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Bica C, Tirpe A, Nutu A, Ciocan C, Chira S, Gurzau ES, Braicu C, Berindan-Neagoe I. Emerging roles and mechanisms of semaphorins activity in cancer. Life Sci 2023; 318:121499. [PMID: 36775114 DOI: 10.1016/j.lfs.2023.121499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023]
Abstract
Semaphorins are regulatory molecules that are linked to the modulation of several cancer processes, such as angiogenesis, cancer cell invasiveness and metastasis, tumor growth, as well as cancer cell survival. Semaphorin (SEMA) activity depends on the cancer histotypes and their particularities. In broad terms, the effects of SEMAs result from their interaction with specific receptors/co-receptors - Plexins, Neuropilins and Integrins - and the subsequent effects upon the downstream effectors (e.g. PI3K/AKT, MAPK/ERK). The present article serves as an integrative review work, discussing the broad implications of semaphorins in cancer, focusing on cell proliferation/survival, angiogenesis, invasion, metastasis, stemness, and chemo-resistance/response whilst highlighting their heterogeneity as a family. Herein, we emphasized that semaphorins are largely implicated in cancer progression, interacting with the tumor microenvironment components. Whilst some SEMAs (e.g. SEMA3A, SEMA3B) function widely as tumor suppressors, others (e.g. SEMA3C) act as pro-tumor semaphorins. The differences observed in terms of the biological structure of SEMAs and the particularities of each cancer histotypes require that each semaphorin be viewed as a unique entity, and its roles must be researched accordingly. A more in-depth and comprehensive view of the molecular mechanisms that promote and sustain the malignant behavior of cancer cells is of utmost importance.
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Affiliation(s)
- Cecilia Bica
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania.
| | - Alexandru Tirpe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania; Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400012 Cluj-Napoca, Romania.
| | - Andreea Nutu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania.
| | - Cristina Ciocan
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania.
| | - Sergiu Chira
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania.
| | - Eugen S Gurzau
- Cluj School of Public Health, College of Political, Administrative and Communication Sciences, Babes-Bolyai University, 7 Pandurilor Street, Cluj-Napoca, Romania; Environmental Health Center, 58 Busuiocului Street, 400240 Cluj-Napoca, Romania.
| | - Cornelia Braicu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania.
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 400337, Romania.
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Wang C, Song D, Huang Q, Liu Q. Advances in SEMA3F regulation of clinically high-incidence cancers. Cancer Biomark 2023; 38:131-142. [PMID: 37599522 DOI: 10.3233/cbm-230085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Cancer has become a leading cause of morbidity and mortality in recent years. Its high prevalence has had a severe impact on society. Researchers have achieved fruitful results in the causative factors, pathogenesis, treatment strategies, and cancer prevention. Semaphorin 3F (SEMA3F), a member of the signaling family, was initially reported in the literature to inhibit the growth, invasion, and metastasis of cancer cells in lung cancer. Later studies showed it has cancer-inhibiting effects in malignant tumors such as breast, colorectal, ovarian, oral squamous cell carcinoma, melanoma, and head and neck squamous carcinoma. In contrast, recent studies have reported that SEMA3F is expressed more in hepatocellular carcinoma than in normal tissue and promotes metastasis of hepatocellular carcinoma. We chose lung, breast, colorectal, and hepatocellular carcinomas with high clinical prevalence to review the roles and molecular mechanisms of SEMA3F in these four carcinomas. We concluded with an outlook on clinical interventions for patients targeting SEMA3F.
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Affiliation(s)
- Chaofeng Wang
- Guangxi Key Laboratory of Regenerative Medicine, Orthopaedic Department, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, China
| | - Dezhi Song
- Guangxi Key Laboratory of Regenerative Medicine, Orthopaedic Department, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, China
| | - Qian Huang
- Guangxi Key Laboratory of Regenerative Medicine, Orthopaedic Department, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Qian Liu
- Guangxi Key Laboratory of Regenerative Medicine, Orthopaedic Department, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, China
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Ye K, Ouyang X, Wang Z, Yao L, Zhang G. SEMA3F Promotes Liver Hepatocellular Carcinoma Metastasis by Activating Focal Adhesion Pathway. DNA Cell Biol 2020; 39:474-483. [PMID: 31968181 DOI: 10.1089/dna.2019.4904] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Previous studies have shown that semaphorin-3F (SEMA3F) functions as a tumor suppressor in several tumor types. However, the role of SEMA3F in the metastasis and prognosis of liver hepatocellular carcinoma (LIHC) remains unknown. In this study, by performing bioinformatics analysis on the transcriptome profiles from The Cancer Genome Atlas (TCGA), we demonstrated that SEMA3F was significantly upregulated in LIHC tissues, compared with normal controls. Moreover, the expression value of SEMA3F was positively correlated with patients' pathological stages and tumor metastasis, predicting a poor overall survival. Besides, SEMA3F expression level was negatively correlated with its methylation level, but positively correlated with its gene copy number. Differential expression analysis of LIHC samples with high or low SEMA3F expression values suggested that 983 genes were differentially expressed, among which 723 genes were upregulated and 260 genes were downregulated. Furthermore, enrichment analysis of differentially expressed genes revealed that SEMA3F was involved in the activation of focal adhesion pathway, which induced tumor metastasis. Taken together, our results suggested that the oncogenic function of SEMA3F promoted hepatocellular carcinoma metastasis by activating focal adhesion pathway.
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Affiliation(s)
- Ke Ye
- Department of General Surgery, Central South University, Xiangya Hospital, Changsha, Hunan, China
| | - Xiwu Ouyang
- Department of General Surgery, Central South University, Xiangya Hospital, Changsha, Hunan, China
| | - Zhiming Wang
- Department of General Surgery, Central South University, Xiangya Hospital, Changsha, Hunan, China
| | - Lei Yao
- Department of General Surgery, Central South University, Xiangya Hospital, Changsha, Hunan, China
| | - Gewen Zhang
- Department of General Surgery, Central South University, Xiangya Hospital, Changsha, Hunan, China
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Dziobek K, Opławski M, Grabarek B, Zmarzły N, Kiełbasiński R, Leśniak E, Januszyk P, Januszyk K, Adwent I, Dąbruś D, Kieszkowski P, Kiełbasiński K, Kuś-Kierach A, Boroń D. Changes in Expression Pattern of SEMA3F Depending on Endometrial Cancer Grade - Pilot Study. Curr Pharm Biotechnol 2020; 20:727-732. [PMID: 31215376 PMCID: PMC7046987 DOI: 10.2174/1389201020666190619145655] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 04/24/2019] [Accepted: 05/08/2019] [Indexed: 01/18/2023]
Abstract
Background: In the course of neoplastic diseases, a reduction in SEMA3F expression is observed, which translates into an increase in the proliferative and proangiogenic potential of cells forming the tumor and the surrounding microenvironment. Objective: The aim of this study was to determine the changes in SEMA3F level in endometrial cancer depending on its grade. Methods: The study material consisted of tissue samples: 15 without neoplastic changes (control group) and 45 with endometrial cancer (G1, 17; G2, 15; G3, 13; study group). SEMA3F expression was assessed using the immune-histochemical method. Results: The expression of SEMA3F was observed in the control group (Me = 159.38) and in the study group (G1, Me = 121.32; G2, Me = 0; G3, Me = 130.37). Differences between each grade and control and between individual grades were statistically significant. There were no significant correlations between SEMA3F expression and weight and Body Mass Index (BMI). The reduced SEMA3F expression in tumor tissue compared to healthy tissue indicates that this protein plays key roles in proliferation and angiogenesis. Conclusion: We found that depending on the severity of the disease, cancer adopts different survival strategies, where SEMA3F plays an important role. As a molecular marker, SEMA3F is not sensitive to weight and BMI.
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Affiliation(s)
- Konrad Dziobek
- Center of Oncology, M. Sklodowska-Curie Memorial Institute, Cracow Branch, Cracow, Poland
| | - Marcin Opławski
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
| | - Beniamin Grabarek
- Department of Molecular Biology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - Nikola Zmarzły
- Department of Molecular Biology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Katowice, Poland
| | - Robert Kiełbasiński
- Department of Obstetrics and Gynaecology ward, Health Center in Mikolow, Mikolow, Poland
| | - Ewa Leśniak
- Department of Obstetrics and Gynaecology ward, Health Center in Mikolow, Mikolow, Poland
| | - Piotr Januszyk
- Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
| | - Krzysztof Januszyk
- Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
| | - Iwona Adwent
- Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
| | - Dariusz Dąbruś
- Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
| | | | | | - Agnieszka Kuś-Kierach
- Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland
| | - Dariusz Boroń
- Center of Oncology, M. Sklodowska-Curie Memorial Institute, Cracow Branch, Cracow, Poland.,Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland.,Faculty of Health Science, Public Higher Medical Professional School in Opole, Opole, Poland.,Department of Histology and Cell Pathology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland.,Katowice School of Technology, The University of Science and Art in Katowice, Katowice, Poland
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Ko PH, Lenka G, Chen YA, Chuang EY, Tsai MH, Sher YP, Lai LC. Semaphorin 5A suppresses the proliferation and migration of lung adenocarcinoma cells. Int J Oncol 2019; 56:165-177. [PMID: 31789397 PMCID: PMC6910195 DOI: 10.3892/ijo.2019.4932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 11/13/2019] [Indexed: 12/26/2022] Open
Abstract
Semaphorin 5A (SEMA5A), a member of the semaphorin family, plays an important role in axonal guidance. Previously, the authors identified another possible role of SEMA5A as a prognostic biomarker for non-smoking women with lung adenocarcinoma in Taiwan, and this phenomenon has been validated in other ethnic groups. However, the functional significance of SEMA5A in lung adenocarcinoma remains unclear. Therefore, we assessed the function of SEMA5A in three lung adenocarcinoma cell lines in this study. Kaplan-Meier Plotter for lung cancer was conducted for survival analyses. Reverse transcription-quantitative PCR (RT-qPCR) and western blot analysis were performed to investigate the expression and post-translational regulation of SEMA5A in lung adenocar-cinoma cell lines. A pre-designed PyroMark CpG assay and 5-aza-2′-deoxycytidine treatment were used to measure the methylation levels of SEMA5A. The biological functions of lung adenocarcinoma cells overexpressing SEMA5A were investigated by microarrays, and validated both in vitro (proliferation, colony formation and migration assays) and in vivo (tumor xenografts) experiments. The results revealed that the hypermethylation of SEMA5A and the cleavage of the extracellular domain of SEMA5A were responsible for the downregulation of the SEMA5A levels in lung adenocarcinoma cells (A549 and H1299) as compared to the normal controls. Functional analysis of SEMA5A-regulated genes revealed that they were involved in cellular growth and proliferation. The overexpression of SEMA5A in A549 and H1299 cells significantly decreased the proliferation (P<0.01), colony formation (P<0.001) and migratory ability (P<0.01) of the cells. The suppressive effects of SEMA5A on the proliferative and migratory ability of the cells were also observed in both in vitro and in vivo experiments using brain metastatic Bm7 lung adenocarcinoma cells. On the whole, the findings of this study suggest a suppressive role for SEMA5A in lung adenocarcinoma involving the inhibition of the proliferation and migration of lung transformed cells.
