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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: 29] [Impact Index Per Article: 9.7] [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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2
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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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Hu T, Sun D, Zhang J, Xue R, Janssen HLA, Tang W, Dong L. Spermine oxidase is upregulated and promotes tumor growth in hepatocellular carcinoma. Hepatol Res 2018; 48:967-977. [PMID: 29923661 DOI: 10.1111/hepr.13206] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 05/29/2018] [Accepted: 06/07/2018] [Indexed: 12/14/2022]
Abstract
AIM The polyamine catabolic enzyme, spermine oxidase (SMOX) is upregulated in chronic inflammatory conditions and linked to increased reactive oxygen species and DNA damage in various forms of cancers. The present study aims to explore the expression pattern and biological function of SMOX in hepatocellular carcinoma (HCC). METHODS We used quantitative real-time polymerase chain reaction, Western blotting, and immunohistochemistry to examine SMOX expression in four HCC cell lines and 120 HCC clinical samples, and the clinical significance of SMOX was analyzed. The biological function of SMOX on HCC cells was detected both in vitro and in vivo. RESULTS Results showed that SMOX was overexpressed in HCC cell lines and clinical HCC tissues. Moreover, SMOX expression levels were gradually increased in normal liver, chronic hepatitis, and HCC tissues. Increased SMOX expression was correlated with poor clinical features of HCC. Patients with positive SMOX expression in tumor tissues indicated worse overall survival (P = 0.008) and shorter relapse-free survival (P = 0.002). Knockdown of SMOX inhibited HCC cell proliferation, arrested cell cycle at S phase, and resulted in an increase of apoptosis. The in vivo study showed that inhibition of SMOX in HCC cells significantly repressed tumor growth in nude mice. Furthermore, we showed that SMOX might exert its function by regulating the phosphatidylinositol 3'-kinase/protein kinase B signaling pathway. CONCLUSION Our data indicated that SMOX upregulation could be a critical oncogene in HCC and might serve as a valuable prognostic marker and potential therapeutic target for HCC.
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Affiliation(s)
- Tingting Hu
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Dalong Sun
- Department of Gastroenterology and Hepatology, Shanghai Institute of Liver Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jie Zhang
- Department of Otolaryngology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Ruyi Xue
- Department of Gastroenterology and Hepatology, Shanghai Institute of Liver Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Harry L A Janssen
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands.,Toronto Center for Liver Disease, Toronto Western and General Hospital, University Health Network, Toronto, Canada
| | - Wenqing Tang
- Department of Gastroenterology and Hepatology, Shanghai Institute of Liver Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ling Dong
- Department of Gastroenterology and Hepatology, Shanghai Institute of Liver Disease, Zhongshan Hospital, Fudan University, Shanghai, China
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Coker-Gurkan A, Celik M, Ugur M, Arisan ED, Obakan-Yerlikaya P, Durdu ZB, Palavan-Unsal N. Curcumin inhibits autocrine growth hormone-mediated invasion and metastasis by targeting NF-κB signaling and polyamine metabolism in breast cancer cells. Amino Acids 2018; 50:1045-1069. [PMID: 29770869 DOI: 10.1007/s00726-018-2581-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 04/27/2018] [Indexed: 02/05/2023]
Abstract
Curcumin is assumed to be a plant-derived therapeutic drug that triggers apoptotic cell death in vitro and in vivo by affecting different molecular targets such as NF-κB. Phase I/II trial of curcumin alone or with chemotherapeutic drugs has been accomplished in pancreatic, colon, prostate and breast cancer cases. Recently, autocrine growth hormone (GH) signaling-induced cell growth, metastasis and drug resistance have been demonstrated in breast cancer. In this study, our aim was to investigate the potential therapeutic effect of curcumin by evaluating the molecular machinery of curcumin-triggered apoptotic cell death via focusing on NF-κB signaling and polyamine (PA) metabolism in autocrine GH-expressing MCF-7, MDA-MB-453 and MDA-MB-231 breast cancer cells. For this purpose, a pcDNA3.1 (+) vector with a GH gene insert was transfected by a liposomal agent in all breast cancer cells and then selection was conducted in neomycin (G418) included media. Autocrine GH-induced curcumin resistance was overcome in a dose-dependent manner and curcumin inhibited cell proliferation, invasion-metastasis and phosphorylation of p65 (Ser536), and thereby partly prevented its DNA binding activity in breast cancer cells. Moreover, curcumin induced caspase-mediated apoptotic cell death by activating the PA catabolic enzyme expressions, which led to generation of toxic by-products such as H2O2 in MCF-7, MDA-MB-453 and MDA-MB-231 GH+ breast cancer cells. In addition, transient silencing of SSAT prevented curcumin-induced cell viability loss and apoptotic cell death in each breast cancer cells. In conclusion, curcumin could overcome the GH-mediated resistant phenotype via modulating cell survival, death-related signaling routes and activating PA catabolic pathway.
