Paclitaxel Reduces Axonal Bclw to Initiate IP(3)R1-Dependent Axon Degeneration.
Paclitaxel Reduces Axonal Bclw to Initiate IP(3)R1-Dependent Axon Degeneration.
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DOI:
10.1016/j.neuron.2017.09.034
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发表时间:
2017-10-11
期刊:
影响因子:
16.2
通讯作者:
Segal RA
中科院分区:
文献类型:
--
作者:
Pease-Raissi SE;Pazyra-Murphy MF;Li Y;Wachter F;Fukuda Y;Fenstermacher SJ;Barclay LA;Bird GH;Walensky LD;Segal RA
Chemotherapy induced peripheral neuropathy (CIPN) is a debilitating side effect of many cancer treatments. The hallmark of CIPN is degeneration of long axons required for transmission of sensory information; axonal degeneration causes impaired tactile sensation and persistent pain. Currently the molecular mechanisms of CIPN are not understood, and there are no available treatments. Here we show that the chemotherapeutic agent paclitaxel triggers CIPN by altering IP3 receptor phosphorylation and intracellular calcium flux, and activating calcium-dependent calpain proteases. Concomitantly paclitaxel impairs axonal trafficking of RNA-granules and reduces synthesis of Bclw (bcl2l2), a Bcl2 family member that binds IP3R1 and restrains axon degeneration. Surprisingly, Bclw or a stapled peptide corresponding to the Bclw BH4 domain interact with axonal IP3R1 and prevent paclitaxel-induced degeneration, while Bcl2 and BclxL cannot do so. Together these data identify a Bclw-IP3R1-dependent cascade that causes axon degeneration, and suggest Bclw-mimetics could provide effective therapy to prevent CIPN.
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影响因子:
20.3
作者:
Anderson, Mary Ann;Deng, Jing;Roberts, Andrew W.
通讯作者:
Roberts, Andrew W.
影响因子:
16
作者:
Barclay, Lauren A.;Wales, Thomas E.;Garner, Thomas P.;Wachter, Franziska;Lee, Susan;Guerra, Rachel M.;Stewart, Michelle L.;Braun, Craig R.;Bird, Gregory H.;Gavathiotis, Evripidis;Engen, John R.;Walensky, Loren D.
通讯作者:
Walensky, Loren D.
DOI:
10.1523/jneurosci.3347-10.2011
发表时间:
2011-02-02
期刊:
The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子:
--
作者:
Courchesne SL;Karch C;Pazyra-Murphy MF;Segal RA
通讯作者:
Segal RA
DOI:
10.1523/jneurosci.4065-10.2011
发表时间:
2011-01-19
期刊:
The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子:
--
作者:
Barrientos SA;Martinez NW;Yoo S;Jara JS;Zamorano S;Hetz C;Twiss JL;Alvarez J;Court FA
通讯作者:
Court FA
影响因子:
25
作者:
Cosker KE;Fenstermacher SJ;Pazyra-Murphy MF;Elliott HL;Segal RA
通讯作者:
Segal RA