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Martín-Leyva A, Peinado FM, Ocón-Hernández O, Olivas-Martínez A, Luque A, León J, Lendínez I, Cardona J, Lara-Ramos A, Olea N, Fernández MF, Artacho-Cordón F. Environmental Exposure to Persistent Organic Pollutants and Its Association with Endometriosis Risk: Implications in the Epithelial-Mesenchymal Transition Process. Int J Mol Sci 2024; 25:4420. [PMID: 38674005 PMCID: PMC11050161 DOI: 10.3390/ijms25084420] [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: 03/22/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
We aimed to explore the relationship of adipose tissue concentrations of some persistent organic pollutants (POPs) with the risk of endometriosis and the endometriotic tissue expression profile of genes related to the endometriosis-related epithelial-mesenchymal transition (EMT) process. This case-control study enrolled 109 women (34 cases and 75 controls) between January 2018 and March 2020. Adipose tissue samples and endometriotic tissues were intraoperatively collected to determine concentrations of nine POPs and the gene expression profiles of 36 EMT-related genes, respectively. Associations of POPs with endometriosis risk were explored with multivariate logistic regression, while the relationship between exposure and gene expression profiles was assessed through Spearman correlation or Mann-Whitney U tests. After adjustment, increased endometriosis risk was associated with p,p'-DDT, PCB-180, and ΣPCBs. POP exposure was also associated with reduced gene expression levels of the CLDN7 epithelial marker and increased levels of the ITGB2 mesenchymal marker and a variety of EMT promoters (HMGA1, HOXA10, FOXM1, DKK1, CCR1, TNFRSF1B, RRM2, ANG, ANGPT1, and ESR1). Our findings indicate that exposure to POPs may increase the risk of endometriosis and might have a role in the endometriosis-related EMT development, contributing to the disease onset and progression. Further studies are warranted to corroborate these findings.
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Affiliation(s)
- Ana Martín-Leyva
- Radiology and Physical Medicine Department, University of Granada, E-18016 Granada, Spain; (A.M.-L.); (N.O.); (M.F.F.)
| | - Francisco M. Peinado
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Centre for Biomedical Research, University of Granada, E-18016 Granada, Spain
| | - Olga Ocón-Hernández
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Gynaecology and Obstetrics Unit, ‘San Cecilio’ University Hospital, E-18016 Granada, Spain;
| | - Alicia Olivas-Martínez
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Centre for Biomedical Research, University of Granada, E-18016 Granada, Spain
| | - Antonio Luque
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Centre for Biomedical Research, University of Granada, E-18016 Granada, Spain
| | - Josefa León
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Digestive Medicine Unit, ‘San Cecilio’ University Hospital, E-18012 Granada, Spain
- CIBER Hepatic and Digestive Diseases (CIBEREHD), E-28029 Madrid, Spain
| | | | - Jesús Cardona
- Gynaecology and Obstetrics Unit, ‘San Cecilio’ University Hospital, E-18016 Granada, Spain;
| | - Ana Lara-Ramos
- Gynaecology and Obstetrics Unit, ‘Virgen de las Nieves’ University Hospital, E-18014 Granada, Spain;
| | - Nicolás Olea
- Radiology and Physical Medicine Department, University of Granada, E-18016 Granada, Spain; (A.M.-L.); (N.O.); (M.F.F.)
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Centre for Biomedical Research, University of Granada, E-18016 Granada, Spain
- CIBER Epidemiology and Public Health (CIBERESP), E-28029 Madrid, Spain
- Nuclear Medicine Unit, ‘San Cecilio’ University Hospital, E-18016 Granada, Spain
| | - Mariana F. Fernández
- Radiology and Physical Medicine Department, University of Granada, E-18016 Granada, Spain; (A.M.-L.); (N.O.); (M.F.F.)
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Centre for Biomedical Research, University of Granada, E-18016 Granada, Spain
- CIBER Epidemiology and Public Health (CIBERESP), E-28029 Madrid, Spain
| | - Francisco Artacho-Cordón
- Radiology and Physical Medicine Department, University of Granada, E-18016 Granada, Spain; (A.M.-L.); (N.O.); (M.F.F.)
- Biohealth Research Institute in Granada (ibs.GRANADA), E-18012 Granada, Spain; (F.M.P.); (O.O.-H.); (A.O.-M.); (A.L.); (J.L.)
- Centre for Biomedical Research, University of Granada, E-18016 Granada, Spain
- CIBER Epidemiology and Public Health (CIBERESP), E-28029 Madrid, Spain
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Kosykh AV, Tereshina MB, Gurskaya NG. Potential Role of AGR2 for Mammalian Skin Wound Healing. Int J Mol Sci 2023; 24:ijms24097895. [PMID: 37175601 PMCID: PMC10178616 DOI: 10.3390/ijms24097895] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/22/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
The limited ability of mammals to regenerate has garnered significant attention, particularly in regard to skin wound healing (WH), which is a critical step for regeneration. In human adults, skin WH results in the formation of scars following injury or trauma, regardless of severity. This differs significantly from the scarless WH observed in the fetal skin of mammals or anamniotes. This review investigates the role of molecular players involved in scarless WH, which are lost or repressed in adult mammalian WH systems. Specifically, we analyze the physiological role of Anterior Gradient (AGR) family proteins at different stages of the WH regulatory network. AGR is activated in the regeneration of lower vertebrates at the stage of wound closure and, accordingly, is important for WH. Mammalian AGR2 is expressed during scarless WH in embryonic skin, while in adults, the activity of this gene is normally inhibited and is observed only in the mucous epithelium of the digestive tract, which is capable of full regeneration. The combination of AGR2 unique potencies in postnatal mammals makes it possible to consider it as a promising candidate for enhancing WH processes.
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Affiliation(s)
- Anastasiya V Kosykh
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Maria B Tereshina
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia
| | - Nadya G Gurskaya
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia
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3
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Xu HJ, Bai J, Tian Y, Feng X, Chen AP, Wang J, Wu J, Jin XR, Zhang F, Quan MY, Chen C, Lee KY, Zhang JS. ESE1/AGR2 axis antagonizes TGF-β-induced epithelial-mesenchymal transition in low-grade pancreatic cancer. Cancer Med 2023; 12:5979-5993. [PMID: 36329620 PMCID: PMC10028153 DOI: 10.1002/cam4.5397] [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: 08/25/2022] [Revised: 10/12/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Abstract
Epithelium-specific ETS transcription factor 1 (ESE1) has been implicated in epithelial homeostasis, inflammation, as well as tumorigenesis, and cancer progression. However, numerous studies have reported contradictory roles-as an oncogene or a tumor suppressor of ESE1 in different cancers, and its function in the development and progression of pancreatic ductal adenocarcinoma (PDAC) has remained largely unexplored. Herein, we report that ESE1 was found upregulated in primary PDAC compared to normal pancreatic tissue, but high expression of ESE1 correlated to better relapse-free survival in patients with PDAC. Interestingly, ESE1 was found to exhibit dual roles in regulation of malignant properties of PDAC cells in that its overexpression promoted cell proliferation, whereas its downregulation enhanced epithelial-mesenchymal transition (EMT) phenotype. In the context of TGF-β-induced EMT, ESE1 is markedly downregulated at post-transcriptional level, and reconstituted ESE1 expression partially reversed TGF-β-induced EMT marker expression. Furthermore, we identify AGR2 as a novel transcriptional target of ESE1 that participates in TGF-β-induced EMT in PDAC. Collectively, our findings reveal an ESE1/AGR2 axis that interacts with TGF-β signaling to modulate EMT phenotype in PDAC.
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Affiliation(s)
- Hui-Jing Xu
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
- College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju, Republic of Korea
| | - Jing Bai
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Ye Tian
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Xiao Feng
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Ai-Ping Chen
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Jie Wang
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Jin Wu
- International Collaborative Center on Growth Factor Research, and School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Xu-Ru Jin
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Zhejiang, China
| | - Feng Zhang
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Zhejiang, China
| | - Mei-Yu Quan
- Medical Research Center, and Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Chengshui Chen
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Zhejiang, China
| | - Kwang-Youl Lee
- College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju, Republic of Korea
| | - Jin-San Zhang
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Zhejiang, China
- Medical Research Center, and Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
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Zhang S, Liu Q, Wei Y, Xiong Y, Gu Y, Huang Y, Tang F, Ouyang Y. Anterior gradient-2 regulates cell communication by coordinating cytokine-chemokine signaling and immune infiltration in breast cancer. Cancer Sci 2023. [PMID: 36853166 DOI: 10.1111/cas.15775] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 03/01/2023] Open
Abstract
Anterior gradient-2 (AGR2) is crucial to breast cancer progression. However, its role in the tumor immune microenvironment remains unclear. RNA sequencing expression profiles and associated clinical information were downloaded from The Cancer Genome Atlas and Gene Expression Omnibus databases, respectively. The AGR2 expression patterns were verified using clinical samples of breast cancer. Based on single-cell transcriptomic data, AGR2 expression patterns were identified and cell communication analysis was carried out. Furthermore, the roles of AGR2 in breast tumor progression were explored by a series of functional experiments. We found that DNA methylation was an important mechanism for regulating the expression patterns of AGR2. Patients with AGR2 low expression displayed an immune "hot" and immunosuppressive phenotype characterized by high abundance of tumor immune cell infiltration and increased enrichment scores for transforming growth factor-β (TGF-β) and epithelial-mesenchymal transition pathways, whereas patients with AGR2 high expression showed an opposite immunologic feature with a lack of immune cell infiltration, suggestive of an immune "cold" and desert phenotype. Moreover, single-cell analysis further revealed that AGR2 in malignant cells alters cell-cell interactions by coordinating cytokine-chemokine signaling and immune infiltration. Notably, two immunotherapy cohorts revealed that AGR2-coexpressed genes could serve as prognostic indicators of patient survival. In conclusion, AGR2 could promote breast cancer progression by affecting the tumor immune microenvironment. Patients with AGR2 low expression could be suitable for combination treatment with immune checkpoint inhibitor agents and TGF-β blockers. Therefore, this study provides a theoretical foundation for developing a strategy for personalized immunotherapy to patients with breast cancer.
