Influencing factors of adult thyroid volume in Lanzhou City / 中华地方病学杂志

Objective:To investigate the thyroid volume of adults in Lanzhou City, and analyze its influencing factors.Methods:In June 2016, according to the principle of multi-stage stratified cluster sampling, Han residents aged 18 and above in Chengguan, Xigu and Qilihe districts of Lanzhou City who had lived there for more than 5 years were selected as research subjects, and a portable B-ultrasound machine was used for thyroid examination. Morning urine samples of the subjects were collected to test urinary iodine; fasting venous blood samples of the subjects were collected to test serum thyroid stimulating hormone (TSH), thyroid peroxidase antibody (TPOAb), anti-thyroglobulin antibody (TgAb), blood lipids [triglycerides (TG), total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein (HDL)] and blood uric acid (Ua) levels. At the same time, body indexes systolic blood pressure (SP), diastolic blood pressure (DP), waist circumference, height and weight were measured, and the body mass index (BMI) was calculated. Multiple linear regression was used to analyze the influencing factors of thyroid volume.Results:A total of 1 009 subjects were included, aged (43.50 ± 15.16) years, and the thyroid volume was (8.74 ± 3.39) ml. Among them, 534 males had a thyroid volume of (9.46 ± 3.43) ml; 475 females had a thyroid volume of (7.93 ± 3.15) ml, the thyroid volume of males was larger than that of females ( t = 7.36, P < 0.01). Thyroid volume was positively correlated with age, height, weight, BMI, SP, waist circumference, LDL, Ua and TgAb ( r = 0.07, 0.23, 0.33, 0.27, 0.10, 0.27, 0.10, 0.08, 0.07, P < 0.05), and it was negatively correlated with thyroid nodules, TPOAb, TSH and urinary iodine ( r = - 0.16, - 0.07, - 0.10, - 0.08, P < 0.05). After multiple linear regression analysis, TSH, TPOAb, TgAb and thyroid nodules were included in the regression equation, and the standardized B values were - 0.135, - 0.065, 0.123 and - 0.197, respectively. Conclusions:The thyroid volume of males is larger than that of females in Lanzhou City. TSH, TPOAb, TgAb and thyroid nodules are influencing factors of thyroid volume.

Research Progress on the Mechanism of Tubulin in Megakaryopoiesis and Regulation of Platelet Count--Review / 中国实验血液学杂志

Tubulin affects platelets count through the control of mitosis and the formation of pro-platelets during the maturation of megakaryoblast to platelets. Tubulin is involved in maintaining the integrity of platelet skeleton, and also participates in the change of platelet morphology during platelet activation. Some new anti-tumor drugs targeting cell mitosis are trying to reduce the effect on tubulin in order to reduce the side effect of drugs on platelet formation. In some patients with thrombocytopenia, the variation and polymorphism of the tubulin gene affect the structure of microtubule multimers, which leads to the decrease of platelet formation. This review summarized the latest progresses of tubulin in the regulation of megakaryopoiesis and thrombopoiesis.

Expression and role of anti-oxidative damage factors in the placenta of preterm infants with premature rupture of membranes / 中国当代儿科杂志

OBJECTIVES@#To study the association of the anti-oxidative damage factors nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), and NAD(P)H:quinone oxidoreductase-1 (NQO1) with preterm premature rupture of membranes (PPROM).@*METHODS@#A prospective study was conducted. The neonates who were hospitalized in Yanbian Hospital from 2019 to 2020 were enrolled as subjects, among whom there were 30 infants with PPROM, 32 infants with term premature rupture of membranes (TPROM), and 35 full-term infants without premature rupture of membranes (PROM). Hematoxylin and eosin staining was used to observe the inflammatory changes of placental tissue. Immunohistochemical staining was used to measure the expression of Nrf2, HO-1, and NQO1 in placental tissue. Western blot was used to measure the protein expression levels of Nrf2, HO-1, and NQO1 in placental tissue.@*RESULTS@#Compared with the PPROM group, the TPROM group and the non-PROM full-term group had significantly higher positive expression rates and relative protein expression levels of Nrf2, HO-1, and NQO1 in placental tissue (P<0.05). There were no significant differences in the positive expression rates and relative protein expression levels of Nrf2, HO-1, and NQO1 in placental tissue between the TPROM and non-PROM full-term groups (P>0.05).@*CONCLUSIONS@#The low expression levels of Nrf2, HO-1, and NQO1 in placental tissue may be associated with PPROM, suggesting that anti-oxidative damage is one of the directions to prevent PPROM.

