AIDS vaccine developments.
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AIDS Vaccines↗
Biomedical subjects
B Vaslin
Publications and source records attributed to B Vaslin.
Specific and non-specific immunity and protection of macaques against SIV infection.
The simian immunodeficiency virus is a retrovirus closely related to the human immunodeficiency viruses; it induces an AIDS-like disease in macaques, and provides therefore an obvious animal model for anti-lentiviral drug and vaccine strategy assessments. In our experiment, we immunized rhesus macaques with a purified and formalin-inactivated whole SIVmac251 antigen preparation. Most of these monkeys were still protected for more than 4 months following a heterologous SIVsm intravenous challenge. Both virus stocks, for vaccine preparation and challenge, were provided by culture supernatants of infected T cells of human origin. Four of the protected macaques were then reimmunized with the same antigen preparation and rechallenged intravenously with a homologous rhesus cell grown SIVmac251. Unexpectedly, all animals developed clinical and biological evidence of infection by day 15 after the second challenge.
Animals↗
Inactivation of human immunodeficiency virus during human growth hormone production.
Since human immunodeficiency virus (HIV) has been found in the brains of AIDS patients, the possibility was investigated that preparations of human growth hormone (hGH) extracted from human pituitary glands harbor infectious HIV. It was found that the procedure used for extracting hGH, i.e. a combination of acid pH and 10% ethanol, totally inactivates HIV infectivity.
Antiviral Agents↗