Animals ; Cadmium Chloride ; toxicity ; Dose-Response Relationship, Drug ; Estradiol ; toxicity ; Female ; Organ Size ; drug effects ; Rats ; Rats, Sprague-Dawley ; Uterus ; drug effects ; pathology

This study was to investigate the chemical constituents of the aerial part of Zygophyllumfabago, by phytochemical methods. The compounds were isolated by silica gel and Sephadex LH-20 column chromatographies from the EtOAc extract. Their structures were characterized by various spectroscopic data (1H-NMR, 13C-NMR, MS) and comparison with the literature. As a result, thirteen compounds were isolated and their structures were identified as 1-hydroxyhinesol(1), hinesol(2), atractylenolactam(3), beta-eudesmol (4), 5alpha-hydroperoxy-beta-eudesmol(5), 12-hydroxy-valenc-1(10)-en-2-one(6), pubinernoid A(7), (6S,7E)-6-hydroxy-4,7-megastigmadien-3,9-dione(8), 3-hydroxy-5alpha, 6alpha-epoxy-beta-ionone (9), (3S,5R, 6S, 7E)-3, 5, 6-trihydroxy-7-megastigmen-9-one(10), (6R,7E,9R)-9-hydroxy-4,7-megastigmadien-3-one(11), (S)-3-hydroxy-beta-ionone(12), and blumenol A(13). Compounds 1-7 were sesquiterpenoids and 8-13 were megastigmane type norsesquiterpenoids. All the compounds were obtained from Z. fabago for the first time, and compound 1 was a new natural product.
Drugs, Chinese Herbal ; chemistry ; isolation & purification ; Molecular Structure ; Spectrometry, Mass, Electrospray Ionization ; Terpenes ; chemistry ; isolation & purification ; Zygophyllum ; chemistry

Objective To study the serum leptin and adiponectin levels among relatively healthy older people and their association with traditional cardiovascular risk factors.Methods Personal medical history and blood sample were collected from 1515 older people of Guangzhou.Fasting serum glucose,lipids,leptin and adiponectin were measured.Results(1)In relatively healthy older adults aged 50 or above,from Guangzhou,the following data were seen:serum leptin levels(x-±s)in men and women were(3.90±2.36)ng/ml and(12.17 ±2.01)ng/ml respectively;serum adiponectin levels in men and women were(5.33 ± 2.78)mg/L and(7.18 ± 2.58)mg/L respectively.(2)Serum leptin and adiponectin level increased with age.After adjusting for body mass index,the trend for serum leptin level in men(P＜0.001)and adiponectin level in women(P＜0.05)were significantly associated with age.(3)No association was found between cigarette smoking and levels of leptin or adiponectin in both men and women after adjusting for age(P from 0.09 to 0.76).(4)In both men and women,serum leptin and adiponectin levels were positively associated with waist circumference/body mass index,systolic blood pressure,low-density lipoprotein cholesterol and triglyceride(P from 0.04 to＜0.001).In men,leptin was also significantly associated with the increase of diastolic blood pressure and glucose but decreased with high-density lipoprotein cholesterol(P from 0.03 to 0.02).(5)Decreased adiponectin level was associated with increased waist circumference and triglyceride in both men and women(P from 0.003 to＜0.001)and with the increased body mass index,fasting plasma glucose as well as with decreased high-density lipoprotein cholesterol in men(P from 0.05 to＜0.001)but with increased systolic blood pressure and total cholesterol in women(P from 0.05 to 0.006).Conclusion In Guangzhou city,among relatively healthy older adults aged 50 or above,their serum leptin and adiponectin levels were lower in men than in women.Serum leptin level in men and adiponectin level in women were significantly associated with the increase of age.Increased leptin and decreased adiponectin levels were associated with increased traditional cardiovascular risk factors.

BACKGROUNDSevere bilateral carotid stenosis caused by atherosclerosis has not been unusual in the elderly. Such patients have high stroke risk. Many studies show that carotid artery stenting (CAS) is an alternative to treat unilateral carotid stenosis. However, the optimal procedural strategy of bilateral carotid stenosis remains unclear. The purpose of our study was to evaluate the safety of simultaneous bilateral carotid artery stenting (SBCAS) compared with unilateral carotid artery stenting (UCAS).

METHODSIn this single-center retrospective study, we analyzed 234 consecutive patients who underwent carotid stenting from January 2005 to December 2009. Thirty-nine patients (16.7%) of them underwent SBCAS, and the others (n = 195) underwent UCAS. Indication for CAS was defined as carotid artery diameter reduction > 60% (symptomatic) or > 80% (asymptomatic). Six-month and 30-day hemodynamic depression (HD), hyperperfusion syndrome (HPS), stroke, death and myocardial infarction (MI) after carotid stenting were assessed.

