1
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Spertini C, Bénéchet AP, Birch F, Bellotti A, Román-Trufero M, Arber C, Auner HW, Mitchell RA, Spertini O, Smirnova T. Macrophage migration inhibitory factor blockade reprograms macrophages and disrupts prosurvival signaling in acute myeloid leukemia. Cell Death Discov 2024; 10:157. [PMID: 38548753 PMCID: PMC10978870 DOI: 10.1038/s41420-024-01924-5] [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] [Received: 09/29/2023] [Revised: 03/14/2024] [Accepted: 03/19/2024] [Indexed: 04/01/2024] Open
Abstract
The malignant microenvironment plays a major role in the development of resistance to therapies and the occurrence of relapses in acute myeloid leukemia (AML). We previously showed that interactions of AML blasts with bone marrow macrophages (MΦ) shift their polarization towards a protumoral (M2-like) phenotype, promoting drug resistance; we demonstrated that inhibiting the colony-stimulating factor-1 receptor (CSF1R) repolarizes MΦ towards an antitumoral (M1-like) phenotype and that other factors may be involved. We investigated here macrophage migration inhibitory factor (MIF) as a target in AML blast survival and protumoral interactions with MΦ. We show that pharmacologically inhibiting MIF secreted by AML blasts results in their apoptosis. However, this effect is abrogated when blasts are co-cultured in close contact with M2-like MΦ. We next demonstrate that pharmacological inhibition of MIF secreted by MΦ, in the presence of granulocyte macrophage-colony stimulating factor (GM-CSF), efficiently reprograms MΦ to an M1-like phenotype that triggers apoptosis of interacting blasts. Furthermore, contact with reprogrammed MΦ relieves blast resistance to venetoclax and midostaurin acquired in contact with CD163+ protumoral MΦ. Using intravital imaging in mice, we also show that treatment with MIF inhibitor 4-IPP and GM-CSF profoundly affects the tumor microenvironment in vivo: it strikingly inhibits tumor vasculature, reduces protumoral MΦ, and slows down leukemia progression. Thus, our data demonstrate that MIF plays a crucial role in AML MΦ M2-like protumoral phenotype that can be reversed by inhibiting its activity and suggest the therapeutic targeting of MIF as an avenue towards improved AML treatment outcomes.
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Affiliation(s)
- Caroline Spertini
- Service and Central Laboratory of Hematology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland
| | - Alexandre P Bénéchet
- In Vivo Imaging Facility (IVIF), Department of Research and Training, Lausanne University Hospital and University of Lausanne, Lausanne, 1011, Switzerland
| | - Flora Birch
- Department of oncology UNIL-CHUV, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), 1011, Lausanne, Switzerland
- Ludwig Institute for Cancer Research Lausanne, 1015, Lausanne, Switzerland
| | - Axel Bellotti
- Service and Central Laboratory of Hematology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland
| | - Mónica Román-Trufero
- Service and Central Laboratory of Hematology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland
| | - Caroline Arber
- Service and Central Laboratory of Hematology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland
- Department of oncology UNIL-CHUV, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), 1011, Lausanne, Switzerland
- Ludwig Institute for Cancer Research Lausanne, 1015, Lausanne, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, 1011, Lausanne, Switzerland
- Service of Immuno-oncology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland
| | - Holger W Auner
- Service and Central Laboratory of Hematology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, 1011, Lausanne, Switzerland
| | - Robert A Mitchell
- Department of Surgery, Division of Immunotherapy, University of Louisville, Louisville, KY, 40202, USA
| | - Olivier Spertini
- Faculty of Biology and Medicine, University of Lausanne, 1011, Lausanne, Switzerland
| | - Tatiana Smirnova
- Service and Central Laboratory of Hematology, Lausanne University Hospital (CHUV), 1011, Lausanne, Switzerland.
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2
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Perry JR, Genenger B, Thind AS, Ashford B, Ranson M. PIK Your Poison: The Effects of Combining PI3K and CDK Inhibitors against Metastatic Cutaneous Squamous Cell Carcinoma In Vitro. Cancers (Basel) 2024; 16:370. [PMID: 38254859 PMCID: PMC10814950 DOI: 10.3390/cancers16020370] [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: 12/20/2023] [Revised: 01/10/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a very common skin malignancy with poor prognosis for patients with locally advanced or metastatic cSCC (mcSCC). PI3K/AKT/mTOR and cell cycle signalling pathways are often dysregulated in mcSCC. A combination drug approach has been theorised to overcome the underwhelming clinical performance of targeted inhibitors as single agents. This study investigates the potential of targeted inhibition of the p110α-subunit of PI3K with PIK-75 or BGT226 (P13Ki), and of CDK1/2/5/9 with dinaciclib (CDKi) as single agents and in combination. The patient-derived mcSCC cell lines, UW-CSCC1 and UW-CSCC2, were used to assess cell viability, migration, cell signalling, cell cycle distribution, and apoptosis. PIK-75, BGT226, and dinaciclib exhibited strong cytotoxic potency as single agents. Notably, the non-malignant HaCaT cell line was unaffected. In 2D cultures, PIK-75 synergistically enhanced the cytotoxic effects of dinaciclib in UW-CSCC2, but not UW-CSCC1. Interestingly, this pattern was reversed in 3D spheroid models. Despite the combination of PIK-75 and dinaciclib resulting in an increase in cell cycle arrest and apoptosis, and reduced cell motility, these differences were largely negligible compared to their single-agent counterpart. The differential responses between the cell lines correlated with driver gene mutation profiles. These findings suggest that personalised medicine approaches targeting PI3K and CDK pathways in combination may yield some benefit for mcSCC, and that more complex 3D models should be considered for drug responsiveness studies in this disease.
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Affiliation(s)
- Jay R. Perry
- School of Chemistry and Molecular Bioscience, Molecular Horizon, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; (B.G.); (A.S.T.)
| | - Benjamin Genenger
- School of Chemistry and Molecular Bioscience, Molecular Horizon, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; (B.G.); (A.S.T.)
| | - Amarinder Singh Thind
- School of Chemistry and Molecular Bioscience, Molecular Horizon, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; (B.G.); (A.S.T.)
- Illawarra Shoalhaven Local Health District, Wollongong, NSW 2500, Australia;
| | - Bruce Ashford
- Illawarra Shoalhaven Local Health District, Wollongong, NSW 2500, Australia;
- Graduate School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Marie Ranson
- School of Chemistry and Molecular Bioscience, Molecular Horizon, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; (B.G.); (A.S.T.)
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Kojima Y, Sudo K, Yoshida H, Yazaki S, Tokura M, Mizoguchi C, Okuma HS, Kita S, Yamamoto K, Nishikawa T, Noguchi E, Shimoi T, Tanase Y, Uno M, Ishikawa M, Kato T, Koyama K, Kobayashi M, Kakegawa T, Fujiwara Y, Yonemori K. Changes in HER3 expression profiles between primary and recurrent gynecological cancers. Cancer Cell Int 2023; 23:18. [PMID: 36737733 PMCID: PMC9898949 DOI: 10.1186/s12935-022-02844-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/30/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Human epidermal growth factor receptor-3 (HER3) is a member of the epidermal growth factor receptor family of receptor tyrosine kinases, and its overexpression is associated with inferior prognosis in several cancers. However, it is unclear whether HER3 expression status changes in tumor tissue at recurrence. Therefore, this study aimed to evaluate the changes in HER3 expression between primary and recurrent status in gynecological cancers. METHODS This retrospective study used matched-pair tissues of gynecological cancer patients at initial diagnosis and at recurrence. Immunohistochemical (IHC) scores of 3 + or 2 + were termed "HER3-high", while IHC scores of 1 + or 0 were designated as "HER3-low/zero". RESULTS A total of 86 patients (40 with ovarian cancers, 32 with endometrial cancers, and 14 with cervical cancers) were included in this study. In ovarian cancer, 67.5% and 80.0% of the patients received a HER3-high at initial and recurrent diagnosis, respectively. The H-score was significantly increased at recurrence (p = 0.004). The proportion of HER3-high endometrial cancer patients increased from 46.9% at initial diagnosis to 68.8% at recurrence, and the H-score tended to increase at recurrence (p = 0.08). The fraction of HER3-high-rated cervical cancer patients remained unchanged at 85.7% both at initial and recurrent diagnosis. The discordance rate of HER3 expression detection in initial and recurrent diagnosis samples was 27.5%, 53.1%, and 14.3% for ovarian, endometrial, and cervical cancers, respectively. Ovarian and endometrial cancers with a HER3-high recurrent score tended to show shorter median survival time than those with a HER3-low/zero recurrent rating. CONCLUSION Our findings suggest that, in main types of gynecological cancers, the proportion of patients having a HER3-high score increased from initial to recurrent diagnosis.
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Affiliation(s)
- Yuki Kojima
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Kazuki Sudo
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Hiroshi Yoshida
- grid.272242.30000 0001 2168 5385Department of Diagnostic Pathology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Shu Yazaki
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Momoko Tokura
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Chiharu Mizoguchi
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Hitomi S. Okuma
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Shosuke Kita
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Kasumi Yamamoto
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Tadaaki Nishikawa
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Emi Noguchi
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Tatsunori Shimoi
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Yasuhito Tanase
- grid.272242.30000 0001 2168 5385Department of Gynecology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Masaya Uno
- grid.272242.30000 0001 2168 5385Department of Gynecology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Mitsuya Ishikawa
- grid.272242.30000 0001 2168 5385Department of Gynecology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Tomoyasu Kato
- grid.272242.30000 0001 2168 5385Department of Gynecology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Kumiko Koyama
- grid.410844.d0000 0004 4911 4738Translational Science Department I, Daiichi Sankyo Co., Ltd., 1-2-58, Hiromachi, Shinagawa-Ku, Tokyo, 140-8710 Japan
| | - Maki Kobayashi
- grid.410844.d0000 0004 4911 4738Translational Research Department, Daiichi Sankyo RD Novare Co., Ltd., 1-16-13, Kitakasai, Edogawa-Ku, Tokyo, 134-8630 Japan
| | - Tomoya Kakegawa
- grid.410844.d0000 0004 4911 4738Translational Research Department, Daiichi Sankyo RD Novare Co., Ltd., 1-16-13, Kitakasai, Edogawa-Ku, Tokyo, 134-8630 Japan
| | - Yasuhiro Fujiwara
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
| | - Kan Yonemori
- grid.272242.30000 0001 2168 5385Department of Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-Ku, Tokyo, 104-0045 Japan
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Chang CS, Shim JI, Byeon SJ, Lee EJ, Lee YY, Kim TJ, Lee JW, Kim BG, Choi CH. Prognostic Significance of HER3 Expression in Patients with Cervical Cancer. Cancers (Basel) 2022; 14:cancers14092139. [PMID: 35565268 PMCID: PMC9104480 DOI: 10.3390/cancers14092139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/21/2022] [Accepted: 04/23/2022] [Indexed: 12/30/2022] Open
Abstract
HER3 has been recognized to have an oncogenic role in various types of cancer. However, its prognostic significance has not been elucidated in cervical cancer. The aim of this study was to investigate the prognostic significance of HER3 expression in cervical cancer using immunohistochemistry (IHC). HER3 immunohistochemical staining was performed on the tumor tissue samples of 336 cervical cancer patients. The association between the clinicopathological characteristics and patient survival analysis was assessed according to HER3 expression. HER3 IHC staining was positive in 31.0% (104/336) of the cervical cancer patients. A higher proportion of adeno-/adenosquamous carcinoma was observed in the HER3-positive group (34.6%) than in the HER3-negative group (18.8%). In survival analysis, HER3 expression was significantly associated with poorer disease-free survival (DFS) and overall survival (OS) (p < 0.001 and p = 0.002, respectively). Multivariate analysis also indicated that HER3 expression was an independent prognostic factor for DFS (hazard ratio (HR) = 2.58, 95% confidence interval (CI) 1.42−4.67, p = 0.002) and OS (HR = 3.21, 95% CI, 1.26−8.14, p = 0.014). HER3 protein expression was a poor prognostic factor of survival in patients with cervical cancer. This finding could help to provide individualized management for these patients.
