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Kaloni D, Diepstraten ST, Strasser A, Kelly GL. BCL-2 protein family: attractive targets for cancer therapy. Apoptosis 2023; 28:20-38. [PMID: 36342579 PMCID: PMC9950219 DOI: 10.1007/s10495-022-01780-7] [Citation(s) in RCA: 83] [Impact Index Per Article: 83.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2022] [Indexed: 11/09/2022]
Abstract
Acquired resistance to cell death is a hallmark of cancer. The BCL-2 protein family members play important roles in controlling apoptotic cell death. Abnormal over-expression of pro-survival BCL-2 family members or abnormal reduction of pro-apoptotic BCL-2 family proteins, both resulting in the inhibition of apoptosis, are frequently detected in diverse malignancies. The critical role of the pro-survival and pro-apoptotic BCL-2 family proteins in the regulation of apoptosis makes them attractive targets for the development of agents for the treatment of cancer. This review describes the roles of the various pro-survival and pro-apoptotic members of the BCL-2 protein family in normal development and organismal function and how defects in the control of apoptosis promote the development and therapy resistance of cancer. Finally, we discuss the development of inhibitors of pro-survival BCL-2 proteins, termed BH3-mimetic drugs, as novel agents for cancer therapy.
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Affiliation(s)
- Deeksha Kaloni
- Blood Cells and Blood Cancer Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC Australia ,Department of Medical Biology, University of Melbourne, Melbourne, VIC Australia
| | - Sarah T Diepstraten
- Blood Cells and Blood Cancer Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC Australia
| | - Andreas Strasser
- Blood Cells and Blood Cancer Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC Australia ,Department of Medical Biology, University of Melbourne, Melbourne, VIC Australia
| | - Gemma L Kelly
- Blood Cells and Blood Cancer Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia. .,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia.
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Fairlie WD, Lee EF. Co-Operativity between MYC and BCL-2 Pro-Survival Proteins in Cancer. Int J Mol Sci 2021; 22:2841. [PMID: 33799592 PMCID: PMC8000576 DOI: 10.3390/ijms22062841] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 12/30/2022] Open
Abstract
B-Cell Lymphoma 2 (BCL-2), c-MYC and related proteins are arguably amongst the most widely studied in all of biology. Every year there are thousands of papers reporting on different aspects of their biochemistry, cellular and physiological mechanisms and functions. This plethora of literature can be attributed to both proteins playing essential roles in the normal functioning of a cell, and by extension a whole organism, but also due to their central role in disease, most notably, cancer. Many cancers arise due to genetic lesions resulting in deregulation of both proteins, and indeed the development and survival of tumours is often dependent on co-operativity between these protein families. In this review we will discuss the individual roles of both proteins in cancer, describe cancers where co-operativity between them has been well-characterised and finally, some strategies to target these proteins therapeutically.
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Affiliation(s)
- Walter Douglas Fairlie
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3084, Australia
| | - Erinna F. Lee
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3084, Australia
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Sejic N, George LC, Tierney RJ, Chang C, Kondrashova O, MacKinnon RN, Lan P, Bell AI, Lessene G, Long HM, Strasser A, Shannon-Lowe C, Kelly GL. BCL-XL inhibition by BH3-mimetic drugs induces apoptosis in models of Epstein-Barr virus-associated T/NK-cell lymphoma. Blood Adv 2020; 4:4775-4787. [PMID: 33017468 PMCID: PMC7556124 DOI: 10.1182/bloodadvances.2020002446] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022] Open
Abstract
Epstein-Barr virus (EBV)-associated T- and natural killer (NK)-cell malignancies, such as extranodal NK-/T-cell lymphoma (ENKTL), exhibit high chemoresistance and, accordingly, such patients have a poor prognosis. The rare nature of such cancers and nonmalignant T/NK lymphoproliferative disorders, such as chronic active EBV (CAEBV), has limited our understanding of the pathogenesis of these diseases. Here, we characterize a panel of ENKTL- and CAEBV-derived cell lines that had been established from human tumors to be used as preclinical models of these diseases. These cell lines were interleukin-2 dependent and found to carry EBV in a latency II gene-expression pattern. All cell lines demonstrated resistance to cell death induction by DNA damage-inducing agents, the current standard of care for patients with these malignancies. This resistance was not correlated with the function of the multidrug efflux pump, P-glycoprotein. However, apoptotic cell death could be consistently induced following treatment with A-1331852, a BH3-mimetic drug that specifically inhibits the prosurvival protein BCL-XL. A-1331852-induced apoptosis was most efficacious when prosurvival MCL-1 was additionally targeted, either by BH3-mimetics or genetic deletion. Xenograft models established from the ENKTL cell line SNK6 provided evidence that A-1331852 treatment could be therapeutically beneficial in vivo. The data here suggest that therapeutic targeting of BCL-XL would be effective for patients with EBV-driven T/NK proliferative diseases, however, MCL-1 could be a potential resistance factor.
