1.Effects of physiological testosterone on transcription factor activity in human umbilical vein endothelial cells.
Hong JIN ; Wen-Bing QIU ; Geng PENG
Chinese Journal of Applied Physiology 2008;24(3):347-376
Cells, Cultured
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Flutamide
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pharmacology
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Human Umbilical Vein Endothelial Cells
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cytology
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drug effects
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metabolism
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Humans
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Proto-Oncogene Proteins c-myb
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metabolism
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Sp1 Transcription Factor
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metabolism
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Testosterone
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antagonists & inhibitors
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physiology
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Transcription Factors
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metabolism
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Tumor Suppressor Protein p53
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metabolism
2.Analysis on the knowledge of non-communicable disease among general practitioners in the community
Yan QIU ; Ying LIU ; Wen REN ; Bing WANG ; Jingjing REN
Chinese Journal of Health Management 2016;10(3):188-191
Objective To better promote the health education and health promotion among patients with chronic disease, general practitioners (GPs) in the community should master the knowledge of non-communicable diseases (NCDs). This paper aimed to describe the current situation of GPs' knowledge about prevention and treatment of NCDs. Methods Self-designed questionnaires were issued to 1 077 GPs in community health service centers, and all GPs finished the questionnaire without assistance. The content of questionnaire includes the general information of GPs and six questions focusing on NCDs. Results Overall, 1 076 GPs completed the questionnaire, and the response rate was 99.9% (1 076/1 077). With regard to the six questions about NCDs, 90.4% (973/1 076) of GPs were well aware of the diagnosis of hypertension. Apart from that, the knowledge of diabetes mellitus (60.9%, 655/1 076), factors related to NCDs (70.2%, 755/1 076), the concepts of mental illness (52.0%, 560/1 076) and the clinical significance of tumor markers (87.9%, 946/1 076) among GPs were adequate, while more than half of the GPs did not know a lot about home oxygen therapy. Conclusion The mastering level of knowledge about prevention and treatment of NCDs among GPs varies that they need further improvement.
3.Research on performance evaluation index system for the innovative medical devices transforming project in Zhejiang Province
Xin WEN ; Ling JIANG ; Zhijun XIA ; Qifeng ZHANG ; Fei ZHU ; Xiaoli QIU ; Bing QIAN
Chinese Journal of Medical Science Research Management 2016;29(3):185-188
Objective Establish an overall performance evaluation index system for innovative medical devices transforming project,a major science and technology project in Zhejiang province.Methods The weight of indexes was calculated using Delphi method,analytic hierarchy process and weight of percentile method.Results A three-level performance evaluation index system was established.First level included 3 indexes,as condition index,process index and result index,with weight of 0.3401、0.4042 and 0.2557 respectively.Meanwhile,second level and third level included 13 and 38 indexes.Conclusions The index system provide a performance evaluation tool for the innovative medical devices transforming project.
4.Two-step Tandem Chromatography Purification of Anti-human CD80 Monoclonal Antibody 4E5 from Mouse Ascites
Hong-Bing MA ; Yu-Hua QIU ; Ran TAO ; Wen-Xiang LI ; Ying XU ; Xue-Guang ZHANG ;
China Biotechnology 2006;0(08):-
A two-step method for the purification of blocking-type anti-human CD80 monoclonal antibody 4E5 from mouse ascites was developed using anion exchange and gel filtration in combination. The ascites was first purified by anion exchange after centrifugation and filtration. The experimental parameters of sample loading and elution were optimized. The optimized loading condition was pH 8.0,50 mmol/L Tris-HCl and satisfactory results were obtained using a 0~0.5mol/L NaCl step elution. The fraction containing the protein of interest was directly loaded on gel filtration column and eluted using a 20 mmol/L phosphate buffer at pH 7.2. The purity of the obtained monoclonal antibody was up to 95% with a recovery of 61%. The purity of mAb could efficiently inhibit the growth of Daudi cells. The amplification of the method was also studied using a Bio-Scale Q5 column and the result was satisfied.
5.Clinical observation on effect of yiqi yangyin principle on corticosteroid withdrawal in patients with systemic lupus erythematosus at remission stage.
Zhu-xiu GUO ; Wen-qiu YU ; Bing-hang SONG
Chinese Journal of Integrated Traditional and Western Medicine 2002;22(3):172-174
OBJECTIVETo observe the therapeutic effect of Yiqi Yangyin principle (YQYY, the treating principle in TCM to supplement Qi and nourish Yin) on corticosteroid withdrawal in patients with systemic lupus erythematosus (SLE) in remission stage and its influence on some immune parameters.
