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Li Y, Xie Z, Lei X, Yang X, Huang S, Yuan W, Deng X, Wang Z, Tang G. Recent advances in pyruvate dehydrogenase kinase inhibitors: Structures, inhibitory mechanisms and biological activities. Bioorg Chem 2024; 144:107160. [PMID: 38301426 DOI: 10.1016/j.bioorg.2024.107160] [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: 01/08/2024] [Revised: 01/23/2024] [Accepted: 01/27/2024] [Indexed: 02/03/2024]
Abstract
Metabolism is reprogrammed in a variety of cancer cells to ensure their rapid proliferation. Cancer cells prefer to utilize glycolysis to produce energy as well as to provide large amounts of precursors for their division. In this process, cancer cells inhibit the activity of pyruvate dehydrogenase complex (PDC) by upregulating the expression of pyruvate dehydrogenase kinases (PDKs). Inhibiting the activity of PDKs in cancer cells can effectively block this metabolic transition in cancer cells, while also activating mitochondrial oxidative metabolism and promoting apoptosis of cancer cells. To this day, the study of PDKs inhibitors has become one of the research hotspots in the field of medicinal chemistry. Novel structures targeting PDKs are constantly being discovered, and some inhibitors have entered the clinical research stage. Here, we reviewed the research progress of PDKs inhibitors in recent years and classified them according to the PDKs binding sites they acted on, aiming to summarize the structural characteristics of inhibitors acting on different binding sites and explore their clinical application value. Finally, the shortcomings of some PDKs inhibitors and the further development direction of PDKs inhibitors are discussed.
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Affiliation(s)
- Yiyang Li
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Zhizhong Xie
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Xiaoyong Lei
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Xiaoyan Yang
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Sheng Huang
- Jiuzhitang Co., Ltd, Changsha, Hunan 410007, China
| | - Weixi Yuan
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Xiangping Deng
- The First Affiliated Hospital, Department of Pharmacy, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
| | - Zhe Wang
- The Second Affiliated Hospital, Department of Pharmacy, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
| | - Guotao Tang
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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Hypoxia-induced circRNF13 promotes the progression and glycolysis of pancreatic cancer. Exp Mol Med 2022; 54:1940-1954. [PMID: 36369467 PMCID: PMC9723180 DOI: 10.1038/s12276-022-00877-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 06/14/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Pancreatic cancer (PC) is one of the most malignant tumors. Rapid progression and distant metastasis are the main causes of patient death. Hypoxia is a hallmark of multiple cancers and is involved in tumor biology. However, little is known about the roles of circRNAs in glycolysis and hypoxia-mediated progression of PC. Here, the expression pattern of hypoxia-related circRNAs was analyzed using RNA sequencing. A unique circRNA termed circRNF13 was found to be upregulated in PC tissues and may be a potential prognostic indicator. HIF-1α and EIF4A3 are involved in regulating the biogenesis of circRNF13. Furthermore, circRNF13 was validated to exert a stimulative effect on cell proliferation, angiogenesis, invasion and glycolysis. Importantly, we found that circRNF13 promoted PDK3 levels by acting as a miR-654-3p sponge, thus promoting the PC malignant process. Collectively, our results reveal that hypoxia-induced circRNF13 mediated by HIF-1α and EIF4A3 promotes tumor progression and glycolysis in PC, indicating the potential of circRNF13 as a prognostic biomarker and therapeutic target for PC.
