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1.
Article in Chinese | WPRIM | ID: wpr-930491

ABSTRACT

Antipyretic-analgesics are currently one of the most prescribed drugs in children.The clinical application of antipyretic-analgesics for children in our country still have irrational phenomenon, which affects the therapeutic effect and even poses hidden dangers to the safety of children.In this paper, suggestions were put forward from the indications, dosage form/route, dosage suitability, pathophysiological characteristics of children with individual differences and drug interactions in the symptomatic treatment of febrile children, so as to provide reference for the general pharmacists when conducting prescription review.

2.
Journal of Clinical Hepatology ; (12): 402-408, 2022.
Article in Chinese | WPRIM | ID: wpr-920894

ABSTRACT

Objective To investigate the risk factors for early-stage complications among liver transplant recipients, and to establish and validate a risk prediction model for early-stage complications after transplantation. Methods A retrospective analysis was performed for the clinical data of 234 patients who underwent orthotopic liver transplantation in Department of Liver Transplantation, Tianjin First Central Hospital, from January 2016 to December 2018. According to the presence or absence of Clavien-Dindo grade ≥Ⅲ complications after liver transplantation, the patients were divided into complication group with 97 patients and non-complication group with 137 patients. The two groups were compared in terms of the indices including age, sex, body mass index (BMI), blood type, psoas muscle thickness/height (PMTH), Controlling Nutritional Status (CONUT) score, Model for End-Stage Liver Disease (MELD) score, total serum bilirubin, serum creatinine, international normalized ratio of prothrombin time, blood urea nitrogen, hemoglobin, white blood cell count, platelet count, amount of intraoperative red blood cell transfusion, amount of frozen plasma transfusion, blood loss, anhepatic phase, time of operation, donor age, donor BMI, cold ischemia time of donor liver, and warm ischemia time of donor liver. The independent samples t -test was used for comparison of normally distributed continuous data between two groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between two groups; the chi-square test was used for comparison of categorical data between two groups. Univariate analysis and the binary logistic regression analysis were used to investigate the risk factors for early-stage complications after liver transplantation, and a risk prediction model for complications after liver transplantation was established based on the method for establishing a scoring system using the logistic model provided by Framingham Research Center. Internal validation of the model was performed by C-index, receiver operating characteristic (ROC) curve, calibration curve, and the Hosmer-Lemeshow test, and the decision curve was used to evaluate the clinical applicability of the model. The Kaplan-Meier method was used to compare the incidence rate of early-stage complications after liver transplantation between the patients with different risk scores. Results Compared with the non-complication group, the complication group had significantly higher MELD score, proportion of patients with low PMTH, total serum bilirubin, serum creatinine, blood urea nitrogen, CONUT score, amount of intraoperative red blood cell transfusion, and amount of frozen plasma transfusion, as well as a significantly lower level of hemoglobin (all P < 0.1). The multivariate binary logistic regression analysis showed that MELD score (odds ratio [ OR ]=1.104, 95% confidence interval [ CI ]: 1.057-1.154, P < 0.05), PMTH ( OR =2.858, 95% CI : 1.451-5.626, P < 0.05), and CONUT score ( OR =1.481, 95% CI : 1.287-1.703, P < 0.05) were independent risk factors for grade ≥Ⅲ complications in the early stage after liver transplantation. MELD score, PMTH, and CONUT score were included in a predictive model, and this model had the highest score of 24 points, a C-index of 0.828, an area under the ROC curve of 0.812( P < 0.001), a sensitivity of 0.792, and a specificity of 0.751, suggesting that this predictive model had good discriminatory ability. The calibration curve of this model was close to the reference curve, and the Hosmer-Lemeshow test obtained a chi-square value of 8.528( P =0.382), suggesting that this predictive model had a high degree of fitting. The decision curve showed that most patients were able to benefit from the predictive model and achieved a high net benefit rate, suggesting that this predictive model had good clinical applicability. The score of 11 was selected as the cut-off value according to the optimal Youden index of 0.507, and the patients were divided into low-risk (< 8 points) group with 55 patients, moderate-risk (8-10 points) group with 63 patients, high-risk (11-14 points) group with 67 patients, and extremely high-risk (≥15 points) group with 49 patients. These four groups had a 90-day cumulative incidence rate of early-stage postoperative complications of 3.6%, 28.6%, 59.7%, and 75.5%, respectively, and the incidence rate of complications increased with the increase in risk score ( P < 0.001). Conclusion MELD score, PMTH, and CONUT score are independent risk factors for early-stage complications among liver transplant recipients, and the risk prediction model established based on these factors has a high predictive value in high-risk patients.

