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1.
Arq. bras. med. vet. zootec. (Online) ; 73(4): 791-798, Jul.-Aug. 2021. tab
Article in English | ID: biblio-1285265

ABSTRACT

The Nelore breed is the second largest bovine breed in the world and has actively participated in the expansion of new Brazilian agricultural frontiers. In this context, the purpose of this study was to determine the hematological and biochemical reference intervals of healthy Nelore matrices raised under an extensive regime without supplementation along southwest of Piauí state. Blood samples were collected from fifty-five multiparous female of the Nelore breed. Biochemical and hematological parameters were analyzed using a parametric statistical method with 95% CI of reference limits. The average values of red blood cells, hemoglobin as well as hematimetric indices showed reference ranges similar to reference standards. The hematocrit as well as granulocytes and agranulocytes presented alterations typical of animals raised in environments with higher temperatures. Mineral, enzymatic, protein and metabolic profiles were similar to other bovine breeds but with a narrower range of values. However, lower mean values were observed for levels of ionized calcium, total protein and urea. Nelore females present slightly different biochemical and hematological profiles from other breeds, which might result from the environmental and nutritional management applied and the natural deficiency of nitrogen, phosphorus and calcium in the region's pastures.(AU)


Nelore é a segunda maior raça bovina do mundo e tem participado ativamente da expansão das novas fronteiras agrícolas brasileiras. Nesse contexto, o objetivo do presente estudo foi determinar os intervalos de referência hematológicos e bioquímicos de matrizes Nelore criadas em regime extensivo sem suplementação, ao longo do sudoeste do estado do Piauí. Amostras de sangue foram coletadas de 55 fêmeas multíparas da raça Nelore. Os parâmetros bioquímicos e hematológicos foram analisados por método estatístico paramétrico com IC 95% para os limites de referência. Os valores médios de hemácias, hemoglobina e índices hematimétricos apresentaram intervalos de referência semelhantes aos padrões de referência. Tanto o hematócrito quanto os granulócitos e os agranulócitos apresentaram alterações típicas de animais criados em ambientes com temperaturas mais elevadas. Os perfis mineral, enzimático, proteico e metabólico foram semelhantes aos de outras raças bovinas, mas com uma faixa de valores mais estreita. No entanto, valores médios mais baixos foram observados para os níveis de cálcio ionizado, proteína total e ureia. Fêmeas Nelore apresentam perfis bioquímicos e hematológicos ligeiramente diferentes de outras raças, o que pode resultar dos manejos ambiental e nutricional aplicados e da deficiência natural de nitrogênio, fósforo e cálcio nas pastagens da região.(AU)


Subject(s)
Animals , Female , Cattle , Blood Cell Count/veterinary , Blood Urea Nitrogen , Blood Proteins/analysis , Calcium/blood , Granulocytes , Hematocrit/veterinary , Reference Values , Brazil , Serum , Agranulocytosis/veterinary
2.
Braz. j. med. biol. res ; 54(11): e11295, 2021. tab, graf
Article in English | LILACS | ID: biblio-1339451

ABSTRACT

This study aimed to investigate the diagnostic value of heparin-binding protein (HBP) in the cerebrospinal fluid of children with purulent meningitis (PM). This study included 118 children with PM diagnosed at our hospital from January 2018 to January 2020, 110 children with viral meningitis (VM) and 80 children with suspected meningitis who were ruled out by cerebrospinal fluid (CSF) analysis during the same period. HBP and white blood cell (WBC) count in the CSF, and inflammatory factors, including C-reactive protein (CRP), tumor necrosis factor (TNF)-α, and procalcitonin (PCT), were measured. Receiver-operator characteristic curves were used to analyze the predictive value of HBP, CRP, PCT, and TNF-α levels in the diagnosis of PM by CSF analysis. HBP levels in the CSF of children with PM were higher, while the CRP and serum PCT and TNF-α levels were elevated in all groups (P<0.05). In addition, HBP levels in the CSF were more accurate for the diagnosis of PM than traditional diagnostic indexes. HBP levels in the CSF can be used as an important reference for early diagnosis of PM.


Subject(s)
Humans , Child , Meningitis, Bacterial/diagnosis , Meningitis, Viral , C-Reactive Protein , Blood Proteins , Antimicrobial Cationic Peptides , Procalcitonin
3.
Article in English | WPRIM | ID: wpr-810960

ABSTRACT

BACKGROUND: We aimed to investigate whether various immune-related plasma proteins, alone or in combination with conventional clinical risk factors, can predict spontaneous preterm delivery (SPTD) and intra-amniotic infection in women with premature cervical dilation or a short cervix (≤ 25 mm).METHODS: This retrospective study included 80 asymptomatic women with premature cervical dilation (n = 50) or a short cervix (n = 30), who underwent amniocentesis at 17–29 weeks. Amniotic fluid (AF) was cultured, and maternal plasma was assayed for interleukin (IL)-6, matrix metalloproteinase (MMP)-9, tissue inhibitor of metalloproteinases (TIMP)-1, and complements C3a and C5a, using enzyme-linked immunosorbent assay (ELISA) kits. The primary outcome measures were SPTD at < 32 weeks and positive AF cultures.RESULTS: The plasma levels of IL-6, C3a, and C5a, but not of MMP-9 and TIMP-1, were significantly higher in women with SPTD at < 32 weeks than in those who delivered at ≥ 32 weeks. The women who delivered at < 32 weeks had more advanced cervical dilatation, and higher rates of antibiotic and tocolytic administration and were less likely to be given vaginal progesterone than those who delivered at ≥ 32 weeks. Using a stepwise regression analysis, a combined prediction model was developed, which included the plasma IL-6 and C3a levels, and cervical dilatation (area under the curve [AUC], 0.901). The AUC for this model was significantly greater than that for any single variable included in the predictive model. In the univariate analysis, plasma IL-6 level was the only significant predictor of intra-amniotic infection.CONCLUSION: In women with premature cervical dilation or a short cervix, maternal plasma IL-6, C3a, and C5a levels could be useful non-invasive predictors of SPTD at < 32 weeks. A combination of these biomarkers and conventional clinical factors may clearly improve the predictability for SPTD, as compared with the biomarkers alone. An increased plasma level of IL-6 predicted intra-amniotic infection.