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Hypoxia in Lung Cancer Management: A Translational Approach. Cancers (Basel) 2021; 13:cancers13143421. [PMID: 34298636 PMCID: PMC8307602 DOI: 10.3390/cancers13143421] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Hypoxia is a common feature of lung cancers. Nonetheless, no guidelines have been established to integrate hypoxia-associated biomarkers in patient management. Here, we discuss the current knowledge and provide translational novel considerations regarding its clinical detection and targeting to improve the outcome of patients with non-small-cell lung carcinoma of all stages. Abstract Lung cancer represents the first cause of death by cancer worldwide and remains a challenging public health issue. Hypoxia, as a relevant biomarker, has raised high expectations for clinical practice. Here, we review clinical and pathological features related to hypoxic lung tumours. Secondly, we expound on the main current techniques to evaluate hypoxic status in NSCLC focusing on positive emission tomography. We present existing alternative experimental approaches such as the examination of circulating markers and highlight the interest in non-invasive markers. Finally, we evaluate the relevance of investigating hypoxia in lung cancer management as a companion biomarker at various lung cancer stages. Hypoxia could support the identification of patients with higher risks of NSCLC. Moreover, the presence of hypoxia in treated tumours could help clinicians predict a worse prognosis for patients with resected NSCLC and may help identify patients who would benefit potentially from adjuvant therapies. Globally, the large quantity of translational data incites experimental and clinical studies to implement the characterisation of hypoxia in clinical NSCLC management.
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Atas E, Oberhuber M, Kenner L. The Implications of PDK1-4 on Tumor Energy Metabolism, Aggressiveness and Therapy Resistance. Front Oncol 2020; 10:583217. [PMID: 33384955 PMCID: PMC7771695 DOI: 10.3389/fonc.2020.583217] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 11/13/2020] [Indexed: 12/17/2022] Open
Abstract
A metabolic shift from oxidative phosphorylation (OXPHOS) to glycolysis-known as the Warburg effect-is characteristic for many cancers. It gives the cancer cells a survival advantage in the hypoxic tumor microenvironment and protects them from cytotoxic effects of oxidative damage and apoptosis. The main regulators of this metabolic shift are the pyruvate dehydrogenase complex and pyruvate dehydrogenase kinase (PDK) isoforms 1-4. PDK is known to be overexpressed in several cancers and is associated with bad prognosis and therapy resistance. Whereas the expression of PDK1-3 is tissue specific, PDK4 expression is dependent on the energetic state of the whole organism. In contrast to other PDK isoforms, not only oncogenic, but also tumor suppressive functions of PDK4 have been reported. In tumors that profit from high OXPHOS and high de novo fatty acid synthesis, PDK4 can have a protective effect. This is the case for prostate cancer, the most common cancer in men, and makes PDK4 an interesting therapeutic target. While most work is focused on PDK in tumors characterized by high glycolytic activity, little research is devoted to those cases where PDK4 acts protective and is therefore highly needed.
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Affiliation(s)
- Emine Atas
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Monika Oberhuber
- Department of Pathology, Medical University of Vienna, Vienna, Austria
- Area ‘Data & Technologies’, CBmed—Center for Biomarker Research in Medicine GmbH, Graz, Austria
| | - Lukas Kenner
- Department of Pathology, Medical University of Vienna, Vienna, Austria
- Area ‘Data & Technologies’, CBmed—Center for Biomarker Research in Medicine GmbH, Graz, Austria
- Unit of Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, Vienna, Austria
- Christian Doppler Laboratory for Applied Metabolomics (CDL AM), Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
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Anwar S, Mohammad T, Shamsi A, Queen A, Parveen S, Luqman S, Hasan GM, Alamry KA, Azum N, Asiri AM, Hassan MI. Discovery of Hordenine as a Potential Inhibitor of Pyruvate Dehydrogenase Kinase 3: Implication in Lung Cancer Therapy. Biomedicines 2020; 8:E119. [PMID: 32422877 PMCID: PMC7277448 DOI: 10.3390/biomedicines8050119] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/09/2020] [Accepted: 05/11/2020] [Indexed: 11/16/2022] Open
Abstract
Design and development of potential pyruvate dehydrogenase kinase 3 (PDK3) inhibitors have gained attention because of their possible therapeutic uses in lung cancer therapy. In the present study, the binding affinity of naturally occurring alkaloids, hordenine, vincamine, tryptamine, cinchonine, and colcemid was measured with PDK3. The molecular docking and fluorescence binding studies suggested that all these compounds show a considerable binding affinity for PDK3. Among them, the affinity of hordenine to the PDK3 was excellent (K = 106 M-1) which was further complemented by isothermal titration calorimetric measurements. Hordenine binds in the active site pocket of PDK3 and forms a significant number of non-covalent interactions with functionally important residues. All-atom molecular dynamics (MD) simulation study suggested that the PDK3-hordenine complex is stabilized throughout the trajectory of 100ns and leads to fewer conformational changes. The enzyme inhibition studies showed that hordenine inhibits the activity of PDK3 with an IC50 value of 5.4 µM. Furthermore, hordenine showed a cytotoxic effect on human lung cancer cells (A549 and H1299) with an admirable IC50 value. However, it did not inhibit the growth of HEK293 cells up to 200 µM, indicating its non-toxicity to non-cancerous cell lines. In summary, our findings provide the basis for the therapeutic implication of hordenine and its derivatives in lung cancer and PDK3-related diseases after required in vivo validation.
