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Wang ZW, Yu QY, Xu MJ, Zhou CY, Li JP, Liao XH. MAGE-A11 is a potential prognostic biomarker and immunotherapeutic target in gastric cancer. Aging (Albany NY) 2024; 16:285-298. [PMID: 38180746 PMCID: PMC10817374 DOI: 10.18632/aging.205368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 11/15/2023] [Indexed: 01/06/2024]
Abstract
Gastric cancer poses a serious threat to human health and affects the digestive system. The lack of early symptoms and a dearth of effective identification methods make diagnosis difficult, with many patients only receiving a definitive diagnosis at a malignant stage, causing them to miss out on optimal therapeutic interventions. Melanoma-associated antigen-A (MAGE-A) is part of the MAGE family and falls under the cancer/testis antigen (CTA) category. The MAGE-A subfamily plays a significant role in tumorigenesis, proliferation and migration. The expression, prognosis and function of MAGE-A family members in GC, however, remain unclear. Our research and screening have shown that MAGE-A11 was highly expressed in GC tissues and was associated with poor patient prognosis. Additionally, MAGE-A11 functioned as an independent prognostic factor in GC through Cox regression analysis, and its expression showed significant correlation with both tumour immune cell infiltration and responsiveness to immunotherapy. Our data further indicated that MAGE-A11 regulated GC cell proliferation and migration. Subsequently, our findings propose that MAGE-A11 may operate as a prognostic factor, having potential as an immunotherapy target for GC.
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Affiliation(s)
- Zhi-Wen Wang
- Institute of Biology and Medicine, College of Life Sciences and Health, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
- Key Laboratory of Chronic Noncommunicable Diseases, Yueyang Vocational Technical College, Yueyang 414006, Hunan, P.R. China
| | - Qi-Ying Yu
- Central Laboratory, Tumor Hospital Affiliated to Nantong University, Nantong 226361, Jiangsu, P.R. China
| | - Meng-Jiao Xu
- Zhaoyuan Linglong Central Health Center, Zhaoyuan 265400, Shandong, P.R. China
| | - Chuan-Yi Zhou
- Yueyang People’s Hospital, Yueyang Hospital Affiliated to Hunan Normal University Neoplasm Ward 1, Yueyang 414000, Hunan, P.R. China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life Sciences and Health, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
- College of Science, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life Sciences and Health, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
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Dai ZT, Wu YL, Li XR, Liao XH. MKL-1 suppresses ferroptosis by activating system Xc- and increasing glutathione synthesis. Int J Biol Sci 2023; 19:4457-4475. [PMID: 37781038 PMCID: PMC10535709 DOI: 10.7150/ijbs.80666] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 08/09/2023] [Indexed: 10/03/2023] Open
Abstract
Chemotherapy is a standard method in traditional treatment for gastric cancer. It is well known that the anti-tumor effects of chemotherapy are achieved mainly through the direct killing of cancer cells via apoptosis. However, chemotherapy often fails due to drug resistance. Therefore, non-apoptotic cell death induction by ferroptosis has recently been proposed as a new therapeutic modality to ablate cancer. In this study, we determined the role of MKL-1 in ferroptosis. In vitro and in vivo experiments showed that inhibition of MKL-1 expression significantly enhanced cell sensitivity to ferroptosis-inducing agents. It functions by targeting system Xc- to affect the synthesis of GSH in cells. Therefore, we developed an exosome-based therapeutic approach targeting MKL-1, which provides a novel insight into the treatment of gastric cancer.
