1
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Chi LH, Redfern AD, Roslan S, Street IP, Burrows AD, Anderson RL. Loss of tumor-derived SMAD4 enhances primary tumor growth but not metastasis following BMP4 signalling. Cell Commun Signal 2024; 22:248. [PMID: 38689334 PMCID: PMC11060976 DOI: 10.1186/s12964-024-01559-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 03/04/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Bone morphogenetic protein 4 (BMP4) is a potent inhibitor of breast cancer metastasis. However, a tumor-promoting effect of BMP4 is reported in other tumor types, especially when SMAD4 is inactive. METHODS To assess the requirement for SMAD4 in BMP4-mediated suppression of metastasis, we knocked down SMAD4 in two different breast tumors and enforced SMAD4 expression in a third line with endogenous SMAD4 deletion. In addition, we assessed the requirement for SMAD4 in tumor cell-specific BMP signalling by expression of a constitutively active BMP receptor. Delineation of genes regulated by BMP4 in the presence or absence of SMAD4 was assessed by RNA sequencing and a BMP4-induced gene, MYO1F was assessed for its role in metastasis. Genes regulated by BMP4 and/or SMAD4 were assessed in a publicly available database of gene expression profiles of breast cancer patients. RESULTS In the absence of SMAD4, BMP4 promotes primary tumor growth that is accompanied by increased expression of genes associated with DNA replication, cell cycle, and MYC signalling pathways. Despite increased primary tumor growth, BMP4 suppresses metastasis in the absence of tumor cell expression of SMAD4. Consistent with the anti-metastatic activity of BMP4, enforced signalling through the constitutively active receptor in SMAD4 positive tumors that lacked BMP4 expression still suppressed metastasis, but in the absence of SMAD4, the suppression of metastasis was largely prevented. Thus BMP4 is required for suppression of metastasis regardless of tumor SMAD4 status. The BMP4 upregulated gene, MYO1F, was shown to be a potent suppressor of breast cancer metastasis. Gene signature upregulated by BMP4 in the absence of SMAD4 was associated with poor prognosis in breast cancer patients, whereas gene signature upregulated by BMP4 in the presence of SMAD4 was associated with improved prognosis. CONCLUSIONS BMP4 expression is required for suppression of metastasis regardless of the SMAD4 status of the tumor cells. Since BMP4 is a secreted protein, we conclude that it can act both in an autocrine manner in SMAD4-expressing tumor cells and in a paracrine manner on stromal cells to suppress metastasis. Deletion of SMAD4 from tumor cells does not prevent BMP4 from suppressing metastasis via a paracrine mechanism.
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Affiliation(s)
- Lap Hing Chi
- Olivia Newton-John Cancer Research Institute, 145 Studley Road, Heidelberg, VIC, 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC, Australia
| | - Andrew D Redfern
- Harry Perkins Institute of Medical Research, University of Western Australia, Perth, WA, Australia
| | - Suraya Roslan
- Department of Surgery, St. Vincent's Hospital, Fitzroy, VIC, Australia
| | - Ian P Street
- Children's Cancer Institute, University of New South Wales, New South Wales, Australia
| | - Allan D Burrows
- Olivia Newton-John Cancer Research Institute, 145 Studley Road, Heidelberg, VIC, 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC, Australia
| | - Robin L Anderson
- Olivia Newton-John Cancer Research Institute, 145 Studley Road, Heidelberg, VIC, 3084, Australia.
- School of Cancer Medicine, La Trobe University, Bundoora, VIC, Australia.
- Department of Clinical Pathology, The University of Melbourne, Parkville, VIC, Australia.
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC, Australia.
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2
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Nguyen A, Sung Y, Lee SH, Martin CE, Srikanth S, Chen W, Kang MK, Kim RH, Park NH, Gwack Y, Kim Y, Shin KH. Orai3 Calcium Channel Contributes to Oral/Oropharyngeal Cancer Stemness through the Elevation of ID1 Expression. Cells 2023; 12:2225. [PMID: 37759448 PMCID: PMC10527097 DOI: 10.3390/cells12182225] [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: 07/27/2023] [Revised: 08/24/2023] [Accepted: 09/02/2023] [Indexed: 09/29/2023] Open
Abstract
Emerging evidence indicates that intracellular calcium (Ca2+) levels and their regulatory proteins play essential roles in normal stem cell proliferation and differentiation. Cancer stem-like cells (CSCs) are subpopulations of cancer cells that retain characteristics similar to stem cells and play an essential role in cancer progression. Recent studies have reported that the Orai3 calcium channel plays an oncogenic role in human cancer. However, its role in CSCs remains underexplored. In this study, we explored the effects of Orai3 in the progression and stemness of oral/oropharyngeal squamous cell carcinoma (OSCC). During the course of OSCC progression, the expression of Orai3 exhibited a stepwise augmentation. Notably, Orai3 was highly enriched in CSC populations of OSCC. Ectopic Orai3 expression in non-tumorigenic immortalized oral epithelial cells increased the intracellular Ca2+ levels, acquiring malignant growth and CSC properties. Conversely, silencing of the endogenous Orai3 in OSCC cells suppressed the CSC phenotype, indicating a pivotal role of Orai3 in CSC regulation. Moreover, Orai3 markedly increased the expression of inhibitor of DNA binding 1 (ID1), a stemness transcription factor. Orai3 and ID1 exhibited elevated expression within CSCs compared to their non-CSC counterparts, implying the functional importance of the Orai3/ID1 axis in CSC regulation. Furthermore, suppression of ID1 abrogated the CSC phenotype in the cell with ectopic Orai3 overexpression and OSCC. Our study reveals that Orai3 is a novel functional CSC regulator in OSCC and further suggests that Orai3 plays an oncogenic role in OSCC by promoting cancer stemness via ID1 upregulation.
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Affiliation(s)
- Anthony Nguyen
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
| | - Youngjae Sung
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
| | - Sung Hee Lee
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
| | - Charlotte Ellen Martin
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
| | - Sonal Srikanth
- Department of Physiology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Wei Chen
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
| | - Mo K. Kang
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
- UCLA Jonsson Comprehensive Cancer Center, Los Angeles, CA 90095, USA
| | - Reuben H. Kim
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
- UCLA Jonsson Comprehensive Cancer Center, Los Angeles, CA 90095, USA
| | - No-Hee Park
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
- UCLA Jonsson Comprehensive Cancer Center, Los Angeles, CA 90095, USA
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Yousang Gwack
- Department of Physiology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Yong Kim
- UCLA Jonsson Comprehensive Cancer Center, Los Angeles, CA 90095, USA
- Laboratory of Stem Cell and Cancer Epigenetics, UCLA School of Dentistry, Los Angeles, CA 90095, USA
- UCLA Broad Stem Cell Research Center, Los Angeles, CA 90095, USA
| | - Ki-Hyuk Shin
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA; (A.N.)
- UCLA Jonsson Comprehensive Cancer Center, Los Angeles, CA 90095, USA
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3
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CircRNA circ_0006156 inhibits the metastasis of prostate cancer by blocking the ubiquitination of S100A9. Cancer Gene Ther 2022; 29:1731-1741. [PMID: 35760899 PMCID: PMC9663304 DOI: 10.1038/s41417-022-00492-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/10/2022] [Accepted: 06/08/2022] [Indexed: 02/04/2023]
Abstract
Circular RNAs (circRNAs) have been demonstrated to play vital roles in cancer development and progression. However, studies on the association between circRNAs and prostate cancer (PCa) are still lacking. CircRNA sequencing of two pairs of PCa tissues and adjacent normal tissues was conducted in the present study, and qRT-PCR was performed to verify the results. Functional experiments were performed to investigate cellular functions after specific changes. Mass spectrometry analysis after RNA pull-down experiments and Co-IP assays were further conducted. Downstream target proteins were predicted via online databases and detected in vitro by Western blot analysis and in vivo by immunohistochemistry. Hsa_circ_0006156 (subsequently named circ_0006156) expresses at low levels in both PCa tissues and cells, and it significantly inhibits the migration and invasion of PCa cells. Circ_0006156 binds to and blocks the ubiquitination of S100A9. Moreover, functional assays revealed that circ_0006156 represses the malignant progression of PCa by binding to S100A9. Finally, in vivo experiments showed that circ_0006156 suppresses PCa migration and invasion by increasing S100A9, revealing circ_0006156 as a potential novel effective target for PCa treatment.
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4
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Decidua Parietalis Mesenchymal Stem/Stromal Cells and Their Secretome Diminish the Oncogenic Properties of MDA231 Cells In Vitro. Cells 2021; 10:cells10123493. [PMID: 34944000 PMCID: PMC8700435 DOI: 10.3390/cells10123493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/28/2021] [Accepted: 11/30/2021] [Indexed: 12/27/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have been shown to suppress tumor growth, inhibit angiogenesis, regulate cellular signaling, and induce apoptosis in cancer cells. We have earlier reported that placenta-derived decidua parietalis mesenchymal stem/stromal cells (DPMSCs) not only retained their functional characteristics in the cancer microenvironment but also exhibited increased expression of anti-apoptotic genes, demonstrating their anti-tumor properties in the tumor setting. In this study, we have further evaluated the effects of DPMSCs on the functional outcome of human breast cancer cell line MDA231. MDA231 cells were exposed to DPMSCs, and their biological functions, including adhesion, proliferation, migration, and invasion, were evaluated. In addition, genomic and proteomic modifications of the MDA231 cell line, in response to the DPMSCs, were also evaluated. MDA231 cells exhibited a significant reduction in proliferation, migration, and invasion potential after their treatment with DPMSCs. Furthermore, DPMSC treatment diminished the angiogenic potential of MDA231 cells. DPMSC treatment modulated the expression of various pro-apoptotic as well as oncogenes in MDA231 cells. The properties of DPMSCs to inhibit the invasive characteristics of MDA231 cells demonstrate that they may be a useful candidate in a stem-cell-based therapy against cancer.