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Affiliation(s)
- Shichao Zhang
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, Guizhou Medical University, Guiyang, China
| | - Qin Liu
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, Guizhou Medical University, Guiyang, China
| | - Yimei Wei
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, Guizhou Medical University, Guiyang, China
| | - Yu Xiong
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, Guizhou Medical University, Guiyang, China
| | - Yan Gu
- Immune Cells and Antibody Engineering Research Center of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang, China
| | - Ya Huang
- Immune Cells and Antibody Engineering Research Center of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang, China
| | - Fuzhou Tang
- Key Laboratory of Infectious Immune and Antibody Engineering of Guizhou Province, Engineering Research Center of Cellular Immunotherapy of Guizhou Province, Guizhou Medical University, Guiyang, China
| | - Yan Ouyang
- Immune Cells and Antibody Engineering Research Center of Guizhou Province, Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang, China
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Zhang K, Li Y, Kong X, Lei C, Yang H, Wang N, Wang Z, Chang H, Xuan L. AGR2: a secreted protein worthy of attention in diagnosis and treatment of breast cancer. Front Oncol 2023; 13:1195885. [PMID: 37197416 PMCID: PMC10183570 DOI: 10.3389/fonc.2023.1195885] [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: 03/29/2023] [Accepted: 04/19/2023] [Indexed: 05/19/2023] Open
Abstract
AGR2 is a secreted protein widely existing in breast. In precancerous lesions, primary tumors and metastatic tumors, the expression of AGR2 is increased, which has aroused our interest. This review introduces the gene and protein structure of AGR2. Its endoplasmic reticulum retention sequence, protein disulfide isomerase active site and multiple protein binding sequences endow AGR2 with diverse functions inside and outside breast cancer cells. This review also enumerates the role of AGR2 in the progress and prognosis of breast cancer, and emphasizes that AGR2 can be a promising biomarker and a target for immunotherapy of breast cancer, providing new ideas for early diagnosis and treatment of breast cancer.
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Affiliation(s)
- Ke Zhang
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan Li
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiangyi Kong
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chuqi Lei
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Huaiyu Yang
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Nianchang Wang
- Department of Cancer Prevention, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhongzhao Wang
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- *Correspondence: Zhongzhao Wang, ; Hu Chang, ; Lixue Xuan,
| | - Hu Chang
- Administration Office, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- *Correspondence: Zhongzhao Wang, ; Hu Chang, ; Lixue Xuan,
| | - Lixue Xuan
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- *Correspondence: Zhongzhao Wang, ; Hu Chang, ; Lixue Xuan,
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Ci H, Wu L. Expression of KAI1 and AGR2 in lung adenocarcinoma and their clinicopathological significance. Medicine (Baltimore) 2022; 101:e32498. [PMID: 36595821 PMCID: PMC9794224 DOI: 10.1097/md.0000000000032498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE Anticancer 1 (KAI1, tumor metastasis suppressor gene) and Anterior gradient-2 (AGR2, considered a valuable prognostic factor for some cancers) are associated with metastasis and prognosis of various types of human cancers. Nevertheless, the relationship between KAI1 and AGR2 in lung adenocarcinoma (LUAD) remains unclear. In this research, we analyzed the correlations between KAI1 and AGR2 in LUAD, and explored their correlations with clinicopathological parameters and overall survival time (OS) in patients with LUAD. METHODS Immunohistochemical staining was used to detect KAI1 and AGR2 expression in 132 cases of LUAD samples. At the same time, all clinicopathological parameters and postoperative survival information were collected. RESULTS AGR2 positive rate was significantly increased and KAI1 positive rate was significantly decreased in LUAD and control tissues. KAI1 positive rates were negatively correlated with tumor stage, LNM stage and TNM stage, and KAI1 subgroup positive expression of OS was significantly higher than negative KAI1 subgroup. The positive rate of AGR2 was positively correlated with tumor grade, LNM stage and TNM stage, and negatively correlated with patients OS. Active expression of AGR2 and KAI1, tumor stage, and LNM stage in multivariate analyses may be independent prognostic factors for OS in LUAD patients. CONCLUSION KAI1 and AGR2 may be potential biomarkers for prognosis and metastasis, and they are also promising therapeutic targets for LUAD patients.
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Affiliation(s)
- Hongfei Ci
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui Province, China
| | - Ligao Wu
- Department of Pathology, Bengbu Medical College, Bengbu, Anhui Province, China
- *Correspondence: Ligao Wu, Department of Pathology, Bengbu Medical College, Bengbu 233000, Anhui Province, China (e-mail: )
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Lin CH, Chuang HN, Hsiao TH, Kumar VB, Hsu CH, Huang CY, Lee LW, Mao CL, Ko JL, Hsu CP. AGR2 expression as a predictive biomarker for therapy response in esophageal squamous cell carcinoma. PLoS One 2022; 17:e0276990. [PMID: 36327302 PMCID: PMC9632826 DOI: 10.1371/journal.pone.0276990] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Despite multidisciplinary therapy, the prognosis is poor for esophageal squamous cell carcinoma (ESCC). In the locally advanced stage, neoadjuvant chemoradiotherapy (nCRT) followed by surgery could provide survival benefits to some patients. Here, we aimed to identify for tumor therapy response a biomarker based on RNA sequencing. We collected endoscopic biopsies of 32 ESCC patients, who were divided according to nCRT response, into two groups: the complete response group (n = 13) and the non-complete response group (n = 19). RNA-sequencing data showed that 464 genes were differentially expressed. Increased in non-complete response group, 4 genes increased expressions were AGR2 (anterior gradient 2), GADD45B (growth arrest and DNA damage inducible beta), PPP1R15A (protein phosphatase 1 regulatory subunit 15A) and LRG1 (leucine rich alpha-2-glycoprotein 1). The areas under the curve (AUC) of the AGR2 gene was 0.671 according to read counts of RNA-seq and therapy response of nCRT. In vitro study showed that apoptosis cell was significantly increased in the AGR2-knockdown TE-2 cell line treated with cisplatin and 5-Fluorouracil (5-FU), when compared with si-control. Results suggest that in ESCC, the AGR2 gene is a promising and predictive gene marker for the response to anti-tumor therapy.
