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Body mass index-related human adipocyte agouti expression is sex-specific but not depot-specific
Obesity Research (2002)
  • Joanne Voisey
  • Pascal Imbeault
  • Louise Hutley
  • John B Prins
  • Angela van Daal, Queensland University of Technology
OBJECTIVE: To determine if human adipocyte agouti signal protein (ASIP) mRNA expression is associated with obesity and is gender and/or depot specific. RESEARCH METHODS AND PROCEDURES: Subjects included 8 men (64 +/- 3 years) and 14 women (56 +/- 15 years) undergoing elective abdominal surgery. ASIP mRNA levels in isolated omental and subcutaneous abdominal adipocytes were measured by quantitative reverse transcription polymerase chain reaction. RESULTS: No significant depot difference was observed between genders; ASIP mRNA levels of omental and subcutaneous abdominal adipocytes were pooled for this analysis. BMI and ASIP gene expression were negatively correlated in men (rho = -0.70; p < 0.05), whereas a positive relationship was observed in women (rho = 0.48; p < 0.05). No significant difference was observed in age, body weight, body mass index (BMI), and waist circumference between groups. Hip circumference was significantly higher in women than in men (p < 0.05). Also, no significant difference in ASIP mRNA expression was observed between men and women, regardless of the fat depot. DISCUSSION: These results show that men and women of similar age and BMI present similar ASIP mRNA levels in omental and subcutaneous abdominal adipocytes. However, a sexual dimorphism exists in the relationship between ASIP expression and BMI. If ASIP is involved in appetite regulation or energy homeostasis in humans, this observation may contribute to the recognized differences in these parameters between men and women.
  • agouti expression,
  • quantitative polymerase chain reaction,
  • energy homeostasis
Publication Date
January 1, 2002
Citation Information
Joanne Voisey, Pascal Imbeault, Louise Hutley, John B Prins, et al.. "Body mass index-related human adipocyte agouti expression is sex-specific but not depot-specific" Obesity Research (2002)
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