METHODSThe SLE patients were divided into two groups, 30 in the treated group and 10 in the control group, who were treated by conventional method with corticosteroids and/or immunosuppressant in acute progressive stage, and YQYY was added to the treated group in remission stage.
RESULTSThe total effective rate was 93.3% in the treated group and 90.0% in the control group, comparison between the two groups showed significant difference by Ridit test (P < 0.05). The immune parameters, IgG and C3 were significantly improved after treatment in the treated group (P < 0.01), but changed insignificantly in the control group. The maintaining dose of prednisone used in the two groups was 7.08 +/- 5.26 mg/d and 11.72 +/- 6.48 mg/d respectively, the amount used in the treated group was significantly lower than that in the control.
CONCLUSIONUsing mainly YQYY Principle to treat SLE in remission stage could withdraw the corticosteroid smoothly, relieve symptoms and improve immune function.
Adolescent ; Adult ; Child ; Complement C3 ; metabolism ; Drugs, Chinese Herbal ; therapeutic use ; Female ; Humans ; Immunoglobulin G ; blood ; Lupus Erythematosus, Systemic ; drug therapy ; Male ; Middle Aged ; Phytotherapy ; Prednisone ; adverse effects ; therapeutic use ; Substance Withdrawal Syndrome ; drug therapy
6.Effects of ouabain at low concentrations on growth of leukemia cells.
Min WANG ; Run-Ming JIN ; Yi-Ning QIU ; Wen LIN ; Bing MENG
Journal of Experimental Hematology 2007;15(6):1165-1168
This study was aimed to investigate the effects of ouabain at low concentrations on growth regulation in various leukemia cell lines and to determine the therapeutic potential of ouabain in leukemia. By using MTT, flow cytometry (FCM), the changes in cell growth and cell cycle of leukemia cell lines were observed after treating with ouabain at low concentrations (
7.Experimental study of the effect of chitosan on the capsule inside the expanded flap.
Yan YAN ; Shu-Lin QIU ; Guo-Hua CHU ; Wen-Zhe GUO ; Bing LI ; Sheng HAN
Chinese Journal of Plastic Surgery 2009;25(5):381-384
OBJECTIVETo investigate the effect of chitosan on the capsule inside the expanded flap.
METHODSThe expanders were implanted in animals with the treatment of chitosan(experimental group, n = 15) or without (control group, n = 15). After taking out the expanders, the flap contraction rate was calculated. The samples were observed through HE, Masson dyeing and CD34 immunohistochemical study. The thickness of capsule inside the expanded flap was measured under microscope. The samples were also studied under electron microscope.
RESULTSThe thickness of capsule was 516.000 +/- 128.491 microm in the experimental group, and 833.000 +/- 227.379 microm in the control group (P < 0.05). The number of microvessels was 8.200 +/- 2.150 per visual in experimental group, and 7.900 +/- 1.729 per visual in control group (P > 0.05). Under the electron microscope, the rough endoplasmic reticulum (RER) in the capsule in experimental group decreased and enlarged with degranulation. The mitochondria emerged or disappeared. The number of ribosome was reduced. In the control group, the RER enlarged without degranulation, the mitochondria was intact. The number of ribosome was not reduced.
CONCLUSIONSThe chitosan can effectively reduce the contraction of expanded flap through collagen secretion of fibroblast, delaying the differentiation from fibroblast to fiber cell, inhibiting thansform from fibroblast to myofibroblast. It has no effect on the microvascular generation and expansion, so the flap blood supply will not be affected with thicker capsule.
Animals ; Chitosan ; administration & dosage ; pharmacology ; Female ; Graft Survival ; Male ; Rabbits ; Skin Transplantation ; methods ; Surgical Flaps ; Tissue Expansion
8.Experiment on pruning of Cistanche deserticola inoculated in artificial Haloxylon ammodendron forest.
