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Gong C, Yang M, Long H, Liu X, Xu Q, Qiao L, Dong H, Liu Y, Li S. IL-6-Driven Autocrine Lactate Promotes Immune Escape of Uveal Melanoma. Invest Ophthalmol Vis Sci 2024; 65:37. [PMID: 38551584 PMCID: PMC10981435 DOI: 10.1167/iovs.65.3.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 03/06/2024] [Indexed: 04/01/2024] Open
Abstract
Purpose Early metastasis, in which immune escape plays a crucial role, is the leading cause of death in patients with uveal melanoma (UM); however, the molecular mechanism underlying UM immune escape remains unclear, which greatly limits the clinical application of immunotherapy for metastatic UM. Methods Transcriptome profiles were revealed by RNA-seq analysis. TALL-104 and NK-92MI-mediated cell killing assays were used to examine the immune resistance of UM cells. The glycolysis rate was measured by extracellular acidification analysis. Protein stability was evaluated by CHX-chase assay. Immunofluorescence histochemistry was performed to detect protein levels in clinical UM specimens. Results Continuous exposure to IL-6 induced the expression of both PD-L1 and HLA-E in UM cells, which promoted UM immune escape. Transcriptome analysis revealed that the expression of most metabolic enzymes in the glycolysis pathway, especially the rate-limiting enzymes, PFKP and PKM, was upregulated, whereas enzymes involved in the acetyl-CoA synthesis pathway were downregulated after exposure to IL-6. Blocking the glycolytic pathway and lactate production by knocking down PKM and LDHA decreased PD-L1 and HLA-E protein, but not mRNA, levels in UM cells treated with IL-6. Notably, lactate secreted by IL-6-treated UM cells was crucial in influencing PD-L1 and HLA-E stability via the GPR81-cAMP-PKA signaling pathway. Conclusions Our data reveal a novel mechanism by which UM cells acquire an immune-escape phenotype by metabolic reprogramming and reinforce the importance of the link between inflammation and immune escape.
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Affiliation(s)
- Chaoju Gong
- Xuzhou Key Laboratory of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
| | - Meiling Yang
- Xuzhou Key Laboratory of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
| | - Huirong Long
- Xuzhou Key Laboratory of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
| | - Xia Liu
- Department of Pathology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou, China
| | - Qing Xu
- Xuzhou Key Laboratory of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
| | - Lei Qiao
- Xuzhou Key Laboratory of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
| | - Haibei Dong
- Cancer Center, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou, China
| | - Yalu Liu
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
| | - Suyan Li
- Xuzhou Key Laboratory of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Eye Institute of Xuzhou, Xuzhou, China
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Kharouf N, Flanagan TW, Alamodi AA, Al Hmada Y, Hassan SY, Shalaby H, Santourlidis S, Hassan SL, Haikel Y, Megahed M, Brodell RT, Hassan M. CD133-Dependent Activation of Phosphoinositide 3-Kinase /AKT/Mammalian Target of Rapamycin Signaling in Melanoma Progression and Drug Resistance. Cells 2024; 13:240. [PMID: 38334632 PMCID: PMC10854812 DOI: 10.3390/cells13030240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/10/2024] Open
Abstract
Melanoma frequently harbors genetic alterations in key molecules leading to the aberrant activation of PI3K and its downstream pathways. Although the role of PI3K/AKT/mTOR in melanoma progression and drug resistance is well documented, targeting the PI3K/AKT/mTOR pathway showed less efficiency in clinical trials than might have been expected, since the suppression of the PI3K/mTOR signaling pathway-induced feedback loops is mostly associated with the activation of compensatory pathways such as MAPK/MEK/ERK. Consequently, the development of intrinsic and acquired resistance can occur. As a solid tumor, melanoma is notorious for its heterogeneity. This can be expressed in the form of genetically divergent subpopulations including a small fraction of cancer stem-like cells (CSCs) and non-cancer stem cells (non-CSCs) that make the most of the tumor mass. Like other CSCs, melanoma stem-like cells (MSCs) are characterized by their unique cell surface proteins/stemness markers and aberrant signaling pathways. In addition to its function as a robust marker for stemness properties, CD133 is crucial for the maintenance of stemness properties and drug resistance. Herein, the role of CD133-dependent activation of PI3K/mTOR in the regulation of melanoma progression, drug resistance, and recurrence is reviewed.
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Affiliation(s)
- Naji Kharouf
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
| | - Thomas W. Flanagan
- Department of Pharmacology and Experimental Therapeutics, LSU Health Sciences Center, New Orleans, LA 70112, USA;
| | | | - Youssef Al Hmada
- Department of Pathology, University of Mississippi Medical Center, Jackson, MS 39216, USA; (Y.A.H.); (R.T.B.)
| | - Sofie-Yasmin Hassan
- Department of Pharmacy, Faculty of Science, Heinrich-Heine University Duesseldorf, 40225 Dusseldorf, Germany;
| | - Hosam Shalaby
- Department of Urology, School of Medicine, Tulane University, New Orleans, LA 70112, USA;
| | - Simeon Santourlidis
- Epigenetics Core Laboratory, Institute of Transplantation Diagnostics and Cell Therapeutics, Medical Faculty, Heinrich-Heine University Duesseldorf, 40225 Duesseldorf, Germany;
| | - Sarah-Lilly Hassan
- Department of Chemistry, Faculty of Science, Heinrich-Heine University Duesseldorf, 40225 Dusseldorf, Germany;
| | - Youssef Haikel
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Mossad Megahed
- Clinic of Dermatology, University Hospital of Aachen, 52074 Aachen, Germany;
| | - Robert T. Brodell
- Department of Pathology, University of Mississippi Medical Center, Jackson, MS 39216, USA; (Y.A.H.); (R.T.B.)
| | - Mohamed Hassan
- Institut National de la Santé et de la Recherche Médicale, University of Strasbourg, 67000 Strasbourg, France; (N.K.); (Y.H.)
- Department of Operative Dentistry and Endodontics, Dental Faculty, University of Strasbourg, 67000 Strasbourg, France
- Research Laboratory of Surgery-Oncology, Department of Surgery, Tulane University School of Medicine, New Orleans, LA 70112, USA
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Castillo SP, Rebolledo RA, Arim M, Hochberg ME, Marquet PA. Metastatic cells exploit their stoichiometric niche in the network of cancer ecosystems. SCIENCE ADVANCES 2023; 9:eadi7902. [PMID: 38091399 PMCID: PMC10848726 DOI: 10.1126/sciadv.adi7902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 11/10/2023] [Indexed: 12/18/2023]
Abstract
Metastasis is a nonrandom process with varying degrees of organotropism-specific source-acceptor seeding. Understanding how patterns between source and acceptor tumors emerge remains a challenge in oncology. We hypothesize that organotropism results from the macronutrient niche of cells in source and acceptor organs. To test this, we constructed and analyzed a metastatic network based on 9303 records across 28 tissue types. We found that the topology of the network is nested and modular with scale-free degree distributions, reflecting organotropism along a specificity/generality continuum. The variation in topology is significantly explained by the matching of metastatic cells to their stoichiometric niche. Specifically, successful metastases are associated with higher phosphorus content in the acceptor compared to the source organ, due to metabolic constraints in proliferation crucial to the invasion of new tissues. We conclude that metastases are codetermined by processes at source and acceptor organs, where phosphorus content is a limiting factor orchestrating tumor ecology.
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Affiliation(s)
- Simon P. Castillo
- Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, C.P. 8331150, Santiago, Chile
| | - Rolando A. Rebolledo
- Instituto de Ingeniería Biológica y Médica (IIBM), Pontificia Universidad Católica de Chile, Santiago, Chile
- Hepato-Pancreato-Biliary Surgery Unit, Surgery Service, Complejo Asistencial Dr. Sótero Del Río, Santiago, Chile
| | - Matías Arim
- Departamento de Ecologia y Gestion Ambiental, Centro Universitario Regional Este (CURE), Universidad de la República, Maldonado, Uruguay
| | - Michael E. Hochberg
- ISEM, University of Montpellier, Montpellier, France
- Santa Fe Institute, Santa Fe, NM 87501, USA
| | - Pablo A. Marquet
- Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, C.P. 8331150, Santiago, Chile
- Santa Fe Institute, Santa Fe, NM 87501, USA
- Centro de Modelamiento Matemático, Universidad de Chile, International Research Laboratory 2807, CNRS, C.P. 8370456, Santiago, Chile
- Instituto de Sistemas Complejos de Valparaíso (ISCV), Valparaíso, Chile
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Duan SL, Wu M, Zhang ZJ, Chang S. The potential role of reprogrammed glucose metabolism: an emerging actionable codependent target in thyroid cancer. J Transl Med 2023; 21:735. [PMID: 37853445 PMCID: PMC10585934 DOI: 10.1186/s12967-023-04617-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023] Open
Abstract
Although the incidence of thyroid cancer is increasing year by year, most patients, especially those with differentiated thyroid cancer, can usually be cured with surgery, radioactive iodine, and thyroid-stimulating hormone suppression. However, treatment options for patients with poorly differentiated thyroid cancers or radioiodine-refractory thyroid cancer have historically been limited. Altered energy metabolism is one of the hallmarks of cancer and a well-documented feature in thyroid cancer. In a hypoxic environment with extreme nutrient deficiencies resulting from uncontrolled growth, thyroid cancer cells utilize "metabolic reprogramming" to satisfy their energy demand and support malignant behaviors such as metastasis. This review summarizes past and recent advances in our understanding of the reprogramming of glucose metabolism in thyroid cancer cells, which we expect will yield new therapeutic approaches for patients with special pathological types of thyroid cancer by targeting reprogrammed glucose metabolism.
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Affiliation(s)
- Sai-Li Duan
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Min Wu
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Zhe-Jia Zhang
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, 410008, Hunan, People's Republic of China.
| | - Shi Chang
- Department of General Surgery, Xiangya Hospital Central South University, Changsha, 410008, Hunan, People's Republic of China.
- Xiangya Hospital, National Clinical Research Center for Geriatric Disorders, Changsha, 410008, Hunan, People's Republic of China.
- Clinical Research Center for Thyroid Disease in Hunan Province, Changsha, 410008, Hunan, People's Republic of China.
- Hunan Provincial Engineering Research Center for Thyroid and Related Diseases Treatment Technology, Changsha, 410008, Hunan, People's Republic of China.
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5
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Dialog beyond the Grave: Necrosis in the Tumor Microenvironment and Its Contribution to Tumor Growth. Int J Mol Sci 2023; 24:ijms24065278. [PMID: 36982351 PMCID: PMC10049335 DOI: 10.3390/ijms24065278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/27/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous molecules released from the necrotic cells dying after exposure to various stressors. After binding to their receptors, they can stimulate various signaling pathways in target cells. DAMPs are especially abundant in the microenvironment of malignant tumors and are suspected to influence the behavior of malignant and stromal cells in multiple ways often resulting in promotion of cell proliferation, migration, invasion, and metastasis, as well as increased immune evasion. This review will start with a reminder of the main features of cell necrosis, which will be compared to other forms of cell death. Then we will summarize the various methods used to assess tumor necrosis in clinical practice including medical imaging, histopathological examination, and/or biological assays. We will also consider the importance of necrosis as a prognostic factor. Then the focus will be on the DAMPs and their role in the tumor microenvironment (TME). We will address not only their interactions with the malignant cells, frequently leading to cancer progression, but also with the immune cells and their contribution to immunosuppression. Finally, we will emphasize the role of DAMPs released by necrotic cells in the activation of Toll-like receptors (TLRs) and the possible contributions of TLRs to tumor development. This last point is very important for the future of cancer therapeutics since there are attempts to use TLR artificial ligands for cancer therapeutics.
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Santi MD, Zhang M, Salvo E, Asam K, Viet C, Xie T, Amit M, Aouizerat B, Ye Y. Schwann Cells Induce Phenotypic Changes in Oral Cancer Cells. Adv Biol (Weinh) 2022; 6:e2200187. [PMID: 35925609 PMCID: PMC9474679 DOI: 10.1002/adbi.202200187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/18/2022] [Indexed: 01/28/2023]
Abstract
Head and neck cancer (HNC) is the seventh most common cancer worldwide, the majority being oral squamous cell carcinoma. Despite advances in cancer diagnosis and treatment, the survival rate of patients with HNC remains stagnant. The cancer-nerve interaction has been recognized as an important driver of cancer progression. Schwann cells, a type of peripheral glia, have been implicated in promoting cancer cell growth, migration, dispersion, and invasion into the nerve in many cancers. Here, it is demonstrated that the presence of Schwann cells makes oral cancer cells more aggressive by promoting their proliferation, extracellular matrix breakdown, and altering cell metabolism. Furthermore, oral cancer cells became larger, more circular, with more projections and nuclei following co-culturing with Schwann cells. RNA-sequencing analysis in oral cancer cells following exposure to Schwann cells shows corresponding changes in genes involved in the hallmarks of cancer and cell metabolism; the enriched KEGG pathways are spliceosome, RNA transport, cell cycle, axon guidance, signaling pathways regulating pluripotency of stem cells, cAMP signaling, WNT signaling, proteoglycans in cancer and PI3K-Akt signaling. Taken together, these results suggest a significant role for Schwann cells in facilitating oral cancer progression, highlighting their potential as a target to treat oral cancer progression.
