1.Mechanism of Primary Hepatic Carcinoma
Journal of Environment and Health 2007;0(11):-
Primary hepatic carcinoma is one of the high incidence malignant tumors and the mortality ranked the second in the death caused by malignant tumors in China. The research progress on the epidemiology of primary hepatic carcinoma, the related environmental factors(virus, parasite, bacterium infected, aflatoxin ingested, drinking water pollution, smoking and drinking alcoholic beverages) and genes were reviewed and the mechanism of primary hepatic carcinoma was discussed in the present paper.
2.Effects of high glucose and insulin on the mRNA expressions of TGF-β1 , and TIMP-1 of hepatic stellate cells in rat
Journal of Chinese Physician 2016;18(8):1194-1197
Objective To explore the mechanism of diabetic hepatic fibrosis by observing effects of high glucose and insulin on expressions of transforming growth factor beta 1 (TGF-β1) and tissue inhibitor of metalloproteinase (TIMP-1) mRNAs of hepatic stellate cell (HSC) in rat.Methods Hepatic stellate cell lines in vitro were administrated by different dose of glucose without insulin and glucose with insulin for 72 h,and mannitol was chosen as hyperosmosis control group.Real time fluorescent quantitation polymerase chain reaction (RT-FQ-PCR) was used to determine expressions of TGF-β1 and TIMP-1 mRNAs of HSC in each group.Results Expressions of TGF-β1 and TIMP-1 mRNAs of HSC in each group could be detected and showed no significant difference among groups (P > 0.05).However,in general,expression of TGF-β1 mRNA in glucose with insulin group decreased and TIMP-1 mRNA increased.Conclusions The mRNA expressions of TGF-β1 and TIMP-1 in HSC could not be induced by high glucose alone,high dose of insulin may increase expressions of HSC TIMP-1 and reduce TGF-β1 expression.The main mechanisms of diabetic hepatic fibrosis may not be TGF-β1 pathway but be closely related to TIMP-1 pathway.
4.Establishment of restriction landmark genome scanning for detection of genomic DNA methylation of tissues
Yun QIN ; Da-Jun DENG ; Li YU ;
Chinese Journal of Laboratory Medicine 2003;0(09):-
50 000 bp)was extracted from frozen gastric cancer tissue and their corresponding normal samples and used for RLGS assay.The genome DNA was digested by methylation-sensitive restriction enzyme Not Ⅰ, and labeled by radioisotope ~(32)p,then separated by two-dimensional electrophoresis and autoradiography. Experimental conditions for each step were optimized step by step.DNA fragment sequences for the dots on scanning profile were identified according to the human RLGS database.Results RLGS assay was set up and used to get the RLGS profiles of the representative tested samples successfully.These profiles can display more than 1 200 available dots averagely,the profiles of high quality DNA sample can display more than 1 800 dots which is the average level at an excellent RLGS lab,discrepant dots which had weaken or enhanced signals and their sequence information were obtained.The result can be reproduced.Conclusion The RLGS assay is established,stabilized for detection of DNA methylation of tissue samples.
5.Content Determination of Chlorogenic Acid in Different Dosage Forms of Qingkailing Preparation by RP-HPLC
Xiaoling CAI ; Yiqiang QIN ; Jungang DENG
China Pharmacy 2007;0(31):-
OBJECTIVE: To establish RP-HPLC method for the content determination of chlorogenic acid in 3 kinds of dosage forms of Qingkailing preparation. METHODS: SinoChrom ODS-AP C18(250 mm?4.6 mm, 5 ?m) column was adopted and the mobile phase consisted of methnol-water-acetic acid (25 ∶ 75 ∶ 0.5) at the flow rate of 1.0 mL?min-1. Column temperature was set at 30 ℃ and the detection wavelength was set at 327 nm. RESULTS: The linear range of chlorogenic acid was 3.81~152.50 ?g?mL-1(r=0.999 8), and the average recoveries of the capsules, granules and dripping pills were 99.03%(RSD=2.02%), 99.35%(RSD=1.16%),98.11%(RSD=1.51%). CONCLUSION: The method is sensitive, simple and accurate for the quality control and content determination of 3 kinds of Qingkailing preparations.
