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Zeng Y, Cai Y, Chai P, Mao Y, Chen Y, Wang L, Zeng K, Zhan Z, Xie Y, Li C, Zhan H, Zhao L, Chen X, Zhu X, Liu Y, Chen M, Song Y, Zhou A. Optimization of cancer immunotherapy through pyroptosis: A pyroptosis-related signature predicts survival benefit and potential synergy for immunotherapy in glioma. Front Immunol 2022; 13:961933. [PMID: 35990696 PMCID: PMC9382657 DOI: 10.3389/fimmu.2022.961933] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 07/11/2022] [Indexed: 12/03/2022] Open
Abstract
Background Pyroptosis is a critical type of programmed cell death that is strongly associated with the regulation of tumor and immune cell functions. However, the role of pyroptosis in tumor progression and remodeling of the tumor microenvironment in gliomas has not been extensively studied. Thus, in this study, we aimed to establish a comprehensive pyroptosis-related signature and uncover its potential clinical application in gliomas. Methods The TCGA glioma cohort was obtained and divided into training and internal validation cohorts, while the CGGA glioma cohort was used as an external validation cohort. Unsupervised consensus clustering was performed to identify pyroptosis-related expression patterns. A Cox regression analysis was performed to establish a pyroptosis-related risk signature. Real-time quantitative PCR was performed to analyze the expression of signature genes in glioma tissues. Immune infiltration was analyzed and validated by immunohistochemical staining. The expression patterns of signature genes in different cell types were analyzed using single-cell RNA sequencing data. Finally, therapeutic responses to chemotherapy, immunotherapy, and potential small-molecule inhibitors were investigated. Results Patients with glioma were stratified into clusters 1 and 2 based on the expression patterns of pyroptosis-related genes. Cluster 2 showed a longer overall (P<0.001) and progression-free survival time (P<0.001) than Cluster 1. CD8+ T cell enrichment was observed in Cluster 1. A pyroptosis-related risk signature (PRRS) was then established. The high PRRS group showed a significantly poorer prognosis than the low PRRS group in the training cohort (P<0.001), with validation in the internal and external validation cohorts. Immunohistochemical staining demonstrated that CD8+ T cells were enriched in high PRRS glioma tissues. PRRS genes also showed cell-specific expression in tumor and immune cells. Moreover, the high PRRS risk group showed higher temozolomide sensitivity and increased response to anti-PD1 treatment in a glioblastoma immunotherapy cohort. Finally, Bcl-2 inhibitors were screened as candidates for adjunct immunotherapy of gliomas. Conclusion The pyroptosis-related signature established in this study can be used to reliably predict clinical outcomes and immunotherapy responses in glioma patients. The correlation between the pyroptosis signature and the tumor immune microenvironment may be used to further guide the sensitization of glioma patients to immunotherapy.
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Affiliation(s)
- Yu Zeng
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Yonghua Cai
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Peng Chai
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yangqi Mao
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yanwen Chen
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Li Wang
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Kunlin Zeng
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Ziling Zhan
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Yuxin Xie
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Cuiying Li
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Hongchao Zhan
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Liqian Zhao
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoxia Chen
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Xiaoxia Zhu
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yu Liu
- Department of Neurosurgery, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Ming Chen
- Department of Neurosurgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Aidong Zhou, ; Ye Song, ; Ming Chen,
| | - Ye Song
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Neurosurgery, Ganzhou People’s Hospital, Ganzhou, China
- *Correspondence: Aidong Zhou, ; Ye Song, ; Ming Chen,
| | - Aidong Zhou
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Province Key Laboratory of Molecular Tumor Pathology, Southern Medical University, Guangzhou, China
- *Correspondence: Aidong Zhou, ; Ye Song, ; Ming Chen,
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Alam M, Alam S, Shamsi A, Adnan M, Elasbali AM, Al-Soud WA, Alreshidi M, Hawsawi YM, Tippana A, Pasupuleti VR, Hassan MI. Bax/Bcl-2 Cascade Is Regulated by the EGFR Pathway: Therapeutic Targeting of Non-Small Cell Lung Cancer. Front Oncol 2022; 12:869672. [PMID: 35402265 PMCID: PMC8990771 DOI: 10.3389/fonc.2022.869672] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 02/21/2022] [Indexed: 12/12/2022] Open
Abstract
Non-small cell lung carcinoma (NSCLC) comprises 80%-85% of lung cancer cases. EGFR is involved in several cancer developments, including NSCLC. The EGFR pathway regulates the Bax/Bcl-2 cascade in NSCLC. Increasing understanding of the molecular mechanisms of fundamental tumor progression has guided the development of numerous antitumor drugs. The development and improvement of rationally planned inhibitors and agents targeting particular cellular and biological pathways in cancer have been signified as a most important paradigm shift in the strategy to treat and manage lung cancer. Newer approaches and novel chemotherapeutic agents are required to accompany present cancer therapies for improving efficiency. Using natural products as a drug with an effective delivery system may benefit therapeutics. Naturally originated compounds such as phytochemicals provide crucial sources for novel agents/drugs and resources for tumor therapy. Applying the small-molecule inhibitors (SMIs)/phytochemicals has led to potent preclinical discoveries in various human tumor preclinical models, including lung cancer. In this review, we summarize recent information on the molecular mechanisms of the Bax/Bcl-2 cascade and EGFR pathway in NSCLC and target them for therapeutic implications. We further described the therapeutic potential of Bax/Bcl-2/EGFR SMIs, mainly those with more potent and selectivity, including gefitinib, EGCG, ABT-737, thymoquinone, quercetin, and venetoclax. In addition, we explained the targeting EGFR pathway and ongoing in vitro and in vivo and clinical investigations in NSCLC. Exploration of such inhibitors facilitates the future treatment and management of NSCLC.
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Affiliation(s)
- Manzar Alam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, India
| | - Shoaib Alam
- Department of Biotechnology, Jamia Millia Islamia, Jamia Nagar, India
| | - Anas Shamsi
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, India
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Abdelbaset Mohamed Elasbali
- Department of Clinical Laboratory Science, College of Applied Sciences-Qurayyat, Jouf University, Sakaka, Saudi Arabia
| | - Waleed Abu Al-Soud
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia.,Health Sciences Research Unit, Jouf University, Sakaka, Saudi Arabia
| | - Mousa Alreshidi
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia.,Molecular Diagnostics and Personalized Therapeutics Unit, University of Hail, Hail, Saudi Arabia
| | | | - Anitha Tippana
- Regional Agricultural Research Station, Acharya N. G. Ranga Agricultural University (ANGRAU), Tirupati, India
| | - Visweswara Rao Pasupuleti
- Department of Biomedical Sciences and Therapeutics, Faculty of Medicine & Health Sciences, University Malaysia Sabah, Kota Kinabalu, Malaysia.,Department of Biochemistry, Faculty of Medicine and Health Sciences, Abdurrab University, Pekanbaru, Indonesia.,Centre for International Collaboration and Research, Reva University, Rukmini Knowledge Park, Bangalore, India
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, India
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Remy J, Linder B, Weirauch U, Day BW, Stringer BW, Herold-Mende C, Aigner A, Krohn K, Kögel D. STAT3 Enhances Sensitivity of Glioblastoma to Drug-Induced Autophagy-Dependent Cell Death. Cancers (Basel) 2022; 14:cancers14020339. [PMID: 35053502 PMCID: PMC8773829 DOI: 10.3390/cancers14020339] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 12/30/2021] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Glioblastoma is the most common primary brain cancer in adults. One reason for the development and malignancy of this tumor is the misregulation of certain cellular proteins. The oncoprotein STAT3 that is frequently overactive in glioblastoma cells is associated with more aggressive disease and decreased patient survival. Autophagy is a form of cellular self digestion that normally maintains cell integrity and provides nutrients and basic building blocks required for growth. While glioblastoma is known to be particularly resistant to conventional therapies, recent research has suggested that these tumors are more sensitive to excessive overactivation of autophagy, leading to autophagy-dependent tumor cell death. Here, we show a hitherto unknown role of STAT3 in sensitizing glioblastoma cells to excessive autophagy induced with the repurposed drug pimozide. These findings provide the basis for future research aimed at determining whether STAT3 can serve as a predictor for autophagy-proficient tumors and further support the notion of overactivating autophagy for cancer therapy. Abstract Glioblastoma (GBM) is a devastating disease and the most common primary brain malignancy of adults with a median survival barely exceeding one year. Recent findings suggest that the antipsychotic drug pimozide triggers an autophagy-dependent, lysosomal type of cell death in GBM cells with possible implications for GBM therapy. One oncoprotein that is often overactivated in these tumors and associated with a particularly dismal prognosis is Signal Transducer and Activator of Transcription 3 (STAT3). Here, we used isogenic human and murine GBM knockout cell lines, advanced fluorescence microscopy, transcriptomic analysis and FACS-based assessment of cell viability to show that STAT3 has an underappreciated, context-dependent role in drug-induced cell death. Specifically, we demonstrate that depletion of STAT3 significantly enhances cell survival after treatment with Pimozide, suggesting that STAT3 confers a particular vulnerability to GBM. Furthermore, we show that active STAT3 has no major influence on the early steps of the autophagy pathway, but exacerbates drug-induced lysosomal membrane permeabilization (LMP) and release of cathepsins into the cytosol. Collectively, our findings support the concept of exploiting the pro-death functions of autophagy and LMP for GBM therapy and to further determine whether STAT3 can be employed as a treatment predictor for highly apoptosis-resistant, but autophagy-proficient cancers.
