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Purrahman D, Mahmoudian-Sani MR, Saki N, Wojdasiewicz P, Kurkowska-Jastrzębska I, Poniatowski ŁA. Involvement of progranulin (PGRN) in the pathogenesis and prognosis of breast cancer. Cytokine 2022; 151:155803. [DOI: 10.1016/j.cyto.2022.155803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/26/2021] [Accepted: 01/09/2022] [Indexed: 12/19/2022]
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2
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Binișor I, Baniță IM, Alexandru D, Mehedinți MC, Jurja S, Andrei AM, Pisoschi CG. Progranulin: A proangiogenic factor in visceral adipose tissue in tumoral and non-tumoral visceral pathology. Exp Ther Med 2021; 22:1337. [PMID: 34630691 PMCID: PMC8495564 DOI: 10.3892/etm.2021.10772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 08/23/2021] [Indexed: 11/10/2022] Open
Abstract
The connection between central obesity and the development and metastasis of various visceral tumors is largely accepted and one of the main causes seems to be the local synthesis of proangiogenic molecules. Progranulin (PRG), recently identified as an adipokine, is a novel pleiotropic growth factor acting on the proliferation and development of fast-growing epithelial cells, cancer cells, and also a proangiogenic factor whose expression is induced in activated endothelial cells. One of the molecules that seems to trigger the angiogenic activity of PRG is vascular endothelial growth factor (VEGF). Two groups of human subjects were considered and adipose tissue was processed for an immunohistochemical and morphometric study after surgery for abdominal tumoral or non-tumoral pathology. The presence of PRG in adipose pads of the omentum was analyzed and its association with VEGF, CD34 and collagen IV in tumoral and non-tumoral visceral pathology was examined. The results showed that PRG but not VEGF expression was upregulated in adipose tissue in tumoral visceral pathology. In conclusion, the involvement of the proangiogenic activity of PRG and VEGF in adipose tissue under tumor conditions may be dependent on the visceral tumor type.
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Affiliation(s)
- Ioana Binișor
- Department of Histology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Ileana Monica Baniță
- Department of Histology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Dragoș Alexandru
- Department of Medical Informatics and Biostatistics, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | | | - Sanda Jurja
- Department of Ophthalmology, ‘Ovidius’ University of Constanta, 900470 Constanta, Romania
| | - Ana-Marina Andrei
- Department of Biochemistry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
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Zhou C, Huang Y, Wu J, Wei Y, Chen X, Lin Z, Nie S. A narrative review of multiple mechanisms of progranulin in cancer: a potential target for anti-cancer therapy. Transl Cancer Res 2021; 10:4207-4216. [PMID: 35116716 PMCID: PMC8798827 DOI: 10.21037/tcr-20-2972] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 07/30/2021] [Indexed: 12/14/2022]
Abstract
Progranulin (PGRN) is an autocrine growth factor and has important effects on regulation of cell growth, motility, tissue repair and embryonic development. Recent years, several researches found the expression of PGRN was at higher levels in a number of cancer cells and its high levels are associated with poor outcome of patients. More and more studies investigated the role of PGRN in cancer and found PGRN exerted various biological functions in cancer cells, such as promoting proliferation, inhibiting apoptosis, inducing migration and invasion of cells, accelerating angiogenesis and enhancing the effectiveness of chemoresistance and radiation. Now the effects of PGRN have been demonstrated in several cancers, including breast cancer, lung cancer, and bladder cancer. In addition, several signaling pathways and molecules are involved in the effects of PGRN on cancer cells, including Akt, mitogen-activated protein kinase (MAPK), vascular endothelial growth factor (VEGF) and cyclin D1. Therefore, PGRN is probably a significant diagnostic and prognostic biomarker for cancer and may be a potential target for anti-cancer therapy. Here, we reviewed the advancing field of PGRN in cancer as well as several signaling pathways activated by PGRN and confirmed PGRN is a key role in cancer. Moreover, future studies are still necessary to elucidate the biological functions and signaling pathways of PGRN in cancer.