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Affiliation(s)
- Pin-Hao Ko
- Graduate Institute of Physiology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan, R.O.C
| | - Govinda Lenka
- Graduate Institute of Physiology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan, R.O.C
| | - Yu-An Chen
- Bioinformatics and Biostatistics Core, Center of Genomic and Precision Medicine, National Taiwan University, Taipei 10055, Taiwan, R.O.C
| | - Eric Y Chuang
- Bioinformatics and Biostatistics Core, Center of Genomic and Precision Medicine, National Taiwan University, Taipei 10055, Taiwan, R.O.C
| | - Mong-Hsun Tsai
- Bioinformatics and Biostatistics Core, Center of Genomic and Precision Medicine, National Taiwan University, Taipei 10055, Taiwan, R.O.C
| | - Yuh-Pyng Sher
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 40402, Taiwan, R.O.C
| | - Liang-Chuan Lai
- Graduate Institute of Physiology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan, R.O.C
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Tan G. Inhibitory effects of Semaphorin 3F as an alternative candidate to anti-VEGF monoclonal antibody on angiogenesis. In Vitro Cell Dev Biol Anim 2019; 55:756-765. [DOI: 10.1007/s11626-019-00392-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/29/2019] [Indexed: 12/31/2022]
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7
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Multifaceted Functional Role of Semaphorins in Glioblastoma. Int J Mol Sci 2019; 20:ijms20092144. [PMID: 31052281 PMCID: PMC6539029 DOI: 10.3390/ijms20092144] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 04/19/2019] [Accepted: 04/24/2019] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma (GBM) is the most malignant tumor type affecting the adult central nervous system. Despite advances in therapy, the prognosis for patients with GBM remains poor, with a median survival of about 15 months. To date, few treatment options are available and recent trials based on the molecular targeting of some of the GBM hallmark pathways (e.g., angiogenesis) have not produced any significant improvement in overall survival. The urgent need to develop more efficacious targeted therapies has led to a better molecular characterization of GBM, revealing an emerging role of semaphorins in GBM progression. Semphorins are a wide group of membrane-bound and secreted proteins, originally identified as axon guidance cues, signaling through their receptors, neuropilins, and plexins. A number of semaphorin signals involved in the control of axonal growth and navigation during development have been found to furthermore participate in crosstalk with different dysfunctional GBM pathways, controlling tumor cell proliferation, migration, and invasion, as well as tumor angiogenesis or immune response. In this review, we summarize the regulatory activities mediated by semaphorins and their receptors on the oncogenic pathways implicated in GBM growth and invasive/metastatic progression.
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Class-3 Semaphorins and Their Receptors: Potent Multifunctional Modulators of Tumor Progression. Int J Mol Sci 2019; 20:ijms20030556. [PMID: 30696103 PMCID: PMC6387194 DOI: 10.3390/ijms20030556] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 01/21/2019] [Accepted: 01/22/2019] [Indexed: 12/28/2022] Open
Abstract
Semaphorins are the products of a large gene family containing 28 genes of which 21 are found in vertebrates. Class-3 semaphorins constitute a subfamily of seven vertebrate semaphorins which differ from the other vertebrate semaphorins in that they are the only secreted semaphorins and are distinguished from other semaphorins by the presence of a basic domain at their C termini. Class-3 semaphorins were initially characterized as axon guidance factors, but have subsequently been found to regulate immune responses, angiogenesis, lymphangiogenesis, and a variety of additional physiological and developmental functions. Most class-3 semaphorins transduce their signals by binding to receptors belonging to the neuropilin family which subsequently associate with receptors of the plexin family to form functional class-3 semaphorin receptors. Recent evidence suggests that class-3 semaphorins also fulfill important regulatory roles in multiple forms of cancer. Several class-3 semaphorins function as endogenous inhibitors of tumor angiogenesis. Others were found to inhibit tumor metastasis by inhibition of tumor lymphangiogenesis, by direct effects on the behavior of tumor cells, or by modulation of immune responses. Notably, some semaphorins such as sema3C and sema3E have also been found to potentiate tumor progression using various mechanisms. This review focuses on the roles of the different class-3 semaphorins in tumor progression.
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The extracellular SEMA domain attenuates intracellular apoptotic signaling of semaphorin 6A in lung cancer cells. Oncogenesis 2018; 7:95. [PMID: 30518871 PMCID: PMC6281666 DOI: 10.1038/s41389-018-0105-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 10/01/2018] [Accepted: 11/14/2018] [Indexed: 12/27/2022] Open
Abstract
Semaphorin 6A (SEMA6A), a membrane-bound protein, is downregulated in lung cancer tissue compared to its adjacent normal tissue. However, the functions of SEMA6A in lung cancer cells are still unclear. In the present study, full length SEMA6A and various truncations were transfected into lung cancer cells to investigate the role of the different domains of SEMA6A in cell proliferation and survival, apoptosis, and in vivo tumor growth. SEMA6A-induced cell signaling was explored using gene silencing, co-immunoprecipitation, and co-culture assays. Our results showed that overexpression of SEMA6A reduced the growth of lung cancer cells in vitro and in vivo, and silencing SEMA6A increased the proliferation of normal lung fibroblasts. Truncated SEMA6A lacking the SEMA domain or the extracellular region induced more apoptosis than full length SEMA6A, and reintroducing the SEMA domain attenuated the apoptosis. Fas-associated protein with death domain (FADD) bound to the cytosolic region of truncated SEMA6A and was involved in SEMA6A-associated cytosol-induced apoptosis. This study suggests a novel function of SEMA6A in inducing apoptosis via FADD binding in lung cancer cells.
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Nakayama H, Kusumoto C, Nakahara M, Fujiwara A, Higashiyama S. Semaphorin 3F and Netrin-1: The Novel Function as a Regulator of Tumor Microenvironment. Front Physiol 2018; 9:1662. [PMID: 30532711 PMCID: PMC6265511 DOI: 10.3389/fphys.2018.01662] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 11/05/2018] [Indexed: 01/13/2023] Open
Abstract
Axon guidance molecules play an important role in regulating proper neuronal networking during neuronal development. They also have non-neuronal properties, which include angiogenesis, inflammation, and tumor development. Semaphorin 3F (SEMA3F), a member of the class 3 semaphorins, was initially identified as an axon guidance factor, that repels axons and collapses growth cones. However, SEMA3F has similar effects on endothelial cells (ECs) and tumor cells. In this review, we discuss the novel molecular mechanisms underlying SEMA3F activity in vascular and tumor biology. Recent evidence suggests that SEMA3F functions as a PI3K-Akt-mTOR inhibitor in mammalian cells, including T cells, ECs, and tumor cells. Therefore, SEMA3F may have broad therapeutic implications. We also discuss the key role of axon guidance molecules as regulators of the tumor microenvironment. Netrin-1, a chemoattractant factor in the neuronal system, promotes tumor progression by enhancing angiogenesis and metastasis. Moreover, our recent studies demonstrate that netrin-1/neogenin interactions augment CD4+ T cell chemokinesis and elicit pro-inflammatory responses, suggesting that netrin-1 plays a key role in modulating the function of a tumor and its surrounding cells in the tumor microenvironment. Overall, this review focuses on SEMA3F and netrin-1 signaling mechanisms to understand the diverse biological functions of axon guidance molecules.
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Affiliation(s)
- Hironao Nakayama
- Department of Medical Science and Technology, Hiroshima International University, Higashihiroshima, Japan.,Division of Cell Growth and Tumor Regulation, Proteo-Science Center, Ehime University, Toon, Japan
| | - Chiaki Kusumoto
- Department of Medical Science and Technology, Hiroshima International University, Higashihiroshima, Japan
| | - Masako Nakahara
- Department of Medical Science and Technology, Hiroshima International University, Higashihiroshima, Japan
| | - Akira Fujiwara
- Department of Medical Science and Technology, Hiroshima International University, Higashihiroshima, Japan
| | - Shigeki Higashiyama
- Division of Cell Growth and Tumor Regulation, Proteo-Science Center, Ehime University, Toon, Japan
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Nakayama H, Higashiyama S. [Novel function of axon guidance molecule as a regulator of tumor microenvironment]. Nihon Yakurigaku Zasshi 2018; 150:286-292. [PMID: 29225291 DOI: 10.1254/fpj.150.286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Abstract
Semaphorins are extracellular signaling proteins that are essential for the development and maintenance of many organs and tissues. The more than 20-member semaphorin protein family includes secreted, transmembrane and cell surface-attached proteins with diverse structures, each characterized by a single cysteine-rich extracellular sema domain, the defining feature of the family. Early studies revealed that semaphorins function as axon guidance molecules, but it is now understood that semaphorins are key regulators of morphology and motility in many different cell types including those that make up the nervous, cardiovascular, immune, endocrine, hepatic, renal, reproductive, respiratory and musculoskeletal systems, as well as in cancer cells. Semaphorin signaling occurs predominantly through Plexin receptors and results in changes to the cytoskeletal and adhesive machinery that regulate cellular morphology. While much remains to be learned about the mechanisms underlying the effects of semaphorins, exciting work has begun to reveal how semaphorin signaling is fine-tuned through different receptor complexes and other mechanisms to achieve specific outcomes in various cellular contexts and physiological systems. These and future studies will lead to a more complete understanding of semaphorin-mediated development and to a greater understanding of how these proteins function in human disease.
