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Wu X, Zhao X, Zhou C, Wei N, Xu Z, Zhang X. Prognostic and onco-immunological value of immune-related eRNAs-driven genes in lung adenocarcinoma. J Cancer Res Clin Oncol 2024; 150:188. [PMID: 38602568 PMCID: PMC11008071 DOI: 10.1007/s00432-024-05687-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 03/05/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND We aimed to comprehensively analyze the clinical value of immune-related eRNAs-driven genes in lung adenocarcinoma (LUAD) and find the potential biomarkers for prognosis and therapeutic response to improve the survival of this malignant disease. MATERIALS AND METHODS Pearson's correlation analysis was performed to identify the immune-related eRNAs-driven genes. Cox regression and least absolute shrinkage and selection operator (LASSO) analyses were used to construct this prognostic risk signature. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses were used to investigate the underlying molecular mechanism. The single sample gene set enrichment analysis (ssGSEA) algorithm was conducted to evaluate the immune status based on the signature. The quantitative real-time PCR (qRT-PCR) analysis was performed to evaluate the expression value of the signature genes between LUAD tissues and adjacent lung tissues. RESULTS Five immune-related eRNAs-driven genes (SHC1, GDF10, CCL14, FYN, and NOD1) were identified to construct a prognostic risk signature with favorable predictive capacity. The patients with high-risk scores based on the signature were significantly associated with the malignant clinical features compared with those with low-risk scores. Kaplan-Meier analysis demonstrated that the sample in the low-risk group had a prolonged survival compared with those in the high-risk group. This risk signature was validated to have a promising predictive capacity and reliability in diverse clinical situations and independent cohorts. The functional enrichment analysis demonstrated that humoral immune response and intestinal immune network for IgA production pathway might be the underlying molecular mechanism related to the signature. The proportion of the vast majority of immune infiltrating cells in the high-risk group was significantly lower than that in the low-risk group, and the immunotherapy response rate in the low-risk group was significantly higher than that in the high-risk group. Moreover, BI-2536, sepantronium bromide, and ULK1 were the potential drugs for the treatment of patients with higher risk scores. Finally, the experiment in vivo and database analysis indicated that CCL14, FYN, NOD1, and GDF10 are the potential LUAD suppressor and SHC1 is a potential treatment target for LUAD. CONCLUSION Above all, we constructed a prognostic risk signature with favorable predictive capacity in LUAD, which was significantly associated with malignant features, immunosuppressive tumor microenvironment, and immunotherapy response and may provide clinical benefit in clinical decisions.
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Affiliation(s)
- Xuan Wu
- Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Weiwu Road No.7, Zhengzhou, 450003, Henan, China
| | - Xingru Zhao
- Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Weiwu Road No.7, Zhengzhou, 450003, Henan, China
| | - Chao Zhou
- Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Weiwu Road No.7, Zhengzhou, 450003, Henan, China
| | - Nan Wei
- Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Weiwu Road No.7, Zhengzhou, 450003, Henan, China
| | - Zhiwei Xu
- Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Weiwu Road No.7, Zhengzhou, 450003, Henan, China
| | - Xiaoju Zhang
- Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Weiwu Road No.7, Zhengzhou, 450003, Henan, China.
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Lv ZB, Zhang JJ, Xiang C. GDF10 and IDO1 as a thyroid cancer prognostic biomarker associated with immune infiltration. Heliyon 2024; 10:e27651. [PMID: 38509876 PMCID: PMC10950683 DOI: 10.1016/j.heliyon.2024.e27651] [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: 05/22/2023] [Revised: 03/04/2024] [Accepted: 03/05/2024] [Indexed: 03/22/2024] Open
Abstract
Objection The aim of this work is to screen the immune-related genes to predict the prognosis and provide a new direction of treatment for patients with thyroid cancer (THCA). Methods The mRNA and clinical features of THCA patients were collected from the Cancer Genome Atlas (TCGA) databases. The immune-related genes were obtained from the ImmPort databases. The bio-information methods were performed to screen the differential expression genes (DEGs) and genes related to immunity between the THCA patients and normal individuals. On this basis, the hub prognosis immunity genes were screened by Veen. The related genes were obtained by constructing the protein-protein interaction network. The enrichment analyses were performed based on the protein and protein interaction (PPI) related genes. The hub immune checkpoint was screened by correlation analysis. Finally, the hub gene and the immunity checkpoint-miRNA (or transcription factor, drug) interaction network were constructed. A drug-sensitive analysis also was performed. Results The GDF10 was screened. The PPI genes were enriched in the TGF-beta signaling pathway, signaling pathways regulating, the pluripotency of stem cells, Cytokine-cytokine receptor interaction, and so on. The hub immunity checkpoint IDO1 was obtained. The joint indicator of two hub genes was positively related to the thyroid differentiation score. Three interaction factors were found to be related to the two hub genes, and 7 kinds of drugs screened act on the two hub genes at the same time. Conclusion This work indicated that immune-related gene GDF10 and immune checkpoint IDO1 are important for the prognosis prediction of THCA patients, and immunity is involved in the proliferation, and differentiation of tumor cells.
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Affiliation(s)
- Zhao-bao Lv
- Breast and Thyroid Surgery, The Second Hospital of Liaocheng, Lingqing, 252600, Shandong, China
| | - Jun-jing Zhang
- Breast and Thyroid Surgery, The Second Hospital of Liaocheng, Lingqing, 252600, Shandong, China
| | - Cheng Xiang
- Thyroid Surgery, The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang, China
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Kanwal M, Smahelova J, Ciharova B, Johari SD, Nunvar J, Olsen M, Smahel M. Aspartate β-hydroxylase Regulates Expression of Ly6 Genes. J Cancer 2024; 15:1138-1152. [PMID: 38356711 PMCID: PMC10861829 DOI: 10.7150/jca.90422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/13/2023] [Indexed: 02/16/2024] Open
Abstract
Background: Overexpression of aspartate β-hydroxylase (ASPH) in human tumors contributes to their progression by stimulating cell proliferation, migration, and invasion. Several signaling pathways affected by ASPH have been identified, but the high number of potential targets of ASPH hydroxylation suggests that additional mechanisms may be involved. This study was performed to reveal new targets of ASPH signaling. Methods: The effect of ASPH on the oncogenicity of three mouse tumor cell lines was tested using proliferation assays, transwell assays, and spheroid invasion assays after inhibition of ASPH with the small molecule inhibitor MO-I-1151. ASPH was also deactivated with the CRISPR/Cas9 system. A transcriptomic analysis was then performed with bulk RNA sequencing and differential gene expression was evaluated. Expression data were verified by quantitative PCR and immunoblotting. Results: Inhibition or abrogation of ASPH reduced proliferation of the cell lines and their migration and invasiveness. Among the genes with differential expression in more than one cell line, two members of the lymphocyte antigen 6 (Ly6) family, Ly6a and Ly6c1, were found. Their downregulation was confirmed at the protein level by immunoblotting, which also showed their reduction after ASPH inhibition in other mouse cell lines. Reduced production of the Ly6D and Ly6K proteins was shown after ASPH inhibition in human tumor cell lines. Conclusions: Since increased expression of Ly6 genes is associated with the development and progression of both mouse and human tumors, these results suggest a novel mechanism of ASPH oncogenicity and support the utility of ASPH as a target for cancer therapy.
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Affiliation(s)
- Madiha Kanwal
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
| | - Jana Smahelova
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
| | - Barbora Ciharova
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
| | - Shweta Dilip Johari
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
| | - Jaroslav Nunvar
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
| | - Mark Olsen
- Department of Pharmaceutical Sciences, College of Pharmacy - Glendale, Midwestern University, Glendale, AZ, USA
| | - Michal Smahel
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, Vestec, Czech Republic
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4
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de Langen P, Hammal F, Guéret E, Mouren JC, Spinelli L, Ballester B. Characterizing intergenic transcription at RNA polymerase II binding sites in normal and cancer tissues. CELL GENOMICS 2023; 3:100411. [PMID: 37868033 PMCID: PMC10589727 DOI: 10.1016/j.xgen.2023.100411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/29/2023] [Accepted: 09/04/2023] [Indexed: 10/24/2023]
Abstract
Intergenic transcription in normal and cancerous tissues is pervasive but incompletely understood. To investigate this, we constructed an atlas of over 180,000 consensus RNA polymerase II (RNAPII)-bound intergenic regions from 900 RNAPII chromatin immunoprecipitation sequencing (ChIP-seq) experiments in normal and cancer samples. Through unsupervised analysis, we identified 51 RNAPII consensus clusters, many of which mapped to specific biotypes and revealed tissue-specific regulatory signatures. We developed a meta-clustering methodology to integrate our RNAPII atlas with active transcription across 28,797 RNA sequencing (RNA-seq) samples from The Cancer Genome Atlas (TCGA), Genotype-Tissue Expression (GTEx), and Encyclopedia of DNA Elements (ENCODE). This analysis revealed strong tissue- and disease-specific interconnections between RNAPII occupancy and transcriptional activity. We demonstrate that intergenic transcription at RNAPII-bound regions is a novel per-cancer and pan-cancer biomarker. This biomarker displays genomic and clinically relevant characteristics, distinguishing cancer subtypes and linking to overall survival. Our results demonstrate the effectiveness of coherent data integration to uncover intergenic transcriptional activity in normal and cancer tissues.
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Affiliation(s)
| | | | - Elise Guéret
- Aix Marseille Univ, INSERM, TAGC, Marseille, France
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5
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Andrys-Olek J, Selvanesan BC, Varghese S, Arriaza RH, Tiwari PB, Chruszcz M, Borowski T, Upadhyay G. Experimental and Computational Studies Reveal Novel Interaction of Lymphocytes Antigen 6K to TGF-β Receptor Complex. Int J Mol Sci 2023; 24:12779. [PMID: 37628960 PMCID: PMC10454365 DOI: 10.3390/ijms241612779] [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: 07/21/2023] [Revised: 08/09/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
TGF-β signaling promotes migration, invasion, and distant colonization of cancer cells in advanced metastatic cancers. TGF-β signaling suppresses the anti-tumor immune response in a tumor microenvironment, allowing sustained tumor growth. TGF-β plays an important role in normal physiology; thus it is no surprise that the clinical development of effective and safe TGF-β inhibitors has been hampered due to their high toxicity. We discovered that increased expression of LY6K in cancer cells led to increased TGF-β signaling and that inhibition of LY6K could lead to reduced TGF-β signaling and reduced in vivo tumor growth. LY6K is a highly cancer-specific protein, and it is not expressed in normal organs except in the testes. Thus, LY6K is a valid target for developing therapeutic strategies to inhibit TGF-β signaling in cancer cells. We employed in vitro pull-down assays and molecular dynamics simulations to understand the structural determinants of the TGF-β receptor complex with LY6K. This combined approach allowed us to identify the critical residues and dynamics of the LY6K interaction with the TGF-β receptor complex. These data are critical in designing novel drugs for the inhibition of TGF-β in LY6K expressing cancer, induction of anti-tumor immune response, and inhibition of tumor growth and metastatic spread.
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Affiliation(s)
- Justyna Andrys-Olek
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Cracow, Poland
| | - Benson Chellakkan Selvanesan
- Department of Pathology, Uniformed Services University of the Health Sciences, Bethesda, MD 20824, USA
- Henry M. Jackson Foundation, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Sheelu Varghese
- Department of Pathology, Uniformed Services University of the Health Sciences, Bethesda, MD 20824, USA
- Henry M. Jackson Foundation, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Ricardo Hernandez Arriaza
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48825, USA
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | | | - Maksymilian Chruszcz
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48825, USA
| | - Tomasz Borowski
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Cracow, Poland
| | - Geeta Upadhyay
- Department of Pathology, Uniformed Services University of the Health Sciences, Bethesda, MD 20824, USA
- John P. Murtha Cancer Center, Bethesda, MD 20814, USA
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6
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Hu Y, Cai Z, He B. Smooth Muscle Heterogeneity and Plasticity in Health and Aortic Aneurysmal Disease. Int J Mol Sci 2023; 24:11701. [PMID: 37511460 PMCID: PMC10380637 DOI: 10.3390/ijms241411701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Vascular smooth muscle cells (VSMCs) are the predominant cell type in the medial layer of the aorta, which plays a critical role in the maintenance of aortic wall integrity. VSMCs have been suggested to have contractile and synthetic phenotypes and undergo phenotypic switching to contribute to the deteriorating aortic wall structure. Recently, the unprecedented heterogeneity and diversity of VSMCs and their complex relationship to aortic aneurysms (AAs) have been revealed by high-resolution research methods, such as lineage tracing and single-cell RNA sequencing. The aortic wall consists of VSMCs from different embryonic origins that respond unevenly to genetic defects that directly or indirectly regulate VSMC contractile phenotype. This difference predisposes to hereditary AAs in the aortic root and ascending aorta. Several VSMC phenotypes with different functions, for example, secreting VSMCs, proliferative VSMCs, mesenchymal stem cell-like VSMCs, immune-related VSMCs, proinflammatory VSMCs, senescent VSMCs, and stressed VSMCs are identified in non-hereditary AAs. The transformation of VSMCs into different phenotypes is an adaptive response to deleterious stimuli but can also trigger pathological remodeling that exacerbates the pathogenesis and development of AAs. This review is intended to contribute to the understanding of VSMC diversity in health and aneurysmal diseases. Papers that give an update on VSMC phenotype diversity in health and aneurysmal disease are summarized and recent insights on the role of VSMCs in AAs are discussed.
