Humans ; Occupational Diseases ; diagnosis

During oral glucose tolerance test(OGTT),endothelium-dependent vasodilation(EDD)at different time points in impaired glucose tolerance(IGT)group was lower than that in normal control group.EDD at 60 and 120 min in IGT + vitamin C group was higher than that in IGT group(all P＜0.05).There was a negative relationship between blood glucose level and EDD during OGTT in IGT patients.

Objective To research the relationship between plasma osteoprotegerin (OPG) level and endothelium-dependent arterial dilation (EDAD) in type 2 diabetic patients.Methods The subjects included 40 newly diagnosed type 2 diabetic patients and 46 healthy subjects.Insulin therapy were then given to all diabetic patients for 6 months.Plasma OPG was measured by a sandwich ELISA method,and brachial artery diameter was determined by high resolution ultrasound at rest after reactive hyperemia and after sublingual glyceryl trinitrate (GTN).Results Plasma OPG level in diabetic patients before treatment was (3.44?0.52) ng/L,which was significantly higher than that in control (2.38?0.25 ) ng/L (P

PCR/ASO probes were applied to analyse the T-786C polymorphisms in 5′-flanking region of endothelial nitric oxide synthase(eNOS)gene in type 2 diabetic patients with or without nephropatby and healthy individuals.The results showed that the T-786C polymorphisms of eNOS gene seemed to be related to diabetic nephropathy in type 2 diabetes.

The purpose of study was to investigate the feasibility of the application of cationic propyl gallate (C-PG) as inducer of platelet aggregation for evaluating the platelet function of single-donor plateletpheresis and identifying the incidence of defective platelet function among donors. Experiments were as follows: 3 healthy volunteers' platelet aggregation induced by 100-300 micromol/L C-PG was determined by LG-PABER analyzer to observe the effect of C-PG concentration on platelet aggregation; 30 healthy volunteers' platelet aggregation before and 24 hours after administration of 200-400 mg acetylsalicylic acid (ASA) was examined after induction by 200 micromol/L C-PG for determining the cut-off value to discriminate platelet dysfunction donors; the platelet aggregation of 483 platelet donors was detected and the activated plasma clotting time (APCT) of donors who have deficiency in platelet aggregation was examined for investigating the incidence of defective platelet function among donors. The results showed that platelets were activated by C-PG induction in a dose dependent manner, when concentration of C-PG reached 200 micromol/L, the percentage of platelet aggregation was highest. It significantly decreased after 24 hours with ASA than that before the administration (P < 0.001), especially in 180 seconds induced by C-PG. If cut-off point was fixed on the platelet aggregation < 20% in 180 seconds, donors of platelet dysfunction can be selected effectively. 25 of defective platelet aggregation function among 483 donors were detected, and 11 out of 25 platelet dysfunction donors had the deficiency in procoagulant activity with prolonged APCT. It is concluded that C-PG as inducer of platelet aggregation is feasible to screen the platelet function of donors. Five percent of platelet donors has function defect examined by C-PG as inducer of platelet aggregation.
Antioxidants ; chemistry ; pharmacology ; Aspirin ; administration & dosage ; Blood Donors ; Blood Platelets ; cytology ; drug effects ; physiology ; Cations ; chemistry ; Humans ; Platelet Activation ; drug effects ; Platelet Aggregation ; drug effects ; Platelet Aggregation Inhibitors ; administration & dosage ; Platelet Function Tests ; Platelet Transfusion ; Propyl Gallate ; administration & dosage ; chemistry ; Whole Blood Coagulation Time

OBJECTIVETo study the proportion and mechanism of relieving asthma of drug partnership comprising herbal Ephedrae & Pheretima.

METHODTo study relaxant effect on 10 micromol x L(-1) carbachol (CCh) and 10 micromol x L(-1) histamine (His) precontracted isolated tracheal rings and lowering effect on short-circuit current (Isc) increase induced by 10 micromol x L(-1) CCh with 3 proportions of 1:1, 1:3, 1:9 extract.

RESULT1:3 proportions dose-dependently relaxed CCh-precontracted isolated tracheal rings, IC50 of 1:1, 1:3 is 7.5, 15 mg x mL(-1) respectively, 1:9 could not produce 50% inhibition effect on CCh-evoked contraction; 3 proportions also dose-dependently relaxed His-precontracted isolated tracheal rings, IC50 of 1:9, 1:3 and 1:1 is 0.19, 0.61, 1.8 mg x mL(-1) respectively. On the other hand,the orders potency of the decrease effect on CCh-evoked short circuit current increase is 1:3 > 1:1 > 1:9. The difference is not significant (P < 0.05).

CONCLUSIONHerbal Ephedrae & Pheretima had tracheal muscle relaxant and epithelium ion secretion inhibition effect, its mechanism of relieving asthma involved anti-CCh and anti-His effect 1:3 was the most appropriate dosage ratio in the anti-asthmatic drug partnership.