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Affiliation(s)
- Chih-Hung Lin
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Division of Thoracic Surgery, Department of Surgery, Taichung Veteran General Hospital, Taichung, Taiwan
| | - Han-Ni Chuang
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Tzu-Hung Hsiao
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Public Health, Fu Jen Catholic University, New Taipei City, Taiwan
- Institute of Genomics and Bioinformatics, National Chung Hsing University, Taichung, Taiwan
| | - V. Bharath Kumar
- Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung, Taiwan
| | - Chiung-Hung Hsu
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Chih-Yang Huang
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Li-Wen Lee
- Division of Thoracic Surgery, Department of Surgery, Taichung Veteran General Hospital, Taichung, Taiwan
| | - Chien-Lin Mao
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Jiunn-Liang Ko
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Medical Oncology and Chest Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
- * E-mail: (JLK); (CPH)
| | - Chung-Ping Hsu
- Division of Thoracic Surgery, Department of Surgery, Taichung Veteran General Hospital, Taichung, Taiwan
- Division of Thoracic Surgery, Department of Surgery, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
- * E-mail: (JLK); (CPH)
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Cessna H, Baritaki S, Zaravinos A, Bonavida B. The Role of RKIP in the Regulation of EMT in the Tumor Microenvironment. Cancers (Basel) 2022; 14:cancers14194596. [PMID: 36230521 PMCID: PMC9559516 DOI: 10.3390/cancers14194596] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/21/2022] [Accepted: 09/21/2022] [Indexed: 12/03/2022] Open
Abstract
Simple Summary Raf kinase inhibitor protein (RKIP) expression in cancer cells is significantly reduced and promoting cancer cells growth and invasiveness. Overexpresssion of RKIP has been reported to mediate pleiotropic anti-cancer activities including the inhibition of survival signaling pathways, sensitization to cell death by cytotoxic drugs, inhibition of invasion, EMT and metastasis. The molecular mechanism by which RKIP inhibits EMT is not clear. In this review, we have examined how RKIP inhibits the selected EMT gene products (Snail, vimentin, N-cadherin, laminin alpha) and found that it involves signaling cross-talks between RKIP and each of the EMT gene products. These findings were validated by bioinformatic analyses demonstrating in various human cancers a negative correlation between the expression of RKIP and the expression of the EMT gene products. These findings suggest that targeting RKIP induction in cancer cells will result in multiple hits by inhibiting tumor growth, metastasis and reversal of chemo-immuno resistance. Abstract The Raf Kinase Inhibitor Protein (RKIP) is a unique gene product that directly inhibits the Raf/Mek/Erk and NF-kB pathways in cancer cells and resulting in the inhibition of cell proliferation, viability, EMT, and metastasis. Additionally, RKIP is involved in the regulation of cancer cell resistance to both chemotherapy and immunotherapy. The low expression of RKIP expression in many cancer types is responsible, in part, for the pathogenesis of cancer and its multiple properties. The inhibition of EMT and metastasis by RKIP led to its classification as a tumor suppressor. However, the mechanism by which RKIP mediates its inhibitory effects on EMT and metastases was not clear. We have proposed that one mechanism involves the negative regulation by RKIP of the expression of various gene products that mediate the mesenchymal phenotype as well as the positive regulation of gene products that mediate the epithelial phenotype via signaling cross talks between RKIP and each gene product. We examined several EMT mesenchymal gene products such as Snail, vimentin, N-cadherin, laminin and EPCAM and epithelial gene products such as E-cadherin and laminin. We have found that indeed these negative and positive correlations were detected in the signaling cross-talks. In addition, we have also examined bioinformatic data sets on different human cancers and the findings corroborated, in large part, the findings observed in the signaling cross-talks with few exceptions in some cancer types. The overall findings support the underlying mechanism by which the tumor suppressor RKIP regulates the expression of gene products involved in EMT and metastasis. Hence, the development of agent that can selectively induce RKIP expression in cancers with low expressions should result in the activation of the pleiotropic anti-cancer activities of RKIP and resulting in multiple effects including inhibition of tumor cell proliferation, EMT, metastasis and sensitization of resistant tumor cells to respond to both chemotherapeutics and immunotherapeutics.
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Affiliation(s)
- Hannah Cessna
- Department of Microbiology, Immunology & Molecular Genetics, David Geffen School of Medicine, Jonsson Comprehensive Cancer Center, University of California at Los Angeles, Los Angeles, CA 90095, USA
| | - Stavroula Baritaki
- Laboratory of Experimental Oncology, Division of Surgery, School of Medicine, University of Crete, 71003 Heraklion, Greece
| | - Apostolos Zaravinos
- Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia 2404, Cyprus
- Basic and Translational Cancer Research Center (BTCRC), Cancer Genetics, Genomics and Systems Biology Laboratory, Nicosia 1516, Cyprus
| | - Benjamin Bonavida
- Department of Microbiology, Immunology & Molecular Genetics, David Geffen School of Medicine, Jonsson Comprehensive Cancer Center, University of California at Los Angeles, Los Angeles, CA 90095, USA
- Correspondence:
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Identification of AGR2 Gene-Specific Expression Patterns Associated with Epithelial-Mesenchymal Transition. Int J Mol Sci 2022; 23:ijms231810845. [PMID: 36142758 PMCID: PMC9504245 DOI: 10.3390/ijms231810845] [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: 07/13/2022] [Revised: 09/01/2022] [Accepted: 09/13/2022] [Indexed: 11/28/2022] Open
Abstract
The TGF-β signaling pathway is involved in numerous cellular processes, and its deregulation may result in cancer development. One of the key processes in tumor progression and metastasis is epithelial to mesenchymal transition (EMT), in which TGF-β signaling plays important roles. Recently, AGR2 was identified as a crucial component of the cellular machinery responsible for maintaining the epithelial phenotype, thereby interfering with the induction of mesenchymal phenotype cells by TGF-β effects in cancer. Here, we performed transcriptomic profiling of A549 lung cancer cells with CRISPR-Cas9 mediated AGR2 knockout with and without TGF-β treatment. We identified significant changes in transcripts associated with focal adhesion and eicosanoid production, in particular arachidonic acid metabolism. Changes in transcripts associated with the focal adhesion pathway were validated by RT-qPCR of COL4A1, COL4A2, FLNA, VAV3, VEGFA, and VINC mRNAs. In addition, immunofluorescence showed the formation of stress fibers and vinculin foci in cells without AGR2 and in response to TGF-β treatment, with synergistic effects observed. These findings imply that both AGR2 downregulation and TGF-β have a role in focal adhesion formation and cancer cell migration and invasion. Transcripts associated with arachidonic acid metabolism were downregulated after both AGR2 knockout and TGF-β treatment and were validated by RT-qPCR of GPX2, PTGS2, and PLA2G4A. Since PGE2 is a product of arachidonic acid metabolism, its lowered concentration in media from AGR2-knockout cells was confirmed by ELISA. Together, our results demonstrate that AGR2 downregulation and TGF-β have an essential role in focal adhesion formation; moreover, we have identified AGR2 as an important component of the arachidonic acid metabolic pathway.
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Jach D, Cheng Y, Prica F, Dumartin L, Crnogorac-Jurcevic T. From development to cancer - an ever-increasing role of AGR2. Am J Cancer Res 2021; 11:5249-5262. [PMID: 34873459 PMCID: PMC8640830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/07/2021] [Indexed: 06/13/2023] Open
Abstract
Anterior gradient 2, AGR2, is a small, 20 kDa protein that plays a vital role in oxidative protein folding in the endoplasmic reticulum. AGR2 is involved in several signal transduction pathways that are essential for cell survival. It was initially discovered in the African clawed frog, Xenopus laevis, where it plays an important function in embryonic development. Akin to several other developmental genes, it is also frequently deregulated in cancer, where it plays a decisive role in tumor initiation, progression and metastasis. In this review, we have summarized currently known AGR2 functions, its expression and function in embryonic and cancer development, as well as its potential as a candidate tumor biomarker and promising new target for cancer immunotherapy.
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Affiliation(s)
- Daria Jach
- Centre for Cancer Biomarkers and Biotherapeutics, Barts Cancer Institute, Queen Mary University of LondonLondon, UK
| | - Yuzhu Cheng
- Institute of Human Genetics, International Centre for Life, Newcastle UniversityNewcastle Upon Tyne, UK
| | - Filip Prica
- Medical Clinic and Polyclinic I, Basic and Translational Research, Department of Cardiology Basic and Translational ResearchMunich, Germany
| | - Laurent Dumartin
- Advanced Accelerator Applications, Novartis CompanyBoulogne-Billancourt, France
| | - Tatjana Crnogorac-Jurcevic
- Centre for Cancer Biomarkers and Biotherapeutics, Barts Cancer Institute, Queen Mary University of LondonLondon, UK
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Zhang H, Chi J, Hu J, Ji T, Luo Z, Zhou C, Huang L, Dai Z, Li J, Wang G, Wang L, Wang Z. Intracellular AGR2 transduces PGE2 stimuli to promote epithelial-mesenchymal transition and metastasis of colorectal cancer. Cancer Lett 2021; 518:180-195. [PMID: 34216690 DOI: 10.1016/j.canlet.2021.06.025] [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: 02/12/2021] [Revised: 06/02/2021] [Accepted: 06/29/2021] [Indexed: 01/01/2023]
Abstract
Human anterior gradient homolog 2 (AGR2) reportedly acts as an oncogene in multiple types of cancers. As a secreted protein, the oncogenic roles of extracellular AGR2 have been the focus of the increasing number of studies. In contrast, the oncological functions of intracellular AGR2 (iAGR2) remain elusive. Here, we report that intracellular AGR2 (iAGR2) is sufficient to promote CRC metastasis. iAGR2 binds to KDEL receptors (KDELRs) via its KTEL motif to activate downstream Gs-PKA signaling. Activated PKA upregulates the expression of NF-κB subunit c-Rel (REL) and acetylates histone H3 at lysine 9 (H3K9ac) to promote the transcription of SNAIL and SLUG. AGR2 can be upregulated by prostaglandin E2 (PGE2) via EP4-PI3K-AKT pathway and is indispensable for PGE2-induced CRC metastasis. AGR2 knockdown enhances therapeutic effects of a COX-2 inhibitor, celecoxib, in CRC metastasis. Collectively, our study reveals a promoting role and molecular mechanisms of iAGR2 in CRC metastasis and uncovers a new tumor microenvironment signal regulating AGR2 expression, which may provide new targets for treating metastatic CRC.
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Affiliation(s)
- Hongyan Zhang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Jiangyang Chi
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Jia Hu
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Tiantian Ji
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Zhen Luo
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Caihong Zhou
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Lifeng Huang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Zheng Dai
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China; Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Jing Li
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Guobin Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China.
| | - Lin Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China.
| | - Zheng Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China; Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China.