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5
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Svanström A, Rosendahl J, Salerno S, Jonasson E, Håkansson J, Ståhlberg A, Landberg G. The Effect of Hypoxic and Normoxic Culturing Conditions in Different Breast Cancer 3D Model Systems. Front Bioeng Biotechnol 2021; 9:711977. [PMID: 34869246 PMCID: PMC8632655 DOI: 10.3389/fbioe.2021.711977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 09/23/2021] [Indexed: 11/13/2022] Open
Abstract
The field of 3D cell cultures is currently emerging, and material development is essential in striving toward mimicking the microenvironment of a native tissue. By using the response of reporter cells to a 3D environment, a comparison between materials can be assessed, allowing optimization of material composition and microenvironment. Of particular interest, the response can be different in a normoxic and hypoxic culturing conditions, which in turn may alter the conclusion regarding a successful recreation of the microenvironment. This study aimed at determining the role of such environments to the conclusion of a better resembling cell culture model to native tissue. Here, the breast cancer cell line MCF7 was cultured in normoxic and hypoxic conditions on patient-derived scaffolds and compared at mRNA and protein levels to cells cultured on 3D printed scaffolds, Matrigel, and conventional 2D plastics. Specifically, a wide range of mRNA targets (40), identified as being regulated upon hypoxia and traditional markers for cell traits (cancer stem cells, epithelial-mesenchymal transition, pluripotency, proliferation, and differentiation), were used together with a selection of corresponding protein targets. 3D cultured cells were vastly different to 2D cultured cells in gene expression and protein levels on the majority of the selected targets in both normoxic and hypoxic culturing conditions. By comparing Matrigel and 3DPS-cultured cells to cells cultured on patient-derived scffolds, differences were also noted along all categories of mRNA targets while specifically for the GLUT3 protein. Overall, cells cultured on patient-derived scaffolds closely resembled cells cultured on 3D printed scaffolds, contrasting 2D and Matrigel-cultured cells, regardless of a normoxic or hypoxic culturing condition. Thus, these data support the use of either a normoxic or hypoxic culturing condition in assays using native tissues as a blueprint to optimize material composition.
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Affiliation(s)
- Andreas Svanström
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jennifer Rosendahl
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Borås, Sweden
| | - Simona Salerno
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Emma Jonasson
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Joakim Håkansson
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Borås, Sweden.,Department of Laboratory Medicine, Institute of Biomedicine, Gothenburg University, Gothenburg, Sweden
| | - Anders Ståhlberg
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden.,Department of Clinical Genetics and Genomics, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Göran Landberg
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Clinical Pathology, Sahlgrenska University Hospital, Gothenburg, Sweden
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6
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Abdelhafiz AS, Fouda MA, Elzefzafy NA, Taha II, Mohemmed OM, Alieldin NH, Toony I, Abdel Wahab AA, Farahat IG. Gene expression analysis of invasive breast carcinoma yields differential patterns in luminal subtypes of breast cancer. Ann Diagn Pathol 2021; 55:151814. [PMID: 34517157 DOI: 10.1016/j.anndiagpath.2021.151814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 08/29/2021] [Indexed: 11/26/2022]
Abstract
Breast cancer is a heterogeneous disease, and new biomarkers are needed for more accurate classification and prediction of prognosis. The goal of this study is to assess the expression of breast cancer classification genes, to identify new molecular signatures in different intrinsic subtypes of breast cancer and to correlate their expression with different clinical variables. The study included 84 female patients newly diagnosed with non-metastatic breast cancer at the outpatient clinic at the National Cancer Institute, Cairo University, Egypt. Detection of 17 breast cancer classification genes was done using RT-PCR in tumor and normal tissues. Estrogen receptor (ER), progesterone receptor (PR), HER2, and Ki67 expression were assessed using IHC assay for intrinsic subtyping. Combined expression of FOXA1 and GATA3 was statistically higher in luminal subtypes in comparison to non-luminal subtypes. In Luminal A subtype; GRB7, EGFR, PTGS2, ID1, and KRT5 were significantly downregulated. FOXA1 and GATA3 were significantly upregulated in luminal B subtype, where EGFR and PTGS2 were significantly downregulated. While ESR1, EGFR, KRT5 and PTGS2 showed significantly low expression in tumor tissue in Her2 enriched subtype, TFF3 was significantly downregulated in triple negative subtype. GATA3 and FOXA1 expression exhibited significant correlation with tumor grade. Furthermore, GATA3, FOXA1, ESR1, and ID1 were also correlated significantly with staging of the tumor. Combined expression of ESR1, FOXA1 and GATA3 represents a molecular signature of luminal subtypes. Long term follow-up is needed to investigate the prognostic effect of breast cancer classification genes found in this study.
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Affiliation(s)
- Ahmed Samir Abdelhafiz
- Department of Clinical Pathology, National Cancer Institute, Cairo University, Egypt; ENCI biobank, National Cancer Institute, Cairo University, Egypt.
| | - Merhan A Fouda
- Department of Clinical Pathology, National Cancer Institute, Cairo University, Egypt; ENCI biobank, National Cancer Institute, Cairo University, Egypt
| | - Nahla A Elzefzafy
- Department of Cancer Biology, National Cancer Institute, Cairo University, Egypt; ENCI biobank, National Cancer Institute, Cairo University, Egypt
| | - Iman I Taha
- ENCI biobank, National Cancer Institute, Cairo University, Egypt
| | - Omar M Mohemmed
- ENCI biobank, National Cancer Institute, Cairo University, Egypt
| | - Nelly H Alieldin
- Department of BioStatistics and Epidemiology, National Cancer Institute, Cairo University, Egypt
| | - Iman Toony
- Department of Medical Oncology, National Cancer Institute, Cairo University, Egypt
| | - Abdelhady Ali Abdel Wahab
- Department of Cancer Biology, National Cancer Institute, Cairo University, Egypt; ENCI biobank, National Cancer Institute, Cairo University, Egypt
| | - Iman Gouda Farahat
- Department of Pathology, National Cancer Institute, Cairo University, Egypt; ENCI biobank, National Cancer Institute, Cairo University, Egypt
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7
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Yeeravalli R, Das A. Molecular mediators of breast cancer metastasis. Hematol Oncol Stem Cell Ther 2021; 14:275-289. [PMID: 33744312 DOI: 10.1016/j.hemonc.2021.02.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 02/17/2021] [Accepted: 02/20/2021] [Indexed: 12/09/2022] Open
Abstract
Breast cancer has the highest incidence rate of malignancy in women worldwide. A major clinical challenge faced by patients with breast cancer treated by conventional therapies is frequent relapse. This relapse has been attributed to the cancer stem cell (CSC) population that resides within the tumor and possess stemness properties. Breast CSCs are generated when breast cancer cells undergo epithelial-mesenchymal transition resulting in aggressive, highly metastatic, and invasive phenotypes that exhibit resistance towards chemotherapeutics. Metastasis, a phenomenon that aids in the migration of breast CSCs, occurs through any of three different routes: hematogenous, lymphatic, and transcoelomic. Hematogenous dissemination of breast CSCs leads to metastasis towards distant unrelated organs like lungs, liver, bone, and brain causing secondary tumor generation. Activation of metastasis genes or silencing of metastasis suppressor genes often leads to the advancement of metastasis. This review focuses on various genes and molecular factors that have been implicated to regulate organ-specific breast cancer metastasis by defying the available therapeutic interventions.
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Affiliation(s)
- Ragini Yeeravalli
- Department of Applied Biology, Council of Scientific & Industrial Research-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, India; Academy of Scientific and Innovative Research, Ghaziabad, India
| | - Amitava Das
- Department of Applied Biology, Council of Scientific & Industrial Research-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, India; Academy of Scientific and Innovative Research, Ghaziabad, India.
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8
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Kadioglu O, Saeed MEM, Mahmoud N, Hussein Azawi SS, Rincic M, Liehr T, Efferth T. Identification of metastasis-related genes by genomic and transcriptomic studies in murine melanoma. Life Sci 2020; 267:118922. [PMID: 33358905 DOI: 10.1016/j.lfs.2020.118922] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 01/10/2023]
Abstract
AIMS We systematically characterized metastatic murine B16-F10 melanoma, a sub-line derived from murine melanoma B16-F1 cells. MATERIALS AND METHODS RNA-sequencing and network analyses (Ingenuity Pathway Analysis) were performed to identify novel potential metastasis mechanisms. Chromosomal aberrations were identified by multicolor fluorescence in situ hybridization (mFISH) using all 21 murine whole chromosome painting probes. KEY FINDINGS Numerous genes were overexpressed in B16-F10 cells, some of which have been already described as being metastasis-linked. Nr5a1/sf1, a known prognostic marker for adrenal tumors, was 177-fold upregulated in B16-F10 cells compared to B16-F1 cells. Hoxb8 was 75-fold upregulated, which was previously associated with gastric cancer progression and metastasis. Ptk7, which is linked with tumorigenesis and metastasis of esophageal squamous carcinoma, was 67-fold upregulated. B16-F10 cells acquired additional chromosomal aberrations compared to B16-F1 cells, including dic(4)(pter->qter:qter->pter), +dic(6;15), +der(10)t(10;?1;16). SIGNIFICANCE In addition to well-known metastatic genes, numerous novel genes and genomic aberrations were identified, which may serve as targets for treatment in the future. Transcriptomic and genetic analyses in B16-F10 cells unraveled a range of novel metastasis mechanisms, which may also have important implications for future treatment strategies.
