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MiR-652-5p elevated glycolysis level by targeting TIGAR in T-cell acute lymphoblastic leukemia. Cell Death Dis 2022; 13:148. [PMID: 35165280 PMCID: PMC8844069 DOI: 10.1038/s41419-022-04600-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 01/17/2022] [Accepted: 01/28/2022] [Indexed: 12/12/2022]
Abstract
The effect of glycolysis remains largely elusive in acute T lymphoblastic leukemia (T-ALL). Increasing evidence has indicated that the dysregulation of miRNAs is involved in glycolysis, by targeting the genes coding glycolysis rate-limiting enzymes. In our previous studies, we found that overexpression of the ARRB1-derived miR-223 sponge repressed T-ALL progress and reduced the expression of miR-652-5p. However, little is known about miR-652-5p on T-ALL. Here, we showed that impaired miR-652-5p expression inhibited growth, promoted apoptosis of T-ALL cells in vitro and prolonged overall survival (OS) in vivo. Based on the GO enrichment of miR-652-5p target genes, we uncovered that impaired miR-652-5p decreased glycolysis, including reduced the lactate, pyruvate, ATP level and the total extracellular acidification rate (ECAR), elevated oxygen consumption rate (OCR) in T-ALL cell lines. Mechanically, miR-652-5p targeted the 3ʹUTR of Tigar mRNA and inhibited its expression. Furthermore, the alteration of glycosis level was attributed to Tigar overexpression, consistent with the effect of impaired miR-652-5p. Additionally, Tigar suppressed the expression of PFKFB3, a glycolysis rate-limiting enzyme, in vivo and in vitro. Taken together, our results demonstrate that impaired miR-652-5p/Tigar axis could repress glycolysis, thus to slow growth of T-ALL cells, which support miR-652-5p as a novel potential drug target for T-ALL therapeutics.
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The Expression of TP53-Induced Glycolysis and Apoptosis Regulator (TIGAR) Can Be Controlled by the Antioxidant Orchestrator NRF2 in Human Carcinoma Cells. Int J Mol Sci 2022; 23:ijms23031905. [PMID: 35163828 PMCID: PMC8836827 DOI: 10.3390/ijms23031905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/02/2022] [Accepted: 02/04/2022] [Indexed: 02/06/2023] Open
Abstract
Hyperactivation of the KEAP1-NRF2 axis is a common molecular trait in carcinomas from different origin. The transcriptional program induced by NRF2 involves antioxidant and metabolic genes that render cancer cells more capable of dealing with oxidative stress. The TP53-Induced Glycolysis and Apoptosis Regulator (TIGAR) is an important regulator of glycolysis and the pentose phosphate pathway that was described as a p53 response gene, yet TIGAR expression is detected in p53-null tumors. In this study we investigated the role of NRF2 in the regulation of TIGAR in human carcinoma cell lines. Exposure of carcinoma cells to electrophilic molecules or overexpression of NRF2 significantly increased expression of TIGAR, in parallel to the known NRF2 target genes NQO1 and G6PD. The same was observed in TP53KO cells, indicating that NRF2-mediated regulation of TIGAR is p53-independent. Accordingly, downregulation of NRF2 decreased the expression of TIGAR in carcinoma cell lines from different origin. As NRF2 is essential in the bone, we used mouse primary osteoblasts to corroborate our findings. The antioxidant response elements for NRF2 binding to the promoter of human and mouse TIGAR were described. This study provides the first evidence that NRF2 controls the expression of TIGAR at the transcriptional level.
