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Xiong F, Wang Q, Wu GH, Liu WZ, Wang B, Chen YJ. Direct and indirect effects of IFN-α2b in malignancy treatment: not only an archer but also an arrow. Biomark Res 2022; 10:69. [PMID: 36104718 PMCID: PMC9472737 DOI: 10.1186/s40364-022-00415-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/22/2022] [Indexed: 12/02/2022] Open
Abstract
Interferon-α2b (IFN-α2b) is a highly active cytokine that belongs to the interferon-α (IFN-α) family. IFN-α2b has beneficial antiviral, antitumour, antiparasitic and immunomodulatory activities. Direct and indirect antiproliferative effects of IFN-α2b have been found to occur via multiple pathways, mainly the JAK-STAT pathway, in certain cancers. This article reviews mechanistic studies and clinical trials on IFN-α2b. Potential regulators of the function of IFN-α2b were also reviewed, which could be utilized to relieve the poor response to IFN-α2b. IFN-α2b can function not only by enhancing the systematic immune response but also by directly killing tumour cells. Different parts of JAK-STAT pathway activated by IFN-α2b, such as interferon alpha and beta receptors (IFNARs), Janus kinases (JAKs) and IFN‐stimulated gene factor 3 (ISGF3), might serve as potential target for enhancing the pharmacological action of IFN-α2b. Despite some issues that remain to be solved, based on current evidence, IFN-α2b can inhibit disease progression and improve the survival of patients with certain types of malignant tumours. More efforts should be made to address potential adverse effects and complications.
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2
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Lashgari NA, Roudsari NM, Momtaz S, Sathyapalan T, Abdolghaffari AH, Sahebkar A. The involvement of JAK/STAT signaling pathway in the treatment of Parkinson's disease. J Neuroimmunol 2021; 361:577758. [PMID: 34739911 DOI: 10.1016/j.jneuroim.2021.577758] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 10/13/2021] [Accepted: 10/25/2021] [Indexed: 11/29/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder in which inflammation and oxidative stress play key etiopathological role. The pathology of PD brain is characterized by inclusions of aggregated α-synuclein (α-SYN) in the cytoplasmic region of neurons. Clinical evidence suggests that stimulation of pro-inflammatory cytokines leads to neuroinflammation in the affected brain regions. Upon neuroinflammation, the Janus Kinase/Signal Transducers and Activators of Transcription (JAK/STAT) signaling pathway, and other transcription factors such as nuclear factor κB (NF-κB), NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3), mammalian target of rapamycin (mTOR), and toll-like receptors (TLRs) are upregulated and induce the microglial activation, contributing to PD via dopaminergic neuron autophagy. Aberrant activation or phosphorylation of the components of JAK/STAT signaling pathway has been implicated in increased transcription of the inflammation-associated genes and many neurodegenerative disorders such as PD. Interferon gamma (IFN-γ), and interleukine (IL)-6 are two of the most potent activators of the JAK/STAT pathway, and it was shown to be elevated in PD. Stimulation of microglial cell with aggregated α-SYN results in production of nitric oxide (NO), tumor necrosis factor (TNF)-α, and IL-1β in PD. Dysregulation of the JAK/STAT in PD and its involvement in various inflammatory pathways make it a promising PD therapy approach. So far, a variety of synthetic or natural small-molecule JAK inhibitors (Jakinibs) have been found promising in managing a spectrum of ailments, many of which are in preclinical research or clinical trials. Herein, we provided a perspective on the function of the JAK/STAT signaling pathway in PD progression and gathered data that describe the rationale evidence on the potential application of Jakinibs to improve neuroinflammation in PD.
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Affiliation(s)
- Naser-Aldin Lashgari
- Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Saeideh Momtaz
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Tehran, Iran; Department of Toxicology and Pharmacology, School of Pharmacy, and Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Gastrointestinal Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull, United Kingdom
| | - Amir Hossein Abdolghaffari
- Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Tehran, Iran; Department of Toxicology and Pharmacology, School of Pharmacy, and Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Gastrointestinal Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Australia, Perth, Australia; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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3
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Nalairndran G, Chung I, Abdul Razack AH, Chung FF, Hii L, Lim W, Looi CK, Mai C, Leong C. Inhibition of Janus Kinase 1 synergizes docetaxel sensitivity in prostate cancer cells. J Cell Mol Med 2021; 25:8187-8200. [PMID: 34322995 PMCID: PMC8419172 DOI: 10.1111/jcmm.16684] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 04/21/2021] [Accepted: 05/12/2021] [Indexed: 02/05/2023] Open
Abstract
Prostate cancer (PCa) is the second most common malignancy and is the fifth leading cause of cancer mortality among men globally. Docetaxel-based therapy remains the first-line treatment for metastatic castration-resistant prostate cancer. However, dose-limiting toxicity including neutropenia, myelosuppression and neurotoxicity is the major reason for docetaxel dose reductions and fewer cycles administered, despite a recent study showing a clear survival benefit with increased total number of docetaxel cycles in PCa patients. Although previous studies have attempted to improve the efficacy and reduce docetaxel toxicity through drug combination, no drug has yet demonstrated improved overall survival in clinical trial, highlighting the challenges of improving the activity of docetaxel monotherapy in PCa. Herein, we identified 15 lethality hits for which inhibition could enhance docetaxel sensitivity in PCa cells via a high-throughput kinome-wide loss-of-function screen. Further drug-gene interactions analyses identified Janus kinase 1 (JAK1) as a viable druggable target with existing experimental inhibitors and FDA-approved drugs. We demonstrated that depletion of endogenous JAK1 enhanced docetaxel-induced apoptosis in PCa cells. Furthermore, inhibition of JAK1/2 by baricitinib and ruxolitinib synergizes docetaxel sensitivity in both androgen receptor (AR)-negative DU145 and PC3 cells, but not in the AR-positive LNCaP cells. In contrast, no synergistic effects were observed in cells treated with JAK2-specific inhibitor, fedratinib, suggesting that the synergistic effects are mainly mediated through JAK1 inhibition. In conclusion, the combination therapy with JAK1 inhibitors and docetaxel could be a useful therapeutic strategy in the treatment of prostate cancers.