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Affiliation(s)
- Saleha Anwar
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India; (S.A.); (T.M.); (A.S.)
| | - Taj Mohammad
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India; (S.A.); (T.M.); (A.S.)
| | - Anas Shamsi
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India; (S.A.); (T.M.); (A.S.)
| | - Aarfa Queen
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India;
| | - Shahnaz Parveen
- Molecular Bioprospection Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India; (S.P.); (S.L.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Suaib Luqman
- Molecular Bioprospection Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India; (S.P.); (S.L.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Gulam Mustafa Hasan
- Department of Biochemistry, College of Medicine, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia;
| | - Khalid A. Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (K.A.A.); (N.A.); (A.M.A.)
| | - Naved Azum
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (K.A.A.); (N.A.); (A.M.A.)
| | - Abdullah M. Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (K.A.A.); (N.A.); (A.M.A.)
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Md. Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India; (S.A.); (T.M.); (A.S.)
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Atas E, Oberhuber M, Kenner L. The Implications of PDK1-4 on Tumor Energy Metabolism, Aggressiveness and Therapy Resistance. Front Oncol 2020. [PMID: 33384955 DOI: 10.3389/fonc.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023] Open
Abstract
A metabolic shift from oxidative phosphorylation (OXPHOS) to glycolysis-known as the Warburg effect-is characteristic for many cancers. It gives the cancer cells a survival advantage in the hypoxic tumor microenvironment and protects them from cytotoxic effects of oxidative damage and apoptosis. The main regulators of this metabolic shift are the pyruvate dehydrogenase complex and pyruvate dehydrogenase kinase (PDK) isoforms 1-4. PDK is known to be overexpressed in several cancers and is associated with bad prognosis and therapy resistance. Whereas the expression of PDK1-3 is tissue specific, PDK4 expression is dependent on the energetic state of the whole organism. In contrast to other PDK isoforms, not only oncogenic, but also tumor suppressive functions of PDK4 have been reported. In tumors that profit from high OXPHOS and high de novo fatty acid synthesis, PDK4 can have a protective effect. This is the case for prostate cancer, the most common cancer in men, and makes PDK4 an interesting therapeutic target. While most work is focused on PDK in tumors characterized by high glycolytic activity, little research is devoted to those cases where PDK4 acts protective and is therefore highly needed.
