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Saad EE, Michel R, Borahay MA. Senescence-associated secretory phenotype (SASP) and uterine fibroids: Association with PD-L1 activation and collagen deposition. Ageing Res Rev 2024; 97:102314. [PMID: 38670462 PMCID: PMC11181954 DOI: 10.1016/j.arr.2024.102314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/10/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
Uterine fibroids (or uterine leiomyoma, UFs) are one of the most prevalent benign uterine tumors with high proliferation and collagen synthesis capabilities. UFs are a significant worldwide health issue for women, affecting their physical and financial well-being. Risk factors for UFs include age, racial disparities, obesity, uterine infections, hormonal variation, and lifestyle (i.e., diet, exercise, stress, and smoking). Senescence and its associated secretory phenotypes (SASPs) are among the most salient changes accompanying the aging process. As a result, SASPs are suggested to be one of the major contributors to developing UFs. Interleukin 6 (IL-6), IL-8, IL-1, chemokine ligand 20 (CCL-20), and transforming growth factor-beta (TGF-β) are the most prominent SASPs associated with aging. In addition, different processes contribute to UFs such as collagen deposition and the changes in the immune microenvironment. Programmed death ligand 1 is a major player in the tumor immune microenvironment, which helps tumor cells evade immune attacks. This review focuses on the correlation of SASPs on two axes of tumor progression: immune suppression and collagen deposition. This review opens the door towards more investigations regarding changes in the UF immune microenvironment and age-UFs correlation and thus, a novel targeting approach for UF treatment.
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Affiliation(s)
- Eslam E Saad
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Rachel Michel
- Department of Population, Family, and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, MD 21205, USA
| | - Mostafa A Borahay
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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Saad EE, Michel R, Borahay MA. Immunosuppressive tumor microenvironment and uterine fibroids: Role in collagen synthesis. Cytokine Growth Factor Rev 2024; 75:93-100. [PMID: 37839993 PMCID: PMC10922281 DOI: 10.1016/j.cytogfr.2023.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 10/05/2023] [Indexed: 10/17/2023]
Abstract
Uterine fibroids (UF), also called uterine leiomyoma, is one of the most prevalent uterine tumors. UF represents a serious women's health global problem with a significant physical, emotional, and socioeconomic impact. Risk factors for UF include racial disparities, age, race, hormonal factors, obesity, and lifestyle (diet, physical activity, and stress. There are several biological contributors to UF pathogenesis such as cellular proliferation, angiogenesis, and extracellular matrix (ECM) accumulation. This review addresses tumor immune microenvironment as a novel mediator of ECM deposition. Polarization of immune microenvironment towards the immunosuppressive phenotype has been associated with ECM deposition. Immunosuppressive cells include M2 macrophage, myeloid-derived suppressor cells (MDSCs), and Th17 cells, and their secretomes include interleukin 4 (IL-4), IL-10, IL-13, IL-17, IL-22, arginase 1, and transforming growth factor-beta (TGF-β1). The change in the immune microenvironment not only increase tumor growth but also aids in collagen synthesis and ECM disposition, which is one of the main hallmarks of UF pathogenesis. This review invites further investigations on the change in the UF immune microenvironment as well as a novel targeting approach instead of the traditional UF hormonal and supportive treatment.
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Affiliation(s)
- Eslam E Saad
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Rachel Michel
- Department of Population, Family, and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, MD 21205, USA
| | - Mostafa A Borahay
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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The Differential Paracrine Role of the Endothelium in Prostate Cancer Cells. Cancers (Basel) 2022; 14:cancers14194750. [PMID: 36230673 PMCID: PMC9563990 DOI: 10.3390/cancers14194750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/22/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary A growing body of literature supports the concept that a tumor mass is under the strict control of the microvascular endothelium and that the perfusion of oxygen and nutrients by capillary vessels to the tumor mass is reinforced by potent paracrine activity from the vascular endothelial cells. In our study, we investigate the biological and molecular implications of the paracrine crosstalk between vascular endothelial cells and prostate cancer cells. Our results indicate that the endothelial cells were able to secrete molecular signals that promote the proliferation and growth of low and highly aggressive prostate cancer cells and selectively increased the migration, invasion and metastatic potential of highly aggressive prostate cancer cells. The molecular analyses indicated that endothelial cells induced a differential effect on gene expression profile when comparing low versus highly aggressive prostate cancer cells, causing an enrichment of epigenetic changes in migratory pathways in highly aggressive prostate cancer cells. In conclusion, our results indicate that endothelial cells release signals that favor tumor growth and aggressiveness and that this interaction may play an important role in the progression of prostate cancer. Abstract The survival of patients with solid tumors, such as prostate cancer (PCa), has been limited and fleeting with anti-angiogenic therapies. It was previously thought that the mechanism by which the vasculature regulates tumor growth was driven by a passive movement of oxygen and nutrients to the tumor tissue. However, previous evidence suggests that endothelial cells have an alternative role in changing the behavior of tumor cells and contributing to cancer progression. Determining the impact of molecular signals/growth factors released by endothelial cells (ECs) on established PCa cell lines in vitro and in vivo could help to explain the mechanism by which ECs regulate tumor growth. Using cell-conditioned media collected from HUVEC (HUVEC-CM), our data show the stimulated proliferation of all the PCa cell lines tested. However, in more aggressive PCa cell lines, HUVEC-CM selectively promoted migration and invasion in vitro and in vivo. Using a PCa-cell-line-derived xenograft model co-injected with HUVEC or preincubated with HUVEC-CM, our results are consistent with the in vitro data, showing enhanced tumor growth, increased tumor microvasculature and promoted metastasis. Gene set enrichment analyses from RNA-Seq gene expression profiles showed that HUVEC-CM induced a differential effect on gene expression when comparing low versus highly aggressive PCa cell lines, demonstrating epigenetic and migratory pathway enrichments in highly aggressive PCa cells. In summary, paracrine stimulation by HUVEC increased PCa cell proliferation and tumor growth and selectively promoted migration and metastatic potential in more aggressive PCa cell lines.
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Sen B, Aggarwal S, Nath R, Sehgal R, Singh R, Agrawal K, Shashidhara AN, Rastogi A, Bajpai M, Pamecha V, Trehanpati N, Ramakrishna G. Secretome of senescent hepatoma cells modulate immune cell fate by macrophage polarization and neutrophil extracellular traps formation. Med Oncol 2022; 39:134. [PMID: 35726030 DOI: 10.1007/s12032-022-01732-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 04/09/2022] [Indexed: 01/07/2023]
Abstract
Presence of dysfunctional senescent hepatocytes is a hallmark feature of liver cirrhosis which finally culminates in liver cancer. We now report the presence of senescent hepatocytes (p21 and p53 positive) in the vicinity of infiltrated immune cells in hepatocellular carcinoma tissue specimens by immunohistochemistry. Hence, we evaluated in vitro, the relevance of senescent hepatoma cells in altering the fate of monocytes and neutrophils by assaying for macrophage polarization and extracellular trap (NETs) formation, respectively. Premature senescence was induced in hepatoma cells (HepG2 and Huh7 cells) by treating cells with doxorubicin. Senescent hepatoma cells showed strong inflammatory phenotype with induced expression of cytokines (IL1β, IL6, IL8 and IL13) as evaluated by flow cytometry. The senescent secretome from hepatoma cells when incubated with healthy monocytes caused it to differentiate predominantly towards M2 fate (CD80low CD86low CD163high CD206high) when analysed by flow cytometry. This was corroborated by the finding in clinical samples where human hepatocellular carcinoma harbouring senescent hepatocytes showed presence of M2 macrophages, while M1 macrophages were predominant in non-tumorous region. Additionally, the senescent secretome from Huh7 cells enhanced the NETs formation, while HepG2 secretome had an inhibitory effect. In conclusion, the "pro-inflammatory" senescent secretome drives non-inflammatory type M2 macrophage polarization and modulated neutrophil traps which in turn can influence the tumor microenvironment.
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Affiliation(s)
- Bijoya Sen
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India.,Buck Institute for Research on Aging, Novato, CA, USA
| | - Savera Aggarwal
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India
| | - Rhisita Nath
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India
| | - Rashi Sehgal
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India
| | - Ravinder Singh
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India
| | - Khushboo Agrawal
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India
| | | | - Archana Rastogi
- Department of Pathology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Meenu Bajpai
- Department of Transfusion Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Viniyendra Pamecha
- Department of Hepatopancreatobiliary Surgery, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Nirupma Trehanpati
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India
| | - Gayatri Ramakrishna
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), D1 Block, Vasant Kunj, New Delhi, 110070, India.
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Multifaceted Roles of Chemokines and Chemokine Receptors in Tumor Immunity. Cancers (Basel) 2021; 13:cancers13236132. [PMID: 34885241 PMCID: PMC8656932 DOI: 10.3390/cancers13236132] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/26/2021] [Accepted: 12/02/2021] [Indexed: 12/22/2022] Open
Abstract
Simple Summary Various immune cells are involved in host immune responses to cancer. T-helper (Th) 1 cells, cytotoxic CD8+ T cells, and natural killer cells are the major effector cells in anti-tumor immunity, whereas cells such as regulatory T cells and myeloid-derived suppressor cells are negatively involved in anti-tumor immunity. Th2 cells and Th17 cells have been shown to have both pro-tumor and anti-tumor activities. The migratory properties of various immune cells are essential for their function and critically regulated by the chemokine superfamily. In this review, we summarize the roles of various immune cells in tumor immunity and their migratory regulation by the chemokine superfamily. We also assess the therapeutic possibilities of targeting chemokines and chemokine receptors in cancer immunotherapy. Abstract Various immune cells are involved in host tumor immune responses. In particular, there are many T cell subsets with different roles in tumor immunity. T-helper (Th) 1 cells are involved in cellular immunity and thus play the major role in host anti-tumor immunity by inducing and activating cytotoxic T lymphocytes (CTLs). On the other hand, Th2 cells are involved in humoral immunity and suppressive to Th1 responses. Regulatory T (Treg) cells negatively regulate immune responses and contribute to immune evasion of tumor cells. Th17 cells are involved in inflammatory responses and may play a role in tumor progression. However, recent studies have also shown that Th17 cells are capable of directly inducting CTLs and thus may promote anti-tumor immunity. Besides these T cell subsets, there are many other innate immune cells such as dendritic cells (DCs), natural killer (NK) cells, and myeloid-derived suppressor cells (MDSCs) that are involved in host immune responses to cancer. The migratory properties of various immune cells are critical for their functions and largely regulated by the chemokine superfamily. Thus, chemokines and chemokine receptors play vital roles in the orchestration of host immune responses to cancer. In this review, we overview the various immune cells involved in host responses to cancer and their migratory properties regulated by the chemokine superfamily. Understanding the roles of chemokines and chemokine receptors in host immune responses to cancer may provide new therapeutic opportunities for cancer immunotherapy.
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CCL20 induces colorectal cancer neoplastic epithelial cell proliferation, migration, and further CCL20 production through autocrine HGF-c-Met and MSP-MSPR signaling pathways. Oncotarget 2021; 12:2323-2337. [PMID: 34853656 PMCID: PMC8629403 DOI: 10.18632/oncotarget.28131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/28/2021] [Indexed: 12/16/2022] Open
Abstract
CCL20-CCR6 interactions promote colorectal cancer through direct effects on neoplastic epithelial cells and through modulating the tumor microenvironment. The mechanism of these effects on neoplastic epithelial cells is poorly understood. This study demonstrates that CCL20 induces secretion of hepatocyte growth factor (HGF) and phosphorylation of HGF’s cognate receptor c-Met in HT29 and HCT116 colorectal cancer cell lines both in concentration- and time-dependent manners. Similar to CCL20, HGF induces migration, autofeedback CCL20 secretion, and ERK1/2 phosphorylation in the colon cancer cells. CCL20-dependent ERK1/2 phosphorylation is blocked by HGF inhibition, and CCL20-dependent migration and CCL20 secretion are blocked by inhibition of HGF or ERK. Interestingly, unlike CCL20, HGF does not induce proliferation of colon cancer cells, and CCL20-dependent cell proliferation is not blocked by direct HGF inhibition. CCL20-dependent proliferation, however, is blocked by the multi-tyrosine kinase inhibitor crizotinib. Exploring this effect, it was found that CCL20 also induces production of MSP and phosphorylation of MSP’s receptor MSPR by the colorectal cancer cells. CCL20-dependent cell proliferation is inhibited by directly blocking MSP-MSPR interactions. Thus, CCL20-mediated migration and CCL20 secretion are regulated through a pathway involving HGF, c-Met, and ERK, while CCL20-mediated proliferation is instead regulated through MSP and its receptor MSPR.
