Photobiomodulation therapy on expression of HSP70 protein and tissue repair in experimental acute Achilles tendinitis.
RatChemical/toxinWistarMalen = 30 rats in total: control n = 8, tendinitis n = 11, LED n =…Transcutaneous irradiation in contact with the skin over the tendon, spot size 1 cm9 J per point (9 J/cm2) delivered over 30 s at one point ov…First irradiation 1 h after collagenase injury
Model: Acute Achilles tendinitis induced by peritendinous injection of collagenase (100 microlitres)
Photobiomodulation increased mean HSP70 HSCORE, fibroblast number and collagen content relative to untreated tendinitis and control groups (P less than or equal to 0.05).
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