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Affiliation(s)
- Yunwen Hu
- Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Zhaohua Cai
- Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Ben He
- Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
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7
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Norris AM, Appu AB, Johnson CD, Zhou LY, McKellar DW, Renault MA, Hammers D, Cosgrove BD, Kopinke D. Hedgehog signaling via its ligand DHH acts as cell fate determinant during skeletal muscle regeneration. Nat Commun 2023; 14:3766. [PMID: 37355632 PMCID: PMC10290686 DOI: 10.1038/s41467-023-39506-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 06/16/2023] [Indexed: 06/26/2023] Open
Abstract
Successful muscle regeneration relies on the interplay of multiple cell populations. However, the signals required for this coordinated intercellular crosstalk remain largely unknown. Here, we describe how the Hedgehog (Hh) signaling pathway controls the fate of fibro/adipogenic progenitors (FAPs), the cellular origin of intramuscular fat (IMAT) and fibrotic scar tissue. Using conditional mutagenesis and pharmacological Hh modulators in vivo and in vitro, we identify DHH as the key ligand that acts as a potent adipogenic brake by preventing the adipogenic differentiation of FAPs. Hh signaling also impacts muscle regeneration, albeit indirectly through induction of myogenic factors in FAPs. Our results also indicate that ectopic and sustained Hh activation forces FAPs to adopt a fibrogenic fate resulting in widespread fibrosis. In this work, we reveal crucial post-developmental functions of Hh signaling in balancing tissue regeneration and fatty fibrosis. Moreover, they provide the exciting possibility that mis-regulation of the Hh pathway with age and disease could be a major driver of pathological IMAT formation.
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Affiliation(s)
- Alessandra M Norris
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Ambili Bai Appu
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Connor D Johnson
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Lylybell Y Zhou
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - David W McKellar
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Marie-Ange Renault
- Biology of Cardiovascular Diseases, INSERM, University of Bordeaux, Pessac, France
| | - David Hammers
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Benjamin D Cosgrove
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Daniel Kopinke
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA.
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8
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Liu D, Xu C, Liu Y, Ouyang W, Lin S, Xu A, Zhang Y, Xie Y, Huang Q, Zhao W, Chen Z, Wang L, Chen S, Huang J, Wu ZB, Sun X. A systematic survey of LU domain-containing proteins reveals a novel human gene, LY6A, which encodes the candidate ortholog of mouse Ly-6A/Sca-1 and is aberrantly expressed in pituitary tumors. Front Med 2023; 17:458-475. [PMID: 36928550 DOI: 10.1007/s11684-022-0968-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 10/12/2022] [Indexed: 03/18/2023]
Abstract
The Ly-6 and uPAR (LU) domain-containing proteins represent a large family of cell-surface markers. In particular, mouse Ly-6A/Sca-1 is a widely used marker for various stem cells; however, its human ortholog is missing. In this study, based on a systematic survey and comparative genomic study of mouse and human LU domain-containing proteins, we identified a previously unannotated human gene encoding the candidate ortholog of mouse Ly-6A/Sca-1. This gene, hereby named LY6A, reversely overlaps with a lncRNA gene in the majority of exonic sequences. We found that LY6A is aberrantly expressed in pituitary tumors, but not in normal pituitary tissues, and may contribute to tumorigenesis. Similar to mouse Ly-6A/Sca-1, human LY6A is also upregulated by interferon, suggesting a conserved transcriptional regulatory mechanism between humans and mice. We cloned the full-length LY6A cDNA, whose encoded protein sequence, domain architecture, and exon-intron structures are all well conserved with mouse Ly-6A/Sca-1. Ectopic expression of the LY6A protein in cells demonstrates that it acts the same as mouse Ly-6A/Sca-1 in their processing and glycosylphosphatidylinositol anchoring to the cell membrane. Collectively, these studies unveil a novel human gene encoding a candidate biomarker and provide an interesting model gene for studying gene regulatory and evolutionary mechanisms.
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Affiliation(s)
- Dan Liu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
- Key Laboratory of Systems Biomedicine, Ministry of Education, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Chunhui Xu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yanting Liu
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wen Ouyang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Shaojian Lin
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Aining Xu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yuanliang Zhang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yinyin Xie
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qiuhua Huang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Weili Zhao
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Zhu Chen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Lan Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Saijuan Chen
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Jinyan Huang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Biomedical Big Data Center, First Affiliated Hospital, Zhejiang University School of Medicine, and Cancer Center, Zhejiang University, Hangzhou, 310000, China.
| | - Zhe Bao Wu
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Department of Neurosurgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Xiaojian Sun
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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Sokolov D, Gorshkova A, Markova K, Milyutina Y, Pyatygina K, Zementova M, Korenevsky A, Mikhailova V, Selkov S. Natural Killer Cell Derived Microvesicles Affect the Function of Trophoblast Cells. MEMBRANES 2023; 13:213. [PMID: 36837716 PMCID: PMC9963951 DOI: 10.3390/membranes13020213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
The interaction of natural killer (NK) and trophoblast cells underlies the formation of immune tolerance in the mother-fetus system and the maintenance of the physiological course of pregnancy. In addition, NK cells affect the function of trophoblast cells, interacting with them via the receptor apparatus and through the production of cytokines. Microvesicles (MVs) derived from NK cells are able to change the function of target cells. However, in the overall pattern of interactions between NK cells and trophoblasts, the possibility that both can transmit signals to each other via MVs has not been taken into account. Therefore, the aim of this study was to assess the effect of NK cell-derived MVs on the phenotype, proliferation, and migration of trophoblast cells and their expression of intracellular messengers. We carried out assays for the detection of content transferred from MV to trophoblasts. We found that NK cell-derived MVs did not affect the expression of CD54, CD105, CD126, CD130, CD181, CD119, and CD120a receptors in trophoblast cells or lead to the appearance of CD45 and CD56 receptors in the trophoblast membrane. Further, the MVs reduced the proliferation but increased the migration of trophoblasts with no changes to their viability. Incubation of trophoblast cells in the presence of MVs resulted in the activation of STAT3 via pSTAT3(Ser727) but not via pSTAT3(Tyr705). The treatment of trophoblasts with MVs did not result in the phosphorylation of STAT1 and ERK1/2. The obtained data indicate that NK cell-derived MVs influence the function of trophoblast cells, which is accompanied by the activation of STAT3 signaling.
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Patel AG, Moxham S, Bamezai AK. Ly-6A-Induced Growth Inhibition and Cell Death in a Transformed CD4 + T Cell Line: Role of Tumor Necrosis Factor-α. Arch Immunol Ther Exp (Warsz) 2023; 71:4. [PMID: 36725744 DOI: 10.1007/s00005-023-00670-3] [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: 05/20/2022] [Accepted: 10/21/2022] [Indexed: 02/03/2023]
Abstract
Ly-6A, a member of the Ly-6/uPAR supergene family of proteins, is a cell adhesion and cell signaling protein. Signaling through Ly-6A activates the cell-intrinsic apoptotic cell death pathway in CD4+ T cell lines, as indicated by the release of cytochrome C, and activation of caspases 9 and 3. In addition, Ly-6A induces cytokine production and growth inhibition. The mechanism underlying the distinct cellular responses that are triggered by engaging Ly-6A protein has remained unknown. To examine the relatedness of these distinct responses, we have quantified the production of pro-apoptotic, growth inhibitory and tumor suppressive cytokines, such as TNF-α, TGF-β and a related protein GDF-10, in response to Ly-6A signaling. Anti-Ly-6A monoclonal antibody-induced activation of YH16.33 CD4+ T cell line generated low levels of TGF-β and GDF-10 but elevated levels of TNF-α. Blocking the biological activity of TNF-α resulted in reduced Ly-6A-induced apoptosis in T cells. The Ly-6A-induced response in the T cell line was distinct, as signaling through the antigen receptor complex did not cause growth inhibition and apoptosis despite high levels of TGF-β and GDF-10 that were detected in these cultures. Additionally, in response to antigen receptor complex signaling, lower amount of TNF-α was detected. These results indicate the contribution of TNF-α in the observed Ly-6A-induced growth inhibition and apoptosis and provide a mechanistic explanation for the biologically distinct responses observed in CD4+ T cells after engaging Ly-6A protein. Additionally, the findings reported here will aid in the understanding of inhibitory signaling initiated by Ly-6A protein, especially in the context of its potential immune checkpoint inhibitory role in T cells.
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Affiliation(s)
- Akshay G Patel
- Department of Biology, Villanova University, Villanova, PA, 19085, USA
| | - Sarah Moxham
- Department of Biology, Villanova University, Villanova, PA, 19085, USA
| | - Anil K Bamezai
- Department of Biology, Villanova University, Villanova, PA, 19085, USA.
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11
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Yuan H, Jin L, Xiang H, Bhattacharya A, Brandish PE, Baltus G, Tong A, Zhou C, Glazer RI. Resistance of MMTV-NeuT/ATTAC mice to anti-PD-1 immune checkpoint therapy is associated with macrophage infiltration and Wnt pathway expression. Oncotarget 2022; 13:1350-1358. [PMID: 36537914 PMCID: PMC9765860 DOI: 10.18632/oncotarget.28330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
One of the central challenges for cancer therapy is the identification of factors in the tumor microenvironment that increase tumor progression and immune tolerance. In breast cancer, fibrosis is a histopathologic criterion for invasive cancer and poor survival that results from inflammatory factors and remodeling of the extracellular matrix to produce an immune tolerant microenvironment. To determine whether tolerance is associated with the immune checkpoint, Programmed Cell Death 1 (PD-1), NeuT/ATTAC mice, a conditional model of mammary fibrosis that we recently developed, were administered a murine-specific anti-PD-1 mAb related to pembrolizumab, and drug response was monitored by tumor development, imaging mass cytometry, immunohistochemistry and tumor gene expression by RNAseq. Tumor progression in NeuT/ATTAC mice was unaffected by weekly injection of anti-PD-1 over four months. Insensitivity to anti-PD-1 was associated with several processes, including increased tumor-associated macrophages (TAM), epithelial to mesenchymal transition (EMT), fibroblast proliferation, an enhanced extracellular matrix and the Wnt signaling pathway, including increased expression of Fzd5, Wnt5a, Vimentin, Mmp3, Col2a1 and Tgfβ1. These results suggest potential therapeutic avenues that may enhance PD-1 immune checkpoint sensitivity, including the use of tumor microenvironment targeted agents and Wnt pathway inhibitors.
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Affiliation(s)
- Hongyan Yuan
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Lu Jin
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Handan Xiang
- 2Discovery Immunology, Merck Research Institute, Boston, MA 02115, USA
| | | | - Philip E. Brandish
- 3Discovery Oncology, Merck Research Institute, Boston, MA 02115, USA,4Bicycle Therapeutics, Lexington, MA 02421, USA
| | - Gretchen Baltus
- 2Discovery Immunology, Merck Research Institute, Boston, MA 02115, USA
| | - Alexander Tong
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Changyan Zhou
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Robert I. Glazer
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA,Correspondence to:Robert I. Glazer, email:
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12
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Chhetri D, Vengadassalapathy S, Venkadassalapathy S, Balachandran V, Umapathy VR, Veeraraghavan VP, Jayaraman S, Patil S, Iyaswamy A, Palaniyandi K, Gnanasampanthapandian D. Pleiotropic effects of DCLK1 in cancer and cancer stem cells. Front Mol Biosci 2022; 9:965730. [PMID: 36250024 PMCID: PMC9560780 DOI: 10.3389/fmolb.2022.965730] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/12/2022] [Indexed: 12/02/2022] Open
Abstract
Doublecortin-like kinase 1 (DCLK1), a protein molecule, has been identified as a tumor stem cell marker in the cancer cells of gastrointestinal, pancreas, and human colon. DCLK1 expression in cancers, such as breast carcinoma, lung carcinoma, hepatic cell carcinoma, tuft cells, and human cholangiocarcinoma, has shown a way to target the DCLK1 gene and downregulate its expression. Several studies have discussed the inhibition of tumor cell proliferation along with neoplastic cell arrest when the DCLK1 gene, which is expressed in both cancer and normal cells, was targeted successfully. In addition, previous studies have shown that DCLK1 plays a vital role in various cancer metastases. The correlation of DCLK1 with numerous stem cell receptors, signaling pathways, and genes suggests its direct or an indirect role in promoting tumorigenesis. Moreover, the impact of DCLK1 was found to be related to the functioning of an oncogene. The downregulation of DCLK1 expression by using targeted strategies, such as embracing the use of siRNA, miRNA, CRISPR/Cas9 technology, nanomolecules, specific monoclonal antibodies, and silencing the pathways regulated by DCLK1, has shown promising results in both in vitro and in vivo studies on gastrointestinal (GI) cancers. In this review, we will discuss about the present understanding of DCLK1 and its role in the progression of GI cancer and metastasis.
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Affiliation(s)
- Dibyashree Chhetri
- Cancer Science Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, India
| | - Srinivasan Vengadassalapathy
- Department of Pharmacology, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | | | - Varadharaju Balachandran
- Department of Physiology, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Vidhya Rekha Umapathy
- Department of Public Health Dentistry, Sree Balaji Dental College and Hospital, Chennai, India
| | - Vishnu Priya Veeraraghavan
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Selvaraj Jayaraman
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Shankargouda Patil
- College of Dental Medicine, Roseman University of Health Sciences, South Jordan, UT, United States
| | - Ashok Iyaswamy
- Centre for Parkinsons Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Kanagaraj Palaniyandi
- Cancer Science Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, India
- *Correspondence: Kanagaraj Palaniyandi, ; Dhanavathy Gnanasampanthapandian,
| | - Dhanavathy Gnanasampanthapandian
- Cancer Science Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, India
- *Correspondence: Kanagaraj Palaniyandi, ; Dhanavathy Gnanasampanthapandian,
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13
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Suzuki A, Sakamoto K, Nakahara Y, Enomoto A, Hino J, Ando A, Inoue M, Shiraki Y, Omote N, Kusaka M, Fukihara J, Hashimoto N. BMP3b is a Novel Anti-Fibrotic Molecule Regulated by Meflin in Lung Fibroblasts. Am J Respir Cell Mol Biol 2022; 67:446-458. [PMID: 35728045 DOI: 10.1165/rcmb.2021-0484oc] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Fibroblasts play a central role in the lung fibrotic process. Our recent study identified a novel subpopulation of lung fibroblasts expressing meflin, anti-fibrotic properties of which were confirmed by murine lung fibrosis model. Meflin expressing fibroblasts were resistant to fibrogenesis induced by transforming growth factor-β (TGF-β), but its underlying mechanisms remain unknown. In this study, evaluation of a silica-nanoparticles-induced lung fibrosis model confirmed the antifibrotic effect of meflin via the regulation of TGF-β signaling. We conducted comparative gene expression profiling in lung fibroblasts, which identified growth differentiation factor 10 (Gdf10) encoding bone morphogenic protein 3b (BMP3b) as the most down-regulated gene in meflin-deficient cells under the profibrotic condition with TGF-β. We hypothesized that BMP3b can be an effector molecule playing an anti-fibrotic role downstream of meflin. As suggested by single-cell transcriptomic data, restricted expressions of Gdf10 (Bmp3b) in stromal cells including fibroblasts were confirmed. We examined possible anti-fibrotic properties of BMP3b in lung fibroblasts and demonstrated that Bmp3b-null fibroblasts were more susceptible to TGF-β-induced fibrogenic changes. Furthermore, Bmp3b-null mice exhibited exaggerated lung fibrosis induced by silica-nanoparticles in vivo. We also demonstrated that treatment with recombinant BMP3B was effective against TGF-β-induced fibrogenesis in fibroblasts, especially in the suppression of excessive extracellular matrix production. These lines of evidence suggested that BMP3b is a novel humoral effector molecule regulated by meflin which exerts anti-fibrotic properties in lung fibroblasts. Supplementation of BMP3B could be a novel therapeutic strategy for fibrotic lung diseases.