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Affiliation(s)
- Chi-Son Chang
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Jung In Shim
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Sun-Ju Byeon
- Department of Pathology, Hallym University Dongtan Sacred Heart Hospital, Hwasung 18450, Korea;
| | - Eun Jin Lee
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Yoo-Young Lee
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Tae-Joong Kim
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Jeong-Won Lee
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Byoung-Gie Kim
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
| | - Chel Hun Choi
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea; (C.-S.C.); (J.I.S.); (E.J.L.); (Y.-Y.L.); (T.-J.K.); (J.-W.L.); (B.-G.K.)
- Correspondence: ; Tel.: +82-2-3410-3545; Fax: +82-2-3410-0630
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5
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Role of glycosyltransferases in carcinogenesis; growth factor signaling and EMT/MET programs. Glycoconj J 2022; 39:167-176. [PMID: 35089466 PMCID: PMC8795723 DOI: 10.1007/s10719-022-10041-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 02/06/2023]
Abstract
The glycosylation of cell surface receptors has been shown to regulate each step of signal transduction, including receptor trafficking to the cell surface, ligand binding, dimerization, phosphorylation, and endocytosis. In this review we focus on the role of glycosyltransferases that are involved in the modification of N-glycans, such as the effect of branching and elongation in signaling by various cell surface receptors. In addition, the role of those enzymes in the EMT/MET programs, as related to differentiation and cancer development, progress and therapy resistance is discussed.
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6
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Coniglio SJ, Segall JE. Microglial-stimulation of glioma invasion involves the EGFR ligand amphiregulin. PLoS One 2021; 16:e0260252. [PMID: 34843542 PMCID: PMC8629255 DOI: 10.1371/journal.pone.0260252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 11/05/2021] [Indexed: 12/13/2022] Open
Abstract
High grade glioma is one of the deadliest human cancers with a median survival rate of only one year following diagnosis. The highly motile and invasive nature of high grade glioma makes it difficult to completely remove surgically. Therefore, increasing our knowledge of the mechanisms glioma cells use to invade normal brain is of critical importance in designing novel therapies. It was previously shown by our laboratory that tumor-associated microglia (TAMs) stimulate glioma cell invasion and this process is dependent on CSF-1R signaling. In this study, we seek to identify pro-invasive factors that are upregulated in microglia in a CSF-1R-dependent manner. We assayed cDNA and protein from microglia treated with conditioned media from the murine glioma cell line GL261, and discovered that several EGFR ligands including amphiregulin (AREG) are strongly upregulated. This upregulation is blocked by addition of a pharmacological CSF-1R inhibitor. Using RNA interference, we show that AREG-depleted microglia are less effective at promoting invasion of GL261 cells into Matrigel-coated invasion chambers. In addition, an AREG blocking antibody strongly attenuates the ability of THP-1 macrophages to activate human glioma cell line U87 invasion. Furthermore, we have identified a signaling pathway which involves CSF-1 signaling through ERK to upregulate AREG expression in microglia. Interfering with ERK using pharmacological inhibitors prevents AREG upregulation in microglia and microglia-stimulated GL261 invasion. These data highlight AREG as a key factor in produced by tumor associated microglia in promoting glioma invasion.
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Affiliation(s)
- Salvatore J. Coniglio
- New Jersey Center for Science Technology and Mathematics, Kean University, Union, NJ, United States of America
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States of America
| | - Jeffrey E. Segall
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States of America
- Gruss Lipper Biophotonics Center, Bronx, NY, United States of America
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7
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Hanker AB, Brown BP, Meiler J, Marín A, Jayanthan HS, Ye D, Lin CC, Akamatsu H, Lee KM, Chatterjee S, Sudhan DR, Servetto A, Brewer MR, Koch JP, Sheehan JH, He J, Lalani AS, Arteaga CL. Co-occurring gain-of-function mutations in HER2 and HER3 modulate HER2/HER3 activation, oncogenesis, and HER2 inhibitor sensitivity. Cancer Cell 2021; 39:1099-1114.e8. [PMID: 34171264 PMCID: PMC8355076 DOI: 10.1016/j.ccell.2021.06.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 02/28/2021] [Accepted: 06/02/2021] [Indexed: 12/24/2022]
Abstract
Activating mutations in HER2 (ERBB2) drive the growth of a subset of breast and other cancers and tend to co-occur with HER3 (ERBB3) missense mutations. The HER2 tyrosine kinase inhibitor neratinib has shown clinical activity against HER2-mutant tumors. To characterize the role of HER3 mutations in HER2-mutant tumors, we integrate computational structural modeling with biochemical and cell biological analyses. Computational modeling predicts that the frequent HER3E928G kinase domain mutation enhances the affinity of HER2/HER3 and reduces binding of HER2 to its inhibitor neratinib. Co-expression of mutant HER2/HER3 enhances HER2/HER3 co-immunoprecipitation and ligand-independent activation of HER2/HER3 and PI3K/AKT, resulting in enhanced growth, invasiveness, and resistance to HER2-targeted therapies, which can be reversed by combined treatment with PI3Kα inhibitors. Our results provide a mechanistic rationale for the evolutionary selection of co-occurring HER2/HER3 mutations and the recent clinical observations that HER3 mutations are associated with a poor response to neratinib in HER2-mutant cancers.
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MESH Headings
- Aminopyridines/administration & dosage
- Animals
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Breast Neoplasms/drug therapy
- Breast Neoplasms/genetics
- Breast Neoplasms/pathology
- Cell Line, Tumor
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Female
- Gain of Function Mutation
- Humans
- Mice, Nude
- Molecular Docking Simulation
- Molecular Dynamics Simulation
- Morpholines/administration & dosage
- Phosphatidylinositol 3-Kinases/metabolism
- Phosphoinositide-3 Kinase Inhibitors/administration & dosage
- Protein Multimerization
- Quinolines/administration & dosage
- Quinolines/chemistry
- Quinolines/metabolism
- Quinolines/pharmacology
- Receptor, ErbB-2/antagonists & inhibitors
- Receptor, ErbB-2/chemistry
- Receptor, ErbB-2/genetics
- Receptor, ErbB-2/metabolism
- Receptor, ErbB-3/chemistry
- Receptor, ErbB-3/genetics
- Receptor, ErbB-3/metabolism
- Trastuzumab/pharmacology
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
- Ariella B Hanker
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA; Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Benjamin P Brown
- Chemical and Physical Biology Program, Center for Structural Biology, and Medical Scientist Training Program, Vanderbilt University, Nashville, TN 37240, USA
| | - Jens Meiler
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA; Institute for Drug Discovery, Leipzig University Medical School, Leipzig, SAC 04103, Germany
| | - Arnaldo Marín
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA; Doctoral Program in Medical Sciences, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
| | - Harikrishna S Jayanthan
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
| | - Dan Ye
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA
| | - Chang-Ching Lin
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA
| | - Hiroaki Akamatsu
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA
| | - Kyung-Min Lee
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA; Department of Life Sciences, College of Natural Science, Hanyang University, Seoul 04736, Republic of Korea
| | - Sumanta Chatterjee
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA
| | - Dhivya R Sudhan
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA
| | - Alberto Servetto
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA
| | - Monica Red Brewer
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
| | - James P Koch
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Jonathan H Sheehan
- Division of Infectious Diseases, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jie He
- Foundation Medicine, Cambridge, MA 02141, USA
| | | | - Carlos L Arteaga
- UTSW Simmons Comprehensive Cancer Center, Dallas, 5323 Harry Hines Boulevard, TX 75390, USA; Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA
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8
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Meng D, Pan H, Chen Y, Ding J, Dai Y. Roles and mechanisms of NRG1 in modulating the pathogenesis of NAFLD through ErbB3 signaling in hepatocytes (NRG1 modulates NAFLD through ErbB3 signaling). Obes Res Clin Pract 2021; 15:145-151. [PMID: 33541789 DOI: 10.1016/j.orcp.2021.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 12/08/2020] [Accepted: 01/04/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is an emerging chronic liver disease. However, the underlying mechanisms remained poorly understood. Neuregulin (NRG) family participate in energy metabolism, and might be related to NAFLD. METHODS L02 cells were exposed to oleic acid to establish a cellular model of NAFLD. We analyzed the NAFLD cells with NRG1 and subsequent ErbB3 siRNA treatment. Cellular total lipid was stained by Oil Red O, while triglyceride content and inflammation markers were measured by enzymatic kits. The expressions of down-stream molecules were evaluated by western blot. RESULTS In vitro, NRG1 could alleviate the steatosis of NAFLD, and inhibit the expression of IL-6 and TNF-α. The downregulation of ErbB3 aggravated steatosis, improved the levels of triglyceride, IL-6 and TNF-α in NRG1-treated NAFLD. Moreover, NRG1 treatment up-regulated ErbB3 phosphorylation, and increased the expression of PI3K and phosphorylation-AKT. When NRG1-treated NAFLD cells were transfected with ErbB3 siRNA, the expressions of ErbB3, p-ErbB3, p-AKT and PI3K were all reduced. CONCLUSION NRG1 might play a protective role in the pathogenesis of NAFLD through ErbB3 phosphorylation to modulate the activation of PI3K-AKT pathway. The findings will expand the understanding of the mechanisms of NAFLD, and provide potential therapeutic targets.
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Affiliation(s)
- Di Meng
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang, China
| | - Hongying Pan
- Department of Infectious Diseases, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China
| | - Youwei Chen
- Department of Gastroenterology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China
| | - Jiexia Ding
- Department of Infectious Diseases, Affiliated Hangzhou First People's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yining Dai
- Department of Infectious Diseases, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China.
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9
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Sugiyama MG, Fairn GD, Antonescu CN. Akt-ing Up Just About Everywhere: Compartment-Specific Akt Activation and Function in Receptor Tyrosine Kinase Signaling. Front Cell Dev Biol 2019; 7:70. [PMID: 31131274 PMCID: PMC6509475 DOI: 10.3389/fcell.2019.00070] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 04/09/2019] [Indexed: 12/12/2022] Open
Abstract
The serine/threonine kinase Akt is a master regulator of many diverse cellular functions, including survival, growth, metabolism, migration, and differentiation. Receptor tyrosine kinases are critical regulators of Akt, as a result of activation of phosphatidylinositol-3-kinase (PI3K) signaling leading to Akt activation upon receptor stimulation. The signaling axis formed by receptor tyrosine kinases, PI3K and Akt, as well as the vast range of downstream substrates is thus central to control of cell physiology in many different contexts and tissues. This axis must be tightly regulated, as disruption of PI3K-Akt signaling underlies the pathology of many diseases such as cancer and diabetes. This sophisticated regulation of PI3K-Akt signaling is due in part to the spatial and temporal compartmentalization of Akt activation and function, including in specific nanoscale domains of the plasma membrane as well as in specific intracellular membrane compartments. Here, we review the evidence for localized activation of PI3K-Akt signaling by receptor tyrosine kinases in various specific cellular compartments, as well as that of compartment-specific functions of Akt leading to control of several fundamental cellular processes. This spatial and temporal control of Akt activation and function occurs by a large number of parallel molecular mechanisms that are central to regulation of cell physiology.
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Affiliation(s)
- Michael G. Sugiyama
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON, Canada
| | - Gregory D. Fairn
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON, Canada
- Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Costin N. Antonescu
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON, Canada
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10
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Jiang W, Ji M. Receptor tyrosine kinases in PI3K signaling: The therapeutic targets in cancer. Semin Cancer Biol 2019; 59:3-22. [PMID: 30943434 DOI: 10.1016/j.semcancer.2019.03.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 03/09/2019] [Accepted: 03/28/2019] [Indexed: 12/17/2022]
Abstract
The phosphoinositide 3-kinase (PI3K) pathway, one of the most commonly activated signaling pathways in human cancers, plays a crucial role in the regulation of cell proliferation, differentiation, and survival. This pathway is usually activated by receptor tyrosine kinases (RTKs), whose constitutive and aberrant activation is via gain-of-function mutations, chromosomal rearrangement, gene amplification and autocrine. Blockage of PI3K pathway by targeted therapy on RTKs with tyrosine kinases inhibitors (TKIs) and monoclonal antibodies (mAbs) has achieved great progress in past decades; however, there still remain big challenges during their clinical application. In this review, we provide an overview about the most frequently encountered alterations in RTKs and focus on current therapeutic agents developed to counteract their aberrant functions, accompanied with discussions of two major challenges to the RTKs-targeted therapy in cancer - resistance and toxicity.
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Affiliation(s)
- Wei Jiang
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, PR China; Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, PR China
| | - Meiju Ji
- Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, PR China; Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, PR China.
