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Nikhil K, Shah K. CDK5: an oncogene or an anti-oncogene: location location location. Mol Cancer 2023; 22:186. [PMID: 37993880 PMCID: PMC10666462 DOI: 10.1186/s12943-023-01895-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/03/2023] [Indexed: 11/24/2023] Open
Abstract
Recent studies have uncovered various physiological functions of CDK5 in many nonneuronal tissues. Upregulation of CDK5 and/or its activator p35 in neurons promotes healthy neuronal functions, but their overexpression in nonneuronal tissues is causally linked to cancer of many origins. This review focuses on the molecular mechanisms by which CDK5 recruits diverse tissue-specific substrates to elicit distinct phenotypes in sixteen different human cancers. The emerging theme suggests that CDK5's role as an oncogene or anti-oncogene depends upon its subcellular localization. CDK5 mostly acts as an oncogene, but in gastric cancer, it is a tumor suppressor due to its unique nuclear localization. This indicates that CDK5's access to certain nuclear substrates converts it into an anti-oncogenic kinase. While acting as a bonafide oncogene, CDK5 also activates a few cancer-suppressive pathways in some cancers, presumably due to the mislocalization of nuclear substrates in the cytoplasm. Therefore, directing CDK5 to the nucleus or exporting tumor-suppressive nuclear substrates to the cytoplasm may be promising approaches to combat CDK5-induced oncogenicity, analogous to neurotoxicity triggered by nuclear CDK5. Furthermore, while p35 overexpression is oncogenic, hyperactivation of CDK5 by inducing p25 formation results in apoptosis, which could be exploited to selectively kill cancer cells by dialing up CDK5 activity, instead of inhibiting it. CDK5 thus acts as a molecular rheostat, with different activity levels eliciting distinct functional outcomes. Finally, as CDK5's role is defined by its substrates, targeting them individually or in conjunction with CDK5 should create potentially valuable new clinical opportunities.
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Affiliation(s)
- Kumar Nikhil
- Department of Chemistry, Purdue University Center for Cancer Research, 560 Oval Drive, West Lafayette, IN, 47907, USA
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, 751024, India
| | - Kavita Shah
- Department of Chemistry, Purdue University Center for Cancer Research, 560 Oval Drive, West Lafayette, IN, 47907, USA.
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2
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Pan P, Geng T, Li Z, Ding X, Shi M, Li Y, Wang Y, Shi Y, Wu J, Zhong L, Ji D, Li Z, Meng X. Design, Synthesis, and Biological Evaluation of Proteolysis-Targeting Chimeras as Highly Selective and Efficient Degraders of Extracellular Signal-Regulated Kinase 5. J Med Chem 2023; 66:13568-13586. [PMID: 37751283 DOI: 10.1021/acs.jmedchem.3c00864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Extracellular signal-regulated kinase 5 (ERK5) is recognized as a key member of the mitogen-activated protein kinase family and is involved in tumor growth, migration, and angiogenesis. However, the results of ERK5 inhibition in multiple studies are controversial, and a highly specific ERK5-targeting agent is required to confirm physiological functions. Using proteolysis-targeting chimera technology, we designed the selective ERK5 degrader PPM-3 and examined its biological effect on cancer cells. Interestingly, the selective degradation of ERK5 with PPM-3 did not influence tumor cell growth directly. Based on proteomics analysis, the ERK5 deletion may be associated with tumor immunity. PPM-3 influences tumor development by affecting the differentiation of macrophages. Therefore, PPM-3 is an effective small-molecule tool for studying ERK5 and a promising immunotherapy drug candidate.
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Affiliation(s)
- Pengming Pan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Tongtong Geng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhongtang Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xuyang Ding
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Mengyuan Shi
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Surgery III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Yang Li
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yashuai Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yuanyuan Shi
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jiaojiao Wu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Liang Zhong
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Dengbo Ji
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Surgery III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Zhongjun Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiangbao Meng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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3
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Liang XL, Ouyang L, Yu NN, Sun ZH, Gui ZK, Niu YL, He QY, Zhang J, Wang Y. Histone deacetylase inhibitor pracinostat suppresses colorectal cancer by inducing CDK5-Drp1 signaling-mediated peripheral mitofission. J Pharm Anal 2023; 13:1168-1182. [PMID: 38024857 PMCID: PMC10657975 DOI: 10.1016/j.jpha.2023.06.005] [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: 12/21/2022] [Revised: 05/28/2023] [Accepted: 06/09/2023] [Indexed: 12/01/2023] Open
Abstract
Divisions at the periphery and midzone of mitochondria are two fission signatures that determine the fate of mitochondria and cells. Pharmacological induction of excessively asymmetric mitofission-associated cell death (MFAD) by switching the scission position from the mitochondrial midzone to the periphery represents a promising strategy for anticancer therapy. By screening a series of pan-inhibitors, we identified pracinostat, a pan-histone deacetylase (HDAC) inhibitor, as a novel MFAD inducer, that exhibited a significant anticancer effect on colorectal cancer (CRC) in vivo and in vitro. Pracinostat increased the expression of cyclin-dependent kinase 5 (CDK5) and induced its acetylation at residue lysine 33, accelerating the formation of complex CDK5/CDK5 regulatory subunit 1 and dynamin-related protein 1 (Drp1)-mediated mitochondrial peripheral fission. CRC cells with high level of CDK5 (CDK5-high) displayed midzone mitochondrial division that was associated with oncogenic phenotype, but treatment with pracinostat led to a lethal increase in the already-elevated level of CDK5 in the CRC cells. Mechanistically, pracinostat switched the scission position from the mitochondrial midzone to the periphery by improving the binding of Drp1 from mitochondrial fission factor (MFF) to mitochondrial fission 1 protein (FIS1). Thus, our results revealed the anticancer mechanism of HDACi pracinostat in CRC via activating CDK5-Drp1 signaling to cause selective MFAD of those CDK5-high tumor cells, which implicates a new paradigm to develop potential therapeutic strategies for CRC treatment.
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Affiliation(s)
- Xiao-Ling Liang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Lan Ouyang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Nan-Nan Yu
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Zheng-Hua Sun
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Zi-Kang Gui
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Yu-Long Niu
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Qing-Yu He
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
- Department of Radiology, The First Affiliated Hospital of Jinan University and MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, 510632, China
| | - Jing Zhang
- Department of Radiology, The First Affiliated Hospital of Jinan University and MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, 510632, China
| | - Yang Wang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
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4
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Amin N, Wang H, Song Q, Bhaskar M, Yadav SP, Gilbert MR, Pant H, Tabouret E, Zhuang Z. TP5: A Novel Therapeutic Approach Targeting Aberrant and Hyperactive CDK5/p25 for the Treatment of Colorectal Carcinoma. Int J Mol Sci 2023; 24:11733. [PMID: 37511490 PMCID: PMC10380212 DOI: 10.3390/ijms241411733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/12/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Colorectal carcinoma (CRC) is a prevalent cancer worldwide with a high mortality rate. Evidence suggests that increased expression of Cyclin-dependent kinase 5 (CDK5) contributes to cancer progression, making it a promising target for treatment. This study examined the efficacy of selectively inhibiting CDK5 in colorectal carcinoma using TP5, a small peptide that selectively inhibits the aberrant and hyperactive CDK5/p25 complex while preserving physiological CDK5/p35 functions. We analyzed TP5's impact on CDK5 activity, cell survival, apoptosis, the cell cycle, DNA damage, ATM phosphorylation, and reactive oxygen species (ROS) signaling in mitochondria, in CRC cell lines, both alone and in combination with chemotherapy. We also assessed TP5's efficacy on a xenograft mouse model with HCT116 cells. Our results showed that TP5 decreased CDK5 activity, impaired cell viability and colony formation, induced apoptosis, increased DNA damage, and led to the G1 phase arrest of cell cycle progression. In combination with irinotecan, TP5 demonstrated a synergy by leading to the accumulation of DNA damage, increasing the γH2A.X foci number, and inhibiting G2/M arrest induced by Sn38 treatment. TP5 alone or in combination with irinotecan increased mitochondrial ROS levels and inhibited tumor growth, prolonging mouse survival in the CRC xenograft animal model. These results suggest that TP5, either alone or in combination with irinotecan, is a promising therapeutic option for colorectal carcinoma.
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Affiliation(s)
- Niranjana Amin
- National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892, USA
| | - Herui Wang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Qi Song
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Manju Bhaskar
- Translational Neuroscience Center, National Institutes of Health, Bethesda, MD 20892, USA
| | | | - Mark R Gilbert
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Harish Pant
- National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892, USA
| | - Emeline Tabouret
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
- Institute of NeuroPhysiopathology (INP), National Centre for Scientific Research (CNRS), Aix-Marseille University, 13005 Marseille, France
| | - Zhengping Zhuang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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5
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Bukowski K, Marciniak B, Kciuk M, Mujwar S, Mojzych M, Kontek R. Pyrazolo[4,3- e]tetrazolo[1,5- b][1,2,4]triazine Sulfonamides as Novel Potential Anticancer Agents: Apoptosis, Oxidative Stress, and Cell Cycle Analysis. Int J Mol Sci 2023; 24:ijms24108504. [PMID: 37239848 DOI: 10.3390/ijms24108504] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/03/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
The current study continues the evaluation of the anticancer potential of three de novo synthesized pyrazolo[4,3-e]tetrazolo[1,5-b][1,2,4]triazine sulfonamides-MM129, MM130, and MM131-against human cancer cells of HeLa, HCT 116, PC-3, and BxPC-3 lines. The pro-apoptotic activity of the investigated sulfonamides was shown by observations of changes in the mitochondrial transmembrane potential of the tested cells, externalization of phosphatidylserine on the cellular membrane surface, and cell morphology in microscopic imaging. The computational studies have shown that MM129 exhibited the lowest binding energy values when docked against CDK enzymes. In addition, the highest stability was shown for complexes formed between MM129 and CDK5/8 enzymes. All examined compounds induced cell cycle arrest in the G0/G1 phase in the BxPC-3 and PC-3 cells and simultaneously caused the accumulation of cells in the S phase in the HCT 116 cells. In addition, the increase in the subG1 fraction was observed in PC-3 and HeLa cells. The application of a fluorescent H2DCFDA probe revealed the high pro-oxidative properties of the tested triazine derivatives, especially MM131. In conclusion, the obtained results suggest that MM129, MM130, and MM131 exhibited strong pro-apoptotic properties towards investigated cells, mainly against the HeLa and HCT 116 cell lines, and high pro-oxidative potential as well. Moreover, it is suggested that the anticancer activity of the tested compounds may be associated with their ability to inhibit CDK enzymes activities.