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Galindo CM, Oliveira Ganzella FAD, Klassen G, Souza Ramos EAD, Acco A. Nuances of PFKFB3 signaling in breast cancer. Clin Breast Cancer 2022; 22:e604-e614. [DOI: 10.1016/j.clbc.2022.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 12/28/2021] [Accepted: 01/09/2022] [Indexed: 02/08/2023]
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AICAR enhances the cytotoxicity of PFKFB3 inhibitor in an AMPK signaling-independent manner in colorectal cancer cells. Med Oncol 2021; 39:10. [PMID: 34761330 DOI: 10.1007/s12032-021-01601-y] [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: 07/07/2021] [Accepted: 10/21/2021] [Indexed: 12/09/2022]
Abstract
Numerous studies have shown that 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase isoform 3 (PFKFB3), a pivotal enzyme in modulating glycolysis, plays vital roles in various physiological processes. PFKFB3 activity could be regulated by several factors, such as hypoxia and AMPK signaling; however, it could also function as upstream of AMPK signaling. Here, we showed that PFKFB3 inhibitor PFK-15 induced cell viability loss and apoptosis. Deprivation of PFKFB3 inhibited autophagy, while enhanced the ubiquitin-proteasome degradation pathway. Furthermore, PFK-15 reduced both the AMPK and AKT-mTORC1 signaling pathways, as the attenuated phosphorylation level of kinases themselves and their substrates. The addition of AICAR rescued the AMPK activity and autophagy, but enhanced PFK-15-induced cell viability loss. In fact, AICAR promoted the cytotoxicity of PFK-15 even in the AMPKα1/2-silenced cells, indicating AICAR might function in an AMPK-independent manner. Nevertheless, AICAR further reduced the AKT-mTORC1 activity down-regulated by PFK-15. Moreover, it failed to enhance PFK-15's cytotoxicity in the AKT1/2-silenced cells, indicating AKT-mTORC1 participated during these processes. Collectively, the presented data demonstrated that PFK-15 inhibited cell viability, AMPK, and AKT-mTORC1 signaling, and AICAR probably enhanced the cell viability loss aroused by PFK-15 in an AKT-dependent and AMPK-independent manner, thereby revealing a more intimate relationship among PFKFB3, AMPK, and AKT-mTORC1 signaling pathways.
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TP53-Induced Glycolysis and Apoptosis Regulator (TIGAR) Is Upregulated in Lymphocytes Stimulated with Concanavalin A. Int J Mol Sci 2021; 22:ijms22147436. [PMID: 34299056 PMCID: PMC8303789 DOI: 10.3390/ijms22147436] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 02/07/2023] Open
Abstract
The glycolytic modulator TP53-Inducible Glycolysis and Apoptosis Regulator (TIGAR) is overexpressed in several types of cancer and has a role in metabolic rewiring during tumor development. However, little is known about the role of this enzyme in proliferative tissues under physiological conditions. In the current work, we analysed the role of TIGAR in primary human lymphocytes stimulated with the mitotic agent Concanavalin A (ConA). We found that TIGAR expression was induced in stimulated lymphocytes through the PI3K/AKT pathway, since Akti-1/2 and LY294002 inhibitors prevented the upregulation of TIGAR in response to ConA. In addition, suppression of TIGAR expression by siRNA decreased the levels of the proliferative marker PCNA and increased cellular ROS levels. In this model, TIGAR was found to support the activity of glucose 6-phosphate dehydrogenase (G6PDH), the first enzyme of the pentose phosphate pathway (PPP), since the inhibition of TIGAR reduced G6PDH activity and increased autophagy. In conclusion, we demonstrate here that TIGAR is upregulated in stimulated human lymphocytes through the PI3K/AKT signaling pathway, which contributes to the redirection of the carbon flux to the PPP.
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Li L, Zeng H, He X, Chen JX. Sirtuin 3 Alleviates Diabetic Cardiomyopathy by Regulating TIGAR and Cardiomyocyte Metabolism. J Am Heart Assoc 2021; 10:e018913. [PMID: 33586458 PMCID: PMC8174281 DOI: 10.1161/jaha.120.018913] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background Impairment of glycolytic metabolism is suggested to contribute to diabetic cardiomyopathy. In this study, we explored the roles of SIRT3 (Sirtuin 3) on cardiomyocyte glucose metabolism and cardiac function. Methods and Results Exposure of H9c2 cardiomyocyte cell lines to high glucose (HG) (30 mmol/L) resulted in a gradual decrease in SIRT3 and 6‐phosphofructo‐2‐kinase/fructose‐2,6‐bisphosphatase isoform 3 (PFKFB3) expression together with increases in p53 acetylation and TP53‐induced glycolysis and apoptosis regulator (TIGAR) expression. Glycolysis was significantly reduced in the cardiomyocyte exposed to HG. Transfection with adenovirus‐SIRT3 significantly increased PFKFB3 expression and reduced HG‐induced p53 acetylation and TIGAR expression. Overexpression of SIRT3 rescued impaired glycolysis and attenuated HG–induced reactive oxygen species formation and apoptosis. Knockdown of TIGAR in cardiomyocytes by using siRNA significantly increased PFKFB3 expression and glycolysis under hyperglycemic conditions. This was accompanied by a significant suppression of HG–induced reactive oxygen species formation and apoptosis. In vivo, overexpression of SIRT3 by an intravenous jugular vein injection of adenovirus‐SIRT3 resulted in a significant reduction of p53 acetylation and TIGAR expression together with upregulation of PFKFB3 expression in the heart of diabetic db/db mice at day 14. Overexpression of SIRT3 further reduced reactive oxygen species formation and blunted microvascular rarefaction in the diabetic db/db mouse hearts. Overexpression of SIRT3 significantly blunted cardiac fibrosis and hypertrophy and improved cardiac function at day 14. Conclusions Our study demonstrated that SIRT3 attenuated diabetic cardiomyopathy via regulating p53 acetylation and TIGAR expression. Therefore, SIRT3 may be a novel target for abnormal energy metabolism in diabetes mellitus.