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Affiliation(s)
- Geetha Nalairndran
- Department of PharmacologyFaculty of MedicineUniversity of MalayaKuala LumpurMalaysia
| | - Ivy Chung
- Department of PharmacologyFaculty of MedicineUniversity of MalayaKuala LumpurMalaysia
- University of Malaya Cancer Research InstituteFaculty of MedicineUniversity of MalayaKuala LumpurMalaysia
| | | | - Felicia Fei‐Lei Chung
- Mechanisms of Carcinogenesis Section (MCA)Epigenetics Group (EGE)International Agency for Research on Cancer World Health OrganizationLyon CEDEX 08France
| | - Ling‐Wei Hii
- Center for Cancer and Stem Cell ResearchInstitute for ResearchDevelopment and Innovation (IRDI)International Medical UniversityKuala LumpurMalaysia
- School of PharmacyInternational Medical UniversityKuala LumpurMalaysia
- School of Postgraduate StudiesInternational Medical UniversityKuala LumpurMalaysia
| | - Wei‐Meng Lim
- Center for Cancer and Stem Cell ResearchInstitute for ResearchDevelopment and Innovation (IRDI)International Medical UniversityKuala LumpurMalaysia
- School of PharmacyInternational Medical UniversityKuala LumpurMalaysia
| | - Chin King Looi
- Center for Cancer and Stem Cell ResearchInstitute for ResearchDevelopment and Innovation (IRDI)International Medical UniversityKuala LumpurMalaysia
- School of Postgraduate StudiesInternational Medical UniversityKuala LumpurMalaysia
| | - Chun‐Wai Mai
- Center for Cancer and Stem Cell ResearchInstitute for ResearchDevelopment and Innovation (IRDI)International Medical UniversityKuala LumpurMalaysia
- State Key Laboratory of Oncogenes and Related GenesRenji‐Med X Clinical Stem Cell Research CenterDepartment of UrologyRen Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Chee‐Onn Leong
- Center for Cancer and Stem Cell ResearchInstitute for ResearchDevelopment and Innovation (IRDI)International Medical UniversityKuala LumpurMalaysia
- School of PharmacyInternational Medical UniversityKuala LumpurMalaysia
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4
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Song M, Yoon G, Choi JS, Kim E, Liu X, Oh HN, Chae JI, Lee MH, Shim JH. Janus kinase 2 inhibition by Licochalcone B suppresses esophageal squamous cell carcinoma growth. Phytother Res 2020; 34:2032-2043. [PMID: 32144852 DOI: 10.1002/ptr.6661] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 02/06/2020] [Accepted: 02/16/2020] [Indexed: 12/13/2022]
Abstract
Esophageal cancer (EC) is one of the leading causes to cancer death in the worldwide and major population of EC is esophageal squamous cell carcinoma (ESCC). Still, ESCC-targeted therapy has not been covered yet. In the present study we have identified that Licochalcone B (Lico B) inhibited the ESCC growth by directly blocking the Janus kinase (JAK) 2 activity and its downstream signaling pathway. Lico B suppressed KYSE450 and KYSE510 ESCC cell growth, arrested cell cycle at G2/M phase and induced apoptosis. Direct target of Lico B was identified by kinase assay and verified with in vitro and ex vivo binding. Computational docking model predicted for Lico B interaction to ATP-binding pocket of JAK2. Furthermore, treatment of JAK2 clinical medicine AZD1480 to ESCC cells showed similar tendency with Lico B. Thus, JAK2 downstream signaling proteins phosphorylation of STAT3 at Y705 and S727 as well as STAT3 target protein Mcl-1 expression was decreased with treatment of Lico B. Our results suggest that Lico B inhibits ESCC cell growth, arrests cell cycle and induces apoptosis, revealing the underlying mechanism involved in JAK2/STAT3 signaling pathways after Lico B treatment. It might provide potential role of Lico B in the treatment of ESCC.
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Affiliation(s)
- Mengqiu Song
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China.,China-US (Henan) Hormel Cancer Institute, Zhengzhou, China
| | - Goo Yoon
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Republic of Korea
| | - Joon-Seok Choi
- College of Pharmacy, Daegu Catholic University, Gyeongsan-si, Republic of Korea
| | - Eunae Kim
- College of Pharmacy, Chosun University, Gwangju, Republic of Korea
| | - Xuejiao Liu
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China.,China-US (Henan) Hormel Cancer Institute, Zhengzhou, China
| | - Ha-Na Oh
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Republic of Korea
| | - Jung-Il Chae
- Department of Dental Pharmacology, School of Dentistry, BK21 Plus, Jeonbuk National University, Jeonju, Republic of Korea
| | - Mee-Hyun Lee
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China.,China-US (Henan) Hormel Cancer Institute, Zhengzhou, China.,College of Korean Medicine, Dongshin University, 85 Geonjae-ro, Naju-si, Jeollanam-do 58245, Republic of Korea
| | - Jung-Hyun Shim
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Republic of Korea
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5
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Sarcar B, Gimbrone NT, Wright G, Remsing Rix LL, Gordian ER, Rix U, Chiappori AA, Reuther GW, Santiago-Cardona PG, Muñoz-Antonia T, Cress WD. Characterization of epidermal growth factor receptor (EGFR) P848L, an unusual EGFR variant present in lung cancer patients, in a murine Ba/F3 model. FEBS Open Bio 2019; 9:1689-1704. [PMID: 31314158 PMCID: PMC6768113 DOI: 10.1002/2211-5463.12702] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 06/22/2019] [Accepted: 07/16/2019] [Indexed: 11/06/2022] Open
Abstract
Lung cancer patients with mutations in epidermal growth factor receptor (EGFR) benefit from treatments targeting tyrosine kinase inhibitors (TKIs). However, both intrinsic and acquired resistance of tumors to TKIs are common, and EGFR variants have been identified that are resistant to multiple TKIs. In the present study, we characterized selected EGFR variants previously observed in lung cancer patients and expressed in a murine bone marrow pro-B Ba/F3 cell model. Among these EGFR variants, we report that an exon 20 deletion/insertion mutation S768insVGH is resistant to erlotinib (a first-generation TKI), but sensitive to osimertinib (a third-generation TKI). We also characterized a rare exon 21 germline variant, EGFR P848L, which transformed Ba/F3 cells and conferred resistance to multiple EGFR-targeting TKIs. Our analysis revealed that P848L (a) does not bind erlotinib; (b) is turned over less rapidly than L858R (a common tumor-derived EGFR mutation); (c) is not autophosphorylated at Tyr 1045 [the major docking site for Cbl proto-oncogene (c-Cbl) binding]; and (d) does not bind c-Cbl. Using viability assays including 300 clinically relevant targeted compounds, we observed that Ba/F3 cells transduced with EGFR P848L, S768insVGH, or L858R have very different drug-sensitivity profiles. In particular, EGFR P848L, but not L858R or S768insVGH, was sensitive to multiple Janus kinase 1/2 inhibitors. In contrast, cells driven by L858R, but not by P848L, were sensitive to multikinase MAPK/extracellular-signal-regulated kinase (ERK) kinase and ERK inhibitors including EGFR-specific TKIs. These observations suggest that continued investigation of rare TKI-resistant EGFR variants is warranted to identify optimal treatments for cancer.
