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Li Y, Pan Y, Zhao X, Wu S, Li F, Wang Y, Liu B, Zhang Y, Gao X, Wang Y, Zhou H. Peroxisome proliferator-activated receptors: A key link between lipid metabolism and cancer progression. Clin Nutr 2024; 43:332-345. [PMID: 38142478 DOI: 10.1016/j.clnu.2023.12.005] [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: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/26/2023]
Abstract
Lipids represent the essential components of membranes, serve as fuels for high-energy processes, and play crucial roles in signaling and cellular function. One of the key hallmarks of cancer is the reprogramming of metabolic pathways, especially abnormal lipid metabolism. Alterations in lipid uptake, lipid desaturation, de novo lipogenesis, lipid droplets, and fatty acid oxidation in cancer cells all contribute to cell survival in a changing microenvironment by regulating feedforward oncogenic signals, key oncogenic functions, oxidative and other stresses, immune responses, or intercellular communication. Peroxisome proliferator-activated receptors (PPARs) are transcription factors activated by fatty acids and act as core lipid sensors involved in the regulation of lipid homeostasis and cell fate. In addition to regulating whole-body energy homeostasis in physiological states, PPARs play a key role in lipid metabolism in cancer, which is receiving increasing research attention, especially the fundamental molecular mechanisms and cancer therapies targeting PPARs. In this review, we discuss how cancer cells alter metabolic patterns and regulate lipid metabolism to promote their own survival and progression through PPARs. Finally, we discuss potential therapeutic strategies for targeting PPARs in cancer based on recent studies from the last five years.
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Affiliation(s)
- Yunkuo Li
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yujie Pan
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Xiaodong Zhao
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Shouwang Wu
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Faping Li
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yuxiong Wang
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Bin Liu
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yanghe Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Xin Gao
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| | - Honglan Zhou
- Department of Urology, The First Hospital of Jilin University, Changchun 130021, China.
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Teng M, Li Z, Gu Y, Fan Y, Wang D, Liu M, Li Y, Wei G, Huang Y. Real-time monitoring of glucose metabolism and effects of metformin on HepG2 cells using 13C in-cell NMR spectroscopy. Biochem Biophys Res Commun 2024; 694:149383. [PMID: 38150918 DOI: 10.1016/j.bbrc.2023.149383] [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: 07/03/2023] [Revised: 12/02/2023] [Accepted: 12/11/2023] [Indexed: 12/29/2023]
Abstract
Metformin is currently a strong candidate antitumor agent for multiple cancers, and has the potential to inhibit cancer cell viability, growth, and proliferation. Metabolic reprogramming is a critical feature of cancer cells. However, the effects of metformin which targets glucose metabolism on HepG2 cancer cells remain unclear. In this study, to explore the effects of metformin on glucose metabolism in HepG2 cells, we conducted real-time metabolomic monitoring of live HepG2 cells treated with metformin using 13C in-cell NMR spectroscopy. Metabolic tracing with U-13C6-glucose revealed that metformin significantly increased the production of 13C-G3P and 13C-glycerol, which were reported to attenuate liver cancer development, but decreased the production of potential oncogenesis-supportive metabolites, including 13C-lactate, 13C-alanine, 13C-glycine, and 13C-glutamate. Moreover, the expression levels of enzymes associated with the measured metabolites were carried out. The results showed that the levels of ALT1, MCT4, GPD2 and MPC1 were greatly reduced, which were consistent with the changes of measured metabolites in 13C in-cell NMR spectroscopy. Overall, our approach directly provides fundamental insights into the effects of metformin on glucose metabolism in live HepG2 cells, and highlights the potential mechanism of metformin, including the increase in production of G3P and glycerol derived from glucose, as well as the inhibition of glucose incorporation into lactate, alanine, glutamate, and glycine.
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Affiliation(s)
- Muzhou Teng
- Key Laboratory of the Digestive System Tumors of Gansu Province, The Second Clinical Medical College of Lanzhou University, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Zhijia Li
- Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Yanmei Gu
- Key Laboratory of the Digestive System Tumors of Gansu Province, The Second Clinical Medical College of Lanzhou University, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Yitao Fan
- Key Laboratory of the Digestive System Tumors of Gansu Province, The Second Clinical Medical College of Lanzhou University, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Daijun Wang
- Key Laboratory of the Digestive System Tumors of Gansu Province, The Second Clinical Medical College of Lanzhou University, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Meiyu Liu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510100, China
| | - Yumin Li
- Key Laboratory of the Digestive System Tumors of Gansu Province, The Second Clinical Medical College of Lanzhou University, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China.
| | - Gang Wei
- Beijing Key Laboratory of Diabetes Research and Care, Department of Endocrinology, Beijing Diabetes Institute, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China.
| | - Yanjie Huang
- Henan University of Chinese Medicine, Zhengzhou, Henan, 450046, China; Engineering Technology Research Center for Comprehensive Development and Utilization of Authentic Medicinal Materials in Henan Province, Zhengzhou, Henan, 450046, China.