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Affiliation(s)
- Ajda Coker-Gurkan
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey.
| | - Merve Celik
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey
| | - Merve Ugur
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey
| | - Elif-Damla Arisan
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey
| | - Pinar Obakan-Yerlikaya
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey
| | - Zeynep Begum Durdu
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey
| | - Narcin Palavan-Unsal
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Atakoy Campus, 34156, Istanbul, Turkey
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Shao X, Gao D, Wang Y, Jin F, Wu Q, Liu H. Application of metabolomics to investigate the antitumor mechanism of flavopiridol in MCF-7 breast cancer cells. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1025:40-7. [DOI: 10.1016/j.jchromb.2016.05.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/05/2016] [Accepted: 05/06/2016] [Indexed: 12/26/2022]
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Epibrassinolide alters PI3K/MAPK signaling axis via activating Foxo3a-induced mitochondria-mediated apoptosis in colon cancer cells. Exp Cell Res 2015; 338:10-21. [DOI: 10.1016/j.yexcr.2015.08.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 08/04/2015] [Accepted: 08/25/2015] [Indexed: 12/27/2022]
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Coker-Gürkan A, Arisan ED, Obakan P, Akalın K, Özbey U, Palavan-Unsal N. Purvalanol induces endoplasmic reticulum stress-mediated apoptosis and autophagy in a time-dependent manner in HCT116 colon cancer cells. Oncol Rep 2015; 33:2761-70. [PMID: 25901510 DOI: 10.3892/or.2015.3918] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Accepted: 12/18/2014] [Indexed: 11/06/2022] Open
Abstract
Purvalanol, a novel cyclin-dependent kinase inhibitor, is referred to as a strong apoptotic inducer which causes cell cycle arrest in various cancer cells such as prostate, breast and colon cancer cell lines. Various physiological and pathological conditions such as glucose starvation, inhibition of protein glycosylation and oxidative stress may cause an accumulation of unfolded proteins in the endoplasmic reticulum (ER), leading to the unfolded protein response (UPR) and autophagy. Lacking proteosomal function on aggregates of unfolded proteins, ER stress may induce autophagic machinery. Autophagy, an evolutionarily conserved process, is characterized by massive degradation of cytosolic contents. In the present study, our aim was to determine the time-dependent, ER-mediated apoptotic and autophagy induction of purvalanol in HCT 116 colon cancer cells. Fifteen micromoles of purvalanol induced a reduction in cell viability by 20 and 35% within 24 and 48 h, respectively. HCT 116 colon cancer cells were exposed to purvalanol, which activated ER stress via upregulation of PERK, IRE1α gene expression, eIF-2α phosphorylation and ATF-6 cleavage at early time-points in the HCT 116 colon cancer cells. Moreover, we determined that during purvalanol-mediated ER stress, autophagic machinery was also activated prior to apoptotic cell death finalization. Beclin-1 and Atg-5 expression levels were upregulated and LC3 was cleaved after a 6 h purvalanol treatment. Purvalanol induced mitochondrial membrane potential loss, caspase-7 and caspase-3 activation and PARP cleavage following a 48 h treatment. Thus, we conclude that the anticancer effect of purvalanol in HCT 116 cells was due to ER stress-mediated apoptosis; however, purvalanol triggered autophagy, which functions as a cell survival mechanism at early time-points.
