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Bastian P, Dulski J, Roszmann A, Jacewicz D, Kuban-Jankowska A, Slawek J, Wozniak M, Gorska-Ponikowska M. Regulation of Mitochondrial Dynamics in Parkinson's Disease-Is 2-Methoxyestradiol a Missing Piece? Antioxidants (Basel) 2021; 10:248. [PMID: 33562035 PMCID: PMC7915370 DOI: 10.3390/antiox10020248] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/15/2022] Open
Abstract
Mitochondria, as "power house of the cell", are crucial players in cell pathophysiology. Beyond adenosine triphosphate (ATP) production, they take part in a generation of reactive oxygen species (ROS), regulation of cell signaling and cell death. Dysregulation of mitochondrial dynamics may lead to cancers and neurodegeneration; however, the fusion/fission cycle allows mitochondria to adapt to metabolic needs of the cell. There are multiple data suggesting that disturbed mitochondrial homeostasis can lead to Parkinson's disease (PD) development. 2-methoxyestradiol (2-ME), metabolite of 17β-estradiol (E2) and potential anticancer agent, was demonstrated to inhibit cell growth of hippocampal HT22 cells by means of nitric oxide synthase (NOS) production and oxidative stress at both pharmacologically and also physiologically relevant concentrations. Moreover, 2-ME was suggested to inhibit mitochondrial biogenesis and to be a dynamic regulator. This review is a comprehensive discussion, from both scientific and clinical point of view, about the influence of 2-ME on mitochondria and its plausible role as a modulator of neuron survival.
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Affiliation(s)
- Paulina Bastian
- Department of Medical Chemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (P.B.); (A.K.-J.); (M.W.)
| | - Jaroslaw Dulski
- Department of Neurological-Psychiatric Nursing, Medical University of Gdansk, 80-211 Gdansk, Poland; (J.D.); (A.R.); (J.S.)
- Neurology & Stroke Dpt. St. Adalbert Hospital, “Copernicus” Ltd., 80-462 Gdansk, Poland
| | - Anna Roszmann
- Department of Neurological-Psychiatric Nursing, Medical University of Gdansk, 80-211 Gdansk, Poland; (J.D.); (A.R.); (J.S.)
- Neurology & Stroke Dpt. St. Adalbert Hospital, “Copernicus” Ltd., 80-462 Gdansk, Poland
| | - Dagmara Jacewicz
- Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland;
| | - Alicja Kuban-Jankowska
- Department of Medical Chemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (P.B.); (A.K.-J.); (M.W.)
| | - Jaroslaw Slawek
- Department of Neurological-Psychiatric Nursing, Medical University of Gdansk, 80-211 Gdansk, Poland; (J.D.); (A.R.); (J.S.)
- Neurology & Stroke Dpt. St. Adalbert Hospital, “Copernicus” Ltd., 80-462 Gdansk, Poland
| | - Michal Wozniak
- Department of Medical Chemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (P.B.); (A.K.-J.); (M.W.)
| | - Magdalena Gorska-Ponikowska
- Department of Medical Chemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (P.B.); (A.K.-J.); (M.W.)
- Euro-Mediterranean Institute of Science and Technology, 90139 Palermo, Italy
- Department of Biophysics, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, 70174 Stuttgart, Germany
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Mukherjee TK, Malik P, Hoidal JR. The emerging role of estrogen related receptorα in complications of non-small cell lung cancers. Oncol Lett 2021; 21:258. [PMID: 33664821 PMCID: PMC7882887 DOI: 10.3892/ol.2021.12519] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 11/18/2020] [Indexed: 12/20/2022] Open
Abstract
Approximately 85% of lung cancer cases are recognized as non-small cell lung cancer (NSCLC) with a perilous (13–17%) 5-year survival in Europe and the USA. Although tobacco smoking has consistently emerged as the leading cause of NSCLC complications, its consequences are distinctly manifest with respect to sex bias, due to differential gene and sex hormone expression. Estrogen related receptor α (ERRα), a member of the nuclear orphan receptor superfamily is normally expressed in the lungs, and activates various nuclear genes without binding to the ligands, such as estrogens. In NSCLC ERRα expression is significantly higher compared with healthy individuals. It is well established ERα and ERβ‚ have 93% and 60% identity in the DNA and ligand binding domains, respectively. ERα and ERRα have 69% (70% with ERRα-1) and 34% (35% with ERRα-1) identity, respectively; ERRα and ERRβ‚ have 92 and 61% identity, respectively. However, whether there is distinctive ERRα interaction with mammalian estrogens or concurrent involvement in non-ER signalling pathway activation is not known. Relevant to NSCLC, ERRα promotes proliferation, invasion and migration by silencing the tumor suppressor proteins p53 and pRB, and accelerates G2-M transition during cell division. Epithelial to mesenchymal transition (EMT) and activation of Slug (an EMT associated transcription factor) are the prominent mechanisms by which ERRα activates NSCLC metastasis. Based on these observations, the present article focuses on the feasibility of antiERRα therapy alone and in combination with antiER as a therapeutic strategy for NSCLC complications.
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Affiliation(s)
- Tapan K Mukherjee
- Division of Respiratory, Critical Care and Occupational Pulmonary Medicine, University of Utah, Salt Lake City, UT 84132, USA.,Department of Internal Medicine, University of Utah, Salt Lake City, UT 84132, USA.,George E. Wahlen Department of Veterans Affairs Medical Centre, Salt Lake City, UT 84132, USA
| | - Parth Malik
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar, Gujarat 382030, India
| | - John R Hoidal
- Division of Respiratory, Critical Care and Occupational Pulmonary Medicine, University of Utah, Salt Lake City, UT 84132, USA.,Department of Internal Medicine, University of Utah, Salt Lake City, UT 84132, USA.,George E. Wahlen Department of Veterans Affairs Medical Centre, Salt Lake City, UT 84132, USA
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Wang C, Dong L, Li X, Li Y, Zhang B, Wu H, Shen B, Ma P, Li Z, Xu Y, Chen B, Pan S, Fu Y, Huo Z, Jiang H, Wu Y, Ma Y. The PGC1α/NRF1-MPC1 axis suppresses tumor progression and enhances the sensitivity to sorafenib/doxorubicin treatment in hepatocellular carcinoma. Free Radic Biol Med 2021; 163:141-152. [PMID: 33276082 DOI: 10.1016/j.freeradbiomed.2020.11.035] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 11/23/2020] [Accepted: 11/26/2020] [Indexed: 12/24/2022]
Abstract
Targeting energy metabolism holds the potential to effectively treat a variety of malignant diseases, and peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PGC1α) is a key regulator of energy metabolism. However, PGC1α's role in cancer, especially in hepatocellular carcinoma (HCC) remains largely unknown. In the present study, we reported that PGC1α was significantly downregulated in HCC cell lines and specimens. Moreover, reduced expression of PGC1α in tumor cells was correlated with poor prognosis. PGC1α overexpression substantially inhibited cell proliferation and induced apoptosis in vitro and in vivo. On the contrary, the knockdown of PGC1α produced the opposite effect. The mechanism was at least partially due to the upregulation of mitochondrial pyruvate carrier 1 (MPC1) caused by PGC1α, which promoted mitochondrial biogenesis by binding to nuclear respiratory factor 1 (NRF1). Consequently, the production of cellular reactive oxygen species (ROS) caused by mitochondrial oxidation was elevated above a critical threshold for survival. Furthermore, we found that PGC1α could enhance the antitumor activity of sorafenib and doxorubicin in HCC through ROS accumulation-mediated cell death. These results indicate that PGC1α/NRF1-MPC1 axis is involved in HCC progression and could be a promising target for HCC treatment.
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Affiliation(s)
- Chaoqun Wang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Liqian Dong
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaozhuang Li
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yao Li
- Department of Intensive Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bao Zhang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Huibo Wu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Benqiang Shen
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Panfei Ma
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zuoyu Li
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yang Xu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bangliang Chen
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shangha Pan
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yao Fu
- Department of Ultrasound, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhongqi Huo
- Department of Anatomy and Neuroscience, The University of Melbourne, Parkville, Victoria, Australia
| | - Hongchi Jiang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yaohua Wu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China; Department of Thyroid Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Yong Ma
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
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Wu XT, Wang YH, Cai XY, Dong Y, Cui Q, Zhou YN, Yang XW, Lu WF, Zhang M. RNF115 promotes lung adenocarcinoma through Wnt/β-catenin pathway activation by mediating APC ubiquitination. Cancer Metab 2021; 9:7. [PMID: 33509267 PMCID: PMC7842072 DOI: 10.1186/s40170-021-00243-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 01/13/2021] [Indexed: 12/20/2022] Open
Abstract
Background Patients with lung adenocarcinoma (LUAD) have high mortality rate and poor prognosis. The LUAD cells display increased aerobic glycolysis, which generates energy required for their survival and proliferation. Deregulation of Wnt/β-catenin signaling pathway induces the metabolism switching and oncogenesis in tumor cells. RING finger protein 115 (RNF115) is an E3 ligase for ubiquitin-mediated degradation. Although the oncogenic functions of RNF115 have been revealed in breast tumor cells, the effect of RNF115 on lung cancer is still not clear. Methods RNF115 expression and its correlation with the features of LUAD patients were analyzed by using public database and our own cohort. The functions of RNF115 in proliferation and energy metabolism in LUAD cells were explored by downregulating or upregulating RNF115 expression. Results We demonstrated that RNF115 was overexpressed in LUAD tissues and its expression was positively correlated with the poor overall survival of LUAD patients. Moreover, RNF115 overexpression inhibited LUAD cell apoptosis and promoted cellular proliferation and metabolism in LUAD cells. On the contrary, RNF115 knockdown displayed reverse effects. Furthermore, the underlying mechanism of the biological function of RNF115 in LUAD was through regulating Wnt/β-catenin pathway via ubiquitination of adenomatous polyposis coli (APC). Conclusion The current study reveals a close association between RNF115 expression and prognostic conditions in LUAD patients and the oncogenic roles of RNF115 in LUAD at the first time. These findings may help establish the foundation for the development of therapeutics strategies and clinical management for lung cancer in future. Supplementary Information The online version contains supplementary material available at 10.1186/s40170-021-00243-y.
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Affiliation(s)
- Xiao-Ting Wu
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 West Huaihai Road, Xuhui District, Shanghai, 200030, China
| | - Yu-Han Wang
- Department of Integrated Traditional Chinese and Western Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiao-Yue Cai
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 West Huaihai Road, Xuhui District, Shanghai, 200030, China
| | - Yun Dong
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 West Huaihai Road, Xuhui District, Shanghai, 200030, China
| | - Qing Cui
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 West Huaihai Road, Xuhui District, Shanghai, 200030, China
| | - Ya-Ning Zhou
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 West Huaihai Road, Xuhui District, Shanghai, 200030, China
| | - Xi-Wen Yang
- LongHua Hospital Shanghai University of Traditional Chinese Medicine/Oncology Division 2, Shanghai, China
| | - Wen-Feng Lu
- Department of Integrated Traditional Chinese and Western Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ming Zhang
- Department of Integrated Traditional Chinese and Western Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 West Huaihai Road, Xuhui District, Shanghai, 200030, China.
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Sazeides C, Le A. Metabolic Relationship Between Cancer-Associated Fibroblasts and Cancer Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1311:189-204. [PMID: 34014544 DOI: 10.1007/978-3-030-65768-0_14] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cancer-associated fibroblasts (CAFs), a major component of the tumor microenvironment (TME), play an important role in cancer initiation, progression, and metastasis. Recent findings have demonstrated that the TME not only provides physical support for cancer cells but also directs cell-to-cell interactions (in this case, the interaction between cancer cells and CAFs). As cancer progresses, the CAFs also coevolve, transitioning from an inactivated state to an activated state. The elucidation and understanding of the interaction between cancer cells and CAFs will pave the way for new cancer therapies [1-3].
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Affiliation(s)
| | - Anne Le
- Department of Pathology and Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA. .,Department of Chemical and Biomolecular Engineering, Johns Hopkins University Whiting School of Engineering, Baltimore, MD, USA.
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De Vitto H, Ryu J, Calderon-Aparicio A, Monts J, Dey R, Chakraborty A, Lee MH, Bode AM, Dong Z. Estrogen-related receptor alpha directly binds to p53 and cooperatively controls colon cancer growth through the regulation of mitochondrial biogenesis and function. Cancer Metab 2020; 8:28. [PMID: 33303020 PMCID: PMC7731476 DOI: 10.1186/s40170-020-00234-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 11/30/2020] [Indexed: 03/14/2023] Open
Abstract
BACKGROUND Of the genes that control mitochondrial biogenesis and function, ERRα emerges as a druggable metabolic target to be exploited for cancer therapy. Of the genes mutated in cancer, TP53 remains the most elusive to target. A clear understanding of how mitochondrial druggable targets can be accessed to exploit the underlying mechanism(s) explaining how p53-deficient tumors promote cell survival remains elusive. METHODS We performed protein-protein interaction studies to demonstrate that ERRα binds to p53. Moreover, we used gene silencing and pharmacological approaches in tandem with quantitative proteomics analysis by SWATH-MS to investigate the role of the ERRα/p53 complex in mitochondrial biogenesis and function in colon cancer. Finally, we designed in vitro and in vivo studies to investigate the possibility of targeting colon cancers that exhibit defects in p53. RESULTS Here, we are the first to identify a direct protein-protein interaction between the ligand-binding domain (LBD) of ERRα and the C-terminal domain (CTD) of p53. ERRα binds to p53 regardless of p53 mutational status. Furthermore, we show that the ERRα and p53 complex cooperatively control mitochondrial biogenesis and function. Targeting ERRα creates mitochondrial metabolic stresses, such as production of reactive oxygen species (ROS) and mitochondrial membrane permeabilization (MMP), leading to a greater cytotoxic effect that is dependent on the presence of p53. Pharmacological inhibition of ERRα impairs the growth of p53-deficient cells and of p53 mutant patient-derived colon xenografts (PDX). CONCLUSIONS Therefore, our data suggest that by using the status of the p53 protein as a selection criterion, the ERRα/p53 transcriptional axis can be exploited as a metabolic vulnerability.
