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Pennel K, Dutton L, Melissourgou-Syka L, Roxburgh C, Birch J, Edwards J. Novel radiation and targeted therapy combinations for improving rectal cancer outcomes. Expert Rev Mol Med 2024; 26:e14. [PMID: 38623751 PMCID: PMC11140547 DOI: 10.1017/erm.2024.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 01/29/2024] [Accepted: 03/22/2024] [Indexed: 04/17/2024]
Abstract
Neoadjuvant radiotherapy (RT) is commonly used as standard treatment for rectal cancer. However, response rates are variable and survival outcomes remain poor, highlighting the need to develop new therapeutic strategies. Research is focused on identifying novel methods for sensitising rectal tumours to RT to enhance responses and improve patient outcomes. This can be achieved through harnessing tumour promoting effects of radiation or preventing development of radio-resistance in cancer cells. Many of the approaches being investigated involve targeting the recently published new dimensions of cancer hallmarks. This review article will discuss key radiation and targeted therapy combination strategies being investigated in the rectal cancer setting, with a focus on exploitation of mechanisms which target the hallmarks of cancer.
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Affiliation(s)
- Kathryn Pennel
- School of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, G61 1BD, UK
| | - Louise Dutton
- School of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, G61 1BD, UK
| | - Lydia Melissourgou-Syka
- School of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, G61 1BD, UK
- CRUK Scotland Institute, Glasgow, G611BD, UK
| | - Campbell Roxburgh
- School of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, G61 1BD, UK
- Academic Unit of Surgery, Glasgow Royal Infirmary, University of Glasgow, Glasgow, G4 0SF, UK
| | - Joanna Birch
- School of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, G61 1BD, UK
| | - Joanne Edwards
- School of Cancer Sciences, Wolfson Wohl Cancer Research Centre, University of Glasgow, Glasgow, G61 1BD, UK
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2
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Zeng K, Li Q, Song G, Chen B, Luo M, Miao J, Liu B. CPT2-mediated fatty acid oxidation inhibits tumorigenesis and enhances sorafenib sensitivity via the ROS/PPARγ/NF-κB pathway in clear cell renal cell carcinoma. Cell Signal 2023; 110:110838. [PMID: 37541641 DOI: 10.1016/j.cellsig.2023.110838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/18/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Kidney cancer is a common kind of tumor with approximately 400,000 new diagnoses each year. Clear cell renal cell carcinoma (ccRCC) accounts for 70-80% of all renal cell carcinomas. Lipid metabolism disorder is a hallmark of ccRCC. With a better knowledge of the importance of fatty acid oxidation (FAO) in cancer, carnitine palmitoyltransferase 2 (CPT2) has gained prominence as a major mediator in the cancer metabolic pathway. However, the biological functions and mechanism of CPT2 in the progression of ccRCC are still unclear. Herein, we performed assays in vitro and in vivo to explore CPT2 functions in ccRCC. Moreover, we discovered that CPT2 induced FAO, which inhibited the generation of reactive oxygen species (ROS) by increasing nicotinamide adenine dinucleotide phosphate (NADPH) production. Additionally, we demonstrated that CPT2 suppresses tumor proliferation, invasion, and migration by inhibiting the ROS/ PPARγ /NF-κB pathway. Gene set enrichment analysis (GSEA) and drug sensitivity analysis showed that high expression of CPT2 in ccRCC was associated with higher sorafenib sensitivity, which was also validated in vitro and in vivo. In summary, our results suggest that CPT2 acts as a tumor suppressor in the development of ccRCC through the ROS/PPARγ/NF-κB pathway. Moreover, CPT2 is a potential therapeutic target for increasing sorafenib sensitivity in ccRCC.
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Affiliation(s)
- Kai Zeng
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China; Department of Urology, the First Affiliated Hospital of Medical College, Shihezi University, Shihezi 832008, Xinjiang, China
| | - Qinyu Li
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Guoda Song
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Bingliang Chen
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Min Luo
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Jianping Miao
- Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China.
| | - Bo Liu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China.
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3
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Bahman A, Abaza MS, Khoushaish S, Al-Attiyah RJ. Therapeutic efficacy of sorafenib and plant-derived phytochemicals in human colorectal cancer cells. BMC Complement Med Ther 2023; 23:210. [PMID: 37365571 DOI: 10.1186/s12906-023-04032-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 06/09/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND The present study aimed to investigate the sequence-dependent anticancer effects of combined treatment with sorafenib (Sora), a Food and Drug Administration-approved multikinase inhibitor drug, and plant-derived phytochemicals (PPCs) on human colorectal cancer (CRC) cell growth, and proteins associated with the control of cell cycle and apoptosis. METHODS The cytotoxic effects of 14 PPCs on CRL1554 fibroblast cells were determined using an MTT assay. Moreover, the cytotoxicity of Sora, PPCs, and a combination of both on CRC cells were also investigated. Cell cycle analysis was performed using flow cytometry, and cell apoptosis was investigated using DNA fragmentation, Annexin V/propidium iodide double staining, and mitochondrial membrane potential analyses. The cell cycle- and apoptosis-associated protein expression levels were analysed using western blotting. RESULTS Based on their low levels of cytotoxicity in CRL1554 cells at ≤ 20%, curcumin, quercetin, kaempferol, and resveratrol were selected for use in subsequent experiments. The combined treatment of sora and PPCs caused levels of CRC cytotoxicity in a dose-, cell type-, and schedule-dependent manner. Moreover, the combined treatment of CRC cells arrested cell growth at the S and G2/M phases, induced apoptotic cell death, caused extensive mitochondrial membrane damage, and altered the expression of the cell cycle and apoptotic proteins. CONCLUSIONS Results of the present study highlighted a difference in the level of sora efficacy in CRC cells when combined with PPCs. Further in vivo and clinical studies using the combined treatment of sora and PPCs are required to determine their potential as a novel therapeutic strategy for CRCs.
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Affiliation(s)
- Abdulmajeed Bahman
- Department of Biological Sciences, Molecular Biology Program, Faculty of Science, Kuwait University, P.O. Box 5969, 13060, Safat, Kuwait
| | - Mohamed-Salah Abaza
- Department of Biological Sciences, Molecular Biology Program, Faculty of Science, Kuwait University, P.O. Box 5969, 13060, Safat, Kuwait.
| | - Sarah Khoushaish
- Department of Biological Sciences, Molecular Biology Program, Faculty of Science, Kuwait University, P.O. Box 5969, 13060, Safat, Kuwait
| | - Rajaa J Al-Attiyah
- Department of Microbiology and Immunology, Faculty of Medicine, Kuwait University, P.O. Box 24923, 13110, Safat, Kuwait
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Ebrahimi N, Afshinpour M, Fakhr SS, Kalkhoran PG, Shadman-Manesh V, Adelian S, Beiranvand S, Rezaei-Tazangi F, Khorram R, Hamblin MR, Aref AR. Cancer stem cells in colorectal cancer: Signaling pathways involved in stemness and therapy resistance. Crit Rev Oncol Hematol 2023; 182:103920. [PMID: 36702423 DOI: 10.1016/j.critrevonc.2023.103920] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 12/07/2022] [Accepted: 01/20/2023] [Indexed: 01/24/2023] Open
Abstract
Colorectal cancer (CRC) is the third cause of cancer death worldwide. Although, in some cases, treatment can increase patient survival and reduce cancer recurrence, in many cases, tumors can develop resistance to therapy leading to recurrence. One of the main reasons for recurrence and therapy resistance is the presence of cancer stem cells (CSCs). CSCs possess a self-renewal ability, and their stemness properties lead to the avoidance of apoptosis, and allow a new clone of cancer cells to emerge. Numerous investigations inidicated the involvment of cellular signaling pathways in embryonic development, and growth, repair, and maintenance of tissue homeostasis, also participate in the generation and maintenance of stemness in colorectal CSCs. This review discusses the role of Wnt, NF-κB, PI3K/AKT/mTOR, Sonic hedgehog, and Notch signaling pathways in colorectal CSCs, and the possible modulating drugs that could be used in treatment for resistant CRC.
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Affiliation(s)
- Nasim Ebrahimi
- Division of Genetics, Department of cell and molecular & microbiology, Faculty of Science and technology, University of Isfahan, Isfahan, Iran
| | - Maral Afshinpour
- Department of chemistry and Biochemistry, South Dakota State University (SDSU), Brookings, SD, USA
| | - Siavash Seifollahy Fakhr
- Department of Biotechnology; Faculty of Applied Ecology, Agricultural Sciences and Biotechnology, Campus Hamar, Norway
| | - Paniz Ghasempour Kalkhoran
- Department of Cellular and Molecular Biology_Microbiology, Faculty of Advanced Science and Technology, Tehran Medical science, Islamic Azad University, Tehran, Iran
| | - Vida Shadman-Manesh
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Samaneh Adelian
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Sheida Beiranvand
- Department of Biotechnology, School of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Fatemeh Rezaei-Tazangi
- Department of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Roya Khorram
- Bone and Joint Diseases Research Center, Department of Orthopedic Surgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa.
| | - Amir Reza Aref
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA; Xsphera Biosciences, Translational Medicine Group, 6 Tide Street, Boston, MA 02210, USA.
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Jomen W, Ohtake T, Akita T, Suto D, Yagi H, Osawa Y, Kohgo Y. Iron chelator deferasirox inhibits NF-κB activity in hepatoma cells and changes sorafenib-induced programmed cell deaths. Biomed Pharmacother 2022; 153:113363. [PMID: 35834989 DOI: 10.1016/j.biopha.2022.113363] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/18/2022] [Accepted: 06/28/2022] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE The improvements of antitumor effects and tolerability on chemotherapy for advanced hepatocellular carcinoma (HCC) are warranted. Here, we aimed to elucidate the mechanism of the combining effect of tyrosine kinase inhibitor sorafenib (SOR) and iron chelator deferasirox (DFX) in human hepatoma cell lines, HepG2 and Huh-7. METHODS The types of programmed cell deaths (PCDs); necrosis/necroptosis and apoptosis, were evaluated by flow cytometry and fluorescent microscopy. Human cleaved caspase-3 was analyzed by ELISA for apoptosis. GSH assay was used for ferroptosis. PCDs inhibition was analyzed by adding apoptosis inhibitor Z-VAD-FMK, ferroptosis inhibitor ferrostatin-1, necroptosis inhibitor necrosulfonamide, respectively. The expression of NF-κB was quantified by Western blotting. RESULTS In SOR monotherapy, cleaved caspase-3 expression was increased in all concentrations, confirming the result that SOR induces apoptosis. In SOR monotherapy, GSH/GSSG ratio was decreased on concentration-dependent, showing that SOR also induced ferroptosis. Lipid Peroxidation caused by SOR, corresponding to ferroptosis, was suppressed by DFX. In fluorescence microscopy of SOR monotherapy, apoptosis was observed at a constant rate on all concentrations, while necroptosis and ferroptosis were increased on high concentration. In sorafenib and deferasirox combinations, sub G1 phase increased additively. In SOR and DFX combinations, the cytotoxic effects were not suppressed by ferrostatin-1, but suppressed by Z-VAD-FMK and necrosulfonamide. In each monotherapy, and SOR + DFX combinations, the expression of NF-κB in nucleus was suppressed. Regarding PCD by SOR and DFX combination, ferroptosis was suppressed and both apoptosis and necroptosis became dominant. CONCLUSION Suppression of NF-κB is possibly involved in the effect of DFX. As a result, SOR and DFX combination showed additive antitumor effects for HCC through the mechanism of programed cell deaths and NF-kB signal modification.