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Affiliation(s)
- Zhou-Tong Dai
- Department of Gynaecological Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- National Clinical Research Centre for Obstetrics and Gynaecology, Cancer Biology Research Centre (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Biology and Medicine, College of Life and Health Science, Wuhan University of Science and Technology, Wuhan, China
| | - Yong-Lin Wu
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xing-Rui Li
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Science, Wuhan University of Science and Technology, Wuhan, China
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3
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Hu H, Wang ZW, Hu S, Xiang Y, Deng Y, Wan FJ, Zhang TC, Yang ZY, Liao XH. GNPNAT1 promotes the stemness of breast cancer and serves as a potential prognostic biomarker. Oncol Rep 2023; 50:157. [PMID: 37387422 DOI: 10.3892/or.2023.8594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/26/2023] [Indexed: 07/01/2023] Open
Abstract
Glucosamine‑phosphate N‑acetyltransferase 1 (GNPNAT1) is a member of the acetyltransferase superfamily, related to general control non‑depressible 5 (GCN5). It has been documented that GNPNAT1 expression is increased in lung cancer, whereas its involvement in breast cancer (BC) remains to be further investigated. The present study aimed to evaluate the expression levels of GNPNAT1 in BC and its effect on BC stem cells (BCSCs). The Cancer Genome Atlas (TCGA) database was used for the analysis of the expression of GNPNAT1 and its clinical significance. Cox regression and logistic regression analyses were used to evaluate prognosis‑related factors. The GNPNAT1‑binding protein network was constructed using the Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) application. The biological signaling pathways implicated in GNPNAT1 were investigated through function enrichment analysis including Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, and gene set enrichment analysis. The single‑sample GSEA method was used to investigate the connection between the level of immune infiltration and GNPNAT1 expression in BC. GNPNAT1 expression was upregulated in patients with BC and was significantly associated with a poor prognosis. GNPNAT1 and its co‑expressed genes were mostly enriched in nuclear transport, Golgi vesicle transport, ubiquitin‑like protein transferase activity and ribonucleoprotein complex binding, as determined using functional enrichment analysis. GNPNAT1 expression was positively associated with Th2 cells and T‑helper cells, and negatively associated with plasmacytoid dendritic cells, CD8+ T‑cells and cytotoxic cells. Additionally, the GNPNAT1 expression levels were considerably increased in BCSCs. GNPNAT1 knockdown markedly decreased the stemness ability of SKBR3 and Hs578T cells, including the production of CSC markers and mammosphere or clone formation, while GNPNAT1 overexpression increased the stemness level. Hence, the findings of the present study demonstrate that GNPNAT1 may be exploited as a novel prognostic biomarker and therapeutic target for BC.
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Affiliation(s)
- Hao Hu
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Zhi-Wen Wang
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Shuang Hu
- Yueyang People's Hospital, Yueyang Hospital Affiliated to Hunan Normal University, Yueyang Breast Disease Diagnosis and Treatment Technology Research Center, Yueyang, Hunan 414000, P.R. China
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Yang Deng
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Fu-Jian Wan
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Tong-Cun Zhang
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Zhong-Yi Yang
- Yueyang People's Hospital, Yueyang Hospital Affiliated to Hunan Normal University, Yueyang Breast Disease Diagnosis and Treatment Technology Research Center, Yueyang, Hunan 414000, P.R. China
| | - Xing-Hua Liao
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
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Guo L, Zhang W, Zhang X, Wang J, Nie J, Jin X, Ma Y, Wang S, Zhou X, Zhang Y, Xu Y, Tanaka Y, Yuan J, Liao XH, Gong Y, Su L. A novel transcription factor SIPA1: identification and verification in triple-negative breast cancer. Oncogene 2023; 42:2641-2654. [PMID: 37500797 PMCID: PMC10457189 DOI: 10.1038/s41388-023-02787-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023]
Abstract
Transcription factors (TFs) regulate the expression of genes responsible for cell growth, differentiation, and responses to environmental factors. In this study, we demonstrated that signal-induced proliferation-associated 1 (SIPA1), known as a Rap-GTPase-activating protein, bound DNA and served as a TF. Importin β1 was found to interact with SIPA1 upon fibronectin treatment. A TGAGTCAB motif was recognized and bound by DNA-binding region (DBR) of SIPA1, which was confirmed by electrophoretic mobility shift assay. SIPA1 regulated the transcription of multiple genes responsible for signal transduction, DNA synthesis, cell adhesion, cell migration, and so on. Transcription of fibronectin 1, which is crucial for cell junction and migration of triple-negative breast cancer (TNBC) cells, was regulated by SIPA1 in a DBR-dependent manner both in vivo and in vitro. Furthermore, single-cell transcriptome sequencing analysis of specimens from a metastatic TNBC patient revealed that SIPA1 was highly expressed in metastatic TNBC. Hence, this study demonstrated that SIPA1 served as a TF, promoting TNBC migration, invasion, and metastasis.
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Affiliation(s)
- Lijuan Guo
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wanjun Zhang
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xue Zhang
- Department of Breast Surgery, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China
| | - Jun Wang
- Institute of Biology and Medicine, College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P. R. China
| | - Jiaqi Nie
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiaomeng Jin
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Ying Ma
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Shi Wang
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xinhong Zhou
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yilei Zhang
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Yan Xu
- Department of Immunology and Cell Biology, Graduate School of Medicine, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Yoshimasa Tanaka
- Center for Medical Innovation, Nagasaki University, 1-7-1, Sakamoto, Nagasaki, 852-8588, Japan
| | - Jingping Yuan
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P. R. China.
| | - Yiping Gong
- Department of Breast Surgery, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China.
| | - Li Su
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China.