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Meng J, Cao L, Song H, Chen L, Qu Z. Integrated analysis of gene expression and DNA methylation datasets identified key genes and a 6-gene prognostic signature for primary lung adenocarcinoma. Genet Mol Biol 2021; 44:e20200465. [PMID: 34787244 PMCID: PMC8596225 DOI: 10.1590/1678-4685-gmb-2020-0465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 08/20/2021] [Indexed: 12/13/2022] Open
Abstract
Lung adenocarcinoma (LUAD) is the main subtype of non-small cell lung cancer with a poor survival prognosis. In our study, gene expression, DNA methylation, and clinicopathological data of primary LUAD were utilized to identify potential prognostic markers for LUAD, which were recruited from The Cancer Genome Atlas (TCGA) database. Univariate regression analysis showed that there were 21 methylation-associated DEGs related to overall survival (OS), including 9 down- and 12 up-regulated genes. The 12 up-regulated genes with hypomethylation may be risky genes, whereas the other 9 down-regulated genes with hypermethylation might be protective genes. By using the Step-wise multivariate Cox analysis, a methylation-associated 6-gene (consisting of CCL20, F2, GNPNAT1, NT5E, B3GALT2, and VSIG2) prognostic signature was constructed and the risk score based on this gene signature classified patients into high- or low-risk groups. Patients of the high-risk group had shorter OS than those of the low-risk group in both the training and validation cohort. Multivariate Cox analysis and the stratified analysis revealed that the risk score was an independent prognostic factor for LUAD patients. The methylation-associated gene signature may serve as a prognostic factor for LUAD patients and the represent hypermethylated or hypomethylated genes might be potential targets for LUAD therapy.
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Affiliation(s)
- Jing Meng
- Inner Mongolia People's Hospital, Department of Stomatology, Hohhot, China
| | - Lei Cao
- Inner Mongolia People's Hospital, Department of Clinical Medical Research Center, Hohhot, China
| | - Huifang Song
- Inner Mongolia People's Hospital, Department of Respiratory and Critical Care Medicine, Hohhot, China
| | - Lichun Chen
- Inner Mongolia People's Hospital, Department of Stomatology, Hohhot, China
| | - Zhiguo Qu
- Inner Mongolia People's Hospital, Department of Stomatology, Hohhot, China
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Kfoury Y, Baryawno N, Severe N, Mei S, Gustafsson K, Hirz T, Brouse T, Scadden EW, Igolkina AA, Kokkaliaris K, Choi BD, Barkas N, Randolph MA, Shin JH, Saylor PJ, Scadden DT, Sykes DB, Kharchenko PV. Human prostate cancer bone metastases have an actionable immunosuppressive microenvironment. Cancer Cell 2021; 39:1464-1478.e8. [PMID: 34719426 PMCID: PMC8578470 DOI: 10.1016/j.ccell.2021.09.005] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 07/15/2021] [Accepted: 09/14/2021] [Indexed: 02/06/2023]
Abstract
Bone metastases are devastating complications of cancer. They are particularly common in prostate cancer (PCa), represent incurable disease, and are refractory to immunotherapy. We seek to define distinct features of the bone marrow (BM) microenvironment by analyzing single cells from bone metastatic prostate tumors, involved BM, uninvolved BM, and BM from cancer-free, orthopedic patients, and healthy individuals. Metastatic PCa is associated with multifaceted immune distortion, specifically exhaustion of distinct T cell subsets, appearance of macrophages with states specific to PCa bone metastases. The chemokine CCL20 is notably overexpressed by myeloid cells, as is its cognate CCR6 receptor on T cells. Disruption of the CCL20-CCR6 axis in mice with syngeneic PCa bone metastases restores T cell reactivity and significantly prolongs animal survival. Comparative high-resolution analysis of PCa bone metastases shows a targeted approach for relieving local immunosuppression for therapeutic effect.
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Affiliation(s)
- Youmna Kfoury
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Ninib Baryawno
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA; Childhood Cancer Research Unit, Department of Women's Health and Children's, Karolinska Institutet, Stockholm, Sweden.
| | - Nicolas Severe
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Shenglin Mei
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
| | - Karin Gustafsson
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Taghreed Hirz
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Thomas Brouse
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Elizabeth W Scadden
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Anna A Igolkina
- St. Petersburg Polytechnical University, St. Petersburg, Russia
| | - Konstantinos Kokkaliaris
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Bryan D Choi
- Department of Neurosurgery, Harvard Medical School, Boston, MA, USA
| | - Nikolas Barkas
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
| | - Mark A Randolph
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - John H Shin
- Department of Neurosurgery, Harvard Medical School, Boston, MA, USA
| | - Philip J Saylor
- Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, USA
| | - David T Scadden
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - David B Sykes
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Peter V Kharchenko
- Harvard Stem Cell Institute, Cambridge, MA, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA.
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Wang YH, Li CX, Stephenson JM, Marrelli SP, Kou YM, Meng DZ, Wu T. NR4A3 and CCL20 clusters dominate the genetic networks in CD146 + blood cells during acute myocardial infarction in humans. Eur J Med Res 2021; 26:113. [PMID: 34565470 PMCID: PMC8474787 DOI: 10.1186/s40001-021-00586-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 09/16/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND CD146 is a tight junction-associated molecule involved in maintaining endothelial barrier, and balancing immune-inflammation response, in cardiovascular disease. Notably, peripheral CD146+ cells significantly upsurge under vessel dyshomeostasis such as acute myocardial injury (AMI), appearing to be a promising therapeutic target. In this study, with a new view of gene correlation, we aim at deciphering the complex underlying mechanism of CD146+ cells' impact in the development of AMI. METHODS Transcription dataset GSE 66,360 of CD146+ blood cells from clinical subjects was downloaded from NCBI. Pearson networks were constructed and the clustering coefficients were calculated to disclose the differential connectivity genes (DCGs). Analysis of gene connectivity and gene expression were performed to reveal the hub genes and hub gene clusters followed by gene enrichment analysis. RESULTS AND CONCLUSIONS Among the total 23,520 genes, 27 genes out of 126 differential expression genes were identified as DCGs. These DCGs were found in the periphery of the networks under normal condition, but transferred to the functional center after AMI. Moreover, it was revealed that DCGs spontaneously crowded together into two functional models, CCL20 cluster and NR4A3 cluster, influencing the CD146-mediated signaling pathways during the pathology of AMI for the first time.
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Affiliation(s)
- Yan-Hui Wang
- College of Mathematics and Systems Science, Shandong University of Science and Technology, 579 Qianwangang Road, Huangdao District, Qingdao, 266590, Shandong, China.
| | - Chen-Xin Li
- College of Mathematics and Systems Science, Shandong University of Science and Technology, 579 Qianwangang Road, Huangdao District, Qingdao, 266590, Shandong, China
| | - Jessica M Stephenson
- Department of Neurology, University of Texas Health Science Center at Houston, 6431 Fannin street, Houston, TX, 77031, USA
| | - Sean P Marrelli
- Department of Neurology, University of Texas Health Science Center at Houston, 6431 Fannin street, Houston, TX, 77031, USA
| | - Yan-Ming Kou
- College of Mathematics and Systems Science, Shandong University of Science and Technology, 579 Qianwangang Road, Huangdao District, Qingdao, 266590, Shandong, China
| | - Da-Zhi Meng
- College of Applied Science, Beijing University of Technology, 100 Pingleyuan, Beijing, 10024, Chaoyang, China.
| | - Ting Wu
- Department of Neurology, University of Texas Health Science Center at Houston, 6431 Fannin street, Houston, TX, 77031, USA.
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10
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He J, Zhang W, Li F, Yu Y. Development of metastasis-associated seven gene signature for predicting lung adenocarcinoma prognosis using single-cell RNA sequencing data. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2021; 18:5959-5977. [PMID: 34517518 DOI: 10.3934/mbe.2021298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Metastasis is the primary cause of lung adenocarcinoma (LUAD)-related death. This study evaluated the metastasis-associated genes (MAGs) in single-cell RNA sequencing (scRNA-seq) data from LUAD tissues and developed a MAG signature to predict overall survival (OS) of LUAD patients. The LUAD scRNA-seq data was downloaded from the Gene Expression Omnibus (GEO) Database and MAGs were identified from LUAD scRNA-seq data. The LUAD transcriptomic and clinical data were obtained from The Cancer Genome Atlas (TCGA). Cox and LASSO regression analyses were performed to identify differentially expressed MAGs (DEMAGs) with prognostic value that were then used to construct a MAG signature and MAG-nomogram model. Finally, a functional enrichment analysis was performed via Gene Set Enrichment Analysis (GSEA). 414 MAGs and 22 prognostic DEMAGs were revealed in the study. Multivariate Cox proportional hazards regression analysis was utilized to construct a 7-MAG signature for predicting the OS of LUAD patients. Patients with high risk scores had a significantly worse OS than those with low risk scores in the training group (n = 236), and the 7-MAG signature was successfully confirmed in the testing group (n = 232) and the entire TCGA-LUAD cohort (n = 468). Furthermore, univariate and multivariate Cox regression suggested that the 7-MAG signature was an independent prognostic indicator. Additionally, based on the 7-MAG signature, a nomogram was established that could more intuitively help to predict the OS of LUAD patients. The GSEA revealed the underlying molecular mechanisms of the 7-MAG signature in LUAD metastasis. In conclusion, a 7-MAG signature was developed based on LUAD scRNA-seq data that could effectively predict LUAD patient prognosis and provide novel insights for therapeutic targets and the potential molecular mechanism of metastatic LUAD.
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Affiliation(s)
- Jinqi He
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Wenjing Zhang
- Department of Hematology Oncology, The Central Hospital of Shaoyang, Shaoyang 422000, China
| | - Faxiang Li
- Department of Hematology Oncology, The Central Hospital of Shaoyang, Shaoyang 422000, China
| | - Yan Yu
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150081, China
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Gwak J, Jeong H, Lee K, Shin JY, Sim T, Na J, Kim J, Ju BG. SFMBT2-Mediated Infiltration of Preadipocytes and TAMs in Prostate Cancer. Cancers (Basel) 2020; 12:E2718. [PMID: 32971847 PMCID: PMC7565541 DOI: 10.3390/cancers12092718] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/07/2020] [Accepted: 08/16/2020] [Indexed: 12/22/2022] Open
Abstract
Infiltration of diverse cell types into tumor microenvironment plays a critical role in cancer progression including metastasis. We previously reported that SFMBT2 (Scm-like with four mbt domains 2) regulates the expression of matrix metalloproteinases (MMPs) and migration and invasion of cancer cells in prostate cancer. Here we investigated whether the down-regulation of SFMBT2 regulates the infiltration of preadipocytes and tumor-associated macrophages (TAMs) in prostate cancer. We found that the down-regulation of SFMBT2 promotes the infiltration of preadipocytes and TAMs through up-regulation of CXCL8, CCL2, CXCL10, and CCL20 expression in prostate cancer. Expression of CXCL8, CCL2, CXCL10, and CCL20 was also elevated in prostate cancer patients having a higher Gleason score (≥8), which had substantially lower SFMBT2 expression. We also found that the up-regulation of CXCL8, CCL2, CXCL10, and CCL20 expression is dependent on NF-κB activation in prostate cancer cells expressing a low level of SFMBT2. Moreover, increased IL-6 from infiltrated preadipocytes and TAMs promoted migration and invasion of prostate cancer cells expressing a low level of SFMBT2. Our study may suggest that SFMBT2 a critical regulator for the infiltration of preadipocytes and TAMs into the prostate tumor microenvironment. Thus, the regulation of SFMBT2 may provide a new therapeutic strategy to inhibit prostate cancer metastasis, and SFMBT2 could be used as a potential biomarker in prostate cancer metastasis.
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Affiliation(s)
| | | | | | | | | | | | | | - Bong-Gun Ju
- Department of Life Science, Sogang University, Seoul 04107, Korea; (J.G.); (H.J.); (K.L.); (J.Y.S.); (T.S.); (J.N.); (J.K.)
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12
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Kadomoto S, Izumi K, Mizokami A. The CCL20-CCR6 Axis in Cancer Progression. Int J Mol Sci 2020; 21:ijms21155186. [PMID: 32707869 PMCID: PMC7432448 DOI: 10.3390/ijms21155186] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 12/14/2022] Open
Abstract
Chemokines, which are basic proteins that exert their effects via G protein-coupled receptors and a subset of the cytokine family, are mediators deeply involved in leukocyte migration during an inflammatory reaction. Chemokine (C-C motif) ligand 20 (CCL20), also known as macrophage inflammatory protein (MIP)-3α, liver activation regulated chemokine (LARC), and Exodus-1, is a small protein that is physiologically expressed in the liver, colon, and skin, is involved in tissue inflammation and homeostasis, and has a specific receptor C-C chemokine receptor 6 (CCR6). The CCL20-CCR6 axis has long been known to be involved in inflammatory and infectious diseases, such as rheumatoid arthritis and human immunodeficiency virus infections. Recently, however, reports have shown that the CCL20-CCR6 axis is associated with several cancers, including hepatocellular carcinoma, colorectal cancer, breast cancer, pancreatic cancer, cervical cancer, and kidney cancer. The CCL20-CCR6 axis promotes cancer progression directly by enhancing migration and proliferation of cancer cells and indirectly by remodeling the tumor microenvironment through immune cell control. The present article reviewed the role of the CCL20-CCR6 axis in cancer progression and its potential as a therapeutic target.