Diagnosis and treatment of an elderly patient with gallbladder abdominal wall fistula / 中华消化外科杂志

Gallbladder abdominal wall fistula is usually due to the acute cholecystitis with-out timely treatment, which leads the formation of abscess around the gallbladder, the gallbladder adhering to the abdominal wall and the abscess infiltrating into the skin to form a spontaneous abdominal wall fistula. Patient with gallbladder abdominal wall fistula may have the symptoms of cholecystolithiasis and acute cholecystitis. Ultrasound examination can detect the situation of gallbladder conveniently, including the internal echo after formation of abscess, the connection between the gallbladder and abdominal cavity, and the blood flow signal, to clarify the diagnosis for the subsequent treatment. The authors share the diagnosis and treatment experiences of an elderly patient with gallbladder abdominal wall fistula.

Regulation of Wenjingtang on HIF-1α Expression and Mitochondrial Function of Ectopic Endometrial Stromal Cells in Patients with Endometriosis / 中国实验方剂学杂志

ObjectiveThis study investigated the mechanism of Wenjingtang in the prevention and treatment of endometriosis （EMT） from the perspective of regulating hypoxia stress and mitochondrial function. MethodPrimary human endometrial stromal cells （ESCs） form ectopic endometrial tissues were isolated and cultured， the cells were divided into control group （Control）， 5% control serum group （5% KBXQ）， 10% control serum group （10% KBXQ）， 5% Wenjingtang serum group （5% WJTXQ） and 10% Wenjingtang serum group （10% WJTXQ）. ESCs in different groups were detected for proliferation by methyl thiazolyl tetrazolium （MTT） assay， mRNA and protein expression of hypoxia inducible factor-1α （HIF-1α） by real-time fluorescent quantitative polymerase chain reaction （Real-time PCR） and Western blot analysis， mitochondrial ultrastructure by transmission electron microscope， mitochondrial function ［mitochondrial membrane potential， mitochondrial membrane potential（MMP） and cytochrome C（Cyt C） content］ and apoptosis （cell membrane permeability， nuclear fluorescence intensity， nuclear size and cell counts） by high content screening （HCS） assay， apoptosis rate by flow cytometry， and proteins of B-cell lymphoma-2 （Bcl-2） associated X （Bax）， Bcl-2 and cleaved cysteinyl aspartate specific proteinase-3 （cleaved Caspase-3） by Western blot. ResultCompared with Control group， the 5% KBXQ and 10% KBXQ groups showed increased cell viability （P<0.01）， there was no significant change in HIF-1α mRNA and protein expression， transmission electron microscopy showed that the mitochondrial cristae were obvious and the inner and outer membranes of mitochondria were clear， HCS multichannel fluorescence staining showed that there were no significant changes in the expression of MMP， Cyt C and cell membrane permeability， and the nuclei showed uniform light staining， there were no significant changes in apoptosis rate， cleaved Caspase-3 protein expression and Bax/Bcl-2 ratio. Compared with Control group and corresponding concentration KBXQ group， the 5% WJTXQ and 10% WJTXQ group showed decreased cell viability （P<0.01） and HIF-1α mRNA and protein levels （P<0.05，P<0.01）， the ultrastructure of mitochondria was destroyed， some mitochondria were swollen and the cristae were blurred， moreover， decreased MMP and up-regulated Cyt C release （P<0.05，P<0.01）， increased cell membrane permeability （P<0.01）， and apoptosis characteristics included nuclear pyknosis， DNA agglutination in nucleus and decrease of cell numbers were observed （P<0.05，P<0.01）， increased apoptosis rate （P<0.01）， which was consistent with the results of HCS analysis， and up-regulated expression levels of cleaved Caspase-3 protein and Bax/Bcl-2 ratio （P<0.05，P<0.01）. ConclusionIn conclusion， the results suggest that Wenjingtang can improve hypoxia stress via down-regulating HIF-1α expression in ectopic ESCs， and inhibit cell proliferation， reduce mitochondrial biological activity and induce apoptosis， which might be the internal mechanism of Wenjingtang in preventing and treating EMT.

Neuroprotective Effect and Mechanisms of Notoginsenosides：A Review / 中国实验方剂学杂志

Notoginsenosides， the saponins extracted from Panax notoginseng， have many pharmacological effects， such as anti-inflammation， anti-oxidation， anti-tumor， nervous system and cardiovascular system protection， microcirculation improvement and calcium overload inhibition. At present， notoginsenosides are widely used clinically for treating many diseases with good efficacy， especially for nervous system diseases such as stroke， stroke sequelae and Alzheimer's disease. In recent years， the mechanism underlying their neuroprotective effect has been continuously explored. To advance the applied research on notoginsenosides in the prevention and treatment of central nervous system diseases， this paper， combined with the latest reports， summarizes their neuroprotective effect and mechanisms in terms of regulating voltage-gated ion channels， protecting nerve cells and neurovascular unit， inhibiting oxidative stress and inflammatory reaction， promoting angiogenesis and reducing excitatory neurotoxicity. Although the protective mechanism of notoginsenosides for the nervous system mainly involves the above several aspects， some of them still remain to be fully elucidated， which necessitates the further exploration of neuroprotective effect of notoginsenosides with molecular biology， metabolomics， proteomics and other technologies.

