NIPAL4

NIPAL4
Identifiers
AliasesNIPAL4, ARCI6, ICHTHYIN, ICHYN, NIPA like domain containing 4, SLC57A6
External IDsOMIM: 609383; MGI: 2444671; GeneCards: NIPAL4
Orthologs
DatabasesNCBI: entry; OMA: entry
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_001099287
NM_001172292

NM_172524

RefSeq (protein)

NP_001092757
NP_001165763

NP_766112

Location (UCSC)Chr 5: 157.46 – 157.47 MbChr 11: 46.04 – 46.06 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Nipa‐Like Domain‐Containing 4, also known as NIPAL4 or Ichthyin, is a gene that is predicted to code for a transmembrane protein with nine transmembrane domains.[5] NIPAL4 codes for the protein magnesium transporter NIPA4, which acts as a Mg2+
transporter.

Expression

NIPAL4 is mainly expressed in the skin, specifically in the granular layer of the epidermis.[6]

Function

NIPAL4 codes for a magnesium transporter that can also transport other divalent cations such as Ba2+, Mn2+, Sr2+ and Co2+, though to a much less extent than Mg2+.[5] There is also evidence that NIPAL4 is involved in the synthesis of very long chain fatty acids involved in the epidermal lipid metabolism.[7] Disruptions to this pathway results in impaired skin function, causing the symptoms of ARCI.[8]

Pathology

Mutations in this gene account for 16% of autosomal recessive congenital ichthyosis (ARCI) cases, making it the 2nd most common gene involved with this disease.[9] Since its first identification in 2004, 18 disease‐causing mutations have been reported in NIPAL4.[8]

See also

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000172548Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000020411Ensembl, 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. ^ a b Lefèvre C, Bouadjar B, Karaduman A, Jobard F, Saker S, Ozguc M, et al. (October 2004). "Mutations in ichthyin a new gene on chromosome 5q33 in a new form of autosomal recessive congenital ichthyosis". Human Molecular Genetics. 13 (20): 2473–82. doi:10.1093/hmg/ddh263. hdl:11655/14560. PMID 15317751.
  6. ^ Wajid M, Kurban M, Shimomura Y, Christiano AM (2010). "NIPAL4/ichthyin is expressed in the granular layer of human epidermis and mutated in two Pakistani families with autosomal recessive ichthyosis". Dermatology. 220 (1): 8–14. doi:10.1159/000265757. PMC 2855276. PMID 20016120.
  7. ^ Mauldin EA, Crumrine D, Casal ML, Jeong S, Opálka L, Vavrova K, et al. (June 2018). "Cellular and Metabolic Basis for the Ichthyotic Phenotype in NIPAL4 (Ichthyin)-Deficient Canines". The American Journal of Pathology. 188 (6): 1419–1429. doi:10.1016/j.ajpath.2018.02.008. PMC 5971224. PMID 29548991.
  8. ^ a b Ballin N, Hotz A, Bourrat E, Küsel J, Oji V, Bouadjar B, et al. (December 2019). "Genetical, clinical, and functional analysis of a large international cohort of patients with autosomal recessive congenital ichthyosis due to mutations in NIPAL4". Human Mutation. 40 (12): 2318–2333. doi:10.1002/humu.23883. PMID 31347739.
  9. ^ Fischer J, Bourrat E (March 2020). "Genetics of Inherited Ichthyoses and Related Diseases". Acta Dermato-Venereologica. 100 (7): adv00096-196. doi:10.2340/00015555-3432. PMC 9128940. PMID 32147747.

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