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Affiliation(s)
- Lanfang Li
- From the Department of Pharmacology and Toxicology School of Medicine University of Mississippi Medical Center Jackson MS
| | - Heng Zeng
- From the Department of Pharmacology and Toxicology School of Medicine University of Mississippi Medical Center Jackson MS
| | - Xiaochen He
- From the Department of Pharmacology and Toxicology School of Medicine University of Mississippi Medical Center Jackson MS
| | - Jian-Xiong Chen
- From the Department of Pharmacology and Toxicology School of Medicine University of Mississippi Medical Center Jackson MS
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Dianat-Moghadam H, Khalili M, Keshavarz M, Azizi M, Hamishehkar H, Rahbarghazi R, Nouri M. Modulation of LXR signaling altered the dynamic activity of human colon adenocarcinoma cancer stem cells in vitro. Cancer Cell Int 2021; 21:100. [PMID: 33568147 PMCID: PMC7877018 DOI: 10.1186/s12935-021-01803-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 02/03/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The expansion and metastasis of colorectal cancers are closely associated with the dynamic growth of cancer stem cells (CSCs). This study aimed to explore the possible effect of LXR (a regulator of glycolysis and lipid hemostasis) in the tumorgenicity of human colorectal CD133 cells. METHODS Human HT-29 CD133+ cells were enriched by MACS and incubated with LXR agonist (T0901317) and antagonist (SR9243) for 72 h. Cell survival was evaluated using MTT assay and flow cytometric analysis of Annexin-V. The proliferation rate was measured by monitoring Ki-67 positive cells using IF imaging. The modulation of LXR was studied by monitoring the activity of all factors related to ABC transporters using real-time PCR assay and western blotting. Protein levels of metabolic enzymes such as PFKFB3, GSK3β, FASN, and SCD were also investigated upon treatment of CSCs with LXR modulators. The migration of CSCs was monitored after being exposed to LXR agonist using scratch and Transwell insert assays. The efflux capacity was measured using hypo-osmotic conditions. The intracellular content of reactive oxygen species was studied by DCFH-DA staining. RESULTS Data showed incubation of CSCs with T0901317 and SR9243 reduced the viability of CD133 cells in a dose-dependent manner compared to the control group. The activation of LXR up-regulated the expression and protein levels of ABC transporters (ABCA1, ABCG5, and ABCG8) compared to the non-treated cells (p < 0.05). Despite these effects, LXR activation suppressed the proliferation, clonogenicity, and migration of CD133 cells, and increased hypo-osmotic fragility (p < 0.05). We also showed that SR9243 inhibited the proliferation and clonogenicity of CD133 cells through down-regulating metabolic enzymes PFKFB3, GSK3β, FASN, and SCD as compared with the control cells (p < 0.05). Intracellular ROS levels were increased after the inhibition of LXR by SR9243 (p < 0.05). Calling attention, both T0901317 and SR9243 compounds induced apoptotic changes in cancer stem cells (p < 0.05). CONCLUSIONS The regulation of LXR activity can be considered as a selective targeting of survival, metabolism, and migration in CSCs to control the tumorigenesis and metastasis in patients with advanced colorectal cancers.
