Involvement of Mrgprd-expressing nociceptors-recruited spinal mechanisms in nerve injury-induced mechanical allodynia.

By recording neurons in the superficial layer in which pain output neurons are mainly located, we observed an obvious trend of increment in the percentage of Aβ-eEPSCs and Aβ-eAPs: 27% (8 of 30) vs. 52% (11 of 21, Chi-square test, p = 0.0616), and 10% (3 of 30) vs. 29% (6 of 21, Chi-square test, p = 0.0869) in yellow light group versus blue light group, respectively ( Figure S6 J).

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