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Oxidative phosphorylation-dependent regulation of cancer cell apoptosis in response to anticancer agents

Journal Article · · Cell Death and Disease
 [1];  [2];  [2];  [2];  [2];  [2];  [2];  [2];  [3];  [3];  [4];  [2]
  1. Roswell Park Cancer Institute, Buffalo, NY (United States); Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY 14263, USA
  2. Roswell Park Cancer Institute, Buffalo, NY (United States)
  3. Univ. of Arkansas, Fayetteville, AR (United States)
  4. Pioneer Valley Life Sciences Inst., Springfield, MA (United States)

Cancer cells tend to develop resistance to various types of anticancer agents, whether they adopt similar or distinct mechanisms to evade cell death in response to a broad spectrum of cancer therapeutics is not fully defined. Current study concludes that DNA-damaging agents (etoposide and doxorubicin), ER stressor (thapsigargin), and histone deacetylase inhibitor (apicidin) target oxidative phosphorylation (OXPHOS) for apoptosis induction, whereas other anticancer agents including staurosporine, taxol, and sorafenib induce apoptosis in an OXPHOS-independent manner. DNA-damaging agents promoted mitochondrial biogenesis accompanied by increased accumulation of cellular and mitochondrial ROS, mitochondrial protein-folding machinery, and mitochondrial unfolded protein response. Induction of mitochondrial biogenesis occurred in a caspase activation-independent mechanism but was reduced by autophagy inhibition and p53-deficiency. Abrogation of complex-I blocked DNA-damage-induced caspase activation and apoptosis, whereas inhibition of complex-II or a combined deficiency of OXPHOS complexes I, III, IV, and V due to impaired mitochondrial protein synthesis did not modulate caspase activity. Mechanistic analysis revealed that inhibition of caspase activation in response to anticancer agents associates with decreased release of mitochondrial cytochrome c in complex-I-deficient cells compared with wild type (WT) cells. Gross OXPHOS deficiencies promoted increased release of apoptosis-inducing factor from mitochondria compared with WT or complex-I-deficient cells, suggesting that cells harboring defective OXPHOS trigger caspase-dependent as well as caspase-independent apoptosis in response to anticancer agents. Interestingly, DNA-damaging agent doxorubicin showed strong binding to mitochondria, which was disrupted by complex-I-deficiency but not by complex-II-deficiency. Thapsigargin-induced caspase activation was reduced upon abrogation of complex-I or gross OXPHOS deficiency whereas a reverse trend was observed with apicidin. Together, these finding provide a new strategy for differential mitochondrial targeting in cancer therapy.

Research Organization:
Roswell Park Cancer Institute, Buffalo, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
FG02-01ER15161
OSTI ID:
1239287
Journal Information:
Cell Death and Disease, Journal Name: Cell Death and Disease Journal Issue: 11 Vol. 6; ISSN 2041-4889
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (22)

The Lipid Side of Bone Marrow Adipocytes: How Tumor Cells Adapt and Survive in Bone journal June 2018
Investigation of Mitochondrial Metabolic Response to Doxorubicin in Prostate Cancer Cells: An NADH, FAD and Tryptophan FLIM Assay journal September 2017
Cytochrome c1 in ductal carcinomain situof breast associated with proliferation and comedo necrosis journal May 2017
BA6 Induces Apoptosis via Stimulation of Reactive Oxygen Species and Inhibition of Oxidative Phosphorylation in Human Lung Cancer Cells journal May 2019
Antioxidant Effects and Mechanisms of Medicinal Plants and Their Bioactive Compounds for the Prevention and Treatment of Type 2 Diabetes: An Updated Review journal February 2020
Enhanced Proapoptotic Effects of Water Dispersed Complexes of 4-Thiazolidinone-Based Chemotherapeutics with a PEG-Containing Polymeric Nanocarrier journal April 2019
Macrophage Migration Inhibitory Factor Secretion Is Induced by Ionizing Radiation and Oxidative Stress in Cancer Cells journal January 2016
Impact of Mediterranean diet on metabolic syndrome, cancer and longevity journal November 2016
Correction: p53 and metabolism: from mechanism to therapeutics journal September 2018
Inflammation and Metabolism in Cancer Cell—Mitochondria Key Player journal May 2019
BAP1 Status Determines the Sensitivity of Malignant Mesothelioma Cells to Gemcitabine Treatment journal January 2019
Ginsenoside Rh2 and Rg3 inhibit cell proliferation and induce apoptosis by increasing mitochondrial reactive oxygen species in human leukemia Jurkat cells journal April 2017
Metabolic underpinnings of leukemia pathology and treatment journal October 2018
Reactive oxygen species (ROS) are a key determinant of cancer's metabolic phenotype: ROS are a key determinant of cancer's metabolic phenotype journal October 2017
Identification of novel prognostic alternative splicing signature in papillary renal cell carcinoma journal August 2019
Cytotoxic effect of Semialarium mexicanum (Miers) Mennega root bark extracts and fractions against breast cancer cells journal July 2018
Bile acid-induced “Minority MOMP” promotes esophageal carcinogenesis while maintaining apoptotic resistance via Mcl-1 journal September 2019
Oxidative Stress and Carcinogenesis: Potential of Phytochemicals in Breast Cancer Therapy journal January 2017
Carboxyamidotriazole Synergizes with Sorafenib to Combat Non–Small Cell Lung Cancer through Inhibition of NANOG and Aggravation of Apoptosis journal May 2017
Resistance to neoadjuvant chemotherapy in triple-negative breast cancer mediated by a reversible drug-tolerant state journal April 2019
Targeting Oxidatively Induced DNA Damage Response in Cancer: Opportunities for Novel Cancer Therapies journal January 2018
Sorafenib-Induced Apoptosis in Hepatocellular Carcinoma Is Reversed by SIRT1 journal August 2019

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