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Affiliation(s)
- Wataru Jomen
- Department of Clinical Medical Sciences, International University of Health and Welfare Graduate School of Medicine, Tokyo, Japan
| | - Takaaki Ohtake
- Department of Gastroenterology, International University of Health and Welfare School of Medicine, Narita, Japan; Department of Gastroenterology and Hepatology, International University of Health and Welfare Hospital, Nasushiobara, Japan.
| | - Takayuki Akita
- Department of Clinical Medical Sciences, International University of Health and Welfare Graduate School of Medicine, Tokyo, Japan; Department of Gastroenterology and Hepatology, International University of Health and Welfare Hospital, Nasushiobara, Japan
| | - Daisuke Suto
- Department of Gastroenterology, International University of Health and Welfare School of Medicine, Narita, Japan; Department of Gastroenterology and Hepatology, International University of Health and Welfare Hospital, Nasushiobara, Japan
| | - Hideki Yagi
- Department of Pharmaceutical, Faculty of Pharmacy, International University of Health and Welfare, Otawara, Japan
| | - Yosuke Osawa
- Department of Clinical Medical Sciences, International University of Health and Welfare Graduate School of Medicine, Tokyo, Japan; Department of Gastroenterology, International University of Health and Welfare School of Medicine, Narita, Japan; Department of Gastroenterology and Hepatology, International University of Health and Welfare Hospital, Nasushiobara, Japan
| | - Yutaka Kohgo
- Department of Clinical Medical Sciences, International University of Health and Welfare Graduate School of Medicine, Tokyo, Japan; Department of Gastroenterology, International University of Health and Welfare School of Medicine, Narita, Japan; Department of Gastroenterology and Hepatology, International University of Health and Welfare Hospital, Nasushiobara, Japan
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Wang W, Chen Y, Kuo C, Tsai J, Hsu F, Chung J, Pan P. DNA
damage and
NF‐κB
inactivation implicate glycyrrhizic acid‐induced
G
1
phase arrest in hepatocellular carcinoma cells. J Food Biochem 2022; 46:e14128. [DOI: 10.1111/jfbc.14128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 02/11/2022] [Accepted: 02/18/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Wei‐Shu Wang
- Department of Medicine National Yang Ming Chiao Tung University Hospital Yilan Taiwan
- School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
| | - Yu‐Shan Chen
- Department of Radiation Oncology Show Chwan Memorial Hospital Changhua Taiwan
| | - Chen‐Yu Kuo
- Division of Gastroenterology, Department of Medicine National Yang Ming Chiao Tung University Hospital Yilan Taiwan
| | - Jai‐Jen Tsai
- School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
- Division of Gastroenterology, Department of Medicine National Yang Ming Chiao Tung University Hospital Yilan Taiwan
- Department of Nursing Cardinal Tien Junior College of Healthcare and Management New Taipei City Taiwan
| | - Fei‐Ting Hsu
- Department of Biological Science and Technology China Medical University Taichung Taiwan
| | - Jing‐Gung Chung
- Department of Biological Science and Technology China Medical University Taichung Taiwan
- Department of Medical Laboratory and Biotechnology Asia University Taichung Taiwan
| | - Po‐Jung Pan
- School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
- Department of Physical Medicine and Rehabilitation National Yang Ming Chiao Tung University Hospital Yilan Taiwan
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Galeaz C, Totis C, Bisio A. Radiation Resistance: A Matter of Transcription Factors. Front Oncol 2021; 11:662840. [PMID: 34141616 PMCID: PMC8204019 DOI: 10.3389/fonc.2021.662840] [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: 02/01/2021] [Accepted: 05/12/2021] [Indexed: 12/14/2022] Open
Abstract
Currently, radiation therapy is one of the standard therapies for cancer treatment. Since the first applications, the field of radiotherapy has constantly improved, both in imaging technologies and from a dose-painting point of view. Despite this, the mechanisms of resistance are still a great problem to overcome. Therefore, a more detailed understanding of these molecular mechanisms will allow researchers to develop new therapeutic strategies to eradicate cancer effectively. This review focuses on different transcription factors activated in response to radiotherapy and, unfortunately, involved in cancer cells’ survival. In particular, ionizing radiations trigger the activation of the immune modulators STAT3 and NF-κB, which contribute to the development of radiation resistance through the up-regulation of anti-apoptotic genes, the promotion of proliferation, the alteration of the cell cycle, and the induction of genes responsible for the Epithelial to Mesenchymal Transition (EMT). Moreover, the ROS-dependent damaging effects of radiation therapy are hampered by the induction of antioxidant enzymes by NF-κB, NRF2, and HIF-1. This protective process results in a reduced effectiveness of the treatment, whose mechanism of action relies mainly on the generation of free oxygen radicals. Furthermore, the previously mentioned transcription factors are also involved in the maintenance of stemness in Cancer Stem Cells (CSCs), a subset of tumor cells that are intrinsically resistant to anti-cancer therapies. Therefore, combining standard treatments with new therapeutic strategies targeted against these transcription factors may be a promising opportunity to avoid resistance and thus tumor relapse.
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Affiliation(s)
- Chiara Galeaz
- Laboratory of Radiobiology, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Cristina Totis
- Laboratory of Radiobiology, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Alessandra Bisio
- Laboratory of Radiobiology, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
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Effects of orlistat combined with enzalutamide and castration through inhibition of fatty acid synthase in a PC3 tumor-bearing mouse model. Biosci Rep 2021; 41:228631. [PMID: 33974005 PMCID: PMC8164108 DOI: 10.1042/bsr20204203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 05/01/2021] [Accepted: 05/11/2021] [Indexed: 01/18/2023] Open
Abstract
Androgen deprivation therapy (ADT) is one of the typical treatments used for patients with prostate cancer (PCa). ADT, however, may fail when PCa develops castration-resistance. Fatty acid synthase (FASN), a critical enzyme involved in fatty acid synthesis, is found to be up-regulated in PCa. Since enzalutamide and ADT are frequently used for the treatment of PCa, the present study aimed to unravel the underlying mechanism of combination of orlistat, an FASN inhibitor, and enzalutamide using PC3 cell line; and orlistat and castration in PC3 tumor-bearing animal model. Cytotoxicity was determined by AlamarBlue assay. Drug effects on the cell cycle and protein expressions were assayed by the flow cytometry and Western blot. Electromobility shift assay was used to evaluate the NF-κB activity. The tumor growth delay, expressions of the signaling-related proteins, and histopathology post treatments of orlistat and castration were evaluated in PC3 tumor-bearing mouse model. The results showed that orlistat arrested the PC3 cells at the G1 phase of the cell cycle and enhanced the cytotoxic effects of enzalutamide synergistically. Pretreatment with orlistat combined with castration inhibited the tumor growth significantly compared with those of castration and orlistat treatments alone in PC3 tumor-bearing mice. Combination treatment reduced both FASN and NF-κB activities and their downstream effector proteins. The present study demonstrated the synergistic effects of orlistat combined with enzalutamide in vitro and castration in vivo on human PCa.
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Network Pharmacology-Based Study on the Mechanism of Gegen Qinlian Decoction against Colorectal Cancer. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:8897879. [PMID: 33294000 PMCID: PMC7714584 DOI: 10.1155/2020/8897879] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/17/2020] [Accepted: 10/24/2020] [Indexed: 12/11/2022]
Abstract
Purpose Gegen Qinlian decoction (GQD) has been used to treat gastrointestinal diseases, such as diarrhea and ulcerative colitis (UC). A recent study demonstrated that GQD enhanced the effect of PD-1 blockade in colorectal cancer (CRC). This study used network pharmacology analysis to investigate the mechanisms of GQD as a potential therapeutic approach against CRC. Materials and Methods Bioactive chemical ingredients (BCIs) of GQD were collected from the Traditional Chinese Medicine Systems Pharmacology (TCMSP) database. CRC-specific genes were obtained using the gene expression profile GSE110224 from the Gene Expression Omnibus (GEO) database. Target genes related to BCIs of GQD were then screened out. The GQD-CRC ingredient-target pharmacology network was constructed and visualized using Cytoscape software. A protein-protein interaction (PPI) network was subsequently constructed and analyzed with BisoGenet and CytoNCA plug-in in Cytoscape. Gene Ontology (GO) functional and the Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway enrichment analysis for target genes were then performed using the R package of clusterProfiler. Results One hundred and eighteen BCIs were determined to be effective on CRC, including quercetin, wogonin, and baicalein. Twenty corresponding target genes were screened out including PTGS2, CCNB1, and SPP1. Among these genes, CCNB1 and SPP1 were identified as crucial to the PPI network. A total of 212 GO terms and 6 KEGG pathways were enriched for target genes. Functional analysis indicated that these targets were closely related to pathophysiological processes and pathways such as biosynthetic and metabolic processes of prostaglandins and prostanoids, cytokine and chemokine activities, and the IL-17, TNF, Toll-like receptor, and nuclear factor-kappa B (NF-κB) signaling pathways. Conclusion The study elucidated the “multiingredient, multitarget, and multipathway” mechanisms of GQD against CRC from a systemic perspective, indicating GQD to be a candidate therapy for CRC treatment.