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Ye R, Wang C, Sun P, Bai S, Zhao L. AGR3 Regulates Airway Epithelial Junctions in Patients with Frequent Exacerbations of COPD. Front Pharmacol 2021; 12:669403. [PMID: 34177583 PMCID: PMC8232749 DOI: 10.3389/fphar.2021.669403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 06/01/2021] [Indexed: 01/07/2023] Open
Abstract
Background: The mechanisms underlying differences in the susceptibility to chronic obstructive pulmonary disease (COPD) exacerbations between patients are not well understood. Recent studies have shown that the patients with frequent COPD exacerbations is related to specific protein expression in lung tissue. Anterior gradient 3 (AGR3) is expressed in airway epithelial cells in the lung and proteomic analysis revealed that its expression is decreased in patients with frequent COPD exacerbations. Moreover, the loss of epithelial integrity might facilitate trans-epithelial permeability of pathogens in such patients. This study was performed to determine that AGR3 protein play a role in COPD frequency exacerbators. Methods: Human lung tissues were collected from current-smoking patients (Control; n = 15) as well as patients with infrequent COPD exacerbations (IFCOPD; n = 18) and frequent COPD exacerbations (FCOPD; n = 8). While AGR3 protein expression was measured by immunohistochemistry and western blotting, AGR mRNA expression was determined by real time quantitative polymerase chain reaction (RT-qPCR). Furthermore, adherent junctions (AJs) and tight junctions (TJs) protein expression in human lung tissues were measured by immunohistochemistry. The effects of cigarette smoke extract (CSE) on AJ and TJ protein and mRNA expression in BEAS-2B cells were assessed by western blotting and RT-qPCR. In addition, the effect of AGR3 overexpression and knockdown on AJ and TJ protein expression was determined. Results: AGR3 was mainly expressed in the airway epithelium and AGR3-positive products were localized in the cytoplasm. Western blotting and RT-qPCR results showed that AGR3 protein (p = 0.009) and mRNA (p = 0.04) expression in the FCOPD group was significantly lower than that in the IFCOPD group. Moreover, E-cadherin, occludin, and zonula occludens-1 (ZO-1) expression was lower in the FCOPD group than in the IFCOPD group. The protein and mRNA expression of E-cadherin, occludin, and ZO-1 was decreased within 24 h post-CSE exposure. AGR3 overexpression rescued CSE-induced downregulation of E-cadherin, occludin, and ZO-1. Conclusion: Difference in AGR3 expression in the lung tissue might be correlated with increased susceptibility to COPD exacerbation. AGR3 can prevent CSE-induced downregulation of E-cadherin, occludin, and ZO-1 in airway epithelial cells. Loss of AGR3 might promote viral and bacterial infection and induce immune inflammation to increase COPD exacerbation.
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Affiliation(s)
- Rui Ye
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Cuihong Wang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Pengbo Sun
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shuang Bai
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Li Zhao
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
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Anterior Gradient Protein 2 Promotes Mucosal Repair in Pediatric Ulcerative Colitis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6483860. [PMID: 34055987 PMCID: PMC8149229 DOI: 10.1155/2021/6483860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 05/05/2021] [Indexed: 12/14/2022]
Abstract
Mucosal healing comprises a key goal of ulcerative colitis (UC) treatment. Anterior gradient protein 2 (AGR2) plays an important role in maintaining intestinal homeostasis in UC. However, the role of AGR2 in the repair of mucosal injury is not yet clear. This study is aimed at investigating the expression of AGR2 in the intestinal tissues of children with UC and its role in repairing mucosal injury. Forty UC patients who were hospitalized in the Pediatric Gastroenterology Ward of Shengjing Hospital affiliated with China Medical University between July 1, 2013, and May 31, 2020, and 20 children who had normal colonoscopy results during the same period (control group) made up the study sample. The disease activity of UC was evaluated based on the pediatric ulcerative colitis activity index, and the ulcerative colitis endoscopic index was evaluated according to the Rachmilewitz score. Immunohistochemical staining was employed to examine the differences in AGR2 expression in the intestinal mucosa between groups. The protective effect of AGR2 in a model of tumor necrosis factor-alpha- (TNF-α-) induced intestinal mucosal barrier injury and the underlying molecular mechanism were explored through in vitro experiments. The results showed that compared with the normal control group, UC patients in the remission or active period had significantly higher expression of AGR2 in the intestine. AGR2 expression was positively correlated with Ki67, an intestinal epithelial cell proliferation marker, but negatively correlated with the degree of endoscopic mucosal injury. In an in vitro model, AGR2 overexpression promoted cell proliferation and migration and inhibited TNF-α-induced intestinal epithelial barrier damage by activating yes-associated protein (YAP). Collectively, our study suggests that AGR2 might serve as a valuable biomarker to help assess the condition and mucosal healing status of UC patients. In vitro, AGR2 promoted the repair of intestinal mucosal barrier injury by activating YAP.
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Vieujean S, Hu S, Bequet E, Salee C, Massot C, Bletard N, Pierre N, Quesada Calvo F, Baiwir D, Mazzucchelli G, De Pauw E, Coimbra Marques C, Delvenne P, Rieder F, Louis E, Meuwis MA. Potential Role of Epithelial Endoplasmic Reticulum Stress and Anterior Gradient Protein 2 Homologue in Crohn's Disease Fibrosis. J Crohns Colitis 2021; 15:1737-1750. [PMID: 33822017 PMCID: PMC8861373 DOI: 10.1093/ecco-jcc/jjab061] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIMS Intestinal fibrosis is a common complication of Crohn's disease [CD]. It is characterised by an accumulation of fibroblasts differentiating into myofibroblasts secreting excessive extracellular matrix. The potential role of the intestinal epithelium in this fibrotic process remains poorly defined. METHODS We performed a pilot proteomic study comparing the proteome of surface epithelium, isolated by laser-capture microdissection, in normal and fibrotic zones of resected ileal CD strictures [13 zones collected in five patients]. Proteins of interests were validated by immunohistochemistry [IHC] in ileal and colonic samples of stricturing CD [n = 44], pure inflammatory CD [n = 29], and control [n = 40] subjects. The pro-fibrotic role of one selected epithelial protein was investigated through in-vitro experiments using HT-29 epithelial cells and a CCD-18Co fibroblast to myofibroblast differentiation model. RESULTS Proteomic study revealed an endoplasmic reticulum [ER] stress proteins increase in the epithelium of CD ileal fibrotic strictures, including anterior gradient protein 2 homologue [AGR2] and binding-immunoglobulin protein [BiP]. This was confirmed by IHC. In HT-29 cells, tunicamycin-induced ER stress triggered AGR2 intracellular expression and its secretion. Supernatant of these HT-29 cells, pre-conditioned by tunicamycin, led to a myofibroblastic differentiation when applied on CCD-18Co fibroblasts. By using recombinant protein and blocking agent for AGR2, we demonstrated that the secretion of this protein by epithelial cells can play a role in the myofibroblastic differentiation. CONCLUSIONS The development of CD fibrotic strictures could involve epithelial ER stress and particularly the secretion of AGR2.
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Affiliation(s)
- Sophie Vieujean
- Corresponding author: Sophie Vieujean, MD, Laboratory of Translational Gastroenterology, University of Liège, GIGA-Research, +2, B34, Avenue de l’hôpital 1, 4000 Liège, Belgium. Tel.: +32-4-3667256; fax: +32-4-3667889; mail:
| | | | - Emeline Bequet
- Laboratory of Translational Gastroenterology, University of Liège, Liège, Belgium,Division of Hepato-Gastroenterology, Department of Paediatrics, University Hospital of Liège, Liège, Belgium
| | - Catherine Salee
- Laboratory of Translational Gastroenterology, University of Liège, Liège, Belgium
| | - Charlotte Massot
- Laboratory of Translational Gastroenterology, University of Liège, Liège, Belgium
| | - Noëlla Bletard
- Pathological Anatomy and Cytology, University Hospital CHU of Liège, Liège, Belgium
| | - Nicolas Pierre
- Laboratory of Translational Gastroenterology, University of Liège, Liège, Belgium
| | | | | | - Gabriel Mazzucchelli
- MolSys Research Unit, Laboratory of Mass Spectrometry, University of Liège, Liège, Belgium
| | - Edwin De Pauw
- MolSys Research Unit, Laboratory of Mass Spectrometry, University of Liège, Liège, Belgium
| | | | - Philippe Delvenne
- Pathological Anatomy and Cytology, University Hospital CHU of Liège, Liège, Belgium
| | - Florian Rieder
- Gastroenterology, Hepatology & Nutrition, Cleveland Clinic, Cleveland, OH, USA
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Lee E, Lee DH. Anterior gradient 2 is involved in the post-transcriptional regulation of β-dystroglycan. Anim Cells Syst (Seoul) 2021; 25:19-27. [PMID: 33717413 PMCID: PMC7935118 DOI: 10.1080/19768354.2020.1871405] [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] [Indexed: 10/28/2022] Open
Abstract
Anterior gradient 2 (AGR2) is a protein disulfide isomerase over-expressed in numerous types of cancer. Although AGR2 plays a role in ER homeostasis, its function(s) in tumorigenesis is still elusive. Here we demonstrate that AGR2 is involved in the regulation of the β-subunit of dystroglycan (β-DG), a component of the multi-protein complex linking the extracellular matrix and cytoskeletal network. In breast cancer cells, AGR2 over-expression led to the up-regulation of β-DG but not that of α-DG, while the transcript levels of these subunits were unchanged. Conversely, the reduced expression of AGR2 caused the down-regulation of β-DG. Interestingly, induced expression of AGR2 increased the degree of co-localization of AGR2 and β-DG in the cytoplasm suggesting that AGR2 facilitates the trafficking of β-DG. In addition, AGR2 over-expression caused the re-arrangement of the actin cytoskeletal network. Presumably over-expressed AGR2 up-regulates β-DG post-transcriptionally and facilitates its trafficking, which then causes re-arrangement of the cytoskeletal network, which plays a role in the adhesion and invasion of cancer cells.