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11
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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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12
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Regulatory mechanisms of miR-145 expression and the importance of its function in cancer metastasis. Biomed Pharmacother 2018; 109:195-207. [PMID: 30396077 DOI: 10.1016/j.biopha.2018.10.037] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 10/05/2018] [Accepted: 10/09/2018] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs are post-transcriptional mediators of gene expression and regulation, which play influential roles in tumorigenesis and cancer metastasis. The expression of tumor suppressor miR-145 is reduced in various cancer cell lines, containing both solid tumors and blood malignancies. However, the responsible mechanisms of its down-regulation are a complicated network. miR-145 is potentially able to inhbit tumor cell metastasis by targeting of multiple oncogenes, including MUC1, FSCN1, Vimentin, Cadherin, Fibronectin, Metadherin, GOLM1, ARF6, SMAD3, MMP11, Snail1, ZEB1/2, HIF-1α and Rock-1. This distinctive role of miR-145 in the regulation of metastasis-related gene expression may introduce miR-145 as an ideal candidate for controlling of cancer metastasis by miRNA replacement therapy. The present review aims to discuss the current understanding of the different aspects of molecular mechanisms of miR-145 regulation as well as its role in r metastasis regulation.
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13
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Keup C, Mach P, Aktas B, Tewes M, Kolberg HC, Hauch S, Sprenger-Haussels M, Kimmig R, Kasimir-Bauer S. RNA Profiles of Circulating Tumor Cells and Extracellular Vesicles for Therapy Stratification of Metastatic Breast Cancer Patients. Clin Chem 2018; 64:1054-1062. [DOI: 10.1373/clinchem.2017.283531] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 04/27/2018] [Indexed: 12/16/2022]
Abstract
Abstract
BACKGROUND
Liquid biopsies are discussed to provide surrogate markers for therapy stratification and monitoring. We compared messenger RNA (mRNA) profiles of circulating tumor cells (CTCs) and extracellular vesicles (EVs) in patients with metastatic breast cancer (MBC) to estimate their utility in therapy management.
METHODS
Blood was collected from 35 hormone receptor-positive/HER2-negative patients with MBC at the time of disease progression and at 2 consecutive staging time points. CTCs were isolated from 5 mL of blood by positive immunomagnetic selection, and EVs from 4 mL of plasma by a membrane affinity-based procedure. mRNA was reverse transcribed, preamplified, and analyzed for 18 genes by multimarker quantitative polymerase chain reaction (qPCR) assays. RNA profiles were normalized to healthy donor controls (n = 20), and results were correlated with therapy outcome.
RESULTS
There were great differences in mRNA profiles of EVs and CTCs, with only 5% (21/403) of positive signals identical in both fractions. Transcripts involved in the PI3K signaling pathway were frequently overexpressed in CTCs, and AURKA, PARP1, and SRC signals appeared more often in EVs. Of all patients, 40% and 34% showed ERBB2 and ERBB3 signals, respectively, in CTCs, which was significantly associated with disease progression (P = 0.007). Whereas MTOR signals in CTCs significantly correlated with response (P = 0.046), signals in EVs indicated therapy failure (P = 0.011). The presence of AURKA signals in EVs seemed to be a marker for the indication of unsuccessful treatment of bone metastasis.
CONCLUSIONS
These results emphasize the potential of CTCs and EVs for therapy monitoring and the need for critical evaluation of the implementation of any liquid biopsy in clinical practice.
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Affiliation(s)
- Corinna Keup
- Department of Gynecology and Obstetrics, University Hospital of Essen, Germany
| | - Pawel Mach
- Department of Gynecology and Obstetrics, University Hospital of Essen, Germany
| | - Bahriye Aktas
- Department of Gynecology and Obstetrics, University Hospital of Essen, Germany
- Department of Gynecology, University Hospital of Leipzig, Germany
| | - Mitra Tewes
- Department of Internal Medicine (Cancer Research), University Hospital of Essen, Germany
| | | | | | | | - Rainer Kimmig
- Department of Gynecology and Obstetrics, University Hospital of Essen, Germany
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14
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Tiong KH, Tan BS, Choo HL, Chung FFL, Hii LW, Tan SH, Khor NTW, Wong SF, See SJ, Tan YF, Rosli R, Cheong SK, Leong CO. Fibroblast growth factor receptor 4 (FGFR4) and fibroblast growth factor 19 (FGF19) autocrine enhance breast cancer cells survival. Oncotarget 2018; 7:57633-57650. [PMID: 27192118 PMCID: PMC5295378 DOI: 10.18632/oncotarget.9328] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 04/26/2016] [Indexed: 12/27/2022] Open
Abstract
Basal-like breast cancer is an aggressive tumor subtype with poor prognosis. The discovery of underlying mechanisms mediating tumor cell survival, and the development of novel agents to target these pathways, is a priority for patients with basal-like breast cancer. From a functional screen to identify key drivers of basal-like breast cancer cell growth, we identified fibroblast growth factor receptor 4 (FGFR4) as a potential mediator of cell survival. We found that FGFR4 mediates cancer cell survival predominantly via activation of PI3K/AKT. Importantly, a subset of basal-like breast cancer cells also secrete fibroblast growth factor 19 (FGF19), a canonical ligand specific for FGFR4. siRNA-mediated silencing of FGF19 or neutralization of extracellular FGF19 by anti-FGF19 antibody (1A6) decreases AKT phosphorylation, suppresses cancer cell growth and enhances doxorubicin sensitivity only in the FGFR4+/FGF19+ breast cancer cells. Consistently, FGFR4/FGF19 co-expression was also observed in 82 out of 287 (28.6%) primary breast tumors, and their expression is strongly associated with AKT phosphorylation, Ki-67 staining, higher tumor stage and basal-like phenotype. In summary, our results demonstrated the presence of an FGFR4/FGF19 autocrine signaling that mediates the survival of a subset of basal-like breast cancer cells and suggest that inactivation of this autocrine loop may potentially serve as a novel therapeutic intervention for future treatment of breast cancers.
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Affiliation(s)
- Kai Hung Tiong
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Oral Cancer Research and Coordinating Center (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Cancer Research Initiatives Foundation, Sime Darby Medical Centre, Subang Jaya, Malaysia
| | - Boon Shing Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan
| | - Heng Lungh Choo
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Felicia Fei-Lei Chung
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Ling-Wei Hii
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Si Hoey Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Nelson Tze Woei Khor
- School of Medicine, Faculty of Medical and Health Sciences, The University of Auckland, New Zealand
| | - Shew Fung Wong
- School of Medicine, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Sze-Jia See
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Yuen-Fen Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Rozita Rosli
- UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Soon-Keng Cheong
- Faculty of Medicine and Health Sciences, University Tunku Abdul Rahman, Bandar Sungai Long, Selangor, Malaysia
| | - Chee-Onn Leong
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
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15
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Smirnova T, Bonapace L, MacDonald G, Kondo S, Wyckoff J, Ebersbach H, Fayard B, Doelemeyer A, Coissieux MM, Heideman MR, Bentires-Alj M, Hynes NE. Serpin E2 promotes breast cancer metastasis by remodeling the tumor matrix and polarizing tumor associated macrophages. Oncotarget 2018; 7:82289-82304. [PMID: 27793045 PMCID: PMC5347692 DOI: 10.18632/oncotarget.12927] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 10/19/2016] [Indexed: 12/26/2022] Open
Abstract
The extracellular serine protease inhibitor serpinE2 is overexpressed in breast cancer and has been shown to foster metastatic spread. Here, we investigated the hypothesis that serpinE2 creates tumor-promoting conditions in the tumor microenvironment (TME) by affecting extracellular matrix remodeling. Using two different breast cancer models, we show that blocking serpinE2, either by knock-down (KD) in tumor cells or in response to a serpinE2 binding antibody, decreases metastatic dissemination from primary tumors to the lungs. We demonstrate that in response to serpinE2 KD or antibody treatment there are dramatic changes in the TME. Multiphoton intravital imaging revealed deposition of a dense extracellular collagen I matrix encapsulating serpinE2 KD or antibody-treated tumors. This is accompanied by a reduction in the population of tumor-promoting macrophages, as well as a decrease in chemokine ligand 2, which is known to affect macrophage abundance and polarization. In addition, TIMP-1 secretion is increased, which may directly inhibit matrix metalloproteases critical for collagen degradation in the tumor. In summary, our findings suggest that serpinE2 is required in the extracellular milieu of tumors where it acts in multiple ways to regulate tumor matrix deposition, thereby controlling tumor cell dissemination.
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Affiliation(s)
- Tatiana Smirnova
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Laura Bonapace
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Gwen MacDonald
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Shunya Kondo
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Jeffrey Wyckoff
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.,Koch Institute for Integrated Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | - Bérengère Fayard
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Arno Doelemeyer
- Novartis Institute for Biomedical Research, Basel, Switzerland
| | | | - Marinus R Heideman
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | | | - Nancy E Hynes
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.,University of Basel, Basel, Switzerland
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16
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Fatty acid synthase affects expression of ErbB receptors in epithelial to mesenchymal transition of breast cancer cells and invasive ductal carcinoma. Oncol Lett 2017; 14:5934-5946. [PMID: 29113229 PMCID: PMC5661422 DOI: 10.3892/ol.2017.6954] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Accepted: 06/09/2017] [Indexed: 02/05/2023] Open
Abstract
The aim of the present study was to investigate changes in the expression of ErbBs during epithelial-mesenchymal transition (EMT) of breast cancer cells and its association with the expression of fatty acid synthase (FASN). MCF-7-MEK5 cells were used as the experimental model, while MCF-7 cells were used as a control. Tumor cells were implanted into nude mice for in vivo analysis. Cerulenin was used as a FASN inhibitor. Reverse transcription-polymerase chain reaction and western blot analysis were used to detect expression levels of FASN and ErbB1-4. Immunohistochemistry was used to detect the expression of FASN and ErbB1-4 in 58 invasive ductal carcinomas (IDC), as well as their association with clinicopathological characteristics. The expression of FASN and ErbB1-4 in MCF-7-MEK5 cells and tumor tissues increased significantly compared with controls (P<0.001). Inhibition of FASN by cerulenin resulted in a significant decrease in expression of ErbB1, 2 and 4 (P<0.001), whereas there was no evident change in ErbB3. In IDC samples, the expression of FASN and ErbB1-4 increased considerably in lymph node metastases compared with non-lymph node metastases (P<0.05). ErbB2 expression increased in advanced clinical stages (II, III and IV) of IDC and in tumors with larger diameters (P<0.05). The expression of ErbB3 increased in ER-positive tumors (P<0.05). Additionally, a positive association between the expression of FASN and ErbB1, 2 and 4 was observed (P<0.05). FASN activates ErbB1, 2 and 4, and their dimers, which are polymerized via the microstructural domain of the cell membrane. This may initiate EMT and consequentlyincrease the invasion and migration of cancer cells. However, ErbB3 may also affect tumor progression via a FASN-independent pathway.
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17
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N-glycans of growth factor receptors: their role in receptor function and disease implications. Clin Sci (Lond) 2017; 130:1781-92. [PMID: 27612953 DOI: 10.1042/cs20160273] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 07/08/2016] [Indexed: 11/17/2022]
Abstract
Numerous signal-transduction-related molecules are secreted proteins or membrane proteins, and the mechanism by which these molecules are regulated by glycan chains is a very important issue for developing an understanding of the cellular events that transpire. This review covers the functional regulation of epidermal growth factor receptor (EGFR), ErbB3 and the transforming growth factor β (TGF-β) receptor by N-glycans. This review shows that the N-glycans play important roles in regulating protein conformation and interactions with carbohydrate recognition molecules. These results point to the possibility of a novel strategy for controlling cell signalling and developing novel glycan-based therapeutics.