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Affiliation(s)
- Atsushi Suzuki
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Koji Sakamoto
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan;
| | - Yoshio Nakahara
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Respiratory Medicine, Nagoya, Japan
| | - Atsushi Enomoto
- Nagoya University Graduate School of Medicine, Department of Pathology, Nagoya, Japan
| | - Jun Hino
- National Cerebral and Cardiovascular Center Research Institute, Department of Biochemistry, Suita, Japan
| | - Akira Ando
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Masahide Inoue
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Respiratory medicine, Nagoya, Japan
| | - Yukihiro Shiraki
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Pathology, Nagoya, Japan
| | - Norihito Omote
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Respiratory Medicine, Nagoya, Japan
| | - Masahiro Kusaka
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Jun Fukihara
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Naozumi Hashimoto
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
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14
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Zhao Q, Xu J, Han X, Zhang Z, Qu J, Cheng Z. Growth differentiation factor 10 induces angiogenesis to promote wound healing in rats with diabetic foot ulcers by activating TGF-β1/Smad3 signaling pathway. Front Endocrinol (Lausanne) 2022; 13:1013018. [PMID: 36714584 PMCID: PMC9880151 DOI: 10.3389/fendo.2022.1013018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 11/23/2022] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Diabetic foot ulcer (DFU) represents a highly-prevalent complication of diabetes mellitus (DM). Herein, the current study sought to identify the role of growth differentiation factor 10 (GDF-10) in wound healing in DFU via regulation of the transforming growth factor-beta 1 (TGF-β1)/Smad3 pathway. METHODS DM- and DFU-related microarray datasets GSE29221 and GSE134431 were firstly retrieved, and weighted gene co-expression network analysis (WGCNA) was carried out to construct a co-expression network affecting wound healing in DFU, followed by differential analysis. A protein-protein interaction (PPI) network of the DFU-related genes was subsequently constructed, and the core genes and signaling pathways in DFU were screened with the Gene Ontology and Kyoto Encyclopedia of Genes and Genomes functional analyses. A DFU rat model was constructed for mechanism verification of the effect of GDF-10 on wound healing in DFU. RESULTS WGCNA screened five co-expression modules, and the brown module was most closely-related to DM. Clustering analysis screened 4417 candidate genes, of which 175 differential genes were associated with wound healing, further involved in TGF-β1/Smad3 signaling pathway regulation of wound healing in DFU. The PPI network analysis predicted that GDF-10 might regulate the TGF-β1/Smad3 signaling pathway to participate in DFU development. Results of animal experimentation showed that the wound healing rates of NFU, DFU, DFU + GDF and GDF + SIS3 groups on the 22nd day were (87.66 ± 6.80)%, (56.31 ± 7.29)%, (71.64 ± 9.43)% and (55.09 ± 7.13)%, respectively. Besides, the expression of TGF-β1 in NFU, DFU, DFU + GDF and GDF + SIS3 groups was 0.988 ± 0.086, 0.297 ± 0.036, 0.447 ± 0.044, and 0.240 ± 0.050, respectively, and that of Smad3 was 1.009 ± 0.137, 0.145 ± 0.017, 0.368 ± 0.048, and 0.200 ± 0.028, respectively. Specifically, GDF-10 exerted a significant diminishing effect on fasting blood glucose level, and promoted wound healing in DFU rats, in addition to up-regulation of VEGF, FGF, Ang-1, TGF-β1, Smad3 and enhancement of IL-1b, IL-6, TNF-a and MMP-9, thereby promoting fibroblast proliferation, collagen deposition and angiogenesis. CONCLUSIONS Our findings highlight that GDF-10 may promote angiogenesis by activating TGF-β1/Smad3 signaling, thereby promoting wound healing in DFU rats.
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15
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He F, Feng G, Ma N, Midorikawa K, Oikawa S, Kobayashi H, Zhang Z, Huang G, Takeuchi K, Murata M. GDF10 inhibits cell proliferation and epithelial-mesenchymal transition in nasopharyngeal carcinoma by the transforming growth factor-β/Smad and NF-κB pathways. Carcinogenesis 2021; 43:94-103. [PMID: 34922336 DOI: 10.1093/carcin/bgab122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 11/18/2021] [Accepted: 12/10/2021] [Indexed: 11/13/2022] Open
Abstract
Growth differentiation factor-10 (GDF10) belongs to a member of the transforming growth factor-β (TGF-β) superfamily. Dysfunction of the TGF-β pathway can lead to carcinoma progression. Previous studies have shown that GDF10 acts as a tumor suppressor gene in some cancers. However, the molecular mechanisms of the association between GDF10 and cell functions in nasopharyngeal carcinoma (NPC) remain unclear. In this study, the expression and methylation levels of GDF10 were studied in human subjects and cell lines. Furthermore, overexpression of GDF10 was used to explore its biological function and potential mechanism in NPC cell lines. GDF10 was downregulated in NPC owing to its aberrant promoter methylation. After treatment with 5-aza-2'-deoxycytidine, the expression of GDF10 in NPC cells was reversed. We also confirmed that the overexpression of GDF10 significantly inhibited cell proliferation and tumor growth both in vitro and in vivo, respectively. Additionally, GDF10 overexpression in NPC cells attenuated migration and invasion and inhibited epithelial-to-mesenchymal transition with a decrease in nuclear Smad2 and NF-κB protein accumulation. GDF10 was silenced owing to its promoter hypermethylation, and it might originally act as a functional tumor suppressor via TGF-β/Smad and NF-κB signaling pathways in NPC.
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Affiliation(s)
- Feng He
- Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan.,Department of Otolaryngology-Head and Neck Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Guofei Feng
- Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan.,Department of Otolaryngology-Head and Neck Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Ning Ma
- Graduate School of Health Science, Suzuka University of Medical Science, Suzuka, Japan.,Institute of Traditional Chinese Medicine, Suzuka University of Medical Science, Suzuka, Mie, Japan
| | - Kaoru Midorikawa
- Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Shinji Oikawa
- Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Hatasu Kobayashi
- Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Zhe Zhang
- Department of Otolaryngology-Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Guangwu Huang
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Nanning, China
| | - Kazuhiko Takeuchi
- Department of Otolaryngology-Head and Neck Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Mariko Murata
- Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie, Japan
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16
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Camps J, Breuls N, Sifrim A, Giarratana N, Corvelyn M, Danti L, Grosemans H, Vanuytven S, Thiry I, Belicchi M, Meregalli M, Platko K, MacDonald ME, Austin RC, Gijsbers R, Cossu G, Torrente Y, Voet T, Sampaolesi M. Interstitial Cell Remodeling Promotes Aberrant Adipogenesis in Dystrophic Muscles. Cell Rep 2021; 31:107597. [PMID: 32375047 DOI: 10.1016/j.celrep.2020.107597] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 03/06/2020] [Accepted: 04/10/2020] [Indexed: 12/26/2022] Open
Abstract
Fibrosis and fat replacement in skeletal muscle are major complications that lead to a loss of mobility in chronic muscle disorders, such as muscular dystrophy. However, the in vivo properties of adipogenic stem and precursor cells remain unclear, mainly due to the high cell heterogeneity in skeletal muscles. Here, we use single-cell RNA sequencing to decomplexify interstitial cell populations in healthy and dystrophic skeletal muscles. We identify an interstitial CD142-positive cell population in mice and humans that is responsible for the inhibition of adipogenesis through GDF10 secretion. Furthermore, we show that the interstitial cell composition is completely altered in muscular dystrophy, with a near absence of CD142-positive cells. The identification of these adipo-regulatory cells in the skeletal muscle aids our understanding of the aberrant fat deposition in muscular dystrophy, paving the way for treatments that could counteract degeneration in patients with muscular dystrophy.
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Affiliation(s)
- Jordi Camps
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium; Bayer AG, Research & Development, Pharmaceuticals, 13353 Berlin, Germany
| | - Natacha Breuls
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Alejandro Sifrim
- Laboratory of Reproductive Genomics, Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium; Wellcome Genome Campus, Wellcome Sanger Institute, Cambridge CB10 1SA, UK
| | - Nefele Giarratana
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Marlies Corvelyn
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Laura Danti
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Hanne Grosemans
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Sebastiaan Vanuytven
- Laboratory of Reproductive Genomics, Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium
| | - Irina Thiry
- Laboratory for Molecular Virology and Gene Therapy, and Leuven Viral Vector Core, KU Leuven, 3000 Leuven, Belgium
| | - Marzia Belicchi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Mirella Meregalli
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Khrystyna Platko
- Department of Medicine, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, McMaster University, Hamilton, ON L8N 4A6, Canada
| | - Melissa E MacDonald
- Department of Medicine, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, McMaster University, Hamilton, ON L8N 4A6, Canada
| | - Richard C Austin
- Department of Medicine, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, McMaster University, Hamilton, ON L8N 4A6, Canada
| | - Rik Gijsbers
- Laboratory for Molecular Virology and Gene Therapy, and Leuven Viral Vector Core, KU Leuven, 3000 Leuven, Belgium
| | - Giulio Cossu
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK
| | - Yvan Torrente
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Thierry Voet
- Laboratory of Reproductive Genomics, Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium; Wellcome Genome Campus, Wellcome Sanger Institute, Cambridge CB10 1SA, UK
| | - Maurilio Sampaolesi
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium; Human Anatomy Unit, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy.
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17
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Sheng G, Yuan H, Jin L, Ranjit S, Panov J, Lu X, Levi M, Glazer RI. Reduction of fibrosis and immune suppressive cells in ErbB2-dependent tumorigenesis by an LXR agonist. PLoS One 2021; 16:e0248996. [PMID: 33780491 PMCID: PMC8007044 DOI: 10.1371/journal.pone.0248996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/10/2021] [Indexed: 11/18/2022] Open
Abstract
One of the central challenges for cancer therapy is the identification of factors in the tumor microenvironment that increase tumor progression and prevent immune surveillance. One such element associated with breast cancer is stromal fibrosis, a histopathologic criterion for invasive cancer and poor survival. Fibrosis is caused by inflammatory factors and remodeling of the extracellular matrix that elicit an immune tolerant microenvironment. To address the role of fibrosis in tumorigenesis, we developed NeuT/ATTAC transgenic mice expressing a constitutively active NeuT/erbB2 transgene, and an inducible, fat-directed caspase-8 fusion protein, which upon activation results in selective and partial ablation of mammary fat and its replacement with fibrotic tissue. Induction of fibrosis in NeuT/ATTAC mice led to more rapid tumor development and an inflammatory and fibrotic stromal environment. In an effort to explore therapeutic options that could reduce fibrosis and immune tolerance, mice were treated with the oxysterol liver X receptor (LXR) pan agonist, N,N-dimethyl-3-β-hydroxy-cholenamide (DMHCA), an agent known to reduce fibrosis in non-malignant diseases. DMHCA reduced tumor progression, tumor multiplicity and fibrosis, and improved immune surveillance by reducing infiltrating myeloid-derived suppressor cells and increasing CD4 and CD8 effector T cells. These effects were associated with downregulation of an LXR-dependent gene network related to reduced breast cancer survival that included Spp1, S100a9, Anxa1, Mfge8 and Cd14. These findings suggest that the use of DMHCA may be a potentially effective approach to reduce desmoplasia and immune tolerance and increase the efficacy of cancer therapy.
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Affiliation(s)
- Gao Sheng
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, United States of America
- Department of Breast, Women’s Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Hongyan Yuan
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, United States of America
| | - Lu Jin
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, United States of America
| | - Suman Ranjit
- Department of Biochemistry and Molecular Biology, Georgetown University, Washington, DC, United States of America
| | - Julia Panov
- Faculty of Natural Sciences, University of Haifa, Haifa, Israel
| | - Xun Lu
- George Washington University, Washington, DC, United States of America
| | - Moshe Levi
- Department of Biochemistry and Molecular Biology, Georgetown University, Washington, DC, United States of America
| | - Robert I. Glazer
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, United States of America
- * E-mail:
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18
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Zhang D, Song Y, Li D, Liu X, Pan Y, Ding L, Shi G, Wang Y, Ni Y, Hou Y. Cancer-associated fibroblasts promote tumor progression by lncRNA-mediated RUNX2/GDF10 signaling in oral squamous cell carcinoma. Mol Oncol 2021; 16:780-794. [PMID: 33657265 PMCID: PMC8807363 DOI: 10.1002/1878-0261.12935] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 01/27/2021] [Accepted: 03/01/2021] [Indexed: 12/11/2022] Open
Abstract
Cancer-associated fibroblasts (CAF) are the most abundant stromal cells in tumor and exert a pro-tumoral effect in cancer progression. Numerous evidence shows long non-coding RNA (lncRNA) abnormally regulates gene expression in various cancers. However, little is known about the role of lncRNA in the interaction between CAF and cancer cells. Here, we first identify an uncharacterized lncRNA, LOC100506114, which is significantly upregulated in CAF and is involved in the functional transformation of normal fibroblasts (NF) and CAF. Expression of LOC100506114 enhances the expression of fibroblast activation protein alpha and α-smooth muscle actin in NF and promotes malignant characteristics of NF and CAF in vivo and in vitro. The profile of gene co-expression analysis shows that growth differentiation factor 10 (GDF10) is positively correlated with the expression of LOC100506114. CAF promote stromal fibroblast activation and the proliferation and migration of tumor cells by secreting GDF10. Our data demonstrate that lncRNA plays a critical role in the interplay of stromal fibroblasts and tumor cells in oral squamous cell carcinoma.
