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Dexamethasone 및 수종약물이 Shope rabbit papilloma에 미치는 영향

Other Titles
 Effect of dexamethasone and some drugs on shope rabbit papilloma 
Issue Date
1973
Description
의학과/석사
Abstract
[한글]
[영문] In 1933 Shope described an infectious papilloma of wild cottontail rabbits. Shope rabbit papilloma is a virus-induced epidermal neoplasm indigenous to western cottontail rabbits and readily transmissible to domestic rabbits by inoculation with a cell-free extract of wild cottontail papilloma. Shope papilloma induced in the domestic rabbits may spontaneously, remain benign, or progress to carcinoma. Kidd et al. (1936) noted that the regression is not correlated with the titer of virus neutralizing antibody. The possibility that papilloma regression is brought about by a mechanism analogous to that operating in allograft rejection was suggested by kidd et al. (1938) with the view of the histological resemblance between papilloma regression and rejection of allografted tissue. That regression is mediated by an immu mechanism is strongly indicated by the findings of Evans et al.(1962) that the proportion of rabbits showing regression is substantially increased by vaccination of rabbits with rheir own papilloma tissue or with papilloma tissue from another rabbits. Mcmichael (1967) demonstrated that suppression of regression was achieved by use of large doses of corticosteroid. The effect of 5-fluorouracil on human warts was mentioned as being effective by Goldman et al.(1963). In Korea resinous extract from Paulownia coreana has long been used empirically in the treatment of human warts. In this investigation effects of dexamethesone administration on the development and the spontaneous regression of Shope papilloma in domestic rabbits were studied. At the same time, observations were made to evaluate the comparative effectiveness of topical application of 5% 5-fluorouracil ointment resinous extract from Paulownia cireana on Shope papilloma in the domestic rabbits. The results are summarized as follows : 1. Administration of dexamethasone significantly reduced the spontaneous regression of Shope papilloma in donestic rabbits by 12 weeks after virus inoculation. 2. Topical application of 5% 5-fluorouracil ointment on Shope papilloma cured the tumors by 4 weeks of drug application. However, similar treatment with resinous extract from Paulownia coreana was without any demonstrable effects. 3. Marked losses of body weight became manifest in dexamethasone treated rabbits. 4. Reinoculation of Shope papilloma virus into 2 rabbits whose papilloma had regressed 3 months ago failed to produce papillomas.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/115260
Appears in Collections:
2. 학위논문 > 1. College of Medicine (의과대학) > 석사
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