PROPHYLAXIS OF L. TROPICA INFECTIONS WITH CYCLOSPORINES

用环孢菌素预防热带乳杆菌感染

基本信息

  • 批准号:
    3436589
  • 负责人:
  • 金额:
    $ 6.43万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    1985
  • 资助国家:
    美国
  • 起止时间:
    1985-09-30 至 1988-01-31
  • 项目状态:
    已结题

项目摘要

The proposed study on the prophylaxis of Leishmania tropica infections in Balb/c mice with the known immunosuppressant Cyclosporine A and its analogue, B-5-49, will attempt to elucidate the drug-induced alteration in the host response to the parasite which enables this highly susceptible mouse strain to mount an effective curative immune response to the infecting protozoa. Leishmania tropica infections in Balb/c mice have been used as experimental models of both diffuse cutaneous and the frequently fatal systemic leishmaniasis in man. Our understanding, treatment and prevention of these two world-wide infections is strikingly incomplete or inadequate. It is hoped that this study will help to clarify the important immunomodulatory effects of the two cyclosporines which apparently prevents leishmania specific immunosuppression from developing during the infectious process. After determining the optimum protective treatment regimen for both drugs, the antigen-specific and non-specific immune responsiveness of infected, treated animals will be monitored and compared to non-treated controls. Specifically, the development and level of: 1) delayed type hypersensitivity, 2) anti-leishmanial antibodies and 3) resistance to parasite challenge will be determined over time as well as level of immune responsiveness in vitro in response to unrelated antigens (SRBC) and mitogens. Of particular interest will be the ability of lymphocytes from the experimental animals to produce lymphokines which are capable of stimulating macrophage cidal activity toward intracellular leishmania. The level of immunosuppression in treated, non-infected animals will also be determined to clearly establish the level of immunocompetence following the chosen treatment regimen for both drugs.
预防热带利什曼原虫感染的初步研究

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Prophylactic treatment of BALB/c mice with cyclosporine A and its analog B-5-49 enhances resistance to Leishmania major.
用环孢素 A 及其类似物 B-5-49 对 BALB/c 小鼠进行预防性治疗可增强对重大利什曼原虫的抵抗力。
Immunomodulation of murine leishmaniasis with cyclosporin A.
用环孢菌素 A 对小鼠利什曼病进行免疫调节。
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NANCY C BEHFOROUZ其他文献

NANCY C BEHFOROUZ的其他文献

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{{ truncateString('NANCY C BEHFOROUZ', 18)}}的其他基金

MACROPHAGE ACTIVATION IN EXPERIMENTAL LEISHMANIASIS
实验性利什曼病中的巨噬细胞激活
  • 批准号:
    3436686
  • 财政年份:
    1988
  • 资助金额:
    $ 6.43万
  • 项目类别:
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