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Affiliation(s)
- Bhaswati Sarcar
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Nicholas T Gimbrone
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Gabriela Wright
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Lily L Remsing Rix
- Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Edna R Gordian
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Uwe Rix
- Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Alberto A Chiappori
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.,Department of Thoracic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Gary W Reuther
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | | | - Teresita Muñoz-Antonia
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - William Douglas Cress
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.,Department of Thoracic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
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6
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Yang X, Tang Z, Zhang P, Zhang L. [Research Advances of JAK/STAT Signaling Pathway in Lung Cancer]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2019; 22:45-51. [PMID: 30674393 PMCID: PMC6348154 DOI: 10.3779/j.issn.1009-3419.2019.01.09] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Janus激酶(Janus kinase, JAK)/信号转导子和转录活化子(signal transducer and activator of transcription, STAT)信号通路是细胞因子信号传导的下游通路,调控细胞的发育、分化、增殖、凋亡等,不仅参与调节正常的生理过程,在肿瘤的发生发展中也起着重要作用,尤其是在血液系统肿瘤中意义重大。近年来,随着对JAK/STAT信号通路研究的深入,人们发现该通路在实体肿瘤的发生发展中也扮演关键角色。本文就近年来JAK/STAT信号通路参与肺癌发生发展、肺癌转移、肺癌耐药机制形成以及靶向该通路的抑制剂在肺癌治疗中的应用现状进行综述。
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Affiliation(s)
- Xin Yang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhe Tang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Peng Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Li Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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7
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Lee CH, Yang JR, Chen CY, Tsai MH, Hung PF, Chen SJ, Chiang SL, Chang H, Lin P. Novel STAT3 Inhibitor LDOC1 Targets Phospho-JAK2 for Degradation by Interacting with LNX1 and Regulates the Aggressiveness of Lung Cancer. Cancers (Basel) 2019; 11:cancers11010063. [PMID: 30634502 PMCID: PMC6356782 DOI: 10.3390/cancers11010063] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 12/28/2018] [Accepted: 01/03/2019] [Indexed: 12/21/2022] Open
Abstract
Meta-analysis revealed that Leucine Zipper Down-Regulated In Cancer 1 (LDOC1) increased methylation more in people with lung tumors than in those who were healthy and never smoked. Quantitative methylation-specific PCR revealed that cigarette smoke condensate (CSC) exposure drives LDOC1 promoter hypermethylation and silence in human bronchial cells. Immunohistochemistry studies showed that LDOC1 downregulation is associated with poor survival of patients with lung cancer. Loss and gain of LDOC1 functions enhanced and attenuated aggressive phenotypes in lung adenocarcinoma A549 and non⁻small cell lung carcinoma H1299 cell lines, respectively. We found that LDOC1 deficiency led to reinforcing a reciprocal loop of IL-6/JAK2/STAT3, through which LDOC1 mediates the cancer progression. LDOC1 knockdown considerably augmented tumorigenesis and the phosphorylation of JAK2 and STAT3 in vivo. Results from immunoprecipitation and immunofluorescent confocal microscopy indicated that LDOC1 negatively regulates JAK2 activity by forming multiple protein complexes with pJAK2 and E3 ubiquitin-protein ligase LNX1, and in turn, LDOC1 targets pJAK2 to cause ubiquitin-dependent proteasomal degradation. LDOC1 deficiency attenuates the interactions between LNX1 and pJAK2, leading to ineffective ubiquitination of pJAK2, which activates STAT3. Overall, our results elucidated a crucial role of LDOC1 in lung cancer and revealed how LDOC1 acts as a bridge between tobacco exposure and the IL-6/JAK2/STAT3 loop in this human malignancy.
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Affiliation(s)
- Chia-Huei Lee
- National Institute of Cancer Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
| | - Ji-Rui Yang
- National Institute of Cancer Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
| | - Chih-Yu Chen
- National Institute of Cancer Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
| | - Ming-Hsien Tsai
- National Institute of Environmental Health Science, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
| | - Pin-Feng Hung
- National Institute of Cancer Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
| | - Shin-Jih Chen
- National Institute of Cancer Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
| | - Shang-Lun Chiang
- Environment-Omics-Disease Research Center, China Medical University Hospital, Taichung 40402, Taiwan.
- Department of Health Risk Management, College of Public Health, China Medical University, Taichung 40402, Taiwan.
| | - Han Chang
- Department of Pathology, China Medical University Hospital, No. 2, Yude Road, North District, Taichung 40447, Taiwan.
| | - Pinpin Lin
- National Institute of Environmental Health Science, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan.
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Abstract
The IL-6/JAK/STAT3 pathway is aberrantly hyperactivated in many types of cancer, and such hyperactivation is generally associated with a poor clinical prognosis. In the tumour microenvironment, IL-6/JAK/STAT3 signalling acts to drive the proliferation, survival, invasiveness, and metastasis of tumour cells, while strongly suppressing the antitumour immune response. Thus, treatments that target the IL-6/JAK/STAT3 pathway in patients with cancer are poised to provide therapeutic benefit by directly inhibiting tumour cell growth and by stimulating antitumour immunity. Agents targeting IL-6, the IL-6 receptor, or JAKs have already received FDA approval for the treatment of inflammatory conditions or myeloproliferative neoplasms and for the management of certain adverse effects of chimeric antigen receptor T cells, and are being further evaluated in patients with haematopoietic malignancies and in those with solid tumours. Novel inhibitors of the IL-6/JAK/STAT3 pathway, including STAT3-selective inhibitors, are currently in development. Herein, we review the role of IL-6/JAK/STAT3 signalling in the tumour microenvironment and the status of preclinical and clinical investigations of agents targeting this pathway. We also discuss the potential of combining IL-6/JAK/STAT3 inhibitors with currently approved therapeutic agents directed against immune-checkpoint inhibitors.
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Affiliation(s)
- Daniel E. Johnson
- Department of Otolaryngology – Head and Neck Surgery, University of California, San Francisco, CA, USA
| | - Rachel A. O’Keefe
- Department of Otolaryngology – Head and Neck Surgery, University of California, San Francisco, CA, USA
| | - Jennifer R. Grandis
- Department of Otolaryngology – Head and Neck Surgery, University of California, San Francisco, CA, USA
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Gudernova I, Balek L, Varecha M, Kucerova JF, Kunova Bosakova M, Fafilek B, Palusova V, Uldrijan S, Trantirek L, Krejci P. Inhibitor repurposing reveals ALK, LTK, FGFR, RET and TRK kinases as the targets of AZD1480. Oncotarget 2017; 8:109319-109331. [PMID: 29312610 PMCID: PMC5752523 DOI: 10.18632/oncotarget.22674] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 10/28/2017] [Indexed: 01/29/2023] Open
Abstract
Many tyrosine kinase inhibitors (TKIs) have failed to reach human use due to insufficient activity in clinical trials. However, the failed TKIs may still benefit patients if their other kinase targets are identified by providing treatment focused on syndromes driven by these kinases. Here, we searched for novel targets of AZD1480, an inhibitor of JAK2 kinase that recently failed phase two cancer clinical trials due to a lack of activity. Twenty seven human receptor tyrosine kinases (RTKs) and 153 of their disease-associated mutants were in-cell profiled for activity in the presence of AZD1480 using a newly developed RTK plasmid library. We demonstrate that AZD1480 inhibits ALK, LTK, FGFR1-3, RET and TRKA-C kinases and uncover a physical basis of this specificity. The RTK activity profiling described here facilitates inhibitor repurposing by enabling rapid and efficient identification of novel TKI targets in cells.