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Liu YC, Tsai JJ, Weng YS, Hsu FT. Regorafenib suppresses epidermal growth factor receptor signaling-modulated progression of colorectal cancer. Biomed Pharmacother 2020; 128:110319. [PMID: 32502841 DOI: 10.1016/j.biopha.2020.110319] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/16/2020] [Accepted: 05/23/2020] [Indexed: 12/20/2022] Open
Abstract
Active epidermal growth factor receptors (EGFR) signaling mediates the progression of colorectal cancer (CRC) through activation of downstream kinases and transcription factors. The increased expression of EGFR was associated with worse prognosis in patients with metastatic CRC (mCRC). Regorafenib, the oral kinase inhibitor approved for the treatment of mCRC, has been shown to reduce activation of downstream kinases of EGFR signal pathway in hepatocellular carcinoma and osteosarcoma. However, whether EGFR inactivation was participates in regorafenib-inhibited progression of CRC still remaining ambiguous. The major purpose of present study was to verify effect of regorafenib on EGFR signaling-mediated progression of CRC. Here, we investigated the effect of regorafenib or erlotinib (EGFR inhibitor) on tumor cell growth, invasion ability, apoptotic, and EGFR signal transduction in CRC in vitro and in vivo. Our results indicated regorafenib reduced EGF-induced EGFR and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) activity. Both regorafenib and erlotinib significantly reduced cell invasion ability, activation of protein kinase C-δ (PKCδ), protein kinase B (AKT), extracellular signal-regulated kinases (ERK), and NF-κB. Regorafenib can trigger the inhibition of tumor cell growth and the induction of apoptosis through extrinsic/intrinsic apoptosis pathways. In addition, the expression of NF-κB-mediated proteins involved in tumor progression was also suppressed by regorafenib treatment. Taken together, regorafenib acts as a inhibitor of EGFR signaling that attenuated the activation of EGFR and EGFR related downstream signaling cascades in CRC. Our results suggested that the suppression of EGFR signaling was associated with regorafenib-inhibited progression of CRC.
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Affiliation(s)
- Yu-Chang Liu
- Department of Radiation Oncology, Chang Bing Show Chwan Memorial Hospital, Changhua, 505, Taiwan, ROC; Department of Radiation Oncology, Show Chwan Memorial Hospital, Changhua, 505, Taiwan, ROC; Department of Medical Imaging and Radiological Sciences, Central Taiwan University of Science and Technology, Taichung, 406, Taiwan, ROC
| | - Jai-Jen Tsai
- Division of Gastroenterology, Department of Medicine, National Yang - Ming University Hospital, Yilan, 260, Taiwan, ROC; Department of Medicine, National Yang-Ming University, Taipei, 112, Taiwan, ROC
| | - Yueh-Shan Weng
- Department of Biological Science and Technology, China Medical University, Taichung, 404, Taiwan, ROC
| | - Fei-Ting Hsu
- Department of Biological Science and Technology, China Medical University, Taichung, 404, Taiwan, ROC.
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Su CM, Weng YS, Kuan LY, Chen JH, Hsu FT. Suppression of PKCδ/NF-κB Signaling and Apoptosis Induction through Extrinsic/Intrinsic Pathways Are Associated Magnolol-Inhibited Tumor Progression in Colorectal Cancer In Vitro and In Vivo. Int J Mol Sci 2020; 21:ijms21103527. [PMID: 32429376 PMCID: PMC7278962 DOI: 10.3390/ijms21103527] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/11/2020] [Accepted: 05/12/2020] [Indexed: 12/12/2022] Open
Abstract
Magnolol is one of the hydroxylated biphenyl compounds from the root and stem bark of Magnolia officinalis, which shown to possess anti-colorectal cancer (CRC) effects. However, the regulatory mechanism of magnolol on apoptosis and NF-κB signaling in human CRC has not been elucidated. Thus, we investigated the inhibitory mechanism of magnolol on human and mouse CRC (HT-29 and CT-26) in vitro and in vivo. Results from reporter gene assay indicated that both magnolol and rottlerin (PKCδ inhibitor) reduced the endogenous NF-κB activity. In addition, indolactam V (PKCδ activator)-induced NF-κB signaling was significantly suppressed with both magnolol and rottlerin treatment. Results from Western blotting also indicated that phosphorylation of PKCδ and NF-κB -related proteins involved in tumor progression were effectively decreased by magnolol treatment. The invasion capacity of CRC cells was also attenuated by both magnolol and rottlerin. Furthermore, magnolol triggered Fas/Fas-L mediated extrinsic apoptosis and mitochondria mediated intrinsic apoptosis were validated by flow cytometry. Most importantly, tumor growth in both HT-29 and CT-26 bearing mice were suppressed by magnolol, but no pathologic change was detected in mice kidney, spleen, and liver. As confirmed by immunohistochemistry (IHC) staining from tumor tissue, PKCδ/NF-κB signaling and downstream proteins expression were decreased, while apoptotic proteins expression was increased in the magnolol treated group. According to these results, we suggest that the induction of apoptosis through extrinsic/intrinsic pathways and the blockage of PKCδ/NF-κB signaling are associated with the magnolol-inhibited progression of CRC.
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Affiliation(s)
- Chun-Min Su
- Department of Surgery, Show Chwan Memorial Hospital, Changhua 500, Taiwan;
| | - Yueh-Shan Weng
- Department of Biological Science and Technology, China Medical University, Taichung 404, Taiwan;
| | - Lin-Yen Kuan
- Department of Emergency Medicine, Cathay General Hospital, Taipei 106, Taiwan; (L.-Y.K.); (J.-H.C.)
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Jiann-Hwa Chen
- Department of Emergency Medicine, Cathay General Hospital, Taipei 106, Taiwan; (L.-Y.K.); (J.-H.C.)
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Fei-Ting Hsu
- Department of Biological Science and Technology, China Medical University, Taichung 404, Taiwan;
- Correspondence: or ; Tel.: +886-4-22053366 (ext. 2532)
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Soleimani A, Rahmani F, Ferns GA, Ryzhikov M, Avan A, Hassanian SM. Role of the NF-κB signaling pathway in the pathogenesis of colorectal cancer. Gene 2019; 726:144132. [PMID: 31669643 DOI: 10.1016/j.gene.2019.144132] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 09/12/2019] [Accepted: 09/16/2019] [Indexed: 12/12/2022]
Abstract
The NF-κB signaling pathway is a key regulator of CRC cell proliferation, apoptosis, angiogenesis, inflammation, metastasis, and drug resistance. Over-activation of the NF-κB pathway is a feature of colorectal cancer (CRC). While new combinatorial treatments have improved overall patient outcome; quality of life, cost of care, and patient survival rate have seen little improvement. Suppression of the NF-κB signaling pathway using biological or specific pharmacological inhibitors is a potential therapeutic approach in the treatment of colon cancer. This review summarizes the regulatory role of NF-κB signaling pathway in the pathogenesis of CRC for a better understanding and hence a better management of the disease.
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Affiliation(s)
- Atena Soleimani
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzad Rahmani
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, UK
| | - Mikhail Ryzhikov
- Division of Pulmonary and Critical Care Medicine, Washington University, School of Medicine, Saint Louis, MO, USA
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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13
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MHTP, a synthetic tetratetrahydroisoquinoline alkaloid, attenuates lipopolysaccharide-induced acute lung injury via p38MAPK/p65NF-κB signaling pathway-TLR4 dependent. Inflamm Res 2019; 68:1061-1070. [DOI: 10.1007/s00011-019-01291-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 07/24/2019] [Accepted: 10/02/2019] [Indexed: 01/07/2023] Open
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14
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Zhu M, Zhang W, Ma J, Dai Y, Zhang Q, Liu Q, Yang B, Li G. MicroRNA-139-5p regulates chronic inflammation by suppressing nuclear factor-κB activity to inhibit cell proliferation and invasion in colorectal cancer. Exp Ther Med 2019; 18:4049-4057. [PMID: 31616518 PMCID: PMC6781828 DOI: 10.3892/etm.2019.8032] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 08/22/2019] [Indexed: 12/12/2022] Open
Abstract
The inflammatory microenvironment, which mediates the initiation and malignant development of tumors, has been reported to be associated with microRNA (miRNA) dysregulation. In the present study, the expression of miR-139-5p was analyzed in colorectal cancer (CRC) cell lines SW480, HT29, HCT-8, LoVo and HCT116, aiming to investigate the function and mechanism of miR-139-5p in the regulation of the malignant phenotypes of CRC. miR-139-5p expression was found to be considerably downregulated in CRC cell lines compared with the human normal colon mucosal epithelial cell line NCM460. Subsequently, it was demonstrated that overexpression of miR-139-5p in colon cancer cell lines significantly suppressed the cell proliferation in vitro and in vivo. In addition, overexpression of miR-139-5p further inhibited the invasion ability of colon cancer cells in vitro, concomitantly with downregulation of key invasion-associated proteins, including matrix metalloproteinase 9 (MMP9) and MMP7. Furthermore, it was demonstrated that overexpression of miR-139-5p decreased the expression levels of inflammatory cytokines, including interleukin-1β (IL-1β), IL-6 and tumor necrosis factor-α (TNF-α), by suppressing nuclear factor (NF)-κB activity. Therefore, these findings collectively indicated that miR-139-5p regulated chronic inflammation by suppressing NF-κB activity in order to inhibit cell proliferation and invasion in CRC, thereby indicating a novel molecular mechanism in CRC therapy.
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Affiliation(s)
- Mingming Zhu
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Wen Zhang
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Jun Ma
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Youguo Dai
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Qi Zhang
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Qin Liu
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Burong Yang
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
| | - Gang Li
- Department of Abdominal Tumor Surgery, Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650118, P.R. China
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15
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Fatty Acid Inhibition Sensitizes Androgen-Dependent and -Independent Prostate Cancer to Radiotherapy via FASN/NF-κB Pathway. Sci Rep 2019; 9:13284. [PMID: 31527721 PMCID: PMC6746859 DOI: 10.1038/s41598-019-49486-2] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 08/19/2019] [Indexed: 12/18/2022] Open
Abstract
Elevated fatty acid synthase (FASN) has been reported in both androgen-dependent and -independent prostate cancers. Conventional treatment for prostate cancer is radiotherapy (RT); however, the following radiation-induced radioresistance often causes treatment failure. Upstream proteins of FASN such as Akt and NF-κB are found increased in the radioresistant prostate cancer cells. Nevertheless, whether inhibition of FASN could improve RT outcomes and reverse radiosensitivity of prostate cancer cells is still unknown. Here, we hypothesised that orlistat, a FASN inhibitor, could improve RT outcomes in prostate cancer. Orlistat treatment significantly reduced the S phase population in both androgen-dependent and -independent prostate cancer cells. Combination of orlistat and RT significantly decreased NF-κB activity and related downstream proteins in both prostate cancer cells. Combination effect of orlistat and RT was further investigated in both LNCaP and PC3 tumour-bearing mice. Combination treatment showed the best tumour inhibition compared to that of orlistat alone or RT alone. These results suggest that prostate cancer treated by conventional RT could be improved by orlistat via inhibition of FASN.