New Progress in Mechanism of Salviae Miltiorrhizae Radix et Rhizoma in Treatment of Diabetes and Its Complications / 中国实验方剂学杂志

Diabetes is a worldwide public health problem that seriously threats human health. Long-term metabolic disorders， as the main cause of multi-system complications and death in the later stage of diabetes， can cause multi-system damage， leading to chronic progressive lesions in the eyes， kidneys， nerves， heart， blood vessels and other tissues and organs， as well as functional decline and failure. The low risk of side effects and new treatment strategies remain an area to be explored in clinical treatment of diabetes. Salviae Miltiorrhizae Radix et Rhizoma （SM） is one of the commonly used herbs in traditional Chinese medicine （TCM）， with the main effect of activating blood circulation and removing blood stasis. In recent years， it has been found that SM shows good performance in lowering blood sugar and treating diabetes complications. Data mining information has also shown that the drugs of activating blood circulation and removing blood stasis are now common drugs in clinical treatment of diabetes， and SM has the highest use frequency， with significant curative effect. In addition， TCM is a kind of treatment with composite components and multiple targets， and so people are increasingly interested in its effective components and carry out extensive researches. This article summarized the experimental verification of SM extract and its components （tanshinone A， tanshinone B， tanshinone ⅡA， tanshinone I， protocatechuic aldehyde， polysaccharide， and total polyphenol acid） in various diabetes models in improving glucolipid metabolism， improving heart function in patients with diabetes， alleviating the motor and sensory deficits caused by diabetes， preventing the occurence of the diabetic retinopathy， recovery of liver and kidney structure and function damage in diabetic patients， and helping to resist high sugar-induced atrophic cavitation potential. It may inhibit hyperglycemia-induced vascular injury with polyol pathway activation， reduce the formation of advanced glycation end products， inhibit protein kinase C pathway activation and hexosamine pathway activation， and alleviate oxidative stress caused by excessive production of peroxides in mitochondrial electron transport chain during hyperglycemia to play a role of treatment， and provide reference for clinical application.

Chemical Constituents and Pharmacological Effects of Paeoniae Radix Rubra： A Review / 中国实验方剂学杂志

Paeoniae Radix Rubra is a traditional Chinese medicine commonly used in clinical practice， it is mostly wild and widely distributed in different areas of China. In addition， the plant of Paeoniae Radix Rubra also has ornamental value. Modern phytochemical researches showed that the chemical constituents of Paeoniae Radix Rubra were complex. Up to now， more than 300 chemical constituents have been found， mainly including monoterpene glycosides， triterpenoids， flavonoids， tannins， phenolic acids， saccharides， steroids， volatile oils and so on. Among them， the content of monoterpene glycosides was the highest， and the types of volatile oil were the most. Paeoniae Radix Rubra has a wide range of pharmacological effects， exerting different curative effects in multiple systems such as blood， cardiovascular， nervous and digestive system. It can protect myocardial cells and nerve cells， stabilize microcirculation， anti-endotoxin， anti-atherosclerosis， reduce pulmonary hypertension， anti-depression， protect liver， anti-gastric ulcer， anti-tumor， slow down aging， treat Parkinson's syndrome and diabetes and its complications， anti-radiation， anti-inflammatory， anti-virus and so on. Through reviewing the literature on chemical constituents and pharmacological effects of Paeoniae Radix Rubra， it was found that total glycosides and monomers such as paeoniflorin， albiflorin， benzoylpaeoniflorin and gallic acid may be the main active components of Paeoniae Radix Rubra. At present， the research on Paeoniae Radix Rubra mainly focused on monoterpene glycosides， while the research on flavonoids and volatile oil in Paeoniae Radix Rubra was less. It is suggested that research on these two components should be strengthened in the future.