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Affiliation(s)
| | - Kouji Izumi
- Correspondence: ; Tel.: +81-76-265-2393; Fax: +81-76-234-4263
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13
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The Effects of Human BDH2 on the Cell Cycle, Differentiation, and Apoptosis and Associations with Leukemia Transformation in Myelodysplastic Syndrome. Int J Mol Sci 2020; 21:ijms21093033. [PMID: 32344823 PMCID: PMC7246807 DOI: 10.3390/ijms21093033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 02/06/2023] Open
Abstract
Iron overload is related to leukemia transformation in myelodysplastic syndrome (MDS) patients. Siderophores help to transport iron. Type 2-hydroxybutyrate dehydrogenase (BDH2) is a rate-limiting factor in the biogenesis of siderophores. Using qRT-PCR, we analyze BDH2mRNA expression in the bone marrow (BM) of 187 MDS patients, 119 de novo acute myeloid leukemia (AML) patients, and 43 lymphoma patients with normal BM. Elevated BDH2mRNA expression in BM is observed in MDS patients (n = 187 vs. 43, normal BM; P = 0.009), and this is related to ferritin levels. Patients with higher BDH2 expression show a greater risk of leukemia progression (15.25% vs. 3.77%, lower expression; P = 0.017) and shorter leukemia-free-survival (medium LFS, 9 years vs. 7 years; P = 0.024), as do patients with a ferritin level ≥350 ng/mL. Additionally, we investigate the mechanisms related to the prognostic ability of BDH2 by using BDH2-KD THP1. The cell cycle analysis, surface markers, and special stain studies indicate that BDH2-KD induces differentiation and decreases the growth rate of THP1 cells, which is associated with the retardation of the cell cycle. Moreover, many genes, including genes related to mitochondrial catabolism, oncogenes, tumor suppressor genes, and genes related to cell differentiation and proliferation influence BDH2-KD THP1 cells. Herein, we demonstrate that BDH2 is involved in cell cycle arrest and the inhibition of differentiation in malignant cells. Furthermore, the high BDH2 expression in MDS patients could be suggestive of a poor prognostic factor. This study provides a foundation for further research on the roles of BDH2 and iron metabolism in the pathogenesis of MDS.
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14
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Chen W, Qin Y, Liu S. CCL20 Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1231:53-65. [PMID: 32060846 DOI: 10.1007/978-3-030-36667-4_6] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
CCL20, as a chemokine, plays an important role in rheumatoid arthritis, psoriasis, and other diseases by binding to its receptor CCR6. Recent 10 years' research has demonstrated that CCL20 also contributes to the progression of many cancers, such as liver cancer, colon cancer, breast cancer, pancreatic cancer, and gastric cancer. This article reviews and discusses the previous studies on CCL20 roles in cancers from the aspects of its specific effects on various cancers, its remodeling on tumor microenvironment (TME), its synergistic effects with other cytokines in tumor microenvironment, and the specific mechanisms of CCL20 signal activation, illustrating CCL20 signaling in TME from multiple directions.
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Affiliation(s)
- Weilong Chen
- Fudan University Shanghai Cancer Center & Institutes of Biomedical Sciences, Shanghai Medical College, Shanghai, China.,Key Laboratory of Breast Cancer in Shanghai, Innovation Center for Cell Signaling Network, Cancer Institute, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yuanyuan Qin
- Fudan University Shanghai Cancer Center & Institutes of Biomedical Sciences, Shanghai Medical College, Shanghai, China.,Key Laboratory of Breast Cancer in Shanghai, Innovation Center for Cell Signaling Network, Cancer Institute, Shanghai, China.,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Suling Liu
- Fudan University Shanghai Cancer Center & Institutes of Biomedical Sciences, Shanghai Medical College, Shanghai, China. .,Key Laboratory of Breast Cancer in Shanghai, Innovation Center for Cell Signaling Network, Cancer Institute, Shanghai, China. .,Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
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15
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Wei W, Zhao X, Zhu J, Zhang L, Chen Y, Zhang B, Li Y, Wang M, Zhang Z, Wang C. lncRNA‑u50535 promotes the progression of lung cancer by activating CCL20/ERK signaling. Oncol Rep 2019; 42:1946-1956. [PMID: 31545478 PMCID: PMC6775802 DOI: 10.3892/or.2019.7302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 07/26/2019] [Indexed: 12/14/2022] Open
Abstract
The ligand/receptor pair C‑C motif chemokine ligand 20 (CCL20)/C‑C motif chemokine receptor 6 (CCR6) is considered to be highly activated in lung cancer and significantly accelerates lung cancer progression through activation of ERK signaling. In addition, it has been shown that long non‑coding RNA‑u50535 (lncRNA‑u50535) upregulates CCL20 expression and facilitates cancer progression in colorectal cancer (CRC). However, the effects of lncRNA‑u50535 in lung cancer progression and whether lncRNA‑u50535 regulates CCL20/CCR6/ERK signaling in lung cancer remain ill‑defined. Therefore, the aim of the present study was to investigate the effects of lncRNA‑u50535 on CCL20/CCR6/ERK signaling in lung cancer progression. The results demonstrated that lncRNA‑u50535 expression was upregulated in lung cancer tissues and cell lines compared with normal tissues and cells. Knockdown of lncRNA‑u50535 decreased lung cancer cell proliferation and migration, induced G0/G1 phase arrest and promoted cell apoptosis. Western blot and luciferase reporter gene assays demonstrated that lncRNA‑u50535 overexpression increased the translation and transcription of CCL20. In addition, knockdown of lncRNA‑u50535 decreased CCL20, CCR6 and p‑ERK levels. The effects of lncRNA‑u50535 on cell proliferation and cell apoptosis were weakened when CCL20 was silenced. Overall, the present study demonstrated that lncRNA‑u50535 may function as an oncogene in lung cancer progression by regulating CCL20/ERK signaling.
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Affiliation(s)
- Wei Wei
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Xiaoliang Zhao
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Jianquan Zhu
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Lianmin Zhang
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Yulong Chen
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Bin Zhang
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Yue Li
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Meng Wang
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Zhenfa Zhang
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
| | - Changli Wang
- Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Lung Cancer Center, Tianjin 300060, P.R. China
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16
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Analysis of Transcriptome, Selected Intracellular Signaling Pathways, Proliferation and Apoptosis of LNCaP Cells Exposed to High Leptin Concentrations. Int J Mol Sci 2019; 20:ijms20215412. [PMID: 31671654 PMCID: PMC6861914 DOI: 10.3390/ijms20215412] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 10/26/2019] [Accepted: 10/28/2019] [Indexed: 01/03/2023] Open
Abstract
Leptin, the first discovered adipokine, has been connected to various physiological and pathophysiological processes, including cancerogenesis. Increasing evidence confirms its influence on prostate cancer cells. However, studies on the effects of leptin on the proliferation and apoptosis of the androgen-sensitive LNCaP line of prostate cancer cells brought conflicting results. Therefore, we performed studies on the effects of high LEP concentration (1 × 10−6 M) on gene expression profile, change of selected signaling pathways, proliferation and apoptosis of LNCaP cells. RTCA (real-time cell analyzer) revealed inhibitory effect of LEP on cell proliferation, but lower LEP concentrations (10−8 and 10−10 M) did not affect cell division. Moreover, flow cytometry with a specific antibody for Cleaved PARP-1, an apoptosis marker, confirmed the activation of apoptosis in leptin-exposed LNCaP line of prostate cancer cells. Within 24 h LEP (10−6 M) increases expression of 297 genes and decreases expression of 119 genes. Differentially expressed genes (DEGs) were subjected to functional annotation and clusterization using the DAVID bioinformatics tools. Most ontological groups are associated with proliferation and apoptosis (seven groups), immune response (six) and extracellular matrix (two). These results were confirmed by the Gene Set Enrichment Analysis (GSEA). The leptin’s effect on apoptosis stimulation was also confirmed using Pathview library. These results were also confirmed by qPCR method. The results of Western Blot analysis (exposure to LEP 10 min, 1, 2, 4 and 24 h) suggest (after 24 h) decrease of p38 MAPK, p44-42 mitogen-activated protein kinase and Bcl-2 phosphorylated at threonine 56. Moreover, exposure of LNCaP cells to LEP significantly stimulates the secretion of matrix metallopeptidase 7 (MMP7). Obtained results suggest activation of apoptotic processes in LNCaP cells cultured at high LEP concentration. At the same time, this activation is accompanied by inhibition of proliferation of the tested cells.
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17
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The role of PKC and PKD in CXCL12 directed prostate cancer migration. Biochem Biophys Res Commun 2019; 519:86-92. [DOI: 10.1016/j.bbrc.2019.08.134] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 08/23/2019] [Indexed: 12/29/2022]
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18
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Su S, Sun X, Zhang Q, Zhang Z, Chen J. CCL20 Promotes Ovarian Cancer Chemotherapy Resistance by Regulating ABCB1 Expression. Cell Struct Funct 2019; 44:21-28. [PMID: 30760665 DOI: 10.1247/csf.18029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Ovarian cancer (OC) is one of prevalent tumors and this study aimed to explore CCL20's effects on doxorubicin resistance of OC and related mechanisms. Doxorubicin-resistant SKOV3 DR cells were established from SKOV3 cells via 6-month continuous exposure to gradient concentrations of doxorubicin. Quantitative PCR and Western blot assay showed that SKOV3 DR cells had higher level of CCL20 than SKOV3 cells, and doxorubicin upregulated CCL20 expression in SKOV3 cells. MTT and cell count assay found that CCL20 overexpression plasmid enhanced doxorubicin resistance of SKOV3 and OVCA433 cells compared to empty vector, as shown by the increase in cell viability. In contrast, CCL20 shRNA enhanced doxorubicin sensitivity of SKOV3 DR cells compared to control. CCL20 overexpression plasmid promoted NF-kB activation and positively regulated ABCB1 expression. Besides, ABCB1 overexpression plasmid enhanced the viability of SKOV3 and OVCA433 cells compared to empty vector under treatment with the same concentration of doxorubicin, whereas ABCB1 shRNA inhibited doxorubicin resistance of SKOV3 DR cells compared to control. In conclusion, CCL20 enhanced doxorubicin resistance of OC cells by regulating ABCB1 expression.Key words: CCL20, ovarian cancer, doxorubicin resistance, tumor-promoting, ABCB1.
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Affiliation(s)
- Shan Su
- Department of Gynecology, the Central Hospital of Zibo
| | - Xueqin Sun
- Department of Gynecology, the Central Hospital of Zibo
| | - Qinghua Zhang
- Department of Gynecology, the Central Hospital of Zibo
| | - Zhe Zhang
- Department of Gynecology, the Central Hospital of Zibo
| | - Ju Chen
- Department of Ultrasound, the Central Hospital of Zibo
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19
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Kriseman M, Monsivais D, Agno J, Masand RP, Creighton CJ, Matzuk MM. Uterine double-conditional inactivation of Smad2 and Smad3 in mice causes endometrial dysregulation, infertility, and uterine cancer. Proc Natl Acad Sci U S A 2019; 116:3873-3882. [PMID: 30651315 PMCID: PMC6397514 DOI: 10.1073/pnas.1806862116] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
SMAD2 and SMAD3 are downstream proteins in the transforming growth factor-β (TGF β) signaling pathway that translocate signals from the cell membrane to the nucleus, bind DNA, and control the expression of target genes. While SMAD2/3 have important roles in the ovary, we do not fully understand the roles of SMAD2/3 in the uterus and their implications in the reproductive system. To avoid deleterious effects of global deletion, and given previous data showing redundant function of Smad2 and Smad3, a double-conditional knockout was generated using progesterone receptor-cre (Smad2/3 cKO) mice. Smad2/3 cKO mice were infertile due to endometrial hyperproliferation observed as early as 6 weeks of postnatal life. Endometrial hyperplasia worsened with age, and all Smad2/3 cKO mice ultimately developed bulky endometrioid-type uterine cancers with 100% mortality by 8 months of age. The phenotype was hormone-dependent and could be prevented with removal of the ovaries at 6 weeks of age but not at 12 weeks. Uterine tumor epithelium was associated with decreased expression of steroid biosynthesis genes, increased expression of inflammatory response genes, and abnormal expression of cell cycle checkpoint genes. Our results indicate the crucial role of SMAD2/3 in maintaining normal endometrial function and confirm the hormone-dependent nature of SMAD2/3 in the uterus. The hyperproliferation of the endometrium affected both implantation and maintenance of pregnancy. Our findings generate a mouse model to study the roles of SMAD2/3 in the uterus and serve to provide insight into the mechanism by which the endometrium can escape the plethora of growth regulatory proteins.