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Affiliation(s)
- Chenhui Zhou
- Department of Neurosurgery, Ningbo First Hospital, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, China
| | - Yi Huang
- Department of Neurosurgery, Ningbo First Hospital, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, China
| | - Jingmi Wu
- Department of Neurosurgery, Ningbo First Hospital, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, China
| | - Yiting Wei
- Department of Neurosurgery, Ningbo First Hospital, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, China
| | - Xiaosheng Chen
- Department of Neurosurgery, Ningbo First Hospital, Ningbo University School of Medicine, Ningbo, China
| | - Zhiqing Lin
- Department of Neurosurgery, Ningbo First Hospital, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, China
| | - Sheng Nie
- Department of Neurosurgery, Ningbo First Hospital, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, China
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Berger K, Rhost S, Rafnsdóttir S, Hughes É, Magnusson Y, Ekholm M, Stål O, Rydén L, Landberg G. Tumor co-expression of progranulin and sortilin as a prognostic biomarker in breast cancer. BMC Cancer 2021; 21:185. [PMID: 33618683 PMCID: PMC7898426 DOI: 10.1186/s12885-021-07854-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 01/28/2021] [Indexed: 12/09/2022] Open
Abstract
Background The growth factor progranulin has been implicated in numerous biological processes such as wound healing, inflammation and progressive tumorigenesis. Both progranulin and its receptor sortilin are known to be highly expressed in subgroups of breast cancer and have been associated with various clinical properties including tamoxifen resistance. Recent data further suggest that progranulin, via its receptor sortilin, drives breast cancer stem cell propagation in vitro and increases metastasis formation in an in vivo breast cancer xenograft model. In this retrospective biomarker analysis, we aimed to determine whether tumor co-expression of progranulin and sortilin has prognostic and treatment predictive values for breast cancer patients. Methods We explored how co-expression of progranulin and sortilin was associated with established clinical markers by analyzing a tissue microarray including 560 randomized premenopausal breast cancer patients receiving either 2 years of tamoxifen treatment or no adjuvant treatment, with a median follow-up time of 28 years. Breast cancer-specific survival was analyzed using Kaplan-Meier and Cox Proportional Hazards regression models to assess the prognostic and predictive value of progranulin and sortilin in relation to known clinical markers. Results Co-expression of progranulin and sortilin was observed in 20% of the breast cancer samples. In untreated patients, prognostic considerations could be detailed separately from treatment prediction and the high progranulin and sortilin expressing subgroup was significantly associated with breast cancer-specific death in multivariable analyses (HR=2.188, CI: 1.317–3.637, p=0.003) along with tumor size, high tumor grade and lymph node positivity. When comparing the untreated patients with tamoxifen treated patients in the ERα positive subgroup, co-expression of progranulin and sortilin was not linked to tamoxifen resistance. Conclusion Data suggest that co-expression of progranulin and its receptor sortilin is a novel prognostic biomarker combination identifying a highly malignant subgroup of breast cancer. Importantly, this subpopulation could potentially be targeted with anti-sortilin based therapies. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-07854-0.
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Affiliation(s)
- Karoline Berger
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-13 90, Gothenburg, Sweden
| | - Sara Rhost
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-13 90, Gothenburg, Sweden
| | - Svanheiður Rafnsdóttir
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-13 90, Gothenburg, Sweden.,Present address: Department of Surgery, National University Hospital of Iceland, 13-A Hringbraut, Reykjavik, Iceland
| | - Éamon Hughes
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-13 90, Gothenburg, Sweden
| | - Ylva Magnusson
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-13 90, Gothenburg, Sweden
| | - Maria Ekholm
- Department of Oncology, Region Jönköping County, Jönköping, Sweden.,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.,Department of Clinical Sciences, Division of Oncology and Pathology, Lund University, Lund, Sweden
| | - Olle Stål
- Department of Oncology, Region Jönköping County, Jönköping, Sweden.,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Lisa Rydén
- Department of Clinical Sciences, Division of Oncology and Pathology, Lund University, Lund, Sweden
| | - Göran Landberg
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Center for Cancer Research, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-13 90, Gothenburg, Sweden.
