Evaluation of Antiretroviral Chemotherapy Based on the Profile of Virus Isolation from HIV-1 Infected Individuals

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  • KOJIMA Yoko
    Laboratory of Pathology, Osaka Prefectural Institute of Public Health
  • OTAKE Toru
    Laboratory of Pathology, Osaka Prefectural Institute of Public Health
  • MORI Haruyo
    Laboratory of Pathology, Osaka Prefectural Institute of Public Health
  • KAWAHATA Takuya
    Laboratory of Pathology, Osaka Prefectural Institute of Public Health
  • OISHI Isao
    Laboratory of Pathology, Osaka Prefectural Institute of Public Health
  • NAGAO Nobuo
    Osaka Red Cross Blood Center
  • SHIBATA Hirotoshi
    Osaka Red Cross Blood Center

Bibliographic Information

Other Title
  • ウイルス分離を指標としたHIV感染者の薬剤治療効果の判定
  • ウイルス ブンリ オ シヒョウ ト シタ HIV カンセンシャ ノ ヤクザイ チリョウ コウカ ノ ハンテイ

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Description

It is well-known that the biological characteristics of HIV-1 persistently infected in the host have often changed into a rapid growth in vitro, T-cell line tropism and marked syncytium inducing (SI) ability accompanied by the progress of clinical stages from AC to ARC or AIDS.<BR>We have developed a follow-up diagnostic test using the clinical markers based on the virus phenotypes mentioned above, and reported that the test was significantly useful for determining the clinical status of HIV infected individuals. Recently, highly active antiretroviral therapy (HAART) was introduced into HIV-1 chemotherapy, and has been reported to be a markedly effective treatment for HIV infected individuals. In this study, we carried out an investigation to see whether the follow-up diagnosis was useful even after introducing the HAART in Japan in 1997. The results by the laboratory diagnosis on 139 HIV infected individuals who were clinically observed over a long period showed that the positive rate of virus isolation and MT-4 cell tropism in the isolates during the two years between 1997 and 1998 were significantly lower than that of the nine years from 1988 to 1996 before the implementation of HAART. In addition, we obtained data that the effect of HAART reflects the biological profiles of virus isolation more than the CD4+Tcell counts.<BR>These results suggest that data of clinical examination using virus isolation as a parameter are useful not only for predicting the development of AIDS but also for evaluating the effects of HAART, particularly in patients showing no association between the CD4+Tcell counts and the plasma viral load.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 74 (8), 638-645, 2000

    The Japanese Association for Infectious Diseases

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