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Affiliation(s)
- Maya Kriseman
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030
- Reproductive Endocrinology and Infertility, Baylor College of Medicine/Texas Children's Hospital Women's Pavilion, Houston, TX 77030
| | - Diana Monsivais
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030
- Center for Drug Discovery, Baylor College of Medicine, Houston, TX 77030
| | - Julio Agno
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030
| | - Ramya P Masand
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030
| | - Chad J Creighton
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030
- Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030
| | - Martin M Matzuk
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030;
- Center for Drug Discovery, Baylor College of Medicine, Houston, TX 77030
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX 77030
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20
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D'Amico L, Belisario D, Migliardi G, Grange C, Bussolati B, D'Amelio P, Perera T, Dalmasso E, Dalle Carbonare L, Godio L, Comoglio P, Trusolino L, Ferracini R, Roato I. C-met inhibition blocks bone metastasis development induced by renal cancer stem cells. Oncotarget 2018; 7:45525-45537. [PMID: 27322553 PMCID: PMC5216739 DOI: 10.18632/oncotarget.9997] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Accepted: 05/29/2016] [Indexed: 01/04/2023] Open
Abstract
Cancer stem cells (CSCs) are key players in bone metastasis. In some renal tumors CSCs overexpress the HGF receptor c-MET, speculating that c-MET targeting could lead to bone metastasis inhibition. To address this hypothesis we isolated renal CD105+/CD24−CSCs, expressing c-MET receptor from a primary renal carcinoma. Then, to study their ability to metastasize to bone, we injected renal CSCs in NOD/SCID mice implanted with a human bone and we tested the effect of a c-MET inhibitor (JNJ-38877605) on bone metastasis development. JNJ-38877605 inhibited the formation of metastases at bone implant site. We showed that JNJ-38877605 inhibited the activation of osteoclasts induced by RCC stem cells and it stimulated osteoblast activity, finally resulting in a reduction of bone turnover consistent with the inhibition of bone metastases. We measured the circulating levels of osteotropic factors induced by RCC stem cells in the sera of mice treated with c-Met inhibitor, showing that IL-11 and CCL20 were reduced in mice treated with JNJ-38877605, strongly supporting the involvement of c-MET in the regulation of this process. To address the clinical relevance of c-MET upregulation during tumor progression, we analysed c-MET in renal cancer patients detecting an increased expression in the bone metastatic lesions by IHC. Then, we dosed CCL20 serum levels resulting significantly increased in patients with bone metastases compared to non-metastatic ones. Collectively, our data highlight the importance of the c-MET pathway in the pathogenesis of bone metastases induced by RCC stem cells in mice and humans.
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Affiliation(s)
- Lucia D'Amico
- Cancer Immunology, Department of Biomedicine, University of Basel, Basel, Switzerland.,CeRMS, A.O. Città della Salute e della Scienza, Torino, Italy
| | - Dimas Belisario
- Cancer Immunology, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Giorgia Migliardi
- IRCC, Institute for Cancer Research and Treatment, Candiolo, Torino, Italy
| | - Cristina Grange
- Department of Medical Sciences, University of Turin, Torino, Italy
| | - Benedetta Bussolati
- Molecular Biotechnology and Health Science, Molecular Biotechnology Center, University of Turin, Torino, Italy
| | - Patrizia D'Amelio
- Gerontology Section, Department of Medical Sciences, University of Torino, Torino, Italy
| | | | - Ettore Dalmasso
- Urology Section, A.O. Città della Salute e della Scienza, Torino, Italy
| | - Luca Dalle Carbonare
- Clinic of Internal Medicine, Section D, Policlinico G.B. Rossi Verona, Verona, Italy
| | - Laura Godio
- Department of Pathology, A.O. Città della Salute e della Scienza, Torino, Italy
| | - Paolo Comoglio
- IRCC, Institute for Cancer Research and Treatment, Candiolo, Torino, Italy
| | - Livio Trusolino
- IRCC, Institute for Cancer Research and Treatment, Candiolo, Torino, Italy
| | | | - Ilaria Roato
- CeRMS, A.O. Città della Salute e della Scienza, Torino, Italy
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21
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Jayaraman S, Doucet M, Kominsky SL. CITED2 attenuates macrophage recruitment concordant with the downregulation of CCL20 in breast cancer cells. Oncol Lett 2017; 15:871-878. [PMID: 29399152 PMCID: PMC5772916 DOI: 10.3892/ol.2017.7420] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 10/20/2017] [Indexed: 12/18/2022] Open
Abstract
The transcriptional co-regulator Cbp/p300-interacting transactivator with Glu/Asp-rich carboxy-terminal domain-2 (CITED2) may promote breast tumor growth; however, the mechanisms by which its effects are mediated remain to be fully elucidated. Tumor-associated macrophages serve an important function in tumor development and progression and are recruited by chemotactic factors produced by cells within the tumor microenvironment. The present study assessed the effects of CITED2 silencing on macrophage recruitment in two xenograft mouse models of human breast cancer, one in which tumor growth was sensitive to CITED2 silencing (MDA-MB-231) and one in which it was insensitive (MDA-MB-468). The present study identified that silencing CITED2 significantly attenuated macrophage infiltration in MDA-MB-231 but not MDA-MB-468 orthotopic tumors, concordant with its effect on tumor growth. Correspondingly, conditioned media obtained from CITED2-silenced MDA-MB-231 cells exhibited a significantly decreased ability to induce macrophage recruitment by Transwell migration assay, whereas the chemotactic effect of MDA-MB-468 conditioned media was unaffected. Examining the expression of macrophage chemoattractants within orthotopic tumors and tumor cell-conditioned media revealed a significant decrease in C-C motif chemokine ligand (CCL)20 mRNA and protein expression following CITED2-silencing in MDA-MB-231 cells, compared with that in cells transfected with scramble shRNA. However, mRNA and protein expression was unaffected by CITED2-silencing in MDA-MB-468 cells. Furthermore, chromatin immunoprecipitation analysis revealed that CITED2 was localized to the CCL20 promoter in MDA-MB-231 cells, suggesting that it serves a direct function in its regulation, which is consistent with the effect of CITED2 silencing on CCL20 expression. Lastly, neutralizing CCL20 in the conditioned media of MDA-MB-231 cells significantly inhibited macrophage recruitment. Collectively, these results suggest that CITED2 is involved in modulating macrophage recruitment, representing a novel mechanism through which it may influence tumor growth. This may be partly mediated by regulating tumor cell production of the chemokine CCL20.
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Affiliation(s)
- Swaathi Jayaraman
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Michele Doucet
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Scott L Kominsky
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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22
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Zhang XP, Hu ZJ, Meng AH, Duan GC, Zhao QT, Yang J. Role of CCL20/CCR6 and the ERK signaling pathway in lung adenocarcinoma. Oncol Lett 2017; 14:8183-8189. [PMID: 29250193 DOI: 10.3892/ol.2017.7253] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 05/08/2017] [Indexed: 12/24/2022] Open
Abstract
Previous studies have revealed that carcinoma-associated fibroblasts communicate microenvironment-derived signals through chemokine/chemokine receptor interaction, resulting in carcinogenesis. C-C motif chemokine ligand 20 (CCL20)/C-C motif chemokine receptor 6 (CCR6) interactions are involved in the pathogenesis of colonic malignancies. The present study aimed to characterize the roles of CCL20/CCR6 and the extracellular signal-regulated kinase (ERK) signaling pathway in lung adenocarcinoma growth. Lung adenocarcinoma samples obtained at surgery were assessed for the expression, tissue localization and production of CCL20/CCR6. In addition, colony formation, ERK signaling and chemokine production were measured to assess the responsiveness of the A549 cell line to CCL20 stimulation. CCL20 and CCR6 were found to be highly expressed in the majority of samples in the recurrence group (76 and 66%, respectively). The staining indexes of CCL20 and CCR6 in the recurrence group were 149.3 and 134.4, respectively, which were significantly higher than those in the non-recurrence group (57.2 and 58.0, respectively); the protein and mRNA expression levels determined by western blot and reverse transcription-quantitative polymerase chain reaction were also found to be high in the recurrence group For A549 cells, the colony-forming capacity was increased by CCL20 stimulation, and this effect was dependent in part on ERK phosphorylation. Collectively, the findings suggest that CCR6 and CCL20 may serve a role in lung adenocarcinoma, leading to proliferation and migration via autocrine or paracrine mechanisms. The disruption of CCL20/CCR6 interactions may be a promising strategy for the treatment of cancer.
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Affiliation(s)
- Xiao-Peng Zhang
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Zhi-Juan Hu
- Department of Nephrology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Ai-Hong Meng
- Respiratory Division, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050050, P.R. China
| | - Guo-Chen Duan
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Qing-Tao Zhao
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Jing Yang
- Respiratory Division, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
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23
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Roato I, Massè A, Piana R, Ferracini R. Bone Metastasis from Solid Tumors: Biologic and Clinical State of the Art. Clin Rev Bone Miner Metab 2017. [DOI: 10.1007/s12018-017-9233-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Gene expression profile of renal cell carcinomas after neoadjuvant treatment with sunitinib: new pathways revealed. Int J Biol Markers 2017; 32:e210-e217. [PMID: 27834463 DOI: 10.5301/jbm.5000234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2016] [Indexed: 01/03/2023]
Abstract
BACKGROUND In renal cell carcinoma (RCC) of the clear cell type, inactivity of the VHL gene induces overexpression of HIF1 α and its targets, the tyrosine kinase receptors, promoting RCC development and progression. The discovery of tyrosine kinase inhibitors (TKIs) changed the treatment of these tumors. Other molecular pathways involved in the TKI mechanisms of action have not been described in the literature. The aim of our study was to elucidate alternative mechanisms of action of sunitinib in tumor tissue after neoadjuvant treatment of RCC. METHODS The gene expression profile was accessed using microarray (Affymetrix Human Genome U133 Plus 2.0 platform) and frozen RCC tissues collected from 5 patients with locally advanced non-metastatic tumors who underwent nephrectomy after being treated with 2 cycles of neoadjuvant sunitinib. The results were compared with matched controls comprising 6 patients with no neoadjuvant intervention. RESULTS There was underexpression of the majority of genes after sunitinib treatment. The lower expression levels of IGFBP1, CCL20, CXCL6 and FGB were confirmed by qRT-PCR in all cases. The downregulation of gene expression leads us to search for methylation as a mechanism of action of the TKI. IGFBP1 was shown to be methylated by methylation-sensitive high-resolution melting technique. CONCLUSIONS The ultimate genetic effects of sunitinib may explain its actions as an antitumor drug that apparently suppresses the expression of important genes related to cell survival, adhesion, invasion and immunomodulation. The methylation of gene promoters was shown to be part of the mechanism of action of this class of drugs.
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Xu XD, Shen HB, Zhu L, Lu JQ, Zhang L, Luo ZY, Wu YQ. Anti-RhoC siRNAs inhibit the proliferation and invasiveness of breast cancer cells via modulating the KAI1, MMP9, and CXCR4 expression. Onco Targets Ther 2017; 10:1827-1834. [PMID: 28367066 PMCID: PMC5370064 DOI: 10.2147/ott.s93164] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Overexpression of RhoC in breast cancer cells indicates poor prognosis. In the present study, we aim to investigate the possible antitumor effects of anti-RhoC small-interfering RNA (siRNA) in inflammatory breast cancer cells. In this study, a specific anti-RhoC siRNA was used to inhibit RhoC synthesis. Transfection of anti-RhoC siRNA into two IBC cells SUM149 and SUM190 induced extensive degradation of target mRNA and led to significant decrease in the synthesis of protein. Anti-RhoC siRNA inhibited cell proliferation and invasion, increased cell apoptosis, and induced cell cycle arrest in vitro. Moreover, the transfection of siRNA increased the expression of KAI1 and decreased the expression of MMP9 and CXCR4 in both mRNA and protein levels. Furthermore, transplantation tumor experiments in BALB/c-nu mice showed that intratumoral injection of anti-RhoC siRNA inhibited tumor growth and increased survival rate. Our results suggested that RhoC gene silencing with specific anti-RhoC siRNA would be a potential therapeutic method for metastatic breast cancer.