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Affiliation(s)
- Maria Daniela Santi
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Morgan Zhang
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Elizabeth Salvo
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Kesava Asam
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Chi Viet
- Loma Linda University School of Dentistry, Loma Linda, CA92350
| | - Tongxin Xie
- Head & Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX77030
| | - Moran Amit
- Head & Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX77030
| | - Bradley Aouizerat
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Yi Ye
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
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Gu L, Ma G, Li C, Lin J, Zhao G. New insights into the prognosis of intraocular malignancy: Interventions for association mechanisms between cancer and diabetes. Front Oncol 2022; 12:958170. [PMID: 36003786 PMCID: PMC9393514 DOI: 10.3389/fonc.2022.958170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/12/2022] [Indexed: 11/19/2022] Open
Abstract
The intraocular malignancies, which mostly originate from the retina and uvea, exhibit a high incidence of blindness and even death. Uveal melanoma (UM) and retinoblastoma (RB) are the most common intraocular malignancies in adults and children, respectively. The high risks of distant metastases lead to an extremely poor prognosis. Nowadays, various epidemiological studies have demonstrated that diabetes is associated with the high incidence and mortality of cancers, such as liver cancer, pancreatic cancer, and bladder cancer. However, the mechanisms and interventions associated with diabetes and intraocular malignancies have not been reviewed. In this review, we have summarized the associated mechanisms between diabetes and intraocular malignancy. Diabetes mellitus is a chronic metabolic disease characterized by prolonged periods of hyperglycemia. Recent studies have reported that the abnormal glucose metabolism, insulin resistance, and the activation of the IGF/insulin-like growth factor-1 receptor (IGF-1R) signaling axis in diabetes contribute to the genesis, growth, proliferation, and metastases of intraocular malignancy. In addition, diabetic patients are more prone to suffer severe complications and poor prognosis after radiotherapy for intraocular malignancy. Based on the common pathogenesis shared by diabetes and intraocular malignancy, they may be related to interventions and treatments. Therefore, interventions targeting the abnormal glucose metabolism, insulin resistance, and IGF-1/IGF-1R signaling axis show therapeutic potentials to treat intraocular malignancy.
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Affiliation(s)
- Lingwen Gu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Guofeng Ma
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Cui Li
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jing Lin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Guiqiu Zhao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Guiqiu Zhao,
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Pillai M, Rajaram G, Thakur P, Agarwal N, Muralidharan S, Ray A, Barbhaya D, Somarelli JA, Jolly MK. Mapping phenotypic heterogeneity in melanoma onto the epithelial-hybrid-mesenchymal axis. Front Oncol 2022; 12:913803. [PMID: 36003764 PMCID: PMC9395132 DOI: 10.3389/fonc.2022.913803] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/11/2022] [Indexed: 11/25/2022] Open
Abstract
Epithelial to mesenchymal transition (EMT) is a well-studied hallmark of epithelial-like cancers that is characterized by loss of epithelial markers and gain of mesenchymal markers. Melanoma, which is derived from melanocytes of the skin, also undergo phenotypic plasticity toward mesenchymal-like phenotypes under the influence of various micro-environmental cues. Our study connects EMT to the phenomenon of de-differentiation (i.e., transition from proliferative to more invasive phenotypes) observed in melanoma cells during drug treatment. By analyzing 78 publicly available transcriptomic melanoma datasets, we found that de-differentiation in melanoma is accompanied by upregulation of mesenchymal genes, but not necessarily a concomitant loss of an epithelial program, suggesting a more “one-dimensional” EMT that leads to a hybrid epithelial/mesenchymal phenotype. Samples lying in the hybrid epithelial/mesenchymal phenotype also correspond to the intermediate phenotypes in melanoma along the proliferative-invasive axis - neural crest and transitory ones. As melanoma cells progress along the invasive axis, the mesenchymal signature does not increase monotonically. Instead, we observe a peak in mesenchymal scores followed by a decline, as cells further de-differentiate. This biphasic response recapitulates the dynamics of melanocyte development, suggesting close interactions among genes controlling differentiation and mesenchymal programs in melanocytes. Similar trends were noted for metabolic changes often associated with EMT in carcinomas in which progression along mesenchymal axis correlates with the downregulation of oxidative phosphorylation, while largely maintaining glycolytic capacity. Overall, these results provide an explanation for how EMT and de-differentiation axes overlap with respect to their transcriptional and metabolic programs in melanoma.
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Affiliation(s)
- Maalavika Pillai
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
- Undergraduate Programme, Indian Institute of Science, Bangalore, India
| | - Gouri Rajaram
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, India
| | - Pradipti Thakur
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, India
| | - Nilay Agarwal
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
- Undergraduate Programme, Indian Institute of Science, Bangalore, India
| | - Srinath Muralidharan
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
| | - Ankita Ray
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, India
| | - Dev Barbhaya
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology, Kanpur, India
| | | | - Mohit Kumar Jolly
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
- *Correspondence: Mohit Kumar Jolly,
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Guo Y, Zhou G, Ma Q, Zhang L, Chen J. Bmi-1 directly upregulates glucose transporter 1 in human gastric adenocarcinoma. Open Life Sci 2022; 17:261-271. [PMID: 35415241 PMCID: PMC8951214 DOI: 10.1515/biol-2022-0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/22/2021] [Accepted: 01/03/2022] [Indexed: 12/24/2022] Open
Abstract
This study aimed to investigate whether and how Moloney murine leukemia virus integration site 1 (Bmi-1) plays a role in the regulation of glucose transporter 1 (GLUT1) in gastric adenocarcinoma (GAC). GAC and matched noncancerous tissues were obtained from GAC patients who underwent surgical treatment at the China-Japan Union Hospital, Jilin University (Changchun, Jilin, China). The human GAC cell line AGS and the gastric epithelial cell line GES-1 were used for in vitro studies. BALB/c nude mice were used for in vivo studies. The Bmi-1 and GLUT1 protein levels were significantly greater in human tissues from GAC patients and AGS cells in comparison with controls. Silencing of Bmi-1 resulted in significant decrease in glucose uptake, lactate levels, and GLUT1 expression. In vivo18F-deoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) imaging studies indicated that the nude mice bearing xenografts of AGS cells treated with Bmi-1-specific small interfering RNA (siRNA) had a significantly lower maximum standardized uptake value (SUVmax) in comparison with the control mice. Thus, Bmi-1 directly upregulates GLUT1 gene expression, through which it is involved in enhancing glucose uptake in GAC. The results also provide scientific evidence for 18F-FDG PET/CT imaging to evaluate Bmi-1 and glucose uptake in GAC.
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Affiliation(s)
- Ying Guo
- Department of Nephrology, China-Japan Union Hospital, Jilin University, Changchun , Jilin 130033 , China
| | - Guangyu Zhou
- Department of Nephrology, China-Japan Union Hospital, Jilin University, Changchun , Jilin 130033 , China
| | - Qingjie Ma
- Department of Nuclear Medicine, China-Japan Union Hospital, Jilin University , 126 Xiantai St., Changchun , Jilin 130033 , China
| | - Li Zhang
- Department of Neurology, China-Japan Union Hospital, Jilin University , 126 Xiantai St., Changchun , Jilin 130033 , China
| | - Jiwei Chen
- Department of Nephrology, China-Japan Union Hospital, Jilin University, Changchun , Jilin 130033 , China
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Zhang H, Chen Z, Zhang A, Gupte AA, Hamilton DJ. The Role of Calcium Signaling in Melanoma. Int J Mol Sci 2022; 23:ijms23031010. [PMID: 35162934 PMCID: PMC8835635 DOI: 10.3390/ijms23031010] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 02/04/2023] Open
Abstract
Calcium signaling plays important roles in physiological and pathological conditions, including cutaneous melanoma, the most lethal type of skin cancer. Intracellular calcium concentration ([Ca2+]i), cell membrane calcium channels, calcium related proteins (S100 family, E-cadherin, and calpain), and Wnt/Ca2+ pathways are related to melanogenesis and melanoma tumorigenesis and progression. Calcium signaling influences the melanoma microenvironment, including immune cells, extracellular matrix (ECM), the vascular network, and chemical and physical surroundings. Other ionic channels, such as sodium and potassium channels, are engaged in calcium-mediated pathways in melanoma. Calcium signaling serves as a promising pharmacological target in melanoma treatment, and its dysregulation might serve as a marker for melanoma prediction. We documented calcium-dependent endoplasmic reticulum (ER) stress and mitochondria dysfunction, by targeting calcium channels and influencing [Ca2+]i and calcium homeostasis, and attenuated drug resistance in melanoma management.
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Affiliation(s)
- Haoran Zhang
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Xiangya Hospital, Central South University, Changsha 410008, China;
| | - Zhe Chen
- Xiangya Hospital, Central South University, Changsha 410008, China;
| | - Aijun Zhang
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Department of Medicine, Houston Methodist, Weill Cornell Medicine Affiliate, Houston, TX 77030, USA
| | - Anisha A. Gupte
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Department of Medicine, Houston Methodist, Weill Cornell Medicine Affiliate, Houston, TX 77030, USA
| | - Dale J. Hamilton
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Department of Medicine, Houston Methodist, Weill Cornell Medicine Affiliate, Houston, TX 77030, USA
- Correspondence: ; Tel.: +1-(713)-441-4483
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Zhu Y, Liu Z, Lv D, Cheng X, Wang J, Liu B, Han Z, Wang Y, Liu R, Gao Y. Identification of PYGL as a key prognostic gene of glioma by integrated bioinformatics analysis. Future Oncol 2022; 18:579-596. [PMID: 35037470 DOI: 10.2217/fon-2021-0759] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Aim: PYGL has been reported to have carcinogenic effects in a variety of tumors. This study is the first to reveal the relationship between PYGL and the prognosis of glioma. Materials & methods: Analyzing the Chinese Glioma Genome Atlas database, the authors revealed the expression status and prognostic value of PYGL in gliomas and used RT-qPCR to verify PYGL expression again. Subsequently, they used Gene Set Enrichment Analysis to explore the biological pathways that PYGL may participate in. The authors also used the tumor immune estimation resource database to explore the relationship between PYGL and tumor immune cells. Results: PYGL is involved in the malignant progression of glioma. Conclusions: PYGL can be used as a new biomarker and molecular target for evaluating the prognosis and immunotherapy of glioma.
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Affiliation(s)
- Yongjie Zhu
- Henan University People's Hospital, Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan 450003, China
| | - Zhendong Liu
- Department Of Orthopaedics, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou, Henan 450003, China
| | - Dongbo Lv
- Department Of Orthopaedics, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou, Henan 450003, China
| | - Xingbo Cheng
- Department of Neurosurgery of the First affiliate Hospital of Harbin Medical University, Harbin 150000, China
| | - Jialin Wang
- Zhengzhou University People's Hospital, Henan Provincial People's Hospital, No. 7 Weiwu Road, Jinshui District, Zhengzhou, Henan 450003, China
| | - Binfeng Liu
- Zhengzhou University People's Hospital, Henan Provincial People's Hospital, No. 7 Weiwu Road, Jinshui District, Zhengzhou, Henan 450003, China
| | - Zhibin Han
- Department of Neurosurgery of the First affiliate Hospital of Harbin Medical University, Harbin 150000, China
| | - Yanbiao Wang
- Zhengzhou University People's Hospital, Henan Provincial People's Hospital, No. 7 Weiwu Road, Jinshui District, Zhengzhou, Henan 450003, China
| | - Runze Liu
- Henan University People's Hospital, Henan Provincial People's Hospital, No.7 Weiwu Road, Jinshui District, Zhengzhou, Henan 450003, China
| | - Yanzheng Gao
- Department of Surgery of Spine & Spinal Cord, Henan Provincial People's Hospital, Henan International Joint Laboratory of Intelligentized Orthopedics Innovation & Transformation, Henan Key Laboratory for intelligent precision orthopedics, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Henan, Zhengzhou 450003, China
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12
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Rocha-Brito KJP, Clerici SP, Cordeiro HG, Scotá Ferreira AP, Barreto Fonseca EM, Gonçalves PR, Abrantes JLF, Milani R, Massaro RR, Maria-Engler SS, Ferreira-Halder CV. Quercetin increases mitochondrial proteins (VDAC and SDH) and downmodulates AXL and PIM-1 tyrosine kinase receptors in NRAS melanoma cells. Biol Chem 2021; 403:293-303. [PMID: 34854272 DOI: 10.1515/hsz-2021-0261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 11/18/2021] [Indexed: 11/15/2022]
Abstract
Melanoma is a type of skin cancer with low survival rates after it has metastasized. In order to find molecular differences that could represent targets of quercetin in anti-melanoma activity, we have chosen SKMEL-103 and SKMEL-28 melanoma cells and human melanocytes as models. Firstly, we observed that quercetin was able in reducing SKMEL-103 cell viability, but not in SKMEL-28. Besides that, quercetin treatment caused inhibition of AXL in both cell lines, but upregulation of PIM-1 in SKMEL-28 and downregulation in SKMEL-103. Moreover, HIF-1 alpha expression decreased in both cell lines. Interestingly, quercetin was more effective against SKMEL-103 than kinases inhibitors, such as Imatinib, Temsirolimus, U0126, and Erlotinib. Interestingly, we observed that while the levels of succinate dehydrogenase and voltage-dependent anion channel increased in SKMEL-103, both proteins were downregulated in SKMEL-28 after quercetin's treatment. Furthermore, AKT, AXL, PIM-1, ABL kinases were much more active and chaperones HSP90, HSP70 and GAPDH were highly expressed in SKMEL-103 cells in comparison with melanocytes. Our findings indicate, for the first time, that the efficacy of quercetin to kill melanoma cells depends on its ability in inhibiting tyrosine kinase and upregulating mitochondrial proteins, at least when SKMEL-103 and SKMEL-28 cells response were compared.
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Affiliation(s)
- Karin J P Rocha-Brito
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil.,Department of Medicine, Health Sciences Center, University Center of Maringá, Maringá, Paraná, Brazil
| | - Stefano Piatto Clerici
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil
| | - Helon Guimarães Cordeiro
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil
| | - Amanda Petrina Scotá Ferreira
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil
| | - Emanuella Maria Barreto Fonseca
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil.,Federal Institute of Education, Science and Technology of São Paulo. São Roque, São Paulo, Brazil
| | - Paola R Gonçalves
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil.,Department of Health Sciences, Centro Universitário Norte do Espírito Santo, Universidade Federal do Espírito Santo, São Mateus, Espírito Santo, Brazil
| | - Júlia Laura F Abrantes
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil
| | - Renato Milani
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil
| | - Renato Ramos Massaro
- Department of Clinical Chemistry and Toxicology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Silvya Stuchi Maria-Engler
- Department of Clinical Chemistry and Toxicology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Carmen V Ferreira-Halder
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas 13083-862, SP, Brazil
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13
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Svendsen HA, Meling TR, Nygaard V, Waagene S, Russnes H, Juell S, Rogne SG, Pahnke J, Helseth E, Fodstad Ø, Mælandsmo GM. Novel human melanoma brain metastasis models in athymic nude fox1 nu mice: Site-specific metastasis patterns reflecting their clinical origin. Cancer Med 2021; 10:8604-8613. [PMID: 34612023 PMCID: PMC8633237 DOI: 10.1002/cam4.4334] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 08/30/2021] [Accepted: 09/01/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Malignant melanomas frequently metastasize to the brain, but metastases in the cerebellum are underrepresented compared with metastases in the cerebrum. METHODS We established animal models by injecting intracardially in athymic nude fox1nu mice two human melanoma cell lines, originating from a cerebral metastasis (HM19) and a cerebellar metastasis (HM86). RESULTS Using magnetic resonance imaging (MRI), metastases were first detected after a mean of 34.5 days. Mean survival time was 59.6 days for the mice in the HM86 group and significantly shorter (43.7 days) for HM19-injected animals (p < 0.001). In the HM86 group, the first detectable metastasis was located in the cerebellum in 15/55 (29%) mice compared with none in the HM19 group (p < 0.001). At sacrifice, cerebellar metastases were found in 34/55 (63%) HM86-injected mice compared with 1/53 (2%) in the HM19-injected (p < 0.001) mice. At that time, all mice in both groups had detectable metastases in the cerebrum. Comparing macroscopic and histologic appearances of the brain metastases with their clinical counterparts, the cell line-based tumors had kept their original morphologic characteristics. CONCLUSIONS The present work demonstrates that human brain-metastatic melanoma cells injected intracardially in mice had retained inherent characteristics also in reproducing interaction with subtle microenvironmental brain tissue compartment-specific features. The models offer new possibilities for investigating tumor- and host-associated factors involved in determining tissue specificity of brain metastasis.
