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KMID : 1204320190350010028
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Laboratory Animal Research
2019 Volume.35 No. 1 p.28 ~ p.28
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An improvement in acute wound healing in rats by the synergistic effect of photobiomodulation and arginine
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Mostafavinia Atarodsadat
Bidram Mohammad
Avili Amirhossein Gomi
Mahmanzar Mohammadamin
Karimifard Seyed Ali
Sajadi Ensieh
Amini Abdollah
Jahromy Mahsa Hadipour
Ghoreishi Seyed Kamran
Chien Sufan
Bayat Mohammad
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Abstract
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In this probe, at first we examined the best route and dosage of arginine administration on wound healing in an excisional wound model in rats. Next, we intend to assess the impact of photobiomodulation (PBM) and arginine, individually and together, on the wound healing. In the pilot study, an excisional wound was made in each of 24 rats. There were 4 groups. Group 1 was the control group. In groups 2 and 3, wounds were topically treated with arginine ointments (ARG.) 2% and 5%, respectively. In group 4, arginine was injected (ARG. INJ.,i.p.). In the main phase, in 24 new rats, an excisional wound was made. There were 4 groups: group 5 served as the control. Wounds in group 6 were topically treated with ARG 2%. Wounds in group 7 were subjected to PBM. Wounds in group 8 were treated with PBM+ARG. 2%. On day 15, wound area measurement, wound strength, and stereological examination were performed. In the pilot study, we found that the ARG 2% ointment significantly decreased wound area than ARG. 5%, ARG. INJ. and control groups, and significantly increased wound strength compared to the control and ARG.5% groups. In the main phase, a significant decrease of wound area in all treatment regimens was induced. PBM?+?ARG. 2% and PBM treatment regimens significantly improved wound strength and almost all stereological parameters, compared to the control and ARG. 2% groups. PBM?+?ARG. 2% induced anti-inflammatory and angiogenic activities, and hastened the wound healing process in an excisional wound model in rats.
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KEYWORD
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Acute wound healing, Arginine, Photobiomodulation, Tensiometrical properties, Stereology, Wound closure, Rat
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