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Fukutin-related protein

From Wikipedia, the free encyclopedia

FKRP
Identifiers
AliasesFKRP, LGMD2I, MDC1C, MDDGA5, MDDGB5, MDDGC5, fukutin related protein, LGMDR9, FKTR
External IDsOMIM: 606596 MGI: 2447586 HomoloGene: 11513 GeneCards: FKRP
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_001039885
NM_024301

NM_173430
NM_001358846

RefSeq (protein)

NP_001034974
NP_077277

NP_775606
NP_001345775

Location (UCSC)Chr 19: 46.75 – 46.78 MbChr 7: 16.54 – 16.55 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Fukutin-related protein (FKRP) is also known as FKRP_HUMAN, LGMD2I, MDC1C, MDDGA5, MDDGB5, and MDDGC5. FKRP can be located in the brain, cardiac muscle and skeletal muscle, and in cells it is found in the Golgi apparatus.[5] Fukutin is expressed in the mammalian retina and is located in the Golgi complex of retinal neurons.[6]

The genomic location of the FKRP gene is on chromosome 19. FKRP is a ribitol-5-phosphate (enzyme) glycosyltranferase, which means this enzyme helps create glycosidic linkages to an acceptor. In glycosylation of α-dystroglycan (sugar chain) it adds a ribitol-5-phosphate onto the M3 core O-mannosylation of α-dystroglycan to create O-linked mannosylation.[7] Without this linkage α-dystroglycan will not function properly, this can cause issues with the cytoskeleton, and extracellular matrix. In skeletal muscles the α-dystroglycan helps stabilize and protect muscle fibers, in the brain it directs movement of nerve cells.[8] This could be caused by mutations that binds ribitol-5-phosphate to the α-dystroglycan incorrectly. These mutations have been found to be associated with congenital muscular dystrophy, dystroglycanopathies, and Walker-Warburg syndrome.[9] The severity of these diseases are correlated to the amount of mutations occurring. Possible therapy options for FKRP mutations include small molecules, gene delivery, and cell therapy.

See also

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000181027Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000048920Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ "FKRP gene: MedlinePlus Genetics". medlineplus.gov. Retrieved 2022-05-05.
  6. ^ Haro C, Uribe ML, Quereda C, Cruces J, Martín-Nieto J (2018). "Expression in retinal neurons of fukutin and FKRP, the protein products of two dystroglycanopathy-causative genes". Molecular Vision. 24: 43–58. PMC 5783743. PMID 29416295.
  7. ^ Ortiz-Cordero C, Azzag K, Perlingeiro RC (March 2021). "Fukutin-Related Protein: From Pathology to Treatments". Trends in Cell Biology. 31 (3): 197–210. doi:10.1016/j.tcb.2020.11.003. PMC 8657196. PMID 33272829.
  8. ^ "FKRP gene: MedlinePlus Genetics". medlineplus.gov. Retrieved 2022-05-05.
  9. ^ Mercuri E, Topaloglu H, Brockington M, Berardinelli A, Pichiecchio A, Santorelli F, et al. (February 2006). "Spectrum of brain changes in patients with congenital muscular dystrophy and FKRP gene mutations". Archives of Neurology. 63 (2): 251–257. doi:10.1001/archneur.63.2.251. PMID 16476814.

External links

This page was last edited on 31 August 2022, at 09:17
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