3.
Journal of Clinical Hepatology ; (12): 1081-1085, 2022.
Article in Chinese | WPRIM | ID: wpr-924780

ABSTRACT

Objective To investigate the CT characteristics of hepatitis B cirrhosis, and to predict the risk of bleeding by establishing a predictive model for upper gastrointestinal bleeding in liver cirrhosis. Methods A retrospective analysis was performed for the clinical data of 101 patients with hepatitis B cirrhosis who were admitted to Tianjin First Central Hospital from January 2015 to June 2021, and these patients were divided into upper gastrointestinal bleeding group and non- bleeding group. The two groups were compared in terms of laboratory findings and CT values in plain scan, arterial phase, portal vein phase, and venous phase measured by contrast-enhanced CT, and the changes in CT values (ΔCT) across different phases were calculated. The t -test or the Mann-Whitney U rank sum test was used for comparison of continuous data between two groups, and the chi-square test was used for comparison of categorical data between two groups. Logistic regression analysis was used to predict the related risk factors; The discrimination of the model was evaluated by calculating the area under the working characteristic curve of the subjects, and the model calibration criteria were determined by Hosmer-lemeshow. Based on the results of multivariate logistic regression analysis, Rstudio4.1.2 R package was used to establish a predictive model, and draws the corresponding ROC curve, calibration curve and clinical decision curve. Results There were significant differences in serum TBil, WBC and PLT levels between the non-bleeding group and the bleeding group (all P < 0.05). There were significant differences in liver-plain, spleen-P-plain and spleen-P-A ΔCT(all P < 0.05). The univariate logistic analysis showed that there were significant differences in leukocytes (odds ratio [ OR ]=0.770, 95% confidence interval [ CI ]: 0.624-0.952, P =0.016), platelets ( OR =0.979, 95% CI : 0.965-0.994, P =0.006), liver plain scan ( OR =1.142, 95% CI : 1.058-1.233, P =0.001), ΔCT value of the spleen from portal vein phase to plain scan ( OR =0.979, 95% CI : 0.959-1.000, P =0.050), and ΔCT value of the spleen from portal vein phase to arterial phase ( OR =0.979, 95% CI : 0.944-0.994, P =0.015) between the hepatitis B cirrhosis patients with upper gastrointestinal bleeding and those without bleeding. The multivariate logistic analysis showed that platelets ( OR =0.968, 95% CI : 0.944-0.993, P =0.011), liver plain phase ( OR =1.148, 95% CI : 1.047-1.259, P =0.003), and ΔCT value of the spleen from portal vein phase to arterial phase ( OR =0.951, 95% CI : 0.908-0.995, P =0.030) were independent risk factors for upper gastrointestinal bleeding. A predictive model for upper gastrointestinal bleeding in hepatitis B cirrhosis was established based on the results of the multivariate logistic analysis, and a calibration curve was plotted. This model had an area under the receiver operating characteristic curve of 0.801 at the cut-off value of 0.433, with a sensitivity of 81.4% and a specificity of 77.6%. The calibration curve of the model fitted well with the ideal curve. Conclusion There are special ΔCT changes in hepatitis B cirrhosis, and the predictive model based on ΔCT has a good predictive ability for upper gastrointestinal bleeding in patients with hepatitis B cirrhosis.

4.
China Pharmacy ; (12): 2917-2923, 2021.
Article in Chinese | WPRIM | ID: wpr-906662

ABSTRACT

OBJECTIVE:To standardize the use of children’s over-the-counter(OTC)drugs in China,control the risk of children’s self medication and ensure the safety of children’s medication. METHODS:The questionnaire was randomly distributed to pharmacy practitioners in retail pharmacies in 13/parents in 16 provinces and municipalities directly under the central government. The results of questionnaire survey were analyzed descriptively. The corresponding suggestions were put forward for the problems existing in the use of OTC drugs for children among pharmacy practitioners in retail pharmacies and parents.RESULTS:Totally 5 367 people filled the questionnaire at pharmacies,and 5 353 questionnaires were filled validly with effective rate of 99.74%;the number of consumers(parents)who filled the questionnaires was 6 111,and 5 094 questionnaires were filled validly with effective rate of 83.36%. The results of survey showed that 93.67% of retail pharmacies were equipped with 1-2licensed pharmacists;most of the employees in pharmacies had college degree(46.59%),and their professional knowledge was relatively weak,and only 30.00% of them were very familiar with pharmaceutical professional knowledge. Pharmacy practitioners could provide basic pharmaceutical care,but they were not sensitive to the information of children’s age and weight;only 44.11%of the practitioners would approve the dosage according to the age and weight of the children;98.09% of pharmacies would regularly conduct OTC drugs knowledge training,but they did not pay attention to the knowledge of children related to drug use. About half of the pharmacy practitioners were very clear about the indications,usage and dosage,precautions of OTC drugs forchildren. About 70% of parents did not fully understand the difference between prescription drugs,green OTC drugs and red OTC drugs,and did not know the risk of home OTC treatment;63.06% of parents chose OTC drugs according to their previous experience, and 23.05% of parents relied on drug advertisements to choose OTC drugs; 92.64% of parents would read the drug instruction carefully before using OTC drugs, but they had blind spots in understanding many contents of the drug instruction. In the process of OTC drug use,46.21% of parents had used adult OTC drugs for their children,and 41.54% of parents did not convert the amount of children;52.89% of parents said that their children suffered from adverse reactions after taking OTC drugs. CONCLUSIONS:The pharmacy practitioners have low education on the whole,professional level needs to be improved,their understanding of children’s OTC drugs is not comprehensive enough,and there is a lack oftraining on children’s medication knowledge. Parents have a poor awareness of children’s OTC drugs,and there are many problems in the process of using children’s OTC drugs,such as inaccurate dosage,using adult’s drugs. It is suggested that we should improve the access standard of pharmacy practitioners and increase the number of licensed pharmacists;organize special training on safe drug use for children to improve the pharmaceutical service ability of pharmacies;strengthen the supervision of retail pharmacies and formulate pharmaceutical care standards for the use of OTC drugs for children;strengthen the publicity and education on rational drug use for children and popularize the knowledge of safe drug use of OTC drugs for children;give full play to the guiding role of pharmacists and pay attention to the medication guidance of parents.