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Sun J, Yu L, Qu X, Huang T. The role of peroxisome proliferator-activated receptors in the tumor microenvironment, tumor cell metabolism, and anticancer therapy. Front Pharmacol 2023; 14:1184794. [PMID: 37251321 PMCID: PMC10213337 DOI: 10.3389/fphar.2023.1184794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 05/05/2023] [Indexed: 05/31/2023] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) have been extensively studied for over 3 decades and consist of three isotypes, including PPARα, γ, and β/δ, that were originally considered key metabolic regulators controlling energy homeostasis in the body. Cancer has become a leading cause of human mortality worldwide, and the role of peroxisome proliferator-activated receptors in cancer is increasingly being investigated, especially the deep molecular mechanisms and effective cancer therapies. Peroxisome proliferator-activated receptors are an important class of lipid sensors and are involved in the regulation of multiple metabolic pathways and cell fate. They can regulate cancer progression in different tissues by activating endogenous or synthetic compounds. This review emphasizes the significance and knowledge of peroxisome proliferator-activated receptors in the tumor microenvironment, tumor cell metabolism, and anti-cancer treatment by summarizing recent research on peroxisome proliferator-activated receptors. In general, peroxisome proliferator-activated receptors either promote or suppress cancer in different types of tumor microenvironments. The emergence of this difference depends on various factors, including peroxisome proliferator-activated receptor type, cancer type, and tumor stage. Simultaneously, the effect of anti-cancer therapy based on drug-targeted PPARs differs or even opposes among the three peroxisome proliferator-activated receptor homotypes and different cancer types. Therefore, the current status and challenges of the use of peroxisome proliferator-activated receptors agonists and antagonists in cancer treatment are further explored in this review.
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Affiliation(s)
- Jiaao Sun
- Department of Urology, First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Liyan Yu
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital, Dalian Medical University, Dalian, Liaoning, China
| | - Xueling Qu
- Dalian Women and Children’s Medical Center(Group), Dalian, Liaoning, China
| | - Tao Huang
- Department of Urology, First Affiliated Hospital, Dalian Medical University, Dalian, China
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Deng Y, Ma J, Zhao S, Yang M, Sun Y, Zhang Q. Expression of glucose transporter-1 in follicular lymphoma affected tumor-infiltrating immunocytes and was related to progression of disease within 24 months. Transl Oncol 2022; 28:101614. [PMID: 36584488 PMCID: PMC9830372 DOI: 10.1016/j.tranon.2022.101614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/11/2022] [Accepted: 12/23/2022] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE Follicular lymphoma (FL) occurring progression within 24 months (POD24) after initial immunochemotherapy has poor prognosis. GLUT1 affects glycolysis within tumor microenvironment (TME) and promotes tumor progression. However, its specific mediated mechanism remains unclear in FL. METHODS Baseline GLUT1 expression, infiltrations of M2 macrophage, and CD8+ T-cells were assessed by immunohistochemistry in FL with POD24 and long-term remission respectively. The spatial features of TME were assessed by MIBI-TOF and proteomics. Predictive immunophenotypes for POD24 occurrence was analyzed by random forest algorithm. The lactate production and the induction of M2 macrophages were detected when GLUT1 was transfected or knocked down in DOHH2. The activation of PI3K/Akt/mTOR signaling in DOHH2 and WSU-FSCCL cells co-cultured with induced inhibitory immunocytes was tracked by western blotting. RESULTS The FL with POD24 exhibited higher baseline GLUT1 expression and increased infiltration of various inhibitory immunocytes. Spatial signatures of 69 immunophenotypes could predict POD24 occurrence. The activation of PI3K/ Akt /mTOR signaling pathway was not significant in both groups. The supernatant of DOHH2-GLUT1 cells which had more lactate content could induce more M2-type macrophages than that of DOHH2/siRNA GLUT1 cells. When co-cultured with exhausted CD8+ T cells, M2-type macrophages and Tregs, compared with WSU-FSCCL cells, DOHH2 cells with high GLUT1 expression induced more M2-type macrophages and was triggered activation of PI3K/ Akt /mTOR signaling pathway. CONCLUSION Tumor cells overexpressing GLUT1 could domesticate immunocytes to form an immunosuppressive TME, which promotes occurrence of POD24 and gradually activates PI3K/ Akt /mTOR pathway of tumor cells in FL. SIGNIFICANCE Tumor cells overexpressing GLUT1 could domesticate immunocytes to form an immunosuppressive microenvironment, which in turn promoted the growth of tumor cells and was related to the progression of disease within 24 months in FL. Suppressive immunocytes gradually activated PI3K/ Akt /mTOR pathway of tumor cells in later stage. Distinguishing spatial features of immunocytes could well predict POD24 occurrence, hoping to benefit these patients from early anti-metabolism therapy based on GLUT1 in the future.