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Affiliation(s)
- Iva Gudernova
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic
| | - Lukas Balek
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic
| | - Miroslav Varecha
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
| | | | | | - Bohumil Fafilek
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
| | - Veronika Palusova
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic
| | - Stjepan Uldrijan
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
| | - Lukas Trantirek
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic
| | - Pavel Krejci
- Department of Biology, Faculty of Medicine, 62500 Brno, Czech Republic.,International Clinical Research Center, St. Anne's University Hospital, 65691 Brno, Czech Republic
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10
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Dual Inhibition of Mnk2 and FLT3 for potential treatment of acute myeloid leukaemia. Eur J Med Chem 2017; 139:762-772. [DOI: 10.1016/j.ejmech.2017.08.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 07/14/2017] [Accepted: 08/02/2017] [Indexed: 12/18/2022]
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11
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De Beule N, De Veirman K, Maes K, De Bruyne E, Menu E, Breckpot K, De Raeve H, Van Rampelbergh R, Van Ginderachter JA, Schots R, Van Valckenborgh E, Vanderkerken K. Tumour-associated macrophage-mediated survival of myeloma cells through STAT3 activation. J Pathol 2017; 241:534-546. [PMID: 27976373 DOI: 10.1002/path.4860] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 10/04/2016] [Accepted: 11/24/2016] [Indexed: 12/26/2022]
Abstract
Overcoming drug resistance is one of the greatest challenges in the treatment of multiple myeloma (MM). The interaction of myeloma cells with the bone marrow (BM) microenvironment is a major factor contributing to drug resistance. Tumour-associated macrophages (TAMs) with different polarization states constitute an important component of this microenvironment. Previous studies have revealed a role of TAMs in MM cell survival and drug resistance; however, the impact of macrophage polarization (anti-tumoural 'M1' versus pro-tumoural 'M2'-like phenotype) in this process has not yet been described. Here, the presence of TAMs was confirmed in BM sections from MM patients, both at diagnosis and relapse, with two M2 markers, CD163 and CD206. By following different TAM subpopulations during disease progression in the syngeneic murine 5T33MM model, we demonstrated a decrease in the number of inflammatory monocytes and an increase in the number of M2-oriented TAMs in BM. Co-culture experiments demonstrated that macrophages provide a survival benefit to myeloma cells that is maintained after treatment with several classes of anti-myeloma agent (melphalan and bortezomib); the greatest effect was observed with M2-polarized macrophages. The pro-survival effect was associated with activation of the STAT3 pathway in 5T33MM cells, less cleavage of caspase-3, and thus less apoptosis. AZD1480, an ATP-competitive JAK2 inhibitor, abrogated the observed TAM-mediated MM cell survival, and partially inhibited resistance to bortezomib. Despite having only a small quantitative impact on myeloid cells in vivo, AZD1480 treatment alone and in combination with bortezomib significantly reduced tumour load. In conclusion, M2 TAMs are present in the MM microenvironment, and contribute to MM cell survival and protection from drug-induced apoptosis. As a result of TAM-induced activation of the STAT3 pathway, 5T33MM cells are sensitized to AZD1480 treatment. Copyright © 2016 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Nathan De Beule
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kim De Veirman
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Ken Maes
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Elke De Bruyne
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eline Menu
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Karine Breckpot
- Laboratory of Molecular and Cellular Technology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Hendrik De Raeve
- Department of Pathology, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | | | - Jo A Van Ginderachter
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium.,Myeloid Cell Immunology Laboratory, VIB Inflammation Research Centre, Ghent, Belgium
| | - Rik Schots
- Department of Clinical Haematology, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - Els Van Valckenborgh
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Laboratory of Haematology and Immunology, Myeloma Centre Brussels, Vrije Universiteit Brussel, Brussels, Belgium
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12
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Harati S, Cooper LAD, Moran JD, Giuste FO, Du Y, Ivanov AA, Johns MA, Khuri FR, Fu H, Moreno CS. MEDICI: Mining Essentiality Data to Identify Critical Interactions for Cancer Drug Target Discovery and Development. PLoS One 2017; 12:e0170339. [PMID: 28118365 PMCID: PMC5261804 DOI: 10.1371/journal.pone.0170339] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 01/03/2017] [Indexed: 12/13/2022] Open
Abstract
Protein-protein interactions (PPIs) mediate the transmission and regulation of oncogenic signals that are essential to cellular proliferation and survival, and thus represent potential targets for anti-cancer therapeutic discovery. Despite their significance, there is no method to experimentally disrupt and interrogate the essentiality of individual endogenous PPIs. The ability to computationally predict or infer PPI essentiality would help prioritize PPIs for drug discovery and help advance understanding of cancer biology. Here we introduce a computational method (MEDICI) to predict PPI essentiality by combining gene knockdown studies with network models of protein interaction pathways in an analytic framework. Our method uses network topology to model how gene silencing can disrupt PPIs, relating the unknown essentialities of individual PPIs to experimentally observed protein essentialities. This model is then deconvolved to recover the unknown essentialities of individual PPIs. We demonstrate the validity of our approach via prediction of sensitivities to compounds based on PPI essentiality and differences in essentiality based on genetic mutations. We further show that lung cancer patients have improved overall survival when specific PPIs are no longer present, suggesting that these PPIs may be potentially new targets for therapeutic development. Software is freely available at https://github.com/cooperlab/MEDICI. Datasets are available at https://ctd2.nci.nih.gov/dataPortal.
