The transforming growth factor-beta/bone morphogenetic protein signalling pathway in adipogenesis.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Rising obesity epidemic makes the better understanding of transcription factor networks regulating adipogenesis very challenging. Adipogenesis begins with the commitment of pluripotent mesenchymal stem cells to the adipocyte lineage, followed by terminal differentiation of preadipocytes to mature adipocytes. Among the molecules that influence the decision of progenitor cells to become adipocytes are members of transforming growth factor-beta superfamily and particularly bone morphogenetic proteins. Transforming growth factor-beta and bone morphogenetic proteins exert their biological functions mainly through their downstream molecules, the Smads. Here, we review the role(s) of transforming growth factor-beta/bone morphogenetic protein signalling pathway in adipocyte differentiation. Unravelling the precise mechanism of each molecule/pathway is necessary for developing suitable inhibitors or mimetic agents in order to treat obesity and improve insulin resistance. Current research efforts aim at discovering drugs that reduce fat mass or change the phenotype of adipose tissue into a more thermogenic one.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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