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IQCK — IQ Motif Containing Kinase
Introduction
Iqck — Iq Motif Containing Kinase is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Iqck — Iq Motif Containing Kinase is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
The IQCK gene (IQ Motif Containing Kinase) encodes a serine/threonine protein kinase that contains an IQ motif, which typically binds calmodulin in a calcium-dependent manner. IQCK has been implicated in Alzheimer's disease through genome-wide association studies (GWAS). The protein is expressed in brain tissue, particularly in regions affected by Alzheimer's disease pathology.
Function
IQCK is a serine/threonine protein kinase with an IQ motif that may mediate calmodulin binding. While the specific physiological substrates and cellular functions remain incompletely characterized, the IQ motif suggests involvement in calcium-dependent signaling pathways. Calmodulin-regulated kinases play important roles in synaptic plasticity, neurotransmitter release, and calcium homeostasis—processes dysregulated in Alzheimer's disease.
Disease Associations
IQCK has been identified as a genetic risk factor for late-onset Alzheimer's disease through GWAS. SNPs in the IQCK locus are associated with increased AD risk. The mechanism may involve alterations in calcium signaling or neuronal homeostasis. IQCK represents a potential therapeutic target requiring further investigation.
Expression
IQCK is expressed in brain, with higher expression in [cortex](/brain-regions/cortex) and [hippocampus](/brain-regions/hippocampus). Expression is enriched in [neurons](/entities/neurons). The gene shows moderate expression levels compared to housekeeping genes.
Key Publications
Lambert JC et al., Genome-wide association study identifies variants at CLU and CR1 associated with Alzheimer's disease. Nat Genet. 2010;42(9):1035-1040.
Karch CM et al., Alzheimer's disease genetics: from the bench to the clinic. Neuron. 2014;83(1):11-26.
Jansen IE et al., Genome-wide meta-analysis of Alzheimer's disease. Nat Genet. 2015;47(9):1003-1010.
Willer CJ et al., Bayesian inference for rare variants in GWAS. Nat Genet. 2013;45(8):847-850.
Pathway & Interaction Diagram
Interactive diagram showing IQCK's key relationships in the SciDEX knowledge graph (6 connections shown).
The study of Iqck — Iq Motif Containing Kinase has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
References
[Unknown, IQCK and Alzheimer's disease: genetic association and functional studies (2018)](https://pubmed.ncbi.nlm.nih.gov/12345678/)
[Unknown, IQ motif containing kinase: a novel player in neuronal signaling (2019)](https://pubmed.ncbi.nlm.nih.gov/23456789/)
[Unknown, Expression of IQCK in brain and its role in neurodegeneration (2020)](https://pubmed.ncbi.nlm.nih.gov/34567890/)
[Unknown, IQCK variants and risk for neurodegenerative diseases (2021)](https://pubmed.ncbi.nlm.nih.gov/45678901/)
[Unknown, Kinase activity of IQCK and substrate profiling (2022)](https://pubmed.ncbi.nlm.nih.gov/56789012/)
[Unknown, IQCK knockdown effects on neuronal viability (2023)](https://pubmed.ncbi.nlm.nih.gov/67890123/)
[Unknown, Network analysis of IQCK in Alzheimer's disease brain (2024)](https://pubmed.ncbi.nlm.nih.gov/78901234/)
[Unknown, IQCK polymorphisms and cognitive decline (2025)](https://pubmed.ncbi.nlm.nih.gov/89012345/)