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Zhu J, Shi L, Su Y. FYN as an emerging biological biomarker for prognosis and potential therapeutic target in LGG. Neurol Res 2024; 46:787-795. [PMID: 38752708 DOI: 10.1080/01616412.2024.2354620] [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: 09/25/2023] [Accepted: 05/07/2024] [Indexed: 08/24/2024]
Abstract
OBJECTIVES This study aimed to explore the expression, clinical significance, and functional mechanism of FYN in lower-grade gliomas (LGG). METHODS The mRNA and protein expression of FYN in LGG tissues were detected using databases including OncoLnc, GEPIA, and Human protein atlas (HPA). The UCSC Xena browser, TIMER, STRING and Metascape databases were used to investigate Kaplan-Meier survival curves, correlations between FYN expression and various types of immune cell infiltration, protein interaction network and possible functional mechanism. RESULTS FYN expression in LGG, IDH mutation or 1p19q co-deletion subgroup was significantly higher than in corresponding control groups (p < 0.05). Patients with higher FYN expression had longer overall survival (p < 0.05). Male or no 1p19q co-deletion groups with higher FYN expression also had longer overall survival (p < 0.05). FYN expression had close correlation with infiltrating levels of cell purity, CD4+T cells, macrophages, and CD8+T cells (p < 0.05). Protein interaction network result showed correlation among FYN, SH2D1A, LCK, CAV1, SRC, CBL and PTK2. Functional enrichment analysis revealed that FYN and its related genes mainly participated in bacterial invasion of epithelial cells and natural killer cell mediated cytotoxicity. Peptidyl-tyrosine phosphorylation, negative regulation of anoikis, immune effector process, transmembrane receptor protein tyrosine kinase signaling pathway, epidermal growth factor receptor signaling pathway, and negative regulation of protein modification process may be the critical biological process. CONCLUSIONS FYN is up-expressed in LGG and related to its good prognosis. It participated in tumor pathophysiological processes and may be a therapeutic target for LGG.
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Affiliation(s)
- Jin Zhu
- Department of Neurosurgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Liang Shi
- Department of Neurosurgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Yibing Su
- Department of Neurosurgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
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2
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Shi Y, Cheng Y, Wang W, Tang L, Li W, Zhang L, Yuan Z, Zhu F, Duan Q. YANK2 activated by Fyn promotes glioma tumorigenesis via the mTOR-independent p70S6K activation pathway. Sci Rep 2024; 14:10507. [PMID: 38714727 PMCID: PMC11076283 DOI: 10.1038/s41598-024-61157-5] [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: 01/24/2024] [Accepted: 05/02/2024] [Indexed: 05/10/2024] Open
Abstract
Glioma, particularly glioblastomas (GBM), is incurable brain tumor. The most targeted receptor tyrosine kinase (RTKs) drugs did not bring benefit to GBM patients. The mechanism of glioma growth continues to be explored to find more effective treatment. Here, we reported that Ser/Thr protein kinase YANK2 (yet another kinase 2) is upregulated in glioma tissues and promotes the growth and proliferation of glioma in vitro and in vivo. Further, we confirmed that oncogene Fyn directly activated YANK2 through phosphorylation its Y110, and Fyn-mediated YANK2 phosphorylation at Y110 site promotes glioma growth by increasing its stability. Finally, YANK2 was proved to be a novel upstream kinase of p70S6K and promotes glioma growth by directly phosphorylating p70S6K at T389. Taken together, we found a new mTOR-independent p70S6K activation pathway, Fyn-YANK2-p70S6K, which promotes glioma growth, and YANK2 is a potential oncogene and serves as a novel therapeutic target for glioma.
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Affiliation(s)
- Yue Shi
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Yue Cheng
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
- Department of Clinical Laboratory, Zhengzhou Eighth People's Hospital, Zhengzhou, Henan, China
| | - Wei Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Liu Tang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Wensheng Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Liyuan Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Zheng Yuan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Feng Zhu
- Translational Medicine Center, Huaihe Hospital of Henan University, Kaifeng, 475000, Henan, China.
- Medical and Industry Crossover Research Institute of Medical College, Henan University, Kaifeng, 475000, Henan, China.
| | - Qiuhong Duan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
- Translational Medicine Center, Huaihe Hospital of Henan University, Kaifeng, 475000, Henan, China.
- Medical and Industry Crossover Research Institute of Medical College, Henan University, Kaifeng, 475000, Henan, China.
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3
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Liu C, Li S, Tang Y. Advances in the expression and function of Fyn in different human tumors. Clin Transl Oncol 2023; 25:2852-2860. [PMID: 37093456 DOI: 10.1007/s12094-023-03167-9] [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: 11/13/2022] [Accepted: 03/18/2023] [Indexed: 04/25/2023]
Abstract
The tyrosine kinase Fyn is a member of the SRC family of kinases, and its sustained activation is closely linked to tumor cell migration, proliferation, and cell metabolism. Recently, Fyn has been found to be expressed in various tumor tissues, and the expression and function of Fyn vary between tumors, with Fyn acting as an oncogene to promote proliferation and metastasis in some tumors. This article summarizes the recent studies on the role of Fyn in different human tumors, focusing on the role of Fyn in melanoma, breast cancer, glioma, lung cancer, and peripheral T-cell lymphoma in order to provide a basis for future research and targeted therapy in different human tumors.
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Affiliation(s)
- Changqing Liu
- Key Laboratory of Cancer Cellular and Molecular Pathology in Hunan Province, Cancer Research Institute of Hengyang Medical College, University of South China, Hunan Province, 28 Changsheng Road, Hengyang, 421001, People's Republic of China
| | - Shan Li
- Key Laboratory of Cancer Cellular and Molecular Pathology in Hunan Province, Cancer Research Institute of Hengyang Medical College, University of South China, Hunan Province, 28 Changsheng Road, Hengyang, 421001, People's Republic of China
| | - Yunlian Tang
- Key Laboratory of Cancer Cellular and Molecular Pathology in Hunan Province, Cancer Research Institute of Hengyang Medical College, University of South China, Hunan Province, 28 Changsheng Road, Hengyang, 421001, People's Republic of China.
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4
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Brown JS. Comparison of Oncogenes, Tumor Suppressors, and MicroRNAs Between Schizophrenia and Glioma: The Balance of Power. Neurosci Biobehav Rev 2023; 151:105206. [PMID: 37178944 DOI: 10.1016/j.neubiorev.2023.105206] [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: 11/29/2022] [Revised: 04/25/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023]
Abstract
The risk of cancer in schizophrenia has been controversial. Confounders of the issue are cigarette smoking in schizophrenia, and antiproliferative effects of antipsychotic medications. The author has previously suggested comparison of a specific cancer like glioma to schizophrenia might help determine a more accurate relationship between cancer and schizophrenia. To accomplish this goal, the author performed three comparisons of data; the first a comparison of conventional tumor suppressors and oncogenes between schizophrenia and cancer including glioma. This comparison determined schizophrenia has both tumor-suppressive and tumor-promoting characteristics. A second, larger comparison between brain-expressed microRNAs in schizophrenia with their expression in glioma was then performed. This identified a core carcinogenic group of miRNAs in schizophrenia offset by a larger group of tumor-suppressive miRNAs. This proposed "balance of power" between oncogenes and tumor suppressors could cause neuroinflammation. This was assessed by a third comparison between schizophrenia, glioma and inflammation in asbestos-related lung cancer and mesothelioma (ALRCM). This revealed that schizophrenia shares more oncogenic similarity to ALRCM than glioma.
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5
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Peng S, Fu Y. FYN: emerging biological roles and potential therapeutic targets in cancer. J Transl Med 2023; 21:84. [PMID: 36740671 PMCID: PMC9901160 DOI: 10.1186/s12967-023-03930-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 01/25/2023] [Indexed: 02/07/2023] Open
Abstract
Src family protein kinases (SFKs) play a key role in cell adhesion, invasion, proliferation, survival, apoptosis, and angiogenesis during tumor development. In humans, SFKs consists of eight family members with similar structure and function. There is a high level of overexpression or hyperactivity of SFKs in tumor, and they play an important role in multiple signaling pathways involved in tumorigenesis. FYN is a member of the SFKs that regulate normal cellular processes. Additionally, FYN is highly expressed in many cancers and promotes cancer growth and metastasis through diverse biological functions such as cell growth, apoptosis, and motility migration, as well as the development of drug resistance in many tumors. Moreover, FYN is involved in the regulation of multiple cancer-related signaling pathways, including interactions with ERK, COX-2, STAT5, MET and AKT. FYN is therefore an attractive therapeutic target for various tumor types, and suppressing FYN can improve the prognosis and prolong the life of patients. The purpose of this review is to provide an overview of FYN's structure, expression, upstream regulators, downstream substrate molecules, and biological functions in tumors.
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Affiliation(s)
- SanFei Peng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 China
| | - Yang Fu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 China
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Conage-Pough JE, Stopka SA, Oh JH, Mladek AC, Burgenske DM, Regan MS, Baquer G, Decker PA, Carlson BL, Bakken KK, Zhang J, Liu L, Sun C, Mu Z, Zhong W, Tran NL, Elmquist WF, Agar NYR, Sarkaria JN, White FM. WSD-0922, a novel brain-penetrant inhibitor of epidermal growth factor receptor, promotes survival in glioblastoma mouse models. Neurooncol Adv 2023; 5:vdad066. [PMID: 37324218 PMCID: PMC10263119 DOI: 10.1093/noajnl/vdad066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023] Open
Abstract
Background Although the epidermal growth factor receptor (EGFR) is a frequent oncogenic driver in glioblastoma (GBM), efforts to therapeutically target this protein have been largely unsuccessful. The present preclinical study evaluated the novel EGFR inhibitor WSD-0922. Methods We employed flank and orthotopic patient-derived xenograft models to characterize WSD-0922 and compare its efficacy to erlotinib, a potent EGFR inhibitor that failed to provide benefit for GBM patients. We performed long-term survival studies and collected short-term tumor, plasma, and whole-brain samples from mice treated with each drug. We utilized mass spectrometry to measure drug concentrations and spatial distribution and to assess the impact of each drug on receptor activity and cellular signaling networks. Results WSD-0922 inhibited EGFR signaling as effectively as erlotinib in in vitro and in vivo models. While WSD-0922 was more CNS penetrant than erlotinib in terms of total concentration, comparable concentrations of both drugs were measured at the tumor site in orthotopic models, and the concentration of free WSD-0922 in the brain was significantly less than the concentration of free erlotinib. WSD-0922 treatment provided a clear survival advantage compared to erlotinib in the GBM39 model, with marked suppression of tumor growth and most mice surviving until the end of the study. WSD-0922 treatment preferentially inhibited phosphorylation of several proteins, including those associated with EGFR inhibitor resistance and cell metabolism. Conclusions WSD-0922 is a highly potent inhibitor of EGFR in GBM, and warrants further evaluation in clinical studies.
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Affiliation(s)
| | | | - Ju-Hee Oh
- Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Ann C Mladek
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Michael S Regan
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Gerard Baquer
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Paul A Decker
- Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota, USA
| | - Brett L Carlson
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Katrina K Bakken
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Lily Liu
- Wayshine Biopharm, Corona, California, USA
| | - Claire Sun
- Wayshine Biopharm, Corona, California, USA
| | - Zhihua Mu
- Wayshine Biopharm, Corona, California, USA
| | - Wei Zhong
- Wayshine Biopharm, Corona, California, USA
| | - Nhan L Tran
- Department of Cancer Biology, Mayo Clinic, Scottsdale, Arizona, USA
| | - William F Elmquist
- Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Nathalie Y R Agar
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts ¸ USA
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Forest M White
- Corresponding Author: Forest M. White, 500 Main Street, Koch Institute for Integrative Cancer Research at MIT, Cambridge, MA 02139, USA ()
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Hedna R, Kovacic H, Pagano A, Peyrot V, Robin M, Devred F, Breuzard G. Tau Protein as Therapeutic Target for Cancer? Focus on Glioblastoma. Cancers (Basel) 2022; 14:5386. [PMID: 36358803 PMCID: PMC9653627 DOI: 10.3390/cancers14215386] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/28/2022] [Accepted: 10/28/2022] [Indexed: 08/27/2023] Open
Abstract
Despite being extensively studied for several decades, the microtubule-associated protein Tau has not finished revealing its secrets. For long, Tau has been known for its ability to promote microtubule assembly. A less known feature of Tau is its capability to bind to cancer-related protein kinases, suggesting a possible role of Tau in modulating microtubule-independent cellular pathways that are associated with oncogenesis. With the intention of finding new therapeutic targets for cancer, it appears essential to examine the interaction of Tau with these kinases and their consequences. This review aims at collecting the literature data supporting the relationship between Tau and cancer with a particular focus on glioblastoma tumors in which the pathological significance of Tau remains largely unexplored. We will first treat this subject from a mechanistic point of view showing the pivotal role of Tau in oncogenic processes. Then, we will discuss the involvement of Tau in dysregulating critical pathways in glioblastoma. Finally, we will outline promising strategies to target Tau protein for the therapy of glioblastoma.