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Affiliation(s)
- Onat Kadioglu
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Mohamed E M Saeed
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Nuha Mahmoud
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Shaymaa S Hussein Azawi
- Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Jena, Germany
| | - Martina Rincic
- Croatian Institute for Brain Research, School of Medicine University of Zagreb, Zagreb, Croatia
| | - Thomas Liehr
- Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, Jena, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany.
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9
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Wu Y, Yang Y, Gu H, Tao B, Zhang E, Wei J, Wang Z, Liu A, Sun R, Chen M, Fan Y, Mao R. Multi-omics analysis reveals the functional transcription and potential translation of enhancers. Int J Cancer 2020; 147:2210-2224. [PMID: 32573785 DOI: 10.1002/ijc.33132] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/22/2020] [Accepted: 05/19/2020] [Indexed: 12/23/2022]
Abstract
Enhancer can transcribe RNAs, however, most of them were neglected in traditional RNA-seq analysis workflow. Here, we developed a Pipeline for Enhancer Transcription (PET, http://fun-science.club/PET) for quantifying enhancer RNAs (eRNAs) from RNA-seq. By applying this pipeline on lung cancer samples and cell lines, we showed that the transcribed enhancers are enriched with histone marks and transcription factor motifs (JUNB, Hand1-Tcf3 and GATA4). By training a machine learning model, we demonstrate that enhancers can predict prognosis better than their nearby genes. Integrating the Hi-C, ChIP-seq and RNA-seq data, we observe that transcribed enhancers associate with cancer hallmarks or oncogenes, among which LcsMYC-1 (Lung cancer-specific MYC eRNA-1) potentially supports MYC expression. Surprisingly, a significant proportion of transcribed enhancers contain small protein-coding open reading frames (sORFs) and can be translated into microproteins. Our study provides a computational method for eRNA quantification and deepens our understandings of the DNA, RNA and protein nature of enhancers.
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Affiliation(s)
- Yingcheng Wu
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China.,Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Yang Yang
- Department of Thoracic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hongyan Gu
- Department of Respiratory Medicine, Nantong Sixth People's Hospital, Nantong, Jiangsu, China
| | - Baorui Tao
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Erhao Zhang
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Jinhuan Wei
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Zhou Wang
- School of Life Sciences, Nantong University, Nantong, Jiangsu, China
| | - Aifen Liu
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Rong Sun
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Miaomiao Chen
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Yihui Fan
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China.,Department of Pathogenic Biology, School of Medicine, Nantong University, Nantong, Jiangsu, China
| | - Renfang Mao
- Laboratory of Medical Science, School of Medicine, Nantong University, Nantong, Jiangsu, China.,Department of Pathophysiology, School of Medicine, Nantong University, Nantong, Jiangsu, China
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10
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Kanchan K, Iyer K, Yanek LR, Carcamo-Orive I, Taub MA, Malley C, Baldwin K, Becker LC, Broeckel U, Cheng L, Cowan C, D'Antonio M, Frazer KA, Quertermous T, Mostoslavsky G, Murphy G, Rabinovitch M, Rader DJ, Steinberg MH, Topol E, Yang W, Knowles JW, Jaquish CE, Ruczinski I, Mathias RA. Genomic integrity of human induced pluripotent stem cells across nine studies in the NHLBI NextGen program. Stem Cell Res 2020; 46:101803. [PMID: 32442913 PMCID: PMC7575060 DOI: 10.1016/j.scr.2020.101803] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 03/11/2020] [Accepted: 04/03/2020] [Indexed: 12/18/2022] Open
Abstract
Human induced pluripotent stem cell (hiPSC) lines have previously been generated through the NHLBI sponsored NextGen program at nine individual study sites. Here, we examined the structural integrity of 506 hiPSC lines as determined by copy number variations (CNVs). We observed that 149 hiPSC lines acquired 258 CNVs relative to donor DNA. We identified six recurrent regions of CNVs on chromosomes 1, 2, 3, 16 and 20 that overlapped with cancer associated genes. Furthermore, the genes mapping to regions of acquired CNVs show an enrichment in cancer related biological processes (IL6 production) and signaling cascades (JNK cascade & NFκB cascade). The genomic region of instability on chr20 (chr20q11.2) includes transcriptomic signatures for cancer associated genes such as ID1, BCL2L1, TPX2, PDRG1 and HCK. Of these HCK shows statistically significant differential expression between carrier and non-carrier hiPSC lines. Overall, while a low level of genomic instability was observed in the NextGen generated hiPSC lines, the observation of structural instability in regions with known cancer associated genes substantiates the importance of systematic evaluation of genetic variations in hiPSCs before using them as disease/research models.
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Affiliation(s)
- Kanika Kanchan
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Kruthika Iyer
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Lisa R Yanek
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Ivan Carcamo-Orive
- Department of Medicine, Cardiovascular Institute and Diabetes Research Center, Stanford University, School of Medicine, Stanford, CA, USA
| | - Margaret A Taub
- Department of Biostatistics, Bloomberg School of Public health, Johns Hopkins University, Baltimore, MD, USA
| | - Claire Malley
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Kristin Baldwin
- Department of Molecular and Cellular Neuroscience, Dorris Neuroscience Center, The Scripps Research Institute, La Jolla, CA, USA
| | - Lewis C Becker
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Ulrich Broeckel
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Linzhao Cheng
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Chad Cowan
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Matteo D'Antonio
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA
| | - Kelly A Frazer
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA
| | - Thomas Quertermous
- Department of Medicine, Cardiovascular Institute and Diabetes Research Center, Stanford University, School of Medicine, Stanford, CA, USA
| | - Gustavo Mostoslavsky
- The Center for Regenerative Medicine, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA
| | - George Murphy
- The Center for Regenerative Medicine, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA
| | - Marlene Rabinovitch
- Department of Medicine, Cardiovascular Institute and Diabetes Research Center, Stanford University, School of Medicine, Stanford, CA, USA
| | - Daniel J Rader
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Martin H Steinberg
- Department of Medicine, Section of Hematology-Oncology, Boston University School of Medicine, Boston, MA, USA
| | - Eric Topol
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Wenli Yang
- Penn Center for Pulmonary Biology and Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Joshua W Knowles
- Department of Medicine, Cardiovascular Institute and Diabetes Research Center, Stanford University, School of Medicine, Stanford, CA, USA
| | | | - Ingo Ruczinski
- Department of Biostatistics, Bloomberg School of Public health, Johns Hopkins University, Baltimore, MD, USA
| | - Rasika A Mathias
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
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11
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Melief J, Pico de Coaña Y, Maas R, Fennemann FL, Wolodarski M, Hansson J, Kiessling R. High expression of ID1 in monocytes is strongly associated with phenotypic and functional MDSC markers in advanced melanoma. Cancer Immunol Immunother 2020; 69:513-522. [PMID: 31953577 PMCID: PMC7113206 DOI: 10.1007/s00262-019-02476-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Accepted: 12/31/2019] [Indexed: 12/15/2022]
Abstract
The efficacy of immunotherapies for malignant melanoma is severely hampered by local and systemic immunosuppression mediated by myeloid-derived suppressor cells (MDSC). Inhibitor of differentiation 1 (ID1) is a transcriptional regulator that was shown to be centrally involved in the induction of immunosuppressive properties in myeloid cells in mice, while it was overexpressed in CD11b+ cells in the blood of late-stage melanoma patients. Therefore, we comprehensively assessed ID1 expression in PBMC from stage III and IV melanoma patients, and studied ID1 regulation in models for human monocyte differentiation towards monocyte-derived dendritic cells. A highly significant elevation of ID1 was observed in CD33+CD11b+CD14+HLA-DRlow monocytic MDSC in the blood of melanoma patients compared to their HLA-DRhigh counterparts, while expression of ID1 correlated positively with established MDSC markers S100A8/9 and iNOS. Moreover, expression of ID1 in monocytes significantly decreased in PBMC samples taken after surgical removal of melanoma metastases, compared to those taken before surgery. Finally, maturation of monocyte-derived DC coincided with a significant downregulation of ID1. Together, these data indicate that increased ID1 expression is strongly associated with expression of phenotypic and immunosuppressive markers of monocytic MDSC, while downregulation is associated with a more immunogenic myeloid phenotype. As such, ID1 may be an additional phenotypic marker for monocytic MDSC. Investigation of ID1 as a pharmacodynamic biomarker or its use as a target for modulating MDSC is warranted.