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Affiliation(s)
- Dongya Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Yuxian Song
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Dan Li
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Xinghan Liu
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Yuchen Pan
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Liang Ding
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Guoping Shi
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Yong Wang
- State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, China.,Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
| | - Yanhong Ni
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China
| | - Yayi Hou
- The State Key Laboratory of Pharmaceutical Biotechnology and Central Laboratory of Stomatology Nanjing of Stomatological Hospital, Division of Immunology, Medical School, Nanjing University, China.,Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
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19
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High mRNA expression of LY6 gene family is associated with overall survival outcome in pancreatic ductal adenocarcinoma. Oncotarget 2021; 12:145-159. [PMID: 33613843 PMCID: PMC7869573 DOI: 10.18632/oncotarget.27880] [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: 11/21/2020] [Accepted: 01/19/2021] [Indexed: 11/30/2022] Open
Abstract
Pancreatic cancer ranks one of the worst in overall survival outcome with a 5 year survival rate being less than 10%. Pancreatic cancer faces unique challenges in its diagnosis and treatment, such as the lack of clinically validated biomarkers and the immensely immunosuppressive tumor microenvironment. Recently, the LY6 gene family has received increasing attention for its multi-faceted roles in cancer development, stem cell maintenance, immunomodulation, and association with more aggressive and hard-to-treat cancers. A detailed study of mRNA expression of LY6 gene family and its association with overall survival (OS) outcome in pancreatic cancers is lacking. We used publicly available clinical datasets to analyze the mRNA expression of a set of LY6 genes and its effect on OS outcome in the context of the tumor microenvironment and immunomodulation. We used web-based tools Kaplan-Meier Plotter, cBioPortal, Oncomine and R-programming to analyze copy number alterations, mRNA expression and its association with OS outcome in pancreatic cancer. These analyses demonstrated that high expression of LY6 genes is associated with OS and disease free survival (DFS) outcome. High expression of LY6 genes and their association with OS outcome is dependent on the composition of tumor microenvironment. Considering that LY6 proteins are anchored to the outer cell membrane or secreted, making them readily accessible, these findings highlight the potential of LY6 family members in the future of pancreatic cancer diagnosis and treatment.
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Christensen R, Gunnarsson AP, Jensen UB. The role of stem cell antigen-1/Lymphocyte antigen 6A-2/6E-1 knock out in murine epidermis. Stem Cell Res 2020; 49:102047. [PMID: 33157392 DOI: 10.1016/j.scr.2020.102047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/30/2020] [Accepted: 10/09/2020] [Indexed: 11/27/2022] Open
Abstract
Stem Cell Antigen-1 (SCA-1) is a central positive marker for isolating stem cells in several tissues in the mouse. However, for the epidermis, this appears to be the opposite since lack of SCA-1 has been shown to identify keratinocyte populations with progenitor characteristics. This study investigates the effect of SCA-1 knockout in murine keratinocytes. We compared Sca-1EGFP/EGFP knockout and wildtype mice with respect to the three-dimensional morphology of the epidermis, performed functional assays, and generated gene expression profiles on FACS sorted cells. There were no morphological abnormalities on skin, fur, or hair follicles in transgenic knockout mice compared to wild type mice. SCA-1 knockout keratinocytes showed significantly reduced colony-forming efficiency, colony size and proliferation rate in vitro, however, SCA-1 knockout did not alter wound healing efficiency or keratinocyte proliferation rate in vivo. Moreover, gene expression profiling shows that the effect from knockout of SCA-1 in keratinocytes is dissimilar from what has been observed in other tissues. Additionally, tumor assay indicated that SCA-1 knockout decreases the number of formed papillomas. The results indicate a more complex role for SCA-1, which might differ between epidermal keratinocytes during homeostasis and activated conditions.
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Affiliation(s)
- Rikke Christensen
- Department of Clinical Genetics, Aarhus University Hospital, Brendstrupgaardsvej 21C, 8200 Aarhus N, Denmark; Department of Biomedicine, Aarhus University, Høegh-Guldbergs Gade 10, 8000 Aarhus C, Denmark.
| | - Anders Patrik Gunnarsson
- Department of Clinical Genetics, Aarhus University Hospital, Brendstrupgaardsvej 21C, 8200 Aarhus N, Denmark; Department of Biomedicine, Aarhus University, Høegh-Guldbergs Gade 10, 8000 Aarhus C, Denmark.
| | - Uffe Birk Jensen
- Department of Clinical Genetics, Aarhus University Hospital, Brendstrupgaardsvej 21C, 8200 Aarhus N, Denmark.
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Le Naour A, Rossary A, Vasson MP. EO771, is it a well-characterized cell line for mouse mammary cancer model? Limit and uncertainty. Cancer Med 2020; 9:8074-8085. [PMID: 33026171 PMCID: PMC7643677 DOI: 10.1002/cam4.3295] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 12/16/2022] Open
Abstract
Among mouse mammary tumor models, syngeneic cell lines present an advantage for the study of immune response. However, few of these models are well characterized. The tumor line EO771 is derived from spontaneous breast cancer of C57BL/6 mice. These cells are widely used but are referenced under different names: EO771, EO 771, and E0771. The characteristics of the EO771 cells are well described but some data are contradictory. This cell line presents the great interest of developing an immunocompetent neoplastic model using an orthotopic implantation reflecting the mammary tumors encountered in breast cancer patients. This review presents the phenotype characteristics of EO771 and its sensitivity to nutrients and different therapies such as radiotherapy, chemotherapy, hormone therapy, and immunotherapy.
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Affiliation(s)
- Augustin Le Naour
- UMR 1019 Human Nutrition Unit, ECREIN team, University of Clermont Auvergne, INRAE, CRNH-Auvergne, Clermont-Ferrand, France
| | - Adrien Rossary
- UMR 1019 Human Nutrition Unit, ECREIN team, University of Clermont Auvergne, INRAE, CRNH-Auvergne, Clermont-Ferrand, France
| | - Marie-Paule Vasson
- UMR 1019 Human Nutrition Unit, ECREIN team, University of Clermont Auvergne, INRAE, CRNH-Auvergne, Clermont-Ferrand, France.,Department of Nutrition, Gabriel Montpied University Hospital, Jean Perrin Cancer Centre, Clermont-Ferrand, France
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Martinez-Hackert E, Sundan A, Holien T. Receptor binding competition: A paradigm for regulating TGF-β family action. Cytokine Growth Factor Rev 2020; 57:39-54. [PMID: 33087301 DOI: 10.1016/j.cytogfr.2020.09.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 09/23/2020] [Indexed: 02/06/2023]
Abstract
The transforming growth factor (TGF)-β family is a group of structurally related, multifunctional growth factors, or ligands that are crucially involved in the development, regulation, and maintenance of animal tissues. In humans, the family counts over 33 members. These secreted ligands typically form multimeric complexes with two type I and two type II receptors to activate one of two distinct signal transduction branches. A striking feature of the family is its promiscuity, i.e., many ligands bind the same receptors and compete with each other for binding to these receptors. Although several explanations for this feature have been considered, its functional significance has remained puzzling. However, several recent reports have promoted the idea that ligand-receptor binding promiscuity and competition are critical features of the TGF-β family that provide an essential regulating function. Namely, they allow a cell to read and process multi-ligand inputs. This capability may be necessary for producing subtle, distinctive, or adaptive responses and, possibly, for facilitating developmental plasticity. Here, we review the molecular basis for ligand competition, with emphasis on molecular structures and binding affinities. We give an overview of methods that were used to establish experimentally ligand competition. Finally, we discuss how the concept of ligand competition may be fundamentally tied to human physiology, disease, and therapy.
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Affiliation(s)
- Erik Martinez-Hackert
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, 48824, USA.
| | - Anders Sundan
- Department of Clinical and Molecular Medicine, NTNU - Norwegian University of Science and Technology, 7491, Trondheim, Norway; Centre of Molecular Inflammation Research (CEMIR), Norwegian University of Science and Technology, 7491, Trondheim, Norway
| | - Toril Holien
- Department of Clinical and Molecular Medicine, NTNU - Norwegian University of Science and Technology, 7491, Trondheim, Norway; Department of Hematology, St. Olav's University Hospital, 7030, Trondheim, Norway.
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TGF-β regulates Sca-1 expression and plasticity of pre-neoplastic mammary epithelial stem cells. Sci Rep 2020; 10:11396. [PMID: 32647280 PMCID: PMC7347574 DOI: 10.1038/s41598-020-67827-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 06/15/2020] [Indexed: 12/17/2022] Open
Abstract
The epithelial-mesenchymal plasticity, in tight association with stemness, contributes to the mammary gland homeostasis, evolution of early neoplastic lesions and cancer dissemination. Focused on cell surfaceome, we used mouse models of pre-neoplastic mammary epithelial and cancer stem cells to reveal the connection between cell surface markers and distinct cell phenotypes. We mechanistically dissected the TGF-β family-driven regulation of Sca-1, one of the most commonly used adult stem cell markers. We further provided evidence that TGF-β disrupts the lineage commitment and promotes the accumulation of tumor-initiating cells in pre-neoplastic cells.
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Zhou T, Yu L, Huang J, Zhao X, Li Y, Hu Y, Lei Y. GDF10 inhibits proliferation and epithelial-mesenchymal transition in triple-negative breast cancer via upregulation of Smad7. Aging (Albany NY) 2020; 11:3298-3314. [PMID: 31147529 PMCID: PMC6555447 DOI: 10.18632/aging.101983] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 05/31/2019] [Indexed: 12/27/2022]
Abstract
Triple-negative breast cancer (TNBC) cannot be treated with current hormonal therapies and has a higher risk of relapse than other breast cancers. To identify potential therapeutic targets for TNBC, we conducted microRNA sequencing (RNA-Seq) in human TNBC specimens and tumor-matched controls. We found that growth differentiation factor-10 (GDF10), a member of the TGF-β superfamily, was downregulated in tumor samples. Further analysis of GDF10 expression in a larger set of clinical TNBC samples using qPCR confirmed its downregulation and association with parameters of disease severity. Using human-derived TNBC cell lines, we carried out GDF10 under- and overexpression experiments, which showed that GDF10 loss promoted cell proliferation and invasion. By contrast, overexpression of GDF10 inhibited proliferation, invasion, and epithelial mesenchymal transition (EMT) via upregulation of Smad7 and E-Cadherin, downregulation of p-Smad2 and N-Cadherin, and reduction of nuclear Smad4 expression. In addition, overexpression of GDF10 reduced tumor burden and induced apoptosis in a TNBC xenograft mouse model. These findings indicate that GDF10 acts as a tumor suppressor in mammary epithelial cells that limits proliferation and suppresses EMT. Efforts aimed at restoring GDF10 expression may thus bring a long-sought therapeutic alternative in the treatment of patients with TNBC.
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Affiliation(s)
- Tian Zhou
- Department of Breast Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Lei Yu
- Prenatal Diagnosis Center, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Jianjun Huang
- Department of Breast Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Xueke Zhao
- Department of Infectious Diseases, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Yanwen Li
- Department of Breast Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Yaxin Hu
- Prenatal Diagnosis Center, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Yu Lei
- Prenatal Diagnosis Center, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
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Small Molecule Binds with Lymphocyte Antigen 6K to Induce Cancer Cell Death. Cancers (Basel) 2020; 12:cancers12020509. [PMID: 32098321 PMCID: PMC7072568 DOI: 10.3390/cancers12020509] [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: 12/17/2019] [Revised: 02/10/2020] [Accepted: 02/19/2020] [Indexed: 11/17/2022] Open
Abstract
Elevated gene expression of Lymphocyte antigen 6K (LY6K) in cancer cells is associated with poor survival outcomes in multiple different cancer types including cervical, breast, ovarian, lung, and head and neck cancer. Since inhibition of LY6K expression inhibits cancer cell growth, we set out to explore whether pharmacological inhibition of LY6K could produce the same effect. We screened small molecule libraries for direct binding to recombinant LY6K protein in a surface plasmon resonance assay. We found that NSC243928 directly binds to the full-length and mature forms of LY6K and inhibits growth of HeLa cells that express LY6K. NSC243928 did not display binding with LY6D or LY6E. Our data demonstrate a first-time proof of principle study that pharmacological inhibition of LY6K using small molecules in cancer cells is a valid approach to developing targeted therapies against LY6K. This approach will be specifically relevant in hard-to-treat cancers where LY6K is highly expressed, such as cervical, pancreatic, ovarian, head and neck, lung, gastric, and triple-negative breast cancers.