5.
Chinese Journal of Lung Cancer ; (12): 372-376, 2021.
Article in Chinese | WPRIM | ID: wpr-880283

ABSTRACT

The echinoderm microtubule associated protein-like 4 (EML4) and anaplastic lymphoma kinase (ALK) were fractured and fused to become EML4-ALK. Most of these EML4-ALK-positive non-small cell lung cancer patients respond well to the ALK inhibitor. Many patients can benefit from drug target therapy for a long time, and some patients can achieve long-term survival of more than 7 years under the optimized treatment mode. This patient has lung adenocarcinoma positive for EML4-ALK fusion gene, but the treatment outcome is obviously different from that of other patients with lung cancer positive for EML4-ALK fusion gene. After the first to third generations of ALK inhibitor targeted therapy and chemotherapy, the disease progresses rapidly, the drug resistance time is short, the survival time is short, and the benefit is limited. The patient received targeted therapy of Crizotinib, Ceritinib and Lorlatinib successively from July 15, 2019, followed by two chemotherapy courses of Bevacizumab combined with Pemetrexed and Carboplatin. The patient died on September 10, 2020, with a survival of 15 months. At the same time, the treatment showed common adverse reactions of ALK inhibitors. This paper analyzed the therapeutic effect and treatment dilemma of this patient, and provided an exploration direction for the treatment of patients with EML4-ALK fusion gene positive lung cancer.
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6.
Article in Chinese | WPRIM | ID: wpr-864629

ABSTRACT

Multidrug-resistant organism infection seriously affects the treatment and prognosis of ICU patients. The prevention and control of multidrug-resistant organism infection in hospital has become a common focus of clinical care and nursing. The effectiveness of chlorhexidine bathing for the prevention of multidrug-resistant organism infection in ICU patients were reviewed, and outcomes of the review would be expected to offer references to nursing practice and play a guiding role in reducing the incidence of multidrug-resistant organism infection, decreasing the cost of infection control, ensuring the safety of patient care.

7.
Article in Chinese | WPRIM | ID: wpr-863235

ABSTRACT

Chloroquine and hydroxychloroquine were primarily used to treat malaria. With continuous research on their mechanism of action, their application range has gradually expanded to treat serious infectious diseases, rheumatic immune diseases, tumors, etc. Chloroquine and hydroxychloroquine are the two most attractive drugs developed in the past 50 years, and their efficacy in the treatment of various non-malaria diseases has been increasingly recognized by researchers. The results of in-depth research show that chloroquine and hydroxychloroquine have antiviral effects against coronavirus, influenza virus and Ebola virus, have significant clinical efficacy in the treatment of rheumatoid diseases such as systemic lupus erythematosus and rheumatoid arthritis, and can enhance the drug sensitivity of tumor cells by combining with classic anticancer drugs. The main adverse reaction of hydroxychloroquine is eye damage, especially retinopathy. Therefore, patients treated with this drug should undergo regular eye examinations. In this review paper, the chemical structure, pharmacokinetics, application status and pharmaceutical care of chloroquine and hydroxychloroquine were summarized. This paper looks forward to providing help for the rational use of these two drugs in the future.