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Affiliation(s)
- Nenad Sejic
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, Australia
- Institute of Immunology and Immunotherapy and
| | - Lindsay C George
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Rosemary J Tierney
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Catherine Chang
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
| | - Olga Kondrashova
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, Australia
- QIMR Berghofer Medical Research Institute, Herston, QLD, Australia
| | - Ruth N MacKinnon
- Victorian Cancer Cytogenetics Service, St. Vincent's Hospital Melbourne, Fitzroy, VIC, Australia; and
- Department of Medicine (St. Vincent's) and
| | - Ping Lan
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
| | - Andrew I Bell
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Guillaume Lessene
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, Australia
- Department of Pharmacology and Therapeutics, The University of Melbourne, Parkville, VIC, Australia
| | | | - Andreas Strasser
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, Australia
| | | | - Gemma L Kelly
- The Walter and Eliza Hall Institute for Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, Australia
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Ntellas P, Perivoliotis K, Dadouli K, Koukoulis GK, Ioannou M. Microvessel Density as a Surrogate Prognostic Marker in Patients with Multiple Myeloma: A Meta-Analysis. Acta Haematol 2017; 138:77-84. [PMID: 28796988 DOI: 10.1159/000478085] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 06/06/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND/AIMS Bone marrow (BM) angiogenesis is considered a hallmark of multiple myeloma (MM) development and progression, and can be quantified with the use of microvessel density (MVD). The purpose of this study is to provide a review and a meta-analysis of the current literature regarding the prognostic value of MVD in the overall survival (OS) of MM patients. METHODS MEDLINE was screened for studies evaluating the OS of MM patients with regard to their MVD count in BM trephine. The pooled hazard ratio (HR) and its associated 95% confidence interval (CI) among MM patients with a high and low MVD count was the primary end point. Secondary outcomes included odds ratios (OR) for 12-, 36-, and 60-month survival. RESULTS Ten eligible trials were identified for the analysis of the primary end point and 9 for the secondary end points. Pooled HR for OS was 1.85 (95% CI: 1.25-2.73, p = 0.002). The pooled OR of survival were 1.59 (95% CI: 1.02-2.46, p = 0.04) at 12 months, 2.90 (95% CI: 1.68-5.03, p = 0.0001) at 36 months, and 3.42 (95% CI: 2.41-4.85, p < 0.00001) at 60 months, in favor of the low MVD group. CONCLUSION This meta-analysis provides persuasive evidence that MVD has significant impact on the clinical outcome of MM patients.