Subject(s)
Amniocentesis , Amniotic Fluid , Area Under Curve , Biomarkers , Blood Proteins , Cervix Uteri , Complement System Proteins , Enzyme-Linked Immunosorbent Assay , Female , Humans , Interleukin-6 , Interleukins , Labor Stage, First , Outcome Assessment, Health Care , Plasma , Pregnancy , Progesterone , Retrospective Studies , Risk Factors , Tissue Inhibitor of Metalloproteinase-1 , Tissue Inhibitor of Metalloproteinases
4.
Rev. nefrol. diál. traspl ; 39(2): 93-100, jun. 2019. ilus.; gráf.
Article in Spanish | LILACS | ID: biblio-1352684

ABSTRACT

Introducción: Las interferencias en el proteinograma electroforético por electroforesis capilar incluyen la aparición de picos con concentraciones y movilidades electroforéticas, que podrían simular la presencia de un componente monoclonal. Objetivos: Ante la aparición de un pico adicional con movilidad intera2-ß por electroforesis capilar (Minicap®-Sebia), el objetivo fue identificar el interferente y evaluar su relación con la funcionalidad renal. Material y métodos: Se estudiaron muestras de suero que presentaron dicha interferencia en un período de un año mediante proteinograma en soporte sólido, electroinmunofijación e inmunoelectroforesis. Se adicionó in vitro el probable interferente para confirmar su movilidad electroforética. Se evaluó el impacto de la corrección de la interferencia con la herramienta "eliminación de artefactos" (Phoresis®-Sebia) y la correlación de la concentración del pico a línea de base del interferente con la estimación de la tasa de filtrado glomerular (CKD- EPI). Resultados: La integración a la línea de base de los picos fue de 0,07-0,36 g/dL. No se observaron particularidades al realizar los estudios complementarios. Se evidenció, en todos los casos, la administración de iopamidol como medio de contraste, confirmándose su movilidad electroforética por su adición in vitro. Mediante la herramienta "eliminación de artefactos" se recuperaron los niveles basales de las fracciones. Se demostró la existencia de una correlación entre la concentración del pico a línea de base del interferente y la estimación de la tasa de filtración glomerular por CKD-EPI (r=-0.534, p<0.0001). Conclusiones: Se identificó al interferente como Iopamidol y se demostró su relación con la disminución de la tasa de filtración glomerular


Introduction: Interferences in the electrophoretic proteinogram by capillary electrophoresis include the appearance of peaks with concentrations and electrophoretic mobilities, which could simulate the presence of a monoclonal component. Objectives: In the light of an additional peak with interα2-ß mobility by capillary electrophoresis (MINICAP®-Sebia), the aim was to identify the interferent and evaluate its connection to renal functionality. Methods: Serum samples that presented this interference over a period of one year were studied by proteinogram on solid support, electroimmunofixation and immunoelectrophoresis. The probable interferent was added in vitro to confirm its electrophoretic mobility. The impact of the interference correction with the "artifact removal" tool (Phoresis®-Sebia) and the correlation of the baseline peak concentration of the interferent with the estimation of the glomerular filtration rate (CKD-EPI) were evaluated. Results: The integration to the baseline of the peaks was 0.07-0.36 g/dL. No particularities were observed when performing the complementary studies. In all cases, the administration of Iopamidol as a contrast medium was demonstrated, confirming its electrophoretic mobility due to its in vitro addition. Using the "artifact removal" tool, the basal levels of the fractions were recovered. The existence of a correlation between the concentration of the baseline peak of the interferent and the estimation of the glomerular filtration rate by CKD-EPI was shown (r=-0.534, p <0.0001). Conclusions: The interferent was identified as Iopamidol and its connection to the decrease in the glomerular filtration rate was demonstrated


Subject(s)
Humans , Iopamidol , Blood Proteins , Electrophoresis, Capillary , Contrast Media , Immunoelectrophoresis , Serum/drug effects , Glomerular Filtration Barrier
5.
Article in Chinese | WPRIM | ID: wpr-774533

ABSTRACT

To determine the plasma protein binding rate of the nine compounds in Inula cappa extraction by the method of equilibrium dialysis. The proteins in plasma samples were precipitated by methanol, and the ultra-performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) was developed for determination of the concentrations of the nine active compounds, namely chlorogenic acid, scopolin, neochlorogenic acid, cryptochlorogenic acid, 1,3-O-dicaffeoylquinic acid, galuteolin, 3,4-O-dicaffeoylquinic acid, 3,5-O-dicaffeoylquinic acid, 4,5-O-dicaffeoylquinic acid, with the internal standard of puerarin. We found that all components have a good linearity(r≥0.999), and accuracy, precision, extraction recovery and stability conformed to the requirements of determination, without endogenous compounds disturbing within the range of optimum concentration. This suggested that the method was stable and reliable, and could be used for the determination of the plasma protein binding rates of the nine active compounds in rat and human plasma of I. cappa. The plasma protein binding rates of the nine active compounds in rat and human plasma respectively were(41.07±0.046)%-(94.95±0.008)%, and(37.66±0.043)%-(97.46±0.013)%. According to the results, there were differences in the plasma protein binding rates of the nine compounds in I. cappa extraction between rat and human.


Subject(s)
Animals , Blood Proteins , Metabolism , Chromatography, High Pressure Liquid , Humans , Inula , Chemistry , Phytochemicals , Metabolism , Plant Extracts , Metabolism , Protein Binding , Rats , Reproducibility of Results , Tandem Mass Spectrometry
6.
Article in Chinese | WPRIM | ID: wpr-773148

ABSTRACT

To study the binding capacity of active ingredients of Daidai lipid-lowering flavonoid extract and plasma protein,investigate the ways to improve the traditional formula for calculating protein binding rates based on ultrafiltration,and increase the stability and reliability of the experimental results. UPLC-MS/MS was used to establish a quantitative analysis method for simultaneous determination of active ingredients( neohesperidin and narngin) in ultrafiltrate. The protein binding rates were calculated by the traditional ultrafiltration formula. The correction factors( F) were introduced later,and the binding rates calculated with the correction factors were compared with those without the correction factors. The binding capacity of the extract and plasma protein was evaluated. The quantitative analysis method established by UPLC-MS/MS had a good specificity. The standard curve and linear range,method accuracy,precision and lower limit of quantitation all met the requirements. The method met the requirement for quantitative detection of the active ingredients in ultrafiltrate after the rat plasma was filtrated in the ultrafiltration tube. Under the experimental conditions,the binding rates of both active ingredients( neohesperidin and narngin) were higher than 90%. The active ingredients and rat plasma protein were bound in a concentration-dependent manner,with statistically significant differences( P<0. 01). There was no statistically significant difference between the protein binding abilities of the two active ingredients with rat plasma protein. Therefore,the active ingredients of Daidai lipid-lowering flavonoid extract had a relatively strong binding strength with rat plasma protein,and they were bound in a concentration-dependent manner. Additionally,when calculating protein binding rates by the traditional ultrafiltration formula,the correction factors could be introduced to effectively reflect the errors of multiple ingredient groups in traditional Chinese medicine extracts.This correction method could provide a reference thinking and practical reference for the improvement of the determination method of the traditional Chinese medicine plasma protein binding ability based on ultrafiltration.