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Affiliation(s)
- Janina Remy
- Neuroscience Center, Experimental Neurosurgery, Department of Neurosurgery, Goethe University Hospital, 60590 Frankfurt am Main, Germany; (J.R.); (B.L.)
| | - Benedikt Linder
- Neuroscience Center, Experimental Neurosurgery, Department of Neurosurgery, Goethe University Hospital, 60590 Frankfurt am Main, Germany; (J.R.); (B.L.)
| | - Ulrike Weirauch
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, University of Leipzig, 04103 Leipzig, Germany; (U.W.); (A.A.)
| | - Bryan W. Day
- Sid Faithful Brain Cancer Laboratory, QIMR Berghofer, Herston, QLD 4006, Australia;
| | - Brett W. Stringer
- College of Medicine and Public Health, Flinders University, Sturt Rd., Bedford Park, SA 5042, Australia;
| | - Christel Herold-Mende
- Division of Experimental Neurosurgery, Department of Neurosurgery, University Hospital Heidelberg, INF400, 69120 Heidelberg, Germany;
| | - Achim Aigner
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, University of Leipzig, 04103 Leipzig, Germany; (U.W.); (A.A.)
| | - Knut Krohn
- Core Unit DNA-Technologies, IZKF, Faculty of Medicine, University of Leipzig, 04103 Leipzig, Germany;
| | - Donat Kögel
- Neuroscience Center, Experimental Neurosurgery, Department of Neurosurgery, Goethe University Hospital, 60590 Frankfurt am Main, Germany; (J.R.); (B.L.)
- German Cancer Consortium DKTK Partner Site Frankfurt/Main, 60590 Frankfurt am Main, Germany
- German Cancer Research Center DKFZ, 69120 Heidelberg, Germany
- Correspondence: ; Tel.: +49-69-6301-6923
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Basheer AS, Abas F, Othman I, Naidu R. Role of Inflammatory Mediators, Macrophages, and Neutrophils in Glioma Maintenance and Progression: Mechanistic Understanding and Potential Therapeutic Applications. Cancers (Basel) 2021; 13:4226. [PMID: 34439380 PMCID: PMC8393628 DOI: 10.3390/cancers13164226] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 02/07/2023] Open
Abstract
Gliomas are the most common, highly malignant, and deadliest forms of brain tumors. These intra-cranial solid tumors are comprised of both cancerous and non-cancerous cells, which contribute to tumor development, progression, and resistance to the therapeutic regimen. A variety of soluble inflammatory mediators (e.g., cytokines, chemokines, and chemotactic factors) are secreted by these cells, which help in creating an inflammatory microenvironment and contribute to the various stages of cancer development, maintenance, and progression. The major tumor infiltrating immune cells of the tumor microenvironment include TAMs and TANs, which are either recruited peripherally or present as brain-resident macrophages (microglia) and support stroma for cancer cell expansion and invasion. These cells are highly plastic in nature and can be polarized into different phenotypes depending upon different types of stimuli. During neuroinflammation, glioma cells interact with TAMs and TANs, facilitating tumor cell proliferation, survival, and migration. Targeting inflammatory mediators along with the reprogramming of TAMs and TANs could be of great importance in glioma treatment and may delay disease progression. In addition, an inhibition of the key signaling pathways such as NF-κB, JAK/STAT, MAPK, PI3K/Akt/mTOR, and TLRs, which are activated during neuroinflammation and have an oncogenic role in glioblastoma (GBM), can exert more pronounced anti-glioma effects.
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Affiliation(s)
- Abdul Samad Basheer
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Malaysia; (A.S.B.); (I.O.)
| | - Faridah Abas
- Laboratory of Natural Products, Faculty of Science, University Putra Malaysia (UPM), Serdang 43400, Malaysia;
- Department of Food Science, Faculty of Food Science and Technology, University Putra Malaysia (UPM), Serdang 434000, Malaysia
| | - Iekhsan Othman
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Malaysia; (A.S.B.); (I.O.)
| | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway 47500, Malaysia; (A.S.B.); (I.O.)
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The deubiquitinase (DUB) USP13 promotes Mcl-1 stabilisation in cervical cancer. Oncogene 2021; 40:2112-2129. [PMID: 33627786 PMCID: PMC7979541 DOI: 10.1038/s41388-021-01679-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 01/13/2021] [Accepted: 01/25/2021] [Indexed: 01/30/2023]
Abstract
Protein ubiquitination is a critical regulator of cellular homeostasis. Aberrations in the addition or removal of ubiquitin can result in the development of cancer and key components of the ubiquitination machinery serve as oncogenes or tumour suppressors. An emerging target in the development of cancer therapeutics are the deubiquitinase (DUB) enzymes that remove ubiquitin from protein substrates. Whether this class of enzyme plays a role in cervical cancer has not been fully explored. By interrogating the cervical cancer data from the TCGA consortium, we noted that the DUB USP13 is amplified in ~15% of cervical cancer cases. We confirmed that USP13 expression was increased in cervical cancer cell lines, cytology samples from patients with cervical disease and in cervical cancer tissue. Depletion of USP13 inhibited cervical cancer cell proliferation. Mechanistically, USP13 bound to, deubiquitinated and stabilised Mcl-1, a pivotal member of the anti-apoptotic BCL-2 family. Furthermore, reduced Mcl-1 expression partially contributed to the observed proliferative defect in USP13 depleted cells. Importantly, the expression of USP13 and Mcl-1 proteins correlated in cervical cancer tissue. Finally, we demonstrated that depletion of USP13 expression or inhibition of USP13 enzymatic activity increased the sensitivity of cervical cancer cells to the BH3 mimetic inhibitor ABT-263. Together, our data demonstrates that USP13 is a potential oncogene in cervical cancer that functions to stabilise the pro-survival protein Mcl-1, offering a potential therapeutic target for these cancers.
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Garg M, Shanmugam MK, Bhardwaj V, Goel A, Gupta R, Sharma A, Baligar P, Kumar AP, Goh BC, Wang L, Sethi G. The pleiotropic role of transcription factor STAT3 in oncogenesis and its targeting through natural products for cancer prevention and therapy. Med Res Rev 2020; 41:1291-1336. [PMID: 33289118 DOI: 10.1002/med.21761] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/30/2020] [Accepted: 11/18/2020] [Indexed: 12/11/2022]
Abstract
Signal transducer and activator of transcription 3 (STAT3) is one of the crucial transcription factors, responsible for regulating cellular proliferation, cellular differentiation, migration, programmed cell death, inflammatory response, angiogenesis, and immune activation. In this review, we have discussed the classical regulation of STAT3 via diverse growth factors, cytokines, G-protein-coupled receptors, as well as toll-like receptors. We have also highlighted the potential role of noncoding RNAs in regulating STAT3 signaling. However, the deregulation of STAT3 signaling has been found to be associated with the initiation and progression of both solid and hematological malignancies. Additionally, hyperactivation of STAT3 signaling can maintain the cancer stem cell phenotype by modulating the tumor microenvironment, cellular metabolism, and immune responses to favor drug resistance and metastasis. Finally, we have also discussed several plausible ways to target oncogenic STAT3 signaling using various small molecules derived from natural products.
