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Basal fuel homoeostasis in symptomatic human immunodeficiency virus infection.

Abstract
1. In eight clinically stable symptomatic human-immunodeficiency-virus-infected patients and in seven healthy control subjects, glucose and fat metabolism were studied, using indirect calorimetry and primed continuous infusions of [3-3H]glucose and [14C]palmitate. 2. Studies were performed in the post-absorptive state (16 h of overnight fasting) and again after 22 h of overnight fasting. 3. In the post-absorptive state, net fat oxidation and triacylglycerol ('triglyceride') concentrations were significantly higher in the patients, but concentrations and turnover of free fatty acids were not significantly different between patients and control subjects. After 22 h of overnight fasting, free fatty acid turnover in the patients rose to significantly higher levels when compared with the control subjects. 4. Post-absorptive glucose oxidation, glucose turnover and glucose clearance did not differ between patients and control subjects. Although fasting induced a significantly greater decline in glucose turnover in the patients, plasma glucose concentrations decreased comparably in patients and control subjects. 5. No differences were found in plasma concentrations of insulin or of the counter-regulatory hormones between patients and control subjects. 6. It is concluded that the metabolic adaptation to short-term starvation in clinically stable human-immuno-deficiency-virus-infected patients differs from that in healthy control subjects. Short-term starvation results in a significantly greater fall in glucose turnover, whereas fat metabolism is clearly stimulated. These alterations cannot be explained by differences in the concentrations of insulin or of the counter-regulatory hormones.
AuthorsM J Hommes, J A Romijn, E Endert, J K Eeftinck Schattenkerk, H P Sauerwein
JournalClinical science (London, England : 1979) (Clin Sci (Lond)) Vol. 80 Issue 4 Pg. 359-65 (Apr 1991) ISSN: 0143-5221 [Print] England
PMID1851073 (Publication Type: Journal Article)
Chemical References
  • Blood Glucose
  • Fatty Acids, Nonesterified
  • Palmitates
  • Triglycerides
  • Glucose
Topics
  • Acquired Immunodeficiency Syndrome (metabolism)
  • Adult
  • Blood Glucose (metabolism)
  • Calorimetry, Indirect
  • Fasting (metabolism)
  • Fatty Acids, Nonesterified (metabolism)
  • Glucose (metabolism)
  • Homeostasis (physiology)
  • Humans
  • Male
  • Middle Aged
  • Palmitates (metabolism)
  • Triglycerides (blood)

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