RESULTSSBCAS group had no more HD and HPS compared with UCAS group at 30 days (HD: 28.2% vs. 20.0%, P = 0.396; HPS: 2.6% vs. 2.1%, P = 0.262). Moreover, there was no statistically significant difference between SBCAS group and UCAS group in major stroke, death, MI and their combinations within 30 days (major stroke: 0 vs. 3.6%, P = 0.604; death: 2.6% vs. 1.5%, P = 0.520; MI: 2.6% vs. 0.5%, P = 0.306; and their combinations: 5.1% vs. 4.6%, P = 1.000) and 6 months (major stroke: 0 vs. 3.6%, P = 0.604; death: 5.1% vs. 2.1%, P = 0.262; MI: 5.1% vs.1.0%, P = 0.130 and their combinations: 7.7% vs. 5.1%, P = 0.459).

CONCLUSIONSThe patients undergoing SBCAS had no more events than those undergoing UCAS in 30-day and 6-month follow-up. Our finding suggests that SBCAS appears to be as safe as UCAS.

Aged ; Angioplasty, Balloon ; adverse effects ; Carotid Stenosis ; physiopathology ; therapy ; Female ; Hemodynamics ; Humans ; Male ; Middle Aged ; Postoperative Complications ; etiology ; Retrospective Studies ; Stents ; adverse effects ; Time Factors

Objective To examine the impact of International Physical Activity Questionnaire (IPAQ) physical activity intensity on to the prevalence of diabetes mellitus among Chinese elderly. Methods A total number of 1996 residents aged 50 or above living in Guangzhou city were recruited from the phase 3 of the Guangzhou Biobank Cohort Study. Information on physical activity and fasting plasma glucose status was derived from standardized interviews and laboratory assays. Results Among the participants who were classified as physically active (60.0%), moderate active (29.8%) and inactive (10.2%), the prevalence rates of type 2 diabetes mellitus were 9.1%, 12.0%and 14.2%,respectively. After adjustment on age, sex, obesity and other potential confounding factors, data from logistic regression model showed that the odds ratios (95% confidence interval) for diabetes on subjects in physically moderate active and active group were 0.75 (0.46-1.26)and 0.60 (0.38-0.97) respectively with P for trend as 0.03, when comparing to those physically inactive ones. Conclusion Promotion of physical activity might have had some effects in reducing the risk of diabetes mellitus among the older adults.

Objective To understand the changing trends of non-communicable diseases (NCDs) in Xinjiang Production and Construction Corps from 1998 to 2008.Methods A stratified-cluster random sampling based cross-sectional NCDs survey was carried out in 2008,and using the data of NCDs from the health service surveys in 1998 and 2004,in Xinjiang Production and Construction Corps.The prevalence rate of NCDs was standardization according to age proportion of the population being surveyed in 1998.Results In 1998,2004 and 2008,the prevalence rates of NCDs in Xinjiang Production and Construction Corps were 17.26%,25.61%,24.85% while the Standardized rates of NCDs were 17.26%,23.54% and 20.49% respectively.The prevalence rates of NCDs were statistically significant different in 35-,45-,55- and over 65 age groups in 1998,2004 and 2008 which showed an consecutive upward trend.The prevalence rates of hypertension,diabetes,cerebrovascular disease,coronary heart disease and chronic obstructive pulmonary disease increased significantly from 1998 to 2008.The prevalence rate of hypertensive disease among 25- age group,diabetes among 35- age group,cerebrovascular disease and coronary heart disease among 45- age groups showed an increasing trend.Conclusion Cardiovascular and cerebrovaseular diseases,together with diabetes were the fastest increasing ones over the past 10 years and becoming the major diseases,making the Xinjiang Production and Construction Corps an aging population.NCDs should be prioritized in the health development plan.Targeted health education should be carried out in the whole population,together with other interventions as well as management programs on chronic diseases to reduce the prevalence of NCDs.

Objective To examine the association between genetic polymorphism of rs1409181 in ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) and left ventricular hypertrophy (LVH) among older Chinese in Guangzhou. Methods 390 subjects aged ≥50 years were randomly selected from the Guangzhou Biobank Cohort Study-CVD. Information on personal history, blood pressure, fasting plasma glucose and lipids were collected. Color Doppler ultrasound was used to measure the indicators of LVH, including left ventricular internal diastolic diameter (LVIDD) , thickness of the interventricular septum diastolic wall (IVSD) and the posterior wall diastolic diameter (LVPWD). LVIDD was calculated using Devereux ventricular mass (LVM)equation while the Left ventricular mass index (LVMI) equation was used to estimate LVH. The genotype of rs1409181 was determined by Taqman SNP genotyping kits using the ABI 7900HT real time PCR system. Results In the GG, CG and CC genotype groups, the proportions of LVH were 21.5%, 28.2% and 37.5% respectively. Compared with GG, the adjusted odds ratios (95% confidence interval) for the LVH were 1.39(0.78-2.50) and 2.36(1.21-4.60) for CG genotype and CC genotype of ENPP1 respectively (P for trend=0.01). Conclusion Polymorphism of ENPP1 gene rs1409181 was associated with LVH in the older Chinese people in Guangzhou.