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Voshtani R, Song M, Wang H, Li X, Zhang W, Tavallaie MS, Yan W, Sun J, Wei F, Ma X. Progranulin promotes melanoma progression by inhibiting natural killer cell recruitment to the tumor microenvironment. Cancer Lett 2019; 465:24-35. [PMID: 31491449 DOI: 10.1016/j.canlet.2019.08.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/23/2019] [Accepted: 08/30/2019] [Indexed: 12/20/2022]
Abstract
Progranulin (PGRN) is a growth factor with significant biological effects in different types of cancer. However, its role in melanoma progression has not been explored. In this study, we first analyze clinical datasets and show that high PGRN expression levels are correlated with poor prognosis of melanoma patients. Further, we demonstrate in a transplanted murine melanoma model in which the endogenous Grn gene encoding PGRN has been deleted that tumor-derived, not host-derived PGRN, promotes melanoma growth and metastasis. Immunological analyses reveal an enhanced infiltration of natural killer cells, but not T lymphocytes, into PGRN-deficient tumors compared to the wild type control. Antibody-mediated depletion confirms the critical role of NK cells in controlling B16 tumor growth. RNA-seq analysis reveals that several chemokines including CCL5 are strongly upregulated in PGRN-deficient tumor. Silencing CCL5 expression in PGRN-deficient tumor reduces NK cell recruitment and restores tumor growth to the control level. Lastly, we show that PGRN inhibits Ccl5 gene expression at the transcriptional level. This study highlights a novel and critical role of PGRN in melanoma growth and metastasis and suggests that it may represent a potential therapeutic target.
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Affiliation(s)
- Ramouna Voshtani
- State Key Laboratory of Microbial Metabolism, Sheng Yushou Center of Cell Biology and Immunology, School of Life Science and Biotechnology, Shanghai Jiaotong University, Shanghai, China
| | - Mei Song
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, USA
| | - Huan Wang
- State Key Laboratory of Microbial Metabolism, Sheng Yushou Center of Cell Biology and Immunology, School of Life Science and Biotechnology, Shanghai Jiaotong University, Shanghai, China
| | - Xiaoqi Li
- State Key Laboratory of Microbial Metabolism, Sheng Yushou Center of Cell Biology and Immunology, School of Life Science and Biotechnology, Shanghai Jiaotong University, Shanghai, China
| | - Wei Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Mojdeh S Tavallaie
- Department of Pharmaceutical Sciences, Shanghai Jiaotong University, Shanghai, 200240, China
| | - Wenjun Yan
- State Key Laboratory of Microbial Metabolism, Sheng Yushou Center of Cell Biology and Immunology, School of Life Science and Biotechnology, Shanghai Jiaotong University, Shanghai, China
| | - Joseph Sun
- Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, USA
| | - Fang Wei
- State Key Laboratory of Microbial Metabolism, Sheng Yushou Center of Cell Biology and Immunology, School of Life Science and Biotechnology, Shanghai Jiaotong University, Shanghai, China.
| | - Xiaojing Ma
- State Key Laboratory of Microbial Metabolism, Sheng Yushou Center of Cell Biology and Immunology, School of Life Science and Biotechnology, Shanghai Jiaotong University, Shanghai, China; Department of Microbiology and Immunology, Weill Cornell Medicine, New York, USA.
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Rhost S, Hughes É, Harrison H, Rafnsdottir S, Jacobsson H, Gregersson P, Magnusson Y, Fitzpatrick P, Andersson D, Berger K, Ståhlberg A, Landberg G. Sortilin inhibition limits secretion-induced progranulin-dependent breast cancer progression and cancer stem cell expansion. Breast Cancer Res 2018; 20:137. [PMID: 30454027 PMCID: PMC6245804 DOI: 10.1186/s13058-018-1060-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 10/08/2018] [Indexed: 12/26/2022] Open
Abstract
Background Cancer progression is influenced by genetic aberrations in the cancer cell population as well as by other factors including the microenvironment present within a tumour. Direct interactions between various cell types as well as cellular signalling via secreted cytokines can drive key tumourigenic properties associated with disease progression and treatment resistance. Also, cancer stem cell functions are influenced by the microenvironment. This challenging subset of cells has been linked to malignant properties. Within a screen, using in vivo like growth conditions, we identified progranulin as a highly secreted cytokine affecting cancer stem cells in breast cancer. This cytokine is known to play a role in numerous biological and tumour-related processes including therapy resistance in a range of cancer types. Methods Different in vitro and in vivo relevant conditions were used to validate breast cancer stem cell expansion mediated by progranulin and its receptor sortilin. Small interfering ribonucleic acid (siRNA) and pharmacological inhibition of sortilin were used to elucidate the role of sortilin as a functional receptor during progranulin-induced breast cancer stem cell propagation, both in vitro and in vivo, using breast cancer xenograft models. In addition, single-cell gene expression profiling as well as a Sox2 reporter breast cancer cell line were used to validate the role of dedifferentiation mediated by progranulin. Results In various in vivo-like screening assays, progranulin was identified as a potent cancer stem cell activator, highly secreted in ERα-negative breast cancer as well as in ERα-positive breast cancer under hypoxic adaptation. Progranulin exposure caused dedifferentiation as well as increased proliferation of the cancer stem cell pool, a process that was shown to be dependent on its receptor sortilin. Subcutaneous injections of progranulin or its active domain (GRN A) induced lung metastases in breast cancer xenograft models, supporting a major role for progranulin in cancer progression. Importantly, an orally bioavailable small molecule (AF38469) targeting sortilin, blocked GRN A-induced lung metastases and prevented cancer cell infiltration of the skin. Conclusion The collective results suggest that sortilin targeting represents a potential novel breast cancer therapy approach inhibiting tumour progression driven by secretion and microenvironmental influences. Electronic supplementary material The online version of this article (10.1186/s13058-018-1060-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sara Rhost