Effect and Mechanism of Shaofu Zhuyutang on Endothelial Injury of Rats with Cold Coagulation and Blood Stasis Syndrome Based on Nrf2/ARE Signaling Pathway / 中国实验方剂学杂志

Objective:To observe the effect of Shaofu Zhuyutang on nuclear factor erythroid-2-related factor 2 （Nrf2） /antioxidant response element （ARE） signaling pathway in blood vessels by establishing the model of rats with cold coagulation and blood stasis syndrome， and to explore the protective effect and mechanism of Shaofu Zhuyutang on vascular endothelial injury. Method:The 50 SPF rats were randomly divided into high dose group （4.8 g·kg-1）， middle dose group （2.4 g·kg-1）， low dose group （1.2 g·kg-1）， model group and normal group （ten of each group）. The rat model of cold coagulation and blood stasis syndrome was established by subcutaneous injection of epinephrine hydrochloride combined with ice bath. At the same time of modeling， the drug was administered by gavage. After 28 days of continuous administration， the hemorheology indexes were detected by automatic hemorheology instrument. Levels of nitric oxide （NO）， endothelin （ET）-1， superoxide dismutase （SOD）， glutathione （GSH-Px）， intercellular adhesion molecule-1（ICAM-1）， vascular cell adhesion molecule-1（VCAM-1）， von Willebrand factor （vWF） in serum were determined by ELISA. Hematoxylin and eosin （HE） staining was used to observe the endothelial injury of vascular tissue of thoracic aorta. The protein expression of Nrf2 and HO-1 in vascular tissue of thoracic aorta was detected by Western blot. Real-time fluorescence quantitative polymerase chain reaction（Real-time PCR）was used to observe the expression of Nrf2 and heme oxygenase-1 （HO-1） mRNA in vascular tissue of thoracic aorta. Result:Compared with the blank group， model group rats whole blood viscosity and plasma viscosity were significantly increased （P<0.05，P<0.01）， vWF， ICAM 1， VCAM 1 content increased significantly （P<0.01）， NO， SOD， gsh-px levels decreased significantly （P<0.01）， significantly increased the content of ET-1（P<0.01）， thoracic aorta vascular tissue Nrf2， HO-1 mRNA expression was significantly increased （P<0.01）， Nrf2 protein expression in the cell nucleus increased significantly （P<0.05）， The protein expression level of Nrf2 in cytoplasm was significantly decreased （P<0.05）， while the protein expression level of HO-1 was significantly increased （P<0.01）. Compared with model group， the whole blood viscosity （high and middle cut）， plasma viscosity， were significantly reduced in high and meduim-dose Shaofu Zhuyutang groups（P<0.05，P<0.01）. The levels of vWF， ICAM-1， VCAM-1 and ET-1 in serum were significantly reduced （P<0.05，P<0.01）， NO， SOD and GSH-Px increased significantly （P<0.05，P<0.01）. The pathological changes such as hyperplasia， swelling and shedding of endothelial cells of thoracic aorta， rupture of internal elastic membrane and disorder of smooth muscle arrangement were improved. The expression levels of Nrf2， HO-1 protein and gene were significantly increased in vascular tissue of thoracic aorta （P<0.01）. Conclusion:Shaofu Zhuyutang has a protective effect on vascular endothelial injury in rats with cold coagulation and blood stasis syndrome. The mechanism of action is related to the activation of Nrf2/ARE signaling pathway， which leading to the increased expression of antioxidant enzymes and decreased the expression of adhesion factors.

Prognostic Factors and Predictive Value of MRD before Consolidation Therapy in Middle-risk Newly Diagnosed Young and Middle-aged Patients with AML / 中国实验血液学杂志

OBJECTIVE@#To explore the prognostic factors of young and middle-aged patients with acute myeloid leukemia (AML) and the predictive value of minimal residual disease (MRD) before consolidation therapy.@*METHODS@#The clinical data of 262 middle-risk young and middle-aged patients with AML treated in our hospital from January 2010 to December 2018 were selected retrospectively. All the patients were reached morphological leukemia-free state (MLFS) after induction chemotherapy, the overall and subgroup clinical data of the selected patients were analyzed. Cox regression model was used to evaluate the independent prognostic factors of middle-risk newly diagnosed young and middle-aged patients.@*RESULTS@#Among the patients less than 40 years old treated by consolidation therapy with PR-CT and allo-HSCT regimens, the 5-year cumulative leukemia-free survival(LFS) rates were 40.92% and 63.51%（P=0.01）respectively, while those over 40 years old were 23.61% and 49.14%（P=0.00）, respectively. The 5-year cumulative LFS rates of the patients treated by chemotherapy and achieved early remission and late remission were 63.51% and 41.33% （P=0.01）, respectively. The 5-year cumulative overall survival(OS) rates of the patients treated by PR-CT and allo-HSCT regimens were 23.65% and 69.32% (P=0.00), respectively, and the 5-year cumulative LFS rates were 26.44% and 52.30% (P=0.01). Among the patients treated by PR-CT consolidation treatment, the MRD-negative and MRD-positive cases were 74 and 60 cases, respectively. The 5-year cumulative incidence of relapse rate in the MRD-negative subgroup was significantly lower than those in the MRD-positive subgroup (P<0.05), the 5-year LFS rate and OS rate of the patients in MRD-negative subgroup were significantly higher than those in MRD-positive subgroup (P<0.05). For the patients treated by allo-HSCT consolidation treatment, the MRD-negative and MRD-positive cases were 66 and 62 cases, respectively. The 5-year cumulative incidence of relapse rate of the patients in MRD-negative subgroup was significantly lower than those in MRD-positive subgroup（P<0.05）, and the 5-year LFS and OS rates of the patients in MRD-negative subgroup were significantly higher than those in MRD-positive subgroup (P<0.05). The univariate analysis results showed that age, chromosome karyotype, MRD status after reaching MLFS, and consolidation treatment regime were all related to the prognosis of patients (P<0.05). The multivariate analysis results showed that age, MRD status after reaching MLFS, and consolidation therapy were the independent factors affecting the cumulative OS rate of the patients (P<0.05). Chromosome karyotype was an independent factor affecting the cumulative LFS rate of the patients (P<0.05). MRD status and consolidation treatment plan after reaching MLFS were the independent factors affecting the cumulative recurrence rate of the patients (P<0.05).@*CONCLUSION@#The OS rate of middle-risk young and middle-aged patients with newly diagnosed AML is independently related to age, MRD status after MLFS and consolidation therapy, while chromosome karyotype is independently related to cumulative LFS, and allo-HSCT consolidation therapy is recommended for middle-risk young and middle-aged AML patients after induction chemotherapy for MLFS, especially for those less than 40 years old and MRD positive before consolidation therapy.

