PubMed · 11689142
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2001. Adherence study recruiting.. https://doi.org/10.1089/108729101753205711
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Some studies have shown that currently available protease inhibitors (PIs) are associated with an increased risk of cardiovascular disease. We have systematically reviewed the published literature and conference abstracts for studies evaluating cardiovascular risk factors and events in patients receiving highly active antiretroviral therapy, with and without PIs. The majority of studies showed that the use of PIs was associated with increased levels of total cholesterol (36 [75%] of 48 studies), triglycerides (35 [73%] of 48 studies), and low-density lipoprotein (12 [100%] of 12 studies). PI use was often associated with morphological signs of cardiovascular disease, such as increased carotid intima thickness or atherosclerotic lesions (7 [88%] of 8 studies). Finally, 2 (67%) of 3 long-term observational studies that met our inclusion criteria demonstrated an association between use of PIs and subsequent myocardial infarction. The benefits of the currently available PIs should be balanced against the long-term risk of cardiovascular disease.
Although the innate immune system is implicated in the control of Kaposi's sarcoma (KS), the risk of developing KS is not associated with the nadir natural killer (NK) cell count, and NK cell counts do not significantly increase or decrease during KS resolution. KS-associated herpesvirus replication was not demonstrated in vivo or in vitro within NK cells, suggesting that NK cells do not contribute to the resolution of KS. Their role appears limited to events occurring during early infection.
Cellular viral reservoirs and anatomic sanctuary sites allow continuing HIV-1 replication in patients with suppressed plasma viremia who are receiving highly active antiretroviral therapy and prevent eradication of HIV-1 by these regimens. Cells of macrophage lineage, including monocytes subsets within the blood, play a role in HIV-1 persistence. Evidence of sequence evolution in blood monocytes, in comparison to resting CD4+ T cells, demonstrates their distinct contribution to plasma viremia. There is evidence to suggest that a specific monocyte subset, of CD14loCD16hi phenotype, is more susceptible to HIV-1 infection than the majority of blood monocytes. Trafficking of monocytes through various tissues following their emigration from the bloodstream allows these cells to differentiate into tissue macrophages, or potentially to egress from the tissues as migratory dendritic cells. This review provides an evaluation of the contribution of monocytes to HIV-1 persistence and the HIV-1 reservoir, essential for the effective design of therapeutic eradication strategies.