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Éamon Hughes
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Hannah Harrison
- Division of Molecular and Clinical Cancer Sciences, Manchester Cancer Research Centre, University of Manchester, Wilmslow Road, Manchester, M20 4QL, UK.,Shore Lab, Faculty of Life Sciences, University of Manchester, Michael Smith Building, Oxford Road, Manchester, M13 9PT, UK
| | - Svanheidur Rafnsdottir
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Department of Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden.,Institute of Clinical Sciences, Sahlgrenska Academy, Gothenburg, Sweden
| | - Hanna Jacobsson
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Pernilla Gregersson
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Ylva Magnusson
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Paul Fitzpatrick
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Daniel Andersson
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Karoline Berger
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden
| | - Anders Ståhlberg
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden.,Department of Clinical Pathology and Genetics, Sahlgrenska University Hospital, 413 45, Gothenburg, Sweden
| | - Göran Landberg
- Department of Pathology and Genetics, Institute of Biomedicine, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden. .,Division of Molecular and Clinical Cancer Sciences, Manchester Cancer Research Centre, University of Manchester, Wilmslow Road, Manchester, M20 4QL, UK.
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Methods to Investigate the Roles of Progranulin in Angiogenesis Using In Vitro Strategies and Transgenic Mouse Models. Methods Mol Biol 2018; 1806:329-360. [PMID: 29956286 DOI: 10.1007/978-1-4939-8559-3_22] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Endothelial cells activate the expression of progranulin during angiogenesis. Here we discuss methods to investigate progranulin activity on endothelial cells in vitro and on aortic explants. We then discuss methods to generate transgenic mice in which progranulin expression is targeted to endothelial cells. These mice can be used to study the influence of progranulin on angiogenesis during development in vivo. The transgenic strategy summarized here could be readily adapted to investigate the roles of progranulin in other cell types and tissues by use of appropriate targeting vectors to drive the expression of progranulin in the cell type of choice.
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Abella V, Pino J, Scotece M, Conde J, Lago F, Gonzalez-Gay MA, Mera A, Gómez R, Mobasheri A, Gualillo O. Progranulin as a biomarker and potential therapeutic agent. Drug Discov Today 2017. [DOI: 10.1016/j.drudis.2017.06.006] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Li J, Ping JL, Ma B, Chen YR, Li LQ. Deregulation of miR-126-3p in basal-like breast cancers stroma and its clinical significance. Pathol Res Pract 2017; 213:922-928. [PMID: 28687161 DOI: 10.1016/j.prp.2017.05.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 05/19/2017] [Accepted: 05/25/2017] [Indexed: 01/22/2023]
Abstract
INTRODUCTION The aim of this study was to investigate miR-126-3p expression in stroma and tumor cells of basal-like breast cancer tissues, in an effort to elucidate the potential effect of miR-126-3p on tumor microenvironment and progress of basal-like breast cancer. METHODS Expression levels of miR-126-3p in 33 paired basal-like breast cancer tissues were assayed by real-time quantitative PCR. Tumor cells and normal epithelial cell were isolated from ten paired basal-like breast cancer tissues and matched adjacent tissues, separately, using laser capture microdissect(LCM)-based PCR method. Further validated in larger sets were assayed by tissue microarrays (TMA)-based ISH method. RESULTS MiR-126-3p expression level had no significant differences between basal-like breast cancer subtypes and matched adjacent tissues. However, a decreasing trend of miR-126-3p expression can be found in tumor cells of basal-like subtype, compared with matched adjacent tissues, using LCM-based PCR. Using TMA method, miR-126-3p expression level was the lowest in stroma of basal-like breast cancers among four subtypes (χ2=10.55, P=0.01), and was increasing in stroma of breast cancers compared with fibroadenomas. Furthermore, strong miR-126-3p expression in stroma is significantly associated with HER-2 expression (χ2=4.70, P=0.03) and Ki-67 index. (χ2=4.84, P=0.03), which suggested a potential prognostic value of miR-126-3p in stroma of breast cancer. However, miR-126-3p expression in tumor cells derived from different subtypes hadn't significant clinical values in this study. CONCLUSIONS the miR-126-3p expression level in breast cancer stroma was associated with different intrinsic subtypes and its correlation with hormone receptor and Ki-67 index shed light on the potential clinical prognostic value of miR-126-3p, in the field of specific breast cancer subtypes.