8.
Article in Chinese | WPRIM | ID: wpr-871944

ABSTRACT

Objective:To analyze the relationship and clinical value between serum matrix metalloproteinases-3 (MMP-3) and rheumatoid arthritis (RA).Methods:By using retrospective study to collect 123 patients with RA diagnosed in our hospital from January 2019 to January 2020 as the RA group. Among the patients, there are 25 males and 98 females, the median age is 60 years old. During the same term, 53 healthy people were selected as the control group, with 12 males and 41 females, the median age is 55 years old. MMP-3, erythrocyte sedimentation rate (ESR), high sensitivity C-reactive protein (hs-CRP), rheumatoid facotrs (RF), anti-cyclocitrulline factor (ACCP) in peripheral blood of all subjects were detected. Disease activity score of 28 joints (DAS28) were collected. This research used T test, Spearman correlation analysis and receiver operating characteristic curve (ROC curve) to analyze the relationship between MMP-3 and other clinical biochemical indices, and the efficacy of MMP-3 in the diagnosis of RA.Results:Compared with the control group (26.30±14.83)ng/ml, the levels of serum MMP-3 in the RA group (79.71±123.54) ng/ml had significantly increased ( t=-4.95, P<0.001). The serum concentration of MMP-3 in RA patients was significantly correlated with ESR, hs-CRP and DAS28 ( r value were 0.521, 0.372, 0.405 respectively, P<0.001). The area under the curve (AUC) of MMP-3 to diagnose RA was 0.765, and the sensitivity was 64.44%, and the specificity was 75.76%, cut-off of MMP-3 were 32.50 ng/ml. Conclusions:The levels of serum MMP-3 in the RA group had significantly increased. MMP-3 and the disease activity were highly correlated. MMP-3 can be used as an indicator of RA disease activity, also can significantly improve the diagnostic efficacy, treatment and warning of early RA.

9.
Clinical Medicine of China ; (12): 301-306, 2019.
Article in Chinese | WPRIM | ID: wpr-754302

ABSTRACT

Objective To investigate the effect of vitamin D on platelet reactivity after combined treatment with aspirin and clopidogrel in elderly patients with ischemic stroke??Methods A total of 190 elderly patients with ischemic stroke treated with aspirin and clopidogrel in Beijing Bo′ai Hospital from June 2017 to August 2018 were enrolled in this study??Venous blood was collected for platelet aggregation rate,25?hydroxyvitamin D[25(OH)D] and clinical biochemical indexes during 1~2 weeks??According to 25 (OH) D quartile,the patients were further divided into Q1(≤7??18 μg/L) group ( n=50),Q2: (>7??18-≤9??39 μg/L) group (n=50),Q3: (>9??39-≤13??74 μg/L) group (50),Q4: (>13??74 μg/L) (n=40)??In order to evaluate the effect of calcitriol on platelet aggregation,platelet rich plasma ( PRP) in healthy group (15 cases) and clopidogrel resistance group (15 cases) were treated with calcitriol (10 nmol/L) and saline (37℃ pretreatment for 5 minutes),respectively,and to compare the difference of maximum platelet aggregation rate induced by ADP between the two treatments??Results There were significant differences in ADP? induced maximum platelet aggregation rate ( MPAR) (( 49??36 ± 23??34)%,( 48??80 ± 20??90)%, ( 37??02 ±18??24)%,(36??02± 14??46)%, F= 3??426, P= 0??018) and clopidogrel resistance ( CR)/ clopidogrel sensitive (CS) ratio (30/20,24/26,15/35,10/30,χ2=15??119,P=0??002) among the vitamin D quartiles (increasing)??Moreover, the MPAR and CR showed a decreasing trend with the increase of vitamin D concentration??Logistic regression analysis showed that serum 25( OH) D level was an independent inhibited factor for clopidogrel resistance in elderly patients with ischemic stroke ( Q4 vs Q1, OR=0??699,95%CI 0??582~0??838,P<0??001; Q3 vs Q1,OR=0??848,95%CI 0??755-0??953,P=0??006)??In vitro,compared with physiological saline,the aggregation rates of platelet in healthy group and CR group decreased after calcitriol pretreatment,and the difference was statistically significant ( healthy group: ( 69??8 ± 12??7 )% vs ( 58??6 ±11??5)%,t=12??13,P<0??001;CR group: ( 65??5 ± 8??3)% vs ( 56??3 ± 7??6)%, t=11??48, P <0??001)??Conclusion Vitamin D reduces the high residual platelet reactivity after antiplatelet therapy??Further study is needed to determine whether vitamin D supplementation may improve the efficacy of clopidogrel??