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Affiliation(s)
- Sahar Harati
- Department of Biomedical Informatics, Emory University, Atlanta, Georgia, United States of America
- Graduate Program in Biomedical Informatics, Emory University, Atlanta, Georgia, United States of America
| | - Lee A. D. Cooper
- Department of Biomedical Informatics, Emory University, Atlanta, Georgia, United States of America
- Winship Cancer Institute, Emory University, Atlanta, Georgia, United States of America
- Department of Biomedical Engineering, Emory University, Atlanta, Georgia, United States of America
| | - Josue D. Moran
- Graduate Program in Cancer Biology, Emory University, Atlanta, Georgia, United States of America
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Georgia, United States of America
| | - Felipe O. Giuste
- Medical Scientist Training Program, Emory University, Atlanta, Georgia, United States of America
| | - Yuhong Du
- Winship Cancer Institute, Emory University, Atlanta, Georgia, United States of America
- Department of Pharmacology, Emory University, Atlanta, Georgia, United States of America
| | - Andrei A. Ivanov
- Department of Pharmacology, Emory University, Atlanta, Georgia, United States of America
| | - Margaret A. Johns
- Department of Pharmacology, Emory University, Atlanta, Georgia, United States of America
| | - Fadlo R. Khuri
- Winship Cancer Institute, Emory University, Atlanta, Georgia, United States of America
- Department of Hematology & Medical Oncology, Emory University, Atlanta, Georgia, United States of America
| | - Haian Fu
- Winship Cancer Institute, Emory University, Atlanta, Georgia, United States of America
- Department of Pharmacology, Emory University, Atlanta, Georgia, United States of America
| | - Carlos S. Moreno
- Department of Biomedical Informatics, Emory University, Atlanta, Georgia, United States of America
- Winship Cancer Institute, Emory University, Atlanta, Georgia, United States of America
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Georgia, United States of America
- * E-mail:
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13
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Shi SY, Luk CT, Schroer SA, Kim MJ, Dodington DW, Sivasubramaniyam T, Lin L, Cai EP, Lu SY, Wagner KU, Bazinet RP, Woo M. Janus Kinase 2 (JAK2) Dissociates Hepatosteatosis from Hepatocellular Carcinoma in Mice. J Biol Chem 2017; 292:3789-3799. [PMID: 28100771 DOI: 10.1074/jbc.m116.752519] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Revised: 12/29/2016] [Indexed: 12/14/2022] Open
Abstract
Hepatocellular carcinoma is an end-stage complication of non-alcoholic fatty liver disease (NAFLD). Inflammation plays a critical role in the progression of non-alcoholic fatty liver disease and the development of hepatocellular carcinoma. However, whether steatosis per se promotes liver cancer, and the molecular mechanisms that control the progression in this disease spectrum remain largely elusive. The Janus kinase signal transducers and activators of transcription (JAK-STAT) pathway mediates signal transduction by numerous cytokines that regulate inflammation and may contribute to hepatocarcinogenesis. Mice with hepatocyte-specific deletion of JAK2 (L-JAK2 KO) develop extensive fatty liver spontaneously. We show here that this simple steatosis was insufficient to drive carcinogenesis. In fact, L-JAK2 KO mice were markedly protected from chemically induced tumor formation. Using the methionine choline-deficient dietary model to induce steatohepatitis, we found that steatohepatitis development was completely arrested in L-JAK2 KO mice despite the presence of steatosis, suggesting that JAK2 is the critical factor required for inflammatory progression in the liver. In line with this, L-JAK2 KO mice exhibited attenuated inflammation after chemical carcinogen challenge. This was associated with increased hepatocyte apoptosis without elevated compensatory proliferation, thus thwarting expansion of transformed hepatocytes. Taken together, our findings identify an indispensable role of JAK2 in hepatocarcinogenesis through regulating critical inflammatory pathways. Targeting the JAK-STAT pathway may provide a novel therapeutic option for the treatment of hepatocellular carcinoma.
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Affiliation(s)
- Sally Yu Shi
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada.,the Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Cynthia T Luk
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada.,the Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Stephanie A Schroer
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada
| | - Min Jeong Kim
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada.,the Institute of Medical Research, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - David W Dodington
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada
| | - Tharini Sivasubramaniyam
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada.,the Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Lauren Lin
- the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario M5S 3E2, Canada
| | - Erica P Cai
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada.,the Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Shun-Yan Lu
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada
| | - Kay-Uwe Wagner
- the Eppley Institute for Research in Cancer and Allied Diseases and the Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, Nebraska 68198-6805, and
| | - Richard P Bazinet
- the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario M5S 3E2, Canada
| | - Minna Woo
- From the Toronto General Hospital Research Institute, Toronto, Ontario M5G 2C4, Canada, .,the Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 1A8, Canada.,the Division of Endocrinology, Department of Medicine, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario M5G 1L7, Canada
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14
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Bunn PA, Minna JD, Augustyn A, Gazdar AF, Ouadah Y, Krasnow MA, Berns A, Brambilla E, Rekhtman N, Massion PP, Niederst M, Peifer M, Yokota J, Govindan R, Poirier JT, Byers LA, Wynes MW, McFadden DG, MacPherson D, Hann CL, Farago AF, Dive C, Teicher BA, Peacock CD, Johnson JE, Cobb MH, Wendel HG, Spigel D, Sage J, Yang P, Pietanza MC, Krug LM, Heymach J, Ujhazy P, Zhou C, Goto K, Dowlati A, Christensen CL, Park K, Einhorn LH, Edelman MJ, Giaccone G, Gerber DE, Salgia R, Owonikoko T, Malik S, Karachaliou N, Gandara DR, Slotman BJ, Blackhall F, Goss G, Thomas R, Rudin CM, Hirsch FR. Small Cell Lung Cancer: Can Recent Advances in Biology and Molecular Biology Be Translated into Improved Outcomes? J Thorac Oncol 2016; 11:453-74. [PMID: 26829312 PMCID: PMC4836290 DOI: 10.1016/j.jtho.2016.01.012] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 01/03/2016] [Accepted: 01/05/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Paul A Bunn
- University of Colorado Cancer Center, Aurora, Colorado
| | - John D Minna
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Adi F Gazdar
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | | | - Anton Berns
- Netherlands Cancer Institute, Amsterdam, The Netherlands
| | | | | | | | | | | | - Jun Yokota
- Institute of Predictive and Personalized Medicine of Cancer, Barcelona, Spain; National Cancer Center Research Institute, Tokyo, Japan
| | | | - John T Poirier
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lauren A Byers
- University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Murry W Wynes
- International Association for the Study of Lung Cancer, Aurora, Colorado
| | | | | | | | - Anna F Farago
- Massachusetts General Hospital, Boston, Massachusetts
| | - Caroline Dive
- Cancer Research UK Manchester Institute, Manchester, United Kingdom
| | | | | | - Jane E Johnson
- University of Texas Southwestern Medical Center, Dallas, Texas
| | - Melanie H Cobb
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - David Spigel
- Sara Cannon Research Institute, Nashville, Tennessee
| | | | - Ping Yang
- Mayo Clinic Cancer Center, Rochester, Minnesota
| | | | - Lee M Krug
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - John Heymach
- University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | - Caicun Zhou
- Cancer Institute of Tongji University Medical School, Shanghai, China
| | - Koichi Goto
- National Cancer Center Hospital East, Chiba, Japan
| | - Afshin Dowlati
- Case Western Reserve University and University Hospitals Case Medical Center, Cleveland, Ohio
| | | | - Keunchil Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | | | - Martin J Edelman
- University of Maryland, Greenebaum Cancer Center, Baltimore, Maryland
| | | | - David E Gerber
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | | | | | | | - David R Gandara
- University of California Davis Comprehensive Cancer Center, Davis, California
| | - Ben J Slotman
- Vrije Universiteit Medical Center, Amsterdam, Netherlands
| | | | | | | | | | - Fred R Hirsch
- University of Colorado Cancer Center, Aurora, Colorado.