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18
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Li Q, Zhang R, Yan H, Zhao P, Wu L, Wang H, Li T, Cao B. Prognostic significance of HER3 in patients with malignant solid tumors. Oncotarget 2017; 8:67140-67151. [PMID: 28978022 PMCID: PMC5620162 DOI: 10.18632/oncotarget.18007] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 03/21/2017] [Indexed: 02/02/2023] Open
Abstract
Human epidermal growth factor receptor 3 (HER3) is closely involved in tumor progression and is an important target of therapy. To evaluate the prognostic significance of HER3 in malignant solid tumors, we searched the PUBMED, EMBASE and CNKI databases for relevant studies written in English or Chinese up to December 2015. Fifteen studies comprising 2964 patients were identified. The HER3+ rate ranged from 9.0-75.1 % in malignant solid tumors: 30.3-75.1 % in breast cancers, 51.1-74.5 % in colorectal cancers, 13.7-59.0 % in gastric cancers, and 54.5-74.4 % in cervical cancers. For patients with a malignant solid tumor, the death risk was higher for those with a HER3+ tumor than for those with a HER3− tumor (HR 1.60, 95% CI: 1.27 - 2.02, P < 0.001). Subgroup analysis revealed this was also the case for patients with digestive or gastric cancer (HR 1.78, P < 0.001; HR 2.18, P < 0.001). By contrast, HER3 had no prognostic significance in colorectal or breast cancer (HR 1.52, P = 0.296; HR 1.23, P = 0.108). HER3+ is thus associated with poor survival in overall and in gastric cancer. The prognostic significance of HER3+ in other tumors is uncertain and deserves further study.
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Affiliation(s)
- Qin Li
- Department of Oncology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - RuiXue Zhang
- Department of Internal Medicine, The First Hospital, Tsinghua University, Beijing 100016, China
| | - Han Yan
- Department of Oncology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - PengFei Zhao
- Department of Oncology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Li Wu
- Department of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Hui Wang
- Department of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Teng Li
- Department of Oncology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Bangwei Cao
- Department of Oncology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.,Beijing Key Laboratory for Precancerous Lesion of Digestive Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.,Beijing Digestive Diseases Center, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
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19
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Burn T, Alvarez JI. Reverse transendothelial cell migration in inflammation: to help or to hinder? Cell Mol Life Sci 2017; 74:1871-1881. [PMID: 28025672 PMCID: PMC11107488 DOI: 10.1007/s00018-016-2444-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 12/12/2016] [Accepted: 12/19/2016] [Indexed: 12/14/2022]
Abstract
The endothelium provides a strong barrier separating circulating blood from tissue. It also provides a significant challenge for immune cells in the bloodstream to access potential sites of infection. To mount an effective immune response, leukocytes traverse the endothelial layer in a process known as transendothelial migration. Decades of work have allowed dissection of the mechanisms through which immune cells gain access into peripheral tissues, and subsequently to inflammatory foci. However, an often under-appreciated or potentially ignored question is whether transmigrated leukocytes can leave these inflammatory sites, and perhaps even return across the endothelium and re-enter circulation. Although evidence has existed to support "reverse" transendothelial migration for a number of years, it is only recently that mechanisms associated with this process have been described. Here we review the evidence that supports both reverse transendothelial migration and reverse interstitial migration within tissues, with particular emphasis on some of the more recent studies that finally hint at potential mechanisms. Additionally, we postulate the biological significance of retrograde migration, and whether it serves as an additional mechanism to limit pathology, or provides a basis for the dissemination of systemic inflammation.
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Affiliation(s)
- Thomas Burn
- Institute of Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jorge Ivan Alvarez
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, 380 South University St, H412, Philadelphia, PA, 19104, USA.
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20
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Ferreira PMP, Pessoa C. Molecular biology of human epidermal receptors, signaling pathways and targeted therapy against cancers: new evidences and old challenges. BRAZ J PHARM SCI 2017. [DOI: 10.1590/s2175-97902017000216076] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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21
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Fracol M, Datta J, Lowenfeld L, Xu S, Zhang PJ, Fisher CS, Czerniecki BJ. Loss of Anti-HER-3 CD4+ T-Helper Type 1 Immunity Occurs in Breast Tumorigenesis and is Negatively Associated with Outcomes. Ann Surg Oncol 2016; 24:407-417. [PMID: 27663569 DOI: 10.1245/s10434-016-5584-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Indexed: 01/15/2023]
Abstract
BACKGROUND We previously demonstrated a progressive loss of the anti-human epidermal growth factor receptor 2 (HER2) CD4+ T-helper type 1 (Th1) response during HER2pos breast tumorigenesis. This loss is associated with residual disease following neoadjuvant therapy and increased risk of recurrence. In this study, we assessed the fate of anti-HER3 Th1 immunity during breast tumorigenesis. METHODS Peripheral blood from 131 subjects, including healthy donors (HDs), patients with benign breast disease (BD), ductal carcinoma in situ (DCIS) and invasive breast cancer (IBC), was collected. Interferon (IFN)-γpos immune responses to four HER3-derived major histocompatibility complex (MHC) class II promiscuous peptides were tested via enzyme-linked immunosorbent (ELISPOT) assays, and three immune response parameters were compared: anti-HER3 (i) responsivity, or proportion of subjects responding to at least one peptide; (ii) repertoire, or number of responding peptides; and (iii) cumulative response, or summed peptide response. RESULTS A significant decline in anti-HER3 Th1 response was observed going from HDs to IBC patients; patients with triple-negative breast cancer (TNBC) demonstrated the lowest responses. HDs had significantly higher Th1 responses versus estrogen receptor (ER)pos IBC and TNBC patients across all three immune parameters; HER2pos IBC patients displayed responses similar to HDs and BDs. Patients with recurrent breast cancer and residual disease following neoadjuvant therapy demonstrated significantly lower anti-HER3 Th1 immunity compared with patients without recurrence or with a pathologic complete response to neoadjuvant therapy. CONCLUSIONS Anti-HER3 CD4+ Th1 responses decline during breast tumorigenesis, particularly in TNBC. Attempts to immunologically restore depressed responses in vulnerable subgroups may help mitigate recurrence.
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Affiliation(s)
- Megan Fracol
- Harrison Department of Surgical Research, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Jashodeep Datta
- Harrison Department of Surgical Research, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Lea Lowenfeld
- Harrison Department of Surgical Research, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Shuwen Xu
- Harrison Department of Surgical Research, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Paul J Zhang
- Department of Pathology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Carla S Fisher
- Harrison Department of Surgical Research, Hospital of the University of Pennsylvania, Philadelphia, PA, USA.,Rena Rowen Breast Center, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Brian J Czerniecki
- Harrison Department of Surgical Research, Hospital of the University of Pennsylvania, Philadelphia, PA, USA. .,Rena Rowen Breast Center, Hospital of the University of Pennsylvania, Philadelphia, PA, USA. .,Department of Breast Oncology, Moffitt Cancer Center, Tampa, FL, USA.
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22
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Zandueta C, Ormazábal C, Perurena N, Martínez-Canarias S, Zalacaín M, Julián MS, Grigoriadis AE, Valencia K, Campos-Laborie FJ, Rivas JDL, Vicent S, Patiño-García A, Lecanda F. Matrix-Gla protein promotes osteosarcoma lung metastasis and associates with poor prognosis. J Pathol 2016; 239:438-49. [PMID: 27172275 DOI: 10.1002/path.4740] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/29/2016] [Accepted: 05/04/2016] [Indexed: 11/11/2022]
Abstract
Osteosarcoma (OS) is the most prevalent osseous tumour in children and adolescents and, within this, lung metastases remain one of the factors associated with a dismal prognosis. At present, the genetic determinants driving pulmonary metastasis are poorly understood. We adopted a novel strategy using robust filtering analysis of transcriptomic profiling in tumour osteoblastic cell populations derived from human chemo-naive primary tumours displaying extreme phenotypes (indolent versus metastatic) to uncover predictors associated with metastasis and poor survival. We identified MGP, encoding matrix-Gla protein (MGP), a non-collagenous matrix protein previously associated with the inhibition of arterial calcification. Using different orthotopic models, we found that ectopic expression of Mgp in murine and human OS cells led to a marked increase in lung metastasis. This effect was independent of the carboxylation of glutamic acid residues required for its physiological role. Abrogation of Mgp prevented lung metastatic activity, an effect that was rescued by forced expression. Mgp levels dramatically altered endothelial adhesion, trans-endothelial migration in vitro and tumour cell extravasation ability in vivo. Furthermore, Mgp modulated metalloproteinase activities and TGFβ-induced Smad2/3 phosphorylation. In the clinical setting, OS patients who developed lung metastases had high serum levels of MGP at diagnosis. Thus, MGP represents a novel adverse prognostic factor and a potential therapeutic target in OS. Microarray datasets may be found at: http://bioinfow.dep.usal.es/osteosarcoma/ Copyright © 2016 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Carolina Zandueta
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Cristina Ormazábal
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Naiara Perurena
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Susana Martínez-Canarias
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Marta Zalacaín
- Department of Paediatrics, Clínica Universidad de Navarra (CUN), School of Medicine, University of Navarra, Pamplona, Spain
| | - Mikel San Julián
- Department of Orthopaedics, Clínica Universidad de Navarra (CUN), School of Medicine, University of Navarra, Pamplona, Spain
| | - Agamemnon E Grigoriadis
- Department of Craniofacial Development and Stem Cell Biology, Guy's Hospital, King's College, London, UK
| | - Karmele Valencia
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Francisco J Campos-Laborie
- Bioinformatics and Functional Genomics Research Group, Cancer Research Centre (IBMCC-CIC), CSIC, and University of Salamanca (CSIC/USAL), Salamanca, Spain
| | - Javier De Las Rivas
- Bioinformatics and Functional Genomics Research Group, Cancer Research Centre (IBMCC-CIC), CSIC, and University of Salamanca (CSIC/USAL), Salamanca, Spain
| | - Silvestre Vicent
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Ana Patiño-García
- Department of Paediatrics, Clínica Universidad de Navarra (CUN), School of Medicine, University of Navarra, Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Fernando Lecanda
- Programme in Solid Tumours and Biomarkers, Division of Oncology, Centre for Applied Biomedical Research (CIMA), University of Navarra, Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
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23
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Effects of neuregulin-1 administration on neurogenesis in the adult mouse hippocampus, and characterization of immature neurons along the septotemporal axis. Sci Rep 2016; 6:30467. [PMID: 27469430 PMCID: PMC4965755 DOI: 10.1038/srep30467] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 07/04/2016] [Indexed: 12/11/2022] Open
Abstract
Adult hippocampal neurogenesis is associated with learning and affective behavioural regulation. Its diverse functionality is segregated along the septotemporal axis from the dorsal to ventral hippocampus. However, features distinguishing immature neurons in these regions have yet to be characterized. Additionally, although we have shown that administration of the neurotrophic factor neuregulin-1 (NRG1) selectively increases proliferation and overall neurogenesis in the mouse ventral dentate gyrus (DG), likely through ErbB3, NRG1's effects on intermediate neurogenic stages in immature neurons are unknown. We examined whether NRG1 administration increases DG ErbB3 phosphorylation. We labeled adultborn cells using BrdU, then administered NRG1 to examine in vivo neurogenic effects on immature neurons with respect to cell survival, morphology, and synaptogenesis. We also characterized features of immature neurons along the septotemporal axis. We found that neurogenic effects of NRG1 are temporally and subregionally specific to proliferation in the ventral DG. Particular morphological features differentiate immature neurons in the dorsal and ventral DG, and cytogenesis differed between these regions. Finally, we identified synaptic heterogeneity surrounding the granule cell layer. These results indicate neurogenic involvement of NRG1-induced antidepressant-like behaviour is particularly associated with increased ventral DG cell proliferation, and identify novel distinctions between dorsal and ventral hippocampal neurogenic development.
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24
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Fattore L, Malpicci D, Marra E, Belleudi F, Noto A, De Vitis C, Pisanu ME, Coluccia P, Camerlingo R, Roscilli G, Ribas A, Di Napoli A, Torrisi MR, Aurisicchio L, Ascierto PA, Mancini R, Ciliberto G. Combination of antibodies directed against different ErbB3 surface epitopes prevents the establishment of resistance to BRAF/MEK inhibitors in melanoma. Oncotarget 2016. [PMID: 26208478 PMCID: PMC4694796 DOI: 10.18632/oncotarget.4485] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Patients with metastatic melanoma bearing V600 mutations in BRAF oncogene clinically benefit from the treatment with BRAF inhibitors alone or in combination with MEK inhibitors. However, a limitation to such treatment is the occurrence of resistance. Tackling the adaptive changes helping cells survive from drug treatment may offer new therapeutic opportunities. Very recently the ErbB3 receptor has been shown to act as a central node promoting survival of BRAF mutated melanoma. In this paper we first demonstrate that ErbB3/AKT hyperphosphorylation occurs in BRAF mutated melanoma cell lines following exposure to BRAF and/or MEK inhibitors. This strongly correlates with increased transcriptional activation of its ligand neuregulin. Anti-ErbB3 antibodies impair the establishment of de novo cell resistance to BRAF inhibition in vitro. In order to more potently ablate ErbB3 activity we used a combination of two anti-ErbB3 antibodies directed against distinct epitopes of its extracellular domain. These two antibodies in combo with BRAF/MEK inhibitors potently inhibit in vitro cell growth and tumor regrowth after drug withdrawal in an in vivo xenograft model. Importantly, residual tumor masses from mice treated by the antibodies and BRAF/ERK inhibitors combo are characterized almost exclusively by large necrotic areas with limited residual areas of tumor growth. Taken together, our findings support the concept that triple therapy directed against BRAF/MEK/ErbB3 may be able to provide durable control of BRAF mutated metastatic melanoma.