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Affiliation(s)
- Jing Li
- Huzhou Key Laboratory of Molecular Medicine, Huzhou Central Hospital Affiliated with Zhejiang University, Huzhou, 313000, China
| | - Jin Liang Ping
- Department of Pathology, Huzhou Central Hospital Affiliated with Zhejiang University, Huzhou, 313000, China
| | - Bo Ma
- Department of Surgery, Zhejiang Hospital, Hangzhou, 313000, China
| | - Ying Rong Chen
- Huzhou Key Laboratory of Molecular Medicine, Huzhou Central Hospital Affiliated with Zhejiang University, Huzhou, 313000, China
| | - Li Qin Li
- Huzhou Key Laboratory of Molecular Medicine, Huzhou Central Hospital Affiliated with Zhejiang University, Huzhou, 313000, China.
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10
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Novel insight into triple-negative breast cancers, the emerging role of angiogenesis, and antiangiogenic therapy. Expert Rev Mol Med 2016; 18:e18. [DOI: 10.1017/erm.2016.17] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Triple-negative breast cancer (TNBC) is a heterogeneous group of tumours characterised by lack of expression of oestrogen-, progesterone- and human epidermal growth factor receptors. TNBC, which represents approximately 15% of all mammary tumours, has a poor prognosis because of an aggressive behaviour and the lack of specific treatment. Accordingly, TNBC has become a major focus of research into breast cancer and is now classified into several molecular subtypes, each with a different prognosis. Pathological angiogenesis occurs at a late stage in the proliferation of TNBC and is associated with invasion and metastasis; there is an association with metabolic syndrome. Semaphorins are a versatile family of proteins with multiple roles in angiogenesis, tumour growth and metastasis and may represent a clinically useful focus for therapeutic targeting in this type of breast cancer. Another important field of investigation into the control of pathological angiogenesis is related to the expression of noncoding RNA (ncRNA) – these molecules can be considered as a therapeutic target or as a biomarker. Several molecular agents for intervening in the activity of different signalling pathways are being explored in TNBC, but none has so far proved effective in clinical trials and the disease continues to pose a defining challenge for clinical management as well as innovative cancer research.
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Progranulin Stimulates Proliferation of Mouse Pancreatic Islet Cells and Is Overexpressed in the Endocrine Pancreatic Tissue of an MEN1 Mouse Model. Pancreas 2016; 45:533-40. [PMID: 26495792 DOI: 10.1097/mpa.0000000000000509] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Progranulin (PGRN) promotes cell growth and cell cycle progression in several cell types and contributes to tumorigenesis in diverse cancers. We have recently reported PGRN expression in islets and tumors developed in an MEN1 transgenic mouse. Here we sought to investigate PGRN expression and regulation after exposure to hypoxia as well as its effects on pancreatic islet cells and neuroendocrine tumors (NETs) in MEN1(+/−) mice. METHODS Gene and protein expression were analyzed by quantitative polymerase chain reaction, immunohistochemistry, and Western blot. We also investigated PGRN expression in samples from patients carrying pancreatic NETs associated or not with the multiple endocrine neoplasia 1 syndrome, using enzyme-linked immunosorbent assay and immunohistochemistry analysis. RESULTS Progranulin is upregulated in tumors and islets of the MEN1 mouse as well as in the serum of patients with pancreatic NETs associated with glucagonoma syndrome. In normal mice islets and pancreatic tumors, PGRN expression was strongly potentiated by hypoxia. Progranulin promotes cell proliferation in islet cells and βTC-6 cells, a process paralleled by activation of the mitogen-activated protein kinase signaling cascade. CONCLUSIONS Our findings identify PGRN as an effective inducer of pancreatic islet cell proliferation and a possible important factor for pancreatic endocrine tumor development.
