{"id":"f36b593f-3224-50a8-9d6b-f3d546fa5812","stable_key":"c9aa15a1-8ba2-5913-b2dd-372af304bf87:fast-mouse-gh-brakes","predicate":"induces","statement":"FGF21 induced hepatic IGFBP1 and SOCS2, regulators that blunt GH/IGF signaling.","claim_class":"mechanistic","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"aa33596c-803f-5a8c-bd84-96a0c50182bd","mechanism_event_label":"Additional regulators restrained growth signaling.","subject":{"id":"8b01fe3c-a32b-5076-9c61-34d4d35e8b89","slug":"mouse-fgf21","display_name":"Mouse fibroblast growth factor 21 / Fgf21","entity_type_key":"protein"},"object":{"id":"5bb5e83c-b50d-587f-aac7-742b20169103","slug":"mouse-igfbp1","display_name":"Mouse IGF binding protein 1 / Igfbp1","entity_type_key":"protein"},"evidence_count":1,"mechanism_event":{"id":"aa33596c-803f-5a8c-bd84-96a0c50182bd","stable_key":"c9aa15a1-8ba2-5913-b2dd-372af304bf87:fast-mouse-gh-brakes-event","event_type":"observed_relationship","label":"Additional regulators restrained growth signaling.","description":"FGF21 induced hepatic IGFBP1 and SOCS2, regulators that blunt GH/IGF signaling.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"8b01fe3c-a32b-5076-9c61-34d4d35e8b89","slug":"mouse-fgf21","display_name":"Mouse fibroblast growth factor 21 / Fgf21","entity_type_key":"protein"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"5bb5e83c-b50d-587f-aac7-742b20169103","slug":"mouse-igfbp1","display_name":"Mouse IGF binding protein 1 / Igfbp1","entity_type_key":"protein"},"role":"target","stoichiometry":null,"state_label":"","sequence_order":1,"notes":""},{"entity":{"id":"36eff665-3376-5bd1-9c81-011ee3b2550f","slug":"mouse-socs2","display_name":"Mouse suppressor of cytokine signaling 2 / Socs2","entity_type_key":"protein"},"role":"context_participant","stoichiometry":null,"state_label":"","sequence_order":2,"notes":""}]},"contexts":[{"dimension":"evidence_access","value_text":"Primary abstract","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"Mouse endocrine experiments.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"No universal human growth-hormone response is inferred.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"nutrient_topic","value_text":"Fasting physiological-state collection; human protocols, cellular deprivation and refeeding are distinguished.","comparator":null,"unit":null,"notes":"","entity":{"slug":"fasting","display_name":"Fasting / abstention from energy intake","entity_type_key":"cellular_process"}},{"dimension":"plain_language","value_text":"Additional regulators restrained growth signaling.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"Inhibition of growth hormone signaling by the fasting-induced hormone FGF21. · 2008 · https://pubmed.ncbi.nlm.nih.gov/18585098/ · DOI 10.1016/j.cmet.2008.05.006","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"085f51e7-a076-5749-8d6a-09376e7ba1f8","evidence_kind":"source_excerpt","locator":"Lines 272-278","start_line":272,"end_line":278,"excerpt":"## fast-mouse-gh-brakes\nAdditional regulators restrained growth signaling.\nFGF21 induced hepatic IGFBP1 and SOCS2, regulators that blunt GH/IGF signaling.\nModel: Mouse endocrine experiments.\nLimitations: No universal human growth-hormone response is inferred.\nEvidence access: Primary abstract\nInhibition of growth hormone signaling by the fasting-induced hormone FGF21. · 2008 · https://pubmed.ncbi.nlm.nih.gov/18585098/ · DOI 10.1016/j.cmet.2008.05.006","model_system":"Mouse endocrine experiments.","directness":"reported_statement","verification_status":"source_derived_draft","notes":"Original curation paraphrase; evidence access and experimental limitations specified.","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"921d1eb5-2c88-52b9-9898-60b2b5bf6029","stable_key":"import-c9aa15a1-8ba2-5913-b2dd-372af304bf87","title":"Fasting: fuel switching, nutrient sensing, ketone signaling, nutrient dependencies and refeeding (2026-09-18)","document_type":"imported_text","citation_label":"AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text.","file_path":"","sha256":"991b7fd94be84c0f1e622e0672eda03d600b388dfd7825e219aa1678d1c7983a","revision_id":"ce85d3f4-4eaf-5aee-bddb-0f0ce7fe2211","review_status":"unverified_draft","notes":""}}],"relations":[],"conflicts":[],"corrections":[],"research":null}