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Affiliation(s)
- Luigi Fattore
- Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione G. Pascale", Naples, Italy.,Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy
| | - Debora Malpicci
- Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy.,Dipartimento di Medicina Sperimentale e Clinica, Università degli Studi di Catanzaro "Magna Graecia", Catanzaro, Italy
| | | | - Francesca Belleudi
- Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy.,Istituto Pasteur Fondazione Cenci Bolognetti, Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy
| | - Alessia Noto
- Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione G. Pascale", Naples, Italy.,Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy
| | - Claudia De Vitis
- Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy.,Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy
| | - Maria Elena Pisanu
- Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy.,Dipartimento di Medicina Sperimentale e Clinica, Università degli Studi di Catanzaro "Magna Graecia", Catanzaro, Italy
| | - Pierpaolo Coluccia
- Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy
| | - Rosa Camerlingo
- Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione G. Pascale", Naples, Italy
| | - Giuseppe Roscilli
- Takis S.r.l., Rome, Italy.,Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy
| | - Antoni Ribas
- Department of Medicine, Division of Hematology/Oncology, University of California Los Angeles (UCLA), Los Angeles, CA, USA
| | - Arianna Di Napoli
- Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy.,Azienda Ospedaliera S. Andrea, Rome, Italy
| | - Maria Rosaria Torrisi
- Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy.,Istituto Pasteur Fondazione Cenci Bolognetti, Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy.,Azienda Ospedaliera S. Andrea, Rome, Italy
| | | | - Paolo Antonio Ascierto
- Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione G. Pascale", Naples, Italy
| | - Rita Mancini
- Dipartimento di Chirurgia "P. Valdoni", Sapienza Università di Roma, Rome, Italy.,Dipartimento di Medicina Clinica e Molecolare, Sapienza Università di Roma, Rome, Italy
| | - Gennaro Ciliberto
- Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione G. Pascale", Naples, Italy
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25
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Simões RV, Serganova IS, Kruchevsky N, Leftin A, Shestov AA, Thaler HT, Sukenick G, Locasale JW, Blasberg RG, Koutcher JA, Ackerstaff E. Metabolic plasticity of metastatic breast cancer cells: adaptation to changes in the microenvironment. Neoplasia 2016; 17:671-84. [PMID: 26408259 PMCID: PMC4674487 DOI: 10.1016/j.neo.2015.08.005] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 08/04/2015] [Accepted: 08/17/2015] [Indexed: 02/04/2023] Open
Abstract
Cancer cells adapt their metabolism during tumorigenesis. We studied two isogenic breast cancer cells lines (highly metastatic 4T1; nonmetastatic 67NR) to identify differences in their glucose and glutamine metabolism in response to metabolic and environmental stress. Dynamic magnetic resonance spectroscopy of (13)C-isotopomers showed that 4T1 cells have higher glycolytic and tricarboxylic acid (TCA) cycle flux than 67NR cells and readily switch between glycolysis and oxidative phosphorylation (OXPHOS) in response to different extracellular environments. OXPHOS activity increased with metastatic potential in isogenic cell lines derived from the same primary breast cancer: 4T1 > 4T07 and 168FARN (local micrometastasis only) > 67NR. We observed a restricted TCA cycle flux at the succinate dehydrogenase step in 67NR cells (but not in 4T1 cells), leading to succinate accumulation and hindering OXPHOS. In the four isogenic cell lines, environmental stresses modulated succinate dehydrogenase subunit A expression according to metastatic potential. Moreover, glucose-derived lactate production was more glutamine dependent in cell lines with higher metastatic potential. These studies show clear differences in TCA cycle metabolism between 4T1 and 67NR breast cancer cells. They indicate that metastases-forming 4T1 cells are more adept at adjusting their metabolism in response to environmental stress than isogenic, nonmetastatic 67NR cells. We suggest that the metabolic plasticity and adaptability are more important to the metastatic breast cancer phenotype than rapid cell proliferation alone, which could 1) provide a new biomarker for early detection of this phenotype, possibly at the time of diagnosis, and 2) lead to new treatment strategies of metastatic breast cancer by targeting mitochondrial metabolism.
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Affiliation(s)
- Rui V Simões
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - Inna S Serganova
- Department of Neurology, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - Natalia Kruchevsky
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - Avigdor Leftin
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - Alexander A Shestov
- Division of Nutritional Sciences, Cornell University, 14853, Ithaca, NY, USA
| | - Howard T Thaler
- Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - George Sukenick
- NMR Core Facility, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - Jason W Locasale
- Division of Nutritional Sciences, Cornell University, 14853, Ithaca, NY, USA
| | - Ronald G Blasberg
- Department of Neurology, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA; Department of Radiology, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA; Molecular Pharmacology and Chemistry Program, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA
| | - Jason A Koutcher
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA; Department of Radiology, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA; Department of Medicine, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA; Molecular Pharmacology and Chemistry Program, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA; Weill Cornell Medical College, Cornell University, 10065, New York, NY, USA
| | - Ellen Ackerstaff
- Department of Medical Physics, Memorial Sloan Kettering Cancer Center, 10065, New York, NY, USA.
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26
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Takahashi M, Kizuka Y, Ohtsubo K, Gu J, Taniguchi N. Disease-associated glycans on cell surface proteins. Mol Aspects Med 2016; 51:56-70. [PMID: 27131428 DOI: 10.1016/j.mam.2016.04.008] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 04/23/2016] [Indexed: 01/02/2023]
Abstract
Most of membrane molecules including cell surface receptors and secreted proteins including ligands are glycoproteins and glycolipids. Therefore, identifying the functional significance of glycans is crucial for developing an understanding of cell signaling and subsequent physiological and pathological cellular events. In particular, the function of N-glycans associated with cell surface receptors has been extensively studied since they are directly involved in controlling cellular functions. In this review, we focus on the roles of glycosyltransferases that are involved in the modification of N-glycans and their target proteins such as epidermal growth factor receptor (EGFR), ErbB3, transforming growth factor β (TGF-β) receptor, T-cell receptors (TCR), β-site APP cleaving enzyme (BACE1), glucose transporter 2 (GLUT2), E-cadherin, and α5β1 integrin in relation to diseases and epithelial-mesenchymal transition (EMT) process. Above of those proteins are subjected to being modified by several glycosyltransferases such as N-acetylglucosaminyltransferase III (GnT-III), N-acetylglucosaminyltransferase IV (GnT-IV), N-acetylglucosaminyltransferase V (GnT-V), α2,6 sialyltransferase 1 (ST6GAL1), and α1,6 fucosyltransferase (Fut8), which are typical N-glycan branching enzymes and play pivotal roles in regulating the function of cell surface receptors in pathological cell signaling.
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Affiliation(s)
- Motoko Takahashi
- Department of Biochemistry, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-ku, Sapporo 060-8556, Japan
| | - Yasuhiko Kizuka
- Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center, Global Research Cluster, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan
| | - Kazuaki Ohtsubo
- Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, 4-24-1 Kuhonji, Chuo-ku, Kumamoto 862-0976, Japan
| | - Jianguo Gu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsusima, Aobaku, Sendai, Miyagi 981-8558, Japan
| | - Naoyuki Taniguchi
- Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center, Global Research Cluster, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan.
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27
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Abstract
The process of entering the bloodstream, intravasation, is a necessary step in the development of distant metastases. The focus of this review is on the pathways and molecules that have been identified as being important based on current in vitro and in vivo assays for intravasation. Properties of the vasculature which are important for intravasation include microvessel density and also diameter of the vasculature, with increased intravasation correlating with increased vessel diameter in some tumors. TGFB signaling can enhance intravasation at least in part through induction of EMT, and we discuss other TGFB target genes that are important for intravasation. In addition to TGFB signaling, a number of studies have demonstrated that activation of EGF receptor family members stimulates intravasation, with downstream signaling through PI3K, N-WASP, RhoA, and WASP to induce invadopodia. With respect to proteases, there is strong evidence for contributions by uPA/uPAR, while the roles of MMPs in intravasation may be more tumor specific. Other cells including macrophages, fibroblasts, neutrophils, and platelets can also play a role in enhancing tumor cell intravasation. The technology is now available to interrogate the expression patterns of circulating tumor cells, which will provide an important reality check for the model systems being used. With a better understanding of the mechanisms underlying intravasation, the goal is to provide new opportunities for improving prognosis as well as potentially developing new treatments.
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Affiliation(s)
- Serena P H Chiang
- Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, New York
| | - Ramon M Cabrera
- Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, New York
| | - Jeffrey E Segall
- Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, New York
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28
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Xiang F, Ni Z, Zhan Y, Kong Q, Xu J, Jiang J, Wu R, Kang X. Increased expression of MyD88 and association with paclitaxel resistance in breast cancer. Tumour Biol 2015; 37:6017-25. [DOI: 10.1007/s13277-015-4436-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 11/12/2015] [Indexed: 11/24/2022] Open
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29
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Perwitasari O, Yan X, O'Donnell J, Johnson S, Tripp RA. Repurposing Kinase Inhibitors as Antiviral Agents to Control Influenza A Virus Replication. Assay Drug Dev Technol 2015; 13:638-49. [PMID: 26192013 DOI: 10.1089/adt.2015.0003.drrr] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Influenza A virus (IAV) infection causes seasonal epidemics of contagious respiratory illness that causes substantial morbidity and some mortality. Regular vaccination is the principal strategy for controlling influenza virus, although vaccine efficacy is variable. IAV antiviral drugs are available; however, substantial drug resistance has developed to two of the four currently FDA-approved antiviral drugs. Thus, new therapeutic approaches are being sought to reduce the burden of influenza-related disease. A high-throughput screen using a human kinase inhibitor library was performed targeting an emerging IAV strain (H7N9) in A549 cells. The inhibitor library contained 273 structurally diverse, active cell permeable kinase inhibitors with known bioactivity and safety profiles, many of which are at advanced stages of clinical development. The current study shows that treatment of human A549 cells with kinase inhibitors dinaciclib, flavopiridol, or PIK-75 exhibits potent antiviral activity against H7N9 IAV as well as other IAV strains. Thus, targeting host kinases can provide a broad-spectrum therapeutic approach against IAV. These findings provide a path forward for repurposing existing kinase inhibitors safely as potential antivirals, particularly those that can be tested in vivo and ultimately for clinical use.