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Affiliation(s)
- Xu-Dong Xu
- Department of Thyroid and Breast Surgery, The Fifth Hospital of Wuhan, Hanyang District
| | - Han-Bin Shen
- Department of Thyroid and Breast Surgery, The Fifth Hospital of Wuhan, Hanyang District
| | | | | | - Lin Zhang
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Zhi-Yong Luo
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Ya-Qun Wu
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
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Ignacio RMC, Kabir SM, Lee ES, Adunyah SE, Son DS. NF-κB-Mediated CCL20 Reigns Dominantly in CXCR2-Driven Ovarian Cancer Progression. PLoS One 2016; 11:e0164189. [PMID: 27723802 PMCID: PMC5056735 DOI: 10.1371/journal.pone.0164189] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 09/19/2016] [Indexed: 12/19/2022] Open
Abstract
Ovarian cancer is an inflammation-associated malignancy with a high mortality rate. CXCR2 expressing ovarian cancers are aggressive with poorer outcomes. We previously demonstrated that CXCR2-driven ovarian cancer progression potentiated NF-κB activation through EGFR-transactivated Akt. Here, we identified the chemokine signature involved in CXCR2-driven ovarian cancer progression using a mouse peritoneal xenograft model for ovarian cancer spreading with CXCR2-negative (SKA) and positive (SKCXCR2) cells generated previously from parental SKOV-3 cells. Compared to SKA bearing mice, SKCXCR2 bearing mice had the following characteristics: 1) shorter survival time, 2) greater tumor spreading in the peritoneal cavity and 3) higher tumor weight in the omentum and pelvic site. Particularly, SKCXCR2-derived tumor tissues induced higher activation of the NF-κB signaling pathway, while having no change in EGFR-activated signaling such as Raf, MEK, Akt, mTOR and Erk compared to SKA-derived tumors. Chemokine PCR array revealed that CCL20 mRNA levels were significantly increased in SKCXCR2-derived tumor tissues. The CCL20 promoter activity was regulated by NF-κB dependent pathways. Interestingly, all three κB-like sites in the CCL20 promoter were involved in regulating CCL20 and the proximal region between -92 and -83 was the most critical κB-like site. In addition, SKCXCR2-derived tumor tissues maintained high CCL20 mRNA expression and induced greater CCL24 and CXCR4 compared to SKCXCR2 cells, indicating the shift of chemokine network during the peritoneal spreading of tumor cells via interaction with other cell types in tumor microenvironment. Furthermore, we compared expression profiling array between human ovarian cancer cell lines and tumor tissues based on GEO datasets. The expression profiles in comparison with cell lines revealed that dominant chemokines expressed in ovarian tumor tissues are likely shifted from CXCL1-3 and 8 to CCL20. Taken together, the progression of ovarian cancer in the peritoneal cavity involves NF-κB-mediated CCL20 as a main chemokine network, which is potentiated by CXCR2 expression.
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Affiliation(s)
- Rosa Mistica C. Ignacio
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Syeda M. Kabir
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Eun-Sook Lee
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, Florida, United States of America
| | - Samuel E. Adunyah
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Deok-Soo Son
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
- * E-mail:
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Nandi B, Shapiro M, Samur MK, Pai C, Frank NY, Yoon C, Prabhala RH, Munshi NC, Gold JS. Stromal CCR6 drives tumor growth in a murine transplantable colon cancer through recruitment of tumor-promoting macrophages. Oncoimmunology 2016; 5:e1189052. [PMID: 27622061 DOI: 10.1080/2162402x.2016.1189052] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/05/2016] [Accepted: 05/06/2016] [Indexed: 12/11/2022] Open
Abstract
Interactions between the inflammatory chemokine CCL20 and its receptor CCR6 have been implicated in promoting colon cancer; however, the mechanisms behind this effect are poorly understood. We have previously demonstrated that deficiency of CCR6 is associated with decreased tumor macrophage accumulation in a model of sporadic intestinal tumorigenesis. In this study, we aimed to determine the role of stromal CCR6 expression in a murine syngeneic transplantable colon cancer model. We show that deficiency of host CCR6 is associated with decreased growth of syngeneic CCR6-expressing colon cancers. Colon cancers adoptively transplanted into CCR6-deficient mice have decreased tumor-associated macrophages without alterations in the number of monocytes in blood or bone marrow. CCL20, the unique ligand for CCR6, promotes migration of monocytes in vitro and promotes accumulation of macrophages in vivo. Depletion of tumor-associated macrophages decreases the growth of tumors in the transplantable tumor model. Macrophages infiltrating the colon cancers in this model secrete the inflammatory mediators CCL2, IL-1α, IL-6 and TNFα. Ccl2, Il1α and Il6 are consequently downregulated in tumors from CCR6-deficient mice. CCL2, IL-1α and IL-6 also promote proliferation of colon cancer cells, linking the decreased macrophage migration into tumors mediated by CCL20-CCR6 interactions to the delay in tumor growth in CCR6-deficient hosts. The relevance of these findings in human colon cancer is demonstrated through correlation of CCR6 expression with that of the macrophage marker CD163 as well as that of CCL2, IL1α and TNFα. Our findings support the exploration of targeting the CCL20-CCR6 pathway for the treatment of colon cancer.
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Affiliation(s)
- Bisweswar Nandi
- Research Service, VA Boston Healthcare System, West Roxbury, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Mia Shapiro
- Research Service, VA Boston Healthcare System, West Roxbury, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Mehmet K Samur
- Harvard Medical School, Boston, MA, USA; Dana-Farber Cancer Institute, Boston, MA, USA
| | - Christine Pai
- Research Service, VA Boston Healthcare System , West Roxbury, MA, USA
| | - Natasha Y Frank
- Harvard Medical School, Boston, MA, USA; Medicine Service, VA Boston Healthcare System, West Roxbury, MA, USA; Brigham and Women's Hospital, Boston, MA, USA
| | - Charles Yoon
- Harvard Medical School, Boston, MA, USA; Dana-Farber Cancer Institute, Boston, MA, USA; Brigham and Women's Hospital, Boston, MA, USA
| | - Rao H Prabhala
- Research Service, VA Boston Healthcare System, West Roxbury, MA, USA; Dana-Farber Cancer Institute, Boston, MA, USA
| | - Nikhil C Munshi
- Harvard Medical School, Boston, MA, USA; Dana-Farber Cancer Institute, Boston, MA, USA; Medicine Service, VA Boston Healthcare System, West Roxbury, MA, USA
| | - Jason S Gold
- Harvard Medical School, Boston, MA, USA; Brigham and Women's Hospital, Boston, MA, USA; Surgery Service, VA Boston Healthcare System, West Roxbury, MA, USA
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Wang B, Shi L, Sun X, Wang L, Wang X, Chen C. Production of CCL20 from lung cancer cells induces the cell migration and proliferation through PI3K pathway. J Cell Mol Med 2016; 20:920-9. [PMID: 26968871 PMCID: PMC4831357 DOI: 10.1111/jcmm.12781] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 12/07/2015] [Indexed: 11/28/2022] Open
Abstract
Tumour inflammatory microenvironment is considered to play a role in the sensitivity of tumour cells to therapies and prognosis of patients with lung cancer. The expression of CCL20, one of the critical chemoattractants responsible for inflammation cells recruitment, has been shown overexpressed in variety of tumours. This study aimed at investigating potential mechanisms of CCL20 function and production in human non-small cell lung cancer (NSCLC). Expression of CCL20 gene and protein in lung tissues of patients with NSCLC and NSCLC cells (A549) were determined. The interleukin (IL)-1β-induced signal pathways in A549 and the effect of CCL20-induced A549 cell migration and proliferation were determined using migration assays and cell-alive monitoring system. Mechanisms of signal pathways involved in the migration of CCL20 were also studied. We initially found that NSCLC tumour tissues markedly overexpressed CCL20 in comparison with normal lung samples. In addition, IL-1β could directly promote CCL20 production in lung cancer cells, which was inhibited by extracellular signal-regulated kinase (ERK)1/2 inhibitor, p38 mitogen-activated protein kinase (p38 MARP) inhibitor or PI3K inhibitors. CCL20 promoted lung cancer cells migration and proliferation in an autocrine manner via activation of ERK1/2-MAPK and PI3K pathways. Our data indicated that IL-1β could stimulate CCL20 production from lung cancer cells through the activation of MAPKs and PI3K signal pathways, and the auto-secretion of CCL20 could promote lung cancer cell migration and proliferation through the activation of ERK and PI3K signal pathways. Our results may provide a novel evidence that CCL20 could be a new therapeutic target for lung cancer.
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Affiliation(s)
- Beibei Wang
- Department of Lung Medicine, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Lin Shi
- Zhongshan Hospital Biomedical Research Center, Shanghai Institute of Clinical Bioinformatics, Fudan University Center for Clinical Bioinformatics, Fudan University Shanghai Medical College, Shanghai, China
| | - Xiaoru Sun
- Department of Lung Medicine, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Lingyan Wang
- Zhongshan Hospital Biomedical Research Center, Shanghai Institute of Clinical Bioinformatics, Fudan University Center for Clinical Bioinformatics, Fudan University Shanghai Medical College, Shanghai, China
| | - Xiangdong Wang
- Department of Lung Medicine, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
- Zhongshan Hospital Biomedical Research Center, Shanghai Institute of Clinical Bioinformatics, Fudan University Center for Clinical Bioinformatics, Fudan University Shanghai Medical College, Shanghai, China
| | - Chengshui Chen
- Department of Lung Medicine, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
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Chemokine-Derived Peptides: Novel Antimicrobial and Antineoplasic Agents. Int J Mol Sci 2015; 16:12958-85. [PMID: 26062132 PMCID: PMC4490481 DOI: 10.3390/ijms160612958] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Revised: 05/03/2015] [Accepted: 05/08/2015] [Indexed: 12/19/2022] Open
Abstract
Chemokines are a burgeoning family of chemotactic cytokines displaying a broad array of functions such as regulation of homeostatic leukocyte traffic and development, as well as activating the innate immune system. Their role in controlling early and late inflammatory stages is now well recognized. An improper balance either in chemokine synthesis or chemokine receptor expression contributes to various pathological disorders making chemokines and their receptors a useful therapeutic target. Research in this area is progressing rapidly, and development of novel agents based on chemokine/chemokine receptors antagonist functions are emerging as attractive alternative drugs. Some of these novel agents include generation of chemokine-derived peptides (CDP) with potential agonist and antagonist effects on inflammation, cancer and against bacterial infections. CDP have been generated mainly from N- and C-terminus chemokine sequences with subsequent modifications such as truncations or elongations. In this review, we present a glimpse of the different pharmacological actions reported for CDP and our current understanding regarding the potential use of CDP alone or as part of the novel therapies proposed in the treatment of microbial infections and cancer.
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Sligh J, Janda J, Jandova J. Mutations in BALB mitochondrial DNA induce CCL20 up-regulation promoting tumorigenic phenotypes. Mutat Res 2014; 769:49-58. [PMID: 25177208 PMCID: PMC4144272 DOI: 10.1016/j.mrfmmm.2014.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
mtDNA mutations are common in human cancers and are thought to contribute to the process of neoplasia. We examined the role of mtDNA mutations in skin cancer by generating fibroblast cybrids harboring a mutation in the gene encoding the mitochondrial tRNA for arginine. This somatic mutation (9821insA) was previously reported in UV-induced hyperkeratotic skin tumors in hairless mice and confers specific tumorigenic phenotypes to mutant cybrids. Microarray analysis revealed and RT-PCR along with Western blot analysis confirmed the up-regulation of CCL20 and its receptor CCR6 in mtBALB haplotype containing the mt-Tr 9821insA allele compared to wild type mtB6 haplotype. Based on reported role of CCL20 in cancer progression we examined whether the hyper-proliferation and enhanced motility of mtBALB haplotype would be associated with CCL20 levels. Treatment of both genotypes with recombinant CCL20 (rmCCL20) resulted in enhanced growth and motility of mtB6 cybrids. Furthermore, the acquired somatic alteration increased the in vivo tumor growth of mtBALB cybrids through the up-regulation of CCL20 since neutralizing antibody significantly decreased in vivo tumor growth of these cells; and tumors from anti-CCL20 treated mice injected with mtBALB cybrids showed significantly decreased CCL20 levels. When rmCCL20 or mtBALB cybrids were used as chemotactic stimuli, mtB6 cybrids showed increased motility while anti-CCL20 antibody decreased the migration and in vivo tumor growth of mtBALB cybrids. Moreover, the inhibitors of MAPK signaling and NF-κB activation inhibited CCL20 expression in mtBALB cybrids and decreased their migratory capabilities. Thus, acquired mtDNA mutations may promote tumorigenic phenotypes through up-regulation of chemokine CCL20.