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16
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Lee US, Kim EH. Combined effect of alpha particles and cigarette smoke on human lung epithelial cells in vitro. Int J Radiat Biol 2019; 95:1276-1286. [PMID: 31145654 DOI: 10.1080/09553002.2019.1625491] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 04/26/2019] [Accepted: 05/21/2019] [Indexed: 01/18/2023]
Abstract
Purpose: The combined toxicity of alpha particles and cigarette smoke to the critical cells in the lungs was investigated to assess the risk of smoking workers who handle naturally occurring radioactive materials. Materials and methods: The toxicity of alpha particles and cigarette smoke extract (CSE) was evaluated in terms of DNA double-strand break (DSB) induction and clonogenic cell death of human lung epithelial cells in vitro. The cells were exposed to alpha particles at doses of up to 0.25 Gy for gamma-H2AX assay and from 1.25 Gy to 5 Gy for clonogenic assay. CSE exposure of the cells was facilitated in the culture medium at CSE concentrations ranging from 1% to 12%. Additional experiments were performed using mouse endothelial cells for comparison. Results: The increases in the levels of DNA DSBs were linearly dependent on radiation dose and CSE concentration. The CSE-treated cells also responded with a linearly increasing number of DNA DSBs to the radiation dose. Both human lung epithelial cells and mouse endothelial cells showed exponential decreases in clonogenic surviving fraction as the dose from alpha particle exposure increased. Both cells responded with the clonogenic surviving fractions decreasing in a linear proportion to the CSE concentration in the culture medium. Conclusion: In our experimental in vitro setup, CSE treatment and alpha particle exposure affected the cells in an additive manner either for DNA DSB production or for clonogenic cell death induction.
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Affiliation(s)
- Ui-Seob Lee
- Radiation Bioengineering Laboratory, Department of Nuclear Engineering, Seoul National University , Seoul , Republic of Korea
| | - Eun-Hee Kim
- Radiation Bioengineering Laboratory, Department of Nuclear Engineering, Seoul National University , Seoul , Republic of Korea
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17
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Liao L, Yan WJ, Tian CM, Li MY, Tian YQ, Zeng GQ. Knockdown of Annexin A1 Enhances Radioresistance and Inhibits Apoptosis in Nasopharyngeal Carcinoma. Technol Cancer Res Treat 2019; 17:1533034617750309. [PMID: 29357787 PMCID: PMC5784564 DOI: 10.1177/1533034617750309] [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] [Indexed: 02/03/2023] Open
Abstract
Radiotherapy is the primary treatment for nasopharyngeal carcinoma while radioresistance can hinder efficient treatment. To explore the role of annexin A1 and its potential mechanisms in radioresistance of nasopharyngeal carcinoma, human nasopharyngeal carcinoma cell line CNE2-sh annexin A1 (knockdown of annexin A1) and the control cell line CNE2-pLKO.1 were constituted and CNE2-sh annexin A1 xenograft mouse model was generated. The effect of annexin A1 knockdown on the growth of xenograft tumor after irradiation and radiation-induced DNA damage and repair was analyzed. The results of immunohistochemistry assays and Western blotting showed that the level of annexin A1 was significantly downregulated in the radioresistant nasopharyngeal carcinoma tissues or cell line compared to the radiosensitive nasopharyngeal carcinoma tissues or cell line. Knockdown of annexin A1 significantly promoted CNE2-sh annexin A1 xenograft tumor growth compared to the control groups after irradiation. Moreover, the terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling assays revealed that knockdown of annexin A1 significantly inhibited apoptosis in vivo compared to the control groups. We assessed the intracellular reactive oxygen species levels and the extent of radiation-induced DNA damage and repair using reactive oxygen species assay, comet assays, and immunohistochemistry assay. The results showed that knockdown of annexin A1 remarkedly reduced the intracellular reactive oxygen species levels, level of DNA double-strand breaks, and the phosphorylation level of H2AX and increased the accumulation of DNA-dependent protein kinase in nasopharyngeal carcinoma cells after irradiation. The findings suggest that knockdown of annexin A1 inhibits DNA damage via decreasing the generation of intracellular reactive oxygen species and the formation of γ-H2AX and promotes DNA repair via increasing DNA-dependent protein kinase activity and therefore improves the radioresistance in nasopharyngeal carcinoma cells. Together, our findings suggest that knockdown of annexin A1 promotes radioresistance in nasopharyngeal carcinoma and provides insights into therapeutic targets for nasopharyngeal carcinoma radiotherapy.
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Affiliation(s)
- Li Liao
- 1 School of Public Health, Central South University, Changsha, Hunan, China.,2 School of Nursing, University of South China, Hengyang, Hunan, China
| | - Wen-Jing Yan
- 2 School of Nursing, University of South China, Hengyang, Hunan, China
| | - Chun-Mei Tian
- 2 School of Nursing, University of South China, Hengyang, Hunan, China
| | - Mao-Yu Li
- 3 Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yong-Quan Tian
- 1 School of Public Health, Central South University, Changsha, Hunan, China
| | - Gu-Qing Zeng
- 2 School of Nursing, University of South China, Hengyang, Hunan, China
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18
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Beizaei K, Gleißner L, Hoffer K, Bußmann L, Vu AT, Steinmeister L, Laban S, Möckelmann N, Münscher A, Petersen C, Rothkamm K, Kriegs M. Receptor tyrosine kinase MET as potential target of multi-kinase inhibitor and radiosensitizer sorafenib in HNSCC. Head Neck 2018; 41:208-215. [PMID: 30552828 DOI: 10.1002/hed.25440] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 06/13/2018] [Accepted: 07/18/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The multi-kinase inhibitor sorafenib displays antitumoral effects in head and neck squamous cell carcinoma (HNSCC); however, the targeted kinases are unknown. Here we aimed to identify those kinases to determine the mechanism of sorafenib-mediated effects and establish candidate biomarkers for patient stratification. METHODS The effects of sorafenib and MET inhibitors crizotinib and SU11274 were analyzed using a slide-based antibody array, Western blotting, proliferation, and survival assays. X-rays were used for irradiations. RESULTS Sorafenib inhibited auto-phosphorylation of epidermal growth factor receptor and MET, which has not been described previously. MET expression in HNSCC cells was not always associated with activity/phosphorylation. Furthermore, sorafenib-dependent cell kill and radiosensitization was not associated with MET level. Although MET inhibitors blocked proliferation, they caused only mild cytotoxicity and no radiosensitization. CONCLUSION We identified MET as a new potential target of sorafenib. However, MET inhibition is not the cause for sorafenib-mediated cytotoxicity or radiosensitization.
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Affiliation(s)
- Kaweh Beizaei
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Lisa Gleißner
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Konstantin Hoffer
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Lara Bußmann
- Department of Otorhinolaryngology and Head and Neck Surgery, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Anh Thu Vu
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Leonhard Steinmeister
- Department for Diagnostic and Interventional Radiology and Nuclear Medicine, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Simon Laban
- Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Ulm, Ulm, Germany
| | - Nikolaus Möckelmann
- Department of Otorhinolaryngology and Head and Neck Surgery, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Adrian Münscher
- Department of Otorhinolaryngology and Head and Neck Surgery, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Cordula Petersen
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Kai Rothkamm
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
| | - Malte Kriegs
- Laboratory of Radiobiology and Experimental Radiation Oncology, Hubertus Wald Tumorzentrum-University Cancer Center Hamburg, Hamburg-Eppendorf, Germany
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19
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Sugano H, Shirai Y, Horiuchi T, Saito N, Shimada Y, Eto K, Uwagawa T, Ohashi T, Yanaga K. Nafamostat Mesilate Enhances the Radiosensitivity and Reduces the Radiation-Induced Invasive Ability of Colorectal Cancer Cells. Cancers (Basel) 2018; 10:E386. [PMID: 30336548 PMCID: PMC6210678 DOI: 10.3390/cancers10100386] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 10/12/2018] [Accepted: 10/15/2018] [Indexed: 12/18/2022] Open
Abstract
Neoadjuvant chemoradiotherapy followed by radical surgery is the standard treatment for patients with locally advanced low rectal cancer. However, several studies have reported that ionizing radiation (IR) activates nuclear factor kappa B (NF-κB) that causes radioresistance and induces matrix metalloproteinase (MMP)-2/-9, which promote tumor migration and invasion. Nafamostat mesilate (FUT175), a synthetic serine protease inhibitor, enhances the chemosensitivity to cytotoxic agents in digestive system cancer cells by inhibiting NF-κB activation. Therefore, we evaluated the combined effect of IR and FUT175 on cell proliferation, migration and invasion of colorectal cancer (CRC) cells. IR-induced upregulation of intranuclear NF-κB, FUT175 counteracted this effect. Moreover, the combination treatment suppressed cell viability and induced apoptosis. Similar effects were also observed in xenograft tumors. In addition, FUT175 prevented the migration and invasion of cancer cells caused by IR by downregulating the enzymatic activity of MMP-2/-9. In conclusion, FUT175 enhances the anti-tumor effect of radiotherapy through downregulation of NF-κB and reduces IR-induced tumor invasiveness by directly inhibiting MMP-2/-9 in CRC cells. Therefore, the use of FUT175 during radiotherapy might improve the efficacy of radiotherapy in patients with CRC.
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Affiliation(s)
- Hiroshi Sugano
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
- Division of Gene Therapy, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Yoshihiro Shirai
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
- Division of Gene Therapy, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Takashi Horiuchi
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
- Division of Gene Therapy, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Nobuhiro Saito
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
- Division of Gene Therapy, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Yohta Shimada
- Division of Gene Therapy, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Ken Eto
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Tadashi Uwagawa
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
- Division of Medical Oncology and Hematology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Toya Ohashi
- Division of Gene Therapy, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
| | - Katsuhiko Yanaga
- Department of Surgery, The Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, Japan.
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20
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Chen JCH, Chuang HY, Liao YJ, Hsu FT, Chen YC, Wang WH, Hwang JJ. Enhanced cytotoxicity of human hepatocellular carcinoma cells following pretreatment with sorafenib combined with trichostatin A. Oncol Lett 2018; 17:638-645. [PMID: 30655811 DOI: 10.3892/ol.2018.9582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 04/27/2018] [Indexed: 12/14/2022] Open
Abstract
Trichostatin A (TSA), a hydroxamate histone deacetylase inhibitor, is a compound that has been identified to induce anticancer activity. The aim of the present study was to investigate whether sorafenib, in combination with TSA, was able to augment the anticancer effects of TSA, identifying an optimum treatment time plan and the potential underlying molecular mechanisms involved in human hepatocellular carcinoma (HCC) in vitro. Huh7/nuclear factor-κB (NF-κB)-luc2 cells were treated with TSA or sorafenib alone, or sorafenib, prior to, in combination with or following TSA treatment. Huh7/NF-κB-luc2 cell viability following TSA treatment was determined using an MTT assay, and NF-κB activity was analyzed. In addition, the expression levels of NF-κB-regulated downstream effector proteins were assayed by western blotting. Inhibitors of mitogen-activated protein kinases (MAPKs), protein kinase B (AKT) and mutant inhibitor of NF-κBα (IκBαM) vectors were used to confirm the function of the NF-κB signal transduction pathways in response to the effects of sorafenib combined with TSA against HCC. The results of the present study indicated that pre-treatment with sorafenib followed by TSA inhibited the cell viability compared with other treatment modalities, and prevented TSA-induced extracellular-signal-regulated kinase (ERK)/NF-κB activity and expression of downstream effector proteins. It was further demonstrated that IκBαM vector sensitized Huh7/NF-κB-luc2 cells to TSA, thus it was possible to reverse TSA-induced NF-κB activity using PD98059, a MAPK/ERK kinase inhibitor. In conclusion, sorafenib pre-treatment may increase the efficacy of subsequent TSA treatment in HCC. Furthermore, sorafenib pre-treatment is hypothesized to sensitize HCC to TSA via the inhibition of the MEK/ERK/NF-κB signal transduction pathway.