Correlation study on non-volatile ingredients of Menthae Haplocalycis Herba formula granules and traditional herbal pieces by UPLC-MS/MS / 中国中药杂志

To establish the method for determining non-volatile ingredients of neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, caffeic acid, isochlorogenic acid A, rosmarinic acid, ferulic acid, rutin, luteoloside, isoquercitrin, hesperidin, diosmin, diosmetin, luteolin, acacetin and linarin in Menthae Haplocalycis Herba formula granules and traditional herbal pieces by UPLC-MS/MS, and analyze the correlation of non-volatile ingredients in Menthae Haplocalycis Herba formula granules and traditional herbal pieces. Shim-pack GIST C_(18) column(2.1 mm×100 mm, 2 μm) was adopted with acetonitrile-0.1% formic acid aqueous solution as the mobile phase for gradient elution at the flow rate of 0.4 mL·min~(-1). The column temperature was set at 35 ℃. The quantitative analysis was performed using the electrospray ionization source and the multiple reaction monitoring. The linear relationship, resolution, repeatability and recovery of the 16 chemical components all met the requirements. The 16 non-volatile ingredients in traditional herbal pieces of Menthae Haplocalycis Herba could be tracked in formula granules. There were certain differences of the 16 chemical components among Menthae Haplocalycis Herba formula granules of different manufacturers and traditional herbal pieces of different producing areas. The UPLC-MS/MS method was simple, rapid and accurate, and could be used for the quality control of non-volatile ingredients in Menthae Haplocalycis Herba formula granules and traditional herbal pieces.

Research Progress of Different Components of Traditional Chinese Medicine in Treatment of Blood Stasis Syndrome / 中国实验方剂学杂志

To a certain extent, put forward the concept of " component of traditional Chinese medicine (TCM)" simplifies the complexity of multi-component and multi-target of TCM, which provides a possibility for the clarification of the material basis of the efficacy of TCM, and also provides a new direction for promoting the modernization and industrialization of TCM, promots the high quality development of TCM. The correlation between prescription and disease syndrome has made rapid progress, both basic research and clinical application are fruitful. However, the correlation between components and disease syndrome still needs to be further studied. The syndrome of blood stasis is a common syndrome of TCM science, and it is more common in various diseases, especially cardiovascular and cerebrovascular diseases, kidney disease, diabetes and hyperlipoidemia. A large number of studies have shown that some specific components contained in TCM or TCM compound can improve the related indexes of patients or experimental animal model with blood stasis syndrome. It is manifested in reducing blood viscosity, inhibiting platelet activation and adhesion aggregation, changing erythrocyte deformability index, inhibiting thrombosis and so on. Blood stasis is not only the pathogenic factor of many diseases, but also the pathological product of many kinds of diseases, which involves a wide range of diseases. Therefore, this study will study the progress of different components of TCM in the prevention and treatment of blood stasis syndrome, focusing on saponins, flavonoids, organic acids, polysaccharides, alkaloids and other active components in improving hemorheological abnormalities, hypercoagulability, platelet activation and adhesion aggregation, thrombosis. Based on the thought of component-disease syndrome, this paper searches the relevant literature in recent 20 years, classifies and summarizes the achievements of different components in the prevention and treatment of blood stasis syndrome, and hopes to provide some ideas for the further study of the pharmacological action of TCM components, the study of compatibility of TCM components and the research of TCM components.