6.Preliminary clinical significance of determination for serum insulin-like growth factor binding protein-3 protease activity
Shuwen QIN ; Yifan SHI ; Jieying DENG
Chinese Journal of Endocrinology and Metabolism 1986;0(03):-
Objective To evaluate the clinical significance of determination for serum insulin like growth factor binding protein 3 (IGFBP 3) protease activity. Methods Serum IGFBP 3 protease activity in normal persons, parturient pregnant women, acromegalic patients and patients with growth hormone deficiency (GHD) was determined by Western blot technique. Results Serum IGFBP 3 protease activity in parturient pregnant women, acromegalic patients,normaladultsanduntreatedGHDpatientswere (75.2?2.2)%, (68.6?3.9)%, (22.7?3.1)% and (13.4?4.2)% respectively. Serum IGFBP 3 protease activity in GHD increased to (29.0?6.8)% after treatment with recombining human somatropin (rhGH) for six months. Conclusions Serum IGFBP 3 protease activity is modulated by GH and affects serum levels of members of GH IGF Ⅰ axis.
7.Study on Mechanism of Effects of Total Flavone of Rhizoma Drynariae on Osteoblasts Cultured in Vitro
Yanming XIE ; Linlin QIN ; Wenlong DENG
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(03):-
Objective: To study the mechanism of effect of total flavone of rhizoma drynariae in groups with different dosage on osteoblasts cultured in vitro. Methods: To culture osteoblasts with UMA-106-01 osteoblast strain and to observe the activity of ALP and the endosmosis of 3H-TdR. Results: The total flavone of rhizoma drynariae increased the activity of ALP in cells cultured with UMR-106-01 strain. The ALP activities correspondingly changed in the 24h, 48h and 72h, which related to dosage effect and time effect. Among them, the activity in the 48h is the most ideal one. And the amount of endosmosis of the total flavone of rhizoma drynariae to 3H-TdR increased more remarkably in the 48h than that in the 24h and it also related to the time effect. Conclusion: The total flavone of rhizoma drynariae can promote the differentiation and multiplication of osteoblasts.
8.A Comparison of Therapeutic Effect and Safety of Bisoprolol and Carvedilol in Treatment of Chronic Congestive Heart Failure
Guolan DENG ; Jing FENG ; Jian QIN
China Pharmacy 2001;0(11):-
OBJECTIVE:To compare the therapeutic effect and safety of Bisoprolol and Carvedilol in the treatment of chronic congestive heart failure(CHF).METHODS:40 patients with CHF,who had received conventional anti-HF therapy UCG determination of left ventricular ejection fraction(LVEF)
9.Coaprovel vs.Hyzaar for 24 h Ambulatory Blood Pressure in Patients with Essential Hypertension
Guolan DENG ; Rui XIANG ; Jian QIN
China Pharmacy 2007;0(35):-
0.05).CONCLUSION:Both group showed approved antihypertensive efficacy,with Coaprovel group showing higher efficacy than in Hyzaar group;and both group showed improvement in allorhythmia.Both group showed low incidences of adverse effect but good tolerance.
10.Influence of early operation treatment for snoring children on intelligence development
Weinan CHEN ; Xinglong QIN ; Lifang DENG
Chinese Journal of Primary Medicine and Pharmacy 2014;21(1):12-13
Objective To explore the early surgical treatment for sleep apnea in children with the influence of mental development,provide important basis for children with sleep apnea early surgery.Methods 40 children with sleep apnea underwent bilateral amygdala and/or adenoidectomy (observation group).The Chinese wechsler intelligence scale for children (C-WYCSI) was used for preoperative and postoperative 6 months of intelligence tests,including language IQ and operation IQ test two parts,a total of 11 points.Operation IQ but also contain visual analysis test(VA) and two categories,including geometry test (GD).According to the 1 ∶ 1 matching selection of the same gender,and age(± 3 months),family condition was quite healthy check-up preschool children comparing 40 cases as control group.Results Observation group preoperative total intelligence quotient (IQ),verbal IQ,IQ operation was 82,81,83,respectively,which were lower than those of the control group 101,101,101 (t =4.131,3.952,3.842,all P < 0.05).Postoperative total intelligence quotient(IQ),verbal IQ and operation IQ 98,98,99,respectively,were in normal range,with no statistically significant difference were observed in the control group (all P > 0.05).Conclusion Children with sleep apnea early surgical treatment can improve children mental development.Children with sleep apnea early,breathing and surgical indications should be early surgical treatment.