ArticleFASEB journal : official publication of the Federation of American Societies for Experimental Biology2015
Mistrafficking of prenylated proteins causes retinitis pigmentosa 2.
Article in FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 64 citations in OpenAlex.
- De Novo Occurrence of a Variant in ARL3 and Apparent Autosomal Dominant Transmission of Retinitis Pigmentosa.PloS one · 2016Trial
- Post-Translational Modifications in Cilia and Ciliopathies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- RP2-Associated X-linked Retinopathy: Clinical Findings, Molecular Genetics, and Natural History in a Large Cohort of Female Carriers.American journal of ophthalmology · 2024Article
- Bridging the gap of vision restoration.Frontiers in cellular neuroscience · 2024Review
- RP2-Associated X-linked Retinopathy: Clinical Findings, Molecular Genetics, and Natural History.Ophthalmology · 2023Article
- A Natural History Study ofJournal of clinical medicine · 2022Article
- A multivesicular body-like organelle mediates stimulus-regulated trafficking of olfactory ciliary transduction proteins.Nature communications · 2022Article
- Cilia proteins getting to work - how do they commute from the cytoplasm to the base of cilia?Journal of cell science · 2022Review
- Dawn and dusk peaks of outer segment phagocytosis, and visual cycle function require Rab28.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2022Article
- Conditional Deletion of Cytoplasmic Dynein Heavy Chain in Postnatal Photoreceptors.Investigative ophthalmology & visual science · 2021Article
- A quick protocol for the preparation of mouse retinal cryosections for immunohistochemistry.Open biology · 2021Article
- ARL3, a small GTPase with a functionally conserved role in primary cilia and immune synapses.Small GTPases · 2021Review
- Effect of conditional deletion of cytoplasmic dynein heavy chain DYNC1H1 on postnatal photoreceptors.PloS one · 2021Article
- On the Wrong Track: Alterations of Ciliary Transport in Inherited Retinal Dystrophies.Frontiers in cell and developmental biology · 2021Review
- An improved method for preparation of mouse retinal cryosections.European journal of histochemistry : EJH · 2020Article
- Modeling and Rescue of RP2 Retinitis Pigmentosa Using iPSC-Derived Retinal Organoids.Stem cell reports · 2020Article
- Review
- Article
- The Ras Superfamily of Small GTPases in Non-neoplastic Cerebral Diseases.Frontiers in molecular neuroscience · 2019Review
- Characterization of a novel RP2-OSTF1 interaction and its implication for actin remodelling.Journal of cell science · 2018Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 3 countries.
Funding
Abstract
The retinitis pigmentosa 2 polypeptide (RP2) functions as a GTPase-activating protein (GAP) for ARL3 (Arf-like protein 3), a small GTPase. ARL3 is an effector of phosphodiesterase 6 Δ (PDE6D), a prenyl-binding protein and chaperone of prenylated protein in photoreceptors. Mutations in the human RP2 gene cause X-linked retinitis pigmentosa (XLRP) and cone-rod dystrophy (XL-CORD). To study mechanisms causing XLRP, we generated an RP2 knockout mouse. The Rp2h(-/-) mice exhibited a slowly progressing rod-cone dystrophy simulating the human disease. Rp2h(-/-) scotopic a-wave and photopic b-wave amplitudes declined at 1 mo of age and continued to decline over the next 6 mo. Prenylated PDE6 subunits and G-protein coupled receptor kinase 1 (GRK1) were unable to traffic effectively to the Rp2h(-/-) outer segments. Mechanistically, absence of RP2 GAP activity increases ARL3-GTP levels, forcing PDE6D to assume a predominantly "closed" conformation that impedes binding of lipids. Lack of interaction disrupts trafficking of PDE6 and GRK1 to their destination, the photoreceptor outer segments. We propose that hyperactivity of ARL3-GTP in RP2 knockout mice and human patients with RP2 null alleles leads to XLRP resembling recessive rod-cone dystrophy.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.