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Affiliation(s)
- Humberto De Vitto
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA
| | - Joohyun Ryu
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA
| | - Ali Calderon-Aparicio
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA
| | - Josh Monts
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA
| | - Raja Dey
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA
| | - Abhijit Chakraborty
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA
| | - Mee-Hyun Lee
- Department of Pathophysiology, Zhengzhou University School of Medicine, 40 North Road, 27 District University, Zhengzhou, 450052, China
| | - Ann M Bode
- The Hormel Institute, University of Minnesota, 801 16th Avenue NE, Austin, 55912, USA.
| | - Zigang Dong
- Department of Pathophysiology, Zhengzhou University School of Medicine, 40 North Road, 27 District University, Zhengzhou, 450052, China.
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Shen L, Zhou L, Xia M, Lin N, Ma J, Dong D, Sun L. PGC1α regulates mitochondrial oxidative phosphorylation involved in cisplatin resistance in ovarian cancer cells via nucleo-mitochondrial transcriptional feedback. Exp Cell Res 2020; 398:112369. [PMID: 33220258 DOI: 10.1016/j.yexcr.2020.112369] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/08/2020] [Indexed: 01/10/2023]
Abstract
Mitochondria play an important role in effective cell energy production and cell survival under stress conditions, such as treatment with chemotherapeutic drugs. Mitochondrial biogenesis is increased in ovarian cancer tissues, which is accompanied by alteration of mitochondrial energy metabolism, structure, and dynamics. These factors are involved in tumorigenesis and apoptosis resistance, highlighting the role of mitochondria in resisting cisplatin toxicity. Cisplatin-resistant ovarian cancer cells are dependent on mitochondrial OXPHOS for energy supply, and intracellular PGC1α-mediated mitochondrial biogenesis levels are increased in this cell line, indicating the important role of mitochondrial oxidative phosphorylation in cisplatin resistance. As PGC1α is a key molecule for integrating and coordinating nuclear DNA and mitochondrial DNA transcriptional machinery, an investigation into the regulatory mechanism PGC1α in mitochondrial energy metabolism via transcription may provide new clues for solving chemotherapy resistance. In the present study, it was demonstrated that inhibiting the expression of PGC1α decreased nuclear and mitochondrial DNA transcription factor expression, leading to increased lactic acid production and decreased cellular oxygen consumption and mitochondrial oxidative phosphorylation. Furthermore, mitochondrial stress-induced ROS production, as a feedback signal from mitochondria to the cell nucleus, increased PGC1α expression in SKOV3/DDP cells, which was involved in mitochondrial oxidative phosphorylation regulation. Collectively, the present study provides evidence that PGC1α-mediated nuclear and mitochondrial transcription feedback regulates energy metabolism and is involved in ovarian cancer cells escaping apoptosis during cisplatin treatment.
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Affiliation(s)
- Luyan Shen
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Li Zhou
- Department of Obstetrics and Gynecology, The First Bethune Hospital of Jilin University, Changchun, Jilin, China
| | - Meihui Xia
- Department of Obstetrics, The First Bethune Hospital of Jilin University, Changchun, Jilin, China
| | - Nan Lin
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Jiaoyan Ma
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Delu Dong
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China.
| | - Liankun Sun
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, China.
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Pascale RM, Calvisi DF, Simile MM, Feo CF, Feo F. The Warburg Effect 97 Years after Its Discovery. Cancers (Basel) 2020; 12:E2819. [PMID: 33008042 PMCID: PMC7599761 DOI: 10.3390/cancers12102819] [Citation(s) in RCA: 153] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 09/22/2020] [Indexed: 02/06/2023] Open
Abstract
The deregulation of the oxidative metabolism in cancer, as shown by the increased aerobic glycolysis and impaired oxidative phosphorylation (Warburg effect), is coordinated by genetic changes leading to the activation of oncogenes and the loss of oncosuppressor genes. The understanding of the metabolic deregulation of cancer cells is necessary to prevent and cure cancer. In this review, we illustrate and comment the principal metabolic and molecular variations of cancer cells, involved in their anomalous behavior, that include modifications of oxidative metabolism, the activation of oncogenes that promote glycolysis and a decrease of oxygen consumption in cancer cells, the genetic susceptibility to cancer, the molecular correlations involved in the metabolic deregulation in cancer, the defective cancer mitochondria, the relationships between the Warburg effect and tumor therapy, and recent studies that reevaluate the Warburg effect. Taken together, these observations indicate that the Warburg effect is an epiphenomenon of the transformation process essential for the development of malignancy.
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Affiliation(s)
- Rosa Maria Pascale
- Department of Medical, Surgery and Experimental Sciences, Division of Experimental Pathology and Oncology, University of Sassari, 07100 Sassari, Italy; (D.F.C.); (M.M.S.); (F.F.)
| | - Diego Francesco Calvisi
- Department of Medical, Surgery and Experimental Sciences, Division of Experimental Pathology and Oncology, University of Sassari, 07100 Sassari, Italy; (D.F.C.); (M.M.S.); (F.F.)
| | - Maria Maddalena Simile
- Department of Medical, Surgery and Experimental Sciences, Division of Experimental Pathology and Oncology, University of Sassari, 07100 Sassari, Italy; (D.F.C.); (M.M.S.); (F.F.)
| | - Claudio Francesco Feo
- Department of Clinical, Surgery and Experimental Sciences, Division of Surgery, University of Sassari, 07100 Sassari, Italy;
| | - Francesco Feo
- Department of Medical, Surgery and Experimental Sciences, Division of Experimental Pathology and Oncology, University of Sassari, 07100 Sassari, Italy; (D.F.C.); (M.M.S.); (F.F.)
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The Metabolic Heterogeneity and Flexibility of Cancer Stem Cells. Cancers (Basel) 2020; 12:cancers12102780. [PMID: 32998263 PMCID: PMC7601708 DOI: 10.3390/cancers12102780] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 09/25/2020] [Accepted: 09/25/2020] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Cancer stem cells (CSCs) have been shown to be the main cause of therapy resistance and cancer recurrence. An analysis of their biological properties has revealed that CSCs have a particular metabolism that differs from non-CSCs to maintain their stemness properties. In this review, we analyze the flexible metabolic mechanisms of CSCs and highlight the new therapeutics that target CSC metabolism. Abstract Numerous findings have indicated that CSCs, which are present at a low frequency inside primary tumors, are the main cause of therapy resistance and cancer recurrence. Although various therapeutic methods targeting CSCs have been attempted for eliminating cancer cells completely, the complicated characteristics of CSCs have hampered such attempts. In analyzing the biological properties of CSCs, it was revealed that CSCs have a peculiar metabolism that is distinct from non-CSCs to maintain their stemness properties. The CSC metabolism involves not only the catabolic and anabolic pathways, but also intracellular signaling, gene expression, and redox balance. In addition, CSCs can reprogram their metabolism to flexibly respond to environmental changes. In this review, we focus on the flexible metabolic mechanisms of CSCs, and highlight the new therapeutics that target CSC metabolism.
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Tian H, Zhang B, Li L, Wang G, Li H, Zheng J. Manipulation of Mitochondrial Plasticity Changes the Metabolic Competition Between "Foe" and "Friend" During Tumor Malignant Transformation. Front Oncol 2020; 10:1692. [PMID: 32974209 PMCID: PMC7471250 DOI: 10.3389/fonc.2020.01692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/29/2020] [Indexed: 11/16/2022] Open
Abstract
Mitochondria as the cellular energy powerhouses provide a common site for multiple metabolic reactions in order to cover energy and biomolecule demands, thus integrating the diverse metabolic pathways to endow cells with metabolic adaptation. Mitochondrial plasticity is normally regulated by mitochondrial dynamics, mitochondrial metabolism and mitochondrial biogenesis. Given that tumor cells and T cells share the metabolic similarities of survival, proliferation, expansion as well as effector function, manipulation of mitochondrial plasticity would change the metabolic competition between “foe” and “friend” during tumor malignant progression. On the one hand, for “foe” tumor cells, mitochondrial plasticity provides the enhancement of tumor metastasis and the development of resistance to‘ diverse antitumor drugs. On the other hand, for “friend” T cells, mitochondrial plasticity promotes the generation of long-term memory T (TM) cells and alleviates the exhaustion of tumor-infiltrating lymphocytes (TILs). Therefore, downregulation of mitochondrial plasticity of tumor cells through engineering tumor-targeting nanoparticles may effectively potentiate metabolic vulnerability and re-sensitize tumor to relevant therapeutic treatment. On the contrary, upregulation of mitochondrial plasticity of T cells through optimizing adoptive cellular immunotherapy (ACI) or chimeric antigen receptor (CAR)-T cell therapy would provide T cells with the robust metabolic fitness and the persistent immune function, thus blocking tumor metastasis and reoccurrence.
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Affiliation(s)
- Hui Tian
- Cancer Institute, Xuzhou Medical University, Xuzhou, China
| | - Baofu Zhang
- Cancer Institute, Xuzhou Medical University, Xuzhou, China.,Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Liantao Li
- Cancer Institute, Xuzhou Medical University, Xuzhou, China.,Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Gang Wang
- Cancer Institute, Xuzhou Medical University, Xuzhou, China
| | - Huizhong Li
- Cancer Institute, Xuzhou Medical University, Xuzhou, China
| | - JunNian Zheng
- Cancer Institute, Xuzhou Medical University, Xuzhou, China.,Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, China
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Michalek S, Brunner T. Nuclear-mitochondrial crosstalk: On the role of the nuclear receptor liver receptor homolog-1 (NR5A2) in the regulation of mitochondrial metabolism, cell survival, and cancer. IUBMB Life 2020; 73:592-610. [PMID: 32931651 DOI: 10.1002/iub.2386] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022]
Abstract
Liver receptor homolog-1 (LRH-1, NR5A2) is an orphan nuclear receptor with widespread activities in the regulation of development, stemness, metabolism, steroidogenesis, and proliferation. Many of the LRH-1-regulated processes target the mitochondria and associated activities. While under physiological conditions, a balanced LRH-1 expression and regulation contribute to the maintenance of a physiological equilibrium, deregulation of LRH-1 has been associated with inflammation and cancer. In this review, we discuss the role and mechanism(s) of how LRH-1 regulates metabolic processes, cell survival, and cancer in a nuclear-mitochondrial crosstalk, and evaluate its potential as a pharmacological target.
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Affiliation(s)
- Svenja Michalek
- Biochemical Pharmacology, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Thomas Brunner
- Biochemical Pharmacology, Department of Biology, University of Konstanz, Konstanz, Germany
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Ortega MA, Fraile-Martínez O, Guijarro LG, Casanova C, Coca S, Álvarez-Mon M, Buján J, García-Honduvilla N, Asúnsolo Á. The Regulatory Role of Mitochondrial MicroRNAs (MitomiRs) in Breast Cancer: Translational Implications Present and Future. Cancers (Basel) 2020; 12:cancers12092443. [PMID: 32872155 PMCID: PMC7564393 DOI: 10.3390/cancers12092443] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Mitochondrial microRNAs (mitomiRs) are an emerging field of study in a wide range of tumours including breast cancer. By targeting mitochondrial, or non-mitochondrial products, mitomiRs are able to regulate the functions of this organelle, thus controlling multiple carcinogenic processes. The knowledge of this system may provide a novel approach for targeted therapies, as potential biomarkers or helping in the diagnosis of such a complex malignancy. Abstract Breast cancer is the most prevalent and incident female neoplasm worldwide. Although survival rates have considerably improved, it is still the leading cause of cancer-related mortality in women. MicroRNAs are small non-coding RNA molecules that regulate the posttranscriptional expression of a wide variety of genes. Although it is usually located in the cytoplasm, several studies have detected a regulatory role of microRNAs in other cell compartments such as the nucleus or mitochondrion, known as “mitomiRs”. MitomiRs are essential modulators of mitochondrion tasks and their abnormal expression has been linked to the aetiology of several human diseases related to mitochondrial dysfunction, including breast cancer. This review aims to examine basic knowledge of the role of mitomiRs in breast cancer and discusses their prospects as biomarkers or therapeutic targets.