Subject(s)
Animals , Blood Proteins , Chromatography, High Pressure Liquid , Drugs, Chinese Herbal , Pharmacology , Flavonoids , Pharmacology , Hypolipidemic Agents , Pharmacology , Lipids , Rats , Reproducibility of Results , Tandem Mass Spectrometry
8.
Arq. bras. cardiol ; 111(1): 39-47, July 2018. tab, graf
Article in English | LILACS | ID: biblio-950193

ABSTRACT

Abstract Background: Cardiac cachexia is an important predictive factor of the reduction in survival of patients with heart failure with reduced ejection fraction. Objectives: The aims of the present study were to evaluate adropin and irisin levels in cachectic and non-cachectic subjects and the relationships between the levels of these proteins and clinical and laboratory parameters in patients with HFrEF. Methods: The clinical records of patients who were admitted to the cardiology outpatient clinic for heart failure with reduced ejection fraction were screened. Cachectic patients were identified and assigned to the study group (n = 44, mean age, 65.4 ± 11.2 y; 61.4% men). Heart failure with reduced ejection fraction patients without weight loss were enrolled as the control group (n = 42, mean age, 61.0 ± 16.5 y; 64.3% men). The serum adropin and irisin levels of all patients were measured. A p-value < 0.05 was considered significant. Results: Serum adropin and irisin levels were significantly higher in the cachexia group than in the controls (Adropin (ng/L); 286.1 (231.3-404.0) vs 213.7 (203.1-251.3); p < 0.001, Irisin (µg/mL); 2.6 (2.2-4.4) vs 2.1 (1.8-2.4); p = 0.001). Serum adropin and irisin levels were positively correlated with brain natriuretic peptide (BNP) levels and New York Heart Association (NYHA) class and negatively correlated with body mass index (BMI) and serum albumin levels (all p values: < 0.001). In a multivariate analysis, adropin was the only independent predictor of cachexia in the heart failure with reduced ejection fraction patients (OR: 1.021; 95% CI: 1.004−1.038; p = 0.017). Conclusions: The results suggest that adropin and irisin may be novel markers of cardiac cachexia in heart failure with reduced ejection fraction patients. Adropin and irisin are related with the severity of heart failure.


Resumo Fundamento: A caquexia cardíaca é um importante preditor de redução de sobrevida em pacientes com insuficiência cardíaca com fração de ejeção reduzida (ICFER). O objetivo deste estudo foi avaliar os níveis de adropina e irisina em pacientes com ICFER caquéticos e não caquéticos, assim como a relação entre os níveis dessas proteínas e os parâmetros clínicos e laboratoriais nesses pacientes. Objetivos: Os objetivos do presente estudo foram avaliar os níveis de adropina e irisina em indivíduos caquéticos e não caquéticos e as relações entre os níveis dessas proteínas e os parâmetros clínicos e laboratoriais em pacientes com ICFEN. Métodos: Os prontuários de pacientes atendidos no ambulatório de cardiologia para ICFER foram triados. Aqueles com ICFER caquéticos foram identificados e constituíram o grupo de estudo (n = 44; idade média, 65,4 ± 11,2 anos; 61,4% de homens). Aqueles com ICFER e sem perda de peso foram arrolados como grupo controle (n = 42; idade média, 61,0 ± 16,5 anos; 64,3% de homens). Os níveis séricos de adropina e irisina de todos os pacientes foram medidos. Considerou-se significativo um p-valor < 0,05. Resultados: Os níveis séricos de adropina e irisina foram significativamente mais altos nos pacientes caquéticos do que nos controles [adropina (ng/l): 286,1 (231,3-404,0) vs 213,7 (203,1-251,3); p < 0,001; irisina (µg/ml): 2,6 (2,2-4,4) vs 2,1 (1,8-2,4); p = 0,001]. Os níveis séricos de adropina e irisina correlacionaram-se positivamente com os níveis de peptídeo natriurético cerebral (BNP) e a classe funcional da New York Heart Association (NYHA), e negativamente com o índice de massa corporal (IMC) e os níveis séricos de albumina (todos os p-valores: < 0,001). Na análise multivariada, a adropina foi o único preditor independente de caquexia nos pacientes com ICFER (OR: 1,021; IC 95%: 1,004−1,038; p = 0,017). Conclusões: Os resultados sugerem que a adropina e a irisina possam ser novos marcadores de caquexia cardíaca em pacientes com ICFER. Adropina e irisina estão relacionadas com a gravidade da insuficiência cardíaca.


Subject(s)
Humans , Female , Middle Aged , Aged , Peptides/blood , Cachexia/blood , Fibronectins/blood , Ventricular Dysfunction, Left/blood , Heart Failure/blood , Cachexia/etiology , Blood Proteins , Biomarkers/blood , Case-Control Studies , Ventricular Dysfunction, Left/complications , Intercellular Signaling Peptides and Proteins , Heart Failure/complications
9.
Article in Chinese | WPRIM | ID: wpr-775272

ABSTRACT

OBJECTIVE@#To screening coagulation and anticoagulation genes and mutations in Chinese patients with venous thromboembolism suspected of inhered thrombophilia.@*METHODS@#Patients with venous thromboembolism caused by inherited thrombophilia were collected from the second Affiliated Hospital, Zhejiang University School of Medicine during June 2015 and December 2017. Gene sequencing was conducted to screen the anticoagulant-related genes and coagulation-related genes . The thousands of human genome database, ESP6500 database, Genoma database, HGMD mutation database were used to compare the mutation sites, and the pathogenic mutation sites were predicted according to SIFT, Polyphen, MutationTaster and CADD databases.@*RESULTS@#Among 25 patients screened, eight patients with mutations, two patients with mutations, three patients with mutations; one patient with mutation, one patient with mutation, one patient with mutation, two patient with mutations, and one patient with mutation.@*CONCLUSIONS@#The second generation gene sequencing helps to diagnose inherited thrombophilia and guide the decision of anticoagulation duration.