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Affiliation(s)
- Eunyoung Lee
- Department of Bio and Environmental Technology, Seoul Women's University, Seoul, Korea
| | - Do Hee Lee
- Department of Bio and Environmental Technology, Seoul Women's University, Seoul, Korea
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Mohammadinejad R, Biagioni A, Arunkumar G, Shapiro R, Chang KC, Sedeeq M, Taiyab A, Hashemabadi M, Pardakhty A, Mandegary A, Thiery JP, Aref AR, Azimi I. EMT signaling: potential contribution of CRISPR/Cas gene editing. Cell Mol Life Sci 2020; 77:2701-2722. [PMID: 32008085 PMCID: PMC11104910 DOI: 10.1007/s00018-020-03449-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 12/24/2019] [Accepted: 01/02/2020] [Indexed: 02/06/2023]
Abstract
Epithelial to mesenchymal transition (EMT) is a complex plastic and reversible cellular process that has critical roles in diverse physiological and pathological phenomena. EMT is involved in embryonic development, organogenesis and tissue repair, as well as in fibrosis, cancer metastasis and drug resistance. In recent years, the ability to edit the genome using the clustered regularly interspaced palindromic repeats (CRISPR) and associated protein (Cas) system has greatly contributed to identify or validate critical genes in pathway signaling. This review delineates the complex EMT networks and discusses recent studies that have used CRISPR/Cas technology to further advance our understanding of the EMT process.
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Affiliation(s)
- Reza Mohammadinejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Alessio Biagioni
- Section of Experimental Pathology and Oncology, Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Ganesan Arunkumar
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Rebecca Shapiro
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada
| | - Kun-Che Chang
- Department of Ophthalmology, School of Medicine, Byers Eye Institute, Stanford University, Palo Alto, CA, 94303, USA
| | - Mohammed Sedeeq
- Division of Pharmacy, College of Health and Medicine, University of Tasmania, Hobart, TAS, Australia
| | - Aftab Taiyab
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, L8S 4L8, Canada
| | - Mohammad Hashemabadi
- Department of Biology, Faculty of Sciences, Shahid Bahonar University, Kerman, Iran
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Abbas Pardakhty
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Mandegary
- Physiology Research Center, Institute of Neuropharmacology and Department of Toxicology & Pharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Jean-Paul Thiery
- Guangzhou Regenerative Medicine and Health, Guangdong Laboratory, Guangzhou, China
| | - Amir Reza Aref
- Department of Medical Oncology, Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02215, USA.
| | - Iman Azimi
- Division of Pharmacy, College of Health and Medicine, University of Tasmania, Hobart, TAS, Australia.
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Sommerova L, Ondrouskova E, Martisova A, Zoumpourlis V, Galtsidis S, Hrstka R. ZEB1/miR-200c/AGR2: A New Regulatory Loop Modulating the Epithelial-Mesenchymal Transition in Lung Adenocarcinomas. Cancers (Basel) 2020; 12:cancers12061614. [PMID: 32570918 PMCID: PMC7352583 DOI: 10.3390/cancers12061614] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/12/2020] [Accepted: 06/13/2020] [Indexed: 12/12/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a process involved not only in morphogenesis and embryonic development, but also in cancer progression, whereby tumor cells obtain a more aggressive metastatic phenotype. Anterior gradient protein 2 (AGR2) maintains the epithelial phenotype and blocks the induction of EMT, thus playing an undeniable role in tumor progression. However, the mechanism through which AGR2 expression is regulated, not only during EMT, but also in the early stages of cancer development, remains to be elucidated. In the present study, we show an inverse correlation of AGR2 with ZEB1 (zinc finger enhancer binding protein, δEF1) that was verified by analysis of several independent clinical data sets of lung adenocarcinomas. We also identified the ZEB1 binding site within the AGR2 promoter region and confirmed AGR2 as a novel molecular target of ZEB1. The overexpression of ZEB1 decreased the promoter activity of the AGR2 gene, which resulted in reduced AGR2 protein level and the acquisition of a more invasive phenotype of these lung cancer cells. Conversely, silencing of ZEB1 led not only to increased levels of AGR2 protein, but also attenuated the invasiveness of tumor cells. The AGR2 knockout, vice versa, increased ZEB1 expression, indicating that the ZEB1/AGR2 regulatory axis may function in a double negative feedback loop. In conclusion, we revealed for the first time that ZEB1 regulates AGR2 at the transcriptional level, while AGR2 presence contributes to ZEB1 mRNA degradation. Thus, our data identify a new regulatory mechanism between AGR2 and ZEB1, two rivals in the EMT process, tightly associated with the development of metastasis.
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Affiliation(s)
- Lucia Sommerova
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Zluty kopec 7, 656 53 Brno, Czech Republic; (L.S.); (E.O.); (A.M.)
| | - Eva Ondrouskova
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Zluty kopec 7, 656 53 Brno, Czech Republic; (L.S.); (E.O.); (A.M.)
| | - Andrea Martisova
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Zluty kopec 7, 656 53 Brno, Czech Republic; (L.S.); (E.O.); (A.M.)
| | - Vassilis Zoumpourlis
- Biomedical Applications Unit, Institute of Biology, Medicinal Chemistry & Biotechnology, NHRF 48 Vassileos Constantinou Ave., 11635 Athens, Greece;
| | - Sotirios Galtsidis
- Life Sciences Research Unit, University of Luxembourg, Campus Belval, Biotech 1, Avenue des Hauts Fourneaux, L-4362 Esch-sur-Alzette, Luxembourg;
| | - Roman Hrstka
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Zluty kopec 7, 656 53 Brno, Czech Republic; (L.S.); (E.O.); (A.M.)
- Correspondence: ; Tel.: +420-543-133-306
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Jewell ML, Gibson JR, Guy CD, Hyun J, Du K, Oh SH, Premont RT, Hsu DS, Ribar T, Gregory SG, Diehl AME. Single-Cell RNA Sequencing Identifies Yes-Associated Protein 1-Dependent Hepatic Mesothelial Progenitors in Fibrolamellar Carcinoma. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 190:93-107. [PMID: 31669305 PMCID: PMC10069284 DOI: 10.1016/j.ajpath.2019.09.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 08/23/2019] [Accepted: 09/26/2019] [Indexed: 12/29/2022]
Abstract
Fibrolamellar carcinoma (FLC) is characterized by in-frame fusion of DnaJ heat shock protein family (Hsp40) member B1 (DNAJB1) with protein kinase cAMP-activated catalytic subunit α (PRKACA) and by dense desmoplasia. Surgery is the only effective treatment because mechanisms supporting tumor survival are unknown. We used single-cell RNA sequencing to characterize a patient-derived FLC xenograft model and identify therapeutic targets. Human FLC cells segregated into four discrete clusters that all expressed the oncogene Yes-associated protein 1 (YAP1). The two communities most enriched with cells coexpressing FLC markers [CD68, A-kinase anchoring protein 12 (AKAP12), cytokeratin 7, epithelial cell adhesion molecule (EPCAM), and carbamoyl palmitate synthase-1] also had the most cells expressing YAP1 and its proproliferative target genes (AREG and CCND1), suggesting these were proliferative FLC cell clusters. The other two clusters were enriched with cells expressing profibrotic YAP1 target genes, ACTA2, ELN, and COL1A1, indicating these were fibrogenic FLC cells. All clusters expressed the YAP1 target gene and mesothelial progenitor marker mesothelin, and many mesothelin-positive cells coexpressed albumin. Trajectory analysis predicted that the four FLC communities were derived from a single cell type transitioning among phenotypic states. After establishing a novel FLC cell line that harbored the DNAJB1-PRKACA fusion, YAP1 was inhibited, which significantly reduced expression of known YAP1 target genes as well as cell growth and migration. Thus, both FLC epithelial and stromal cells appear to arise from DNAJB1-PRKACA fusion in a YAP1-dependent liver mesothelial progenitor, identifying YAP1 as a target for FLC therapy.
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Affiliation(s)
- Mark L Jewell
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Jason R Gibson
- Duke Molecular Physiology Institute, Duke University, Durham, North Carolina
| | - Cynthia D Guy
- Department of Pathology, Duke University, Durham, North Carolina
| | - Jeongeun Hyun
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Kuo Du
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Seh-Hoon Oh
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Richard T Premont
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - David S Hsu
- Duke Cancer Institute, Duke University, Durham, North Carolina
| | - Thomas Ribar
- Duke Cancer Institute, Duke University, Durham, North Carolina
| | - Simon G Gregory
- Duke Molecular Physiology Institute, Duke University, Durham, North Carolina
| | - Anna Mae E Diehl
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina.