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Affiliation(s)
- Miguel A. Ortega
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain;
- Cancer Registry and Pathology Department, Hospital Universitario Principe de Asturias, 28806 Alcalá de Henares, Madrid, Spain
- Correspondence: ; Tel.: +34-91-885-4540; Fax: +34-91-885-4885
| | - Oscar Fraile-Martínez
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
| | - Luis G. Guijarro
- Department of System Biology, Unit of Biochemistry and Molecular Biology (CIBEREHD), University of Alcalá, 28801 Alcalá de Henares, Spain;
| | - Carlos Casanova
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
| | - Santiago Coca
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain;
| | - Melchor Álvarez-Mon
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain;
- Immune System Diseases-Rheumatology, Oncology Service an Internal Medicine, University Hospital Príncipe de Asturias, (CIBEREHD), 28806 Alcalá de Henares, Madrid, Spain
| | - Julia Buján
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain;
| | - Natalio García-Honduvilla
- Department of Medicine and Medical Specialities, Unit of Histology and Pathology, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcalá de Henares, Spain; (O.F.-M.); (C.C.); (S.C.); (M.Á.-M.); (J.B.); (N.G.-H.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain;
| | - Ángel Asúnsolo
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain;
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Madrid, Spain
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Hu W, Zhang L, Ferri-Borgogno S, Kwan SY, Lewis KE, Cun HT, Yeung TL, Soliman PT, Tarapore RS, Allen JE, Guan X, Lu KH, Mok SC, Au-Yeung CL. Targeting Dopamine Receptor D2 by Imipridone Suppresses Uterine Serous Cancer Malignant Phenotype. Cancers (Basel) 2020; 12:cancers12092436. [PMID: 32867127 PMCID: PMC7563948 DOI: 10.3390/cancers12092436] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/17/2020] [Accepted: 08/19/2020] [Indexed: 02/02/2023] Open
Abstract
Uterine serous cancer (USC) is an aggressive subtype of endometrial cancer, with poor survival and high recurrence rates. The development of novel and effective therapies specific to USC would aid in its management. However, few studies have focused solely on this rare subtype. The current study demonstrated that the orally bioavailable, investigational new drug and novel imipridone ONC206 suppressed USC cell proliferation and induced apoptosis both in vitro and in vivo. Disruption of the DRD2-mediated p38MAPK/ERK/PGC-1α network by ONC206 led to metabolic reprogramming and suppression of both glycolysis and oxidative phosphorylation. ONC206 also synergized with paclitaxel in reducing USC cell viability. In addition, DRD2 overexpression correlated with poor overall survival in patients. This study provides the first evidence that ONC206 induced metabolic reprogramming in USC cells and is a promising therapeutic agent for USC treatment. These findings support further development of ONC206 as a promising therapeutic agent and improves survival rates in patients with USC.
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Affiliation(s)
- Wen Hu
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
- State Key Laboratory of Oncology in South China and Collaborative Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou 510060, China;
| | - Li Zhang
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | - Sammy Ferri-Borgogno
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | - Suet-Ying Kwan
- Department of Molecular and Cellular Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Kelsey E. Lewis
- Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, TX 77555, USA;
| | - Han T. Cun
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | - Tsz-Lun Yeung
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | - Pamela T. Soliman
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | | | - Joshua E. Allen
- Oncoceutics Inc., Philadelphia, PA 19104, USA; (R.S.T.); (J.E.A.)
| | - Xinyuan Guan
- State Key Laboratory of Oncology in South China and Collaborative Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou 510060, China;
| | - Karen H. Lu
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | - Samuel C. Mok
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
| | - Chi-Lam Au-Yeung
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (W.H.); (L.Z.); (S.F.-B.); (H.T.C.); (T.-L.Y.); (P.T.S.); (K.H.L.); (S.C.M.)
- Correspondence:
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Frattaruolo L, Brindisi M, Curcio R, Marra F, Dolce V, Cappello AR. Targeting the Mitochondrial Metabolic Network: A Promising Strategy in Cancer Treatment. Int J Mol Sci 2020; 21:ijms21176014. [PMID: 32825551 PMCID: PMC7503725 DOI: 10.3390/ijms21176014] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/14/2020] [Accepted: 08/19/2020] [Indexed: 12/12/2022] Open
Abstract
Metabolic reprogramming is a hallmark of cancer, which implements a profound metabolic rewiring in order to support a high proliferation rate and to ensure cell survival in its complex microenvironment. Although initial studies considered glycolysis as a crucial metabolic pathway in tumor metabolism reprogramming (i.e., the Warburg effect), recently, the critical role of mitochondria in oncogenesis, tumor progression, and neoplastic dissemination has emerged. In this report, we examined the main mitochondrial metabolic pathways that are altered in cancer, which play key roles in the different stages of tumor progression. Furthermore, we reviewed the function of important molecules inhibiting the main mitochondrial metabolic processes, which have been proven to be promising anticancer candidates in recent years. In particular, inhibitors of oxidative phosphorylation (OXPHOS), heme flux, the tricarboxylic acid cycle (TCA), glutaminolysis, mitochondrial dynamics, and biogenesis are discussed. The examined mitochondrial metabolic network inhibitors have produced interesting results in both preclinical and clinical studies, advancing cancer research and emphasizing that mitochondrial targeting may represent an effective anticancer strategy.
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65
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Sharma P, Bharat, Dogra N, Singh S. Small Regulatory Molecules Acting Big in Cancer: Potential Role of Mito-miRs in Cancer. Curr Mol Med 2020; 19:621-631. [PMID: 31340735 DOI: 10.2174/1566524019666190723165357] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/08/2019] [Accepted: 07/15/2019] [Indexed: 12/13/2022]
Abstract
MicroRNAs [miRNAs] are short, non-coding, single stranded RNA molecules regulating gene expression of their targets at the posttranscriptional level by either degrading mRNA or by inhibiting translation. Previously, miRNAs have been reported to be present inside the mitochondria and these miRNAs have been termed as mito-miRs. Origin of these mito-miRs may either be from mitochondrial genome or import from nucleus. The second class of mito-miRs makes it important to unravel the involvement of miRNAs in crosstalk between nucleus and mitochondria. Since miRNAs are involved in various physiological processes, their deregulation is often associated with disease progression, including cancer. The current review focuses on the involvement of miRNAs in different mitochondrial mediated processes. It also highlights the importance of exploring the interaction of miRNAs with mitochondrial genome, which may lead to the development of small regulatory RNA based therapeutic options.
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Affiliation(s)
- Praveen Sharma
- Laboratory of Molecular Medicine, Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Mansa Road, Bathinda 151001, Punjab, India
| | - Bharat
- Laboratory of Molecular Medicine, Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Mansa Road, Bathinda 151001, Punjab, India
| | - Nilambra Dogra
- Centre for Systems Biology and Bioinformatics, Panjab University, Sector-25, Chandigarh 160014, India
| | - Sandeep Singh
- Laboratory of Molecular Medicine, Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Mansa Road, Bathinda 151001, Punjab, India
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66
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García-Heredia JM, Carnero A. Role of Mitochondria in Cancer Stem Cell Resistance. Cells 2020; 9:E1693. [PMID: 32679735 PMCID: PMC7407626 DOI: 10.3390/cells9071693] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer stem cells (CSC) are associated with the mechanisms of chemoresistance to different cytotoxic drugs or radiotherapy, as well as with tumor relapse and a poor prognosis. Various studies have shown that mitochondria play a central role in these processes because of the ability of this organelle to modify cell metabolism, allowing survival and avoiding apoptosis clearance of cancer cells. Thus, the whole mitochondrial cycle, from its biogenesis to its death, either by mitophagy or by apoptosis, can be targeted by different drugs to reduce mitochondrial fitness, allowing for a restored or increased sensitivity to chemotherapeutic drugs. Once mitochondrial misbalance is induced by a specific drug in any of the processes of mitochondrial metabolism, two elements are commonly boosted: an increment in reactive nitrogen/oxygen species and, subsequently, activation of the intrinsic apoptotic pathway.
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Affiliation(s)
- José Manuel García-Heredia
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013 Seville, Spain
- Departamento de Bioquímica Vegetal y Biología Molecular, Facultad de Biología, Universidad de Sevilla, Avda. de la Reina Mercedes 6, 41012 Seville, Spain
- Centro de Investigación Biomédica en Red de Cáncer, CIBERONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013 Seville, Spain
- Centro de Investigación Biomédica en Red de Cáncer, CIBERONC, Instituto de Salud Carlos III, 28029 Madrid, Spain
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Ruiz CF, Montal ED, Haley JA, Bott AJ, Haley JD. SREBP1 regulates mitochondrial metabolism in oncogenic KRAS expressing NSCLC. FASEB J 2020; 34:10574-10589. [PMID: 32568455 DOI: 10.1096/fj.202000052r] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 05/08/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022]
Abstract
Cancer cells require extensive metabolic reprograming in order to provide the bioenergetics and macromolecular precursors needed to sustain a malignant phenotype. Mutant KRAS is a driver oncogene that is well-known for its ability to regulate the ERK and PI3K signaling pathways. However, it is now appreciated that KRAS can promote the tumor growth via upregulation of anabolic metabolism. We recently reported that oncogenic KRAS promotes a gene expression program of de novo lipogenesis in non-small cell lung cancer (NSCLC). To define the mechanism(s) responsible, we focused on the lipogenic transcription factor SREBP1. We observed that KRAS increases SREBP1 expression and genetic knockdown of SREBP1 significantly inhibited the cell proliferation of mutant KRAS-expressing cells. Unexpectedly, lipogenesis was not significantly altered in cells subject to SREBP1 knockdown. Carbon tracing metabolic studies showed a significant decrease in oxidative phosphorylation and RNA-seq data revealed a significant decrease in mitochondrial encoded subunits of the electron transport chain (ETC). Taken together, these data support a novel role, distinct from lipogenesis, of SREBP1 on mitochondrial function in mutant KRAS NSCLC.
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Affiliation(s)
- Christian F Ruiz
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
| | - Emily D Montal
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - John A Haley
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Alex J Bott
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
| | - John D Haley
- Department of Pathology, Stony Brook University School of Medicine, Stony Brook, NY, USA
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Xiang Y, Fang B, Liu Y, Yan S, Cao D, Mei H, Wang Q, Hu Y, Guo T. SR18292 exerts potent antitumor effects in multiple myeloma via inhibition of oxidative phosphorylation. Life Sci 2020; 256:117971. [PMID: 32553925 DOI: 10.1016/j.lfs.2020.117971] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/29/2020] [Accepted: 06/11/2020] [Indexed: 12/30/2022]
Abstract
AIMS Multiple myeloma (MM) was recently reported to rely on increased oxidative phosphorylation (OXPHOS) for survival, providing a potential opportunity for MM therapy. Herein, we aimed to propose a novel targeted drug for MM treatment, followed by the exploration of reason for OXPHOS enhancement in MM cells. MATERIALS AND METHODS The expression of OXPHOS genes and peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) was analyzed using bioinformatics analyses, followed by verification in MM cell lines. The effects of SR18292 on OXPHOS were measured by qRT-PCR, Western blot, transmission electron microscopy, oxygen consumption rate and so on. The proliferation and apoptosis were evaluated by CCK-8, flow cytometry and Western blot. The efficiency and safety of SR18292 were assessed in a mouse model of MM. KEY FINDINGS The OXPHOS genes were generally overexpressed in MM cells, which was associated with poorer prognosis of MM patients. PGC-1α, a transcriptional coactivator, was upregulated in MM cells, and MM patients with higher PGC-1α expression exhibited increased enrichment of the OXPHOS gene set. Treatment with SR18292 (an inhibitor of PGC-1α) significantly impaired the proliferation and survival of MM cells due to OXPHOS metabolism dysfunction, which leads to energy exhaustion and oxidative damage. Besides, SR18292 potently inhibited tumor growth at a well-tolerated dose in MM model mice. SIGNIFICANCE The overexpression of OXPHOS gene set mediated by upregulated PGC-1α provides a structural basis for enhanced OXPHOS in MM cells, and SR18292 (a PGC-1α inhibitor) exerts potent antimyeloma effects, offering a potential tangible avenue for MM therapy.
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Affiliation(s)
- Yu Xiang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Bin Fang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yilin Liu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Siqi Yan
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Dedong Cao
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Huiling Mei
- Department of Rheumatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Qiuguo Wang
- Pediatrics Department of Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Tao Guo
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan 430022, China.
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Kim GC, Lee CG, Verma R, Rudra D, Kim T, Kang K, Nam JH, Kim Y, Im SH, Kwon HK. ETS1 Suppresses Tumorigenesis of Human Breast Cancer via Trans-Activation of Canonical Tumor Suppressor Genes. Front Oncol 2020; 10:642. [PMID: 32477936 PMCID: PMC7239993 DOI: 10.3389/fonc.2020.00642] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 04/06/2020] [Indexed: 01/18/2023] Open
Abstract
ETS1 has shown dichotomous roles as an oncogene and a tumor suppressor gene in diverse cancers, but its functionality in breast cancer tumorigenesis still remains unclear. We utilized the Cancer Genome Atlas (TCGA) database to analyze comprehensive functions of ETS1 in human breast cancer (BRCA) patients by investigating its expression patterns and methylation status in relation to clinical prognosis. ETS1 expression was significantly diminished by hyper-methylation of the ETS1 promoter region in specimens from BRCA patients compared to a healthy control group. Moreover, ETS1high BRCA patients showed better prognosis and longer survival compared to ETS1low BRCA patients. Consistent with clinical evidence, comparative transcriptome analysis combined with CRISPR/Cas9 or shRNA based perturbation of ETS1 expression revealed direct as well as indirect mechanisms of ETS1 that hinder tumorigenesis of BRCA cells. Taken together, our study enlightens a novel function of ETS1 as a tumor suppressor in breast cancer cells.