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Affiliation(s)
- Manoj Garg
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, India
| | - Muthu K Shanmugam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Vipul Bhardwaj
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, India
| | - Akul Goel
- La Canada High School, La Canada Flintridge, California, USA
| | - Rajat Gupta
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, India
| | - Arundhiti Sharma
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, India
| | - Prakash Baligar
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, India
| | - Alan Prem Kumar
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Cancer Science Institute of Singapore, Center for Translational Medicine, Singapore, Singapore
| | - Boon Cher Goh
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Cancer Science Institute of Singapore, Center for Translational Medicine, Singapore, Singapore
- Department of Hematology-Oncology, National University Health System, Singapore, Singapore
| | - Lingzhi Wang
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Cancer Science Institute of Singapore, Center for Translational Medicine, Singapore, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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Yang PL, Liu LX, Li EM, Xu LY. STAT3, the Challenge for Chemotherapeutic and Radiotherapeutic Efficacy. Cancers (Basel) 2020; 12:cancers12092459. [PMID: 32872659 PMCID: PMC7564975 DOI: 10.3390/cancers12092459] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 02/05/2023] Open
Abstract
Chemoradiotherapy is one of the most effective and extensively used strategies for cancer treatment. Signal transducer and activator of transcription 3 (STAT3) regulates vital biological processes, such as cell proliferation and cell growth. It is constitutively activated in various cancers and limits the application of chemoradiotherapy. Accumulating evidence suggests that STAT3 regulates resistance to chemotherapy and radiotherapy and thereby impairs therapeutic efficacy by mediating its feedback loop and several target genes. The alternative splicing product STAT3β is often identified as a dominant-negative regulator, but it enhances sensitivity to chemotherapy and offers a new and challenging approach to reverse therapeutic resistance. We focus here on exploring the role of STAT3 in resistance to receptor tyrosine kinase (RTK) inhibitors and radiotherapy, outlining the potential of targeting STAT3 to overcome chemo(radio)resistance for improving clinical outcomes, and evaluating the importance of STAT3β as a potential therapeutic approach to overcomes chemo(radio)resistance. In this review, we discuss some new insights into the effect of STAT3 and its subtype STAT3β on chemoradiotherapy sensitivity, and we explore how these insights influence clinical treatment and drug development for cancer.
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Affiliation(s)
- Ping-Lian Yang
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Lu-Xin Liu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - En-Min Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou 515041, Guangdong, China
- Correspondence: (E.-M.L.); (L.-Y.X.); Tel.: +86-754-88900460 (L.-Y.X.); Fax: +86-754-88900847 (L.-Y.X.)
| | - Li-Yan Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou 515041, Guangdong, China; (P.-L.Y.); (L.-X.L.)
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou 515041, Guangdong, China
- Correspondence: (E.-M.L.); (L.-Y.X.); Tel.: +86-754-88900460 (L.-Y.X.); Fax: +86-754-88900847 (L.-Y.X.)
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8
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Wu X, Luo Q, Liu Z. Ubiquitination and deubiquitination of MCL1 in cancer: deciphering chemoresistance mechanisms and providing potential therapeutic options. Cell Death Dis 2020; 11:556. [PMID: 32699213 PMCID: PMC7376237 DOI: 10.1038/s41419-020-02760-y] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 07/03/2020] [Accepted: 07/06/2020] [Indexed: 02/07/2023]
Abstract
MCL1 is an important antiapoptotic member of the BCL-2 family that is distinguishable from other family members based on its relatively short half-life. Emerging studies have revealed the crucial role of MCL1 in the chemoresistance of cancer cells. The antiapoptotic function of MCL1 makes it a popular therapeutic target, although specific inhibitors have begun to emerge only recently. Notably, emerging studies have reported that several E3 ligases and deubiquitinases modulate MCL1 stability, providing an alternate means of targeting MCL1 activity. In addition, the emergence and development of proteolysis-targeting chimeras, the function of which is based on ubiquitination-mediated degradation, has shown great potential. In this review, we provide an overview of the studies investigating the ubiquitination and deubiquitination of MCL1, summarize the latest evidence regarding the development of therapeutic strategies targeting MCL1 in cancer treatment, and discuss the promising future of targeting MCL1 via the ubiquitin–proteasome system in clinical practice.
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Affiliation(s)
- Xiaowei Wu
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China
| | - Qingyu Luo
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China
| | - Zhihua Liu
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China.
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Escamilla-Ramírez A, Castillo-Rodríguez RA, Zavala-Vega S, Jimenez-Farfan D, Anaya-Rubio I, Briseño E, Palencia G, Guevara P, Cruz-Salgado A, Sotelo J, Trejo-Solís C. Autophagy as a Potential Therapy for Malignant Glioma. Pharmaceuticals (Basel) 2020; 13:ph13070156. [PMID: 32707662 PMCID: PMC7407942 DOI: 10.3390/ph13070156] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/01/2020] [Accepted: 07/14/2020] [Indexed: 02/06/2023] Open
Abstract
Glioma is the most frequent and aggressive type of brain neoplasm, being anaplastic astrocytoma (AA) and glioblastoma multiforme (GBM), its most malignant forms. The survival rate in patients with these neoplasms is 15 months after diagnosis, despite a diversity of treatments, including surgery, radiation, chemotherapy, and immunotherapy. The resistance of GBM to various therapies is due to a highly mutated genome; these genetic changes induce a de-regulation of several signaling pathways and result in higher cell proliferation rates, angiogenesis, invasion, and a marked resistance to apoptosis; this latter trait is a hallmark of highly invasive tumor cells, such as glioma cells. Due to a defective apoptosis in gliomas, induced autophagic death can be an alternative to remove tumor cells. Paradoxically, however, autophagy in cancer can promote either a cell death or survival. Modulating the autophagic pathway as a death mechanism for cancer cells has prompted the use of both inhibitors and autophagy inducers. The autophagic process, either as a cancer suppressing or inducing mechanism in high-grade gliomas is discussed in this review, along with therapeutic approaches to inhibit or induce autophagy in pre-clinical and clinical studies, aiming to increase the efficiency of conventional treatments to remove glioma neoplastic cells.
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Affiliation(s)
- Angel Escamilla-Ramírez
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
| | - Rosa A. Castillo-Rodríguez
- Laboratorio de Oncología Experimental, CONACYT-Instituto Nacional de Pediatría, Ciudad de México 04530, Mexico;
| | - Sergio Zavala-Vega
- Departamento de Patología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico;
| | - Dolores Jimenez-Farfan
- Laboratorio de Inmunología, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Isabel Anaya-Rubio
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
| | - Eduardo Briseño
- Clínica de Neurooncología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico;
| | - Guadalupe Palencia
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
| | - Patricia Guevara
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
| | - Arturo Cruz-Salgado
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
| | - Julio Sotelo
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
| | - Cristina Trejo-Solís
- Departamento de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía, Ciudad de México 14269, Mexico; (A.E.-R.); (I.A.-R.); (G.P.); (P.G.); (A.C.-S.); (J.S.)
- Correspondence: ; Tel.: +52-555-060-4040
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10
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Saga of Mcl-1: regulation from transcription to degradation. Cell Death Differ 2020; 27:405-419. [PMID: 31907390 DOI: 10.1038/s41418-019-0486-3] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/05/2019] [Accepted: 12/13/2019] [Indexed: 01/01/2023] Open
Abstract
The members of the Bcl-2 family are the central regulators of various cell death modalities. Some of these proteins contribute to apoptosis, while others counteract this type of programmed cell death, thus balancing cell demise and survival. A disruption of this balance leads to the development of various diseases, including cancer. Therefore, understanding the mechanisms that underlie the regulation of proteins of the Bcl-2 family is of great importance for biomedical research. Among the members of the Bcl-2 family, antiapoptotic protein Mcl-1 is characterized by a short half-life, which renders this protein highly sensitive to changes in its synthesis or degradation. Hence, the regulation of Mcl-1 is of particular scientific interest, and the study of Mcl-1 modulators could aid in the understanding of the mechanisms of disease development and the ways of their treatment. Here, we summarize the present knowledge regarding the regulation of Mcl-1, from transcription to degradation, focusing on aspects that have not yet been described in detail.
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11
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Chiou JT, Lee YC, Huang CH, Shi YJ, Wang LJ, Chang LS. Autophagic HuR mRNA degradation induces survivin and MCL1 downregulation in YM155-treated human leukemia cells. Toxicol Appl Pharmacol 2020; 387:114857. [DOI: 10.1016/j.taap.2019.114857] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 12/05/2019] [Accepted: 12/10/2019] [Indexed: 12/24/2022]
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12
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Nguyen TTT, Ishida CT, Shang E, Shu C, Torrini C, Zhang Y, Bianchetti E, Sanchez‐Quintero MJ, Kleiner G, Quinzii CM, Westhoff M, Karpel‐Massler G, Canoll P, Siegelin MD. Activation of LXRβ inhibits tumor respiration and is synthetically lethal with Bcl-xL inhibition. EMBO Mol Med 2019; 11:e10769. [PMID: 31468706 PMCID: PMC6783693 DOI: 10.15252/emmm.201910769] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/01/2019] [Accepted: 08/06/2019] [Indexed: 01/09/2023] Open
Abstract
Liver-X-receptor (LXR) agonists are known to bear anti-tumor activity. However, their efficacy is limited and additional insights regarding the underlying mechanism are necessary. By performing transcriptome analysis coupled with global polar metabolite screening, we show that LXR agonists, LXR623 and GW3965, enhance synergistically the anti-proliferative effect of BH3 mimetics in solid tumor malignancies, which is predominantly mediated by cell death with features of apoptosis and is rescued by exogenous cholesterol. Extracellular flux analysis and carbon tracing experiments (U-13 C-glucose and U-13 C-glutamine) reveal that within 5 h, activation of LXRβ results in reprogramming of tumor cell metabolism, leading to suppression of mitochondrial respiration, a phenomenon not observed in normal human astrocytes. LXR activation elicits a suppression of respiratory complexes at the protein level by reducing their stability. In turn, energy starvation drives an integrated stress response (ISR) that up-regulates pro-apoptotic Noxa in an ATF4-dependent manner. Cholesterol and nucleotides rescue from the ISR elicited by LXR agonists and from cell death induced by LXR agonists and BH3 mimetics. In conventional and patient-derived xenograft models of colon carcinoma, melanoma, and glioblastoma, the combination treatment of ABT263 and LXR agonists reduces tumor sizes significantly stronger than single treatments. Therefore, the combination treatment of LXR agonists and BH3 mimetics might be a viable efficacious treatment approach for solid malignancies.