10.
Article in Chinese | WPRIM | ID: wpr-754184

ABSTRACT

Objective To investigate the effect of Early Intervention Denver Model ( Early Start Denver Model,ESDM) on children with autism spectrum disorder( ASD). Methods From May 2017 to April 2018,forty four children aged 2-5 years with ASD were enrolled in the study and were randomly divided into the experimental group(n=20) and the control group (n=20). The experimental group received ESDM rehabilitation intervention and the control group received conventional rehabilitation intervention. Before and 6 months after intervention,all children were assessed by the Psycho-educational Profile-3rd Edition ( PEP-3). Results After 6 months of intervention,the developmental age of cognition (30 (26,34),33(30,44);Z=-3. 728,P<0. 001),imitation (33(29,40),38( 32,43); Z=-2. 010,P=0. 044),expression language (29(23,39),41( 33,50); Z=-3. 923, P<0. 01), receptive language ( 25 ( 20,32),34 ( 28,38); Z=-3. 727,P<0. 01) and fine motor (29(23,41),39(33,47) ;Z=-2. 704,P=0. 007) of the control group were significantly higher than those before intervention. In the experimental group,the developmental age of cognition (25 ( 21,32),37 ( 32,40); Z=-3. 922, P<0. 01),imitation ( 22 ( 17,35),39 ( 38,42); Z= -3. 826,P<0. 01),expression language (30(24,35),47( 37,53); Z=-3. 824,P<0. 01),receptive lan-guage (22(15,32),37(30,43); Z=-3. 924,P<0. 01),fine motor (25(22,33),43(30,52); Z=-3. 924, P<0. 01) and gross motor ( 24(17,38),40(27,43); Z=-3. 523,P<0. 01) were significantly higher than those before intervention. Compared with the control group,the experimental group had significantly greater changes in the five regions:cognition(6(3,10),11(10,20); Z=-2. 821,P=0. 005),expression language (6(4,9),12(7,18); Z=-3. 278,P=0. 001),receptive language(5(3,10),12(7,18); Z=-3. 299,P=0. 001),fine motor (7(1,10),13(10,22); Z=-3. 038,P=0. 002)and gross motor(1(0,10),11(5,16);Z=-2. 568,P=0. 01) of PEP-3 after intervention. Conclusion Both conventional intervention and ESDM intervention can improve the cognitive,expression language,receptive language,imitation and fine motor abili-ty of children with ASD aged from 2 to 5 years,but ESDM intervention is more effective on improving the cog-nitive,language,imitation and fine motor ability of children with ASD.

11.
Chinese Journal of Neonatology ; (6): 427-431, 2018.
Article in Chinese | WPRIM | ID: wpr-699323

ABSTRACT

Objective To study the characteristics of amplitude integrated electroencephalogram (aEEG) in full-term newborns with different blood glucose levels,so as to provide clinical evidence for assessing brain function after hypoglycemia.Method Full-term neonates admitted to the neonatal ward of the Third Xiangya Hospital of Central South University from June 2014 to May 2016 with the initial diagnosis of hypoglycemia were enrolled to hypoglycemia group.According to the lowest level of blood glucose,infants were assigned to three subgroups,severe hypoglycemia group (< 1.1 mmol/L),moderate hypoglycemia group (1.1 ~ <2.2 mmol/L),and mild hypoglycemia group (2.2 ~ <2.8 mmol/L).Time matched asymptomatic term infants,who were admitted to the neonatal ward due to maternal high risks and with normal blood glucose after birth,were enrolled to control group.A 4 h continuous aEEG monitoring was completed for each infant in hypoglycemia group within 12 h after the blood glucose level stabilized.The newborns in control group were given aEEG examination 72 ~ 120 h after birth,the duration of monitoring was also 4 h.The aEEG scoring was completed and compared by rank sum test.Result A total of 83 neonates were enrolled in hypoglycemia group,including 11 with severe hypoglycemia,32 with moderate hypoglycemia,and 40 with mild hypoglycemia.Another 26 neonates with normal blood glucose level were enrolled in control group.The incidence of pregnancy-induced maternal blood glucose elevation was statistically significant among each group (P < 0.05).The duration of neonatal hypoglycemia in severe hypoglycemia group was longer than that in moderate hypoglycemia group and mild hypoglycemia group [38.3 (20.7,50.4) h vs.20.4(15.3,22.6) h,13.7 (7.8,19.4) h] (P< 0.05).The range of glucose level in severe hypoglycemia group was larger than that in mild and moderate hypoglycemia group [5.0 (4.0,5.5) mmol/Lvs.3.5 (3.0,3.9) mmol/L,3.3 (2.8,3.8) mmol/L] (P < 0.05),but there was no significant difference in the onset of first hypoglycemia between groups (P > 0.05).The aEEG score showed that there was significant difference in total score and sleep-wake cycle score between groups (P < 0.05).The score of sleep-wake cycle in severe hypoglycemia group was significantly lower than that in moderate hypoglycemia group or in mild hypoglycemia group or in the control group (P < 0.05),while there was no significant difference between moderate and mild hypoglycemia groups,and between moderate hypoglycemia and control group (P > 0.05).Conclusion Severe hypoglycemia can lead to neonatal aEEG changes,mainly in the sleep-wake cycle changes.