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Worfolk JC, Bell S, Simpson LD, Carne NA, Francis SL, Engelbertsen V, Brown AP, Walker J, Viswanath YK, Benham AM. Elucidation of the AGR2 Interactome in Esophageal Adenocarcinoma Cells Identifies a Redox-Sensitive Chaperone Hub for the Quality Control of MUC-5AC. Antioxid Redox Signal 2019; 31:1117-1132. [PMID: 31436131 DOI: 10.1089/ars.2018.7647] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Aims: AGR2 is a tissue-restricted member of the protein disulfide isomerase family that has attracted interest because it is highly expressed in a number of cancers, including gastroesophageal adenocarcinoma. The behavior of AGR2 was analyzed under oxidizing conditions, and an alkylation trapping and immunoprecipitation approach were developed to identify novel AGR2 interacting proteins. Results: The data show that AGR2 is induced in esophageal adenocarcinoma, where it participates in redox-responsive, disulfide-dependent complexes. AGR2 preferentially engages with MUC-5 as a primary client and is coexpressed with the acidic mucin in Barrett's esophagus and esophageal adenocarcinoma tissue. Innovation: New partner chaperones for AGR2 have been identified, including peroxiredoxin IV, ERp44, P5, ERp29, and Ero1α. AGR2 interacts with unexpected metabolic enzymes, including aldehyde dehydrogenase (ALDH)3A1, and engages in an alkylation-sensitive association with the autophagy receptor SQSTM1, suggesting a potential mechanism for the postendoplasmic reticulum targeting of AGR2 to mucin granules. Disulfide-driven AGR2 complex formation provides a framework for a limited number of client proteins to interact, rather than for the recruitment of multiple novel clients. Conclusion: The extended AGR2 interactome will facilitate the development of therapeutics to target AGR2/mucin pathways in esophageal cancer and other conditions, including chronic obstructive pulmonary disease.
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Affiliation(s)
- Jack C Worfolk
- Department of Biosciences, Durham University, Durham, United Kingdom
| | - Steven Bell
- Department of Biosciences, Durham University, Durham, United Kingdom
| | - Lee D Simpson
- Department of Biosciences, Durham University, Durham, United Kingdom
| | - Naomi A Carne
- Department of Biosciences, Durham University, Durham, United Kingdom
| | - Sarah L Francis
- Department of Biosciences, Durham University, Durham, United Kingdom
| | - Vibecke Engelbertsen
- Department of Surgery, James Cook University Hospital, Middlesbrough, United Kingdom
| | - Adrian P Brown
- Department of Biosciences, Durham University, Durham, United Kingdom
| | - Julie Walker
- Department of Surgery, James Cook University Hospital, Middlesbrough, United Kingdom
| | | | - Adam M Benham
- Department of Biosciences, Durham University, Durham, United Kingdom
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Zhou HQ, Liu MS, Deng TB, Xie PB, Wang W, Shao T, Wu Y, Zhang P. The TGF-β/Smad Pathway Inhibitor SB431542 Enhances The Antitumor Effect Of Radiofrequency Ablation On Bladder Cancer Cells. Onco Targets Ther 2019; 12:7809-7821. [PMID: 31576139 PMCID: PMC6765330 DOI: 10.2147/ott.s212596] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 09/09/2019] [Indexed: 12/12/2022] Open
Abstract
Background Despite progress achieved in bladder cancer (BC) treatment, the prognosis of patients with advanced BC (ie, metastasized from the bladder to other organs) is poor. Although mortality in cases of low-grade BC is rare, the treatment, such as a radical cystectomy, often has a serious impact on the quality of life. Thus, research is needed to identify more effective treatment strategies and this work is aiming to examine the potential application of combination of radiofrequency ablation (RFA) and SB435142, a inhibitor of transforming growth factor β (TGFβ)/Smad pathway. Methods BC cells were transplanted into nude mice (thymusdeficiency Bal B/c) to form subcutaneous tumors. The mice with subcutaneous tumors were then treated with RFA and oral administration of SB431542, an inhibitor of TGFβ/Smad signaling pathway. The antitumor effect of RFA was measured by tumor proliferation curves and micro-positron emission computed tomography (micro-PET). The effect of SB431542 on epithelial-mesenchymal transition (EMT) related regulators in subcutaneous tumor tissues formed by BC cells were examined by quantitative real-time polymerase chain reaction (qPCR) experiments. Results The SB431542 treatment enhanced the antitumor effect of RFA on subcutaneous growth of BCs. SB431542 also decreased EMT-related regulators in subcutaneous tumor tissues formed by BC cells in nude mice. Conclusion SB431542 enhances the effect of RFA on BC.
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Affiliation(s)
- Hong-Qing Zhou
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Ming-Sheng Liu
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Ti-Bin Deng
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Ping-Bo Xie
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Wei Wang
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Tao Shao
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Yao Wu
- Second Ward of Urology, Qujing Affiliated Hospital of Kunming Medical University , Qujing City 655000, Yunnan Province, People's Republic of China
| | - Peng Zhang
- Department of Urology, State Key Laboratory of Kidney Diseases, Chinese People's Liberation Army (PLA) General Hospital/Chinese PLA Medical Academy, Beijing 100853, People's Republic of China
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Bhatia S, Monkman J, Blick T, Duijf PH, Nagaraj SH, Thompson EW. Multi-Omics Characterization of the Spontaneous Mesenchymal-Epithelial Transition in the PMC42 Breast Cancer Cell Lines. J Clin Med 2019; 8:jcm8081253. [PMID: 31430931 PMCID: PMC6723942 DOI: 10.3390/jcm8081253] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/15/2019] [Accepted: 08/15/2019] [Indexed: 12/16/2022] Open
Abstract
Epithelial–mesenchymal plasticity (EMP), encompassing epithelial–mesenchymal transition (EMT) and mesenchymal–epithelial transition (MET), are considered critical events for cancer metastasis. We investigated chromosomal heterogeneity and chromosomal instability (CIN) profiles of two sister PMC42 breast cancer (BC) cell lines to assess the relationship between their karyotypes and EMP phenotypic plasticity. Karyotyping by GTG banding and exome sequencing were aligned with SWATH quantitative proteomics and existing RNA-sequencing data from the two PMC42 cell lines; the mesenchymal, parental PMC42-ET cell line and the spontaneously epithelially shifted PMC42-LA daughter cell line. These morphologically distinct PMC42 cell lines were also compared with five other BC cell lines (MDA-MB-231, SUM-159, T47D, MCF-7 and MDA-MB-468) for their expression of EMP and cell surface markers, and stemness and metabolic profiles. The findings suggest that the epithelially shifted cell line has a significantly altered ploidy of chromosomes 3 and 13, which is reflected in their transcriptomic and proteomic expression profiles. Loss of the TGFβR2 gene from chromosome 3 in the epithelial daughter cell line inhibits its EMT induction by TGF-β stimulus. Thus, integrative ‘omics’ characterization established that the PMC42 system is a relevant MET model and provides insights into the regulation of phenotypic plasticity in breast cancer.
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Affiliation(s)
- Sugandha Bhatia
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia.
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia.
- Translational Research Institute, Brisbane, QLD 4102, Australia.
| | - James Monkman
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Tony Blick
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Pascal Hg Duijf
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
- University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Shivashankar H Nagaraj
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Erik W Thompson
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia.
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia.
- Translational Research Institute, Brisbane, QLD 4102, Australia.
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22
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Alsereihi R, Schulten HJ, Bakhashab S, Saini K, Al-Hejin AM, Hussein D. Leveraging the Role of the Metastatic Associated Protein Anterior Gradient Homologue 2 in Unfolded Protein Degradation: A Novel Therapeutic Biomarker for Cancer. Cancers (Basel) 2019; 11:cancers11070890. [PMID: 31247903 PMCID: PMC6678570 DOI: 10.3390/cancers11070890] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/18/2019] [Accepted: 06/21/2019] [Indexed: 12/15/2022] Open
Abstract
Effective diagnostic, prognostic and therapeutic biomarkers can help in tracking disease progress, predict patients’ survival, and considerably affect the drive for successful clinical management. The present review aims to determine how the metastatic-linked protein anterior gradient homologue 2 (AGR2) operates to affect cancer progression, and to identify associated potential diagnostic, prognostic and therapeutic biomarkers, particularly in central nervous system (CNS) tumors. Studies that show a high expression level of AGR2, and associate the protein expression with the resilience to chemotherapeutic treatments or with poor cancer survival, are reported. The primary protein structures of the seven variants of AGR2, including their functional domains, are summarized. Based on experiments in various biological models, this review shows an orchestra of multiple molecules that regulate AGR2 expression, including a feedback loop with p53. The AGR2-associated molecular functions and pathways including genomic integrity, proliferation, apoptosis, angiogenesis, adhesion, migration, stemness, and inflammation, are detailed. In addition, the mechanisms that can enable the rampant oncogenic effects of AGR2 are clarified. The different strategies used to therapeutically target AGR2-positive cancer cells are evaluated in light of the current evidence. Moreover, novel associated pathways and clinically relevant deregulated genes in AGR2 high CNS tumors are identified using a meta-analysis approach.