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Affiliation(s)
- Trang Thi Thu Nguyen
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | - Chiaki Tsuge Ishida
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | - Enyuan Shang
- Department of Biological SciencesBronx Community CollegeCity University of New YorkBronxNYUSA
| | - Chang Shu
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | - Consuelo Torrini
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | - Yiru Zhang
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | - Elena Bianchetti
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | | | - Giulio Kleiner
- Department of NeurologyColumbia University Medical CenterNew YorkNYUSA
| | | | - Mike‐Andrew Westhoff
- Department of Pediatrics and Adolescent MedicineUlm University Medical CenterUlmGermany
| | | | - Peter Canoll
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
| | - Markus D Siegelin
- Department of Pathology & Cell BiologyColumbia University Medical CenterNew YorkNYUSA
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13
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Wu L, Lin Y, Feng J, Qi Y, Wang X, Lin Q, Shi W, Zheng E, Wang W, Hou Z, Lin H, Yu C, He Y, Xu Y, Yang H, Lin L, Li L. The deubiquitinating enzyme OTUD1 antagonizes BH3-mimetic inhibitor induced cell death through regulating the stability of the MCL1 protein. Cancer Cell Int 2019; 19:222. [PMID: 31467488 PMCID: PMC6712616 DOI: 10.1186/s12935-019-0936-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 08/18/2019] [Indexed: 11/10/2022] Open
Abstract
Background Myeloid cell leukaemia 1 (MCL1) is a pro-survival Bcl-2 family protein that plays important roles in cell survival, proliferation, differentiation and tumourigenesis. MCL1 is a fast-turnover protein that is degraded via an ubiquitination/proteasome-dependent mechanism. Although several E3 ligases have been discovered to promote the ubiquitination of MCL1, the deubiquitinating enzyme (DUB) that regulates its stability requires further investigation. Methods The immunoprecipitation was used to determine the interaction between OTUD1 and MCL1. The ubiquitination assays was performed to determine the regulation of MCL1 by OTUD1. The cell viability was used to determine the regulation of BH3-mimetic inhibitor induced cell death by OTUD1. The survival analysis was used to determine the relationship between OTUD1 expression levels and the survival rate of cancer patients. Results By screening a DUB expression library, we determined that the deubiquitinating enzyme OTUD1 regulates MCL1 protein stability in an enzymatic-activity dependent manner. OTUD1 interacts with MCL1 and promotes its deubiquitination. Knockdown of OTUD1 increases the sensitivity of tumour cells to the BH3-mimetic inhibitor ABT-263, while overexpression of OTUD1 increases tumour cell tolerance of ABT-263. Furthermore, bioinformatics analysis data reveal that OTUD1 is a negative prognostic factor for liver cancer, ovarian cancer and specific subtypes of breast and cervical cancer. Conclusions The deubiquitinating enzyme OTUD1 antagonizes BH3-mimetic inhibitor induced cell death through regulating the stability of the MCL1 protein. Thus, OTUD1 could be considered as a therapeutic target for curing these cancers.
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Affiliation(s)
- Lanqin Wu
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Yingying Lin
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Jinan Feng
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Yuanlin Qi
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Xinrui Wang
- 2State Key Laboratory for Medical Genomics, Shanghai Institute of Hematology, Rui Jin Hospital Affiliated to School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qiaofa Lin
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Wanyan Shi
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Enrun Zheng
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Wei Wang
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Zhenzhu Hou
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Hanbin Lin
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Cheng Yu
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Yan He
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Yan Xu
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Hong Yang
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Ling Lin
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China
| | - Lisheng Li
- 1The School of Basic Medical Sciences, Fujian Medical University, Minhou, Fuzhou China.,3Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, 1 Xueyuan Road, Minhou, Fuzhou China
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14
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Wang X, Li W, Zhang N, Zheng X, Jing Z. Opportunities and challenges of co-targeting epidermal growth factor receptor and autophagy signaling in non-small cell lung cancer. Oncol Lett 2019; 18:499-506. [PMID: 31289521 DOI: 10.3892/ol.2019.10372] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 04/11/2019] [Indexed: 12/17/2022] Open
Abstract
Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) are a standard therapy for patients with non-small cell lung cancer (NSCLC) with sensitive mutations. However, acquired resistance emerges following a median of 6-12 months. Several studies demonstrated that EGFR-TKI-induced tumor microenvironment stresses and autophagy are important causes of resistance. The current review summarizes the molecular mechanisms involved in EGFR-mediated regulation of autophagy. The role of autophagy in EGFR-TKI treatment, which may serve a role in protection or cell death, was discussed. Furthermore, co-inhibiting EGFR and autophagy signaling as a rational therapeutic strategy in the treatment of patients with NSCLC was explored.
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Affiliation(s)
- Xiaoju Wang
- Department of Radiation Oncology, Hangzhou Cancer Hospital, Hangzhou, Zhejiang 310002, P.R. China
| | - Wenxin Li
- Department of Radiation Oncology, Hangzhou Cancer Hospital, Hangzhou, Zhejiang 310002, P.R. China
| | - Ni Zhang
- Department of Radiation Oncology, Hangzhou Cancer Hospital, Hangzhou, Zhejiang 310002, P.R. China
| | - Xiaoli Zheng
- Cancer Research Institute, Hangzhou Cancer Hospital, Hangzhou, Zhejiang 310002, P.R. China
| | - Zhao Jing
- Department of Radiation Oncology, Hangzhou Cancer Hospital, Hangzhou, Zhejiang 310002, P.R. China
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15
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Therapeutic Targeting of Stat3 Using Lipopolyplex Nanoparticle-Formulated siRNA in a Syngeneic Orthotopic Mouse Glioma Model. Cancers (Basel) 2019; 11:cancers11030333. [PMID: 30857197 PMCID: PMC6468565 DOI: 10.3390/cancers11030333] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/25/2019] [Accepted: 03/04/2019] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma (GBM), WHO grade IV, is the most aggressive primary brain tumor in adults. The median survival time using standard therapy is only 12–15 months with a 5-year survival rate of around 5%. Thus, new and effective treatment modalities are of significant importance. Signal transducer and activator of transcription 3 (Stat3) is a key signaling protein driving major hallmarks of cancer and represents a promising target for the development of targeted glioblastoma therapies. Here we present data showing that the therapeutic application of siRNAs, formulated in nanoscale lipopolyplexes (LPP) based on polyethylenimine (PEI) and the phospholipid 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC), represents a promising new approach to target Stat3 in glioma. We demonstrate that the LPP-mediated delivery of siRNA mediates efficient knockdown of Stat3, suppresses Stat3 activity and limits cell growth in murine (Tu2449) and human (U87, Mz18) glioma cells in vitro. In a therapeutic setting, intracranial application of the siRNA-containing LPP leads to knockdown of STAT3 target gene expression, decreased tumor growth and significantly prolonged survival in Tu2449 glioma-bearing mice compared to negative control-treated animals. This is a proof-of-concept study introducing PEI-based lipopolyplexes as an efficient strategy for therapeutically targeting oncoproteins with otherwise limited druggability.
