RTL1

RTL1 (retrotransposon like 1) is a retrotransposon derived protein coding gene.[4] It is also known as PEG11 and is a paternally expressed imprinted gene, part of genomic imprinting. RTL1 plays an important role in the maintenance of fetal capillaries and is expressed in high quantities during late stage of fetal development.[4] The expression of this gene is important for the development of the placenta, the fetus-maternal interface. Because the placenta is the first organ to form during the development of an embryo, problems in its establishment and biological role lead to complications during gestation.[5] This organ maintains the fetus throughout the pregnancy and is therefore sensitive to disruptions. Studies in mice suggest that disruption of the RTL1 concentration, whether increasing or decreasing the amount of this protein coding gene, can lead to serious errors in the conservation of placental fetal capillaries. RTL1 knockout mice have shown obstruction in fetal development along with late fetal/neonatal death.[6] Studies from sheep homologs suggest that high expression levels of RTL1 can lead to skeletal muscle hypertrophy This is due to over-expression patterns in the paternal allele specific gene.[7]

RTL1
Identifiers
AliasesRTL1, MART1, Mar1, PEG11, retrotransposon-like 1, retrotransposon Gag like 1, SIRH2, HUR1
External IDsOMIM: 611896 MGI: 2656842 HomoloGene: 120261 GeneCards: RTL1
Gene location (Human)
Chr.Chromosome 14 (human)[1]
Band14q32.2Start100,879,753 bp[1]
End100,903,722 bp[1]
Orthologs
SpeciesHumanMouse
Entrez

388015

353326

Ensembl

ENSG00000254656

n/a

UniProt

A6NKG5

Q7M732

RefSeq (mRNA)

NM_001134888

NM_184109

RefSeq (protein)

NP_001128360

NP_908998

Location (UCSC)Chr 14: 100.88 – 100.9 Mbn/a
PubMed search[2][3]
Wikidata
View/Edit HumanView/Edit Mouse

References

  1. GRCh38: Ensembl release 89: ENSG00000254656 - Ensembl, May 2017
  2. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. Sekita Y, Wagatsuma H, Nakamura K, Ono R, Kagami M, Wakisaka N, et al. (February 2008). "Role of retrotransposon-derived imprinted gene, Rtl1, in the feto-maternal interface of mouse placenta". Nature Genetics. 40 (2): 243–8. doi:10.1038/ng.2007.51. PMID 18176565.
  5. Rossant J, Cross JC (July 2001). "Placental development: lessons from mouse mutants". Nature Reviews. Genetics. 2 (7): 538–48. doi:10.1038/35080570. PMID 11433360.
  6. Kitazawa M, Tamura M, Kaneko-Ishino T, Ishino F (February 2017). "Severe damage to the placental fetal capillary network causes mid- to late fetal lethality and reduction in placental size in Peg11/Rtl1 KO mice". Genes to Cells. 22 (2): 174–188. doi:10.1111/gtc.12465. PMID 28111885.
  7. Bidwell CA, Kramer LN, Perkins AC, Hadfield TS, Moody DE, Cockett NE (August 2004). "Expression of PEG11 and PEG11AS transcripts in normal and callipyge sheep". BMC Biology. 2: 17. doi:10.1186/1741-7007-2-17. PMC 514575. PMID 15298706.
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