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Whole body glucose disposal was determined by hyperinsulinemic clamp technique (80 mU\u00b7m<jats:sup>\u22122<\/jats:sup>\u00b7min<jats:sup>\u22121<\/jats:sup>) in 6 HIV-infected men and 5 age\/weight-matched healthy volunteers. Regional glucose uptake in muscle and subcutaneous (SAT) and visceral adipose tissue (VAT) was quantified in fasting and insulin-stimulated states using 2-deoxy-[<jats:sup>18<\/jats:sup>F]fluoro-d-glucose positron emission tomography. HIV-infected subjects with lipoatrophy had significantly increased glucose uptake into SAT (3.8 \u00b1 0.4 vs. 2.3 \u00b1 0.5 \u03bcmol\u00b7kg tissue<jats:sup>\u22121<\/jats:sup>\u00b7min<jats:sup>\u22121<\/jats:sup>, P &lt; 0.05) in the fasted state. Glucose uptake into VAT did not differ between groups. VAT area was inversely related with whole body glucose disposal, insulin sensitivity, and muscle glucose uptake during insulin stimulation. VAT area was highly predictive of whole body glucose disposal ( r<jats:sup>2<\/jats:sup>= 0.94, P &lt; 0.0001). This may be mediated by adiponectin, which was significantly associated with VAT area ( r = \u22120.75, P = 0.008), and whole body glucose disposal ( r = 0.80, P = 0.003). This is the first study to directly demonstrate increased glucose uptake in subcutaneous fat of lipoatrophic patients, which may partially compensate for loss of SAT. Furthermore, we demonstrate a clear relationship between VAT and glucose metabolism in multiple fat and muscle depots, suggesting the critical importance of this depot in the regulation of glucose and highlighting the significant potential role of adiponectin in this process.<\/jats:p>","DOI":"10.1152\/ajpendo.00273.2005","type":"journal-article","created":{"date-parts":[[2005,8,31]],"date-time":"2005-08-31T02:58:31Z","timestamp":1125457111000},"page":"E289-E298","source":"Crossref","is-referenced-by-count":25,"title":["Depot-specific regulation of glucose uptake and insulin sensitivity in 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