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Affiliation(s)
- Karol Bukowski
- Department of Molecular Biotechnology and Genetics, University of Lodz, 90-237 Lodz, Poland
| | - Beata Marciniak
- Department of Molecular Biotechnology and Genetics, University of Lodz, 90-237 Lodz, Poland
| | - Mateusz Kciuk
- Department of Molecular Biotechnology and Genetics, University of Lodz, 90-237 Lodz, Poland
- Doctoral School of Exact and Natural Sciences, University of Lodz, 90-237 Lodz, Poland
| | - Somdutt Mujwar
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Mariusz Mojzych
- Department of Chemistry, Siedlce University of Natural Sciences and Humanities, 08-110 Siedlce, Poland
| | - Renata Kontek
- Department of Molecular Biotechnology and Genetics, University of Lodz, 90-237 Lodz, Poland
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6
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Tusa I, Menconi A, Tubita A, Rovida E. Pathophysiological Impact of the MEK5/ERK5 Pathway in Oxidative Stress. Cells 2023; 12:cells12081154. [PMID: 37190064 DOI: 10.3390/cells12081154] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/22/2023] [Accepted: 04/06/2023] [Indexed: 05/17/2023] Open
Abstract
Oxidative stress regulates many physiological and pathological processes. Indeed, a low increase in the basal level of reactive oxygen species (ROS) is essential for various cellular functions, including signal transduction, gene expression, cell survival or death, as well as antioxidant capacity. However, if the amount of generated ROS overcomes the antioxidant capacity, excessive ROS results in cellular dysfunctions as a consequence of damage to cellular components, including DNA, lipids and proteins, and may eventually lead to cell death or carcinogenesis. Both in vitro and in vivo investigations have shown that activation of the mitogen-activated protein kinase kinase 5/extracellular signal-regulated kinase 5 (MEK5/ERK5) pathway is frequently involved in oxidative stress-elicited effects. In particular, accumulating evidence identified a prominent role of this pathway in the anti-oxidative response. In this respect, activation of krüppel-like factor 2/4 and nuclear factor erythroid 2-related factor 2 emerged among the most frequent events in ERK5-mediated response to oxidative stress. This review summarizes what is known about the role of the MEK5/ERK5 pathway in the response to oxidative stress in pathophysiological contexts within the cardiovascular, respiratory, lymphohematopoietic, urinary and central nervous systems. The possible beneficial or detrimental effects exerted by the MEK5/ERK5 pathway in the above systems are also discussed.
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Affiliation(s)
- Ignazia Tusa
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50134 Florence, Italy
| | - Alessio Menconi
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50134 Florence, Italy
| | - Alessandro Tubita
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50134 Florence, Italy
| | - Elisabetta Rovida
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50134 Florence, Italy
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7
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Machine Learning-Based Virtual Screening for the Identification of Cdk5 Inhibitors. Int J Mol Sci 2022; 23:ijms231810653. [PMID: 36142566 PMCID: PMC9502400 DOI: 10.3390/ijms231810653] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 12/04/2022] Open
Abstract
Cyclin-dependent kinase 5 (Cdk5) is an atypical proline-directed serine/threonine protein kinase well-characterized for its role in the central nervous system rather than in the cell cycle. Indeed, its dysregulation has been strongly implicated in the progression of synaptic dysfunction and neurodegenerative diseases, such as Alzheimer’s disease (AD) and Parkinson’s disease (PD), and also in the development and progression of a variety of cancers. For this reason, Cdk5 is considered as a promising target for drug design, and the discovery of novel small-molecule Cdk5 inhibitors is of great interest in the medicinal chemistry field. In this context, we employed a machine learning-based virtual screening protocol with subsequent molecular docking, molecular dynamics simulations and binding free energy evaluations. Our virtual screening studies resulted in the identification of two novel Cdk5 inhibitors, highlighting an experimental hit rate of 50% and thus validating the reliability of the in silico workflow. Both identified ligands, compounds CPD1 and CPD4, showed a promising enzyme inhibitory activity and CPD1 also demonstrated a remarkable antiproliferative activity in ovarian and colon cancer cells. These ligands represent a valuable starting point for structure-based hit-optimization studies aimed at identifying new potent Cdk5 inhibitors.
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NavaneethaKrishnan S, Law V, Lee J, Rosales JL, Lee KY. Cdk5 regulates IP3R1-mediated Ca 2+ dynamics and Ca 2+-mediated cell proliferation. Cell Mol Life Sci 2022; 79:495. [PMID: 36001172 PMCID: PMC9402492 DOI: 10.1007/s00018-022-04515-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 07/19/2022] [Accepted: 08/04/2022] [Indexed: 12/02/2022]
Abstract
Loss of cyclin-dependent kinase 5 (Cdk5) in the mitochondria-associated endoplasmic reticulum (ER) membranes (MAMs) increases ER–mitochondria tethering and ER Ca2+ transfer to the mitochondria, subsequently increasing mitochondrial Ca2+ concentration ([Ca2+]mt). This suggests a role for Cdk5 in regulating intracellular Ca2+ dynamics, but how Cdk5 is involved in this process remains to be explored. Using ex vivo primary mouse embryonic fibroblasts (MEFs) isolated from Cdk5−/− mouse embryos, we show here that loss of Cdk5 causes an increase in cytosolic Ca2+concentration ([Ca2+]cyt), which is not due to reduced internal Ca2+ store capacity or increased Ca2+ influx from the extracellular milieu. Instead, by stimulation with ATP that mediates release of Ca2+ from internal stores, we determined that the rise in [Ca2+]cyt in Cdk5−/− MEFs is due to increased inositol 1,4,5-trisphosphate receptor (IP3R)-mediated Ca2+ release from internal stores. Cdk5 interacts with the IP3R1 Ca2+ channel and phosphorylates it at Ser421. Such phosphorylation controls IP3R1-mediated Ca2+ release as loss of Cdk5, and thus, loss of IP3R1 Ser421 phosphorylation triggers an increase in IP3R1-mediated Ca2+ release in Cdk5−/− MEFs, resulting in elevated [Ca2+]cyt. Elevated [Ca2+]cyt in these cells further induces the production of reactive oxygen species (ROS), which upregulates the levels of Nrf2 and its targets, Prx1 and Prx2. Cdk5−/− MEFs, which have elevated [Ca2+]cyt, proliferate at a faster rate compared to wt, and Cdk5−/− embryos have increased body weight and size compared to their wt littermates. Taken together, we show that altered IP3R1-mediated Ca2+ dynamics due to Cdk5 loss correspond to accelerated cell proliferation that correlates with increased body weight and size in Cdk5−/− embryos.
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Affiliation(s)
- Saranya NavaneethaKrishnan
- Department of Cell Biology and Anatomy, Arnie Charbonneau Cancer and Alberta Children's Hospital Research Institutes, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Vincent Law
- Department of Cell Biology and Anatomy, Arnie Charbonneau Cancer and Alberta Children's Hospital Research Institutes, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Jungkwon Lee
- Department of Cell Biology and Anatomy, Arnie Charbonneau Cancer and Alberta Children's Hospital Research Institutes, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Jesusa L Rosales
- Department of Cell Biology and Anatomy, Arnie Charbonneau Cancer and Alberta Children's Hospital Research Institutes, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Ki-Young Lee
- Department of Cell Biology and Anatomy, Arnie Charbonneau Cancer and Alberta Children's Hospital Research Institutes, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada.
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Cyclin-dependent kinases as potential targets for colorectal cancer: past, present and future. Future Med Chem 2022; 14:1087-1105. [PMID: 35703127 DOI: 10.4155/fmc-2022-0064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Colorectal cancer (CRC) is a common cancer in the world and its prevalence is increasing in developing countries. Deregulated cell cycle traverse is a hallmark of malignant transformation and is often observed in CRC as a result of imprecise activity of cell cycle regulatory components, viz. cyclins and cyclin-dependent kinases (CDKs). Apart from cell cycle regulation, some CDKs also regulate processes such as transcription and have also been shown to be involved in colorectal carcinogenesis. This article aims to review cyclin-dependent kinases as potential targets for CRC. Furthermore, therapeutic candidates to target CDKs are also discussed.
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10
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Ahmad M, Krüger BT, Kroll T, Vettorazzi S, Dorn AK, Mengele F, Lee S, Nandi S, Yilmaz D, Stolz M, Tangudu NK, Vázquez DC, Pachmayr J, Cirstea IC, Spasic MV, Ploubidou A, Ignatius A, Tuckermann J. Inhibition of Cdk5 increases osteoblast differentiation and bone mass and improves fracture healing. Bone Res 2022; 10:33. [PMID: 35383146 PMCID: PMC8983726 DOI: 10.1038/s41413-022-00195-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 12/10/2021] [Accepted: 12/21/2021] [Indexed: 11/09/2022] Open
Abstract
Identification of regulators of osteoblastogenesis that can be pharmacologically targeted is a major goal in combating osteoporosis, a common disease of the elderly population. Here, unbiased kinome RNAi screening in primary murine osteoblasts identified cyclin-dependent kinase 5 (Cdk5) as a suppressor of osteoblast differentiation in both murine and human preosteoblastic cells. Cdk5 knockdown by siRNA, genetic deletion using the Cre-loxP system, or inhibition with the small molecule roscovitine enhanced osteoblastogenesis in vitro. Roscovitine treatment significantly enhanced bone mass by increasing osteoblastogenesis and improved fracture healing in mice. Mechanistically, downregulation of Cdk5 expression increased Erk phosphorylation, resulting in enhanced osteoblast-specific gene expression. Notably, simultaneous Cdk5 and Erk depletion abrogated the osteoblastogenesis conferred by Cdk5 depletion alone, suggesting that Cdk5 regulates osteoblast differentiation through MAPK pathway modulation. We conclude that Cdk5 is a potential therapeutic target to treat osteoporosis and improve fracture healing.
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Affiliation(s)
- Mubashir Ahmad
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany.,Institute of Orthopedic Research and Biomechanics, Ulm University, Helmholtzstrasse 14, 89081, Ulm, Germany
| | - Benjamin Thilo Krüger
- Institute of Orthopedic Research and Biomechanics, Ulm University, Helmholtzstrasse 14, 89081, Ulm, Germany
| | - Torsten Kroll
- Leibniz Institute on Aging - Fritz Lipmann Institute (FLI), Beutenbergstrasse 11, D-07745, Jena, Germany
| | - Sabine Vettorazzi
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Ann-Kristin Dorn
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Florian Mengele
- Praxisklinik für Orthopädie, Unfall- und Neurochirurgie Prof. Bischoff/Dr. Spies/Dr. Mengele, 89231, Neu-Ulm, Germany
| | - Sooyeon Lee
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Sayantan Nandi
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Dilay Yilmaz
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Miriam Stolz
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Naveen Kumar Tangudu
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany.,UPMC Hillman Cancer Center, Department of Pharmacology and Chemical Biology, University of Pittsburgh, 5115 Center Avenue, 15232, Pittsburgh, PA, USA
| | - David Carro Vázquez
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany.,TAmiRNA GmbH, Leberstrasse 20, 1110, Vienna, Austria
| | - Johanna Pachmayr
- Paracelsus Medizinische Privatuniverstät, Institute of Pharmacy, Strubergasse 21, 5020, Salzburg, Austria
| | - Ion Cristian Cirstea
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Maja Vujic Spasic
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany
| | - Aspasia Ploubidou
- Leibniz Institute on Aging - Fritz Lipmann Institute (FLI), Beutenbergstrasse 11, D-07745, Jena, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, Ulm University, Helmholtzstrasse 14, 89081, Ulm, Germany
| | - Jan Tuckermann
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Helmholtzstrasse 8/1, 89081, Ulm, Germany. .,Department of Endocrinology, Ludwig Maximilians University Munich, Munich, 80336, Germany.
