potassium inwardly rectifying channel subfamily J member 11
Dernière mise à jour 16 janv. 2026
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The KCNJ11 gene provides instructions for making one part (subunit) of the ATP-sensitive potassium (KATP) channels that are found in specialized pancreas cells called beta cells. These KATP channels consist of eight subunits: four of these subunits are produced from the KCNJ11 gene and four are produced from another gene called ABCC8.
Normal function
The KCNJ11 gene provides instructions for making one part (subunit) of the ATP-sensitive potassium (KATP) channels that are found in specialized pancreas cells called beta cells. These KATP channels consist of eight subunits: four of these subunits are produced from the KCNJ11 gene and four are produced from another gene called ABCC8.
These KATP channels span the cell membranes of the beta cells. Beta cells secrete the hormone insulin, which helps control the levels of glucose in the blood, also called blood sugar. Glucose is a simple sugar and the primary energy source for most cells in the body. When blood glucose levels are high, the KATP channels close, which triggers the beta cells to release insulin into the bloodstream. In this way, KATP channels help regulate insulin secretion and control blood glucose levels.
Conditions referring to this gene or chromosome
Other names
ATP-sensitive inward rectifier potassium channel 11
beta-cell inward rectifier
beta-cell inward rectifier subunit
BIR
inward rectifier K(+) channel Kir6.2
inwardly rectifying potassium channel KIR6.2
Kir6.2
potassium channel, inwardly rectifying subfamily J, member 11
potassium channel, inwardly rectifying, BIR subunit
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Lectures complémentaires et références
- potassium inwardly rectifying channel subfamily J member 11; MedlinePlus, National Library of Medicine.
- Bennett K, James C, Hussain K. Pancreatic beta-cell KATP channels: Hypoglycaemia and hyperglycaemia. Rev Endocr Metab Disord. 2010 Sep;11(3):157-63. doi: 10.1007/s11154-010-9144-2.
- De Leon DD, Pinney SE. Permanent Neonatal Diabetes Mellitus. 2008 Feb 8 [updated 2025 Sep 25]. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK1447/
- Flanagan SE, Clauin S, Bellanne-Chantelot C, de Lonlay P, Harries LW, Gloyn AL, Ellard S. Update of mutations in the genes encoding the pancreatic beta-cell K(ATP) channel subunits Kir6.2 (KCNJ11) and sulfonylurea receptor 1 (ABCC8) in diabetes mellitus and hyperinsulinism. Hum Mutat. 2009 Feb;30(2):170-80. doi: 10.1002/humu.20838.
- Flanagan SE, Edghill EL, Gloyn AL, Ellard S, Hattersley AT. Mutations in KCNJ11, which encodes Kir6.2, are a common cause of diabetes diagnosed in the first 6 months of life, with the phenotype determined by genotype. Diabetologia. 2006 Jun;49(6):1190-7. doi: 10.1007/s00125-006-0246-z. Epub 2006 Apr 12.
- Gloyn AL, Siddiqui J, Ellard S. Mutations in the genes encoding the pancreatic beta-cell KATP channel subunits Kir6.2 (KCNJ11) and SUR1 (ABCC8) in diabetes mellitus and hyperinsulinism. Hum Mutat. 2006 Mar;27(3):220-31. doi: 10.1002/humu.20292.
- Golshan-Tafti M, Bahrami R, Dastgheib SA, Karimi-Zarchi M, Azizi S, Marzbanrad Z, Hajizadeh N, Aghasipour M, Yeganegi M, Shiri A, Aghili K, Neamatzadeh H. Comprehensive data on the relationship between KCNJ11 polymorphisms and gestational diabetes mellitus predisposition: a meta-analysis. J Diabetes Metab Disord. 2024 Apr 18;23(1):475-486. doi: 10.1007/s40200-024-01428-0. eCollection 2024 Jun.
- James C, Kapoor RR, Ismail D, Hussain K. The genetic basis of congenital hyperinsulinism. J Med Genet. 2009 May;46(5):289-99. doi: 10.1136/jmg.2008.064337. Epub 2009 Mar 1.
- Polak M, Cave H. Neonatal diabetes mellitus: a disease linked to multiple mechanisms. Orphanet J Rare Dis. 2007 Mar 9;2:12. doi: 10.1186/1750-1172-2-12.
- Reyes S, Park S, Johnson BD, Terzic A, Olson TM. KATP channel Kir6.2 E23K variant overrepresented in human heart failure is associated with impaired exercise stress response. Hum Genet. 2009 Dec;126(6):779-89. doi: 10.1007/s00439-009-0731-9.
- Rubio-Cabezas O, Klupa T, Malecki MT; CEED3 Consortium. Permanent neonatal diabetes mellitus--the importance of diabetes differential diagnosis in neonates and infants. Eur J Clin Invest. 2011 Mar;41(3):323-33. doi: 10.1111/j.1365-2362.2010.02409.x. Epub 2010 Nov 4.
Historique de l'article
Article également disponible en Anglais, Allemand, Espagnol, Français, Italien, Portugais, Hindi, Hébreu, Arabe, and Suédois.
16 janv. 2026 | Dernière version
1 Jan 2026 | Publié à l'origine
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