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5
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Xiang Y, Zong QB, Liu H, Li HN, Wu QF, Dai ZT, Huang Y, Shen C, Li LW, Li XR, Liao XH. lncRNA IGF2-AS regulates miR-500a-3p/PPP4R1/p-VEGFR2 signalling pathway to promote thyroid carcinoma progression and tubulogenesis. Clin Transl Med 2023; 13:e1240. [PMID: 37070231 PMCID: PMC10111635 DOI: 10.1002/ctm2.1240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/21/2023] [Accepted: 04/05/2023] [Indexed: 04/19/2023] Open
Affiliation(s)
- Yuan Xiang
- Key Laboratory for Molecular Diagnosis of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
- Department of Medical Laboratory, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China
| | - Qi-Bei Zong
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - Hui Liu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - Han-Ning Li
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, P. R. China
| | - Qi-Fang Wu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - You Huang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - Chao Shen
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - Le-Wei Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
| | - Xing-Rui Li
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei, P. R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, P. R. China
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Ren LL, Wang ZW, Sen R, Dai ZT, Liao XH, Shen LJ. GRB10 is a novel factor associated with gastric cancer proliferation and prognosis. Aging (Albany NY) 2023; 15:3394-3409. [PMID: 37179120 PMCID: PMC10449302 DOI: 10.18632/aging.204603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/27/2023] [Indexed: 05/15/2023]
Abstract
GRB10 and its family members GRB7 and GRB14 were important adaptor proteins. They regulated many cellular functions by interacting with various tyrosine kinase receptors and other phosphorus-containing amino acid proteins. More and more studies have shown that the abnormal expression of GRB10 is closely related to the occurrence and development of cancer. In our current research, expression data for 33 cancers from the TCGA database was downloaded for analysis. It was found that GRB10 was up-regulated in cholangiocarcinoma, colon adenocarcinoma, head and neck squamous carcinoma, renal chromophobe, clear renal carcinoma, hepatocellular carcinoma, lung adenocarcinoma, lung squamous carcinoma, gastric adenocarcinoma and thyroid carcinoma. Especially in gastric cancer, the high GRB10 expression was closely associated with poorer overall survival. Further research showed that the knockdown of GRB10 inhibited proliferation and migration ability in gastric cancer. Also, there was a potential binding site for miR-379-5p on the 3'UTR of GRB10. Overexpression of miR-379-5p in gastric cancer cells reduced GRB10-regulated gastric cancer proliferation and migration capacity. In addition, we found that tumor growth was slower in a mice xenograft model with knock down of GRB10 expression. These findings suggested that miR-379-5p suppresses gastric cancer development by downregulating GRB10 expression. Therefore, miR-379-5p and GRB10 were expected to be potential targets for the treatment of gastric cancer.
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Affiliation(s)
- Li-Li Ren
- School of Food and Drug, Shenzhen Polytechnic, Guangdong 518055, China
| | - Zhi-Wen Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, China
| | - Ren Sen
- Clinical Academy, Changsha Health Vocational College, Hunan 410100, China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, China
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, China
| | - Li-Juan Shen
- Longgang District People's Hospital of Shenzhen, Guangdong 518172, China
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Yu QY, Han Y, Lu JH, Sun YJ, Liao XH. NRP1 regulates autophagy and proliferation of gastric cancer through Wnt/β-catenin signaling pathway. Aging (Albany NY) 2023; 15:8613-8629. [PMID: 37702613 PMCID: PMC10522364 DOI: 10.18632/aging.204560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 02/20/2023] [Indexed: 09/14/2023]
Abstract
Gastric cancer possesses high lethality rate, and its complex molecular mechanisms of pathogenesis lead to irrational treatment outcomes. Autophagy plays a dual role in cancer by both promoting and suppressing the cancer. However, the role of autophagy in gastric cancer is still vague. Therefore, in this study, we first obtained autophagy-related genes from the Human Autophagy Database, and then applied consensus clustering analysis to analyse the molecular subtypes of gastric cancer samples in the TCGA database. The genes obtained after subtyping were then applied to construct risk prognostic model. Following this, PCA and tSNE assessed risk scores with good discriminatory ability for gastric cancer samples. The results of Cox regression analysis and time-dependent ROC curve analysis indicated that the model had good risk prediction ability. Finally, NRP1 was selected as the final study subject in the context of expression pairwise analysis, Kaplan-Meier curves and external validation of the GEO dataset. In vitro experiments showed that NRP1 has the ability to regulate the proliferation and autophagy of gastric cancer cells by affecting the Wnt/β-catenin signalling pathway. Similarly, in vivo experiments have shown that NRP1 can affect tumour growth in vivo. We therefore propose that NRP1 can be used as both a prognostic factor and a therapeutic target through the regulation of autophagy in gastric cancer.
