Journal
CURRENT HIV/AIDS REPORTS
Volume 15, Issue 5, Pages 371-381Publisher
SPRINGER
DOI: 10.1007/s11904-018-0411-2
Keywords
Persons living with HIV; Metabolic complications; Inflammation; HIV
Categories
Funding
- NIAID NIH HHS [P30 AI110527] Funding Source: Medline
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Purpose of ReviewWe aim to provide an in-depth review of recent literature highlighting the role of inflammation involving the adipose tissue, liver, skeletal muscles, and gastrointestinal tract in the development of metabolic complications among persons living with HIV (PLWH).Recent FindingsRecent studies in PLWH have demonstrated a significant association between circulating inflammatory markers and development of insulin resistance and metabolic complications. In adipose tissue, pro-inflammatory cytokine expression inhibits adipocyte insulin signaling, which alters lipid and glucose homeostasis. Increased lipolysis and lipogenesis elevate levels of circulating free fatty acids and promote ectopic fat deposition in liver and skeletal muscles. This leads to lipotoxicity characterized by a pro-inflammatory response with worsening insulin resistance. Finally, HIV is associated with gastrointestinal tract inflammation and changes in the gut microbiome resulting in reduced diversity, which is an additional risk factor for diabetes.SummaryMetabolic complications in PLWH are in part due to chronic, multisite tissue inflammation resulting in dysregulation of glucose and lipid trafficking, utilization, and storage.
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