Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/482
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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP-
dc.contributor.authorASSIS, Livia-
dc.contributor.authorMORETTI, Ana I. S.-
dc.contributor.authorABRAHAO, Thalita B.-
dc.contributor.authorCURY, Vivian-
dc.contributor.authorSOUZA, Heraldo P.-
dc.contributor.authorHAMBLIN, Michael R.-
dc.contributor.authorPARIZOTTO, Nivaldo A.-
dc.date.accessioned2013-07-30T14:41:53Z-
dc.date.available2013-07-30T14:41:53Z-
dc.date.issued2012-
dc.identifier.citationLASERS IN SURGERY AND MEDICINE, v.44, n.9, p.726-735, 2012-
dc.identifier.issn0196-8092-
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/482-
dc.description.abstractBackground and Objective Muscle regeneration is a complex phenomenon, involving coordinated activation of several cellular responses. During this process, oxidative stress and consequent tissue damage occur with a severity that may depend on the intensity and duration of the inflammatory response. Among the therapeutic approaches to attenuate inflammation and increase tissue repair, low-level laser therapy (LLLT) may be a safe and effective clinical procedure. The aim of this study was to evaluate the effects of LLLT on oxidative/nitrative stress and inflammatory mediators produced during a cryolesion of the tibialis anterior (TA) muscle in rats. Material and Methods Sixty Wistar rats were randomly divided into three groups (n?=?20): control (BC), injured TA muscle without LLLT (IC), injured TA muscle submitted to LLLT (IRI). The injured region was irradiated daily for 4 consecutive days, starting immediately after the lesion using a AlGaAs laser (continuous wave, 808?nm, tip area of 0.00785?cm2, power 30?mW, application time 47?seconds, fluence 180?J/cm2; 3.8?mW/cm2; and total energy 1.4?J). The animals were sacrificed on the fourth day after injury. Results LLLT reduced oxidative and nitrative stress in injured muscle, decreased lipid peroxidation, nitrotyrosine formation and NO production, probably due to reduction in iNOS protein expression. Moreover, LLLT increased SOD gene expression, and decreased the inflammatory response as measured by gene expression of NF-k beta and COX-2 and by TNF-a and IL-1 beta concentration. Conclusion These results suggest that LLLT could be an effective therapeutic approach to modulate oxidative and nitrative stress and to reduce inflammation in injured muscle. Lasers Surg. Med. 44: 726735, 2012. (c) 2012 Wiley Periodicals, Inc.-
dc.description.sponsorshipNational Institutes of Health (NIH) [R01AI050875]-
dc.description.sponsorshipEmergency Medicine Division [FMUSP-HC/LIM-51]-
dc.description.sponsorshipFundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2006/01096-8, 2009/01990-9]-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Cientifico (CNPq) [473537/2008-7, 151747/2007-5]-
dc.description.sponsorshipCAPES-
dc.description.sponsorshipCNPq-
dc.description.sponsorshipFAPESP-
dc.language.isoeng-
dc.publisherWILEY-BLACKWELL-
dc.relation.ispartofLasers in Surgery and Medicine-
dc.rightsrestrictedAccess-
dc.subjectlow-level laser therapy-
dc.subjectphotobiomodulation-
dc.subjectmuscle cryolesion-
dc.subjectinflammatory mediators-
dc.subjectnitrative stress-
dc.subjectoxidative stress-
dc.subject.othernf-kappa-b-
dc.subject.otherskeletal-muscle-
dc.subject.othernitric-oxide-
dc.subject.othertranscription factor-
dc.subject.otherin-vitro-
dc.subject.otherirradiation-
dc.subject.otherinjury-
dc.subject.otherregeneration-
dc.subject.otherexpression-
dc.subject.otherrepair-
dc.titleLow-level laser therapy (808 nm) reduces inflammatory response and oxidative stress in rat tibialis anterior muscle after cryolesion-
dc.typearticle-
dc.rights.holderCopyright WILEY-BLACKWELL-
dc.identifier.doi10.1002/lsm.22077-
dc.identifier.pmid23001637-
dc.subject.wosSurgery-
dc.type.categoryoriginal article-
dc.type.versionpublishedVersion-
hcfmusp.author.externalASSIS, Livia:Univ Sao Paulo, Dept Phisiotherapy, Lab Electrothermophototherapy, Sao Carlos, SP, Brazil-
hcfmusp.author.externalHAMBLIN, Michael R.:Massachusetts Gen Hosp, Wellman Labs Photomed, Boston, MA 02114 USA; Harvard Univ, Sch Med, Dept Dermatol, Boston, MA 02115 USA; Harvard MIT Div Hlth Sci & Technol, Cambridge, MA USA-
hcfmusp.author.externalPARIZOTTO, Nivaldo A.:Univ Sao Paulo, Dept Phisiotherapy, Lab Electrothermophototherapy, Sao Carlos, SP, Brazil-
hcfmusp.description.beginpage726-
hcfmusp.description.endpage735-
hcfmusp.description.issue9-
hcfmusp.description.volume44-
hcfmusp.origemWOS-
hcfmusp.origem.idWOS:000310239400005-
hcfmusp.origem.id2-s2.0-84867965847-
hcfmusp.publisher.cityHOBOKEN-
hcfmusp.publisher.countryUSA-
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dc.description.indexMEDLINE-
hcfmusp.remissive.sponsorshipCAPES-
hcfmusp.remissive.sponsorshipCNPq-
hcfmusp.remissive.sponsorshipFAPESP-
hcfmusp.remissive.sponsorshipFMUSP-HC-
hcfmusp.remissive.sponsorshipNIH-
hcfmusp.remissive.sponsorshipCAPES-
hcfmusp.remissive.sponsorshipCNPq-
hcfmusp.remissive.sponsorshipFAPESP-
hcfmusp.remissive.sponsorshipFMUSP-HC-
hcfmusp.remissive.sponsorshipNIH-
hcfmusp.lim.ref2012-
hcfmusp.citation.scopus89-
hcfmusp.scopus.lastupdate2022-06-24-
Appears in Collections:

Artigos e Materiais de Revistas Científicas - FM/MCM
Departamento de Clínica Médica - FM/MCM

Artigos e Materiais de Revistas Científicas - HC/ICHC
Instituto Central - HC/ICHC

Artigos e Materiais de Revistas Científicas - LIM/51
LIM/51 - Laboratório de Emergências Clínicas


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