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Affiliation(s)
- Hassan Dianat-Moghadam
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Khalili
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohsen Keshavarz
- The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Mehdi Azizi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mohammad Nouri
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran. .,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Lin L, Mi Y, Li X, Peng C, Shangguan Z, Li Z, Liu S. Higher plasma concentration of TP53-induced glycolysis and apoptosis regulator is associated with a lower risk of colorectal cancer metastasis. Cancer Manag Res 2018; 11:263-272. [PMID: 30636898 PMCID: PMC6307687 DOI: 10.2147/cmar.s190272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Purpose We aimed to explore the association of plasma TP53-induced glycolysis and apoptosis regulator (TIGAR) level with colorectal cancer (CRC) metastasis. Methods A cross-sectional study of 126 CRC patients was conducted in Xiamen, China. Multivariable logistic regression was used to calculate adjusted OR and 95% CIs of plasma TIGAR concentration for CRC metastasis in different models with adjustment for potential confounders. Area under the curve (AUC) of receiver operating characteristic (ROC) curve was used to evaluate the diagnostic value. Results CRC patients with metastasis showed significantly decreased plasma TIGAR concentration compared to their controls (1.97±0.64 vs 2.49±0.69 ng/mL [log transformed], P=0.002). Higher plasma TIGAR was significantly associated with the decreased risk of CRC metastasis, and the adjusted OR (95% CI) was 0.134 (0.027–0.676, P=0.015) for per SD increase in plasma TIGAR concentration, and the trend test for increasing tertiles showed a negative trend of plasma TIGAR on risk of CRC metastasis (P for trend test: 0.005). Pearson correlation coefficients of plasma TIGAR with other cancer biomarkers (carbohydrate antigen 50 [CA50], carbohydrate antigen 199 [CA199], carbohydrate antigen 125 [CA125], carbohydrate antigen 724 [CA724], carcinoembryonic antigen [CEA], and ferritin [FER]) was low (P>0.05). AUC (95% CI) of ROC curve of plasma TIGAR for CRC metastasis was comparable to the values of cancer biomarkers (all P-values <0.05). Conclusion Higher level of plasma TIGAR was significantly and independently associated with lower risk of CRC metastasis, and its prognostic value on CRC metastasis was comparable to the common cancer biomarkers.
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Affiliation(s)
- Lin Lin
- Central Laboratory, The First Affiliated Hospital of Xiamen University, Xiamen, China, ,
| | - Yanjun Mi
- Division of Oncology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Xun Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Cuixin Peng
- Division of Oncology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Zhaoshui Shangguan
- Central Laboratory, The First Affiliated Hospital of Xiamen University, Xiamen, China, ,
| | - Zhibin Li
- Epidemiology Research Unit, The First Affiliated Hospital of Xiamen University, Xiamen, China,
| | - Suhuan Liu
- Central Laboratory, The First Affiliated Hospital of Xiamen University, Xiamen, China, ,
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Geng J, Yuan X, Wei M, Wu J, Qin ZH. The diverse role of TIGAR in cellular homeostasis and cancer. Free Radic Res 2018; 52:1240-1249. [PMID: 30284488 DOI: 10.1080/10715762.2018.1489133] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
TP53-induced glycolysis and apoptosis regulator (TIGAR) is a p53 target protein that plays critical roles in glycolysis and redox balance. Accumulating evidence shows that TIGAR is highly expressed in cancer. TIGAR redirects glycolysis and promotes carcinoma growth by providing metabolic intermediates and reductive power derived from pentose phosphate pathway (PPP). The expression of TIGAR in cancer is positively associated with chemotherapy resistance, suggesting that TIGAR could be a novel therapeutic target. In this review, we briefly presented the function of TIGAR in metabolic homeostasis in normal and cancer cells. Finally, we discussed the future directions of TIGAR research in cancer.
