1.Ile796Val polymorphism in the human SCAP gene and the correlation with serum lipid levels
Chinese Journal of Laboratory Medicine 2000;0(06):-
Objective To study the Ile796Val polymorphism in human SCAP gene in Hubei area, and analyze its correlation with coronary heart disease (CHP) and hypertension and the relationship between polymorphism and lipid metabolism. Methods Using PCR RFLP, we detected genotypes of Ile796Val polymorphism in human SCAP gene. Results The allele A frequencies of Ile796Val in human SCAP gene for controls, CHD patients and the hypertension patients were 0.32, 0.45 and 0.42 respectively. The allele G frequencies were 0 68, 0.55 and 0.58 respectively. There were significant differences in frequencies of genotype and alleles between controls and hypertension group. And there was significant difference in the level of TC, LDL C and ApoB. In CHD group, there was significant difference in the TC level between different genotypes. In hypertension patients, although a difference was noted in genotype, there was no significant difference in allele frequencies and lipid level exceps a significant difference in the levels of TC, LDL C and ApoB in hypertension patients. Conclusion Ile796Val polymorphism in human SCAP gene may be a great agent to cause disorder in the lipid level of blood and lipid metabolism of tissue. It is of great significance in disorder in lipid metabolism of inter cellular and genetic investigation of hyperlipidemia.
2.Development of evidence-based laboratory medicine and laboratory medicine
Fang LIU ; Xin ZHOU ; Xiangong ZHENG
Chinese Journal of Hospital Administration 1996;0(04):-
Evidence based medicine is medicine based on evidence and the application of evidence based medicine to laboratory medicine is evidence based laboratory medicine. The major enforcement strategies of evidence based laboratory medicine include: discovering problems and bringing them forward; seeking valuable evidence from the laboratory or relevant literature; making experimental or methodological assessments; application in the practice of clinical laboratory; and evaluating the results of the practice. Evidence based medicine and evidence based laboratory medicine are of great significance to the advancement of laboratory medicine and clinical work.
5.Analysis of effect of topographical conditions on content of total alkaloid in Coptidis Rhizoma in Chongqin, China.
Xin LIU ; He HUANG ; Yan-fang YANG ; He-zhen WU
China Journal of Chinese Materia Medica 2014;39(24):4748-4753
To study ecology suitability rank dividing of the total alkaloid content of Coptis Rhizoma for selecting artificial planting base and high-quality industrial raw material in Chongqing province. Based on the investigation of PCB and DEM data of Chongqing province, the relationship between the total alkaloid content in Coptis Rhizoma and topographical conditions was analyzed by statistical analysis. The geographic information systems (GIS)-based assessment and landscape ecological principles were applied to assess eco logy suitability areas of Coptis Rhizoma in Chongqing. slope, aspect and altitude are main topographical factors that affect the content of the total alkaloid content in Coptis Rhizoma The total alkaloid content in Coptis Rhizoma is higher in the lower altitude, shady slope and bigger slope areas. The total alkaloid content is higher in the south areas of Chongqing province and lower in the northeast. Terrain conditions of the southern region of Chongqing are most suitable for The accumulated of total alkaloid Coptis Rhizoma content.
