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Effects of agkistrodon in different dosage forms on collagen-induced arthritis in rats / 中国结合医学杂志
Chinese journal of integrative medicine ; (12): 902-909, 2016.
Article in English | WPRIM | ID: wpr-287119
ABSTRACT
<p><b>OBJECTIVE</b>To determine the effective dosage and formulation of agkistrodon in collagen-induced arthritis (CIA) rats.</p><p><b>METHODS</b>CIA was induced by injection of collagen in complete/incomplete Freund's adjuvant. Agkistrodon decoction, agkistrodon powder, and agkistrodon wine were administered daily starting from the onset of arthritis. Paw swelling degree was measured by using a volume-measuring instrument every 7 days after primary immunization. Arthritis index was measured and calculated using the "five scoring method" every 7 days. The levels of serum interleukin-1ß (IL-1ß) and type II collagen IgG antibodies were detected by enzyme-linked immunosorbent assay. Finally, all ankles were removed, and X-ray radiography was performed with In-vivo Imaging System FX. Samples were counterstained with hematoxylin and eosin for analysis.</p><p><b>RESULTS</b>Among the various dosage formulations of agkistrodon, high-dose powder, which was equivalent to an amount of 6 g/day in adults, showed better effects on the inhibition of joint swelling and reduction of arthritis index score. The relatively low levels of serum IL-1 and anti-type II collagen IgG antibodies, as well as the X-ray radiography and pathology results, further proved the superiority of the high-dose powder over the other formulations. The effect of decoction on inhibiting joint swelling was inversely proportional to the dosage. Other effects, such as reduction of arthritis index score and the levels of serum IL-1 and anti-type II collagen IgG antibodies, were directly proportional to the dosage. While the use of large dose agkistrodon wine led to negative effects.</p><p><b>CONCLUSION</b>These data highlight the potential function of high-dose agkistrodon powder, which was equivalent to an amount of 6 g/day in adults. The powder can quickly relieve the symptoms of rheumatoid arthritis and prevent aggravation of disease, especially during the early period.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Arthritis, Experimental / Blood / Enzyme-Linked Immunosorbent Assay / Diagnostic Imaging / Rats, Wistar / Agkistrodon / Collagen Type II / Dosage Forms / Dose-Response Relationship, Drug Type of study: Diagnostic study Limits: Animals Language: English Journal: Chinese journal of integrative medicine Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Arthritis, Experimental / Blood / Enzyme-Linked Immunosorbent Assay / Diagnostic Imaging / Rats, Wistar / Agkistrodon / Collagen Type II / Dosage Forms / Dose-Response Relationship, Drug Type of study: Diagnostic study Limits: Animals Language: English Journal: Chinese journal of integrative medicine Year: 2016 Type: Article