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Affiliation(s)
- Olivia Perwitasari
- 1 Department of Infectious Diseases College of Veterinary Medicine, University of Georgia , Athens, Georgia
| | - Xiuzhen Yan
- 1 Department of Infectious Diseases College of Veterinary Medicine, University of Georgia , Athens, Georgia
| | - Jason O'Donnell
- 1 Department of Infectious Diseases College of Veterinary Medicine, University of Georgia , Athens, Georgia .,2 Division of Biological Sciences, University of Georgia , Athens, Georgia
| | - Scott Johnson
- 1 Department of Infectious Diseases College of Veterinary Medicine, University of Georgia , Athens, Georgia
| | - Ralph A Tripp
- 1 Department of Infectious Diseases College of Veterinary Medicine, University of Georgia , Athens, Georgia
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30
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Zhang HD, Jiang LH, Sun DW, Li J, Tang JH. MiR-139-5p: promising biomarker for cancer. Tumour Biol 2015; 36:1355-65. [DOI: 10.1007/s13277-015-3199-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 01/30/2015] [Indexed: 12/22/2022] Open
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31
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Ren XR, Wang J, Osada T, Mook RA, Morse MA, Barak LS, Lyerly HK, Chen W. Perhexiline promotes HER3 ablation through receptor internalization and inhibits tumor growth. Breast Cancer Res 2015; 17:20. [PMID: 25849870 PMCID: PMC4358700 DOI: 10.1186/s13058-015-0528-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 01/30/2015] [Indexed: 01/08/2023] Open
Abstract
INTRODUCTION Human epidermal growth factor receptor HER3 has been implicated in promoting the aggressiveness and metastatic potential of breast cancer. Upregulation of HER3 has been found to be a major mechanism underlying drug resistance to EGFR and HER2 tyrosine kinase inhibitors and to endocrine therapy in the treatment of breast cancer. Thus, agents that reduce HER3 expression at the plasma membrane may synergize with current therapies and offer a novel therapeutic strategy to improve treatment. METHODS We devised an image-based screening platform using membrane localized HER3-YFP to identify small molecules that promote HER3 internalization and degradation. In vitro and in vivo tumor models were used to characterize the signaling effects of perhexiline, an anti-anginal drug, identified by the screening platform. RESULTS We found perhexiline, an anti-anginal drug, selectively internalized HER3, decreased HER3 expression, and subsequently inhibited signaling downstream of HER3. Consistent with these results, perhexiline inhibited breast cancer cell proliferation in vitro and tumor growth in vivo. CONCLUSIONS This is the first demonstration that HER3 can be targeted with small molecules by eliminating it from the cell membrane. The novel approach used here led to the discovery that perhexiline ablates HER3 expression, and offers an opportunity to identify HER3 ablation modulators as innovative therapeutics to improve survival in breast cancer patients.
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Sathyamurthy A, Yin DM, Barik A, Shen C, Bean JC, Figueiredo D, She JX, Xiong WC, Mei L. ERBB3-mediated regulation of Bergmann glia proliferation in cerebellar lamination. Development 2015; 142:522-32. [PMID: 25564653 DOI: 10.1242/dev.115931] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cortical lamination is crucial for the assembly of cerebellar circuitry. In this process, granule neurons (GNs) migrate along Bergmann glia (BG), which are specialized astroglial cells, from the external granule layer to the internal granule layer. However, the molecular mechanisms underlying BG development are not well understood. Here, we show that GFAP::Cre;Erbb3(F/F) mice, which lack Erbb3 in both radial glia and neurons, exhibit impairments in balance and motor coordination. Cerebellar lamination is aberrant, with misplaced Purkinje neurons and GN clusters. These phenotypes were not observed in Math1::CreER(T2);Erbb3(F/F) mice, where the Erbb3 gene was deleted in GNs, suggesting involvement of non-neuronal Erbb3 in cerebellar lamination. Mechanistic studies indicate that ERBB3 is crucial for the proliferation of BG, which are required for GN migration. These observations identify a crucial role for ERBB3 in cerebellar lamination and reveal a novel mechanism that regulates BG development.
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Affiliation(s)
- Anupama Sathyamurthy
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
| | - Dong-Min Yin
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
| | - Arnab Barik
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
| | - Chengyong Shen
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA Charlie Norwood VA Medical Center, Augusta, GA 30904, USA
| | - Jonathan C Bean
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
| | - Dwight Figueiredo
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA Charlie Norwood VA Medical Center, Augusta, GA 30904, USA
| | - Jin-Xiong She
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
| | - Wen-Cheng Xiong
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA Charlie Norwood VA Medical Center, Augusta, GA 30904, USA Department of Neurology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
| | - Lin Mei
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA Charlie Norwood VA Medical Center, Augusta, GA 30904, USA Department of Neurology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912, USA
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MacDonald G, Nalvarte I, Smirnova T, Vecchi M, Aceto N, Dolemeyer A, Frei A, Lienhard S, Wyckoff J, Hess D, Seebacher J, Keusch JJ, Gut H, Salaun D, Mazzarol G, Disalvatore D, Bentires-Alj M, Di Fiore PP, Badache A, Hynes NE. Memo is a copper-dependent redox protein with an essential role in migration and metastasis. Sci Signal 2014; 7:ra56. [PMID: 24917593 DOI: 10.1126/scisignal.2004870] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Memo is an evolutionarily conserved protein with a critical role in cell motility. We found that Memo was required for migration and invasion of breast cancer cells in vitro and spontaneous lung metastasis from breast cancer cell xenografts in vivo. Biochemical assays revealed that Memo is a copper-dependent redox enzyme that promoted a more oxidized intracellular milieu and stimulated the production of reactive oxygen species (ROS) in cellular structures involved in migration. Memo was also required for the sustained production of the ROS O2- by NADPH (reduced form of nicotinamide adenine dinucleotide phosphate) oxidase 1 (NOX1) in breast cancer cells. Memo abundance was increased in >40% of the primary breast tumors tested, was correlated with clinical parameters of aggressive disease, and was an independent prognostic factor of early distant metastasis.
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Affiliation(s)
- Gwen MacDonald
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Ivan Nalvarte
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Tatiana Smirnova
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Manuela Vecchi
- IFOM, Fondazione Istituto FIRC di Oncologia Molecolare, Milan 20139, Italy. Molecular Medicine Program, Department of Experimental Oncology, European Institute of Oncology, Milan 20141, Italy
| | - Nicola Aceto
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland. University of Basel, Basel 4002, Switzerland
| | - Arno Dolemeyer
- Novartis Institutes for BioMedical Research, Basel 4057, Switzerland
| | - Anna Frei
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland. University of Basel, Basel 4002, Switzerland
| | - Susanne Lienhard
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Jeffrey Wyckoff
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Daniel Hess
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Jan Seebacher
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Jeremy J Keusch
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Heinz Gut
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland
| | - Daniele Salaun
- Centre de Recherche en Cancérologie de Marseille, Inserm (U1068), Institut Paoli-Calmettes, Aix-Marseille Université, Centre National de la Recherche Scientifique (UMR7258), Marseille 13009, France
| | - Giovanni Mazzarol
- Division of Pathology and Laboratory Medicine, European Institute of Oncology, Milan 20141, Italy
| | - Davide Disalvatore
- Division of Epidemiology and Biostatistics, European Institute of Oncology, Milan 20141, Italy
| | | | - Pier Paolo Di Fiore
- IFOM, Fondazione Istituto FIRC di Oncologia Molecolare, Milan 20139, Italy. Molecular Medicine Program, Department of Experimental Oncology, European Institute of Oncology, Milan 20141, Italy. Dipartimento di Scienze della Salute, Università degli Studi di Milano, Milan 20122, Italy
| | - Ali Badache
- Centre de Recherche en Cancérologie de Marseille, Inserm (U1068), Institut Paoli-Calmettes, Aix-Marseille Université, Centre National de la Recherche Scientifique (UMR7258), Marseille 13009, France
| | - Nancy E Hynes
- Friedrich Miescher Institute for Biomedical Research, Basel 4058, Switzerland. University of Basel, Basel 4002, Switzerland.
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Asp N, Pust S, Sandvig K. Flotillin depletion affects ErbB protein levels in different human breast cancer cells. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2014; 1843:1987-96. [PMID: 24747692 DOI: 10.1016/j.bbamcr.2014.04.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 04/08/2014] [Accepted: 04/10/2014] [Indexed: 10/25/2022]
Abstract
The ErbB3 receptor is an important regulator of cell growth and carcinogenesis. Among breast cancer patients, up to 50-70% have ErbB3 overexpression and 20-30% show overexpressed or amplified ErbB2. ErbB3 has also been implicated in the development of resistance to several drugs used against cancers driven by ErbB1 or ErbB2. One of the main challenges in ErbB-targeting therapy is to inactivate signaling mediated by ErbB2-ErbB3 oncogenic receptor complexes. We analyzed the regulatory role of flotillins on ErbB3 levels and ErbB2-ErbB3 complexes in SKBR3, MCF7 and MDA-MB-134-VI human breast cancer cells. Recently, we described a mechanism for interfering with ErbB2 signaling in breast cancer and demonstrated a molecular complex of flotillin scaffolding proteins with ErbB2 and Hsp90. In the present study, flotillins were found to be in a molecular complex with ErbB3, even in cells without the presence of ErbB2 or other ErbB receptors. Depletion of either flotillin-1 or flotillin-2 resulted in downregulation of ErbB3 and a selective reduction of ErbB2-ErbB3 receptor complexes. Moreover, flotillin-2 depletion resulted in reduced activation of Akt and MAPK signaling cascades, and as a functional consequence of flotillin depletion, breast cancer cells showed an impaired cell migration. Altogether, we provide data demonstrating a novel and functional role of flotillins in the regulation of ErbB protein levels and stabilization of ErbB2-ErbB3 receptor complexes. Thus, flotillins are crucial regulators for oncogenic ErbB function and potential targets for cancer treatment.
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Affiliation(s)
- Nagham Asp
- Department of Biochemistry, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; Centre for Cancer Biomedicine, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
| | - Sascha Pust
- Department of Biochemistry, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; Centre for Cancer Biomedicine, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway.
| | - Kirsten Sandvig
- Department of Biochemistry, Institute for Cancer Research, Oslo University Hospital, 0379 Oslo, Norway; Centre for Cancer Biomedicine, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway; Department of Molecular Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
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Green AR, Barros FFT, Abdel-Fatah TMA, Moseley P, Nolan CC, Durham AC, Rakha EA, Chan S, Ellis IO. HER2/HER3 heterodimers and p21 expression are capable of predicting adjuvant trastuzumab response in HER2+ breast cancer. Breast Cancer Res Treat 2014; 145:33-44. [PMID: 24706169 PMCID: PMC3984415 DOI: 10.1007/s10549-014-2925-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 03/17/2014] [Indexed: 01/02/2023]
Abstract
Human epidermal growth factor receptor 2 (HER2) plays an important role in breast cancer progression and provides predictive information for response to targeted therapy including trastuzumab although this is limited. Downstream pathways, such as PI3K/Akt, are associated with HER2/HER3 heterodimerization promoting survival and proliferation amongst cancer cells. Thus, patient outcome and trastuzumab therapy effectiveness might be further characterised by HER2/HER3 dimerisation and its signalling pathways. HER2/HER3 dimerisation status was assessed, using chromogenic in situ Proximity Ligation Assay, in two breast cancer series: early stage primary breast cancer, including 224 HER2+ patients that were not submitted to trastuzumab, and HER2+ breast cancer where patients were treated with adjuvant trastuzumab (n = 143). Levels of biomarkers including PI3K, pAKT, ER, PgR, HER3, BCL2, p53, PTEN and p21 were measured using immunohistochemistry. Levels of HER2/HER3 heterodimers were compared with biomarker expression and patient outcome. An association between high levels of HER2/HER3 dimerisation and absence of hormone receptors, ER and PgR, was observed. We further show for the first time the presence of HER2/HER3 heterodimers and the loss of p21 expression in HER2+ breast cancer predicts a significantly poorer outcome when submitted to adjuvant trastuzumab. Breast cancer patients that reveal high levels of HER2/HER3 dimerisation and loss of p21 are associated with poor survival prognosis in patients with HER2+ breast cancer treated with adjuvant trastuzumab. Further quantification analysis of HER dimer/ligand complexes and downstream signalling pathways will begin to unravel the complex associations with patient outcome and its relationship with sensitivity to targeted treatment.