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Affiliation(s)
- Yuwei Deng
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Jianli Ma
- Department of Radiation Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Ming Yang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Yutian Sun
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Qingyuan Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Heilongjiang Cancer Institute, Harbin, Heilongjiang 150081, People's Republic of China,Corresponding author.
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Li Y, Zhu X, Kong M, Chen S, Bao J, Ji Y. Three-Dimensional Microtumor Formation of Infantile Hemangioma-Derived Endothelial Cells for Mechanistic Exploration and Drug Screening. Pharmaceuticals (Basel) 2022; 15:1393. [PMID: 36422523 PMCID: PMC9692769 DOI: 10.3390/ph15111393] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/26/2022] [Accepted: 11/09/2022] [Indexed: 11/07/2023] Open
Abstract
Infantile hemangioma (IH) is the most prevalent type of vascular tumor in infants. The pathophysiology of IH is unknown. The tissue structure and physiology of two-dimensional cell cultures differ greatly from those in vivo, and spontaneous regression often occurs during tumor formation in nude mice and has severely limited research into the pathogenesis and development of IH. By decellularizing porcine aorta, we attempted to obtain vascular-specific extracellular matrix as the bioink for fabricating micropattern arrays of varying diameters via microcontact printing. We then constructed IH-derived CD31+ hemangioma endothelial cell three-dimensional microtumor models. The vascular-specific and decellularized extracellular matrix was suitable for the growth of infantile hemangioma-derived endothelial cells. The KEGG signaling pathway analysis revealed enrichment primarily in stem cell pluripotency, RAS, and PI3KAkt compared to the two-dimensional cell model according to RNA sequencing. Propranolol, the first-line medication for IH, was also used to test the model's applicability. We also found that metformin had some impact on the condition. The three-dimensional microtumor models of CD31+ hemangioma endothelial cells were more robust and efficient experimental models for IH mechanistic exploration and drug screening.
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Affiliation(s)
- Yanan Li
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu 610041, China
- Med-X Center for Informatics, Sichuan University, Chengdu 610041, China
| | - Xinglong Zhu
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Meng Kong
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu 610041, China
- Med-X Center for Informatics, Sichuan University, Chengdu 610041, China
| | - Siyuan Chen
- Pediatric Intensive Care Unit, Department of Critical Care Medicine, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Ji Bao
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, NHC, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yi Ji
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu 610041, China
- Med-X Center for Informatics, Sichuan University, Chengdu 610041, China
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Wagner N, Wagner KD. Peroxisome Proliferator-Activated Receptors and the Hallmarks of Cancer. Cells 2022; 11:cells11152432. [PMID: 35954274 PMCID: PMC9368267 DOI: 10.3390/cells11152432] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 12/11/2022] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) function as nuclear transcription factors upon the binding of physiological or pharmacological ligands and heterodimerization with retinoic X receptors. Physiological ligands include fatty acids and fatty-acid-derived compounds with low specificity for the different PPAR subtypes (alpha, beta/delta, and gamma). For each of the PPAR subtypes, specific pharmacological agonists and antagonists, as well as pan-agonists, are available. In agreement with their natural ligands, PPARs are mainly focused on as targets for the treatment of metabolic syndrome and its associated complications. Nevertheless, many publications are available that implicate PPARs in malignancies. In several instances, they are controversial for very similar models. Thus, to better predict the potential use of PPAR modulators for personalized medicine in therapies against malignancies, it seems necessary and timely to review the three PPARs in relation to the didactic concept of cancer hallmark capabilities. We previously described the functions of PPAR beta/delta with respect to the cancer hallmarks and reviewed the implications of all PPARs in angiogenesis. Thus, the current review updates our knowledge on PPAR beta and the hallmarks of cancer and extends the concept to PPAR alpha and PPAR gamma.
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Affiliation(s)
- Nicole Wagner
- Correspondence: (N.W.); (K.-D.W.); Tel.: +33-489-153-713 (K.-D.W.)
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Xu Y, Chai B, Wang X, Wu Z, Gu Z, Liu X, Zhao Y, Chen T, Ma Z, Sun Q. miRNA-199a-5p/SLC2A1 axis regulates glucose metabolism in non-small cell lung cancer. J Cancer 2022; 13:2352-2361. [PMID: 35517408 PMCID: PMC9066207 DOI: 10.7150/jca.67990] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 03/06/2022] [Indexed: 12/22/2022] Open
Abstract
Lung cancer is acknowledged as a common cancer with high morbidity and mortality. MicroRNAs (miRNAs), kind of non-coding single-stranded RNA molecules, can be used in cancer clinical treatments. In this research, miR-199a-5p was seen lowly expressed in NSCLC sera samples. miR-199a-5p suppressed the cell proliferation, migration and arrested cell cycle in NSCLC cell lines. The results showed that SLC2A1 (glucose transporter 1, GLUT1) was a direct target of miR-199a-5p. Downregulation of SLC2A1 could not only inhibit cell proliferation, migration and cell cycle, but also promote cell apoptosis. The data suggests that miR-199a-5p can inhibit glucose metabolism in NSCLC by targeting SLC2A1.This study proves that miR-199a-5p / SLC2A1 can play an essential role in the development of NSCLC by targeting SLC2A1. It puts forward a new approach for clinical treatments of NSCLC.
