ArticlePhotochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology2023
Effects of systemic vascular photobiomodulation using LED or laser on sensory-motor recovery following a peripheral nerve injury in Wistar rats.
Article in Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Systemic Effects of Vascular Photobiomodulation on Early Macrophage Recruitment During Skeletal Muscle Repair.Journal of biophotonics · 2026Article
- Remote photobiomodulation ameliorates behavioral and neuropathological outcomes in a rat model of repeated closed head injury.Translational psychiatry · 2025Article
- Article
- Delayed repair of the facial nerve and its negative impacts on nerve and muscle regeneration.The journal of venomous animals and toxins including tropical diseases · 2024Article
- Can infrared light really be doing what we claim it is doing? Infrared light penetration principles, practices, and limitations.Frontiers in neurology · 2024Article
- Influence of the Neuroprotective Properties of Quercetin on Regeneration and Functional Recovery of the Nervous System.Antioxidants (Basel, Switzerland) · 2023Review
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Authors and funding
10 authors.
Funding
Abstract
Peripheral nerve injury (PNI) is associated with considerable functional impairment. Photobiomodulation (PBM) has demonstrated positive effects regarding neuromuscular repair after PNI when applied locally to the nerve or injured muscle. However, the effects of systemic PBM with transcutaneous application over an important artery, which is also denominated vascular PBM (VPBM), remain unclear. The aim of the study was to compare the effects of VPBM with low-level laser (LLL) and light-emitting diode (LED) on gait, sensitivity and muscle morphology following a PNI. PNI was induced on Wistar rats using the sciatic nerve crushing technique. VPBM was performed over the rat's artery tail region with LED (850 nm, 40 mW, 3.2 J) and LLL (780 nm, 40 mW, 3.2 J). Gait functionality, mechanical (nociceptive) sensitivity, and morphology of the tibialis anterior muscle were evaluated at 7, 14, and 21 days after injury. An improvement in functional gait was shown in the VPBM-LLL group in all periods. Motor sensitivity was found after 14 days in the VPBM-LLL group. The left/right (L/R) muscle mass ratio revealed a reduction in muscle atrophy in the VPBM-LLL group at 7 days. Muscle fiber diameter increased in the VPBM-LED group at 14 days and increases in the cross-section area were found in the VPBM-LED and VPBM-LLL groups at 7 days. VPBM with both light sources (LED and LLL) positively modulated functioning and neuromuscular recovery following sciatic nerve injury in rats, with more pronounced results when using LLL.
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Registered trials
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