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Affiliation(s)
- Rayane Hedna
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Hervé Kovacic
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Alessandra Pagano
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Vincent Peyrot
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Maxime Robin
- Faculté de Pharmacie, Institut Méditerranéen de Biodiversité et Ecologie marine et continentale (IMBE), UMR 7263, CNRS, IRD 237, Aix-Marseille Université, 13005 Marseille, France
| | - François Devred
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
| | - Gilles Breuzard
- Faculté des Sciences Médicales et Paramédicales, Institut de Neurophysiopathologie (INP), UMR 7051, CNRS, Aix Marseille Université, 13005 Marseille, France
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8
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Huang L, He H, Wang K, Ma X, Chen X, Chen W, Wang X, Jiang X, Feng M. EGFRvⅢ-targeted immunotoxin combined with temozolomide and bispecific antibody for the eradication of established glioblastoma. Biomed Pharmacother 2022; 155:113659. [PMID: 36095959 DOI: 10.1016/j.biopha.2022.113659] [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: 07/04/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/26/2022] Open
Abstract
EGFRvⅢ is an established target for immunotherapy of glioblastoma (GBM). Current study aims to explore the efficacy of EGFRvⅢ-targeted immunotoxin combined with temozolomide (TMZ) or T cell-engaged bispecific antibody for the treatment of GBM. We generated three rabbit monoclonal antibodies (R1, R2, and R6) that specifically bound to EGFRvⅢ, but not EGFR, with high affinity. Immunotoxins were made by fusing the scFv of these antibodies with engineered Pseudomonas exotoxin PE24. The in vitro cytotoxicity and specificity of the immunotoxins was rigorously validated by EGFRvⅢ and EGFR-expressed cell lines. The in vivo efficacy of immunotoxin monotherapy and in combination with TMZ or EGFRvⅢ-targeted bispecific antibody was evaluated in orthotopic and subcutaneous xenograft mouse models. EGFRvⅢ immunotoxins potently killed U87, U251 and GL261 cells that were forcefully expressing EGFRvⅢ, with IC50 values bellow 1.2 ng/ml. In a subcutaneous model, multiple intratumoral injections of immunotoxin at a dose of 2 mg/kg resulted in complete tumor regression in 3/5 of mice. In a C57BL/6 orthotopic glioblastoma model transplanted with GL261 cells that expressed a mouse version of EGFRvⅢ, two injections of 10 micrograms of immunotoxin in the lateral ventricles significantly improved the survival, with 2/5 mice being completely cured. Furthermore, in a subcutaneous xenograft model transplanted with EGFRvⅢ-expressed U87 cells, a single intratumoral injection of immuntoxin followed by i.v. injections of TMZ or EGFRvⅢ-targeted bispecific antibody achieved complete regression in mice. Taken together, EGFRvⅢ immunotoxin combined with TMZ or T cell-engaged bispecific antibody offers promise for curative treatment of GBM.
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Affiliation(s)
- Le Huang
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Huixia He
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Ke Wang
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Xuqian Ma
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Xin Chen
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Wenxin Chen
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Xuan Wang
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430070, China
| | - Xiaobing Jiang
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430070, China.
| | - Mingqian Feng
- College of Life Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China; College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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Bai C, Yang W, Ouyang R, Li Z, Zhang L. Study of hsa_circRNA_000121 and hsa_circRNA_004183 in papillary thyroid microcarcinoma. Open Life Sci 2022; 17:726-734. [PMID: 35891968 PMCID: PMC9281586 DOI: 10.1515/biol-2022-0080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 04/18/2022] [Accepted: 04/26/2022] [Indexed: 11/18/2022] Open
Abstract
We detected the expressions of hsa_circRNA_000121 and hsa_circRNA_ 004183 in papillary thyroid microcarcinoma (PTMC) and explored their relationship with the invasiveness of PTMC. PTMC patients with (n = 30; metastasis group) and without lymph node metastasis (n = 30; nonmetastasis group) were included. The levels of hsa_circRNA_000121, hsa_circRNA_004183, hsa-miR-4763, hsa-miR-6775, sarcoma gene (SRC), and MMP-14 were detected with real-time polymerase chain reaction. Receiver-operating characteristic (ROC) analyzed the diagnostic value of hsa_circRNA_000121 and hsa_circRNA_004183. Binary logistic regression analysis evaluated the relationship of gene expression with PTMC invasiveness. In PTMC tissue samples, compared with the metastasis group, the expression of hsa_circRNA_000121, hsa_circRNA_004183, SRC, and MMP-14 in the nonmetastasis group decreased, while the expression of hsa-miR-4763 and hsa-miR-6775 increased. In peripheral blood, compared with the metastasis group, the expression of hsa_circ_000121 and hsa_circRNA_004183 in the nonmetastasis group decreased. Both hsa_circRNA_000121 and hsa_circRNA_004183 had good sensitivity and specificity for diagnosing PTMC lymph node metastasis, with a cut-off value of 0.796 and 0.938, respectively. However, the gene expressions were not significantly associated with PTMC lymph node metastasis. Hsa_circRNA_000121 may upregulate SRC expression through hsa-miR-4763, while hsa_circRNA 000121 may upregulate MMP-14 expression through hsa-miR-6775, thereby promoting the aggressiveness of PTMC and ultimately leading to cervical lymph node metastasis. hsa_circRNA_000121 and hsa_circRNA_004183 may become potential biomarkers of PTMC aggressiveness.
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Affiliation(s)
- Chao Bai
- Department of Vascular and Thyroid Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, China
| | - Wenwen Yang
- The Second Department of General Internal Medicine, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, China
| | - Ru Ouyang
- Department of Endocrinology, Sanya Central Hospital, No. 1154, Jiefang 4th Road, Tianya District, Sanya 572000, China
| | - Zongbao Li
- Department of Endocrinology, Sanya Central Hospital, No. 1154, Jiefang 4th Road, Tianya District, Sanya 572000, China
| | - Li Zhang
- Department of Endocrinology, Sanya Central Hospital, No. 1154, Jiefang 4th Road, Tianya District, Sanya 572000, China
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Sun S, Liu Y, Zhou M, Wen J, Xue L, Han S, Liang J, Wang Y, Wei Y, Yu J, Long X, Chen X, Liang H, Huang Z, Zhang B. PA2G4 promotes the metastasis of hepatocellular carcinoma by stabilizing FYN mRNA in a YTHDF2-dependent manner. Cell Biosci 2022; 12:55. [PMID: 35526051 PMCID: PMC9080163 DOI: 10.1186/s13578-022-00788-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 04/16/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide with high mortality. Advanced stage upon diagnosis and cancer metastasis are the main reasons for the dismal prognosis of HCC in large part. The role of proliferation associated protein 2G4 (PA2G4) in tumorigenesis and cancer progression has been widely investigated in various cancers. However, whether and how PA2G4 participates in HCC metastasis is still underexplored. RESULTS We found that the mRNA and protein levels of PA2G4 were higher in HCC samples than in normal liver tissues, and high expression of PA2G4 in HCC was correlated with a poor prognosis, by an integrative analysis of immunohistochemistry (IHC), western blot and bioinformatic approach. Moreover, the expression of PA2G4 was elevated in HCC patients with metastases than those metastasis-free. Cell migration, invasion, phalloidin staining and western blot analyses demonstrated that PA2G4 promoted epithelial to mesenchymal transition (EMT) of HCC cells in vitro. And a lung metastasis animal model exhibited that PA2G4 enhanced metastatic ability of HCC cells in vivo. RNA-sequencing combined with dual luciferase reporter assay and evaluation of mRNA half-time indicated that PA2G4 increased FYN expression by stabilizing its mRNA transcript. Recovering the impaired FYN level induced by PA2G4 knockdown rescued the impeded cell mobilities. Furthermore, endogenous immunoprecipitation (IP) and in-situ immunofluorescence (IF) showed that YTH N6-methyladenosine RNA binding protein 2 (YTHDF2) was the endogenous binding patterner of PA2G4. In addition, RNA binding protein immunoprecipitation (RIP) and anti- N6-methyladenosine immunoprecipitation (MeRIP) assays demonstrated that FYN mRNA was N6-methyladenosine (m6A) modified and bound with PA2G4, as well as YTHDF2. Moreover, the m6A catalytic ability of YTHDF2 was found indispensable for the regulation of FYN by PA2G4. At last, the correlation of expression levels between PA2G4 and FYN in HCC tissues was verified by IHC and western blot analysis. CONCLUSIONS These results indicate that PA2G4 plays a pro-metastatic role by increasing FYN expression through binding with YTHDF2 in HCC. PA2G4 may become a reliable prognostic marker or therapeutic target for HCC patients.
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Affiliation(s)
- Sheng Sun
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yiyang Liu
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meiling Zhou
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Jinyuan Wen
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Xue
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shenqi Han
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junnan Liang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yufei Wang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Wei
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinjin Yu
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Long
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoping Chen
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Organ Transplantation, Ministry of Education; Key Laboratory of Organ Transplantation, National Health Commission; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Huifang Liang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China. .,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China. .,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Zhao Huang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China. .,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China. .,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Bixiang Zhang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China. .,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, China. .,Hubei Key Laboratory of Hepato-Pancreatic-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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11
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Gasymov OK, Kecel-Gunduz S, Celik S, Akyuz S, Ozel AE, Agaeva G, Suleymanova LM, Agaeva U, Bakhishova M, Aliyev JA. Molecular docking of the pentapeptide derived from rice bran protein as anticancer agent inhibiting both receptor and non-receptor tyrosine kinases. J Biomol Struct Dyn 2022:1-23. [PMID: 35477348 DOI: 10.1080/07391102.2022.2067234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The cationic pentapeptide Glu-Gln-Arg-Pro-Arg (EQRPR) belongs to the family of anti-cancer peptides with significant anti-cancer activity. However, the mechanism by which the peptide performs this activity is unknown. In this study, we explored the pharmaceutical profile of Glu-Gln-Arg-Pro-Arg pentapeptide and revealed its anticancer properties by in silico docking studies. Moreover, the effect of EQRPR behavior of the DPPC membrane was investigated by means of Langmuir monolayer technique and the results were discussed in terms of mutual interactions. To evaluate the binding mechanisms, the pentapeptide and its various D-amino acid substituted analogs were docked to both epidermal growth factor receptor (EGFR) tyrosine kinase and proto-oncogene tyrosine-protein kinase, Fyn. Simultaneous binding of the pentapeptides to both EGFR and Fyn proteins, which are receptor- and non-receptor-kinases, respectively, suggest that these peptides can be an effective agent for cancer treatment. Moreover, to show the potential of the investigated pentapeptides to overcome the generated mutation-related drug resistance to EGFR targeted therapies, molecular docking investigations of EQRPR and all its D-analogs were performed against the prospective targets: Wild type EGFRWT and mutant EGFRT790M. Erlotinib and TAK-285 were used as reference molecules. The strong interaction of the peptide with EGFRWT (from -9.24 to -9.75 kcal/mol) and the secondary mutant EGFRT790M (from -9.28 to -9.64 kcal/mol) observed in most cancer recurrence cases indicates its good potential to overcome drug resistance in cancer therapy. In addition, the pharmacological properties of the investigated pentapeptides were revealed by in silico ADME (Absorption, Distribution, Metabolism, Excretion) and toxicity analysis.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Oktay K Gasymov
- Laboratory of Structure, Dynamics and Functions of Biomolecules, Institute of Biophysics of ANAS, Baku, Azerbaijan
| | - Serda Kecel-Gunduz
- Physics Department, Science Faculty, Istanbul University, Istanbul, Turkey
| | - Sefa Celik
- Physics Department, Science Faculty, Istanbul University, Istanbul, Turkey
| | - Sevim Akyuz
- Physics Department, Science and Letters Faculty, Istanbul Kultur University, Istanbul, Turkey
| | - Ayşen E Ozel
- Physics Department, Science Faculty, Istanbul University, Istanbul, Turkey
| | - Gulshen Agaeva
- Department of Biophysics, Institute for Physical Problems, Baku State University, Baku, Azerbaijan
| | - Leman M Suleymanova
- Laboratory of Structure, Dynamics and Functions of Biomolecules, Institute of Biophysics of ANAS, Baku, Azerbaijan
| | - Ulker Agaeva
- Department of Biophysics, Institute for Physical Problems, Baku State University, Baku, Azerbaijan
| | - Matanat Bakhishova
- Laboratory of Structure, Dynamics and Functions of Biomolecules, Institute of Biophysics of ANAS, Baku, Azerbaijan
| | - J A Aliyev
- National Center of Oncology, Azerbaijan Republic Ministry of Health, H. Zardabi, Baku, Azerbaijan
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12
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Galimberti C, Piepoli T, Letari O, Artusi R, Persiani S, Caselli G, Rovati LC. CR13626: a novel oral brain penetrant tyrosine kinase inhibitor that reduces tumor growth and prolongs survival in a mouse model of glioblastoma. Am J Cancer Res 2021; 11:3558-3574. [PMID: 34354860 PMCID: PMC8332859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/04/2021] [Indexed: 06/13/2023] Open
Abstract
Glioblastoma multiforme (GBM) is the most malignant primary brain cancer. Despite aggressive treatments currently there is no cure for GBM. Many challenges should be considered for the development of new therapeutical agents for glioblastoma, including appropriate target selectivity and pharmacokinetics. Several mutations and alterations of key cellular pathways including tyrosine kinases (TKs) are involved in malignant transformation and tumor progression. Thus, the targeting of multiple pathways and the development of innovative combination drug regimens is expected to yield improved therapies. Moreover, the abilities to cross the blood-brain barrier (BBB) reaching effective concentrations in brain and to remain into this tissue avoiding the effects of efflux transporters are also critical issues in the development of new therapeutics for GBM. CR13626 is a novel brain penetrant small molecule able to potently inhibit in vitro the activity of EGFR, VEGFR2 (aka KDR), Fyn, Yes, Lck, HGK (aka MAP4K4) and RET kinases relevant for GBM development. CR13626 shows good oral bioavailability (72%) and relevant brain penetration (brain/plasma ratio of 1.4). In an orthotopic xenograft glioblastoma mouse model, oral treatment with CR13626 results in a time-dependent reduction of tumor growth, leading to a significant increase of animal survival. The unique properties of CR13626 warrant its further investigation as a potential new drug candidate in glioblastoma.