Alkaloids
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analysis
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metabolism
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China
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Coptis
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chemistry
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Ecology
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Environment
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Geographic Information Systems
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Geography
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Plants, Medicinal
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Rhizome
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chemistry
6.Analysis of risk factors and body composition in elderly patients with type 2 diabetes complicated nonalcoholic fatty liver disease
Pengju LIU ; Fang MA ; Huiping LOU ; Chunwei DU ; Xin TAO
Chinese Journal of Geriatrics 2010;29(2):111-114
Objective To investigate the probable risk factors for type 2 diabetic patients complicated nonalcoholic fatty liver disease (NFLD)in elderly, through comparing the body composition, serum lipid profile, incidences of abdominal obesity and metabolic syndrome (MS) between elderly type 2 diabetic patients with and without NFLD. Methods The enrolled elderly type 2 diabetic patients were divided into NFLD group (n=83) and non-NFLD group (n=85). Their clinical data including body composition, serum lipid profile, incidences of abdominal obesity and MS were analyzed retrospectively and compared. Results Compared with non-NFLD group, the BMI [(26.9±2.5) kg/m~2 vs. (24.1±2.5) kg/m~2, P=0.000], waist-hip ratios (WHR) ((0.92±0.07) vs. (0.87±0.06), P=0.000], total body fat percentage [(29.6%±6.6%) vs. (25.3%±5.5%),P=0.000], abdominal fat [(11.0±2.5) kg vs. (8.7±2.3) kg, P=0.000], visceral fat [(3.0±0.7) kg vs. (2.3±0.6)kg, P=0.000], visceral fat area [(97.6±22.2) cm~2 vs. (75.5±21.1) cm~2,P=0. 000], serum triglyceride [(1.98±0.94) mmol/L vs. (1.22±0.61) mmol/L, P=0.000]were all increased, while serum HDL [(1.23±0.32) mmol/L vs. (1.40±0.37) mmol/L, P=0.002]was decreased in NFLD group. The incidences of over-body fat (68.7% vs. 36.5%, P=0. 000),dyslipidemia (47.0% vs. 21.2%, P=0. 000), abdominal obesity (69.9% vs. 43.5%, P=0.001) and MS (49.4% vs. 9.6%, P=0.000) were obviously increased. But there were no statistical differences in serum TC [(4.93±0.94) mmol/L vs. (4. 73±1.07) mmol/L, P=0.219]and LDL [(3.23±0.80) mmol/L vs. (3. 07±0.89) mmol/L, P=0. 229]between the two groups. Logistic regression showed that high BMI (β=1.268, P=0.000, OR=3.56), over-total body fat percentage (β=0.902, P=0.023, OR=2.47)and the existence of MS (β=1. 664, P=0. 000, OR=5.28) were related to elderly type 2 diabetic patients complicated NFLD. Conclusions The high BMI, over-total body fat percentage are related to elderly type 2 diabetic patients complicated NFLD, and NFLD is probably one of components of metabolic syndrome.
7.Effect of ULF gene silence on etoposide induced H1299 cell apoptosis
Wei LIU ; Xin XU ; Xiaoci CAO ; Fei YUAN ; Huiying FANG
Chinese Journal of Biochemical Pharmaceutics 2014;37(4):59-62
Objective To explore the effects of knocking down ULF gene on the apoptosis of non-small-cell carcinoma H1299 cell after treatment with etoposide.Methods Three ULF small interfering RNA(siRNA)sequences and one negative control siRNA sequence were designed and synthesized, and then individually transfected into H1299 cell via lentivirus.The interference efficiency of ULF-siRNA were screened by real-time PCR and Western blotting.Then the most target siRNA was used for apoptosis assay after treatment with etoposide,MTT assay for H1299 cell proliferation,flow cytometry for cell cycle distribution. Results The expression of ULF gene and its protein ULF were down-regulated in H1299 cell when transfected with ULF-siRNA,and ULF-siRNA-1 was the most effective one,which had the highest inhibition rate(80%)of ULF expression.Compared with negative control group,ULF-siRNA group showed an obvious apoptosis after treatment with etoposide,and the inhibition rate of was higher than control group,which was positively correlated with etoposide dose,the difference was statistically significant(P<0.05 ).Flow cytometry showed that compared with the control group,G0/G1 cell cycle in ULF-siRNA group was increased,and S phase cells was decreased,the differences were all statistically significant(P<0.05).Conclusion Down-regulation ULF protein expression through treatment with etoposide can induce apoptosis of non-small-cell carcinoma H1299 cells,and inhibit cell proliferation,which lead to cell cycle arrest.ULF gene may become the new target of gene therapy for cancer.