12.
Article in Chinese | WPRIM | ID: wpr-693612

ABSTRACT

In order to form the expert consensus which researched on the comprehensive individualized protocol of Tuina therapy for Knee osteoarthritis, the preliminary protocol was summarized and formed by analyzing the interviews and published paper. And then the expert consensus method was applied for the protocols of Tuina therapy for KOA. After discussions, the consensus of three protocols according to the classification of KOA main symptomes was researched. In the protocols, 75%~80% of the entries were considered as strong recommendation, and the others were weak recommended. Thus, it is believed that the comprehensive protocols for the treatment of KOA with different Tuina manipulations is feasible and reproducible after standardization.

13.
Chinese Journal of Stomatology ; (12): 427-431, 2017.
Article in Chinese | WPRIM | ID: wpr-808969

ABSTRACT

Objective@#To investigate the effect of Wnt3a on osteogenic differentiation of human dental pulp stem cells (DPSC).@*Methods@#DPSCs were subjected to different concentrations of Wnt3a (0, 5, 20, 50 and 100 μg/L) and at seven days after culture the alkaline phosphatase (ALP) activity was tested. Mineralized nodule formation was examined by alizarin red staining. Osteogenic-related gene expression of bone sialoprotein (BSP), osteocalcin (OCN), collagen type Ⅰ (COL-Ⅰ), Runt-related transcription factor-2 (RUNX2) was examined by quantitative real-time PCR (qPCR).@*Results@#After seven days of induction by DPSC, Wnt3a protein could inhibit the ALP activity (concentration 0: 1.076±0.203, 5 μg/L: 0.828±0.118, 20 μg/L: 0.505±0.044, 50 μg/L: 0.499±0.038, 100 μg/L: 0.483±0.060). The expression of OCN in 5 μg/L Wnt3a group (0.092±0.005) was lower than that in culture medium (0.858±0.190)(P<0.05). Alizarin red staining showed that 5 μg/L Wnt3a had no mineralization induction effect on DPSC.@*Conclusions@#Wnt3a could inhibit osteogenic differentiation of dental pulp stem cells.

14.
Article in Chinese | WPRIM | ID: wpr-603453

ABSTRACT

The most radiation exposure for children arises from the medical process, and due to their characteristics such as relatively immature,organ development,they are more sensitive to the radiation than a-dults,and have higher risk of radiation related diseases,so medical radiation exposure should not be ignored.

15.
Tianjin Medical Journal ; (12): 381-384, 2016.
Article in Chinese | WPRIM | ID: wpr-487600

ABSTRACT

Hepatitis B virus (HBV) infection is a worldwide health problem and vertical transmission is the main source of chronic infection in Asian countries. Breakthrough perinatal HBV transmission occurs in 10%-15% of infants born to pregnatal women with high viral load even with appropriate postexposure immunoprophylaxis. Management of chronic hepati?tis B (CHB) during pregnancy remains a challenge, with unique issues that involve prevention of mother-to-child transmis?sion (MTCT) and safe use of antiviral therapy. Previous studies indicate that antiviral therapy with analogs (Lamivudine, Tel?bivudine or Tenofovir) may prevent vertical transmission during late pregnancy in highly viremic mothers. This article sum?marized relevant studies that antiviral therapy in preventing MTCT of hepatitis B virus.

16.
Article in Chinese | WPRIM | ID: wpr-501907

ABSTRACT

Objective To investigate the functions of microRNA-1 43 (miR-1 43)in esophageal cancer cell line ECA1 09.Methods ECA1 09 cells were transfected with negative control (NC),miR-1 43 mimics or miR-1 43 inhibitors.3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT)assay was per-formed to evaluate the growth of ECA1 09 cells after transfection.Annexin V-FITC /PI apoptosis test kit was used to detect early apoptosis rate in ECA1 09 cells.Transwell migration and invasion assays were conducted to compare the migration and invasion capacity of ECA1 09 among different groups.Real-time PCR and Western blotting were used to analyze the mRNA and protein alteration after transfection.Results Three and four days after transfection,compared with NC (absorbance value:0.90 ±0.02 and 1 .09 ±0.07),miR-1 43 mimics inhibited ECA1 09 cell proliferation (absorbance value:0.66 ±0.05 and 0.80 ±0.04),while miR-1 43 inhibi-tors promoted cell proliferation (absorbance value:1 .1 3 ±0.09 and 1 .51 ±0.08),with statistical signifi-cances (F =49.1 6,P =0.000;F =1 00.34,P =0.000).Early-stage apoptosis rates of ECA1 09 transfected with NC,miR-1 43 mimics and miR-1 43 inhibitors were 3.42% ±0.72%,1 1 .63% ±1 .1 5% and 0.94% ± 0.1 0%,respectively,with statistical significance (F =1 51 .61 ,P =0.000).Meanwhile,compared with NC (migration cell number:336 ±1 3,invasion cell number:1 47 ±1 6),miR-1 43 mimics inhibited cell migration (1 48 ±1 6)and invasion (75 ±1 0),while miR-1 43 inhibitors promoted cell migration (51 0 ±1 4)and inva-sion (238 ±1 6),with statistical significances (F =470.99,P =0.000;F =90.04,P =0.000).Compared with NC (1 .00 ±0.00),miR-1 43 mimics down-regulated mRNA (relative expression level 0.22 ±0.08)and protein expression (relative expression level 0.46 ±0.08)of K-ras,whereas miR-1 43 inhibitors up-regulated mRNA (1 .55 ±0.1 2)and protein expression (1 .33 ±0.05)of K-ras (F =1 31 .36,P =0.000;F =88.1 7, P =0.000).Conclusion miR-1 43 functions as a tumor suppressor in esophageal cancer cell line ECA1 09, probably by down-regulating K-ras expression.