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Affiliation(s)
- Qi-Ying Yu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Yue Han
- Jinan People’s Hospital Affiliated to Shandong First Medical University, Shandong, Jinan City People’s Hospital, Jinan 271199, Shandong, P.R. China
| | - Jia-Hui Lu
- Beidahuang Group General Hospital, Heilongjiang Province Second Cancer Hospital, Harbin 150000, Heilongjiang, P.R. China
| | - Yan-Jie Sun
- Jinan People’s Hospital Affiliated to Shandong First Medical University, Shandong, Jinan City People’s Hospital, Jinan 271199, Shandong, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
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Zhang HM, Li ZY, Dai ZT, Wang J, Li LW, Zong QB, Li JP, Zhang TC, Liao XH. Interaction of MRPL9 and GGCT Promotes Cell Proliferation and Migration by Activating the MAPK/ERK Pathway in Papillary Thyroid Cancer. Int J Mol Sci 2022; 23:ijms231911989. [PMID: 36233293 PMCID: PMC9570013 DOI: 10.3390/ijms231911989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/06/2022] Open
Abstract
Thyroid cancer remains the most common endocrine malignancy worldwide, and its incidence has steadily increased over the past four years. Papillary Thyroid Cancer (PTC) is the most common differentiated thyroid cancer, accounting for 80–85% of all thyroid cancers. Mitochondrial proteins (MRPs) are an important part of the structural and functional integrity of the mitochondrial ribosomal complex. It has been reported that MRPL9 is highly expressed in liver cancer and promotes cell proliferation and migration, but it has not been reported in PTC. In the present study we found that MRPL9 was highly expressed in PTC tissues and cell lines, and lentivirus-mediated overexpression of MRPL9 promoted the proliferation and migration ability of PTC cells, whereas knockdown of MRPL9 had the opposite effect. The interaction between MRPL9 and GGCT (γ-glutamylcyclotransferase) was found by immunofluorescence and co-immunoprecipitation experiments (Co-IP). In addition, GGCT is highly expressed in PTC tissues and cell lines, and knockdown of GGCT/MRPL9 in vivo inhibited the growth of subcutaneous xenografts in nude mice and inhibited the formation of lung metastases. Mechanistically, we found that knockdown of GGCT/MRPL9 inhibited the MAPK/ERK signaling pathway. In conclusion, our study found that the interaction of GGCT and MRPL9 modulates the MAPK/ERK pathway, affecting the proliferation and migration of PTC cells. Therefore, GGCT/MRPL9 may serve as a potential biomarker for PTC monitoring and PTC treatment.
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Affiliation(s)
- Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
| | - Zi-Yi Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
| | - Le-Wei Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
| | - Qi-Bei Zong
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
- Correspondence: (T.-C.Z.); (X.-H.L.)
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430070, China
- Correspondence: (T.-C.Z.); (X.-H.L.)
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9
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Wang J, Xiang Y, Yang SX, Zhang HM, Li H, Zong QB, Li LW, Zhao LL, Xia RH, Li C, Bao LY, Zhang TC, Liao XH. MIR99AHG inhibits EMT in pulmonary fibrosis via the miR-136-5p/USP4/ACE2 axis. J Transl Med 2022; 20:426. [PMID: 36138468 PMCID: PMC9502606 DOI: 10.1186/s12967-022-03633-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 09/08/2022] [Indexed: 11/17/2022] Open
Abstract
Background Long non-coding RNAs (lncRNAs) are closely related to the occurrence and development of cancer. Abnormally expressed lncRNA can be used as a diagnostic marker for cancer. In this study, we aim to investigate the clinical significance of MIR99AHG expression in lung adenocarcinoma (LUAD), and its biological roles in LUAD progression. Methods The relative expression of MIR99AHG in LUAD tissues and cell lines was analyzed using public databases and RT-qPCR. The biological functions of MIR99AHG were investigated using a loss-of-function approach. The effect of MIR99AHG on lung fibrosis was assessed by scratch assay, invasion assay and lung fibrosis rat model. FISH, luciferase reporter assay and immunofluorescence were performed to elucidate the underlying molecular mechanisms. Results LncRNA MIR99AHG expression level was downregulated in LUAD tissues and cell lines. Low MIR99AHG levels were associated with poorer patient overall survival. Functional analysis showed that MIR99AHG is associated with the LUAD malignant phenotype in vitro and in vivo. Further mechanistic studies showed that, MIR99AHG functions as a competitive endogenous RNA (ceRNA) to antagonize miR-136-5p-mediated ubiquitin specific protease 4 (USP4) degradation, thereby unregulated the expression of angiotensin-converting enzyme 2 (ACE2), a downstream target gene of USP4, which in turn affected alveolar type II epithelial cell fibrosis and epithelial–mesenchymal transition (EMT). In summary, the MIR99AHG/miR-136-5p/USP4/ACE2 signalling axis regulates lung fibrosis and EMT, thus inhibiting LUAD progression. Conclusion This study showed that downregulated MIR99AHG leads to the development of pulmonary fibrosis. Therefore, overexpression of MIR99AHG may provide a new approach to preventing LUAD progression. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-022-03633-y.