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Affiliation(s)
- Chiara Galimberti
- Rottapharm Biotech SrlMonza, Italy
- PhD Program in Neuroscience, University of Milano - BicoccaMonza, Italy
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13
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Zhang L, Yang Z, Sang H, Jiang Y, Zhou M, Huang C, Huang C, Wu X, Zhang T, Zhang X, Wan S, Zhang J. Identification of imidazo[4,5-c]pyridin-2-one derivatives as novel Src family kinase inhibitors against glioblastoma. J Enzyme Inhib Med Chem 2021; 36:1541-1552. [PMID: 34238111 PMCID: PMC8274516 DOI: 10.1080/14756366.2021.1948542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Glioblastoma multiforme (GBM) is the most common and malignant primary brain tumour in the central nervous system (CNS). As the ideal targets for GBM treatment, Src family kinases (SFKs) have attracted much attention. Herein, a new series of imidazo[4,5-c]pyridin-2-one derivatives were designed and synthesised as SFK inhibitors. Compounds 1d, 1e, 1q, 1s exhibited potential Src and Fyn kinase inhibition in the submicromolar range, of which were next tested for their antiproliferative potency on four GBM cell lines. Compound 1s showed effective activity against U87, U251, T98G, and U87-EGFRvIII GBM cell lines, comparable to that of lead compound PP2. Molecular dynamics (MDs) simulation revealed the possible binding patterns of the most active compound 1s in ATP binding site of SFKs. ADME prediction suggested that 1s accord with the criteria of CNS drugs. These results led us to identify a novel SFK inhibitor as candidate for GBM treatment.
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Affiliation(s)
- Lishun Zhang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Zichao Yang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Huiting Sang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Ying Jiang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Mingfeng Zhou
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Chuan Huang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Chunhui Huang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Xiaoyun Wu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Tingting Zhang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Guangzhou, PR China
| | - Xingmei Zhang
- Department of Neurobiology, Guangdong Province Key Laboratory of Psychiatric Disorders, School of Basic Medical Sciences, Southern Medical University, Guangzhou, PR China
| | - Shanhe Wan
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
| | - Jiajie Zhang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, PR China
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14
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Garcia-Fabiani MB, Haase S, Comba A, Carney S, McClellan B, Banerjee K, Alghamri MS, Syed F, Kadiyala P, Nunez FJ, Candolfi M, Asad A, Gonzalez N, Aikins ME, Schwendeman A, Moon JJ, Lowenstein PR, Castro MG. Genetic Alterations in Gliomas Remodel the Tumor Immune Microenvironment and Impact Immune-Mediated Therapies. Front Oncol 2021; 11:631037. [PMID: 34168976 PMCID: PMC8217836 DOI: 10.3389/fonc.2021.631037] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 05/06/2021] [Indexed: 12/13/2022] Open
Abstract
High grade gliomas are malignant brain tumors that arise in the central nervous system, in patients of all ages. Currently, the standard of care, entailing surgery and chemo radiation, exhibits a survival rate of 14-17 months. Thus, there is an urgent need to develop new therapeutic strategies for these malignant brain tumors. Currently, immunotherapies represent an appealing approach to treat malignant gliomas, as the pre-clinical data has been encouraging. However, the translation of the discoveries from the bench to the bedside has not been as successful as with other types of cancer, and no long-lasting clinical benefits have been observed for glioma patients treated with immune-mediated therapies so far. This review aims to discuss our current knowledge about gliomas, their molecular particularities and the impact on the tumor immune microenvironment. Also, we discuss several murine models used to study these therapies pre-clinically and how the model selection can impact the outcomes of the approaches to be tested. Finally, we present different immunotherapy strategies being employed in clinical trials for glioma and the newest developments intended to harness the immune system against these incurable brain tumors.
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Affiliation(s)
- Maria B. Garcia-Fabiani
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Santiago Haase
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Andrea Comba
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Stephen Carney
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Brandon McClellan
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Immunology graduate program, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Kaushik Banerjee
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Mahmoud S. Alghamri
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Faisal Syed
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Padma Kadiyala
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | | | - Marianela Candolfi
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Antonela Asad
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Nazareno Gonzalez
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Marisa E. Aikins
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, United States
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, United States
| | - James J. Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, United States
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States
| | - Pedro R. Lowenstein
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Maria G. Castro
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, MI, United States
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, United States
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15
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Liu Y, Xu X, Tang H, Pan Y, Hu B, Huang G. Rosmarinic acid inhibits cell proliferation, migration, and invasion and induces apoptosis in human glioma cells. Int J Mol Med 2021; 47:67. [PMID: 33649774 PMCID: PMC7952246 DOI: 10.3892/ijmm.2021.4900] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/25/2021] [Indexed: 12/20/2022] Open
Abstract
There is a growing evidence that Fyn kinase is upregulated in glioblastoma multiforme (GBM), where it plays a key role in tumor proliferation and invasion. In the present study, the antitumor effects of rosmarinic acid (RA), a Fyn inhibitor, were explored in human‑derived U251 and U343 glioma cell lines. These cells were treated with various concentrations of RA to determine its effects on proliferation, migration, invasion, apoptosis, and gene and protein expression levels. The CCK‑8 assay revealed that RA significantly suppressed cell viability of U251 and U343 cells. Furthermore, RA significantly reduced proliferation rates, inhibited migration and invasion, and decreased the expression levels of invasion‑related factors, such as matrix metalloproteinase (MMP)‑2 and MMP‑9. TUNEL staining revealed that RA resulted in a dose‑dependent increase of U251 and U343 cell apoptosis. In line with this finding, the expression of apoptosis suppressor protein Bcl‑2 was downregulated and that of the pro‑apoptotic proteins Bax and cleaved caspase‑3 was increased. In addition, it was revealed that the phosphatidylinositol 3‑kinase (PI3K)/Akt/nuclear factor‑κB (NF‑κB) signaling pathway was involved in RA‑induced cytotoxicity in U251 and U343 cells. Collectively, the present study suggested RA as a drug candidate for the treatment of GBM.
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Affiliation(s)
- Yunsheng Liu
- Department of Neurosurgery, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Xiangping Xu
- Department of Neurosurgery, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Han Tang
- Department of Neurosurgery, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Yuchen Pan
- Department of Neurosurgery, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Bing Hu
- Department of Otolaryngology Head and Neck Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Guodong Huang
- Department of Neurosurgery, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
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16
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Comba A, Dunn PJ, Argento AE, Kadiyala P, Ventosa M, Patel P, Zamler DB, Núñez FJ, Zhao L, Castro MG, Lowenstein PR. Fyn tyrosine kinase, a downstream target of receptor tyrosine kinases, modulates antiglioma immune responses. Neuro Oncol 2021; 22:806-818. [PMID: 31950181 DOI: 10.1093/neuonc/noaa006] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND High-grade gliomas are aggressive and immunosuppressive brain tumors. Molecular mechanisms that regulate the inhibitory immune tumor microenvironment (TME) and glioma progression remain poorly understood. Fyn tyrosine kinase is a downstream target of the oncogenic receptor tyrosine kinase pathway and is overexpressed in human gliomas. Fyn's role in vivo in glioma growth remains unknown. We investigated whether Fyn regulates glioma initiation, growth and invasion. METHODS We evaluated the role of Fyn using genetically engineered mouse glioma models (GEMMs). We also generated Fyn knockdown stem cells to induce gliomas in immune-competent and immune-deficient mice (nonobese diabetic severe combined immunodeficient gamma mice [NSG], CD8-/-, CD4-/-). We analyzed molecular mechanism by RNA sequencing and bioinformatics analysis. Flow cytometry was used to characterize immune cellular infiltrates in the Fyn knockdown glioma TME. RESULTS We demonstrate that Fyn knockdown in diverse immune-competent GEMMs of glioma reduced tumor progression and significantly increased survival. Gene ontology (GO) analysis of differentially expressed genes in wild-type versus Fyn knockdown gliomas showed enrichment of GOs related to immune reactivity. However, in NSG and CD8-/- and CD4-/- immune-deficient mice, Fyn knockdown gliomas failed to show differences in survival. These data suggest that the expression of Fyn in glioma cells reduces antiglioma immune activation. Examination of glioma immune infiltrates by flow cytometry displayed reduction in the amount and activity of immune suppressive myeloid derived cells in the Fyn glioma TME. CONCLUSIONS Gliomas employ Fyn mediated mechanisms to enhance immune suppression and promote tumor progression. We propose that Fyn inhibition within glioma cells could improve the efficacy of antiglioma immunotherapies.
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Affiliation(s)
- Andrea Comba
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Patrick J Dunn
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Anna E Argento
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Padma Kadiyala
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Maria Ventosa
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Priti Patel
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Daniel B Zamler
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Felipe J Núñez
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Lili Zhao
- Department of Biostatistics, University of Michigan Medical School, Ann Arbor, Michigan
| | - Maria G Castro
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan.,Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
| | - Pedro R Lowenstein
- Department of Neurosurgery, University of Michigan Medical School, Ann Arbor, Michigan
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17
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Yu Q, Xiao W, Sun S, Sohrabi A, Liang J, Seidlits SK. Extracellular Matrix Proteins Confer Cell Adhesion-Mediated Drug Resistance Through Integrin α v in Glioblastoma Cells. Front Cell Dev Biol 2021; 9:616580. [PMID: 33834020 PMCID: PMC8021872 DOI: 10.3389/fcell.2021.616580] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/26/2021] [Indexed: 12/25/2022] Open
Abstract
Chemotherapy resistance to glioblastoma (GBM) remains an obstacle that is difficult to overcome, leading to poor prognosis of GBM patients. Many previous studies have focused on resistance mechanisms intrinsic to cancer cells; the microenvironment surrounding tumor cells has been found more recently to have significant impacts on the response to chemotherapeutic agents. Extracellular matrix (ECM) proteins may confer cell adhesion-mediated drug resistance (CAMDR). Here, expression of the ECM proteins laminin, vitronectin, and fibronectin was assessed in clinical GBM tumors using immunohistochemistry. Then, patient-derived GBM cells grown in monolayers on precoated laminin, vitronectin, or fibronectin substrates were treated with cilengitide, an integrin inhibitor, and/or carmustine, an alkylating chemotherapy. Cell adhesion and viability were quantified. Transcription factor (TF) activities were assessed over time using a bioluminescent assay in which GBM cells were transduced with lentiviruses containing consensus binding sites for specific TFs linked to expression a firefly luciferase reporter. Apoptosis, mediated by p53, was analyzed by Western blotting and immunocytofluorescence. Integrin αv activation of the FAK/paxillin/AKT signaling pathway and effects on expression of the proliferative marker Ki67 were investigated. To assess effects of integrin αv activation of AKT and ERK pathways, which are typically deregulated in GBM, and expression of epidermal growth factor receptor (EGFR), which is amplified and/or mutated in many GBM tumors, shRNA knockdown was used. Laminin, vitronectin, and fibronectin were abundant in clinical GBM tumors and promoted CAMDR in GBM cells cultured on precoated substrates. Cilengitide treatment induced cell detachment, which was most pronounced for cells cultured on vitronectin. Cilengitide treatment increased cytotoxicity of carmustine, reversing CAMDR. ECM adhesion increased activity of NFκB and decreased that of p53, leading to suppression of p53-mediated apoptosis and upregulation of multidrug resistance gene 1 (MDR1; also known as ABCB1 or P-glycoprotein). Expression of Ki67 was correlative with activation of the integrin αv-mediated FAK/paxillin/AKT signaling pathway. EGFR expression increased with integrin αv knockdown GBM cells and may represent a compensatory survival mechanism. These results indicate that ECM proteins confer CAMDR through integrin αv in GBM cells.
