1.Podocyte and proteinuria.
Chinese Journal of Pediatrics 2004;42(10):753-755
2.Cultural Conditions for Production of Glutathione by Mutant Saccharomyces J-X25
Yun XIAO ; Ji-Yang XU ; Ning JING ;
China Biotechnology 2006;0(07):-
The production conditions of glutathione with shaking flask fermentation by the mutant Saccharomyces J-X25, a methionine-defected strain were studied, and the optimum culture conditions are as follows: initial pH6. 0, temperature 30℃, 100ml in 500ml flask, the inoculum size 10% and agitation rate 220r/min. The emphasis was on the stimulating effect on the cells by dioxogen and the sodium lactate as surfactant. Both of which were added at the logarithmic phase of fermentation, and the GSH production was up to 0. 253g/L , 52% higher than the control without the additions. Compared with the production of GSH initial strain that by the mutant in optimum conditions was increased by 79%.
4.Influencing factors for fungal infection in hospitalized patients with ac-quired immunodeficiency syndrome
Zhaoyun XIE ; Yun XIONG ; Jing SUN ; Yang HU ; Zhongling YANG
Chinese Journal of Infection Control 2017;16(7):643-646
Objective To analyze the influencing factors for fungal infection in hospitalized patients with acquired immunodeficiency syndrome(AIDS),and provide basis for taking preventive and control measures.Methods Clini-cal data of 112 inpatients with AIDS in a tertiary first-class hospital from January 2010 to October 2015 were ana-lyzed retrospectively,related risk factors were analyzed in patients with fungal infection,univariate analysis was performed byχ2 or t test,and multivariate analysis was performed by logistic regression analysis.Results Among 112 AIDS inpatients,41 (36.61%)had fungal infection.Candida albicans was the main pathogen (n=52, 76.74%)and was mainly isolated from lower respiratory tract (n=29,42.65%).Univariate analysis showed that invasive procedures,duration of antimicrobial use,combined antimicrobial use,and decreased CD4+ T lymphocyte count in peripheral blood were risk factors for fungal infection in AIDS inpatients(all P<0.05),while oral cleaning care and systemic antiviral therapy were protective factors for fungal infection(all P<0.05);multivariate analysis showed that decreased CD4+ T lymphocyte count in peripheral blood(OR,1.017[95% CI,1.009-1.025])and combined antimicrobial use(OR,3.975[95%CI,1.093-14.448])were independent risk factors for fungal infection in AIDS inpatients,while systemic antiviral therapy was independent protective factor for fungal infection (OR, 0.288[95%CI,0.099-0.841]).Conclusion There are many factors influencing fungal infection in AIDS patients, rational use of antimicrobial agents,systemic antiviral therapy,and increasing serum albumin concentration are main methods to prevent fungal infection,avoid unnecessary invasive procedures and application of preventive antifungal therapy for high-risk patients are also effective to prevent fungal infection.
5.Regulation mechanism of autophagy-related protein LC3 by c-Jun in methotrexate resistant human choriocarcinoma JEG-3 cells
Yun SHEN ; Yang XIANG ; Changji XIAO ; Jing ZHAO
Chinese Journal of Obstetrics and Gynecology 2014;(7):531-535
Objective To explore the regulation mechanism of autophagy-related protein, microtubule-associated protein 1 light chain 3 (LC3), via c-Jun in methotrexate resistant human choriocarcinoma JEG-3 cell lines. Methods Human choriocarcinoma JEG-3 cell lines, and methotrexate resistant choriocarcinoma JEG-3 (JEG-3/MTXR) cell lines were used in our present study. Phosphorylation c-Jun (p-c-Jun) was evaluated after exposure to 0.02 ng/ml methotrexate for 72 hours in both cells by western blot. c-Jun gene was knockdown by small interference RNA (siRNA) in JEG-3/MTXR cells, and LC3 was evaluated by western blot and reverse transcription-PCR. The binding of LC3 promoter with c-Jun protein was detected via chromatin immunoprecipitation assay (ChIP) with or without 0.02 ng/ml methotrexate exposure. Results The results showed that p-c-Jun was up-regulated after methotrexate treatment for 72 hours (1.99±0.20, versus 0.20±0.06 at 0 hour;P<0.05) by western blot analysis in JEG-3/MTXR cell lines. Further investigation demonstrated that c-Jun-siRNA could inhibit the up-regulation of LC3 formation and after methotrexate exposure (LC3 mRNA:1.24±0.17 versus 3.03±0.43;LC3 protein:0.52±0.07 verus 1.20± 0.15; all P<0.05). The binding of LC3 promoter by c-Jun protein was up-regulated after methotrexate treatment by the method of ChIP in methotrexate resistant JEG-3/MTXR cells [(2.95 ± 0.35) times]. Conclusion Autophagy-related gene LC3 expression regulated by c-Jun protein may be involved in the effect mechanism of the development of methotrexate resistance in choriocarcinoma JEG-3 cells.
6.Practical consideration on vascular patterns in pathologic diagnosis of central nervous system tumors.
