ArticleThe Journal of biological chemistry2012
Inositol 1,4,5-trisphosphate 3-kinase A is a novel microtubule-associated protein: PKA-dependent phosphoregulation of microtubule binding affinity.
Article in The Journal of biological chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Article
- A calcium- and light-gated switch to induce gene expression in activated neurons.Nature biotechnology · 2017Article
- Temporally precise labeling and control of neuromodulatory circuits in the mammalian brain.Nature methods · 2017Article
- Article
- The role of inositol 1,4,5-trisphosphate 3-kinase A in regulating emotional behavior and amygdala function.Scientific reports · 2016Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inositol 1,4,5-trisphosphate 3-kinase A (IP(3)K-A) is a brain specific and F-actin-binding protein. We recently demonstrated that IP(3)K-A modulates a structural reorganization of dendritic spines through F-actin remodeling, which is required for synaptic plasticity and memory formation in brain. However, detailed functions of IP(3)K-A and its regulatory mechanisms involved in the neuronal cytoskeletal dynamics still remain unknown. In the present study, we identified tubulin as a candidate of IP(3)K-A-binding protein through proteomic screening. By various in vitro and in vivo approaches, we demonstrated that IP(3)K-A was a novel microtubule-associated protein (MAP), and the N terminus of IP(3)K-A was a critical region for direct binding to tubulin in dendritic shaft of hippocampal neurons. Moreover, PKA phosphorylated Ser-119 within IP(3)K-A, leading to a significant reduction of microtubule binding affinity. These results suggest that PKA-dependent phosphorylation and microtubule binding of IP(3)K-A are involved in its regulatory mechanism for activity-dependent neuronal events such as local calcium signaling and its synaptic targeting.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.