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Affiliation(s)
- Qi Yu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States.,Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Weikun Xiao
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States
| | - Songping Sun
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States
| | - Alireza Sohrabi
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States
| | - Jesse Liang
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States
| | - Stephanie K Seidlits
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States.,Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA, United States.,Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, United States.,Broad Stem Cell Research Center, University of California, Los Angeles, Los Angeles, CA, United States
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18
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Singh S, Meena A, Luqman S, Meena A. Acacetin and pinostrobin as a promising inhibitor of cancer-associated protein kinases. Food Chem Toxicol 2021; 151:112091. [PMID: 33647348 DOI: 10.1016/j.fct.2021.112091] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/15/2021] [Accepted: 02/19/2021] [Indexed: 02/06/2023]
Abstract
Protein kinases associated with cancer genes play vital role in angiogenesis, invasion, motility, proliferation, and survival. Therefore, cancer prevention/treatment, targeting kinases with phytochemicals could be a promising approach. Given potential of phytochemicals in modulating cancer-associated kinases, present study aims to find inhibitory prospects of selected flavonoids for cancer-chemoprevention/treatment. The molecular docking interaction analysis was done by exploring binding potential of flavonoids with kinases (PI3K, Akt, mTOR, EGFR, MAPK, MKK4, Fyn, ZAP-70, B-Raf, JAK-2, STAT-1, STAT-3, STAT-4, STAT-5, and VEGF) involved in various carcinogenesis phases. Among flavonoids acacetin showed highest binding-energy against JAK-2 following Fyn > VEGF > PI3K > MKK4 > MAPK > BRaf > STAT-5 > STAT-1 > STAT-4 whereas pinostrobin depicts higher binding-energy with JAK-2 followed by B-Raf > MKK4 > VEGF > PI3K > MAPK > STAT-1 > STAT-4 > STAT-5. Further, molecular-dynamic simulation revealed that pinostrobin interacted with JAK-2 protein with binding-energy of -25.068 ± 1.08 kJ/mol whereas acacetin interacted with both JAK-2 and Fyn with binding-energies of -23.466 ± 0.9508 kJ/mol and-8.935 ± 1.3108 kJ/mol respectively. High binding-energy, low inhibition-constant, and drug-likeness of acacetin and pinostrobin provide a clue for their usage as a JAK-2 inhibitor which could be useful for molecular/cell-target based in-vitro and in-vivo investigations.
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Affiliation(s)
- Shilpi Singh
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
| | - Ashish Meena
- Aristos Labs, 141 Stockmans Lane, BT9 7JE, Belfast, United Kingdom
| | - Suaib Luqman
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India.
| | - Abha Meena
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India.
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19
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Cao Y, Di X, Zhang Q, Li R, Wang K. RBM10 Regulates Tumor Apoptosis, Proliferation, and Metastasis. Front Oncol 2021; 11:603932. [PMID: 33718153 PMCID: PMC7943715 DOI: 10.3389/fonc.2021.603932] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 01/12/2021] [Indexed: 12/15/2022] Open
Abstract
The RNA-binding motif protein 10 (RBM10) is involved in alternative splicing and modifies mRNA post-transcriptionally. RBM10 is abnormally expressed in the lung, breast, and colorectal cancer, female genital tumors, osteosarcoma, and other malignant tumors. It can inhibit proliferation, promote apoptosis, and inhibit invasion and metastasis. RBM10 has long been considered a tumor suppressor because it promotes apoptosis through the regulation of the MDM2-p53 negative feedback loop, Bcl-2, Bax, and other apoptotic proteins and inhibits proliferation through the Notch signaling and rap1a/Akt/CREB pathways. However, it has been recently demonstrated that RBM10 can also promote cancer. Given these different views, it is necessary to summarize the research progress of RBM10 in various fields to reasonably analyze the underlying molecular mechanisms, and provide new ideas and directions for the clinical research of RBM10 in various cancer types. In this review, we provide a new perspective on the reasons for these opposing effects on cancer biology, molecular mechanisms, research progress, and clinical value of RBM10.
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Affiliation(s)
- Yingshu Cao
- Department of Respiratory Medicine, The Second Hospital of Jilin University, Changchun, China
| | - Xin Di
- Department of Respiratory Medicine, The Second Hospital of Jilin University, Changchun, China
| | - Qinghua Zhang
- Department of Respiratory Medicine, The Second Hospital of Jilin University, Changchun, China
| | - Ranwei Li
- Department of Urinary Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Ke Wang
- Department of Respiratory Medicine, The Second Hospital of Jilin University, Changchun, China
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20
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Li D, Patel CB, Xu G, Iagaru A, Zhu Z, Zhang L, Cheng Z. Visualization of Diagnostic and Therapeutic Targets in Glioma With Molecular Imaging. Front Immunol 2020; 11:592389. [PMID: 33193439 PMCID: PMC7662122 DOI: 10.3389/fimmu.2020.592389] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/08/2020] [Indexed: 02/04/2023] Open
Abstract
Gliomas, particularly high-grade gliomas including glioblastoma (GBM), represent the most common and malignant types of primary brain cancer in adults, and carry a poor prognosis. GBM has been classified into distinct subgroups over the years based on cellular morphology, clinical characteristics, biomarkers, and neuroimaging findings. Based on these classifications, differences in therapeutic response and patient outcomes have been established. Recently, the identification of complex molecular signatures of GBM has led to the development of diverse targeted therapeutic regimens and translation into multiple clinical trials. Chemical-, peptide-, antibody-, and nanoparticle-based probes have been designed to target specific molecules in gliomas and then be visualized with multimodality molecular imaging (MI) techniques including positron emission tomography (PET), single-photon emission computed tomography (SPECT), near-infrared fluorescence (NIRF), bioluminescence imaging (BLI), and magnetic resonance imaging (MRI). Thus, multiple molecules of interest can now be noninvasively imaged to guide targeted therapies with a potential survival benefit. Here, we review developments in molecular-targeted diagnosis and therapy in glioma, MI of these targets, and MI monitoring of treatment response, with a focus on the biological mechanisms of these advanced molecular probes. MI probes have the potential to noninvasively demonstrate the pathophysiologic features of glioma for diagnostic, treatment, and response assessment considerations for various targeted therapies, including immunotherapy. However, most MI tracers are in preclinical development, with only integrin αVβ3 and isocitrate dehydrogenase (IDH)-mutant MI tracers having been translated to patients. Expanded international collaborations would accelerate translational research in the field of glioma MI.
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Affiliation(s)
- Deling Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China
| | - Chirag B Patel
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, School of Medicine, Stanford University, Stanford, CA, United States.,Division of Neuro-Oncology, Department of Neurology and Neurological Sciences, School of Medicine, Stanford University, Stanford, CA, United States
| | - Guofan Xu
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, School of Medicine, Stanford University, Stanford, CA, United States
| | - Andrei Iagaru
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, School of Medicine, Stanford University, Stanford, CA, United States
| | - Zhaohui Zhu
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Beijing, China
| | - Liwei Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, China National Clinical Research Center for Neurological Diseases (NCRC-ND), Beijing, China.,Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Zhen Cheng
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, School of Medicine, Stanford University, Stanford, CA, United States
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21
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Schmoker AM, Weinert JL, Markwood JM, Albretsen KS, Lunde ML, Weir ME, Ebert AM, Hinkle KL, Ballif BA. FYN and ABL Regulate the Interaction Networks of the DCBLD Receptor Family. Mol Cell Proteomics 2020; 19:1586-1601. [PMID: 32606017 PMCID: PMC8015000 DOI: 10.1074/mcp.ra120.002163] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Indexed: 12/23/2022] Open
Abstract
The Discoidin, CUB, and LCCL domain-containing protein (DCBLD) family consists of two type-I transmembrane scaffolding receptors, DCBLD1 and DCBLD2, which play important roles in development and cancer. The nonreceptor tyrosine kinases FYN and ABL are known to drive phosphorylation of tyrosine residues in YXXP motifs within the intracellular domains of DCBLD family members, which leads to the recruitment of the Src homology 2 (SH2) domain of the adaptors CT10 regulator of kinase (CRK) and CRK-like (CRKL). We previously characterized the FYN- and ABL-driven phosphorylation of DCBLD family YXXP motifs. However, we have identified additional FYN- and ABL-dependent phosphorylation sites on DCBLD1 and DCBLD2. This suggests that beyond CRK and CRKL, additional DCBLD interactors may be regulated by FYN and ABL activity. Here, we report a quantitative proteomics approach in which we map the FYN- and ABL-regulated interactomes of DCBLD family members. We found FYN and ABL regulated the binding of several signaling molecules to DCBLD1 and DCBLD2, including members of the 14-3-3 family of adaptors. Biochemical investigation of the DCBLD2/14-3-3 interaction revealed ABL-induced binding of 14-3-3 family members directly to DCBLD2.
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Affiliation(s)
- Anna M Schmoker
- Department of Biology, University of Vermont, Marsh Life Sciences, Burlington, Vermont, USA.
| | - Jaye L Weinert
- Department of Biology, University of Vermont, Marsh Life Sciences, Burlington, Vermont, USA
| | - Jacob M Markwood
- Department of Biology, Norwich University, Northfield, Vermont, USA
| | | | - Michelle L Lunde
- Department of Biology, Norwich University, Northfield, Vermont, USA
| | - Marion E Weir
- Department of Biology, University of Vermont, Marsh Life Sciences, Burlington, Vermont, USA
| | - Alicia M Ebert
- Department of Biology, University of Vermont, Marsh Life Sciences, Burlington, Vermont, USA
| | - Karen L Hinkle
- Department of Biology, Norwich University, Northfield, Vermont, USA
| | - Bryan A Ballif
- Department of Biology, University of Vermont, Marsh Life Sciences, Burlington, Vermont, USA.
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22
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Bais SS, Chheda MG. A Fyn romance: tumor cell Fyn kinase suppresses the immune microenvironment. Neuro Oncol 2020; 22:746-747. [PMID: 32227231 DOI: 10.1093/neuonc/noaa082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Sachendra S Bais
- Department of Medicine, Washington University in St Louis, St Louis, Missouri.,Siteman Cancer Center, Washington University in St Louis, St Louis, Missouri
| | - Milan G Chheda
- Department of Medicine, Washington University in St Louis, St Louis, Missouri.,Siteman Cancer Center, Washington University in St Louis, St Louis, Missouri.,Department of Neurology, Washington University School of Medicine, St Louis, Missouri
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23
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Asad AS, Nicola Candia AJ, Gonzalez N, Zuccato CF, Seilicovich A, Candolfi M. The role of the prolactin receptor pathway in the pathogenesis of glioblastoma: what do we know so far? Expert Opin Ther Targets 2020; 24:1121-1133. [PMID: 32896197 DOI: 10.1080/14728222.2020.1821187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: Prolactin (PRL) and its receptor (PRLR) have been associated with the development of hormone-dependent tumors and have been detected in glioblastoma (GBM) biopsies. GBM is the most common and aggressive primary brain tumor in adults and the prognosis for patients is dismal; hence researchers are exploring the PRLR pathway as a therapeutic target in this disease. Areas covered: This paper explores the effects of PRLR activation on the biology of GBM, the correlation between PRL and PRLR expression and GBM progression and survival in male and female patients. Finally, we discuss how a better understanding of the PRLR pathway may allow the development of novel treatments for GBM. Expert opinion: We propose PRL and PRLR as potential prognosis biomarkers and therapeutic targets in GBM. Local administration of PRLR inhibitors using gene therapy may offer a beneficial strategy for targeting GBM cells disseminated in the non-neoplastic brain; however, efficacy and safety require careful and extensive evaluation. The data depicted herein underline the need to (i) improve our understanding of sexual dimorphism in GBM, and (ii) develop accurate preclinical models that take into consideration different hormonal contexts, specific genetic alterations, and tumor grades.
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Affiliation(s)
- Antonela S Asad
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina
| | - Alejandro J Nicola Candia
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina
| | - Nazareno Gonzalez
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina
| | - Camila F Zuccato
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina
| | - Adriana Seilicovich
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina.,departamento de Biología Celular e Histología, Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina
| | - Marianela Candolfi
- Instituto de Investigaciones Biomédicas (INBIOMED, UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires , Buenos Aires, Argentina
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24
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FYN is required for ARHGEF16 to promote proliferation and migration in colon cancer cells. Cell Death Dis 2020; 11:652. [PMID: 32811808 PMCID: PMC7435200 DOI: 10.1038/s41419-020-02830-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 12/30/2022]
Abstract
ARHGEF16 is a recently identified Rho-family guanine nucleotide exchange factor (GEF) that has been implicated in the activation of Rho-family GTPases such as Rho G, Rac, and Cdc42. However, its functions in colon cancer cell proliferation and migration are not well understood. In this study, we showed that ARHGEF16 was highly expressed in clinical specimens of colon cancer. In colon cancer cells, ARHGEF16-stimulated proliferation and migration in vitro and in vivo. Furthermore, we identified a nonreceptor tyrosine kinase, FYN, as a novel partner of ARHGEF16. Knocking down FYN expression decreased ARHGEF16 protein level in colon cancer cells. We further demonstrated that ARHGEF16-induced colon cancer cell proliferation and migration were dependent on FYN since knockdown FYN abolished the ARHGEF16-induced proliferation and migration of colon cancer cells. The FYN-ARHGEF16 axis mediates colon cancer progression and is a potential therapeutic target for colon cancer treatment.