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Platko K, Lebeau PF, Byun JH, Poon SV, Day EA, MacDonald ME, Holzapfel N, Mejia-Benitez A, Maclean KN, Krepinsky JC, Austin RC. GDF10 blocks hepatic PPARγ activation to protect against diet-induced liver injury. Mol Metab 2019; 27:62-74. [PMID: 31288993 PMCID: PMC6717799 DOI: 10.1016/j.molmet.2019.06.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/14/2019] [Accepted: 06/24/2019] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE Growth differentiation factors (GDFs) and bone-morphogenic proteins (BMPs) are members of the transforming growth factor β (TGFβ) superfamily and are known to play a central role in the growth and differentiation of developing tissues. Accumulating evidence, however, demonstrates that many of these factors, such as BMP-2 and -4, as well as GDF15, also regulate lipid metabolism. GDF10 is a divergent member of the TGFβ superfamily with a unique structure and is abundantly expressed in brain and adipose tissue; it is also secreted by the latter into the circulation. Although previous studies have demonstrated that overexpression of GDF10 reduces adiposity in mice, the role of circulating GDF10 on other tissues known to regulate lipid, like the liver, has not yet been examined. METHODS Accordingly, GDF10-/- mice and age-matched GDF10+/+ control mice were fed either normal control diet (NCD) or high-fat diet (HFD) for 12 weeks and examined for changes in liver lipid homeostasis. Additional studies were also carried out in primary and immortalized human hepatocytes treated with recombinant human (rh)GDF10. RESULTS Here, we show that circulating GDF10 levels are increased in conditions of diet-induced hepatic steatosis and, in turn, that secreted GDF10 can prevent excessive lipid accumulation in hepatocytes. We also report that GDF10-/- mice develop an obese phenotype as well as increased liver triglyceride accumulation when fed a NCD. Furthermore, HFD-fed GDF10-/- mice develop increased steatosis, endoplasmic reticulum (ER) stress, fibrosis, and injury of the liver compared to HFD-fed GDF10+/+ mice. To explain these observations, studies in cultured hepatocytes led to the observation that GDF10 attenuates nuclear peroxisome proliferator-activated receptor γ (PPARγ) activity; a transcription factor known to induce de novo lipogenesis. CONCLUSION Our work delineates a hepatoprotective role of GDF10 as an adipokine capable of regulating hepatic lipid levels by blocking de novo lipogenesis to protect against ER stress and liver injury.
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Affiliation(s)
- Khrystyna Platko
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Paul F Lebeau
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Jae Hyun Byun
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Samantha V Poon
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Emily A Day
- The Division of Endocrinology and Metabolism, Department of Medicine, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8N 4A6, Canada
| | - Melissa E MacDonald
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Nicholas Holzapfel
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Aurora Mejia-Benitez
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Kenneth N Maclean
- The Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Joan C Krepinsky
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Richard C Austin
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada.
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Razi S, Baradaran Noveiry B, Keshavarz-Fathi M, Rezaei N. IL-17 and colorectal cancer: From carcinogenesis to treatment. Cytokine 2019; 116:7-12. [PMID: 30684916 DOI: 10.1016/j.cyto.2018.12.021] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 12/03/2018] [Accepted: 12/26/2018] [Indexed: 12/15/2022]
Abstract
Colorectal cancer (CRC) is one of the most common types of cancer in the world. Several factors contribute to the development of this cancer. Tumor formation in colon triggers immune responses such as immune cells proliferation, phenotype alteration, cytokine synthesis and release, which lead to IL-17 producing T cells, the differentiated CD4+ T cells i.e. T helper 17. IL-17 is a pro-inflammatory cytokine, which its level is up regulated in serum and tissues of CRC patients. Several studies have shown that IL-17 has an important role in metastasis and prognosis of CRC. The aim of this review is to summarize the role of this cytokine in tumorigenesis, angiogenesis and metastasis of CRC and discuss its value in diagnosis, prognosis and treatment of CRC.
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Affiliation(s)
- Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Behnoud Baradaran Noveiry
- Division of Cardiology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Baltimore, MD, USA
| | - Mahsa Keshavarz-Fathi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran; Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Sheffield, UK.
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28
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Upadhyay G. Emerging Role of Novel Biomarkers of Ly6 Gene Family in Pan Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1164:47-61. [PMID: 31576539 DOI: 10.1007/978-3-030-22254-3_4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Stem cell antigen-1 (Sca-1) is the first identified member of mouse Ly6 gene family. We discovered that Sca-1 disrupts TGFβ signaling and enhances mammary tumorigenesis in a DMBA-induced mammary tumor model. Sca-1 gene is lost during evolution in humans. Human Ly6 genes Ly6D, LyE, LyH, and LyK on human chromosome 8q24.3 genes are syntenic to the mouse chromosome 15 where Sca-1 is located. We found that Ly6D, E, H, and K are upregulated in human cancer compared to normal tissue and that the increased expression of these genes are associated with poor prognosis of multiple types of human cancer. Several other groups have indicated increased expression of Ly6 genes in human cancer. Here we described the relevance of expression of human Ly6D, LyE, LyH, and LyK in functioning of normal tissues and tumor progression.
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Affiliation(s)
- Geeta Upadhyay
- Department of Pathology, Murtha Cancer Center, Uniformed Services University, Bethesda, MD, USA.
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29
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Bednarek J, Traxinger B, Brigham D, Roach J, Orlicky D, Wang D, Pelanda R, Mack CL. Cytokine-Producing B Cells Promote Immune-Mediated Bile Duct Injury in Murine Biliary Atresia. Hepatology 2018; 68:1890-1904. [PMID: 29679373 PMCID: PMC6195851 DOI: 10.1002/hep.30051] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 04/02/2018] [Accepted: 04/14/2018] [Indexed: 12/13/2022]
Abstract
Biliary atresia (BA) is a neonatal T cell-mediated, inflammatory, sclerosing cholangiopathy. In the rhesus rotavirus (RRV)-induced neonatal mouse model of BA (murine BA), mice lacking B cells do not develop BA, and the lack of B cells is associated with loss of T-cell and macrophage activation. The aim of this study was to determine the mechanism of B cell-mediated immune activation (antigen presentation versus cytokine production) in murine BA. Normal neonatal B cells in the liver are predominantly at pro-B and pre-B cellular development. However, BA mice exhibit a significant increase in the number and activation status of mature liver B cells. Adoptively transferred B cells into RRV-infected, B cell-deficient mice were able to reinstate T-cell and macrophage infiltration and biliary injury. Nonetheless, neonatal liver B cells were incompetent at antigen presentation to T cells. Moreover, 3-83 immunoglobulin transgenic mice, in which B cells only present an irrelevant antigen, developed BA, indicating a B-cell antigen-independent mechanism. B cells from BA mice produced a variety of innate and adaptive immune cytokines associated with immune activation. In vitro trans-well studies revealed that BA B cells secreted cytokines that activated T cells based on increased expression of T-cell activation marker cluster of differentiation 69. Conclusion: Neonatal liver B cells are highly activated in murine BA and contribute to immune activation through production of numerous cytokines involved in innate and adaptive immunity; this work provides increased knowledge on the capacity of neonatal B cells to contribute to an inflammatory disease through cytokine-mediated mechanisms, and future studies should focus on targeting B cells as a therapeutic intervention in human BA.
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Affiliation(s)
- Joseph Bednarek
- Department of Pediatrics, Section of Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine
| | - Brianna Traxinger
- Department of Pediatrics, Section of Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine
| | - Dania Brigham
- Department of Pediatrics, Section of Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine
| | - Jonathan Roach
- Department of Surgery, University of Colorado School of Medicine
| | - David Orlicky
- Department of Pathology, University of Colorado School of Medicine
| | - Dong Wang
- Department of Pediatrics, Section of Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine
| | - Roberta Pelanda
- Department of Immunology and Microbiology, University of Colorado School of Medicine
| | - Cara L. Mack
- Department of Pediatrics, Section of Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine
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Mayama A, Takagi K, Suzuki H, Sato A, Onodera Y, Miki Y, Sakurai M, Watanabe T, Sakamoto K, Yoshida R, Ishida T, Sasano H, Suzuki T. OLFM4, LY6D and S100A7 as potent markers for distant metastasis in estrogen receptor-positive breast carcinoma. Cancer Sci 2018; 109:3350-3359. [PMID: 30137688 PMCID: PMC6172070 DOI: 10.1111/cas.13770] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 07/24/2018] [Accepted: 08/08/2018] [Indexed: 01/07/2023] Open
Abstract
Metastatic breast cancer is a highly lethal disease, and it is very important to evaluate the biomarkers associated with distant metastasis. However, molecular features of distant metastasis remain largely unknown in breast cancer. Estrogens play an important role in the progression of breast cancer and the majority of stage IV breast carcinomas express estrogen receptor (ER). Therefore, in this study, we examined molecular markers associated with distant metastasis in ER-positive breast carcinoma by microarray and immunohistochemistry. When we examined the gene expression profile of ER-positive stage IV breast carcinoma tissues (n = 7) comparing ER-positive stage I-III cases (n = 11) by microarray analysis, we newly identified OLFM4, LY6D and S100A7, which were closely associated with the distant metastasis. Subsequently, we performed immunohistochemistry for OLFM4, LY6D and S100A7 in 168 ER-positive breast carcinomas. OLFM4, LY6D and S100A7 immunoreactivities were significantly associated with stage, pathological T factor, distant metastasis and Ki67 status in the ER-positive breast carcinomas. Moreover, these immunoreactivities were significantly associated with a worse prognostic factor for distant metastasis-free and breast cancer-specific survival in ER-positive stage I-III breast cancer patients. However, when we performed immunohistochemistry for OLFM4, LY6D and S100A7 in 40 ER-negative breast carcinomas, these immunoreactivities were not generally associated with the clinicopathological factors examined, including distant metastasis and prognosis of patients, in this study. These results suggest that OLFM4, LY6D and S100A7 immunoreactivity are associated with an aggressive phenotype of ER-positive breast carcinoma, and these are potent markers for distant metastasis of ER-positive breast cancer patients.
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Affiliation(s)
- Akifumi Mayama
- Departments of Pathology and HistotechnologyTohoku University Graduate School of MedicineSendaiJapan
- Departments of Pathology and Laboratory MedicineNational Hospital Organization Sendai Medical CenterSendaiJapan
| | - Kiyoshi Takagi
- Departments of Pathology and HistotechnologyTohoku University Graduate School of MedicineSendaiJapan
| | - Hiroyoshi Suzuki
- Departments of Pathology and Laboratory MedicineNational Hospital Organization Sendai Medical CenterSendaiJapan
| | - Ai Sato
- Departments of Pathology and HistotechnologyTohoku University Graduate School of MedicineSendaiJapan
| | - Yoshiaki Onodera
- Departments of Anatomic PathologyTohoku University Graduate School of MedicineSendaiJapan
| | - Yasuhiro Miki
- Departments of Anatomic PathologyTohoku University Graduate School of MedicineSendaiJapan
| | - Minako Sakurai
- Departments of Anatomic PathologyTohoku University Graduate School of MedicineSendaiJapan
| | - Takanori Watanabe
- Departments of Breast SurgeryNational Hospital Organization Sendai Medical CenterSendaiJapan
| | | | - Ryuichi Yoshida
- Departments of Breast SurgeryOsaki Citizen HospitalOsakiJapan
| | - Takanori Ishida
- Departments of Breast and Endocrine Surgical OncologyTohoku University Graduate School of MedicineSendaiJapan
| | - Hironobu Sasano
- Departments of Anatomic PathologyTohoku University Graduate School of MedicineSendaiJapan
- Departments of PathologyTohoku University HospitalSendaiJapan
| | - Takashi Suzuki
- Departments of Pathology and HistotechnologyTohoku University Graduate School of MedicineSendaiJapan
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31
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Fajka-Boja R, Marton A, Tóth A, Blazsó P, Tubak V, Bálint B, Nagy I, Hegedűs Z, Vizler C, Katona RL. Increased insulin-like growth factor 1 production by polyploid adipose stem cells promotes growth of breast cancer cells. BMC Cancer 2018; 18:872. [PMID: 30185144 PMCID: PMC6126028 DOI: 10.1186/s12885-018-4781-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 08/29/2018] [Indexed: 02/08/2023] Open
Abstract
Background Adipose-tissue stem cells (ASCs) are subject of intensive research since their successful use in regenerative therapy. The drawback of ASCs is that they may serve as stroma for cancer cells and assist tumor progression. It is disquieting that ASCs frequently undergo genetic and epigenetic changes during their in vitro propagation. In this study, we describe the polyploidization of murine ASCs and the accompanying phenotypical, gene expressional and functional changes under long term culturing. Methods ASCs were isolated from visceral fat of C57BL/6 J mice, and cultured in vitro for prolonged time. The phenotypical changes were followed by microscopy and flow cytometry. Gene expressional changes were determined by differential transcriptome analysis and changes in protein expression were shown by Western blotting. The tumor growth promoting effect of ASCs was examined by co-culturing them with 4 T1 murine breast cancer cells. Results After five passages, the proliferation of ASCs decreases and cells enter a senescence-like state, from which a proportion of cells escape by polyploidization. The resulting ASC line is susceptible to adipogenic, osteogenic and chondrogenic differentiation, and expresses the stem cell markers CD29 and Sca-1 on an upregulated level. Differential transcriptome analysis of ASCs with normal and polyploid karyotype shows altered expression of genes that are involved in regulation of cancer, cellular growth and proliferation. We verified the increased expression of Klf4 and loss of Nestin on protein level. We found that elevated production of insulin-like growth factor 1 by polyploid ASCs rendered them more potent in tumor growth promotion in vitro. Conclusions Our model indicates how ASCs with altered genetic background may support tumor progression. Electronic supplementary material The online version of this article (10.1186/s12885-018-4781-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Roberta Fajka-Boja
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Genetics, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Annamária Marton
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Biochemistry, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Anna Tóth
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Genetics, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Péter Blazsó
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Genetics, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Vilmos Tubak
- Creative Laboratory Ltd, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Balázs Bálint
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Biochemistry, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - István Nagy
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Biochemistry, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Zoltán Hegedűs
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Biophysics, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Csaba Vizler
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Biochemistry, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - Robert L Katona
- Biological Research Centre of the Hungarian Academy of Sciences, Institute of Genetics, H-6726 Temesvári krt. 62, Szeged, Hungary.
