1. Establishment of a rabbit carotid atherosclerosis model by injection of Helicobacter pylori
Academic Journal of Second Military Medical University 2010;31(1):37-41
Objective: To establish a carotid arteriosclerosis model with New Zealand white rabbit by intravenous infusion of Helicobacter pylori (Hp), so as to lay a foundation for further investigating the relationship between Hp and carotid arteriosclerosis. Methods: Eighteen New Zealand white rabbits were fed with high fat diet for six weeks; six of them were randomly chosen and sacrificed; the other twelve were evenly randomized into control group and experimental group. Animals in the experimental group were injected with 0.5 ml Sydney Strain 1(4x108 CFU) into the ear vein once a day for three days, and animals in the control group received normal saline in the same manner. All the animals were sacrificed on the eighth week. The blood lipid, carotid intima-media thickness (IMT), and plaque formation were observed before and 6,8 weeks after the intervention. The animals were sacrificed by air embolism and the carotid specimens were collected. The morphology of the blood vessels and the presence of plaque were observed with naked eye. HE staining was used to observe the blood vessel diseases and intima thickness. Results: All the animals survived, and hyperlipidemia rabbit models were successfully established after 6-week feeding with high fat diet. The blood lipid level, carotid IMT, and blood vessel intima thickness were significantly increased in the experimental group compared with those in the control group at the eighth week(P< 0.05). More prominent atherosclerosis was noted in the experimental group compared with the control group on the eighth week. Conclusion: Carotid arteriosclerosis model can be successfully established by intravenous injection of Hp in rabbits with hyperlipidemia.
2.Treatment of rheumatoid arthritis by Yangxue Tongluo Recipe combined with immunosuppressive agents: a clinical observation.
Chinese Journal of Integrated Traditional and Western Medicine 2014;34(3):276-278
OBJECTIVETo observe the therapeutic effect of Yangxue Tongluo Recipe (YTR) combined with immunosuppressive agents in the treatment of rheumatoid arthritis (RA).
METHODSTotally 88 RA patients were randomly assigned to the treatment group [47 cases, YTR combined Methotrexate (MTX) + Leflunomide (LEF) treatment] and the control group (41 cases, MTX + LEF therapy). All patients received 12-week treatment. Clinical symptoms and signs, laboratory tests [erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and C reactive protein (CRP)], and adverse reactions were observed before and after treatment.
RESULTSThe total effective rate was 91.5% (43/47 cases) in the treatment group, and the total effective rate was 75.6% (31/41 cases) in the control group. There was statistical difference between the two groups (P < 0.05). The morning stiffness, the rest pain, the number of tender joints, the number of swollen joints, tender joint index, swollen joint index, ESR, RF, and CRP were significantly improved in the two groups after treatment (P < 0.01). Besides, clinical symptoms and signs, ESR, RF, and CRP were more improved in the treatment group after treatment, when compared with those in the control group (P < 0.05). Gastrointestinal discomfort was the main adverse reaction in the two groups, but the occurrence was lower in the treatment group than in the control group (P > 0.05).
CONCLUSIONSThe clinical efficacy of YTR combined MTX + LEF in the treatment of RA was better than using Western medicine alone. It was more safe with less adverse reactions.
Adult ; Antirheumatic Agents ; therapeutic use ; Arthritis, Rheumatoid ; drug therapy ; Drug Therapy, Combination ; Drugs, Chinese Herbal ; therapeutic use ; Female ; Humans ; Immunosuppressive Agents ; therapeutic use ; Male ; Methotrexate ; therapeutic use ; Middle Aged ; Phytotherapy ; Treatment Outcome
4.Correlation Study of Galectin-3 and Soluble ST2 Levels in Heart Failure Diagnosis
Xiaoxiao XU ; Ruyi JIA ; Tao WANG ; Qiang LIU ; Zhen ZHEN
Chinese Circulation Journal 2016;31(9):866-869
Objective: To study the correlations between galectin-3, soluble ST2 (sST2) levels and chronic heart failure (CHF) classiifcation, traditional HF indicator and short-term death in relevant patients. Methods: This research included 2 groups: CHF group, containing 142 relevant patients treated in our hospital from 2014-02 to 2015-10 and Control group, containing 85 normal subjects from physical examination at the same period of time. Based on NYHA criterion, the patients were classiifed in NYHA grade II, III and IV respectively. Blood levels of N-terminal brain natriuretic peptide (NT-ProBNP), high-sensitivity C reactive protein (hs-CRP) and ultrasonic morphology were examined upon admission; protein expressions of galectin-3 and sST2 were assessed by ELISA. Results: The patients with NYHA grade III and IV had increased levels of galectin-3 and soluble sST2; galectin-3, sST2 were positively related to NT-ProBNP, hs-CRP and LVEDD, while negatively related to LVEF. Logistic regression analysis indicated that galectin-3 and sST2 were related to short-term death in CHF patients,P<0.05. Area under ROC curve of galectin-3 and sST2 for diagnosing CHF were 0.738 and 0.771,P<0.01. Conclusion: Galectin-3 and sST2 levels were related to traditional HF indicator and could be used for CHF diagnosis in relevant patients.
