Objective To clone and express the E2 gene in envelope region of hepatitis C virus and detect the anti E2 in sera of patients with HCV infection,using the purified E2 Protein.Methods The gene fragment of E2 region was obtained from the sera of patients with HCV infection by random primer reverse transcription and polymerase chain reaction(PCR),and then cloned into procaryotic expression system to express and Purify the protein and detect its antigenicity.Results A segment of E2 region gene with correct code reading frame was obtained,its full length was 984 bp and molecular weight of expressed Protein was 38kD.The detection of the protein performed by ELISA with sera from the patients with HCV infection,testified that it had appropriate antigenicity.Conclusion This experiment can provide the fundamental data for researching on the basic characteristics of HCV envelope protein,nuderstanding the significance of serological diagnosis and designing the anti HCV vassine.

Humans ; Language Development Disorders ; complications ; Presbycusis ; complications

Objective To investigate the relationship between the apolipoprotein B (ApoB) gene Xba Ⅰ and EcoR Ⅰ polymorphisms and cholelithiasis in Han and Mongolian population in the Midwest Area of Inner Mongolia.Methods The clinical data of 100 patients with cholelithiasis and 115 healthy individuals at the First Affiliated Hospital of Medical College of Baotou from April to October in 2010 were collected.A case-control study which detected ApoB alleles of patients with cholelithiasis (cholelithiasis group) and healthy individuals (control group) in Han nationality and Mongolian nationality in the Midwest Area of Inner Mongolia was conducted by polymerase chain reaction-restriction fragment length polymorphism,which included Xba Ⅰ (X + X +,X + X-,X-X-,X +,X-) and EcoR Ⅰ (E + E +,E-E-,E + E-,E +,E-).The serum lipid (including triglyceride,total cholesterol,high density lipoprotein and low density lipoprotein) levels in different groups were detected.The count data and the measurement data were analyzed using the chi-square test and t test,respectively.Results Genotype X + X + was not found in the Han and Mongolian population,and Xba Ⅰ (X +) or EcoR Ⅰ (E-) alleles was not found in the Mongolian population.The levels of low density lipoprotein were (2.8 ± 0.9)mmol/L in the cholelithiasis group,which was significantly higher than (1.9 ± 0.8) mmol/L of the control group in the Han population (t =2.800,P ＜ 0.05).The levels of high density lipoprotein and low density lipoprotein were (1.7 ± 0.3) mmol/L and (3.5 ± 0.8) mmol/L of the cholelithiasis group,which were significantly higher than (1.2 ± 0.3) mmol/L and (2.8 ± 0.9) mmol/L of the control group in the Mongolian population (t =7.596,2.549,P ＜ 0.05).The levels of triglyceride,total cholesterol,high density lipoprotein and low density lipoprotein of the cholelithiasis group in the Mongolian population were (3.1 ± 1.6) mmol/L,(5.6 ± 1.0) mmol/L,(1.7 ± 0.3) mmol/L and (3.5 ± 0.8) mmol/L,which were significantly higher than (1.2 ± 0.6) mmol/L,(4.4 ± 1.2) mmol/L,(1.3 ± 0.3) mmol/L and (2.8 ± 0.9) mmol/L of the cholelithiasis group in the Han population (t =5.501,3.667,4.448,3.430,P ＜ 0.05).The levels of triglyceride,total cholesterol,low density lipoprotein were (2.6 ± 1.7) mmol/L,(5.1 ± 1.1) mmol/L and (2.8 ± 0.9) mmol/L of the control group in the Mongolian population,which were significantly higher than (1.3 ±0.7)mmol/L,(3.9 ±0.9) mmol/L and (1.9 ±0.8) mmol/L of the control group in the Han population (t =4.298,4.772,3.888,P ＜ 0.05),while the level of high density lipoprotein was significantly higher of the control group in the Han nationality than the control group in the Mongolian population (t =1.997,P ＜ 0.05).The levels of low density lipoprotein in patients with genotypes X + X-,X-X-of the cholelithiasis group in the Han population were (2.7 ± 0.1) mmol/L and (2.6 ± 1.0) mmol/L,and the levels of low density lipoprotein in patients with genoeypes E + E ±,E + E-/E-E-were (2.6 ± 1.0) mmol/L and (2.5±0.4)mmol/L,with no significant difference (t=0.225,0.124,P＞0.05).Conclusion In the Midwest area of Inner Mongolia,the Mongolian population might be more susceptible to cholelithiasis than the Han population.No relationship between the rare alleles X +,E-and the increase of blood lipids,which indicates that X + and E-of ApoB may not be a risk factor of cholelithiasis.

