Cited by 680Retinal Development and DisordersRetinal Diseases and TreatmentsCellular transport and secretion

Mutations in MERTK, the human orthologue of the RCS rat retinal dystrophy gene, cause retinitis pigmentosa

Gal, Andreas, Li, Yun, Thompson, Debra A., Weir, Jessica, Orth, Ulrike, Jacobson, Samuel G., Apfelstedt-Sylla, Eckart, Vollrath, Douglas·2000·Nature Genetics

Abstract

Mutation of a receptor tyrosine kinase gene, Mertk, in the Royal College of Surgeons (RCS) rat results in defective phagocytosis of photoreceptor outer segments by the retinal pigment epithelium (RPE) and retinal degeneration. We screened the human orthologue, MERTK, located at 2q14.1 (ref. 10), in 328 DNA samples from individuals with various retinal dystrophies and found three mutations in three individuals with retinitis pigmentosa (RP). Our findings are the first conclusive evidence implicating the RPE phagocytosis pathway in human retinal disease.

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Crossref · 10.1038/81555

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15 of 15 references verified0 citation errors · 0 not checkable

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  • Engagement of the αvβ5 integrin initiates a signaling cascade that triggers OS ingestion, predominantly mediated by MERTK, which is present in the RPE apical membrane.

    “Engagement of the αvβ5 integrin initiates a signaling cascade that triggers OS ingestion, predominantly mediated by MERTK (Gal et al., 2000), a member of the Tyro-Axl-Mer (TAM) ingestion receptor family, that is present in the RPE apical membrane (Prasad et al., 2006).”

    From The cell biology of the retinal pigment epithelium (2020) · cites this paper as Gal et al., 2000

  • Secondary effects on the expression of receptors involved in POS binding and phagocytosis due to the deletion of Atg5 were not observed in Atg5ΔRPE RPE cells compared to control.

    “Secondary effects on the expression of receptors involved in POS binding and phagocytosis (Gal et al., 2000; Nandrot et al., 2007; Nandrot et al., 2004) due to the deletion of Atg5 were not observed in Atg5ΔRPE RPE cells compared to control (Figure S1).”

    From Noncanonical autophagy promotes the visual cycle (2013) · cites this paper as Gal et al., 2000

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Authors
Gal, A., Li, Y., Thompson, D. A., Weir, J., Orth, U., Jacobson, S. G., Apfelstedt-Sylla, E., & Vollrath, D.
Affiliations
  • University Medical Center Hamburg-Eppendorf (DE)
  • University of Michigan (US)
  • Stanford Medicine (US)
  • University of Pennsylvania (US)
  • University of Tübingen (DE)
Corresponding author
Vollrath, Douglas
Venue
Nature Genetics
Published
2000-11
Volume
26
Issue
3
Pages
270-271
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1507327514
Cited by
679
References
16
Citations by year
2026: 20 · 2025: 20 · 2024: 16 · 2023: 22 · 2022: 33 · 2021: 30 · 2020: 29 · 2019: 27 · 2018: 32 · 2017: 30 · 2016: 21 · 2015: 26 · 2014: 30 · 2013: 37 · 2012: 31
FWCI
8.92
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
Keywords
MERTK, retinitis pigmentosa, retinal degeneration, retinal pigment epithelium, photoreceptor outer segment phagocytosis, receptor tyrosine kinase, genetic mutations, genetic susceptibility
MeSH terms
c-Mer Tyrosine Kinase, Adult, Animals, Chromosomes, Human, Pair 2, Cloning, Molecular, Codon, Consanguinity, Disease Models, Animal, DNA Mutational Analysis, Exons, Eye Proteins, Female, Genes, Recessive, Humans, Introns, Male, Middle Aged, Phagocytosis, Proto-Oncogene Proteins, Rats, Inbred Strains, Retinal Degeneration, Retinitis Pigmentosa, Rod Cell Outer Segment, Rodent Diseases, Species Specificity, Terminator Regions, Genetic, Frameshift Mutation, Point Mutation, Sequence Deletion, Polymorphism, Single-Stranded Conformational, Amino Acid Substitution, Mutation, Missense, Receptor Protein-Tyrosine Kinases, RNA Splice Sites, Rats

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