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Affiliation(s)
- Laura Taylor Alto
- Departments of Neuroscience and Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Jonathan R Terman
- Departments of Neuroscience and Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.
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Expression of semaphorin class 3 is higher in the proliferative phase on the human endometrium. Arch Gynecol Obstet 2018; 297:1175-1179. [PMID: 29450692 DOI: 10.1007/s00404-018-4719-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 02/09/2018] [Indexed: 12/23/2022]
Abstract
PURPOSE The semaphorins are related to angiogenesis and cell proliferation depending on the tissue. The purpose of this study was to assess gene expression of class 3 semaphorin (SEMA3A-F) and protein expression of semaphorin 3A (SEMA3A) within human endometrium throughout the menstrual cycle. METHODS Gene expression of SEMA3A-F was analyzed by real-time PCR (qRT-PCR) and protein expression of SEMA3A was analyzed by ELISA in endometrial biopsies in the proliferative and secretory phase of the menstrual cycle. RESULTS Gene expression of SEMA3A, SEMA3C, SEMA3D, and SEMA3E was statistically significant decreased in secretory compared to proliferative phase endometrium (p < 0.05). Accordingly, SEMA3A protein expression in the secretory phase was lower than protein expression in proliferative phase endometrium (p ≤ 0.05). CONCLUSION SEMA3A, 3C, 3D, and 3E are possibly related to cell proliferation in the endometrium, being more expressed in the proliferative phase of the cycle. This finding may stimulate studies of class 3 semaphorins as a possible target for treatment of endometrial pathologies.
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Liu Y, Li R, Yin K, Ren G, Zhang Y. The crucial role of SEMA3F in suppressing the progression of oral squamous cell carcinoma. Cell Mol Biol Lett 2017; 22:32. [PMID: 29299034 PMCID: PMC5745788 DOI: 10.1186/s11658-017-0064-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 12/15/2017] [Indexed: 01/19/2023] Open
Abstract
Background Oral squamous cell carcinoma (OSCC) is one of the most common types of malignancy. Semaphorin 3F (SEMA3F) is highly conserved but present at a lower level in various cancers than in healthy tissues. While it has been reported that SEMA3F is involved in cancer cell proliferation, migration and invasion, its function in OSCC remains unknown. Methods The expression of SEMA3F in OSCC tissues and OSCC-derived cells was analyzed using qRT-PCR and western blotting. Using SAS and HSC2 cells, we also monitored the effect of SEMA3F on OSCC cell proliferation, migration and invasion using MTT, colony formation and transwell assays. The function of SEMA3F in OSCC tumor formation was also assessed in vivo. Results SEMA3F was significantly downregulated in OSCC tissues and OSCC-derived cells. SEMA3F shows growth inhibitory activity in SAS and HSC2 cells and may act as a tumor suppressor. It can inhibit the migration and invasion potential of OSCC cells. Our results also demonstrate that SEMA3F can suppress the growth of OSCC cells in vivo. Conclusions This study revealed that SEMA3F plays a role as a tumor suppressor in OSCC cell proliferation, migration and invasion. Our finding provides new insight into the progression of OSCC. Therapeutically, SEMA3F has some potential as a target for OSCC treatment, given sufficient future research.
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Affiliation(s)
- Yi Liu
- Department of Stomatology, Tianjin First Center Hospital, Tianjin, 300192 People's Republic of China
| | - Ronghua Li
- Department of Stomatology, Tianjin First Center Hospital, Tianjin, 300192 People's Republic of China
| | - Kai Yin
- Department of Stomatology, Tianjin First Center Hospital, Tianjin, 300192 People's Republic of China
| | - Gang Ren
- Department of Stomatology, Tianjin First Center Hospital, Tianjin, 300192 People's Republic of China
| | - Yongdong Zhang
- Department of Stomatology, Tianjin First Center Hospital, Tianjin, 300192 People's Republic of China
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Bollard J, Massoma P, Vercherat C, Blanc M, Lepinasse F, Gadot N, Couderc C, Poncet G, Walter T, Joly MO, Hervieu V, Scoazec JY, Roche C. The axon guidance molecule semaphorin 3F is a negative regulator of tumor progression and proliferation in ileal neuroendocrine tumors. Oncotarget 2017; 6:36731-45. [PMID: 26447612 PMCID: PMC4742207 DOI: 10.18632/oncotarget.5481] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 09/21/2015] [Indexed: 12/17/2022] Open
Abstract
Gastro-intestinal neuroendocrine tumors (GI-NETs) are rare neoplasms, frequently metastatic, raising difficult clinical and therapeutic challenges due to a poor knowledge of their biology. As neuroendocrine cells express both epithelial and neural cell markers, we studied the possible involvement in GI-NETs of axon guidance molecules, which have been shown to decrease tumor cell proliferation and metastatic dissemination in several tumor types. We focused on the role of Semaphorin 3F (SEMA3F) in ileal NETs, one of the most frequent subtypes of GI-NETs. SEMA3F expression was detected in normal neuroendocrine cells but was lost in most of human primary tumors and all their metastases. SEMA3F loss of expression was associated with promoter gene methylation. After increasing endogenous SEMA3F levels through stable transfection, enteroendocrine cell lines STC-1 and GluTag showed a reduced proliferation rate in vitro. In two different xenograft mouse models, SEMA3F-overexpressing cells exhibited a reduced ability to form tumors and a hampered liver dissemination potential in vivo. This resulted, at least in part, from the inhibition of mTOR and MAPK signaling pathways. This study demonstrates an anti-tumoral role of SEMA3F in ileal NETs. We thus suggest that SEMA3F and/or its cellular signaling pathway could represent a target for ileal NET therapy.
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Affiliation(s)
- Julien Bollard
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France
| | - Patrick Massoma
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France
| | - Cécile Vercherat
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France
| | - Martine Blanc
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France
| | - Florian Lepinasse
- Hospices Civils de Lyon, Hôpital Edouard Herriot, Service Central d'Anatomie et de Cytologie Pathologiques, F-69437 Lyon, France
| | - Nicolas Gadot
- Université Lyon 1, Fédération de Recherche Santé Lyon-Est, ANIPATH, Faculté Laennec, F-69372 Lyon, France
| | - Christophe Couderc
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France
| | - Gilles Poncet
- Hospices Civils de Lyon, Hôpital Edouard Herriot, Fédération des Spécialités Digestives, F-69437 Lyon, France
| | - Thomas Walter
- Hospices Civils de Lyon, Hôpital Edouard Herriot, Fédération des Spécialités Digestives, F-69437 Lyon, France
| | - Marie-Odile Joly
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France.,Hospices Civils de Lyon, Hôpital Edouard Herriot, Service Central d'Anatomie et de Cytologie Pathologiques, F-69437 Lyon, France.,Université de Lyon, Université Lyon 1, F-69622 Villeurbanne, France
| | - Valérie Hervieu
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France.,Hospices Civils de Lyon, Hôpital Edouard Herriot, Service Central d'Anatomie et de Cytologie Pathologiques, F-69437 Lyon, France.,Université de Lyon, Université Lyon 1, F-69622 Villeurbanne, France
| | - Jean-Yves Scoazec
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France.,Hospices Civils de Lyon, Hôpital Edouard Herriot, Service Central d'Anatomie et de Cytologie Pathologiques, F-69437 Lyon, France.,Université Lyon 1, Fédération de Recherche Santé Lyon-Est, ANIPATH, Faculté Laennec, F-69372 Lyon, France.,Université de Lyon, Université Lyon 1, F-69622 Villeurbanne, France
| | - Colette Roche
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Equipe «Différenciation endocrine et tumorigenèse», Faculté Laënnec, F-69372 Lyon, France
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Neufeld G, Mumblat Y, Smolkin T, Toledano S, Nir-Zvi I, Ziv K, Kessler O. The role of the semaphorins in cancer. Cell Adh Migr 2016; 10:652-674. [PMID: 27533782 PMCID: PMC5160032 DOI: 10.1080/19336918.2016.1197478] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 05/19/2016] [Accepted: 05/30/2016] [Indexed: 12/16/2022] Open
Abstract
The semaphorins were initially characterized as axon guidance factors, but have subsequently been implicated also in the regulation of immune responses, angiogenesis, organ formation, and a variety of additional physiological and developmental functions. The semaphorin family contains more then 20 genes divided into 7 subfamilies, all of which contain the signature sema domain. The semaphorins transduce signals by binding to receptors belonging to the neuropilin or plexin families. Additional receptors which form complexes with these primary semaphorin receptors are also frequently involved in semaphorin signaling. Recent evidence suggests that semaphorins also fulfill important roles in the etiology of multiple forms of cancer. Some semaphorins have been found to function as bona-fide tumor suppressors and to inhibit tumor progression by various mechanisms while other semaphorins function as inducers and promoters of tumor progression.