Subject(s)
Blood Proteins , Genetics , China , Genome, Human , Genetics , Humans , Mutation , Thrombophilia , Diagnosis , Genetics
10.
Arq. bras. med. vet. zootec. (Online) ; 70(3): 1013-1016, maio-jun. 2018. tab, graf
Article in Portuguese | ID: biblio-912063

ABSTRACT

The aim was to study pregnant cervus in captivity, to obtain body morphometric data, serum progesterone concentrations, and pH of the vagina. Females of cervus (Cervus unicolor), (n=8) between 2 and 3 years old were used in November during breeding season. After sedation, in one collection, the following was measured: body weight 54.50 ± 18.70kg, body length 1.21 ± 0.16m, height at withers 0.75 ± 0.08m, thoracic perimeter 0.84 ± 0.12m, and body mass index 97.32 ± 10.50kg / m2. After sedation, blood samples were collected to measure progesterone concentration by radioimmunoassay and the use of an indicator tape to obtain the pH of the vagina was performed eight times at four day intervals in the eight females, in a total of 64 samples for each exam. Data were analyzed, and significance was at 5%. There were no differences (P> 0.05) between measurements for serum progesterone concentrations and pH of the vagina. The correlations between body weight, progesterone, pH, and body mass index were not significant (P> 0.05). There was no significant oscillation of progesterone concentration and pH of the vagina in the pregnancy period studied.(AU)


Subject(s)
Animals , Blood Proteins/analysis , Deer/anatomy & histology , Progesterone/analysis , Endocrinology , Hydrogen-Ion Concentration
11.
Braz. j. microbiol ; 49(supl.1): 213-219, 2018. tab, graf
Article in English | LILACS | ID: biblio-974341

ABSTRACT

ABSTRACT Background: Cerebrospinal fluid bacterial culture is the gold-standard for confirmation of acute bacterial meningitis, but many cases are not culture confirmed. Antibiotics reduce the chance of a microbiological diagnosis. Objective to evaluate efficacy of Heparin-binding protein in diagnosis of bacterial meningitis. Patients: 30 patients diagnosed with acute bacterial meningitis, 30 viral meningitis, and 30 subjects with normal CSF findings. Design: Diagnosis was based on history, clinical criteria, CSF examination, latex agglutination & culture, and sensitivities and response to therapy. HBP was measured using enzyme-linked immunosorbent technique in both serum & CSF. Results: Cerebrospinal fluid HBP levels averaged 0.82 ± 0.3 ng/mL in controls, 3.3 ± 1.7 ng/mL in viral and 174.8 ± 46.7 ng/mL in bacterial meningitis. Mean serum level was 0.84 ± 0.3 ng/mL in the controls, 3.7 ± 1.9 ng/mL in viral, and 192.2 ± 56.6 ng/mL in bacterial meningitis. Both HBP levels were significantly higher in patients with bacterial meningitis. Cut-offs of 56.7 ng/ml and 45.3 ng/ml in cerebrospinal fluid & serum showed 100% overall accuracy. Even in patients who received prior antibiotics, remained elevated. Conclusion: Serum Heparin-binding protein serves as a non-invasive potential marker of acute bacterial meningitis even in partially treated cases.


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Child , Adolescent , Adult , Young Adult , Blood Proteins/cerebrospinal fluid , Heparin/metabolism , Carrier Proteins/cerebrospinal fluid , Carrier Proteins/blood , Meningitis, Bacterial/diagnosis , Antimicrobial Cationic Peptides/cerebrospinal fluid , Antimicrobial Cationic Peptides/blood , Biomarkers/cerebrospinal fluid , Biomarkers/blood , Cross-Sectional Studies , Meningitis, Bacterial/cerebrospinal fluid , Meningitis, Bacterial/microbiology , Meningitis, Bacterial/blood , Middle Aged
12.
Acta bioquím. clín. latinoam ; 51(2): 203-212, jun. 2017. graf, tab
Article in Spanish | LILACS | ID: biblio-886113

ABSTRACT

Las vitaminas (Vit.) C, E y A, junto al zinc (Zn++) y cobre (Cu++) colaboran en la prevención de las comorbilidades asociadas a la obesidad. El objetivo del trabajo fue evaluar las concentraciones séricas (Cs) de Vit. C, E y A, así como las del Zn++ y Cu++ en púberes con exceso de peso (EP) y resistencia a la insulina (RI). El estudio fue descriptivo, correlacional, de campo y transversal. Las variables se compararon entre los púberes normopeso (NP)/sin RI y quienes tenían EP (con y sin RI). Se emplearon las pruebas de Pearson y Spearman, test de Student, U de Mann-Whitney, Kruskal-Wallis y el estadístico Z. Los adolescentes con EP/RI presentaron Cs de Zn++ menores que aquellos con EP/sin RI, y que el grupo control (p=0,010), siendo probablemente la RI lo que define esta disminución ya que el Zn++ fue similar entre los púberes con y sin EP. El 12,0% de los sujetos con EP/RI presentaron la relación Vit. E/Colesterol Total (CT)< 2,25 mmol/mol, comparados con el 4,8% y 8,0% observado en los adolescentes con EP/sin RI y los controles, respectivamente (p=0,012). Los adolescentes con EP/ RI evidenciaron una menor protección antioxidante y Cs de Zn++ inferiores al resto de los grupos evaluados.


Vitamins (Vit.) C, E and A, together with zinc (Zn++) and copper (Cu++) play an important role in the prevention of comorbidities associated with obesity. The objective of this work was to evaluate serum concentrations (Sc) of Vit. C, E and A, and those of Zn++ and Cu++ in a pubertal overweight (OW) and insulin-resistant (IR) population. The study was descriptive, correlational and cross-sectional. Variables were compared between the normalweight pubescent population, non-IR and those OW (IR or non-IR). Correlations between variables were assessed using Pearson and Spearman tests, the Student t test, Mann-Whitney U test, Kruskal-Wallis test and the statistical Z. OW and IR adolescents presented lower Zn++ than those OW non-IR, and the control group (p=0.010). Probably it is being IR what defines this decrease since the Zn++ was similar in the pubertal population with and without OW. In the OW and RI group of adolescents, there was a frequency of alterations in vit. E/CT (<2.25 mmol/mol) of 12.0%, compared to 4.8% and 8.0% in OW and non-IR and control adolescents, respectively (p=0.012) OW and IR adolescents showed a lower antioxidant protection and lower Zn++ than other groups evaluated.