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Affiliation(s)
- Gi-Cheon Kim
- Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul, South Korea.,Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea
| | - Choong-Gu Lee
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST), Gangneung Institute of Natural Products, Gangneung, South Korea
| | - Ravi Verma
- Academy of Immunology and Microbiology (AIM), Institute for Basic Science (IBS), Pohang, South Korea
| | - Dipayan Rudra
- Academy of Immunology and Microbiology (AIM), Institute for Basic Science (IBS), Pohang, South Korea
| | - Taemook Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Keunsoo Kang
- Department of Microbiology, College of Natural Sciences, Dankook University, Cheonan, South Korea
| | - Jong Hee Nam
- Department of Pathology, Chonnam National University Medical School, Gwangju, South Korea
| | - Young Kim
- Department of Oral Pathology, School of Dentistry, Chonnam National University, Gwangju, South Korea
| | - Sin-Hyeog Im
- Academy of Immunology and Microbiology (AIM), Institute for Basic Science (IBS), Pohang, South Korea.,Division of Integrative Biosciences and Biotechnology, Department of Life Sciences, Pohang University of Science and Technology, Pohang, South Korea
| | - Ho-Keun Kwon
- Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul, South Korea.,Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, South Korea.,Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, Seoul, South Korea
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Cassim S, Vučetić M, Ždralević M, Pouyssegur J. Warburg and Beyond: The Power of Mitochondrial Metabolism to Collaborate or Replace Fermentative Glycolysis in Cancer. Cancers (Basel) 2020; 12:cancers12051119. [PMID: 32365833 PMCID: PMC7281550 DOI: 10.3390/cancers12051119] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 04/27/2020] [Accepted: 04/29/2020] [Indexed: 12/31/2022] Open
Abstract
A defining hallmark of tumor phenotypes is uncontrolled cell proliferation, while fermentative glycolysis has long been considered as one of the major metabolic pathways that allows energy production and provides intermediates for the anabolic growth of cancer cells. Although such a vision has been crucial for the development of clinical imaging modalities, it has become now evident that in contrast to prior beliefs, mitochondria play a key role in tumorigenesis. Recent findings demonstrated that a full genetic disruption of the Warburg effect of aggressive cancers does not suppress but instead reduces tumor growth. Tumor growth then relies exclusively on functional mitochondria. Besides having fundamental bioenergetic functions, mitochondrial metabolism indeed provides appropriate building blocks for tumor anabolism, controls redox balance, and coordinates cell death. Hence, mitochondria represent promising targets for the development of novel anti-cancer agents. Here, after revisiting the long-standing Warburg effect from a historic and dynamic perspective, we review the role of mitochondria in cancer with particular attention to the cancer cell-intrinsic/extrinsic mechanisms through which mitochondria influence all steps of tumorigenesis, and briefly discuss the therapeutic potential of targeting mitochondrial metabolism for cancer therapy.
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Affiliation(s)
- Shamir Cassim
- Department of Medical Biology, Centre Scientifique de Monaco, CSM, 98000 Monaco, Monaco;
- Correspondence: (S.C.); (J.P.)
| | - Milica Vučetić
- Department of Medical Biology, Centre Scientifique de Monaco, CSM, 98000 Monaco, Monaco;
| | - Maša Ždralević
- Centre A. Lacassagne, University Côte d’Azur, IRCAN, CNRS, 06189 Nice, France;
| | - Jacques Pouyssegur
- Department of Medical Biology, Centre Scientifique de Monaco, CSM, 98000 Monaco, Monaco;
- Centre A. Lacassagne, University Côte d’Azur, IRCAN, CNRS, 06189 Nice, France;
- Correspondence: (S.C.); (J.P.)
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71
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The Essential Oil from Acori Tatarinowii Rhizome (the Dried Rhizome of Acorus tatarinowii Schott) Prevents Hydrogen Peroxide-Induced Cell Injury in PC12 Cells: A Signaling Triggered by CREB/PGC-1 α Activation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:4845028. [PMID: 32215040 PMCID: PMC7085381 DOI: 10.1155/2020/4845028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 10/26/2019] [Accepted: 11/23/2019] [Indexed: 12/25/2022]
Abstract
Acori Tatarinowii Rhizome (ATR, the dried rhizome of Acorus tatarinowii Schott), a well-recognized traditional Chinese herbal medicine, is prescribed to treat neurological disorders. The essential oil is considered as the active fraction of ATR, and the neuroprotection of ATR essential oil (ATEO) is proven, including the protection against oxidative stress. However, the cellular mechanism of ATEO against oxidative stress has not been fully illustrated. In this study, to investigate the cellular mechanism of ATEO, the cytoprotective effect of ATEO against H2O2-induced injury was revealed in PC12 cells. ATEO treatment increased the viability of cells affected by H2O2-mediated injury, inhibited reactive oxygen species (ROS) accumulation, and induced the expression of several antioxidant proteins (SODs, GPx, and UCPs). The cytoprotective effect of ATEO was related to upregulation of peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) expression, which was counteracted by PGC-1α specific knockdown. Using inhibitor of protein kinase A (PKA), we found that cAMP-response element binding protein (CREB) activation was involved in ATEO-induced PGC-1α expression. Taken together, we suggest that ATEO effectively prevents H2O2-induced cell injury possibly through the activation of CREB/PGC-1α signaling in PC12 cells. The results provide a molecular insight into the effect of ATEO on cytoprotection against oxidative stress.
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72
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Xiao H, Zha C, Shao F, Wang L, Tan B. Amino acids regulate energy utilization through mammalian target of rapamycin complex 1 and adenosine monophosphate activated protein kinase pathway in porcine enterocytes. ACTA ACUST UNITED AC 2020; 6:98-106. [PMID: 32211535 PMCID: PMC7083746 DOI: 10.1016/j.aninu.2019.12.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 11/12/2019] [Accepted: 12/08/2019] [Indexed: 01/09/2023]
Abstract
As major fuels for the small intestinal mucosa, dietary amino acids (AA) are catabolized in the mitochondria and serve as sources of energy production. The present study was conducted to investigate AA metabolism that supply cell energy and the underlying signaling pathways in porcine enterocytes. Intestinal porcine epithelial cells (IPEC-J2) were treated with different concentrations of AA, inhibitor, or agonist of mammalian target of rapamycin complex 1 (mTORC1) and adenosine monophosphate activated protein kinase (AMPK), and mitochondrial respiration was monitored. The results showed that AA treatments resulted in enhanced mitochondrial respiration, increased intracellular content of pyruvic acid and lactic acid, and increased hormone-sensitive lipase mRNA expression. Meanwhile, decreased citrate synthase, isocitrate dehydrogenase alpha, and carnitine palmitoyltransferase 1 mRNA expression were also observed. We found that AA treatments increased the protein levels of phosphorylated mammalian target of rapamycin (p-mTOR), phosphorylated-p70 ribosomal protein S6 kinase, and phosphorylated-4E-binding protein 1. What is more, the protein levels of phosphorylated AMPK α (p-AMPKα) and nicotinamide adenine dinucleotide (NAD)-dependent protein deacetylase sirtuin-1 (SIRT1) were decreased by AA treatments in a time depending manner. Mitochondrial bioenergetics and the production of tricarboxylic acid cycle intermediates were decreased upon inhibition of mTORC1 or AMPK. Moreover, AMPK activation could up-regulate the mRNA expressions of inhibitor of nuclear factor kappa-B kinase subunit beta (Ikbkβ), integrin-linked protein kinase (ILK), unconventional myosin-Ic (Myo1c), ribosomal protein S6 kinase beta-2 (RPS6Kβ2), and vascular endothelial growth factor (VEGF)-β, which are downstream effectors of mammalian target of rapamycin (mTOR). The mRNA expressions of phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform (PIK3CD) and 5′-AMP-activated protein kinase subunit gamma-1 (PRKAG1), which are upstream regulators of mTOR, were also up-regulated by AMPK activation. On the other hand, AMPK activation also down-regulated FK506-binding protein 1A (FKBP1A), serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform, phosphatase and tensin homolog (PTEN), and unc-51 like autophagy activating kinase 1 (Ulk1), which are up-stream regulators of mTORC1. Taken together, these data indicated that AA regulated cellular energy metabolism through mTOR and AMPK pathway in porcine enterocytes. These results demonstrated interactions of AMPK and mTORC1 pathways in AA catabolism and energy metabolism in intestinal mucosa cells of piglets, and also provided reference for using AA to remedy human intestinal diseases.
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Affiliation(s)
- Hao Xiao
- State Key Laboratory of Livestock and Poultry Breeding, Ministry of Agriculture Key Laboratory of Animal Nutrition and Feed Science in South China, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China.,Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Cuifang Zha
- State Key Laboratory of Livestock and Poultry Breeding, Ministry of Agriculture Key Laboratory of Animal Nutrition and Feed Science in South China, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Fangyuan Shao
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Li Wang
- State Key Laboratory of Livestock and Poultry Breeding, Ministry of Agriculture Key Laboratory of Animal Nutrition and Feed Science in South China, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Bi'e Tan
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.,College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
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73
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Kianmehr P, Azarbayjani MA, Peeri M, Farzanegi P. Synergic effects of exercise training and octopamine on peroxisome proliferator-activated receptor-gamma coactivator -1a and uncoupling protein 1 mRNA in heart tissue of rat treated with deep frying oil. Biochem Biophys Rep 2020; 22:100735. [PMID: 32140572 PMCID: PMC7047140 DOI: 10.1016/j.bbrep.2020.100735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/18/2020] [Accepted: 01/21/2020] [Indexed: 11/06/2022] Open
Abstract
Octopamine (OCT) have an adverse effect on heart function. One of the positive effects of exercise training is improving cardiac function and cardiomyocytes signaling, which along with herbal supplements can have better effects on the heart tissue. Therefore, the aim of this study was to evaluate the effects of exercise training and OCT on changes of PGC1α and UCP1 expression in heart tissue of rat treated with deep frying oil (DFO). In this study, 45 male wistar rats were divided into 5 groups (n = 9 in each): I) control (Co), II) DFO, III) DFO + exercise, IV) DFO + OCT, and V) DFO + OCT + exercise. The quantification of apoptotic effects of DFO in heart tissue was assessed by TUNEL assay. Masson's trichrome stain applied to study cardiomyocytic fibers. Moreover, PGC1α and UCP1 genes and proteins expression in all groups were investigated using quantitative real-time PCR and immunohistochemical method. A significant increase in apoptotic cells was observed in the DFO-treated group (p < 0.05). In Masson's Trichrome stain study, more cardiomyocytic fibers were observed and some lymphocytic cells were present in some fibers. Also, the expression of PGC1α and UCP1 was significantly increase in DFO + exercise group, DFO + OCT group, and DFO + OCT + exercise group compare to DFO group (p < 0.05). Based on these findings, exercise and octopamine can be considered as factors affecting the expression of PGC1α genes and UCP1 as well as drug poisoning. Exercise training with octopamine can be upregulate expression of PGC1α. Exercise training with octopamine can be upregulate expression of UCP1. Increase the PGC1α and UCP1 can improve the mitochondria disfunction induced by DFO.
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Affiliation(s)
- Pantea Kianmehr
- -Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Ali Azarbayjani
- -Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Maghsoud Peeri
- -Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Parvin Farzanegi
- -Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran
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74
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Antunes F, Pereira GJS, Saito RF, Buri MV, Gagliardi M, Bincoletto C, Chammas R, Fimia GM, Piacentini M, Corazzari M, Smaili SS. Effective Synergy of Sorafenib and Nutrient Shortage in Inducing Melanoma Cell Death through Energy Stress. Cells 2020; 9:E640. [PMID: 32155825 PMCID: PMC7140454 DOI: 10.3390/cells9030640] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 12/21/2022] Open
Abstract
Skin melanoma is one of the most aggressive and difficult-to-treat human malignancies, characterized by poor survival rates, thus requiring urgent novel therapeutic approaches. Although metabolic reprogramming has represented so far, a cancer hallmark, accumulating data indicate a high plasticity of cancer cells in modulating cellular metabolism to adapt to a heterogeneous and continuously changing microenvironment, suggesting a novel therapeutic approach for dietary manipulation in cancer therapy. To this aim, we exposed melanoma cells to combined nutrient-restriction/sorafenib. Results indicate that cell death was efficiently induced, with apoptosis representing the prominent feature. In contrast, autophagy was blocked in the final stage by this treatment, similarly to chloroquine, which also enhanced melanoma cell sensitization to combined treatment. Energy stress was evidenced by associated treatment with mitochondrial dysfunction and glycolysis impairment, suggesting metabolic stress determining melanoma cell death. A reduction of tumor growth after cycles of intermittent fasting together with sorafenib treatment was also observed in vivo, reinforcing that the nutrient shortage can potentiate anti-melanoma therapy. Our findings showed that the restriction of nutrients by intermittent fasting potentiates the effects of sorafenib due to the modulation of cellular metabolism, suggesting that it is possible to harness the energy of cancer cells for the treatment of melanoma.