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Ogawa Y, Tsuji M, Tanaka E, Miyazato M, Hino J. Bone Morphogenetic Protein (BMP)-3b Gene Depletion Causes High Mortality in a Mouse Model of Neonatal Hypoxic-Ischemic Encephalopathy. Front Neurol 2018; 9:397. [PMID: 29922215 PMCID: PMC5996078 DOI: 10.3389/fneur.2018.00397] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 05/15/2018] [Indexed: 12/12/2022] Open
Abstract
Bone morphogenetic proteins (BMPs) are a group of proteins that induce the formation of bone and the development of the nervous system. BMP-3b, also known as growth and differentiation factor 10, is a member of the BMPs that is highly expressed in the developing and adult brain. BMP-3b is therefore thought to play an important role in the brain even after physiological neurogenesis has completed. BMP-3b is induced in peri-infarct neurons in aged brains and is one of the most highly upregulated genes during the initiation of axonal sprouting. However, little is known about the role of BMP-3b in neonatal brain injury. In the present study, we aimed to describe the effects of BMP-3b gene depletion on neonatal hypoxic-ischemic encephalopathy, which frequently results in death or lifelong neurological disabilities, such as cerebral palsy and mental retardation. BMP-3b knockout and wild type mice were prepared at postnatal day 12. Mice of each genotype were divided into sham-surgery, mild hypoxia-ischemia (HI), and severe HI groups (n = 12-45). Mice in the HI groups were subjected to left common carotid artery ligation followed by 30 min (mild HI) or 50 min (severe HI) of systemic hypoxic insult. A battery of tests, including behavioral tests, was performed, and the brain was then removed and evaluated at 14 days after insult. Compared with wild type pups, BMP-3b knockout pups demonstrated the following characteristics. (1) The males exposed to severe HI had a strikingly higher mortality rate, and as many as 70% of the knockout pups but none of the wild type pups died; (2) significantly more hyperactive locomotion was observed in males exposed to severe HI; and (3) significantly more hyperactive rearing was observed in both males and females exposed to mild HI. However, BMP-3b gene depletion did not affect other parameters, such as cerebral blood flow, cylinder test and rotarod test performance, body weight gain, brain weight, spleen weight, and neuroanatomical injury. The results of this study suggest that BMP-3b may play a crucial role to survive in severe neonatal hypoxic-ischemic insult.
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Affiliation(s)
- Yuko Ogawa
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Masahiro Tsuji
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Emi Tanaka
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Mikiya Miyazato
- Department of Biochemistry, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Jun Hino
- Department of Biochemistry, National Cerebral and Cardiovascular Center, Suita, Japan
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Yuan H, Wang X, Shi C, Jin L, Hu J, Zhang A, Li J, Vijayendra N, Doodala V, Weiss S, Tang Y, Weiner LM, Glazer RI. Plac1 Is a Key Regulator of the Inflammatory Response and Immune Tolerance In Mammary Tumorigenesis. Sci Rep 2018; 8:5717. [PMID: 29632317 PMCID: PMC5890253 DOI: 10.1038/s41598-018-24022-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 03/22/2018] [Indexed: 01/09/2023] Open
Abstract
Plac1 is an X-linked trophoblast gene expressed at high levels in the placenta, but not in adult somatic tissues other than the testis. Plac1 however is re-expressed in several solid tumors and in most human cancer cell lines. To explore the role of Plac1 in cancer progression, Plac1 was reduced by RNA interference in EO771 mammary carcinoma cells. EO771 "knockdown" (KD) resulted in 50% reduction in proliferation in vitro and impaired tumor growth in syngeneic mice; however, tumor growth in SCID mice was equivalent to tumor cells expressing a non-silencing control RNA, suggesting that Plac1 regulated adaptive immunity. Gene expression profiling of Plac1 KD cells indicated reduction in several inflammatory and immune factors, including Cxcl1, Ccl5, Ly6a/Sca-1, Ly6c and Lif. Treatment of mice engrafted with wild-type EO771 cells with a Cxcr2 antagonist impaired tumor growth, reduced myeloid-derived suppressor cells and regulatory T cells, while increasing macrophages, dendritic cells, NK cells and the penetration of CD8+ T cells into the tumor bed. Cxcl1 KD phenocopied the effects of Plac1 KD on tumor growth, and overexpression of Cxcl1 partially rescued Plac1 KD cells. These results reveal that Plac1 modulates a tolerogenic tumor microenvironment in part by modulating the chemokine axis.
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Affiliation(s)
- Hongyan Yuan
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Xiaoyi Wang
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Chunmei Shi
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Lu Jin
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Jianxia Hu
- Laboratory of Thyroid Diseases, the Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Alston Zhang
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - James Li
- Department of Bioinformatics, Biostatistics and Biomathematics, Georgetown University Medical Center, Washington, DC, 20007, USA
| | - Nairuthya Vijayendra
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Venkata Doodala
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Spencer Weiss
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Yong Tang
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Louis M Weiner
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA
| | - Robert I Glazer
- Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, USA.
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Yu-Lee LY, Yu G, Lee YC, Lin SC, Pan J, Pan T, Yu KJ, Liu B, Creighton CJ, Rodriguez-Canales J, Villalobos PA, Wistuba II, de Nadal E, Posas F, Gallick GE, Lin SH. Osteoblast-Secreted Factors Mediate Dormancy of Metastatic Prostate Cancer in the Bone via Activation of the TGFβRIII-p38MAPK-pS249/T252RB Pathway. Cancer Res 2018. [PMID: 29514796 DOI: 10.1158/0008-5472.can-17-1051] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Bone metastasis from prostate cancer can occur years after prostatectomy, due to reactivation of dormant disseminated tumor cells (DTC) in the bone, yet the mechanism by which DTCs are initially induced into a dormant state in the bone remains to be elucidated. We show here that the bone microenvironment confers dormancy to C4-2B4 prostate cancer cells, as they become dormant when injected into mouse femurs but not under the skin. Live-cell imaging of dormant cells at the single-cell level revealed that conditioned medium from differentiated, but not undifferentiated, osteoblasts induced C4-2B4 cellular quiescence, suggesting that differentiated osteoblasts present locally around the tumor cells in the bone conferred dormancy to prostate cancer cells. Gene array analyses identified GDF10 and TGFβ2 among osteoblast-secreted proteins that induced quiescence of C4-2B4, C4-2b, and PC3-mm2, but not 22RV1 or BPH-1 cells, indicating prostate cancer tumor cells differ in their dormancy response. TGFβ2 and GDF10 induced dormancy through TGFβRIII to activate phospho-p38MAPK, which phosphorylates retinoblastoma (RB) at the novel N-terminal S249/T252 sites to block prostate cancer cell proliferation. Consistently, expression of dominant-negative p38MAPK in C4-2b and C4-2B4 prostate cancer cell lines abolished tumor cell dormancy both in vitro and in vivo Lower TGFβRIII expression in patients with prostate cancer correlated with increased metastatic potential and decreased survival rates. Together, our results identify a dormancy mechanism by which DTCs are induced into a dormant state through TGFβRIII-p38MAPK-pS249/pT252-RB signaling and offer a rationale for developing strategies to prevent prostate cancer recurrence in the bone.Significance: These findings provide mechanistic insights into the dormancy of metastatic prostate cancer in the bone and offer a rationale for developing strategies to prevent prostate cancer recurrence in the bone. Cancer Res; 78(11); 2911-24. ©2018 AACR.
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Affiliation(s)
- Li-Yuan Yu-Lee
- Departments of Medicine and Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas.
| | - Guoyu Yu
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Yu-Chen Lee
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Song-Chang Lin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jing Pan
- Departments of Medicine and Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
| | - Tianhong Pan
- Department of Orthopedic Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kai-Jie Yu
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Bin Liu
- Center for Cancer Genetics and Genomics and Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Chad J Creighton
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas
| | - Jaime Rodriguez-Canales
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Pamela A Villalobos
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ignacio I Wistuba
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Eulalia de Nadal
- Departament de Ciencies Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
| | - Francesc Posas
- Departament de Ciencies Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
| | - Gary E Gallick
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sue-Hwa Lin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas. .,Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
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Yuan H, Wang X, Lu J, Zhang Q, Brandina I, Alexandrov I, Glazer RI. MMTV-NeuT/ATTAC mice: a new model for studying the stromal tumor microenvironment. Oncotarget 2018; 9:8042-8053. [PMID: 29487713 PMCID: PMC5814280 DOI: 10.18632/oncotarget.24233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 01/09/2018] [Indexed: 12/21/2022] Open
Abstract
One of the central challenges in cancer prevention is the identification of factors in the tumor microenvironment (TME) that increase susceptibility to tumorigenesis. One such factor is stromal fibrosis, a histopathologic negative prognostic criterion for invasive breast cancer. Since the stromal composition of the breast is largely adipose and fibroblast tissue, it is important to understand how alterations in these tissues affect cancer progression. To address this question, a novel transgenic animal model was developed by crossing MMTV-NeuT mice containing a constitutively active ErbB2 gene into the FAT-ATTAC (fat apoptosis through targeted activation of caspase 8) background, which expresses an inducible caspase 8 fusion protein targeted to mammary adipose tissue. Upon caspase 8 activation, lipoatrophy of the mammary gland results in stromal fibrosis and acceleration of mammary tumor development with an increase in tumor multiplicity. Fibrosis was accompanied by an increase in collagen deposition, α-smooth muscle actin and CD31 expression in the tumor stroma as well as an increase in PD-L1-positive tumor cells, and infiltration by regulatory T cells, myeloid-derived suppressor cells and tumor-associated macrophages. Gene expression and signal transduction profiling indicated upregulation of pathways associated with cytokine signaling, inflammation and proliferation. This model should be useful for evaluating new therapies that target desmoplasia in the TME associated with invasive cancer.
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Affiliation(s)
- Hongyan Yuan
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Xiaoyi Wang
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Jin Lu
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Qiongsi Zhang
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | | | | | - Robert I. Glazer
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
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Luo L, McGarvey P, Madhavan S, Kumar R, Gusev Y, Upadhyay G. Distinct lymphocyte antigens 6 (Ly6) family members Ly6D, Ly6E, Ly6K and Ly6H drive tumorigenesis and clinical outcome. Oncotarget 2017; 7:11165-93. [PMID: 26862846 PMCID: PMC4905465 DOI: 10.18632/oncotarget.7163] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 01/23/2016] [Indexed: 12/21/2022] Open
Abstract
Stem cell antigen-1 (Sca-1) is used to isolate and characterize tumor initiating cell populations from tumors of various murine models [1]. Sca-1 induced disruption of TGF-β signaling is required in vivo tumorigenesis in breast cancer models [2, 3-5]. The role of human Ly6 gene family is only beginning to be appreciated in recent literature [6-9]. To study the significance of Ly6 gene family members, we have visualized one hundred thirty gene expression omnibus (GEO) dataset using Oncomine (Invitrogen) and Georgetown Database of Cancer (G-DOC). This analysis showed that four different members Ly6D, Ly6E, Ly6H or Ly6K have increased gene expressed in bladder, brain and CNS, breast, colorectal, cervical, ovarian, lung, head and neck, pancreatic and prostate cancer than their normal counter part tissues. Increased expression of Ly6D, Ly6E, Ly6H or Ly6K was observed in sub-set of cancer type. The increased expression of Ly6D, Ly6E, Ly6H and Ly6K was found to be associated with poor outcome in ovarian, colorectal, gastric, breast, lung, bladder or brain and CNS as observed by KM plotter and PROGgeneV2 platform. The remarkable findings of increased expression of Ly6 family members and its positive correlation with poor outcome on patient survival in multiple cancer type indicate that Ly6 family members Ly6D, Ly6E, Ly6K and Ly6H will be an important targets in clinical practice as marker of poor prognosis and for developing novel therapeutics in multiple cancer type.
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Affiliation(s)
- Linlin Luo
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America.,Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America
| | - Peter McGarvey
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America.,Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America
| | - Subha Madhavan
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America.,Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America
| | - Rakesh Kumar
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, George Washington University, Washington, District of Columbia 20037, United States of America
| | - Yuriy Gusev
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America.,Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America
| | - Geeta Upadhyay
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America.,Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20007, United States of America
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Constitutive transgene expression of Stem Cell Antigen-1 in the hair follicle alters the sensitivity to tumor formation and progression. Stem Cell Res 2017; 23:109-118. [DOI: 10.1016/j.scr.2017.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 07/06/2017] [Indexed: 02/05/2023] Open
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Therapeutic vaccination based on side population cells transduced by the granulocyte-macrophage colony-stimulating factor gene elicits potent antitumor immunity. Cancer Gene Ther 2017; 24:165-174. [PMID: 28084317 DOI: 10.1038/cgt.2016.80] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 11/21/2016] [Accepted: 11/22/2016] [Indexed: 12/17/2022]
Abstract
Among cancer immunotherapies, granulocyte-macrophage colony-stimulating factor (GM-CSF) gene-transduced tumor cell vaccine (GVAX) therapies appear promising and have been shown to be safe and effective in multiple clinical trials. However, the antitumor efficacies of GVAX therapy alone are in some cases limited. Here we showed that GVAX therapy targeting cancer stem cells (CSCs) substantially suppressed tumor development in syngeneic immunocompetent mice recapitulating normal immune systems. CSCs were isolated as side population (SP) cells from 4T1 murine breast carcinoma cell line and transduced with GM-CSF gene delivered by non-transmissible Sendai virus (4T1-SP/GM). Impaired tumorigenicity of subcutaneously injected 4T1-SP/GM depended on CD8+ T cells in concert with CD4+ T cells and natural killer cells. Mice therapeutically vaccinated with irradiated 4T1-SP/GM cells had markedly suppressed tumor development of subcutaneously transplanted 4T1-SP cells compared with those treated with irradiated cells of non-transduced 4T1-SP cells or non-SP (4T1-NSP/GM) cells. Tumor suppression was accompanied by the robust accumulation of mature dendritic cells at vaccination sites and T-helper type 1-skewed systemic cellular immunity. Our results suggested that CSC cell-based GVAX immunotherapy might be clinically useful for inducing potent tumor-specific antitumor immunity.
