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Adduct detection and calcium responses do not prove cancer prevention or direct channel binding.\nexposure: Boric acid 100–1,000 µM; methylboronic acid comparator\nevidence_span: {\"source_cache\": \"artifacts/boron-research/18516691.abstract.txt\", \"locator\": \"Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"5fc4f02e11634c2a2d111a99ee4c6175fe8839a8f28152b656b3c29be6745206\", \"start_char\": 0, \"end_char\": 1733, \"text_sha256\": \"5fc4f02e11634c2a2d111a99ee4c6175fe8839a8f28152b656b3c29be6745206\"}\n[boron-p18516691] Boric acid inhibits stored Ca2+ release in DU-145 prostate cancer cells. (2009). https://pubmed.ncbi.nlm.nih.gov/18516691/ DOI: 10.1007/s10565-008-9085-7","model_system":"Human prostate cancer cell culture and mass spectrometry","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. Study references: [boron-p18516691] Boric acid inhibits stored Ca2+ release in DU-145 prostate cancer cells. (2009). https://pubmed.ncbi.nlm.nih.gov/18516691/ DOI: 10.1007/s10565-008-9085-7","relationship":"supports","weight":1.0,"link_notes":"","source":{"id":"2d96c547-aeec-5d8b-9d31-1288da209f89","stable_key":"import-7edf94bb-95c8-5234-9161-9eb338bb9b36","title":"Boron: chemistry, nutrient interactions, low-intake studies and mechanistic uncertainties (2026-09-17)","document_type":"imported_text","citation_label":"AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text.","file_path":"","sha256":"0a32c1c5c70cfb4a378f6ace35cf5b75d90ed3065ada91b9f9f64015d603c8e3","revision_id":"38f316f2-4344-542e-a638-0ac5402f678d","review_status":"unverified_draft","notes":""}}],"relations":[],"conflicts":[],"corrections":[],"research":null}