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Affiliation(s)
- Fernanda Antunes
- Department of Pharmacology, Federal University of São Paulo, Paulista School of Medicine, São Paulo 04021-001, Brazil; (F.A.); (G.J.S.P.); (C.B.); (S.S.S.)
| | - Gustavo J. S. Pereira
- Department of Pharmacology, Federal University of São Paulo, Paulista School of Medicine, São Paulo 04021-001, Brazil; (F.A.); (G.J.S.P.); (C.B.); (S.S.S.)
| | - Renata F. Saito
- Center for Translational Research in Oncology, Department of Radiology and Oncology, Faculty of Medicine of the University of São Paulo and Cancer Institute of the State of São Paulo, São Paulo 04021-001, Brazil; (R.F.S.); (R.C.)
| | - Marcus V. Buri
- Department of Molecular Biology, Federal University of São Paulo, Paulista School of Medicine, São Paulo 04021-001, Brazil;
| | - Mara Gagliardi
- Department of Health Sciences (DISS), University of Piemonte Orientale, 28100 Novara, Italy;
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), 28100 Novara, Italy
| | - Claudia Bincoletto
- Department of Pharmacology, Federal University of São Paulo, Paulista School of Medicine, São Paulo 04021-001, Brazil; (F.A.); (G.J.S.P.); (C.B.); (S.S.S.)
| | - Roger Chammas
- Center for Translational Research in Oncology, Department of Radiology and Oncology, Faculty of Medicine of the University of São Paulo and Cancer Institute of the State of São Paulo, São Paulo 04021-001, Brazil; (R.F.S.); (R.C.)
| | - Gian Maria Fimia
- Department of Epidemiology and Preclinical Research, National Institute for Infectious Diseases IRCCS ‘Lazzaro Spallanzani’, 00149 Rome, Italy; (G.M.F.); (M.P.)
- Department of Molecular Medicine, University of Rome La Sapienza, 00185 Rome, Italy
| | - Mauro Piacentini
- Department of Epidemiology and Preclinical Research, National Institute for Infectious Diseases IRCCS ‘Lazzaro Spallanzani’, 00149 Rome, Italy; (G.M.F.); (M.P.)
- Institute of Cytology of the Russian Academy of Sciences, 199034 Saint Petersburg, Russia
| | - Marco Corazzari
- Department of Health Sciences (DISS), University of Piemonte Orientale, 28100 Novara, Italy;
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), 28100 Novara, Italy
- Department of Health Sciences and Interdisciplinary Research Center of Autoimmune Diseases (IRCAD), University of Piemonte Orientale, 28100 Novara, Italy
| | - Soraya Soubhi Smaili
- Department of Pharmacology, Federal University of São Paulo, Paulista School of Medicine, São Paulo 04021-001, Brazil; (F.A.); (G.J.S.P.); (C.B.); (S.S.S.)
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75
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Tong M, Liu H, Hao J, Fan D. Comparative pharmacoproteomics reveals potential targets for berberine, a promising therapy for colorectal cancer. Biochem Biophys Res Commun 2020; 525:S0006-291X(20)30320-X. [PMID: 32087971 DOI: 10.1016/j.bbrc.2020.02.052] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 02/07/2020] [Indexed: 02/07/2023]
Abstract
Berberine (BBR), a natural isoquinoline alkaloid, has been shown to be a promising therapeutic agent for colorectal cancer (CRC), but the molecular mechanism remains unclear. Here, we used mass spectrometry-based label-free proteomics to explore the potential targets of BBR in CRC cells. Comprehensive proteomic profiles demonstrated that of 8051 identified proteins, 503 and 277 differentially expressed proteins (DEPs) were screened out of CACO2 and LOVO cells, respectively. 83 DEPs were overlapped and most of these were down-regulated. A pathway enrichment analysis pinpointed mitochondrial translation, respiratory electron transport and the citric acid (TCA) cycle as biological effectors. The data of proteomics was subsequently confirmed by citrate synthase (CS), Tu translation elongation factor (TUFM), pentatricopeptide repeat domain 3 (PTCD3) and mitochondrial ribosomal protein L48 (MRPL 48) protein measurement. CS protein expression in CRC cells and tissues was higher than it was in normal specimens. Additionally, forcible downregulation of CS led to remarkable cell proliferation inhibition. Taken together, we concluded that the anticancer effects of BBR are attributable to mitochondrial protein synthesis, TCA and respiratory electron transport inhibition and that CS might be a useful therapeutic target in CRC treatment.
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Affiliation(s)
- Mingfu Tong
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Haiming Liu
- College of Computer Science and Technology, Jilin University, Changchun, 130012, Jilin, China
| | - Jianyu Hao
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China.
| | - Daiming Fan
- Department of Gastroenterology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China; State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, 710032, China.
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76
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Kasai S, Shimizu S, Tatara Y, Mimura J, Itoh K. Regulation of Nrf2 by Mitochondrial Reactive Oxygen Species in Physiology and Pathology. Biomolecules 2020; 10:biom10020320. [PMID: 32079324 PMCID: PMC7072240 DOI: 10.3390/biom10020320] [Citation(s) in RCA: 264] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 02/06/2023] Open
Abstract
Reactive oxygen species (ROS) are byproducts of aerobic respiration and signaling molecules that control various cellular functions. Nrf2 governs the gene expression of endogenous antioxidant synthesis and ROS-eliminating enzymes in response to various electrophilic compounds that inactivate the negative regulator Keap1. Accumulating evidence has shown that mitochondrial ROS (mtROS) activate Nrf2, often mediated by certain protein kinases, and induce the expression of antioxidant genes and genes involved in mitochondrial quality/quantity control. Mild physiological stress, such as caloric restriction and exercise, elicits beneficial effects through a process known as “mitohormesis”. Exercise induces NOX4 expression in the heart, which activates Nrf2 and increases endurance capacity. Mice transiently depleted of SOD2 or overexpressing skeletal muscle-specific UCP1 exhibit Nrf2-mediated antioxidant gene expression and PGC1α-mediated mitochondrial biogenesis. ATF4 activation may induce a transcriptional program that enhances NADPH synthesis in the mitochondria and might cooperate with the Nrf2 antioxidant system. In response to severe oxidative stress, Nrf2 induces Klf9 expression, which represses mtROS-eliminating enzymes to enhance cell death. Nrf2 is inactivated in certain pathological conditions, such as diabetes, but Keap1 down-regulation or mtROS elimination rescues Nrf2 expression and improves the pathology. These reports aid us in understanding the roles of Nrf2 in pathophysiological alterations involving mtROS.
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Affiliation(s)
- Shuya Kasai
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan; (S.K.); (S.S.); (J.M.)
| | - Sunao Shimizu
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan; (S.K.); (S.S.); (J.M.)
- Department of Nature & Wellness Research, Innovation Division, Kagome Co., Ltd. Nasushiobara, Tochigi 329-2762, Japan
| | - Yota Tatara
- Department of Glycotechnology, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan;
| | - Junsei Mimura
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan; (S.K.); (S.S.); (J.M.)
| | - Ken Itoh
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki 036-8562, Japan; (S.K.); (S.S.); (J.M.)
- Correspondence: ; Tel.: +81-172-39-5158
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77
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Schukken KM, Lin YC, Bakker PL, Schubert M, Preuss SF, Simon JE, van den Bos H, Storchova Z, Colomé-Tatché M, Bastians H, Spierings DC, Foijer F. Altering microtubule dynamics is synergistically toxic with spindle assembly checkpoint inhibition. Life Sci Alliance 2020; 3:3/2/e201900499. [PMID: 31980556 PMCID: PMC6985455 DOI: 10.26508/lsa.201900499] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 02/06/2023] Open
Abstract
Chromosomal instability (CIN) is a hallmark feature of cancer cells. In this study, Schukken and colleagues screen for compounds that selectively target CIN cells and identify an inhibitor of Src kinase to be selectively toxic for CIN cells. Chromosomal instability (CIN) and aneuploidy are hallmarks of cancer. As most cancers are aneuploid, targeting aneuploidy or CIN may be an effective way to target a broad spectrum of cancers. Here, we perform two small molecule compound screens to identify drugs that selectively target cells that are aneuploid or exhibit a CIN phenotype. We find that aneuploid cells are much more sensitive to the energy metabolism regulating drug ZLN005 than their euploid counterparts. Furthermore, cells with an ongoing CIN phenotype, induced by spindle assembly checkpoint (SAC) alleviation, are significantly more sensitive to the Src kinase inhibitor SKI606. We show that inhibiting Src kinase increases microtubule polymerization rates and, more generally, that deregulating microtubule polymerization rates is particularly toxic to cells with a defective SAC. Our findings, therefore, suggest that tumors with a dysfunctional SAC are particularly sensitive to microtubule poisons and, vice versa, that compounds alleviating the SAC provide a powerful means to treat tumors with deregulated microtubule dynamics.
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Affiliation(s)
- Klaske M Schukken
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Yu-Chih Lin
- Goettingen Center for Molecular Biosciences and University Medical Center, Goettingen, Germany
| | - Petra L Bakker
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Michael Schubert
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Stephanie F Preuss
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Judith E Simon
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Hilda van den Bos
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Zuzana Storchova
- Department of Molecular Genetics, University of Kaiserslautern, Germany
| | - Maria Colomé-Tatché
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Institute of Computational Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany.,Technical University of Munich, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Holger Bastians
- Goettingen Center for Molecular Biosciences and University Medical Center, Goettingen, Germany
| | - Diana Cj Spierings
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Floris Foijer
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
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78
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The Tumor Suppressor Roles of MYBBP1A, a Major Contributor to Metabolism Plasticity and Stemness. Cancers (Basel) 2020; 12:cancers12010254. [PMID: 31968688 PMCID: PMC7017249 DOI: 10.3390/cancers12010254] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/18/2019] [Accepted: 01/14/2020] [Indexed: 12/12/2022] Open
Abstract
The MYB binding protein 1A (MYBBP1A, also known as p160) acts as a co-repressor of multiple transcription factors involved in many physiological processes. Therefore, MYBBP1A acts as a tumor suppressor in multiple aspects related to cell physiology, most of them very relevant for tumorigenesis. We explored the different roles of MYBBP1A in different aspects of cancer, such as mitosis, cellular senescence, epigenetic regulation, cell cycle, metabolism plasticity and stemness. We especially reviewed the relationships between MYBBP1A, the inhibitory role it plays by binding and inactivating c-MYB and its regulation of PGC-1α, leading to an increase in the stemness and the tumor stem cell population. In addition, MYBBP1A causes the activation of PGC-1α directly and indirectly through c-MYB, inducing the metabolic change from glycolysis to oxidative phosphorylation (OXPHOS). Therefore, the combination of these two effects caused by the decreased expression of MYBBP1A provides a selective advantage to tumor cells. Interestingly, this only occurs in cells lacking pVHL. Finally, the loss of MYBBP1A occurs in 8%–9% of renal tumors. tumors, and this subpopulation could be studied as a possible target of therapies using inhibitors of mitochondrial respiration.
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79
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Anabolic SIRT4 Exerts Retrograde Control over TORC1 Signaling by Glutamine Sparing in the Mitochondria. Mol Cell Biol 2020; 40:MCB.00212-19. [PMID: 31685549 DOI: 10.1128/mcb.00212-19] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 10/28/2019] [Indexed: 12/30/2022] Open
Abstract
Anabolic and catabolic signaling mediated via mTOR and AMPK (AMP-activated kinase) have to be intrinsically coupled to mitochondrial functions for maintaining homeostasis and mitigate cellular/organismal stress. Although glutamine is known to activate mTOR, whether and how differential mitochondrial utilization of glutamine impinges on mTOR signaling has been less explored. Mitochondrial SIRT4, which unlike other sirtuins is induced in a fed state, is known to inhibit catabolic signaling/pathways through the AMPK-PGC1α/SIRT1-peroxisome proliferator-activated receptor α (PPARα) axis and negatively regulate glutamine metabolism via the tricarboxylic acid cycle. However, physiological significance of SIRT4 functions during a fed state is still unknown. Here, we establish SIRT4 as key anabolic factor that activates TORC1 signaling and regulates lipogenesis, autophagy, and cell proliferation. Mechanistically, we demonstrate that the ability of SIRT4 to inhibit anaplerotic conversion of glutamine to α-ketoglutarate potentiates TORC1. Interestingly, we also show that mitochondrial glutamine sparing or utilization is critical for differentially regulating TORC1 under fed and fasted conditions. Moreover, we conclusively show that differential expression of SIRT4 during fed and fasted states is vital for coupling mitochondrial energetics and glutamine utilization with anabolic pathways. These significant findings also illustrate that SIRT4 integrates nutrient inputs with mitochondrial retrograde signals to maintain a balance between anabolic and catabolic pathways.
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80
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López-Sánchez LM, Aranda E, Rodríguez-Ariza A. Nitric oxide and tumor metabolic reprogramming. Biochem Pharmacol 2019; 176:113769. [PMID: 31862448 DOI: 10.1016/j.bcp.2019.113769] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 12/13/2019] [Indexed: 12/20/2022]
Abstract
Nitric oxide (NO) has been highlighted as an important agent in tumor processes. However, a complete understanding of the mechanisms by which this simple diatomic molecule contributes in tumorigenesis is lacking. Evidence is rapidly accumulating that metabolic reprogramming is a major new aspect of NO biology and this review is aimed to summarize recent research progress on this novel feature that expands the complex and multifaceted role of NO in cancer. Therefore, we discuss how NO may influence glucose and glutamine utilization by tumor cells, and its participation in the regulation of mitochondrial function and dynamics, that is an important mechanism through which cancer cells reprogram their metabolism to meet the biosynthetic needs of rapid proliferation. Finally, we also discuss the NO-related metabolic rewiring involved in the modification of the tumor microenvironment to support cancer invasion and the escape from immune system-mediated recognition. Protein S-nitrosylation appears as a common mechanism by which NO signaling reprograms metabolism. Hence, future research is needed on dysregulated S-nitrosylation/denitrosylation in cancer to comprehend the NO-induced metabolic changes in tumor cells and the role of NO in the metabolic crosstalk within tumor microenvironment.
