{"artifact_id":"wiki-biomarkers-bdnf-brain-derived-neurotrophic-factor","artifact_type":"wiki_page","title":"BDNF - Neurotrophic Factor Biomarker","quality_score":0.5,"is_latest":1,"version_number":5,"version_count":1,"debate_count":0,"supports_count":0,"contradicts_count":0,"neutral_count":0,"incoming_by_type":{"derives_from":5,"related":46,"see_also":31,"mentions":1},"total_incoming":83,"outgoing_by_type":{"related":30,"see_also":31,"mentions":42},"total_outgoing":103,"quality_trajectory":[{"score":0.5,"at":"2026-05-16T14:51:34.657673-07:00"},{"score":0.5,"at":"2026-05-16T08:03:22.955306-07:00"},{"score":0.5,"at":"2026-05-13T16:29:29.356550-07:00"},{"score":0.5,"at":"2026-04-28T03:48:49.857966-07:00"}],"evidence_balance":0.0,"evidence_certainty":1.0,"total_evidence_items":186,"is_well_supported":false,"is_controversial":false,"is_foundational":true}