Discussion on Therapeutic Mechanism of Canhuang Tablets for Jaundice with Molecular Docking / 中国实验方剂学杂志

Objective:To explore the mechanism of treatment of jaundice with Canhuang tablets by molecular docking. Method:The compounds of Canhuang tablets were screened in traditional Chinese medicine systems pharmacology database and analysis platform(TCMSP),and targets for treatment of jaundice were collected from the comparative toxicogenomics database(CTD) and DrugBank database.Molecular docking was carry out on the LibDock module of Discovery Studio 2016 software to evaluate the compound-target interaction,and network characteristics were analyzed. Result:A total of 37 compounds in Canhuang tablets had strong interaction on 14 targets,such as pregnane receptor(PXR),constitutive androstane receptor(CAR),farnesoid X receptor(FXR),et al.These targets played an important role in the treatment of jaundice by regulating bilirubin metabolism,regulating bile acid synthesis and transport,inhibiting immune and inflammatory response,and affecting the formation of collagen in the liver.The compound-target network analysis found that moupinamide,canadine,quercetin,demethoxycurcumin,obacunone,curcumin,corchoroside A,berlambine,alnustone,naringenin were the possible main active compounds of Canhuang tablets,which could interact with more than 7 targets. Conclusion:Molecular docking reveals the possible active compounds and the mechanism of treatment of jaundice with Canhuang tablets,and which is conducive to improvement of quality control standard of this preparation and study of its mechanism for jaundice.

A study on urinary iodine levels and influencing factors of urban and rural residents in some areas of Gansu Province / 中华地方病学杂志

Objective@#To analyze the urinary iodine status of urban and rural residents in some areas of Gansu Province and its related influencing factors, and to provide certain references for scientific iodine intake of urban and rural residents in Gansu Province.@*Methods@#Subjects in Gansu Province with normal thyroid function were recruited in the investigation of thyroid diseases and iodine nutritional status, conducted a questionnaire survey and measured height, weight, waist circumference, collected 1 urine sample, and tested their urinary iodine levels. The urinary iodine levels of different groups were compared based on different gender, region, age, body weight, the waist, and salt intaking. The affecting factors of urinary iodine levels were analyzed by multiple linear regression models.@*Results@#Totally 1 964 subjects were recruited, including 1 099 males, and 865 females. The age was (41.23 ± 14.75) years old. The median urinary iodine of the selected group was 225.60 (158.80, 311.58) μg/L. The urinary iodine level of rural residents was significantly higher than that of urban residents [μg/L: 249.80 (180.58, 336.88) vs 206.25 (148.03, 280.33), Z=-8.015, P < 0.05], and there was no significant difference between the urinary iodine levels of male and female [μg/L: 222.40 (161.60, 298.90) vs 230.60 (158.00, 326.40), P > 0.05]. The composition ratio of < 100 μg/L group in rural areas was lower than that in urban areas (5.14% vs 8.27%, χ2= 7.45, P < 0.05), and the composition ratio of ≥300 μg/L group was higher than that in urban areas (34.93% vs 21.51%, χ2= 43.87, P < 0.05). The composition ratio of ≥300 μg/L group in male was lower than that in female (24.57% vs 31.21%, χ2= 10.73, P < 0.05). The multiple linear regression analysis showed that lived in rural areas, age, moderate and severe salt intaking, student, and weight were independently correlated with urinary iodine levels (β= 0.074, -0.001, 0.059, 0.034, 0.096, -0.003, P < 0.05). And the urinary iodine levels were decreased with age and weight increased (P < 0.05).@*Conclusions@#At present, the iodine nutrition level of urban and rural residents in some areas of Gansu Province is generally over the adequate level. The urinary iodine level of rural residents is higher than that of urban residents. In the future, we should pay attention to the impact of different living areas, salt intaking and body weight on urinary iodine levels to prevent thyroid diseases.

Comparison of eleven active components in Lonicerae Japonicae Flos,Lonicerae Japonicae Caulis and leaves of Lonicero japonica by UPLC / 中国中药杂志