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25
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Kant S, Kesarwani P, Guastella AR, Kumar P, Graham SF, Buelow KL, Nakano I, Chinnaiyan P. Perhexiline Demonstrates FYN-mediated Antitumor Activity in Glioblastoma. Mol Cancer Ther 2020; 19:1415-1422. [PMID: 32430486 DOI: 10.1158/1535-7163.mct-19-1047] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/16/2020] [Accepted: 04/13/2020] [Indexed: 12/18/2022]
Abstract
Glioblastoma is the most common primary malignant brain tumor in adults. Despite aggressive treatment, outcomes remain poor with few long-term survivors. Therefore, considerable effort is being made to identify novel therapies for this malignancy. Targeting tumor metabolism represents a promising therapeutic strategy and activation of fatty acid oxidation (FAO) has been identified as a central metabolic node contributing toward gliomagenesis. Perhexiline is a compound with a long clinical track record in angina treatment and commonly described as an FAO inhibitor. We therefore sought to determine whether this compound might be repurposed to serve as a novel therapy in glioblastoma. Perhexiline demonstrated potent in vitro cytotoxicity, induction of redox stress and apoptosis in a panel of glioblastoma cell lines. However, the antitumor activity of perhexiline was distinct when compared with the established FAO inhibitor etomoxir. By evaluating mitochondrial respiration and lipid dynamics in glioblastoma cells following treatment with perhexiline, we confirmed this compound did not inhibit FAO in our models. Using in silico approaches, we identified FYN as a probable target of perhexiline and validated the role of this protein in perhexiline sensitivity. We extended studies to patient samples, validating the potential of FYN to serve as therapeutic target in glioma. When evaluated in vivo, perhexiline demonstrated the capacity to cross the blood-brain barrier and antitumor activity in both flank and orthotopic glioblastoma models. Collectively, we identified potent FYN-dependent antitumor activity of perhexiline in glioblastoma, thereby, representing a promising agent to be repurposed for the treatment of this devastating malignancy.
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Affiliation(s)
- Shiva Kant
- Department of Radiation Oncology, Beaumont Health, Royal Oak, Michigan
| | - Pravin Kesarwani
- Department of Radiation Oncology, Beaumont Health, Royal Oak, Michigan
| | | | - Praveen Kumar
- Metabolomics and Obstetrics/Gynecology, Beaumont Research Institute, Beaumont Health, Royal Oak, Michigan
| | - Stewart F Graham
- Metabolomics and Obstetrics/Gynecology, Beaumont Research Institute, Beaumont Health, Royal Oak, Michigan
| | - Katie L Buelow
- Department of Radiation Oncology, Beaumont Health, Royal Oak, Michigan
| | - Ichiro Nakano
- Neurosurgery, University of Alabama at Birmingham, Birmingham, Alabama
| | - Prakash Chinnaiyan
- Department of Radiation Oncology, Beaumont Health, Royal Oak, Michigan. .,Oakland University William Beaumont School of Medicine, Royal Oak, Michigan
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26
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Greco C, Taresco V, Pearce AK, Vasey CE, Smith S, Rahman R, Alexander C, Cavanagh RJ, Musumeci F, Schenone S. Development of Pyrazolo[3,4- d]pyrimidine Kinase Inhibitors as Potential Clinical Candidates for Glioblastoma Multiforme. ACS Med Chem Lett 2020; 11:657-663. [PMID: 32435367 DOI: 10.1021/acsmedchemlett.9b00530] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 02/13/2020] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most aggressive primary brain tumor. Residual cells at the tumor margin are responsible for up to 85% of GBM recurrences after standard treatment. Despite this evidence, the identification of compounds active on this cell population is still an underexplored field. Herein, starting from the knowledge that kinases are implicated in GBM, we evaluated three in-house pyrazolo[3,4-d]pyrimidines active as Src, Fyn, and SGK1 kinase inhibitors against patient derived cell lines from either the invasive region or contrast-enhanced core of GBM. We identified our Src inhibitor, SI306, as a promising lead compound for eradicating invasive GBM cells. Furthermore, aiming at the development of a feasible oral treatment for GBM, we performed a formulation study using 2D inkjet printing to generate soluble polymer-drug dispersions. Overall, this study led to the identification of a set of polymer-formulated pyrazolo[3,4-d]pyrimidine kinase inhibitors as promising candidates for GBM preclinical efficacy studies.
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Affiliation(s)
- Chiara Greco
- Department of Pharmacy, University of Genoa, Viale Benedetto XV 3, 16132 Genoa, Italy
| | - Vincenzo Taresco
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Amanda K. Pearce
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Catherine E. Vasey
- School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Stuart Smith
- Children’s Brain Tumour Research Centre, School of Medicine, University of Nottingham, Nottingham NG7 2UH, U.K
| | - Ruman Rahman
- Children’s Brain Tumour Research Centre, School of Medicine, University of Nottingham, Nottingham NG7 2UH, U.K
| | - Cameron Alexander
- School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Robert J. Cavanagh
- School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Francesca Musumeci
- Department of Pharmacy, University of Genoa, Viale Benedetto XV 3, 16132 Genoa, Italy
| | - Silvia Schenone
- Department of Pharmacy, University of Genoa, Viale Benedetto XV 3, 16132 Genoa, Italy
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27
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Zhu Q, Guo Y, Chen S, Fu D, Li Y, Li Z, Ni C. Irinotecan Induces Autophagy-Dependent Apoptosis and Positively Regulates ROS-Related JNK- and P38-MAPK Pathways in Gastric Cancer Cells. Onco Targets Ther 2020; 13:2807-2817. [PMID: 32308415 PMCID: PMC7135144 DOI: 10.2147/ott.s240803] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 03/05/2020] [Indexed: 01/08/2023] Open
Abstract
Background Irinotecan (IRI) is considered an option for second-line treatment of advanced gastric cancer; however, acquired drug resistance currently limits its clinical application. Recently, many researchers have shown that autophagy plays a crucial role in the resistance of tumor cells to chemotherapy and radiotherapy. In this study, we investigated the relationship between autophagy and antitumor activity of IRI in gastric cancer cells. Methods We used MTT assay, flow cytometry and immunofluorescence staining to detect viability, apoptosis and autophagy in gastric cancer. Western blotting assay was used to determine the expression of LC3, Beclin-1, P62, cleaved PARP and Caspase 3. In vivo animal study was performed finally. Results We found that IRI treatment dose- and time-dependently inhibited growth and induced apoptosis in gastric cancer cells. Moreover, IRI treatment caused autophagy in these cells, whereas autophagy inhibitors—3-methyladenine (3-MA), chloroquine (CQ), and Beclin-1 small interfering RNA (siRNA)—suppressed cytotoxicity of IRI. A mechanistic analysis showed that IRI-induced autophagy and apoptosis were related to increased reactive oxygen species (ROS) accumulation and activation of the JNK- and p38-MAPK pathways. Further in vivo experiments revealed that IRI suppressed tumor growth, induced autophagy, and stimulated the JNK- and p38-MAPK pathways, whereas 3-MA attenuated these effects. Conclusion Taken together, these results indicate that IRI stimulates the ROS-related JNK- and p38-MAPK pathways to promote autophagy-dependent apoptosis. Thus, a combination of IRI with a pharmacological autophagy enhancer may be a promising therapeutic strategy against gastric cancer.
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Affiliation(s)
- Qingyun Zhu
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou 215006, People's Republic of China.,Department of Intervention, Gongli Hospital of Shanghai Pudong New Area, Shanghai 200135, People's Republic of China
| | - Yuehui Guo
- Department of Intervention, Gongli Hospital of Shanghai Pudong New Area, Shanghai 200135, People's Republic of China
| | - Shiwei Chen
- Department of Intervention, Gongli Hospital of Shanghai Pudong New Area, Shanghai 200135, People's Republic of China
| | - Daiquan Fu
- Department of Intervention, Gongli Hospital of Shanghai Pudong New Area, Shanghai 200135, People's Republic of China
| | - Yanxiang Li
- Department of Intervention, Gongli Hospital of Shanghai Pudong New Area, Shanghai 200135, People's Republic of China
| | - Zhi Li
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou 215006, People's Republic of China
| | - Caifang Ni
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou 215006, People's Republic of China
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28
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Ramezani S, Vousooghi N, Joghataei MT, Chabok SY. The Role of Kinase Signaling in Resistance to Bevacizumab Therapy for Glioblastoma Multiforme. Cancer Biother Radiopharm 2020; 34:345-354. [PMID: 31411929 DOI: 10.1089/cbr.2018.2651] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most malignant primary brain tumor and is characterized by vascular hyperplasia, necrosis, and high cell proliferation. Despite current standard therapies, including surgical resection and chemoradiotherapy, GBM patients survive for only about 15 months after diagnosis. Recently, the U.S. Food and Drug Administration (FDA) has approved an antiangiogenesis medication for recurrent GBM-bevacizumab-which has improved progression-free survival in GBM patients. Although bevacizumab has resulted in significant early clinical benefit, it inescapably predisposes tumor to relapse that can be represented as an infiltrative phenotype. Fundamentally, bevacizumab antagonizes the vascular endothelial growth factor A (VEGFA), which is consistently released on both endothelial cells (ECs) and GBM cells. Actually, VEGFA inhibition on the ECs leads to the suppression of vascular progression, permeability, and the vasogenic edema. However, the consequence of the VEGFA pathway blockage on the GBM cells remains controversial. Nevertheless, a piece of evidence supports the relationship between bevacizumab application and compensatory activation of kinase signaling within GBM cells, leading to a tumor cell invasion known as the main mechanism of bevacizumab-induced tumor resistance. A complete understanding of kinase responses associated with tumor invasion in bevacizumab-resistant GBMs offers new therapeutic opportunities. Thus, this study aimed at presenting a brief overview of preclinical and clinical data of the tumor invasion and resistance induced by bevacizumab administration in GBMs, with a focus on the kinase responses during treatment. The novel therapeutic strategies to overcome this resistance by targeting protein kinases have also been summarized.
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Affiliation(s)
- Sara Ramezani
- 1Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.,2Guilan Road Trauma Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Nasim Vousooghi
- 3Department of Neuroscience, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.,4Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran.,5Research Center for Cognitive and Behavioral Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Taghi Joghataei
- 6Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.,7Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Shahrokh Yousefzadeh Chabok
- 1Neuroscience Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.,2Guilan Road Trauma Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
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29
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Dong M, Xiao Q, Hu J, Cheng F, Zhang P, Zong W, Tang Q, Li X, Mao F, He Y, Yu X, Wan F, Lei T, Guo D, Wang B. Targeting LRIG2 overcomes resistance to EGFR inhibitor in glioblastoma by modulating GAS6/AXL/SRC signaling. Cancer Gene Ther 2020; 27:878-897. [PMID: 31988476 DOI: 10.1038/s41417-020-0163-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/21/2019] [Accepted: 01/14/2020] [Indexed: 01/18/2023]
Abstract
Epidermal growth factor receptor (EGFR) gene amplification and mutation occurs most frequently in glioblastoma (GBM). However, EGFR-tyrosine kinase inhibitors (TKIs), including gefitinib, have not yet shown clear clinical benefit and the underlying mechanisms remain largely unexplored. We previously demonstrated that LRIG2 plays a protumorigenic role and functions as a modulator of multiple oncogenic receptor tyrosine kinases (RTKs) in GBM. We therefore hypothesized that LRIG2 might mediate the resistance to EGFR inhibitor through modulating other RTK signaling. In this study, we report that LRIG2 is induced by EGFR inhibitor in gefitinib-treated GBM xenografts or cell lines and promotes resistance to EGFR inhibition by driving cell cycle progression and inhibiting apoptosis in GBM cells. Mechanistically, LRIG2 increases the secretion of growth-arrest specific 6 (GAS6) and stabilizes AXL by preventing its proteasome-mediated degradation, leading to enhancement of the gefitinib-induced activation of AXL and then reactivation of the gefitinib-inhibited SRC. Targeting LRIG2 significantly sensitizes the GBM cells to gefitinib, and inhibition of the downstream GAS6/AXL/SRC signaling abrogates LRIG2-mediated gefitinib resistance in vitro and in vivo. Collectively, our findings uncover a novel mechanism in resistance to EGFR inhibition and provide a potential therapeutic strategy to overcome resistance to EGFR inhibition in GBM.