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11
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Wang D, Zhou Y, Hua L, Li J, Zhu N, Liu Y. CDK3, CDK5 and CDK8 Proteins as Prognostic and Potential Biomarkers in Colorectal Cancer Patients. Int J Gen Med 2022; 15:2233-2245. [PMID: 35250301 PMCID: PMC8893271 DOI: 10.2147/ijgm.s349576] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 02/16/2022] [Indexed: 12/26/2022] Open
Abstract
Introduction Methods Results Conclusion
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Affiliation(s)
- Dan Wang
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China
| | - Yanhong Zhou
- School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China
| | - Li Hua
- School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China
| | - Jiaxiang Li
- School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China
| | - Ni Zhu
- School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China
| | - Yifei Liu
- School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China
- Correspondence: Yifei Liu, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning, HuBei, People’s Republic of China, Tel +86-715-8266030, Email
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12
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Clinical Significance and Regulation of ERK5 Expression and Function in Cancer. Cancers (Basel) 2022; 14:cancers14020348. [PMID: 35053510 PMCID: PMC8773716 DOI: 10.3390/cancers14020348] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/08/2022] [Accepted: 01/08/2022] [Indexed: 02/06/2023] Open
Abstract
Extracellular signal-regulated kinase 5 (ERK5) is a unique kinase among MAPKs family members, given its large structure characterized by the presence of a unique C-terminal domain. Despite increasing data demonstrating the relevance of the ERK5 pathway in the growth, survival, and differentiation of normal cells, ERK5 has recently attracted the attention of several research groups given its relevance in inflammatory disorders and cancer. Accumulating evidence reported its role in tumor initiation and progression. In this review, we explore the gene expression profile of ERK5 among cancers correlated with its clinical impact, as well as the prognostic value of ERK5 and pERK5 expression levels in tumors. We also summarize the importance of ERK5 in the maintenance of a cancer stem-like phenotype and explore the major known contributions of ERK5 in the tumor-associated microenvironment. Moreover, although several questions are still open concerning ERK5 molecular regulation, different ERK5 isoforms derived from the alternative splicing process are also described, highlighting the potential clinical relevance of targeting ERK5 pathways.
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13
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Thoma OM, Neurath MF, Waldner MJ. Cyclin-Dependent Kinase Inhibitors and Their Therapeutic Potential in Colorectal Cancer Treatment. Front Pharmacol 2021; 12:757120. [PMID: 35002699 PMCID: PMC8733931 DOI: 10.3389/fphar.2021.757120] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/26/2021] [Indexed: 12/17/2022] Open
Abstract
Cyclin-dependent kinases (CDKs) are key players in cell cycle regulation. So far, more than ten CDKs have been described. Their direct interaction with cyclins allow progression through G1 phase, transitions to S and G2 phase and finally through mitosis (M). While CDK activation is important in cell renewal, its aberrant expression can lead to the development of malignant tumor cells. Dysregulations in CDK pathways are often encountered in various types of cancer, including all gastrointestinal (GI) tract tumors. This prompted the development of CDK inhibitors as novel therapies for cancer. Currently, CDK inhibitors such as CDK4/6 inhibitors are used in pre-clinical studies for cancer treatment. In this review, we will focus on the therapeutic role of various CDK inhibitors in colorectal cancer, with a special focus on the CDK4/6 inhibitors.
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Affiliation(s)
- Oana-Maria Thoma
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- German Center for Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Markus F Neurath
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- German Center for Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Maximilian J Waldner
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- German Center for Immunotherapy (DZI), University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Erlangen Graduate School in Advanced Optical Technologies (SAOT), Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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14
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Sui R, Shi W, Han S, Fan X, Zhang X, Wang N, Zhang H, Xu A, Liu C. MiR-142-5p directly targets cyclin-dependent kinase 5-mediated upregulation of the inflammatory process in acquired middle ear cholesteatoma. Mol Immunol 2021; 141:236-245. [PMID: 34875451 DOI: 10.1016/j.molimm.2021.11.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 10/20/2021] [Accepted: 11/22/2021] [Indexed: 01/27/2023]
Abstract
MicroRNAs (miRNAs) play important roles in the regulation of cell proliferation, differentiation, apoptosis, and inflammatory responses. MiR-142-5p is an important inflammation-associated miRNA, whose abnormal expression has been associated with a variety of inflammation-related diseases. However, the role and signaling pathways targeted by miR-142-5p in acquired middle ear cholesteatoma (AMEC) have not been fully elucidated. Cyclin-dependent kinase 5 (CDK5), a special member of the CDK family compared with classic cyclins that plays a critical role in the inflammatory response. In this study, we investigated the roles of miR-142-5p and CDK5 in inflammatory responses in AMEC. Our results revealed that the expression of miR-142-5p was significantly reduced in AMEC, and was negatively correlated with the expression of CDK5 (r=-0.5451). We also found that miR-142-5p can inhibit CDK5 expression by directly target 3' untranslated region (UTR) of CDK5. Additionally, our findings indicated that the increased expression of CDK5 induces the secretion of inflammatory cytokines. In order to further confirm the involvement of miR-142-5p in the regulation of the inflammatory response in AMEC through its inhibitory effect on CDK5 expression, we studied the inflammatory response in HaCaT cells transfected with small interfering RNA against CDK5 (si-CDK5) and a miR-142-5p inhibitor. The results confirmed that miR-142-5p regulates the inflammatory response in AMEC by downregulating CDK5. In summary, miR-142-5p directly inhibits the CDK5-mediated upregulation of inflammatory cytokines in AMEC, which makes it a potential therapeutic target in this disease.
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Affiliation(s)
- Rongcui Sui
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; National Health Commission Key Laboratory of Otorhinolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China
| | - Wei Shi
- Department of Otolaryngology, Zhoucun District People's Hospital, 72 Mianhua Shi Road, Zibo, Shandong, China
| | - Shuhui Han
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; National Health Commission Key Laboratory of Otorhinolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China
| | - Xintai Fan
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; National Health Commission Key Laboratory of Otorhinolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China
| | - Xianzhao Zhang
- Department of Otolaryngology, The First People's Hospital of Jining, 6 Health Road, Jining, Shandong, China
| | - Na Wang
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; National Health Commission Key Laboratory of Otorhinolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China
| | - Hao Zhang
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; National Health Commission Key Laboratory of Otorhinolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China
| | - Anting Xu
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; National Health Commission Key Laboratory of Otorhinolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China.
| | - Chengcheng Liu
- Department of Otolaryngology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 274 Beiyuan Road, Jinan, Shandong, China; Central Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324 Jingwu Weiqi Road, Jinan, Shandong, China.
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15
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Cdk5 drives formation of heterogeneous pancreatic neuroendocrine tumors. Oncogenesis 2021; 10:83. [PMID: 34862365 PMCID: PMC8642406 DOI: 10.1038/s41389-021-00372-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 11/02/2021] [Accepted: 11/11/2021] [Indexed: 01/07/2023] Open
Abstract
Pancreatic neuroendocrine tumors (PanNETs) are a heterogeneous population of neoplasms that arise from hormone-secreting islet cells of the pancreas and have increased markedly in incidence over the past four decades. Non-functional PanNETs, which occur more frequently than hormone-secreting tumors, are often not diagnosed until later stages of tumor development and have poorer prognoses. Development of successful therapeutics for PanNETs has been slow, partially due to a lack of diverse animal models for pre-clinical testing. Here, we report development of an inducible, conditional mouse model of PanNETs by using a bi-transgenic system for regulated expression of the aberrant activator of Cdk5, p25, specifically in β-islet cells. This model produces a heterogeneous population of PanNETs that includes a subgroup of well-differentiated, non-functional tumors. Production of these tumors demonstrates the causative potential of aberrantly active Cdk5 for generation of PanNETs. Further, we show that human PanNETs express Cdk5 pathway components, are dependent on Cdk5 for growth, and share genetic and transcriptional overlap with the INS-p25OE model. The utility of this model is enhanced by the ability to form tumor-derived allografts. This new model of PanNETs will facilitate molecular delineation of Cdk5-dependent PanNETs and the development of new targeted therapeutics.
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16
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Small molecule ERK5 kinase inhibitors paradoxically activate ERK5 signalling: be careful what you wish for…. Biochem Soc Trans 2021; 48:1859-1875. [PMID: 32915196 PMCID: PMC7609025 DOI: 10.1042/bst20190338] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 12/15/2022]
Abstract
ERK5 is a protein kinase that also contains a nuclear localisation signal and a transcriptional transactivation domain. Inhibition of ERK5 has therapeutic potential in cancer and inflammation and this has prompted the development of ERK5 kinase inhibitors (ERK5i). However, few ERK5i programmes have taken account of the ERK5 transactivation domain. We have recently shown that the binding of small molecule ERK5i to the ERK5 kinase domain stimulates nuclear localisation and paradoxical activation of its transactivation domain. Other kinase inhibitors paradoxically activate their intended kinase target, in some cases leading to severe physiological consequences highlighting the importance of mitigating these effects. Here, we review the assays used to monitor ERK5 activities (kinase and transcriptional) in cells, the challenges faced in development of small molecule inhibitors to the ERK5 pathway, and classify the molecular mechanisms of paradoxical activation of protein kinases by kinase inhibitors.
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17
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Gao GB, Sun Y, Fang RD, Wang Y, Wang Y, He QY. Post-translational modifications of CDK5 and their biological roles in cancer. MOLECULAR BIOMEDICINE 2021; 2:22. [PMID: 35006426 PMCID: PMC8607427 DOI: 10.1186/s43556-021-00029-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 02/09/2021] [Indexed: 12/11/2022] Open
Abstract
Post-translational modifications (PTMs) of Cyclin-dependent kinase 5 (CDK5) have emerged as important regulatory mechanisms that modulate cancer development in patients. Though CDK5 is an atypical member of the cyclin-dependent kinase family, its aberrant expression links to cell proliferation, DNA damage response, apoptosis, migration and angiogenesis in cancer. Current studies suggested that, new PTMs on CDK5, including S-nitrosylation, sumoylation, and acetylation, serve as molecular switches to control the kinase activity of CDK5 in the cell. However, a majority of these modifications and their biological significance in cancer remain uncharacterized. In this review, we discussed the role of PTMs on CDK5-mediated signaling cascade, and their possible mechanisms of action in malignant tumors, as well as the challenges and future perspectives in this field. On the basis of the newly identified regulatory signaling pathways of CDK5 related to PTMs, researchers have investigated the cancer therapeutic potential of chemical compounds, small-molecule inhibitors, and competitive peptides by targeting CDK5 and its PTMs. Results of these preclinical studies demonstrated that targeting PTMs of CDK5 yields promising antitumor effects and that clinical translation of these therapeutic strategies is warranted.