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16
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Trejo-Solís C, Serrano-Garcia N, Escamilla-Ramírez Á, Castillo-Rodríguez RA, Jimenez-Farfan D, Palencia G, Calvillo M, Alvarez-Lemus MA, Flores-Nájera A, Cruz-Salgado A, Sotelo J. Autophagic and Apoptotic Pathways as Targets for Chemotherapy in Glioblastoma. Int J Mol Sci 2018; 19:ijms19123773. [PMID: 30486451 PMCID: PMC6320836 DOI: 10.3390/ijms19123773] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/14/2018] [Accepted: 11/21/2018] [Indexed: 01/07/2023] Open
Abstract
Glioblastoma multiforme is the most malignant and aggressive type of brain tumor, with a mean life expectancy of less than 15 months. This is due in part to the high resistance to apoptosis and moderate resistant to autophagic cell death in glioblastoma cells, and to the poor therapeutic response to conventional therapies. Autophagic cell death represents an alternative mechanism to overcome the resistance of glioblastoma to pro-apoptosis-related therapies. Nevertheless, apoptosis induction plays a major conceptual role in several experimental studies to develop novel therapies against brain tumors. In this review, we outline the different components of the apoptotic and autophagic pathways and explore the mechanisms of resistance to these cell death pathways in glioblastoma cells. Finally, we discuss drugs with clinical and preclinical use that interfere with the mechanisms of survival, proliferation, angiogenesis, migration, invasion, and cell death of malignant cells, favoring the induction of apoptosis and autophagy, or the inhibition of the latter leading to cell death, as well as their therapeutic potential in glioma, and examine new perspectives in this promising research field.
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Affiliation(s)
- Cristina Trejo-Solís
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
| | - Norma Serrano-Garcia
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
| | - Ángel Escamilla-Ramírez
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
- Hospital Regional de Alta Especialidad de Oaxaca, Secretaria de Salud, C.P. 71256 Oaxaca, Mexico.
| | | | - Dolores Jimenez-Farfan
- Laboratorio de Inmunología, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, C.P. 04510 Ciudad de México, Mexico.
| | - Guadalupe Palencia
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
| | - Minerva Calvillo
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
| | - Mayra A Alvarez-Lemus
- División Académica de Ingeniería y Arquitectura, Universidad Juárez Autónoma de Tabasco, C.P. 86040 Tabasco, Mexico.
| | - Athenea Flores-Nájera
- Departamento de Cirugía Experimental, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Secretaria de Salud, 14000 Ciudad de México, Mexico.
| | - Arturo Cruz-Salgado
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
| | - Julio Sotelo
- Departamento de Neuroinmunología, Laboratorio de Neurobiología Molecular y Celular, Laboratorio Experimental de Enfermedades Neurodegenerativas del Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez", C.P. 14269 Ciudad de México, Mexico.
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17
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Inhibition of PIM1 blocks the autophagic flux to sensitize glioblastoma cells to ABT-737-induced apoptosis. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1866:175-189. [PMID: 30389373 DOI: 10.1016/j.bbamcr.2018.10.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 10/05/2018] [Accepted: 10/24/2018] [Indexed: 01/27/2023]
Abstract
Overcoming apoptosis resistance is one major issue in glioblastoma (GB) therapies. Accumulating evidence indicates that resistance to apoptosis in GB is mediated via upregulation of pro-survival BCL2-family members. The synthetic BH3-mimetic ABT-737 effectively targets BCL2, BCL2 like 1 and BCL2 like 2 but still barely affects cell survival which is presumably due to its inability to inhibit myeloid cell leukemia 1 (MCL1). The constitutively active serine/threonine kinase proviral integration site for moloney murine leukemia virus 1 (PIM1) was recently found to be overexpressed in GB patient samples and to maintain cell survival in these tumors. For different GB cell lines, Western Blot, mitochondrial fractionation, fluorescence microscopy, effector caspase assays, flow cytometry, and an adult organotypic brain slice transplantation model were used to investigate the putative PIM1/MCL1 signaling axis regarding potential synergistic effects with ABT-737. We demonstrate that combination of the PIM1 inhibitor SGI-1776 or the pan-PIM kinase inhibitor AZD1208 with ABT-737 strongly sensitizes GB cells to apoptosis. Unexpectedly, this effect was found to be MCL1-independent, but could be partially blocked by caspase 8 (CASP8) inhibition. Remarkably, the analysis of autophagy markers in combination with the observation of massive accumulation and hampered degradation of autophagosomes suggests a completely novel function of PIM1 as a late stage autophagy regulator, maintaining the autophagic flux at the level of autophagosome/lysosome fusion. Our data indicate that PIM1 inhibition and ABT-737 synergistically induce apoptosis in an MCL1-independent but CASP8-dependent manner in GB. They also identify PIM1 as a suitable target for overcoming apoptosis resistance in GB.
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18
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Shang E, Zhang Y, Shu C, Ishida CT, Bianchetti E, Westhoff MA, Karpel-Massler G, Siegelin MD. Dual Inhibition of Bcl-2/Bcl-xL and XPO1 is synthetically lethal in glioblastoma model systems. Sci Rep 2018; 8:15383. [PMID: 30337641 PMCID: PMC6194027 DOI: 10.1038/s41598-018-33784-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 10/06/2018] [Indexed: 01/26/2023] Open
Abstract
XPO1 has recently emerged as a viable treatment target for solid malignancies, including glioblastoma (GBM), the most common primary malignant brain tumor in adults. However, given that tumors become commonly resistant to single treatments, the identification of combination therapies is critical. Therefore, we tested the hypothesis that inhibition of anti-apoptotic Bcl-2 family members and XPO1 are synthetically lethal. To this purpose, two clinically validated drug compounds, the BH3-mimetic, ABT263, and the XPO1 inhibitor, Selinexor, were used in preclinical GBM model systems. Our results show that inhibition of XPO1 reduces cellular viability in glioblastoma cell cultures. Moreover, addition of ABT263 significantly enhances the efficacy of XPO1 inhibition on the reduction of cellular viability, which occurs in a synergistic manner. While selinexor inhibits the proliferation of glioblastoma cells, the combination treatment of ABT263 and selinexor results in substantial induction of cell death, which is accompanied by activation of effector- initiator caspases and cleavage of PARP. Mechanistically we find that XPO1 inhibition results in down-regulation of anti-apoptotic Mcl-1 and attenuates ABT263 driven Mcl-1 up-regulation. Consistently, siRNA mediated silencing of Mcl-1 sensitizes for ABT263 mediated cell death and partially for the combination treatment. By using a human patient-derived xenograft model of glioblastoma in mice, we demonstrate that the combination treatment of ABT263 and Selinexor reduces tumor growth significantly more than each compound alone. Collectively, these results suggest that inhibition of XPO1 and Bcl-2/Bcl-xL might be a potential strategy for the treatment of malignant glial tumors.
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Affiliation(s)
- Enyuan Shang
- Department of Biological Sciences, Bronx Community College, City University of New York, Bronx, New York, USA
| | - Yiru Zhang
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, New York, USA
| | - Chang Shu
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, New York, USA
| | - Chiaki Tsuge Ishida
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, New York, USA
| | - Elena Bianchetti
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, New York, USA
| | - Mike-Andrew Westhoff
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | | | - Markus D Siegelin
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, New York, USA.
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Lee YC, Wang LJ, Huang CH, Shi YJ, Chang LS. ABT-263-induced MCL1 upregulation depends on autophagy-mediated 4EBP1 downregulation in human leukemia cells. Cancer Lett 2018; 432:191-204. [DOI: 10.1016/j.canlet.2018.06.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 06/12/2018] [Accepted: 06/12/2018] [Indexed: 01/14/2023]
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20
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Respondek M, Beberok A, Rok J, Rzepka Z, Wrześniok D, Buszman E. MIM1, the Mcl-1 - specific BH3 mimetic induces apoptosis in human U87MG glioblastoma cells. Toxicol In Vitro 2018; 53:126-135. [PMID: 30134184 DOI: 10.1016/j.tiv.2018.08.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 07/04/2018] [Accepted: 08/16/2018] [Indexed: 01/19/2023]
Abstract
Glioblastoma multiforme (GBM) is the most common and high aggressive malignant brain tumor. Despite evolving oncology treatment and novel chemotherapeutic agents the median survival of patients diagnosed with GBM is only 12-15 months. This grim fact highlights necessity to identify new drugs that could improve the effectiveness of GBM patients treatment. MIM1 is a specific low molecular Mcl-1 protein inhibitor able to induce Mcl-1-dependent cancer cells death. The aim of this study was to examine the effect of MIM1 as well as MIM1 and temozolomide (TMZ) mixture on cell viability, apoptosis and cell cycle progression in human U87MG glioblastoma cells. Cell viability was performed by the WST-1 assay. Mitochondrial membrane potential, Annexin V assay, DNA fragmentation and cell cycle distribution were determined by fluorescence image cytometer NucleoCounter NC-3000. The obtained results show that MIM1 and MIM1/TMZ mixture decrease glioblastoma cells viability in a dose- and time- dependent manner. Moreover, the exposure of U87MG cells to MIM1 and MIM1/TMZ mixture causes mitochondrial dysfunction as well as DNA fragmentation and cell cycle arrest at G2/M phase. This study provides for the first time convincing evidence that BH3 mimetic MIM1, which inhibits Mcl-1 antiapoptotic protein may be an efficacious molecule able to induction of apoptosis and sensitize GBM cells to alkylating agents.