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Affiliation(s)
- Reem Alsereihi
- Neurooncology Translational Group, King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia.
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia.
| | - Hans-Juergen Schulten
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, P.O. Box 80216, Jeddah 21589, Saudi Arabia.
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Sherin Bakhashab
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, P.O. Box 80216, Jeddah 21589, Saudi Arabia.
- Biochemistry Department, King Abdulaziz University, P.O. Box 80218, Jeddah 21589, Saudi Arabia.
| | - Kulvinder Saini
- School of Biotechnology, Eternal University, Baru Sahib-173101, Himachal Pradesh, India.
| | - Ahmed M Al-Hejin
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia.
- Microbiology Unit, King Fahad Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah 21589, Saudi Arabia.
| | - Deema Hussein
- Neurooncology Translational Group, King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah, 21589, Saudi Arabia.
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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23
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Ostatná V, Hasoň S, Kasalová V, Ďurech M, Hrstka R. Anterior gradient-3 protein-antibody interaction at charged interfaces. Label-free chronopotentiometric sensing. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.12.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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24
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Anterior Gradient-2 monoclonal antibody inhibits lung cancer growth and metastasis by upregulating p53 pathway and without exerting any toxicological effects: A preclinical study. Cancer Lett 2019; 449:125-134. [PMID: 30685412 DOI: 10.1016/j.canlet.2019.01.025] [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: 10/18/2018] [Revised: 12/27/2018] [Accepted: 01/21/2019] [Indexed: 11/24/2022]
Abstract
Increased drug resistance and acute side effects on normal organs are the major disadvantages of traditional cancer chemotherapy and radiotherapy. This has increased the focus on targeted therapeutic strategies such as monoclonal antibody-based cancer therapies. The major advantage of antibody-based therapies is the specific inhibition of cancer-related targets, with reduced off-target side effects. Anterior gradient-2 (AGR2) is a prometastatic and proangiogenic tumor marker that is overexpressed in multiple cancers. Therefore, anti-AGR2 antibodies may be potential therapeutic agents for treating different cancers. In the present study, we examined a novel anti-AGR2 monoclonal antibody mAb18A4 and found that this antibody inhibited lung cancer progression and metastasis without exerting any adverse side effects on the major organs and blood in mice. Moreover, we found that mAb18A4 activated p53 pathway and attenuated ERK1/2-MAPK pathway. Furthermore, mAb18A4-treated cancer cell lines showed attenuated proliferation and colony formation, enhanced apoptosis, increased p53 expression, and reduced phosphorylated ERK1/2 expression. Treatment with mAb18A4 significantly reduced tumor size and suppressed tumor metastasis in and increased the survival of different xenograft tumor models. In addition, mAb18A4 potently suppressed AGR2-induced angiogenesis. Results of pharmacokinetic and toxicological analyses confirmed the safety of mAb18A4 as an antitumor treatment.
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25
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Wang Y, Zheng J, Han Y, Zhang Y, Su L, Hu D, Fu X. JAM-A knockdown accelerates the proliferation and migration of human keratinocytes, and improves wound healing in rats via FAK/Erk signaling. Cell Death Dis 2018; 9:848. [PMID: 30154481 PMCID: PMC6113279 DOI: 10.1038/s41419-018-0941-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 07/18/2018] [Accepted: 08/02/2018] [Indexed: 12/13/2022]
Abstract
Junctional adhesion molecule-A (JAM-A) belongs to the immunoglobulin superfamily, it predominantly exists at the tight junctions of epithelial and endothelial cells. JAM-A is known to regulate leukocyte trans-endothelial migration, however, how it affects the proliferation and migration of keratinocytes, the two essential steps during wound healing, has less been explored. In this study, we showed that JAM-A was significantly expressed in normal skin epidermis. RNAi-mediated JAM-A knockdown remarkably promoted the proliferation and migration of keratinocytes. We also found that loss of JAM-A increased the protein levels of p-FAK, p-Erk1/2, and p-JNK; however, FAK inhibitor PF-562271 restrained the expression of p-FAK and p-Erk1/2 elevated by JAM-A RNAi, but not p-JNK, and also slowed down keratinocyte proliferation and migration. Finally, in a rat wound model we showed that absence of JAM-A significantly promoted the wound healing process, while the use of PF-562271 or Erk1/2 inhibitor PD98059 repressed those effects. These data collectively demonstrate that suppressing JAM-A expression could promote the proliferation and migration of keratinocytes and accelerate the healing process of rat skin wounds, potentially via FAK/Erk pathway, indicating that JAM-A might serve as a potential therapeutic target for the treatment of chronic refractory wounds.
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Affiliation(s)
- Yunchuan Wang
- Institute of Basic Medicine, Chinese PLA General Hospital, 100853, Beijing, China.,Department of Burns and Cutaneous Surgery, Xijing Hospital, The Fourth Military Medical University, 710032, Xi'an, Shaanxi, China
| | - Jianping Zheng
- Department of Orthopedic Surgery, Xiangyang Central Hospital, The Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, 441021, Hubei, China
| | - Yue Han
- Department of Burns and Plastic Surgery, Xi'an Central Hospital, 710003, Xi'an, Shaanxi, China
| | - Yijie Zhang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, The Fourth Military Medical University, 710032, Xi'an, Shaanxi, China
| | - Linlin Su
- Department of Burns and Cutaneous Surgery, Xijing Hospital, The Fourth Military Medical University, 710032, Xi'an, Shaanxi, China
| | - Dahai Hu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, The Fourth Military Medical University, 710032, Xi'an, Shaanxi, China
| | - Xiaobing Fu
- Institute of Basic Medicine, Chinese PLA General Hospital, 100853, Beijing, China.
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26
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Yang BL, Zhu P, Li YR, Xu MM, Wang H, Qiao LC, Xu HX, Chen HJ. Total flavone of Abelmoschus manihot suppresses epithelial-mesenchymal transition via interfering transforming growth factor-β1 signaling in Crohn’s disease intestinal fibrosis. World J Gastroenterol 2018; 24:3414-3425. [PMID: 30122880 PMCID: PMC6092575 DOI: 10.3748/wjg.v24.i30.3414] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 02/06/2023] Open
Abstract
AIM To explore the role and mechanism of total flavone of Abelmoschus manihot (TFA) on epithelial-mesenchymal transition (EMT) progress of Crohn’s disease (CD) intestinal fibrosis.
METHODS First, CCK-8 assay was performed to assess TFA on the viability of intestinal epithelial (IEC-6) cells and select the optimal concentrations of TFA for our further studies. Then cell morphology, wound healing and transwell assays were performed to examine the effect of TFA on morphology, migration and invasion of IEC-6 cells treated with TGF-β1. In addition, immunofluorescence, real-time PCR analysis (qRT-PCR) and western blotting assays were carried out to detect the impact of TFA on EMT progress. Moreover, western blotting assay was performed to evaluate the function of TFA on the Smad and MAPK signaling pathways. Further, the role of co-treatment of TFA and si-Smad or MAPK inhibitors has been examined by qRT-PCR, western blotting, morphology, wound healing and transwell assays.
RESULTS In this study, TFA promoted transforming growth factor-β1 (TGF-β1)-induced (IEC-6) morphological change, migration and invasion, and increased the expression of epithelial markers and reduced the levels of mesenchymal markers, along with the inactivation of Smad and MAPK signaling pathways. Moreover, we revealed that si-Smad and MAPK inhibitors effectively attenuated TGF-β1-induced EMT in IEC-6 cells. Importantly, co-treatment of TFA and si-Smad or MAPK inhibitors had better inhibitory effects on TGF-β1-induced EMT in IEC-6 cells than either one of them.
CONCLUSION These findings could provide new insight into the molecular mechanisms of TFA on TGF-β1-induced EMT in IEC-6 cells and TFA is expected to advance as a new therapy to treat CD intestinal fibrosis.
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Affiliation(s)
- Bo-Lin Yang
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - Ping Zhu
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - You-Ran Li
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - Min-Min Xu
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - Hao Wang
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - Li-Chao Qiao
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - Hai-Xia Xu
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
| | - Hong-Jin Chen
- Department of Colorectal Surgery, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, Jiangsu Province, China
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Kamal A, Valentijn A, Barraclough R, Rudland P, Rahmatalla N, Martin-Hirsch P, Stringfellow H, Decruze SB, Hapangama DK. High AGR2 protein is a feature of low grade endometrial cancer cells. Oncotarget 2018; 9:31459-31472. [PMID: 30140383 PMCID: PMC6101135 DOI: 10.18632/oncotarget.25838] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/12/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Biomarkers for identification of endometrial cancers (ECs) with high risk of recurrence are required to reduce the rising EC-related mortality. AGR2 is a prognostic marker in several hormonally-regulated cancers. AIM To assess the utility of AGR2 as a prognostic marker in EC. METHODS AGR2 immunoexpression was evaluated in 163 human endometrial samples. Change in AGR2 mRNA levels in response to oestrogen and dihydrotestosterone was studied in vitro. RESULTS Upregulation of AGR2 (protein and mRNA) was seen in low grade EC, compared to the postmenopausal endometrium (P = 0.013) and to the high-grade EC (P < 0.0001). Elevated AGR2 protein expression-scores were associated with a high expression of estrogen alpha (ERα), progesterone, androgen receptors and early clinical stages. Metastatic lesions maintained higher AGR2 expression relative to matched-primary tumors. High-AGR2 protein levels were associated with better overall survival (P = 0.02) in all ECs, but in highly-ERα-expressing ECs, AGR2 associated with unfavourable patient outcome. Androgen through its receptor, downregulated AGR2 mRNA in the Ishikawa cells. CONCLUSIONS AGR2 is overexpressed in low grade ECs and positively associated with hormone receptors. The association between high AGR2 and progressive disease within the high-ERα-expressing ECs suggests that in this group of patients, AGR2 might be a potential biomarker of poor prognosis.
