{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Solanki AK"],"funding":["National Institutes of Health"],"pagination":["1322"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8229726"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["10(6)"],"pubmed_abstract":["Unconventional myosins, linked to deafness, are also proposed to play a role in retinal cell physiology. However, their direct role in photoreceptor function remains unclear. We demonstrate that systemic loss of the unconventional myosin MYO1C in mice, specifically causes rhodopsin mislocalization, leading to impaired visual function. Electroretinogram analysis of Myo1c knockout (Myo1c-KO) mice showed a progressive loss of photoreceptor function. Immunohistochemistry and binding assays demonstrated MYO1C localization to photoreceptor inner and outer segments (OS) and identified a direct interaction of rhodopsin with MYO1C. In Myo1c-KO retinas, rhodopsin mislocalized to rod inner segments (IS) and cell bodies, while cone opsins in OS showed punctate staining. In aged mice, the histological and ultrastructural examination of the phenotype of Myo1c-KO retinas showed progressively shorter photoreceptor OS. These results demonstrate that MYO1C is important for rhodopsin localization to the photoreceptor OS, and for normal visual function."],"journal":["Cells"],"pubmed_title":["Loss of Motor Protein MYO1C Causes Rhodopsin Mislocalization and Results in Impaired Visual Function."],"pmcid":["PMC8229726"],"funding_grant_id":["R21EY025034 and R01EY030889 to G.P.L; 2R01DK087956-06A1, R56-DK116887-01A1, and 1R03TR003038-01 to D.N.; EY027013-02 to M.R.B.; and R01EY027355 to S.H."],"pubmed_authors":["Husain S","Rahman B","Arif E","Lobo GP","Walterhouse S","Knolker HJ","Nihalani D","Montezuma SR","Biswal MR","Kondkar AA","Martin R","Solanki AK"],"additional_accession":[]},"is_claimable":false,"name":"Loss of Motor Protein MYO1C Causes Rhodopsin Mislocalization and Results in Impaired Visual Function.","description":"Unconventional myosins, linked to deafness, are also proposed to play a role in retinal cell physiology. However, their direct role in photoreceptor function remains unclear. We demonstrate that systemic loss of the unconventional myosin MYO1C in mice, specifically causes rhodopsin mislocalization, leading to impaired visual function. Electroretinogram analysis of Myo1c knockout (Myo1c-KO) mice showed a progressive loss of photoreceptor function. Immunohistochemistry and binding assays demonstrated MYO1C localization to photoreceptor inner and outer segments (OS) and identified a direct interaction of rhodopsin with MYO1C. In Myo1c-KO retinas, rhodopsin mislocalized to rod inner segments (IS) and cell bodies, while cone opsins in OS showed punctate staining. In aged mice, the histological and ultrastructural examination of the phenotype of Myo1c-KO retinas showed progressively shorter photoreceptor OS. These results demonstrate that MYO1C is important for rhodopsin localization to the photoreceptor OS, and for normal visual function.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 May","modification":"2024-02-15T08:04:38.05Z","creation":"2022-02-10T18:32:31.506Z"},"accession":"S-EPMC8229726","cross_references":{"pubmed":["34073294"],"doi":["10.3390/cells10061322"]}}