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Affiliation(s)
- Yikun Xu
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China
| | - Binshu Chai
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China
| | - Xianyi Wang
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China
| | - Zong Wu
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China
| | - Zhitao Gu
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Xiaomin Liu
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China.,Shanghai New Tobacco Product Research Institute, Shanghai, 201315, China
| | - Yiqi Zhao
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China
| | - Tangbing Chen
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Zhongliang Ma
- Lab for Noncoding RNA & Cancer, School of Life Sciences, Shanghai University, 200444, China
| | - Qiangling Sun
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, China.,Thoracic Cancer institute, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, China
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Liu Y, Wang S, Pan S, Yan Q, Li Y, Zhao Y. Circ_0000463 contributes to the progression and glutamine metabolism of non-small-cell lung cancer by targeting miR-924/SLC1A5 signaling. J Clin Lab Anal 2021; 36:e24116. [PMID: 34811815 PMCID: PMC8761414 DOI: 10.1002/jcla.24116] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 12/19/2022] Open
Abstract
Background Circular RNAs (circRNAs) have shown pivotal regulatory roles in the pathology of non‐small cell lung cancer (NSCLC). However, the role of circ_0000463 in NSCLC progression and its associated molecular mechanism remain to be illustrated. Methods Cell proliferation ability was analyzed by colony formation assay and 5‐ethynyl‐2’‐deoxyuridine (EdU) assay. Cell migration and invasion abilities were assessed by scratch test and transwell invasion assay. Flow cytometry was employed to analyze cell apoptotic rate. The interaction between microRNA‐924 (miR‐924) and circ_0000463 or solute carrier family 1 member 5 (SLC1A5) was confirmed by dual‐luciferase reporter assay and RNA immunoprecipitation (RIP) assay. The uptake of glutamine and the production of glutamate and α‐ketoglutarate were analyzed using their corresponding kits. Xenograft model in vivo was established to analyze the role of circ_0000463 in tumor growth. Results Circ_0000463 expression was elevated in NSCLC tissues and cell lines. Circ_0000463 knockdown suppressed the proliferation, migration, and invasion and promoted the apoptosis of NSCLC cells. Circ_0000463 acted as a molecular sponge for miR‐924, and circ_0000463 interference‐mediated anti‐tumor effects were largely reversed by the silence of miR‐924 in NSCLC cells. miR‐924 interacted with the 3’ untranslated region (3’UTR) of SLC1A5, and SLC1A5 overexpression largely overturned miR‐924 overexpression‐mediated anti‐tumor effects in NSCLC cells. Moreover, circ_0000463 absence suppressed the glutamine metabolism of NSCLC cells by targeting miR‐924/SLC1A5 axis. Circ_0000463 knockdown suppressed xenograft tumor growth in vivo. Conclusion Circ_0000463 absence suppressed the malignant behaviors and glutamine metabolism of NSCLC cells through mediating miR‐924/SLC1A5 axis.
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Affiliation(s)
- Yunzhong Liu
- Department of Cardio and Thoracic Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Shujun Wang
- Department of Cardio and Thoracic Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Songli Pan
- Department of Orthopaedic, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Qingfeng Yan
- Department of Pathophysiology, Hainan Medical College, Haikou, China
| | - Yueping Li
- Department of Histology and Embryology, Hainan Medical College, Haikou, China
| | - Ying Zhao
- Department of Cardio and Thoracic Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, China
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Ding J, Gou Q, Jia X, Liu Q, Jin J, Shi J, Hou Y. AMPK phosphorylates PPARδ to mediate its stabilization, inhibit glucose and glutamine uptake and colon tumor growth. J Biol Chem 2021; 297:100954. [PMID: 34270958 PMCID: PMC8397901 DOI: 10.1016/j.jbc.2021.100954] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/25/2021] [Accepted: 07/09/2021] [Indexed: 12/25/2022] Open
Abstract
Peroxisome proliferator-activated receptor δ (PPARδ) is a nuclear receptor transcription factor that plays an important role in the regulation of metabolism, inflammation, and cancer. In addition, the nutrient-sensing kinase 5'AMP-activated protein kinase (AMPK) is a critical regulator of cellular energy in coordination with PPARδ. However, the molecular mechanism of the AMPK/PPARδ pathway on cancer progression is still unclear. Here, we found that activated AMPK induced PPARδ-S50 phosphorylation in cancer cells, whereas the PPARδ/S50A (nonphosphorylation mimic) mutant reversed this event. Further analysis showed that the PPARδ/S50E (phosphorylation mimic) but not the PPARδ/S50A mutant increased PPARδ protein stability, which led to reduced p62/SQSTM1-mediated degradation of misfolded PPARδ. Furthermore, PPARδ-S50 phosphorylation decreased PPARδ transcription activity and alleviated PPARδ-mediated uptake of glucose and glutamine in cancer cells. Soft agar and xenograft tumor model analysis showed that the PPARδ/S50E mutant but not the PPARδ/S50A mutant inhibited colon cancer cell proliferation and tumor growth, which was associated with inhibition of Glut1 and SLC1A5 transporter protein expression. These findings reveal a new mechanism of AMPK-induced PPARδ-S50 phosphorylation, accumulation of misfolded PPARδ protein, and inhibition of PPARδ transcription activity contributing to the suppression of colon tumor formation.