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Affiliation(s)
- Gui-Bin Gao
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Yue Sun
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Run-Dong Fang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Ying Wang
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macao SAR, China
| | - Yang Wang
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China.
| | - Qing-Yu He
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China.
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18
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Paudel R, Fusi L, Schmidt M. The MEK5/ERK5 Pathway in Health and Disease. Int J Mol Sci 2021; 22:ijms22147594. [PMID: 34299213 PMCID: PMC8303459 DOI: 10.3390/ijms22147594] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022] Open
Abstract
The MEK5/ERK5 mitogen-activated protein kinases (MAPK) cascade is a unique signaling module activated by both mitogens and stress stimuli, including cytokines, fluid shear stress, high osmolarity, and oxidative stress. Physiologically, it is mainly known as a mechanoreceptive pathway in the endothelium, where it transduces the various vasoprotective effects of laminar blood flow. However, it also maintains integrity in other tissues exposed to mechanical stress, including bone, cartilage, and muscle, where it exerts a key function as a survival and differentiation pathway. Beyond its diverse physiological roles, the MEK5/ERK5 pathway has also been implicated in various diseases, including cancer, where it has recently emerged as a major escape route, sustaining tumor cell survival and proliferation under drug stress. In addition, MEK5/ERK5 dysfunction may foster cardiovascular diseases such as atherosclerosis. Here, we highlight the importance of the MEK5/ERK5 pathway in health and disease, focusing on its role as a protective cascade in mechanical stress-exposed healthy tissues and its function as a therapy resistance pathway in cancers. We discuss the perspective of targeting this cascade for cancer treatment and weigh its chances and potential risks when considering its emerging role as a protective stress response pathway.
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19
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Bazzi ZA, Tai IT. CDK10 in Gastrointestinal Cancers: Dual Roles as a Tumor Suppressor and Oncogene. Front Oncol 2021; 11:655479. [PMID: 34277407 PMCID: PMC8278820 DOI: 10.3389/fonc.2021.655479] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/16/2021] [Indexed: 11/13/2022] Open
Abstract
Cyclin-dependent kinase 10 (CDK10) is a CDC2-related serine/threonine kinase involved in cellular processes including cell proliferation, transcription regulation and cell cycle regulation. CDK10 has been identified as both a candidate tumor suppressor in hepatocellular carcinoma, biliary tract cancers and gastric cancer, and a candidate oncogene in colorectal cancer (CRC). CDK10 has been shown to be specifically involved in modulating cancer cell proliferation, motility and chemosensitivity. Specifically, in CRC, it may represent a viable biomarker and target for chemoresistance. The development of therapeutics targeting CDK10 has been hindered by lack a specific small molecule inhibitor for CDK10 kinase activity, due to a lack of a high throughput screening assay. Recently, a novel CDK10 kinase activity assay has been developed, which will aid in the development of small molecule inhibitors targeting CDK10 activity. Discovery of a small molecular inhibitor for CDK10 would facilitate further exploration of its biological functions and affirm its candidacy as a therapeutic target, specifically for CRC.
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Affiliation(s)
- Zainab A Bazzi
- Division of Gastroenterology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada.,Canada's Michael Smith Genome Sciences Centre, British Columbia (BC) Cancer, Vancouver, BC, Canada
| | - Isabella T Tai
- Division of Gastroenterology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada.,Canada's Michael Smith Genome Sciences Centre, British Columbia (BC) Cancer, Vancouver, BC, Canada
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20
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Zhou Y, Wang X, Lv P, Yu H, Jiang X. CDK5 Knockdown inhibits proliferation and induces apoptosis and Cell Cycle Arrest in Human Glioblastoma. J Cancer 2021; 12:3958-3966. [PMID: 34093802 PMCID: PMC8176241 DOI: 10.7150/jca.53981] [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: 10/01/2020] [Accepted: 04/22/2021] [Indexed: 01/24/2023] Open
Abstract
Aims: Gliomas are the most common malignant brain neoplasms with high recurrence and lethality rates. Recently, studies have reported that cyclin-dependent kinase 5 (CDK5) is involved in tumorigenesis. Herein, we applied bioinformatics analysis to determine the clinical value of CDK5 in patients with glioma and examined the effects of CDK5 on glioblastoma cell proliferation, apoptosis, and cell cycle in vitro. Methods: Gene expression profiles containing clinical data of low-grade glioma (LGG) and glioblastoma cohorts were obtained from The Cancer Genome Atlas database and analyzed to determine the association between CDK5 expression and glioma clinicopathological characteristics. Kaplan-Meier survival analysis was performed for prognosis analysis. Gene set enrichment analysis (GSEA) was used to identify the biological pathways involved in differential CDK5 expression. In vitro experiments were performed to explore the effects of CDK5 on glioma cell functions. Results: CDK5 expression was substantially higher in glioblastoma than in LGG. GSEA showed that some metabolism-related pathways were associated with the high CDK5 expression phenotype. In vitro experiments showed that CDK5 knockdown impaired cell proliferation and colony formation ability, and induced apoptosis and cell cycle arrest. Conclusion: CDK5 may act as a potential biomarker of glioma progression and a valid target for glioma therapy.
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Affiliation(s)
- Yan Zhou
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xuan Wang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Peng Lv
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,Department of Neurosurgery, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei, 441300, China
| | - Hao Yu
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaobing Jiang
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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21
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Tubita A, Tusa I, Rovida E. Playing the Whack-A-Mole Game: ERK5 Activation Emerges Among the Resistance Mechanisms to RAF-MEK1/2-ERK1/2- Targeted Therapy. Front Cell Dev Biol 2021; 9:647311. [PMID: 33777953 PMCID: PMC7991100 DOI: 10.3389/fcell.2021.647311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 02/19/2021] [Indexed: 12/12/2022] Open
Abstract
Molecularly tailored therapies have opened a new era, chronic myeloid leukemia being the ideal example, in the treatment of cancer. However, available therapeutic options are still unsatisfactory in many types of cancer, and often fail due to the occurrence of resistance mechanisms. With regard to small-molecule compounds targeting the components of the Mitogen-Activated Protein Kinase (MAPK) cascade RAF-MEK1/2-ERK1/2, these drugs may result ineffective as a consequence of the activation of compensatory pro-survival/proliferative signals, including receptor tyrosine kinases, PI3K, as well as other components of the MAPK family such as TPL2/COT. The MAPK ERK5 has been identified as a key signaling molecule in the biology of several types of cancer. In this review, we report pieces of evidence regarding the activation of the MEK5-ERK5 pathway as a resistance mechanism to RAF-MEK1/2-ERK1/2 inhibitors. We also highlight the known and possible mechanisms underlying the cross-talks between the ERK1/2 and the ERK5 pathways, the characterization of which is of great importance to maximize, in the future, the impact of RAF-MEK1/2-ERK1/2 targeting. Finally, we emphasize the need of developing additional therapeutically relevant MEK5-ERK5 inhibitors to be used for combined treatments, thus preventing the onset of resistance to cancer therapies relying on RAF-MEK1/2-ERK1/2 inhibitors.
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Affiliation(s)
- Alessandro Tubita
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Ignazia Tusa
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Elisabetta Rovida
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
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22
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Lai DM, Bi JJ, Chen YH, Wu YD, Huang QW, Li HJ, Zhang S, Fu Z, Tong YX. CCNI2 plays a promoting role in the progression of colorectal cancer. Cancer Med 2021; 10:1913-1924. [PMID: 33620152 PMCID: PMC7957193 DOI: 10.1002/cam4.3504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/02/2020] [Accepted: 09/02/2020] [Indexed: 11/28/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most common malignancies and most of the patients diagnosed with advanced CRC have unsatisfactory treatment effect and poor prognosis. The purpose of this study was to investigate the effect of CCNI2 on the development of CRC. In this sutdy, immunohistochemical staining was used to detect CCNI2 expression levels in clinical samples, meanwhile, the Kaplan‐Meier survival analysis was conducted. Celigo cell counting assay was used for screening shCCNI2s. QPCR and WB were performed to verify knockdown efficiency of CCNI2. Cell proliferation, colony formation, cell cycle, apoptosis, and mechanism investigation of CCNI2 knockdown were investigated by MTT assay, colony formation assay, fluorescence‐activated cell sorting, and human apoptosis antibody array, respectively. Otherwise, the mouse model of CCNI2 knockdown was also constructed. The results of immunohistochemical staining and qPCR indicated that CCNI2 had a high expression level in the CRC tissues and cell lines. Kaplan‐Meier survival analysis manifested that the high expression of CCNI2 suggested poor prognosis. The expression of CCNI2 was significantly reduced by CCNI2‐siRNAs, and the downregulated expression level of CCNI2 inhibited CRC cell proliferation and colony formation, arrested cell cycle in G2 phase, as well as promoted cell apoptosis. The various indexes of solid tumor in mice models indicated that CCNI2 knockdown could suppress the growth of CRC tumor. Based on the comprehensive analysis of the above results, CCNI2 was contributed to the progression of CRC and could serve as a prognostic marker for CRC.
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Affiliation(s)
- Dong-Ming Lai
- Department of Gastrointestinal Surgery, Sun Yat-sen memorial hospital affiliated Sen Yat-sen University, Guangzhou, China
| | - Jiang-Jiang Bi
- Department of Anesthesiology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yong-Hui Chen
- Department of GI Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yu-Di Wu
- Department of GI Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qing-Wen Huang
- Department of GI Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hai-Jie Li
- Department of GI Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Sheng Zhang
- Department of GI Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zheng Fu
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA
| | - Yi-Xin Tong
- Department of GI Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei, China
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23
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Bhatt AB, Patel S, Matossian MD, Ucar DA, Miele L, Burow ME, Flaherty PT, Cavanaugh JE. Molecular Mechanisms of Epithelial to Mesenchymal Transition Regulated by ERK5 Signaling. Biomolecules 2021; 11:biom11020183. [PMID: 33572742 PMCID: PMC7911413 DOI: 10.3390/biom11020183] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/17/2021] [Accepted: 01/26/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular signal-regulated kinase (ERK5) is an essential regulator of cancer progression, tumor relapse, and poor patient survival. Epithelial to mesenchymal transition (EMT) is a complex oncogenic process, which drives cell invasion, stemness, and metastases. Activators of ERK5, including mitogen-activated protein kinase 5 (MEK5), tumor necrosis factor α (TNF-α), and transforming growth factor-β (TGF-β), are known to induce EMT and metastases in breast, lung, colorectal, and other cancers. Several downstream targets of the ERK5 pathway, such as myocyte-specific enhancer factor 2c (MEF2C), activator protein-1 (AP-1), focal adhesion kinase (FAK), and c-Myc, play a critical role in the regulation of EMT transcription factors SNAIL, SLUG, and β-catenin. Moreover, ERK5 activation increases the release of extracellular matrix metalloproteinases (MMPs), facilitating breakdown of the extracellular matrix (ECM) and local tumor invasion. Targeting the ERK5 signaling pathway using small molecule inhibitors, microRNAs, and knockdown approaches decreases EMT, cell invasion, and metastases via several mechanisms. The focus of the current review is to highlight the mechanisms which are known to mediate cancer EMT via ERK5 signaling. Several therapeutic approaches that can be undertaken to target the ERK5 pathway and inhibit or reverse EMT and metastases are discussed.