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Affiliation(s)
- Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China.,Department of Medical Laboratory, Tongji Medical College, Central Hospital of Wuhan, Huazhong University of Science and Technology, Hubei, 430014, People's Republic of China
| | - Sheng-Xi Yang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Hui Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Qi-Bei Zong
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Le-Wei Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Li-Li Zhao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Ruo-Han Xia
- Yangtze University Health Science Center, Hubei, 430014, People's Republic of China
| | - Chao Li
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK.,Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, UK
| | - Le-Yuan Bao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, People's Republic of China.
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10
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Hu H, Xiang Y, Zhang XY, Deng Y, Wan FJ, Huang Y, Liao XH, Zhang TC. CDCA5 promotes the progression of breast cancer and serves as a potential prognostic biomarker. Oncol Rep 2022; 48:172. [PMID: 36004470 PMCID: PMC9478967 DOI: 10.3892/or.2022.8387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/13/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Hao Hu
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
| | - Xiao-Yu Zhang
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Yang Deng
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Fu-Jian Wan
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - You Huang
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Xing-Hua Liao
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Tong-Cun Zhang
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
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11
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Qiu GL, Li XW, Wang HJ, Wang PX, Liu JH, Zhu MK, Liao XH, Fan L, Che XM. [Influence of visceral lipids obesity on the early postoperative complications after radical gastrectomy]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:596-603. [PMID: 35844122 DOI: 10.3760/cma.j.cn441530-20210907-00365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effect of visceral fat area (VFA) on the surgical efficacy and early postoperative complications of radical gastrectomy for gastric cancer. Methods: A retrospective cohort study method was used. Clinicopathological data and preoperative imaging data of 195 patients who underwent D2 radical gastric cancer surgery at the First Affiliated Hospital of Xi'an Jiaotong University from January 2014 to December 2017 were analyzed retrospectively. Inclusion criteria: (1) complete clinicopathological and imaging data; (2) malignant gastric tumor diagnosed by preoperative pathology, and gastric cancer confirmed by postoperative pathology; (3) no preoperative complications such as bleeding, obstruction or perforation, and no distant metastasis. Those who had a history of abdominal surgery, concurrent malignant tumors, poor basic conditions, emergency surgery, palliative resection, and preoperative neoadjuvant therapy were excluded. The VFA was calculated by software and VFA ≥ 100 cm2 was defined as visceral obesity according to the Japan Obesity Association criteria . The patients were divided into high VFA (VFA-H, VFA≥100 cm2, n=96) group and low VFA (VFA-L, VFA<100 cm2, n=99) group . The clinicopathological characteristics, surgical outcomes and early postoperative complications were compared between the two groups. Univariate and multivariate Logistic regression models were used to analyze the risk factors of early complications. Receiver operating characteristic (ROC) curve was used to analyze predictive values of VFA for early complications. Pearson's χ2 test was used to analyze the correlation between BMI and VFA. Results: There were no significant differences in terms of gender, age, American Society of Anesthesiologists physical status classification, preoperative comorbidities, preoperative anemia, tumor TNM staging, N staging, T staging and tumor differentiation, surgical method, extent of resection, and tumor location between the VFA-L group and the VFA-H group (all P>0.05). However, patients in the VFA-H group had higher BMI, larger tumor, lower rate of hypoalbuminemia and greater subcutaneous fat area (SFA) (all P<0.05). The VFA-H group presented significantly longer operation time and significantly less number of harvested lymph nodes as compared to the VFA-L group (both P<0.05). However, there were no significant differences in intraoperative blood loss, conversion to laparotomy and postoperative hospital stay (all P>0.05). Complications of Clavien-Dindo grade II and above within 30 days after operation were mainly anastomosis-related complications (leakage, bleeding, infection and stricture), intestinal obstruction and incision infection. The VFA-H group had a higher morbidity of early complications compared to the VFA-L group [24.0% (23/96) vs 10.1% (10/99), χ2=6.657, P=0.010], and the rates of anastomotic complications and incision infection were also higher in the VFA group [10.4% (10/96) vs. 3.0% (3/99), χ2=4.274, P=0.039; 7.3% (7/96) vs. 1.0% (1/99), P=0.033]. Multivariate logistic analysis showed that high BMI (OR=3.688, 95%CI: 1.685-8.072, P=0.001) and high VFA (OR=2.526, 95%CI: 1.148-5.559,P=0.021) were independent risk factors for early complications. The area under the ROC curve (AUC) of VFA for predicting early complications was 0.645, which was higher than that of body weight (0.591), BMI (0.624) and SFA (0.626). Correlation analysis indicated that there was a significantly positive correlation between BMI and VFA (r=0.640, P<0.001). Conclusion: VFA ≥ 100 cm2 is an independent risk factor for early complications after radical gastrectomy for gastric cancer.It can better predict the occurrence of above early postoperative complications.
