Transfer of healthy fibroblast-derived mitochondria to HeLa ρ0 and SAS ρ0 cells recovers the proliferation capabilities of these cancer cells under conventional culture medium, but increase their sensitivity to cisplatin-induced apoptotic death

Mitochondrial dysfunction is known to contribute to cancer initiation, progression, and chemo-and radio-resistance. However, the precise role of mitochondria in cancer is controversial. Hence, here we tried to further clarify the role of mitochondria in cancer by transferring healthy mitochondria to...

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Veröffentlicht in:Molecular biology reports 2020-06, Vol.47 (6), p.4401-4411
Hauptverfasser: Roushandeh, Amaneh Mohammadi, Tomita, Kazuo, Kuwahara, Yoshikazu, Jahanian-Najafabadi, Ali, Igarashi, Kento, Roudkenar, Mehryar Habibi, Sato, Tomoaki
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container_issue 6
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container_title Molecular biology reports
container_volume 47
creator Roushandeh, Amaneh Mohammadi
Tomita, Kazuo
Kuwahara, Yoshikazu
Jahanian-Najafabadi, Ali
Igarashi, Kento
Roudkenar, Mehryar Habibi
Sato, Tomoaki
description Mitochondrial dysfunction is known to contribute to cancer initiation, progression, and chemo-and radio-resistance. However, the precise role of mitochondria in cancer is controversial. Hence, here we tried to further clarify the role of mitochondria in cancer by transferring healthy mitochondria to cancer cells, and also to cells with depleted mitochondrial DNA (ρ 0 ). Healthy mitochondria were isolated from WI-38 cells and were transferred to HeLa, SAS, HeLa ρ 0 , and SAS ρ 0 cells. Then, cell proliferation was verified. In addition, the cells were treated by different concentrations of cisplatin and assessed for apoptosis induction and quantifying the mRNA expression of apoptosis-related genes. Results revealed that incubation of the HeLa, SAS and HeLa ρ 0 cells with 5 µg/ml of the isolated mitochondria for 24 h significantly (p 
doi_str_mv 10.1007/s11033-020-05493-5
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However, the precise role of mitochondria in cancer is controversial. Hence, here we tried to further clarify the role of mitochondria in cancer by transferring healthy mitochondria to cancer cells, and also to cells with depleted mitochondrial DNA (ρ 0 ). Healthy mitochondria were isolated from WI-38 cells and were transferred to HeLa, SAS, HeLa ρ 0 , and SAS ρ 0 cells. Then, cell proliferation was verified. In addition, the cells were treated by different concentrations of cisplatin and assessed for apoptosis induction and quantifying the mRNA expression of apoptosis-related genes. Results revealed that incubation of the HeLa, SAS and HeLa ρ 0 cells with 5 µg/ml of the isolated mitochondria for 24 h significantly (p &lt; 0.001) increased cell proliferation compared to non-treated controls. Interestingly, the mitochondria transfer rescued the ρ 0 cells and made them capable of growing under conventional culture medium. 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subjects Animal Anatomy
Animal Biochemistry
Apoptosis
Apoptosis-inducing factor
Bcl-2 protein
Biomedical and Life Sciences
Cancer
Cell culture
Cell growth
Cell proliferation
Chemotherapy
Cisplatin
Culture media
Gene expression
genes
Histology
Life Sciences
Mitochondria
Mitochondrial DNA
Morphology
Original Article
therapeutics
title Transfer of healthy fibroblast-derived mitochondria to HeLa ρ0 and SAS ρ0 cells recovers the proliferation capabilities of these cancer cells under conventional culture medium, but increase their sensitivity to cisplatin-induced apoptotic death
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