17.
Article in Chinese | WPRIM | ID: wpr-494872

ABSTRACT

Objective To evaluate the performance of the MAKER IS1200 automated chemiluminescence analyzer .Methods A series of experiments were designed to evaluate the precision ,reagent open bottle stability ,linearity range and reference interval of the MAKER IS1200 automated chemiluminescence analyzer in 8 items of hepatitis B 5 indexes ,AIDS ,hepatitis C and syphilis ac‐cording to the requirements of CLSI documents ,the detection results were performed the methodological comparison with those de‐tected by Abbott i2000 automated chemiluminescence analyzer .Results Except the total precision of HBEAG low value was slight‐ly higher than 15% of the judgment standard ,other indexes conformed to the requirements ;the open bottle stability of various items of reagent was better ;the quantitative item HBSAB had good linearity within the detection range (r2 >0 .95);in the verification of reference interval ,no outlier was found in each item ;in the methodological comparison ,the other items had good correlation with those detected by the ABBOTT i2000 except anti‐HCV .Conclusion The MAKER IS1200 automated chemiluminescence analyzer has good detection performance and meets the requirements of immunoassay detection in laboratory work .

18.
Article in Chinese | WPRIM | ID: wpr-637635

ABSTRACT

Background Oxidative stress is a main cause of age-related macular degeneration (AMD).Lutein has a preventive role for AMD, but its antioxidant mechanism remains unclear.Objective Present study was to investigate the effect of lutein on oxidative stress of Müller cells and its signaling pathway.Methods Human Müller cells (human Müller cell strain) were cultured, and the cells at logarithmimic growth phase were incubated in 96 well plate overnightly.Oxidative stress cell models were established by adding 160 μmol/L H2O2, a median lethal dose for Müller cells.The models were divided into the model control group and 12.5,25.0,50.0 mg/L lutein groups,and the different concentrations of lutein were used to culture the cells for 24 hours, respectively.The routine cultured cells served as the blank control group.Growth of the cells was assayed by MTT method (absorbancy);the reactive oxygen species (ROS) content in the cells was assayed by flow cytometry;the mRNA and protein levels of nuclear factor-E2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) in the cells were detected by quantitative real-time PCR and Western blot, respectively.Results The inhibitory effects on the cells were gradually enhanced with the increase of H2O2 concentrations,showing a significant difference among the groups (F =43.890,P<0.01).A significant difference was found in apoptotic rate of the cells among the blank control group,model control group and 12.5,25.0,50.0 mg/L lutein groups (F =346.770, P =0.000) , and the apoptosis rate was significant elevated with the increase of lutein dose (all at P<0.05).The ROS contents in the cells were 1.92±0.18,64.89±2.86,52.70±2.80,32.61 ±4.20 and 5.68 ± 1.35 in the blank control group, model control group and 12.5,25.0,50.0 mg/L group, respectively, with significant difference among the groups (F =324.900, P =0.000), and the ROS content was gradually reduced as the increase of lutein dose (all at P<0.05).The relative mRNA and protein expressions of Nrf2 and HO-1 were remarkedly higher in the 12.5,25.0,50.0 mg/L lutein groups than those in the model control group (F =236.960,242.620,186.830,263.120, all at P =0.000) , and no significant difference was seen in the relative expression level of nuclear Nrf2 protein among the groups (F =1.790, P =0.210).Conclusions Lutein can induce the expression of antioxidant enzymes by inducing the expression of nuclear translocation of Nrf2 and consequently inhibit the oxidative stress status.