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Affiliation(s)
- Jeroen Melief
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden.
| | - Yago Pico de Coaña
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden
| | - Roeltje Maas
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden.,Department of Oncology, Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland
| | - Felix-Lennart Fennemann
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden.,Department of Tumor Immunology, Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Maria Wolodarski
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden.,Karolinska University Hospital Solna, Stockholm, Sweden
| | - Johan Hansson
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden
| | - Rolf Kiessling
- Department of Oncology-Pathology, Karolinska Institute, Visionsgatan 4, 171 64 Solna, Stockholm, Sweden
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12
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Zhao Z, Bo Z, Gong W, Guo Y. Inhibitor of Differentiation 1 (Id1) in Cancer and Cancer Therapy. Int J Med Sci 2020; 17:995-1005. [PMID: 32410828 PMCID: PMC7211148 DOI: 10.7150/ijms.42805] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/20/2020] [Indexed: 02/07/2023] Open
Abstract
The inhibitor of DNA binding (Id) proteins are regulators of cell cycle and cell differentiation. Of all Id family proteins, Id1 is mostly linked to tumorigenesis, cellular senescence as well as cell proliferation and survival. Id1 is a stem cell-like gene more than a classical oncogene. Id1 is overexpressed in numerous types of cancers and exerts its promotion effect to these tumors through different pathways. Briefly, Id1 was found significantly correlated with EMT-related proteins, K-Ras signaling, EGFR signaling, BMP signaling, PI3K/Akt signaling, WNT and SHH signaling, c-Myc signaling, STAT3 signaling, RK1/2 MAPK/Egr1 pathway and TGF-β pathway, etc. Id1 has potent effect on facilitating tumorous angiogenesis and metastasis. Moreover, high expression of Id1 plays a facilitating role in the development of drug resistance, including chemoresistance, radiation resistance and resistance to drugs targeting angiogenesis. However, controversial results were also obtained. Overall, Id1 represent a promising target of anti-tumor therapeutics based on its potent promotion effect to cancer. Numerous drugs were found exerting their anti-tumor function through Id1-related signaling pathways, such as fucoidan, berberine, tetramethylpyrazine, crizotinib, cannabidiol and vinblastine.
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Affiliation(s)
- Zhengxiao Zhao
- Department of Oncology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China
| | - Zhiyuan Bo
- The Second Department of Biliary Tract Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Shanghai 200438, China
| | - Weiyi Gong
- The Department of Integrative Medicine, Huashan Hospital, Fudan University, 12 Middle Urumqi Road, Shanghai 200040, PR China
| | - Yong Guo
- Department of Oncology, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, China
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13
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Stella GM, Kolling S, Benvenuti S, Bortolotto C. Lung-Seeking Metastases. Cancers (Basel) 2019; 11:E1010. [PMID: 31330946 PMCID: PMC6678078 DOI: 10.3390/cancers11071010] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/13/2019] [Accepted: 07/17/2019] [Indexed: 12/23/2022] Open
Abstract
Metastases from different cancer types most often affect the lung parenchyma. Moreover, the lungs are among the most frequent sites of growth of metastatic masses of uncertain/unknown lineage of origin. Thus, with regards to pulmonary neoplastic parenchymal nodules, the critical issue is to determine if they are IN the lung or OF the lung. In this review, we highlight the clinical, instrumental and molecular features which characterize lung metastases, mainly focusing on recently advancing and emerging concepts regarding the metastatic niche, inflammation, angiogenesis, immune modulation and gene expression. A novel issue is related to the analysis of biomechanical forces which cooperate in the expansion of tumor masses in the lungs. We here aim to analyze the biological, genetic and pathological features of metastatic lesions to the lungs, here referred to as site of metastatic growth. This point should be a crucial part of the algorithm for a proper diagnostic and therapeutic approach in the era of personalized medicine.
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Affiliation(s)
- Giulia M Stella
- Department of Medical Sciences and Infectious Diseases, Unit of Respiratory System Diseases, IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy.
| | | | - Silvia Benvenuti
- Department of Molecular Therapeutics and Exploratory Research, Candiolo Cancer Institute, FPO-IRCCS, 10060 Candiolo (TO), Italy
| | - Chandra Bortolotto
- Department of Intensive Medicine, Unit of Radiology, IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy
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14
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Abstract
Breast cancer is the most prevalent type of cancer amongst women worldwide. The mortality rate for patients with early-stage breast cancer has been decreasing, however, the 5-year survival rate for patients with metastatic disease remains poor, currently at 27%. Here, we have reviewed the current understanding of the role of bone morphogenetic protein (BMP) signaling in breast cancer progression, and have highlighted the discordant results that are reported in different studies. We propose that some of these contradictory outcomes may result from signaling through either the canonical or non-canonical pathways in different cell lines and tumors, or from different tumor-stromal interactions that occur in vivo.
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Affiliation(s)
- Lap Hing Chi
- a Metastasis Research Laboratory, Olivia Newton-John Cancer Research Institute , Heidelberg , Australia
- b School of Cancer Medicine, La Trobe University , Bundoora , Australia
| | - Allan D Burrows
- a Metastasis Research Laboratory, Olivia Newton-John Cancer Research Institute , Heidelberg , Australia
- b School of Cancer Medicine, La Trobe University , Bundoora , Australia
| | - Robin L Anderson
- a Metastasis Research Laboratory, Olivia Newton-John Cancer Research Institute , Heidelberg , Australia
- b School of Cancer Medicine, La Trobe University , Bundoora , Australia
- c Department of Clinical Pathology, The University of Melbourne , Parkville , VIC , Australia
- d Sir Peter MacCallum Department of Oncology, The University of Melbourne , Parkville , Australia
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15
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Ren J, Sui H, Fang F, Li Q, Li B. The application of Apc Min/+ mouse model in colorectal tumor researches. J Cancer Res Clin Oncol 2019; 145:1111-1122. [PMID: 30887153 DOI: 10.1007/s00432-019-02883-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 02/28/2019] [Indexed: 12/11/2022]
Abstract
PURPOSE ApcMin/+ mouse is an excellent animal model bearing multiple intestinal neoplasia, used to simulate human familial adenomatous polyposis and colorectal tumors. The key point of this model is the mutation of Apc gene, which is a significant tumor-suppressor gene in the Wnt signaling pathway. There are also some other possible mechanisms responsible for the development of colorectal tumors in the ApcMin/+ mouse model, such as tumor-associated signaling pathways activation, the changes of tumor-related genes, and the involvement of some related proteins or molecules. METHODS The relevant literatures about ApcMin/+ mouse model from PUBMED databases are reviewed in this study. RESULTS In recent years, increasing studies have focused on the application of ApcMin/+ mouse model in colorectal tumor, trying to find effective therapeutic targets for further use. CONCLUSION This article will give a brief review on the related molecular mechanisms of the ApcMin/+ mouse model and its application in colorectal tumor researches.
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Affiliation(s)
- Junze Ren
- Changhai Hospital of Traditional Chinese Medicine, Second Military Medical University, Shanghai, 200433, China
| | - Hua Sui
- Department of Medical Oncology, Cancer Institute of Integrative Medicine, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Fanfu Fang
- Changhai Hospital of Traditional Chinese Medicine, Second Military Medical University, Shanghai, 200433, China
| | - Qi Li
- Department of Medical Oncology, Cancer Institute of Integrative Medicine, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Bai Li
- Changhai Hospital of Traditional Chinese Medicine, Second Military Medical University, Shanghai, 200433, China.
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16
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Ke J, Wu R, Chen Y, Abba ML. Inhibitor of DNA binding proteins: implications in human cancer progression and metastasis. Am J Transl Res 2018; 10:3887-3910. [PMID: 30662638 PMCID: PMC6325517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 11/29/2018] [Indexed: 06/09/2023]
Abstract
Inhibitor of DNA binding (ID) proteins are a class of helix-loop-helix (HLH) transcription regulatory factors that act as dominant-negative antagonists of other basic HLH proteins through the formation of non-functional heterodimers. These proteins have been shown to play critical roles in a wide range of tumor-associated processes, including cell differentiation, cell cycle progression, migration and invasion, epithelial-mesenchymal transition, angiogenesis, stemness, chemoresistance, tumorigenesis, and metastasis. The aberrant expression of ID proteins has not only been detected in many types of human cancers, but is also associated with advanced tumor stages and poor clinical outcome. In this review, we provide an overview of the key biological functions of ID proteins including affiliated signaling pathways. We also describe the regulation of ID proteins in cancer progression and metastasis, and elaborate on expression profiles in cancer and the implications for prognosis. Lastly, we outline strategies for the therapeutic targeting of ID proteins as a promising and effective approach for anticancer therapy.