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Affiliation(s)
- Gera Neufeld
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Yelena Mumblat
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Tatyana Smolkin
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Shira Toledano
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Inbal Nir-Zvi
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Keren Ziv
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Ofra Kessler
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
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Neufeld G, Mumblat Y, Smolkin T, Toledano S, Nir-Zvi I, Ziv K, Kessler O. The semaphorins and their receptors as modulators of tumor progression. Drug Resist Updat 2016; 29:1-12. [DOI: 10.1016/j.drup.2016.08.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Revised: 07/31/2016] [Accepted: 08/23/2016] [Indexed: 12/16/2022]
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Ko JA, Minamoto A, Sugimoto Y, Kiuchi Y. Down-regulation of semaphorin 3F in rat retinal ganglion cells in response to optic nerve crush. Cell Biochem Funct 2016; 34:378-84. [DOI: 10.1002/cbf.3200] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 05/26/2016] [Accepted: 05/26/2016] [Indexed: 01/04/2023]
Affiliation(s)
- Ji-Ae Ko
- Department of Ophthalmology; Hiroshima University Graduate School of Biomedical Sciences; Hiroshima City Hiroshima Japan
| | - Akira Minamoto
- Department of Ophthalmology; Hiroshima University Graduate School of Biomedical Sciences; Hiroshima City Hiroshima Japan
| | - Yosuke Sugimoto
- Department of Ophthalmology; Hiroshima University Graduate School of Biomedical Sciences; Hiroshima City Hiroshima Japan
| | - Yoshiaki Kiuchi
- Department of Ophthalmology; Hiroshima University Graduate School of Biomedical Sciences; Hiroshima City Hiroshima Japan
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Nasarre P, Gemmill RM, Drabkin HA. The emerging role of class-3 semaphorins and their neuropilin receptors in oncology. Onco Targets Ther 2014; 7:1663-87. [PMID: 25285016 PMCID: PMC4181631 DOI: 10.2147/ott.s37744] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The semaphorins, discovered over 20 years ago, are a large family of secreted or transmembrane and glycophosphatidylinositol -anchored proteins initially identified as axon guidance molecules crucial for the development of the nervous system. It has now been established that they also play important roles in organ development and function, especially involving the immune, respiratory, and cardiovascular systems, and in pathological disorders, including cancer. During tumor progression, semaphorins can have both pro- and anti-tumor functions, and this has created complexities in our understanding of these systems. Semaphorins may affect tumor growth and metastases by directly targeting tumor cells, as well as indirectly by interacting with and influencing cells from the micro-environment and vasculature. Mechanistically, semaphorins, through binding to their receptors, neuropilins and plexins, affect pathways involved in cell adhesion, migration, invasion, proliferation, and survival. Importantly, neuropilins also act as co-receptors for several growth factors and enhance their signaling activities, while class 3 semaphorins may interfere with this. In this review, we focus on the secreted class 3 semaphorins and their neuropilin co-receptors in cancer, including aspects of their signaling that may be clinically relevant.
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Affiliation(s)
- Patrick Nasarre
- Division of Hematology-Oncology, The Hollings Cancer Center and Medical University of South Carolina, Charleston, SC, USA
| | - Robert M Gemmill
- Division of Hematology-Oncology, The Hollings Cancer Center and Medical University of South Carolina, Charleston, SC, USA
| | - Harry A Drabkin
- Division of Hematology-Oncology, The Hollings Cancer Center and Medical University of South Carolina, Charleston, SC, USA
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Sharma A, LeVaillant CJ, Plant GW, Harvey AR. Changes in expression of Class 3 Semaphorins and their receptors during development of the rat retina and superior colliculus. BMC DEVELOPMENTAL BIOLOGY 2014; 14:34. [PMID: 25062604 PMCID: PMC4121511 DOI: 10.1186/s12861-014-0034-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 07/15/2014] [Indexed: 12/28/2022]
Abstract
Background Members of the Semaphorin 3 family (Sema3s) influence the development of the central nervous system, and some are implicated in regulating aspects of visual system development. However, we lack information about the timing of expression of the Sema3s with respect to different developmental epochs in the mammalian visual system. In this time-course study in the rat, we document for the first time changes in the expression of RNAs for the majority of Class 3 Semaphorins (Sema3s) and their receptor components during the development of the rat retina and superior colliculus (SC). Results During retinal development, transcript levels changed for all of the Sema3s examined, as well as Nrp2, Plxna2, Plxna3, and Plxna4a. In the SC there were also changes in transcript levels for all Sema3s tested, as well as Nrp1, Nrp2, Plxna1, Plxna2, Plxna3, and Plxna4a. These changes correlate with well-established epochs, and our data suggest that the Sema3s could influence retinal ganglion cell (RGC) apoptosis, patterning and connectivity in the maturing retina and SC, and perhaps guidance of RGC and cortical axons in the SC. Functionally we found that SEMA3A, SEMA3C, SEMA3E, and SEMA3F proteins collapsed purified postnatal day 1 RGC growth cones in vitro. Significantly this is a developmental stage when RGCs are growing into and within the SC and are exposed to Sema3 ligands. Conclusion These new data describing the overall temporal regulation of Sema3 expression in the rat retina and SC provide a platform for further work characterising the functional impact of these proteins on the development and maturation of mammalian visual pathways.
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Affiliation(s)
- Anil Sharma
- School of Anatomy, Physiology and Human Biology, The University of Western Australia, 35 Stirling Highway, Crawley 6009, WA, Australia.
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Treps L, Le Guelte A, Gavard J. Emerging roles of Semaphorins in the regulation of epithelial and endothelial junctions. Tissue Barriers 2014; 1:e23272. [PMID: 24665374 PMCID: PMC3879177 DOI: 10.4161/tisb.23272] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Revised: 12/11/2012] [Accepted: 12/13/2012] [Indexed: 12/13/2022] Open
Abstract
Tissue barriers maintain homeostasis, protect underlying tissues, are remodeled during organogenesis and injury and limit aberrant proliferation and dissemination. In this context, endothelial and epithelial intercellular junctions are the primary targets of various cues. This cellular adaptation requires plasticity and dynamics of adhesion molecules and the associated cytoskeleton, as well as the adhesive-linked signaling platforms. It is therefore not surprising that the guidance molecules from the Semaphorin family arise as novel modifiers of epithelia and endothelia in development and diseases. This review will focus on the actions of Semaphorins, and their cognate receptors, Plexins and Neuropilins, on epithelial and endothelial barrier properties.
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Affiliation(s)
- Lucas Treps
- CNRS; UMR8104; Paris, France ; Inserm; U1016; Paris, France ; Université Paris Descartes; Sorbonne Paris Cite; Paris, France
| | - Armelle Le Guelte
- CNRS; UMR8104; Paris, France ; Inserm; U1016; Paris, France ; Université Paris Descartes; Sorbonne Paris Cite; Paris, France
| | - Julie Gavard
- CNRS; UMR8104; Paris, France ; Inserm; U1016; Paris, France ; Université Paris Descartes; Sorbonne Paris Cite; Paris, France
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22
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Gleevec/imatinib, an ABL2 kinase inhibitor, protects tumor and endothelial cells from semaphorin-induced cytoskeleton collapse and loss of cell motility. Biochem Biophys Res Commun 2014; 448:134-8. [PMID: 24759231 DOI: 10.1016/j.bbrc.2014.04.063] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Accepted: 04/12/2014] [Indexed: 11/20/2022]
Abstract
Class 3 semaphorins are axonal guidance mediators and regulators of angiogenesis and tumor progression. Semaphorin 3A and 3F (SEMA3A&F) act by depolymerizing F-actin, resulting in cytoskeleton collapse. A key signaling step is that SEMA3A&F activates ABL2 tyrosine kinase, which activates p190RhoGAP, which in turn inactivates RhoA, thereby diminishing stress fiber formation and ensuing cell migration. We now demonstrate that Gleevec (imatinib, STI571), an ABL2 tyrosine kinase inhibitor, abrogates SEMA3A&F-induced stress fiber loss in glioblastoma cells and endothelial cells and diminishes their ability to inhibit migration. On the other hand, Sutent (sunitinib), a receptor tyrosine kinase inhibitor, did not rescue SEMA3A&F-induced collapsing activity. These results describe a novel property of Gleevec, its ability to antagonize semaphorins.
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Rehman M, Tamagnone L. Semaphorins in cancer: biological mechanisms and therapeutic approaches. Semin Cell Dev Biol 2013; 24:179-89. [PMID: 23099250 DOI: 10.1016/j.semcdb.2012.10.005] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Revised: 10/15/2012] [Accepted: 10/17/2012] [Indexed: 01/07/2023]
Abstract
The hallmarks of cancer include multiple alterations in the physiological processes occurring in normal tissues, such as cell proliferation, apoptosis, and restricted cell migration. These aberrant behaviors are due to genetic and epigenetic changes that affect signaling pathways controlling cancer cells, as well as the surrounding "normal" cells in the tumor microenvironment. Semaphorins and their receptors (mainly plexins and neuropilins) are aberrantly expressed in human tumors, and multiple family members are emerging as pivotal signals deregulated in cancer. Notably, different semaphorins can promote or inhibit tumor progression, depending on the implicated receptor complexes and responsive cell type. The important role of semaphorin signals in the regulation of tumor angiogenesis, invasion and metastasis has initiated multiple experimental approaches aimed at targeting these pathways to inhibit cancer.
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Affiliation(s)
- Michael Rehman
- Institute for Cancer Research at Candiolo (IRC@C), University of Torino-Dept. of Oncology, 10060 Candiolo, Italy
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24
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Gu C, Giraudo E. The role of semaphorins and their receptors in vascular development and cancer. Exp Cell Res 2013; 319:1306-16. [PMID: 23422037 DOI: 10.1016/j.yexcr.2013.02.003] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 02/06/2013] [Indexed: 02/07/2023]
Abstract
Semaphorins (Semas) are a large family of traditional axon guidance molecules. Through interactions with their receptors, Plexins and Neuropilins, Semas play critical roles in a continuously growing list of diverse biological systems. In this review, we focus on their function in regulating vascular development. In addition, over the past few years a number of findings have shown the crucial role that Semas and their receptors play in the regulation of cancer progression and tumor angiogenesis. In particular, Semas control tumor progression by directly influencing the behavior of cancer cells or, indirectly, by modulating angiogenesis and the function of other cell types in the tumor microenvironment (i.e., inflammatory cells and fibroblasts). Some Semas can activate or inhibit tumor progression and angiogenesis, while others may have the opposite effect depending on specific post-translational modifications. Here we will also discuss the diverse biological effects of Semas and their receptor complexes on cancer progression as well as their impact on the tumor microenvironment.