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Affiliation(s)
- James Sligh
- Department of Medicine – Dermatology Division, University of Arizona, Tucson, AZ, 857 24, USA
- University of Arizona Cancer Center, Tucson, AZ, 85724, USA
| | - Jaroslav Janda
- University of Arizona Cancer Center, Tucson, AZ, 85724, USA
| | - Jana Jandova
- Department of Medicine – Dermatology Division, University of Arizona, Tucson, AZ, 857 24, USA
- University of Arizona Cancer Center, Tucson, AZ, 85724, USA
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31
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Zhao Y, Tan YS, Aupperlee MD, Langohr IM, Kirk EL, Troester MA, Schwartz RC, Haslam SZ. Pubertal high fat diet: effects on mammary cancer development. Breast Cancer Res 2014; 15:R100. [PMID: 24156623 PMCID: PMC3978633 DOI: 10.1186/bcr3561] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 10/11/2013] [Indexed: 02/08/2023] Open
Abstract
INTRODUCTION Epidemiological studies linking dietary fat intake and obesity to breast cancer risk have produced inconsistent results. This may be due to the difficulty of dissociating fat intake from obesity, and/or the lack of defined periods of exposure in these studies. The pubertal mammary gland is highly sensitive to cancer-causing agents. We assessed how high fat diet (HFD) affects inflammation, proliferative, and developmental events in the pubertal gland, since dysregulation of these can promote mammary tumorigenesis. To test the effect of HFD initiated during puberty on tumorigenesis, we utilized BALB/c mice, for which HFD neither induces obesity nor metabolic syndrome, allowing dissociation of HFD effects from other conditions associated with HFD. METHODS Pubertal BALB/c mice were fed a low fat diet (12% kcal fat) or a HFD (60% kcal fat), and subjected to carcinogen 7,12-dimethylbenz[a]anthracene (DMBA)-induced tumorigenesis. RESULTS HFD elevated mammary gland expression of inflammatory and growth factor genes at 3 and 4 weeks of diet. Receptor activator of nuclear factor kappa-B ligand (RANKL), robustly induced at 4 weeks, has direct mitogenic activity in mammary epithelial cells and, as a potent inducer of NF-κB activity, may induce inflammatory genes. Three weeks of HFD induced a transient influx of eosinophils into the mammary gland, consistent with elevated inflammatory factors. At 10 weeks, prior to the appearance of palpable tumors, there were increased numbers of abnormal mammary epithelial lesions, enhanced cellular proliferation, increased growth factors, chemokines associated with immune-suppressive regulatory T cells, increased vascularization, and elevated M2 macrophages. HFD dramatically reduced tumor latency. Early developing tumors were more proliferative and were associated with increased levels of tumor-related growth factors, including increased plasma levels of HGF in tumor-bearing animals. Early HFD tumors also had increased vascularization, and more intra-tumor and stromal M2 macrophages. CONCLUSIONS Taken together in this non-obesogenic context, HFD promotion of inflammatory processes, as well as local and systemically increased growth factor expression, are likely responsible for the enhanced tumorigenesis. It is noteworthy that although DMBA mutagenesis is virtually random in its targeting of genes in tumorigenesis, the short latency tumors arising in animals on HFD showed a unique gene expression profile, highlighting the potent overarching influence of HFD.
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Zhou J, Xiang Y, Yoshimura T, Chen K, Gong W, Huang J, Zhou Y, Yao X, Bian X, Wang JM. The role of chemoattractant receptors in shaping the tumor microenvironment. BIOMED RESEARCH INTERNATIONAL 2014; 2014:751392. [PMID: 25110692 PMCID: PMC4119707 DOI: 10.1155/2014/751392] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 06/17/2014] [Indexed: 12/13/2022]
Abstract
Chemoattractant receptors are a family of seven transmembrane G protein coupled receptors (GPCRs) initially found to mediate the chemotaxis and activation of immune cells. During the past decades, the functions of these GPCRs have been discovered to not only regulate leukocyte trafficking and promote immune responses, but also play important roles in homeostasis, development, angiogenesis, and tumor progression. Accumulating evidence indicates that chemoattractant GPCRs and their ligands promote the progression of malignant tumors based on their capacity to orchestrate the infiltration of the tumor microenvironment by immune cells, endothelial cells, fibroblasts, and mesenchymal cells. This facilitates the interaction of tumor cells with host cells, tumor cells with tumor cells, and host cells with host cells to provide a basis for the expansion of established tumors and development of distant metastasis. In addition, many malignant tumors of the nonhematopoietic origin express multiple chemoattractant GPCRs that increase the invasiveness and metastasis of tumor cells. Therefore, GPCRs and their ligands constitute targets for the development of novel antitumor therapeutics.
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Affiliation(s)
- Jiamin Zhou
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
- Endoscopic Center, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yi Xiang
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
- Department of Pulmonary Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
| | - Teizo Yoshimura
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Keqiang Chen
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Wanghua Gong
- Basic Research Program, Leidos Biomedical Research, Inc., Frederick, MD 21702, USA
| | - Jian Huang
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
| | - Ye Zhou
- Department of Gastric Cancer and Soft Tissue Surgery, Fudan University Cancer Center, Shanghai 200032, China
| | - Xiaohong Yao
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
| | - Xiuwu Bian
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
| | - Ji Ming Wang
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
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Nandi B, Pai C, Huang Q, Prabhala RH, Munshi NC, Gold JS. CCR6, the sole receptor for the chemokine CCL20, promotes spontaneous intestinal tumorigenesis. PLoS One 2014; 9:e97566. [PMID: 24866282 PMCID: PMC4035256 DOI: 10.1371/journal.pone.0097566] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 04/21/2014] [Indexed: 12/12/2022] Open
Abstract
Interactions between the inflammatory chemokine CCL20 and its receptor CCR6 have been associated with colorectal cancer growth and metastasis, however, a causal role for CCL20 signaling through CCR6 in promoting intestinal carcinogenesis has not been demonstrated in vivo. In this study, we aimed to determine the role of CCL20-CCR6 interactions in spontaneous intestinal tumorigenesis. CCR6-deficient mice were crossed with mice heterozygous for a mutation in the adenomatous polyposis coli (APC) gene (APCMIN/+ mice) to generate APCMIN/+ mice with CCR6 knocked out (CCR6KO-APCMIN/+ mice). CCR6KO-APCMIN/+ mice had diminished spontaneous intestinal tumorigenesis. CCR6KO-APCMIN/+ also had normal sized spleens as compared to the enlarged spleens found in APCMIN/+ mice. Decreased macrophage infiltration into intestinal adenomas and non-tumor epithelium was observed in CCR6KO-APCMIN/+ as compared to APCMIN/+ mice. CCL20 signaling through CCR6 caused increased production of CCL20 by colorectal cancer cell lines. Furthermore, CCL20 had a direct mitogenic effect on colorectal cancer cells. Thus, interactions between CCL20 and CCR6 promote intestinal carcinogenesis. Our results suggest that the intestinal tumorigenesis driven by CCL20-CCR6 interactions may be driven by macrophage recruitment into the intestine as well as proliferation of neoplastic epithelial cells. This interaction could be targeted for the treatment or prevention of malignancy.
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MESH Headings
- Animals
- Apoptosis
- Blotting, Western
- Cell Proliferation
- Cell Transformation, Neoplastic/genetics
- Cell Transformation, Neoplastic/pathology
- Chemokine CCL20/genetics
- Chemokine CCL20/metabolism
- Colonic Neoplasms/genetics
- Colonic Neoplasms/metabolism
- Colonic Neoplasms/pathology
- Female
- Fluorescent Antibody Technique
- Genes, APC
- Humans
- Immunoenzyme Techniques
- Intestinal Neoplasms/etiology
- Intestinal Neoplasms/metabolism
- Intestinal Neoplasms/pathology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- RNA, Messenger/genetics
- Real-Time Polymerase Chain Reaction
- Receptors, CCR6/genetics
- Receptors, CCR6/metabolism
- Receptors, CCR6/physiology
- Reverse Transcriptase Polymerase Chain Reaction
- Tumor Cells, Cultured
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Affiliation(s)
- Bisweswar Nandi
- Research Service, VA Boston Healthcare System, West Roxbury, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
| | - Christine Pai
- Research Service, VA Boston Healthcare System, West Roxbury, Massachusetts, United States of America
| | - Qin Huang
- Harvard Medical School, Boston, Massachusetts, United States of America
- Pathology, Service, VA Boston Healthcare System, West Roxbury, Massachusetts, United States of America
| | - Rao H. Prabhala
- Research Service, VA Boston Healthcare System, West Roxbury, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
- Dana-Farber Cancer Center, Boston, Massachusetts, United States of America
| | - Nikhil C. Munshi
- Harvard Medical School, Boston, Massachusetts, United States of America
- Dana-Farber Cancer Center, Boston, Massachusetts, United States of America
- Medicine Service, VA Boston Healthcare System, West Roxbury, Massachusetts, United States of America
| | - Jason S. Gold
- Harvard Medical School, Boston, Massachusetts, United States of America
- Surgery Service, VA Boston Healthcare System, West Roxbury, Massachusetts, United States of America
- Brigham and Women's Hospital, Boston, Massachusetts, United States of America
- * E-mail:
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Ho YY, Cope LM, Parmigiani G. Modular network construction using eQTL data: an analysis of computational costs and benefits. Front Genet 2014; 5:40. [PMID: 24616734 PMCID: PMC3935177 DOI: 10.3389/fgene.2014.00040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Accepted: 02/01/2014] [Indexed: 11/30/2022] Open
Abstract
Background: In this paper, we consider analytic methods for the integrated analysis of genomic DNA variation and mRNA expression (also named as eQTL data), to discover genetic networks that are associated with a complex trait of interest. Our focus is the systematic evaluation of the trade-off between network size and network search efficiency in the construction of these networks. Results: We developed a modular approach to network construction, building from smaller networks to larger ones, thereby reducing the search space while including more variables in the analysis. The goal is achieving a lower computational cost while maintaining high confidence in the resulting networks. As demonstrated in our simulation results, networks built in this way have low node/edge false discovery rate (FDR) and high edge sensitivity comparing to greedy search. We further demonstrate our method in a data set of cellular responses to two chemotherapeutic agents: docetaxel and 5-fluorouracil (5-FU), and identify biologically plausible networks that might describe resistances to these drugs. Conclusion: In this study, we suggest that guided comprehensive searches for parsimonious networks should be considered as an alternative to greedy network searches.
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Affiliation(s)
- Yen-Yi Ho
- Division of Biostatistics, School of Public Health, University of Minnesota Minneapolis, MN, USA
| | - Leslie M Cope
- The Sidney Kimmel Cancer Center, Johns Hopkins School of Medicine Baltimore, MD, USA
| | - Giovanni Parmigiani
- Dana-Farber Cancer Institute and Harvard School of Public Health Boston, MA, USA
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35
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Huang AF, Chen MW, Huang SM, Kao CL, Lai HC, Chan JYH. CD164 regulates the tumorigenesis of ovarian surface epithelial cells through the SDF-1α/CXCR4 axis. Mol Cancer 2013; 12:115. [PMID: 24094005 PMCID: PMC4015273 DOI: 10.1186/1476-4598-12-115] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 10/02/2013] [Indexed: 02/08/2023] Open
Abstract
Background CD164 (endolyn), a sialomucin, has been reported to play a role in the proliferation, adhesion, and differentiation of hematopoietic stem cells. The potential association of CD164 with tumorigenicity remains unclear. Methods The clinicopathological correlation of ovarian cancer with CD164 was assessed in a 97-patient tumor tissue microarray. Overexpression or silence CD164 was to analyze the effect of CD164 on the proliferation, colony formation and apoptosis via a mouse xenograft and western blotting analysis. The subcellular localization of CD164 was collected in the immunohistochemical and confocal analysis. Results Our data demonstrated that higher expression levels of CD164 were identified in malignant ovarian cancer cell lines, such as SKOV3 and HeyA8. The clinicopathological correlation analysis showed that the upregulation of CD164 protein was significantly associated with tumor grade and metastasis. The overexpression of CD164 in human ovarian epithelial surface cells promoted cellular proliferation and colony formation and suppressed apoptosis. These tumorigenicity effects of CD164 were reconfirmed in a mouse xenograft model. We also found that the overexpression of CD164 proteins increased the amounts of CXCR4 and SDF-1α and activated the SDF-1α/CXCR4 axis, inducing colony and sphere formation. Finally, we identified the subcellular localization of CD164 in the nucleus and cytosol and found that nuclear CD164 might be involved in the regulation of the activity of the CXCR4 promoter. Conclusions Our findings suggest that the increased expression of CD164 is involved in ovarian cancer progression via the SDF-1α/CXCR4 axis, which promotes tumorigenicity. Thus, targeting CD164 may serve as a potential ovarian cancer biomarker, and targeting CD164 may serve as a therapeutic modality in the management of high-grade ovarian tumors.