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Affiliation(s)
- Michalina Respondek
- Medical University of Silesia, School of Pharmacy with the Division of Laboratory Medicine, Department of Pharmaceutical Chemistry, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Artur Beberok
- Medical University of Silesia, School of Pharmacy with the Division of Laboratory Medicine, Department of Pharmaceutical Chemistry, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Jakub Rok
- Medical University of Silesia, School of Pharmacy with the Division of Laboratory Medicine, Department of Pharmaceutical Chemistry, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Zuzanna Rzepka
- Medical University of Silesia, School of Pharmacy with the Division of Laboratory Medicine, Department of Pharmaceutical Chemistry, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Dorota Wrześniok
- Medical University of Silesia, School of Pharmacy with the Division of Laboratory Medicine, Department of Pharmaceutical Chemistry, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Ewa Buszman
- Medical University of Silesia, School of Pharmacy with the Division of Laboratory Medicine, Department of Pharmaceutical Chemistry, Jagiellońska 4, 41-200 Sosnowiec, Poland
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Autophagic cell death associated to Sorafenib in renal cell carcinoma is mediated through Akt inhibition in an ERK1/2 independent fashion. PLoS One 2018; 13:e0200878. [PMID: 30048489 PMCID: PMC6062059 DOI: 10.1371/journal.pone.0200878] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 06/15/2018] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES To fully clarify the role of Mitogen Activated Protein Kinase in the therapeutic response to Sorafenib in Renal Cell Carcinoma as well as the cell death mechanism associated to this kinase inhibitor, we have evaluated the implication of several Mitogen Activated Protein Kinases in Renal Cell Carcinoma-derived cell lines. MATERIALS AND METHODS An experimental model of Renal Cell Carcinoma-derived cell lines (ACHN and 786-O cells) was evaluated in terms of viability by MTT assay, induction of apoptosis by caspase 3/7 activity, autophagy induction by LC3 lipidation, and p62 degradation and kinase activity using phospho-targeted antibodies. Knock down of ATG5 and ERK5 was performed using lentiviral vector coding specific shRNA. RESULTS Our data discard Extracellular Regulated Kinase 1/2 and 5 as well as p38 Mitogen Activated Protein Kinase pathways as mediators of Sorafenib toxic effect but instead indicate that the inhibitory effect is exerted through the PI3K/Akt signalling pathway. Furthermore, we demonstrate that inhibition of Akt mediates cell death associated to Sorafenib without caspase activation, and this is consistent with the induction of autophagy, as indicated by the use of pharmacological and genetic approaches. CONCLUSION The present report demonstrates that Sorafenib exerts its toxic effect through the induction of autophagy in an Akt-dependent fashion without the implication of Mitogen Activated Protein Kinase. Therefore, our data discard the use of inhibitors of the RAF-MEK-ERK1/2 signalling pathway in RCC and support the use of pro-autophagic compounds, opening new therapeutic opportunities for Renal Cell Carcinoma.
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Liang YY, Deng XB, Zeng LS, Lin XT, Shao XF, Wang B, Mo ZW, Yuan YW. RASSF6-mediated inhibition of Mcl-1 through JNK activation improves the anti-tumor effects of sorafenib in renal cell carcinoma. Cancer Lett 2018; 432:75-83. [PMID: 29864454 DOI: 10.1016/j.canlet.2018.05.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/30/2018] [Accepted: 05/31/2018] [Indexed: 02/08/2023]
Abstract
Ras association domain family member 6 (RASSF6) has been shown to act as a tumor suppressor and predictor of poor prognosis in renal cell carcinoma (RCC). However, little is known about the effects of RASSF6 on sorafenib resistance or the underlying mechanism. Here, we show that RASSF6 expression positively correlates with sorafenib sensitivity in RCC cells and human samples. Stable ectopic overexpression of RASSF6 in RCC cell lines reduces resistance to sorafenib in vitro and in vivo. At a molecular level, RASSF6 activates the JNK signaling pathway, which further contributes to Mcl-1 inhibition. Suppression of the JNK pathway can partially restore Mcl-1 expression and sorafenib resistance. Together, these findings suggest that RASSF6 inhibits sorafenib resistance by repressing Mcl-1 through the JNK-dependent pathway. RASSF6 may serve as a novel regulator for sorafenib therapy in RCC.
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Affiliation(s)
- Ying-Ying Liang
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Xu-Bin Deng
- Department of Internal Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Li-Si Zeng
- Department of Abdominal Surgery (Section 2), Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Xian-Tao Lin
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Xun-Fan Shao
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Bin Wang
- Department of Urology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Zhi-Wen Mo
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
| | - Ya-Wei Yuan
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China.
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23
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Timucin AC, Basaga H, Kutuk O. Selective targeting of antiapoptotic BCL-2 proteins in cancer. Med Res Rev 2018; 39:146-175. [DOI: 10.1002/med.21516] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 05/05/2018] [Accepted: 05/12/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Ahmet Can Timucin
- Faculty of Engineering and Natural Sciences, Department of Chemical and Biological Engineering; Uskudar University; Uskudar Istanbul Turkey
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program; Sabanci University; Tuzla Istanbul Turkey
| | - Huveyda Basaga
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics and Bioengineering Program; Sabanci University; Tuzla Istanbul Turkey
| | - Ozgur Kutuk
- Department of Medical Genetics; Adana Medical and Research Center; School of Medicine, Baskent University; Yuregir Adana Turkey
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24
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Zhang Y, Ishida CT, Ishida W, Lo SFL, Zhao J, Shu C, Bianchetti E, Kleiner G, Sanchez-Quintero MJ, Quinzii CM, Westhoff MA, Karpel-Massler G, Canoll P, Siegelin MD. Combined HDAC and Bromodomain Protein Inhibition Reprograms Tumor Cell Metabolism and Elicits Synthetic Lethality in Glioblastoma. Clin Cancer Res 2018; 24:3941-3954. [PMID: 29764852 DOI: 10.1158/1078-0432.ccr-18-0260] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/19/2018] [Accepted: 05/10/2018] [Indexed: 11/16/2022]
Abstract
Purpose: Glioblastoma remains a challenge in oncology, in part due to tumor heterogeneity.Experimental Design: Patient-derived xenograft and stem-like glioblastoma cells were used as the primary model systems.Results: Based on a transcriptome and subsequent gene set enrichment analysis (GSEA), we show by using clinically validated compounds that the combination of histone deacetylase (HDAC) inhibition and bromodomain protein (BRD) inhibition results in pronounced synergistic reduction in cellular viability in patient-derived xenograft and stem-like glioblastoma cells. Transcriptome-based GSEA analysis suggests that metabolic reprogramming is involved with synergistic reduction of oxidative and glycolytic pathways in the combination treatment. Extracellular flux analysis confirms that combined HDAC inhibition and BRD inhibition blunts oxidative and glycolytic metabolism of cancer cells, leading to a depletion of intracellular ATP production and total ATP levels. In turn, energy deprivation drives an integrated stress response, originating from the endoplasmic reticulum. This results in an increase in proapoptotic Noxa. Aside from Noxa, we encounter a compensatory increase of antiapoptotic Mcl-1 protein. Pharmacologic, utilizing the FDA-approved drug sorafenib, and genetic inhibition of Mcl-1 enhanced the effects of the combination therapy. Finally, we show in orthotopic patient-derived xenografts of GBM, that the combination treatment reduces tumor growth, and that triple therapy involving the clinically validated compounds panobinostat, OTX015, and sorafenib further enhances these effects, culminating in a significant regression of tumors in vivoConclusions: Overall, these results warrant clinical testing of this novel, efficacious combination therapy. Clin Cancer Res; 24(16); 3941-54. ©2018 AACR.
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Affiliation(s)
- Yiru Zhang
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York
| | - Chiaki Tsuge Ishida
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York
| | - Wataru Ishida
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Sheng-Fu L Lo
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Junfei Zhao
- Department of Biomedical Informatics, Columbia University, New York, New York
| | - Chang Shu
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York
| | - Elena Bianchetti
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York
| | - Giulio Kleiner
- Department of Neurology, H. Houston Merritt Neuromuscular Research Center, Columbia University Medical Center, New York, New York
| | - Maria J Sanchez-Quintero
- Department of Neurology, H. Houston Merritt Neuromuscular Research Center, Columbia University Medical Center, New York, New York
| | - Catarina M Quinzii
- Department of Neurology, H. Houston Merritt Neuromuscular Research Center, Columbia University Medical Center, New York, New York
| | - Mike-Andrew Westhoff
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | | | - Peter Canoll
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York
| | - Markus D Siegelin
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York.