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Affiliation(s)
- G L Qiu
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - X W Li
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - H J Wang
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - P X Wang
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - J H Liu
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - M K Zhu
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - X H Liao
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - L Fan
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - X M Che
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
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12
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Yu QY, Liu H, Liu C, Xiang Y, Zong QB, Wang J, Zhang HM, Xu CC, Li JP, Liao XH. CENPA regulates tumor stemness in lung adenocarcinoma. Aging (Albany NY) 2022; 14:5537-5553. [PMID: 35816352 PMCID: PMC9320546 DOI: 10.18632/aging.204167] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 06/27/2022] [Indexed: 01/24/2023]
Abstract
Lung adenocarcinoma is a malignant and fatal respiratory disease. However, due to its complex pathogenesis and poorly effective therapeutic options, accurate early diagnosis and prognosis remain elusive. Now, there is increasing evidence that tumor stem cells are involved in tumorigenesis, metastasis, relapse, resistance to chemotherapy and radiotherapy and are one of the reasons why tumors cannot be cured. The mRNA expression based-stemness index (mRNAsi) is a parameter obtained by Malta and his colleagues applying innovative one-class logistic regression machine learning algorithm (OCLR) on mRNA expression in normal stem cells and their progeny. It is a valid evaluation parameter and is currently employed to evaluate the degree of differentiation of a certain tumor. In this study, we first used WGCNA and the software Cytoscape to obtain key modules and hub genes. We then applied LASSO regression analysis to calculate the genes in the key module to obtain a six-gene risk model. Moreover, the accuracy of this model was validated. Finally, we took the intersection of hub genes and risk genes and validated CENPA as both a tumor stemness regulator and a tumor prognostic factor in lung cancer.
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Affiliation(s)
- Qi-Ying Yu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Hui Liu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Chen Liu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tong Ji Medical College, Hua Zhong University of Science and Technology, Hubei 430014, P.R. China
| | - Qi-Bei Zong
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Cheng-Chen Xu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
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13
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Zhang HM, Qi FF, Wang J, Duan YY, Zhao LL, Wang YD, Zhang TC, Liao XH. The m6A Methyltransferase METTL3-Mediated N6-Methyladenosine Modification of DEK mRNA to Promote Gastric Cancer Cell Growth and Metastasis. Int J Mol Sci 2022; 23:ijms23126451. [PMID: 35742899 PMCID: PMC9223399 DOI: 10.3390/ijms23126451] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/05/2022] [Accepted: 06/07/2022] [Indexed: 12/13/2022] Open
Abstract
Gastric cancer (GC) is the fifth most common cancer and the third deadliest cancer in the world, and the occurrence and development of GC are influenced by epigenetics. Methyltransferase-like 3 (METTL3) is a prominent RNA n6-adenosine methyltransferase (m6A) that plays an important role in tumor growth by controlling the work of RNA. This study aimed to reveal the biological function and molecular mechanism of METTL3 in GC. The expression level of METTL3 in GC tissues and cells was detected by qPCR, Western blot and immunohistochemistry, and the expression level and prognosis of METTL3 were predicted in public databases. CCK-8, colony formation, transwell and wound healing assays were used to study the effect of METTL3 on GC cell proliferation and migration. In addition, the enrichment effect of METTL3 on DEK mRNA was detected by the RIP experiment, the m6A modification effect of METTL3 on DEK was verified by the MeRIP experiment and the mRNA half-life of DEK when METTL3 was overexpressed was detected. The dot blot assay detects m6A modification at the mRNA level. The effect of METTL3 on cell migration ability in vivo was examined by tail vein injection of luciferase-labeled cells. The experimental results showed that METTL3 was highly expressed in GC tissues and cells, and the high expression of METTL3 was associated with a poor prognosis. In addition, the m6A modification level of mRNA was higher in GC tissues and GC cell lines. Overexpression of METTL3 in MGC80-3 cells and AGS promoted cell proliferation and migration, while the knockdown of METTL3 inhibited cell proliferation and migration. The results of in vitro rescue experiments showed that the knockdown of DEK reversed the promoting effects of METTL3 on cell proliferation and migration. In vivo experiments showed that the knockdown of DEK reversed the increase in lung metastases caused by the overexpression of METTL3 in mice. Mechanistically, the results of the RIP experiment showed that METTL3 could enrich DEK mRNA, and the results of the MePIP and RNA half-life experiments indicated that METTL3 binds to the 3'UTR of DEK, participates in the m6A modification of DEK and promotes the stability of DEK mRNA. Ultimately, we concluded that METTL3 promotes GC cell proliferation and migration by stabilizing DEK mRNA expression. Therefore, METTL3 is a potential biomarker for GC prognosis and a therapeutic target.
