Abstract:
:Nucleoside analogs (zidovudine, didanosine, zalcitabine, stavudine, abacavir, lamivudine) have been administered as antiretroviral agents for more than a decade. They undergo anabolic phosphorylation by intracellular kinases to form triphosphates, which inhibit human immunodeficiency virus replication by competitively inhibiting viral reverse transcriptase. Numerous methods are used to elucidate the intracellular metabolic pathways of these agents. Intracellular and extracellular factors affect intracellular phosphorylation. Lack of standardization and complexity of methods used to study phosphorylation in patients limit interpretation of study results and comparability of findings across studies. However, in vitro and in vivo studies give important insights into mechanisms of action, metabolic feedback mechanisms, antiviral effects, and mechanisms of toxicity, and have influenced dosing regimens of nucleoside analogs.
journal_name
Pharmacotherapyjournal_title
Pharmacotherapyauthors
Stein DS,Moore KHdoi
10.1592/phco.21.1.11.34439subject
Has Abstractpub_date
2001-01-01 00:00:00pages
11-34issue
1eissn
0277-0008issn
1875-9114journal_volume
21pub_type
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