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Van Anh DT, Park SM, Lee H, Kim YS. The Membrane-Bound Form of IL-17A Promotes the Growth and Tumorigenicity of Colon Cancer Cells. Mol Cells 2016; 39:536-42. [PMID: 27378226 PMCID: PMC4959018 DOI: 10.14348/molcells.2016.0048] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 05/17/2016] [Accepted: 05/27/2016] [Indexed: 11/27/2022] Open
Abstract
Interleukin-17A is a member of the IL-17 family, and is known as CTLA8 in the mouse. It is produced by T lymphocytes and NK cells and has proinflammatory roles, inducing cytokine and chemokine production. However, its role in tumor biology remains controversial. We investigated the effects of locally produced IL-17A by transferring the gene encoding it into CT26 colon cancer cells, either in a secretory or a membrane-bound form. Expression of the membrane-bound form on CT26 cells dramatically enhanced their proliferation in vitro. The enhanced growth was shown to be due to an increased rate of cell cycle progression: after synchronizing cells by adding and withdrawing colcemid, the rate of cell cycle progression in the cells expressing the membrane-bound form of IL-17A was much faster than that of the control cells. Both secretory and membrane-bound IL-17A induced the expression of Sca-1 in the cancer cells. When tumor clones were grafted into syngeneic BALB/c mice, the tumor clones expressing the membrane-bound form IL-17A grew rapidly; those expressing the secretory form also grew faster than the wild type CT26 cells, but slower than the clones expressing the membrane-bound form. These results indicate that IL-17A promotes tumorigenicity by enhancing cell cycle progression. This finding should be considered in treating tumors and immune-related diseases.
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Affiliation(s)
- Do Thi Van Anh
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 305-764,
Korea
| | - Sang Min Park
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 305-764,
Korea
| | - Hayyoung Lee
- Institute of Biotechnology, Chungnam National University, Daejeon 305-764,
Korea
| | - Young Sang Kim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 305-764,
Korea
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Investigating B Cell Development, Natural and Primary Antibody Responses in Ly-6A/Sca-1 Deficient Mice. PLoS One 2016; 11:e0157271. [PMID: 27322740 PMCID: PMC4913937 DOI: 10.1371/journal.pone.0157271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 05/26/2016] [Indexed: 11/24/2022] Open
Abstract
Ly-6A/Stem cell antigen-1 (Ly-6A/Sca-1) is a glycosylphosphatidylinositol-anchored protein expressed on many cell types including hematopoietic stem cells (HSCs) and early lymphoid-specific progenitors. Ly-6A/Sca-1 is expressed on CD4+ T cells and plays a role in regulating cellular responses to foreign antigens. The role of Ly-6A/Sca-1 in primary antibody responses has not been defined. To investigate whether Ly-6A/Sca-1 functions in humoral immunity, we first injected Ly-6A/Sca-1-deficient and wild-type control mice with chicken ovalbumin (c-Ova) protein mixed with an adjuvant. We then assessed the ability of the mice to generate a primary antibody response against cOva. We further examined the development of B cells and circulating antibody isotypes in non-immunized Ly-6A/Sca-1deficient mice to determine if Ly6A/Sca-1 functions in development irrespective of antigen-specific immune activation. Ly-6A/Sca-1/Sca-1-deficient mice did not show any significant changes in the number of B lymphocytes in the bone marrow and peripheral lymphoid tissues. Interestingly, Ly-6A/Sca-1/Sca-1-/- mice have significantly elevated serum levels of IgA with λ light chains compared to wild type controls. B cell clusters with high reactivity to anti-IgA λ monoclonal antibody were detected in the lamina propria of the gut, though this was not observed in the bone marrow and peripheral lymphoid tissues. Despite these differences, the Ly-6A/Sca-1deficient mice generated a similar primary antibody response when compared to the wild-type mice. In summary, we conclude that the primary antibody response to cOva antigen is similar in Ly-6A/Sca-1deficient and sufficient mice. In addition, we report significantly higher expression of the immunoglobulin λ light chain by B cells in lamina propria of Ly-6A/Sca-1deficient mice when compared to the wild-type control.
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Park JW, Park JM, Park DM, Kim DY, Kim HK. Stem Cells Antigen-1 Enriches for a Cancer Stem Cell-Like Subpopulation in Mouse Gastric Cancer. Stem Cells 2016; 34:1177-87. [DOI: 10.1002/stem.2329] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 11/23/2015] [Accepted: 12/08/2015] [Indexed: 01/06/2023]
Affiliation(s)
- Jun Won Park
- Biomolecular Function Research Branch Division of Precision Medicine and Cancer Informatics, Division of Precision Medicine and Cancer Informatics; National Cancer Center; Goyang Gyeonggi Republic of Korea
- Department of Veterinary Pathology, Department of Veterinary Pathology, College of Veterinary Medicine; Seoul National University; Seoul Republic of Korea
| | - Jung Min Park
- Biomolecular Function Research Branch Division of Precision Medicine and Cancer Informatics, Division of Precision Medicine and Cancer Informatics; National Cancer Center; Goyang Gyeonggi Republic of Korea
| | - Dong Min Park
- Biomolecular Function Research Branch Division of Precision Medicine and Cancer Informatics, Division of Precision Medicine and Cancer Informatics; National Cancer Center; Goyang Gyeonggi Republic of Korea
| | - Dae-Yong Kim
- Department of Veterinary Pathology, Department of Veterinary Pathology, College of Veterinary Medicine; Seoul National University; Seoul Republic of Korea
| | - Hark Kyun Kim
- Biomolecular Function Research Branch Division of Precision Medicine and Cancer Informatics, Division of Precision Medicine and Cancer Informatics; National Cancer Center; Goyang Gyeonggi Republic of Korea
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AlHossiny M, Luo L, Frazier WR, Steiner N, Gusev Y, Kallakury B, Glasgow E, Creswell K, Madhavan S, Kumar R, Upadhyay G. Ly6E/K Signaling to TGFβ Promotes Breast Cancer Progression, Immune Escape, and Drug Resistance. Cancer Res 2016; 76:3376-86. [PMID: 27197181 DOI: 10.1158/0008-5472.can-15-2654] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 03/29/2016] [Indexed: 12/11/2022]
Abstract
Stem cell antigen Sca-1 is implicated in murine cancer stem cell biology and breast cancer models, but the role of its human homologs Ly6K and Ly6E in breast cancer are not established. Here we report increased expression of Ly6K/E in human breast cancer specimens correlates with poor overall survival, with an additional specific role for Ly6E in poor therapeutic outcomes. Increased expression of Ly6K/E also correlated with increased expression of the immune checkpoint molecules PDL1 and CTLA4, increased tumor-infiltrating T regulatory cells, and decreased natural killer (NK) cell activation. Mechanistically, Ly6K/E was required for TGFβ signaling and proliferation in breast cancer cells, where they contributed to phosphorylation of Smad1/5 and Smad2/3. Furthermore, Ly6K/E promoted cytokine-induced PDL1 expression and activation and binding of NK cells to cancer cells. Finally, we found that Ly6K/E promoted drug resistance and facilitated immune escape in this setting. Overall, our results establish a pivotal role for a Ly6K/E signaling axis involving TGFβ in breast cancer pathophysiology and drug response, and highlight this signaling axis as a compelling realm for therapeutic invention. Cancer Res; 76(11); 3376-86. ©2016 AACR.
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Affiliation(s)
- Midrar AlHossiny
- Department of Oncology, Georgetown University Medical Center, Washington, DC
| | - Linlin Luo
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, DC
| | - William R Frazier
- Department of Oncology, Georgetown University Medical Center, Washington, DC
| | - Noriko Steiner
- Department of Oncology, Georgetown University Medical Center, Washington, DC
| | - Yuriy Gusev
- Department of Oncology, Georgetown University Medical Center, Washington, DC. Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, DC
| | - Bhaskar Kallakury
- Department of Pathology, Georgetown University Medical Center, Washington, DC
| | - Eric Glasgow
- Department of Oncology, Georgetown University Medical Center, Washington, DC
| | - Karen Creswell
- Department of Oncology, Georgetown University Medical Center, Washington, DC
| | - Subha Madhavan
- Department of Oncology, Georgetown University Medical Center, Washington, DC. Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, DC
| | - Rakesh Kumar
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC
| | - Geeta Upadhyay
- Department of Oncology, Georgetown University Medical Center, Washington, DC. Innovation Center for Biomedical Informatics (ICBI), Georgetown University Medical Center, Washington, DC.
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Kiernan J, Hu S, Grynpas MD, Davies JE, Stanford WL. Systemic Mesenchymal Stromal Cell Transplantation Prevents Functional Bone Loss in a Mouse Model of Age-Related Osteoporosis. Stem Cells Transl Med 2016; 5:683-93. [PMID: 26987353 DOI: 10.5966/sctm.2015-0231] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 11/23/2015] [Indexed: 12/13/2022] Open
Abstract
UNLABELLED Age-related osteoporosis is driven by defects in the tissue-resident mesenchymal stromal cells (MSCs), a heterogeneous population of musculoskeletal progenitors that includes skeletal stem cells. MSC decline leads to reduced bone formation, causing loss of bone volume and the breakdown of bony microarchitecture crucial to trabecular strength. Furthermore, the low-turnover state precipitated by MSC loss leads to low-quality bone that is unable to perform remodeling-mediated maintenance--replacing old damaged bone with new healthy tissue. Using minimally expanded exogenous MSCs injected systemically into a mouse model of human age-related osteoporosis, we show long-term engraftment and markedly increased bone formation. This led to improved bone quality and turnover and, importantly, sustained microarchitectural competence. These data establish proof of concept that MSC transplantation may be used to prevent or treat human age-related osteoporosis. SIGNIFICANCE This study shows that a single dose of minimally expanded mesenchymal stromal cells (MSCs) injected systemically into a mouse model of human age-related osteoporosis display long-term engraftment and prevent the decline in bone formation, bone quality, and microarchitectural competence. This work adds to a growing body of evidence suggesting that the decline of MSCs associated with age-related osteoporosis is a major transformative event in the progression of the disease. Furthermore, it establishes proof of concept that MSC transplantation may be a viable therapeutic strategy to treat or prevent human age-related osteoporosis.
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Affiliation(s)
- Jeffrey Kiernan
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Sally Hu
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Marc D Grynpas
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - John E Davies
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - William L Stanford
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada Sprott Centre for Stem Cell Research, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada Department of Cellular and Molecular Medicine and Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Ontario, Canada
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Bourgier C, Kerns S, Gourgou S, Lemanski C, Gutowski M, Fenoglietto P, Romieu G, Crompton N, Lacombe J, Pèlegrin A, Ozsahin M, Rosenstein B, Azria D. Concurrent or sequential letrozole with adjuvant breast radiotherapy: final results of the CO-HO-RT phase II randomized trial. Ann Oncol 2015; 27:474-80. [PMID: 26681684 DOI: 10.1093/annonc/mdv602] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 11/28/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND We present here final clinical results of the COHORT trial and both translational sub-studies aiming at identifying patients at risk of radiation-induced subcutaneous fibrosis (RISF): (i) radiation-induced lymphocyte apoptosis (RILA) and (ii) candidates of certain single-nucleotide polymorphisms (SNPs). PATIENTS AND METHODS Post-menopausal patients with stage I-II breast cancer (n = 150) were enrolled and assigned to either concurrent (arm A) or sequential radiotherapy (RT)-letrozole (arm B). Among them, 121 were eligible for RILA and SNP assays. Grade ≥2 RISF were the primary end point. Secondary end points were lung and heart events and carcinologic outcome. RILA was performed to predict differences in RISF between individuals. A genome-wide association study was performed to identify SNPs associated with RILA and RISF. Analyses were done by intention to treat. RESULTS After a median follow-up of 74 months, 5 patients developed a grade ≥2 RISF. No significant difference was observed between arms A and B. Neither grade ≥2 lung nor symptomatic cardiac toxicity was observed. Median RILA value of the five patients who had grade ≥2 RISF was significantly lower compared with those who developed grade ≤1 RISF (6.9% versus 13%, P = 0.02). Two SNPs were identified as being significantly associated with RILA: rs1182531 (P = 4.2 × 10(-9)) and rs1182532 (P = 3.6 × 10(-8)); both located within the PHACTR3 gene on chromosome 20q13.33. CONCLUSIONS With long-term follow-up, letrozole can safely be delivered concomitantly with adjuvant breast RT. Translational sub-studies showed that high RILA values were correlated with patients who did not develop RISF. REGISTERED CLINICAL TRIAL NCT00208273.
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Affiliation(s)
- C Bourgier
- Inserm, U1194, Institut de Recherche en Cancérologie de Montpellier (IRCM), Cancer Institute ICM-Val d'Aurelle, Montpellier Department of Radiation Oncology, Montpellier Cancer Institute ICM-Val d'Aurelle, Montpellier, France
| | - S Kerns
- University of Rochester Medical Centre, Rochester Icahn School of Medicine at Mount Sinai, New York, USA
| | - S Gourgou
- Biostatistics Unit, Cancer Institute ICM-Val d'Aurelle, Montpellier, France
| | - C Lemanski
- Department of Radiation Oncology, Montpellier Cancer Institute ICM-Val d'Aurelle, Montpellier, France
| | - M Gutowski
- Department of Surgery, Cancer Institute ICM-Val d'Aurelle, Montpellier, France
| | - P Fenoglietto
- Department of Radiation Oncology, Montpellier Cancer Institute ICM-Val d'Aurelle, Montpellier, France
| | - G Romieu
- Department of Medical Oncology, Cancer Institute ICM-Val d'Aurelle, Montpellier, France
| | - N Crompton
- Laboratory of Non-invasive Imaging and Radiation Biology, Van Andel Research Institute, Grand Rapids, USA
| | - J Lacombe
- Inserm, U1194, Institut de Recherche en Cancérologie de Montpellier (IRCM), Cancer Institute ICM-Val d'Aurelle, Montpellier
| | - A Pèlegrin
- Inserm, U1194, Institut de Recherche en Cancérologie de Montpellier (IRCM), Cancer Institute ICM-Val d'Aurelle, Montpellier
| | - M Ozsahin
- Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - B Rosenstein
- Mount Sinai School of Medicine and NYU School of Medicine, New York, USA
| | - D Azria
- Inserm, U1194, Institut de Recherche en Cancérologie de Montpellier (IRCM), Cancer Institute ICM-Val d'Aurelle, Montpellier Department of Radiation Oncology, Montpellier Cancer Institute ICM-Val d'Aurelle, Montpellier, France
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45
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Li S, Nie EH, Yin Y, Benowitz LI, Tung S, Vinters HV, Bahjat FR, Stenzel-Poore MP, Kawaguchi R, Coppola G, Carmichael ST. GDF10 is a signal for axonal sprouting and functional recovery after stroke. Nat Neurosci 2015; 18:1737-45. [PMID: 26502261 PMCID: PMC4790086 DOI: 10.1038/nn.4146] [Citation(s) in RCA: 127] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 09/24/2015] [Indexed: 02/08/2023]
Abstract
Stroke produces a limited process of neural repair. Axonal sprouting in cortex adjacent to the infarct is part of this recovery process, but the signal that initiates axonal sprouting is not known. Growth and differentiation factor 10 (GDF10) is induced in peri-infarct neurons in mice, non-human primates and humans. GDF10 promotes axonal outgrowth in vitro in mouse, rat and human neurons through TGFβRI and TGFβRII signaling. Using pharmacogenetic gain- and loss-of-function studies, we found that GDF10 produced axonal sprouting and enhanced functional recovery after stroke; knocking down GDF10 blocked axonal sprouting and reduced recovery. RNA sequencing from peri-infarct cortical neurons revealed that GDF10 downregulated PTEN, upregulated PI3 kinase signaling and induced specific axonal guidance molecules. Using unsupervised genome-wide association analysis of the GDF10 transcriptome, we found that it was not related to neurodevelopment, but may partially overlap with other CNS injury patterns. Thus, GDF10 is a stroke-induced signal for axonal sprouting and functional recovery.