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Affiliation(s)
- Emine Atas
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Monika Oberhuber
- Department of Pathology, Medical University of Vienna, Vienna, Austria
- Area 'Data & Technologies', CBmed-Center for Biomarker Research in Medicine GmbH, Graz, Austria
| | - Lukas Kenner
- Department of Pathology, Medical University of Vienna, Vienna, Austria
- Area 'Data & Technologies', CBmed-Center for Biomarker Research in Medicine GmbH, Graz, Austria
- Unit of Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, Vienna, Austria
- Christian Doppler Laboratory for Applied Metabolomics (CDL AM), Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
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Shawky AM, Abourehab MA, Abdalla AN, Gouda AM. Optimization of pyrrolizine-based Schiff bases with 4-thiazolidinone motif: Design, synthesis and investigation of cytotoxicity and anti-inflammatory potency. Eur J Med Chem 2020; 185:111780. [DOI: 10.1016/j.ejmech.2019.111780] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 10/04/2019] [Accepted: 10/09/2019] [Indexed: 12/17/2022]
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miR-497-5p inhibits gastric cancer cell proliferation and growth through targeting PDK3. Biosci Rep 2019; 39:BSR20190654. [PMID: 31409724 PMCID: PMC6732365 DOI: 10.1042/bsr20190654] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 06/30/2019] [Accepted: 08/09/2019] [Indexed: 01/17/2023] Open
Abstract
MicroRNA plays an important role in gastric cancer (GC) development, while the function of miR-497-5p in this disease remains unknown. In the present study, we demonstrated miR-497-5p as a tumor suppressive microRNA in GC. miR-497-5p was down-regulated in GC tissues and its expression was associated with the disease stage. Inhibition of miR-497-5p promoted GC cell proliferation and growth. By contrast, miR-497-5p ectopic expression suppressed the proliferation and growth of GC cells. In addition, miR-497-5p inhibited DNA synthesis and enhanced apoptosis in GC cells. The cell cycle progression was suppressed by miR-497-5p. Mechanistically, miR-497-5p directly targeted and suppressed the expression of pyruvate dehydrogenase kinase 3 (PDK3), which is highly expressed in GC tissues. Over-expression of PDK3 promoted the proliferation of GC cells. Our study revealed that miR-497-5p inhibited GC cell proliferation and growth via targeting PDK3.
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Xie Z, Li X, Chen H, Zeng A, Shi Y, Tang Y. The lncRNA-DLEU2/miR-186-5p/PDK3 axis promotes the progress of glioma cells. Am J Transl Res 2019; 11:4922-4934. [PMID: 31497209 PMCID: PMC6731438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/02/2019] [Indexed: 06/10/2023]
Abstract
Long non-coding RNAs (lncRNAs) have great value in research on tumour targeted therapy, including for glioma. In the present study, we investigated the role of the lncRNA deleted in lymphocytic leukaemia 2 (lncRNA-DLEU2) in glioma. First, we found that lncRNA-DLEU2 is highly expressed in glioma tissues and cell lines. Next, experiments in cells showed that lncRNA-DLEU2 knockdown inhibited, whereas lncRNA-DLEU2 overexpression promoted, the clone formation, migration and invasion of glioma cells. A luciferase reporter assay and an RNA immunoprecipitation assay demonstrated that lncRNA-DLEU2 acts as a sponge for miR-186-5p in glioma cells. Further, studies suggested that miR-186-5p inhibits the expression of PDK3, which is an oncogene in glioma. Moreover, with rescue experiments, we demonstrated that lncRNA-DLEU2 regulates the expression of PDK3 and the progression of glioma in a miR-186-5p-dependent manner. Finally, we also showed that lncRNA-DLEU2 promotes glioma growth in a manner that is related to miR-186-5p and PDK3 in vivo. In conclusion, our study reported for the first time that lncRNA-DLEU2 promotes glioma progression by targeting the miR-186-5p/PDK3 axis. These findings provide novel strategies for the gene therapy treatment of glioma.
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Affiliation(s)
- Zuochang Xie
- Department of Neurosurgery, The First People’s Hospital of Tianmen CityTianmen 431700, Hubei, China
| | - Xiaojian Li
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical UniversityNanjing 210006, Jiangsu, China
| | - Hua Chen
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical UniversityNanjing 210006, Jiangsu, China
| | - Ailiang Zeng
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical UniversityNanjing 210029, Jiangsu, China
- Department of Neurology, Brigham and Women’s Hospital and Harvard Medical SchoolBoston 02115, MA, USA
| | - Yan Shi
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical UniversityNanjing 210006, Jiangsu, China
| | - Yong Tang
- Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical UniversityNanjing 210006, Jiangsu, China
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