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Affiliation(s)
- Henrik A. Svendsen
- Institute of Clinical MedicineFaculty of MedicineUniversity of OsloOsloNorway
- Department of NeurosurgeryOslo University HospitalOsloNorway
- Department of Tumor BiologyInstitute for Cancer ResearchOslo University Hospital‐RadiumhospitaletOsloNorway
| | - Torstein R. Meling
- Institute of Clinical MedicineFaculty of MedicineUniversity of OsloOsloNorway
- Department of NeurosurgeryOslo University HospitalOsloNorway
- Department of NeurosurgeryGeneva University HospitalsGenevaSwitzerland
- Faculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Vigdis Nygaard
- Department of Tumor BiologyInstitute for Cancer ResearchOslo University Hospital‐RadiumhospitaletOsloNorway
| | - Stein Waagene
- Department of Tumor BiologyInstitute for Cancer ResearchOslo University Hospital‐RadiumhospitaletOsloNorway
| | - Hege Russnes
- Department of PathologyOslo University HospitalOsloNorway
| | - Siri Juell
- Department of Tumor BiologyInstitute for Cancer ResearchOslo University Hospital‐RadiumhospitaletOsloNorway
| | - Siril G. Rogne
- Department of NeurosurgeryOslo University HospitalOsloNorway
| | - Jens Pahnke
- Institute of Clinical MedicineFaculty of MedicineUniversity of OsloOsloNorway
- Department of PathologyOslo University HospitalOsloNorway
- LIEDUniversity of LübeckJenaGermany
- Department of PharmacologyMedical FacultyUniversity of LatviaRigaLatvia
| | - Eirik Helseth
- Institute of Clinical MedicineFaculty of MedicineUniversity of OsloOsloNorway
- Department of NeurosurgeryOslo University HospitalOsloNorway
| | - Øystein Fodstad
- Institute of Clinical MedicineFaculty of MedicineUniversity of OsloOsloNorway
- Department of Tumor BiologyInstitute for Cancer ResearchOslo University Hospital‐RadiumhospitaletOsloNorway
- Østfold Hospital TrustGrålumNorway
| | - Gunhild M. Mælandsmo
- Department of Tumor BiologyInstitute for Cancer ResearchOslo University Hospital‐RadiumhospitaletOsloNorway
- Institute of Medical BiologyFaculty of Health SciencesUniversity of Tromsø ‐ The Arctic University of NorwayTromsøNorway
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14
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Römer M, Dörfler J, Huebner J. The use of ketogenic diets in cancer patients: a systematic review. Clin Exp Med 2021; 21:501-536. [PMID: 33813635 PMCID: PMC8505380 DOI: 10.1007/s10238-021-00710-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/26/2021] [Indexed: 12/29/2022]
Abstract
Ketogenic diets are a widely known, yet controversial treatment for cancer patients. In this review, we summarize the clinical evidence for anti-tumor effects, as well as the effects on anthropometry, quality of life, adverse events and adherence in cancer patients. In April 2019, a systematic search was conducted searching five electronic databases (EMBASE, Cochrane, PsychInfo, CINAHL and Medline) to find studies analyzing the use, effectiveness and potential harm of a ketogenic diet in cancer patients of any age as sole or complementary therapy. From all 19.211 search results, 46 publications concerning 39 studies with 770 patients were included in this systematic review. The therapy concepts included all forms of diets with reduced carbohydrate intake, that aimed to achieve ketosis for patients with different types of cancer. Most studies had a low quality, high risk of bias and were highly heterogeneous. There was no conclusive evidence for anti-tumor effects or improved OS. The majority of patients had significant weight loss and mild to moderate side effects. Adherence to the diet was rather low in most studies. Due to the very heterogeneous results and methodological limitations of the included studies, clinical evidence for the effectiveness of ketogenic diets in cancer patients is still lacking.
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Affiliation(s)
- Maximilian Römer
- Klinik Für Innere Medizin II, Hämatologie Und Internistische Onkologie, Universitätsklinikum Jena, Am Klinikum 1, 07747, Jena, Germany.
| | - Jennifer Dörfler
- Klinik Für Innere Medizin II, Hämatologie Und Internistische Onkologie, Universitätsklinikum Jena, Am Klinikum 1, 07747, Jena, Germany
| | - Jutta Huebner
- Klinik Für Innere Medizin II, Hämatologie Und Internistische Onkologie, Universitätsklinikum Jena, Am Klinikum 1, 07747, Jena, Germany
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15
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Pillai M, Jolly MK. Systems-level network modeling deciphers the master regulators of phenotypic plasticity and heterogeneity in melanoma. iScience 2021; 24:103111. [PMID: 34622164 PMCID: PMC8479788 DOI: 10.1016/j.isci.2021.103111] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/03/2021] [Accepted: 09/08/2021] [Indexed: 02/07/2023] Open
Abstract
Phenotypic (i.e. non-genetic) heterogeneity in melanoma drives dedifferentiation, recalcitrance to targeted therapy and immunotherapy, and consequent tumor relapse and metastasis. Various markers or regulators associated with distinct phenotypes in melanoma have been identified, but, how does a network of interactions among these regulators give rise to multiple "attractor" states and phenotypic switching remains elusive. Here, we inferred a network of transcription factors (TFs) that act as master regulators for gene signatures of diverse cell-states in melanoma. Dynamical simulations of this network predicted how this network can settle into different "attractors" (TF expression patterns), suggesting that TF network dynamics drives the emergence of phenotypic heterogeneity. These simulations can recapitulate major phenotypes observed in melanoma and explain de-differentiation trajectory observed upon BRAF inhibition. Our systems-level modeling framework offers a platform to understand trajectories of phenotypic transitions in the landscape of a regulatory TF network and identify novel therapeutic strategies targeting melanoma plasticity.
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Affiliation(s)
- Maalavika Pillai
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
- Undergraduate Programme, Indian Institute of Science, Bangalore, India
| | - Mohit Kumar Jolly
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
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16
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Abdollahi P, Vandsemb EN, Elsaadi S, Røst LM, Yang R, Hjort MA, Andreassen T, Misund K, Slørdahl TS, Rø TB, Sponaas AM, Moestue S, Bruheim P, Børset M. Phosphatase of regenerating liver-3 regulates cancer cell metabolism in multiple myeloma. FASEB J 2021; 35:e21344. [PMID: 33566385 DOI: 10.1096/fj.202001920rr] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 12/11/2020] [Accepted: 12/21/2020] [Indexed: 12/12/2022]
Abstract
Cancer cells often depend on microenvironment signals from molecules such as cytokines for proliferation and metabolic adaptations. PRL-3, a cytokine-induced oncogenic phosphatase, is highly expressed in multiple myeloma cells and associated with poor outcome in this cancer. We studied whether PRL-3 influences metabolism. Cells transduced to express PRL-3 had higher aerobic glycolytic rate, oxidative phosphorylation, and ATP production than the control cells. PRL-3 promoted glucose uptake and lactate excretion, enhanced the levels of proteins regulating glycolysis and enzymes in the serine/glycine synthesis pathway, a side branch of glycolysis. Moreover, mRNAs for these proteins correlated with PRL-3 expression in primary patient myeloma cells. Glycine decarboxylase (GLDC) was the most significantly induced metabolism gene. Forced GLDC downregulation partly counteracted PRL-3-induced aerobic glycolysis, indicating GLDC involvement in a PRL-3-driven Warburg effect. AMPK, HIF-1α, and c-Myc, important metabolic regulators in cancer cells, were not mediators of PRL-3's metabolic effects. A phosphatase-dead PRL-3 mutant, C104S, promoted many of the metabolic changes induced by wild-type PRL-3, arguing that important metabolic effects of PRL-3 are independent of its phosphatase activity. Through this study, PRL-3 emerges as one of the key mediators of metabolic adaptations in multiple myeloma.
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Affiliation(s)
- Pegah Abdollahi
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Laboratory Clinic, St. Olavs University Hospital, Trondheim, Norway
| | - Esten N Vandsemb
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Samah Elsaadi
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Lisa M Røst
- Department of Biotechnology and Food Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Rui Yang
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Laboratory Clinic, St. Olavs University Hospital, Trondheim, Norway
| | - Magnus A Hjort
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Children's Clinic, St. Olavs University Hospital, Trondheim, Norway
| | - Trygve Andreassen
- MR Core Facility, Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Kristine Misund
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Clinic of Medicine, St. Olavs University Hospital, Trondheim, Norway
| | - Tobias S Slørdahl
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Clinic of Medicine, St. Olavs University Hospital, Trondheim, Norway
| | - Torstein B Rø
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Children's Clinic, St. Olavs University Hospital, Trondheim, Norway
| | - Anne-Marit Sponaas
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Siver Moestue
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Pharmacy, Faculty of Health Sciences, Nord University, Bodø, Norway
| | - Per Bruheim
- Department of Biotechnology and Food Science, Faculty of Natural Sciences, Norwegian University of Science and Technology, Trondheim, Norway
| | - Magne Børset
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Immunology and Transfusion Medicine, St. Olavs University Hospital, Trondheim, Norway
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17
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Ding X, Wang L, Chen M, Wu Y, Ge S, Li J, Fan X, Lin M. Sperm-Specific Glycolysis Enzyme Glyceraldehyde-3-Phosphate Dehydrogenase Regulated by Transcription Factor SOX10 to Promote Uveal Melanoma Tumorigenesis. Front Cell Dev Biol 2021; 9:610683. [PMID: 34249897 PMCID: PMC8267526 DOI: 10.3389/fcell.2021.610683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 02/26/2021] [Indexed: 11/17/2022] Open
Abstract
Melanoma cells exhibit increased aerobic glycolysis, which represents a major biochemical alteration associated with malignant transformation; thus, glycolytic enzymes could be exploited to selectively target cancer cells in cancer therapy. Sperm-specific glyceraldehyde-3-phosphate dehydrogenase (GAPDHS) switches glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate by coupling with the reduction of NAD+ to NADH. Here, we demonstrated that GAPDHS displays significantly higher expression in uveal melanoma (UM) than in normal controls. Functionally, the knockdown of GAPDHS in UM cell lines hindered glycolysis by decreasing glucose uptake, lactate production, adenosine triphosphate (ATP) generation, cell growth and proliferation; conversely, overexpression of GAPDHS promoted glycolysis, cell growth and proliferation. Furthermore, we identified that SOX10 knockdown reduced the activation of GAPDHS, leading to an attenuated malignant phenotype, and that SOX10 overexpression promoted the activation of GAPDHS, leading to an enhanced malignant phenotype. Mechanistically, SOX10 exerted its function by binding to the promoter of GAPDHS to regulate its expression. Importantly, SOX10 abrogation suppressed in vivo tumor growth and proliferation. Collectively, the results reveal that GAPDHS, which is regulated by SOX10, controls glycolysis and contributes to UM tumorigenesis, highlighting its potential as a therapeutic target.
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Affiliation(s)
- Xia Ding
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Lihua Wang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Mingjiao Chen
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Yue Wu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Jin Li
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Xianqun Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Ming Lin
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
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18
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Karvelsson ST, Sigurdsson A, Seip K, Grinde MT, Wang Q, Johannsson F, Mælandsmo GM, Moestue SA, Rolfsson O, Halldorsson S. EMT-Derived Alterations in Glutamine Metabolism Sensitize Mesenchymal Breast Cells to mTOR Inhibition. Mol Cancer Res 2021; 19:1546-1558. [PMID: 34088869 DOI: 10.1158/1541-7786.mcr-20-0962] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 03/16/2021] [Accepted: 05/24/2021] [Indexed: 11/16/2022]
Abstract
Epithelial-to-mesenchymal transition (EMT) is a fundamental developmental process with strong implications in cancer progression. Understanding the metabolic alterations associated with EMT may open new avenues of treatment and prevention. Here we used 13C carbon analogs of glucose and glutamine to examine differences in their utilization within central carbon and lipid metabolism following EMT in breast epithelial cell lines. We found that there are inherent differences in metabolic profiles before and after EMT. We observed EMT-dependent re-routing of the TCA-cycle, characterized by increased mitochondrial IDH2-mediated reductive carboxylation of glutamine to lipid biosynthesis with a concomitant lowering of glycolytic rates and glutamine-dependent glutathione (GSH) generation. Using weighted correlation network analysis, we identified cancer drugs whose efficacy against the NCI-60 Human Tumor Cell Line panel is significantly associated with GSH abundance and confirmed these in vitro. We report that EMT-linked alterations in GSH synthesis modulate the sensitivity of breast epithelial cells to mTOR inhibitors. IMPLICATIONS: EMT in breast cells causes an increased demand for glutamine for fatty acid biosynthesis, altering its contribution to glutathione biosynthesis, which sensitizes the cells to mTOR inhibitors.