Bing-wen LI ; Zhong-liang ZHANG ; Gui-fen WANG ; Jing WANG ; Yong-zhi QIU ; Sheng-yu LI ; Zheng-zhong JIN ; Cong-juan LI ; Bo XU
China Journal of Chinese Materia Medica 2015;40(6):1086-1090
At present, the objective of cutting and pruning Cistanche deserticola is to harvest in successive years and enhance the harvesting yield and quality of C. deserticola in the process of the artificial cultivating C. deserticola. An experiment was conducted focusing on cutting and pruning C. deserticola in artificial forests of Haloxylon ammodendron drip-irrigated with saline water at the hinter-land of the Taklimakan desert, according to different growth stages and lengths. The results were following: (1) The effect of cutting on C. deserticola was similar to that of pruning, which resulted in three kinds of morphological types, not related to the bloom and size of C. deserticola. (2) The growth forms were diversified after pruning. Among them, there had sprouting new body, died or maintaining life with no sprouting, mildewed on its surface layer, etc. However, some of new bodies were sprouting from the lower part of the old body. The death rate of bloomed C. deserticola was higher than that of the underground, and the death rate of the 40 cm in stubble height for C. deserticola was higher than those with the stubble height of 20 cm and 5 cm. (3) Most of the diameter of living C. deserticola after pruning was increasing, but some of them changed little. (4) The mildew and rot of C. deserticola and the broken of the roots of the H. ammodendron and the fallen of the point of the inoculated when it was dug, which would cause the death of the C. deserticola. On the other, the yield-increasing effect and the economic benefit of the techniques of the pruning of Cistanche would need further research and evaluate. Therefore, the application of this technique needs to be cautious.
Amaranthaceae
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growth & development
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Cistanche
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growth & development
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Forests
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Fruit
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growth & development
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Plant Roots
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growth & development
9.Testosterone alleviates tumor necrosis factor-alpha-mediated tissue factor pathway inhibitor downregulation via suppression of nuclear factor-kappa B in endothelial cells.
Hong JIN ; Wen-Bing QIU ; Yi-Fang MEI ; Dong-Ming WANG ; Yu-Guang LI ; Xue-Rui TAN
Asian Journal of Andrology 2009;11(2):266-271
We have observed earlier that testosterone at physiological concentrations can stimulate tissue factor pathway inhibitor (TFPI) gene expression through the androgen receptor in endothelial cells. This study further investigated the impact of testosterone on TFPI levels in response to inflammatory cytokine tumor necrosis factor-alpha (TNF-alpha). Cultured human umbilical vein endothelial cells were incubated in the presence or absence of testosterone or TNF-alpha. TFPI protein and mRNA levels were assessed by enzyme-linked immunosorbent assay and quantitative real-time reverse transcription polymerase chain reaction. To study the cellular mechanism of testosterone's action, nuclear factor-kappa B (NF-kappaB) translocation was confirmed by electrophoretic mobility shift assays. We found that after NF-kappaB was activated by TNF-alpha, TFPI protein levels declined significantly by 37.3% compared with controls (P < 0.001), and the mRNA levels of TFPI also decreased greatly (P < 0.001). A concentration of 30 nmol L(-1) testosterone increased the secretion of TFPI compared with the TNF-alpha-treated group. NF-kappaB DNA-binding activity was significantly suppressed by testosterone (P < 0.05). This suggests that physiological testosterone concentrations may exert their antithrombotic effects on TFPI expression during inflammation by downregulating NF-kappaB activity.
Androgens
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pharmacology
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Cells, Cultured
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Down-Regulation
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drug effects
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Drug Combinations
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Endothelium, Vascular
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drug effects
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metabolism
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Humans
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Infant, Newborn
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Lipoproteins
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genetics
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metabolism
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NF-kappa B p50 Subunit
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antagonists & inhibitors
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genetics
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RNA, Messenger
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metabolism
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Testosterone
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pharmacology
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Tumor Necrosis Factor-alpha
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pharmacology
10.Study on chromatogrqphic fingerprint of qingying injection.
Wen-yu FENG ; Hua-rong QIU ; Ji TIAN ; Jun DU ; Bing HE
China Journal of Chinese Materia Medica 2004;29(2):141-146
OBJECTIVETo establish the fingerprint detecting standard of Qingyin injection.
METHODBy adopting GC and HPLC, camphor and chlorogenic acid were used as reference material. To analyze separately Qingyin injection which contains volatile and non-volatile chemials. According to the technical requirements of fingerprint on Injection of Chinese traditional medicine, we calculated their bn relative retention time and area proportionality of peaks to determine the common peaks of fingerprint.
RESULTOn the basis of systematic methodalogy, we tested and analyzed 13 batches of sample injection so as to establish GC and HPLC fingerprint of the injection.
CONCLUSION15 common peaks on GC and 6 common peaks as well as their retention time and area proportionality on HPLC can be used as the important parameters of the quality control for Qingyin injection.
Artemisia annua ; chemistry ; Chromatography, Gas ; Chromatography, High Pressure Liquid ; methods ; Drug Combinations ; Drugs, Chinese Herbal ; administration & dosage ; chemistry ; isolation & purification ; Injections ; Lonicera ; chemistry ; Quality Control