As vitaminas (Vit.) C, E e A, em conjunto com zinco (Zn++) e Cobre (Cu++) desempenham um papel importante na prevenção de comorbidades associadas à obesidade. O objetivo do trabalho foi avaliar as concentrações séricas (Cs) de Vit. C, E e A, bem como as de Zn++ e de Cu++ em púberes com excesso de peso (EP) e resistência à insulina (RI). O estudo foi descritivo, correlacional, de campo e transversal. As variáveis foram comparadas entre os púberes normopeso (NP)/sem RI e aqueles que tinham EP (com e sem RI). Foram utilizados os testes de Pearson e Spearman, teste de Student, U de Mann- Whitney, Kruskal-Wallis e o estatístico Z. Adolescentes com EP/RI apresentaram Cs de Zn++ menores do que aqueles com EP/sem RI, e que o grupo controle (p=0,010), sendo provavelmente a RI o que define esta diminuição, visto que o Zn++ foi similar entre os púberes com e sem EP. 12,0% de sujeitos com EP/RI apresentaram a relação Vit. E/Colesterol Total (CT) <2,25 mmol/mol, comparados com 4,8% e 8,0% observado nos adolescentes com EP/sem RI e os controles, respectivamente (p=0,012). Adolescentes com EP e RI mostraram menor proteção antioxidante e Cs de Zn++ inferiores ao resto dos grupos avaliados.


Subject(s)
Humans , Male , Female , Adolescent , Insulin Resistance , Blood Proteins/analysis , Obesity , Ascorbic Acid , Vitamin A , Vitamin E , Zinc
13.
Acta bioquím. clín. latinoam ; 51(2): 177-181, jun. 2017. graf, tab
Article in Spanish | LILACS | ID: biblio-886110

ABSTRACT

El objetivo del presente trabajo fue la estimación del intervalo de referencia para los componentes del complemento C3 y C4 en población adulta hospitalaria. Se siguieron los lineamientos de la guía C28A3 de CLSI para lo cual se eligió como población de referencia a dadores de sangre concurrentes al Servicio de Hemoterapia del hospital que superaron el interrogatorio médico y accedieron a la extracción. Fue seleccionada una muestra de 251 dadores constituida por 72,9% de mujeres, de edad promedio 36,5±10 años y 27,1% de hombres, de edad promedio 40,6±11,5 años. Esta composición estuvo balanceada por sexo y edad promedio a la población de pacientes que asisten al laboratorio, en su mayoría con diagnóstico presuntivo de enfermedades autoinmunes. Los analitos fueron dosados por nefelometría cinética con nefelómetro Immage 800 de Beckman Coulter (California, EE.UU.). El intervalo de referencia se calculó por el método no paramétrico, es decir, se estimó el intervalo de confianza del 95% central de cada distribución de valores. Los límites obtenidos fueron: IC95% C3=70-165 mg/dL IC95%, C4=14-37 mg/dL. Estos resultados fueron posteriormente verificados con una serie de 20 nuevos dadores y fueron comparables a valores obtenidos en otras series citadas en la literatura.


The aim of this study was to estimate the reference interval for the components C3 and C4 complement in an adult population. The guidelines of the C28A3 document CLSI were followed, for which blood donors attending to a hospital blood centre who passed the medical examination and agreed to extraction were chosen as reference population. A sample constituted by 251 donors, 72.9% women, average age 36.5±10 years and 27.1% men, average age 40.6±11.5 years was selected. This composition was balanced by gender and average age to the population of patients attending the laboratory, mostly with autoimmune diseases. The analytes were measured by rate nephelometry with Immage 800 Nephelometer, Beckman Coulter (California, USA). The reference range for the non-parametric method was calculated, this is to say, the 95% central confidence interval of each value distribution was estimated. The limits obtained were: 95% CI C3=70-165 mg/dL and 95% CI C4=14-37 mg/dL. These results were later verified with a series of 20 new donors and are comparable to values obtained in other studies cited in the literature.


O objetivo deste estudo foi estimar o intervalo de referência para os componentes do complemento C3 e C4 na população adulta hospitalar. Foram seguidos os lineamentos do guia C28A3 de CLSI para o qual foi escolhida como população de referência doadores de sangue concorrentes do Serviço de Hemoterapia do hospital que passaram o questionário médico e acederam à extração. Foi selecionada uma amostra constituída por 251 doadores, 72,9% mulheres, com idade média de 36,5±10 anos e 27,1% dos homens de idade média 40,6±11,5 anos. Esta composição esteve equilibrada por sexo e idade média de pacientes que são atendidos no laboratório, na maioria com diagnóstico presuntivo de doenças autoimunes. Os analitos foram dosados por nefelometria cinética com nefelômetro Immage 800, Beckman Coulter (Califórnia, EUA). Calculou-se o intervalo de referência pelo método não paramétrico, quer dizer, estimou-se o intervalo de confiança de 95% central de cada distribuição de valores. Os limites obtidos foram: IC95% C3= 70-165 mg/dL e IC95% C4= 14-37 mg/dL. Estes resultados foram posteriormente verificados com uma série de 20 novos doadores e foram comparáveis a valores obtidos em outras séries citadas na literatura.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Complement C3/analysis , Complement C4 , Blood Proteins/analysis , Argentina , Reference Values , Complement C3
15.
Arq. bras. med. vet. zootec ; 69(2): 405-408, mar.-abr. 2017. tab
Article in English | ID: biblio-833838

