thymidine kinase 2
Última actualización 5 de jul de 2022
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El TK2 gene provides instructions for making an enzyme called thymidine kinase 2 that functions within cell structures called mitochondria, which are found in all tissues. Mitochondria are involved in a wide variety of cellular activities, including energy production; chemical signaling; and regulation of cell growth, cell division, and cell death. Mitochondria contain their own genetic material, known as mitochondrial DNA (mtDNA), which is essential for the normal function of these structures. Thymidine kinase 2 is involved in the production and maintenance of mtDNA. Specifically, this enzyme plays a role in recycling mtDNA building blocks (nucleotides) so that errors in mtDNA sequencing can be repaired and new mtDNA molecules can be produced.
Normal function
El TK2 gene provides instructions for making an enzyme called thymidine kinase 2 that functions within cell structures called mitochondria, which are found in all tissues. Mitochondria are involved in a wide variety of cellular activities, including energy production; chemical signaling; and regulation of cell growth, cell division, and cell death. Mitochondria contain their own genetic material, known as mitochondrial DNA (mtDNA), which is essential for the normal function of these structures. Thymidine kinase 2 is involved in the production and maintenance of mtDNA. Specifically, this enzyme plays a role in recycling mtDNA building blocks (nucleotides) so that errors in mtDNA sequencing can be repaired and new mtDNA molecules can be produced.
Conditions referring to this gene or chromosome
Otros nombres
KITM_HUMAN
mt-TK
MTDPS2
MTTK
Related patient information and medicines
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Treatment for the initial chronic phase The aim of treatment is to control the disease process, to ease any symptoms and to prevent (or delay) the progress... You may be advised to have one or more of the following treatments: Imatinib tablets. This medicine is known as a tyrosine kinase inhibitor. The chemical tyrosine kinase is made by the.
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Lecturas adicionales y referencias
- thymidine kinase 2; MedlinePlus, National Library of Medicine.
- Blakely E, He L, Gardner JL, Hudson G, Walter J, Hughes I, Turnbull DM, Taylor RW. Novel mutations in the TK2 gene associated with fatal mitochondrial DNA depletion myopathy. Neuromuscul Disord. 2008 Jul;18(7):557-60. doi: 10.1016/j.nmd.2008.04.014. Epub 2008 May 27.
- Eriksson S, Wang L. Molecular mechanisms of mitochondrial DNA depletion diseases caused by deficiencies in enzymes in purine and pyrimidine metabolism. Nucleosides Nucleotides Nucleic Acids. 2008 Jun;27(6):800-8. doi: 10.1080/15257770802146197.
- Galbiati S, Bordoni A, Papadimitriou D, Toscano A, Rodolico C, Katsarou E, Sciacco M, Garufi A, Prelle A, Aguennouz M', Bonsignore M, Crimi M, Martinuzzi A, Bresolin N, Papadimitriou A, Comi GP. New mutations in TK2 gene associated with mitochondrial DNA depletion. Pediatr Neurol. 2006 Mar;34(3):177-85. doi: 10.1016/j.pediatrneurol.2005.07.013.
- Gotz A, Isohanni P, Pihko H, Paetau A, Herva R, Saarenpaa-Heikkila O, Valanne L, Marjavaara S, Suomalainen A. Thymidine kinase 2 defects can cause multi-tissue mtDNA depletion syndrome. Brain. 2008 Nov;131(Pt 11):2841-50. doi: 10.1093/brain/awn236. Epub 2008 Sep 26.
- Munch-Petersen B. Enzymatic regulation of cytosolic thymidine kinase 1 and mitochondrial thymidine kinase 2: a mini review. Nucleosides Nucleotides Nucleic Acids. 2010 Jun;29(4-6):363-9. doi: 10.1080/15257771003729591.
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