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Affiliation(s)
| | - Arnar Sigurdsson
- Department of Chemistry, Technische Universität Berlin, Berlin, Germany
| | - Kotryna Seip
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | | | - Qiong Wang
- Center for Systems Biology, University of Iceland, Reykjavik, Iceland
| | - Freyr Johannsson
- Center for Systems Biology, University of Iceland, Reykjavik, Iceland
| | - Gunhild Mari Mælandsmo
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Siver Andreas Moestue
- Department of Clinical and Molecular Medicine, NTNU, Trondheim, Norway.,Department of Pharmacy, Nord University, Namsos, Norway
| | - Ottar Rolfsson
- Center for Systems Biology, University of Iceland, Reykjavik, Iceland.
| | - Skarphedinn Halldorsson
- Center for Systems Biology, University of Iceland, Reykjavik, Iceland.,Institute for Surgical Research, Vilhelm Magnus Laboratory, Oslo University Hospital, Oslo, Norway
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19
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Sobiepanek A, Paone A, Cutruzzolà F, Kobiela T. Biophysical characterization of melanoma cell phenotype markers during metastatic progression. EUROPEAN BIOPHYSICS JOURNAL : EBJ 2021; 50:523-542. [PMID: 33730175 PMCID: PMC8190004 DOI: 10.1007/s00249-021-01514-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/30/2021] [Accepted: 03/08/2021] [Indexed: 12/14/2022]
Abstract
Melanoma is the most fatal form of skin cancer, with increasing prevalence worldwide. The most common melanoma genetic driver is mutation of the proto-oncogene serine/threonine kinase BRAF; thus, the inhibition of its MAP kinase pathway by specific inhibitors is a commonly applied therapy. However, many patients are resistant, or develop resistance to this type of monotherapy, and therefore combined therapies which target other signaling pathways through various molecular mechanisms are required. A possible strategy may involve targeting cellular energy metabolism, which has been recognized as crucial for cancer development and progression and which connects through glycolysis to cell surface glycan biosynthetic pathways. Protein glycosylation is a hallmark of more than 50% of the human proteome and it has been recognized that altered glycosylation occurs during the metastatic progression of melanoma cells which, in turn facilitates their migration. This review provides a description of recent advances in the search for factors able to remodel cell metabolism between glycolysis and oxidative phosphorylation, and of changes in specific markers and in the biophysical properties of cells during melanoma development from a nevus to metastasis. This development is accompanied by changes in the expression of surface glycans, with corresponding changes in ligand-receptor affinity, giving rise to structural features and viscoelastic parameters particularly well suited to study by label-free biophysical methods.
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Affiliation(s)
- Anna Sobiepanek
- Laboratory of Biomolecular Interactions Studies, Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664, Warsaw, Poland.
| | - Alessio Paone
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, Rome, Italy
| | - Francesca Cutruzzolà
- Department of Biochemical Sciences "A. Rossi Fanelli", Sapienza University of Rome, Rome, Italy
| | - Tomasz Kobiela
- Laboratory of Biomolecular Interactions Studies, Chair of Drug and Cosmetics Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664, Warsaw, Poland
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20
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Granados K, Poelchen J, Novak D, Utikal J. Cellular Reprogramming-A Model for Melanoma Cellular Plasticity. Int J Mol Sci 2020; 21:ijms21218274. [PMID: 33167306 PMCID: PMC7663830 DOI: 10.3390/ijms21218274] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/29/2020] [Accepted: 10/31/2020] [Indexed: 12/14/2022] Open
Abstract
Cellular plasticity of cancer cells is often associated with phenotypic heterogeneity and drug resistance and thus remains a major challenge for the treatment of melanoma and other types of cancer. Melanoma cells have the capacity to switch their phenotype during tumor progression, from a proliferative and differentiated phenotype to a more invasive and dedifferentiated phenotype. However, the molecular mechanisms driving this phenotype switch are not yet fully understood. Considering that cellular heterogeneity within the tumor contributes to the high plasticity typically observed in melanoma, it is crucial to generate suitable models to investigate this phenomenon in detail. Here, we discuss the use of complete and partial reprogramming into induced pluripotent cancer (iPC) cells as a tool to obtain new insights into melanoma cellular plasticity. We consider this a relevant topic due to the high plasticity of melanoma cells and its association with a strong resistance to standard anticancer treatments.
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Affiliation(s)
- Karol Granados
- Skin Cancer Unit, German Cancer Research Center (DKFZ), D-69120 Heidelberg, Germany; (K.G.); (J.P.); (D.N.)
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, D-68135 Mannheim, Germany
- Department of Biochemistry, School of Medicine, University of Costa Rica (UCR), Rodrigo Facio Campus, San Pedro Montes Oca, San Jose 2060, Costa Rica
| | - Juliane Poelchen
- Skin Cancer Unit, German Cancer Research Center (DKFZ), D-69120 Heidelberg, Germany; (K.G.); (J.P.); (D.N.)
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, D-68135 Mannheim, Germany
| | - Daniel Novak
- Skin Cancer Unit, German Cancer Research Center (DKFZ), D-69120 Heidelberg, Germany; (K.G.); (J.P.); (D.N.)
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, D-68135 Mannheim, Germany
| | - Jochen Utikal
- Skin Cancer Unit, German Cancer Research Center (DKFZ), D-69120 Heidelberg, Germany; (K.G.); (J.P.); (D.N.)
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, D-68135 Mannheim, Germany
- Correspondence:
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21
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Jarrar Y, Zihlif M, Al Bawab AQ, Sharab A. Effects of Intermittent Hypoxia on Expression of Glucose Metabolism Genes in MCF7 Breast Cancer Cell Line. Curr Cancer Drug Targets 2020; 20:216-222. [PMID: 31738135 DOI: 10.2174/1568009619666191116095847] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/10/2019] [Accepted: 10/03/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Hypoxic condition induces molecular alterations which affect the survival rate and chemo-resistant phenotype of cancer cells. OBJECTIVE The aim of this study is to investigate the influence of intermittent hypoxic conditions on the expression of glucose metabolism genes in breast cancer MCF7 cell line. METHODS The gene expression was analyzed using a polymerase chain reaction-array method. In addition, the cell resistance, survival and migration rates were examined to assure the hypoxic influence on the cells. RESULTS 30 hypoxic episodes induced the Warburg effect through significant (p-value < 0.05) upregulation of the expression of PCK2, PHKG1, ALDOC, G6PC, GYS2, ALDOB, HK3, PKLR, PGK2, PDK2, ACO1 and H6PD genes that are involved in glycolysis, were obtained. Furthermore, the expression of the major gluconeogenesis enzyme genes was significantly (ANOVA, p-value < 0.05) downregulated. These molecular alterations were associated with increased MCF7 cell division and migration rate. However, molecular and phenotypic changes induced after 30 episodes were normalized in MCF7 cells exposed to 60 hypoxic episodes. CONCLUSION It is concluded, from this study, that 30 intermitted hypoxic episodes increased the survival rate of MCF7 breast cancer cells and induced the Warburg effect through upregulation of the expression of genes involved in the glycolysis pathway. These results may increase our understanding of the molecular alterations of breast cancer cells under hypoxic conditions.
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Affiliation(s)
- Yazun Jarrar
- Department of Pharmaceutical Science, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Malek Zihlif
- Department of Pharmacology, Faculty of Medicine, The University of Jordan, Amman, Jordan
| | - Abdel Qader Al Bawab
- Department of Pharmaceutical Science, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Ahmad Sharab
- Department of Pharmacology, Faculty of Medicine, The University of Jordan, Amman, Jordan
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22
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Hyun DH. Insights into the New Cancer Therapy through Redox Homeostasis and Metabolic Shifts. Cancers (Basel) 2020; 12:cancers12071822. [PMID: 32645959 PMCID: PMC7408991 DOI: 10.3390/cancers12071822] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 12/18/2022] Open
Abstract
Modest levels of reactive oxygen species (ROS) are necessary for intracellular signaling, cell division, and enzyme activation. These ROS are later eliminated by the body’s antioxidant defense system. High amounts of ROS cause carcinogenesis by altering the signaling pathways associated with metabolism, proliferation, metastasis, and cell survival. Cancer cells exhibit enhanced ATP production and high ROS levels, which allow them to maintain elevated proliferation through metabolic reprograming. In order to prevent further ROS generation, cancer cells rely on more glycolysis to produce ATP and on the pentose phosphate pathway to provide NADPH. Pro-oxidant therapy can induce more ROS generation beyond the physiologic thresholds in cancer cells. Alternatively, antioxidant therapy can protect normal cells by activating cell survival signaling cascades, such as the nuclear factor erythroid 2-related factor 2 (Nrf2)-Kelch-like ECH-associated protein 1 (Keap1) pathway, in response to radio- and chemotherapeutic drugs. Nrf2 is a key regulator that protects cells from oxidative stress. Under normal conditions, Nrf2 is tightly bound to Keap1 and is ubiquitinated and degraded by the proteasome. However, under oxidative stress, or when treated with Nrf2 activators, Nrf2 is liberated from the Nrf2-Keap1 complex, translocated into the nucleus, and bound to the antioxidant response element in association with other factors. This cascade results in the expression of detoxifying enzymes, including NADH-quinone oxidoreductase 1 (NQO1) and heme oxygenase 1. NQO1 and cytochrome b5 reductase can neutralize ROS in the plasma membrane and induce a high NAD+/NADH ratio, which then activates SIRT1 and mitochondrial bioenergetics. NQO1 can also stabilize the tumor suppressor p53. Given their roles in cancer pathogenesis, redox homeostasis and the metabolic shift from glycolysis to oxidative phosphorylation (through activation of Nrf2 and NQO1) seem to be good targets for cancer therapy. Therefore, Nrf2 modulation and NQO1 stimulation could be important therapeutic targets for cancer prevention and treatment.
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Affiliation(s)
- Dong-Hoon Hyun
- Department of Life Science, Ewha Womans University, Seoul 03760, Korea
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23
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Aranha ESP, da Silva EL, Mesquita FP, de Sousa LB, da Silva FMA, Rocha WC, Lima ES, Koolen HHF, de Moraes MEA, Montenegro RC, de Vasconcellos MC. 22β-hydroxytingenone reduces proliferation and invasion of human melanoma cells. Toxicol In Vitro 2020; 66:104879. [PMID: 32360863 DOI: 10.1016/j.tiv.2020.104879] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 03/13/2020] [Accepted: 04/27/2020] [Indexed: 12/20/2022]
Abstract
Melanoma is a skin cancer with high invasive potential and high lethality. Considering that quinonemethide triterpenes are described as promising anticancer agents, the aim of this study was to evaluate the effect of 22β-hydroxytingenone (22-HTG) against human melanoma cells. Alamar blue assay was performed in order to evaluate its cytotoxic effect. Thus, subtoxic concentrations (1.0, 2.0, and 2.5 μM) were used to evaluate the effect of this compound on proliferation, migration, metabolism, and invasion. IC50 value against SK-MEL-28 cell line was 4.35, 3.72, and 3.29 μM after 24, 48, and 72 h of incubation, respectively. 22-HTG reduced proliferation, migration and invasion by melanoma cells, with decreased activity of metalloproteinases (MMP-2 and MMP-9). Futhermore, 22-HTG decreased expression of lactate dehydrogenase (LDHA), an enzyme associated with cell metabolism. Howerver, the small reduction in LDHA enzyme activity must have occurred by the cytotoxic effect of 22-HTG. According to the results, 22-HTG interferes with important characteristics of cancer, with anti-proliferative, and anti-invasive effect against melanoma cells. The data suggest that 22-HTG is an effective substance against melanoma cells and it should be considered as a potential anticancer agent.
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Affiliation(s)
- Elenn Suzany Pereira Aranha
- Faculty of Pharmaceutical Sciences, Post Graduate Program in Biodiversity and Biotechnology of the Amazon (Bionorte), Federal University of Amazonas, Manaus, Amazonas, Brazil.
| | - Emerson Lucena da Silva
- Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Felipe Pantoja Mesquita
- Drug Research and Development Center (NPDM), Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | | | - Waldireny C Rocha
- Health and Biotechnology Institute, Federal University of Amazonas, Coari, Amazonas, Brazil
| | - Emerson Silva Lima
- Faculty of Pharmaceutical Sciences, Federal University of Amazonas, Manaus, Amazon, Brazil
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24
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Mitra T, Bhattacharya R. Phytochemicals modulate cancer aggressiveness: A review depicting the anticancer efficacy of dietary polyphenols and their combinations. J Cell Physiol 2020; 235:7696-7708. [PMID: 32324275 DOI: 10.1002/jcp.29703] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 03/28/2020] [Accepted: 04/01/2020] [Indexed: 12/11/2022]
Abstract
Cancer is referred to as the "Emperor of all maladies" accounting for the second-highest mortality rates worldwide. Major factors associated with cancer lethality are uncontrolled proliferation, metastasis, and frequent recurrence. The conventional therapeutic drugs used in cancer therapy have been associated with numerous damaging side-effects that call for the use of alternative therapeutic options. The natural plant compounds (NPCs) have been found to be effective against diverse groups of diseases including cancer. Among the different types, the polyphenolic phytochemicals like curcumin, (-)epigallocatechin-3-gallate, Resveratrol, and nimbolide which are predominant parts of daily dietary intake have proved their potency in reducing the aggressive properties of cancer. Here, we have highlighted the mechanisms through which these NPCs influence growth, metastatic potential, and the drug-resistant behavior of different cancer types. Moreover, we have also emphasized on their function as modulators of the immune system as well as the metabolic properties of the tumor. The role of these phytochemicals in reducing cancer progression has been highlighted when administered unaided or in combination with similar group of compounds. Moreover, their ability to enhance the drug-sensitivity of cancer cells which accounts for their use in combination with conventional chemotherapeutics has also been discussed in this article. Therefore, co-administration of these phytochemicals with chemically similar group members or with conventional chemotherapeutics may prove to be an effective treatment strategy for cancer.