Jing ZHOU ; Guo-yi YANG ; Nan-yun LI
Chinese Journal of Pathology 2011;40(9):641-644
Astrocytoma
;
blood supply
;
pathology
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Capillaries
;
pathology
;
Central Nervous System Neoplasms
;
blood supply
;
pathology
;
Diagnosis, Differential
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Ependymoma
;
blood supply
;
pathology
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Glioblastoma
;
blood supply
;
pathology
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Hemangioblastoma
;
blood supply
;
pathology
;
Humans
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Hyperplasia
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Microvessels
;
pathology
;
Neoplasms, Neuroepithelial
;
blood supply
;
pathology
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Oligodendroglioma
;
blood supply
;
pathology
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Paraganglioma
;
blood supply
;
pathology
7.A molecular biology study on the microorganism within teeth with failed root canal therapy
Huibin SUN ; Jing DENG ; Yun WANG ; Kun YANG
Journal of Practical Stomatology 2010;26(1):96-99
Objective: To examine the microbial flora within the root canals with failed root canal therapy by PCR test, to identify detection rate of bacteria and the predominant bacteria species, and to determine the association of the various species with clinical features. Methods: Forty roots with failed root canal therapy were selected for this study. According to clinical features the roots were divided into three groups: pain, fistula and symptomless. After removal of the root filling material, the microbial samples were taken from the canal and detected by PCR test. Results: The microbial flora within root canals of teeth with failed root canal therapy was found to be mixed, six kinds of bacteria were detected. Enterococcus faecalis was the most commonly recovered bacteria species. Significant associations were observed between Prevotella nigrescens and pain, while dependablity was observed between Actinomyces israelii and fistula. Conclusion: The main cause of root canal treatment failure is the persistent microorganisms. The composition of bacteria in teeth with failed root canal therapy has its own specificity.
8.Effect of xingding injection on platelet coagulation and fibrinolysis activity in patients with advanced stage chronic pulmonary heart disease.
Bi-yun SUN ; Jing-lin YANG ; Xue-ying CHEN
Chinese Journal of Integrated Traditional and Western Medicine 2004;24(2):154-155
Aged
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Aged, 80 and over
;
Drugs, Chinese Herbal
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therapeutic use
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Female
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Fibrin Fibrinogen Degradation Products
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metabolism
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Fibrinolysis
;
drug effects
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Glycoproteins
;
blood
;
Humans
;
Injections
;
Male
;
Middle Aged
;
Phytotherapy
;
Plasminogen Activator Inhibitor 1
;
blood
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Platelet Aggregation
;
drug effects
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Pulmonary Heart Disease
;
blood
;
drug therapy
;
Tissue Plasminogen Activator
;
blood
9. Preparation process of lipid-lowering medicines by solid state fermentation of Crataegi Fructus, Alismatis Rhizoma, and Cassiae Semen mixed with monascus
Chinese Traditional and Herbal Drugs 2016;47(12):2100-2107
Objective: To obtain a new lipid-lowering product that combines the advantages of lipid-lowering Chinese materia medica (CMM) and statin drugs. Solid-state fermentation was studied using medicinal and edible CMM as media components, Lovastatin yielding monascus screened in our laboratory was used as strain and Lovastatin yielding was used as index. Methods: Solid-state fermentation was optimized by single factor and orthogonal test, qualitative and quantitative analysis was conducted of the product via TLC and HPLC. Results: The optimal fermentation conditions contained 100 g/solid medium in 500 mL flask bottling capacity, material thickness of 2.5 cm, 10 mL liquid seed of 48 h, 10% inoculation volume, incubating at 30℃, breaking up the medium on day 2, adding 24% sterile water on day 3, cooling to 25℃ and culturing for 18 d in total, and Lovastatin yielding was up to 5.127 mg/g. Fermentation product of CMM contained more components compared with that without medicines, Lovastatin yielding increased by 42.27%, but γ-aminobutyric acid yielding decreased by 17.89%. Contents of main active ingredients ursolic acid, 2,3-acetyl alisol-B, chrysophanol, and physcion were increased by 232.7%, 173.7%, 767.6%, and 888.4%. Conclusion: Active ingredients of hawthorn, alisma, and cassia are released into the products after fermentation and contents of lipid-lowering active ingredients were improved significantly, new active ingredients are also noticed. Therefore, the fermentation process of lipid-lowering medicines obtained in this experimental study has some practical values.
10. Lipid regulating effect of mixture fermentation products of Crataegi Fructus, Alismatis Rhizoma, and Cassiae Semen with Monascus purpureus on hyperlipidemic rats
Chinese Traditional and Herbal Drugs 2017;48(7):1369-1373
Objective: To explore the lipid regulating effect of fermentation product of Crataegi Fructus, Alismatis Rhizoma, and Cassiae Semen on hyperlipidemic rats. Methods: SD rats were fed with high fat diet and established as hyperlipidemia animal model, the subjects were divided into six groups: control group, model group, positive control group, fermentation product prevention group, red yeast rice group, and fermentation product treatment group. After four weeks continuous oral administration, the effect of different medicine samples on serum triglyceride (TG), total cholesterol (TC), low density lipoprotein cholesterol (LDL-C), and high density lipoprotein cholesterol (HDL-C) of hyperlipidemic rats were observed to assess the regulation effect. Results: Four weeks' continuous oral administration could regulate the TC, TG, LDL-C levels significantly lower (P < 0.001) and HDL-C level significantly increased (P < 0.05) in the prevention group compared with the model group. After modeling, continuous administration for four weeks, compared with the levels before giving medicines, TC, TG, LDL-C levels of positive control group and fermentation product treatment group were significantly regulated lower (P < 0.05, 0.01) and HDL-C level significantly increased (P < 0.05, 0.01). while the only TC and LDL-C levels in red yeast rice group showed significant effect. Conclusion: Product of lipid-lowering traditional Chinese medicines (TCMs) treated by solid-state fermentation with Monascus purpureus could effectively inhibit the formation of foodborne hyperlipidemia, as well as control and regulate hyperlipidemia, and synergistic effect also appeared between ingredients from TCMs and lovastatin.