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Affiliation(s)
- Chenghua Gu
- Department of Neurobiology, Harvard Medical School, 220 Longwood Ave, Boston, MA 02115, USA.
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25
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Serini G, Bussolino F, Maione F, Giraudo E. Class 3 semaphorins: physiological vascular normalizing agents for anti-cancer therapy. J Intern Med 2013. [PMID: 23198760 DOI: 10.1111/joim.12017] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Findings from preclinical and clinical studies show that vascular normalization represents a novel strategy to enhance the efficacy of and overcome the acquired resistance to anti-angiogenic therapies in cancer. Several mechanisms of tumour vessel normalization have been revealed. Amongst them, secreted class 3 semaphorins (Sema3), which regulate axon guidance and angiogenesis, have been recently identified as novel vascular normalizing agents that inhibit metastatic dissemination by restoring vascular function. Here, we discuss the different biological functions and mechanisms of action of Sema3 in the context of tumour vascular normalization, and their impact on the different cellular components of the tumour microenvironment.
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Affiliation(s)
- G Serini
- Institute for Cancer Research at Candiolo (IRCC), University of Torino, Turin, Italy
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The role of semaphorins and their receptors in gliomas. JOURNAL OF SIGNAL TRANSDUCTION 2012; 2012:902854. [PMID: 23050142 PMCID: PMC3461631 DOI: 10.1155/2012/902854] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 08/06/2012] [Indexed: 12/12/2022]
Abstract
Gliomas are the most common tumor in the central nervous system. High-grade glioblastomas are characterized by their high invasiveness and resistance to radiotherapy, leading to high recurrence rate and short median survival despite radical surgical resection. Characterizations of gliomas at molecular level have revealed aberrations of various growth factor receptors, receptor tyrosine kinases, and tumor suppressor genes that lead to deregulation of multiple signaling pathways, thereby contributing to abnormal proliferation, invasion, and resistance to apoptosis in cancer cells. Recently, accumulating evidence points to the emerging role of axon guidance molecules in glioma progression. Notably, many signaling events harnessed by guidance molecules to regulate cell migration and axon navigation during development are also found to be involved in the modulation of deregulated pathways in gliomas. This paper focused on the signalings triggered by the guidance molecule semaphorins and their receptors plexins and neuropilins, and how their crosstalk with oncogenic pathways in gliomas might modulate cancer progression. The emerging role of semaphorins and plexins as tumor suppressors or oncogenes is also discussed.
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Abstract
Solid tumors not only comprise malignant cells but also other nonmalignant cell types, forming a unique microenvironment that can strongly influence the behavior of tumor cells. Recent advances in the understanding of cancer biology have highlighted the functional role of semaphorins. In fact, semaphorins form a family of molecular signals known to guide and control cell migration during embryo development and in adults. Tumor cells express semaphorins as well as their receptors, plexins and neuropilins. It has been shown that semaphorin signaling can regulate tumor cell behavior. Moreover, semaphorins are important regulators of tumor angiogenesis. Conversely, very little is known about the functional relevance of semaphorin signals for tumor-infiltrating stromal cells, such as leukocytes. In this chapter, we review the current knowledge on the functional role of semaphorins in cancer progression, and we focus on the emerging role of semaphorins in mediating the cross talk between tumor cells and different tumor stromal cells.
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Affiliation(s)
- Claudia Muratori
- University of Torino Medical School, Institute for Cancer Research (IRCC), Candiolo, Turin, Italy
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Goshima Y, Sasaki Y, Yamashita N, Nakamura F. Class 3 semaphorins as a therapeutic target. Expert Opin Ther Targets 2012; 16:933-44. [DOI: 10.1517/14728222.2012.710201] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Sharma A, Verhaagen J, Harvey AR. Receptor complexes for each of the Class 3 Semaphorins. Front Cell Neurosci 2012; 6:28. [PMID: 22783168 PMCID: PMC3389612 DOI: 10.3389/fncel.2012.00028] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Accepted: 06/20/2012] [Indexed: 01/08/2023] Open
Abstract
The Class 3 Semaphorins (Sema3s) are a sub-family of proteins whose known biological roles are varied and growing. The mechanism of action of the Sema3s requires binding to transmembrane receptors that comprise heteromeric complexes of Neuropilins, Plexins and cell adhesion molecules (CAMs). However, knowledge of the receptor components of the Sema3s remains incomplete, and there may be receptor components which are as yet undiscovered. The receptor complexes of the Sema3s share receptor components with each other, and it is the specific combination of these components within a heteromeric complex that is thought to give rise to selective binding and signalling for individual Sema3s. This crosstalk makes it experimentally difficult to define a single holoreceptor for each Sema3. Furthermore, the receptor composition for a given Sema3 may differ between cell types, and change as a function of developmental state or pathological situation. Nevertheless, there are at least some known differences in the constitutive structure of the receptors for the Sema3s. For example in neural cells, Sema3a and Sema3f signal through different Neuropilins (Nrp1 and Nrp2 respectively) and L1cam only appears important for Sema3a signaling, while Nrcam forms a complex with Nrp2. Further complexity arises from crosstalk of other families of ligands (e.g., VEGF) with Sema3 receptor components. Thus the Sema3s, which have been shown as antagonists for each other, can also act as antagonists for other families of molecules. This review compiles experimental evidence describing the receptor components for the Sema3s, detailing the current state of knowledge of which components are important for signaling of each Sema3 before going on to consider possible future directions for the field.
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Affiliation(s)
- Anil Sharma
- School of Anatomy, Physiology and Human Biology, The University of Western Australia, Crawley WA, Australia
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Semaphorin 3A suppresses tumor growth and metastasis in mice melanoma model. PLoS One 2012; 7:e33633. [PMID: 22448259 PMCID: PMC3308985 DOI: 10.1371/journal.pone.0033633] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2011] [Accepted: 02/16/2012] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Recent understanding on cancer therapy indicated that targeting metastatic signature or angiogenic switch could be a promising and rational approach to combat cancer. Advancement in cancer research has demonstrated the potential role of various tumor suppressor proteins in inhibition of cancer progression. Current studies have shown that axonal sprouting inhibitor, semaphorin 3A (Sema 3A) acts as a potent suppressor of tumor angiogenesis in various cancer models. However, the function of Sema 3A in regulation of melanoma progression is not well studied, and yet to be the subject of intense investigation. METHODOLOGY/PRINCIPAL FINDINGS In this study, using multiple in vitro and in vivo approaches we have demonstrated that Sema 3A acts as a potent tumor suppressor in vitro and in vivo mice (C57BL/6) models. Mouse melanoma (B16F10) cells overexpressed with Sema 3A resulted in significant inhibition of cell motility, invasiveness and proliferation as well as suppression of in vivo tumor growth, angiogenesis and metastasis in mice models. Moreover, we have observed that Sema 3A overexpressed melanoma clone showed increased sensitivity towards curcumin and Dacarbazine, anti-cancer agents. CONCLUSIONS Our results demonstrate, at least in part, the functional approach underlying Sema 3A mediated inhibition of tumorigenesis and angiogenesis and a clear understanding of such a process may facilitate the development of novel therapeutic strategy for the treatment of cancer.
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Xiong G, Wang C, Evers BM, Zhou BP, Xu R. RORα suppresses breast tumor invasion by inducing SEMA3F expression. Cancer Res 2012; 72:1728-39. [PMID: 22350413 DOI: 10.1158/0008-5472.can-11-2762] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Inactivation of tumor suppressors and inhibitory microenvironmental factors is necessary for breast cancer invasion; therefore, identifying those suppressors and factors is crucial not only to advancing our knowledge of breast cancer, but also to discovering potential therapeutic targets. By analyzing gene expression profiles of polarized and disorganized human mammary epithelial cells in a physiologically relevant three-dimensional (3D) culture system, we identified retinoid orphan nuclear receptor alpha (RORα) as a transcription regulator of semaphorin 3F (SEMA3F), a suppressive microenvironmental factor. We showed that expression of RORα was downregulated in human breast cancer tissue and cell lines, and that reduced mRNA levels of RORα and SEMA3F correlated with poor prognosis. Restoring RORα expression reprogrammed breast cancer cells to form noninvasiveness structures in 3D culture and inhibited tumor growth in nude mice, accompanied by enhanced SEMA3F expression. Inactivation of RORα in nonmalignant human mammary epithelial cells inhibited SEMA3F transcription and impaired polarized acinar morphogenesis. Using chromatin immunoprecipitation and luciferase reporter assays, we showed that transcription of SEMA3F is directly regulated by RORα. Knockdown of SEMA3F in RORα-expressing cancer cells rescued the aggressive 3D phenotypes and tumor invasion. These findings indicate that RORα is a potential tumor suppressor and inhibits tumor invasion by inducing suppressive cell microenvironment.