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Affiliation(s)
- Tulika Mitra
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Rahul Bhattacharya
- Amity Institute of Biotechnology, Amity University, Kolkata, Kolkata, West Bengal, India
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25
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Immunotherapy: Newer Therapeutic Armamentarium against Cancer Stem Cells. JOURNAL OF ONCOLOGY 2020; 2020:3963561. [PMID: 32211043 PMCID: PMC7085385 DOI: 10.1155/2020/3963561] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 02/04/2020] [Indexed: 12/15/2022]
Abstract
Mounting evidence from the literature suggests the existence of a subpopulation of cancer stem cells (CSCs) in almost all types of human cancers. These CSCs possessing a self-renewal capacity inhabit primary tumors and are more defiant to standard antimitotic and molecularly targeted therapies which are used for eliminating actively proliferating and differentiated cancer cells. Clinical relevance of CSCs emerges from the fact that they are the root cause of therapy resistance, relapse, and metastasis. Earlier, surgery, chemotherapy, and radiotherapy were established as cancer treatment modalities, but recently, immunotherapy is also gaining importance in the management of various cancer patients, mostly those of the advanced stage. This review abridges potential off-target effects of inhibiting CSC self-renewal pathways on immune cells and some recent immunological studies specifically targeting CSCs on the basis of their antigen expression profile, even though molecular markers or antigens that have been described till date as expressed by cancer stem cells are not specifically expressed by these cells which is a major limitation to target CSCs. We propose that owing to CSC stemness property to mediate immunotherapy response, we can apply a combination therapy approach by targeting CSCs and tumor microenvironment (TME) along with conventional treatment strategies as an effective means to eradicate cancer cells.
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26
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Metabolic classification of circulating tumor cells as a biomarker for metastasis and prognosis in breast cancer. J Transl Med 2020; 18:59. [PMID: 32028979 PMCID: PMC7003411 DOI: 10.1186/s12967-020-02237-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/22/2020] [Indexed: 01/21/2023] Open
Abstract
Background Circulating tumor cells (CTCs) has been demonstrated as a promising liquid biopsy marker for breast cancer (BC). However, the intra-patient heterogeneity of CTCs remains a challenge to clinical application. We aim at profiling aggressive CTCs subpopulation in BC utilizing the distinctive metabolic reprogramming which is a hallmark of metastatic tumor cells. Methods Oncomine, TCGA and Kaplan–Meier plotter databases were utilized to analyze expression and survival relevance of the previously screened metastasis-promoting metabolic markers (PGK1/G6PD) in BC patients. CTCs detection and metabolic classification were performed through micro-filtration and multiple RNA in situ hybridization using CD45 and PGK1/G6PD probes. Blood samples were collected from 64 BC patients before treatment for CTCs analysis. Patient characteristics were recorded to evaluate clinical applications of CTCs metabolic subtypes, as well as morphological EMT subtypes classified by epithelial (EpCAM/CKs) and mesenchymal (Vimentin/Twist) markers. Results PGK1 and G6PD expressions were up-regulated in invasive BC tissues compared with normal mammary tissues. Increased tissue expressions of PGK1 or G6PD indicated shortened overall and relapse-free survival of BC patients (P < 0.001). Blood GM+CTCs (DAPI+CD45−PGK1/G6PD+) was detectable (range 0–54 cells/5 mL) in 61.8% of tCTCs > 0 patients. Increased GM+CTCs number and positive rate were correlated with tumor metastasis and progression (P < 0.05). The GM+CTCs ≥ 2/5 mL level presented superior AUC of ROC at 0.854 (95% CI 0.741–0.968) in the diagnosis of BC metastasis (sensitivity/specificity: 66.7%/91.3%), compared with that of tCTCs (0.779) and CTCs-EMT subtypes (E-CTCs 0.645, H-CTCs 0.727 and M-CTCs 0.697). Moreover, GM+CTCs+ group had inferior survival with decreased 2 years-PFS proportion (18.5%) than GM+CTCs− group (87.9%; P = 0.001). Conclusions This work establishes a PGK1/G6PD-based method for CTCs metabolic classification to identify the aggressive CTCs subpopulation. Metabolically active GM+CTCs subtype is suggested a favorable biomarker of distant metastasis and prognosis in BC patients.
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27
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Vara-Perez M, Maes H, Van Dingenen S, Agostinis P. BNIP3 contributes to the glutamine-driven aggressive behavior of melanoma cells. Biol Chem 2019; 400:187-193. [PMID: 29924728 DOI: 10.1515/hsz-2018-0208] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 06/15/2018] [Indexed: 02/04/2023]
Abstract
Aerobic glycolysis ('Warburg effect') is used by cancer cells to fuel tumor growth. Interestingly, metastatic melanoma cells rely on glutaminolysis rather than aerobic glycolysis for their bioenergetic needs through the tricarboxylic acid (TCA) cycle. Here, we compared the effects of glucose or glutamine on melanoma cell proliferation, migration and oxidative phosphorylation in vitro. We found that glutamine-driven melanoma cell's aggressive traits positively correlated with increased expression of HIF1α and its pro-autophagic target BNIP3. BNIP3 silencing reduced glutamine-mediated effects on melanoma cell growth, migration and bioenergetics. Hence, BNIP3 is a vital component of the mitochondria quality control required for glutamine-driven melanoma aggressiveness.
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Affiliation(s)
- Monica Vara-Perez
- Cell Death Research and Therapy (CDRT) Laboratory, Department of Cellular and Molecular Medicine, O&N1 Building from Campus Gasthuisberg, KU Leuven University of Leuven, Herenstraat 49, B-3000 Leuven, Belgium
| | - Hannelore Maes
- Cell Death Research and Therapy (CDRT) Laboratory, Department of Cellular and Molecular Medicine, O&N1 Building from Campus Gasthuisberg, KU Leuven University of Leuven, Herenstraat 49, B-3000 Leuven, Belgium
| | - Sarah Van Dingenen
- Cell Death Research and Therapy (CDRT) Laboratory, Department of Cellular and Molecular Medicine, O&N1 Building from Campus Gasthuisberg, KU Leuven University of Leuven, Herenstraat 49, B-3000 Leuven, Belgium
| | - Patrizia Agostinis
- Cell Death Research and Therapy (CDRT) Laboratory, Department of Cellular and Molecular Medicine, O&N1 Building from Campus Gasthuisberg, KU Leuven University of Leuven, Herenstraat 49, B-3000 Leuven, Belgium
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28
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Metabolic flexibility in melanoma: A potential therapeutic target. Semin Cancer Biol 2019; 59:187-207. [PMID: 31362075 DOI: 10.1016/j.semcancer.2019.07.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 07/11/2019] [Accepted: 07/23/2019] [Indexed: 01/01/2023]
Abstract
Cutaneous melanoma (CM) represents one of the most metastasizing and drug resistant solid tumors. CM is characterized by a remarkable metabolic plasticity and an important connection between oncogenic activation and energetic metabolism. In fact, melanoma cells can use both cytosolic and mitochondrial compartments to produce adenosine triphosphate (ATP) during cancer progression. However, the CM energetic demand mainly depends on glycolysis, whose upregulation is strictly linked to constitutive activation of BRAF/MAPK pathway affected by BRAFV600E kinase mutant. Furthermore, the impressive metabolic plasticity of melanoma allows the development of resistance mechanisms to BRAF/MEK inhibitors (BRAFi/MEKi) and the adaptation to microenvironmental changes. The metabolic interaction between melanoma cells and tumor microenvironment affects the immune response and CM growth. In this review article, we describe the regulation of melanoma metabolic alterations and the metabolic interactions between cancer cells and microenvironment that influence melanoma progression and immune response. Finally, we summarize the hallmarks of melanoma therapies and we report BRAF/MEK pathway targeted therapy and mechanisms of metabolic resistance.
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29
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Hypoxia- and MicroRNA-Induced Metabolic Reprogramming of Tumor-Initiating Cells. Cells 2019; 8:cells8060528. [PMID: 31159361 PMCID: PMC6627778 DOI: 10.3390/cells8060528] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/28/2019] [Accepted: 05/28/2019] [Indexed: 12/22/2022] Open
Abstract
Colorectal cancer (CRC), the second most common cause of cancer mortality in the Western world, is a highly heterogeneous disease that is driven by a rare subpopulation of tumorigenic cells, known as cancer stem cells (CSCs) or tumor-initiating cells (TICs). Over the past few years, a plethora of different approaches, aimed at identifying and eradicating these self-renewing TICs, have been described. A focus on the metabolic and bioenergetic differences between TICs and less aggressive differentiated cancer cells has thereby emerged as a promising strategy to specifically target the tumorigenic cell compartment. Extrinsic factors, such as nutrient availability or tumor hypoxia, are known to influence the metabolic state of TICs. In this review, we aim to summarize the current knowledge on environmental stress factors and how they affect the metabolism of TICs, with a special focus on microRNA (miRNA)- and hypoxia-induced effects on colon TICs.
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30
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Liu L, Qi L, Knifley T, Piecoro DW, Rychahou P, Liu J, Mitov MI, Martin J, Wang C, Wu J, Weiss HL, Butterfield DA, Evers BM, O'Connor KL, Chen M. S100A4 alters metabolism and promotes invasion of lung cancer cells by up-regulating mitochondrial complex I protein NDUFS2. J Biol Chem 2019; 294:7516-7527. [PMID: 30885944 DOI: 10.1074/jbc.ra118.004365] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 02/14/2019] [Indexed: 12/21/2022] Open
Abstract
It is generally accepted that alterations in metabolism are critical for the metastatic process; however, the mechanisms by which these metabolic changes are controlled by the major drivers of the metastatic process remain elusive. Here, we found that S100 calcium-binding protein A4 (S100A4), a major metastasis-promoting protein, confers metabolic plasticity to drive tumor invasion and metastasis of non-small cell lung cancer cells. Investigating how S100A4 regulates metabolism, we found that S100A4 depletion decreases oxygen consumption rates, mitochondrial activity, and ATP production and also shifts cell metabolism to higher glycolytic activity. We further identified that the 49-kDa mitochondrial complex I subunit NADH dehydrogenase (ubiquinone) Fe-S protein 2 (NDUFS2) is regulated in an S100A4-dependent manner and that S100A4 and NDUFS2 exhibit co-occurrence at significant levels in various cancer types as determined by database-driven analysis of genomes in clinical samples using cBioPortal for Cancer Genomics. Importantly, we noted that S100A4 or NDUFS2 silencing inhibits mitochondrial complex I activity, reduces cellular ATP level, decreases invasive capacity in three-dimensional growth, and dramatically decreases metastasis rates as well as tumor growth in vivo Finally, we provide evidence that cells depleted in S100A4 or NDUFS2 shift their metabolism toward glycolysis by up-regulating hexokinase expression and that suppressing S100A4 signaling sensitizes lung cancer cells to glycolysis inhibition. Our findings uncover a novel S100A4 function and highlight its importance in controlling NDUFS2 expression to regulate the plasticity of mitochondrial metabolism and thereby promote the invasive and metastatic capacity in lung cancer.
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Affiliation(s)
- Lili Liu
- From the Markey Cancer Center and
| | - Lei Qi
- From the Markey Cancer Center and
| | | | | | | | - Jinpeng Liu
- From the Markey Cancer Center and.,Biostatistics
| | | | | | - Chi Wang
- From the Markey Cancer Center and.,Biostatistics
| | - Jianrong Wu
- From the Markey Cancer Center and.,Biostatistics
| | | | | | | | - Kathleen L O'Connor
- From the Markey Cancer Center and .,Molecular and Cellular Biochemistry, and
| | - Min Chen
- From the Markey Cancer Center and .,Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky 40536
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31
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Nájera L, Alonso‐Juarranz M, Garrido M, Ballestín C, Moya L, Martínez‐Díaz M, Carrillo R, Juarranz A, Rojo F, Cuezva J, Rodríguez‐Peralto J. Prognostic implications of markers of the metabolic phenotype in human cutaneous melanoma. Br J Dermatol 2019; 181:114-127. [DOI: 10.1111/bjd.17513] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/03/2018] [Indexed: 12/12/2022]
Affiliation(s)
- L. Nájera
- Servicio de Anatomía Patológica Hospital Universitario Puerta de Hierro Majadahonda, MadridSpain
| | | | - M. Garrido
- Instituto de Investigación Hospital 12 de Octubre Universidad Complutense de Madrid MadridSpain
| | - C. Ballestín
- IIS‐Fundación Jiménez Diaz C/Reyes Católicos 2 28049 MadridSpain
| | - L. Moya
- Servicio de Anatomía Patológica Hospital Universitario Ramón y Cajal MadridSpain
| | - M. Martínez‐Díaz
- Departamento de Biología Molecular Centro de Biología Molecular Severo Ochoa CSIC‐UAM MadridSpain
| | - R. Carrillo
- Servicio de Anatomía Patológica Hospital Universitario Ramón y Cajal MadridSpain
| | - A. Juarranz
- Departamento de Biología Facultad de Ciencias Universidad Autónoma de Madrid C/Darwin, 2 28049 MadridSpain
- Instituto Ramón y Cajal de Investigaciones Sanitarias (IRYCIS) MadridSpain
| | - F. Rojo
- IIS‐Fundación Jiménez Diaz C/Reyes Católicos 2 28049 MadridSpain
| | - J.M. Cuezva
- Instituto de Investigación Hospital 12 de Octubre Universidad Complutense de Madrid MadridSpain
- Departamento de Biología Molecular Centro de Biología Molecular Severo Ochoa CSIC‐UAM MadridSpain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) ISCIII MadridSpain
| | - J.L. Rodríguez‐Peralto
- Instituto de Investigación Hospital 12 de Octubre Universidad Complutense de Madrid MadridSpain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC) ISCIII Madrid Spain
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32
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Gao Y, Yang F, Yang X, Zhang L, Yu H, Cheng X, Xu S, Pan J, Wang K, Li P. Mitochondrial metabolism is inhibited by the
HIF
1α‐
MYC
‐
PGC
‐1β axis in
BRAF
V600E thyroid cancer. FEBS J 2019; 286:1420-1436. [DOI: 10.1111/febs.14786] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 11/17/2018] [Accepted: 02/13/2019] [Indexed: 12/27/2022]
Affiliation(s)
- Yanyan Gao
- Key Laboratory of Nuclear Medicine Ministry of Health Jiangsu Key Laboratory of Molecular Nuclear Medicine Jiangsu Institute of Nuclear Medicine Wuxi China
- Center for Vascular Biology Institute for Translational Medicine College of Medicine Qingdao University China
| | - Fang Yang
- Center of System Medicine Institute of Basic Medical Sciences Chinese Academy of Medical Sciences & Peking Union Medical College Beijing China
| | - Xiu‐An Yang
- School of Basic Medical Science Chengde Medical University China
| | - Li Zhang
- Key Laboratory of Nuclear Medicine Ministry of Health Jiangsu Key Laboratory of Molecular Nuclear Medicine Jiangsu Institute of Nuclear Medicine Wuxi China
| | - Huixin Yu
- Key Laboratory of Nuclear Medicine Ministry of Health Jiangsu Key Laboratory of Molecular Nuclear Medicine Jiangsu Institute of Nuclear Medicine Wuxi China
| | - Xian Cheng
- Key Laboratory of Nuclear Medicine Ministry of Health Jiangsu Key Laboratory of Molecular Nuclear Medicine Jiangsu Institute of Nuclear Medicine Wuxi China
| | - Shichen Xu
- State Key Laboratory of Food Science and Technology School of Food Science and Technology Jiangnan University Wuxi China
| | - Jie Pan
- State Key Laboratory of Food Science and Technology School of Food Science and Technology Jiangnan University Wuxi China
| | - Kun Wang
- Center for Developmental Cardiology Institute for Translational Medicine College of Medicine Qingdao University Qingdao China
| | - Peifeng Li
- Center for Vascular Biology Institute for Translational Medicine College of Medicine Qingdao University China
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33
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Wu L, Cao K, Ni Z, Wang S, Li W, Liu X, Chen Z. Rhein reverses doxorubicin resistance in SMMC-7721 liver cancer cells by inhibiting energy metabolism and inducing mitochondrial permeability transition pore opening. Biofactors 2019; 45:85-96. [PMID: 30496631 DOI: 10.1002/biof.1462] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 08/27/2018] [Accepted: 09/18/2018] [Indexed: 01/28/2023]
Abstract
Rhein, a monomeric anthraquinone obtained from the plant herb species Polygonum multiflorum and P. cuspidatum, has been proposed to have anticancer activity. This activity has been suggested to be associated with mitochondrial injury due to the induction of mitochondrial permeability transition pore (mPTP) opening. In this study, the effects of 5-80 μM rhein on cell viability, half-maximal inhibitory concentration (IC50 value), resistance index, and apoptosis were assessed in the liver cancer cell lines SMMC-7721 and SMMC-7721/DOX (doxorubicin-resistant cells). Rhein (10-80 μM) significantly reduced the viability of both cell lines; 20 μM rhein significantly increased sensitivity to DOX and increased apoptosis in SMMC-7721 cells, but reversed resistance to DOX by 7.24-fold in SMMC-7721/DOX cells. Treatment with rhein increased accumulation of DOX in SMMC-7721/DOX cells, inhibited mitochondrial energy metabolism, decreased cellular ATP, and ADP levels, and altered the ratio of ATP to ADP. These effects may result from the binding of rhein with voltage-dependent ion channels (VDACs), adenine nucleotide translocase (ANT), and cyclophilin D, affecting their function and leading to the inhibition of ATP transport by VDACs and ANT. ATP synthesis was greatly reduced and mitochondrial inner membrane potential decreased. Together, these results indicate that rhein could reverse drug resistance in SMMC-7721/DOX cells by inhibiting energy metabolism and inducing mPTP opening. © 2018 BioFactors, 45(1):85-96, 2019.
