Growth differentiation factor (GDF)

Growth differentiation factors" are a family of secreted signaling proteins within the transforming growth factor-beta (TGF-β) superfamily, with members individually designated as GDF1 through GDF15. Each GDF regulates diverse aspects of embryonic development, organogenesis, tissue differentiation, and adult homeostasis. For example, GDF8 (myostatin) inhibits skeletal muscle growth, GDF11 is involved in neurogenesis and tissue regeneration, and GDF15 acts as a stress-induced regulator implicated in inflammation, cancer, and cardiovascular disease[1][2][3][4][5][9]. Most GDFs act via serine/threonine kinase "type I and II" TGF-β family receptors to activate pathways such as Smad-dependent gene transcription. Several GDFs are validated therapeutic targets (e.g., myostatin/GDF8 in muscle wasting, GDF15 in cachexia and cancer immunomodulation), and some (notably GDF15) are used as biomarkers for disease prognosis or therapy guidance. GDF15, in particular, can suppress appetite and is explored for metabolic disease therapies, though this effect also raises safety issues for unintended weight loss[9][4]. Clarification: - **is_incorrect**: true. "Growth differentiation factor" refers to a subfamily, not a single, unique molecular entity. Structured data should refer to a specific member (e.g., "Growth differentiation factor 11" or "Myostatin (growth differentiation factor 8)") for clarity and actionable annotation[1]. - **canonical_abbreviation**: "GDF" is an abbreviation for the family; each member has its own (e.g., GDF11, GDF15)[1][9]. - **Aliases**: Full aliases are only meaningful at the level of specific members. To obtain structured, precise information, the query should be for a particular GDF member.

Other names

Growth differentiation factor (GDF)growth differentiation factor 1 (GDF1)growth differentiation factor 2 (GDF2/BMP9)growth differentiation factor 3 (GDF3/Vgr-2)growth differentiation factor 5 (GDF5/CDMP1)growth differentiation factor 6 (GDF6)growth differentiation factor 8 (GDF8/myostatin)growth differentiation factor 9 (GDF9)growth differentiation factor 10 (GDF10/BMP-3b)growth differentiation factor 11 (GDF11)growth differentiation factor 15 (GDF15/TGF-PL, MIC-1, PDF, PLAB, PTGFB)

Modulation through agonism/antagonism of GDF signaling (e.g., antibodies, ligand traps); Signal transduction via TGF-β/Smad pathways, downstream of type I and II serine/threonine kinase receptors.