Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/30970
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    標題: Chitosan promotes immune responses, ameliorates glutamic oxaloacetic transaminase and glutamic pyruvic transaminase, but enhances lactate dehydrogenase levels in normal mice in vivo
    作者: Yeh, Ming-Yang
    Shih, Yung-Luen
    Chung, Hsueh-Yu
    Chou, Jason
    Lu, Hsu-Feng
    Liu, Chia-Hui
    Liu, Jia-You
    Huang, Wen-Wen
    Peng, Shu-Fen
    Wu, Lung-Yuan
    Chung, Jing-Gung
    貢獻者: Cheng Hsin Gen Hosp, Off Director
    Fu Jen Catholic Univ, Dept Sch Med
    Shin Kong Wu Ho Su Mem Hosp, Dept Pathol & Lab Med
    Taipei Med Univ, Sch Med Lab Sci & Biotechnol
    Jen Teh Jr Coll Med Nursing & Management
    Cheng Hsin Gen Hosp, Dept Anat
    Cheng Hsin Gen Hosp, Dept Clin Pathol
    Chia Nan Univ Pharm & Sci, Ctr Gen Educ
    China Med Univ, Dept Biol Sci & Technol
    I Shou Univ, Sch Chinese Med Post Baccalaureate, Yanchao Campus,8 Yida Rd
    Asia Univ, Dept Biotechnol
    關鍵字: chitosan
    immune responses
    glutamic oxaloacetic transaminase
    glutamic pyruvic transaminase
    lactate dehydrogenase
    日期: 2016-04
    上傳時間: 2018-01-18 11:38:56 (UTC+8)
    出版者: Spandidos Publ Ltd
    摘要: Chitosan, a naturally derived polymer, has been shown to possess antimicrobial and anti-inflammatory properties; however, little is known about the effect of chitosan on the immune responses and glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT) and lactate dehydrogenase (LDH) activities in normal mice. The aim of the present study was to investigate whether chitosan has an effect on the immune responses and GOT, GPT and LDH activities in mice in vivo. BALB/c mice were divided into four groups. The negative control group was treated with a normal diet; the positive control group was treated with a normal diet plus orally administered acetic acid and two treatment groups were treated with a normal diet plus orally administered chitosan in acetic acid at doses of 5 and 20 mg/kg, respectively, every other day for 24 days. Mice were weighed during the treatment, and following the treatment, blood was collected, and liver and spleen samples were isolated and weighted. The blood samples were used for measurement of white blood cell markers, and the spleen samples were used for analysis of phagocytosis, natural killer (NK) cell activity and cell proliferation using flow cytometry. The results indicated that chitosan did not markedly affect the body, liver and spleen weights at either dose. Chitosan increased the percentages of CD3 (T-cell marker), CD19 (B-cell marker), CD11b (monocytes) and Mac-3 (macrophages) when compared with the control group. However, chitosan did not affect the phagocytic activity of macrophages in peripheral blood mononuclear cells, although it decreased it in the peritoneal cavity. Treatment with 20 mg/kg chitosan led to a reduction in the cytotoxic activity of NK cells at an effector to target ratio of 25: 1. Chitosan did not significantly promote B-cell proliferation in lipopolysaccharide-pretreated cells, but significantly decreased T-cell proliferation in concanavalin A-pretreated cells, and decreased the activity of GOT and GPT compared with that in the acetic acid-treated group,. In addition, it significantly increased LDH activity, to a level similar to that in normal mice, indicating that chitosan can protect against liver injury.
    關聯: Experimental and Therapeutic Medicine, v.11 n.4, pp.1300-1306
    顯示於類別:[文化事業發展系] 期刊論文


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