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Affiliation(s)
- Gaofeng Xiong
- Markey Cancer Center, and the Department of Molecular and Biomedical Pharmacology, Surgery, and Molecular and Cellular Biochemistry, University of Kentucky, Lexington, Kentucky 40536, USA
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Graf N, McLean M, Capellino S, Schölmerich J, Murray GI, El-Omar EM, Straub RH. Loss of sensory and noradrenergic innervation in benign colorectal adenomatous polyps--a putative role of semaphorins 3F and 3A. Neurogastroenterol Motil 2012; 24:120-8, e83. [PMID: 22093159 DOI: 10.1111/j.1365-2982.2011.01818.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Nerve fibers can exert trophic/anti-trophic effects on epithelial cells. Substance P (SP) is a pro-proliferative neuropeptide, whereas sympathetic noradrenaline is anti-proliferative at high concentrations. METHODS Density of noradrenergic and sensory nerve fibers and presence of nerve repellent factors specific for noradrenergic (semaphorin 3F) and sensory nerve fibers (semaphorin 3A) were investigated in colorectal adenomas. KEY RESULTS The pedunculus was innervated by noradrenergic fibers, whereas the mucosa was sparsely innervated. The control submucosa compared with control mucosa demonstrated increased density of noradrenergic fibers. Control tissue was much better innervated than the polyp. This was accompanied by strong expression of semaphorin 3F in epithelial cells. Density of sensory SP+ nerve fibers was higher in control colon mucosa compared with polyp mucosa, and SP+ cell clusters and semaphorin 3A-positive cells appeared in the intercrypt space in polyps, but not in control tissue. CONCLUSIONS & INFERENCES This study demonstrated a marked loss of noradrenergic and sensory nerve fibers in polyp mucosa, which was associated with a strong increase of semaphorin 3F and 3A. Up-regulation of the sympathetic repellent semaphorin 3F in the polyps possibly triggers sympathetic repulsion and polyp growth due to the loss of anti-proliferative noradrenaline and presence of SP from local SP+ cells.
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Affiliation(s)
- N Graf
- Department of Internal Medicine I, University Hospital Regensburg, Regensburg, Germany
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Staton CA, Shaw LA, Valluru M, Hoh L, Koay I, Cross SS, Reed MW, Brown NJ. Expression of class 3 semaphorins and their receptors in human breast neoplasia. Histopathology 2012; 59:274-82. [PMID: 21884206 DOI: 10.1111/j.1365-2559.2011.03922.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AIMS This study aimed to identify the involvement of class 3 semaphorins (Sema3) and receptors, neuropilins (Np1 and Np2) and plexins (A1-A4) in breast cancer development and angiogenesis. METHODS AND RESULTS We quantified and correlated Sema3A, Sema3B, Sema3F and their known receptors and coreceptors Plexin-A1, Plexin-A3, Np1 and Np2 in sections of normal human breast, benign and pre-malignant hyperplastic tissue, pre-invasive and invasive cancer, and compared these findings with our previously published data on vascular endothelial growth factor (VEGF) and microvessel density (MVD) in the same samples. Histological analysis revealed that Sema3B was expressed more strongly and widely than Sema3A and 3F in normal breast tissue and all three semaphorins decreased with the transition from in situ to invasive cancer (P < 0.014). Plexin-A3 decreased significantly with progression towards invasive cancer (P < 0.045), whereas Plexin-A1 expression was only significantly reduced once invasion had occurred (P = 0.012). Np1 and Np2 were expressed in both endothelial and epithelial/tumour cells. Np2 expression did not change, but Np1 expression significantly increased in the spectrum from hyperplasia to ductal carcinoma in situ (P < 0.035), but decreased with invasive cancer. CONCLUSION These data suggest that a decrease in class 3 semaphorin and their plexin receptors have some relationship with disease progression in ductal breast carcinoma.
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Affiliation(s)
- Carolyn A Staton
- Academic Units of Surgical Oncology Pathology, Faculty of Medicine, Dentistry and Health, University of Sheffield, Sheffield, UK.
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Neufeld G, Sabag AD, Rabinovicz N, Kessler O. Semaphorins in angiogenesis and tumor progression. Cold Spring Harb Perspect Med 2012; 2:a006718. [PMID: 22315716 PMCID: PMC3253028 DOI: 10.1101/cshperspect.a006718] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The semaphorins were initially described as axon guidance factors, but have recently been implicated in a variety of physiological and developmental functions, including regulation of immune response, angiogenesis, and migration of neural crest cells. The semaphorin family contains more than 30 genes divided into seven subfamilies, all of which are characterized by the presence of a sema domain. The semaphorins transduce their signals by binding to one of the nine receptors belonging to the plexin family, or, in the case of the class 3 semaphorins, by binding to one of the two neuropilin receptors. Additional receptors, which form complexes with these primary semaphorin receptors, are also frequently involved in semaphorin signaling. Recent evidence suggests that some semaphorins can act as antiangiogenic and/or antitumorigenic agents whereas other semaphorins promote tumor progression and/or angiogenesis. Furthermore, loss of endogenous inhibitory semaphorin expression or function on one hand, and overexpression of protumorigenic semaphorins on the other hand, is associated with the progression of some tumor types.
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Affiliation(s)
- Gera Neufeld
- Cancer and Vascular Biology Research Center, Rappaport Research Institute in the Medical Sciences, Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 31096, Israel.
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Nguyen H, Ivanova VS, Kavandi L, Rodriguez GC, Maxwell GL, Syed V. Progesterone and 1,25-Dihydroxyvitamin D3 Inhibit Endometrial Cancer Cell Growth by Upregulating Semaphorin 3B and Semaphorin 3F. Mol Cancer Res 2011; 9:1479-92. [DOI: 10.1158/1541-7786.mcr-11-0213] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Harburg GC, Hinck L. Navigating breast cancer: axon guidance molecules as breast cancer tumor suppressors and oncogenes. J Mammary Gland Biol Neoplasia 2011; 16:257-70. [PMID: 21818544 PMCID: PMC4083826 DOI: 10.1007/s10911-011-9225-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 07/19/2011] [Indexed: 01/13/2023] Open
Abstract
Slit, Netrin, Ephrin, and Semaphorin's roles in development have expanded greatly in the past decade from their original characterization as axon guidance molecules (AGMs) to include roles as regulators of tissue morphogenesis and development in diverse organs. In the mammary gland, AGMs are important for maintaining normal cell proliferation and adhesion during development. The frequent dysregulation of AGM expression during tumorigenesis and tumor progression suggests that AGMs also play a crucial role as tumor suppressors and oncogenes in breast cancer. Moreover, these findings suggest that AGMs may be excellent targets for new breast cancer prognostic tests and more effective therapeutic strategies.
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Affiliation(s)
- Gwyndolen C. Harburg
- Department of Molecular, Cell and Developmental Biology University of California, Santa Cruz CA 95064
| | - Lindsay Hinck
- Department of Molecular, Cell and Developmental Biology University of California, Santa Cruz CA 95064
- Corresponding Author:
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Grandclement C, Borg C. Neuropilins: a new target for cancer therapy. Cancers (Basel) 2011; 3:1899-928. [PMID: 24212788 PMCID: PMC3757396 DOI: 10.3390/cancers3021899] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Revised: 03/23/2011] [Accepted: 04/01/2011] [Indexed: 02/07/2023] Open
Abstract
Recent investigations highlighted strong similarities between neural crest migration during embryogenesis and metastatic processes. Indeed, some families of axon guidance molecules were also reported to participate in cancer invasion: plexins/semaphorins/neuropilins, ephrins/Eph receptors, netrin/DCC/UNC5. Neuropilins (NRPs) are transmembrane non tyrosine-kinase glycoproteins first identified as receptors for class-3 semaphorins. They are particularly involved in neural crest migration and axonal growth during development of the nervous system. Since many types of tumor and endothelial cells express NRP receptors, various soluble molecules were also found to interact with these receptors to modulate cancer progression. Among them, angiogenic factors belonging to the Vascular Endothelial Growth Factor (VEGF) family seem to be responsible for NRP-related angiogenesis. Because NRPs expression is often upregulated in cancer tissues and correlated with poor prognosis, NRPs expression might be considered as a prognostic factor. While NRP1 was intensively studied for many years and identified as an attractive angiogenesis target for cancer therapy, the NRP2 signaling pathway has just recently been studied. Although NRP genes share 44% homology, differences in their expression patterns, ligands specificities and signaling pathways were observed. Indeed, NRP2 may regulate tumor progression by several concurrent mechanisms, not only angiogenesis but lymphangiogenesis, epithelial-mesenchymal transition and metastasis. In view of their multiples functions in cancer promotion, NRPs fulfill all the criteria of a therapeutic target for innovative anti-tumor therapies. This review focuses on NRP-specific roles in tumor progression.
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Affiliation(s)
- Camille Grandclement
- INSERM UMR 645, F-25020 Besançon, France; E-Mail:
- University of Franche-Comté, IFR133, F-25020 Besançon, France
- EFS Bourgogne Franche-Comté, F-25020 Besançon, France
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +33-3-81-61-56-15 or +33-3-81-66-93-21; Fax: +33-3-81-61-56-17
| | - Christophe Borg
- INSERM UMR 645, F-25020 Besançon, France; E-Mail:
- University of Franche-Comté, IFR133, F-25020 Besançon, France
- EFS Bourgogne Franche-Comté, F-25020 Besançon, France
- Department of Medical Oncology, CHU Besançon, F-25000 Besançon, France
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Wu F, Zhou Q, Yang J, Duan GJ, Ou JJ, Zhang R, Pan F, Peng QP, Tan H, Ping YF, Cui YH, Qian C, Yan XC, Bian XW. Endogenous axon guiding chemorepulsant semaphorin-3F inhibits the growth and metastasis of colorectal carcinoma. Clin Cancer Res 2011; 17:2702-11. [PMID: 21349996 DOI: 10.1158/1078-0432.ccr-10-0839] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To elucidate the role of Semaphorin-3F (SEMA3F), originally described as an axon guiding chemorepulsant implicated in nerve development, in the progression of colorectal carcinoma. EXPERIMENTAL DESIGN SEMA3F and its receptor NRP2 were examined in 72 cases of human colorectal carcinoma specimens and cell lines LoVo, SW480, and SW620 with immunohistochemistry and Western blotting. SEMA3F mRNA expression in the frozen tissue specimens and cell lines was examined with quantitative reverse transcriptase-PCR. Confocal laser scanning microscopy was used for detection of cellular localization of the proteins by immunofluorescent staining. MTT assay, flow cytometry, cell adhesion and migration, and xenografts were used to evaluate biological significance of SEMA3F. RESULTS SEMA3F was significantly reduced in colorectal carcinoma tissues and cell lines. Overexpression of SEMA3F resulted in reduced proliferation, adhesion to fibronectin, and migratory capability as well as reduced S-phase population and integrin αvβ3 expression of SW480 colon cancer cells. In addition, SEMA3F-overexpressing cells exhibited diminished tumorigenesis when transplanted orthotopically in nude mice and reduced liver metastases. Moreover, transfection of siRNA targeting SEMA3F in colon cancer cells increased their tumorigenicity in vivo. CONCLUSIONS Endogenous SEMA3F acts as a suppressor of the growth and metastasis of human colorectal cancer cells.