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Affiliation(s)
- Andrew R Green
- Molecular Pathology Research Unit, Division of Cancer and Stem Cells, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, NG5 1PB, UK,
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36
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Neuregulin-1 overexpression and Trp53 haploinsufficiency cooperatively promote de novo malignant peripheral nerve sheath tumor pathogenesis. Acta Neuropathol 2014; 127:573-91. [PMID: 24232507 DOI: 10.1007/s00401-013-1209-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 11/04/2013] [Indexed: 12/11/2022]
Abstract
Malignant peripheral nerve sheath tumors (MPNSTs) are Schwann cell-derived malignancies that arise from plexiform neurofibromas in patients with mutation of the neurofibromin 1 (NF1) gene. We have shown that the growth factor neuregulin-1 (NRG1) also contributes to human neurofibroma and MPNST pathogenesis and that outbred C57BL/6J × SJL/J transgenic mice overexpressing NRG1 in Schwann cells (P0-GGFβ3 mice) recapitulate the process of neurofibroma-MPNST progression. However, it is unclear whether NRG1 acts predominantly within NF1-regulated signaling cascades or instead activates other essential cascades that cooperate with NF1 loss to promote tumorigenesis. We now report that tumorigenesis is suppressed in inbred P0-GGFβ3 mice on a C57BL/6J background. To determine whether NRG1 overexpression interacts with reduced Nf1 or Trp53 gene dosage to "unmask" tumorigenesis in these animals, we followed cohorts of inbred P0-GGFβ3;Nf1+/−, P0-GGFβ3;Trp53+/− and control (P0-GGFβ3, Nf1+/− and Trp53+/−) mice for 1 year. We found no reduction in survival or tumors in control and P0-GGFβ3;Nf1+/− mice. In contrast, P0-GGFβ3;Trp53+/− mice died on average at 226 days, with MPNSTs present in 95 % of these mice. MPNSTs in inbred P0-GGFβ3;Trp53+/− mice arose de novo from micro-MPNSTs that uniformly develop intraganglionically. These micro-MPNSTs are of lower grade (WHO grade II-III) than the major MPNSTs (WHO grade III-IV); array comparative genomic hybridization showed that lower grade MPNSTs also had fewer genomic abnormalities. Thus, P0-GGFβ3;Trp53+/− mice represent a novel model of low- to high-grade MPNST progression. We further conclude that NRG1 promotes peripheral nervous system neoplasia predominantly via its effects on the signaling cascades affected by Nf1 loss.
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Arndt-Jovin DJ, Botelho MG, Jovin TM. Structure-function relationships of ErbB RTKs in the plasma membrane of living cells. Cold Spring Harb Perspect Biol 2014; 6:a008961. [PMID: 24691959 DOI: 10.1101/cshperspect.a008961] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We review the states of the ErbB family of receptor tyrosine kinases (RTKs), primarily the EGF receptor (EGFR, ErbB1, HER1) and the orphan receptor ErbB2 as they exist in living mammalian cells, focusing on four main aspects: (1) aggregation state and distribution in the plasma membrane; (2) conformational features of the receptors situated in the plasma membrane, compared to the crystallographic structures of the isolated extracellular domains; (3) coupling of receptor disposition on filopodia with the transduction of signaling ligand gradients; and (4) ligand-independent receptor activation by application of a magnetic field.
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Affiliation(s)
- Donna J Arndt-Jovin
- Laboratory of Cellular Dynamics, Max Planck Institute for Biophysical Chemistry, 37077 Göttingen, Germany
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38
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Her3 is associated with poor survival of gastric adenocarcinoma: Her3 promotes proliferation, survival and migration of human gastric cancer mediated by PI3K/AKT signaling pathway. Med Oncol 2014; 31:903. [PMID: 24623015 DOI: 10.1007/s12032-014-0903-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 02/25/2014] [Indexed: 02/04/2023]
Abstract
ErbB3 (Her3) is a membrane-bound protein which can form heterodimers with other EGF receptor family members with kinase activity. Previous reports identified Her3 as a significant predictor of poor survival in human gastric cancer (GC), but its mechanism has remained unclear. We sought to investigate the mechanism of Her3 in GC and its association with clinical characteristics. Her3 was detected by both real-time PCR and immunohistochemistry (IHC) in 161 GC patients, and its related downstream signaling PI3K/AKT activity and clinical characteristics were accessed by statistical analysis. Her3 siRNA was used in both in vitro and in vivo assay to investigate the mechanism. Her3 expression was significantly increased in human GC compared with adjacent normal gastric tissues as observed by both real-time PCR and IHC. Her3 expression was associated with downstream AKT activation and increased tumor size, metastasis and poor survival in GC patients. Knockdown of Her3 in human GC cell line can inhibit cell proliferation and tumor growth both in vitro and in vivo by inactivation of AKT. Her3 knockdown had no observed impact on Her2 expression or activity. G2/M arrest was investigated due to decreased CyclinB1 and p27(kip1) at T157. Increased apoptosis occurred in Her3 silenced GC cell treated with cisplatin due to decreased BAD at S112. Moreover, Her3 silence can inhibit cell migration in vitro and metastasis in vivo by down-regulating MMPs via PI3K/AKT signaling. Her3 is a new prognostic factor associated with tumor growth and metastasis via PI3K/AKT signaling.
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Barros FFT, Abdel-Fatah TMA, Moseley P, Nolan CC, Durham AC, Rakha EA, Chan S, Ellis IO, Green AR. Characterisation of HER heterodimers in breast cancer using in situ proximity ligation assay. Breast Cancer Res Treat 2014; 144:273-85. [PMID: 24557338 DOI: 10.1007/s10549-014-2871-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Accepted: 02/06/2014] [Indexed: 12/21/2022]
Abstract
HER2 plays an important role in breast cancer progression and provides predictive and prognostic information. HER2 receptor family members function through dimerisation, which can lead to impact on cell function, growth and differentiation; however, their value in breast cancer development remains to be defined. This study aims to examine the relationships of HER2 heterodimers to breast cancer characteristics in trastuzumab naïve and treated cases. HER2 protein (IHC), HER2 gene (chromogenic ISH) and HER2 heterodimerisation status [chromogenic in situ proximity ligation assay (PLA)] were assessed in two breast cancer series prepared in tissue microarray (TMA) format. A range of signals/cell for each HER2 heterodimer was detected (0-34.6 signals/cell). The vast majority of cases with HER2 heterodimers showed HER2 gene amplification and/or protein expression. There was an association between HER2 dimerisation with HER3 and HER4 and their protein expression level but no such association was found in with HER1 (EGFR). Of the HER2+ cases, 74, 66, and 58 % showed heterodimers with EGFR, HER3 and HER4, respectively. 51 % of HER2+ tumours expressed all three heterodimers whereas 23 % of the cases did not show expression of any of the three heterodimers. There was an inverse association between the presence and levels of HER2 heterodimers and hormone receptor expression in HER2+ tumours. Tumours exhibiting high levels of HER2 heterodimers demonstrated aggressive clinicopathological features and poor outcome. In the HER2+ cases, dimerisation with EGFR and HER3 but not with HER4 showed an association with aggressive features. There was no association between HER2 heterodimers with patient breast cancer-specific survival or recurrence in HER2+ breast cancer in those patients receiving trastuzumab or not. Our results demonstrate that HER2 dimerisation is a complex process that may underlie the biological heterogeneity of HER2 positive tumours and may identify patients suitable for a specific targeted therapy but does not predict patient outcome for those receiving trastuzumab. PLA proved to be a useful tool for detecting, visualising and quantifying the frequency of protein-protein interactions in archival formalin-fixed paraffin-embedded tissue samples.
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Affiliation(s)
- Fabrício F T Barros
- Molecular Pathology Research Unit, Division of Oncology, School of Medicine, Nottingham City Hospital, University of Nottingham, Nottingham, NG5 1PB, UK
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Epstein RJ. The unpluggable in pursuit of the undruggable: tackling the dark matter of the cancer therapeutics universe. Front Oncol 2013; 3:304. [PMID: 24377088 PMCID: PMC3859984 DOI: 10.3389/fonc.2013.00304] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Accepted: 11/29/2013] [Indexed: 01/19/2023] Open
Abstract
The notion that targeted drugs can unplug gain-of-function tumor pathways has revitalized pharmaceutical research, but the survival benefits of this strategy have so far proven modest. A weakness of oncogene-blocking approaches is that they do not address the problem of cancer progression as selected by the recessive phenotypes of genetic instability and apoptotic resistance which in turn arise from loss-of-function – i.e., undruggable – defects of caretaker (e.g., BRCA, MLH1) or gatekeeper (e.g., TP53, PTEN) suppressor genes. Genetic instability ensures that rapid cell kill is balanced by rapid selection for apoptotic resistance and hence for metastasis, casting doubt on the assumption that cytotoxicity (“response”) remains the best way to identify survival-enhancing drugs. In the absence of gene therapy, it is proposed here that caretaker-defective (high-instability) tumors may be best treated with low-lethality drugs inducing replicative (RAS-RAF-ERK) arrest or dormancy, causing “stable disease” rather than tumorilytic remission. Gatekeeper-defective (death-resistant) tumors, on the other hand, may be best managed by combining survival (PI3K-AKT-mTOR) pathway blockade with metronomic or sequential pro-apoptotic drugs.
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Affiliation(s)
- Richard J Epstein
- Laboratory of Genome Evolution & Informatics, The Kinghorn Cancer Centre, and Clinical Informatics & Research Centre, Department of Oncology, St Vincent's Hospital, UNSW Clinical School , Sydney, NSW , Australia
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Bocca C, Ievolella M, Autelli R, Motta M, Mosso L, Torchio B, Bozzo F, Cannito S, Paternostro C, Colombatto S, Parola M, Miglietta A. Expression of Cox-2 in human breast cancer cells as a critical determinant of epithelial-to-mesenchymal transition and invasiveness. Expert Opin Ther Targets 2013; 18:121-35. [PMID: 24325753 DOI: 10.1517/14728222.2014.860447] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Cyclooxygenase-2 (COX-2) is overexpressed in several malignancies and is implicated in breast cancer progression. OBJECTIVES We investigated whether changes in COX-2 expression may affect epithelial-to-mesenchymal transition (EMT) and then invasive potential of human breast cancer cells, in relationship with hypoxia. COX-2-null MCF-7 human breast cancer cells, MCF-7 cells transiently expressing COX-2 and COX-2-expressing MDA-MB-231 cells were employed. RESULTS COX-2 overexpression resulted in downregulation of E-cadherin and β-catenin, upregulation of vimentin, N-cadherin and SNAI1, suggesting EMT occurrence. COX-2-overexpressing MCF-7 cells were also characterized by increased invasiveness and release of matrix-metalloproteinase-9. The above-mentioned characteristics, homologous to those detected in highly invasive MDA-MB-231 cells, were reverted by treatment of COX-2-overexpressing MCF-7 cells with celecoxib, a COX-2-specific inhibitor, partly through the inhibition of COX-2-related intracellular generation of reactive oxygen species. Hypoxia further exacerbated COX-2 expression, EMT changes and invasive ability in both COX-2-overexpressing MCF-7 cells and MDA-MB-231 cells. Finally, immunohistochemistry performed on samples from normal and neoplastic human breast tissues revealed that COX-2-positive malignant cells were also positive for EMT-related antigens, hypoxia-inducible factor (HIF)-2α and the oxidative stress marker heme oxygenase. CONCLUSIONS These findings support the existence of a direct link between COX-2 overexpression, EMT and invasiveness in human breast cancer cells, emphasizing the role of hypoxic microenvironment.
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Affiliation(s)
- Claudia Bocca
- University of Torino, Department of Clinical and Biological Sciences , C.so Raffaello, 30 - 10125 Torino , Italy +39 0116707756 ; +39 0116707753 ;
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Krishnan K, Steptoe AL, Martin HC, Pattabiraman DR, Nones K, Waddell N, Mariasegaram M, Simpson PT, Lakhani SR, Vlassov A, Grimmond SM, Cloonan N. miR-139-5p is a regulator of metastatic pathways in breast cancer. RNA (NEW YORK, N.Y.) 2013; 19:1767-1780. [PMID: 24158791 PMCID: PMC3884652 DOI: 10.1261/rna.042143.113] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 09/12/2013] [Indexed: 05/29/2023]
Abstract
Metastasis is a complex, multistep process involved in the progression of cancer from a localized primary tissue to distant sites, often characteristic of the more aggressive forms of this disease. Despite being studied in great detail in recent years, the mechanisms that govern this process remain poorly understood. In this study, we identify a novel role for miR-139-5p in the inhibition of breast cancer progression. We highlight its clinical relevance by reviewing miR-139-5p expression across a wide variety of breast cancer subtypes using in-house generated and online data sets to show that it is most frequently lost in invasive tumors. A biotin pull-down approach was then used to identify the mRNA targets of miR-139-5p in the breast cancer cell line MCF7. Functional enrichment analysis of the pulled-down targets showed significant enrichment of genes in pathways previously implicated in breast cancer metastasis (P < 0.05). Further bioinformatic analysis revealed a predicted disruption to the TGFβ, Wnt, Rho, and MAPK/PI3K signaling cascades, implying a potential role for miR-139-5p in regulating the ability of cells to invade and migrate. To corroborate this finding, using the MDA-MB-231 breast cancer cell line, we show that overexpression of miR-139-5p results in suppression of these cellular phenotypes. Furthermore, we validate the interaction between miR-139-5p and predicted targets involved in these pathways. Collectively, these results suggest a significant functional role for miR-139-5p in breast cancer cell motility and invasion and its potential to be used as a prognostic marker for the aggressive forms of breast cancer.