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Affiliation(s)
- Akshita B. Bhatt
- Department of Pharmacology, School of Pharmacy, Duquesne University, Pittsburgh, PA 15282, USA;
| | - Saloni Patel
- Department of Medicinal Chemistry, School of Pharmacy, Duquesne University, Pittsburgh, PA 15282, USA; (S.P.); (P.T.F.)
| | - Margarite D. Matossian
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (M.D.M.); (M.E.B.)
| | - Deniz A. Ucar
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA; (D.A.U.); (L.M.)
| | - Lucio Miele
- Department of Genetics and Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA; (D.A.U.); (L.M.)
| | - Matthew E. Burow
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA; (M.D.M.); (M.E.B.)
| | - Patrick T. Flaherty
- Department of Medicinal Chemistry, School of Pharmacy, Duquesne University, Pittsburgh, PA 15282, USA; (S.P.); (P.T.F.)
| | - Jane E. Cavanaugh
- Department of Pharmacology, School of Pharmacy, Duquesne University, Pittsburgh, PA 15282, USA;
- Correspondence: ; Tel.: +1-412-760-3503
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24
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Do PA, Lee CH. The Role of CDK5 in Tumours and Tumour Microenvironments. Cancers (Basel) 2020; 13:E101. [PMID: 33396266 PMCID: PMC7795262 DOI: 10.3390/cancers13010101] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/27/2020] [Accepted: 12/28/2020] [Indexed: 12/11/2022] Open
Abstract
Cyclin-dependent kinase 5 (CDK5), which belongs to the protein kinase family, regulates neuronal function but is also associated with cancer development and has been proposed as a target for cancer treatment. Indeed, CDK5 has roles in cell proliferation, apoptosis, angiogenesis, inflammation, and immune response. Aberrant CDK5 activation triggers tumour progression in numerous types of cancer. In this review, we summarise the role of CDK5 in cancer and neurons and CDK5 inhibitors. We expect that our review helps researchers to develop CDK5 inhibitors as treatments for refractory cancer.
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Affiliation(s)
| | - Chang Hoon Lee
- Phamaceutical Biochemistry, College of Pharmacy, BK21 FOUR Team, and Integrated Research Institute for Drug Development, Dongguk University, Goyang 100-715, Korea;
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25
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Abstract
Disparities in cancer patient responses have prompted widespread searches to identify differences in sensitive vs. nonsensitive populations and form the basis of personalized medicine. This customized approach is dependent upon the development of pathway-specific therapeutics in conjunction with biomarkers that predict patient responses. Here, we show that Cdk5 drives growth in subgroups of patients with multiple types of neuroendocrine neoplasms. Phosphoproteomics and high throughput screening identified phosphorylation sites downstream of Cdk5. These phosphorylation events serve as biomarkers and effectively pinpoint Cdk5-driven tumors. Toward achieving targeted therapy, we demonstrate that mouse models of neuroendocrine cancer are responsive to selective Cdk5 inhibitors and biomimetic nanoparticles are effective vehicles for enhanced tumor targeting and reduction of drug toxicity. Finally, we show that biomarkers of Cdk5-dependent tumors effectively predict response to anti-Cdk5 therapy in patient-derived xenografts. Thus, a phosphoprotein-based diagnostic assay combined with Cdk5-targeted therapy is a rational treatment approach for neuroendocrine malignancies.
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26
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Tang H, Xu L, Cen X, Yang L, Feng J, Li G, Zhu H, Gao S, Yu Y, Zhao Y, Tian Z, Hou L, Yu S, Gao G. CDK5 inhibition in vitro and in vivo induces cell death in myeloma and overcomes the obstacle of bortezomib resistance. Int J Mol Med 2020; 45:1661-1672. [PMID: 32236619 PMCID: PMC7169959 DOI: 10.3892/ijmm.2020.4553] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 01/15/2020] [Indexed: 12/13/2022] Open
Abstract
The emergence of new drugs is a major feature of the treatment history of multiple myeloma (MM), which also reflects the current incurability of MM. As a unique member of cyclin dependent kinase (CDK) family, CDK5 participates in numerous tumorigenic or non-tumorigenic processes. The aim of this study is to investigate the effects of CDK5 on the viability of MM cells and bortezomib resistance using western blotting, immunohistochemistry, transient transfection, MTT assays, cell cycle analysis, apoptosis assays and a myeloma xenograft mouse model. The present study found that MM patients with high CDK5 expression in the bone marrow do not respond well to bortezomib, have higher DS stage and worse prognosis. Genetic and pharmacological (dinaciclib) inhibition of CDK5 triggers MM cell viability inhibition. Dinaciclib induces G2/M arrest and apoptosis of MM cells. In vivo experiments with myeloma xenograft mice indicate that dinaciclib significantly reduces the volume of tumors with good tolerance. Dinaciclib combined with bortezomib exerts a synergistic anti-myeloma activity accompanied by inhibiting the activation of the nuclear factor-κB pathway. This study demonstrates the important role of CDK5 in the pathogenesis, viability, prognosis and resistance to bortezomib of MM, laying a solid theoretical foundation for further clinical use of CDK5 inhibitors.
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Affiliation(s)
- Hailong Tang
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Li Xu
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Xi Cen
- Department of Public Health Sciences, University of Rochester, Rochester, NY 14642, USA
| | - Li Yang
- Department of Pathology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Juan Feng
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Guang Li
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Huafeng Zhu
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Shan Gao
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Yan Yu
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Yaping Zhao
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Zhiqiang Tian
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Liping Hou
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Shuchun Yu
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Guangxun Gao
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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Jiang W, Cai F, Xu H, Lu Y, Chen J, Liu J, Cao N, Zhang X, Chen X, Huang Q, Zhuang H, Hua ZC. Extracellular signal regulated kinase 5 promotes cell migration, invasion and lung metastasis in a FAK-dependent manner. Protein Cell 2020; 11:825-845. [PMID: 32144580 PMCID: PMC7647985 DOI: 10.1007/s13238-020-00701-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 02/09/2020] [Indexed: 12/12/2022] Open
Abstract
This study was designed to evaluate ERK5 expression in lung cancer and malignant melanoma progression and to ascertain the involvement of ERK5 signaling in lung cancer and melanoma. We show that ERK5 expression is abundant in human lung cancer samples, and elevated ERK5 expression in lung cancer was linked to the acquisition of increased metastatic and invasive potential. Importantly, we observed a significant correlation between ERK5 activity and FAK expression and its phosphorylation at the Ser910 site. Mechanistically, ERK5 increased the expression of the transcription factor USF1, which could transcriptionally upregulate FAK expression, resulting in FAK signaling activation to promote cell migration. We also provided evidence that the phosphorylation of FAK at Ser910 was due to ERK5 but not ERK1/2, and we then suggested a role for Ser910 in the control of cell motility. In addition, ERK5 had targets in addition to FAK that regulate epithelial-to-mesenchymal transition and cell motility in cancer cells. Taken together, our findings uncover a cancer metastasis-promoting role for ERK5 and provide the rationale for targeting ERK5 as a potential therapeutic approach.
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Affiliation(s)
- Weiwei Jiang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Fangfang Cai
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Huangru Xu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Yanyan Lu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Jia Chen
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Jia Liu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Nini Cao
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Xiangyu Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Xiao Chen
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Qilai Huang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China
| | - Hongqin Zhuang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China.
| | - Zi-Chun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, 210023, China. .,Changzhou High-Tech Research Institute of Nanjing University and Jiangsu TargetPharma Laboratories Inc., Changzhou, 213164, China.
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28
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Yi M, Li T, Qin S, Yu S, Chu Q, Li A, Wu K. Identifying Tumorigenesis and Prognosis-Related Genes of Lung Adenocarcinoma: Based on Weighted Gene Coexpression Network Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4169691. [PMID: 32149105 PMCID: PMC7035528 DOI: 10.1155/2020/4169691] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 01/18/2020] [Indexed: 02/07/2023]
Abstract
Lung adenocarcinoma is the most frequently diagnosed subtype of nonsmall cell lung cancer. The molecular mechanisms of the initiation and progression of lung adenocarcinoma remain to be further determined. This study aimed to screen genes related to the progression of lung adenocarcinoma. By weighted gene coexpression network analysis (WGCNA), we constructed a free-scale gene coexpression network to evaluate the correlations between multiple gene sets and patients' clinical traits, then further identify predictive biomarkers. GSE11969 was obtained from the Gene Expression Omnibus (GEO) database which contained the gene expression data of 90 lung adenocarcinoma patients. Data of the Cancer Genome Atlas (TCGA) were employed as the validation cohort. After the average linkage hierarchical clustering, a total of 9 modules were generated. In the clinical significant module (R = 0.44, P < 0.0001), we identified 29 network hub genes. Subsequent verification in the TCGA database showed that 11 hub genes (ANLN, CDCA5, FLJ21924, LMNB1, MAD2L1, RACGAP1, RFC4, SNRPD1, TOP2A, TTK, and ZWINT) were significantly associated with poor survival data of lung adenocarcinomas. Besides, the results of receiver operating characteristic curves indicated that the mRNA levels of this group of genes exhibited high specificity and sensitivity to distinguish malignant lesions from nonmalignant tissues. Apart from mRNA levels, we found that the protein abundances of these 11 genes were remarkably upregulated in lung adenocarcinomas compared with normal tissues. In conclusion, by the WGCNA method, a panel of 11 genes were identified as predictive biomarkers for tumorigenesis and poor prognosis of lung adenocarcinomas.
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Affiliation(s)
- Ming Yi
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Tianye Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Shuang Qin
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shengnan Yu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qian Chu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Anping Li
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, China
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, China
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29
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Targeted Avenues for Cancer Treatment: The MEK5-ERK5 Signaling Pathway. Trends Mol Med 2020; 26:394-407. [PMID: 32277933 DOI: 10.1016/j.molmed.2020.01.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 11/20/2019] [Accepted: 01/21/2020] [Indexed: 12/13/2022]
Abstract
Twenty years have passed since extracellular signal-regulated kinase 5 (ERK5) and its upstream activator, mitogen-activated protein kinase 5 (MEK5), first emerged onto the cancer research scene. Although we have come a long way in defining the liaison between dysregulated MEK5-ERK5 signaling and the pathogenesis of epithelial and nonepithelial malignancies, selective targeting of this unique pathway remains elusive. Here, we provide an updated review of the existing evidence for a correlation between aberrant MEK5-ERK5 (phospho)proteomic/transcriptomic profiles, aggressive cancer states, and poor patient outcomes. We then focus on emerging insights from preclinical models regarding the relevance of upregulated ERK5 activity in promoting tumor growth, metastasis, therapy resistance, undifferentiated traits, and immunosuppression, highlighting the opportunities, prospects, and challenges of selectively blocking this cascade for antineoplastic treatment and chemosensitization.
