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Formerly Journal of Turgut Ozal Medical Center - ISSN 1300-1744

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Low level laser application reduces the effect of 5 fluorouracil/leucovorin combination on human breast cancer cells (p.1315-21)

Low level laser application reduces the effect of 5 fluorouracil/leucovorin combination on human breast cancer cells (p.1315-21)

Yilmaz Guler1, Ishak Suat Ovey2, Dilara Nemutlu Samur3, Bayhan Karabulut4
1Alanya Alaaddin Keykubat University, Faculty of Medicine, Department of General Surgery, Antalya, Turkey
2Alanya Alaaddin Keykubat University, Faculty of Medicine, Department of Physiology, Antalya, Turkey
3Alanya Alaaddin Keykubat University, Faculty of Medicine, Department of Pharmacology, Antalya, Turkey
4Adiyaman University, Faculty of Medicine, Central Research Laboratory, Adiyaman, Turkey
Copyright © 2020 by authors and Annals of Medical Research Publishing Inc.

Abstract

Aim : 5-fluorouracil has been widely used in breast cancer treatment. Low level laser therapy (LLLT) has been shown to modulate biological processes and used in cancer treatment. It has been reported that apoptosis is induced by stimulation of transient receptor potential protein channels in numerous cancer cells, including breast cancer. We aimed to reveal the effects of 5-fluorouracil /Leucovorin (5-FU/LV) and . low level laser on apoptosis via transient receptor protein ancyrin 1 (TRPA1) channels.
Material and Methods: Breast cancer cells (MCF-7) were cultured and cells were divided into seven main groups. Cells were incubated with 5-FU/LV and LLLT exposure separately and together performed on MCF-7 cell cultures. Cell cultures incubated with TRPV1 channel antagonist capsazepin and stimulator capsaicin. The effects of 5-FU and LLLT were investigated on all molecular pathways of apoptosis.
Results: It was found that the levels of apoptosis in 5-FU/LV group were significantly increased in cancer cells compared to control group .TRPA1 channel stimulator administration resulted in significantly increased apoptosis levels compared to the control group, in 5-FU/LV + low level laser group the apoptosis level significantly reduced compared to 5-FU/LV-only group. (p0.001)
Conclusion: It has been shown that 5-FU/LV significantly increases apoptosis in breast cancer cells, however low level laser administration decreases apoptosis and suppressed apopitotic effect of 5-FU/LV significantly on breast cancer cells.

Keywords: Breast cancer; 5-fluorouracil; leucovorin; low level laser; TRPA1

 

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doi: 10.5455/annalsmedres.2020.02.094         

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Annals of Medical Research is the scientific official journal of the Inonu University Faculty of Medicine. It is published monthly. The essential aim of the Annals of Medical Research is to publish scientifically high quality clinical and experimental research articles on fields of medicine which can contribute to the literature data. In addition, review articles, case reports, editorials, letters to the editors and manuscripts on publication ethics and medical history, which can contribute to the education and practices of physicians and health sector professionals within the scope of the journal’s target audience and which can increase the level of scientific communication between the authors and readers, are included in the scope of the journal.

 

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