ABSTRACT

Protein electrophoresis is a relatively simple technique that allows separating serum protein fractions, and provides important information in the investigation and diagnosis of several diseases. This study determined the levels of acute-phase proteins in the serum of healthy, captive emus (Dromaius novaehollandiae). Animals were divided into two groups (n=11 in each) based on age, with 1-year-old and 4-year-old emus. Acute-phase proteins were separated by SDS-PAGE. Ceruloplasmin, transferrin, albumin, haptoglobin, acidic glycoprotein, IgA, and IgG were detected in the serum of all animals. Protein profiles varied significantly with age (P<0.05). Individuals in the 4-year-old emus group had higher values of ceruloplasmin, transferrin, albumin, haptoglobin, and acidic glycoprotein, compared with the group with 1-year-old animals, showing the role of age in the protein profile of this species. Reference values for acute-phase proteins in healthy emus may be useful in the evaluation of health status and in the diagnosis of diseases affecting the species.(AU)


A eletroforese de proteínas é um método relativamente simples, que permite a separação das proteínas do plasma em frações. Sua interpretação fornece informações importantes para a investigação e o diagnóstico de inúmeras doenças. O objetivo deste estudo foi o de determinar a concentração das proteínas de fase aguda no soro de emus (Dromaius novaehollandiae) hígidos e criados em cativeiro. As aves foram separadas em dois grupos: grupo 1: (n=11), aves com um ano de idade; grupo 2: (n=11), aves com quatro anos de idade. As proteínas de fase aguda foram separadas por eletroforese em gel de poliacrilamida (SDS-PAGE). Identificaram-se as proteínas ceruloplasmina, transferrina, albumina, IgG, haptoglobina, glicoproteína ácida, IgA e IgG no soro de todos os emus. Houve diferença (P<0.05) entre os traçados eletroforéticos em função da faixa etária. As aves do grupo 2 apresentaram valores superiores de ceruloplasmina, transferrina, albumina, haptoglobina e glicoproteína ácida quando comparadas às aves do grupo 1. Conclui-se que o perfil eletroforético de emus sofre alterações conforme a idade analisada. O estabelecimento de valores de referência para as proteínas de fase aguda de emus hígidos poderá auxiliar estudos futuros na avaliação da saúde assim como no diagnóstico de doenças em emus.(AU)


Subject(s)
Animals , Acute-Phase Proteins/analysis , Acute-Phase Reaction/veterinary , Blood Protein Electrophoresis/veterinary , Blood Proteins/analysis , Dromaiidae , Electrophoresis, Polyacrylamide Gel/veterinary
16.
Pesqui. vet. bras ; 37(1): 17-22, jan. 2017. tab., graf.
Article in Portuguese | ID: biblio-837444

ABSTRACT

Este estudo avaliou o status do cálcio sérico em 39 vacas com deslocamento de abomaso (DA), provenientes de 30 propriedades leiteiras selecionadas, na região de Campos Gerais no Paraná. O diagnóstico do deslocamento de abomaso foi realizado por percussão auscultatória, além dos sinais clínicos e informações da anamnese. Previamente ao procedimento cirúrgico, amostras de sangue foram coletadas para a mensuração dos níveis sanguíneos de cálcio, albumina, proteína e glicose. Como grupo controle, amostras de sangue foram coletadas de vacas hígidas que se encontravam em semelhante período de lactação. Das 39 vacas com deslocamento de abomaso, 35 apresentaram hipocalcemia e no grupo controle, apenas um animal. Concentrações sanguíneas de glicose e proteína foram inferiores nos animais com DA, quando comparados com animais do grupo controle.(AU)


This study evaluated the status of serum calcium in 39 Holstein cows with displacement of the abomasum (DA), from 30 dairy farms selected in the region of Campos Gerais, Paraná state, Brazil.. The diagnosis of abomasal displacement was performed by auscultation and percussion, besides the clinical signs and history information. Before surgery, blood samples were collected to measure blood levels of calcium, albumin, protein and glucose. As a control group, blood samples were collected from healthy cows that were in similar period of lactation. Of the 39 cows with abomasal displacement, 35 had hypocalcemia and in the control group only one cow. Blood glucose and protein concentrations were lower in the animals with DA when compared with the control group.(AU)


Subject(s)
Animals , Cattle , Abomasum/pathology , Calcium/analysis , Calcium/blood , Hypocalcemia/blood , Hypocalcemia/veterinary , Blood Glucose/analysis , Blood Proteins/analysis
17.
Article in Chinese | WPRIM | ID: wpr-297241

ABSTRACT

Malnutrition is commonly seen in children with chronic liver diseases, and there are interactions between them. Chronic liver diseases can cause malnutrition and this can affect the prognosis of children with chronic liver diseases. Due to the complexity of nutritional assessment in children with chronic liver diseases, there are still no unified standards for the diagnosis of malnutrition. Early identification of malnutrition and related intervention helps to improve the prognosis of children with chronic liver diseases. This article reviews the features of nutrition in children with chronic liver diseases and related nutritional assessment methods.


Subject(s)
Blood Proteins , Child , Chronic Disease , Creatinine , Urine , Humans , Liver Diseases , Metabolism , Nutrition Assessment , Skinfold Thickness
18.
Rev. fac. cienc. méd. (Impr.) ; 13(2): 9-18, ju.-dic. 2016. graf, tab
Article in Spanish | LILACS | ID: biblio-833543