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Affiliation(s)
- Ajda Coker-Gürkan
- Department of Molecular Biology and Genetics, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy-Istanbul 34156, Turkey
| | - Elif Damla Arisan
- Department of Molecular Biology and Genetics, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy-Istanbul 34156, Turkey
| | - Pınar Obakan
- Department of Molecular Biology and Genetics, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy-Istanbul 34156, Turkey
| | - Kübra Akalın
- Department of Molecular Biology and Genetics, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy-Istanbul 34156, Turkey
| | - Utku Özbey
- Department of Molecular Biology and Genetics, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy-Istanbul 34156, Turkey
| | - Narcin Palavan-Unsal
- Department of Molecular Biology and Genetics, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy-Istanbul 34156, Turkey
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Coker-Gurkan A, Arisan ED, Obakan P, Guvenir E, Unsal NP. Inhibition of autophagy by 3-MA potentiates purvalanol-induced apoptosis in Bax deficient HCT 116 colon cancer cells. Exp Cell Res 2014; 328:87-98. [PMID: 25088259 DOI: 10.1016/j.yexcr.2014.07.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 07/12/2014] [Accepted: 07/23/2014] [Indexed: 12/15/2022]
Abstract
The purine-derived analogs, roscovitine and purvalanol are selective synthetic inhibitors of cyclin-dependent kinases (CDKs) induced cell cycle arrest and lead to apoptotic cell death in various cancer cells. Although a number of studies investigated the molecular mechanism of each CDK inhibitor on apoptotic cell death mechanism with their therapeutic potential, their regulatory role on autophagy is not clarified yet. In this paper, our aim was to investigate molecular mechanism of CDK inhibitors on autophagy and apoptosis in wild type (wt) and Bax deficient HCT 116 cells. Exposure of HCT 116 wt and Bax(-/-) cells to roscovitine or purvalanol for 24h decreased cell viability in dose-dependent manner. However, Bax deficient HCT 116 cells were found more resistant against purvalanol treatment compared to wt cells. We also established that both CDK inhibitors induced apoptosis through activating mitochondria-mediated pathway in caspase-dependent manner regardless of Bax expression in HCT 116 colon cancer cells. Concomitantly, we determined that purvalanol was also effective on autophagy in HCT 116 colon cancer cells. Inhibition of autophagy by 3-MA treatment enhanced the purvalanol induced apoptotic cell death in HCT 116 Bax(-/-) cells. Our results revealed that mechanistic action of each CDK inhibitor on cell death mechanism differs. While purvalanol treatment activated apoptosis and autophagy in HCT 116 cells, roscovitine was only effective on caspase-dependent apoptotic pathway. Another important difference between two CDK inhibitors, although roscovitine treatment overcame Bax-mediated drug resistance in HCT 116 cells, purvalanol did not exert same effect.
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Affiliation(s)
- Ajda Coker-Gurkan
- Istanbul Kultur University, Molecular Biology and Genetics Department, Science and Literature Faculty, Atakoy Campus, 34156 Istanbul, Turkey.
| | - Elif Damla Arisan
- Istanbul Kultur University, Molecular Biology and Genetics Department, Science and Literature Faculty, Atakoy Campus, 34156 Istanbul, Turkey
| | - Pinar Obakan
- Istanbul Kultur University, Molecular Biology and Genetics Department, Science and Literature Faculty, Atakoy Campus, 34156 Istanbul, Turkey
| | - Esin Guvenir
- Istanbul Kultur University, Molecular Biology and Genetics Department, Science and Literature Faculty, Atakoy Campus, 34156 Istanbul, Turkey
| | - Narcin Palavan Unsal
- Istanbul Kultur University, Molecular Biology and Genetics Department, Science and Literature Faculty, Atakoy Campus, 34156 Istanbul, Turkey
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Abstract
Polyamines are ubiquitous and essential components of mammalian cells. They have multiple functions including critical roles in nucleic acid and protein synthesis, gene expression, protein function, protection from oxidative damage, the regulation of ion channels, and maintenance of the structure of cellular macromolecules. It is essential to maintain a correct level of polyamines, and this amount is tightly regulated at the levels of transport, synthesis, and degradation. Catabolic pathways generate reactive aldehydes including acrolein and hydrogen peroxide via a number of oxidases. These metabolites, particularly those from spermine, can cause significant toxicity with damage to proteins, DNA, and other cellular components. Their production can be increased as a result of infection or cell damage that releases free polyamines and activates the oxidative catabolic pathways. Since polyamines also have an important physiological role in protection from oxidative damage, the reduction in polyamine content may exacerbate the toxic potential of these agents. Increases in polyamine catabolism have been implicated in the development of diseases including stroke, other neurological diseases, renal failure, liver disease, and cancer. These results provide new opportunities for the early diagnosis, prevention, and treatment of disease.
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Affiliation(s)
- Anthony E Pegg
- Department of Cellular and Molecular Physiology, Milton S. Hershey Medical Center, Pennsylvania State University College of Medicine , Hershey, Pennsylvania 17033, United States
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