1.Protective effects of artemisinin challenged with CpG DNA in mice
Chinese Journal of Clinical Pharmacology and Therapeutics 2000;0(03):-
AIM: To investigate the protective effects of artemisinin on mice and its inhibition effects on the release of pro-inflammatory cytokines challenged with CpG DNA. METHODS: A total of 60 mice of Kunming species were randomly divided into six groups. Animals received an intraperitoneal injection of D-galactosamine (D-Gal, 600 mg?kg -1) 1 hour prior to intravenous injection of CpG DNA. CpG DNA group received CpG DNA at 4 mg?kg -1 via caudal vein, artemisinin group were orally administered artemisinin at 200 mg?kg -1, CpG DNA plus artemisinin group first received artemisinin at 50, 100, and 200 mg?kg -1, respectively, then received CpG DNA at 4 mg?kg -1, and the control group received the saline only. The mortality was observed within seven days after injection. RAW 264.7 cell lines were cultivated in vitro and stimulated by CpG DNA to release TNF-? and IL-6, then various concentrations of artemisinin were administrated to observe its dose-dependent inhibitory effect, and artemisinin were also added at different time to observe the time-dependent effect. Contents of cytokines in culture supernatant were detected by ELISA. RESULTS: Different concentrations of artemisinin decreased the death of mice challenged with CpG DNA, and the mortality were dropped from 80% to 10% (P
4.Genetic analysis of a female child family with suspected X-linked recessive genetic disease
China Tropical Medicine 2023;23(2):210-
Objective Genetic analysis was performed on a female child with chromosome Xq28 heterozygous deletion and suspected X-linked recessive disease to determine the morbidity and prognosis. Methods A female child was admitted to the hospital on day 20 because of "jaundice for 20 days and difficulty in stopping bleeding at acupuncture sites". Low depth whole genome test of amniocentesis in late pregnancy suggested missing copy number of hemophilia A and X-linked mental retardation type 72. In order to further confirm the diagnosis and prognosis, peripheral blood of the children and their parents were collected for gene testing, chromosome inactivation test and genetic analysis. Results Chromosome Xq28 of the child had 439.4 kb copy number heterozygous deletion variation, which was a clear disease-coding gene for functional loss included in ClinGen database. Chromosome inactivation test showed that the paternal X chromosome of the child was extremely inactivated. Haplotype analysis suggested that the normal chromosome of the subject was inherited from the mother, and there was heterozygous deletion on the paternal X chromosome, so it was inferred that the child will not develop disease or just have mild symptoms. Conclusion It is necessary to analyze the X chromosome inactivation test for female patients with the pathogenic variation of X-linked recessive genetic disease to determine the possibility of the disease.
5.Clinical analysis of 162 cases with drug-induced liver disease
Hong TIAN ; Hong WEI ; Jun WANG
Chinese Journal of Primary Medicine and Pharmacy 2010;17(2):176-177
Objective To explore the control measures of drug induced liver disease.Methods The age,disease drugs,clinical manifestations,treatment and prognosis of 162 cases with drug induced liver disease were analyzed retrospectively.Results Drug induced liver disease incidence in different age groups are slightly more old age group,Lead to liver damage to many types of drugs,a common anti-TB drugs and other lipid-lowering medicine and Chinese herbal medicine and health drugs can not be ignored.Clinical performance of drug-induced liver disease is different,mostly had good prognosis after treatment,a few turn into cirrhosis,a very small number of fulminant hepatic failure or even death.Conclusion Avoid the use of the drug that may injure the liver,liver protection must also drugs should be regularly reviewed liver function.
7.Cultivation strategy and path analysis on big brand Chinese medicine for small and medium-sized enterprises.
China Journal of Chinese Materia Medica 2014;39(5):755-758
Small and medium-sized enterprises (SMEs) are important components in Chinese medicine industry. However, the lack of big brand is becoming an urgent problem which is critical to the survival of SMEs. This article discusses the concept and traits of Chinese medicine of big brand, from clinical, scientific and market value three aspects. Guided by market value, highlighting clinical value, aiming at the scientific value improvement of big brand cultivation, we put forward the key points in cultivation, aiming at obtaining branded Chinese medicine with widely recognized efficacy, good quality control system and mechanism well explained and meanwhile which can bring innovation improvement to theory of Chinese medicine. According to the characters of SMEs, we hold a view that to build multidisciplinary research union could be considered as basic path, and then, from top-level design, skill upgrading and application three stages to probe the implementation strategy.