Animals ; Anti-Asthmatic Agents ; administration & dosage ; pharmacology ; Asthma ; physiopathology ; Dose-Response Relationship, Drug ; Drugs, Chinese Herbal ; administration & dosage ; isolation & purification ; pharmacology ; Ephedra sinica ; chemistry ; Guinea Pigs ; Histamine Antagonists ; pharmacology ; In Vitro Techniques ; Male ; Materia Medica ; administration & dosage ; isolation & purification ; pharmacology ; Muscle Relaxation ; drug effects ; Muscle, Smooth ; drug effects ; Oligochaeta ; chemistry ; Plants, Medicinal ; chemistry ; Rats ; Rats, Sprague-Dawley

OBJECTIVETo investigate the relationship between carotid artery intima media thickness (IMT) and apolipoprotein (Apo) E gene polymorphisms in type 2 diabetes mellitus (DM2).

METHODSTwo hundred and fifty-five DM2 patients without angiopathy and 107 healthy individuals were selected. PCR/allele-specific oligonucleotide probe was used to determine their apoE genotypes.

RESULTSThe prevalence distribution of apoE genotypes and alleles in DM2 patients and that in controls were similar. The TC, LDL-C and Lp(a) concentrations in e4/4, e4/3 subgroups were significantly higher than those in e3/2, e2/2 subgroups (P<0.05). The average value of IMT in e4/4 e4/3 carriers (0.89 mm) was significantly greater than that in e3/2 e2/2 carriers (0.62 mm) (P<0.05). After adjustment for TC, LDL-C, TG, Lp(a), FBG, HbA1c, age, BMI, and smoking, ANCOVA showed that the average value of carotid IMT was significantly greater in subjects with e4/4 e4/3, compared with that in subjects with e3/2 e2/2(P=0.033).

CONCLUSIONApo e4 allele increases the risk for carotid artery atherosclerosis in the early stage of diabetic population.

Adult ; Age Factors ; Aged ; Aged, 80 and over ; Alleles ; Analysis of Variance ; Apolipoprotein E4 ; Apolipoproteins E ; genetics ; Arteriosclerosis ; pathology ; Body Mass Index ; Carotid Artery Diseases ; pathology ; Cholesterol ; blood ; Cholesterol, LDL ; blood ; Diabetes Mellitus, Type 2 ; blood ; genetics ; pathology ; Female ; Gene Frequency ; Genotype ; Glycated Hemoglobin A ; metabolism ; Humans ; Lipoprotein(a) ; blood ; Male ; Middle Aged ; Smoking ; Triglycerides ; blood ; Tunica Intima ; pathology ; Tunica Media ; pathology

OBJECTIVETo transfer the effective elements of Bupleurum scorzonerifolium into carrot, and provide theoretical data for the exploitation, improvement and selection of the germplasm of Chinese medicinal plants.

METHODThe protoplasta of Bupleurum scorzonerifolium irradiated by ultraviolet light (UV) at an intensity of 300 microW.(cm2)-1 for 0, 1, 2 min respectively were fused with those of carrot Fisch by PEG method. The regenerated clones, derived form a single fused cell, were examined for their hybrid nature by phenotype and Esterase isoenzyme analysis.

RESULTNine clones were identified as the somatic hybrids between B. scorzonerifolium and carrot.

CONCLUSIONThis provides a firm foundation for the further analysis of the main active components saikosaponin of somatic hybrids and the screening out of high-medicine-content hybrid cell lines.

Bupleurum ; cytology ; genetics ; growth & development ; Cell Fusion ; Culture Techniques ; Daucus carota ; cytology ; genetics ; growth & development ; Esterases ; analysis ; Hybrid Cells ; enzymology ; Hybridization, Genetic ; Isoenzymes ; analysis ; Plants, Medicinal ; cytology ; genetics ; growth & development ; Protoplasts ; cytology

A cross-sectional survey with multiple-stage and random sampling was performed among middle and elderly aged permanent inhabitants in Wuhan area.The prevalences of metabolic syndrome,diabetes mellitus, impaired glucose tolerance,hypertension and obesity were 12.2%,11.8%,10.3%,31.9% and 48.0% respectively.

Objective To understand the current epidemic and immunity status of hepatitis B virus in Ma’anshan City, and to compare the prevention and control effect after the adjustment of hepatitis B vaccine immunization strategy. Methods Multi-stage random sampling method was used to select 10 investigation points in the whole city, a random sample of 3 460 people under 60 years old was included according to urban and rural stratification. questionnaires and blood were collected from the subjects, and domestic enzyme linked immunosorbent assay (ELISA) was used for hepatitis B immunoglobulins detection. Results The total positive rate of hepatitis B virus surface antigen (HBsAg), hepatitis B virus surface antibody (HBsAb) and Hepatitis B virus (HBV) infection was 3.32%, 51.21% and 29.16% respectively. The positive rate of HBsAb in urban area was higher than that in rural area ( 2=28.204, P<0.001). The positive rate of HBsAb was significantly different between the medical and nursing staff and other occupational groups ( 2=22.772, P<0.001). The difference of HBsAb positive rate before and after HepB vaccine content adjustment was statistically significant ( 2=90.331, P<0.001). The rate of HepB decreased with age ( 2trend=1 984.342, P<0.001). Conclusions Since HepB was incorporated into the immunization program, hepatitis B prevention and control in school-age children has achieved remarkable results. More attention should be paid on the low positive rate of HBsAb in students and the low immunization rate of HepB in adults.