OBJECTIVETo observe the immediate antihypertensive effect of guasha combined with bleeding therapy for mild (grade I) hypertension.

METHODSThirty patients with mild (grade I) hypertension and 30 cases with normal blood pressure were compared. Areas and acupoints in governor vessel, meridian of foot-taiyang, meridian of hand-yangming and meridian of foot-yangming were scraped for 3 times, which was followed by bleeding therapy. The blood pressures after each guasha and bleeding therapy were recorded as well as the skin temperature in Dazhui (GV 14) after each guasha. The treatment was given once a week and totally 4 treatments were given.

RESULTSThere were significant antihypertensive effects after the first guasha, the second guasha and the third guasha and bleeding therapy (all P<0.01), in which guasha combined with bleeding therapy had the most significant antihypertensive effect (P<0.01). The skin temperature in Dazhui (GV 14) was obviously increased after three times of guasha (all P<0.01).

CONCLUSIONGuasha or combined with bleeding therapy has better antihypertensive effect for mild hypertension, which is likely to be related with warming stimulation on meridians and acupoints.

Acupuncture Points ; Acupuncture Therapy ; Adult ; Aged ; Blood Pressure ; Case-Control Studies ; Combined Modality Therapy ; Female ; Hemorrhage ; Humans ; Hypertension ; physiopathology ; therapy ; Male ; Meridians ; Middle Aged

Aim To research the protective effect and mechanisms of taurine on myocardial ischemia and reperfusion injury in rats. Methods Myocardial ischemia reperfusion models were established in SD rats. The effects of taurine on the size of myocardial infarction and the changes of activity of SOD , and the levels of MDA and NO in myocardium and plasma of rats with myocardial ischemia and reperfusion injury were observed. Results In rats with myocardial ischemia and reperfusion injury, the taurine could reduce the size of myocardial infarction (P

To discuss the influence of dexamethasion on lL-1β and TNF - α expression in suture - induced rabbit corneal neovascularization ( CNV ) and analyze the potential mechanism.
●METHODS: For 43 healthy rabbits, 40 were randomly selected for establishing CNV model in corneal stroma. The right eyes (group A) were received no medicine and the left eyes ( group B) were injected dexamethasone after successfully establishing the model. The no modeling 3 rabbits were normal control group. The morphologic change of corneal was observed with slit lamp microscope and the areas of CNV was calculated every day, then 8 rabbits were randomly chosen for sacrificing at 1, 4, 7, 14, 21d respectively. The pathological characteristics of CNV were observed after HE staining, and lL - 1β and TNF - α expression was detected by immunohistochemistry.
●RESULTS: CNV was grown at the 4d after suture, and the 7-14d was vigorous growth period. inflammatory cell infiltration appeared after HE staining, and CNV was located at the superficial stroma of cornea. lmmunohistochemistry results showed that lL - 1β and TNF - α expression was gradually increased with prolonged suture time. Compared with corneal stitch group, the rabbits cured by dexamethasone were found with less inflammatory cells infiltrating and neovescularization, moreover, the expression of lL - 1βand TNF-α decreased. There were statistical significance between the two groups (P<0. 05).
● CONCLUSlON: Dexamethasone can inhibit the CNV growth by controlling the inflammation of corneal and restraining lL-1β and TNF-α expression.

With the global development of medical information standard, construction work of traditional Chinese medicine (TCM) information standard system has been promoted rapidly. The framework of ancient Chinese medical literature clinical terminology classification standardization is one of the foundations of TCM language system. Its research will further promote and perfect TCM information standard system. We have adhered to the connection among ancient TCM classification framework, modern TCM and western medicine classification framework. Exploration on framework construction of ancient Chinese medical literature clinical terminology classification standardization was based on previous work of Chinese medicine clinical terminology classification and code standard, reference frame structure of SNOMED CT, research findings of classification standard framework of Chinese medicine clinical terms, andQian Jin Fang.

