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Title

THE EFFECTS OF LOW LEVEL LASER THERAPY ON THE EXPRESSION OF COLLAGEN TYPE I GENE AND PROLIFERATION OF HUMAN GINGIVAL FIBROBLASTS (HGF3-PI 53): IN VITRO STUDY

Pages

  1071-1074

Abstract

 Objective (s): Recent investigations show that both proliferation and secretion of macromolecules by cells can be regulated by LOW LEVEL LASER THERAPY (LLLT). The aim of this study was to determine whether LLLT could induce a bio-stimulatory effects on HUMAN GINGIVAL FIBROBLASTS (HGF3-PI 53). Therefore, the effect of laser irradiation on human gingival cell proliferation and COLLAGEN TYPE I gene expression was studied.Materials and Methods: HGF3-PI 53 were cultured in 96-well plate and then irradiated with LLLT gallium-aluminum-arsenide (Ga-Al-As), 810 nm, 50 mW diode laser (energy: 4 J/cm2) for three consecutive days. The cell proliferation was measured on days 1, 2 and 3 after irradiation with LLLT using MTT assay. Real time PCR analysis was utilized on day 3 to evaluate the expression of COLLAGEN TYPE I gene.Results: Evaluation of cellular proliferation, one day after laser treatment showed no difference compared to control group. But on days 2 and 3, significant increase in proliferation was observed in the irradiated cell populations in comparison to the control group. Treatment of HGF3-PI 53 by laser resulted in a significant increase in collagen I gene expression on 3 day.Conclusion: The results demonstrated that LLLT stimulated human gingival fibroblast proliferation as well as COLLAGEN TYPE I gene expression in vitro.

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    APA: Copy

    FORUZANFAR, ALI, RAMEZANI, MOHAMMAD, RAHPEYMA, AMIN, KHAJEH AHMADI, SAEEDEH, & ARBAB, HAMID REZA. (2013). THE EFFECTS OF LOW LEVEL LASER THERAPY ON THE EXPRESSION OF COLLAGEN TYPE I GENE AND PROLIFERATION OF HUMAN GINGIVAL FIBROBLASTS (HGF3-PI 53): IN VITRO STUDY. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 16(10), 1071-1074. SID. https://sid.ir/paper/631168/en

    Vancouver: Copy

    FORUZANFAR ALI, RAMEZANI MOHAMMAD, RAHPEYMA AMIN, KHAJEH AHMADI SAEEDEH, ARBAB HAMID REZA. THE EFFECTS OF LOW LEVEL LASER THERAPY ON THE EXPRESSION OF COLLAGEN TYPE I GENE AND PROLIFERATION OF HUMAN GINGIVAL FIBROBLASTS (HGF3-PI 53): IN VITRO STUDY. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2013;16(10):1071-1074. Available from: https://sid.ir/paper/631168/en

    IEEE: Copy

    ALI FORUZANFAR, MOHAMMAD RAMEZANI, AMIN RAHPEYMA, SAEEDEH KHAJEH AHMADI, and HAMID REZA ARBAB, “THE EFFECTS OF LOW LEVEL LASER THERAPY ON THE EXPRESSION OF COLLAGEN TYPE I GENE AND PROLIFERATION OF HUMAN GINGIVAL FIBROBLASTS (HGF3-PI 53): IN VITRO STUDY,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 16, no. 10, pp. 1071–1074, 2013, [Online]. Available: https://sid.ir/paper/631168/en

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