Title : Myotubularin related protein-2 and its phospholipid substrate PIP2 control Piezo2-mediated mechanotransduction in peripheral sensory neurons.

Pub. Date : 2018 Mar 9

PMID : 29521261






6 Functional Relationships(s)
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1 Experiments with catalytically inactive Mtmr2, pharmacological blockers of PI(3,5)P2 synthesis, and osmotic stress suggest that Mtmr2-dependent Piezo2 inhibition involves depletion of PI(3,5)P2. phosphatidyl (3,5) inositol biphosphate piezo-type mechanosensitive ion channel component 2 Mus musculus
2 Experiments with catalytically inactive Mtmr2, pharmacological blockers of PI(3,5)P2 synthesis, and osmotic stress suggest that Mtmr2-dependent Piezo2 inhibition involves depletion of PI(3,5)P2. phosphatidyl (3,5) inositol biphosphate piezo-type mechanosensitive ion channel component 2 Mus musculus
3 Further, we identified a PI(3,5)P2 binding region in Piezo2, but not Piezo1, that confers sensitivity to Mtmr2 as indicated by functional analysis of a domain-swapped Piezo2 mutant. phosphatidyl (3,5) inositol biphosphate piezo-type mechanosensitive ion channel component 2 Mus musculus
4 Further, we identified a PI(3,5)P2 binding region in Piezo2, but not Piezo1, that confers sensitivity to Mtmr2 as indicated by functional analysis of a domain-swapped Piezo2 mutant. phosphatidyl (3,5) inositol biphosphate piezo-type mechanosensitive ion channel component 2 Mus musculus
5 Altogether, our results propose local PI(3,5)P2 modulation via Mtmr2 in the vicinity of Piezo2 as a novel mechanism to dynamically control Piezo2-dependent mechanotransduction in peripheral sensory neurons. phosphatidyl (3,5) inositol biphosphate piezo-type mechanosensitive ion channel component 2 Mus musculus
6 Altogether, our results propose local PI(3,5)P2 modulation via Mtmr2 in the vicinity of Piezo2 as a novel mechanism to dynamically control Piezo2-dependent mechanotransduction in peripheral sensory neurons. phosphatidyl (3,5) inositol biphosphate piezo-type mechanosensitive ion channel component 2 Mus musculus