Mechanism of selective inhibition of human immunodeficiency virus by ingenol triacetate
Author(s) -
Masatoshi Fujiwara,
K. Ijichi,
Kenji Tokuhisa,
Kimio Katsuura,
Shirô Shigeta,
K Konno,
G Y Wang,
Daisuke Uemura,
Tomoyuki Yokota,
Masanori Baba
Publication year - 1996
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.40.1.271
Subject(s) - mechanism of action , viral replication , in vitro , chemistry , cytotoxicity , virus , cytotoxic t cell , human immunodeficiency virus (hiv) , virology , biology , biochemistry
Ingenol 3,5,20-triacetate (ITA), one of the ingenol derivatives, is a selective inhibitor of human immunodeficiency virus (HIV) replication in vitro. ITA inhibited the replication of HIV strains in MT-4 cells at concentrations of 0.051 to 0.65 microM. This concentration was approximately 10(3)-fold lower than its cytotoxic threshold. The mechanism of action of ITA is primarily attributed to the inhibition of viral adsorption to the host cells, but it is distinct from the mechanism of inhibition by other adsorption inhibitors.
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