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Affiliation(s)
- S Li
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - EH Nie
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Y Yin
- Laboratories for Neuroscience Research in Neurosurgery, Children’s Hospital, Boston, MA
| | - LI Benowitz
- Laboratories for Neuroscience Research in Neurosurgery, Children’s Hospital, Boston, MA
| | - S Tung
- Department of Pathology and Laboratory Medicine (Neuropathology), David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - HV Vinters
- Department of Pathology and Laboratory Medicine (Neuropathology), David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - FR Bahjat
- Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, OR
| | - MP Stenzel-Poore
- Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, OR
| | - R Kawaguchi
- Program in Neurogenetics, Department of Neurology and Department of Psychiatry, Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA
| | - G Coppola
- Program in Neurogenetics, Department of Neurology and Department of Psychiatry, Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA
| | - ST Carmichael
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA
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46
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Camarata TD, Weaver GC, Vasilyev A, Arnaout MA. Negative Regulation of TGFβ Signaling by Stem Cell Antigen-1 Protects against Ischemic Acute Kidney Injury. PLoS One 2015; 10:e0129561. [PMID: 26053644 PMCID: PMC4460127 DOI: 10.1371/journal.pone.0129561] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 05/10/2015] [Indexed: 12/22/2022] Open
Abstract
Acute kidney injury, often caused by an ischemic insult, is associated with significant short-term morbidity and mortality, and increased risk of chronic kidney disease. The factors affecting the renal response to injury following ischemia and reperfusion remain to be clarified. We found that the Stem cell antigen-1 (Sca-1), commonly used as a stem cell marker, is heavily expressed in renal tubules of the adult mouse kidney. We evaluated its potential role in the kidney using Sca-1 knockout mice submitted to acute ischemia reperfusion injury (IRI), as well as cultured renal proximal tubular cells in which Sca-1 was stably silenced with shRNA. IRI induced more severe injury in Sca-1 null kidneys, as assessed by increased expression of Kim-1 and Ngal, rise in serum creatinine, abnormal pathology, and increased apoptosis of tubular epithelium, and persistent significant renal injury at day 7 post IRI, when recovery of renal function in control animals was nearly complete. Serum creatinine, Kim-1 and Ngal were slightly but significantly elevated even in uninjured Sca-1-/- kidneys. Sca-1 constitutively bound both TGFβ receptors I and II in cultured normal proximal tubular epithelial cells. Its genetic loss or silencing lead to constitutive TGFβ receptor—mediated activation of canonical Smad signaling even in the absence of ligand and to KIM-1 expression in the silenced cells. These studies demonstrate that by normally repressing TGFβ-mediated canonical Smad signaling, Sca-1 plays an important in renal epithelial cell homeostasis and in recovery of renal function following ischemic acute kidney injury.
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Affiliation(s)
- Troy D. Camarata
- Leukocyte Biology & Inflammation Program, Renal Division and Department of Medicine Massachusetts General Hospital, Charlestown, Massachusetts, United States of America
| | - Grant C. Weaver
- Leukocyte Biology & Inflammation Program, Renal Division and Department of Medicine Massachusetts General Hospital, Charlestown, Massachusetts, United States of America
| | - Alexandr Vasilyev
- Leukocyte Biology & Inflammation Program, Renal Division and Department of Medicine Massachusetts General Hospital, Charlestown, Massachusetts, United States of America
| | - M. Amin Arnaout
- Leukocyte Biology & Inflammation Program, Renal Division and Department of Medicine Massachusetts General Hospital, Charlestown, Massachusetts, United States of America
- Center For Regenerative Medicine, Department of Medicine, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America
- * E-mail:
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47
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Cheng CW, Hsiao JR, Fan CC, Lo YK, Tzen CY, Wu LW, Fang WY, Cheng AJ, Chen CH, Chang IS, Jiang SS, Chang JY, Lee AYL. Loss of GDF10/BMP3b as a prognostic marker collaborates with TGFBR3 to enhance chemotherapy resistance and epithelial-mesenchymal transition in oral squamous cell carcinoma. Mol Carcinog 2015; 55:499-513. [PMID: 25728212 DOI: 10.1002/mc.22297] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Revised: 12/18/2014] [Accepted: 01/14/2015] [Indexed: 12/11/2022]
Abstract
Growth differentiation factor-10 (GDF10), commonly referred as BMP3b, is a member of the transforming growth factor-β (TGF-β) superfamily. GDF10/BMP3b has been considered as a tumor suppressor, however, little is known about the molecular mechanism of its roles in tumor suppression in oral cancer. Clinical significance of GDF10 downregulation in oral squamous cell carcinoma (OSCC) was evaluated using three independent cohorts of OSCC patients. The molecular mechanisms of GDF10 in the suppression of cell survival, cell migration/invasion and epithelial-mesenchymal transition (EMT) were investigated by using oral cancer cell lines. The present study shows that GDF10 is downregulated during oral carcinogenesis, and GDF10 expression is also an independent risk factor for overall survival of OSCC patients. Overexpression of GDF10 attenuates cell proliferation, transformation, migration/invasion, and EMT. GDF10-inhibited EMT is mediated by ERK signaling but not by typical TGF-β signaling. In addition, overexpression of GDF10 promotes DNA damage-induced apoptosis and sensitizes the response to all-trans retinoic acid (ATRA) and camptothecin (CPT). Intriguingly, the expression of GDF10 is induced by type III TGF-β receptor (TGFBR3) through TGF-β-SMAD2/3 signaling. Our findings suggest that TGFBR3 is an upstream activator of GDF10 expression and they share the same signaling to inhibit EMT and migration/invasion. These results support that GDF10 acts as a hinge to collaborate with TGFBR3 in the transition of EMT-MET program. Taken together, we illustrated the clinical significance and the molecular mechanisms of tumor-suppressive GDF10 in OSCC.
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Affiliation(s)
- Chieh-Wen Cheng
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - Jenn-Ren Hsiao
- Department of Otolaryngology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chi-Chen Fan
- Department of Physiology, Mackay Memorial Hospital, Taipei, Taiwan.,Department of Medical Laboratory Science and Biotechnology, Yuanpei University, Hsinchu, Taiwan
| | - Yu-Kang Lo
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - Chi-Yuan Tzen
- Department of Pathology, Mackay Memorial Hospital, Taipei, Taiwan
| | - Li-Wha Wu
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Yu Fang
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ann-Joy Cheng
- Department of Medical Biotechnology, Chang Gung University, Taoyuan, Taiwan
| | - Chung-Hsing Chen
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - I-Shou Chang
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - Shih Sheng Jiang
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan
| | - Jang-Yang Chang
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan.,Department of Internal Medicine, College of Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Alan Yueh-Luen Lee
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli, Taiwan.,Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
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48
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Ligaba SB, Khurana A, Graham G, Krawczyk E, Jablonski S, Petricoin EF, Glazer RI, Upadhyay G. Multifactorial analysis of conditional reprogramming of human keratinocytes. PLoS One 2015; 10:e0116755. [PMID: 25714835 PMCID: PMC4340869 DOI: 10.1371/journal.pone.0116755] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 12/12/2014] [Indexed: 02/07/2023] Open
Abstract
Co-culture of human primary epithelial cells with irradiated 3T3 fibroblast feeder cells (J2 cells) and the Rho kinase inhibitor Y-27632 (Y) allows for the unrestricted growth of cells of epithelial origin by the process termed conditional reprogramming. To better understand the nature of the signaling processes associated with conditionally reprogrammed cells, the effect of the two critical components of the co-culture conditions, J2 cells and Y, on the growth of human foreskin keratinocytes (HFKs) was evaluated by gene expression profiling, reverse-phase protein arrays and siRNA screening. J2 cells and Y acted cooperatively to down-regulate differentiation, and upregulate proliferation and cell adhesion, including increased pT308Akt and pERK, and reduced TGF-β pathway signaling. These findings establish a mechanistic basis for the unlimited growth potential of human epithelial cells that will be invaluable to assess the effect of genetic changes in pathologic tissues and their response to therapeutic agents.
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Affiliation(s)
- Segni B. Ligaba
- Department of Pathology, Georgetown University, Washington, DC, 20007, United States of America
| | - Anikita Khurana
- Department of Pathology, Georgetown University, Washington, DC, 20007, United States of America
| | - Garrett Graham
- Department of Oncology, Georgetown University, Washington, DC, 20007, United States of America
| | - Ewa Krawczyk
- Department of Pathology, Georgetown University, Washington, DC, 20007, United States of America
| | - Sandra Jablonski
- Department of Oncology, Georgetown University, Washington, DC, 20007, United States of America
- Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, United States of America
| | - Emanuel F. Petricoin
- Department of Molecular and Microbiology, George Mason University, Manassas, Virginia, 20110, United States of America
| | - Robert I. Glazer
- Department of Oncology, Georgetown University, Washington, DC, 20007, United States of America
- Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, United States of America
| | - Geeta Upadhyay
- Department of Pathology, Georgetown University, Washington, DC, 20007, United States of America
- Department of Oncology, Georgetown University, Washington, DC, 20007, United States of America
- Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, 20007, United States of America
- * E-mail:
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49
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Behnan J, Isakson P, Joel M, Cilio C, Langmoen IA, Vik-Mo EO, Badn W. Recruited brain tumor-derived mesenchymal stem cells contribute to brain tumor progression. Stem Cells 2014; 32:1110-23. [PMID: 24302539 DOI: 10.1002/stem.1614] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Revised: 10/04/2013] [Accepted: 10/23/2013] [Indexed: 11/08/2022]
Abstract
The identity of the cells that contribute to brain tumor structure and progression remains unclear. Mesenchymal stem cells (MSCs) have recently been isolated from normal mouse brain. Here, we report the infiltration of MSC-like cells into the GL261 murine glioma model. These brain tumor-derived mesenchymal stem cells (BT-MSCs) are defined with the phenotype (Lin-Sca-1+CD9+CD44+CD166+/-) and have multipotent differentiation capacity. We show that the infiltration of BT-MSCs correlates to tumor progression; furthermore, BT-MSCs increased the proliferation rate of GL261 cells in vitro. For the first time, we report that the majority of GL261 cells expressed mesenchymal phenotype under both adherent and sphere culture conditions in vitro and that the non-MSC population is nontumorigenic in vivo. Although the GL261 cell line expressed mesenchymal phenotype markers in vitro, most BT-MSCs are recruited cells from host origin in both wild-type GL261 inoculated into green fluorescent protein (GFP)-transgenic mice and GL261-GFP cells inoculated into wild-type mice. We show the expression of chemokine receptors CXCR4 and CXCR6 on different recruited cell populations. In vivo, the GL261 cells change marker profile and acquire a phenotype that is more similar to cells growing in sphere culture conditions. Finally, we identify a BT-MSC population in human glioblastoma that is CD44+CD9+CD166+ both in freshly isolated and culture-expanded cells. Our data indicate that cells with MSC-like phenotype infiltrate into the tumor stroma and play an important role in tumor cell growth in vitro and in vivo. Thus, we suggest that targeting BT-MSCs could be a possible strategy for treating glioblastoma patients.
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Affiliation(s)
- Jinan Behnan
- Vilhelm Magnus Laboratory, Institute for Surgical Research, CAST-Cancer Stem Cell Innovation Center and Norwegian Center for Stem Cell Research, Oslo University Hospital, Oslo, Norway; Glioma Immunotherapy Group, Institute for Clinical Sciences, Department of Neurosurgery, Lund University, Lund, Sweden
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50
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De Mey JR, Freund JN. Understanding epithelial homeostasis in the intestine: An old battlefield of ideas, recent breakthroughs and remaining controversies. Tissue Barriers 2014; 1:e24965. [PMID: 24665395 PMCID: PMC3879175 DOI: 10.4161/tisb.24965] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 05/04/2013] [Accepted: 05/07/2013] [Indexed: 12/14/2022] Open
Abstract
The intestinal epithelium constitutes the barrier between the gut lumen and the rest of the body and a very actively renewing cell population. The crypt/villus and crypt/cuff units of the mouse small intestine and colon are its basic functional units. The field is confronted with competing concepts with regard to the nature of the cells that are responsible for all the day-to day cell replacement and those that act to regenerate the tissue upon injury and with two diametrically opposed models for lineage specification. The review revisits groundbreaking pioneering studies to provide non expert readers and crypt watchers with a factual analysis of the origins of the current models deduced from the latest spectacular advances. It also discusses recent progress made by addressing these issues in the crypts of the colon, which need to be better understood, since they are the preferred sites of major pathologies.
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Affiliation(s)
- Jan R De Mey
- CNRS, UMR 7213; Laboratoire de Biophotonique et Pharmacologie; Illkirch, France ; Université de Strasbourg; Strasbourg, France
| | - Jean-Noël Freund
- Université de Strasbourg; Strasbourg, France ; INSERM_U113; Strasbourg, France ; Fédération de Médecine Translationnelle; Strasbourg, France
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