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30
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Zhang M, Shi R, Guo Z, He J. Cancer-associated fibroblasts promote cell growth by activating ERK5/PD-L1 signaling axis in colorectal cancer. Pathol Res Pract 2020; 216:152884. [PMID: 32199628 DOI: 10.1016/j.prp.2020.152884] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/22/2020] [Accepted: 02/12/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is one of the most common diseases, accounting for about 10 % cancer-related deaths. Previous studies have found that caner-associated fibroblasts (CAFs) are closely related to the occurrence and metastasis of CRC, but the detailed mechanism is not precise. METHODS Tumor cells and fibroblasts were co-cultured with a transwell system. Cell Counting Kit-8 and colony formation assays were performed to test the ability of cell proliferation. The flow cytometry was used to detect cell apoptosis. Western Blot was performed to assess protein expression levels. Quantitative real-time PCR was performed to detect mRNA expression levels. ERK5-IN-1 was used to inhibit the autophosphorylation of ERK5. RESULTS CAFs promoted cell proliferation and inhibited cell apoptosis in CRC cells. CAFs promoted the phosphorylation of ERK5 and the expression of programmed death-ligand 1 (PD-L1). Activated ERK5 promotes cell proliferation and inhibited cell apoptosis in CRC cells. The expression levels of ERK5 correlated with the expression of PD-L1 in CRC cells. CAFs promote cell growth by activating the ERK5/PD-L1 signaling axis in colorectal cancer. CONCLUSIONS CAFs significantly promoted cell proliferation and inhibited cell apoptosis in CRC cells, which features are dependent on regulating the ERK5/PD-L1 signaling axis.
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Affiliation(s)
- Mengyan Zhang
- Department of Oncology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China
| | - Ran Shi
- Department of Oncology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China
| | - Zhongying Guo
- Department of Pathology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China
| | - Jingdong He
- Department of Oncology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China.
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31
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Ahn S, Jang DM, Park SC, An S, Shin J, Han BW, Noh M. Cyclin-Dependent Kinase 5 Inhibitor Butyrolactone I Elicits a Partial Agonist Activity of Peroxisome Proliferator-Activated Receptor γ. Biomolecules 2020; 10:biom10020275. [PMID: 32054125 PMCID: PMC7072624 DOI: 10.3390/biom10020275] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/07/2020] [Accepted: 02/07/2020] [Indexed: 12/15/2022] Open
Abstract
Adiponectin is an adipocyte-derived cytokine having an insulin-sensitizing activity. During the phenotypic screening of secondary metabolites derived from the marine fungus Aspergillus terreus, a poly cyclin-dependent kinase (CDK) inhibitor butyrolactone I affecting CDK1 and CDK5 was discovered as a potent adiponectin production-enhancing compound in the adipogenesis model of human bone marrow-derived mesenchymal stem cells (hBM-MSCs). CDK5 inhibitors exhibit insulin-sensitizing activities by suppressing the phosphorylation of peroxisome proliferator-activated receptor γ (PPARγ). However, the adiponectin production-enhancing activities of butyrolactone I have not been correlated with the potency of CDK5 inhibitor activities. In a target identification study, butyrolactone I was found to directly bind to PPARγ. In the crystal structure of the human PPARγ, the ligand-binding domain (LBD) in complex with butyrolactone I interacted with the amino acid residues located in the hydrophobic binding pockets of the PPARγ LBD, which is a typical binding mode of the PPARγ partial agonists. Therefore, the adiponectin production-enhancing effect of butyrolactone I was mediated by its polypharmacological dual modulator activities as both a CDK5 inhibitor and a PPARγ partial agonist.
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Affiliation(s)
- Sungjin Ahn
- Natural Products Research Institute, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea; (S.A.); (S.C.P.); (J.S.)
| | - Dong Man Jang
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea;
| | - Sung Chul Park
- Natural Products Research Institute, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea; (S.A.); (S.C.P.); (J.S.)
| | - Seungchan An
- Natural Products Research Institute, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea; (S.A.); (S.C.P.); (J.S.)
| | - Jongheon Shin
- Natural Products Research Institute, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea; (S.A.); (S.C.P.); (J.S.)
| | - Byung Woo Han
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea;
- Correspondence: (M.N); (B.W.H); Tel.: +82-2-880-7898 (B.W.H.); +82-2-880-2481 (M.N.)
| | - Minsoo Noh
- Natural Products Research Institute, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea; (S.A.); (S.C.P.); (J.S.)
- Correspondence: (M.N); (B.W.H); Tel.: +82-2-880-7898 (B.W.H.); +82-2-880-2481 (M.N.)
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Beyond Kinase Activity: ERK5 Nucleo-Cytoplasmic Shuttling as a Novel Target for Anticancer Therapy. Int J Mol Sci 2020; 21:ijms21030938. [PMID: 32023850 PMCID: PMC7038028 DOI: 10.3390/ijms21030938] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 01/28/2020] [Accepted: 01/29/2020] [Indexed: 01/18/2023] Open
Abstract
The importance of mitogen-activated protein kinases (MAPK) in human pathology is underlined by the relevance of abnormalities of MAPK-related signaling pathways to a number of different diseases, including inflammatory disorders and cancer. One of the key events in MAPK signaling, especially with respect to pro-proliferative effects that are crucial for the onset and progression of cancer, is MAPK nuclear translocation and its role in the regulation of gene expression. The extracellular signal-regulated kinase 5 (ERK5) is the most recently discovered classical MAPK and it is emerging as a possible target for cancer treatment. The bigger size of ERK5 when compared to other MAPK enables multiple levels of regulation of its expression and activity. In particular, the phosphorylation of kinase domain and C-terminus, as well as post-translational modifications and chaperone binding, are involved in ERK5 regulation. Likewise, different mechanisms control ERK5 nucleo-cytoplasmic shuttling, underscoring the key role of ERK5 in the nuclear compartment. In this review, we will focus on the mechanisms involved in ERK5 trafficking between cytoplasm and nucleus, and discuss how these processes might be exploited to design new strategies for cancer treatment.
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33
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Sharma S, Sicinski P. A kinase of many talents: non-neuronal functions of CDK5 in development and disease. Open Biol 2020; 10:190287. [PMID: 31910742 PMCID: PMC7014686 DOI: 10.1098/rsob.190287] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The cyclin-dependent kinase 5 (CDK5) represents an unusual member of the family of cyclin-dependent kinases, which is activated upon binding to non-cyclin p35 and p39 proteins. The role of CDK5 in the nervous system has been very well established. In addition, there is growing evidence that CDK5 is also active in non-neuronal tissues, where it has been postulated to affect a variety of functions such as the immune response, angiogenesis, myogenesis, melanogenesis and regulation of insulin levels. Moreover, high levels of CDK5 have been observed in different tumour types, and CDK5 was proposed to play various roles in the tumorigenic process. In this review, we discuss these various CDK5 functions in normal physiology and disease, and highlight the therapeutic potential of targeting CDK5.
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Affiliation(s)
- Samanta Sharma
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.,Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA 02215, USA
| | - Piotr Sicinski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.,Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA 02215, USA
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34
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Prince GMSH, Yang TY, Lin H, Chen MC. Mechanistic insight of cyclin-dependent kinase 5 in modulating lung cancer growth. CHINESE J PHYSIOL 2019; 62:231-240. [PMID: 31793458 DOI: 10.4103/cjp.cjp_67_19] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Lung harbors the growth of primary and secondary tumors. Even though numerous factors regulate the complex signal transduction and cytoskeletal remodeling toward the progression of lung cancer, cyclin-dependent kinase 5 (Cdk5), a previously known kinase in the central nervous system, has raised much attention in the recent years. Patients with aberrant Cdk5 expression also lead to poor survival. Cdk5 has already been employed in various cellular processes which shape the fate of cancer. In lung cancer, Cdk5 mainly regulates tumor suppressor genes, carcinogenesis, cytoskeletal remodeling, and immune checkpoints. Inhibiting Cdk5 by using drugs, siRNA or CRISP-Cas9 system has rendered crucial therapeutic advantage in the combat against lung cancer. Thus, the relation of Cdk5 to lung cancer needs to be addressed in detail. In this review, we will discuss various cellular events modulated by Cdk5 and we will go further into their underlying mechanism in lung cancer.
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Affiliation(s)
| | - Tsung-Ying Yang
- Department of Internal Medicine, Division of Chest Medicine, Taichung Veterans General Hospital, Taichung; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Ho Lin
- Department of Life Sciences; Program in Translational Medicine and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Mei-Chih Chen
- Department of Nursing, Asia University; Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
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35
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Shen Z, Feng X, Fang Y, Li Y, Li Z, Zhan Y, Lin M, Li G, Ding Y, Deng H. POTEE drives colorectal cancer development via regulating SPHK1/p65 signaling. Cell Death Dis 2019; 10:863. [PMID: 31723122 PMCID: PMC6853991 DOI: 10.1038/s41419-019-2046-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/08/2019] [Accepted: 10/03/2019] [Indexed: 12/24/2022]
Abstract
Aberrant gene expression plays critical roles in the development of colorectal cancer (CRC). Here we show that POTEE, which was identified as a member E of POTE ankyrin domain family, was significantly upregulated in colorectal tumors and predicted poor overall survival of CRC patients. In CRC cells, POTEE could act as an oncogene and could promote cell growth, cell-cycle progression, inhibit apoptosis, and elevates xenograft tumor growth. Mechanically, we used microarray analysis and identified a POTEE/SPHK1/p65 signaling axis, which affected the biological functions of CRC cells. Further evaluation showed that overexpression of POTEE could increase the protein expression of SPHK1, followed by promoting the phosphorylation and activation of p65 protein. Altogether, our findings suggested a POTEE/SPHK1/p65 signaling axis could promote colorectal tumorigenesis and POTEE might potentially serve as a novel biomarker for the diagnosis and an intervention of colorectal cancer.
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Affiliation(s)
- Zhiyong Shen
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Xiaochuang Feng
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Yuan Fang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Yongsheng Li
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Zhenkang Li
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Yizhi Zhan
- Department of Pathology, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Mingdao Lin
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Guoxin Li
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China
| | - Yi Ding
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China.
| | - Haijun Deng
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave., 510515, Guangzhou, Guangdong Province, China.
