دورية أكاديمية
High final energy of gallium arsenide laser increases MyoD gene expression during the intermediate phase of muscle regeneration after cryoinjury in rats.
العنوان: | High final energy of gallium arsenide laser increases MyoD gene expression during the intermediate phase of muscle regeneration after cryoinjury in rats. |
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المؤلفون: | Santos CP; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil., Aguiar AF; Center of Research in Health Science, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, PR, 86041-120, Brazil. afaguiarunesp@gmail.com., Giometti IC; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil., Mariano TB; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil., de Freitas CEA; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil., Nai GA; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil., de Freitas SZ; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil., Pai-Silva MD; Department of Morphology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil., Pacagnelli FL; Department of Physical Therapy, University of Western São Paulo (UNOESTE), Presidente Prudente, São Paulo, Brazil. |
المصدر: | Lasers in medical science [Lasers Med Sci] 2018 May; Vol. 33 (4), pp. 843-850. Date of Electronic Publication: 2018 Jan 15. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Springer Country of Publication: England NLM ID: 8611515 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1435-604X (Electronic) Linking ISSN: 02688921 NLM ISO Abbreviation: Lasers Med Sci Subsets: MEDLINE |
أسماء مطبوعة: | Publication: London : Springer Original Publication: London : Baillière Tindall, c1986- |
مواضيع طبية MeSH: | Low-Level Light Therapy*, Athletic Injuries/*radiotherapy , Lasers, Semiconductor/*therapeutic use , Muscle, Skeletal/*injuries , MyoD Protein/*genetics, Animals ; Cold Temperature ; Collagen/genetics ; Collagen/metabolism ; Gene Expression/radiation effects ; Insulin-Like Growth Factor I/genetics ; Insulin-Like Growth Factor I/metabolism ; Male ; Muscle, Skeletal/metabolism ; Muscle, Skeletal/radiation effects ; MyoD Protein/metabolism ; Rats ; Rats, Wistar ; Tumor Necrosis Factor-alpha/genetics ; Tumor Necrosis Factor-alpha/metabolism |
مستخلص: | The aim of this study was to determine the effects of gallium arsenide (GaAs) laser on IGF-I, MyoD, MAFbx, and TNF-α gene expression during the intermediate phase of muscle regeneration after cryoinjury 21 Wistar rats were divided into three groups (n = 7 per group): untreated with no injury (control group), cryoinjury without GaAs (injured group), and cryoinjury with GaAs (GaAs-injured group). The cryoinjury was induced in the central region of the tibialis anterior muscle (TA). The region injured was irradiated once a day during 14 days using GaAs laser (904 nm; spot size 0.035 cm 2 , output power 50 mW; energy density 69 J cm -2 ; exposure time 4 s per point; final energy 4.8 J). Twenty-four hours after the last application, the right and left TA muscles were collected for histological (collagen content) and molecular (gene expression of IGF-I, MyoD, MAFbx, and TNF-α) analyses, respectively. Data were analyzed using one-way ANOVA at P < 0.05. There were no significant (P > 0.05) differences in collagen density and IGF-I gene expression in all experimental groups. There were similar (P < 0.05) decreases in MAFbx and TNF-α gene expression in the injured and GaAs-injured groups, compared to control group. The MyoD gene expression increased (P = 0.008) in the GaAs-injured group, but not in the injured group (P = 0.338), compared to control group. GaAs laser therapy had a positive effect on MyoD gene expression, but not IGF-I, MAFbx, and TNF-α, during intermediary phases (14 days post-injury) of muscle repair. |
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معلومات مُعتمدة: | 146045/2013-0 Conselho Nacional de Desenvolvimento Científico e Tecnológico |
فهرسة مساهمة: | Keywords: Gallium arsenide laser; IGF-I; MAFbx; Muscle regeneration; MyoD; TNF-α gene expression |
المشرفين على المادة: | 0 (MyoD Protein) 0 (Tumor Necrosis Factor-alpha) 67763-96-6 (Insulin-Like Growth Factor I) 9007-34-5 (Collagen) |
تواريخ الأحداث: | Date Created: 20180116 Date Completed: 20180615 Latest Revision: 20181202 |
رمز التحديث: | 20221213 |
DOI: | 10.1007/s10103-018-2439-3 |
PMID: | 29333581 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1435-604X |
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DOI: | 10.1007/s10103-018-2439-3 |