ABSTRACT

Un banco de sangre es el ente encargado de la obtención de unidades sanguíneas: sangre total, eritrocitos,plasma, plaquetas, crioprecipitado; mantenimiento (tamizaje y refrigeración) y distribución, cuando es intrahospitalario además de estas funciones, abastece las salas de hospitalización que soliciten estos insumos. Objetivo: describir las principales fuentes de obtención de unidades sanguíneas, diferimiento, prevalencia de enfermedades transmisibles por vía transfusional, uso y descarte de hemoderivados Material y Métodos: estudio descriptivo, retrospectivo, transversal. Se analizaron los registros de la base de datos del Banco de Sangre del Hospital Escuela Universitario, año 2014, se identificó número y tipo de donantes, causas de diferimiento, donantes que presentaron reactividad en el tamizaje, componentes sanguíneos descartados y transfundidos y unidades de origen extrahospitalario. Resultados: la información fue conformada por 22 124 registros de donantes potenciales, 99.6% donantes de reposición y 0.4% donantes voluntarios; de estos se rechazó 3 724(16.8%) por incumplir los requisitos de donación. Se tamizaron 18 400 unidades: seroprevalencia para anti-core hepatitis B de 1.76%, Chagas 1.15%, T. Pallidum 1.1%, VIH 0.5%, Hepatitis C 0.4%, HBsAg 0.3%, HTLV I/II 0.3%. Se descartaron 14 745 unidades: plasma 75%, glóbulos rojos 9.9%, unidades seropositivas 6.9% y otros 8%. Se transfundieron 38 594 unidades: glóbulos rojos 43%, plasma fresco congelado 26%, plaquetas 18% y otros 13%. Se transfundieron adicionalmente 3,803 unidades provenientes de la Cruz Roja Hondureña: plaquetas 57%, plasma 27%, crioprecipitado 15%, otros 0.55%; otras instituciones proveyeron 698 unidades plaquetas 36%, plasma fresco congelado 21%, crioprecipitado 21% y otros 12%. Conclusiones: se observó una deficiente cantidad de donantes voluntarios, las unidades sanguíneas se obtienen principalmente de donantes de reposición, desconociendo la causa de la mayoría de diferimientos. Las prevalencias encontradas son coherentes con las establecidas por la OMS; el hemoderivado más descartado es el plasma, siendo proporcionalmente mayor a las cifras de la OMS, el hemoderivado más trasfundidos son glóbulos rojos que comparado con datos del Instituto Nacional de Salud colombiano es proporcionalmente menor. Las unidades transfundidas provenientes de otras instituciones muestran una reducción significativa y se destaca el alto grado de autonomía alcanzado...(AU)


Subject(s)
Humans , Blood Banks/supply & distribution , Blood Proteins/administration & dosage , Blood Specimen Collection/methods , Blood-Derivative Drugs , Recovery Room/supply & distribution
19.
Acta bioquím. clín. latinoam ; 50(4): 623-627, dic. 2016. tab
Article in Spanish | LILACS | ID: biblio-837634

ABSTRACT

El objetivo del trabajo fue evaluar el estado nutricional mediante diferentes parámetros bioquímicos en 17 pacientes adultos de ambos sexos, con cáncer de cabeza y cuello, seleccionados y asistidos en el Instituto Oncológico A. Roffo al inicio del tratamiento. Las muestras de sangre fueron recolectadas en ayunas y sobre el suero separado por centrifugación se determinaron las siguientes fracciones proteicas: transtiretina (TTR), transferrina (Transf), fracciones de complemento C3 y C4 (C3c, C4c), ceruloplasmina (Cp), haptoglobina (Hp), proteína C reactiva (PCR), por inmunodifusión radial cuantitativa en placas (Binding Site, Reino Unido; Diffu-Plate, Biocientífica SA, Argentina); la concentración de IL-4 fue determinada por el método de Elisa y se evaluó el estado antioxidante total (TAS) (Kit RANDOX, Reino Unido). Sobre el 58% de los pacientes (n=10) se analizó el perfil de ácidos grasos por cromatografía gaseosa. Los ácidos oleico, linoleico, araquidónico (AA), α-linolénico, eicosapentaenoico (EPA) y docosahexaenoico (DHA) fueron identificados por el tiempo de retención y calculados como porcentaje del total de los ácidos grasos. Los resultados fueron expresados como X±DE y comparados con valores obtenidos en individuos sanos (VR). Los resultados muestran una disminución en los niveles séricos de TTR, C3c, Transf, e IL4 con aumento concomitante de Cp y Hp con respecto a los VR; estos resultados indican un comprometido estado nutricional e inflamatorio. También se observa un estado antioxidante total deprimido y disminución en la concentración de ácidos grasos esenciales (ω3 y ω6). El análisis global de estos hallazgos demuestra la importancia de la evaluación nutricional temprana y periódica de estos pacientes; esto permitiría realizar una valoración precoz de la necesidad de un apropiado tratamiento nutricional específico.


The aim of the study was to evaluate the nutritional status of 17 patients suffering from head and neck cancer, who attended Angel Roffo Institute of Oncology, at the beginning of the specific treatment, through the use of biochemical parameters. Blood samples were collected from fasting patients. Specific serum protein fractions transthyretin (TTR), transferrin (Transf), C3 and C4 complement fractions (C3c,C4c); ceruloplasmin (Cp), haptoglobin (Hp) and C-reactive protein (RCP) were measured by single radial immunodiffusion technique on agar gel layers (Binding Site, UK; Diffu-Plate, Biocientífica SA, Argentina). The level of IL-4 was determined by Elisa method and total antioxidant status (TAS) by Randox Kit (UK). On 58% of patients (n=10) the fatty acid profile was analyzed. Results expressed as X±SD were compared with reference values performed in a group of healthy individuals. Data showed lower TTR, C3c, Transferrin and IL-4 together with higher Cp and Haptoglobin sera levels than reference values. The results pointed out to a depressed nutritional status and inflammation. Also, diminishment in the total antioxidant status and in essential fatty acids ω3 and ω6 was observed. These findings showed the importance of an early and periodic nutritional evaluation that could help to perform an adequate nutritional support concomitant with the specific treatment.


O objetivo do trabalho foi avaliar o estado nutricional através de diferentes parâmetros bioquímicos em 17 pacientes adultos de ambos os sexos, com câncer de cabeça e pescoço, selecionados e assistidos, no Instituto Oncológico A. Roffo, no início do tratamento. As amostras de sangue foram coletadas em jejum e sobre o soro separado por centrifugação foram determinadas as seguintes frações proteicas: transtirretina (TTR), transferrina (Transf), frações de complemento C3 e C4 (C3c, C4c), ceruloplasmina (Cp), haptoglobina (Hp), proteína C reativa (PCR), por imunodifusão radial quantitativa em placas (Binding Site, Reino Unido; Diffu-Plate, Biocientífica SA, Argentina); a concentração de IL-4 foi determinada pelo método de Elisa e se avaliou o estado antioxidante total (TAS) (Kit RANDOX, Reino Unido). Sobre 58% dos pacientes (n=10) foi analisado o perfil de ácidos graxos por cromatografia gasosa. Os ácidos oleico, linoleico, araquidônico (AA), α-linolênico, eicosapentaenoico (EPA) e docosahexaenoico (DHA) foram identificados pelo tempo de retenção e calculados como percentual do total dos ácidos graxos. Os resultados foram expressos como X±DE e comparados com valores obtidos em indivíduos saudáveis (VR). Os resultados mostram uma diminuição nos níveis séricos de TTR, C3c, Transf, e IL4 com aumento concomitante de Cp e Hp com relação aos VR; estes resultados indicam um comprometido estado nutricional e inflamatório. Também se observa um estado antioxidante total deprimido e diminuição na concentração de ácidos graxos essenciais (ω3 e ω6). A análise global destes achados demonstra a importância da avaliação nutricional precoce e periódica destes pacientes; isto permitiria realizar uma avaliação precoce da necessidade de um adequado tratamento nutricional específico.


