Adipose tissue inflammation and liver fat in patients with highly active antiretroviral therapy-associated lipodystrophy

American Journal of Physiology. Endocrinology and Metabolism
K SevastianovaH Yki-Järvinen

Abstract

In this cross-sectional study, we sought to determine whether gene expression of macrophage markers and inflammatory chemokines in lipoatrophic subcutaneous abdominal adipose tissue and liver fat content are increased and interrelated in human immunodeficiency virus (HIV)-1-positive, highly active antiretroviral therapy (HAART)-treated patients with lipodystrophy (HAART+LD+; n = 27) compared with those without (HAART+LD-; n = 13). The study groups were comparable with respect to age, gender, and body mass index. The HAART+LD+ group had twofold more intra-abdominal (P = 0.01) and 1.5-fold less subcutaneous (P = 0.091) fat than the HAART+LD- group. As we have reported previously, liver fat was 10-fold higher in the HAART+LD+ compared with the HAART+LD- group (P = 0.00003). Inflammatory gene expression was increased in HAART-lipodystrophy: CD68 4.5-fold (P = 0.000013), tumor necrosis factor (TNF)-alpha 2-fold (P = 0.0094), chemokine (C-C motif) ligand (CCL) 2 2.5-fold (P = 0.0024), CCL3 7-fold (P = 0.0000017), integrin alphaM (ITGAM) 3-fold (P = 0.00067), epidermal growth factor-like module containing, mucin-like, hormone receptor-like (EMR)1 2.5-fold (P = 0.0038), and a disintegrin and metalloproteinase domain (ADAM)8 3.5-fold (P...Continue Reading

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