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. 2017 Mar 10;4(2):ENEURO.0340-16.2017. doi: 10.1523/ENEURO.0340-16.2017

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Copyright © 2017 Zhang et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license, which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Figure 2. — Acute astrocyte Ca²⁺ influx through TrpA1 channels suppresses neuronal activity. A, All Alrm > TrpA1 flies became paralyzed within 30 s of exposure to 33°C, while control flies (Alrm-Gal4) show no behavioral defects. n > 80 flies per genotype; p^a < 0.0001. B, Time course of paralysis in adult flies of the indicated genotypes on exposure to 33°C; repo-Gal80 suppresses the paralysis in Alrm > TrpA1 background, while elav-Gal80 has no effect. n > 70 flies for each genotype. C, Sample traces of CPG recording from larval NMJs. Postsynaptic potentials in Alrm > TrpA1 animals diminish during a temperature ramp from room temperature (22°C) to 34°C, while Alrm-Gal4 larvae maintain normal activity.