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Affiliation(s)
- Feng Wu
- Department of Oncology, Institute of Pathology, Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing, China
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Joseph D, Ho SM, Syed V. Hormonal regulation and distinct functions of semaphorin-3B and semaphorin-3F in ovarian cancer. Mol Cancer Ther 2010; 9:499-509. [PMID: 20124444 DOI: 10.1158/1535-7163.mct-09-0664] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Semaphorins comprise a family of molecules that influence neuronal growth and guidance. Class-3 semaphorins, semaphorin-3B (SEMA3B) and semaphorin-3F (SEMA3F), illustrate their effects by forming a complex with neuropilins (NP-1 or NP-2) and plexins. We examined the status and regulation of semaphorins and their receptors in human ovarian cancer cells. A significantly reduced expression of SEMA3B (83 kDa), SEMA3F (90 kDa), and plexin-A3 was observed in ovarian cancer cell lines when compared with normal human ovarian surface epithelial cells. The expression of NP-1, NP-2, and plexin-A1 was not altered in human ovarian surface epithelial and ovarian cancer cells. The decreased expression of SEMA3B, SEMA3F, and plexin-A3 was confirmed in stage 3 ovarian tumors. The treatment of ovarian cancer cells with luteinizing hormone, follicle-stimulating hormone, and estrogen induced a significant upregulation of SEMA3B, whereas SEMA3F was upregulated only by estrogen. Cotreatment of cell lines with a hormone and its specific antagonist blocked the effect of the hormone. Ectopic expression of SEMA3B or SEMA3F reduced soft-agar colony formation, adhesion, and cell invasion of ovarian cancer cell cultures. Forced expression of SEMA3B, but not SEMA3F, inhibited viability of ovarian cancer cells. Overexpression of SEMA3B and SEMA3F reduced focal adhesion kinase phosphorylation and matrix metalloproteinase-2 and matrix metalloproteinase-9 expression in ovarian cancer cells. Forced expression of SEMA3F, but not SEMA3B in ovarian cancer cells, significantly inhibited endothelial cell tube formation. Collectively, our results suggest that the loss of SEMA3 expression could be a hallmark of cancer progression. Furthermore, gonadotropin- and/or estrogen-mediated maintenance of SEMA3 expression could control ovarian cancer angiogenesis and metastasis.
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Affiliation(s)
- Doina Joseph
- Department of Obstetrics and Gynecology, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814-4799, USA
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Abstract
Guidance molecules were first described in the nervous system to control axon outgrowth direction. They are also widely expressed outside the nervous system where they control cell migration, tissue development and establishment of the vascular network. In addition, they are involved in cancer development, tumor angiogenesis and metastasis. This review is primarily focused on their functions in lung cancer and their involvement in lung development is also presented. Five guidance molecule families and their corresponding receptors are described, including the semaphorins/neuropilins/plexins, ephrins and Eph receptors, netrin/DCC/UNC5, Slit/Robo and Notch/Delta. In addition, the possibility to target these molecules as a therapeutic approach in cancer is discussed.
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Affiliation(s)
- Patrick Nasarre
- Medical University of South Carolina, Division of Hematology/Oncology, Charleston, SC, USA
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Beuten J, Garcia D, Brand TC, He X, Balic I, Canby-Hagino E, Troyer DA, Baillargeon J, Hernandez J, Thompson IM, Leach RJ, Naylor SL. Semaphorin 3B and 3F single nucleotide polymorphisms are associated with prostate cancer risk and poor prognosis. J Urol 2009; 182:1614-20. [PMID: 19683737 DOI: 10.1016/j.juro.2009.06.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2009] [Indexed: 01/07/2023]
Abstract
PURPOSE SEMA3B and SEMA3F are 2 closely related genes lying 80 kb apart on chromosome 3 that have been shown to suppress tumor formation in vivo and in vitro. Each gene has a single nucleotide polymorphism that results in a nonsynonymous coding change, rs2071203 (SEMA3B) and rs1046956 (SEMA3F), as well as noncoding single nucleotide polymorphisms. MATERIALS AND METHODS We performed a case-control study of 789 prostate cancer cases and 907 controls from 3 races/ethnicities to determine possible associations of 10 variants with prostate cancer risk or prognosis. RESULTS The risk of prostate cancer increased more than 2-fold in Hispanic men with TT alleles at rs2071203 in SEMA3B and with CC alleles for rs2072054 at the 5' end of SEMA3F (OR 2.13, 95% CI 1.12-4.04, p = 0.02 and OR 2.55, 95% CI 1.34-4.84, p = 0.0045, respectively). These 2 single nucleotide polymorphisms were also associated with a poor prognosis in Hispanic men (2.71 and 3.48-fold increased risk). A frequent G-C-G-G-A-T-C-C-T-G haplotype encompassing 10 SNPs was associated with an increased risk of prostate cancer and poor prognosis in Hispanic samples (OR 2.72, 95% CI 1.20-6.12, p = 0.016 and OR 3.32, 95% CI 1.21-9.10, p = 0.02). In nonHispanic white men the T-C-G-A-A-T-C-C haplotype was associated with a high Gleason score (OR 1.44, 95% CI 1.06-1.96, p = 0.021). CONCLUSIONS These data indicate that polymorphisms in SEMA3B and SEMA3F are associated with prostate cancer risk and poor prognosis in Hispanic and nonHispanic white men.
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Affiliation(s)
- Joke Beuten
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, Texas 78229-3900, USA
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ZEB-1, a repressor of the semaphorin 3F tumor suppressor gene in lung cancer cells. Neoplasia 2009; 11:157-66. [PMID: 19177200 DOI: 10.1593/neo.81074] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2008] [Revised: 10/30/2008] [Accepted: 10/31/2008] [Indexed: 02/07/2023] Open
Abstract
SEMA3F is a secreted semaphorin with potent antitumor activity, which is frequently downregulated in lung cancer. In cancer cell lines, SEMA3F overexpression decreases hypoxia-induced factor 1alpha protein and vascular endothelial growth factor mRNA, and inhibits multiple signaling components. Therefore, understanding how SEMA3F expression is inhibited in cancer cells is important. We previously defined the promoter organization of SEMA3F and found that chromatin remodeling by a histone deacetylase inhibitor was sufficient to activate SEMA3F expression. In lung cancer, we have also shown that ZEB-1, an E-box transcription repressor, is predominantly responsible for loss of E-Cadherin associated with a poor prognosis and resistance to epidermal growth factor receptor inhibitors. In the present study, we demonstrated that ZEB-1 also inhibits SEMA3F in lung cancer cells. Levels of ZEB-1, but not ZEB-2, Snail or Slug, significantly correlate with SEMA3F inhibition, and overexpression or inhibition of ZEB-1 correspondingly affected SEMA3F expression. Four conserved E-box sites were identified in the SEMA3F gene. Direct ZEB-1 binding was confirmed by chromatin immunoprecipitation assays for two of these, and ZEB-1 binding was reduced when cells were treated with a histone deacetylase inhibitor. These results demonstrate that ZEB-1 directly inhibits SEMA3F expression in lung cancer cells. SEMA3F loss was associated with changes in cell signaling: increased phospho-AKT in normoxia and increase of hypoxia-induced factor 1alpha protein in hypoxia. Moreover, exogenous addition of SEMA3F could modulate ZEB-1-induced angiogenesis in a chorioallantoic membrane assay. Together, these data provide further support for the importance of SEMA3F and ZEB-1 in lung cancer progression.
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Neufeld G, Kessler O. The semaphorins: versatile regulators of tumour progression and tumour angiogenesis. Nat Rev Cancer 2008; 8:632-45. [PMID: 18580951 DOI: 10.1038/nrc2404] [Citation(s) in RCA: 300] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The semaphorins and their receptors, the neuropilins and the plexins, were originally characterized as constituents of the complex regulatory system responsible for the guidance of axons during the development of the central nervous system. However, a growing body of evidence indicates that various semaphorins can either promote or inhibit tumour progression through the promotion or inhibition of processes such as tumour angiogenesis, tumour metastasis and tumour cell survival. This Review focuses on the emerging role of the semaphorins in cancer.
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Affiliation(s)
- Gera Neufeld
- Cancer Research and Vascular Biology Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, P.O. Box 9679, 1 Efron Street, Haifa, 31096, Israel.
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Gant JC, Thibault O, Blalock EM, Yang J, Bachstetter A, Kotick J, Schauwecker PE, Hauser KF, Smith GM, Mervis R, Li Y, Barnes GN. Decreased number of interneurons and increased seizures in neuropilin 2 deficient mice: implications for autism and epilepsy. Epilepsia 2008; 50:629-45. [PMID: 18657176 DOI: 10.1111/j.1528-1167.2008.01725.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
PURPOSE Clinically, perturbations in the semaphorin signaling system have been associated with autism and epilepsy. The semaphorins have been implicated in guidance, migration, differentiation, and synaptic plasticity of neurons. The semaphorin 3F (Sema3F) ligand and its receptor, neuropilin 2 (NPN2) are highly expressed within limbic areas. NPN2 signaling may intimately direct the apposition of presynaptic and postsynaptic locations, facilitating the development and maturity of hippocampal synaptic function. To further understand the role of NPN2 signaling in central nevous system (CNS) plasticity, structural and functional alterations were assessed in NPN2 deficient mice. METHODS In NPN2 deficient mice, we measured seizure susceptibility after kainic acid or pentylenetetrazol, neuronal excitability and synaptic throughput in slice preparations, principal and interneuron cell counts with immunocytochemical protocols, synaptosomal protein levels with immunoblots, and dendritic morphology with Golgi-staining. RESULTS NPN2 deficient mice had shorter seizure latencies, increased vulnerability to seizure-related death, were more likely to develop spontaneous recurrent seizure activity after chemical challenge, and had an increased slope on input/output curves. Principal cell counts were unchanged, but GABA, parvalbumin, and neuropeptide Y interneuron cell counts were significantly reduced. Synaptosomal NPN2 protein levels and total number of GABAergic synapses were decreased in a gene dose-dependent fashion. CA1 pyramidal cells showed reduced dendritic length and complexity, as well as an increased number of dendritic spines. DISCUSSION These data suggest the novel hypothesis that the Sema 3F signaling system's role in appropriate placement of subsets of hippocampal interneurons has critical downstream consequences for hippocampal function, resulting in a more seizure susceptible phenotype.