19.
Article in Chinese | WPRIM | ID: wpr-637606

ABSTRACT

Background Oxidative stress is a pathophysiological process of retina,so it is very important to explore a protective way against retinal oxidative stress.Studies determined that extract of ginkgo biloba (EGb) has antioxidant,anti-apoptosis,anti-thrombosis and anti-inflammatory effects,however,the effect of EGb on human Müller cells in oxidative stress is still below understood.Objective This study was to investigate the protection of EGb against oxidative stress of human retinal Müller cells induced by As2O3 in vitro.Methods Human retinal Müllercell line was cultured in DMEM/F12 with 10% fetal bovine serum (FBS),2 μmol/L glutamine and 1% antibiotics.As2O3 solution at the final concentration 5 mg/L was added in the medium for 24 hours to establish oxidative models,and then the EGb with the final concentrations of 5,10 and 20 mg/L was used to cell models for 24 hours,respectively.Cell viability was detected by MTT assay,and reactive oxygen species (ROS) levels in the cells were detected with CM-H2DCFDA fluorescent probe.The relative expression levels of caspase-3 mRNA in cytoplasm and cell nuclei were assayed by reverse-transcription PCR (RT-PCR),and the expressions of Nrf2 protein were quantitatively detected by Western blot.Results Müller cells adhered well 24 hours after cultured.At 6-7 days after culture,Müller cell body was large with abundant cytoplasm and mosaic-like arrangement.However,floating cells were seen after As2 O3 treatment.Cell viability (absorbance) was significantly different among the normal culture group,As2 O3-treated group,As2 O3 + 5 mg/L EGb group,As2 O3 + 10 mg/L EGb group and As2 O3 + 20 mg/L EGb group,with the strongest viability in the normal culture group and the weakest viability in the As2 O3-treated groups (F=163.57,P =0.00).The fluorescence intensity of ROS was the weakest in the normal culture group and the strongest in the As2 O3-treated group and was gradually weakened with the increase of EGb doses,showing a remarkable difference among the groups (F =4 013.61,P =0.00).The relative expression level of caspase-3 mRNA in the cells was gradually reduced with the increase of EGb doses,with a statistically significant difference among the groups (F =2 199.72,P =0.00).In addition,no considerable difference was seen in the expression level of Nrf2 protein (grey scale) in cytoplasm among the groups (F=15.42,P=0.40);while in the nuclei,the expression levels of Nrf2 protein were 100.01 ±0.04,46.59±0.63,54.51 ±0.62,59.93 ±0.17 and 67.60±0.24 in the normal culture group,As2 O3-treated group and As2O3+5 mg/L EGb group,As2O3+10 mg/L EGb group,As2O3+20 mg/L EGb group respectively,with a significant difference among them (F=7 271.72,P=0.00).Conclusions EGb can protect human retinal Müller cells against As2O3-induced damage in a dose-dependant manner by antioxidant and antiapoptotic effects in vitro,and the activities occur primarily in cell nucleus.

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Chinese Journal of Pathophysiology ; (12): 1345-1351, 2015.
Article in Chinese | WPRIM | ID: wpr-476136

ABSTRACT

[ABSTRACT]AIM:Toexploretheroleofkisspeptin/GPR54signalingpathwayinthepathogenesisofprecocious puberty based on female precocious puberty rat model induced by the single dose of danazol .METHODS:Female SD rats aged 3 d were randomly divided into normal group , vehicle group and model group .On the 5th day, the model rats were given a single subcutaneous injection of danazol with ethanol and ethylene glycol mixture .All rats were executed on 15 d, 25 d, 30 d, 35 d and 40 d, and the samples were collected to observe the sexual organ development .The levels of E2 , FSH and LH in peripheral blood were measured by ELISA .The Kiss-1 mRNA expression of Kiss-1, GPR54 and GnRH in hypothalamus was detected by real-time PCR.The kisspeptin expression in rat hypothalamus was observed by immunofluo-rescence .RESULTS:The time for puberty onset and sexual maturation in the model rats was significantly earlier than that in normal group and vehicle group .On days 25 and 30, the levels of peripheral sex hormones and uterine coefficients in model group were significantly higher than those in normal group and vehicle group .On days 25 and 30, the ovarian mor-phological development in the model rats was significantly earlier than that in normal group .On day 25, the mRNA expres-sion of hypothalamic Kiss-1 and GnRH, and kisspeptin expression of hypothalamic arcuate nucleus in the model rats signifi -cantly increased compared with normal group and vehicle group .On day 30, kisspeptin expression of hypothalamic arcuate nucleus in the model rats decreased compared with normal group and vehicle group .On day 35, the mRNA expression of Kiss-1 and GnRH in the model rats decreased compared with normal group and vehicle group .The mRNA expression of GPR54 had no obvious difference among all groups .CONCLUSION:The Kiss-1 mRNA and kisspeptin expression in the model rats with precocious puberty is significantly increased in the hypothalamus during onset of puberty , suggesting that kisspeptin is an initiating factor for precocious puberty .Kisspeptin/GPR54 signaling pathway may play an important role in the occurrence of precocious puberty .

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