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Affiliation(s)
- Jing Ke
- Department of Liver Disease, The Fourth Affiliated Hospital of Anhui Medical UniversityHefei 230022, China
- Center for Biomedicine and Medical Technology Mannheim (CBTM), Medical Faculty Mannheim, University of HeidelbergMannheim 68167, Germany
| | - Ruolin Wu
- Department of Hepatopancreatobiliary Surgery and Organ Transplantation Center, Department of General Surgery, First Affiliated Hospital of Anhui Medical University218 Jixi Avenue, Hefei 230022, Anhui, China
- Center for Biomedicine and Medical Technology Mannheim (CBTM), Medical Faculty Mannheim, University of HeidelbergMannheim 68167, Germany
| | - Yong Chen
- Department of Medical Oncology, Subei People’s HospitalYangzhou, Jiangsu 225000, China
| | - Mohammed L Abba
- Department of Hematology and Oncology, University Hospital Mannheim, Medical Faculty Mannheim, University of HeidelbergMannheim, Germany
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17
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Zhou XL, Zeng D, Ye YH, Sun SM, Lu XF, Liang WQ, Chen CF, Lin HY. Prognostic values of the inhibitor of DNA‑binding family members in breast cancer. Oncol Rep 2018; 40:1897-1906. [PMID: 30066902 PMCID: PMC6111598 DOI: 10.3892/or.2018.6589] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 07/17/2018] [Indexed: 02/05/2023] Open
Abstract
The inhibitor of DNA‑binding (ID) proteins are dominant‑negative modulators of transcription factors with basic helix‑loop‑helix (bHLH) structures, which control a variety of genes in cell cycle regulation. An increasing volume of evidence has demonstrated that the deregulated expression of IDs in several types of malignancy, including breast carcinoma, has been proven to serve crucial regulatory functions in tumorigenesis and the development of breast cancer (BC). The present study evaluated the prognostic values of the ID family members by investigating a set of publicly accessible databases, including Oncomine, bc‑GenExMiner, Kaplan‑Meier plotter and the Human Protein Atlas. The results demonstrated that mRNA levels of distinct IDs exhibited diverse profiles between BC and normal counterparts. The mRNA expression level of ID2 was significantly higher in breast cancer than normal tissues, while the mRNA expression levels of ID1, ID3 and ID4 were significantly lower in breast cancer tissues than in normal tissues. Furthermore, higher mRNA expression levels of ID1 and ID4 were associated with subgroups with lower pathological grades and fewer lymph node metastases. Survival analysis revealed that elevated mRNA levels of ID1 and ID4 predicted an improved survival in all patients with BC. Increased ID1 mRNA levels were associated with higher relapse‑free survival rates in all patients with BC, particularly in those with ER positive and Luminal A subtype tumors. Increased ID4 mRNA expression predicted longer survival times in all patients with BC, particularly in those with hormone receptor‑positive tumors or those treated with endocrine therapy. These results indicated that IDs are essential prognostic indicators in BC. Future studies on the effect of IDs on the pathogenesis and development of BC are warranted.
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Affiliation(s)
- Xiao-Ling Zhou
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - De Zeng
- Department of Medical Oncology, The Cancer Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - Yan-Hong Ye
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - Shu-Ming Sun
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - Xiao-Feng Lu
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - Wei-Quan Liang
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - Chun-Fa Chen
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
| | - Hao-Yu Lin
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515000, P.R. China
- Correspondence to: Dr Hao-Yu Lin, Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Shantou University Medical College (SUMC), 57 Changping Road, Shantou, Guangdong 515000, P.R. China, E-mail:
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18
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Al-Thawadi H, Ghabreau L, Aboulkassim T, Yasmeen A, Vranic S, Batist G, Al Moustafa AE. Co-Incidence of Epstein-Barr Virus and High-Risk Human Papillomaviruses in Cervical Cancer of Syrian Women. Front Oncol 2018; 8:250. [PMID: 30035100 PMCID: PMC6043788 DOI: 10.3389/fonc.2018.00250] [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: 04/11/2018] [Accepted: 06/19/2018] [Indexed: 12/23/2022] Open
Abstract
Epstein-Barr virus (EBV) has been recently shown to be co-present with high-risk human papillomaviruses (HPVs) in human cervical cancer; thus, these oncoviruses play an important role in the initiation and/or progression of this cancer. Accordingly, our group has recently viewed the presence and genotyping distribution of high-risk HPVs in cervical cancer in Syrian women; our data pointed out that HPVs are present in 42/44 samples (95%). Herein, we aim to explore the co-prevalence of EBV and high-risk HPVs in 44 cervical cancer tissues from Syrian women using polymerase chain reaction, immunohistochemistry, and tissue microarray analyses. We found that EBV and high-risk HPVs are co-present in 15/44 (34%) of the samples. However, none of the samples was exclusively EBV-positive. Additionally, we report that the co-expression of LMP1 and E6 genes of EBV and high-risk HPVs, respectively, is associated with poorly differentiated squamous cell carcinomas phenotype; this is accompanied by a strong and diffuse overexpression of Id-1 (93% positivity), which is an important regulator of cell invasion and metastasis. These data imply that EBV and HPVs are co-present in cervical cancer samples in the Middle East area including Syria and their co-presence is associated with a more aggressive cancer phenotype. Future investigations are needed to elucidate the exact role of EBV and HPVs cooperation in cervical carcinogenesis.
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Affiliation(s)
| | - Lina Ghabreau
- Faculty of Medicine, Pathology Department, University of Aleppo, Aleppo, Syria.,Syrian Research Cancer Centre of the Syrian Society against Cancer, Aleppo, Syria
| | - Tahar Aboulkassim
- Segal Cancer Centre, Lady Davis Institute for Medical Research of the Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC, Canada
| | - Amber Yasmeen
- Segal Cancer Centre, Lady Davis Institute for Medical Research of the Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC, Canada
| | - Semir Vranic
- College of Medicine, Qatar University, Doha, Qatar
| | - Gerald Batist
- Segal Cancer Centre, Lady Davis Institute for Medical Research of the Sir Mortimer B. Davis-Jewish General Hospital, Montreal, QC, Canada.,Oncology Department, McGill University, Montreal, QC, Canada
| | - Ala-Eddin Al Moustafa
- College of Medicine, Qatar University, Doha, Qatar.,Syrian Research Cancer Centre of the Syrian Society against Cancer, Aleppo, Syria.,Oncology Department, McGill University, Montreal, QC, Canada.,College of Medicine and Biomedical Research Centre of Qatar University, Doha, Qatar
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19
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Aggarwal A, Feldman D, Feldman BJ. Identification of tumor-autonomous and indirect effects of vitamin D action that inhibit breast cancer growth and tumor progression. J Steroid Biochem Mol Biol 2018; 177:155-158. [PMID: 28710021 PMCID: PMC5764828 DOI: 10.1016/j.jsbmb.2017.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 06/29/2017] [Accepted: 07/03/2017] [Indexed: 12/19/2022]
Abstract
Several epidemiological studies have found that low vitamin D levels are associated with worse prognosis and poorer outcomes in patients with breast cancer (BCa), although some studies have failed to find this association. In addition, prior research has found that BCa patients with vitamin D deficiency have a more aggressive molecular phenotype and worse prognostic biomarkers. As vitamin D deficiency is common in patients diagnosed with BCa, elucidating the cause of the association between poor outcomes and vitamin D deficiency promises to have a significant impact on improving care for patients with BCa including enabling the development of novel therapeutic approaches. Here we review our recent findings in this area, including our data revealing that reduction of the expression of the vitamin D receptor (Vdr) within BCa cells accelerates primary tumor growth and enables the development of metastases, demonstrating a tumor autonomous effect of vitamin D signaling to suppress BCa metastases. We believe that these findings are likely relevant to humans as we discovered evidence that a mechanism of VDR regulation identified in our mouse models is conserved in human BCa. In particular, we identified a negative correlation between serum 25(OH)D concentration and the level of expression of the tumor progression factor ID1 in primary tumors from patients with breast cancer.
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Affiliation(s)
- Abhishek Aggarwal
- Department of Pediatrics, Stanford School of Medicine, Stanford University, CA 94305, United States
| | - David Feldman
- Department of Medicine, Stanford School of Medicine, Stanford University, CA 94305, United States; Stanford Cancer Institute, Stanford University, CA 94305, United States
| | - Brian J Feldman
- Department of Pediatrics, Stanford School of Medicine, Stanford University, CA 94305, United States; Stanford Cancer Institute, Stanford University, CA 94305, United States.
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20
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Li M, Peng F, Li G, Fu Y, Huang Y, Chen Z, Chen Y. Proteomic analysis of stromal proteins in different stages of colorectal cancer establishes Tenascin-C as a stromal biomarker for colorectal cancer metastasis. Oncotarget 2018; 7:37226-37237. [PMID: 27191989 PMCID: PMC5095071 DOI: 10.18632/oncotarget.9362] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 04/26/2016] [Indexed: 12/12/2022] Open
Abstract
Tumor microenvironment is crucial to tumor development and metastasis. Little is known about the roles of stromal proteins in colorectal carcinogenesis. In this study, we used a combination of laser capture microdissection (LCM), iTRAQ labeling and two-dimensional liquid chromatography-tandem mass spectrometry (2D LC-MS/MS) to compare stromal proteomes in different stages of colorectal cancer. A total of 1966 proteins were identified, and 222 proteins presenting a significant fold change were quantified in different stages. Differentially expressed proteins (DEPs) were subjected to cluster and pathway analyses. We confirmed the differential expression of Tenascin-C and S100A9 using immunohistochemical analysis, and found that the expression levels of S100A9 and Tenascin-C were correlated with TNM stages and metastasis. In addition, our results showed that Tenascin-C was abundantly secreted by the colon cancer cells with high metastatic potential, and highly expressed in lymph nodes with metastasis. Our studies not only shed light on the mechanism by which stromal proteins contributed to colorectal carcinogenesis, but also identified Tenascin-C as a potential stromal biomarker for colorectal cancer metastasis.