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Affiliation(s)
- Panagiotis Ntellas
- Department of Pathology, Faculty of Medicine, University of Thessaly, Larissa, Greece
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LIN JIE, WU YONGJI, YANG DAJUN, ZHAO YONGQIANG. Induction of apoptosis and antitumor effects of a small molecule inhibitor of Bcl-2 and Bcl-xl, gossypol acetate, in multiple myeloma in vitro and in vivo. Oncol Rep 2013; 30:731-8. [DOI: 10.3892/or.2013.2489] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Accepted: 04/29/2013] [Indexed: 11/05/2022] Open
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Cheng YM, Zhu Q, Yao YY, Tang Y, Wang MM, Zou LF. 8-Chloroadenosine 3',5'-monophosphate induces cell cycle arrest and apoptosis in multiple myeloma cells through multiple mechanisms. Oncol Lett 2012; 4:1384-1388. [PMID: 23226809 DOI: 10.3892/ol.2012.905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 08/24/2012] [Indexed: 01/01/2023] Open
Abstract
The aim of this study was to investigate the molecular mechanism of 8-chloroadenosine 3',5'-monophosphate (8-Cl-cAMP) in the inhibition of the growth and induction of apoptosis of multiple myeloma (MM) cells. Two MM-derived cell lines, RPMI-8226 and U266, were used. Cell viability, apoptosis induction and mitochondrial transmembrane potential were determined and the expression levels of cell cycle regulatory proteins (Cdk2, cyclin E, p27 and c-myc) and p38 mitogen-activated protein kinase (MAPK) protein were detected. Following treatment with 8-Cl-cAMP, the percentage of apoptotic cells increased in a concentration- and time-dependent manner and the mitochondrial transmembrane potential collapsed to reveal typical apoptotic features. Our data further demonstrated that 8-Cl-cAMP induced progressive phosphorylation of p38 MAPK and that the expression levels of p27 proteins in the MM cells were increased whereas those of c-myc were significantly decreased. Notably, the proapoptotic effect of 8-Cl-cAMP was largely prevented by a p38 MAPK inhibitor. Furthermore, knockdown of p27 was able to decrease the 8-Cl-cAMP-induced apoptosis in the MM cells. These results indicate that 8-Cl-cAMP induced p27-dependent cell cycle arrest and apoptosis in the MM cells, which demonstrates the potential of cAMP-modulating agents for use in the treatment of MM.
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Affiliation(s)
- Yi-Min Cheng
- Department of Hematology, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
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Prasad S, Pandey MK, Yadav VR, Aggarwal BB. Gambogic acid inhibits STAT3 phosphorylation through activation of protein tyrosine phosphatase SHP-1: potential role in proliferation and apoptosis. Cancer Prev Res (Phila) 2011; 4:1084-94. [PMID: 21490133 DOI: 10.1158/1940-6207.capr-10-0340] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The transcription factor, STAT3, is associated with proliferation, survival, and metastasis of cancer cells. We investigated whether gambogic acid (GA), a xanthone derived from the resin of traditional Chinese medicine, Garcinia hanburyi (mangosteen), can regulate the STAT3 pathway, leading to suppression of growth and sensitization of cancer cells. We found that GA induced apoptosis in human multiple myeloma cells that correlated with the inhibition of both constitutive and inducible STAT3 activation. STAT3 phosphorylation at both tyrosine residue 705 and serine residue 727 was inhibited by GA. STAT3 suppression was mediated through the inhibition of activation of the protein tyrosine kinases Janus-activated kinase 1 (JAK1) and JAK2. Treatment with the protein tyrosine phosphatase (PTP) inhibitor pervanadate reversed the GA-induced downregulation of STAT3, suggesting the involvement of a PTP. We also found that GA induced the expression of the PTP SHP-1. Deletion of the SHP-1 gene by siRNA suppressed the ability of GA to inhibit STAT3 activation and to induce apoptosis, suggesting the critical role of SHP-1 in its action. Moreover, GA downregulated the expression of STAT3-regulated antiapoptotic (Bcl-2, Bcl-xL, and Mcl-1), proliferative (cyclin D1), and angiogenic (VEGF) proteins, and this correlated with suppression of proliferation and induction of apoptosis. Overall, these results suggest that GA blocks STAT3 activation, leading to suppression of tumor cell proliferation and induction of apoptosis.