Objective:To investigate the relationship between sarcopenia and early renal dysfunction in elderly patients with type 2 diabetes mellitus(T2DM).Methods:A total of 198 elderly patients with T2DM aged over 60 years undergoing treatment in the Geriatric Department of Beijing Hospital from July 2018 to July 2019 were enrolled in this retrospective case-control study.The estimated glomerular filtration rate(eGFR)is calculated according to the CKD-EPI Cr-Cys formula.Based on the eGFR, the patients were divided into normal renal function group(n=63, in CKD 1 stage)and mild renal dysfunction group(n=135, in CKD 2-3a stage). All subjects underwent physical examination, laboratory examination and dual energy X-ray bone density examination. Results:The age, weight, body mass index, abdominal circumference, serum creatinine, cystatin C, uric acid, diastolic pressure, the proportions of diabetes and hypertension were lower, and the high-density lipoprotein cholesterol, appendicular skeletal muscle mass(ASM)and skeletal muscle mass index(SMI)were higher, in the normal renal function group than in the mild renal dysfunction group( P<0.05 or 0.01). Spearman correlation analysis showed that eGFR was positively correlated with SMI( r=0.343, P<0.01). Logistic regression analysis showed that body weight( OR=1.318, 95% CI: 1.091-1.594), uric acid( OR=1.007, 95% CI: 1.001-1.012), diastolic blood pressure( OR=1.072, 95% CI: 1.033-1.112), years of diabetes( OR=1.075, 95% CI: 1.013-1.142)were risk factors, and the LSM( OR=0.136, 95% CI: 0.047-0.392)and SMI( OR=0.778, 95% CI: 0.703-0.860)were protective factors for the early renal dysfunction in elderly patients with T2DM. Conclusions:Elderly patients with T2DM are often co-existed with sarcopenia.Sarcopenia is associated with early renal dysfunction in elderly patients with T2DM.

With the acceleration of the aging process in China, the incidence rates of coronary heart disease and cerebral infarction have significantly increased.And iodine contrast agent is often used in imaging diagnosis and percutaneous intervention therapy.The contrast medium is filtered from the glomerulus in its original form and is not absorbed by renal tubules.However, the accumulation of iodine contrast medium in the kidney can lead to acute kidney injury.Kidney is one of the most important excretory and endocrine organs in human body.The prevention and treatment of contrast-induced nephropathy(CIN)have been widely concerned.The incidence rate of contrast-induced renal damage is higher and the prognosis is poorer in the elderly than in the non-elderly due to the decline of organ function in the elderly.At present, the mechanism of action for oxygen free radicals in CIN of the elderly is still unclear.This article reviews the researches on the role of oxygen free radical in CIN of the elderly studied by domestic and foreign scholars in recent years.

This study is to observe the effect of gross saponins of Tribulus terrestris (GSTT) on protein kinase Cepsilon (PKCepsilon) and apoptosis-associated protein in the apoptosis of cultured cardiocyte apoptosis induced by hydrogen peroxide (H2O2), and to explore the mechanisms of GSTT against myocardial apoptosis. Primary cardiocytes were isolated and cultured. Myocardial apoptosis was induced by H2O2 and analyzed with flow cytometry. Protein content of phospho-PKCepsilon, Bcl-2, and Bax were detected with Western blotting analysis. Cleaved caspase-3 protein content was determined with immunocytochemical technique. After the pretreatment of 100 mg x L(-1) GSTT, compared with H2O2 group, GSTT could not only decrease the apoptotic percentage in cardiocytes damaged by H2O2 (P < 0.01), but also reduce protein contents of Bax and cleaved caspase-3 (P < 0.01), and increase protein content of phospho-PKCepsilon and Bcl-2 significantly (P < 0.01). PKC inhibitor chelerythrine (Che) could prevent partly the effect of GSTT against myocardial apoptosis (P < 0.05 and P < 0.01). Mechanisms of GSTT against myocardial apoptosis might be associated with inhibition of mitochondrial apoptosis pathway after PKCepsilon activation.
Animals ; Apoptosis ; drug effects ; Benzophenanthridines ; pharmacology ; Caspase 3 ; metabolism ; Cells, Cultured ; Dose-Response Relationship, Drug ; Enzyme Activation ; Female ; Hydrogen Peroxide ; toxicity ; Male ; Myocytes, Cardiac ; cytology ; drug effects ; metabolism ; Oxidative Stress ; Phosphorylation ; Plants, Medicinal ; chemistry ; Protein Kinase C ; antagonists & inhibitors ; Protein Kinase C-epsilon ; metabolism ; Proto-Oncogene Proteins c-bcl-2 ; metabolism ; Rats ; Rats, Wistar ; Saponins ; administration & dosage ; isolation & purification ; pharmacology ; Tribulus ; chemistry ; bcl-2-Associated X Protein ; metabolism