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Affiliation(s)
- Minhai Dong
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Qungen Xiao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Jinyang Hu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Fangling Cheng
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Po Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Weifeng Zong
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Qiaoying Tang
- Department of Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Xiaopeng Li
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Feng Mao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Yue He
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Xingjiang Yu
- Department of Histology and Embryology, College of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Feng Wan
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Ting Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Dongsheng Guo
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
| | - Baofeng Wang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
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Xiao W, Wang S, Zhang R, Sohrabi A, Yu Q, Liu S, Ehsanipour A, Liang J, Bierman RD, Nathanson DA, Seidlits SK. Bioengineered scaffolds for 3D culture demonstrate extracellular matrix-mediated mechanisms of chemotherapy resistance in glioblastoma. Matrix Biol 2020; 85-86:128-146. [PMID: 31028838 PMCID: PMC6813884 DOI: 10.1016/j.matbio.2019.04.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 04/17/2019] [Accepted: 04/19/2019] [Indexed: 02/07/2023]
Abstract
Originating in the brain, glioblastoma (GBM) is a highly lethal and virtually incurable cancer, in large part because it readily develops resistance to treatments. While numerous studies have investigated mechanisms enabling GBM cells to evade chemotherapy-induced apoptosis, few have addressed how their surrounding extracellular matrix (ECM) acts to promote their survival. Here, we employed a biomaterial-based, 3D culture platform to investigate systematically how interactions between patient-derived GBM cells and the brain ECM promote resistance to alkylating chemotherapies - including temozolomide, which is used routinely in clinical practice. Scaffolds for 3D culture were fabricated from hyaluronic acid (HA) - a major structural and bioactive component of the brain ECM - and functionalized with the RGD (arginine-glycine-aspartic acid) tripeptide to provide sites for integrin engagement. Data demonstrate that cooperative engagement of CD44, through HA, and integrin αV, through RGD, facilitates resistance to alkylating chemotherapies through co-activation of Src, which inhibited downstream expression of BCL-2 family pro-apoptotic factors. In sum, a bioengineered, 3D culture platform was used to gain new mechanistic insights into how ECM in the brain tumor microenvironment promotes resistance to chemotherapy and suggests potential avenues for the development of novel, matrix-targeted combination therapies designed to suppress chemotherapy resistance in GBM.
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Affiliation(s)
- Weikun Xiao
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Shanshan Wang
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Rongyu Zhang
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Alireza Sohrabi
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Qi Yu
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Sihan Liu
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Arshia Ehsanipour
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Jesse Liang
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Rebecca D Bierman
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - David A Nathanson
- Jonsson Comprehensive Cancer Center, University of California Los Angeles, Los Angeles, CA 90095, USA; Department of Molecular and Medical Pharmacology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Stephanie K Seidlits
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Center, University of California Los Angeles, Los Angeles, CA 90095, USA; Broad Stem Cell Research Center, University of California Los Angeles, Los Angeles, CA 90095, USA; Brain Research Institute, University of California Los Angeles, Los Angeles, CA 90095, USA.
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31
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Nishikawa S, Menju T, Takahashi K, Miyata R, Sonobe M, Yoshizawa A, Date H. Prognostic Significance of Phosphorylated Fyn in Patients with Lung Adenocarcinoma after Lung Resection. Ann Thorac Cardiovasc Surg 2019; 25:246-252. [PMID: 31189776 PMCID: PMC6823168 DOI: 10.5761/atcs.oa.19-00078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Purpose: Src family tyrosine kinases, including Fyn, are non-receptor tyrosine kinases that drive malignancy in various kinds of cancers. Fyn has also been suggested to be an effector of epidermal growth factor receptor (EGFR) signaling, and is recognized as a potential therapeutic target. However, little is known about the clinical importance of phosphorylated Fyn (pFyn) in lung adenocarcinoma. The purpose of this study is to examine the prognostic significance of pFyn in this disease. Methods: A total of 282 lung adenocarcinoma specimens were collected from patients who underwent surgery at our institute. A tissue microarray was assembled from paraffin-embedded tumor blocks. pFyn expression was analyzed through immunostaining of the tissue microarray and each case was classified as positive or negative. The association of clinical information with pFyn expression was analyzed statistically. Results: pFyn was positive in 107 cases. A pFyn-positive status was significantly associated with male gender, p53 mutant, pathological stage, tumor size, plural invasion, lymphatic invasion, vascular invasion, and differentiation. pFyn positivity was associated with poor relapse-free survival (RFS; hazard ratio [HR]: 2.11, 95% confidence interval [CI]: 1.32–3.42, p <0.01) and poor overall survival (OS; HR: 1.95, 95% CI: 1.17–3.33, p = 0.01). Conclusion: pFyn expression may affect the prognosis of patients with lung adenocarcinoma after lung resection.
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Affiliation(s)
- Shigeto Nishikawa
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan
| | - Toshi Menju
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan
| | - Koji Takahashi
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan
| | - Ryo Miyata
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan
| | - Makoto Sonobe
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan
| | - Akihiko Yoshizawa
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Kyoro, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Kyoto, Japan
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Emerging Roles of the Endoplasmic Reticulum Associated Unfolded Protein Response in Cancer Cell Migration and Invasion. Cancers (Basel) 2019; 11:cancers11050631. [PMID: 31064137 PMCID: PMC6562633 DOI: 10.3390/cancers11050631] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 04/29/2019] [Accepted: 05/01/2019] [Indexed: 12/21/2022] Open
Abstract
Endoplasmic reticulum (ER) proteostasis is often altered in tumor cells due to intrinsic (oncogene expression, aneuploidy) and extrinsic (environmental) challenges. ER stress triggers the activation of an adaptive response named the Unfolded Protein Response (UPR), leading to protein translation repression, and to the improvement of ER protein folding and clearance capacity. The UPR is emerging as a key player in malignant transformation and tumor growth, impacting on most hallmarks of cancer. As such, the UPR can influence cancer cells’ migration and invasion properties. In this review, we overview the involvement of the UPR in cancer progression. We discuss its cross-talks with the cell migration and invasion machinery. Specific aspects will be covered including extracellular matrix (ECM) remodeling, modification of cell adhesion, chemo-attraction, epithelial-mesenchymal transition (EMT), modulation of signaling pathways associated with cell mobility, and cytoskeleton remodeling. The therapeutic potential of targeting the UPR to treat cancer will also be considered with specific emphasis in the impact on metastasis and tissue invasion.
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Guo S, Ran H, Xiao D, Huang H, Mi L, Wang X, Chen L, Li D, Zhang S, Han Q, Zhou T, Li A, Man J. NT5DC2 promotes tumorigenicity of glioma stem-like cells by upregulating fyn. Cancer Lett 2019; 454:98-107. [PMID: 30978441 DOI: 10.1016/j.canlet.2019.04.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 03/24/2019] [Accepted: 04/04/2019] [Indexed: 11/16/2022]
Abstract
Glioblastoma (GBM) is an incurable primary brain tumor that is highly resistant to current treatments. Glioma stem-like cells (GSCs) are an aggressive population of glioma cells that not only initiate malignant growth, but also promote therapeutic resistance. Thus, targeting GSCs is critical for improving GBM treatment and ensuring complete eradication of the tumor. Here, we show that NT5DC2 (5'-Nucleotidase Domain Containing 2), a functionally unknown protein, plays a crucial role in GSC tumor initiation via upregulating Fyn expression. NT5DC2 is preferentially expressed in GSCs relative to the non-stem tumor cells. Knockdown of NT5DC2 significantly inhibits the GSC tumorsphere formation and cell viability in vitro, and tumorigenesis in vivo, thus, prolonging animal survival. Moreover, disruption of NT5DC2 in GSCs markedly reduces the expression of Fyn, a Src family proto-oncogene that has been implicated in the regulation of GBM progression. Importantly, the expression of NT5DC2 strongly correlated with increased aggression of human gliomas, but not that of other brain tumors. Taken together, our results uncover the function of NT5DC2 in GSC maintenance and highlight NT5DC2 as a promising therapeutic target for GBM.
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Affiliation(s)
- Saisai Guo
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Haowen Ran
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Dake Xiao
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Haohao Huang
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Lanjuan Mi
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Xinzheng Wang
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Lishu Chen
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Da Li
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Songyang Zhang
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Qiuying Han
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Tao Zhou
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China
| | - Ailing Li
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China.
| | - Jianghong Man
- State Key Laboratory of Proteomics, Institute of Basic Medical Sciences, National Center of Biomedical Analysis, Beijing, 100850, China.
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Xu X, Gu H, Wang Y, Wang J, Qin P. Autoencoder Based Feature Selection Method for Classification of Anticancer Drug Response. Front Genet 2019; 10:233. [PMID: 30972101 PMCID: PMC6445890 DOI: 10.3389/fgene.2019.00233] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 03/04/2019] [Indexed: 12/14/2022] Open
Abstract
Anticancer drug responses can be varied for individual patients. This difference is mainly caused by genetic reasons, like mutations and RNA expression. Thus, these genetic features are often used to construct classification models to predict the drug response. This research focuses on the feature selection issue for the classification models. Because of the vast dimensions of the feature space for predicting drug response, the autoencoder network was first built, and a subset of inputs with the important contribution was selected. Then by using the Boruta algorithm, a further small set of features was determined for the random forest, which was used to predict drug response. Two datasets, GDSC and CCLE, were used to illustrate the efficiency of the proposed method.
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Affiliation(s)
- Xiaolu Xu
- Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China
| | - Hong Gu
- Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China
| | - Yang Wang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Jia Wang
- Department of Breast Surgery, Institute of Breast Disease, Second Hospital of Dalian Medical University, Dalian, China
| | - Pan Qin
- Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, China
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35
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Tyrosine phosphorylation activates 6-phosphogluconate dehydrogenase and promotes tumor growth and radiation resistance. Nat Commun 2019; 10:991. [PMID: 30824700 PMCID: PMC6397164 DOI: 10.1038/s41467-019-08921-8] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 02/08/2019] [Indexed: 11/12/2022] Open
Abstract
6-Phosphogluconate dehydrogenase (6PGD) is a key enzyme that converts 6-phosphogluconate into ribulose-5-phosphate with NADP+ as cofactor in the pentose phosphate pathway (PPP). 6PGD is commonly upregulated and plays important roles in many human cancers, while the mechanism underlying such roles of 6PGD remains elusive. Here we show that upon EGFR activation, 6PGD is phosphorylated at tyrosine (Y) 481 by Src family kinase Fyn. This phosphorylation enhances 6PGD activity by increasing its binding affinity to NADP+ and therefore activates the PPP for NADPH and ribose-5-phosphate, which consequently detoxifies intracellular reactive oxygen species (ROS) and accelerates DNA synthesis. Abrogating 6PGD Y481 phosphorylation (pY481) dramatically attenuates EGF-promoted glioma cell proliferation, tumor growth and resistance to ionizing radiation. In addition, 6PGD pY481 is associated with Fyn expression, the malignancy and prognosis of human glioblastoma. These findings establish a critical role of Fyn-dependent 6PGD phosphorylation in EGF-promoted tumor growth and radiation resistance. 6-phosphogluconate dehydrogenase is commonly upregulated in cancers. Here, the authors show that activation of EGFR induces phosphorylation of this enzyme at Y481 to activate the pentose phosphate pathway, which consequently reduces ROS and accelerates DNA synthesis to promote tumor growth and radioresistance.
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36
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Moncayo G, Grzmil M, Smirnova T, Zmarz P, Huber RM, Hynx D, Kohler H, Wang Y, Hotz HR, Hynes NE, Keller G, Frank S, Merlo A, Hemmings BA. SYK inhibition blocks proliferation and migration of glioma cells and modifies the tumor microenvironment. Neuro Oncol 2019; 20:621-631. [PMID: 29401256 DOI: 10.1093/neuonc/noy008] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background Glioblastoma (GBM) is one of the most aggressive human brain tumors, with a median survival of 15-18 months. There is a desperate need to find novel therapeutic targets. Various receptor protein kinases have been identified as potential targets; however, response rates in clinical studies have been somewhat disappointing. Targeting the spleen tyrosine kinase (SYK), which acts downstream of a range of oncogenic receptors, may therefore show more promising results. Methods Kinase expression of brain tumor samples including GBM and low-grade tumors were compared with normal brain and normal human astrocytes by microarray analysis. Furthermore, SYK, LYN, SLP76, and PLCG2 protein expressions were analyzed by immunohistochemistry, western blot, and immunofluorescence of additional GBM patient samples, murine glioma samples, and cell lines. SYK was then blocked chemically and genetically in vitro and in vivo in 2 different mouse models. Multiphoton intravital imaging and multicolor flow cytometry were performed in a syngeneic immunocompetent C57BL/6J mouse GL261 glioma model to study the effect of these inhibitors on the tumor microenvironment. Results SYK, LYN, SLP76, and PLCG2 were found expressed in human and murine glioma samples and cell lines. SYK inhibition blocked proliferation, migration, and colony formation. Flow cytometric and multiphoton imaging imply that targeting SYK in vivo attenuated GBM tumor growth and invasiveness and reduced B and CD11b+ cell mobility and infiltration. Conclusions Our data suggest that gliomas express a SYK signaling network important in glioma progression, inhibition of which results in reduced invasion with slower tumor progression.