5.Effect of basic fibroblast growth factor on osteogenic differentiation and cell proliferation of human gingival fibroblasts in vitro
Zhen ZHEN ; Shaoyun JIANG ; Yufei TAO ; Zhimin YAN ; Jiayin DENG
Tianjin Medical Journal 2015;(4):344-347,450
Objective To observe the effects of basic fibroblast growth factor (bFGF) on osteogenic differentiation abili?ty and cell proliferation of human gingival fibroblasts (HGFs), and to explore the role of bFGF on the process of osteogenic differencitiaion in vitro. Methods HGFs were cultured in vitro until the 3rd passage when they were divided into four groups:normal medium as group 1, normal medium with 10μg/L bFGF as group 2, osteogenic medium as group 3 and osteo?genic medium with 10μg/L bFGF as group 4. MTT assay was used to evaluate the proliferation of HGFs. Alkaline phospha?tase (ALP) staining and Alizarin red staining were applied to investigate osteogenic potential of HGFs under different culture conditions. Results bFGF at concentration of 10 μg/L could increase HGFs proliferation in both normal and osteogenic medium (P<0.01). HGFs could be induced towards osteogenic differentiation and form mineralized nodule in osteogenic me?dium. However, 10μg/L bFGF had no effects on ALP activity and mineralized nodule formation of HGFs during osteogenic differentiation. Conclusion bFGF could promote the proliferation of HGFs but show no effects on osteogenic differentiation of HGFs at concentration of 10μg/L.
6.Expression of mucin 5B in chronic rhinosinusitis.
Lu PENG ; Hong-tao ZHEN ; Si JIN
Chinese Journal of Otorhinolaryngology Head and Neck Surgery 2007;42(6):461-462
Adolescent
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Adult
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Child
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Chronic Disease
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Female
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Humans
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Male
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Middle Aged
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Mucin-5B
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biosynthesis
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Nasal Mucosa
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metabolism
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Sinusitis
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metabolism
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Young Adult
7. Research progress on Polygalae Radix
Chinese Traditional and Herbal Drugs 2016;47(13):2381-2389
Polygalae Radix used as Chinese materia medica has a long history. The main chemical constituents include triterpenoid saponins, xanthones, oligosaccharide esters, and so on. The study shows that Polygalae Radix has a wide range of pharmacological activities, such as sedative hypnotic, anticonvulsant, antiaging, antidementia, brain protection, cough expectorant, antidepressant, antibacterial, and anticancer. In this paper, through referring to the domestic and foreign relevant literatures on Polygalae Radix systematically, we summarize the chemical composition, pharmacological activity, and structure activity relationship of Polygalae Radix, which could provide the reference for the further investigation and development of this plant.
8.Concurrent chemoradiotherapy and adjuvant chemotherapy for rectal cancer
Jie CHEN ; Zhen TAO ; Ping WANG
Journal of International Oncology 2012;(11):864-866
Adjuvant and neoadjuvant therapy are the important therapeutic methods for rectal cancer.Neoadjuvant concurrent chemoradiotherapy and postoperative adjuvant chemotherapy play a crutial role in rectal cancer treatment.New chemotherapy drugs and targeted therapy drugs could further improve the therapeutic effect of rectal cancer.
9.In vitro models of cerebral ischemia
Zhen TAO ; Xunming JI ; Yumin LUO
International Journal of Cerebrovascular Diseases 2013;(2):155-160
The pathogenesis of cerebral ischemia is extremely complicated.In vitro models have better controllability.They have important significance for the study of the pathogenesis.This article reviews the commonly used In vitro models and provides references for the future study of the pathogenesis of cerebral ischemia.
10.Investigation of the resistant mechanism of carbapenem-resistant Klebsiella pneumoniae
International Journal of Laboratory Medicine 2015;(16):2351-2352
Objective To investigate the molecular mechanism of Klebsiella pneumoniae resistant to imipenem.Methods Anti-microbial susceptibility was evaluated by disk diffusion test,Seven imipenem-resistant strains of Klebsiella pneumoniae were select-ed.And PCR was used to amplify so as to detect eighteen resistant genes.Results Seven imipenem-resistant strains of Klebsiella pneumoniae were more sensitive to aminoglycosides and sulfamethoxazole/trimethoprim.The positive rates of KPC,ant(3′′)-Ⅰ, SHV,CTX-Mand ant(2′′)-Ⅰin these imipenem-resistant strains were high.Conclusion Carbapenem-resistant Klebsiella pneumon-iae isolated from our hospital carries several kinds of resistant genes.Carrying KPC may be the main resistant mechanism of Kleb-siella pneumoniae resistant to carbapenem,but other mechanisms also exist at the same time.

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