Adipocyte differentiation pathway

The "Adipocyte differentiation pathway," also known as the adipogenesis pathway, refers to the complex biological process by which pluripotent mesenchymal stem cells commit to and differentiate into mature fat cells (adipocytes)[1][3][4]. This multistep process involves commitment to the preadipocyte lineage, mitotic clonal expansion, and terminal differentiation. It is tightly regulated by a network of transcription factors—including CCAAT/enhancer-binding proteins (C/EBPs) and peroxisome proliferator–activated receptor gamma (PPARγ)—as well as hormones such as insulin and growth factors like IGF‑1. The process is further modulated by various signaling pathways including cAMP-dependent protein kinase pathways, glucocorticoid signaling, Wnt/β-catenin signaling (which inhibits adipogenesis), Hedgehog signaling[7], calpain-mediated proteolysis[2], chaperone-mediated autophagy[5], redox mechanisms[6], extracellular matrix remodeling, and cell-cell interactions. Dysregulation in this pathway contributes significantly to diseases such as obesity and type 2 diabetes due to abnormal fat cell development or function. Note: The "Adipocyte differentiation pathway" is not itself a discrete molecular target but rather an entire regulatory network/pathway involving many molecules. For structured data extraction purposes focused on drug discovery or therapeutic targeting at the molecular level, it would be more appropriate to specify individual key regulators within this pathway—such as "Peroxisome proliferator–activated receptor gamma" or "CCAAT/enhancer-binding protein alpha"[1][3][4].

Other names

Adipogenesis pathwayAdipocyte differentiation processAdipogenic pathway