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15
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Gao SP, Chang Q, Mao N, Daly LA, Vogel R, Chan T, Liu SH, Bournazou E, Schori E, Zhang H, Brewer MR, Pao W, Morris L, Ladanyi M, Arcila M, Manova-Todorova K, de Stanchina E, Norton L, Levine RL, Altan-Bonnet G, Solit D, Zinda M, Huszar D, Lyden D, Bromberg JF. JAK2 inhibition sensitizes resistant EGFR-mutant lung adenocarcinoma to tyrosine kinase inhibitors. Sci Signal 2016; 9:ra33. [PMID: 27025877 DOI: 10.1126/scisignal.aac8460] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Lung adenocarcinomas with mutant epidermal growth factor receptor (EGFR) respond to EGFR-targeted tyrosine kinase inhibitors (TKIs), but resistance invariably occurs. We found that the Janus kinase (JAK)/signal transduction and activator of transcription 3 (STAT3) signaling pathway was aberrantly increased in TKI-resistant EGFR-mutant non-small cell lung cancer (NSCLC) cells. JAK2 inhibition restored sensitivity to the EGFR inhibitor erlotinib in TKI-resistant cell lines and xenograft models of EGFR-mutant TKI-resistant lung cancer. JAK2 inhibition uncoupled EGFR from its negative regulator, suppressor of cytokine signaling 5 (SOCS5), consequently increasing EGFR abundance and restoring the tumor cells' dependence on EGFR signaling. Furthermore, JAK2 inhibition led to heterodimerization of mutant and wild-type EGFR subunits, the activity of which was then blocked by TKIs. Our results reveal a mechanism whereby JAK2 inhibition overcomes acquired resistance to EGFR inhibitors and support the use of combination therapy with JAK and EGFR inhibitors for the treatment of EGFR-dependent NSCLC.
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Affiliation(s)
- Sizhi P Gao
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Qing Chang
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Ninghui Mao
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Laura A Daly
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Robert Vogel
- Computational Biology Program, MSKCC, New York, NY 10065, USA
| | - Tyler Chan
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Shu Hui Liu
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Eirini Bournazou
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Erez Schori
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA
| | - Haiying Zhang
- Children's Cancer and Blood Foundation Laboratories, Departments of Pediatrics, Cell and Developmental Biology, Weill Cornell Medical College (WCMC), New York, NY 10021, USA
| | - Monica Red Brewer
- Division of Hematology/Oncology, Vanderbilt-Ingram Cancer Center (VICC), Nashville, TN 37232, USA. Personalized Cancer Medicine, VICC, Nashville, TN 37232, USA
| | - William Pao
- Division of Hematology/Oncology, Vanderbilt-Ingram Cancer Center (VICC), Nashville, TN 37232, USA. Personalized Cancer Medicine, VICC, Nashville, TN 37232, USA
| | - Luc Morris
- Department of Surgery, MSKCC, New York, NY 10065, USA
| | - Marc Ladanyi
- Department of Pathology, MSKCC, New York, NY 10065, USA. Human Oncology and Pathogenesis Program, MSKCC, New York, NY 10065, USA
| | - Maria Arcila
- Department of Pathology, MSKCC, New York, NY 10065, USA
| | | | | | - Larry Norton
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA. WCMC, New York, NY 10021, USA
| | - Ross L Levine
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA. Human Oncology and Pathogenesis Program, MSKCC, New York, NY 10065, USA. WCMC, New York, NY 10021, USA
| | | | - David Solit
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA. Human Oncology and Pathogenesis Program, MSKCC, New York, NY 10065, USA. WCMC, New York, NY 10021, USA. Metastasis Research Center, MSKCC, New York, NY 10065, USA
| | | | | | - David Lyden
- Children's Cancer and Blood Foundation Laboratories, Departments of Pediatrics, Cell and Developmental Biology, Weill Cornell Medical College (WCMC), New York, NY 10021, USA. Department of Pediatrics, MSKCC, New York, NY 10065, USA. Drukier Institute for Children's Health, Meyer Cancer Center, WCMC, New York, NY 10021, USA.
| | - Jacqueline F Bromberg
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 10065, USA. WCMC, New York, NY 10021, USA.
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16
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Sen M, Pollock NI, Black J, DeGrave KA, Wheeler S, Freilino ML, Joyce S, Lui VWY, Zeng Y, Chiosea SI, Grandis JR. JAK kinase inhibition abrogates STAT3 activation and head and neck squamous cell carcinoma tumor growth. Neoplasia 2015; 17:256-64. [PMID: 25810010 PMCID: PMC4372647 DOI: 10.1016/j.neo.2015.01.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 01/02/2015] [Accepted: 01/07/2015] [Indexed: 12/18/2022] Open
Abstract
Aberrant activation of the Janus kinase (JAK)/signal transducer and activator of transcription (STAT) 3 has been implicated in cell proliferation and survival of many cancers including head and neck squamous cell carcinoma (HNSCC). AZD1480, an orally active pharmacologic inhibitor of JAK1/JAK2, has been tested in several cancer models. In the present study, the in vitro and in vivo effects of AZD1480 were evaluated in HNSCC preclinical models to test the potential use of JAK kinase inhibition for HNSCC therapy. AZD1480 treatment decreased HNSCC proliferation in HNSCC cell lines with half maximal effective concentration (EC50) values ranging from 0.9 to 4 μM in conjunction with reduction of pSTAT3Tyr705 expression. In vivo antitumor efficacy of AZD1480 was demonstrated in patient-derived xenograft (PDX) models derived from two independent HNSCC tumors. Oral administration of AZD1480 reduced tumor growth in conjunction with decreased pSTAT3Tyr705 expression that was observed in both PDX models. These findings suggest that the JAK1/2 inhibitors abrogate STAT3 signaling and may be effective in HNSCC treatment approaches.
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Affiliation(s)
- Malabika Sen
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Netanya I Pollock
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - John Black
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kara A DeGrave
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sarah Wheeler
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Maria L Freilino
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sonali Joyce
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Vivian W Y Lui
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Yan Zeng
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Simion I Chiosea
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jennifer R Grandis
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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17
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West NR, McCuaig S, Franchini F, Powrie F. Emerging cytokine networks in colorectal cancer. Nat Rev Immunol 2015; 15:615-29. [PMID: 26358393 DOI: 10.1038/nri3896] [Citation(s) in RCA: 264] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cytokine networks are crucial aspects of tumour immunology, particularly for colorectal cancer (CRC), in which inflammation and antitumour immunity are key determinants of disease progression. In this Review, we highlight new insights into the functions of well-known cytokines in CRC, describe recently discovered roles for a growing number of novel players, and emphasize the complexity and therapeutic implications of the cytokine milieu. We also discuss how cancer mutations and epigenetic adaptations influence the oncogenic potential of cytokines, a relatively unexplored area that could yield crucial insights into tumour immunology and facilitate the effective application of cytokine-modulatory therapies for CRC.