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Ruiz de Porras V, Bystrup S, Cabrero-de Las Heras S, Musulén E, Palomero L, Alonso MH, Nieto R, Arango D, Moreno V, Queralt C, Manzano JL, Layos L, Bugés C, Martinez-Balibrea E. Tumor Expression of Cyclin-Dependent Kinase 5 (Cdk5) Is a Prognostic Biomarker and Predicts Outcome of Oxaliplatin-Treated Metastatic Colorectal Cancer Patients. Cancers (Basel) 2019; 11:cancers11101540. [PMID: 31614664 PMCID: PMC6826373 DOI: 10.3390/cancers11101540] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/09/2019] [Accepted: 10/09/2019] [Indexed: 12/13/2022] Open
Abstract
In recent years, an increasing number of studies have shown that elevated expression of cyclin dependent kinase (Cdk5) contributes to the oncogenic initiation and progression of many types of cancers. In this study, we investigated the expression pattern of Cdk5 in colorectal cancer (CRC) cell lines and in a large number of tumor samples in order to evaluate its relevance in this pathogenesis and possible use as a prognostic marker. We found that Cdk5 is highly expressed and activated in CRC cell lines and that silencing of the kinase decreases their migration ability. In tumor tissues, Cdk5 is overexpressed compared to normal tissues due to a copy number gain. In patients with localized disease, we found that high Cdk5 levels correlate with poor prognosis, while in the metastatic setting, this was only the case for patients receiving an oxaliplatin-based treatment. When exploring the Cdk5 levels in the consensus molecular subtypes (CMS), we found the lowest levels in subtype 1, where high Cdk5 again was associated with a poorer prognosis. In conclusion, we confirm that Cdk5 is involved in CRC and disease progression and that it could serve as a prognostic and predictive biomarker in this disease.
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Affiliation(s)
- Vicenç Ruiz de Porras
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - Sara Bystrup
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - Sara Cabrero-de Las Heras
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - Eva Musulén
- Department of Pathology, Hospital Universitari Germans Trias i Pujol, Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Department of Pathology, Hospital Universitari General de Catalunya, Grupo Quirónsalud, Pedro i Pons 1, 08195 Sant Cugat del Valles, Spain.
| | - Luis Palomero
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, 08908 L'Hospitalet del Llobregat, Barcelona, Spain.
- ONCOBELL Program, Bellvitge Institute for Biomedical Research, 08908 L'Hospitalet del Llobregat, Barcelona, Spain.
| | - Maria Henar Alonso
- ONCOBELL Program, Bellvitge Institute for Biomedical Research, 08908 L'Hospitalet del Llobregat, Barcelona, Spain.
- Oncology Data Analytics Program, Institut Català d'Oncologia (ICO), 08908 Barcelona, Spain.
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain.
- Department of Clinical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, 08907 Barcelona, Spain.
| | - Rocio Nieto
- Group of Biomedical Research in Digestive Tract Tumors, CIBBIM-Nanomedicine, Vall d'Hebron University Hospital, Research Institute (VHIR), Universitat Autònoma de Barcelona, Passeig Vall d'Hebron, 119-129, 08035 Barcelona, Spain.
| | - Diego Arango
- Group of Biomedical Research in Digestive Tract Tumors, CIBBIM-Nanomedicine, Vall d'Hebron University Hospital, Research Institute (VHIR), Universitat Autònoma de Barcelona, Passeig Vall d'Hebron, 119-129, 08035 Barcelona, Spain.
| | - Víctor Moreno
- ONCOBELL Program, Bellvitge Institute for Biomedical Research, 08908 L'Hospitalet del Llobregat, Barcelona, Spain.
- Oncology Data Analytics Program, Institut Català d'Oncologia (ICO), 08908 Barcelona, Spain.
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain.
- Department of Clinical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, 08907 Barcelona, Spain.
| | - Cristina Queralt
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - José Luis Manzano
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Medical Oncology Service, Catalan Institute of Oncology (ICO), 08908, Spain.
- B-ARGO group, Germans Trias I Pujol Research Institute (IGTP), Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - Laura Layos
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Medical Oncology Service, Catalan Institute of Oncology (ICO), 08908, Spain.
- B-ARGO group, Germans Trias I Pujol Research Institute (IGTP), Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - Cristina Bugés
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Medical Oncology Service, Catalan Institute of Oncology (ICO), 08908, Spain.
- B-ARGO group, Germans Trias I Pujol Research Institute (IGTP), Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
| | - Eva Martinez-Balibrea
- Program of predictive and personalized cancer medicine (PMPPC) Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain.
- Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology, Ctra. Can Ruti- Camí de les escoles s/n, 08916 Badalona, Spain.
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MicroRNA-505-5p functions as a tumor suppressor by targeting cyclin-dependent kinase 5 in cervical cancer. Biosci Rep 2019; 39:BSR20191221. [PMID: 31266812 PMCID: PMC6658724 DOI: 10.1042/bsr20191221] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/19/2019] [Accepted: 07/02/2019] [Indexed: 12/28/2022] Open
Abstract
MicroRNAs (miRs) are considered to be tumor suppressors or oncogenes as they regulate cell proliferation, migration, invasion, and differentiation. Recently, microRNA-505 (miR-505) has been reported as being involved in the progression of several human cancers. In the present study, we aim to investigate the expression rate and functional role of miR-505-5p in cervical cancer (CC) to determine its significance regarding the disease’s development. The expression of miR-505-5p and cyclin-dependent kinase 5 (CDK5) in specimens of patients with CC and CC cell lines was examined by quantitative real-time PCR (qRT-PCR) and Western Blot. The relationship between miR-505-5p and CDK5 was verified by luciferase reporter assay. Cell counting kit-8 (CCK-8) assay, Scratch wound healing assay and transwell assay were used to detect the roles of miR-505-5p and CDK5 in CC cell functions. Western Blot was utilized to explore the epithelial–mesenchymal transition (EMT) markers. The result showed that in CC tissues and CC cell lines miR-505-5p was down-regulated while CDK5 level was up-regulated. MiR-505-5p was closely correlated with the metastasis-associated clinicopathological features. Overexpression of miR-505-5p inhibited cell viability, cell metastasis and EMT in CC cells. CDK5 was confirmed as a direct target of miR-505-5p and inverse relationship between them was also observed. Overexpression of CDK5 reduces the inhibitory effects of miR-505-5p in CC. Taken together, these results determine that miR-505-5p is a tumor suppressor miRNA which regulates tumor cell proliferation, migration, and invasion via binding to the functional target CDK5 and demonstrates its potential for future use in the treatment of CC.
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Identification of Transcriptional Signatures of Colon Tumor Stroma by a Meta-Analysis. JOURNAL OF ONCOLOGY 2019; 2019:8752862. [PMID: 31186640 PMCID: PMC6521457 DOI: 10.1155/2019/8752862] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 03/31/2019] [Indexed: 12/24/2022]
Abstract
Background The tumor stroma plays pivotal roles in influencing tumor growth, invasion, and metastasis. Transcriptional signatures of colon tumor stroma (CTS) are significantly associated with prognosis of colon cancer. Thus, identification of the CTS transcriptional features could be useful for colon cancer diagnosis and therapy. Methods By a meta-analysis of three CTS gene expression profiles datasets, we identified differentially expressed genes (DEGs) between CTS and colon normal stroma. Furthermore, we identified the pathways, upstream regulators, and protein-protein interaction (PPI) network that were significantly associated with the DEGs. Moreover, we analyzed the enrichment levels of immune signatures in CTS. Finally, we identified CTS-associated gene signatures whose expression was significantly associated with prognosis in colon cancer. Results We identified numerous significantly upregulated genes (such as CTHRC1, NFE2L3, SULF1, SOX9, ENC1, and CCND1) and significantly downregulated genes (such as MYOT, ASPA, KIAA2022, ARHGEF37, BCL-2, and PPARGC1A) in CTS versus colon normal stroma. Furthermore, we identified significantly upregulated pathways in CTS that were mainly involved in cellular development, immune regulation, and metabolism, as well as significantly downregulated pathways in CTS that were mostly metabolism-related. Moreover, we identified upstream TFs (such as SUZ12, NFE2L2, RUNX1, STAT3, and SOX2), kinases (such as MAPK14, CSNK2A1, CDK1, CDK2, and CDK4), and master metabolic transcriptional regulators (MMTRs) (such as HNF1A, NFKB1, ZBTB7A, GATA2, and GATA5) regulating the DEGs. We found that CD8+ T cells were more enriched in CTS than in colon normal stroma. Interestingly, we found that many of the DEGs and their regulators were prognostic markers for colon cancer, including CEBPB, PPARGC1, STAT3, MTOR, BCL2, JAK2, and CDK1. Conclusions The identification of CTS-specific transcriptional signatures may provide insights into the tumor microenvironment that mediates the development of colon cancer and has potential clinical implications for colon cancer diagnosis and treatment.
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Cortés N, Guzmán-Martínez L, Andrade V, González A, Maccioni RB. CDK5: A Unique CDK and Its Multiple Roles in the Nervous System. J Alzheimers Dis 2019; 68:843-855. [DOI: 10.3233/jad-180792] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Nicole Cortés
- Laboratory of Neurosciences, Faculty of Sciences, University of Chile, Santiago, Chile
- International Center for Biomedicine (ICC), Santiago, Chile
| | - Leonardo Guzmán-Martínez
- Laboratory of Neurosciences, Faculty of Sciences, University of Chile, Santiago, Chile
- International Center for Biomedicine (ICC), Santiago, Chile
| | - Víctor Andrade
- Laboratory of Neurosciences, Faculty of Sciences, University of Chile, Santiago, Chile
- International Center for Biomedicine (ICC), Santiago, Chile
| | - Andrea González
- Laboratory of Neurosciences, Faculty of Sciences, University of Chile, Santiago, Chile
- International Center for Biomedicine (ICC), Santiago, Chile
| | - Ricardo B. Maccioni
- Laboratory of Neurosciences, Faculty of Sciences, University of Chile, Santiago, Chile
- International Center for Biomedicine (ICC), Santiago, Chile
- Department of Neurological Sciences, Faculty of Medicine, East Campus, University of Chile, Santiago, Chile
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40
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Impact of ERK5 on the Hallmarks of Cancer. Int J Mol Sci 2019; 20:ijms20061426. [PMID: 30901834 PMCID: PMC6471124 DOI: 10.3390/ijms20061426] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/15/2019] [Accepted: 03/18/2019] [Indexed: 12/15/2022] Open
Abstract
Extracellular signal-regulated kinase 5 (ERK5) belongs to the mitogen-activated protein kinase (MAPK) family that consists of highly conserved enzymes expressed in all eukaryotic cells and elicits several biological responses, including cell survival, proliferation, migration, and differentiation. In recent years, accumulating lines of evidence point to a relevant role of ERK5 in the onset and progression of several types of cancer. In particular, it has been reported that ERK5 is a key signaling molecule involved in almost all the biological features of cancer cells so that its targeting is emerging as a promising strategy to suppress tumor growth and spreading. Based on that, in this review, we pinpoint the hallmark-specific role of ERK5 in cancer in order to identify biological features that will potentially benefit from ERK5 targeting.
