Altered Redox Regulation as Cofactor in Comorbidities and Accelerated Aging in HIV Infection Evolution and Antiretroviral Treatment

Abstract

Metabolic issues persist in HIV patients who are otherwise stable with and without antiretroviral treatment. Metabolic alterations are associated to chronic inflammation, severe mitochondrial toxicity and oxidative stress as critical factors influencing HIV disease outcomes even during antiretroviral treatment. These aspects could also be involved in comorbidities and premature aging. Both factors should be managed during therapy and they should be focus of intense ongoing investigation.The aim of this mini-review is to describe essential mechanisms of in vivo reactive oxygen species generation, antioxidants pathways, and oxidative stress involved in HIV disease. Potential impact on reactive oxygen species, oxidative damage, cellular function, and how these responses change could mediate aging in pathophysiological situations are discussed. Accrual experimental and clinical reports analyses allow us a better understanding of various inter-related contributing factors. In addition, oxidative stress as an often-overlooked link between HIVinfection and the progression of aids, during antiretroviral treatment, is analyzed. Potential long-term consequences of antioxidant treatment require on-going investigation in order to obtain important clinical issues that have recently been reported. Currently, the most practical advice is to start antiretroviral therapy early and to manage traditional risk factors of non-aids-related conditions.

A Review on Various Aspects of HIV Infection

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