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Chiorean R, Braicu C, Berindan-Neagoe I. Another review on triple negative breast cancer. Are we on the right way towards the exit from the labyrinth? Breast 2013; 22:1026-33. [PMID: 24063766 DOI: 10.1016/j.breast.2013.08.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Revised: 08/06/2013] [Accepted: 08/30/2013] [Indexed: 12/29/2022] Open
Abstract
Triple negative breast cancer is a heterogeneous group of tumors, lacking the expression of estrogen, progesterone and HER-2 receptors. As frequency, it accounts about 15-20% of all breast cancers. Although in the last years there was a "boom" in publishing over this issue, multiple molecular classifications being elaborated, "the triple negative breast cancer odyssey " is still far away from ending, as the complicated molecular pathways of pathogenesis and drug resistance mechanisms remain yet insufficiently explored. The aim of this review is presentation of molecular signatures that could predict outcome and drug resistance in triple negative breast cancer.
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Affiliation(s)
- Roxana Chiorean
- Clinical University Hospital of Dermatovenereology, Cluj-Napoca, Romania; Department of Dermatology, University of Freiburg, Freiburg, Germany; Department of Functional Genomics and Experimental Pathology, The Oncological Institute - Prof. Dr. Ion Chiricuta, Cluj-Napoca, Romania
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13
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Toh H, Cao M, Daniels E, Bateman A. Expression of the growth factor progranulin in endothelial cells influences growth and development of blood vessels: a novel mouse model. PLoS One 2013; 8:e64989. [PMID: 23741441 PMCID: PMC3669103 DOI: 10.1371/journal.pone.0064989] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Accepted: 04/19/2013] [Indexed: 12/24/2022] Open
Abstract
Progranulin is a secreted glycoprotein that regulates cell proliferation, migration and survival. It has roles in development, tumorigenesis, wound healing, neurodegeneration and inflammation. Endothelia in tumors, wounds and placenta express elevated levels of progranulin. In culture, progranulin activates endothelial proliferation and migration. This suggested that progranulin might regulate angiogenesis. It was, however, unclear how elevated endothelial progranulin levels influence vascular growth in vivo. To address this issue, we generated mice with progranulin expression targeted specifically to developing endothelial cells using a Tie2-promoter/enhancer construct. Three Tie2-Grn mouse lines were generated with varying Tie2-Grn copy number, and were called GrnLo, GrnMid, and GrnHi. All three lines showed increased mortality that correlates with Tie2-Grn copy number, with greatest mortality and lowest germline transmission in the GrnHi line. Death of the transgenic animals occurred around birth, and continued for three days after birth. Those that survived beyond day 3 survived into adulthood. Transgenic neonates that died showed vascular abnormalities of varying severity. Some exhibited bleeding into body cavities such as the pericardial space. Smaller localized hemorrhages were seen in many organs. Blood vessels were often dilated and thin-walled. To establish the development of these abnormalities, we examined mice at early (E10.5-14.5) and later (E15.5-17.5) developmental phases. Early events during vasculogenesis appear unaffected by Tie2-Grn as apparently normal primary vasculature had been established at E10.5. The earliest onset of vascular abnormality was at E15.5, with focal cerebral hemorrhage and enlarged vessels in various organs. Aberrant Tie2-Grn positive vessels showed thinning of the basement membrane and reduced investiture with mural cells. We conclude that progranulin promotes exaggerated vessel growth in vivo, with subsequent effects in the formation of the mural cell layer and weakening of vessel integrity. These results demonstrate that overexpression of progranulin in endothelial cells influences normal angiogenesis in vivo.
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Affiliation(s)
- Huishi Toh
- Division of Endocrinology and Metabolism, Department of Medicine, Royal Victoria Hospital, McGill University Health Center, Montreal, Quebec, Canada
| | - Mingju Cao
- Division of Endocrinology and Metabolism, Department of Medicine, Royal Victoria Hospital, McGill University Health Center, Montreal, Quebec, Canada
| | - Eugene Daniels
- Department of Anatomy and Cell Biology, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Andrew Bateman
- Division of Endocrinology and Metabolism, Department of Medicine, Royal Victoria Hospital, McGill University Health Center, Montreal, Quebec, Canada
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