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Affiliation(s)
- Jiajun Ding
- School of Life Sciences, Jiangsu University, Zhenjiang, PR China
| | - Qian Gou
- School of Medicine, Jiangsu University, Zhenjiang, PR China
| | - Xiao Jia
- School of Life Sciences, Jiangsu University, Zhenjiang, PR China
| | - Qian Liu
- Department of Oncology, Affiliated Wujin People's Hospital, Jiangsu University, Changzhou, PR China
| | - Jianhua Jin
- Department of Oncology, Affiliated Wujin People's Hospital, Jiangsu University, Changzhou, PR China
| | - Juanjuan Shi
- School of Life Sciences, Jiangsu University, Zhenjiang, PR China.
| | - Yongzhong Hou
- School of Life Sciences, Jiangsu University, Zhenjiang, PR China.
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Zhang R, Zhang Y, Xin X, Huang G, Zhang N, Zeng Q, Tang L, Attaribo T, Lee KS, Jin BR, Gui Z. Dual-Targeting Antiproliferation Hybrids Derived from 1-Deoxynojirimycin and Kaempferol Induce MCF-7 Cell Apoptosis through the Mitochondria-Mediated Pathway. JOURNAL OF NATURAL PRODUCTS 2021; 84:1534-1543. [PMID: 33979163 DOI: 10.1021/acs.jnatprod.1c00014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
1-Deoxynojirimycin, an α-glucosidase inhibitor, possesses various biological activities such as antitumor, antidiabetic, and antiviral effects. However, the application of 1-deoxynojirimycin is restricted by its poor lipophilicity and low bioavailability. In this study, three 1-deoxynojirimycin derivatives (8-10) comprising 1-deoxynojirimycin and kaempferol were designed and synthesized to modify their pharmacokinetics and improve their antitumor efficacy. Among them, compound 10, a conjugate of 1-deoxynojirimycin and kaempferol linked through an undecane chain, exhibited excellent lipophilicity, antiproliferative effects, and α-glucosidase inhibitory activity. Compared with 1-deoxynojirimycin, kaempferol, and their combination, compound 10 downregulated cyclooxygenase-2 (COX-2) expression, arrested the cell cycle at the S phase, induced cellular apoptosis, and inhibited the migration of MCF-7 cells. Moreover, further investigation indicated that compound 10 induced MCF-7 cell apoptosis through a mitochondrial-mediated pathway via the loss of mitochondrial membrane potential. This led to increasing intracellular levels of reactive oxygen species (ROS) and Ca2+, the downregulation of Bcl-2 expression, and the upregulation of Bax levels.
