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Curr Opin Immunol. 1996 Aug;8(4):546-53.

Evolution and plasticity of CTL responses against HIV.

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Laboratoire d'Immunologie Cellulaire et Tissulaire, CNRS URA 625, CH Pitie-Salpetriere 83, de I'hôpital, Bâtiment CERVI, 75013 Paris, France.


Exceptionally potent cytotoxic T lymphocyte responses are generated after HIV invasion and probably control the primary infection as well as the asymptomatic phase of HIV infection. The chronic phase appears as a quasi-equilibrium between waves of new HIV variants and variant-specific CTLs, thus sustaining continuous CTL activation which eventually fails to eradicate HIV disease progression and the reascension of viral replication. Meanwhile, both the host and the virus develop various strategies either to stop or to evade this potentially deleterious permanent CTL activity. The transient effectiveness of CTLs opens perspectives for understanding disease progression generally as well as for immune therapeutic strategies.

[Indexed for MEDLINE]

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