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J Intern Med. 2007 Jul;262(1):131-9.

Impaired subcutaneous adipocyte lipogenesis is associated with systemic insulin resistance and increased apolipoprotein B/AI ratio in men and women.

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Department of Medicine, Karolinska University Hospital Huddinge, Karolinska Institutet, Stockholm, Sweden.



To study the association between subcutaneous fat cell lipogenesis and components of the metabolic syndrome (systemic insulin resistance, dyslipidaemia and hypertension).


A university hospital-based cross-sectional study of 383 subjects (303 women and 80 men) with a wide range of BMI (18-53 kg m(-2)).


Strong negative correlations between in vitro fat cell lipogenesis (basal and after maximal insulin stimulation) and HOMA-IR were present in both genders (r = -0.42 to -0.56, P < 0.0001 and r = -0.37 to -0.44, P < 0.001, for women and men respectively). Insulin sensitivity measured using the insulin tolerance test (K(ITT)) was also correlated with adipocyte lipogenesis (r = 0.47-0.57, P < 0.0001, women, r = 0.52-0.70, P < 0.001, men). Plasma apolipoprotein B/AI-ratio negatively associated with fat cell lipogenesis in women (r = -0.41 to-0.51, P < 0.0001,) and men (r = -0.49 to -0.55, P < 0.0001). The negative relationship of fat cell lipogenesis with blood pressure was significant in women (r = -0.27 to -0.28, P < 0.0002,) but not in men (P = 0.08-0.09). All correlations remained significant after adjusting for differences in fat cell volume, body mass index, waist- to hip- ratio or age (P < 0.01).


Subcutaneous adipocyte lipogenesis is negatively associated with systemic insulin resistance, plasma apolipoprotein B/AI-ratio and blood pressure supporting the view that impaired fat cell function per se may contribute to the development of the metabolic syndrome.

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