China
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Drug Industry
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economics
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standards
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trends
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Drugs, Chinese Herbal
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economics
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standards
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Medicine, Chinese Traditional
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economics
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standards
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trends
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Plants, Medicinal
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growth & development
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Quality Control
8.The effect of cell activation and apoptosis by siRNA interference EZH 2 expression in human bladder cancer cells
Haifeng WANG ; Hong YANG ; Jun LI
Chongqing Medicine 2014;(20):2620-2623
Objective To investigate the effect of EZH2 knockdown on cell proliferation ,invasion ,migration and apoptosis in hu-man bladder cancer cell line by small interfering RNAs(siRNA) .Methods The siRNA-expressing plasmid targeting EZH2 gene was constructed and transfected into T24 cells .RT-PCR was used to detect the EZH2 gene′s expression at the level of mRNA ;pro-liferation ,invasion and migration of T24 cells were examed in vivo by MTT ,wound healing assay and Transwell chamber migration assay .Finally ,Annexin V-FITC/PI flow cytometric analysis was performed for cell apoptosis .Results The siRNA-expressing plas-mid targeting EZH2 gene successfully inhibited EZH2 gene’s expression in T24 cells .The expression of mRNA was significantly inhibited compared with negative control groups (P<0 .05) .After the transfection of the plasmid 48 hours ,the growth inhibition rate was 37 .9% ,which was higher than the negative control group(P<0 .05) .24 hours after wound healing ,the migration distance of transfected group cell was(1 .37 ± 0 .12) ,which was lower than the negative control group(P<0 .01) .Compared with the nega-tive control group ,invasion capability of EZH2-siRNA group was dropped by 67% (P<0 .01) .48 hours after transfection ,the early and secondary apoptosis rate of T 24 cells were 22 .80% and 3 .60% respectively ,which were higher than the negative contral group (P<0 .01) .Conclusion The siRNA interference EZH2 can significantly inhibit cell proliferation ,invasion and migration of T24 cells ,meanwhile promote its apoptosis .It provides a theoretical basis for further study of bladder cancer gene therapy .
9.Studies on the clinical feature and host immunity of HBV preC mutant in patientswith hepatitis B
Hong XIAO ; Fengbin WANG ; Jun XU
Chinese Journal of Immunology 1985;0(05):-
Abstract Objective: To study the relationshiop between the HBV pre-c mutant and the clinical the, the host immunity. Methods: Mu-tation specific PCR(msPCR) was employed for detecting pre-c mutant in 92 cases with HBV-DNA positive;T subpopulations were determinedby APAAP immune-bridge assay; the cytokines (TNF?、 sIL-2R ) levels by ELISA. Results: 57 cases had Pre-c mutant, the rate was ahaut 62 %;pre-c mutant existed popularly in different e systems status, mainly in anti-HBe(+) serum. The reat increased with the deterioration of liverfunction, and was highest in fulminant hepatitis, the percentage of CD4 T lymphocyte and the ratio of CD4/CD8 were aignificantly lower in mu-tational group than in wild group,but CD8 T lymphocyte was obviously higher, the quantity of sera TNF? and sIL-2R in mutational group wereobviously higher than in wild group, both groups were obviously higher than control group. Conclusion:PreC 1896 mutant existed popularly inpatients with HBV infection. There were more serious disturbance in host immunity in mutant group. The mutant may be associated with the pre-ssare of host immune system.The mutant type virus could provoke host immunity resulting in severe liver damage.
10.EFFECTS OF CALCIUM ON THE TIME COURSE AND POTENCY OF RELAXANTS
Aiguo WANG ; Hong ZHANG ; Jun LI
Medical Journal of Chinese People's Liberation Army 2001;0(10):-
To evaluate the effects of calcium on the time course and potency of depolarizing and non depolarizing relaxants, 12 ASA grade Ⅰ Ⅱ patients were randomly divided into two groups. After anesthesia, succinycholine was administered intravenous in a dose of 1mg/kg in group S and vecuronium was administered in a dose of 0 05mg/kg in group V, respectively. 5% calcium chloride 20ml dissolved in 100ml saline were intravenously injected at the same time. The concentration of blood calcium and neuromuscular function (TOF) were monitored. The results showed: (1) Both blood pressure and heart rate were increased in patients of two groups at 2 to 5min after calcium administration, and recovered to normal level 10min later. (2) The concentrations of blood total calcium and dissociated calcium were increased at 5min after calcium chloride administration and maintained to 10min. (3) The time of onset of effect of succinylcholine showed no changes, but the clinical action time and the recovery time were shortened after calcium administration. The recovery time of vecuronium was also obviously shortened by calcium chloride. It suggested that calcium can affect the time course and potency of both depolarizing and non depolarizing relaxants.