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Affiliation(s)
- Ran Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Yueyue Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Xiangdong Xin
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Gaiqun Huang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
- Sericultural Research Institute, Sichuan Academy of Agricultural Sciences, Nanchong, Sichuan 637000, People's Republic of China
| | - Ning Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Qinglei Zeng
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Liumei Tang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Thomas Attaribo
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
| | - Kwang Sik Lee
- College of Natural Resources and Life Science, Dong-A University, Busan 49315, Republic of Korea
| | - Byung Rae Jin
- College of Natural Resources and Life Science, Dong-A University, Busan 49315, Republic of Korea
| | - Zhongzheng Gui
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212100, People's Republic of China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212100, People's Republic of China
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11
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Bai B, Chen H. Metformin: A Novel Weapon Against Inflammation. Front Pharmacol 2021; 12:622262. [PMID: 33584319 PMCID: PMC7880161 DOI: 10.3389/fphar.2021.622262] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/04/2021] [Indexed: 12/11/2022] Open
Abstract
It has become widely accepted that inflammation is a driving force behind a variety of chronic diseases, such as cardiovascular disease, diabetes, kidney disease, cancer, neurodegenerative disorders, etc. However, the existing nonsteroidal anti-inflammatory drugs show a limited utility in clinical patients. Therefore, the novel agents with different inflammation-inhibitory mechanisms are worth pursuing. Metformin, a synthetic derivative of guanidine, has a history of more than 50 years of clinical experience in treating patients with type 2 diabetes. Intense research efforts have been dedicated to proving metformin’s inflammation-inhibitory effects in cells, animal models, patient records, and randomized clinical trials. The emerging evidence also indicates its therapeutic potential in clinical domains other than type 2 diabetes. Herein, this article appraises current pre-clinical and clinical findings, emphasizing metformin’s anti-inflammatory properties under individual pathophysiological scenarios. In summary, the anti-inflammatory effects of metformin are evident in pre-clinical models. By comparison, there are still clinical perplexities to be addressed in repurposing metformin to inflammation-driven chronic diseases. Future randomized controlled trials, incorporating better stratification/targeting, would establish metformin’s utility in this clinical setting.
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Affiliation(s)
- Bo Bai
- Department of Cardiology, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Haibo Chen
- Department of Cardiology, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
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12
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Kahya U, Köseer AS, Dubrovska A. Amino Acid Transporters on the Guard of Cell Genome and Epigenome. Cancers (Basel) 2021; 13:E125. [PMID: 33401748 PMCID: PMC7796306 DOI: 10.3390/cancers13010125] [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: 12/01/2020] [Revised: 12/26/2020] [Accepted: 12/27/2020] [Indexed: 02/06/2023] Open
Abstract
Tumorigenesis is driven by metabolic reprogramming. Oncogenic mutations and epigenetic alterations that cause metabolic rewiring may also upregulate the reactive oxygen species (ROS). Precise regulation of the intracellular ROS levels is critical for tumor cell growth and survival. High ROS production leads to the damage of vital macromolecules, such as DNA, proteins, and lipids, causing genomic instability and further tumor evolution. One of the hallmarks of cancer metabolism is deregulated amino acid uptake. In fast-growing tumors, amino acids are not only the source of energy and building intermediates but also critical regulators of redox homeostasis. Amino acid uptake regulates the intracellular glutathione (GSH) levels, endoplasmic reticulum stress, unfolded protein response signaling, mTOR-mediated antioxidant defense, and epigenetic adaptations of tumor cells to oxidative stress. This review summarizes the role of amino acid transporters as the defender of tumor antioxidant system and genome integrity and discusses them as promising therapeutic targets and tumor imaging tools.
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Affiliation(s)
- Uğur Kahya
- OncoRay–National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01309 Dresden, Germany; (U.K.); (A.S.K.)
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, 01328 Dresden, Germany
| | - Ayşe Sedef Köseer
- OncoRay–National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01309 Dresden, Germany; (U.K.); (A.S.K.)
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, 01328 Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany
| | - Anna Dubrovska
- OncoRay–National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, 01309 Dresden, Germany; (U.K.); (A.S.K.)
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology-OncoRay, 01328 Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
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13
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Ahmadi M, Amiri S, Pecic S, Machaj F, Rosik J, Łos MJ, Alizadeh J, Mahdian R, da Silva Rosa SC, Schaafsma D, Shojaei S, Madrakian T, Zeki AA, Ghavami S. Pleiotropic effects of statins: A focus on cancer. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165968. [PMID: 32927022 DOI: 10.1016/j.bbadis.2020.165968] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/21/2020] [Accepted: 09/07/2020] [Indexed: 02/07/2023]
Abstract
The statin drugs ('statins') potently inhibit hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase by competitively blocking the active site of the enzyme. Statins decrease de novo cholesterol biosynthesis and thereby reduce plasma cholesterol levels. Statins exhibit "pleiotropic" properties that are independent of their lipid-lowering effects. For example, preclinical evidence suggests that statins inhibit tumor growth and induce apoptosis in specific cancer cell types. Furthermore, statins show chemo-sensitizing effects by impairing Ras family GTPase signaling. However, whether statins have clinically meaningful anti-cancer effects remains an area of active investigation. Both preclinical and clinical studies on the potential mechanisms of action of statins in several cancers have been reviewed in the literature. Considering the contradictory data on their efficacy, we present an up-to-date summary of the pleiotropic effects of statins in cancer therapy and review their impact on different malignancies. We also discuss the synergistic anti-cancer effects of statins when combined with other more conventional anti-cancer drugs to highlight areas of potential therapeutic development.