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41
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Wang X, Ghareeb WM, Lu X, Huang Y, Huang S, Chi P. Coexpression network analysis linked H2AFJ to chemoradiation resistance in colorectal cancer. J Cell Biochem 2018; 120:10351-10362. [PMID: 30565747 DOI: 10.1002/jcb.28319] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 11/28/2018] [Indexed: 12/27/2022]
Abstract
Neoadjuvant chemoradiotherapy (CRT) resistance is a complex phenomenon and it remains a major problem for patients with a priori resistant tumor. Therefore, there is a strong need to investigate molecular biomarkers which may guide for treatment decision-making. In our study, weighted gene coexpression network analysis was applied to identify CRT-resistance hub modules in 12 colorectal cancer (CRC) cell lines with different CRT sensitivities from GSE20298 data set. The green module and purple module had the highest correlations with CRT resistance. Gene ontology enrichment analysis indicated that the function of these two modules focused on interferon-mediated signaling pathway, immune response, chromatin modulation, Rho GTPases activities, and regulation of apoptotic process. Then, 15 hub genes in both the coexpression and protein-protein interaction networks were selected. Among these hub genes, higher H2A histone family member J (H2AFJ) expression was independently validated in patient cohorts from two testing data sets of GSE46862 and GSE68204 to be related to CRT resistance. The receiver operating characteristic curve showed that H2AFJ could efficiently distinguish CRT-resistance cases from CRT-sensitive cases in another two testing data sets. Furthermore, meta-analysis of 12 Gene Expression Omnibus-sourced data sets showed that H2AFJ messenger RNA levels were significantly higher in CRC tissues than in normal colon tissues. High H2AFJ expression was correlated with a significant worse event- and relapse-free survival by analyzing the data from the R2: Genomics Analysis and Visualization Platform. Gene set enrichment analysis determined that the mechanism of H2AFJ-mediated CRT resistance might involve the ERK5 (MAPK7), human immunodeficiency virus Nef (HIV Nef), and inflammatory pathways. This study is the first, to the best of our knowledge, to implicate and verify H2AFJ as an effective new marker for CRT response prediction.
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Affiliation(s)
- Xiaojie Wang
- Department of Colorectal Surgery, Union Hospital, Fujian Medical University, Fuzhou, People's Republic of China
| | - Waleed M Ghareeb
- Department of Colorectal Surgery, Union Hospital, Fujian Medical University, Fuzhou, People's Republic of China.,Department of General and Gastrointestinal Surgery, Suez Canal University, Ismailia, Egypt
| | - Xingrong Lu
- Department of Colorectal Surgery, Union Hospital, Fujian Medical University, Fuzhou, People's Republic of China
| | - Ying Huang
- Department of Colorectal Surgery, Union Hospital, Fujian Medical University, Fuzhou, People's Republic of China
| | - Shenghui Huang
- Department of Colorectal Surgery, Union Hospital, Fujian Medical University, Fuzhou, People's Republic of China
| | - Pan Chi
- Department of Colorectal Surgery, Union Hospital, Fujian Medical University, Fuzhou, People's Republic of China
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Zeng J, Xie S, Liu Y, Shen C, Song X, Zhou GL, Wang C. CDK5 Functions as a Tumor Promoter in Human Lung Cancer. J Cancer 2018; 9:3950-3961. [PMID: 30410599 PMCID: PMC6218768 DOI: 10.7150/jca.25967] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 08/19/2018] [Indexed: 12/12/2022] Open
Abstract
Cyclin-dependent kinase 5 (CDK5), an atypical member of the cyclin-dependent kinase family, plays an important role in the nervous system. Recent studies have shown that CDK5 is also associated with tumors. However, few studies have been done to investigate the mechanism underlying the connection between CDK5 and cancers. To explore the role of CDK5 in cancers by using an extensive bioinformatics data mining process. We mined the transcriptional, survival, functions and structure of CDK5 gene through databases and in vitro experiments. We found that higher CDK5 expression levels in most cancer cell lines while lower expression in liver and brain cancer cell lines. High expression of CDK5 was associated with shorter overall survival (OS) in lung cancer. In addition, high expression level of CDK5 promoted lung cancer cells proliferation and metastasis. Inhibited CDK5 decreases CAP1 phosphorylation. CDK5 may prove to be a valid target of anticancer therapies.
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Affiliation(s)
- Jie Zeng
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, PR China
| | - Shuanshuan Xie
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, PR China
| | - Yang Liu
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, PR China
| | - Changxing Shen
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, PR China
| | - Xiaolian Song
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, PR China
| | - Guo-Lei Zhou
- Department of Biological Sciences, Arkansas State University, State University, AR 72467, USA.,Molecular Biosciences Program, Arkansas State University, State University, AR 72467, USA
| | - Changhui Wang
- Department of Respiratory Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, PR China
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Sun X, Zhang T, Deng Q, Zhou Q, Sun X, Li E, Yu D, Zhong C. Benzidine Induces Epithelial-Mesenchymal Transition of Human Bladder Cancer Cells through Activation of ERK5 Pathway. Mol Cells 2018; 41:188-197. [PMID: 29463068 PMCID: PMC5881092 DOI: 10.14348/molcells.2018.2113] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 11/24/2017] [Accepted: 12/20/2017] [Indexed: 12/17/2022] Open
Abstract
Benzidine, a known carcinogen, is closely associated with the development of bladder cancer (BC). Epithelial-mesenchymal transition (EMT) is a critical pathophysiological process in BC progression. The underlying molecular mechanisms of mitogen-activated protein kinase (MAPK) pathway, especially extracellular regulated protein kinases 5 (ERK5), in regulating benzidine-induced EMT remains unclarified. Hence, two human bladder cell lines, T24 and EJ, were utilized in our study. Briefly, cell migration was assessed by wound healing assay, and cell invasion was determined by Transwell assay. Quantitative PCR and western blot were utilized to determine both gene expressions as well as protein levels of EMT and MAPK, respectively. Small interfering RNA (siRNA) was transfected to further determine ERK5 function. As a result, the migration and invasion abilities were enhanced, epithelial marker expression was decreased while mesenchymal marker expression was increased in human BC cell lines. Meanwhile, benzidine administration led to activation of ERK5 and activator protein 1 (AP-1) proteins, without effective stimulation of the Jun N-terminal kinase (JNK) or p38 pathways. Moreover, Benzidine-induced EMT and ERK5 activation were completely suppressed by XMD8-92 and siRNAs specific to ERK5. Of note, ERK1/2 was activated in benzidine-treated T24 cells, while benzidine-induced EMT could not be reversed by U0126, an ERK1/2 inhibitor, as indicated by further study. Collectively, our findings revealed that ERK5-mediated EMT was critically involved in benzidine-correlated BC progression, indicating the therapeutic significance of ERK5 in benzidine-related BC.
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Affiliation(s)
- Xin Sun
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032,
PR China
| | - Tao Zhang
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032,
PR China
| | - Qifei Deng
- Second Department of Urology, Anhui Provincial Children’s Hospital, Hefei, Anhui 230032,
PR China
| | - Qirui Zhou
- Department of Otolaryngology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032,
PR China
| | - Xianchao Sun
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032,
PR China
| | - Enlai Li
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032,
PR China
| | - Dexin Yu
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230032,
PR China
| | - Caiyun Zhong
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166,
PR China
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Ouyang P, Lin B, Du J, Pan H, Yu H, He R, Huang Z. Global gene expression analysis of knockdown Triosephosphate isomerase (TPI) gene in human gastric cancer cell line MGC-803. Gene 2018; 647:61-72. [DOI: 10.1016/j.gene.2018.01.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/09/2017] [Accepted: 01/03/2018] [Indexed: 02/07/2023]
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45
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Robb CM, Kour S, Contreras JI, Agarwal E, Barger CJ, Rana S, Sonawane Y, Neilsen BK, Taylor M, Kizhake S, Thakare RN, Chowdhury S, Wang J, Black JD, Hollingsworth MA, Brattain MG, Natarajan A. Characterization of CDK(5) inhibitor, 20-223 (aka CP668863) for colorectal cancer therapy. Oncotarget 2017; 9:5216-5232. [PMID: 29435174 PMCID: PMC5797045 DOI: 10.18632/oncotarget.23749] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 11/10/2017] [Indexed: 12/15/2022] Open
Abstract
Colorectal cancer (CRC) remains one of the leading causes of cancer related deaths in the United States. Currently, there are limited therapeutic options for patients suffering from CRC, none of which focus on the cell signaling mechanisms controlled by the popular kinase family, cyclin dependent kinases (CDKs). Here we evaluate a Pfizer developed compound, CP668863, that inhibits cyclin-dependent kinase 5 (CDK5) in neurodegenerative disorders. CDK5 has been implicated in a number of cancers, most recently as an oncogene in colorectal cancers. Our lab synthesized and characterized CP668863 - now called 20-223. In our established colorectal cancer xenograft model, 20-223 reduced tumor growth and tumor weight indicating its value as a potential anti-CRC agent. We subjected 20-223 to a series of cell-free and cell-based studies to understand the mechanism of its anti-tumor effects. In our hands, in vitro 20-223 is most potent against CDK2 and CDK5. The clinically used CDK inhibitor AT7519 and 20-223 share the aminopyrazole core and we used it to benchmark the 20-223 potency. In CDK5 and CDK2 kinase assays, 20-223 was ∼3.5-fold and ∼65.3-fold more potent than known clinically used CDK inhibitor, AT7519, respectively. Cell-based studies examining phosphorylation of downstream substrates revealed 20-223 inhibits the kinase activity of CDK5 and CDK2 in multiple CRC cell lines. Consistent with CDK5 inhibition, 20-223 inhibited migration of CRC cells in a wound-healing assay. Profiling a panel of CRC cell lines for growth inhibitory effects showed that 20-223 has nanomolar potency across multiple CRC cell lines and was on an average >2-fold more potent than AT7519. Cell cycle analyses in CRC cells revealed that 20-223 phenocopied the effects associated with AT7519. Collectively, these findings suggest that 20-223 exerts anti-tumor effects against CRC by targeting CDK 2/5 and inducing cell cycle arrest. Our studies also indicate that 20-223 is a suitable lead compound for colorectal cancer therapy.
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Affiliation(s)
- Caroline M Robb
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Smit Kour
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Jacob I Contreras
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Ekta Agarwal
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Carter J Barger
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Sandeep Rana
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Yogesh Sonawane
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Beth K Neilsen
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Margaret Taylor
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Smitha Kizhake
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Rhishikesh N Thakare
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Sanjib Chowdhury
- Section of Gastroenterology, Department of Medicine, Boston University Medical Center, Boston, Massachusetts 02118, USA
| | - Jing Wang
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Jennifer D Black
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Michael A Hollingsworth
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Michael G Brattain
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
| | - Amarnath Natarajan
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, 985950 Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA.,Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198-5950, USA
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46
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Abstract
Selective abrogation of cyclin-dependent kinases (CDK) activity is a highly promising strategy in cancer treatment. The atypical CDK, CDK5 has long been known for its role in neurodegenerative diseases, and is becoming an attractive drug target for cancer therapy. Myriads of recent studies have uncovered that aberrant expression of CDK5 contributes to the oncogenic initiation and progression of multiple solid and hematological malignancies. CDK5 is also implicated in the regulation of cancer stem cell biology. In this review, we present the current state of knowledge of CDK5 as a druggable target for cancer treatment. We also provide a detailed outlook of designing selective and potent inhibitors of this enzyme.
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