8.Application of light invasive treatment of endometrial in husband sperm intrauterine insemination patients
Shaoqin LI ; Xin LIU ; Fang LIAN ; Ting ZHANG
Chinese Journal of Postgraduates of Medicine 2015;38(2):97-99
Objective To discuss the effect of light invasive treatment of endometrial in husband sperm intrauterine insemination outcomes.Methods A total of 248 patients receiving husband sperm intrauterine insemination were divided into two groups by random digits table method.The patients in light invasive treatment of endometrial group (138 cases with 246 cycles) were performed with light invasive treatment of endometrial,and the patients in control group (110 cases with 201 cycles) were not perfomed with light invasive treatment of endometrial.Human chorionic gonadotropin day of endometrial thickness,intrauterine insemination tube placed successfully or not,whether fertilization tube bloody and clinical pregnancy rates and so on were compared between two groups.Results There was no significant difference in human chorionic gonadotropin day of endometrial thickness between two groups (P > 0.05).The success rate of intrauterine insemination tube placement in light invasive treatment of endometrial group was 78.5% (193/246),which was higher than that in control group (65.2%,131/201),and there was significant difference (P < 0.05).The intrauterine insemination tube bloody rate in light invasive treatment of endometrial group was 13.4% (33/246),which was lower than that in control group (34.8%,70/201),and there was significant difference (P < 0.05).The pregnancy rate in light invasive treatment of endometrial group was 31.9% (44/138),which was higher than that in control group (18.2%,20/110),and there was significant difference (P < 0.05).There were no significant differences in ectopic pregnancy rate and abortion rate between two groups (P > 0.05).Conclusion Through light invasive treatment of endometrial the husband sperm intrauterine insemination outcomes can be improved.
9.Application of case-based learning in course of Clinical Biochemistry and Diagnosis for medical ;postgraduates with professional degree
Songmei LIU ; Yongxiang PENG ; Xin ZHOU ; Fang ZHENG ; Jiancheng TU
Chinese Journal of Medical Education Research 2013;(12):1219-1222
Case-based learning model was applied in teaching the course of Clinical Biochem-istry and Diagnosis for postgraduates with professional degree. Dyslipidaemia was chose as teaching content and one distinctly characterized case along with four typical cases were selected. Information of cases and core problems were submitted to students to prepare before the class. In the class, stu-dents were grouped and discussed independently. Students put forward the pathogenesis of the disease and the clinical laboratory test items for diagnosis and differential diagnosis. Teachers should adhere to the following principles: making the class student-centered and highlighting consciousness of stu-dents; creating clinical environment to stimulate enthusiasm for learning; problem-oriented and taking capacity building as the priority. After the class, teaching evaluation was designed to promote the con-tinuous improvement of teaching cases.
10.Expressions of TGF-?1 and p21WAF1 in middle ear cholesteatoma and their significances
Jili LIU ; Wei ZHU ; Xin WANG ; Ning FANG
Journal of Jilin University(Medicine Edition) 2006;0(04):-
Objective To study the expressions of TGF-?1 and p21WAF1 in middle ear cholesteatoma and discuses their effects on cholesteatoma.Methods The expressions of TGF-?1 and p21WAF1 were determined by immunohistochemical S-P technology and computer image analysis in 20 specimens of cholesteatoma epithelium and 10 specimens of normal external canal skin.Results ① p21WAF1 and TGF-?1 could be detected in middle ear cholesteatoma and in normal ear canal skin.p21WAF1 was located at karyon,taking on yellow-brown pellet;TGF-?1 was located at cytoplasmic,taking on yellow-brown pellet.②The p21WAF1 positive rate in middle ear cholesteatoma was 65%;and there were almost no positive cells in normal external ear canal skin.p21WAF1 positive cells were detected in each layers,its LI was 28.9%?6.7%.Compared with normal ear canal skin,the expression level of p21WAF1 in middle ear cholesteatoma epithelium was higher than that in normal ear canal skin(P