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Affiliation(s)
- John Chun-Hao Chen
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming University, Taipei 112, Taiwan, R.O.C.,Department of Radiation Oncology, Mackay Memorial Hospital, Taipei 251, Taiwan, R.O.C
| | - Hui-Yen Chuang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming University, Taipei 112, Taiwan, R.O.C
| | - Yi-Jen Liao
- School of Medical Laboratory and Biotechnology, Taipei Medical University, Taipei 110, Taiwan, R.O.C
| | - Fei-Ting Hsu
- Department of Medical Imaging, Taipei Medical University Hospital, Taipei 110, Taiwan, R.O.C
| | - Yen-Chung Chen
- Department of Pathology, National Yang Ming University Hospital, Yilan 260, Taiwan, R.O.C
| | - Wei-Hsun Wang
- Department of Orthopedic Surgery, Changhua Christian Hospital, Changhua 500, Taiwan, R.O.C
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming University, Taipei 112, Taiwan, R.O.C
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Li J, Zhou Y, Liu Y, Dai B, Zhang YH, Zhang PF, Shi XL. Sorafenib inhibits caspase-1 expression through suppressing TLR4/stat3/SUMO1 pathway in hepatocellular carcinoma. Cancer Biol Ther 2018; 19:1057-1064. [PMID: 30277836 PMCID: PMC6301813 DOI: 10.1080/15384047.2018.1480280] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Sorafenib has been demonstrated to be a beneficial treatment for advanced hepatocellular carcinoma (HCC). Emerging evidence indicates that caspase-1 activation plays a crucial role in HCC progression. However, the relationship between caspase-1 and sorafenib has rarely been reported. In this study, we showed that caspase-1 was essential for lipopolysaccharide (LPS)-induced epithelial-mesenchymal transition (EMT). Moreover, sorafenib treatment could inhibit LPS-stimulated caspase-1 overexpression through restricting the nuclear transport of p65, which contributed to inactivation of NF-κB. Co-immunoprecipitation (Co-IP) experiments and immunoblot analysis indicated that sorafenib treatment decreased the SUMOylation of p65 via inhibiting TLR4/stat3/SUMO1 signaling cascades. In conclusion, the results of this study suggest that sorafenib inhibits caspase-1 expression through suppressing the nuclear translocation of p65 and provide new insights into the mechanisms of sorafenib treatment in HCC.
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Affiliation(s)
- Jun Li
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
| | - Yuan Zhou
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
| | - Yang Liu
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
| | - Bo Dai
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
| | - Yu-Hen Zhang
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
| | - Peng-Fei Zhang
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
| | - Xiao-Lei Shi
- a Department of Hepatobiliary Surgery , Affiliated Drum Tower Hospital of Nanjing University Medical School , Nanjing , China
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22
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Sorafenib inhibits cell growth but fails to enhance radio- and chemosensitivity of glioblastoma cell lines. Oncotarget 2018; 7:61988-61995. [PMID: 27542273 PMCID: PMC5308705 DOI: 10.18632/oncotarget.11328] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 07/26/2016] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Glioblastomas (GBM) are the most common malignant type of primary brain tumor. GBM are intensively treated with surgery and combined radiochemotherapy using X-irradiation and temozolomide (TMZ) but they are still associated with an extremely poor prognosis, urging for the development of new treatment strategies. To improve the outcome of GBM patients, the small molecule multi-kinase inhibitor sorafenib has moved into focus of recent research. Sorafenib has already been shown to enhance the radio- and radiochemosensitivity of other tumor entities. Whether sorafenib is also able to sensitize GBM cells to radio- and chemotherapy is still an unsolved question which we have addressed in this study. METHODS The effect of sorafenib on signaling, proliferation, radiosensitivity, chemosensitivity and radiochemosensitivity was analyzed in six glioblastoma cell lines using Western blot, proliferation- and colony formation assays. RESULTS In half of the cell lines sorafenib clearly inhibited MAPK signaling. We also observed a strong blockage of proliferation, which was, however, not associated with MAPK pathway inhibition. Sorafenib had only minor effects on cell survival when administered alone. Most importantly, sorafenib treatment failed to enhance GBM cell killing by irradiation, TMZ or combined treatment, and instead rather caused resistance in some cell lines. CONCLUSION Our data suggest that sorafenib treatment may not improve the efficacy of radiochemotherapy in GBM.
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23
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Chen JCH, Chuang HY, Hsu FT, Chen YC, Chien YC, Hwang JJ. Sorafenib pretreatment enhances radiotherapy through targeting MEK/ERK/NF-κB pathway in human hepatocellular carcinoma-bearing mouse model. Oncotarget 2018; 7:85450-85463. [PMID: 27863427 PMCID: PMC5356748 DOI: 10.18632/oncotarget.13398] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Accepted: 10/28/2016] [Indexed: 12/11/2022] Open
Abstract
Patients with unresectable hepatocellular carcinoma (HCC) usually have poor prognosis because current monotherapy including surgery, chemotherapy and radiotherapy (RT) are not effective. Combination therapy may be effective to overcome this clinical problem. Here, we proposed the combination of sorafenib and RT, which have been applied in HCC treatment, could improve the treatment outcome of HCC. Our previous study showed that sorafenib could suppress the expression of NF-κB which is related to the chemo- and radio-resistance. Nevertheless, the expression of NF-κB is oscillatory and is affected by the treatments. Thus, understanding the oscillation of NF-κB expression would be beneficial for determining the optimal treatment schedule in combination therapy. Here established Huh7/NF-κB-tk-luc2/rfp cell line, in which NF-κB indicates a NF-κB promoter, was utilized to noninvasively monitor the expression of NF-κB overtime in vitro and in vivo. The results show that pretreatment of sorafenib with RT suppresses the expressions of NF-κB and its downstream proteins induced by radiation through downregulation of phosphorylated extracellular signal-regulated kinase (pERK) most significantly compared with other treatment schedules. The results were further verified with Western blotting, EMSA, and NF-κB molecular imaging. These findings suggest that pretreatment of sorafenib with RT may be the ideal treatment schedule for the treatment of HCC.
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Affiliation(s)
- John Chun-Hao Chen
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan.,Department of Radiation Oncology, Mackay Memorial Hospital, New Taipei City, Taiwan
| | - Hui-Yen Chuang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Fei-Ting Hsu
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Yi-Chen Chen
- Department of Radiology, National Taiwan University Hospital, Taipei, Taiwan
| | - Yi-Chun Chien
- Department of Medical Imaging and Radiological Sciences, I-Shou University, Jiaosu Village, Kaohsiung, Taiwan
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan.,Biophotonics and Molecular Imaging Research Center, National Yang-Ming University, Taipei, Taiwan
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24
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Jeong YK, Kim MS, Lee JY, Kim EH, Kim W, Ha H, Jeong JH. Sorafenib Acts Synergistically in Combination with Radiotherapy without Causing Intestinal Damage in Colorectal Cancer. TUMORI JOURNAL 2018; 99:176-82. [DOI: 10.1177/030089161309900210] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Aims and background Colorectal cancer is one of the commonest cancers. Chemoradiotherapy gives better results than radiotherapy or chemotherapy in colorectal cancer. To enhance radiosensitivity of tumor cells for chemoradiotherapy, targeted therapy drugs that act as radiosensitizers can be used. In the present study, we provide a scientific rationale for the clinical application of sorafenib as a radiosensitizer in colorectal cancer, without causing significant adverse effects on normal intestinal tissue. Methods Three human colorectal adenocarcinoma cell lines (HCT116, HT-29, and SW480) were treated with sorafenib alone, or radiation followed by sorafenib. In vitro tests were performed using colony forming assays, cell cycle analysis, and comet assays. In addition, the effects of sorafenib and radiation therapy on the inhibition HT-29 tumor growth and survival of intestinal jejunum crypts were examined in vivo. Results Sorafenib increased the radiosensitivity of tumor cells in human colon adenocarcinoma cell lines (HCT116, HT-29, and SW480), as well as in HT-29 xenograft animal models. Sorafenib, in combination with ionizing radiation, induced the accumulation of tumor cells in the G2-M phase and delayed the repair of DNA damage caused by ionizing radiation. The combination of sorafenib and ionizing radiation did not enhance the apoptosis of intestinal crypt cells, compared with the use of radiation alone. Conclusions We provide a scientific rationale for the use of sorafenib in combination with radiotherapy in colorectal cancer.
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Affiliation(s)
- Youn Kyoung Jeong
- Research Center for Radiotherapy, Korea Institute of Radiological and Medical Sciences
- Division of Life and Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University
| | - Mi-Sook Kim
- Department of Radiation Oncology, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
| | - Ji Young Lee
- Research Center for Radiotherapy, Korea Institute of Radiological and Medical Sciences
| | - Eun Ho Kim
- Division of Heavy Ion Clinical Research, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
| | - Wonwoo Kim
- Research Center for Radiotherapy, Korea Institute of Radiological and Medical Sciences
| | - Hunjoo Ha
- Division of Life and Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University
| | - Jae-Hoon Jeong
- Research Center for Radiotherapy, Korea Institute of Radiological and Medical Sciences
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25
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Phase I trial of radiation therapy and sorafenib in unresectable liver metastases. Radiother Oncol 2017; 123:234-239. [PMID: 28202227 DOI: 10.1016/j.radonc.2017.01.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 01/25/2017] [Accepted: 01/25/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND PURPOSE To determine maximum tolerated dose (MTD) and toxicities of sorafenib combined with stereotactic radiotherapy (SBRT) or whole liver radiotherapy (WLRT) in patients with liver metastases. MATERIAL AND METHODS Eligible patients had unresectable liver metastases. Sorafenib dose was escalated in 2 strata: I - SBRT: effective liver volume irradiated (Veff)<80% (30-60Gy in 6 fractions); II - WLRT: Veff>80% (21.6Gy in 6 fractions). Four weeks of sorafenib, with radiotherapy during weeks 2-3, was delivered at 3 escalating dose levels (200-400mg twice daily). Dose limiting toxicity was defined as any grade 3+ liver toxicity, or grade 4+ treatment-related toxicity. RESULTS Thirty-three patients were treated: 18 in stratum I (median dose 42Gy), 15 in stratum II. The MTD was not reached. Grade 3+ toxicity was seen in 33% of patients, at a median of 10days. Two deaths from non-classic liver toxicity occurred post WLRT in stratum II. The median overall survival was 22.3 and 5.7months for strata I and II respectively. CONCLUSIONS Sorafenib and 21.6Gy in 6 fraction WLRT resulted in unacceptably high rates of liver toxicity. Although sorafenib combined with SBRT was tolerable, the observed efficacy does not merit further clinical evaluation.
