9-cis-Retinal is a natural retinoid. Dietary 9-cis-β-carotene generates 9-cis-retinoids via cleavage into 9-cis-retinal. 9-cis Retinal binds to cellular retinol-binding protein-I (CRBP-I) and CRBP-II with Kds of 8 nM and 5 nM, respectively. 9-cis-Retinal expedites differentiation and maturation of rod photoreceptors in retinal organoids. References: [1]. Kane MA, et al. Binding affinities of CRBPI and CRBPII for 9-cis-retinoids.Biochim Biophys Acta. 2011 May;1810(5):514-8. [2]. Mertz JR, et al. Identification and characterization of a stereospecific human enzyme that catalyzes 9-cis-retinol oxidation. A possible role in 9-cis-retinoic acid formation. J Biol Chem. 1997 May 2;272(18):11744-9. [3]. Kaya KD, et al. Transcriptome-based molecular staging of human stem cell-derived retinal organoids uncovers accelerated photoreceptor differentiation by 9-cis retinal. Mol Vis. 2019 Nov 11;25:663-678. [4]. Parker RO, et al. Normal cone function requires the interphotoreceptor retinoid binding protein. J Neurosci. 2009 Apr 8;29(14):4616-21.

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CAS：514-85-2