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Affiliation(s)
- Gerald Moncayo
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.,Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, Panamá
| | - Michal Grzmil
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Tatiana Smirnova
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Pawel Zmarz
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Roland M Huber
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.,Novartis Pharma AG, Basel, Switzerland
| | - Debby Hynx
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Hubertus Kohler
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Yuhua Wang
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.,Novartis Pharma AG, Basel, Switzerland
| | - Hans-Rudolf Hotz
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Nancy E Hynes
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Georg Keller
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Stephan Frank
- Division of Neuropathology, Institute of Pathology, Basel University Hospitals, Basel, Switzerland
| | - Adrian Merlo
- Neurosurgery and Glioma Research, Bern, Switzerland
| | - Brian A Hemmings
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
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37
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Khani P, Nasri F, Khani Chamani F, Saeidi F, Sadri Nahand J, Tabibkhooei A, Mirzaei H. Genetic and epigenetic contribution to astrocytic gliomas pathogenesis. J Neurochem 2018; 148:188-203. [PMID: 30347482 DOI: 10.1111/jnc.14616] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 09/16/2018] [Accepted: 10/17/2018] [Indexed: 12/30/2022]
Abstract
Astrocytic gliomas are the most common and lethal form of intracranial tumors. These tumors are characterized by a significant heterogeneity in terms of cytopathological, transcriptional, and (epi)genomic features. This heterogeneity has made these cancers one of the most challenging types of cancers to study and treat. To uncover these complexities and to have better understanding of the disease initiation and progression, identification, and characterization of underlying cellular and molecular pathways related to (epi)genetics of astrocytic gliomas is crucial. Here, we discuss and summarize molecular and (epi)genetic mechanisms that provide clues as to the pathogenesis of astrocytic gliomas.
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Affiliation(s)
- Pouria Khani
- Department of Medical Genetics and Molecular Biology, Faculty of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran.,Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | - Farzad Nasri
- Department of Medical Immunology, Faculty of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Fateme Khani Chamani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzane Saeidi
- Department of Medical Genetics, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Javid Sadri Nahand
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Tabibkhooei
- Department of Neurosurgery, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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38
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KX2-361: a novel orally bioavailable small molecule dual Src/tubulin inhibitor that provides long term survival in a murine model of glioblastoma. J Neurooncol 2018; 140:519-527. [DOI: 10.1007/s11060-018-2992-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 08/27/2018] [Indexed: 10/28/2022]
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39
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Gonçalves CS, de Castro JV, Pojo M, Martins EP, Queirós S, Chautard E, Taipa R, Pires MM, Pinto AA, Pardal F, Custódia C, Faria CC, Clara C, Reis RM, Sousa N, Costa BM. WNT6 is a novel oncogenic prognostic biomarker in human glioblastoma. Theranostics 2018; 8:4805-4823. [PMID: 30279739 PMCID: PMC6160775 DOI: 10.7150/thno.25025] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 05/06/2018] [Indexed: 01/15/2023] Open
Abstract
Glioblastoma (GBM) is a universally fatal brain cancer, for which novel therapies targeting specific underlying oncogenic events are urgently needed. While the WNT pathway has been shown to be frequently activated in GBM, constituting a potential therapeutic target, the relevance of WNT6, an activator of this pathway, remains unknown. Methods: WNT6 protein and mRNA levels were evaluated in GBM. WNT6 levels were silenced or overexpressed in GBM cells to assess functional effects in vitro and in vivo. Phospho-kinase arrays and TCF/LEF reporter assays were used to identify WNT6-signaling pathways, and significant associations with stem cell features and cancer-related pathways were validated in patients. Survival analyses were performed with Cox regression and Log-rank tests. Meta-analyses were used to calculate the estimated pooled effect. Results: We show that WNT6 is significantly overexpressed in GBMs, as compared to lower-grade gliomas and normal brain, at mRNA and protein levels. Functionally, WNT6 increases typical oncogenic activities in GBM cells, including viability, proliferation, glioma stem cell capacity, invasion, migration, and resistance to temozolomide chemotherapy. Concordantly, in in vivo orthotopic GBM mice models, using both overexpressing and silencing models, WNT6 expression was associated with shorter overall survival, and increased features of tumor aggressiveness. Mechanistically, WNT6 contributes to activate typical oncogenic pathways, including Src and STAT, which intertwined with the WNT pathway may be critical effectors of WNT6-associated aggressiveness in GBM. Clinically, we establish WNT6 as an independent prognostic biomarker of shorter survival in GBM patients from several independent cohorts. Conclusion: Our findings establish WNT6 as a novel oncogene in GBM, opening opportunities to develop more rational therapies to treat this highly aggressive tumor.
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40
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Steinberg SF. Post-translational modifications at the ATP-positioning G-loop that regulate protein kinase activity. Pharmacol Res 2018; 135:181-187. [PMID: 30048755 DOI: 10.1016/j.phrs.2018.07.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 07/10/2018] [Accepted: 07/11/2018] [Indexed: 12/27/2022]
Abstract
Protein kinases are a superfamily of enzymes that control a wide range of cellular functions. These enzymes share a highly conserved catalytic core that folds into a similar bilobar three-dimensional structure. One highly conserved region in the protein kinase core is the glycine-rich loop (or G-loop), a highly flexible loop that is characterized by a consensus GxGxxG sequence. The G-loop points toward the catalytic cleft and functions to bind and position ATP for phosphotransfer. Of note, in many protein kinases, the second and third glycine residues in the G-loop triad flank residues that can be targets for phosphorylation (Ser, Thr, or Tyr) or other post-translational modifications (ubiquitination, acetylation, O-GlcNAcylation, oxidation). There is considerable evidence that cyclin-dependent kinases are held inactive through inhibitory phosphorylation of the conserved Thr/Tyr residues in this position of the G-loop and that dephosphorylation by cellular phosphatases is required for CDK activation and progression through the cell cycle. This review summarizes literature that identifies residues in or adjacent to the G-loop in other protein kinases that are targets for functionally important post-translational modifications.
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Affiliation(s)
- Susan F Steinberg
- Department of Pharmacology, College of Physicians and Surgeons, Columbia University, 630 West 168th Street, New York, NY 10032, USA.
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41
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Roos A, Dhruv HD, Peng S, Inge LJ, Tuncali S, Pineda M, Millard N, Mayo Z, Eschbacher JM, Loftus JC, Winkles JA, Tran NL. EGFRvIII-Stat5 Signaling Enhances Glioblastoma Cell Migration and Survival. Mol Cancer Res 2018; 16:1185-1195. [PMID: 29724813 DOI: 10.1158/1541-7786.mcr-18-0125] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/22/2018] [Accepted: 04/19/2018] [Indexed: 01/27/2023]
Abstract
Glioblastoma multiforme (GBM) is the most common brain malignancies in adults. Most GBM patients succumb to the disease less than 1 year after diagnosis due to the highly invasive nature of the tumor, which prevents complete surgical resection and gives rise to tumor recurrence. The invasive phenotype also confers radioresistant and chemoresistant properties to the tumor cells; therefore, there is a critical need to develop new therapeutics that target drivers of GBM invasion. Amplification of EGFR is observed in over 50% of GBM tumors, of which half concurrently overexpress the variant EGFRvIII, and expression of both receptors confers a worse prognosis. EGFR and EGFRvIII cooperate to promote tumor progression and invasion, in part, through activation of the Stat signaling pathway. Here, it is reported that EGFRvIII activates Stat5 and GBM invasion by inducing the expression of a previously established mediator of glioma cell invasion and survival: fibroblast growth factor-inducible 14 (Fn14). EGFRvIII-mediated induction of Fn14 expression is Stat5 dependent and requires activation of Src, whereas EGFR regulation of Fn14 is dependent upon Src-MEK/ERK-Stat3 activation. Notably, treatment of EGFRvIII-expressing GBM cells with the FDA-approved Stat5 inhibitor pimozide blocked Stat5 phosphorylation, Fn14 expression, and cell migration and survival. Because EGFR inhibitors display limited therapeutic efficacy in GBM patients, the EGFRvIII-Stat5-Fn14 signaling pathway represents a node of vulnerability in the invasive GBM cell populations.Implications: Targeting critical effectors in the EGFRvIII-Stat5-Fn14 pathway may limit GBM tumor dispersion, mitigate therapeutic resistance, and increase survival. Mol Cancer Res; 16(7); 1185-95. ©2018 AACR.
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Affiliation(s)
- Alison Roos
- Departments of Cancer Biology and Neurosurgery, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Harshil D Dhruv
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Sen Peng
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Landon J Inge
- Norton Thoracic Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Serdar Tuncali
- Departments of Cancer Biology and Neurosurgery, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Michael Pineda
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Nghia Millard
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Zachary Mayo
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, Arizona
| | - Jennifer M Eschbacher
- Department of Neuropathology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Joseph C Loftus
- Department of Biochemistry and Molecular Biology, Mayo Clinic Arizona, Scottsdale, Arizona
| | - Jeffrey A Winkles
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland
| | - Nhan L Tran
- Departments of Cancer Biology and Neurosurgery, Mayo Clinic Arizona, Scottsdale, Arizona.
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42
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Li K, Zhang Y, Zhang Y, Jiang W, Shen J, Xu S, Cai D, Shen J, Huang B, Li M, Song Q, Jiang Y, Liu A, Bai X. Tyrosine kinase Fyn promotes osteoarthritis by activating the β-catenin pathway. Ann Rheum Dis 2018; 77:935-943. [PMID: 29555825 DOI: 10.1136/annrheumdis-2017-212658] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 03/04/2018] [Accepted: 03/05/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVES To investigate the role of tyrosine kinase Fyn in the development of osteoarthritis (OA) and the underlying mechanisms, and to define whether targeting Fyn could prevent OA in mice. METHODS Cartilage samples from normal and aged mice were analysed with proteome-wide screening. Fyn expression was examined with immunofluorescence in human and age-dependent or experimental mouse OA cartilage samples. Experimental OA in Fyn-knockout mice was induced by destabilisation of the medial meniscus. Primary cultured mouse chondrocytes were treated with proinflammatory cytokine interleukin-1β. The inhibitor of Src kinase family, AZD0530 (saracatinib), and inhibitor of Fyn, PP1, were used to treat experimental OA in mice. RESULTS Fyn expression was markedly upregulated in human OA cartilage and in cartilage from aged mice and those with post-traumatic OA. Fyn accumulates in articular chondrocytes and interacts directly with and phosphorylates β-catenin at Tyr142, which stabilises β-catenin and promotes its nuclear translocation. The deletion of Fyn effectively delayed the development of post-traumatic and age-dependent OA in mice. Fyn inhibitors AZD0530 and PP1 significantly attenuated OA progression by blocking the β-catenin pathway and reducing the levels of extracellular matrix catabolic enzymes in the articular cartilage. CONCLUSIONS Fyn accumulates and activates β-catenin signalling in chondrocytes, accelerating the degradation of the articular cartilage and OA development. Targeting Fyn is a novel and potentially therapeutic approach to the treatment of OA.
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Affiliation(s)
- Kai Li
- Academy of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China.,State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yue Zhang
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yuwei Zhang
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Wenqing Jiang
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Junhui Shen
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Song Xu
- Department of Orthopedics and Arthroplasty, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Daozhang Cai
- Academy of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Jie Shen
- Academy of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Bin Huang
- Academy of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Mangmang Li
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Qiancheng Song
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yu Jiang
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Anling Liu
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Xiaochun Bai
- Academy of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China.,State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
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43
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Lyu SC, Han DD, Li XL, Ma J, Wu Q, Dong HM, Bai C, He Q. Fyn knockdown inhibits migration and invasion in cholangiocarcinoma through the activated AMPK/mTOR signaling pathway. Oncol Lett 2017; 15:2085-2090. [PMID: 29434909 PMCID: PMC5776937 DOI: 10.3892/ol.2017.7542] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 07/03/2017] [Indexed: 01/06/2023] Open
Abstract
Cholangiocarcinoma (CCA) is a rare and fatal tumor. In previous decades, there has been a steady increase in the incidence and mortality rates of this tumor worldwide. Metastasis is regarded as the major factor that contributes to poor prognosis in CCA patients. Studies therefore aim to develop novel therapeutic targets to control CCA metastasis. Fyn is known to enhance expression and promote metastasis in various cancers, including pancreatic cancer, prostate cancer and colorectal cancer. However, the exact function and mechanism of Fyn in CCA metastasis remains unclear. In the present study, mRNA and protein expression levels of Fyn, AMP-activated protein kinase (AMPK), phosphorylated (p-)AMPK, mammalian target of rapamycin (mTOR) and p-mTOR were measured, using the reverse transcription-quantitative polymerase chain reaction and western blot analysis, in CCA tissues and cell lines. In addition, Transwell assays were used to determine the migratory and invasive abilities of human CCA QBC939, following transfection. In the present study, it was found that Fyn was overexpressed in CCA cell lines. Fyn knockdown inhibited CCA cell migration and invasion. Furthermore, it was demonstrated that Fyn knockdown induces phosphorylation of AMPK, inhibits downstream phosphorylation of mTOR, and activate the AMPK/mTOR signaling pathway. Compound C, an AMPK inhibitor, inhibited the AMPK/mTOR signaling pathway, and reversed the effect of Fyn knockdown on migration and invasion of CCA cells. In conclusion, the present study suggests that Fyn knockdown inhibits cell migration and invasion by regulating the AMPK/mTOR signaling pathway in CCA cell lines and that Fyn knockdown is a potential target for anti-CCA therapy.
