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(2011). https://pubmed.ncbi.nlm.nih.gov/21322544/ DOI: 10.1021/bi101906y","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"tissue_or_cell_type","value_text":"Retina and purified protein","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"a4a66a94-08c7-5fd4-8ff2-a9108ff71516","evidence_kind":"source_excerpt","locator":"Lines 138-149","start_line":138,"end_line":149,"excerpt":"### lutein-gstp1-distinction\nThe study distinguishes GSTP1-associated zeaxanthin binding from StARD3-associated lutein binding.\nCondition category: normal\nnutrient_topic: Lutein research collection; topical membership is not evidence of a direct dietary effect.\nplain_language: The two pigments have different identified binding proteins.\norganism: Human protein and monkey retinal tissue\ntissue_or_cell_type: Retina and purified protein\nexperimental_model: Recombinant binding assays and primate retinal localization\nlimitations: Binding does not prove net retinal delivery or clinical benefit; localization is from monkey tissue.\nexposure: Surface plasmon resonance and immunohistochemistry\nevidence_span: {\"source_cache\": \"artifacts/lutein-research/21322544.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"e0362dd86389ecba7d75e2628ffcd785ea404e40a709084dd5a0749a4cfb89fa\", \"start_char\": 0, \"end_char\": 1825, \"text_sha256\": \"e0362dd86389ecba7d75e2628ffcd785ea404e40a709084dd5a0749a4cfb89fa\"}\n[lutein-p21322544] Identification of StARD3 as a lutein-binding protein in the macula of the primate retina. 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