This present study aims to establish a UPLC method for simultaneously determining eleven components such as new chlorogenic acid,chlorogenic acid,caffeic acid,cryptochlorogenic acid,artichoke,isochlorogenic acid A,isochlorogenic acid B,isochlorogenic acid C,rutin,hibisin and loganin in Lonicerae Japonicae Flos,Lonicerae Japonicae Caulis and leaves of Lonicera japonica and comparing the differences in the contents of phenolic acids,flavonoids and iridoid glycosides of Lonicerae Japonicae Flos,Lonicerae Japonicae Caulis and leaves of Lonicera japonica.The method was carried out on an ACQUITY UPLC BEH C18column(2.1 mm×100 mm,1.7 μm) by a gradient elution using acetonitrile and 0.1% phosphoric acid.The flow rate was 0.3 mL·min-1.The column temperature was maintained at 30 ℃.The sample room temperature was 8 ℃.The wavelength was set at 326 nm for new chlorogenic acid,chlorogenic acid,caffeic acid,cryptochlorogenic acid,artichoke,isochlorogenic acid A,isochlorogenic acid B and isochlorogenic acid C,352 nm for rutin and lignin,and 238 nm for loganin.The injection volume was 1 μL.The eleven components has good resolution and was separated to baseline.Each component had a wide linear range and a good linear relationship(r≥0.999 6),the average recovery rate(n=9) was 98.96%,100.7%,97.24%,97.06%,99.53%,96.78%,98.12%,95.20%,95.12%,100.2%,98.61%and with RSD was 2.5%,1.4%,1.9%,2.1%,1.7%,1.9%,1.6%,2.0%,1.4%,2.2%,2.0%,respectively.Based on the results of the content determination,the chemometric methods such as cluster analysis and principal component analysis were used to compare the Lonicerae Japonicae Flos,Lonicerae Japonicae Caulis and leaves of Lonicera japonica.The results showed that Lonicerae Japonicae Flos and leaves of Lonicera japonica were similar in the chemical constituents,but both showed chemical constituents difference compored to Lonicerae Japonicae Caulis.The established multi-component quantitative analysis method can provide a reference for the quality control of Lonicerae Japonicae Flos,Lonicerae Japonicae Caulis and leaves of Lonicera japonica.

Effects ofWeChat-based peer supports upon medication adherence in liver transplant recipients / 中华器官移植杂志

Objective To explore the effects of WeChat-based peer supports upon medication adherence and quality-of-life in liver transplant recipients .Methods A total of 63 patients with liver transplantation were conveniently divided into intervention group (n=32) and control group (n=31) depending upon their different follow-up periods .In control group ,routine outpatient health guidance was offered while intervention group received 6-week WeChat-based peer supports . Medication compliance and quality-of-life of two groups were evaluated at Month 3/6/12 post-intervention . Results At Month 3 post-intervention ,as compared with control group ,only non-punctual medication improved significantly in intervention group (P<0 .01);at Month 6 post-intervention ,all aspects of drug adherence improved in intervention group (P< 0 .05) ,at Month 12 post-intervention ,drug adherence ,non-punctual medication and missed dosing improved in intervention group ( P> 0 .05 ) . However , inter-group quality-of-life was not statistically significant at Month 3/6/12 post-intervention .Conclusions WeChat-based peer supports may partially improve the immediate compliance of patients with liver transplantation .However ,long-term outcomes and effects on quality-of-life are worth further researches .

A study on urinary iodine levels and influencing factors of urban and rural residents in some areas of Gansu Province / 中华地方病学杂志

Objective To analyze the urinary iodine status of urban and rural residents in some areas of Gansu Province and its related influencing factors,and to provide certain references for scientific iodine intake of urban and rural residents in Gansu Province.Methods Subjects in Gansu Province with normal thyroid function were recruited in the investigation of thyroid diseases and iodine nutritional status,conducted a questionnaire survey and measured height,weight,waist circumference,collected 1 urine sample,and tested their urinary iodine levels.The urinary iodine levels of different groups were compared based on different gender,region,age,body weight,the waist,and salt intaking.The affecting factors of urinary iodine levels were analyzed by multiple linear regression models.Results Totally 1 964 subjects were recruited,including 1 099 males,and 865 females.The age was (41.23 ± 14.75) years old.The median urinary iodine of the selected group was 225.60 (158.80,311.58) μg/L.The urinary iodine level of rural residents was significantly higher than that of urban residents [μg/L:249.80 (180.58,336.88)vs 206.25 (148.03,280.33),Z=-8.015,P ＜ 0.05],and there was no significant difference between the urinary iodine levels of male and female [μg/L:222.40 (161.60,298.90) vs 230.60 (158.00,326.40),P ＞ 0.05].The composition ratio of ＜ 100 μg/L group in rural areas was lower than that in urban areas (5.14％ vs 8.27％,x2 =7.45,P ＜0.05),and the composition ratio of ≥300 μg/L group was higher than that in urban areas (34.93％ vs 21.51％,x2 =43.87,P ＜ 0.05).The composition ratio of ≥300 μg/L group in male was lower than that in female (24.57％ vs 31.21％,x2 =10.73,P ＜ 0.05).The multiple linear regression analysis showed that lived in rural areas,age,moderate and severe salt intaking,student,and weight were independently correlated with urinary iodine levels (β =0.074,-0.001,0.059,0.034,0.096,-0.003,P ＜ 0.05).And the urinary iodine levels were decreased with age and weight increased (P ＜ 0.05).Conclusions At present,the iodine nutrition level of urban and rural residents in some areas of Gansu Province is generally over the adequate level.The urinary iodine level of rural residents is higher than that of urban residents.In the future,we should pay attention to the impact of different living areas,salt intaking and body weight on urinary iodine levels to prevent thyroid diseases.

