{"artifact":{"id":"wiki-mechanisms-neuromelanin-synthesis","artifact_type":"wiki_page","entity_ids":"[\"mechanisms-neuromelanin-synthesis\"]","title":"Neuromelanin Synthesis","quality_score":0.5,"created_by":"crosslink-migration","provenance_chain":"[]","content_hash":"8c41005d5b2da0f84062cf29c6571b6cb42e198010d623a6ed5200e6c3a3916e","metadata":{"slug":"mechanisms-neuromelanin-synthesis","kg_node_id":null,"entity_type":"mechanism","origin_type":"v1_polymorphic_backfill","source_table":"wiki_pages","wiki_page_id":"wp-999ea3d26409","__merged_from":{"merged_at":"2026-05-13","unprefixed_id":"mechanisms-neuromelanin-synthesis"},"_schema_version":1},"created_at":"2026-04-02T07:19:53-07:00","updated_at":"2026-04-02T13:40:08-07:00","version_number":5,"parent_version_id":null,"version_tag":null,"changelog":null,"is_latest":1,"lifecycle_state":"active","superseded_by":null,"deprecated_at":null,"deprecated_reason":null,"dependencies":null,"market_price":0.5,"origin_type":"internal","origin_url":null,"lifecycle_changed_at":"2026-04-02T13:40:08-07:00","citation_count":0,"embed_count":0,"derivation_count":0,"support_count":0,"contradiction_count":0,"total_usage":0.0,"usage_score":0.5,"usage_computed_at":null,"quality_status":"ok","contributors":[],"answers_question_ids":null,"deprecated_reason_detail":null,"deprecated_reason_code":null,"commit_sha":null,"commit_submodule":null,"last_mutated_at":"2026-05-16T14:51:34.657673-07:00","disputed_at":null,"gap_id":null,"mission_id":null,"intrinsic_priority":null,"effective_priority":null,"artifact_id":"9204d21c-bb8d-420b-989b-09a87645bf8d","artifact_dir":null,"primary_filename":null,"accessory_filenames":null,"folder_layout_version":1,"migrated_to_folder_at":null,"hypothesis_id":null,"authorship":{"kind":"human","contributors":[{"role":"author","actor_ref":"crosslink-migration"}]},"epistemic_tier":"T3_provisional","created_by_agent_id":null},"outgoing_links":[{"target_artifact_id":"hypothesis-h-2e7eb2ea","link_type":"mentions","strength":0.644,"evidence":"Mechanism wiki 'Neuromelanin Synthesis' references gene/pathway from hypothesis"},{"target_artifact_id":"hypothesis-h-7bb47d7a","link_type":"mentions","strength":0.615,"evidence":"Mechanism wiki 'Neuromelanin Synthesis' references gene/pathway from hypothesis"},{"target_artifact_id":"hypothesis-h-13bbfdc5","link_type":"mentions","strength":0.5,"evidence":"Wiki page title/slug matches hypothesis keyword 'Synthesis'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-tau-propagation-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-seaad-20260402025452","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-immune-atlas-neuroinflam-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-seaad-v2-20260402032945","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-004","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-005","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-006","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-007","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-008","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-009","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-010","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-011","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-012","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-013","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-014","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-20260401-225149","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-20260401231108","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-9137255b","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-auto-fd6b1635d9","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-v2-18cf98ca","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-v2-68d9c9c1","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-v2-691b42f1","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-v2-89432b95","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-v2-bc5f270e","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-v2-ee5a5023","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"hypothesis-h-6c83282d","link_type":"mentions","strength":0.5,"evidence":"Entity 'NEUROMELANIN' mentioned in hypothesis description/evidence"},{"target_artifact_id":"hypothesis-h-74777459","link_type":"mentions","strength":0.5,"evidence":"Entity 'NEUROMELANIN' mentioned in hypothesis description/evidence"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-014","link_type":"related","strength":0.5,"evidence":"Auto: transitive via hypothesis"},{"target_artifact_id":"wiki-entities-dopaminergic-neurons","link_type":"see_also","strength":0.6,"evidence":"KG edge: expressed_in"},{"target_artifact_id":"hypothesis-h-13bbfdc5","link_type":"related","strength":0.35,"evidence":"Title keyword"},{"target_artifact_id":"hypothesis-h-7bb47d7a","link_type":"related","strength":0.35,"evidence":"Title keyword"},{"target_artifact_id":"hypothesis-h-a87702b6","link_type":"related","strength":0.65,"evidence":"Pathway page related to hypothesis pathway: Brain cholesterol homeostasis (HMGCR synthesis → CYP46A1 elimination)"},{"target_artifact_id":"hypothesis-h-58e655ee","link_type":"related","strength":0.65,"evidence":"Pathway page related to hypothesis pathway: Sphingolipid biosynthesis / cholesterol-sphingomyelin lipid raft assembly"},{"target_artifact_id":"hypothesis-h-f3fb3b91","link_type":"mentions","strength":0.5,"evidence":"Wiki content mentions gene TLR4"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-20260401-225149","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-01-gap-20260401-225149","link_type":"related","strength":0.5,"evidence":"Auto: transitive via hypothesis"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"},{"target_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"mentions","strength":0.4,"evidence":"Wiki page matches analysis keyword 'mechanisms'"}],"incoming_links":[{"source_artifact_id":"hypothesis-h-a87702b6","link_type":"related","strength":0.5850000000000001,"evidence":"Reverse: Pathway page related to hypothesis pathway: Brain cholesterol homeostasis (HMGCR synthesis → CYP46A1 elimination)"},{"source_artifact_id":"hypothesis-h-58e655ee","link_type":"related","strength":0.5850000000000001,"evidence":"Reverse: Pathway page related to hypothesis pathway: Sphingolipid biosynthesis / cholesterol-sphingomyelin lipid raft assembly"},{"source_artifact_id":"hypothesis-h-2e7eb2ea","link_type":"related","strength":0.5796,"evidence":"Reverse: Mechanism wiki 'Neuromelanin Synthesis' references gene/pathway from hypothesis"},{"source_artifact_id":"hypothesis-h-7bb47d7a","link_type":"related","strength":0.5535,"evidence":"Reverse: Mechanism wiki 'Neuromelanin Synthesis' references gene/pathway from hypothesis"},{"source_artifact_id":"hypothesis-h-13bbfdc5","link_type":"related","strength":0.4,"evidence":"Auto: reverse of wiki→hypothesis"},{"source_artifact_id":"hypothesis-h-6c83282d","link_type":"related","strength":0.4,"evidence":"Auto: reverse of wiki→hypothesis"},{"source_artifact_id":"hypothesis-h-74777459","link_type":"related","strength":0.4,"evidence":"Auto: reverse of wiki→hypothesis"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-004","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-005","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-006","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-007","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-008","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-009","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-010","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-011","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-012","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-013","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-014","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-20260401-225149","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-20260401231108","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-9137255b","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-auto-fd6b1635d9","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-v2-18cf98ca","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-v2-68d9c9c1","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-v2-691b42f1","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-v2-89432b95","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-v2-bc5f270e","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-v2-ee5a5023","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-immune-atlas-neuroinflam-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-seaad-20260402025452","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-seaad-v2-20260402032945","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-tau-propagation-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-01-gap-20260401-225149","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"},{"source_artifact_id":"analysis-SDA-2026-04-02-gap-aging-mouse-brain-20260402","link_type":"related","strength":0.5,"evidence":"Reverse link"}],"current_artifact_id":"wiki-mechanisms-neuromelanin-synthesis","is_canonical":true,"supersede_chain":["wiki-mechanisms-neuromelanin-synthesis"]}