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Affiliation(s)
- Areege Kamal
- Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
- The National Center for Early Detection of Cancer, Oncology Teaching Hospital, Baghdad Medical City, Baghdad, Iraq
| | - Anthony Valentijn
- Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Roger Barraclough
- Institute of Integrative Biology, University of Liverpool, Liverpool, UK
| | - Philip Rudland
- Institute of Integrative Biology, University of Liverpool, Liverpool, UK
| | - Nihad Rahmatalla
- The National Center for Early Detection of Cancer, Oncology Teaching Hospital, Baghdad Medical City, Baghdad, Iraq
| | | | | | - Shandya B. Decruze
- Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
- Liverpool Women’s Hospital NHS Foundation Trust, Liverpool, UK
| | - Dharani K. Hapangama
- Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
- Liverpool Women’s Hospital NHS Foundation Trust, Liverpool, UK
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28
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Alves MR, E Melo NC, Barros-Filho MC, do Amaral NS, Silva FIDB, Baiocchi Neto G, Soares FA, de Brot Andrade L, Rocha RM. Downregulation of AGR2, p21, and cyclin D and alterations in p53 function were associated with tumor progression and chemotherapy resistance in epithelial ovarian carcinoma. Cancer Med 2018; 7:3188-3199. [PMID: 29845750 PMCID: PMC6051166 DOI: 10.1002/cam4.1530] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 04/04/2018] [Accepted: 04/09/2018] [Indexed: 12/15/2022] Open
Abstract
Anterior gradient 2 protein belongs to a family of chaperone‐like proteins, namely protein disulfide isomerase. Generally, AGR2 is highly expressed in mucus‐secreting cells and endocrine organs, and in this study, we aimed to evaluate AGR2 and cell cycle molecules in epithelial ovarian cancer and its implications on prognosis. One hundred seventy‐five patient's samples that were diagnosed with primary epithelial ovarian carcinoma were selected. All the patients were treated with platinum‐taxane standard chemotherapy after surgery and CA125 serum levels were routinely determined. Four‐micrometer‐thick sections were processed by immunohistochemistry using an automated immunostainer, Ventana BenchMark AutoStainer with AGR2, cyclin D1, p21WAF1, and p53. Forty‐nine of 167 cases (29.3%) showed strong to moderate cytoplasmic marking of AGR2, and 118 (70.7%) had weak to negative expression. The absence of the AGR2 protein was observed in high‐grade serous carcinoma (P < .001) and significantly associated with disease‐free survival (DFS; P = .034). The expression of G1‐S phase‐regulatory proteins showed loss of p21 in high‐grade serous carcinoma (P < .001) and was related with poor DFS (P = .003). Strong and diffuse immunoexpression of p53 plus complete absence of p53 staining was interpreted as likely indicating a TP53 gene mutation. This result showed worse DFS alone (P = .012) and combined with low levels of AGR2 (P = .005). The expression profile of AGR2 and cell cycle proteins here presented was showed as good prognosis marker in epithelial ovarian cancer. This finding suggests AGR2 and as putative biomarker of disease progression in chemotherapy‐treated high‐grade serous carcinoma patients.
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Affiliation(s)
| | - Natalia Cruz E Melo
- Molecular Gynecology Laboratory, Gynecologic Department, Federal University of São Paulo, São Paulo, Brazil
| | | | | | | | | | | | | | - Rafael Malagoli Rocha
- Molecular Gynecology Laboratory, Gynecologic Department, Federal University of São Paulo, São Paulo, Brazil
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29
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Ostatná V, Kasalová V, Sommerová L, Hrstka R. Electrochemical sensing of interaction of anterior gradient-2 protein with peptides at a charged interface. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.02.152] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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30
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Tian S, Hu J, Tao K, Wang J, Chu Y, Li J, Liu Z, Ding X, Xu L, Li Q, Cai M, Gao J, Shuai X, Wang G, Wang L, Wang Z. Secreted AGR2 promotes invasion of colorectal cancer cells via Wnt11-mediated non-canonical Wnt signaling. Exp Cell Res 2018; 364:198-207. [PMID: 29427622 DOI: 10.1016/j.yexcr.2018.02.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 02/02/2018] [Accepted: 02/05/2018] [Indexed: 01/22/2023]
Abstract
Human anterior gradient-2 (AGR2), a member of protein disulfide isomerase (PDI) family, is present in both intracellular and extracellular compartments. Although AGR2 is overexpressed in various human cancers and reported to promote aggressive tumor features, little is known regarding AGR2's extracellular functions during tumorigenesis. Here, we demonstrate that secreted AGR2 promotes cell migration and metastasis of colorectal cancer (CRC) in vitro and in vivo. Mechanistically, secreted AGR2 elevated Wnt11 expression, triggering non-canonical Wnt signaling: the Ca2+/Calmodulin-dependent protein kinase II (CaMKII) and c-jun amino-terminal kinase (JNK) pathways. Knockdown of Wnt11 or pretreatment with CaMKII and JNK inhibitors reversed the secreted AGR2's migration-promoting effect. Further studies revealed that AGR2 antagonized canonical Wnt/β-catenin signaling via activating CaMKII. Collectively, our study uncovers a critical role of Wnt11-mediated non-canonical Wnt signaling (CaMKII and JNK pathways) in secreted AGR2's promoted migration of CRC cells. These results raise the possibility that secreted AGR2 may be a potential therapeutic target towards inhibiting CRC metastasis.
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Affiliation(s)
- Shaobo Tian
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jia Hu
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Kaixiong Tao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jian Wang
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yanan Chu
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jing Li
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhibo Liu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xueliang Ding
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Luming Xu
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Qilin Li
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Ming Cai
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jinbo Gao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoming Shuai
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Guobin Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Lin Wang
- Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Zheng Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Research Centre for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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31
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Sun B, Cheng Z, Sun J. Associations of MACC1, AGR2, and KAI1 expression with the metastasis and prognosis in head and neck squamous cell carcinoma. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2018; 11:822-830. [PMID: 31938171 PMCID: PMC6958041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 12/12/2017] [Indexed: 06/10/2023]
Abstract
BACKGROUND Metastasis-associated in colon cancer-1 (MACC1, was firstly found in colon cancer and associated metastasis and prognosis in various cancers), anterior gradient 2 (AGR2, was considered as a valuable prognostic factor for some cancers), and Kangai 1 (KAI1, was a tumor metastasis suppressor gene) are all related to metastasis and prognosis of many cancers. However, the associations of MACC1, AGR2, and KAI1 in head and neck squamous cell carcinoma (HNSCC) are still unclear. In this study, we analyzed associations among MACC1, AGR2, and KAI1 in HNSCC, and their respective associations with clinicopathological parameters and overall survival (OS) in HNSCC. METHODS Positive expression of MACC1, AGR2, and KAI1 in 106 whole HNSCC tissue samples was detected by immunohistochemical staining. Patient's clinical data and demographics were both collected. RESULTS Positive rates of MACC1 and AGR2 were significantly higher, and positive rate of KAI1 was significantly lower, in HNSCC and than those in control tissues. Positive rates of MACC1 and AGR2 were positively correlated with grades of tumor, TNM stages, and lymph node metastasis (LNM) stages, and negatively with patients OS; positive rate of KAI1 was negatively associated with grades of tumor, TNM stages, and LNM stages, and the positive expression of KAI1 subgroup had significantly longer OS than did the negative KAI1 subgroup. In multivariate analysis, positive expression MACC1, AGR2, and KAI1, and tumor stages, as well as LNM stages were potential to be independent prognostic factors for OS in patients with HNSCC. CONCLUSIONS MACC1, AGR2, and KAI1 may represent potential metastatic and prognostic biomarkers, as well as promising therapeutic targets for HNSCC.
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Affiliation(s)
- Benlu Sun
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Anhui Provincial Hospital of Anhui Medical UniversityAnhui Province, China
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Bengbu Medical CollegeAnhui Province, China
| | - Zenong Cheng
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical CollegeAnhui Province, China
- Department of Pathology, Bengbu Medical CollegeAnhui Province, China
| | - Jingwu Sun
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Anhui Provincial Hospital of Anhui Medical UniversityAnhui Province, China
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