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      Pyrroloquinoline quinone enhances regeneration of transected sciatic nerve in rats.

      Chinese journal of traumatology = Zhonghua chuang shang za zhi / Chinese Medical Association

      physiology, Animals, Male, Nerve Regeneration, drug effects, PQQ Cofactor, pharmacology, Rats, Rats, Sprague-Dawley, Sciatic Nerve, injuries, pathology

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          Abstract

          To investigate the effect of pyrroloquinoline quinone (PQQ) on nerve regeneration of transected sciatic nerve in animal models. Forty SD rats weighing 220-240 g were randomized into a PQQ group (n = 20) and a control group (n = 20). Each animal underwent sciatic nerve transection operation. After the operation, PQQ 0.5 ml (250 microg/Kg) was injected at the operation site in the PQQ group, while the same volume of normal saline was delivered in the control group. Nerve functional evaluation, electrophysiological index recording were carried out according to the experimental design. Newly generated nerve specimens were harvested 12 weeks postoperatively for morphological studies. In the PQQ group there was a good nerve regeneration and the sciatic nerve function, sciatic nerve function index, electrophysiological index and morphological appearance were superior to the control group (P < 0.05). PQQ has a remarkable effect in enhancing nerve regeneration of transected peripheral nerve.

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