Dataset Information

Integrase Strand Transfer Inhibitors in HIV Therapy.

ABSTRACT: HIV drug resistance has been one of the major obstacles to HIV eradication and has contributed to the need for the constant development of new antiretroviral drugs over the past 25 years. With the recent approval of dolutegravir for human therapy by the U.S. Food and Drug Administration, health practitioners may soon have access to three integrase strand transfer inhibitors to treat individuals living with HIV. Here, we review the use of raltegravir, elvitegravir, and dolutegravir for use in first- and second-line HIV treatment regimens and the issue of HIV resistance against integrase inhibitors.

SUBMITTER: Mesplede T

PROVIDER: S-EPMC4108112 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Integrase Strand Transfer Inhibitors in HIV Therapy.

Mesplède Thibault T Wainberg Mark A MA

Infectious diseases and therapy 20131119 2

HIV drug resistance has been one of the major obstacles to HIV eradication and has contributed to the need for the constant development of new antiretroviral drugs over the past 25 years. With the recent approval of dolutegravir for human therapy by the U.S. Food and Drug Administration, health practitioners may soon have access to three integrase strand transfer inhibitors to treat individuals living with HIV. Here, we review the use of raltegravir, elvitegravir, and dolutegravir for use in fir ...[more]

PMID: 25134473

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Project description:More than fifteen million women with the human immunodeficiency virus type-1 (HIV-1) infection are of childbearing age world-wide. Due to improved and affordable access to antiretroviral therapy (ART), the number of in utero antiretroviral drug (ARV)-exposed children has exceeded a million and continues to grow. While most recommended ART taken during pregnancy suppresses mother to child viral transmission, the knowledge of drug safety linked to fetal neurodevelopment remains an area of active investigation. For example, few studies have suggested that ARV use can be associated with neural tube defects (NTDs) and most notably with the integrase strand transfer inhibitor (INSTI) dolutegravir (DTG). After risk benefit assessments, the World Health Organization (WHO) made recommendations for DTG usage as a first and second-line preferred treatment for infected populations including pregnant women and those of childbearing age. Nonetheless, long-term safety concerns remain for fetal health. This has led to a number of recent studies underscoring the need for biomarkers to elucidate potential mechanisms underlying long-term neurodevelopmental adverse events. With this goal in mind, we now report the inhibition of matrix metalloproteinases (MMPs) activities by INSTIs as an ARV class effect. Balanced MMPs activities play a crucial role in fetal neurodevelopment. Inhibition of MMPs activities by INSTIs during neurodevelopment could be a potential mechanism for adverse events. Thus, comprehensive molecular docking testing of the INSTIs, DTG, bictegravir (BIC), and cabotegravir (CAB), against twenty-three human MMPs showed broad-spectrum inhibition. With a metal chelating chemical property, each of the INSTI were shown to bind Zn++ at the MMP's catalytic domain leading to MMP inhibition but to variable binding energies. These results were validated in myeloid cell culture experiments demonstrating MMP-2 and 9 inhibitions by DTG, BIC and CAB and even at higher degree than doxycycline (DOX). Altogether, these data provide a potential mechanism for how INSTIs could affect fetal neurodevelopment.

Dataset Information

Integrase Strand Transfer Inhibitors in HIV Therapy.

Publications

Integrase Strand Transfer Inhibitors in HIV Therapy.

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