Photobiomodulation and Sida tuberculata combination declines the inflammation's markers in knee-induced osteoarthritis.
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| Title: | Photobiomodulation and Sida tuberculata combination declines the inflammation's markers in knee-induced osteoarthritis. |
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| Authors: | Yamada, Eloá Ferreira1 (AUTHOR) eloayamada@gmail.com, dos Santos Stein, Carolina2 (AUTHOR), Moresco, Rafael Noal2 (AUTHOR), Bobinski, Franciane3 (AUTHOR), Palandi, Juliete3,4 (AUTHOR), Fernandes, Paula Franson3 (AUTHOR), Folmer, Vanderlei1 (AUTHOR), da Silva, Morgana Duarte1 (AUTHOR) |
| Source: | Lasers in Medical Science. Feb2022, Vol. 37 Issue 1, p193-204. 12p. |
| Subjects: | Knee, Photobiomodulation therapy, Knee osteoarthritis, Oxidative stress, Nitrites, Osteoarthritis, Inflammation, Nitric oxide |
| Abstract: | The aim of this study was to assess potential combination effects of photobiomodulation therapy (PBMT) with Sida tuberculata extracts on the oxidative stress and antioxidant activity, as well as on the inflammatory process. Rats with knee osteoarthritis (OA) were treated with S. tuberculata extracts and PBMT (904 nm, 18 J/cm2). The animals were evaluated for nociception and edema. The blood, knee lavage and structures, spinal cord, and brainstem were collected for biochemical analyses (lipid peroxidation, protein carbonyl content, superoxide dismutase activity, non-protein thiol levels, and measurement of nitrite/nitrate). The knee structures were also used to measure cytokine levels. PBMT lowered the damage due to oxidative stress in the knee and at distant sites from the lesion. PBMT also reduced the levels of nitric oxide and cytokines, which could explain the nociception reduction mechanism. Similarly, S. tuberculata decreased the damage by oxidative stress, levels of nitrite/nitrate, and cytokines. The therapy combination reduced levels of cytokines and nitrite/nitrate. PBMT and S. tuberculata extracts reduced the oxidative stress and inflammation. It is noteworthy that PBMT increased the antioxidant activity in the knee and at sites distant from the lesion, contributing to a more significant decrease in nociception. The combination of therapies did not present significant effects on the analyzed parameters. Therefore, it is suggested that PBM is sufficient to minimize the signs and symptoms of the knee OA in our rat model. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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