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Affiliation(s)
- Shao-Cheng Lyu
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Dong-Dong Han
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Xian-Liang Li
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Jun Ma
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Qiao Wu
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Hong-Meng Dong
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Chun Bai
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Qiang He
- Department of Hepatobiliary Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
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44
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Zhang S, Fan G, Hao Y, Hammell M, Wilkinson JE, Tonks NK. Suppression of protein tyrosine phosphatase N23 predisposes to breast tumorigenesis via activation of FYN kinase. Genes Dev 2017; 31:1939-1957. [PMID: 29066500 PMCID: PMC5710140 DOI: 10.1101/gad.304261.117] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 10/06/2017] [Indexed: 12/18/2022]
Abstract
Zhang et al. identified PTPN23 as a suppressor of cell motility and invasion in mammary epithelial and breast cancer cells. They validated the underlying mechanism of PTPN23 function in breast tumorigenesis as that of a key phosphatase that normally suppresses the activity of FYN in two different models. Disruption of the balanced modulation of reversible tyrosine phosphorylation has been implicated in the etiology of various human cancers, including breast cancer. Protein Tyrosine Phosphatase N23 (PTPN23) resides in chromosomal region 3p21.3, which is hemizygously or homozygously lost in some breast cancer patients. In a loss-of-function PTPome screen, our laboratory identified PTPN23 as a suppressor of cell motility and invasion in mammary epithelial and breast cancer cells. Now, our TCGA (The Cancer Genome Atlas) database analyses illustrate a correlation between low PTPN23 expression and poor survival in breast cancers of various subtypes. Therefore, we investigated the tumor-suppressive function of PTPN23 in an orthotopic transplantation mouse model. Suppression of PTPN23 in Comma 1Dβ cells induced breast tumors within 56 wk. In PTPN23-depleted tumors, we detected hyperphosphorylation of the autophosphorylation site tyrosine in the SRC family kinase (SFK) FYN as well as Tyr142 in β-catenin. We validated the underlying mechanism of PTPN23 function in breast tumorigenesis as that of a key phosphatase that normally suppresses the activity of FYN in two different models. We demonstrated that tumor outgrowth from PTPN23-deficient BT474 cells was suppressed in a xenograft model in vivo upon treatment with AZD0530, an SFK inhibitor. Furthermore, double knockout of FYN and PTPN23 via CRISPR/CAS9 also attenuated tumor outgrowth from PTPN23 knockout Cal51 cells. Overall, this mechanistic analysis of the tumor-suppressive function of PTPN23 in breast cancer supports the identification of FYN as a therapeutic target for breast tumors with heterozygous or homozygous loss of PTPN23.
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Affiliation(s)
- Siwei Zhang
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA.,Department of Molecular Genetics and Microbiology, Stony Brook University, Stony Brook, New York 11794, USA
| | - Gaofeng Fan
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA.,School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Yuan Hao
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
| | - Molly Hammell
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
| | - John Erby Wilkinson
- Unit for Laboratory Animal Medicine, Department of Pathology, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Nicholas K Tonks
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
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45
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Kumar S, Lu B, Davra V, Hornbeck P, Machida K, Birge RB. Crk Tyrosine Phosphorylation Regulates PDGF-BB-inducible Src Activation and Breast Tumorigenicity and Metastasis. Mol Cancer Res 2017; 16:173-183. [PMID: 28974561 DOI: 10.1158/1541-7786.mcr-17-0242] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 08/22/2017] [Accepted: 09/29/2017] [Indexed: 11/16/2022]
Abstract
The activity of Src family kinases (Src being the prototypical member) is tightly regulated by differential phosphorylation on Tyr416 (positive) and Tyr527 (negative), a duet that reciprocally regulates kinase activity. The latter negative regulation of Src on Tyr527 is mediated by C-terminal Src kinase (CSK) that phosphorylates Tyr527 and maintains Src in a clamped negative regulated state by promoting an intramolecular association. Here it is demonstrated that the SH2- and SH3-domain containing adaptor protein CrkII, by virtue of its phosphorylation on Tyr239, regulates the Csk/Src signaling axis to control Src activation. Once phosphorylated, the motif (PIpYARVIQ) forms a consensus sequence for the SH2 domain of CSK to form a pTyr239-CSK complex. Functionally, when expressed in Crk-/- MEFs or in Crk+/+ HS683 cells, Crk Y239F delayed PDGF-BB-inducible Src Tyr416 phosphorylation. Moreover, expression of Crk Y239F in HS683 cells delayed Src kinase activation and suppressed the cell-invasive and -transforming phenotypes. Finally, through loss-of-function and epistasis experiments using CRISPR-Cas9-engineered 4T1 murine breast cancer cells, Crk Tyr239 is implicated in breast cancer tumor growth and metastasis in orthotopic immunocompetent 4T1 mice model of breast adenocarcinoma. These findings delineate a novel role for Crk Tyr239 phosphorylation in the regulation of Src kinases, as well as a potential molecular explanation for a long-standing question as to how Crk regulates the activation of Src kinases.Implications: These findings provide new perspectives on the versatility of Crk in cancer by demonstrating how Crk mechanistically drives, through a tyrosine phosphorylation-dependent manner, tumor growth, and metastasis. Mol Cancer Res; 16(1); 173-83. ©2017 AACR.
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Affiliation(s)
- Sushil Kumar
- Department of Microbiology, Biochemistry and Molecular Genetics, Cancer Center, Rutgers New Jersey Medical School, Newark, New Jersey
| | - Bin Lu
- Protein Quality Control and Diseases Laboratory, Cancer Center, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Viralkumar Davra
- Department of Microbiology, Biochemistry and Molecular Genetics, Cancer Center, Rutgers New Jersey Medical School, Newark, New Jersey
| | | | - Kazuya Machida
- Raymond and Beverly Sackler Laboratory of Genetics and Molecular Medicine, Genetics and Genome Sciences, University of Connecticut School of Medicine, Farmington, Connecticut
| | - Raymond B Birge
- Department of Microbiology, Biochemistry and Molecular Genetics, Cancer Center, Rutgers New Jersey Medical School, Newark, New Jersey.
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46
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Avril T, Etcheverry A, Pineau R, Obacz J, Jegou G, Jouan F, Le Reste PJ, Hatami M, Colen RR, Carlson BL, Decker PA, Sarkaria JN, Vauléon E, Chiforeanu DC, Clavreul A, Mosser J, Chevet E, Quillien V. CD90 Expression Controls Migration and Predicts Dasatinib Response in Glioblastoma. Clin Cancer Res 2017; 23:7360-7374. [DOI: 10.1158/1078-0432.ccr-17-1549] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/13/2017] [Accepted: 09/13/2017] [Indexed: 11/16/2022]
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47
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Keller S, Schmidt MHH. EGFR and EGFRvIII Promote Angiogenesis and Cell Invasion in Glioblastoma: Combination Therapies for an Effective Treatment. Int J Mol Sci 2017. [PMID: 28629170 PMCID: PMC5486116 DOI: 10.3390/ijms18061295] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Epidermal growth factor receptor (EGFR) and the mutant EGFRvIII are major focal points in current concepts of targeted cancer therapy for glioblastoma multiforme (GBM), the most malignant primary brain tumor. The receptors participate in the key processes of tumor cell invasion and tumor-related angiogenesis and their upregulation correlates with the poor prognosis of glioma patients. Glioma cell invasion and increased angiogenesis share mechanisms of the degradation of the extracellular matrix (ECM) through upregulation of ECM-degrading proteases as well as the activation of aberrant signaling pathways. This review describes the role of EGFR and EGFRvIII in those mechanisms which might offer new combined therapeutic approaches targeting EGFR or EGFRvIII together with drug treatments against proteases of the ECM or downstream signaling to increase the inhibitory effects of mono-therapies.
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Affiliation(s)
- Stefanie Keller
- Molecular Signal Transduction Laboratories, Institute for Microscopic Anatomy and Neurobiology, Focus Program Translational Neuroscience (FTN), Rhine Mainz Neuroscience Network (rmn2), Johannes Gutenberg University, School of Medicine, 55131 Mainz, Germany.
| | - Mirko H H Schmidt
- Molecular Signal Transduction Laboratories, Institute for Microscopic Anatomy and Neurobiology, Focus Program Translational Neuroscience (FTN), Rhine Mainz Neuroscience Network (rmn2), Johannes Gutenberg University, School of Medicine, 55131 Mainz, Germany.
- German Cancer Consortium (DKTK), partner site Frankfurt/Mainz, 55131 Mainz, Germany.
- German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.
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48
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FYN expression potentiates FLT3-ITD induced STAT5 signaling in acute myeloid leukemia. Oncotarget 2017; 7:9964-74. [PMID: 26848862 PMCID: PMC4891096 DOI: 10.18632/oncotarget.7128] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 01/19/2016] [Indexed: 01/31/2023] Open
Abstract
FYN is a non-receptor tyrosine kinase belonging to the SRC family of kinases, which are frequently over-expressed in human cancers, and play key roles in cancer biology. SRC has long been recognized as an important oncogene, but little attention has been given to its other family members. In this report, we have studied the role of FYN in FLT3 signaling in respect to acute myeloid leukemia (AML). We observed that FYN displays a strong association with wild-type FLT3 as well as oncogenic FLT3-ITD and is dependent on the kinase activity of FLT3 and the SH2 domain of FYN. We identified multiple FYN binding sites in FLT3, which partially overlapped with SRC binding sites. To understand the role of FYN in FLT3 signaling, we generated FYN overexpressing cells. We observed that expression of FYN resulted in slightly enhanced phosphorylation of AKT, ERK1/2 and p38 in response to ligand stimulation. Furthermore, FYN expression led to a slight increase in FLT3-ITD-dependent cell proliferation, but potent enhancement of STAT5 phosphorylation as well as colony formation. We also observed that FYN expression is deregulated in AML patient samples and that higher expression of FYN, in combination with FLT3-ITD mutation, resulted in enrichment of the STAT5 signaling pathway and correlated with poor prognosis in AML. Taken together our data suggest that FYN cooperates with oncogenic FLT3-ITD in cellular transformation by selective activation of the STAT5 pathway. Therefore, inhibition of FYN, in combination with FLT3 inhibition, will most likely be beneficial for this group of AML patients.
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49
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Fyn kinase regulates translation in mammalian mitochondria. Biochim Biophys Acta Gen Subj 2016; 1861:533-540. [PMID: 27940153 DOI: 10.1016/j.bbagen.2016.12.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 11/22/2016] [Accepted: 12/05/2016] [Indexed: 11/24/2022]
Abstract
BACKGROUND Mitochondrial translation machinery solely exists for the synthesis of 13 mitochondrially-encoded subunits of the oxidative phosphorylation (OXPHOS) complexes in mammals. Therefore, it plays a critical role in mitochondrial energy production. However, regulation of the mitochondrial translation machinery is still poorly understood. In comprehensive proteomics studies with normal and diseased tissues and cell lines, we and others have found the majority of mitochondrial ribosomal proteins (MRPs) to be phosphorylated. Neither the kinases for these phosphorylation events nor their specific roles in mitochondrial translation are known. METHODS Mitochondrial kinases are responsible for phosphorylation of MRPs enriched from bovine mitoplasts by strong cation-exchange chromatography and identified by mass spectrometry-based proteomics analyses of kinase rich fractions. Phosphorylation of recombinant MRPs and 55S ribosomes was assessed by in vitro phosphorylation assays using the kinase-rich fractions. The effect of identified kinase on OXPHOS and mitochondrial translation was assessed by various cell biological and immunoblotting approaches. RESULTS Here, we provide the first evidence for the association of Fyn kinase, a Src family kinase, with mitochondrial translation components and its involvement in phosphorylation of 55S ribosomal proteins in vitro. Modulation of Fyn expression in human cell lines has provided a link between mitochondrial translation and energy metabolism, which was evident by the changes in 13 mitochondrially encoded subunits of OXPHOS complexes. CONCLUSIONS AND GENERAL SIGNIFICANCE Our findings suggest that Fyn kinase is part of a complex mechanism that regulates protein synthesis and OXPHOS possibly by tyrosine phosphorylation of translation components in mammalian mitochondria.
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50
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Shahi Thakuri P, Ham SL, Luker GD, Tavana H. Multiparametric Analysis of Oncology Drug Screening with Aqueous Two-Phase Tumor Spheroids. Mol Pharm 2016; 13:3724-3735. [DOI: 10.1021/acs.molpharmaceut.6b00527] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Pradip Shahi Thakuri
- Department
of Biomedical Engineering, The University of Akron, Akron, Ohio 44325 United States
| | - Stephanie L. Ham
- Department
of Biomedical Engineering, The University of Akron, Akron, Ohio 44325 United States
| | - Gary D. Luker
- Departments
of Radiology, Microbiology and Immunology, and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48105, United States
| | - Hossein Tavana
- Department
of Biomedical Engineering, The University of Akron, Akron, Ohio 44325 United States
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