Enhanced Rat Sciatic Nerve Regeneration through Silicon Tubes Implanted with Valproic Acid (Record no. 48843)

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003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625153945.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-14657
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245 10 - TITLE STATEMENT
Title Enhanced Rat Sciatic Nerve Regeneration through Silicon Tubes Implanted with Valproic Acid
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Reconstructive Microsurgery, 24(4), p.267-276, 2008
520 3# - SUMMARY, ETC.
Summary, etc. Valproic acid (VPA)is an effective antiepileptic drug and mood stabilizer. It has recently been demonstrated that VPA could promote neurite outgrowth, activate the extracellular signal-regulated kinase pathway, and increase B-cell lymphoma/leukemia-2 (bcl-2)and growth cone-associated protein 43 (GAP-43)levels in spinal cord. We hypothesized that VPA could enhance axonal regeneration in the rat. In the present research, we demonstrate the effect of VPA on peripheral nerve regeneration and recovery of motor function through a silicon tube implanted with VPA. The left sciatic nerves were exposed through dorsal-splitting incisions, and 8-mm nerve sections were excised at the middle of the thigh. Then, a 1.0-cm-long silicone tube (internal diameter,1.0 mm; exterior diameter, 2.0 mm)was used to bridge the nerve deficit, anchored to the proximal and distal terminals of the excised deficit of sciatic nerves with 9-0 nylon epineural suture. Sterile petroleum jelly was used to seal the ends of the tubes to avoid leakage. The rats in the VPA group and control group were locally delivered 10mL VPA injection (400 mg/5 mL)and normal saline, respectively, after the operation. The sciatic nerve index (SFI)was observed in each animal at 2-week intervals and electrophysiology was studied at 4-week intervals for 12 weeks. Histological and morphometrical analyses were performed at the end of the experiment (12 weeks after the operation). Using the digital image-analysis system, the thickness of the myelin sheath was measured, and total numbers of regenerated axons were counted. There was a significant difference in SFI, electrophysiological index (motor-nerve conduct velocity, amplitude of activity potential), and morphometrical results (regenerated axon number and thickness of myelin sheath)in nerve regeneration between the VPA group and controls (p<0.05). The results demonstrated that VPA is able to enhance sciatic nerve regeneration in rats, suggesting the potential clinical application of VPA for the treatment of peripheral nerve injury in humans.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element NERVE REGENERATION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SILICON TUBE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element VALPROIC ACID
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Wu, F.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Xing, D.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Peng, Z.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Rao, T.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1mEnDfdrMJ7_uaU72XEZDgFp88Hz5xFGt/view?usp=drivesdk">https://drive.google.com/file/d/1mEnDfdrMJ7_uaU72XEZDgFp88Hz5xFGt/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-14657 25.06.2025 25.06.2025 Documentos solicitados