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Affiliation(s)
- Sahdeo Prasad
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Baumann P, Mandl-Weber S, Emmerich B, Straka C, Schmidmaier R. Inhibition of adenosine monophosphate-activated protein kinase induces apoptosis in multiple myeloma cells. Anticancer Drugs 2007; 18:405-10. [PMID: 17351392 DOI: 10.1097/cad.0b013e32801416b6] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In this study, we show that adenosine monophosphate-activated protein kinase (AMPK) is expressed and activated in multiple myeloma cells. The inhibition of AMPK induced growth arrest and reduction of cell viability in the cell viability assay using the water-soluble tetrazolium salt 4-[3-(4-iodophenyl)-2-(4-nitrophenyl)-2H-5-tetrazolio]-1,3-benzene disulfonate (WST-1 assay). Induction of apoptosis was determined by annexin-V and propidium iodide staining. The prevention of apoptosis using the pancaspase inhibitor ZVAD-fmk and caspase-3 cleavage upon incubation with the AMPK inhibitor (AMPKI) is shown. Furthermore, incubation of myeloma cells with AMPKI resulted in the downregulation of pAMPK, Mcl-1 and Bcl-xL. Coincubation of AMPKI and melphalan led to a strong additional increase of apoptosis in myeloma cells. We conclude that AMPKI has a strong antimyeloma activity in vitro and represents a new targeted strategy in the treatment of multiple myeloma.
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Affiliation(s)
- Philipp Baumann
- Department of Hematology and Oncology, Medizinische Klinik Innenstadt, Klinikum der Universität München, Germany.
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Yeoh GCT, Ernst M, Rose-John S, Akhurst B, Payne C, Long S, Alexander W, Croker B, Grail D, Matthews VB. Opposing roles of gp130-mediated STAT-3 and ERK-1/ 2 signaling in liver progenitor cell migration and proliferation. Hepatology 2007; 45:486-94. [PMID: 17256754 DOI: 10.1002/hep.21535] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
UNLABELLED Gp130-mediated IL-6 signaling may play a role in oval cell proliferation in vivo. Levels of IL-6 are elevated in livers of mice treated with a choline-deficient ethionine-supplemented (CDE) diet that induces oval cells, and there is a reduction of oval cells in IL-6 knockout mice. The CDE diet recapitulates characteristics of chronic liver injury in humans. In this study, we determined the impact of IL-6 signaling on oval cell-mediated liver regeneration in vivo. Signaling pathways downstream of gp130 activation were also dissected. Numbers of A6(+ve) liver progenitor oval cells (LPCs) in CDE-treated murine liver were detected by immunohistochemistry and quantified. Levels of oval cell migration and proliferation were compared in CDE-treated mouse strains that depict models of gp130-mediated hyperactive ERK-1/2 signaling (gp130(deltaSTAT)), hyperactive STAT-3 signaling (gp130(Y757F) and Socs-3(-/deltaAlb)) or active ERK-1/2 as well as active STAT-3 signaling (wild-type). The A6(+ve) LPC numbers were increased with IL-6 treatment in vivo. The gp130(Y757F) mice displayed increased A6(+ve) LPCs numbers compared with wild-type and gp130(deltaSTAT) mice. Numbers of A6(+ve) LPCs were also increased in the livers of CDE treated Socs-3(-/deltaAlb) mice compared with their control counterparts. Lastly, inhibition of ERK-1/2 activation in cultured oval cells increased hyper IL-6-induced cell growth. For the first time, we have dissected the gp130-mediated signaling pathways, which influence liver progenitor oval cell proliferation. CONCLUSION Hyperactive STAT-3 signaling results in enhanced oval cell numbers, whereas ERK-1/2 activation suppresses oval cell proliferation.
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Affiliation(s)
- George C T Yeoh
- UWA Centre for Medical Research, The Western Australian Institute for Medical Research, Perth, Australia
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