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Affiliation(s)
- Ai-Fang Huang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 114, Taiwan, Republic of China.
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Primary breast cancer stem-like cells metastasise to bone, switch phenotype and acquire a bone tropism signature. Br J Cancer 2013; 108:2525-36. [PMID: 23801032 PMCID: PMC3694250 DOI: 10.1038/bjc.2013.271] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Bone metastases represent a common and severe complication in breast cancer, and the involvement of cancer stem cells (CSCs) in the promotion of bone metastasis is currently under discussion. Here, we used a human-in-mice model to study bone metastasis formation due to primary breast CSCs-like colonisation. METHODS Primary CD44⁺CD24⁻ breast CSCs-like were transduced by a luciferase-lentiviral vector and injected through subcutaneous and intracardiac (IC) routes in non-obese/severe-combined immunodeficient (NOD/SCID) mice carrying subcutaneous human bone implants. The CSCs-like localisation was monitored by in vivo luciferase imaging. Bone metastatic CSCs-like were analysed through immunohistochemistry and flow cytometry, and gene expression analyses were performed by microarray techniques. RESULTS Breast CSCs-like colonised the human-implanted bone, resulting in bone remodelling. Bone metastatic lesions were histologically apparent by tumour cell expression of epithelial markers and vimentin. The bone-isolated CSCs-like were CD44⁻CD24⁺ and showed tumorigenic abilities after injection in secondary mice. CD44⁻CD24⁺ CSCs-like displayed a distinct bone tropism signature that was enriched in genes that discriminate bone metastases of breast cancer from metastases at other organs. CONCLUSION Breast CSCs-like promote bone metastasis and display a CSCs-like bone tropism signature. This signature has clinical prognostic relevance, because it efficiently discriminates osteotropic breast cancers from tumour metastases at other sites.
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Chen B, Zhang D, Zhou J, Li Q, Zhou L, Li SM, Zhu L, Chou KY, Zhou L, Tao L, Lu LM. High CCR6/CCR7 expression and Foxp3+ Treg cell number are positively related to the progression of laryngeal squamous cell carcinoma. Oncol Rep 2013; 30:1380-90. [PMID: 23835793 DOI: 10.3892/or.2013.2603] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Accepted: 05/13/2013] [Indexed: 11/06/2022] Open
Abstract
Chemokine receptors CCR6 and CCR7 have been reported to play important roles in T cell migration and organ-specific metastasis of various tumors. In the present study, we evaluated the expression and clinical significance of CCR6, CCR7, their ligands and CD4+CD25+Foxp3+ regulatory T cells in laryngeal squamous cell carcinoma (LSCC) and metastatic lymph nodes (LNs). The expression of CCR6, CCR7 and their ligands mRNA (CCL20, CCL19/CCL21) as well as the CCR6 and CCR7 proteins were detected by real-time RT-PCR and immunohistochemistry (IHC), respectively. Flow cytometry was used to investigate the percentage of CD4+CD25+Foxp3+ regulatory T cells (Tregs) in peripheral blood mononuclear cells (PBMCs). Furthermore, a number of cytokines, including interleukin (IL)-2, IL-4, IL-10, IL-12p70, interferon (IFN)-γ and transforming growth factor (TGF)-β1 were detected by ELISA. The results showed that CCR6 and CCR7 were expressed in tumors in situ, metastatic LNs and CD4+CD25+Foxp3+ Tregs. It was hypothesized that the expression profile of CCR6, CCR7 and the proliferation of CD4+CD25+Foxp3+ Tregs affected the process of LN metastasis in LSCC patients. Therefore, the increased percentage of the Foxp3+ Tregs and the upregulation of Foxp3 expression on CCR6+ Tregs in LSCC patients may have accounted for the downregulation of antitumor immunity in these patients, which could be valuable for assessment of prognosis in LSCC treatment.
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Affiliation(s)
- Bin Chen
- Department of Otolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, Shanghai 200031, P.R. China
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Son DS, Kabir SM, Dong Y, Lee E, Adunyah SE. Characteristics of chemokine signatures elicited by EGF and TNF in ovarian cancer cells. JOURNAL OF INFLAMMATION-LONDON 2013; 10:25. [PMID: 23800251 PMCID: PMC3694479 DOI: 10.1186/1476-9255-10-25] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 06/19/2013] [Indexed: 01/26/2023]
Abstract
Background Ovarian cancer, an inflammation-associated cancer, is the fifth leading cause of cancer deaths in women. The malignancy produces a large amount of tumor necrosis factor (TNF) which promotes a proinflammatory tumor microenvironment. In addition, the epidermal growth factor receptor (EGFR) is frequently overexpressed in high-grade ovarian cancer, which likely aggravates cancer progression. Since ovarian cancer progression is closely associated with chemokine networks driven by inflammation or EGFR activation, we investigated the chemokine signatures elicited by EGF and TNF in ovarian cancer cells to determine their individual profiles and if there was in fact some kind of synergy between their actions on the chemokine network. Methods We used a PCR array for the chemokine network to examine the signature of chemokines and their receptors elicited by EGF and TNF in four ovarian cancer cell lines (OVCAR-3, SKOV-3, CaOV-3 and TOV-21G). Results The chemokine network revealed that ovarian cancer cells commonly expressed high levels of proinflammatory chemokines such as CCL20, CXCL1-3 and CXCL8 in response to EGF or TNF. However, the responsiveness to EGF or TNF displayed a cell line specific pattern. Although OVCAR-3 and SKOV-3 cells were responsive to either EGF or TNF, their TNF responsiveness was dominant. On the other hand, CaOV-3 and TOV-21G cells were responsive to EGF but less to TNF, probably due to the high levels of non-canonical nuclear factor (NF)-κB components such as IKKα and p52 in these cell lines compared to OVCAR-3 and SKOV-3 cells. Among chemokine receptors, only CXCR5 was responsive to EGF or TNF in CaOV-3 cells. Finally, CCL20 and CXCL8 responded synergistically in response to EGF and TNF in OVCAR-3 and SKOV-3 cells. Conclusion Our results indicate that CCL20, CXCL1-3 and CXCL8 are the primary chemokines induced by EGF or TNF and are elicited in these ovarian cancer cells via NF-κB, Akt and Erk signaling pathways. Of interest, there was a syngergistic response in terms of CCL20 and CXCL8 levels, when OVCAR-3 and SKOV-3 cells were exposed to EGF plus TNF. Targeting these proinflammatory chemokines may be a promising therapeutic strategy for ovarian cancer with abundant TNF and EGFR activation patterns.
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Affiliation(s)
- Deok-Soo Son
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN, USA.
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Virani S, Edwards AK, Thomas R, Childs T, Tayade C. Blocking of stromal cell-derived factor-1 reduces neoangiogenesis in human endometriosis lesions in a mouse model. Am J Reprod Immunol 2013; 70:386-97. [PMID: 23650939 DOI: 10.1111/aji.12134] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 04/03/2013] [Indexed: 02/03/2023] Open
Abstract
PROBLEM Endometriosis affects 5-10% of women and is characterized by the growth of endometrial tissue outside of the uterus. Establishing new blood supply is a fundamental requirement for endometriosis lesion growth. Endothelial progenitor cells (EPCs), recruited by stromal cell-derived factor-1 (SDF-1), contribute to neoangiogenesis in endometriotic lesions. We hypothesized that SDF-1 is central to the neoangiogenesis and survival of endometriotic lesions, and blocking of SDF-1 will reduce vascularization of lesions in a mouse model. METHOD OF STUDY Using immunohistochemistry, we evaluated SDF-1 and CD34(+) EPCs in human endometriotic lesions and normal endometrium samples. EPCs were co-localized using CD34 and VEGFR2. Effects of SDF-1 blocking on endometriotic lesion survival were assessed in BALB/c-Rag2(-/-) /IL2rγ(-/-) mice engrafted with human endometrium and treated with SDF-1-blocking antibody or an isotype control. Weekly blood samples from experimental mice were analyzed for cytokines and EPCs. RESULTS SDF-1 and CD34(+) EPCs were abundant in human endometriotic lesions compared with eutopic endometrium. In our mouse model, SDF-1-blocking antibody reduced CD31(+) microvessels compared with isotype control. CONCLUSION Blocking SDF-1 reduces neovascularization and survival of lesions in a mouse model of endometriosis.
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Affiliation(s)
- Sophia Virani
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
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Kim HY, Oh YS, Song IC, Kim SW, Lee HJ, Yun HJ, Kim S, Jo DY. Endogenous stromal cell-derived factor-1 (CXCL12) supports autonomous growth of acute myeloid leukemia cells. Leuk Res 2013; 37:566-72. [PMID: 23473997 DOI: 10.1016/j.leukres.2013.01.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Revised: 12/22/2012] [Accepted: 01/21/2013] [Indexed: 10/27/2022]
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van Vlerken LE, Kiefer CM, Morehouse C, Li Y, Groves C, Wilson SD, Yao Y, Hollingsworth RE, Hurt EM. EZH2 is required for breast and pancreatic cancer stem cell maintenance and can be used as a functional cancer stem cell reporter. Stem Cells Transl Med 2012; 2:43-52. [PMID: 23283488 DOI: 10.5966/sctm.2012-0036] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Although cancer is largely seen as a disease stemming from genetic mutations, evidence has implicated epigenetic regulation of gene expression as a driving force for tumorigenesis. Epigenetic regulation by histone modification, specifically through polycomb group (PcG) proteins such as EZH2 and BMI-1, is a major driver in stem cell biology and is found to be correlated with poor prognosis in many tumor types. This suggests a role for PcG proteins in cancer stem cells (CSCs). We hypothesized that epigenetic modification by EZH2, specifically, helps maintain the CSC phenotype and that in turn this epigenetic modifier can be used as a reporter for CSC activity in an in vitro high-throughput screening assay. CSCs isolated from pancreatic and breast cancer lines had elevated EZH2 levels over non-CSCs. Moreover, EZH2 knockdown by RNA interference significantly reduced the frequency of CSCs in all models tested, confirming the role of EZH2 in maintenance of the CSC population. Interestingly, genes affected by EZH2 loss, and therefore CSC loss, were inversely correlated with genes identified by CSC enrichment, further supporting the function of EZH2 CSC regulation. We translated these results into a novel assay whereby elevated EZH2 staining was used as a reporter for CSCs. Data confirmed that this assay could effectively measure changes, both inhibition and enrichment, in the CSC population, providing a novel approach to look at CSC activity. This assay provides a unique, rapid way to facilitate CSC screening across several tumor types to aid in further CSC-related research.
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Fahham D, Weiss ID, Abraham M, Beider K, Hanna W, Shlomai Z, Eizenberg O, Zamir G, Izhar U, Shapira OM, Peled A, Wald O. In vitro and in vivo therapeutic efficacy of CXCR4 antagonist BKT140 against human non–small cell lung cancer. J Thorac Cardiovasc Surg 2012; 144:1167-1175.e1. [DOI: 10.1016/j.jtcvs.2012.07.031] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 06/27/2012] [Accepted: 07/25/2012] [Indexed: 01/31/2023]
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The serine protease plasmin triggers expression of the CC-chemokine ligand 20 in dendritic cells via Akt/NF-κB-dependent pathways. J Biomed Biotechnol 2012; 2012:186710. [PMID: 23118497 PMCID: PMC3480669 DOI: 10.1155/2012/186710] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Accepted: 06/01/2012] [Indexed: 12/28/2022] Open
Abstract
The number of dendritic cells is increased in advanced atherosclerotic lesions. In addition, plasmin, which might stimulate dendritic cells, is generated in atherosclerotic lesions. Here, we investigated cytokine and chemokine induction by plasmin in human dendritic cells. In human atherosclerotic vessel sections, plasmin colocalized with dendritic cells and the CC-chemokine ligand 20 (CCL20, MIP-3α), which is important for homing of lymphocytes and dendritic cells to sites of inflammation. Stimulation of human dendritic cells with plasmin, but not with catalytically inactivated plasmin, induced transcriptional regulation of CCL20. By contrast, proinflammatory cytokines such as TNF-α, IL-1α, and IL-1β were not induced. The plasmin-mediated CCL20 expression was preceded by activation of Akt and MAP kinases followed by activation of the transcription factor NF-κB as shown by phosphorylation of its inhibitor IκBα, by nuclear localization of p65, its phosphorylation, and binding to NF-κB consensus sequences. The plasmin-induced CCL20 expression was dependent on Akt- and ERK1/2-mediated phosphorylation of IκBα on Ser32/36 and of p65 on Ser276, whereas p38 MAPK appeared to be dispensable. Thus, plasmin triggers release of the chemokine CCL20 from dendritic cells, which might facilitate accumulation of CCR6+ immune cells in areas of plasmin generation such as inflamed tissues including atherosclerotic lesions.