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Affiliation(s)
- Ji Geng
- a Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, School of Pharmaceutical Sciences , Soochow University , Suzhou , PR China
| | - Xiao Yuan
- b Pathology Department , The First Affiliated Hospital of Soochow University , Suzhou , PR China
| | - Mingzhen Wei
- a Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, School of Pharmaceutical Sciences , Soochow University , Suzhou , PR China
| | - Junchao Wu
- a Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, School of Pharmaceutical Sciences , Soochow University , Suzhou , PR China
| | - Zheng-Hong Qin
- a Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, School of Pharmaceutical Sciences , Soochow University , Suzhou , PR China
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Bartrons R, Simon-Molas H, Rodríguez-García A, Castaño E, Navarro-Sabaté À, Manzano A, Martinez-Outschoorn UE. Fructose 2,6-Bisphosphate in Cancer Cell Metabolism. Front Oncol 2018; 8:331. [PMID: 30234009 PMCID: PMC6131595 DOI: 10.3389/fonc.2018.00331] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 08/01/2018] [Indexed: 01/28/2023] Open
Abstract
For a long time, pioneers in the field of cancer cell metabolism, such as Otto Warburg, have focused on the idea that tumor cells maintain high glycolytic rates even with adequate oxygen supply, in what is known as aerobic glycolysis or the Warburg effect. Recent studies have reported a more complex situation, where the tumor ecosystem plays a more critical role in cancer progression. Cancer cells display extraordinary plasticity in adapting to changes in their tumor microenvironment, developing strategies to survive and proliferate. The proliferation of cancer cells needs a high rate of energy and metabolic substrates for biosynthesis of biomolecules. These requirements are met by the metabolic reprogramming of cancer cells and others present in the tumor microenvironment, which is essential for tumor survival and spread. Metabolic reprogramming involves a complex interplay between oncogenes, tumor suppressors, growth factors and local factors in the tumor microenvironment. These factors can induce overexpression and increased activity of glycolytic isoenzymes and proteins in stromal and cancer cells which are different from those expressed in normal cells. The fructose-6-phosphate/fructose-1,6-bisphosphate cycle, catalyzed by 6-phosphofructo-1-kinase/fructose 1,6-bisphosphatase (PFK1/FBPase1) isoenzymes, plays a key role in controlling glycolytic rates. PFK1/FBpase1 activities are allosterically regulated by fructose-2,6-bisphosphate, the product of the enzymatic activity of the dual kinase/phosphatase family of enzymes: 6-phosphofructo-2-kinase/fructose 2,6-bisphosphatase (PFKFB1-4) and TP53-induced glycolysis and apoptosis regulator (TIGAR), which show increased expression in a significant number of tumor types. In this review, the function of these isoenzymes in the regulation of metabolism, as well as the regulatory factors modulating their expression and activity in the tumor ecosystem are discussed. Targeting these isoenzymes, either directly or by inhibiting their activating factors, could be a promising approach for treating cancers.
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Affiliation(s)
- Ramon Bartrons
- Unitat de Bioquímica, Departament de Ciències Fisiològiques, Universitat de Barcelona, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Catalunya, Spain
| | - Helga Simon-Molas
- Unitat de Bioquímica, Departament de Ciències Fisiològiques, Universitat de Barcelona, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Catalunya, Spain
| | - Ana Rodríguez-García
- Unitat de Bioquímica, Departament de Ciències Fisiològiques, Universitat de Barcelona, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Catalunya, Spain
| | - Esther Castaño
- Centres Científics i Tecnològics, Universitat de Barcelona, Catalunya, Spain
| | - Àurea Navarro-Sabaté
- Unitat de Bioquímica, Departament de Ciències Fisiològiques, Universitat de Barcelona, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Catalunya, Spain
| | - Anna Manzano
- Unitat de Bioquímica, Departament de Ciències Fisiològiques, Universitat de Barcelona, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Catalunya, Spain
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Bartrons R, Rodríguez-García A, Simon-Molas H, Castaño E, Manzano A, Navarro-Sabaté À. The potential utility of PFKFB3 as a therapeutic target. Expert Opin Ther Targets 2018; 22:659-674. [PMID: 29985086 DOI: 10.1080/14728222.2018.1498082] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
INTRODUCTION It has been known for over half a century that tumors exhibit an increased demand for nutrients to fuel their rapid proliferation. Interest in targeting cancer metabolism to treat the disease has been renewed in recent years with the discovery that many cancer-related pathways have a profound effect on metabolism. Considering the recent increase in our understanding of cancer metabolism and the enzymes and pathways involved, the question arises as to whether metabolism is cancer's Achilles heel. Areas covered: This review summarizes the role of 6-Phosphofructo-2-kinase/fructose-2,6-bisphosphatase 3 (PFKFB3) in glycolysis, cell proliferation, and tumor growth, discussing PFKFB3 gene and isoenzyme regulation and the changes that occur in cancer and inflammatory diseases. Pharmacological options currently available for selective PFKFB3 inhibition are also reviewed. Expert opinion: PFKFB3 plays an important role in sustaining the development and progression of cancer and might represent an attractive target for therapeutic strategies. Nevertheless, clinical trials are needed to follow up on the promising results from preclinical studies with PFKFB3 inhibitors. Combination therapies with PFKFB3 inhibitors, chemotherapeutic drugs, or radiotherapy might improve the efficacy of cancer treatments targeting PFKFB3.
