PPARG and obesity due to melanocortin 4 receptor deficiency: A close collaborative relationship exists between the 2 authors, whose research focuses on the association between obesity and thyroid function in women during pregnancy and the postpartum period[17,18] The third most widely published author is Dr K. K. The third most widely published author is Chinese scholar Gao, Ling, who conducted a large cohort study and proposed that modification of the AMPK/PPARγ/GPAT3 axis through TSH receptors may serve as a potential therapeutic target for obesity.[11,19] Another Chinese scholar, Shan, Shan, and Shan, Shan, is the author of the study.