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Affiliation(s)
- Mazaher Ahmadi
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Shayan Amiri
- Division of Neurodegenerative Disorders, St Boniface Hospital Albrechtsen Research Centre, R4046 - 351 Taché Ave, Winnipeg, Manitoba R2H 2A6, Canada; Department of Pharmacology and Therapeutics, University of Manitoba, Winnipeg, MB, Canada
| | - Stevan Pecic
- Department of Chemistry and Biochemistry, California State University Fullerton, CA, USA
| | - Filip Machaj
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada; Department of Pathology, Pomeranian Medical University in Szczecin, Poland
| | - Jakub Rosik
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada; Department of Pathology, Pomeranian Medical University in Szczecin, Poland
| | - Marek J Łos
- Biotechnology Center, Silesian University of Technology, Gliwice, Poland
| | - Javad Alizadeh
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada; Biology of Breathing Theme, Children Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Canada
| | - Reza Mahdian
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Simone C da Silva Rosa
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada
| | | | - Shahla Shojaei
- College of Pharmacy, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Tayyebeh Madrakian
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Amir A Zeki
- University of California, Davis School of Medicine. Division of Pulmonary, Critical Care, and Sleep Medicine. U.C. Davis Lung Center, Davis, California, USA; Veterans Affairs Medical Center, Mather, California, USA
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada; Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran; Research Institute of Oncology and Hematology, Cancer Care Manitoba, University of Manitoba, Winnipeg, Canada.
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14
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Cao N, Lu Y, Liu J, Cai F, Xu H, Chen J, Zhang X, Hua ZC, Zhuang H. Metformin Synergistically Enhanced the Antitumor Activity of Celecoxib in Human Non-Small Cell Lung Cancer Cells. Front Pharmacol 2020; 11:1094. [PMID: 32792943 PMCID: PMC7387512 DOI: 10.3389/fphar.2020.01094] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 07/06/2020] [Indexed: 12/25/2022] Open
Abstract
Celecoxib has potential as an effective antineoplastic agent, but it may exhibit side effects. Given the glucose-addicted properties of tumor cells, metformin is recognized for its inhibitory effect on oxidative phosphorylation. In the present study, we aimed to combine low dose of celecoxib with metformin to alleviate the side effects of nonsteroidal anti-inflammatory drugs (NSAIDs) and overcome potential drug resistance. We found that celecoxib combined with metformin obviously suppressed cell migration and proliferation and induced cell apoptosis. Most importantly, in vivo experiments revealed the superior antitumor efficacy of combination treatment with a low dosage of celecoxib (25 mg/kg/day) without apparent toxicity. Further study of the underlying mechanism revealed that the two drugs in combination caused ROS aggregation in NSCLC cells, leading to DNA double-strand breaks and increased expression of the tumor suppressor factor p53. Elevated p53 subsequently caused cell cycle arrest and cell proliferation inhibition. The presence of metformin also sensitized NSCLC cells to celecoxib-induced apoptosis by activating caspase-9, -8, -3, and -7, upregulating the pro-apoptotic proteins Bad and Bax, and downregulating the antiapoptotic proteins Bcl-xl and Bcl-2. Moreover, the superior anticancer effect of combined therapy was also due to suppression of Raf-MEK-ERK cascades and PI3K-AKT signaling, which is conducive to overcoming drug resistance. In addition, either celecoxib alone or in combination with metformin suppressed NSCLC cell migration and invasion by inhibiting FAK, N-cadherin, and matrix metalloproteinase-9 activities. Together, our study provided a rational combination strategy with a low dosage of celecoxib and metformin for preclinical cancer application.
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Affiliation(s)
- Nini Cao
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Yanyan Lu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Jia Liu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Fangfang Cai
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Huangru Xu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Jia Chen
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Xiangyu Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
| | - Zi-Chun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China.,Changzhou High-Tech Research Institute of Nanjing University and Jiangsu TargetPharma Laboratories Inc., Changzhou, China
| | - Hongqin Zhuang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, China
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15
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Xue M, Hong W, Jiang J, Zhao F, Gao X. Circular RNA circ-LDLRAD3 serves as an oncogene to promote non-small cell lung cancer progression by upregulating SLC1A5 through sponging miR-137. RNA Biol 2020; 17:1811-1822. [PMID: 32658600 DOI: 10.1080/15476286.2020.1789819] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Circular RNAs (circRNAs) are closely associated with the development of non-small cell lung cancer (NSCLC); however, it is still unclear whether circular RNA circ-LDLRAD3 participated in the regulation of NSCLC progression. In this study, we found that circ-LDLRAD3 was high-expressed and miR-137 was low-expressed in NSCLC tissues and cells compared to their normal counterparts, which showed negative correlations in NSCLC tissues. Further experiments validated that miR-137 could be sponged and inhibited by circ-LDLRAD3 in NSCLC cells. In addition, knock-down of circ-LDLRAD3 and miR-137 overexpression promoted NSCLC cell apoptosis, and inhibited cell proliferation and invasion. Similarly, upregulation of circ-LDLRAD3 or miR-137 ablation had opposite effects on the above cell functions. Besides, the glutamine transporter SLC1A5 was validated to be the downstream target of circ-LDLRAD3 and miR-137, and upregulated circ-LDLRAD3 increased SLC1A5 expression levels by downregulating miR-137. Furthermore, the effects of downregulated circ-LDLRAD3 on cell proliferation, apoptosis and mobility were all reversed by knocking down miR-137 and overexpressing SLC1A5. Taken together, this in vitro study found that knock-down of circ-LDLRAD3 inhibited the development of NSCLC by regulating miR-137/SLC1A5 axis.
