sarcoglycan epsilon
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A SGCE gene provides instructions for making a protein called epsilon (ε)-sarcoglycan, whose function is unknown. The ε-sarcoglycan protein is found within the outer membrane of cells in tissues throughout the body, but it is most abundant in nerve cells (neurons) in the brain and in muscle cells. Researchers suspect that in the brain the ε-sarcoglycan protein plays a role in the functioning of synapses, which are the connections between neurons where cell-to-cell communication occurs.
Normal function
A SGCE gene provides instructions for making a protein called epsilon (ε)-sarcoglycan, whose function is unknown. The ε-sarcoglycan protein is found within the outer membrane of cells in tissues throughout the body, but it is most abundant in nerve cells (neurons) in the brain and in muscle cells. Researchers suspect that in the brain the ε-sarcoglycan protein plays a role in the functioning of synapses, which are the connections between neurons where cell-to-cell communication occurs.
People inherit one copy of most genes from their mother (the maternal copy) and one copy from their father (the paternal copy). Both copies are typically active, or "turned on," in cells. However, only the paternal copy of the SGCE gene is active. This sort of parent-specific difference in gene activation is caused by a phenomenon called genomic imprinting.
Conditions referring to this gene or chromosome
Other names
DYT11
ESG
sarcoglycan, epsilon
SGCE_HUMAN
Leitura adicional e referências
- sarcoglycan epsilon; MedlinePlus, National Library of Medicine.
- Esapa CT, Waite A, Locke M, Benson MA, Kraus M, McIlhinney RA, Sillitoe RV, Beesley PW, Blake DJ. SGCE missense mutations that cause myoclonus-dystonia syndrome impair epsilon-sarcoglycan trafficking to the plasma membrane: modulation by ubiquitination and torsinA. Hum Mol Genet. 2007 Feb 1;16(3):327-42. doi: 10.1093/hmg/ddl472. Epub 2007 Jan 2.
- Grabowski M, Zimprich A, Lorenz-Depiereux B, Kalscheuer V, Asmus F, Gasser T, Meitinger T, Strom TM. The epsilon-sarcoglycan gene (SGCE), mutated in myoclonus-dystonia syndrome, is maternally imprinted. Eur J Hum Genet. 2003 Feb;11(2):138-44. doi: 10.1038/sj.ejhg.5200938.
- Nardocci N, Zorzi G, Barzaghi C, Zibordi F, Ciano C, Ghezzi D, Garavaglia B. Myoclonus-dystonia syndrome: clinical presentation, disease course, and genetic features in 11 families. Mov Disord. 2008 Jan;23(1):28-34. doi: 10.1002/mds.21715.
- Peall KJ, Kurian MA, Wardle M, Waite AJ, Hedderly T, Lin JP, Smith M, Whone A, Pall H, White C, Lux A, Jardine PE, Lynch B, Kirov G, O'Riordan S, Samuel M, Lynch T, King MD, Chinnery PF, Warner TT, Blake DJ, Owen MJ, Morris HR. SGCE and myoclonus dystonia: motor characteristics, diagnostic criteria and clinical predictors of genotype. J Neurol. 2014 Dec;261(12):2296-304. doi: 10.1007/s00415-014-7488-3. Epub 2014 Sep 11.
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