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Affiliation(s)
- Ramon Bartrons
- a Unitat de Bioquímica, Departament de Ciències Fisiològiques , Universitat de Barcelona, IDIBELL , Catalunya , Spain
| | - Ana Rodríguez-García
- a Unitat de Bioquímica, Departament de Ciències Fisiològiques , Universitat de Barcelona, IDIBELL , Catalunya , Spain
| | - Helga Simon-Molas
- a Unitat de Bioquímica, Departament de Ciències Fisiològiques , Universitat de Barcelona, IDIBELL , Catalunya , Spain
| | - Esther Castaño
- a Unitat de Bioquímica, Departament de Ciències Fisiològiques , Universitat de Barcelona, IDIBELL , Catalunya , Spain
| | - Anna Manzano
- a Unitat de Bioquímica, Departament de Ciències Fisiològiques , Universitat de Barcelona, IDIBELL , Catalunya , Spain
| | - Àurea Navarro-Sabaté
- a Unitat de Bioquímica, Departament de Ciències Fisiològiques , Universitat de Barcelona, IDIBELL , Catalunya , Spain
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Shi WK, Zhu XD, Wang CH, Zhang YY, Cai H, Li XL, Cao MQ, Zhang SZ, Li KS, Sun HC. PFKFB3 blockade inhibits hepatocellular carcinoma growth by impairing DNA repair through AKT. Cell Death Dis 2018; 9:428. [PMID: 29559632 PMCID: PMC5861039 DOI: 10.1038/s41419-018-0435-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 02/20/2018] [Accepted: 02/21/2018] [Indexed: 12/27/2022]
Abstract
Overexpression of 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3), a key molecule of glucose metabolism in cytoplasm, has been found in various tumors. Emerging evidence has suggested that PFKFB3 is also located in the nucleus and apparent in regulatory functions other than glycolysis. In this study, we found that PFKFB3 expression is associated with hepatocellular carcinoma (HCC) growth and located mainly in the nucleus of tumor cells. PFKFB3 overexpression was associated with large tumor size (p = 0.04) and poor survival of patients with HCC (p = 0.027). Knockdown of PFKFB3 inhibited HCC growth, not only by reducing glucose consumption but also by damaging the DNA repair function, leading to G2/M phase arrest and apoptosis. In animal studies, overexpression of PFKFB3 is associated with increased tumor growth. Mechanistically, PFKFB3 silencing decreased AKT phosphorylation and reduced the expression of ERCC1, which is an important DNA repair protein. Moreover, PFK15, a selective PFKFB3 inhibitor, significantly inhibited tumor growth in a xenograft model of human HCC. PFKFB3 is a potential novel target in the treatment of HCC.
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Affiliation(s)
- Wen-Kai Shi
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Xiao-Dong Zhu
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Cheng-Hao Wang
- Department of Liver Surgery, Fudan University Shanghai Cancer Center, Cancer Hospital, 200032, Shanghai, China
| | - Yuan-Yuan Zhang
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Hao Cai
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Xiao-Long Li
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Man-Qing Cao
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Shi-Zhe Zhang
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Kang-Shuai Li
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China.,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China
| | - Hui-Chuan Sun
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 200032, Shanghai, China. .,Key Laboratory of Carcinogenesis and Cancer Invasion (Fudan University), Ministry of Education, 200032, Shanghai, China.
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13
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PI3K-Akt signaling controls PFKFB3 expression during human T-lymphocyte activation. Mol Cell Biochem 2018; 448:187-197. [PMID: 29435871 DOI: 10.1007/s11010-018-3325-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 02/07/2018] [Indexed: 02/02/2023]
Abstract
Lymphocyte activation is associated with rapid increase of both the glycolytic activator fructose 2,6-bisphosphate (Fru-2,6-P2) and the enzyme responsible for its synthesis, 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFK-2/FBPase-2). PFKFB3 gene, which encodes for the most abundant PFK-2 isoenzyme in proliferating tissues, has been found overexpressed during cell activation in several models, including immune cells. However, there is limited knowledge on the pathways underlying PFKFB3 regulation in human T-lymphocytes, and the role of this gene in human immune response. The aim of this work is to elucidate the molecular mechanisms of PFKFB3 induction during human T-lymphocyte activation by mitotic agents. The results obtained showed PFKFB3 induction during human T-lymphocyte activation by mitogens such as phytohemagglutinin (PHA). PFKFB3 increase occurred concomitantly with GLUT-1, HK-II, and PCNA upregulation, showing that mitotic agents induce a metabolic reprograming process that is required for T-cell proliferation. PI3K-Akt pathway inhibitors, Akti-1/2 and LY294002, reduced PFKFB3 gene induction by PHA, as well as Fru-2,6-P2 and lactate production. Moreover, both inhibitors blocked activation and proliferation in response to PHA, showing the importance of PI3K/Akt signaling pathway in the antigen response of T-lymphocytes. These results provide a link between metabolism and T-cell antigen receptor signaling in human lymphocyte biology that can help to better understand the importance of modulating both pathways to target complex diseases involving the activation of the immune system.
