aldehyde dehydrogenase 18 family member A1
Dernière mise à jour 5 Aug 2021
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The ALDH18A1 gene provides instructions for making a protein known as P5CS. This protein is found in cell structures called mitochondria, which are the energy-producing centers of cells. P5CS appears to be important for mitochondrial function, and it plays a role in the formation (synthesis) of the protein building block (amino acid) proline.
Normal function
The ALDH18A1 gene provides instructions for making a protein known as P5CS. This protein is found in cell structures called mitochondria, which are the energy-producing centers of cells. P5CS appears to be important for mitochondrial function, and it plays a role in the formation (synthesis) of the protein building block (amino acid) proline.
The formation of proline is a multi-step process that converts the amino acid glutamate to the amino acid proline. The P5CS protein carries out the first step in this process by converting the amino acid glutamate to glutamate 5-semialdehyde. Subsequent steps convert this intermediate product to the amino acid proline. The conversion of glutamate to proline is important in maintaining a supply of the amino acids needed for protein production and for energy transfer within the cell.
Conditions referring to this gene or chromosome
Other names
GSAS
PYCS
pyrroline-5-carboxylate synthetase (glutamate gamma-semialdehyde synthetase)
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Lectures complémentaires et références
- aldehyde dehydrogenase 18 family member A1; MedlinePlus, National Library of Medicine.
- Bicknell LS, Pitt J, Aftimos S, Ramadas R, Maw MA, Robertson SP. A missense mutation in ALDH18A1, encoding Delta1-pyrroline-5-carboxylate synthase (P5CS), causes an autosomal recessive neurocutaneous syndrome. Eur J Hum Genet. 2008 Oct;16(10):1176-86. doi: 10.1038/ejhg.2008.91. Epub 2008 May 14.
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- Fischer-Zirnsak B, Escande-Beillard N, Ganesh J, Tan YX, Al Bughaili M, Lin AE, Sahai I, Bahena P, Reichert SL, Loh A, Wright GD, Liu J, Rahikkala E, Pivnick EK, Choudhri AF, Kruger U, Zemojtel T, van Ravenswaaij-Arts C, Mostafavi R, Stolte-Dijkstra I, Symoens S, Pajunen L, Al-Gazali L, Meierhofer D, Robinson PN, Mundlos S, Villarroel CE, Byers P, Masri A, Robertson SP, Schwarze U, Callewaert B, Reversade B, Kornak U. Recurrent De Novo Mutations Affecting Residue Arg138 of Pyrroline-5-Carboxylate Synthase Cause a Progeroid Form of Autosomal-Dominant Cutis Laxa. Am J Hum Genet. 2015 Sep 3;97(3):483-92. doi: 10.1016/j.ajhg.2015.08.001. Epub 2015 Aug 27.
- Panza E, Escamilla-Honrubia JM, Marco-Marin C, Gougeard N, De Michele G, Morra VB, Liguori R, Salviati L, Donati MA, Cusano R, Pippucci T, Ravazzolo R, Nemeth AH, Smithson S, Davies S, Hurst JA, Bordo D, Rubio V, Seri M. ALDH18A1 gene mutations cause dominant spastic paraplegia SPG9: loss of function effect and plausibility of a dominant negative mechanism. Brain. 2016 Jan;139(Pt 1):e3. doi: 10.1093/brain/awv247. Epub 2015 Aug 21. No abstract available.
- Zampatti S, Castori M, Fischer B, Ferrari P, Garavelli L, Dionisi-Vici C, Agolini E, Wischmeijer A, Morava E, Novelli G, Haberle J, Kornak U, Brancati F. De Barsy Syndrome: a genetically heterogeneous autosomal recessive cutis laxa syndrome related to P5CS and PYCR1 dysfunction. Am J Med Genet A. 2012 Apr;158A(4):927-31. doi: 10.1002/ajmg.a.35231. Epub 2012 Mar 12. No abstract available.
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