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Affiliation(s)
- Laura M López-Sánchez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Av. Menéndez Pidal s/n, E14004 Córdoba, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Av. Monforte de Lemos, 3-5, E 28029 Madrid, Spain
| | - Enrique Aranda
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Av. Menéndez Pidal s/n, E14004 Córdoba, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Av. Monforte de Lemos, 3-5, E 28029 Madrid, Spain; Unidad de Gestión Clínica de Oncología Médica, Hospital Reina Sofía, Universidad de Córdoba, Av. Menéndez Pidal s/n, E14004 Córdoba, Spain
| | - Antonio Rodríguez-Ariza
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Av. Menéndez Pidal s/n, E14004 Córdoba, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Av. Monforte de Lemos, 3-5, E 28029 Madrid, Spain; Unidad de Gestión Clínica de Oncología Médica, Hospital Reina Sofía, Universidad de Córdoba, Av. Menéndez Pidal s/n, E14004 Córdoba, Spain.
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81
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Zhang Q, Chen W, Xie C, Dai X, Ma J, Lu J. The Role of PGC-1α in Digestive System Malignant Tumours. Anticancer Agents Med Chem 2019; 20:276-285. [PMID: 31702508 DOI: 10.2174/1871520619666191105125409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 08/30/2019] [Accepted: 10/02/2019] [Indexed: 12/28/2022]
Abstract
BACKGROUND Cancer is increasingly becoming the leading cause of death in many countries, and malignant tumours of the digestive system account for majority of cancer incidence and mortality cases. Metabolism has been identified as a core hallmark of cancer. Peroxisome proliferator activated receptor gamma coactivator-1 alpha (PGC-1α) is a pivotal regulator of mitochondrial energy metabolism. Accumulating evidence reveals that PGC-1α is essential in cancer development. OBJECTIVE We summarize the latest research progress of PGC-1α in common digestive system malignant tumours. Some related modulators and pathways are analyzed as well. METHODS We conducted a literature review on the development of PGC-1α in common digestive system malignant tumours. RESULTS In colorectal cancer, PGC-1α appears to provide growth advantages by different pathways, although it has also been reported to have opposite effects. The previous studies of PGC-1α on liver cancer also demonstrated different effects by sundry pathways. Concerning gastric cancer, PGC-1α promotes cell proliferation, apoptosis in vitro and tumour growth in vivo. AMPK/SIRT1/PGC-1α is related to the inhibition of apoptosis in pancreatic cancer cells. Pancreatic cancer stem cells are strongly dependent on mitochondrial oxidative phosphorylation. PGC-1α is required to maintain the stemness property of pancreatic cancer stem cells. CONCLUSION We explore diverse mechanisms that explain the dichotomous functions of PGC-1α on tumorigenesis, and discuss the latest research concerning digestive system malignant tumours. This review would provide better comprehension of the field and a basis for further studies associated with PGC-1α in digestive system cancers.
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Affiliation(s)
- Qiushuang Zhang
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Wei Chen
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.,Collaborative Innovation Center of Henan Province for Cancer Chemoprevention, Zhengzhou, Henan 450001, China
| | - Chao Xie
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xiaoshuo Dai
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Junfen Ma
- Department of Clinical Laboratory, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jing Lu
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.,Collaborative Innovation Center of Henan Province for Cancer Chemoprevention, Zhengzhou, Henan 450001, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, Henan 450001, China
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82
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Yazdani HO, Roy E, Comerci AJ, van der Windt DJ, Zhang H, Huang H, Loughran P, Shiva S, Geller DA, Bartlett DL, Tsung A, Sheng T, Simmons RL, Tohme S. Neutrophil Extracellular Traps Drive Mitochondrial Homeostasis in Tumors to Augment Growth. Cancer Res 2019; 79:5626-5639. [PMID: 31519688 PMCID: PMC6825588 DOI: 10.1158/0008-5472.can-19-0800] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 07/31/2019] [Accepted: 09/09/2019] [Indexed: 12/29/2022]
Abstract
Neutrophil infiltration and neutrophil extracellular traps (NET) in solid cancers are associated with poorer prognosis, but the mechanisms are incompletely understood. We hypothesized that NETs enhance mitochondrial function in tumor cells, providing extra energy for accelerated growth. Metastatic colorectal cancer tissue showed increased intratumoral NETs and supranormal preoperative serum MPO-DNA, a NET marker. Higher MPO-DNA correlated with shorter survival. In mice, subcutaneous tumor implants and hepatic metastases grew slowly in PAD4-KO mice, genetically incapable of NETosis. In parallel experiments, human cancer cell lines grew slower in nu/nu mice treated with DNAse, which disassembles NETs. PAD4-KO tumors manifested decreased proliferation, increased apoptosis, and increased evidence of oxidative stress. PAD4-KO tumors had decreased mitochondrial density, mitochondrial DNA, a lesser degree of ATP production, along with significantly decreased mitochondrial biogenesis proteins PGC1α, TFAM, and NRF-1. In vitro, cancer cells treated with NETs upregulated mitochondrial biogenesis-associated genes, increased mitochondrial density, increased ATP production, enhanced the percentage of cancer cells with reduced mitochondrial membrane potential, and increased the oxygen consumption rate. Furthermore, NETs increased cancer cells' expression of fission and fusion-associated proteins, DRP-1 and MFN-2, and mitophagy-linked proteins, PINK1 and Parkin. All of which were decreased in PAD4-KO tumors. Mechanistically, neutrophil elastase released from NETs activated TLR4 on cancer cells, leading to PGC1α upregulation, increased mitochondrial biogenesis, and accelerated growth. Taken together, NETs can directly alter the metabolic programming of cancer cells to increase tumor growth. NETs represent a promising therapeutic target to halt cancer progression. SIGNIFICANCE: Neutrophils through the release of NETs facilitate the growth of stressed cancer cells by altering their bioenergetics, the inhibition of which induces cell death.
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Affiliation(s)
- Hamza O Yazdani
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Eva Roy
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | | | - Hongji Zhang
- Department of Surgery, Ohio State University, Wexner Medical Center, Columbus, Ohio
| | - Hai Huang
- Department of Surgery, Ohio State University, Wexner Medical Center, Columbus, Ohio
| | - Patricia Loughran
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
- Center for Biologic Imaging, Department of Cell Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Sruti Shiva
- Department of Pharmacology and Chemical Biology, Vascular Medicine Institute, Center for Metabolism and Mitochondrial Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - David A Geller
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - David L Bartlett
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Allan Tsung
- Department of Surgery, Ohio State University, Wexner Medical Center, Columbus, Ohio
| | - Tai Sheng
- Department of Surgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Richard L Simmons
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Samer Tohme
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania.
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83
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KDM3A Senses Oxygen Availability to Regulate PGC-1α-Mediated Mitochondrial Biogenesis. Mol Cell 2019; 76:885-895.e7. [PMID: 31629659 DOI: 10.1016/j.molcel.2019.09.019] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 07/22/2019] [Accepted: 09/12/2019] [Indexed: 12/19/2022]
Abstract
Hypoxia, which occurs during tumor growth, triggers complex adaptive responses in which peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) plays a critical role in mitochondrial biogenesis and oxidative metabolism. However, how PGC-1α is regulated in response to oxygen availability remains unclear. We demonstrated that lysine demethylase 3A (KDM3A) binds to PGC-1α and demethylates monomethylated lysine (K) 224 of PGC-1α under normoxic conditions. Hypoxic stimulation inhibits KDM3A, which has a high KM of oxygen for its activity, and enhances PGC-1α K224 monomethylation. This modification decreases PGC-1α's activity required for NRF1- and NRF2-dependent transcriptional regulation of TFAM, TFB1M, and TFB2M, resulting in reduced mitochondrial biogenesis. Expression of PGC-1α K224R mutant significantly increases mitochondrial biogenesis, reactive oxygen species (ROS) production, and tumor cell apoptosis under hypoxia and inhibits brain tumor growth in mice. This study revealed that PGC-1α monomethylation, which is dependent on oxygen availability-regulated KDM3A, plays a critical role in the regulation of mitochondrial biogenesis.
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84
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Bokil A, Sancho P. Mitochondrial determinants of chemoresistance. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2019; 2:634-646. [PMID: 35582564 PMCID: PMC8992520 DOI: 10.20517/cdr.2019.46] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/10/2019] [Accepted: 07/17/2019] [Indexed: 12/17/2022]
Abstract
Chemoresistance constitute nowadays the major contributor to therapy failure in most cancers. There are main factors that mitigate cell response to therapy, such as target organ, inherent sensitivity to the administered compound, its metabolism, drug efflux and influx or alterations on specific cellular targets, among others. We now know that intrinsic properties of cancer cells, including metabolic features, substantially contribute to chemoresistance. In fact, during the last years, numerous reports indicate that cancer cells resistant to chemotherapy demonstrate significant alterations in mitochondrial metabolism, membrane polarization and mass. Metabolic activity and expression of several mitochondrial proteins are modulated under treatment to cope with stress, making these organelles central players in the development of resistance to therapies. Here, we review the role of mitochondria in chemoresistant cells in terms of metabolic rewiring and function of key mitochondria-related proteins.
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Affiliation(s)
- Ansooya Bokil
- IIS Aragon, Hospital Universitario Miguel Servet, Zaragoza 50009, Spain
| | - Patricia Sancho
- IIS Aragon, Hospital Universitario Miguel Servet, Zaragoza 50009, Spain
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85
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Patra S, Panigrahi DP, Praharaj PP, Bhol CS, Mahapatra KK, Mishra SR, Behera BP, Jena M, Bhutia SK. Dysregulation of histone deacetylases in carcinogenesis and tumor progression: a possible link to apoptosis and autophagy. Cell Mol Life Sci 2019; 76:3263-3282. [PMID: 30982077 PMCID: PMC11105585 DOI: 10.1007/s00018-019-03098-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/25/2019] [Accepted: 04/08/2019] [Indexed: 02/08/2023]
Abstract
Dysregulation of the epigenome and constitutional epimutation lead to aberrant expression of the genes, which regulate cancer initiation and progression. Histone deacetylases (HDACs), which are highly conserved in yeast to humans, are known to regulate numerous proteins involved in the transcriptional regulation of chromatin structures, apoptosis, autophagy, and mitophagy. In addition, a non-permissive chromatin conformation is created by HDACs, preventing the transcription of the genes encoding the proteins associated with tumorigenesis. Recently, an expanding perspective has been reported from the clinical trials with HDACis (HDAC inhibitors), which has emerged as a determining target for the study of the detailed mechanisms underlying cancer progression. Therefore, the present review focuses on the comprehensive lucubration of post-translational modifications and the molecular mechanisms through which HDACs alter the ambiguities associated with epigenome, with particular insights into the initiation, progression, and regulation of cancer.
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Affiliation(s)
- Srimanta Patra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Debasna P Panigrahi
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Prakash P Praharaj
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Chandra S Bhol
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Kewal K Mahapatra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Soumya R Mishra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Bishnu P Behera
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Mrutyunjay Jena
- PG Department of Botany, Berhampur University, Brahmapur, 760007, India
| | - Sujit K Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India.
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86
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Vitkevičienė A, Janulis V, Žučenka A, Borutinskaitė V, Kaupinis A, Valius M, Griškevičius L, Navakauskienė R. Oxidative phosphorylation inhibition induces anticancerous changes in therapy-resistant-acute myeloid leukemia patient cells. Mol Carcinog 2019; 58:2008-2016. [PMID: 31385375 DOI: 10.1002/mc.23092] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 07/19/2019] [Indexed: 01/27/2023]
Abstract
Treatment of acute myeloid leukemia (AML) is still a challenge because of common relapses or resistance to treatment. Therefore, the development of new therapeutic approaches is necessary. Various studies have shown that certain cancers, including some chemoresistant AML subsets, have upregulated oxidative phosphorylation. In this study, we aimed to assess treatment-resistant AML patients' cell modulation using oxidative phosphorylation inhibitors metformin and atovaquone alone and in various combinations with cytosine analog cytarabine and apoptosis inducer venetoclax. Metabolic activity analysis using Agilent Seahorse XF Extracellular Flux Analyzer revealed that peripheral blood mononuclear cells' metabolic state was different among treatment-resistant AML patients. We demonstrated that metformin decreased therapy-resistant-AML cell oxidative phosphorylation ex vivo, cotreatment with cytarabine and venetoclax slightly increased the effect. However, treatment with atovaquone did not have a marked effect in our experiment. Cell treatment had a slight effect on cell proliferation inhibition; combination of metformin, cytarabine, and venetoclax had the strongest effect. Moreover, a slightly higher effect on cell proliferation and cell cycle regulation was demonstrated in the cells with higher initial oxidative phosphorylation rate as demonstrated by gene expression analysis using reverse transcription quantitative polymerase chain reaction (RT-qPCR). Proteomic analysis by liquid chromatography-mass spectrometry demonstrated that chemoresistant AML cell treatment with metformin modulated metabolic pathways, while metformin combination with cytarabine and venetoclax boosted the effect. We suggest that oxidative phosphorylation inhibition is effective but not sufficient for chemoresistant AML treatment. Indeed, it causes anticancerous changes that might have an important additive role in combinatory treatment.