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14
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Peng F, Li Q, Sun JY, Luo Y, Chen M, Bao Y. PFKFB3 is involved in breast cancer proliferation, migration, invasion and angiogenesis. Int J Oncol 2018; 52:945-954. [PMID: 29393396 DOI: 10.3892/ijo.2018.4257] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 12/29/2017] [Indexed: 11/05/2022] Open
Abstract
6-Phosphofructo 2-kinase/fructose 2, 6-bisphosphatase 3 (PFKFB3) has been reported to be overexpressed in human cancer tissues and to promote the proliferation and migration of cancer cells. However, the role of PFKFB3 in the progression and prognosis of breast cancer is not yet fully understood. In the present study, we investigated the specific role of PFKFB3 in breast cancer progression and its preliminary mechanisms of action. We first used an immunohistochemistry assay to determine that PFKFB3 was highly expressed in breast cancer tissues and that this high level of expression was involved in the poor overall survival of patients with breast cancer. In addition, the suppression of PFKFB3 by lentiviruses carrying shRNA against PFKFB3 (shPFKFB3) subsequently inhibited breast cancer cell (MDA-MB-231 and MDA-MB-468) proliferation, migration and invasion, and induced cell cycle G1 and S phase arrest in vitro. Moreover, PFKFB3 inhibition decreased p-AKT and increased p27 expression levels in breast cancer cells. Furthermore, PFKFB3 suppression inhibited breast cancer cell tumor xenograft growth in nude mice. We also found that PFKFB3 inhibition suppressed vascular endothelial growth factor α (VEGFα) protein expression and inhibited the angiogenic activity of human umbilical vein endothelial cells (HUVECs). On the whole, our results indicate that PFKFB3 is involved in the proliferation, migration, invasion and angiogenesis of breast cancer.
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Affiliation(s)
- Fang Peng
- Department of Radiation Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Qiang Li
- Department of Radiation Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Jia-Yuan Sun
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Department of Radiation Oncology, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, P.R. China
| | - Ying Luo
- Department of Clinical Laboratory, Guangdong General Hospital and Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Ming Chen
- Department of Radiation Oncology, Zhejiang Cancer Hospital, Zhejiang Key Laboratory of Radiation Oncology, Hangzhou, Zhejiang 310022, P.R. China
| | - Yong Bao
- Department of Radiation Oncology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
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15
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Gu M, Li L, Zhang Z, Chen J, Zhang W, Zhang J, Han L, Tang M, You B, Zhang Q, You Y. PFKFB3 promotes proliferation, migration and angiogenesis in nasopharyngeal carcinoma. J Cancer 2017; 8:3887-3896. [PMID: 29151977 PMCID: PMC5688943 DOI: 10.7150/jca.19112] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Accepted: 07/19/2017] [Indexed: 12/19/2022] Open
Abstract
Nasopharyngeal carcinoma (NPC) is a squamous epithelial cancer, arising from the nasopharynx epithelium. It has high morbidity and mortality. PFKFB3 as a glycolytic activator has been implicated in the progression of multiple types of tumor. PFKFB3 can be contributed to the progression and metastasis of cancer. However, whether PFKFB3 is associated with the progression of NPC remains unknown. We postulated that PFKFB3 promotes proliferation, migration and angiogenesis in nasopharyngeal carcinoma. In this study, we found that PFKFB3 was significantly up-regulated in NPC tissues and cell lines compared with normal control. Our study proved that PFKFB3 can regulate the proliferation, metastasis and apoptosis of NPC. By the way, the NPC-derived exosomes come from and CNE2-derived exosomes are enriched in PFKFB3. The enrichment of PFKFB3 played a crucial functional role in promotes HUVECs proliferation, migration and angiogenesis. And tumor angiogenesis is closely related to the proliferation and metastasis of tumor. In conclusion, our findings demonstrate that PFKFB3 could act not only as a clinical biomarker for angiogenesis but also as a therapeutic target to overcome angiogenesis, enhancing the clinical benefits of angiogenesis therapy in NPC patients.
