Low early B-cell factor 1 (EBF1) activity in human subcutaneous adipose tissue is linked to a pernicious metabolic profile

Diabetes & Metabolism
P PetrusMikael Rydén

Abstract

Recently, in both human and murine white adipose tissue (WAT), transcription factor early B-cell factor 1 (EBF1) has been shown to regulate adipocyte differentiation, adipose morphology and triglyceride hydrolysis (lipolysis). This study investigated whether EBF1 expression and biological activity in WAT is related to different metabolic parameters. In this cross-sectional study of abdominal subcutaneous WAT, EBF1 protein levels were examined in 18 non-obese subjects, while biological activity was determined in 56 obese and non-obese subjects. Results were assessed by anthropometric measures and blood pressure as well as by plasma lipid levels and insulin sensitivity. EBF1 protein levels were negatively associated with waist circumference (r=-0.56; P=0.015), but not with body mass index (BMI) or body fat (P=0.10-0.29). Biological activity of EBF1 correlated negatively with plasma triglycerides (r=-0.46; P=0.0005) and plasma insulin (r=-0.39; P=0.0027), but positively with plasma HDL cholesterol (r=0.48; P=0.0002) and insulin sensitivity, as assessed by intravenous insulin tolerance test (r=0.64; P<0.0001). These relationships, except for plasma insulin, remained statistically significant after adjusting for BMI and adipose morp...Continue Reading

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Citations

Mar 19, 2021·Immunometabolism·Michael J Griffin

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