Impact of subchronic exposure to low-dose nano-nickel oxide on the reproductive function and offspring of male rats / 中华男科学杂志

Objective@#To investigate the influence of subchronic exposure to low-dose subchronic nano-nickel oxide (NNO) on the reproductive function of male rats and embryonic development of the pregnant rats.@*METHODS@#Fifty normal healthy male SD rats weighing 180－220 g were randomly divided into five groups of equal number, negative control, 4 mg/ml micro-nickel oxide (MNO), and 0.16, 0.8 and 4 mg/ml NNO, those of the latter four groups exposed to MNO or NNO by non-contact intratracheal instillation once every 3 days for 60 days, and then all mated with normal adult female rats in the ratio of 1∶2. After the female animals were confirmed to be pregnant, the males were sacrificed and the weights of the body, testis and epididymis obtained, followed by calculation of the visceral coefficients, determination of epididymal sperm concentration and viability and the nickel contents in the blood and semen by atomic fluorescence spectrometry. The female rats were killed on the 20th day of gestation for counting of the implanted fertilized eggs and live, dead and resorbed fetuses.@*RESULTS@#After 60 days of exposure, the rats of the NNO groups showed no statistically significant differences from those of the negative control and MNO groups in the weights of the body, testis and epididymis or visceral coefficients. Compared with the negative control group, the animals of the 0.8 and 4 mg/ml NNO groups exhibited markedly decreased sperm concentration (［9.36 ± 0.98］ vs ［7.49 ± 1.46］ and ［6.30 ± 1.36］ ×10⁶/ml, P < 0.05) and viable sperm (［85.35 ± 9.16］% vs ［68.26 ± 16.63］% and ［65.88 ± 14.68］ %, P < 0.05), increased morphologically abnormal sperm (［8.30 ± 2.47］% vs ［13.99 ± 4.87］% and ［15.38 ± 8.86］ %, P < 0.05), and elevated rate of dead and resorbed fetuses (1.18% vs 6.89% and 7.37%, P < 0.05), blood nickel content (［0.13 ± 0.16］ vs ［0.52 ± 0.34］ and ［0.82 ± 0.44］ mg/L, P < 0.05) and semen nickel content (［0.08 ± 0.13］ vs ［0.35 ± 0.23］ and ［0.63 ± 0.61］ mg/L, P < 0.05). The nickel level in the semen was correlated significantly with that in the blood (r = 0.912, P <0.01), negatively with the rate of viable sperm (r = －0.879, P <0.01) and positively with the percentage of morphologically abnormal sperm (r = －0.898, P <0.01).@*CONCLUSIONS@#Sixty-day exposure to nano-nickel oxide at 0.8 and 4 mg/ml can produce reproductive toxicity in male rats and result in fetal abnormality in the females, while that at 0.16 mg/ml has no significant toxic effect on the reproductive function of the males.

Progress for glucocorticoid in prevention and treatment of bronchopulmonary dysplasia in premature infants / 国际儿科学杂志

Bronchopulmonary dysplasia (BPD) is one of the common respiratory diseases in premature infants.Recently,the survival rate of VLBW and ELBW infants is increasing,and the incidence of BPD is also increasing year by year.However,the treatment of BPD still lacks a unified clinical standard.The main treatments include permissive hypercapnia,glucocorticoid,bronchiectator,caffeine and inhaled nitric oxide.The treatment of glucocorticoids,including systemic and local medication,is the focus of clinical research.How to use hormones rationally to prevent and treat BPD and minimize adverse reactions is a hot issue.

Progress in the diagnosis and treatment of hepatic artery thrombosis after liver transplantation / 中华肝胆外科杂志

Hepatic artery thrombosis (HAT) is the most frequent vascular complication following with liver transplantation,whichis the foremost cause of primary graft nonfunction,graft loss and recipient's death.Hepatic artery thrombosis after liver transplantation wasdivided into early hepatic artery thrombosis (E-HAT) and late hepatic artery thrombosis (L-HAT).And the etiologywascomplex,clinical presentations were diversity,treatment effects were controversial,therefore,the early detection,early diagnosis and early treatment of hepatic artery thrombosis after liver transplantation are very important.In this paper,the progress in the diagnosis and treatment of hepatic artery thrombosis after liver transplantation were reviewed.