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Affiliation(s)
| | | | | | | | | | | | - Tong-Cun Zhang
- Correspondence: (T.-C.Z.); (X.-H.L.); Tel.: +86-027-6889-7109 (T.-C.Z.); +86-027-6889-3368 (X.-H.L.)
| | - Xing-Hua Liao
- Correspondence: (T.-C.Z.); (X.-H.L.); Tel.: +86-027-6889-7109 (T.-C.Z.); +86-027-6889-3368 (X.-H.L.)
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14
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Hu H, Xiang Y, Li T, Yu QY, Gu LX, Liao XH, Zhang TC. Induction of M‑MDSCs with IL6/GM‑CSF from adherence monocytes and inhibition by WP1066. Exp Ther Med 2022; 24:487. [PMID: 35761803 PMCID: PMC9214597 DOI: 10.3892/etm.2022.11414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/19/2022] [Indexed: 11/06/2022] Open
Abstract
Peripheral blood monocytes acquire the phenotype of myeloid-derived suppressor cells (MDSCs) by induction of cytokine or co-culture with cancer cells and are widely used to model MDSCs for in vitro studies. However, the simplest method of plastic adhesive sorting is poorly described as the purity of monocyte resulting from this method is the lowest compared with flow cytometry cell-sorting and magnetic beads sorting. Therefore, the present study aimed at investigating the effect of the plastic adhesive monocyte isolation techniques on the resulting MDSCs phenotype. Monocytes were allowed to adhere for 1 h and cultured with IL6 and granulocyte-macrophage colony-stimulating factors (GM-CSF) for 7 days. Plastic adhesion sorting resulted in early low monocyte yield and purity, but high purity of MDSCs was obtained by refreshing the induction medium. The resulting MDSCs were the major subpopulation of CD33+CD11b+CD14+CD15-human leukocyte antigen (HLA)-/low cells and provided the potent capacity to suppress T cell proliferation and cytokine IFN-γ production. Moreover, the induced MDSCs were inhibited by STAT3 inhibitor WP1066, resulting in downregulation of phosphorylated-STAT3 and PD-L1 expression and upregulation of apoptosis respectively. In conclusion, the present study described the generation of monocytic MDSCs from adherence monocytes and the inhibition of STAT3 inhibitor WP1066 on the induced MDSCs. The present study contributed to the development of a new clinical drug, WP1066 targeting MDSC.