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26
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Gillissen B, Richter A, Richter A, Preissner R, Schulze-Osthoff K, Essmann F, Daniel PT. Bax/Bak-independent mitochondrial depolarization and reactive oxygen species induction by sorafenib overcome resistance to apoptosis in renal cell carcinoma. J Biol Chem 2017; 292:6478-6492. [PMID: 28154184 DOI: 10.1074/jbc.m116.754184] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 01/26/2017] [Indexed: 12/23/2022] Open
Abstract
Renal cell carcinoma (RCC) is polyresistant to chemo- and radiotherapy and biologicals, including TNF-related apoptosis-inducing ligand (TRAIL). Sorafenib, a multikinase inhibitor approved for the treatment of RCC, has been shown to sensitize cancer cells to TRAIL-induced apoptosis, in particular by down-regulation of the Bak-inhibitory Bcl-2 family protein Mcl-1. Here we demonstrate that sorafenib overcomes TRAIL resistance in RCC by a mechanism that does not rely on Mcl-1 down-regulation. Instead, sorafenib induces rapid dissipation of the mitochondrial membrane potential (ΔΨm) that is accompanied by the accumulation of reactive oxygen species (ROS). Loss of ΔΨm and ROS production induced by sorafenib are independent of caspase activities and do not depend on the presence of the proapoptotic Bcl-2 family proteins Bax or Bak, indicating that both events are functionally upstream of the mitochondrial apoptosis signaling cascade. More intriguingly, we find that it is sorafenib-induced ROS accumulation that enables TRAIL to activate caspase-8 in RCC. This leads to apoptosis that involves activation of an amplification loop via the mitochondrial apoptosis pathway. Thus, our mechanistic data indicate that sorafenib bypasses central resistance mechanisms through a direct induction of ΔΨm breakdown and ROS production. Activation of this pathway might represent a useful strategy to overcome the cell-inherent resistance to cancer therapeutics, including TRAIL, in multiresistant cancers such as RCC.
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Affiliation(s)
- Bernhard Gillissen
- From the Department of Hematology, Oncology, and Tumor Immunology, University Medical Center Charité, Campus Berlin-Buch, Humboldt University, Berlin, Germany.,the German Cancer Consortium and German Cancer Research Center, Im Neuenheimer Feld, 69120 Heidelberg, Germany
| | - Anja Richter
- From the Department of Hematology, Oncology, and Tumor Immunology, University Medical Center Charité, Campus Berlin-Buch, Humboldt University, Berlin, Germany.,the German Cancer Consortium and German Cancer Research Center, Im Neuenheimer Feld, 69120 Heidelberg, Germany
| | - Antje Richter
- From the Department of Hematology, Oncology, and Tumor Immunology, University Medical Center Charité, Campus Berlin-Buch, Humboldt University, Berlin, Germany
| | - Robert Preissner
- the Institute of Physiology and Experimental Clinical Research Center, University Medical Center Charité, 13125 Berlin, Germany
| | - Klaus Schulze-Osthoff
- the German Cancer Consortium and German Cancer Research Center, Im Neuenheimer Feld, 69120 Heidelberg, Germany.,the Interfaculty Institute for Biochemistry, University of Tübingen, Hoppe-Seyler-Strasse 4, 72076 Tübingen, Germany, and
| | - Frank Essmann
- the German Cancer Consortium and German Cancer Research Center, Im Neuenheimer Feld, 69120 Heidelberg, Germany.,the Interfaculty Institute for Biochemistry, University of Tübingen, Hoppe-Seyler-Strasse 4, 72076 Tübingen, Germany, and
| | - Peter T Daniel
- From the Department of Hematology, Oncology, and Tumor Immunology, University Medical Center Charité, Campus Berlin-Buch, Humboldt University, Berlin, Germany, .,the German Cancer Consortium and German Cancer Research Center, Im Neuenheimer Feld, 69120 Heidelberg, Germany.,Clinical and Molecular Oncology, Max Delbrück Center for Molecular Medicine, 13125 Berlin-Buch, Germany
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27
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Hsu FT, Chang B, Chen JCH, Chiang IT, Liu YC, Kwang WK, Hwang JJ. Synergistic Effect of Sorafenib and Radiation on Human Oral Carcinoma in vivo. Sci Rep 2015; 5:15391. [PMID: 26487364 PMCID: PMC4613834 DOI: 10.1038/srep15391] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 09/15/2015] [Indexed: 12/26/2022] Open
Abstract
Oral squamous cell carcinoma often causes bone invasion resulting in poor prognosis and affects the quality of life for patients. Herein, we combined radiation with sorafenib, to evaluate the combination effect on tumor progression and bone erosion in an in situ human OSCC-bearing mouse model. Treatment procedure were arranged as following groups: (a) normal (no tumor); (b) control (with tumor); (c) sorafenib (10 mg/kg/day); (d) radiation (single dose of 6 Gy); (e) pretreatment (sorafenib treatment for 3 days prior to radiation), and (f) concurrent treatment (sorafenib and radiation on the same day). The inhibition of tumor growth and expression level of p65 of NF-κB in tumor tissues were the most significant in the pretreatment group. EMSA and Western blot showed that DNA/NF-κB activity and the expressions of NF-κB-associated proteins were down-regulated. Notably, little to no damage in mandibles and zygomas of mice treated with combination of sorafenib and radiation was found by micro-CT imaging. In conclusion, sorafenib combined with radiation suppresses radiation-induced NF-κB activity and its downstream proteins, which contribute to radioresistance and tumorigenesis. Additionally, bone destruction is also diminished, suggesting that combination treatment could be a potential strategy against human OSCC.
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Affiliation(s)
- Fei-Ting Hsu
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, No. 155, Sec. 2, Li-Nong St., Bei-tou, Taipei 112, Taiwan
| | - Betty Chang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, No. 155, Sec. 2, Li-Nong St., Bei-tou, Taipei 112, Taiwan
| | - John Chun-Hao Chen
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, No. 155, Sec. 2, Li-Nong St., Bei-tou, Taipei 112, Taiwan.,Department of Radiation Oncology, Mackay Memorial Hospital, No. 45, Minsheng Rd., Tamsui District, New Taipei City 251, Taiwan
| | - I-Tsang Chiang
- Department of Radiation Oncology, National Yang-Ming University Hospital, I-Lan 260, Taiwan
| | - Yu-Chang Liu
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, No. 155, Sec. 2, Li-Nong St., Bei-tou, Taipei 112, Taiwan.,Department of Radiation Oncology, National Yang-Ming University Hospital, I-Lan 260, Taiwan
| | - Wei-Kang Kwang
- Department of Anatomical Pathology, Cheng-Hsin General Hospital, Taipei 112, Taiwan
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, No. 155, Sec. 2, Li-Nong St., Bei-tou, Taipei 112, Taiwan.,Biophotonics and Molecular Imaging Research Center, National Yang-Ming University, Taipei, Taiwan
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28
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Curcumin Sensitizes Hepatocellular Carcinoma Cells to Radiation via Suppression of Radiation-Induced NF-κB Activity. BIOMED RESEARCH INTERNATIONAL 2015; 2015:363671. [PMID: 26539482 PMCID: PMC4619792 DOI: 10.1155/2015/363671] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/11/2015] [Indexed: 01/30/2023]
Abstract
The effects and possible underlying mechanism of curcumin combined with radiation in human hepatocellular carcinoma (HCC) cells in vitro were evaluated. The effects of curcumin, radiation, and combination of both on cell viability, apoptosis, NF-κB activation, and expressions of NF-κB downstream effector proteins were investigated with 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), NF-κB reporter gene, mitochondrial membrane potential (MMP), electrophoretic mobility shift (EMSA), and Western blot assays in Huh7-NF-κB-luc2, Hep3B, and HepG2 cells. Effect of I kappa B alpha mutant (IκBαM) vector, a specific inhibitor of NF-κB activation, on radiation-induced loss of MMP was also evaluated. Results show that curcumin not only significantly enhances radiation-induced cytotoxicity and depletion of MMP but inhibits radiation-induced NF-κB activity and expressions of NF-κB downstream proteins in HCC cells. IκBαM vector also shows similar effects. In conclusion, we suggest that curcumin augments anticancer effects of radiation via the suppression of NF-κB activation.
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29
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Shi DB, Li XX, Zheng HT, Li DW, Cai GX, Peng JJ, Gu WL, Guan ZQ, Xu Y, Cai SJ. Icariin-mediated inhibition of NF-κB activity enhances the in vitro and in vivo antitumour effect of 5-fluorouracil in colorectal cancer. Cell Biochem Biophys 2015; 69:523-30. [PMID: 24435883 DOI: 10.1007/s12013-014-9827-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Colorectal cancer (CRC) is an aggressive malignancy that has a poor prognosis. 5-Fluorouracil (5-FU) is a first line chemotherapeutic medication used in the treatment of gallbladder cancer; however, the efficacy is below satisfactory. Icariin is a natural compound that is conventionally reported to have activity against a variety of cancers. This study was carried out to investigate the anti-cancer effect of icariin in CRC cells and to determine whether the compound can enhance the antitumour activity of 5-FU. Cell proliferation and apoptosis were measured using an MTT assay and flow cytometry, respectively. The activity of transcription factor NF-κB was determined by EMSA method. The expression of apoptosis- and proliferation-related proteins was determined by western blotting. The in vivo antitumour effect of combination treatment with icariin and 5-FU on CRC was also assessed using a murine model of CRC. Icariin sensitized the CRC cells to 5-FU both in vitro and in vivo. The antitumour activity of icariin and its potentiating effect on the antitumour activity of 5-FU implicated the suppression of NF-κB activity and consequent down-regulation of the gene products regulated by NF-κB. Our results showed that icariin, suppressed tumour growth and enhanced the antitumour activity of 5-FU in CRC by inhibiting NF-κB activity. Therefore, we suggest that combination of icariin with 5-FU might offer a therapeutic benefit to the patients with CRC; however, further studies are required to ascertain this proposition.