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Affiliation(s)
- Aida Vitkevičienė
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Vytautas Janulis
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Andrius Žučenka
- Centre of Hematology, Oncology and Transfusion Medicine, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Veronika Borutinskaitė
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Algirdas Kaupinis
- Proteomics Centre, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Mindaugas Valius
- Proteomics Centre, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Laimonas Griškevičius
- Centre of Hematology, Oncology and Transfusion Medicine, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Rūta Navakauskienė
- Department of Molecular Cell Biology, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
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87
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Lee M, Hirpara JL, Eu JQ, Sethi G, Wang L, Goh BC, Wong AL. Targeting STAT3 and oxidative phosphorylation in oncogene-addicted tumors. Redox Biol 2019; 25:101073. [PMID: 30594485 PMCID: PMC6859582 DOI: 10.1016/j.redox.2018.101073] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/08/2018] [Accepted: 12/07/2018] [Indexed: 02/07/2023] Open
Abstract
Drug resistance invariably limits the response of oncogene-addicted cancer cells to targeted therapy. The upregulation of signal transducer and activator of transcription 3 (STAT3) has been implicated as a mechanism of drug resistance in a range of oncogene-addicted cancers. However, the development of inhibitors against STAT3 has been fraught with challenges such as poor delivery or lack of specificity. Clinical experience with small molecule STAT3 inhibitors has seen efficacy signals, but this success has been tempered by drug limiting toxicities from off-target adverse events. It has emerged in recent years that, contrary to the Warburg theory, certain tumor types undergo metabolic reprogramming towards oxidative phosphorylation (OXPHOS) to satisfy their energy production. In particular, certain drug-resistant oncogene-addicted tumors have been found to rely on OXPHOS as a mechanism of survival. Multiple cellular signaling pathways converge on STAT3, hence the localization of STAT3 to the mitochondria may provide the link between oncogene-induced signaling pathways and cancer cell metabolism. In this article, we review the role of STAT3 and OXPHOS as targets of novel therapeutic strategies aimed at restoring drug sensitivity in treatment-resistant oncogene-addicted tumor types. Apart from drugs which have been re-purposed as OXPHOS inhibitors for-anti-cancer therapy (e.g., metformin and phenformin), several novel compounds in the drug-development pipeline have demonstrated promising pre-clinical and clinical activity. However, the clinical development of OXPHOS inhibitors remains in its infancy. The further identification of compounds with acceptable toxicity profiles, alongside the discovery of robust companion biomarkers of OXPHOS inhibition, would represent tangible early steps in transforming the therapeutic landscape of cancer cell metabolism.
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Affiliation(s)
- Matilda Lee
- Department of Haematology-Oncology, National University Health System, Singapore; Haematology-Oncology Research Group, National University Cancer Institute of Singapore, National University Health System, Singapore
| | | | | | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | | | - Boon-Cher Goh
- Department of Haematology-Oncology, National University Health System, Singapore; Haematology-Oncology Research Group, National University Cancer Institute of Singapore, National University Health System, Singapore; Cancer Science Institute, Singapore; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Andrea L Wong
- Department of Haematology-Oncology, National University Health System, Singapore; Haematology-Oncology Research Group, National University Cancer Institute of Singapore, National University Health System, Singapore; Cancer Science Institute, Singapore.
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88
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Felipe-Abrio B, Verdugo-Sivianes EM, Carnero A. c-MYB- and PGC1a-dependent metabolic switch induced by MYBBP1A loss in renal cancer. Mol Oncol 2019; 13:1519-1533. [PMID: 31066170 PMCID: PMC6599841 DOI: 10.1002/1878-0261.12499] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/24/2019] [Accepted: 05/07/2019] [Indexed: 12/22/2022] Open
Abstract
The tumor microenvironment may alter the original tumorigenic potential of tumor cells. Under harsh environmental conditions, genetic alterations conferring selective advantages may initiate the growth of tumor subclones, providing new opportunities for these tumors to grow. We performed a genetic loss-of-function screen to identify genetic alterations able to promote tumor cell growth in the absence of glucose. We identified that downregulation of MYBBP1A increases tumorigenic properties under nonpermissive conditions. MYBBP1A downregulation simultaneously activates PGC1α, directly by alleviating direct repression and indirectly by increasing PGC1α mRNA levels through c-MYB, leading to a metabolic switch from glycolysis to OXPHOS and increased tumorigenesis in low-glucose microenvironments. We have also identified reduced MYBBP1A expression in human renal tumor samples, which show high expression levels of genes involved in oxidative metabolism. In summary, our data support the role of MYBBP1A as a tumor suppressor by regulating c-MYB and PGC1α. Therefore, loss of MYBBP1A increases adaptability spanning of tumors through metabolic switch.
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Affiliation(s)
- Blanca Felipe-Abrio
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío (HUVR), Consejo Superior de Investigaciones Científicas, Universidad de Sevilla, Spain.,CIBER de Cáncer, Instituto de Salud Carlos III, Madrid, Spain
| | - Eva M Verdugo-Sivianes
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío (HUVR), Consejo Superior de Investigaciones Científicas, Universidad de Sevilla, Spain.,CIBER de Cáncer, Instituto de Salud Carlos III, Madrid, Spain
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla (IBIS), Hospital Universitario Virgen del Rocío (HUVR), Consejo Superior de Investigaciones Científicas, Universidad de Sevilla, Spain.,CIBER de Cáncer, Instituto de Salud Carlos III, Madrid, Spain
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89
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Liu CL, Yang PS, Wang TY, Huang SY, Kuo YH, Cheng SP. PGC1α downregulation and glycolytic phenotype in thyroid cancer. J Cancer 2019; 10:3819-3829. [PMID: 31333799 PMCID: PMC6636295 DOI: 10.7150/jca.30018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 05/25/2019] [Indexed: 12/21/2022] Open
Abstract
Increased aerobic glycolysis portends an unfavorable prognosis in thyroid cancer. The metabolic reprogramming likely results from altered mitochondrial activity and may promote cancer progression. Peroxisome proliferator-activated receptor γ coactivator 1α (PGC1α) plays a pivotal role in mitochondrial biogenesis and function. In the present study, we aimed to evaluate the clinicopathological significance of PGC1α expression and the potential effects of PGC1α modulation. Firstly, the expression of PGC1α in thyroid cancer samples was evaluated using western blot analysis and immunohistochemical staining. Compared with normal thyroid tissue, PGC1α expression was downregulated in thyroid cancer. PGC1α-negative papillary cancer was associated with BRAF V600E mutation, large tumor size, extrathyroidal or lymphovascular invasion, lymph node metastasis, and advanced stage. The results were consistent with the analysis of The Cancer Genome Atlas data. PGC1α expression correlated with oxygen consumption in thyroid cancer cells and was inversely related to AKT activity. The biologic relevance of PGC1α was further investigated by gain- and loss-of-function experimental studies. PGC1α overexpression led to augmented oxidative metabolism and accelerated tumor growth, whereas PGC1α knockdown induced a glycolytic phenotype but reduced tumor growth in vivo. In conclusion, PGC1α downregulation is associated with glycolytic metabolism and advanced disease in thyroid cancer. Nonetheless, manipulating PGC1α expression and metabolic phenotype does not necessarily translate into beneficial effects. It suggests that the metabolic phenotype is likely the consequence rather than the cause of disease progression in thyroid cancer.
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Affiliation(s)
- Chien-Liang Liu
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Po-Sheng Yang
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
| | - Tao-Yeuan Wang
- Department of Pathology, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
| | - Shih-Yuan Huang
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Yi-Hue Kuo
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Shih-Ping Cheng
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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90
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Thirupathi A, Chang YZ. Role of AMPK and its molecular intermediates in subjugating cancer survival mechanism. Life Sci 2019; 227:30-38. [DOI: 10.1016/j.lfs.2019.04.039] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 04/15/2019] [Accepted: 04/16/2019] [Indexed: 02/08/2023]
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91
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Mitophagy in Cancer: A Tale of Adaptation. Cells 2019; 8:cells8050493. [PMID: 31121959 PMCID: PMC6562743 DOI: 10.3390/cells8050493] [Citation(s) in RCA: 149] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 02/07/2023] Open
Abstract
:In the past years, we have learnt that tumors co-evolve with their microenvironment, and that the active interaction between cancer cells and stromal cells plays a pivotal role in cancer initiation, progression and treatment response. Among the players involved, the pathways regulating mitochondrial functions have been shown to be crucial for both cancer and stromal cells. This is perhaps not surprising, considering that mitochondria in both cancerous and non-cancerous cells are decisive for vital metabolic and bioenergetic functions and to elicit cell death. The central part played by mitochondria also implies the existence of stringent mitochondrial quality control mechanisms, where a specialized autophagy pathway (mitophagy) ensures the selective removal of damaged or dysfunctional mitochondria. Although the molecular underpinnings of mitophagy regulation in mammalian cells remain incomplete, it is becoming clear that mitophagy pathways are intricately linked to the metabolic rewiring of cancer cells to support the high bioenergetic demand of the tumor. In this review, after a brief introduction of the main mitophagy regulators operating in mammalian cells, we discuss emerging cell autonomous roles of mitochondria quality control in cancer onset and progression. We also discuss the relevance of mitophagy in the cellular crosstalk with the tumor microenvironment and in anti-cancer therapy responses.
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92
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Kopecka J, Gazzano E, Castella B, Salaroglio IC, Mungo E, Massaia M, Riganti C. Mitochondrial metabolism: Inducer or therapeutic target in tumor immune-resistance? Semin Cell Dev Biol 2019; 98:80-89. [PMID: 31100351 DOI: 10.1016/j.semcdb.2019.05.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 02/08/2023]
Abstract
Mitochondria have been considered for a long time only as the principal source of building blocks and energy upon aerobic conditions. Recently they emerged as key players in cell proliferation, invasion and resistance to therapy. The most aggressive tumors are able to evade the immune-surveillance. Alterations in the mitochondria metabolism either in cancer cells or in host immune system cells are involved in such tumor-induced immune-suppression. This review will focus on the main mitochondrial dysfunctions in tumor and immune cell populations determining immune-resistance, and on the therapies that may target mitochondrial metabolism and restore a powerful anti-tumor immune-activity.
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Affiliation(s)
- Joanna Kopecka
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy
| | - Elena Gazzano
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy
| | - Barbara Castella
- Laboratory of Blood Tumor Immunology, Department of Molecular Biotechnology and Health Sciences, University of Torino, Italy
| | - Iris C Salaroglio
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy
| | - Eleonora Mungo
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy
| | - Massimo Massaia
- Laboratory of Blood Tumor Immunology, Department of Molecular Biotechnology and Health Sciences, University of Torino, Italy; Hematology Division, AO S Croce e Carle, Cuneo, Italy; Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Italy
| | - Chiara Riganti
- Department of Oncology, University of Torino, via Santena 5/bis, 10126, Torino, Italy; Interdepartmental Center of Research in Molecular Biotechnology, University of Torino, Italy.
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93
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Beebe-Dimmer JL, Cooney KA. Mitochondrial alterations may underlie race-specific differences in cancer risk and outcome. J Clin Invest 2019; 129:2187-2188. [PMID: 31063989 PMCID: PMC6546466 DOI: 10.1172/jci128707] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
African Americans are at increased risk of cancer and associated mortalities compared with European American populations. Socioeconomic, cultural, and biological factors have been implicated in this discrepancy. In this issue of the JCI, Piyarathna et al. identify a set of genes that are upregulated in a number of tumor types in African American cancer patients as compared with European American patients. These genes were associated with enhanced oxidative phosphorylation and upregulation of transcription factors that promote mitochondrial biogenesis, resulting in greater numbers of mitochondria in tumor samples from African American subjects. Together, these results indicate that mitochondria dysfunction may underlie the increased cancer incidence and poor outcomes observed in African American patients.