Objective To examine the dose-response relationship of smoking status with carotid atherosclerosis in 959 relatively healthy Chinese men. Methods 959 older Chinese men were selected from Guangzhou Biobank Cohort Study (GBCS) on cardiovascular disease. Personal histories were collected and fasting plasma glucose and lipids, blood pressure, and common carotid artery intima-median thickness (CCA-IMT) were measured. Results ( 1 ) Composition of the cases:39.1% were non-smokers, 25.7% were former smokers and 35.2% were current smokers. The mean (95% confidence interval) carotid IMT was 0.78 (0.77-0.79) mm. 18.4% of the subjects had carotid IMT equal to or thicker than 1.0 mm while 34.1% had carotid plaque. (2)After adjusting for age, sex,physical activity, body mass index, fasting glucose, triglyceride, high-density lipoprotein cholesterol,systolic and diastolic blood pressure, compared to never smokers, current smokers had significantly increased risk for thicker IMT and carotid plaque [odds ratio (OR) = 1.82, 95% GI: 1.30-2.55 and OR=1.95, 95%CI: 1.38-2.75, respectively, all P＜0.001]. The risk for thicker IMT and carotid plaque increased with the increasing amount (cigarettes/day) and duration of smoking (years) as well with cigarette pack-years (P for trend all ≤0.01 ). Conclusion An elevated risk with a clear doseresponse relationship was found between cigarette smoking and carotid atherosclerosis. Quitting smoking or reducing the amount of smoking may lower the risk of atherosclerosis, preventing and controlling the occurrence of cardiovascular diseases, and reducing the related cardiovascular mortalities.

Objective To evaluate the risk of hepatitis B virus(HBV) infection among preschool children who were the non-responders to hepatitis B vaccine in future. Methods A prospective cohort study was conducted. Children aged 2 to 5 years were selected from 64 kindergartens.These children were inoculated three doses of hepatitis b vaccine at 0, 1 and 6 months after birth. Hepatitis B surface antigen (HBsAg)and Hepatitis B surface antibody (anti-HBs)were detected during the period from March to May 2015. The children who were HBsAg negative were enrolled in the study. The subjects were divided into exposure group (anti-HBs negative) and control group (anti-HBs positive) . The follow-up began on June 1, 2015 and ended on June 1, 2016. Serum HBsAg of children in the cohort was then collected and detected from June 1 to 30, 2016. At the end of the study, the HBsAg positive rates between two groups were compared. Results 83 children who received hepatitis B vaccine again during the follow-up period were excluded from 1 907 non-responders. The actual number in non-responders group was 1 824. 151 children were lost at the end of the study. The actual number of follow-up was 1 673 and 5 children were found to be positive for HBsAg and the infection rate was 0.30% (5/1673). In the respondent goup, 2 054 were enrolled and followed. Finally, 140 children were lost and none of the remaining 1 914 people were HBsAg positive at the end of the study. HBsAg positive rate was higher in the non-responder group than in the responder group (P=0.023). Conclusion There is a risk of HBV infection in the children who are non-responders to hepatitis B vaccine in future.

OBJECTIVETo investigate the differential expression of RPL6/Taxreb107 between drug-resistant gastric cancer cell line SGC7901/ADR and gastric cancer cell line SGC7901 as well as its correlation with multiple-drug resistance (MDR) in gastric cancer cells.

METHODSTotal RNA was extracted from SGC7901 and SGC77901/ADR, with internal control RT-PCR, Northern blot, gene cloning and expression, construction of eukaryotic expression vector, gene transfection by electroporation. The accumulation and retention of ADR in transiently transfected cell was detected by flow cytometry.

RESULTSThe internal control RT-PCR and Northern blot showed high RPL6/Taxreb107 expression in SGC7901/ADR cell line. Sense and antisense eukaryonic expression vectors demonstrated by double enzyme digestion were successfully transfected into gastric cancer cell line SGC7901 and SGC7901/ADR respectively by electroporation. The accumulation and retention of ADR detected 48 hours after transfection showed that RPL6 gene had shown effect on drug resistance in gastric cancer cell.

CONCLUSIONThe high expression of RPL6/Taxreb107 in drug resistant gastric cancer cell shows its correlation with multiple-drug resistance in gastric cancer.

DNA-Binding Proteins ; metabolism ; Drug Resistance, Multiple ; physiology ; Drug Resistance, Neoplasm ; physiology ; Humans ; Statistics as Topic ; Stomach Neoplasms ; pathology ; Tumor Cells, Cultured