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MESH Headings
- Adenosine Triphosphate/antagonists & inhibitors
- Adenosine Triphosphate/biosynthesis
- Anthraquinones/isolation & purification
- Anthraquinones/pharmacology
- Antibiotics, Antineoplastic/pharmacology
- Antineoplastic Agents, Phytogenic/isolation & purification
- Antineoplastic Agents, Phytogenic/pharmacology
- Apoptosis/drug effects
- Cell Line, Tumor
- Cell Survival/drug effects
- Cyclophilins/genetics
- Cyclophilins/metabolism
- Doxorubicin/pharmacology
- Drug Combinations
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Drug Synergism
- Energy Metabolism/drug effects
- Energy Metabolism/genetics
- Fallopia japonica/chemistry
- Fallopia multiflora/chemistry
- Gene Expression Regulation, Neoplastic/drug effects
- Hepatocytes/drug effects
- Hepatocytes/metabolism
- Hepatocytes/pathology
- Humans
- Membrane Potential, Mitochondrial/drug effects
- Membrane Potential, Mitochondrial/genetics
- Mitochondria/drug effects
- Mitochondria/genetics
- Mitochondria/metabolism
- Mitochondrial ADP, ATP Translocases/genetics
- Mitochondrial ADP, ATP Translocases/metabolism
- Mitochondrial Membrane Transport Proteins/drug effects
- Mitochondrial Membrane Transport Proteins/genetics
- Mitochondrial Membrane Transport Proteins/metabolism
- Mitochondrial Permeability Transition Pore
- Plant Extracts/chemistry
- Voltage-Dependent Anion Channels/genetics
- Voltage-Dependent Anion Channels/metabolism
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Affiliation(s)
- Li Wu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Kexin Cao
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Zihui Ni
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Shaodong Wang
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Weidong Li
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Xiao Liu
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Zhipeng Chen
- Department of Pharmacology, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
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Oncogenic Metabolism Acts as a Prerequisite Step for Induction of Cancer Metastasis and Cancer Stem Cell Phenotype. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:1027453. [PMID: 30671168 PMCID: PMC6323533 DOI: 10.1155/2018/1027453] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 11/28/2018] [Indexed: 02/07/2023]
Abstract
Metastasis is a major obstacle to the efficient and successful treatment of cancer. Initiation of metastasis requires epithelial-mesenchymal transition (EMT) that is regulated by several transcription factors, including Snail and ZEB1/2. EMT is closely linked to the acquisition of cancer stem cell (CSC) properties and chemoresistance, which contribute to tumor malignancy. Tumor suppressor p53 inhibits EMT and metastasis by negatively regulating several EMT-inducing transcription factors and regulatory molecules; thus, its inhibition is crucial in EMT, invasion, metastasis, and stemness. Metabolic alterations are another hallmark of cancer. Most cancer cells are more dependent on glycolysis than on mitochondrial oxidative phosphorylation for their energy production, even in the presence of oxygen. Cancer cells enhance other oncogenic metabolic pathways, such as glutamine metabolism, pentose phosphate pathway, and the synthesis of fatty acids and cholesterol. Metabolic reprogramming in cancer is regulated by the activation of oncogenes or loss of tumor suppressors that contribute to tumor progression. Oncogenic metabolism has been recently linked closely with the induction of EMT or CSC phenotypes by the induction of several metabolic enzyme genes. In addition, several transcription factors and molecules involved in EMT or CSCs, including Snail, Dlx-2, HIF-1α, STAT3, TGF-β, Wnt, and Akt, regulate oncogenic metabolism. Moreover, p53 induces metabolic change by directly regulating several metabolic enzymes. The collective data indicate the importance of oncogenic metabolism in the regulation of EMT, cell invasion and metastasis, and adoption of the CSC phenotype, which all contribute to malignant transformation and tumor development. In this review, we highlight the oncogenic metabolism as a key regulator of EMT and CSC, which is related with tumor progression involving metastasis and chemoresistance. Targeting oncometabolism might be a promising strategy for the development of effective anticancer therapy.
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35
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Metabolic targeting synergizes with MAPK inhibition and delays drug resistance in melanoma. Cancer Lett 2018; 442:453-463. [PMID: 30481565 DOI: 10.1016/j.canlet.2018.11.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 11/08/2018] [Accepted: 11/09/2018] [Indexed: 12/16/2022]
Abstract
Tumors, including melanomas, frequently show an accelerated glucose metabolism. Mutations in the v-Raf murine sarcoma viral oncogene homolog B (BRAF), detected in about 50% of all melanomas, result in further enhancement of glycolysis. Therefore anti-metabolic substances might enhance the impact of RAF inhibitors. We have identified the two non-steroidal anti-inflammatory drugs (NSAIDs) diclofenac and lumiracoxib being able to restrict energy metabolism in human melanoma cells by targeting lactate release and oxidative phosphorylation (OXPHOS). In combination with the RAF inhibitor vemurafenib strong synergism was observed: Diclofenac as well as lumiracoxib increased the anti-glycolytic impact of vemurafenib and prevented RAF-inhibitor induced metabolic reprogramming towards OXPHOS. Consequently, both NSAIDs sensitized melanoma cells to vemurafenib triggered proliferation arrest and enhanced the anti-tumor effect of RAF inhibitors from cytostatic to cytotoxic. Furthermore the addition of NSAIDs delayed the onset of RAF inhibitor resistance, most likely by counteracting the upregulation of MITF. Our data suggest that selected NSAIDs could be a promising combination partner for MAPK pathway inhibitors for the treatment of BRAFV600E mutated melanomas.
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36
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Sremanakova J, Sowerbutts AM, Burden S. A systematic review of the use of ketogenic diets in adult patients with cancer. J Hum Nutr Diet 2018; 31:793-802. [PMID: 30062812 DOI: 10.1111/jhn.12587] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND A growing body of evidence indicates the importance of nutrition in cancer treatment. Ketogenic diets are one strategy that has been proposed to enhance traditional anticancer therapy. This review summarises the evidence concerning the effect of oral ketogenic diets on anthropometry, metabolism, quality of life (QoL) and tumour effects, at the same time as documenting adverse events and adherence in patients with cancer. METHODS We searched electronic databases using medical subject headings (MeSH) and text words related to ketogenic diets and cancer. Adult patients following a ketogenic diet as a complementary therapy prior, alongside or after standard anticancer treatment for more than 7 days were included. Studies were assessed for quality using the Critical Appraisal Skills Programme tools (https://www.casp-uk.net). RESULTS Eleven studies were included with 102 participants (age range 34-87 years) from early-phase trials, cohort studies and case reports. Studies included participants with brain, rectal or mixed cancer sites at an early or advanced disease stage. The duration of intervention ranged from 2.4 to 134.7 weeks (0.5-31 months). Evidence was inconclusive for nutritional status and adverse events. Mixed results were observed for blood parameters, tumour effects and QoL. Adherence to diet was low (50 out of 102; 49%) and ranged from 23.5% to 100%. CONCLUSIONS High-quality evidence on the effect of ketogenic diets on anthropometry, metabolism, QoL and tumour effects is currently lacking in oncology patients. Heterogeneity between studies and low adherence to diet affects the current evidence. There is an obvious gap in the evidence, highlighting the need for controlled trials to fully evaluate the intervention.
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Affiliation(s)
- J Sremanakova
- School of Health Science, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - A M Sowerbutts
- School of Health Science, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - S Burden
- School of Health Science, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
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37
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Lu Y, Boswell M, Boswell W, Kneitz S, Hausmann M, Klotz B, Regneri J, Savage M, Amores A, Postlethwait J, Warren W, Schartl M, Walter R. Comparison of Xiphophorus and human melanoma transcriptomes reveals conserved pathway interactions. Pigment Cell Melanoma Res 2018; 31:496-508. [PMID: 29316274 PMCID: PMC6013346 DOI: 10.1111/pcmr.12686] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 12/23/2017] [Indexed: 12/14/2022]
Abstract
Comparative analysis of human and animal model melanomas can uncover conserved pathways and genetic changes that are relevant for the biology of cancer cells. Spontaneous melanoma in Xiphophorus interspecies backcross hybrid progeny may be informative in identifying genes and functional pathways that are similarly related to melanoma development in all vertebrates, including humans. To assess functional pathways involved in the Xiphophorus melanoma, we performed gene expression profiling of the melanomas produced in interspecies BC1 and successive backcross generations (i.e., BC5 ) of the cross: X. hellerii × [X. maculatus Jp 163 A × X. hellerii]. Using RNA-Seq, we identified genes that are transcriptionally co-expressed with the driver oncogene, xmrk. We determined functional pathways in the fish melanoma that are also present in human melanoma cohorts that may be related to dedifferentiation based on the expression levels of pigmentation genes. Shared pathways between human and Xiphophorus melanomas are related to inflammation, cell migration, cell proliferation, pigmentation, cancer development, and metastasis. Our results suggest xmrk co-expressed genes are associated with dedifferentiation and highlight these signaling pathways as playing important roles in melanomagenesis.