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Affiliation(s)
- Nathan R West
- Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7LF, UK.,Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Sarah McCuaig
- Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7LF, UK.,Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Fanny Franchini
- Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7LF, UK.,Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Fiona Powrie
- Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7LF, UK.,Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
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18
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Gritsina G, Xiao F, O'Brien SW, Gabbasov R, Maglaty MA, Xu RH, Thapa RJ, Zhou Y, Nicolas E, Litwin S, Balachandran S, Sigal LJ, Huszar D, Connolly DC. Targeted Blockade of JAK/STAT3 Signaling Inhibits Ovarian Carcinoma Growth. Mol Cancer Ther 2015; 14:1035-47. [PMID: 25646015 PMCID: PMC4394029 DOI: 10.1158/1535-7163.mct-14-0800] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 01/26/2015] [Indexed: 12/22/2022]
Abstract
Ovarian carcinoma is the fifth leading cause of death among women in the United States. Persistent activation of STAT3 is frequently detected in ovarian carcinoma. STAT3 is activated by Janus family kinases (JAK) via cytokine receptors, growth factor receptor, and non-growth factor receptor tyrosine kinases. Activation of STAT3 mediates tumor cell proliferation, survival, motility, invasion, and angiogenesis, and recent work demonstrates that STAT3 activation suppresses antitumor immune responses and supports tumor-promoting inflammation. We hypothesized that therapeutic targeting of the JAK/STAT3 pathway would inhibit tumor growth by direct effects on ovarian carcinoma cells and by inhibition of cells in the tumor microenvironment (TME). To test this, we evaluated the effects of a small-molecule JAK inhibitor, AZD1480, on cell viability, apoptosis, proliferation, migration, and adhesion of ovarian carcinoma cells in vitro. We then evaluated the effects of AZD1480 on in vivo tumor growth and progression, gene expression, tumor-associated matrix metalloproteinase (MMP) activity, and immune cell populations in a transgenic mouse model of ovarian carcinoma. AZD1480 treatment inhibited STAT3 phosphorylation and DNA binding, and migration and adhesion of cultured ovarian carcinoma cells and ovarian tumor growth rate, volume, and ascites production in mice. In addition, drug treatment led to altered gene expression, decreased tumor-associated MMP activity, and fewer suppressor T cells in the peritoneal TME of tumor-bearing mice than control mice. Taken together, our results show pharmacologic inhibition of the JAK2/STAT3 pathway leads to disruption of functions essential for ovarian tumor growth and progression and represents a promising therapeutic strategy.
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Affiliation(s)
- Galina Gritsina
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Fang Xiao
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Shane W O'Brien
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Rashid Gabbasov
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania. Kazan (Volga Region) Federal University, Kazan, Russia
| | - Marisa A Maglaty
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Ren-Huan Xu
- Immune Cell Development and Host Defense Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Roshan J Thapa
- Immune Cell Development and Host Defense Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Yan Zhou
- Biostatistics Facility, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | | | - Samuel Litwin
- Biostatistics Facility, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Siddharth Balachandran
- Immune Cell Development and Host Defense Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Luis J Sigal
- Immune Cell Development and Host Defense Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | | | - Denise C Connolly
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania.
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19
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Dutta P, Sabri N, Li J, Li WX. Role of STAT3 in lung cancer. JAKSTAT 2015; 3:e999503. [PMID: 26413424 DOI: 10.1080/21623996.2014.999503] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 12/10/2014] [Accepted: 12/15/2014] [Indexed: 12/18/2022] Open
Abstract
Lung cancer remains a challenging disease. It is responsible for the high cancer mortality rates in the US and worldwide. Elucidation of the molecular mechanisms operative in lung cancer is an important first step in developing effective therapies. Accumulating evidence over the last 2 decades suggests a critical role for Signal Transducer and Activator of Transcription 3 (STAT3) as a point of convergence for various signaling pathways that are dysregulated in the disease. In this review, we discuss possible molecular mechanisms involving STAT3 in lung tumorigenesis based on recent literature. We consider possible roles of STAT3 in cancer cell proliferation and survival, in the tumor immune environment, and in epigenetic regulation and interaction of STAT3 with other transcription factors. We also discuss the potential role of STAT3 in tumor suppression, which complicates strategies of targeting STAT3 in cancer therapy.
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Affiliation(s)
- Pranabananda Dutta
- Department of Medicine; University of California, San Diego ; La Jolla, CA USA
| | - Nafiseh Sabri
- Department of Medicine; University of California, San Diego ; La Jolla, CA USA ; Department of Chemistry & Molecular Biology; University of Gothenburg ; Gothenburg, Sweden
| | - Jinghong Li
- Department of Medicine; University of California, San Diego ; La Jolla, CA USA
| | - Willis X Li
- Department of Medicine; University of California, San Diego ; La Jolla, CA USA
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20
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Houghton PJ, Kurmasheva RT, Lyalin D, Maris JM, Kolb EA, Gorlick R, Reynolds CP, Kang MH, Keir ST, Wu J, Smith MA. Initial solid tumor testing (stage 1) of AZD1480, an inhibitor of Janus kinases 1 and 2 by the pediatric preclinical testing program. Pediatr Blood Cancer 2014; 61:1972-9. [PMID: 25131802 PMCID: PMC4201390 DOI: 10.1002/pbc.25175] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 06/16/2014] [Indexed: 01/19/2023]
Abstract
BACKGROUND AZD1480 is an ATP competitive inhibitor of Janus kinases 1 and 2 (JAK1, 2) that has been shown to inhibit the growth of solid tumor models. This agent was selected for testing the putative role of JAK/STAT signaling in the standard PPTP solid tumor models. PROCEDURES AZD1480 was tested against the PPTP in vitro cell line panel at concentrations from 1.0 nM to 10 μM and against the PPTP in vivo solid tumor xenograft panels at (60 mg/kg once daily (SID) × 5) for three consecutive weeks. Additional studies evaluated 5 to 20 mg/kg BID × 5 with SID dosing at 7-30 mg/kg at weekends for three consecutive weeks. RESULTS In vitro the median relative IC50 (rIC50 ) for the PPTP cell lines was 1.5 µM, with a range from 0.3 µM to 5.9 µM. The two cell lines with rIC50 values of 0.3 µM both had ALK activating genomic alterations. AZD1480 demonstrated statistically significant differences (P < 0.05) in EFS distribution compared to control in 89% of the solid tumor xenografts. AZD1480 induced intermediate (EFS T/C > 2) or high-level growth inhibition in 15 of 30 (50%) solid tumor xenografts. Tumor regressions were observed in three of six Wilms tumor models at doses that induced inhibition of Stat3(Y705) phosphorylation. CONCLUSIONS AZD1480 demonstrated significant tumor growth inhibition against most PPTP solid tumor xenografts, similar to that observed for antiangiogenic agents tested by the PPTP. Tumor regressing activity was noted for Wilms tumor xenografts.
