de Jong AJ, et al. – In this research work, the scientists examined cellular and molecular body mass index (BMI)–related features in the infrapatellar fat pad (IFP) of osteoarthritis (OA) patients. They disclosed that BMI–related features usually observed in subcutaneous adipose tissue (SCAT) and visceral adipose tissue could not be detected in the IFP of OA patients. A fat depot implicated in OA pathogenesis, they added.