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25
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Fogha J, Marekha B, De Giorgi M, Voisin-Chiret AS, Rault S, Bureau R, Sopkova-de Oliveira Santos J. Toward Understanding Mcl-1 Promiscuous and Specific Binding Mode. J Chem Inf Model 2017; 57:2885-2895. [DOI: 10.1021/acs.jcim.7b00396] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jade Fogha
- Normandie Univ, UNICAEN, CERMN, FR CNRS 3038 INC3M, SF 4206 ICORE bd Becquerel, F-14000 Caen, France
| | - Bogdan Marekha
- Normandie Univ, UNICAEN, CERMN, FR CNRS 3038 INC3M, SF 4206 ICORE bd Becquerel, F-14000 Caen, France
| | - Marcella De Giorgi
- Normandie Univ, UNICAEN, CERMN, FR CNRS 3038 INC3M, SF 4206 ICORE bd Becquerel, F-14000 Caen, France
| | - Anne Sophie Voisin-Chiret
- Normandie Univ, UNICAEN, CERMN, FR CNRS 3038 INC3M, SF 4206 ICORE bd Becquerel, F-14000 Caen, France
| | - Sylvain Rault
- Normandie Univ, UNICAEN, CERMN, FR CNRS 3038 INC3M, SF 4206 ICORE bd Becquerel, F-14000 Caen, France
| | - Ronan Bureau
- Normandie Univ, UNICAEN, CERMN, FR CNRS 3038 INC3M, SF 4206 ICORE bd Becquerel, F-14000 Caen, France
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26
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Miranda A, Blanco-Prieto MJ, Sousa J, Pais A, Vitorino C. Breaching barriers in glioblastoma. Part II: Targeted drug delivery and lipid nanoparticles. Int J Pharm 2017; 531:389-410. [DOI: 10.1016/j.ijpharm.2017.07.049] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 07/13/2017] [Accepted: 07/15/2017] [Indexed: 02/07/2023]
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27
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Karpel-Massler G, Ishida CT, Zhang Y, Halatsch ME, Westhoff MA, Siegelin MD. Targeting intrinsic apoptosis and other forms of cell death by BH3-mimetics in glioblastoma. Expert Opin Drug Discov 2017; 12:1031-1040. [PMID: 28712306 DOI: 10.1080/17460441.2017.1356286] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Novel approaches to treat malignant brain tumors are necessary since these neoplasms still display an unfavorable prognosis. Areas covered: In this review, the authors summarize and analyze recent preclinical data that suggest that targeting intrinsic apoptosis may be a suitable strategy for the treatment of malignant gliomas. They focus on the anti-apoptotic Bcl-2 family members of proteins and the recent drug developments in that field with a special focus on BH3-mimetics. With the discovery of BH3-mimetics that interfere with anti-apoptotic Bcl-2 family members in the low nanomolar range significant excitement has been generated towards these class of inhibitors, such as ABT-737, ABT-263 and the most recent successor, ABT-199 which is most advanced with respect to clinical application. The authors discuss the more recent selective inhibitors of Bcl-xL and Mcl-1. Concerning Mcl-1, these novel classes of inhibitors have the potential to impact malignant gliomas since these tumors reveal increased levels of Mcl-1. Expert opinion: The recent development of certain small molecules raises significant hope that intrinsic apoptosis might soon be efficiently targetable for malignancies of the central nervous system. That being said, additional studies are necessary to determine which of the BH3-mimetics might be most suitable.
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Affiliation(s)
| | - Chiaki Tsuge Ishida
- b Department of Pathology & Cell Biology , Columbia University Medical Center , New York , NY , USA
| | - Yiru Zhang
- b Department of Pathology & Cell Biology , Columbia University Medical Center , New York , NY , USA
| | - Marc-Eric Halatsch
- a Department of Neurosurgery , Ulm University Medical Center , Ulm , Germany
| | - M-Andrew Westhoff
- c Department of Pediatrics and Adolescent medicine , Ulm University Medical Center , Ulm , Germany
| | - Markus D Siegelin
- b Department of Pathology & Cell Biology , Columbia University Medical Center , New York , NY , USA
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28
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Ramsden DB, Waring RH, Barlow DJ, Parsons RB. Nicotinamide N-Methyltransferase in Health and Cancer. Int J Tryptophan Res 2017; 10:1178646917691739. [PMID: 35185340 PMCID: PMC8851132 DOI: 10.1177/1178646917691739] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 01/11/2017] [Indexed: 12/19/2022] Open
Abstract
Over the past decade, the roles of nicotinamide N-methyltransferase and its product 1-methyl nicotinamide have emerged from playing merely minor roles in phase 2 xenobiotic metabolism as actors in some of the most important scenes of human life. In this review, the structures of the gene, messenger RNA, and protein are discussed, together with the role of the enzyme in many of the common cancers that afflict people today.
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Affiliation(s)
- David B Ramsden
- Institute of Metabolism and Systems Research, The Medical School, University of Birmingham, Birmingham, UK
| | | | - David J Barlow
- Institute of Pharmaceutical Science, King’s College London, London, UK
| | - Richard B Parsons
- Institute of Pharmaceutical Science, King’s College London, London, UK
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29
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Antonietti P, Linder B, Hehlgans S, Mildenberger IC, Burger MC, Fulda S, Steinbach JP, Gessler F, Rödel F, Mittelbronn M, Kögel D. Interference with the HSF1/HSP70/BAG3 Pathway Primes Glioma Cells to Matrix Detachment and BH3 Mimetic-Induced Apoptosis. Mol Cancer Ther 2016; 16:156-168. [PMID: 27777286 DOI: 10.1158/1535-7163.mct-16-0262] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 09/14/2016] [Accepted: 09/28/2016] [Indexed: 11/16/2022]
Abstract
Malignant gliomas exhibit a high intrinsic resistance against stimuli triggering apoptotic cell death. HSF1 acts as transcription factor upstream of HSP70 and the HSP70 co-chaperone BAG3 that is overexpressed in glioblastoma. To specifically target this resistance mechanism, we applied the selective HSF1 inhibitor KRIBB11 and the HSP70/BAG3 interaction inhibitor YM-1 in combination with the pan-Bcl-2 inhibitor AT-101. Here, we demonstrate that lentiviral BAG3 silencing significantly enhances AT-101-induced cell death and reactivates effector caspase-mediated apoptosis in U251 glioma cells with high BAG3 expression, whereas these sensitizing effects were less pronounced in U343 cells expressing lower BAG3 levels. KRIBB11 decreased protein levels of HSP70, BAG3, and the antiapoptotic Bcl-2 protein Mcl-1, and both KRIBB11 and YM-1 elicited significantly increased mitochondrial dysfunction, effector caspase activity, and apoptotic cell death after combined treatment with AT-101 and ABT-737. Depletion of BAG3 also led to a pronounced loss of cell-matrix adhesion, FAK phosphorylation, and in vivo tumor growth in an orthotopic mouse glioma model. Furthermore, it reduced the plating efficiency of U251 cells in three-dimensional clonogenic assays and limited clonogenic survival after short-term treatment with AT-101. Collectively, our data suggest that the HSF1/HSP70/BAG3 pathway plays a pivotal role for overexpression of prosurvival Bcl-2 proteins and cell death resistance of glioma. They also support the hypothesis that interference with BAG3 function is an effective novel approach to prime glioma cells to anoikis. Mol Cancer Ther; 16(1); 156-68. ©2016 AACR.
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Affiliation(s)
- Patrick Antonietti
- Experimental Neurosurgery, Goethe University Hospital, Frankfurt am Main, Germany
| | - Benedikt Linder
- Experimental Neurosurgery, Goethe University Hospital, Frankfurt am Main, Germany
| | - Stephanie Hehlgans
- Radiotherapy and Oncology, Goethe University Hospital, Frankfurt am Main, Germany
| | | | | | - Simone Fulda
- Institute for Experimental Cancer Research in Pediatrics, Goethe University Hospital, Frankfurt am Main, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Joachim P Steinbach
- Dr. Senckenberg Institute of Neurooncology.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Florian Gessler
- Department of Neurosurgery, Goethe University Hospital, Frankfurt am Main, Germany
| | - Franz Rödel
- Radiotherapy and Oncology, Goethe University Hospital, Frankfurt am Main, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Michel Mittelbronn
- German Cancer Consortium (DKTK), Heidelberg, Germany.,Edinger Institute, Goethe University Hospital, Frankfurt am Main, Germany
| | - Donat Kögel
- Experimental Neurosurgery, Goethe University Hospital, Frankfurt am Main, Germany. .,German Cancer Consortium (DKTK), Heidelberg, Germany
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30
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Kim LH, Shin JA, Jang B, Yang IH, Won DH, Jeong JH, Chung TH, Cho NP, Cho SD. Sorafenib potentiates ABT-737-induced apoptosis in human oral cancer cells. Arch Oral Biol 2016; 73:1-6. [PMID: 27632413 DOI: 10.1016/j.archoralbio.2016.08.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 08/14/2016] [Accepted: 08/30/2016] [Indexed: 11/15/2022]
Abstract
OBJECTIVE The mimetic BH3 ABT-737, a potent inhibitor of anti-apoptotic Bcl-2 family proteins, has potential as anti-cancer drug in many cancers. Recently, patients treated with ABT-737 have developed drug tolerance during cancer therapy. Therefore, we examined whether ABT-737 is effective in killing MC-3 and HSC-3 human oral cancer cells either alone or in combination with the oncogenic kinase inhibitor, sorafenib. DESIGN The potentiating activities of sorafenib in ABT-737-induced apoptosis were determined using trypan blue exclusion assay, DAPI staining, cell viability assay and Western blot analysis. RESULTS Combined use of ABT-737 and sorafenib synergistically suppressed cell viability and induced apoptosis compared with either compound individually. The combination of ABT-737 and sorafenib altered only Bax and Bak proteins and their activations, resulting in mitochondrial translocation of Bax from the cytosol. Additionally, combination treatment-mediated apoptosis may be correlated with ERK and STAT3 pathways. CONCLUSIONS These results suggest that sorafenib may effectively overcome ABT-737 resistance to apoptotic cell death, which can be a new potential chemotherapeutic strategy against human oral cancer.