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Affiliation(s)
- John C Gant
- Departments of Molecular and Biomedical Pharmacology, University of Kentucky College of Medicine, Lexington, KY, USA
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Potiron VA, Roche J, Drabkin HA. Semaphorins and their receptors in lung cancer. Cancer Lett 2008; 273:1-14. [PMID: 18625544 DOI: 10.1016/j.canlet.2008.05.032] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2008] [Revised: 02/28/2008] [Accepted: 05/23/2008] [Indexed: 12/30/2022]
Abstract
Semaphorins are a large family of secreted, transmembrane and GPI-linked proteins initially characterized in the development of the nervous system and axonal guidance. Semaphorins are expressed in many tissues where they regulate normal development, organ morphogenesis, immunity and angiogenesis. They affect the cytoskeleton, actin filament organization, microtubules and cell adhesion. Semaphorin signaling is transduced by plexins, which in the case of most class-3 semaphorins requires high-affinity neuropilin receptors. The neuropilins also function as receptors for VEGF and other growth factors, and their expression is often abnormal in tumors. In cancer, semaphorins have both tumor suppressor and tumor promoting functions. We review here the current status of semaphorins and their receptors in tumor development with a focus on lung cancer.
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Affiliation(s)
- Vincent A Potiron
- Division of Hematology/Oncology, Medical University of South Carolina, P.O. Box 250623, 96 Jonathan Lucas Street, Charleston, SC 29425, USA
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Semaphorin 3F confines ventral tangential migration of lateral olfactory tract neurons onto the telencephalon surface. J Neurosci 2008; 28:4414-22. [PMID: 18434520 DOI: 10.1523/jneurosci.0372-08.2008] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Ventral tangential migration of neurons is the most prominent mode of neuronal translocation during earliest neurogenesis in the mouse telencephalon. A typical example of the neurons that adopt this migration mode is guidepost neurons in the lateral olfactory tract designated as lot cells. These neurons are generated from the neocortical neuroepithelium and migrate tangentially down to the ventral edge of the neocortex abutting the ganglionic eminence, on which the future lateral olfactory tract develops. We show here that this migration stream is repelled by a secreted axon guidance molecule, semaphorin 3F through interaction with its specific receptor, neuropilin-2. Accordingly, in mutant mice for semaphorin 3F or neuropilin-2, lot cells ectopically penetrated into the deep brain domain, which normally expresses semaphorin 3F. These results reveal that semaphorin 3F is an important regulator of the ventral tangential migration stream, confining the migrating neurons on the telencephalon surface by repelling from the deeper domain.
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Bielenberg DR, Shimizu A, Klagsbrun M. Semaphorin-induced cytoskeletal collapse and repulsion of endothelial cells. Methods Enzymol 2008; 443:299-314. [PMID: 18772022 DOI: 10.1016/s0076-6879(08)02015-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Class 3 semaphorins (SEMA3) are mediators of neuronal guidance first shown to repel axons and collapse axonal growth cones by depolymerization of cytoskeletal F-actin. Subsequently, it was found that SEMA3 could also mediate angiogenesis. SEMA3F binds to its receptor, neuropilin 2 (NRP2), a transmembrane protein expressed on neurons, EC (EC), and tumor cells. In vitro, SEMA3F collapses the F-actin cytoskeleton, repels EC, and inhibits EC and tumor cell adhesion and migration in a manner similar to what occurs with axons. In a mouse tumor model, SEMA3F is a potent inhibitor of tumor angiogenesis, tumor progression, and metastasis. SEMA3F is encoded in a region of chromosome 3p21.3 that is commonly deleted in small cell lung cancers, suggesting that SEMA3F is a tumor suppressor. SEMA3F may have therapeutic potential. Therefore, this chapter is focused primarily on the detailed methods to purify SEMA3F and to assay its biologic activity, including cytoskeleton collapse and repulsion.
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Affiliation(s)
- Diane R Bielenberg
- Department of Surgery, Childrens Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Zwaans BMM, Bielenberg DR. Potential therapeutic strategies for lymphatic metastasis. Microvasc Res 2007; 74:145-58. [PMID: 17950368 DOI: 10.1016/j.mvr.2007.08.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2007] [Revised: 08/24/2007] [Accepted: 08/24/2007] [Indexed: 12/20/2022]
Abstract
Physiologically, the lymphatic system regulates fluid volume in the interstitium and provides a conduit for immune cells to travel to lymph nodes, but pathologically, the lymphatic system serves as a primary escape route for cancer cells. Lymphatic capillaries have a thin discontinuous basement membrane, lack pericyte coverage and often contain endothelial cell gaps that can be invaded by immune cells (or tumor cells). In addition, tumor cells and stromal cells in the tumor microenvironment secrete factors that stimulate lymphangiogenesis, the growth of lymphatic endothelial cells and the sprouting of lymphatic capillaries. As a result, many tumors are surrounded by large, hyperplastic, peri-tumoral lymphatic vessels and less frequently are invaded by intra-tumoral lymphatic vessels. Carcinoma cells commonly metastasize through these lymphatic vessels to regional lymph nodes. The presence of metastatic cells in the sentinel lymph node is a prognostic indicator for many types of cancer, and the degree of dissemination determines the therapeutic course of action. Lymphangiogenesis is currently at the frontier of metastasis research. Recent strides in this field have uncovered numerous signaling pathways specific for lymphatic endothelial cells and vascular endothelial cells. This review will provide an overview of tumor lymphangiogenesis and current strategies aimed at inhibiting lymphatic metastasis. Novel therapeutic approaches that target the tumor cells as well as the vascular and lymphatic endothelial compartments are discussed.
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Affiliation(s)
- Bernadette M M Zwaans
- Program in Vascular Biology, Department of Surgery, Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
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Potiron VA, Sharma G, Nasarre P, Clarhaut JA, Augustin HG, Gemmill RM, Roche J, Drabkin HA. Semaphorin SEMA3F Affects Multiple Signaling Pathways in Lung Cancer Cells. Cancer Res 2007; 67:8708-15. [PMID: 17875711 DOI: 10.1158/0008-5472.can-06-3612] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Loss of SEMA3F occurs frequently in lung cancer and correlates with advanced stage of disease. We previously reported that SEMA3F blocked tumor formation by H157 lung cancer cells in a rat orthotopic model. This was associated with loss of activated alpha(V)beta(3) integrin, impaired cell adhesion to extracellular matrix components, and down-regulation of phospho-extracellular signal-regulated kinase 1/2 (ERK1/2). These results suggested that SEMA3F might interfere with integrin outside-in signaling. In the present report, we found that SEMA3F decreased adhesion to vitronectin, whereas integrin-linked kinase (ILK) kinase activity was down-regulated in SEMA3F-expressing H157 cells. Exposure to SEMA3F-conditioned medium led to diminution of phospho-ERK1/2 in four of eight lung cancer cell lines, and ILK silencing by small interfering RNA led to similar loss of phospho-ERK1/2 in H157 cells. Moreover, SEMA3F expression (with constitutive and inducible systems) also reduced AKT and signal transducer and activator of transcription 3 (STAT3) phosphorylation independently of ILK-ERK1/2. These signaling changes extended downstream to hypoxia-inducible factor-1alpha (HIF-1alpha) protein and vascular endothelial growth factor (VEGF) mRNA levels, which were both reduced in three of four SEMA3F-transfected cell lines. Mechanistically, the effects on HIF-1alpha were consistent with inhibition of its AKT-driven protein translation initiation, with no effect on HIF-1alpha mRNA level or protein degradation. Furthermore, when H157 cells were injected s.c. in nude mice, tumors derived from SEMA3F-expressing cells showed lower microvessel density and tumor growth. These results show that SEMA3F negatively affects ILK-ERK1/2 and AKT-STAT3 signaling, along with inhibition of HIF-1alpha and VEGF. These changes would be anticipated to contribute significantly to the observed antitumor activity of SEMA3F.
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Affiliation(s)
- Vincent A Potiron
- Division of Medical Oncology, University of Colorado Health Sciences Center, Aurora, Colorado, USA
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Abstract
Neuropilins (NRP) are receptors for the class 3 semaphorin (SEMA3) family of axon guidance molecules and the vascular endothelial growth factor (VEGF) family of angiogenesis factors. Although the seminal studies on SEMA3s and NRPs first showed them to be mediators of axon guidance, it has become very apparent that these proteins play an important role in vascular and tumor biology as well. Neuronal guidance and angiogenesis are regulated similarly at the molecular level. For example, SEMA3s not only repel neurons and collapse axon growth cones, but have similar effects on endothelial cells and tumor cells. Preclinical studies indicate that SEMA3F is a potent inhibitor of tumor angiogenesis and metastasis. In addition, neutralizing antibodies to NRP1 enhance the effects of anti-VEGF antibodies in suppressing tumor growth in xenograft models. This article reviews NRP and SEMA3 structural interactions and their role in developmental angiogenesis, tumor angiogenesis and metastasis based on cell culture, zebrafish and murine studies.
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Affiliation(s)
- Diane R Bielenberg
- Vascular Biology Program, Children's Hospital, Department of Surgery, Harvard Medical School, Karp Family Research Laboratories, 12.211, 300 Longwood Avenue, Boston, MA 02115, USA.
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