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Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Subunit of ATP-sensitive potassium channels (KATP). Can form cardiac and smooth muscle-type KATP channels with KCNJ11. KCNJ11 forms the channel pore while ABCC9 is required for activation and regulation.
Gene References into Functions
Significant gene-based association between the ABCC9 gene and hippocampal sclerosis-aging appeared to be driven by a region in which a significant haplotype-based association.PMID:28131462
ABCC9 gene has been associated with Dilated Cardiomyopathy. 3 pathogenic variants have been associated with DCM: 1 missense -CM1410876-, 1 nonsense -CM040975-, and 1 small indel -CX041212.PMID:27736720
Analysis of three Cantu syndrome-associated gain of function mutations indicates that all lead to overactive K(ATP) channels, but at least two mechanisms underlie the observed gain of function: decreased ATP inhibition and enhanced MgADP activation.PMID:26621776
The patient reported here gives further evidence that these syndromes are an expression of the ABCC9-related disorders, ranging from hypertrichosis and acromegaloid facies to the severe end of Cantu syndrome.PMID:26871653
ABCC9 polymorphism associated with Brain disorders: sleep problems. depression and HS-Aging.PMID:26226329
single amino acid difference can account for the markedly different diazoxide sensitivities between channels containing either the SUR1 or SUR2A subunit isoforms.PMID:26181369
We describe novel ABCC9 variants in human brain, corresponding to altered 3'UTR length, which could lead to targeting by miR-30cPMID:26115089
Results show that a polymorphism in ABCC9 is associated with aging pathology, and exposure to sulfonylurea drugs is associated with increased risk for aging pathology among individuals who died age 85 and olderPMID:24770881
This study confirmed that specific ABCC9 single-nucleotide polymorphisms is associated with HS-Aging pathology in the Alzheimer disease.PMID:25470345
ABCC9 is a susceptibility gene for early repolarization syndrome and Brugada syndrome.PMID:24439875
A mutation (V734I) in ABCC9 increases susceptibility to coronary spasm and acute myocardial infarction.PMID:23739550
two different de novo missense mutations in the two patients with coarse facial features and hypertrichosisPMID:23307537
This study showed that variants in the SUR2 gene (ABCC9) associate with epidemiological variation in human sleep duration, which is also influenced by inter-individual differences in seasonal adaptation and chronotype.PMID:22105623
Electrophysiological experiments show that mutations in ABCC9, associated with Cantu syndrome, reduce the ATP-mediated potassium channel inhibition, resulting in channel opening.PMID:22610116
Cantu syndrome is caused by mutations in ABCC9PMID:22608503
mammalian oocytes express K(ATP) channels. Real-time PCR revealed that mRNA for Kir6.1, Kir6.2, SUR2A and SUR2B, were present in human oocytes of different stages.PMID:20847183
sequence variants in ABCC9 is unlikely to contribute to variation in postural change in systolic blood pressurePMID:19952277
These findings suggest that abnormal localization of the SUR2A K(+) channel protein leads to reduced K(ATP) channel activity in familial hypokalemic periodic paralysis.PMID:19962959
Assembly limits the pharmacological complexity of ATP-sensitive potassium channelsPMID:11825905
down-regulation of this channel may facilitate myometrial function during late pregnancyPMID:12356945
In corporal smooth muscle is composed of Kir6.1-Kir6.2 construct expressed with SUR2B.K(ATP) channel in corporal smooth muscle cells is composed of heteromultimers of Kir6.1 and Kir6.2 with the ratio of 3 : 1 or 4 : 0 and SUR2B.PMID:12934053
role of mutation in human dilated cardiomyopathy and effect on KATP channel gatingPMID:15034580
Syn-1A binds both NBFs of SUR1 and SUR2A but appears to exhibit distinct interactions with NBF2 of these SUR proteins in modulating the KATP channels in islet beta cells and cardiac myocytesPMID:15339904
newly discovered 734Ile allele in ABCC9 might influence susceptibility to precocious myocardial infarct in our populationPMID:16563363
Results describe a new function of the Kir6.1-SUR2A complex, namely the regulation of paracellular permeability through tight junctions.PMID:16820413
review the structure and function of ABC proteins and discuss SUR, its regulation of the K(ATP) channel, and its role in cardiovascular disease.PMID:18239147
caveolin-dependent internalization is involved in PKC-epsilon-mediated inhibition of vascular K(ATP) channels (Kir6.1 and SUR2B) by phorbol 12-myristate 13-acetate or angiotensin IIPMID:18663158
Kir6.1/SUR2B is the major functional K(ATP) channel complex in the pig MMA and MCA, and mRNA expression studies suggest that the human MMA shares this K(ATP) channel subunit profilePMID:18996111