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Affiliation(s)
- De-Bing Shi
- Department of Colorectal Surgery, Cancer Hospital, Fudan University, Shanghai, 200032, China
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30
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Zhang Y, Wei Y, Zhu Z, Gong W, Liu X, Hou Q, Sun Y, Chai J, Zou L, Zhou T. Icariin enhances radiosensitivity of colorectal cancer cells by suppressing NF-κB activity. Cell Biochem Biophys 2014; 69:303-10. [PMID: 24590261 DOI: 10.1007/s12013-013-9799-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Radiation therapy is an integral part of the current therapeutic protocols in colorectal cancer. However, only a small proportion of the patients achieved complete pathological response because of the treatment-induced resistance to radiation. Previous studies have shown that radioresistance is associated with NF-κB activation and that suppression of NF-κB could potentiate the response of colorectal cancer cells to radiotherapy. Icariin, a natural flavonoid, has been shown to suppress NF-κB activity. The present study was carried out to investigate whether icariin could act as a radiosensitizer in colorectal cancer cells and murine model of the colorectal cancer. We also sought to understand the mechanisms underlying the icariin-mediated radiosensitization. Our results showed that icariin enhanced the radiation-mediated anti-proliferative effect both in vitro and in vivo. Further, icariin exerted the anti-proliferative and/or pro-apoptotic effect possibly, by: (1) inducing the cell arrest in G2/M phases of the cell cycle, or by (2) downregulating NF-κB and the anti-apoptotic gene products monitored by this transcription factor. Icariin could also potentiate the efficacy of radiotherapy in the murine model of colorectal cancer. Taken together, these results suggest that the use of icariin may provide with a new approach for sensitizing the radiotherapy in colorectal cancer.
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Affiliation(s)
- Yi Zhang
- Department of Gastrointestinal Surgery, Shandong Cancer Hospital, Jinan, 250117, Shandong, China
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Chuang HY, Chang YF, Liu RS, Hwang JJ. Serial low doses of sorafenib enhance therapeutic efficacy of adoptive T cell therapy in a murine model by improving tumor microenvironment. PLoS One 2014; 9:e109992. [PMID: 25333973 PMCID: PMC4198194 DOI: 10.1371/journal.pone.0109992] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 09/09/2014] [Indexed: 01/05/2023] Open
Abstract
Requirements of large numbers of transferred T cells and various immunosuppressive factors and cells in the tumor microenvironment limit the applications of adoptive T cells therapy (ACT) in clinic. Accumulating evidences show that chemotherapeutic drugs could act as immune supportive instead of immunosuppressive agents when proper dosage is used, and combined with immunotherapy often results in better treatment outcomes than monotherapy. Controversial immunomodulation effects of sorafenib, a multi-kinases inhibitor, at high and low doses have been reported in several types of cancer. However, what is the range of the low-dose sorafenib will influence the host immunity and responses of ACT is still ambiguous. Here we used a well-established E.G7/OT-1 murine model to understand the effects of serial low doses of sorafenib on both tumor microenvironment and transferred CD8+ T cells and the underlying mechanisms. Sorafenib lowered the expressions of immunosuppressive factors, and enhanced functions and migrations of transferred CD8+ T cells through inhibition of STAT3 and other immunosuppressive factors. CD8+ T cells were transduced with granzyme B promoter for driving imaging reporters to visualize the activation and distribution of transferred CD8+ T cells prior to adoptive transfer. Better activations of CD8+ T cells and tumor inhibitions were found in the combinational group compared with CD8+ T cells or sorafenib alone groups. Not only immunosuppressive factors but myeloid derived suppressive cells (MDSCs) and regulatory T cells (Tregs) were decreased in sorafenib-treated group, indicating that augmentation of tumor inhibition and function of CD8+ T cells by serial low doses of sorafenib were via reversing the immunosuppressive microenvironment. These results revealed that the tumor inhibitions of sorafenib not only through eradicating tumor cells but modifying tumor microenvironment, which helps outcomes of ACT significantly.
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Affiliation(s)
- Hui-Yen Chuang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Ya-Fang Chang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Ren-Shyan Liu
- National PET/Cyclotron Center and Department of Nuclear Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
- * E-mail:
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Chhatrala R, Thanavala Y, Iyer R. Targeted therapy in gastrointestinal malignancies. J Carcinog 2014; 13:4. [PMID: 24737952 PMCID: PMC3986534 DOI: 10.4103/1477-3163.127639] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2013] [Accepted: 12/15/2013] [Indexed: 12/13/2022] Open
Abstract
Increased understanding of cancer pathogenesis has identified several pathways that serve as potential targets for novel targeted agents in development. The selection of targeted cancer therapy based on biomarkers has instigated a new era of personalized medicine and changed the way we practice oncology. Many targeted agents are approved for treatment of gastrointestinal malignancies most targeting tumor angiogenesis, and many more are in different phases of development. Here we briefly summarize nine different targeted agents that are approved currently in the U.S. and several other agents currently being studied in various gastrointestinal cancers.
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Affiliation(s)
- Ravi Chhatrala
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, Virginia Commonwealth University, Richmond, VA, USA
| | - Yasmin Thanavala
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Renuka Iyer
- Department of Medicine, Division of Medical Oncology, Roswell Park Cancer Institute, Buffalo, NY, USA
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Chiang IT, Liu YC, Hsu FT, Chien YC, Kao CHK, Lin WJ, Chung JG, Hwang JJ. Curcumin synergistically enhances the radiosensitivity of human oral squamous cell carcinoma via suppression of radiation-induced NF-κB activity. Oncol Rep 2014; 31:1729-37. [PMID: 24503718 DOI: 10.3892/or.2014.3009] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Accepted: 11/11/2013] [Indexed: 12/15/2022] Open
Abstract
The anticancer effect of curcumin has been widely reported. However, whether curcumin can enhance the radiosensitivity of human oral squamous cell carcinoma (OSCC) remains to be elucidated. The aim of the present study was to evaluate the efficacy of curcumin combined with radiation against OSCC. SAS cells were transfected with the luciferase gene (luc) and named SAS/luc. NF-κB/DNA binding activity, the surviving fraction and NF-κB-regulated effector protein expression were determined by electrophoretic mobility shift assay, clonogenic survival assay and western blotting, respectively. The therapeutic efficacy was evaluated in SAS/luc tumor-bearing mice by caliper measurement and bioluminescence imaging. Curcumin enhanced SAS/luc radiosensitivity through the inhibition of radiation-induced NF-κB activity and expression of effector proteins both in vitro and in vivo. With 4 Gy or greater radiation doses, synergistic effects of curcumin were observed. The combination group (curcumin plus radiation) had significantly better tumor control compared with that of curcumin or radiation alone. No significant body weight change of mice was found throughout the entire study. In conclusion, curcumin is a radiosensitizer against OSCC with negligible toxicity.
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Affiliation(s)
- I-Tsang Chiang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan, R.O.C
| | - Yu-Chang Liu
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan, R.O.C
| | - Fei-Ting Hsu
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan, R.O.C
| | - Yi-Chun Chien
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan, R.O.C
| | - Chih-Hao K Kao
- Department of Radiopharmaceutical Production, Hualien Tzu Chi Hospital, Hualien, Taiwan, R.O.C
| | - Wuu-Jyh Lin
- Division of Radioisotope, Institute of Nuclear Energy Research, Taoyuan, Taiwan, R.O.C
| | - Jing-Gung Chung
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan, R.O.C
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan, R.O.C
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Chang YJ, Hsu WH, Chang CH, Lan KL, Ting G, Lee TW. Combined therapeutic efficacy of 188Re-liposomes and sorafenib in an experimental colorectal cancer liver metastasis model by intrasplenic injection of C26- luc murine colon cancer cells. Mol Clin Oncol 2014; 2:380-384. [PMID: 24772304 DOI: 10.3892/mco.2014.246] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 10/15/2013] [Indexed: 12/19/2022] Open
Abstract
Rhenium-188 (188Re) displays abundant intermediate energy β emission and possesses a physical half-life of 16.9 h. Sorafenib is an orally available multikinase inhibitor that targets Raf kinases and vascular endothelial growth factor receptors (VEGFRs). Sorafenib has demonstrated preclinical and clinical activity against several types of tumors, such as renal cell and colorectal carcinoma. In this study, we investigated the efficacy of radiotherapeutics of 188Re-liposomes combined with sorafenib in a C26-luc metastatic colorectal liver tumour mouse model. Liver metastases were established by intrasplenic injection of C26-luc murine colon cancer cells. Based on the results of the toxicity assessment, an administration dose of 80% the maximum tolerated dose was selected. 188Re-liposomes were administered on day 1, when metastases of several hundred micrometers in diameter were observed. In the combination therapy group, 10 mg/kg sorafenib (co-developed and co-marketed by Bayer and Onyx Pharmaceuticals as Nexavar) was administered every other day for 1 week and the survival of mice was assessed. The tumor growth was more significantly inhibited in the 188Re-liposome plus sorafenib group compared with the 188Re-liposome alone, sorafenib alone and untreated normal saline groups (P=0.0000). Furthermore, 188Re-liposomes combined with sorafenib achieved higher survival rates compared with the 188Re-liposome alone, sorafenib alone and untreated normal saline groups (P=0.0000). These results support the use of combined radio-chemotherapy with 188Re-liposomes plus sorafenib as a viable treatment option in the adjuvant setting for liver metastases of colorectal cancer.
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Affiliation(s)
- Ya-Jen Chang
- Institute of Nuclear Energy Research, Lungtan, Taoyuan
| | - Wei-Hsin Hsu
- Institute of Nuclear Energy Research, Lungtan, Taoyuan
| | | | - Keng-Li Lan
- Cancer Center, Taipei Veterans General Hospital
| | - Gann Ting
- National Health Research Institutes, Taipei, Taiwan, R.O.C
| | - Te-Wei Lee
- Institute of Nuclear Energy Research, Lungtan, Taoyuan
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Liu YC, Chiang IT, Hsu FT, Hwang JJ. Using NF-κB as a molecular target for theranostics in radiation oncology research. Expert Rev Mol Diagn 2014; 12:139-46. [DOI: 10.1586/erm.12.2] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Sherman JH, Kirzner J, Siu A, Amos S, Hussaini IM. Sorafenib tosylate as a radiosensitizer in malignant astrocytoma. J Clin Neurosci 2013; 21:131-6. [PMID: 24139873 DOI: 10.1016/j.jocn.2013.04.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 04/19/2013] [Accepted: 04/22/2013] [Indexed: 11/26/2022]
Abstract
Progress in research on the molecular aspects of glioblastoma has yet to provide a medical therapy that significantly improves prognosis. Glioblastoma invariably progress through current treatment regimens with radiotherapy as a key component. Activation of several signaling pathways is thought to be associated with this resistance to radiotherapy. Ras activity is exceptionally high in glioblastoma and may regulate sensitivity to radiotherapy. Raf-1, a downstream effector of Ras, demonstrates a high amount of activity in glioblastoma. Therefore, Raf-1 inhibition should be considered as a mechanism to increase the effectiveness of radiotherapy in treatment regimen. In vitro analysis was performed with a novel Raf-1 kinase inhibitor (BAY 54-9085) in culture with the glioblastoma cell line U1242. The cell line was treated in serum-containing media and analyzed for the effect of the BAY 54-9085 alone and BAY 54-9085 combined with radiation on cell death. BAY 54-9085 displayed a cytocidal effect on glioblastoma cells following a 3 day incubation with the drug in serum-containing media. A dose of 2.5 μM displayed moderate cell death which significantly increased with a dose of 5.0 μM. In addition, glioblastoma cells treated with both the BAY 54-9085 and gamma radiation displayed a significant increase in cell death (85.5%) as compared to either BAY 54-9085 (73.1%) or radiation (34.4%) alone. Radiation therapy is a key component of treatment for glioblastoma. A novel Raf-1 inhibitor displayed in vitro evidence of synergistically increasing cell death of glioblastoma cells in combination with radiation.
