{"artifact_id":"wiki-mechanisms-trem2-microglial-dysfunction-ad-causal-chain","artifact_type":"wiki_page","title":"TREM2→Microglial Dysfunction→Alzheimer's Disease Causal Chain","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":7,"related":164,"see_also":149,"mentions":2},"total_incoming":322,"outgoing_by_type":{"related":95,"see_also":149,"mentions":118},"total_outgoing":362,"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":"2026-05-13T16:29:34.033386-07:00"},{"score":0.5,"at":"2026-04-28T03:48:49.857966-07:00"}],"evidence_balance":0.0,"evidence_certainty":1.0,"total_evidence_items":684,"is_well_supported":false,"is_controversial":false,"is_foundational":true}