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Affiliation(s)
- Yuan Lu
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, USA
| | - Mikki Boswell
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, USA
| | - William Boswell
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, USA
| | - Susanne Kneitz
- Physiological Chemistry, Biozentrum, University of Würzburg, Würzburg, Germany
- Comprehensive Cancer Center Mainfranken, University Clinic Würzburg, D-97074 Würzburg, Germany
| | - Michael Hausmann
- Physiological Chemistry, Biozentrum, University of Würzburg, Würzburg, Germany
- Comprehensive Cancer Center Mainfranken, University Clinic Würzburg, D-97074 Würzburg, Germany
| | - Barbara Klotz
- Physiological Chemistry, Biozentrum, University of Würzburg, Würzburg, Germany
- Comprehensive Cancer Center Mainfranken, University Clinic Würzburg, D-97074 Würzburg, Germany
| | - Janine Regneri
- Physiological Chemistry, Biozentrum, University of Würzburg, Würzburg, Germany
- Comprehensive Cancer Center Mainfranken, University Clinic Würzburg, D-97074 Würzburg, Germany
| | - Markita Savage
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, USA
| | - Angel Amores
- Institute of Neuroscience, University of Oregon, Eugene, Oregon, USA
| | - John Postlethwait
- Institute of Neuroscience, University of Oregon, Eugene, Oregon, USA
| | - Wesley Warren
- The Genome Institute, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Manfred Schartl
- Physiological Chemistry, Biozentrum, University of Würzburg, Würzburg, Germany
- Comprehensive Cancer Center Mainfranken, University Clinic Würzburg, D-97074 Würzburg, Germany
- Texas A&M Institute for Advanced Studies and Department of Biology, Texas A&M University, College Station, USA
| | - Ronald Walter
- The Xiphophorus Genetic Stock Center, Department of Chemistry and Biochemistry, Texas State University, San Marcos, Texas, USA
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38
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Chen J, Cao S, Situ B, Zhong J, Hu Y, Li S, Huang J, Xu J, Wu S, Lin J, Zhao Q, Cai Z, Zheng L, Wang Q. Metabolic reprogramming-based characterization of circulating tumor cells in prostate cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:127. [PMID: 29954422 PMCID: PMC6025832 DOI: 10.1186/s13046-018-0789-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 06/12/2018] [Indexed: 01/01/2023]
Abstract
BACKGROUND Circulating tumor cells (CTCs), an advantageous target of liquid biopsy, is an important biomarker for the prognosis and monitoring of cancer. Currently, detection techniques for CTCs are mainly based on the physical and/or epithelial characteristics of tumor cells. However, biofunctional activity markers that can indicate the high metastatic capacity of CTCs are lacking. METHODS Functional microarray, quantitative real-time polymerase chain reaction, and Western blot were used on five prostate cancer cell lines with different metastatic capacities to identify the metastasis-related metabolic genes. The identified genes were detected in the CTCs of 64 clinical samples using the RNA in situ hybridization. A multi-criteria weighted model was used to determine the optimal metabolic markers for the CTCs test. Based on five fluorescent signals targeting DAPI, CD45, metabolic, epithelial (EpCAM/CKs), and mesenchymal (Vimentin/Twist) markers, the filtration-enriched CTCs were classified as GM+CTCs/GM-CTCs (metabolic types) or E-CTCs/H-CTCs/M-CTCs (EMT types). Correlation analysis and ROC curve were conducted on 54 prostate cancer samples to evaluate the clinical significance of CTCs subtypes. RESULTS Eight metastasis-related metabolic genes were identified, including HK2, PDP2, G6PD, PGK1, PHKA1, PYGL, PDK1, and PKM2. Among them, PGK1 and G6PD were determined as optimal glucose metabolic (GM) markers for CTCs. GM+CTCs (marked by PGK1/G6PD) were detectable in 64.8% (35/54) of prostate cancer patients, accounting for 46.5% (134/288) of total CTCs. An increased GM+CTCs level was associated with advanced tumor stage and metastasis (P < 0.05). In the discrimination of cancer metastasis from non-metastasis, GM+CTCs presented a higher AUC of the ROC curve (0.780) compared with the EMT CTCs subtypes (E-CTCs 0.729, H-CTCs 0.741, and M-CTCs 0.648). A triple tPSA-Gleason-GM+CTCs marker increased the AUC to 0.904, which was better than that of the tPSA-Gleason-H-CTCs marker (0.874). CONCLUSIONS The metabolic marker (PGK1/G6PD) is determined as the indicator for the biofunctional activity analysis of CTCs, compared with the existing morphological (EMT) classification on CTCs. The metabolic characterization of CTCs demonstrates that hypermetabolic GM+CTCs are promising biomarkers for prostate cancer metastasis.
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Affiliation(s)
- Jing Chen
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China.,Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shunwang Cao
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China
| | - Bo Situ
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China
| | - Juan Zhong
- Department of Traditional Chinese Medicine, The First People's Hospital of Nanning, Nanning, Guangxi, China
| | - Yanwei Hu
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China
| | - Shufen Li
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China
| | - Jinlan Huang
- Department of Clinical Laboratory, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Jiasen Xu
- SurExam Bio-Tech, Guangzhou Technology Innovation Base, Science City, Guangzhou, Guangdong, China
| | - Shiyang Wu
- SurExam Bio-Tech, Guangzhou Technology Innovation Base, Science City, Guangzhou, Guangdong, China
| | - Jinduan Lin
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China
| | - Qianwen Zhao
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China
| | - Zhen Cai
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China.
| | - Lei Zheng
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China. .,Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Qian Wang
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, 1838 North of Guangzhou Avenue, Guangzhou, 510515, Guangdong, China. .,Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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Bhattacharya R, Ray Chaudhuri S, Roy SS. FGF9-induced ovarian cancer cell invasion involves VEGF-A/VEGFR2 augmentation by virtue of ETS1 upregulation and metabolic reprogramming. J Cell Biochem 2018; 119:8174-8189. [PMID: 29904943 DOI: 10.1002/jcb.26820] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 02/28/2018] [Indexed: 12/15/2022]
Abstract
Ovarian cancer (OC) renders its lethality to enhanced metastasis and late detection. A plethora of growth factors including Vascular Endothelial Growth Factor (VEGF) and Fibroblast Growth Factor (FGF) stimulated signaling pathways regulate the invasive/metastatic behavior of ovarian tumors contributing to its aggressiveness. Autocrine VEGF-functioning by virtue of upregulated VEGFR2 contributes to the invasiveness of OC cells by modulating the MMPs. Studies have highlighted the interaction between FGF and VEGF signaling pathways during angiogenesis. Moreover, the previous involvement of FGF9 in controlling the OC invasiveness prompted us to investigate its role in regulating VEGF-A/VEGFR2 expression that may control the invasive behavior of the cells. Here we demonstrate that, FGF9-induction resulted in the augmentation of VEGF-A/VEGFR2 levels and the subsequent invasion of OC cells through the activation of the ERK-signaling pathway. Moreover, the ETS1 transcription factor was found to enhance the VEGFA/VEGFR2 expression by directly binding to their promoters and facilitated FGF9-dependent elevation of VEGF-signaling which augmented the metastatic potential of OC cells. Enhanced cellular invasiveness was associated with increased aerobic glycolysis, LDH-A expression, and lactate production. Lactate, in turn, controlled VEGF-A/VEGFR2 expression and the resulting cell invasion. Taken together, the augmentation of VEGF-A/VEGFR2 expression and subsequent invasion of OC cells were governed by FGF9-dependent enhancement of both ETS1 and LDH-A/lactate levels. Therefore, this study provides an insight into the mechanism governing elevated VEGF-autocrine functioning in OC that contributes to its invasive/metastatic behavior.
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Affiliation(s)
- Rahul Bhattacharya
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Susri Ray Chaudhuri
- Tata Translational Cancer Research Centre, Tata Medical Centre, Kolkata, India
| | - Sib S Roy
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India.,Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Biology Campus, Kolkata, India
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40
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Teryukova NP, Malkova VV, Sakhenberg EI, Ivanov VA, Bezborodkina NN, Snopov SA. On reprogramming of tumor cells metabolism: detection of glycogen in the cell lines of hepatocellular origin with various degrees of dedifferentiation. Cytotechnology 2018; 70:879-890. [PMID: 29445895 PMCID: PMC5851979 DOI: 10.1007/s10616-018-0200-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 01/24/2018] [Indexed: 01/01/2023] Open
Abstract
The reprogramming of cancer cells includes shifts in glucose and glycogen metabolism. The aim of our work was to check the ability of forming glycogen grains in hepatocellular tumor cell lines of various dedifferentiation levels. We studied the monolayer culture established in vitro after explanting cells from rat ascites Zajdela hepatoma strain C (ZH-C) as a "parental" line and its five daughter clonal sublines: the holoclonal sublines 3H, 5F, 6H and the meroclonal ones 1E, 9C, which possess, respectively, the properties of cancer stem-like cells (CSLCs) and cancer progenitor-like cells (CPLCs). Besides, we studied four permanent cell lines of a rat hepatoma HTC, two murine hepatomas BWTG3 and MH-22a, and human hepatoblastoma HepG2. We used normal rat hepatocytes as positive control cells that form glycogen. We estimated relative cell dedifferentiation levels of the studied lines via analysis of cell morphology, morphometry and motility character on stained cell preparations and lifetime video files. Glycogen in the cells was detected using a Schiff type Au-SO2 reagent. All studied hepatocellular tumor lines were not of equal dedifferentiation level as manifested by different nucleus-to-cytoplasm ratio, by epithelium-like or fibroblast-like morphology, by tight or loosen intercellular contacts, by cell migration of collective or individual types. Glycogen fluorescence of uneven intensity was observed in all normal rat hepatocytes, but only in some cell groups or in single cells of hepatocellular tumor lines. The large or small fluorescent grains were found not only in relatively less dedifferentiated parental ZH-C line, BWTG3 and HepG2 lines, but also in moderately dedifferentiated 1E and HTC lines and even in severely dedifferentiated 3H, 5F and 6H sublines, as well as in the islets of the rat ascites hepatoma induced in vivo by the injection of 3H cells (the tumor-initiating cells). On the other hand, MH-22 and 9C lines, being relatively less and moderately dedifferentiated, showed no glycogen fluorescence. Thus, in 10 tumor cell lines of hepatocellular origin, an ability to reserve glycogen manifested no obvious dependency on their dedifferentiation level. Glycogen grains were detected in some cells even of the severely dedifferentiated lines: in single CSLCs of holoclonal ZH sublines grown in vitro and in a majority of tumor-initiating cells derived from ascites hepatoma in vivo. We suggest that dynamic changes in glycogen formation in CSLCs and tumor-initiating cells might be of importance for their dedifferentiation, self-renewal in vitro, survival and metastasis in vivo. The role of glycogen in maintaining viability and metastasis of tumor cells is to be further studied.
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Affiliation(s)
- Natalya P. Teryukova
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky ave. 4, Saint Petersburg, Russia 194064
| | | | - Elena I. Sakhenberg
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky ave. 4, Saint Petersburg, Russia 194064
| | - Vadim A. Ivanov
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky ave. 4, Saint Petersburg, Russia 194064
| | - Natalia N. Bezborodkina
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky ave. 4, Saint Petersburg, Russia 194064
| | - Sergei A. Snopov
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky ave. 4, Saint Petersburg, Russia 194064
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41
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Wang Y, Yun Y, Wu B, Wen L, Wen M, Yang H, Zhao L, Liu W, Huang S, Wen N, Li Y. FOXM1 promotes reprogramming of glucose metabolism in epithelial ovarian cancer cells via activation of GLUT1 and HK2 transcription. Oncotarget 2018; 7:47985-47997. [PMID: 27351131 PMCID: PMC5216994 DOI: 10.18632/oncotarget.10103] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 05/12/2016] [Indexed: 02/07/2023] Open
Abstract
Cancer cells exhibit the reprogrammed metabolism mainly via aerobic glycolysis, a phenomenon known historically as the Warburg effect; however, the underlying mechanisms remain largely unknown. In this study, we characterized the critical role of transcription factor Forkhead box protein M1 (FOXM1) in aerobic glycolysis of human epithelial ovarian cancer (EOC) and its molecular mechanisms. Our data showed that aberrant expression of FOXM1 significantly contributed to the reprogramming of glucose metabolism in EOC cells. Aerobic glycolysis and cell proliferation were down-regulated in EOC cells when FOXM1 gene expression was suppressed by RNA interference. Moreover, knockdown of FOXM1 in EOC cells significantly reduced glucose transporter 1 (GLUT1) and hexokinase 2 (HK2) expression. FOXM1 bound directly to the GLUT1 and HK2 promoter regions and regulated the promoter activities and the expression of the genes at the transcriptional level. This reveals a novel mechanism by which glucose metabolism is regulated by FOXM1. Importantly, we further demonstrated that the expression levels of FOXM1, GLUT1 and HK2 were significantly increased in human EOC tissues relative to normal ovarian tissues, and that FOXM1 expression was positively correlated with GLUT1 and HK2 expression. Taken together, our results show that FOXM1 promotes reprogramming of glucose metabolism in EOC cells via activation of GLUT1 and HK2 transcription, suggesting that FOXM1 may be an important target in aerobic glycolysis pathway for developing novel anticancer agents.
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Affiliation(s)
- Yu Wang
- Department of Oncology, State Key Discipline of Cell Biology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China.,Institute of Stomatology, Chinese PLA General Hospital, Beijing, China
| | - Yuyu Yun
- State Key Laboratory of Cancer Biology, Cell Engineering Research Center & Department of Cell Biology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Bo Wu
- State Key Laboratory of Cancer Biology, Cell Engineering Research Center & Department of Cell Biology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Li Wen
- Institute of Stomatology, Chinese PLA General Hospital, Beijing, China
| | - Mingling Wen
- Department of Pharmacy, Affiliated Hospital of Academy of Military Medical Sciences, Beijing, China
| | - Huiling Yang
- Institute of Stomatology, Chinese PLA General Hospital, Beijing, China
| | - Lisheng Zhao
- Institute of Stomatology, Chinese PLA General Hospital, Beijing, China
| | - Wenchao Liu
- Department of Oncology, State Key Discipline of Cell Biology, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Suyun Huang
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,Program in Cancer Biology, The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, Texas, USA
| | - Ning Wen
- Institute of Stomatology, Chinese PLA General Hospital, Beijing, China
| | - Yu Li
- State Key Laboratory of Cancer Biology, Cell Engineering Research Center & Department of Cell Biology, The Fourth Military Medical University, Xi'an, Shaanxi, China
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Audrito V, Managò A, La Vecchia S, Zamporlini F, Vitale N, Baroni G, Cignetto S, Serra S, Bologna C, Stingi A, Arruga F, Vaisitti T, Massi D, Mandalà M, Raffaelli N, Deaglio S. Nicotinamide Phosphoribosyltransferase (NAMPT) as a Therapeutic Target in BRAF-Mutated Metastatic Melanoma. J Natl Cancer Inst 2018; 110:290-303. [DOI: 10.1093/jnci/djx198] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
Affiliation(s)
- Valentina Audrito
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Antonella Managò
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Sofia La Vecchia
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Federica Zamporlini
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Nicoletta Vitale
- Department of Molecular Biotechnologies and Health Science, University of Turin, Italy
| | - Gianna Baroni
- Division of Pathological Anatomy, Department of Surgery and Translational Medicine, University of Florence, Italy
| | - Simona Cignetto
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Sara Serra
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Cinzia Bologna
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Aureliano Stingi
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Francesca Arruga
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Tiziana Vaisitti
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
| | - Daniela Massi
- Division of Pathological Anatomy, Department of Surgery and Translational Medicine, University of Florence, Italy
| | - Mario Mandalà
- Unit of Medical Oncology, Department of Oncology and Hematology, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Nadia Raffaelli
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Silvia Deaglio
- Department of Medical Sciences, University of Turin, Italy
- Italian Institute for Genomic Medicine, Turin, Italy
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Ullmann P, Qureshi-Baig K, Rodriguez F, Ginolhac A, Nonnenmacher Y, Ternes D, Weiler J, Gäbler K, Bahlawane C, Hiller K, Haan S, Letellier E. Hypoxia-responsive miR-210 promotes self-renewal capacity of colon tumor-initiating cells by repressing ISCU and by inducing lactate production. Oncotarget 2018; 7:65454-65470. [PMID: 27589845 PMCID: PMC5323168 DOI: 10.18632/oncotarget.11772] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 08/25/2016] [Indexed: 01/01/2023] Open
Abstract
Low oxygen concentrations (hypoxia) are known to affect the cellular metabolism and have been suggested to regulate a subpopulation of cancer cells with tumorigenic properties, the so-called tumor-initiating cells (TICs). To better understand the mechanism of hypoxia-induced TIC activation, we set out to study the role of hypoxia-responsive miRNAs in recently established colon cancer patient-derived TICs. We were able to show that low oxygen concentrations consistently lead to the upregulation of miR-210 in different primary TIC-enriched cultures. Both stable overexpression of miR-210 and knockdown of its target gene ISCU resulted in enhanced TIC self-renewal. We could validate the tumorigenic properties of miR- 210 in in vivo experiments by showing that ectopic expression of miR-210 results in increased tumor incidence. Furthermore, enhanced miR-210 expression correlated with reduced TCA cycle activity and increased lactate levels. Importantly, by blocking lactate production via inhibition of LDHA, we could reverse the promoting effect of miR-210 on self-renewal capacity, thereby emphasizing the regulatory impact of the glycolytic phenotype on colon TIC properties. Finally, by assessing expression levels in patient tissue, we could demonstrate the clinical relevance of the miR-210/ISCU signaling axis for colorectal carcinoma. Taken together, our study highlights the importance of hypoxia-induced miR-210 in the regulation of colon cancer initiation.
