• Mol Pain · Apr 2022

    Effects of Fu's Subcutaneous Needling on Mitochondrial Structure and Function in Rats with Sciatica.

    • Yaping Li, Xianghui Gao, Hailiang Huang, Xiyan Zhou, Yunhua Zang, and Li-Wei Chou.
    • Department of Integrated traditional Chinese and Western medicine, 372527Weifang Medical College, Weifang, China.
    • Mol Pain. 2022 Apr 1; 18: 17448069221108717.

    AbstractTo observe the effects of Fu's subcutaneous needling (FSN) and acupuncture treatment on the mitochondrial structure and function of the skeletal muscle tissue of rats with sciatica. Forty Sprague-Dawley rats were divided into control, model, acupuncture, and FSN groups (10 each) according to a random number table. The control group was left untreated. Rats in the FSN group were treated with FSN once every 2 days for three times, respectively (days 1, 3, 5, and 7), to cooperate with reperfusion approach. The acupuncture group was treated at the same timeline as that of the FSN group. Changes in the mechanical pain threshold, mitochondrial ultrastructure, mitochondrial citrate synthase (CS) activities, mitochondrial respiratory chain complex II, and mitochondrial COX- I protein expression in the skeletal muscle of rats treated with different treatments were compared with those of the model group. The pain thresholds of the rats were remarkably higher after FSN treatment and acupuncture, and the pain threshold of the FSN group was higher than that of the acupuncture group. Compared with the control group, the mitochondria of the model group had a damaged ultrastructure, were arranged in a disorganized manner, accumulated under the basement membrane, and appeared vacuolated with autophagosomes. The state of mitochondria in the FSN group was close to that in the control group and was remarkably better than that in the acupuncture group. The activities of mitochondrial CS and respiratory chain complex II in the skeletal muscle of the treated rats decreased compared with the control group (p < 0.05), and their levels were better in the FSN group than in the acupuncture group (p < 0.05). FSN treatment for 1 week considerably improved the pain thresholds and improved the skeletal muscle mitochondrial ultrastructure and mitochondrial function in rats with sciatica.

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