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Affiliation(s)
- Lee-Han Kim
- Department of Oral Pathology, School of Dentistry, Institute of Biodegradable material, Institute of Oral Bioscience, Chonbuk National University, Jeonju 54986, Republic of Korea
| | - Ji-Ae Shin
- Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Alkek Building for Biomedical Research, Houston, TX, 77030, USA
| | - Boonsil Jang
- Department of Oral Pathology, School of Dentistry, Institute of Biodegradable material, Institute of Oral Bioscience, Chonbuk National University, Jeonju 54986, Republic of Korea
| | - In-Hyoung Yang
- Department of Oral Pathology, School of Dentistry, Institute of Biodegradable material, Institute of Oral Bioscience, Chonbuk National University, Jeonju 54986, Republic of Korea
| | - Dong-Hoon Won
- Department of Oral Pathology, School of Dentistry, Institute of Biodegradable material, Institute of Oral Bioscience, Chonbuk National University, Jeonju 54986, Republic of Korea
| | - Joseph H Jeong
- Department of Urology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Tae-Ho Chung
- Department of Animal Resources Science, Joongbu University, Chungnam, 32713, Republic of Korea
| | - Nam-Pyo Cho
- Department of Oral Pathology, School of Dentistry, Institute of Biodegradable material, Institute of Oral Bioscience, Chonbuk National University, Jeonju 54986, Republic of Korea
| | - Sung-Dae Cho
- Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 03080, Republic of Korea.
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Bazhanova ED, Anisimov VN. The role of STAT transcription factors in apoptosis regulation of hypothalamic neurons in aging in HER-2/neu transgenic mice and wild-type FVB/N mice. DOKL BIOCHEM BIOPHYS 2016; 468:217-9. [DOI: 10.1134/s1607672916030169] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Indexed: 01/23/2023]
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El-Ashmawy NE, Khedr EG, El-Bahrawy HA, Abd El-Fattah EE. Sorafenib effect on liver neoplastic changes in rats: more than a kinase inhibitor. Clin Exp Med 2016; 17:185-191. [PMID: 27085325 DOI: 10.1007/s10238-016-0416-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Accepted: 03/30/2016] [Indexed: 01/23/2023]
Abstract
Although sorafenib was approved as antiangiogenic agent in case of hepatocellular carcinoma (HCC), the pathways mediating its antitumorigenic effects were not fully examined in vivo. This study was conducted to elucidate the molecular mechanisms underlying the antineoplastic effect of sorafenib in livers of rats exposed to the hepatocarcinogen diethyl nitrosamine (DENA) regarding oxidative stress, proliferation, and apoptotic pathways. Male albino rats were divided into three groups: normal control, DENA group, and sorafenib group. Sorafenib (10 mg/kg) was given daily to rats orally for 2 weeks, started 6 weeks after DENA (200 mg/kg, single i.p. dose). The histopathological results proved that sorafenib corrected neoplastic changes in the liver as evidenced by a decrease in size of hepatocellular foci. The liver index, glutathione, as well as Bcl-2 were significantly decreased in sorafenib group compared with DENA group. Sorafenib also exhibited antiproliferative effect through suppression of gene expression of cyclin D1 and β-catenin. Thus, the apoptotic and proliferative pathways in HCC could be interrupted by sorafenib, supporting the role of sorafenib as antineoplastic agent and nominating it as a candidate drug for other neoplasms.
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Affiliation(s)
- Nahla E El-Ashmawy
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Eman G Khedr
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Hoda A El-Bahrawy
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
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miR-133 regulates Evi1 expression in AML cells as a potential therapeutic target. Sci Rep 2016; 6:19204. [PMID: 26754824 PMCID: PMC4709720 DOI: 10.1038/srep19204] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 12/08/2015] [Indexed: 01/18/2023] Open
Abstract
The Ecotropic viral integration site 1 (Evi1) is a zinc finger transcription factor, which is located on chromosome 3q26, over-expression in some acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). Elevated Evi1 expression in AML is associated with unfavorable prognosis. Therefore, Evi1 is one of the strong candidate in molecular target therapy for the leukemia. MicroRNAs (miRNAs) are small non-coding RNAs, vital to many cell functions that negatively regulate gene expression by translation or inducing sequence-specific degradation of target mRNAs. As a novel biologics, miRNAs is a promising therapeutic target due to its low toxicity and low cost. We screened miRNAs which down-regulate Evi1. miR-133 was identified to directly bind to Evi1 to regulate it. miR-133 increases drug sensitivity specifically in Evi1 expressing leukemic cells, but not in Evi1-non-expressing cells The results suggest that miR-133 can be promising therapeutic target for the Evi1 dysregulated poor prognostic leukemia.
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34
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Lin MT, Lin CL, Lin TY, Cheng CW, Yang SF, Lin CL, Wu CC, Hsieh YH, Tsai JP. Synergistic effect of fisetin combined with sorafenib in human cervical cancer HeLa cells through activation of death receptor-5 mediated caspase-8/caspase-3 and the mitochondria-dependent apoptotic pathway. Tumour Biol 2015; 37:6987-96. [PMID: 26662956 DOI: 10.1007/s13277-015-4526-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 11/26/2015] [Indexed: 12/21/2022] Open
Abstract
Combining antitumor agents with bioactive compounds is a potential strategy for improving the effect of chemotherapy on cancer cells. The goal of this study was to elucidate the antitumor effect of the flavonoid, fisetin, combined with the multikinase inhibitor, sorafenib, against human cervical cancer cells in vitro and in vivo. The combination of fisetin and sorafenib synergistically induced apoptosis in HeLa cells, which is accompanied by a marked increase in loss of mitochondrial membrane potential. Apoptosis induction was achieved by caspase-3 and caspase-8 activation which increased the ratio of Bax/Bcl-2 and caused the subsequent cleavage of PARP level while disrupting the mitochondrial membrane potential in HeLa cells. Decreased Bax/Bcl-2 ratio level and mitochondrial membrane potential were also observed in siDR5-treated HeLa cells. In addition, in vivo studies revealed that the combined fisetin and sorafenib treatment was clearly superior to sorafenib treatment alone using a HeLa xenograft model. Our study showed that the combination of fisetin and sorafenib exerted better synergistic effects in vitro and in vivo than either agent used alone against human cervical cancer, and this synergism was based on apoptotic potential through a mitochondrial- and DR5-dependent caspase-8/caspase-3 signaling pathway. This combined fisetin and sorafenib treatment represents a novel therapeutic strategy for further clinical developments in advanced cervical cancer.
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Affiliation(s)
- Ming-Te Lin
- Department of Obstetrics and Gynecology, Chang Bing Show Chwan Memorial Hospital, Lugang Town, Changhua County, Taiwan.,Liberal Arts Center, Da-Yeh University, Changhua, Taiwan
| | - Chia-Liang Lin
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Tzu-Yu Lin
- Department of Biochemistry and Molecular Biology, College of Biological Sciences, University of California Davis, Davis, CA, USA
| | - Chun-Wen Cheng
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chu-Liang Lin
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Chih-Chien Wu
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan
| | - Yi-Hsien Hsieh
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan. .,Department of Biochemistry, School of Medicine, Chung Shan Medical University, Taichung, Taiwan. .,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan.
| | - Jen-Pi Tsai
- School of Medicine, Tzu Chi University, Hualien, Taiwan. .,Department of Internal Medicine, Division of Nephrology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan.
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