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Affiliation(s)
- Keerthana Krishnan
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
| | - Anita L. Steptoe
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
| | - Hilary C. Martin
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
| | | | - Katia Nones
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
| | - Nic Waddell
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
| | - Mythily Mariasegaram
- The University of Queensland, UQ Centre for Clinical Research (UQCCR), Herston, QLD, Australia 4029
| | - Peter T. Simpson
- The University of Queensland, UQ Centre for Clinical Research (UQCCR), Herston, QLD, Australia 4029
| | - Sunil R. Lakhani
- The University of Queensland, UQ Centre for Clinical Research (UQCCR), Herston, QLD, Australia 4029
- The University of Queensland, School of Medicine, Herston, QLD, Australia 4029
- Pathology Queensland, The Royal Brisbane and Women's Hospital, Herston, QLD, Australia 4029
| | | | - Sean M. Grimmond
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, G61 1BD, United Kingdom
| | - Nicole Cloonan
- Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, University of Queensland, St Lucia, QLD, Australia 4072
- QIMR Berghofer Medical Research Institute, Genomic Biology Laboratory, Herston, Australia 4006
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43
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Zhang MH, Man HT, Zhao XD, Dong N, Ma SL. Estrogen receptor-positive breast cancer molecular signatures and therapeutic potentials (Review). Biomed Rep 2013; 2:41-52. [PMID: 24649067 DOI: 10.3892/br.2013.187] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Accepted: 08/23/2013] [Indexed: 12/31/2022] Open
Abstract
In this review, the advances in the study of breast cancer molecular classifications and the molecular signatures of the luminal subtypes A and B of breast cancer were summarized. Effective clinical outcomes depend mainly on successful preclinical diagnosis and therapeutic decisions. Over the last few years, the ever-expanding investigations focusing on breast cancer diagnosis and the clinical trials have provided accumulating information on the molecular characteristics of breast cancer. Specifically, among the estrogen receptor (ER)-positive types of breast cancer, the luminal subtype A breast cancer has been shown to exhibit good clinical outcomes with endocrine therapy, whereas the luminal subtype B breast cancer represents the more complicated type, diagnostically as well as therapeutically. Furthermore, even in luminal subtype A breast cancer, the resistance to treatment has become the major limitation for endocrine-based therapy. Accumulating molecular data and further clinical trials may enable more accurate diagnostic and therapeutic decisions. The molecular signatures have emerged as a powerful tool for future diagnosis and therapeutic decisions, although currently available data are limited.
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Affiliation(s)
- Mei Hong Zhang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, P.R. China
| | - Hong Tao Man
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, P.R. China
| | - Xiao Dan Zhao
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, P.R. China
| | - Ni Dong
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, P.R. China
| | - Shi Liang Ma
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, P.R. China
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44
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Coniglio SJ, Segall JE. Review: molecular mechanism of microglia stimulated glioblastoma invasion. Matrix Biol 2013; 32:372-80. [PMID: 23933178 DOI: 10.1016/j.matbio.2013.07.008] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 07/28/2013] [Accepted: 07/28/2013] [Indexed: 01/01/2023]
Abstract
Glioblastoma multiforme is one of the deadliest human cancers and is characterized by a high degree of microglia and macrophage infiltration. The role of these glioma infiltrating macrophages (GIMs) in disease progression has been the subject of recent investigation. While initially thought to reflect an immune response to the tumor, the balance of evidence clearly suggests GIMs can have potent tumor-tropic functions and assist in glioma cell growth and infiltration into normal brain. In this review, we focus on the evidence for GIMs aiding mediating glioblastoma motility and invasion. We survey the literature for molecular pathways that are involved in paracrine interaction between glioma cells and GIMs and assess which of these might serve as attractive targets for therapeutic intervention.
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Affiliation(s)
- Salvatore J Coniglio
- Albert Einstein College of Medicine, Department of Anatomy and Structural Biology, Bronx, NY 10461, United States.
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45
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The function of human epidermal growth factor receptor-3 and its role in tumors (Review). Oncol Rep 2013; 30:2563-70. [DOI: 10.3892/or.2013.2754] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 09/06/2013] [Indexed: 11/05/2022] Open
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46
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Sollome JJ, Thavathiru E, Camenisch TD, Vaillancourt RR. HER2/HER3 regulates extracellular acidification and cell migration through MTK1 (MEKK4). Cell Signal 2013; 26:70-82. [PMID: 24036211 DOI: 10.1016/j.cellsig.2013.08.043] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 08/30/2013] [Indexed: 12/13/2022]
Abstract
Human MAP3K4 (MTK1) functions upstream of mitogen activated protein kinases (MAPKs). In this study we show MTK1 is required for human epidermal growth factor receptor 2/3 (HER2/HER3)-heregulin beta1 (HRG) induced cell migration in MCF-7 breast cancer cells. We demonstrate that HRG stimulation leads to association of MTK1 with activated HER3 in MCF-7 and T-47D breast cancer cells. Activated HER3 association with MTK1 is dependent on HER2 activation and is decreased by pre-treatment with the HER2 inhibitor, lapatinib. Moreover, we also identify the actin interacting region (AIR) on MTK1. Disruption of actin cytoskeletal polymerization with cytochalasin D inhibited HRG induced MTK1/HER3 association. Additionally, HRG stimulation leads to extracellular acidification that is independent of cellular proliferation. HRG induced extracellular acidification is significantly inhibited when MTK1 is knocked down in MCF-7 cells. Similarly, pre-treatment with lapatinib significantly decreased HRG induced extracellular acidification. Extracellular acidification is linked with cancer cell migration. We performed scratch assays that show HRG induced cell migration in MCF-7 cells. Knockdown of MTK1 significantly inhibited HRG induced cell migration. Furthermore, pre-treatment with lapatinib also significantly decreased cell migration. Cell migration is required for cancer cell metastasis, which is the major cause of cancer patient mortality. We identify MTK1 in the HER2/HER3-HRG mediated extracellular acidification and cell migration pathway in breast cancer cells.
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Affiliation(s)
- James J Sollome
- The Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ 85721, USA
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47
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Zhou ZN, Sharma VP, Beaty BT, Roh-Johnson M, Peterson EA, Van Rooijen N, Kenny PA, Wiley HS, Condeelis JS, Segall JE. Autocrine HBEGF expression promotes breast cancer intravasation, metastasis and macrophage-independent invasion in vivo. Oncogene 2013; 33:3784-93. [PMID: 24013225 PMCID: PMC3950352 DOI: 10.1038/onc.2013.363] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 06/27/2013] [Accepted: 07/16/2013] [Indexed: 01/04/2023]
Abstract
Increased expression of HBEGF in ER negative breast tumors is correlated with enhanced metastasis to distant organ sites and more rapid disease recurrence upon removal of the primary tumor. Our previous work has demonstrated a paracrine loop between breast cancer cells and macrophages in which the tumor cells are capable of stimulating macrophages through the secretion of CSF-1 while the tumor associated macrophages (TAMs) in turn aid in tumor cell invasion by secreting EGF. To determine how the autocrine expression of EGFR ligands by carcinoma cells would affect this paracrine loop mechanism, and in particular whether tumor cell invasion depends on spatial ligand gradients generated by TAMs, we generated cell lines with increased HBEGF expression. We find that autocrine HBEGF expression enhanced in vivo intravasation and metastasis, and resulted in a novel phenomenon in which macrophages were no longer required for in vivo invasion of breast cancer cells. In vitro studies revealed that expression of HBEGF enhanced invadopodium formation, thus providing a mechanism for cell autonomous invasion. The increased invadopodium formation was directly dependent on EGFR signaling, as demonstrated by a rapid decrease in invadopodia upon inhibition of autocrine HBEGF/EGFR signaling as well as inhibition of signaling downstream of EGFR activation. HBEGF expression also resulted in enhanced invadopodium function via upregulation of MMP2 and MMP9 expression. We conclude that high levels of HBEGF expression can short-circuit the tumor cell/macrophage paracrine invasion loop, resulting in enhanced tumor invasion that is independent of macrophage signaling.
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Affiliation(s)
- Z N Zhou
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - V P Sharma
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - B T Beaty
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - M Roh-Johnson
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - E A Peterson
- Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - N Van Rooijen
- Department of Molecular Cell Biology, Free University Medical Center, Amsterdam, The Netherlands
| | - P A Kenny
- Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - H S Wiley
- 1] Systems Biology Program, Pacific Northwest National Laboratory, Richland, WA, USA [2] Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, USA
| | - J S Condeelis
- 1] Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA [2] Gruss Lipper Center for Biophotonics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - J E Segall
- 1] Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, USA [2] Gruss Lipper Center for Biophotonics, Albert Einstein College of Medicine, Bronx, NY, USA
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Choi BK, Fan X, Deng H, Zhang N, An Z. ERBB3 (HER3) is a key sensor in the regulation of ERBB-mediated signaling in both low and high ERBB2 (HER2) expressing cancer cells. Cancer Med 2012; 1:28-38. [PMID: 23342251 PMCID: PMC3544427 DOI: 10.1002/cam4.10] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 05/18/2012] [Accepted: 05/21/2012] [Indexed: 12/19/2022] Open
Abstract
Aberrant expression and activation of EGFR and ERBB2 (HER2) have been successfully targeted for cancer therapeutics. Recent evidence from both basic and clinical studies suggests that ERBB3 (HER3) serves as a key activator of downstream signaling through dimerization with other ERBB proteins and plays a critical role in the widespread clinical resistance to EGFR and HER2 targeting cancer therapies. As a result, HER3 is actively pursued as an antibody therapeutic target for cancer. Ligand binding is thought to be a prerequisite for dimerization of HER3 with other ERBB proteins, which results in phosphorylation of its c-terminal tyrosine residues and activation of downstream AKT and MAPK signaling pathways. In this study, we report that an anti-HER2 monoclonal antibody (HER2Mab), which blocks HER2 dimerization with HER3, induces HER3 dimerization with EGFR in both low and high HER2 expressing cancer cells. Treatment of the low HER2 expressing MCF7 cancer cells with HER2Mab promoted cell proliferation and migration in the absence of HER3 ligand stimulation. Follow-up studies revealed that HER2Mab-induced HER3 signaling via EGFR/HER3 dimerization and activation of downstream AKT signaling pathways. These results suggest that equilibrium of dimerization among the ERBB proteins can be perturbed by HER2Mab and HER3 plays a key role in sensing the perturbation.
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Affiliation(s)
- Byung-Kwon Choi
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston Houston, Texas, USA
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Rainczuk A, Rao J, Gathercole J, Stephens AN. The emerging role of CXC chemokines in epithelial ovarian cancer. Reproduction 2012; 144:303-17. [PMID: 22771929 DOI: 10.1530/rep-12-0153] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In recent years, chemokines have generated intense investigations due to their involvement in both physiological and pathological processes of inflammation, particularly in ovarian biology. The physiological process of ovulation in the normal ovary involves various chemokines that mediate the healing of the ruptured endometrium. It is now being reported that many of these chemokines are also associated with the cancer of the ovary. Chronic inflammation underlies the progression of ovarian cancer; therefore, it raises the possibility that chemokines are involved in the inflammatory process and mediate immune responses that may favour or inhibit tumour progression. Ovarian cancer is a gynaecological cancer responsible for highest rate of mortality in women. Although there have been several investigations and advances in surgery and chemotherapy, the survival rate for this disease remains low. This is mainly because of a lack of specific symptoms and biomarkers for detection. In this review, we have discussed the emerging role of the CXC chemokines in epithelial ovarian cancer (EOC). The CXC group of chemokines is gaining importance in the field of ovarian cancer for being angiostatic and angiogenic in function. While there have been several studies on the angiogenesis function, emerging research shows that ELR(-) CXC chemokines, CXCL9 and CXCL10, are angiostatic. Importantly, the angiostatic chemokines can inhibit the progression of EOC. Given that there are currently no biomarkers or specific therapeutic targets for the disease, these chemokines are emerging as promising targets for therapy.
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Affiliation(s)
- Adam Rainczuk
- Prince Henry's Institute, Monash Medical Centre, Clayton, Victoria 3168, Australia
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