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Affiliation(s)
- Maoyu Li
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China
| | - Fang Peng
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China
| | - Guoqing Li
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China
| | - Yang Fu
- Molecular and Computational Biology Program, Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089, USA
| | - Ying Huang
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China.,Maternal and Child Health Hospital of Hunan Province, Changsha, 410008, Hunan Province, China
| | - Zhuchu Chen
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China.,Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, Guangdong, China
| | - Yongheng Chen
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China.,Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, Guangdong, China
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21
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Hu XM, Lin T, Huang XY, Gan RH, Zhao Y, Feng Y, Ding LC, Su BH, Zheng DL, Lu YG. ID1 contributes to cell growth invasion and migration in salivary adenoid cystic carcinoma. Mol Med Rep 2017; 16:8907-8915. [PMID: 29039489 PMCID: PMC5779972 DOI: 10.3892/mmr.2017.7744] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 09/01/2017] [Indexed: 12/28/2022] Open
Abstract
Previous studies have reported that inhibitor of DNA binding 1 (ID1) exerts an oncogenic role in a number of tumors. In the present study, the role of ID1 in the growth, invasion and migration of salivary adenoid cystic carcinoma (SACC) cells was investigated. ID1 expression in clinical SACC samples was compared with that in normal salivary tissues using immunohistochemical staining, and the correlation between ID1 expression and clinical pathological characteristics was then determined. Subsequently, ID1 was overexpressed or silenced to investigate the effects of ID1 expression on SACC cell proliferation, invasion and migration. In addition, the gene expression levels of known ID1 target genes, including S100A9, CDKN2A and matrix metalloproteinase 1 (MMP1) was measured using reverse transcription-quantitative polymerase chain reaction to elucidate the potential mechanisms of ID1 in SACC. The results of the present study indicated that the protein expression levels of ID1 were significantly increased in the SACC tissues compared with that in the normal salivary tissues (P<0.001), and a positive correlation between ID1 expression and tumor stage (P=0.001), tumor invasion (P=0.002) and metastasis (P=0.019) in SACC was observed. Knockdown of ID1 in SACC cells significantly inhibited cell growth, invasion and migration (all P<0.01), whereas overexpression of ID1 promoted cell proliferation, invasion and migration (all P<0.01). The gene expression level of MMP1 was significantly reduced following ID1 knockdown in SACC-83 cells when compared with negative controls (P<0.05), whereas S100A9 and CDKN2A expression levels were significantly upregulated (both P<0.05). The results suggest that ID1 may regulate the growth, invasion and migration of SACC cells, and that MMP1, S100A9 and CDKN2A may serve as target genes of ID1 and mediate the effects of ID1 in SACC cells. Therefore, ID1 may present a potential target gene for the treatment of patients with SACC to inhibit cancer cell growth and metastasis.
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Affiliation(s)
- Xiao-Meng Hu
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Ting Lin
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Xiao-Yu Huang
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Rui-Huan Gan
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Yong Zhao
- Department of Pathology, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Yan Feng
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Lin-Can Ding
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Bo-Hua Su
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
| | - Da-Li Zheng
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, P.R. China
| | - You-Guang Lu
- Department of Preventive Dentistry, The Affiliated Stomatological Hospital, Fujian Medical University, Fuzhou, Fujian 350002, P.R. China
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22
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Tang H, Zeng L, Wang J, Zhang X, Ruan Q, Wang J, Cui S, Yang D. Reversal of 5-fluorouracil resistance by EGCG is mediate by inactivation of TFAP2A/VEGF signaling pathway and down-regulation of MDR-1 and P-gp expression in gastric cancer. Oncotarget 2017; 8:82842-82853. [PMID: 29137307 PMCID: PMC5669933 DOI: 10.18632/oncotarget.20666] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 06/24/2017] [Indexed: 12/18/2022] Open
Abstract
The effect of 5-fluorouracil (5-FU) chemotherapy for gastric cancer (GC) is limited by drug-resistance. To conquer this drug-resistance, various treatments including combination therapy have been used, but the overall survival has not been improved yet. In our current study, 5-FU resistant GC cells, SGC7901/FU and MGC803/FU, were established by long term exposure to 5-FU, and the proliferation capability of these resistant cells was verified to be reduced. The drug related proteins, MDR1 and P-gp were up-regulated in resistant cells compared to the parental cells. We further found proliferation and tumor growth suppressed effects of epigallocatechin gallate (EGCG), which is the predominant polyphenolic catechin constituent in green tea, on both the 5-FU resistant cells and the SGC7901/FU xenograft. Furthermore, an interesting results showed that reversal of 5-FU resistance of GC cells by EGCG treatment in vivo and in vitro. In the molecular study, We also found that EGCG suppressed the expression of both MDR-1 and P-gp at mRNA and protein levels in vivo and in vitro. Western blot and ELISA assay revealed that EGCG was able to inhibit VEGF secretion and expression, and its up-stream signal regulator, transcription factor activator protein 2A (TFAP2A) was also down-regulated by EGCG, our results indicated that TFAP2A/VEGF axis is one of the critical pathway inhibited by EGCG for cell proliferation and 5-FU resistance. Taken together, our data suggested that EGCG inhibits GC growth and reverses 5-FU resistance of GC through inactivation of TFAP2A/VEGF pathway and down-regulation of MDR-1 and P-gp expression.
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Affiliation(s)
- Hongsheng Tang
- Department of Hepatobiliary Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong Province, China.,Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Lisi Zeng
- Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Jiahong Wang
- Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Xiangliang Zhang
- Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Qiang Ruan
- Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Jin Wang
- Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Shuzhong Cui
- Department of Abdominal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou 510095, Guangdong Province, China
| | - Dinghua Yang
- Department of Hepatobiliary Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong Province, China
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23
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Mei Y, Yang JP, Qian CN. For robust big data analyses: a collection of 150 important pro-metastatic genes. CHINESE JOURNAL OF CANCER 2017; 36:16. [PMID: 28109319 PMCID: PMC5251273 DOI: 10.1186/s40880-016-0178-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 11/03/2016] [Indexed: 02/08/2023]
Abstract
Metastasis is the greatest contributor to cancer-related death. In the era of precision medicine, it is essential to predict and to prevent the spread of cancer cells to significantly improve patient survival. Thanks to the application of a variety of high-throughput technologies, accumulating big data enables researchers and clinicians to identify aggressive tumors as well as patients with a high risk of cancer metastasis. However, there have been few large-scale gene collection studies to enable metastasis-related analyses. In the last several years, emerging efforts have identified pro-metastatic genes in a variety of cancers, providing us the ability to generate a pro-metastatic gene cluster for big data analyses. We carefully selected 285 genes with in vivo evidence of promoting metastasis reported in the literature. These genes have been investigated in different tumor types. We used two datasets downloaded from The Cancer Genome Atlas database, specifically, datasets of clear cell renal cell carcinoma and hepatocellular carcinoma, for validation tests, and excluded any genes for which elevated expression level correlated with longer overall survival in any of the datasets. Ultimately, 150 pro-metastatic genes remained in our analyses. We believe this collection of pro-metastatic genes will be helpful for big data analyses, and eventually will accelerate anti-metastasis research and clinical intervention.
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Affiliation(s)
- Yan Mei
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong, P. R. China
| | - Jun-Ping Yang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong, P. R. China
| | - Chao-Nan Qian
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong, P. R. China. .,Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong, P. R. China.
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24
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Wahdan-Alaswad R, Harrell JC, Fan Z, Edgerton SM, Liu B, Thor AD. Metformin attenuates transforming growth factor beta (TGF-β) mediated oncogenesis in mesenchymal stem-like/claudin-low triple negative breast cancer. Cell Cycle 2017; 15:1046-59. [PMID: 26919310 DOI: 10.1080/15384101.2016.1152432] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Mesenchymal stem-like/claudin-low (MSL/CL) breast cancers are highly aggressive, express low cell-cell adhesion cluster containing claudins (CLDN3/CLDN4/CLDN7) with enrichment of epithelial-to-mesenchymal transition (EMT), immunomodulatory, and transforming growth factor-β (TGF-β) genes. We examined the biological, molecular and prognostic impact of TGF-β upregulation and/or inhibition using in vivo and in vitro methods. Using publically available breast cancer gene expression databases, we show that upregulation and enrichment of a TGF-β gene signature is most frequent in MSL/CL breast cancers and is associated with a worse outcome. Using several MSL/CL breast cancer cell lines, we show that TGF-β elicits significant increases in cellular proliferation, migration, invasion, and motility, whereas these effects can be abrogated by a specific inhibitor against TGF-β receptor I and the anti-diabetic agent metformin, alone or in combination. Prior reports from our lab show that TNBC is exquisitely sensitive to metformin treatment. Mechanistically, metformin blocks endogenous activation of Smad2 and Smad3 and dampens TGF-β-mediated activation of Smad2, Smad3, and ID1 both at the transcriptional and translational level. We report the use of ID1 and ID3 as clinical surrogate markers, where high expression of these TGF-β target genes was correlated to poor prognosis in claudin-low patients. Given TGF-β's role in tumorigenesis and immunomodulation, blockade of this pathway using direct kinase inhibitors or more broadly acting inhibitors may dampen or abolish pro-carcinogenic and metastatic signaling in patients with MCL/CL TNBC. Metformin therapy (with or without other agents) may be a heretofore unrecognized approach to reduce the oncogenic activities associated with TGF-β mediated oncogenesis.