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Affiliation(s)
- Jonathan H Sherman
- Department of Neurosurgery, The George Washington University, 2150 Pennsylvania Avenue, NW, Suite 7-420, Washington, DC 20037, USA.
| | - Jared Kirzner
- School of Medicine, The George Washington University, Washington, DC, USA
| | - Alan Siu
- Department of Neurosurgery, The George Washington University, 2150 Pennsylvania Avenue, NW, Suite 7-420, Washington, DC 20037, USA
| | - Samson Amos
- Department of Pathology, University of Virginia, Charlottesville, VA, USA
| | - Isa M Hussaini
- Department of Pathology, University of Virginia, Charlottesville, VA, USA
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Laban S, Steinmeister L, Gleißner L, Grob TJ, Grénman R, Petersen C, Gal A, Knecht R, Dikomey E, Kriegs M. Sorafenib sensitizes head and neck squamous cell carcinoma cells to ionizing radiation. Radiother Oncol 2013; 109:286-92. [PMID: 23953412 DOI: 10.1016/j.radonc.2013.07.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 06/13/2013] [Accepted: 07/05/2013] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND PURPOSE There is a great need to improve the outcome of locoregionally advanced squamous cell carcinomas of the head and neck (HNSCC). Standard treatment includes a combination of surgery, radio- and chemotherapy. The addition of molecular targeting agents to conventional treatment may improve outcomes. In this study the Raf inhibitor sorafenib was used to increase the radiosensitivity of HNSCC cell lines. MATERIAL AND METHODS In a panel of six cell lines (A549, FaDu, UTSCC 60A, UTSCC 42A, UTSCC 42B, UTSCC 29) radiosensitivity was measured by colony formation assay and apoptosis and cell cycle analysis were performed by flow cytometry. DNA repair was analyzed by 53BP1 immunohistochemistry. RESULTS Sorafenib added prior to irradiation resulted in an increased cellular radiosensitivity (DEF0.5=1.11-1.84). Radiosensitization was not caused by an enhanced rate of apoptosis or cell cycle effects. In contrast, sorafenib was shown for the first time to block the repair of DNA double-strand breaks (DSB). CONCLUSION Our data suggest that sorafenib may be used to overcome the radioresistance of HNSCC through the inhibition of DSB repair.
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Affiliation(s)
- Simon Laban
- Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Hamburg Eppendorf, Germany; Laboratory of Radiobiology & Experimental Radiooncology, University Medical Center Hamburg Eppendorf, Germany.
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Synergistic antitumour activity of sorafenib in combination with tetrandrine is mediated by reactive oxygen species (ROS)/Akt signaling. Br J Cancer 2013; 109:342-50. [PMID: 23807172 PMCID: PMC3721403 DOI: 10.1038/bjc.2013.334] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 06/02/2013] [Accepted: 06/04/2013] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Sorafenib is a potent inhibitor against Raf kinase and several receptor tyrosine kinases that has been approved for the clinical treatment of advanced renal and liver cancer. Combining sorafenib with other agents has been shown to improve its antitumour efficacy by not only reducing the toxic side effects but also preventing primary and acquired resistance to sorafenib. We have previously observed that tetrandrine exhibits potent antitumour effects in human hepatocellular carcinoma. In this study, we investigated the synergistic antitumour activity of sorafenib in combination with tetrandrine. METHODS This was a two-part investigation that included the in vitro effects of sorafenib in combination with tetrandrine on cancer cells and the in vivo antitumour efficacy of this drug combination on tumour xenografts in nude mice. RESULTS Combined treatment showed a good synergistic antitumour effect yet spared non-tumourigenic cells. The potential molecular mechanism may be mainly that it activated mitochondrial death pathway and induced caspase-dependent apoptosis in the cancer cells. Accumulation of intracellular reactive oxygen species (ROS) and subsequent activation of Akt may also be involved in apoptosis induction. CONCLUSION The antitumour activity of sorafenib plus tetrandrine may be attributed to the induction of the intrinsic apoptosis pathway through ROS/Akt signaling. This finding provides a novel approach that may broaden the clinical application of sorafenib.
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Zeng GQ, Cheng AL, Tang J, Li GQ, Li MX, Qu JQ, Cao C, Liao L, Xiao ZQ. Annexin A1: a new biomarker for predicting nasopharyngeal carcinoma response to radiotherapy. Med Hypotheses 2013; 81:68-70. [PMID: 23660133 DOI: 10.1016/j.mehy.2013.04.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2013] [Revised: 04/10/2013] [Accepted: 04/14/2013] [Indexed: 11/15/2022]
Abstract
Radiotherapy is the primary treatment for nasopharyngeal carcinoma (NPC), but radioresistance remains a serious obstacle to successful treatment in many cases. Therefore, the biomarkers for predicting NPC response to radiotherapy are very important for targeted therapy and individualized radiotherapy of NPC. Accumulating evidences have shown that Annexin A1 was correlated with NPC radioresistance. First, Annexin A1 is a potential tumor suppressor gene, and can regulate tumor cell proliferation and apoptosis, thus abnormal expression of Annexin A1 in NPC affects apoptosis of tumor cells induced by ionizing radiation and radiotherapeutic efficacy. Second, Annexin A1 is one of the proteins that are involved in p53-mediated radioresponse in NPC, and it might be related to NPC radioresistance. Third, the expression level of Annexin A1 is down-regulated in NPC, and is correlated with metastasis, recurrence and poor prognosis of NPC, thus Annexin A1 downregulation may increase NPC radioresistance, leading to poor prognosis. Last but not the least, Annexin A1 is closely related with tumor chemoresistance, whereas radioresistance is similar to chemoresistance in many aspects, thus Annexin A1 may also be involved in NPC radioresistance. Based on the above mentions, we hypothesize that Annexin A1 is closely correlated with NPC radioresistance and is an important new biomarker for predicting NPC response to radiotherapy.
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Affiliation(s)
- Gu-Qing Zeng
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha 410008, China
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40
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NF-κB in colorectal cancer. J Mol Med (Berl) 2013; 91:1029-37. [PMID: 23636511 DOI: 10.1007/s00109-013-1045-x] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 03/28/2013] [Accepted: 04/16/2013] [Indexed: 12/16/2022]
Abstract
Colorectal cancer (CRC) is a leading cause of morbidity and mortality worldwide, responsible for more than half a million deaths annually. CRC is a multistep process that entails the accumulation of genetic/epigenetic aberrations, which lead to the simultaneous failure of protective mechanisms and the activation of tumorigenic pathways. In most cases of CRC a deregulation of the Wnt-signaling pathway is required. The transcription factor nuclear factor κB (NF-κB) has been recognized as a key player in the initiation and propagation of CRC. Under physiological conditions, NF-κB orchestrates the inflammatory process and participates in the modulation of various steps of cell cycle and survival. It is normally kept in an inactive state in the cytoplasm by binding to a group of inhibitory proteins. Upon receipt of a signal, its inhibitor is phosphorylated and proteolytically degraded and NF-κB is actively translocated to the nucleus, where it facilitates target-gene transcription. Recent experimental data reveal the important role of NF-κB in tumor cells as well as in the surrounding "cancerous" and reactive microenvironment. Various tumor cell-derived and contextual cues feed constantly this vicious circuitry sustaining inflammation and promoting proliferation, angiogenesis, invasion and eventually metastasis. Therefore NF-κB along with its upstream and downstream network presents a rational target for therapeutic interventions. Numerous small molecules, inhibitory peptides, antisense RNAs, natural compounds, as well as gene therapy strategies interfere with multiple steps of the NF-κΒ signaling cascade. The design of NF-κΒ-targeted treatment may aid the efforts towards the pursuit of more efficient therapeutic measures devoid of severe systemic side-effects.
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Lee JH, Shim JW, Choi YJ, Heo K, Yang K. The combination of sorafenib and radiation preferentially inhibits breast cancer stem cells by suppressing HIF-1α expression. Oncol Rep 2013; 29:917-24. [PMID: 23314174 PMCID: PMC3597559 DOI: 10.3892/or.2013.2228] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 12/10/2012] [Indexed: 01/27/2023] Open
Abstract
The importance of anticancer stem cell research for breast cancer lies in the possibility of providing new approaches for an improved understanding of anticancer activity and cancer treatment. In this study, we demonstrated that the preclinical therapeutic efficacy of combining the multikinase inhibitor sorafenib with radiation was more effective in hypoxia-exposed breast cancer stem cells. We assessed cell viability and Annexin V to evaluate the combined effect of sorafenib and radiation following exposure to hypoxia. Our results showed that the synergistic cytotoxicity increased tumor cell apoptosis significantly and reduced cell proliferation in MDA-MB-231 and MCF-7 cells under hypoxic conditions compared to sorafenib or radiation alone in vitro. Additionally, the combined treatment induced G2/M cell cycle arrest. Notably, the combination of sorafenib and radiation eliminated CD44+CD24-/low cells preferentially, which highly expressed hypoxia-inducible factor (HIF)-1α and effectively inhibited primary and secondary mammosphere formation in MDA-MB-231 cells. A combined effect on MDA-MB‑231 cells in response to hypoxia was shown by inhibiting angiogenesis and metastasis by suppression of HIF-1α and matrix metalloproteinase-2 (MMP-2). Collectively, these results indicate that the efficacy of sorafenib combined with radiation for treating human breast cancer cells is synergistic and suggest a new therapeutic approach to prevent breast cancer progression by eliminating breast cancer stem cells.
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Affiliation(s)
- Jae Ho Lee
- Research Center, Dongnam Institute of Radiological and Medical Sciences, Busan, Republic of Korea
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Nuclear factor-kappa B inhibition can enhance therapeutic efficacy of 131I on the in vivo management of differentiated thyroid cancer. Life Sci 2012; 91:1236-41. [DOI: 10.1016/j.lfs.2012.09.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 08/08/2012] [Accepted: 09/26/2012] [Indexed: 02/04/2023]
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