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Affiliation(s)
- Min Xue
- Department of Respiratory Medicine, Minhang Hospital, Fudan University , Shanghai, China
| | - Weijun Hong
- Department of Respiratory Medicine, Minhang Hospital, Fudan University , Shanghai, China
| | - Jun Jiang
- State Key Laboratory of Genetic Engineering, Shanghai Engineering Research Center of Industrial Microorganisms, School of Life Science, Fudan University , Shanghai, China
| | - Fang Zhao
- Department of Laboratory, Minhang Hospital, Fudan University , Shanghai, China
| | - Xiwen Gao
- Department of Respiratory Medicine, Minhang Hospital, Fudan University , Shanghai, China
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16
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Kadayat TM, Shrestha A, Jeon YH, An H, Kim J, Cho SJ, Chin J. Targeting Peroxisome Proliferator-Activated Receptor Delta (PPARδ): A Medicinal Chemistry Perspective. J Med Chem 2020; 63:10109-10134. [DOI: 10.1021/acs.jmedchem.9b01882] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tara Man Kadayat
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Aarajana Shrestha
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Yong Hyun Jeon
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
- Leading-edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Daegu 41404, Republic of Korea
| | - Hongchan An
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Jina Kim
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Sung Jin Cho
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
- Leading-edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Daegu 41404, Republic of Korea
| | - Jungwook Chin
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
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17
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Wagner N, Wagner KD. PPAR Beta/Delta and the Hallmarks of Cancer. Cells 2020; 9:cells9051133. [PMID: 32375405 PMCID: PMC7291220 DOI: 10.3390/cells9051133] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 12/17/2022] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) belong to the nuclear hormone receptor family. Three different isoforms, PPAR alpha, PPAR beta/delta and PPAR gamma have been identified. They all form heterodimers with retinoic X receptors to activate or repress downstream target genes dependent on the presence/absence of ligands and coactivators or corepressors. PPARs differ in their tissue expression profile, ligands and specific agonists and antagonists. PPARs attract attention as potential therapeutic targets for a variety of diseases. PPAR alpha and gamma agonists are in clinical use for the treatment of dyslipidemias and diabetes. For both receptors, several clinical trials as potential therapeutic targets for cancer are ongoing. In contrast, PPAR beta/delta has been suggested as a therapeutic target for metabolic syndrome. However, potential risks in the settings of cancer are less clear. A variety of studies have investigated PPAR beta/delta expression or activation/inhibition in different cancer cell models in vitro, but the relevance for cancer growth in vivo is less well documented and controversial. In this review, we summarize critically the knowledge of PPAR beta/delta functions for the different hallmarks of cancer biological capabilities, which interplay to determine cancer growth.
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18
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Barbosa AM, Martel F. Targeting Glucose Transporters for Breast Cancer Therapy: The Effect of Natural and Synthetic Compounds. Cancers (Basel) 2020; 12:cancers12010154. [PMID: 31936350 PMCID: PMC7016663 DOI: 10.3390/cancers12010154] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 02/07/2023] Open
Abstract
Reprogramming of cellular energy metabolism is widely accepted to be a cancer hallmark. The deviant energetic metabolism of cancer cells-known as the Warburg effect-consists in much higher rates of glucose uptake and glycolytic oxidation coupled with the production of lactic acid, even in the presence of oxygen. Consequently, cancer cells have higher glucose needs and thus display a higher sensitivity to glucose deprivation-induced death than normal cells. So, inhibitors of glucose uptake are potential therapeutic targets in cancer. Breast cancer is the most commonly diagnosed cancer and a leading cause of cancer death in women worldwide. Overexpression of facilitative glucose transporters (GLUT), mainly GLUT1, in breast cancer cells is firmly established, and the consequences of GLUT inhibition and/or knockout are under investigation. Herein we review the compounds, both of natural and synthetic origin, found to interfere with uptake of glucose by breast cancer cells, and the consequences of interference with that mechanism on breast cancer cell biology. We will also present data where the interaction with GLUT is exploited in order to increase the efficiency or selectivity of anticancer agents, in breast cancer cells.
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Affiliation(s)
- Ana M. Barbosa
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4169-007 Porto, Portugal;
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
- Correspondence: ; Tel.: +351-22-042-6654
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