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Affiliation(s)
- Jennifer L Beebe-Dimmer
- Barbara Ann Karmanos Cancer Institute, Population Studies and Disparities Research, Wayne State University, Detroit, Michigan, USA
| | - Kathleen A Cooney
- Department of Medicine, Duke Cancer Institute, Duke University, Durham, North Carolina, USA
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94
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Cruz-Bermúdez A, Laza-Briviesca R, Vicente-Blanco RJ, García-Grande A, Coronado MJ, Laine-Menéndez S, Palacios-Zambrano S, Moreno-Villa MR, Ruiz-Valdepeñas AM, Lendinez C, Romero A, Franco F, Calvo V, Alfaro C, Acosta PM, Salas C, Garcia JM, Provencio M. Cisplatin resistance involves a metabolic reprogramming through ROS and PGC-1α in NSCLC which can be overcome by OXPHOS inhibition. Free Radic Biol Med 2019; 135:167-181. [PMID: 30880247 DOI: 10.1016/j.freeradbiomed.2019.03.009] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Platinum-based chemotherapy remains the standard of care for most lung cancer cases. However chemoresistance is often developed during the treatment, limiting clinical utility of this drug. Recently, the ability of tumor cells to adapt their metabolism has been associated to resistance to therapies. In this study, we first described the metabolic reprogramming of Non-Small Cell Lung Cancer (NSCLC) in response to cisplatin treatment. METHODS Cisplatin-resistant versions of the A549, H1299, and H460 cell lines were generated by continuous drug exposure. The long-term metabolic changes, as well as, the early response to cisplatin treatment were analyzed in both, parental and cisplatin-resistant cell lines. In addition, four Patient-derived xenograft models treated with cisplatin along with paired pre- and post-treatment biopsies from patients were studied. Furthermore, metabolic targeting of these changes in cell lines was performed downregulating PGC-1α expression through siRNA or using OXPHOS inhibitors (metformin and rotenone). RESULTS Two out of three cisplatin-resistant cell lines showed a stable increase in mitochondrial function, PGC1-α and mitochondrial mass with reduced glycolisis, that did not affect the cell cycle. This phenomenon was confirmed in vivo. Post-treatment NSCLC tumors showed an increase in mitochondrial mass, PGC-1α, and a decrease in the GAPDH/MT-CO1 ratio. In addition, we demonstrated how a ROS-mediated metabolism reprogramming, involving PGC-1α and increased mitochondrial mass, is induced during short-time cisplatin exposure. Moreover, we tested how cells with increased PGC-1a induced by ZLN005 treatment, showed reduced cisplatin-driven apoptosis. Remarkably, the long-term metabolic changes, as well as the metabolic reprogramming during short-time cisplatin exposure can be exploited as an Achilles' heel of NSCLC cells, as demonstrated by the increased sensitivity to PGC-1α interference or OXPHOS inhibition using metformin or rotenone. CONCLUSION These results describe a new cisplatin resistance mechanism in NSCLC based on a metabolic reprogramming that is therapeutically exploitable through PGC-1α downregulation or OXPHOS inhibitors.
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Affiliation(s)
- Alberto Cruz-Bermúdez
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain.
| | - Raquel Laza-Briviesca
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Ramiro J Vicente-Blanco
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Aránzazu García-Grande
- Flow Cytometry Core Facility, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Maria José Coronado
- Confocal Microscopy Core Facility, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Sara Laine-Menéndez
- Mitochondrial and Neuromuscular Disease Laboratory, Instituto de Investigación Hospital "12 de Octubre" (i+12), Madrid, Spain
| | - Sara Palacios-Zambrano
- Departamento de Bioquimica, Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Facultad de Medicina UAM, Madrid, Spain
| | - M Rocío Moreno-Villa
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Asunción Martin Ruiz-Valdepeñas
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Cristina Lendinez
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Atocha Romero
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Fernando Franco
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Virginia Calvo
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Cristina Alfaro
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Paloma Martin Acosta
- Department of Pathology, Hospital Puerta de Hierro, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Clara Salas
- Department of Pathology, Hospital Puerta de Hierro, Majadahonda, Madrid, Spain
| | - José Miguel Garcia
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Mariano Provencio
- Servicio de Oncología Médica, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain.
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95
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Many ways to resistance: How melanoma cells evade targeted therapies. Biochim Biophys Acta Rev Cancer 2019; 1871:313-322. [DOI: 10.1016/j.bbcan.2019.02.002] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/20/2019] [Accepted: 02/13/2019] [Indexed: 12/25/2022]
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96
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Luo X, Liao C, Quan J, Cheng C, Zhao X, Bode AM, Cao Y. Posttranslational regulation of PGC-1α and its implication in cancer metabolism. Int J Cancer 2019; 145:1475-1483. [PMID: 30848477 PMCID: PMC6767394 DOI: 10.1002/ijc.32253] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 02/01/2019] [Accepted: 03/04/2019] [Indexed: 12/17/2022]
Abstract
Deregulation of cellular metabolism is well established in cancer. The mitochondria are dynamic organelles and act as the center stage for energy metabolism. Central to mitochondrial regulatory network is peroxisome proliferator-activated receptor γ coactivator 1a (PGC-1α), which serves as a master regulator of mitochondrial proliferation and metabolism. The activity and stability of PGC-1α are subject to dynamic and versatile posttranslational modifications including phosphorylation, ubiquitination, methylation and acetylation in response to metabolic stress and other environmental signals. In this review, we describe the structure of PGC-1α. Then, we discuss recent advances in the posttranslational regulatory machinery of PGC-1α, which affects its transcriptional activity, stability and organelle localization. Furthermore, we address the important roles of PGC-1α in tumorigenesis and malignancy. Finally, we also mention the clinical therapeutic potentials of PGC-1α modulators. A better understanding of the elegant function of PGC-1α in cancer progression could provide novel insights into therapeutic interventions through the targeting of PGC-1α signaling.
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Affiliation(s)
- Xiangjian Luo
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China.,Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan 410078, China.,Molecular Imaging Research Center of Central South University, Changsha, Hunan 410078, China
| | - Chaoliang Liao
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China.,Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan 410078, China
| | - Jing Quan
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China.,Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan 410078, China
| | - Can Cheng
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China.,Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan 410078, China
| | - Xu Zhao
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China.,Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan 410078, China
| | - Ann M Bode
- The Hormel Institute, University of Minnesota, Austin, MN 55912, USA
| | - Ya Cao
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China.,Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China.,Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan 410078, China.,Molecular Imaging Research Center of Central South University, Changsha, Hunan 410078, China
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97
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De Vitto H, Bode AM, Dong Z. The PGC-1/ERR network and its role in precision oncology. NPJ Precis Oncol 2019; 3:9. [PMID: 30911677 PMCID: PMC6428848 DOI: 10.1038/s41698-019-0081-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 01/18/2019] [Indexed: 12/13/2022] Open
Abstract
Transcriptional regulators include a superfamily of nuclear proteins referred to as co-activators and co-repressors, both of which are involved in controlling the functions of several nuclear receptors (NRs). The Nuclear Receptor Signaling Atlas (NURSA) has cataloged the composition of NRs, co-regulators, and ligands present in the human cell and their effort has been identified in more than 600 potential molecules. Given the importance of co-regulators in steroid, retinoid, and thyroid hormone signaling networks, hypothesizing that NRs/co-regulators are implicated in a wide range of pathologies are tempting. The co-activators known as peroxisome proliferator-activated receptor gamma co-activator 1 (PGC-1) and their key nuclear partner, the estrogen-related receptor (ERR), are emerging as pivotal transcriptional signatures that regulate an extremely broad repertoire of mitochondrial and metabolic genes, making them very attractive drug targets for cancer. Several studies have provided an increased understanding of the functional and structural biology of nuclear complexes. However, more comprehensive work is needed to create different avenues to explore the therapeutic potential of NRs/co-activators in precision oncology. Here, we discuss the emerging data associated with the structure, function, and molecular biology of the PGC-1/ERR network and address how the concepts evolving from these studies have deepened our understanding of how to develop more effective treatment strategies. We present an overview that underscores new biological insights into PGC-1/ERR to improve cancer outcomes against therapeutic resistance. Finally, we discuss the importance of exploiting new technologies such as single-particle cryo-electron microscopy (cryo-EM) to develop a high-resolution biological structure of PGC-1/ERR, focusing on novel drug discovery for precision oncology.
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Affiliation(s)
- Humberto De Vitto
- The Hormel Institute, University of Minnesota, 801 16th Avenue, Austin, NE 55912 USA
| | - Ann M Bode
- The Hormel Institute, University of Minnesota, 801 16th Avenue, Austin, NE 55912 USA
| | - Zigang Dong
- The Hormel Institute, University of Minnesota, 801 16th Avenue, Austin, NE 55912 USA
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98
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Xia M, Zhang Y, Jin K, Lu Z, Zeng Z, Xiong W. Communication between mitochondria and other organelles: a brand-new perspective on mitochondria in cancer. Cell Biosci 2019; 9:27. [PMID: 30931098 PMCID: PMC6425566 DOI: 10.1186/s13578-019-0289-8] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 03/09/2019] [Indexed: 12/24/2022] Open
Abstract
Mitochondria are energy factories of cells and are important pivots for intracellular interactions with other organelles. They interact with the endoplasmic reticulum, peroxisomes, and nucleus through signal transduction, vesicle transport, and membrane contact sites to regulate energy metabolism, biosynthesis, immune response, and cell turnover. However, when the communication between organelles fails and the mitochondria are dysfunctional, it may induce tumorigenesis. In this review, we elaborate on how mitochondria interact with the endoplasmic reticulum, peroxisomes, and cell nuclei, as well as the relation between organelle communication and tumor development .
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Affiliation(s)
- MengFang Xia
- 1NHC Key Laboratory of Carcinogenesis, Xiangya Hospital, Central South University, Changsha, Hunan China.,2The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan China.,3Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan China
| | - YaZhuo Zhang
- 1NHC Key Laboratory of Carcinogenesis, Xiangya Hospital, Central South University, Changsha, Hunan China.,2The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan China.,3Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan China
| | - Ke Jin
- 2The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan China
| | - ZiTong Lu
- 2The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan China
| | - Zhaoyang Zeng
- 1NHC Key Laboratory of Carcinogenesis, Xiangya Hospital, Central South University, Changsha, Hunan China.,2The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan China.,3Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan China
| | - Wei Xiong
- 1NHC Key Laboratory of Carcinogenesis, Xiangya Hospital, Central South University, Changsha, Hunan China.,2The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan China.,3Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan China
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99
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Garnier D, Renoult O, Alves-Guerra MC, Paris F, Pecqueur C. Glioblastoma Stem- Like Cells, Metabolic Strategy to Kill a Challenging Target. Front Oncol 2019; 9:118. [PMID: 30895167 PMCID: PMC6415584 DOI: 10.3389/fonc.2019.00118] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 02/11/2019] [Indexed: 01/25/2023] Open
Abstract
Over the years, substantial evidence has definitively confirmed the existence of cancer stem-like cells within tumors such as Glioblastoma (GBM). The importance of Glioblastoma stem-like cells (GSCs) in tumor progression and relapse clearly highlights that cancer eradication requires killing of GSCs that are intrinsically resistant to conventional therapies as well as eradication of the non-GSCs cells since GSCs emergence relies on a dynamic process. The past decade of research highlights that metabolism is a significant player in tumor progression and actually might orchestrate it. The growing interest in cancer metabolism reprogrammation can lead to innovative approaches exploiting metabolic vulnerabilities of cancer cells. These approaches are challenging since they require overcoming the compensatory and adaptive responses of GSCs. In this review, we will summarize the current knowledge on GSCs with a particular focus on their metabolic complexity. We will also discuss potential approaches targeting GSCs metabolism to potentially improve clinical care.
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Affiliation(s)
| | | | | | - François Paris
- CRCINA, INSERM CNRS, Université de Nantes, Nantes, France.,Institut de Cancérologie de l'Ouest - René Gauducheau, St Herblain, France
| | - Claire Pecqueur
- CRCINA, INSERM CNRS, Université de Nantes, Nantes, France.,LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France
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100
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Wang P, Guo X, Zong W, Li Y, Liu G, Lv Y, Zhu Y, He S. PGC-1α/SNAI1 axis regulates tumor growth and metastasis by targeting miR-128b in gastric cancer. J Cell Physiol 2019; 234:17232-17241. [PMID: 30684287 DOI: 10.1002/jcp.28193] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/03/2019] [Accepted: 01/10/2019] [Indexed: 12/31/2022]
Abstract
Peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) is a transcriptional coactivator that has been characterized as master regulators of mitochondrial biogenesis. It has been reported that aberrant regulation of PGC-1α is involved in a variety of human cancers. However, whether PGC-1α is involved in the regulation of tumor growth and metastasis in gastric cancer (GC) remains unknown. In the present study, we found that the expression of PGC-1α was upregulated in GC tissues and GC cell lines. Inhibition of PGC-1α inhibited cell viability, migration, and invasion, and promoted cell apoptosis of GC cells. Furthermore, inhibition of PGC-1α downregulated the SNAI1 expression, whereas upregulated microRNA (miR)-128b expression. The expression of SNAI1 was upregulated and the expression of miR-128b was downregulated in GC tissues. We further found that there was a positive correlation between PGC-1α and SNAI1 expression, and a negative correlation between PGC-1α and miR-128b expression or between SNAI1 and miR-128b expression in GC tissues. Moreover, PGC-1α inhibition-induced increased miR-128b expression, and PGC-1α overexpression-induced decreased miR-128b expression were both markedly suppressed by SNAI1 overexpression. In addition, SNAI1 overexpression or miR-128b inhibition partly reversed the effects of PGC-1α inhibition in GC cells. Furthermore, inhibition of PGC-1α suppressed the tumor growth in a nude mouse model, which may be related with the dysregulation of SNAI1 and miR-128b. In conclusion, these data indicate that the PGC-1α/SNAI1/miR-128b axis plays a vital role in GC via regulating cell viability, migration, invasion, and apoptosis.
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Affiliation(s)
- Ping Wang
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Xueyan Guo
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Wei Zong
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Yulong Li
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Guisheng Liu
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Yifei Lv
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Yunqing Zhu
- Department of Gastroenterology, The Third Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Shuixiang He
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, China
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