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Affiliation(s)
- Reema Wahdan-Alaswad
- a Department of Pathology , University of Colorado , Anschutz Medical Campus Mail Stop B216, 12631 East 17th Ave, Room 2215A, Aurora , CO , USA
| | - J Chuck Harrell
- b Department of Pathology , Virginia Commonwealth University , 1101 E Marshall St., PO Box 980662, Richmond VA , USA
| | - Zeying Fan
- a Department of Pathology , University of Colorado , Anschutz Medical Campus Mail Stop B216, 12631 East 17th Ave, Room 2215A, Aurora , CO , USA
| | - Susan M Edgerton
- a Department of Pathology , University of Colorado , Anschutz Medical Campus Mail Stop B216, 12631 East 17th Ave, Room 2215A, Aurora , CO , USA
| | - Bolin Liu
- a Department of Pathology , University of Colorado , Anschutz Medical Campus Mail Stop B216, 12631 East 17th Ave, Room 2215A, Aurora , CO , USA
| | - Ann D Thor
- a Department of Pathology , University of Colorado , Anschutz Medical Campus Mail Stop B216, 12631 East 17th Ave, Room 2215A, Aurora , CO , USA
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25
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Pyszniak M, Tabarkiewicz J, Łuszczki JJ. Endocannabinoid system as a regulator of tumor cell malignancy - biological pathways and clinical significance. Onco Targets Ther 2016; 9:4323-36. [PMID: 27486335 PMCID: PMC4958360 DOI: 10.2147/ott.s106944] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The endocannabinoid system (ECS) comprises cannabinoid receptors (CBs), endogenous cannabinoids, and enzymes responsible for their synthesis, transport, and degradation of (endo)cannabinoids. To date, two CBs, CB1 and CB2, have been characterized; however, orphan G-protein-coupled receptor GPR55 has been suggested to be the third putative CB. Several different types of cancer present abnormal expression of CBs, as well as other components of ECS, and this has been shown to correlate with the clinical outcome. Although most effects of (endo)cannabinoids are mediated through stimulation of classical CBs, they also interact with several molecules, either prosurvival or proapoptotic molecules. It should be noted that the mode of action of exogenous cannabinoids differs significantly from that of endocannabinoid and results from the studies on their activity both in vivo and in vitro could not be easily compared. This review highlights the main signaling pathways involved in the antitumor activity of cannabinoids and the influence of their activation on cancer cell biology. We also discuss changes in the expression pattern of the ECS in various cancer types that have an impact on disease progression and patient survival. A growing amount of experimental data imply possible exploitation of cannabinoids in cancer therapy.
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Affiliation(s)
- Maria Pyszniak
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine; Department of Immunology, Faculty of Medicine, University of Rzeszów, Rzeszów; Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warszawa
| | - Jacek Tabarkiewicz
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine; Department of Immunology, Faculty of Medicine, University of Rzeszów, Rzeszów
| | - Jarogniew J Łuszczki
- Department of Pathophysiology, Medical University of Lublin; Isobolographic Analysis Laboratory, Institute of Agricultural Medicine, Lublin, Poland
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26
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Shin DH, Park JH, Lee JY, Won HY, Jang KS, Min KW, Jang SH, Woo JK, Oh SH, Kong G. Overexpression of Id1 in transgenic mice promotes mammary basal stem cell activity and breast tumorigenesis. Oncotarget 2016; 6:17276-90. [PMID: 25938540 PMCID: PMC4627307 DOI: 10.18632/oncotarget.3640] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 04/06/2015] [Indexed: 11/25/2022] Open
Abstract
Inhibitor of differentiation/DNA binding (Id)1 is a crucial regulator of mammary development and breast cancer progression. However, its effect on stemness and tumorigenesis in mammary epithelial cells remains undefined. Herein, we demonstrate that Id1 induces mammary tumorigenesis by increasing normal and malignant mammary stem cell (MaSC) activities in transgenic mice. MaSC-enriched basal cell expansion and increased self-renewal and in vivo regenerative capacity of MaSCs are observed in the mammary glands of MMTV-Id1 transgenic mice. Furthermore, MMTV-Id1 mice develop ductal hyperplasia and mammary tumors with highly expressed basal markers. Id1 also increases breast cancer stem cell (CSC) population and activity in human breast cancer lines. Moreover, the effects of Id1 on normal and malignant stem cell activities are mediated by the Wnt/c-Myc pathway. Collectively, these findings provide in vivo genetic evidence of Id1 functions as an oncogene in breast cancer and indicate that Id1 regulates mammary basal stem cells by activating the Wnt/c-Myc pathway, thereby contributing to breast tumor development.
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Affiliation(s)
- Dong-Hui Shin
- Department of Pathology, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Ji-Hye Park
- Institute for Bioengineering and Biopharmaceutical Research (IBBR), Hanyang University, Seoul, Republic of Korea
| | - Jeong-Yeon Lee
- Institute for Bioengineering and Biopharmaceutical Research (IBBR), Hanyang University, Seoul, Republic of Korea
| | - Hee-Young Won
- Department of Pathology, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Ki-Seok Jang
- Department of Pathology, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Kyueng-Whan Min
- Department of Pathology, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Si-Hyong Jang
- Department of Pathology, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Jong-Kyu Woo
- College of Pharmacy, Gachon University, Incheon, Republic of Korea
| | - Seung Hyun Oh
- College of Pharmacy, Gachon University, Incheon, Republic of Korea
| | - Gu Kong
- Department of Pathology, College of Medicine, Hanyang University, Seoul, Republic of Korea.,Institute for Bioengineering and Biopharmaceutical Research (IBBR), Hanyang University, Seoul, Republic of Korea
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27
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Williams JD, Aggarwal A, Swami S, Krishnan AV, Ji L, Albertelli MA, Feldman BJ. Tumor Autonomous Effects of Vitamin D Deficiency Promote Breast Cancer Metastasis. Endocrinology 2016; 157:1341-7. [PMID: 26934299 PMCID: PMC4816742 DOI: 10.1210/en.2015-2036] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Patients with breast cancer (BCa) frequently have preexisting vitamin D deficiency (low serum 25-hydroxyvitamin D) when their cancer develops. A number of epidemiological studies show an inverse association between BCa risk and vitamin D status in humans, although some studies have failed to find an association. In addition, several studies have reported that BCa patients with vitamin D deficiency have a more aggressive molecular phenotype and worse prognostic indicators. However, it is unknown whether this association is mechanistically causative and, if so, whether it results from systemic or tumor autonomous effects of vitamin D signaling. We found that ablation of vitamin D receptor expression within BCa cells accelerates primary tumor growth and enables the development of metastases, demonstrating a tumor autonomous effect of vitamin D signaling to suppress BCa metastases. We show that vitamin D signaling inhibits the expression of the tumor progression gene Id1, and this pathway is abrogated in vitamin D deficiency in vivo in 2 murine models of BCa. These findings are relevant to humans, because we discovered that the mechanism of VDR regulation of Inhibitor of differentiation 1 (ID1) is conserved in human BCa cells, and there is a negative correlation between serum 25-hydroxyvitamin D levels and the level of ID1 in primary tumors from patients with BCa.
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Affiliation(s)
- Jasmaine D Williams
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
| | - Abhishek Aggarwal
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
| | - Srilatha Swami
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
| | - Aruna V Krishnan
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
| | - Lijuan Ji
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
| | - Megan A Albertelli
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
| | - Brian J Feldman
- Department of Pediatrics (J.D.W., A.A., A.V.K., L.J., B.J.F.), Stanford School of Medicine, Stanford, California 94305; Department of Medicine (S.S.), Stanford School of Medicine, Stanford, California 94305; Department of Comparative Medicine (M.A.A.), Stanford School of Medicine, Stanford, California 94305; and Stanford Cancer Institute (B.J.F.), Stanford School of Medicine, Stanford, California 94305
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28
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S100A9 and ORM1 serve as predictors of therapeutic response and prognostic factors in advanced extranodal NK/T cell lymphoma patients treated with pegaspargase/gemcitabine. Sci Rep 2016; 6:23695. [PMID: 27021626 PMCID: PMC4810364 DOI: 10.1038/srep23695] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 03/14/2016] [Indexed: 12/11/2022] Open
Abstract
Pegaspargase combined with gemcitabine have greatly improved the outcomes of advanced extranodal NK/T cell lymphoma (ENKL). However, patients frequently undergo recurrent disease due to chemoresistance, and few predictive parameters are available. The present study explored potential biomarkers to predict the therapeutic response of advanced ENKL treated with pegaspargase/gemcitabine and evaluate the prognostic significance. Through serum proteomic analysis, we identified 61 upregulated and 22 downregulated proteins in nonresponders compared with responders. We further validated that patients with unfavourable treatment outcomes displayed higher levels of S100A9 and ORM1 via enzyme-linked immunosorbent assay (ELISA). Moreover, the sensitivity and specificity for detecting refractory patients were 81.5% and 71.4% for S100A9 > 62.0 ng/ml, 85.2% and 77.1% for ORM1 > 1436 ug/ml, 100% and 57.1% for S100A9 combined with ORM1. Furthermore, in multivariate analysis elevated levels of S100A9 were associated with poor 2-year OS (40.2% vs. 76.6%, RR = 2.92, p = 0.005) and 2-year PFS (33.1% vs. 61.1%, RR = 2.61 p = 0.011). High ORM1 also predicted inferior 2-year OS (38.7% vs.76.1, RR = 2.46, p = 0.023) and 2-year PFS (18.4% vs. 73.2%, RR = 2.86, p = 0.009). Our results indicated that S100A9 and ORM1 could serve as reliable predictors of therapeutic response and independent prognostic factors of survival in advanced ENKL patients treated with pegaspargase/gemcitabine.