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Ding X, Wang K, Wang H, Zhang G, Liu Y, Yang Q, Chen W, Hu S. High expression of CCL20 is associated with poor prognosis in patients with hepatocellular carcinoma after curative resection. J Gastrointest Surg 2012; 16:828-36. [PMID: 22072303 DOI: 10.1007/s11605-011-1775-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2011] [Accepted: 10/26/2011] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Chemokine ligand 20 (CCL20) plays an important role in the carcinogenesis, invasion, and progression of malignancies. This study aimed to investigate the prognostic significance of CCL20 in patients with hepatocellular carcinoma (HCC) after curative resection. METHODS Expression of CCL20 was evaluated by immunohistochemistry in tumor tissue from 125 patients who underwent curative resection of HCC. The relationship between CCL20 expression and clinicopathologic features was analyzed. Univariate and multivariate analyses were performed to evaluate its predictive value for tumor recurrence and survival of HCC patients. RESULTS CCL20 expression was verified in all tumor specimens. CCL20 expression was associated with tumor size (P = 0.002), tumor number (P = 0.031), vascular invasion (P = 0.003), tumor differentiation (P = 0.024), and tumor recurrence (P < 0.001). Patients with high CCL20 expression had poorer recurrence-free survival and overall survival (both P < 0.001) than those with low CCL20 expression. Multivariate analysis showed CCL20 expression was an independent predictor of tumor recurrence (Hazard ratio 3.934, P = 0.002), recurrence-free survival (Hazard ratio 2.573, P = 0.001), and overall survival (Hazard ratio 2.930, P = 0.001). CONCLUSION CCL20 expression was associated with tumor recurrence and survival of HCC patients. It may be used to predict prognosis of patients with HCC and may be a new target of postoperative adjuvant therapy.
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Affiliation(s)
- Xiangjiu Ding
- Department of General Surgery, Qilu Hospital, Shandong University, 107 Wenhua Xi Road, Jinan, 250012, People's Republic of China
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CCL21/CCR7 prevents apoptosis via the ERK pathway in human non-small cell lung cancer cells. PLoS One 2012; 7:e33262. [PMID: 22438908 PMCID: PMC3306387 DOI: 10.1371/journal.pone.0033262] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 02/06/2012] [Indexed: 11/19/2022] Open
Abstract
Previously, we confirmed that C-C chemokine receptor 7 (CCR7) promotes cell proliferation via the extracellular signal-regulated kinase (ERK) pathway, but its role in apoptosis of non-small cell lung cancer (NSCLC) cell lines remains unknown. A549 and H460 cells of NSCLC were used to examine the effect of CCL21/CCR7 on apoptosis using flow cytometry. The results showed that activation of CCR7 by its specific ligand, exogenous chemokine ligand 21 (CCL21), was associated with a significant decline in the percent of apoptosis. Western blot and real-time PCR assays indicated that activation of CCR7 significantly caused upregulation of anti-apoptotic bcl-2 and downregulation of pro-apoptotic bax and caspase-3, but not p53, at both protein and mRNA levels. CCR7 small interfering RNA significantly attenuated these effects of exogenous CCL21. Besides, PD98059, a selective inhibitor of MEK that disrupts the activation of downstream ERK, significantly abolished these effects of CCL21/CCR7. Coimmunoprecipitation further confirmed that there was an interaction between p-ERK and bcl-2, bax, or caspase-3, particularly in the presence of CCL21. These results strongly suggest that CCL21/CCR7 prevents apoptosis by upregulating the expression of bcl-2 and by downregulating the expression of bax and caspase-3 potentially via the ERK pathway in A549 and H460 cells of NSCLC.
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Interleukin 1α sustains the expression of inflammatory factors in human pancreatic cancer microenvironment by targeting cancer-associated fibroblasts. Neoplasia 2011; 13:664-75. [PMID: 21847358 DOI: 10.1593/neo.11332] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2011] [Revised: 05/17/2011] [Accepted: 05/20/2011] [Indexed: 02/06/2023] Open
Abstract
The tumor microenvironment in pancreatic ductal adenocarcinoma (PDAC) is dynamic, with an extensive interaction between the stroma and tumor cells. The aim of this study was to delineate the cross talk between PDAC and cancer-associated fibroblasts (CAFs), with a focus on the mechanism creating the chronic inflammatory tumor milieu. We assessed the effects of the cross talk between PDAC and CAF cell lines on the creation and sustenance of the inflammatory tumor microenvironment in pancreatic cancer. The coculture of PDAC and CAF cell lines enhanced the levels of inflammatory factors including IL-1α, IL-6, CXCL8, VEGF-A, CCL20, and COX-2. CAFs were superior to tumor cells regarding the production of most inflammatory factors, and tumor cell-associated IL-1α was established as the initiator of the enhanced production of inflammatory factors through the binding of IL-1α to IL-1 receptor 1 (IL-1R1) expressed predominantly by CAFs. Furthermore, we found a correlation between IL-1α and CXCL8 expression levels in PDAC tissues and correlation between IL-1α expression and the clinical outcome of the patients. This confirmed an important role for the IL-1 signaling cascade in the creation and sustenance of a tumor favorable microenvironment. Neutralization of the IL-1α signaling efficiently diminished the cross talk-induced production of inflammatory factors. These data suggest that the cross talk between PDAC cells and the main stroma cell type, i.e. CAFs, is one essential factor in the formation of the inflammatory tumor environment, and we propose that neutralization of the IL-1α signaling might be a potential therapy for this cancer.
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Modulation of chemotactic and pro-inflammatory activities of endothelial progenitor cells by hepatocellular carcinoma. Cell Signal 2011; 24:779-93. [PMID: 22120522 DOI: 10.1016/j.cellsig.2011.11.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Accepted: 11/05/2011] [Indexed: 12/12/2022]
Abstract
Endothelial progenitor cells (EPCs) participate in the neovascularization processes in the development of hepatocellular carcinoma (HCC). We investigated whether interactions between EPCs and HCC cells affect chemotactic and pro-inflammatory activities of EPCs. Two distinct phenotypes of circulating EPCs, i.e., myeloid-derived EPCs (colony forming unit-endothelial cells, CFU-ECs) and outgrowth EPCs (endothelial-colony forming cells, ECFCs), were co-cultured with Huh7 and Hep3B cells by using transwell chamber and IBIDI(TM) Culture-Inserts and μ-slide plates. Transwell and horizontal migration/invasion assays and time-lapse microscopy were used to monitor and analyze the migration and invasion of EPCs induced by these HCC cells. A human cytokine antibody array was used to compare protein expression profiles in EPCs and HCC cells. Flow cytometry and electromobility shift analysis were used to detect nuclear factor-κB (NF-κB)-DNA binding activity and pro-inflammatory adhesion molecule expression in EPCs. Ectopic full-length CC chemokine receptor 6 (CCR6) plasmid was used to transfect into ECFCs to investigate the role of CCR6 in HCC-induced EPC migration and invasion. The results show that co-culture with Huh7 and Hep3B cells induces the expression of endothelial cell (EC) markers KDR, Flt1, CD31 and VE-cadherin in CFU-ECs, but down-regulates the expressions of CD31 and VE-cadherin in ECFCs. These HCC cells induce migration and invasion of CFU-ECs, but not ECFCs, and do not affect the cell cycle distribution in these EPCs. Cytokine protein array identifies macrophage inflammatory protein-3α (MIP-3α) produced by HCC cells as a critical factor responsible for the HCC-induced chemotaxis of CFU-ECs, which highly express the specific MIP-3α counterreceptor CCR6. Overexpressing CCR6 in ECFCs significantly increases their chemotaxis in response to HCC cells. Co-culturing EPCs with HCC cells results in decreases in NF-κB binding activity and hence intracellular adhesion molecule-1, vascular cell adhesion molecule-1, and E-selectin expressions in EPCs. Our results indicate that HCC cells exert differential effects on CFU-ECs and ECFCs, with increased chemotaxis for CFU-ECs, but not ECFCs. This HCC-induced chemotaxis of CFU-ECs is mediated by MIP-3α produced by HCC cells, which targets to CCR6 on CFU-ECs. Tumors may provide a humoral microenvironment to attenuate the pro-inflammatory activity of EPCs, which might be associated with the tumor escape mechanism.
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Polymorphisms of key chemokine genes and survival of non-small cell lung cancer in Chinese. Lung Cancer 2011; 74:164-9. [DOI: 10.1016/j.lungcan.2011.03.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Revised: 01/09/2011] [Accepted: 03/15/2011] [Indexed: 12/31/2022]
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Kirshberg S, Izhar U, Amir G, Demma J, Vernea F, Beider K, Shlomai Z, Wald H, Zamir G, Shapira OM, Peled A, Wald O. Involvement of CCR6/CCL20/IL-17 axis in NSCLC disease progression. PLoS One 2011; 6:e24856. [PMID: 21949768 PMCID: PMC3174223 DOI: 10.1371/journal.pone.0024856] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Accepted: 08/22/2011] [Indexed: 01/17/2023] Open
Abstract
Objectives Autocrine and paracrine chemokine/chemokine receptor-based interactions promote non-small-cell-lung-cancer (NSCLC) carcinogenesis. CCL20/CCR6 interactions are involved in prostatic and colonic malignancy pathogenesis. The expression and function of CCL20/CCR6 and its related Th-17 type immune response in NSCLC is not yet defined. We sought to characterize the role of the CCL20/CCR6/IL-17 axis in NSCLC tumor growth. Methods A specialized histopathologist blindly assessed CCL20/CCR6 expression levels in 49 tissue samples of NSCLC patients operated in our department. Results were correlated to disease progression. Colony assays, ERK signaling and chemokine production were measured to assess cancer cell responsiveness to CCL20 and IL-17 stimulation. Results CCL20 was highly expressed in the majority (38/49, 77.5%) of tumor samples. Only a minority of samples (8/49, 16.5%) showed high CCR6 expression. High CCR6 expression was associated with a shorter disease-free survival (P = 0.008) and conferred a disease stage-independent 4.87-fold increased risk for disease recurrence (P = 0.0076, CI 95% 1.52–15.563). Cancerous cell colony-forming capacity was increased by CCL20 stimulation; this effect was dependent in part on ERK phosphorylation and signaling. IL-17 expression was detected in NSCLC; IL-17 potentiated the production of CCL20 by cancerous cells. Conclusion Our findings suggest that the CCL20/CCR6 axis promotes NSCLC disease progression. CCR6 is identified as a potential new prognostic marker and the CCL20/CCR6/IL-17 axis as a potential new therapeutic target. Larger scale studies are required to consolidate these observations.
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Affiliation(s)
- Sophie Kirshberg
- Goldyne Savad Institute of Gene Therapy, Hadassah University Hospital, Jerusalem, Israel
| | - Uzi Izhar
- Department of Cardiothoracic Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Gail Amir
- Department of Pathology, Hadassah University Hospital, Jerusalem, Israel
| | - Jonathan Demma
- Laboratory for Surgical Research, Hadassah University Hospital, Jerusalem, Israel
- Department of Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Fiona Vernea
- Department of Pathology, Hadassah University Hospital, Jerusalem, Israel
| | - Katia Beider
- Goldyne Savad Institute of Gene Therapy, Hadassah University Hospital, Jerusalem, Israel
| | - Zippora Shlomai
- Laboratory for Surgical Research, Hadassah University Hospital, Jerusalem, Israel
| | - Hanna Wald
- Goldyne Savad Institute of Gene Therapy, Hadassah University Hospital, Jerusalem, Israel
| | - Gideon Zamir
- Laboratory for Surgical Research, Hadassah University Hospital, Jerusalem, Israel
- Department of Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Oz M. Shapira
- Department of Cardiothoracic Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Amnon Peled
- Goldyne Savad Institute of Gene Therapy, Hadassah University Hospital, Jerusalem, Israel
| | - Ori Wald
- Department of Cardiothoracic Surgery, Hadassah University Hospital, Jerusalem, Israel
- * E-mail:
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Interaction between neoplastic cells and cancer-associated fibroblasts through the CXCL12/CXCR4 axis: Role in non–small cell lung cancer tumor proliferation. J Thorac Cardiovasc Surg 2011; 141:1503-12. [DOI: 10.1016/j.jtcvs.2010.11.056] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2010] [Revised: 09/23/2010] [Accepted: 11/02/2010] [Indexed: 01/25/2023]
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