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Affiliation(s)
| | | | | | - John M. Maris
- Children’s Hospital of Philadelphia, University of Pennsylvania School of Medicine and Abramson Family Cancer Research Institute, Philadelphia, PA
| | | | | | | | - Min H. Kang
- Texas Tech University Health Sciences Center, Lubbock, TX
| | | | - Jianrong Wu
- St. Jude Children's Research Hospital, Memphis, TN
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Malemud CJ, Blumenthal DE. Protein kinase small molecule inhibitors for rheumatoid arthritis: Medicinal chemistry/clinical perspectives. World J Orthop 2014; 5:496-503. [PMID: 25232525 PMCID: PMC4133455 DOI: 10.5312/wjo.v5.i4.496] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 02/28/2014] [Accepted: 06/20/2014] [Indexed: 02/06/2023] Open
Abstract
Medicinal chemistry strategies have contributed to the development, experimental study of and clinical trials assessment of the first type of protein kinase small molecule inhibitor to target the Janus kinase/Signal Transducers and Activators of Transcription (JAK/STAT) signaling pathway. The orally administered small molecule inhibitor, tofacitinib, is the first drug to target the JAK/STAT pathway for entry into the armamentarium of the medical therapy of rheumatoid arthritis. The introduction of tofacitinib into general rheumatologic practice coupled with increasing understanding that additional cellular signal transduction pathways including the mitogen-activated protein kinase and phosphatidylinositide-3-kinase/Akt/mammalian target of rapamycin pathways as well as spleen tyrosine kinase also contribute to immune-mediated inflammatory in rheumatoid arthritis makes it likely that further development of orally administered protein kinase small molecule inhibitors for rheumatoid arthritis will occur in the near future.
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22
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Wang SW, Hu J, Guo QH, Zhao Y, Cheng JJ, Zhang DS, Fei Q, Li J, Sun YM. AZD1480, a JAK inhibitor, inhibits cell growth and survival of colorectal cancer via modulating the JAK2/STAT3 signaling pathway. Oncol Rep 2014; 32:1991-8. [PMID: 25216185 DOI: 10.3892/or.2014.3477] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Accepted: 08/18/2014] [Indexed: 11/05/2022] Open
Abstract
Interleukin (IL)-6 and the downstream Janus kinase (JAK)/signal activator of transcription (STAT) pathway have been found to be important in the development of colorectal cancer (CRC). To develop novel therapies for CRC, we have explored the effects of a novel small-molecule JAK inhibitor (AZD1480) on IL-6/JAK/STAT3 pathway and its potential antitumor activity on the human CRC cell lines (HCT116, HT29 and SW480). The results showed that, AZD1480 effectively prevents constitutive and IL-6-induced JAK2 and STAT-3 phosphorylation and exerted antitumor functional effects by a decrease in proliferation and an increase in apoptosis in CRC cells. The inhibition of tumorigenesis was consistent with the decreased phosphorylated JAK2 and phosphorylated STAT3, and the decreased expression of STAT3‑targeted genes c-Myc, cyclin D2 and IL-6. Thus, AZD1480 is a potential new clinical therapeutic agent for patients with CRC.
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Affiliation(s)
- Shu-Wei Wang
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jun Hu
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Qin-Hao Guo
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yan Zhao
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jie-Jing Cheng
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Dong-Sheng Zhang
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Qiang Fei
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Juan Li
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yue-Ming Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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23
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Owonikoko TK, Zhang G, Deng X, Rossi MR, Switchenko JM, Doho GH, Chen Z, Kim S, Strychor S, Christner SM, Beumer J, Li C, Yue P, Chen A, Sica GL, Ramalingam SS, Kowalski J, Khuri FR, Sun SY. Poly (ADP) ribose polymerase enzyme inhibitor, veliparib, potentiates chemotherapy and radiation in vitro and in vivo in small cell lung cancer. Cancer Med 2014; 3:1579-94. [PMID: 25124282 PMCID: PMC4298385 DOI: 10.1002/cam4.317] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 07/13/2014] [Accepted: 07/14/2014] [Indexed: 12/26/2022] Open
Abstract
Poly (ADP) ribose polymerase (PARP) plays a key role in DNA repair and is highly expressed in small cell lung cancer (SCLC). We investigated the therapeutic impact of PARP inhibition in SCLC. In vitro cytotoxicity of veliparib, cisplatin, carboplatin, and etoposide singly and combined was determined by MTS in 9 SCLC cell lines (H69, H128, H146, H526, H187, H209, DMS53, DMS153, and DMS114). Subcutaneous xenografts in athymic nu/nu mice of H146 and H128 cells with relatively high and low platinum sensitivity, respectively, were employed for in vivo testing. Mechanisms of differential sensitivity of SCLC cell lines to PARP inhibition were investigated by comparing protein and gene expression profiles of the platinum sensitive and the less sensitive cell lines. Veliparib showed limited single-agent cytotoxicity but selectively potentiated (≥50% reduction in IC50) cisplatin, carboplatin, and etoposide in vitro in five of nine SCLC cell lines. Veliparib with cisplatin or etoposide or with both cisplatin and etoposide showed greater delay in tumor growth than chemotherapy alone in H146 but not H128 xenografts. The potentiating effect of veliparib was associated with in vitro cell line sensitivity to cisplatin (CC = 0.672; P = 0.048) and DNA-PKcs protein modulation. Gene expression profiling identified differential expression of a 5-gene panel (GLS, UBEC2, HACL1, MSI2, and LOC100129585) in cell lines with relatively greater sensitivity to platinum and veliparib combination. Veliparib potentiates standard cytotoxic agents against SCLC in a cell-specific manner. This potentiation correlates with platinum sensitivity, DNA-PKcs expression and a 5-gene expression profile.
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Affiliation(s)
- Taofeek K Owonikoko
- Department of Hematology & Medical Oncology, Emory University School of Medicine, Atlanta, Georgia; Winship Cancer Institute of Emory University, Atlanta, Georgia
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Taniguchi K, Karin M. IL-6 and related cytokines as the critical lynchpins between inflammation and cancer. Semin Immunol 2014; 26:54-74. [PMID: 24552665 DOI: 10.1016/j.smim.2014.01.001] [Citation(s) in RCA: 490] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Accepted: 01/06/2014] [Indexed: 11/17/2022]
Abstract
Inflammatory responses play pivotal roles in cancer development, including tumor initiation, promotion, progression, and metastasis. Cytokines are now recognized as important mediators linking inflammation and cancer, and are therefore potential therapeutic and preventive targets as well as prognostic factors. The interleukin (IL)-6 family of cytokines, especially IL-6 and IL-11, is highly up-regulated in many cancers and considered as one of the most important cytokine families during tumorigenesis and metastasis. This review discusses molecular mechanisms linking the IL-6 cytokine family to solid malignancies and their treatment.
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Affiliation(s)
- Koji Taniguchi
- Laboratory of Gene Regulation and Signal Transduction, Departments of Pharmacology and Pathology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; Department of Microbiology and Immunology, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Michael Karin
- Laboratory of Gene Regulation and Signal Transduction, Departments of Pharmacology and Pathology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; UC San Diego Moores Cancer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
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