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Affiliation(s)
- Pit Ullmann
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Komal Qureshi-Baig
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Fabien Rodriguez
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Aurélien Ginolhac
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | | | - Dominik Ternes
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Jil Weiler
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Karoline Gäbler
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Christelle Bahlawane
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Karsten Hiller
- Luxembourg Centre for Systems Biomedicine, L-4367 Belvaux, Luxembourg
| | - Serge Haan
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Elisabeth Letellier
- Life Sciences Research Unit, University of Luxembourg, L-4367 Belvaux, Luxembourg
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44
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Berberine induces autophagy in glioblastoma by targeting the AMPK/mTOR/ULK1-pathway. Oncotarget 2018; 7:66944-66958. [PMID: 27557493 PMCID: PMC5341849 DOI: 10.18632/oncotarget.11396] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 08/09/2016] [Indexed: 12/31/2022] Open
Abstract
There is an urgent need for new therapeutic strategies for patients with glioblastoma multiforme (GBM). Previous studies have shown that berberine (BBR), a natural plant alkaloid, has potent anti-tumor activity. However, the mechanisms leading to cancer cell death have not been clearly elucidated. In this study, we show that BBR has profound effects on the metabolic state of GBM cells, leading to high autophagy flux and impaired glycolytic capacity. Functionally, these alterations reduce the invasive properties, proliferative potential and induce apoptotic cell death. The molecular alterations preceding these changes are characterized by inhibition of the AMPK/mTOR/ULK1 pathway. Finally, we demonstrate that BBR significantly reduces tumor growth in vivo, demonstrating the potential clinical benefits for autophagy modulating plant alkaloids in cancer therapy.
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Regulation of Tumor Progression by Programmed Necrosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:3537471. [PMID: 29636841 PMCID: PMC5831895 DOI: 10.1155/2018/3537471] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 11/28/2017] [Indexed: 12/12/2022]
Abstract
Rapidly growing malignant tumors frequently encounter hypoxia and nutrient (e.g., glucose) deprivation, which occurs because of insufficient blood supply. This results in necrotic cell death in the core region of solid tumors. Necrotic cells release their cellular cytoplasmic contents into the extracellular space, such as high mobility group box 1 (HMGB1), which is a nonhistone nuclear protein, but acts as a proinflammatory and tumor-promoting cytokine when released by necrotic cells. These released molecules recruit immune and inflammatory cells, which exert tumor-promoting activity by inducing angiogenesis, proliferation, and invasion. Development of a necrotic core in cancer patients is also associated with poor prognosis. Conventionally, necrosis has been thought of as an unregulated process, unlike programmed cell death processes like apoptosis and autophagy. Recently, necrosis has been recognized as a programmed cell death, encompassing processes such as oncosis, necroptosis, and others. Metabolic stress-induced necrosis and its regulatory mechanisms have been poorly investigated until recently. Snail and Dlx-2, EMT-inducing transcription factors, are responsible for metabolic stress-induced necrosis in tumors. Snail and Dlx-2 contribute to tumor progression by promoting necrosis and inducing EMT and oncogenic metabolism. Oncogenic metabolism has been shown to play a role(s) in initiating necrosis. Here, we discuss the molecular mechanisms underlying metabolic stress-induced programmed necrosis that promote tumor progression and aggressiveness.
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46
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Codd AS, Kanaseki T, Torigo T, Tabi Z. Cancer stem cells as targets for immunotherapy. Immunology 2017; 153:304-314. [PMID: 29150846 DOI: 10.1111/imm.12866] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/01/2017] [Accepted: 11/02/2017] [Indexed: 12/11/2022] Open
Abstract
Current cancer therapies target the bulk of the tumour, while a population of highly resistant tumour cells may be able to repopulate the tumour and metastasize to new sites. Cancer cells with such stem cell-like characteristics can be identified based on their phenotypical and/or functional features which may open up ways for their targeted elimination. In this review we discuss potential off-target effects of inhibiting cancer stem-cell self-renewal pathways on immune cells, and summarize some recent immunological studies specifically targeting cancer stem cells based on their unique antigen expression.
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Affiliation(s)
- Amy S Codd
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, UK
| | | | - Toshihiko Torigo
- Department of Pathology, Sapporo Medical University, Sapporo, Japan
| | - Zsuzsanna Tabi
- Division of Cancer and Genetics, School of Medicine, Cardiff University, Cardiff, UK
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47
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Masui K, Kato Y, Sawada T, Mischel PS, Shibata N. Molecular and Genetic Determinants of Glioma Cell Invasion. Int J Mol Sci 2017; 18:E2609. [PMID: 29207533 PMCID: PMC5751212 DOI: 10.3390/ijms18122609] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 11/27/2017] [Accepted: 12/02/2017] [Indexed: 12/21/2022] Open
Abstract
A diffusely invasive nature is a major obstacle in treating a malignant brain tumor, "diffuse glioma", which prevents neurooncologists from surgically removing the tumor cells even in combination with chemotherapy and radiation. Recently updated classification of diffuse gliomas based on distinct genetic and epigenetic features has culminated in a multilayered diagnostic approach to combine histologic phenotypes and molecular genotypes in an integrated diagnosis. However, it is still a work in progress to decipher how the genetic aberrations contribute to the aggressive nature of gliomas including their highly invasive capacity. Here we depict a set of recent discoveries involving molecular genetic determinants of the infiltrating nature of glioma cells, especially focusing on genetic mutations in receptor tyrosine kinase pathways and metabolic reprogramming downstream of common cancer mutations. The specific biology of glioma cell invasion provides an opportunity to explore the genotype-phenotype correlation in cancer and develop novel glioma-specific therapeutic strategies for this devastating disease.
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Affiliation(s)
- Kenta Masui
- Department of Pathology, Tokyo Women's Medical University, Tokyo 162-8666, Japan.
| | - Yoichiro Kato
- Department of Pathology, Tokyo Women's Medical University, Tokyo 162-8666, Japan.
| | - Tatsuo Sawada
- Department of Pathology, Tokyo Women's Medical University, Tokyo 162-8666, Japan.
| | - Paul S Mischel
- Ludwig Institute for Cancer Research, University of California San Diego, La Jolla, CA 92093, USA.
| | - Noriyuki Shibata
- Department of Pathology, Tokyo Women's Medical University, Tokyo 162-8666, Japan.
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48
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Zhang C, Zhang X, Xu R, Huang B, Chen AJ, Li C, Wang J, Li XG. TGF-β2 initiates autophagy via Smad and non-Smad pathway to promote glioma cells' invasion. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2017; 36:162. [PMID: 29145888 PMCID: PMC5689187 DOI: 10.1186/s13046-017-0628-8] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 10/29/2017] [Indexed: 12/21/2022]
Abstract
Background Glioblastoma multiforme (GBM) is characterized by lethal aggressiveness and patients with GBM are in urgent need for new therapeutic avenues to improve quality of life. Current studies on tumor invasion focused on roles of cytokines in tumor microenvironment and numerous evidence suggests that TGF-β2 is abundant in glioma microenvironment and vital for glioma invasion. Autopagy is also emerging as a critical factor in aggressive behaviors of cancer cells; however, the relationship between TGF-β2 and autophagy in glioma has been poorly understood. Methods U251, T98 and U87 GBM cell lines as well as GBM cells from a primary human specimen were used in vitro and in vivo to evaluate the effect of TGF-β2 on autophagy. Western blot, qPCR, immunofluorescence and transmission-electron microscope were used to detect target molecular expression. Lentivirus and siRNA vehicle were introduced to establish cell lines, as well as mitotracker and seahorse experiment to study the metabolic process in glioma. Preclinical therapeutic efficacy was evaluated in orthotopic xenograft mouse models. Results Here we demonstrated that TGF-β2 activated autophagy in human glioma cell lines and knockdown of Smad2 or inhibition of c-Jun NH2-terminal kinase, attenuated TGF-β2-induced autophagy. TGF-β2-induced autophagy is important for glioma invasion due to the alteration of epithelial-mesenchymal transition and metabolism conversion, particularly influencing mitochondria trafficking and membrane potential (△Ψm). Autopaghy also initiated a feedback on TGF-β2 in glioma by keeping its autocrine loop and affecting Smad2/3/7 expression. A xenograft model provided additional confirmation on combination of TGF-β inhibitor (Galunisertib) and autophagy inhibitor (CQ) to better “turn off” tumor growth. Conclusion Our findings elucidated a potential mechanism of autophagy-associated glioma invasion that TGF-β2 could initiate autophagy via Smad and non-Smad pathway to promote glioma cells’ invasion. Electronic supplementary material The online version of this article (10.1186/s13046-017-0628-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chao Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University, 107 Wenhua Western Rd, Jinan, Shandong, 250012, China.,Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China
| | - Xin Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University, 107 Wenhua Western Rd, Jinan, Shandong, 250012, China.,Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China
| | - Ran Xu
- Department of Neurosurgery, Qilu Hospital of Shandong University, 107 Wenhua Western Rd, Jinan, Shandong, 250012, China.,Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China
| | - Bin Huang
- Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China
| | - An-Jing Chen
- Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China
| | - Chao Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, 107 Wenhua Western Rd, Jinan, Shandong, 250012, China.,Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China
| | - Jian Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University, 107 Wenhua Western Rd, Jinan, Shandong, 250012, China. .,Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China. .,Department of Biomedicine, University of Bergen, Bergen, Norway.
| | - Xin-Gang Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, 107 Wenhua Western Rd, Jinan, Shandong, 250012, China. .,Brain Science Research Institute, Shandong University, 44 Wenhuaxi Road, Jinan, China. .,Department of Biomedicine, University of Bergen, Bergen, Norway.
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49
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Zhou X, Xiong ZJ, Xiao SM, Zhou J, Ding Z, Tang LC, Chen XD, Xu R, Zhao P. Overexpression of MPC1 inhibits the proliferation, migration, invasion, and stem cell-like properties of gastric cancer cells. Onco Targets Ther 2017; 10:5151-5163. [PMID: 29123413 PMCID: PMC5661476 DOI: 10.2147/ott.s148681] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Invasion and metastasis are major malignant characteristics of human gastric cancer (GC), but the molecular mechanisms underlying the invasion and metastasis of GC cells remain elusive. MPC1, a key factor that controls pyruvate transportation through the inner mitochondrial membrane, was reported to be downregulated and correlated with poor prognosis in several cancers. However, the effects of MPC1 on human GC have not been illustrated. In this study, we investigated the potential role of MPC1 in the proliferation, migration, invasion, and stem cell-like properties of human GC cells and evaluated its prognostic significance for patients with GC. We found that MPC1 protein and mRNA levels were significantly decreased in GC tissues and cell lines. Low MPC1 expression was associated with tumor T stage, N stage, and advanced tumor node metastasis stage. Decreased MPC1 expression was an independent prognostic marker and correlated with poor overall survival of patients with GC. Furthermore, overexpression of MPC1 inhibited the proliferation, migration, invasion, and stem cell-like properties of GC cells. These findings suggest that MPC1 may be a novel prognostic marker and a potential therapeutic target in human GC.
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Affiliation(s)
- Xiang Zhou
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Zhu-Juan Xiong
- Nutritional Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Shuo-Meng Xiao
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Jin Zhou
- Department of Thoracic Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhi Ding
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Ling-Chao Tang
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Xiao-Dong Chen
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Rui Xu
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
| | - Ping Zhao
- Department of Gastrointestinal Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu
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50
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Ciminera AK, Jandial R, Termini J. Metabolic advantages and vulnerabilities in brain metastases. Clin Exp Metastasis 2017; 34:401-410. [PMID: 29063238 PMCID: PMC5712254 DOI: 10.1007/s10585-017-9864-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Accepted: 10/14/2017] [Indexed: 12/13/2022]
Abstract
Metabolic adaptations permit tumor cells to metastasize to and thrive in the brain. Brain metastases continue to present clinical challenges due to rising incidence and resistance to current treatments. Therefore, elucidating altered metabolic pathways in brain metastases may provide new therapeutic targets for the treatment of aggressive disease. Due to the high demand for glucose in the brain, increased glycolytic activity is favored for energy production. Primary tumors that undergo Warburg-like metabolic reprogramming become suited to growth in the brain microenvironment. Indeed, elevated metabolism is a predictor of metastasis in many cancer subtypes. Specifically, metabolic alterations are seen in primary tumors that are associated with the formation of brain metastases, namely breast cancer, lung cancer, and melanoma. Because of this selective pressure, inhibitors of key metabolic factors may reduce tumor cell viability, thus exploiting metabolic pathways for cancer therapeutics. This review summarizes the metabolic advantages and vulnerabilities of brain metastases.
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Affiliation(s)
- Alexandra K Ciminera
- Irell and Manella Graduate School of Biological Sciences, Beckman Research Institute, City of Hope, Duarte, CA, USA
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Rahul Jandial
- Division of Neurosurgery, Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - John Termini
- Department of Molecular Medicine, Beckman Research Institute, City of Hope, Duarte, CA, USA.
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