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LRRC8E

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LRRC8E
Identifiers
AliasesLRRC8E, leucine rich repeat containing 8 family member E, leucine rich repeat containing 8 VRAC subunit E
External IDsOMIM: 612891; MGI: 1919517; HomoloGene: 11817; GeneCards: LRRC8E; OMA:LRRC8E - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_001268284
NM_001268285
NM_025061

NM_028175

RefSeq (protein)

NP_001255213
NP_001255214
NP_079337

NP_082451

Location (UCSC)Chr 19: 7.89 – 7.9 MbChr 8: 4.28 – 4.29 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Leucine-rich repeat-containing protein 8E is a protein that in humans is encoded by the LRRC8E gene.[5] Researchers have found out that this protein, along with the other LRRC8 proteins LRRC8A, LRRC8B, LRRC8C, and LRRC8D, is sometimes a subunit of the heteromer protein volume-regulated anion channel.[6] Volume-Regulated Anion Channels (VRACs) are crucial to the regulation of cell size by transporting chloride ions and various organic osmolytes, such as taurine or glutamate, across the plasma membrane,[7] and that is not the only function these channels have been linked to.

While LRRC8E is one of many proteins that can be part of VRAC, research has found that it is not as crucial to the activity of the channel in comparison to LRRC8A and LRRC8D.[8][9][10] However, while we know that LRRC8A and LRRC8D are necessary for VRAC function, other studies have found that they are not sufficient for the full range of usual VRAC activity.[11] This is where the other LRRC8 proteins come in, such as LRRC8E, as the different composition of these subunits affects the range of specificity for VRACs.[12][10]

In addition to its role in VRACs, the LRRC8 protein family is also associated with agammaglobulinemia-5.[13]

Specifically for LRRC8E, there has been a recent study that found that this gene was nominally associated with panic disorder.[14]

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000171017Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000046589Ensembl, 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. ^ "Entrez Gene: LRRC8A leucine rich repeat containing 8 family, member A".
  6. ^ Voss FK, Ullrich F, Münch J, Lazarow K, Lutter D, Mah N, Andrade-Navarro MA, von Kries JP, Stauber T, Jentsch TJ (May 2014). "Identification of LRRC8 heteromers as an essential component of the volume-regulated anion channel VRAC" (PDF). Science. 344 (6184): 634–8. doi:10.1126/science.1252826. PMID 24790029. S2CID 24709412.
  7. ^ Jentsch TJ (May 2016). "VRACs and other ion channels and transporters in the regulation of cell volume and beyond". Nature Reviews Molecular Cell Biology. 17 (5): 293–307. doi:10.1038/nrm.2016.29. PMID 27033257. S2CID 40565653.
  8. ^ Hyzinski-García MC, Rudkouskaya A, Mongin AA (November 2014). "LRRC8A protein is indispensable for swelling-activated and ATP-induced release of excitatory amino acids in rat astrocytes". The Journal of Physiology. 592 (22): 4855–62. doi:10.1113/jphysiol.2014.278887. PMC 4259531. PMID 25172945.
  9. ^ Yamada T, Wondergem R, Morrison R, Yin VP, Strange K (October 2016). "Leucine-rich repeat containing protein LRRC8A is essential for swelling-activated Cl- currents and embryonic development in zebrafish =" [[Change of inulin- and chloride-spaces during acute metabolic acidosis in the rat]]. Physiological Reports. 4 (19): 16–27. doi:10.14814/phy2.12940. PMC 5064130. PMID 27688432.
  10. ^ a b Planells-Cases R, Lutter D, Guyader C, Gerhards NM, Ullrich F, Elger DA, Kucukosmanoglu A, Xu G, Voss FK, Reincke SM, Stauber T, Blomen VA, Vis DJ, Wessels LF, Brummelkamp TR, Borst P, Rottenberg S, Jentsch TJ (December 2015). "Subunit composition of VRAC channels determines substrate specificity and cellular resistance to Pt-based anti-cancer drugs". The EMBO Journal. 34 (24): 2993–3008. doi:10.15252/embj.201592409. PMC 4687416. PMID 26530471.
  11. ^ Okada T, Islam MR, Tsiferova NA, Okada Y, Sabirov RZ (March 2017). "Specific and essential but not sufficient roles of LRRC8A in the activity of volume-sensitive outwardly rectifying anion channel (VSOR)". Channels. 11 (2): 109–120. doi:10.1080/19336950.2016.1247133. PMC 5398601. PMID 27764579.
  12. ^ Lutter D, Ullrich F, Lueck JC, Kempa S, Jentsch TJ (March 2017). "Selective transport of neurotransmitters and modulators by distinct volume-regulated LRRC8 anion channels". Journal of Cell Science. 130 (6): 1122–1133. doi:10.1242/jcs.196253. PMID 28193731.
  13. ^ Sawada A, Takihara Y, Kim JY, Matsuda-Hashii Y, Tokimasa S, Fujisaki H, Kubota K, Endo H, Onodera T, Ohta H, Ozono K, Hara J (December 2003). "A congenital mutation of the novel gene LRRC8 causes agammaglobulinemia in humans". The Journal of Clinical Investigation. 112 (11): 1707–13. doi:10.1172/JCI18937. PMC 281644. PMID 14660746.
  14. ^ Gregersen NO, Buttenschøn HN, Hedemand A, Nielsen MN, Dahl HA, Kristensen AS, Johansen O, Woldbye DP, Erhardt A, Kruse TA, Wang AG, Børglum AD, Mors O (December 2016). "Association between genes on chromosome 19p13.2 and panic disorder". Psychiatric Genetics. 26 (6): 287–292. doi:10.1097/YPG.0000000000000147. PMID 27610895. S2CID 24158676.

Further reading