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Erschienen in: Lasers in Medical Science 3/2022

18.09.2021 | Original Article

Photobiomodulation therapy preconditioning modifies nitric oxide pathway and oxidative stress in human-induced pluripotent stem cell-derived ventricular cardiomyocytes treated with doxorubicin

verfasst von: Allan Luís Barboza Atum, José Almir Alves da Silva, Danila Marques, Renato Araújo Prates, Fernanda Marciano Consolim-Colombo, Maria Cláudia Costa Irigoyen, Maria Aparecida Dalboni, Maria Cristina Chavantes, José Antônio Silva Jr.

Erschienen in: Lasers in Medical Science | Ausgabe 3/2022

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Abstract

Doxorubicin (DOX) is an anthracycline antibiotic that exhibits high heart toxicity. Human-induced pluripotent stem cell-derived ventricular cardiomyocytes (hiPSC-vCMs) are important in vitro models for testing drug cardiotoxicity. Photobiomodulation therapy (PBMT) is a non-invasive therapy that stimulates cells growth and self-repair using light irradiation. This study aimed to investigate the in vitro effects of PBMT preconditioning on cardiotoxicity induced by DOX. HiPSC-vCMs were treated with PBMT for 500 s, followed by the addition of 2 μM DOX. LED irradiation preconditioning parameters were at 660 nm with an irradiance of 10 mW/cm2, performing 5 J/cm2, followed by 24-h DOX exposure (2 μM). Human iPSC-vCMs treated with 2 μM DOX or irradiated with PBMT composed the second and third groups, respectively. The control group did neither receive PBMT preconditioning nor DOX and was irradiated with a white standard lamp. Cells from all groups were collected to perform mRNA and miRNA expressions quantification. PBMT, when applied before the DOX challenge, restored the viability of hiPSC-vCMs and reduced ROS levels. Although downregulated by DOX, myocardial UCP2 mRNA expression presented marked upregulation after PBMT preconditioning. Expression of eNOS and UCP2 mRNA and NO production were decreased after DOX exposure, and PBMT preconditioning before the DOX challenge reversed these changes. Moreover, our data indicated that PBMT preconditioning lowered the miR-24 expression. Our data suggested that PBMT preconditioning ameliorated in vitro DOX-induced cardiotoxicity on transcription level, restoring NO levels and reducing oxidative stress.
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Metadaten
Titel
Photobiomodulation therapy preconditioning modifies nitric oxide pathway and oxidative stress in human-induced pluripotent stem cell-derived ventricular cardiomyocytes treated with doxorubicin
verfasst von
Allan Luís Barboza Atum
José Almir Alves da Silva
Danila Marques
Renato Araújo Prates
Fernanda Marciano Consolim-Colombo
Maria Cláudia Costa Irigoyen
Maria Aparecida Dalboni
Maria Cristina Chavantes
José Antônio Silva Jr.
Publikationsdatum
18.09.2021
Verlag
Springer London
Erschienen in
Lasers in Medical Science / Ausgabe 3/2022
Print ISSN: 0268-8921
Elektronische ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-021-03416-9

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