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Affiliation(s)
- Miao Gu
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Li Li
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Zhenxin Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Jing Chen
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Wei Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Jie Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Liang Han
- Department of Otorhinolaryngology Head and Neck Surgery, Nantong Tumor Hospital, Nantong
| | - Mingming Tang
- Department of Otorhinolaryngology Head and Neck Surgery, Nantong Tumor Hospital, Nantong
| | - Bo You
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Qicheng Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
| | - Yiwen You
- Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Nantong University, Nantong
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16
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Ko YH, Domingo-Vidal M, Roche M, Lin Z, Whitaker-Menezes D, Seifert E, Capparelli C, Tuluc M, Birbe RC, Tassone P, Curry JM, Navarro-Sabaté À, Manzano A, Bartrons R, Caro J, Martinez-Outschoorn U. TP53-inducible Glycolysis and Apoptosis Regulator (TIGAR) Metabolically Reprograms Carcinoma and Stromal Cells in Breast Cancer. J Biol Chem 2016; 291:26291-26303. [PMID: 27803158 DOI: 10.1074/jbc.m116.740209] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 10/17/2016] [Indexed: 12/11/2022] Open
Abstract
A subgroup of breast cancers has several metabolic compartments. The mechanisms by which metabolic compartmentalization develop in tumors are poorly characterized. TP53 inducible glycolysis and apoptosis regulator (TIGAR) is a bisphosphatase that reduces glycolysis and is highly expressed in carcinoma cells in the majority of human breast cancers. Hence we set out to determine the effects of TIGAR expression on breast carcinoma and fibroblast glycolytic phenotype and tumor growth. The overexpression of this bisphosphatase in carcinoma cells induces expression of enzymes and transporters involved in the catabolism of lactate and glutamine. Carcinoma cells overexpressing TIGAR have higher oxygen consumption rates and ATP levels when exposed to glutamine, lactate, or the combination of glutamine and lactate. Coculture of TIGAR overexpressing carcinoma cells and fibroblasts compared with control cocultures induce more pronounced glycolytic differences between carcinoma and fibroblast cells. Carcinoma cells overexpressing TIGAR have reduced glucose uptake and lactate production. Conversely, fibroblasts in coculture with TIGAR overexpressing carcinoma cells induce HIF (hypoxia-inducible factor) activation with increased glucose uptake, increased 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase-3 (PFKFB3), and lactate dehydrogenase-A expression. We also studied the effect of this enzyme on tumor growth. TIGAR overexpression in carcinoma cells increases tumor growth in vivo with increased proliferation rates. However, a catalytically inactive variant of TIGAR did not induce tumor growth. Therefore, TIGAR expression in breast carcinoma cells promotes metabolic compartmentalization and tumor growth with a mitochondrial metabolic phenotype with lactate and glutamine catabolism. Targeting TIGAR warrants consideration as a potential therapy for breast cancer.
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Affiliation(s)
| | | | | | - Zhao Lin
- From the Department of Medical Oncology
| | | | - Erin Seifert
- the Department of Pathology, Anatomy, and Cell Biology
| | | | | | - Ruth C Birbe
- Department of Pathology, Cooper University Hospital, Camden, New Jersey 08103
| | - Patrick Tassone
- the Department of Otolaryngology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania 19107
| | - Joseph M Curry
- the Department of Otolaryngology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania 19107
| | - Àurea Navarro-Sabaté
- the Department of Physiological Sciences, University of Barcelona, Barcelona 08907, Spain, and
| | - Anna Manzano
- the Department of Physiological Sciences, University of Barcelona, Barcelona 08907, Spain, and
| | - Ramon Bartrons
- the Department of Physiological Sciences, University of Barcelona, Barcelona 08907, Spain, and
| | - Jaime Caro
- the Department of Medicine, Cardeza Foundation for Hematological Research, Thomas Jefferson University, Philadelphia, Pennsylvania 19107
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