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29
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Gumireddy K, Li A, Kossenkov AV, Sakurai M, Yan J, Li Y, Xu H, Wang J, Zhang PJ, Zhang L, Showe LC, Nishikura K, Huang Q. The mRNA-edited form of GABRA3 suppresses GABRA3-mediated Akt activation and breast cancer metastasis. Nat Commun 2016; 7:10715. [PMID: 26869349 PMCID: PMC4754346 DOI: 10.1038/ncomms10715] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 01/12/2016] [Indexed: 12/19/2022] Open
Abstract
Metastasis is a critical event affecting breast cancer patient survival. To identify molecules contributing to the metastatic process, we analysed The Cancer Genome Atlas (TCGA) breast cancer data and identified 41 genes whose expression is inversely correlated with survival. Here we show that GABAA receptor alpha3 (Gabra3), normally exclusively expressed in adult brain, is also expressed in breast cancer, with high expression of Gabra3 being inversely correlated with breast cancer survival. We demonstrate that Gabra3 activates the AKT pathway to promote breast cancer cell migration, invasion and metastasis. Importantly, we find an A-to-I RNA-edited form of Gabra3 only in non-invasive breast cancers and show that edited Gabra3 suppresses breast cancer cell invasion and metastasis. A-to-I-edited Gabra3 has reduced cell surface expression and suppresses the activation of AKT required for cell migration and invasion. Our study demonstrates a significant role for mRNA-edited Gabra3 in breast cancer metastasis. GABRA3, a subunit of the GABA receptor, is often highly expressed in brain metastasis and breast cancers. Here, the authors demonstrated that GABRA3 activates AKT to promote breast cancer cell invasion and that the A-to-I edited form of GABRA3, specifically expressed in noninvasive breast cancers, can suppress the function of wild type GABRA3.
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Affiliation(s)
- Kiranmai Gumireddy
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
| | - Anping Li
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
| | - Andrew V Kossenkov
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
| | - Masayuki Sakurai
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
| | - Jinchun Yan
- University of Washington Medical Center, 1959 N.E. Pacific Street, Seattle, Washington 98195, USA.,Department of Radiation Oncology, Cancer Hospital of Fudan University, 270 Dong An Road, Shanghai 200032, China
| | - Yan Li
- Institute of Cancer Stem Cell, Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, No. 9 West Section Lvshun South Road, Dalian 116044, China
| | - Hua Xu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan 430030, China
| | - Jian Wang
- Department of Biliary-Pancreatic Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Paul J Zhang
- Department of Pathology and Laboratory Medicine, Hospital of The University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Lin Zhang
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Louise C Showe
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
| | - Kazuko Nishikura
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
| | - Qihong Huang
- Department of Tumor Microenvironment and Metastasis, The Wistar Institute, 3601 Spruce Street, Philadelphia, Pennsylvania 19104, USA
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30
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Krüppel-like factor 17, a novel tumor suppressor: its low expression is involved in cancer metastasis. Tumour Biol 2015; 37:1505-13. [PMID: 26662959 PMCID: PMC4842221 DOI: 10.1007/s13277-015-4588-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 12/03/2015] [Indexed: 12/18/2022] Open
Abstract
Krüppel-like factor (KLF) family is highly conserved zinc finger transcription factors that regulate cell proliferation, differentiation, apoptosis, and migration. KLF17 is a member of the KLF family. Recent studies have demonstrated that KLF17 low expression and inactivation are caused by microRNA, gene mutation, and loss of heterozygosity in human tumors, which participates in tumor progression. KLF17 low expression increases cancer metastatic viability; its mechanism is that low KLF17 mediates epithelial-mesenchymal transition (EMT) through regulating EMT-related genes expression; the reduced-KLF17 also increases cancer metastasis though upregulating inhibitor of DNA binding 1 (ID1). Additionally, mutant p53 proteins are capable of developing a complex with KLF17, which mediate the depletion of KLF17 inhibiting EMT gene transcription and increases cancer metastasis. KLF17 downregulation also mediates the activation of TGF-β pathway.
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31
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Lazic SE. Ranking, selecting, and prioritising genes with desirability functions. PeerJ 2015; 3:e1444. [PMID: 26644980 PMCID: PMC4671156 DOI: 10.7717/peerj.1444] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 11/05/2015] [Indexed: 11/20/2022] Open
Abstract
In functional genomics experiments, researchers often select genes to follow-up or validate from a long list of differentially expressed genes. Typically, sharp thresholds are used to bin genes into groups such as significant/non-significant or fold change above/below a cut-off value, and ad hoc criteria are also used such as favouring well-known genes. Binning, however, is inefficient and does not take the uncertainty of the measurements into account. Furthermore, p-values, fold-changes, and other outcomes are treated as equally important, and relevant genes may be overlooked with such an approach. Desirability functions are proposed as a way to integrate multiple selection criteria for ranking, selecting, and prioritising genes. These functions map any variable to a continuous 0–1 scale, where one is maximally desirable and zero is unacceptable. Multiple selection criteria are then combined to provide an overall desirability that is used to rank genes. In addition to p-values and fold-changes, further experimental results and information contained in databases can be easily included as criteria. The approach is demonstrated with a breast cancer microarray data set. The functions and an example data set can be found in the desiR package on CRAN (https://cran.r-project.org/web/packages/desiR/) and the development version is available on GitHub (https://github.com/stanlazic/desiR).
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Affiliation(s)
- Stanley E Lazic
- In Silico Lead Discovery, Novartis Institutes for Biomedical Research , Basel , Switzerland
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32
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S100A9 expressed in ER(-)PgR(-) breast cancers induces inflammatory cytokines and is associated with an impaired overall survival. Br J Cancer 2015; 113:1234-43. [PMID: 26448179 PMCID: PMC4647879 DOI: 10.1038/bjc.2015.346] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 08/03/2015] [Accepted: 09/04/2015] [Indexed: 12/30/2022] Open
Abstract
Background: Breast cancer is the most common cancer form among women today. Depending on hormone receptor status, breast cancers are divided into different subtypes with vastly varying prognosis. S100A9 is a calcium-binding protein that is associated with inflammation and expressed not only in myeloid cells but also in some tumours. The role for S100A9 in the malignant cells is not well characterised; however, previous studies have shown that the protein could have important immune-modulating properties. Methods: Using a human breast cancer cohort consisting of 144 tumour samples and in vitro analysis of human breast cancer cell lines, we investigated the expression and function of S100A9 in human breast cancer. Results: We show that S100A9 expression in breast cancer correlated with the ER−PgR− breast tumour subtype (P<0.001) and with Ki67 (P=0.024) and was expressed both in the malignant cells and in the tumour-infiltrating anti-inflammatory CD163+ myeloid cells (P<0.001). Stromal expression of S100A9 also correlated to nodal stage, tumour size and Her2 positivity. Within the ER−PgR− subgroup, all Her2+ and EGFR+ tumours expressed S100A9 in the cytoplasm. Both cytoplasmic staining in the malignant cells as well as stromal S100A9 expression in myeloid cells correlated with a decreased overall survival in breast cancer patients. Furthermore, rS100A9 homodimers induced expression of pro-inflammatory cytokines (IL-6, IL-8 and IL-1β) in a TLR4- and EGFR-dependent manner in human breast cancer cells in vitro. Conclusion: We suggest that S100A9 could be viewed as a novel therapeutic target for patients with ER−PgR− breast cancers.
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Zhang N, Subbaramaiah K, Yantiss RK, Zhou XK, Chin Y, Benezra R, Dannenberg AJ. Id1 Deficiency Protects against Tumor Formation in Apc(Min/+) Mice but Not in a Mouse Model of Colitis-Associated Colon Cancer. Cancer Prev Res (Phila) 2015; 8:303-11. [PMID: 25623217 PMCID: PMC4832599 DOI: 10.1158/1940-6207.capr-14-0411] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 01/19/2015] [Indexed: 01/12/2023]
Abstract
Different mechanisms contribute to the development of sporadic, hereditary and colitis-associated colorectal cancer. Inhibitor of DNA binding/differentiation (Id) proteins act as dominant-negative antagonists of basic helix-loop-helix transcription factors. Id1 is a promising target for cancer therapy, but little is known about its role in the development of colon cancer. We used immunohistochemistry to demonstrate that Id1 is overexpressed in human colorectal adenomas and carcinomas, whether sporadic or syndromic. Furthermore, elevated Id1 levels were found in dysplasia and colon cancer arising in patients with inflammatory bowel disease. Because levels of PGE2 are also elevated in both colitis and colorectal neoplasia, we determined whether PGE2 could induce Id1. PGE2 via EP4 stimulated protein kinase A activity resulting in enhanced pCREB-mediated Id1 transcription in human colonocytes. To determine the role of Id1 in carcinogenesis, two mouse models were used. Consistent with the findings in humans, Id1 was overexpressed in tumors arising in both Apc(Min) (/+) mice, a model of familial adenomatous polyposis, and in experimental colitis-associated colorectal neoplasia. Id1 deficiency led to significant decrease in the number of intestinal tumors in Apc(Min) (/+) mice and prolonged survival. In contrast, Id1 deficiency did not affect the number or size of tumors in the model of colitis-associated colorectal neoplasia, likely due to exacerbation of colitis associated with Id1 loss. Collectively, these results suggest that Id1 plays a role in gastrointestinal carcinogenesis. Our findings also highlight the need for different strategies to reduce the risk of colitis-associated colorectal cancer compared with sporadic or hereditary colorectal cancer.
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Affiliation(s)
- Ning Zhang
- Department of Medicine, Weill Cornell Medical College, New York, New York. Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kotha Subbaramaiah
- Department of Medicine, Weill Cornell Medical College, New York, New York
| | - Rhonda K Yantiss
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, New York
| | - Xi Kathy Zhou
- Department of Healthcare Policy and Research, Weill Cornell Medical College, New York, New York
| | - Yvette Chin
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Robert Benezra
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, New York.
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