A classic metabolic concept posits that insulin promotes energy storage and adipose expansion, while catecholamines stimulate release of adipose energy stores by hydrolysis of triglycerides through β-adrenergic receptor (βARs) and protein kinase A (PKA) signaling. Here, we have shown that a key hub in the insulin signaling pathway, activation of p70 ribosomal S6 kinase (S6K1) through mTORC1, is also triggered by PKA activation in both mouse and human adipocytes. Mice with mTORC1 impairment, either through adipocyte-specific deletion of
Dianxin Liu, Marica Bordicchia, Chaoying Zhang, Huafeng Fang, Wan Wei, Jian-Liang Li, Adilson Guilherme, Kalyani Guntur, Michael P. Czech, Sheila Collins
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