Subject(s)
Humans , Blood Proteins , Nutrition Assessment , Interleukin-4 , Reference Parameters , Fatty Acids , Head and Neck Neoplasms/complications , Antioxidants , Biochemical Phenomena , Observational Study
20.
Pesqui. vet. bras ; 36(8): 781-786, Aug. 2016. graf
Article in Portuguese | ID: lil-797995

ABSTRACT

O estudo das interações orgânicas da gestação e as mudanças fisiológicas que estão ocorrendo nesta fase são de extrema importância para a avaliação clínica da fêmea gestante ou para estabelecer o diagnóstico de processos patológicos em andamento. O objetivo do presente estudo foi comparar o perfil das diversas proteínas sanguíneas (frações protéicas do soro - albumina, a1, a2, b, g globulinas e proteína total) durante o período gestacional e no diestro em cadelas. Foram utilizadas 40 fêmeas caninas da raça Dogue Alemão, em idade variando entre 2 a 7 anos, clinicamente saudáveis. Os animais foram separados em dois grupos, denominados Grupo não gestante (NG) e Grupo gestante (G), constituídos por 20 fêmeas em diestro e 20 fêmeas gestantes, respectivamente. Preconizou-se colheita de sangue semanalmente de cada animal durante 9 semanas. Nas fêmeas do grupo NG, as amostras foram colhidas a partir do início do diestro, até a detecção do início do anestro; no grupo G, as amostras foram colhidas do início do diestro até o momento da parição. A partir do soro sanguíneo, foram determinadas as concentrações de proteína total, albumina, a1, a2, b e g globulinas. Não houve diferença significativa quanto aos resultados de proteína sérica total entre a 1ª e 6ª semanas de gestação e diestro, havendo decréscimo gradual em ambos grupos. Já ao final da gestação (entre a 7ª e 9ª semanas), houve acréscimo significativo dos valores de proteína total, sugerindo ação anabólica. Os níveis de albumina sofreram queda da 1ª a 9ª semana, tanto no grupo gestante, como não-gestante, com diferença estatística entre os dois grupos na 7ª, 8ª e 9ª semanas. As concentrações de α1 globulina nas fêmeas gestantes sofreram acréscimo significativo a partir da 2ª semana, contudo, diferença estatística entre os grupos NG e G ocorreu somente na 8ª e 9ª semanas, coincidindo com a fase de preparação à parição. Houve aumento no perfil de α2 globulina entre a 2ª e 3ª semanas de gestação, porém tais valores não diferiram das fêmeas em diestro. Diferença significativa de α2 globulina foi observada apenas durante a 4ª, 5ª, 6ª, 8ª e 9ª semanas entre os dois grupos avaliados. As concentrações séricas de ß globulina nas cadelas não-gestantes foi superior às das fêmeas gestantes durante a 2ª, 4ª e 7ª semanas. Durante o primeiro terço da gestação (1ª a 3ª semana), foi observado queda dos valores de γ globulina, coincidente ao período pré implantacional e durante a formação dos sítios de implantação. Entre a 8ª e 9ª semanas de gestação, houve acréscimo significativo de γ globulina, possivelmente conseqüente ao aumento da produção de imunoglobulinas direcionadas à glândula mamária, como constituinte do colostro. Em conclusão, as proteínas alteram-se de forma evidente durante o período de gestação. Foi possível inferir diferenças nas funções biológicas das proteínas sanguíneas em cadelas gestantes e não gestantes. As proteínas determinadas estão envolvidas com o estímulo inflamatório durante a gestação, além dos mecanismos de regulação hormonal e preparação do organismo materno à lactação.(AU)


The study of the organic interaction and physiological adaptations during pregnancy is of utmost importance for clinical evaluation and diagnosis of pathological conditions of pregnant bitches. The aim of the present study was to compare the serum protein profile (total protein, albumin, a1, a2, b and g globulin) of pregnant and diestrous bitches. For this purpose, 40 healthy 2 to7-year-old Great Dane bitches were used. The bitches were allocated in two experimental groups: Non-pregnant group (NP; n=20) and pregnant group (P; n=20). From each female, blood was drawn weekly during 9 weeks, from the diestrous onset until the beginning of anestrus or parturition, respectively from NP and P groups. The concentration of total protein, albumin and a1, a2, b and g globulins were determined from serum samples. No statistical difference was found for total protein between 1st and 6th weeks of pregnancy or diestrus. In both groups, there was a progressive decline in total protein concentration. At the end of pregnancy (7th to 9th week), a significant increase in total protein was verified, suggesting an anabolic process. Albumin concentration decreased between the 1st and 9th week in both groups, however, more markedly in the P group (with significant difference between groups at 7th, 8th and 9th week). The levels of α1 globulin in pregnant bitches increased significantly from the 2nd week on. Statistical difference was observed between groups only at the 8th and 9th week, during which a preparatory phase for parturition occurs. A significant rise in α2 globulin was shown between the 2nd and 3rd week of gestation, however without difference from the NP group. There was significant difference for α2 globulin between groups at the 4th, 5th, 6th, 8th and 9th week. Serum concentration of b globulin in diestrous bitches was superior than pregnant bitches at the 2nd, 4th and 7th week. During early gestation (1st to 3rd week) there was a decrease in g globulin, simultaneously to the preimplantation period and formation of implantation sites. An increase in g globulin was shown between the 8th and 9th week in pregnant bitches, possibly due to the increase in immunoglobulin synthesis targeting the mammary gland to form the colostrum. In conclusion, markedly changes in protein profile occur during gestation. It was possible to state different biological function of blood proteins in pregnant and diestrous bitches. The determined proteins are enrolled in the inflammatory stimulus during gestation, as well as in the hormonal regulatory mechanisms and maternal preparatory process to lactation.(AU)


Subject(s)
Animals , Female , Pregnancy , Dogs , Albumins/analysis , Blood Proteins/analysis , Diestrus , Globulins/analysis , Pregnancy/physiology , Physiological Phenomena
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