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Affiliation(s)
- Hao Hu
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
| | - Ting Li
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Qi-Ying Yu
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Li-Xing Gu
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Xing-Hua Liao
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Tong-Cun Zhang
- College of Life and Health Sciences, Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430000, P.R. China
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15
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Qiu GL, Wei C, Zhu MK, Han SN, Li XW, Wang HJ, Wang PX, Liu JH, Zhou HY, Liao XH, Che XM, Fan L. [Efficacy of laparoscopic proximal gastrectomy with double-tract reconstruction versus laparoscopic total gastrectomy with Roux-en-Y reconstruction for early upper gastric cancer]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:412-420. [PMID: 35599396 DOI: 10.3760/cma.j.cn441530-20211118-00466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To compare clinical efficacy between laparoscopic radical proximal gastrectomy with double-tract reconstruction (LPG-DTR) and laparoscopic radical total gastrectomy with Roux-en-Y reconstruction (LTG-RY) in patients with early upper gastric cancer, and to provide a reference for the selection of surgical methods in early upper gastric cancer. Methods: A retrospective cohort study method was carried out. Clinical data of 80 patients with early upper gastric cancer who underwent LPG-DTR or LTG-RY by the same surgical team at the Department of General Surgery, the First Affiliated Hospital of Xi'an Jiaotong University from January 2018 to January 2021 were retrospectively analyzed. Patients were divided into the DTR group (32 cases) and R-Y group (48 cases) according to surgical procedures and digestive tract reconstruction methods. Surgical and pathological characteristics, postoperative complications (short-term complications within 30 days after surgery and long-term complications after postoperative 30 days), survival time and nutritinal status were compared between the two groups. For nutritional status, reduction rate was used to represent the changes in total protein, albumin, total cholesterol, body mass, hemoglobin and vitamin B12 levels at postoperative 1-year and 2-year. Non-normally distributed continuous data were presented as median (interquartile range), and the Mann-Whitney U test was used for comparison between groups. The χ(2) test or Fisher's exact test was used for comparison of data between groups. The Mann-Whitney U test was used to compare the ranked data between groups. The survival rate was calculated by Kaplan-Meier method categorical, and compared by using the log-rank test. Results: There were no statistically significant differences in baseline data betweeen the two groups, except that patients in the R-Y group were oldere and had larger tumor. Patients of both groups successfully completed the operation without conversion to laparotomy, combined organ resection, or perioperative death. There were no significant differences in the distance from proximal resection margin to superior margin of tumor, postoperative hospital stay, time to flatus and food-taking, hospitalization cost, short- and long-term complications between the two groups (all P>0.05). Compared with the R-Y group, the DTR group had shorter distal margins [(3.2±0.5) cm vs. (11.7±2.0) cm, t=-23.033, P<0.001], longer surgery time [232.5 (63.7) minutes vs. 185.0 (63.0) minutes, Z=-3.238, P=0.001], longer anastomosis time [62.5 (17.5) minutes vs. 40.0 (10.0) minutes, Z=-6.321, P<0.001], less intraoperative blood loss [(138.1±51.6) ml vs. (184.3±62.1) ml, t=-3.477, P=0.001], with significant differences (all P<0.05). The median follow-up of the whole group was 18 months, and the 2-year cancer-specific survival rate was 97.5%, with 100% in the DTR group and 95.8% in the R-Y group (P=0.373). Compared with R-Y group at postoperative 1 year, the reduction rate of weight, hemoglobin and vitamin B12 were lower in DTR group with significant differences (all P<0.05); at postoperative 2-year, the reduction rate of vitamin B12 was still lower with significant differences (P<0.001), but the reduction rates of total protein, albumin, total cholesterol, body weight and hemoglobin were similar between the two groups (all P>0.05). Conclusions: LPG-DTR is safe and feasible in the treatment of early upper gastric cancer. The short-term postoperative nutritional status and long-term vitamin B12 levels of patients undergoing LPG-DTR are superior to those undergoing LTG-RY.
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Affiliation(s)
- G L Qiu
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - C Wei
- Clinical Medicine Teaching and Research Section, Xi'an Health School, Xi'an 710054, China
| | - M K Zhu
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - S N Han
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - X W Li
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - H J Wang
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - P X Wang
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - J H Liu
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - H Y Zhou
- Department of General Surgery, Hanzhong Central Hospital, Hanzhong 723000, China
| | - X H Liao
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - X M Che
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - L Fan
- Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
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Liu H, Xiang Y, Zong QB, Dai ZT, Wu H, Zhang HM, Huang Y, Shen C, Wang J, Lu ZX, Ponnambalam S, Chen K, Wu Y, Zhang TC, Liao XH. TDO2 modulates liver cancer cell migration and invasion via the Wnt5a pathway. Int J Oncol 2022; 60:72. [PMID: 35475491 DOI: 10.3892/ijo.2022.5362] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 03/21/2022] [Indexed: 11/06/2022] Open
Abstract
Liver cancer is a malignant cancer phenotype for which there currently remains a lack of reliable biomarkers and therapeutic targets for disease management. Tryptophan 2,3‑dioxygenase (TDO2), a heme‑containing polyoxygenase enzyme, is primarily expressed in cells of the liver and nervous systems. In the present study, through the combination of cancer bioinformatics and analysis of clinical patient samples, it was shown that TDO2 expression in liver cancer tissue samples was significantly higher than that in normal tissues, and liver cancer patients with high TDO2 expression had a poor prognosis. Mechanistic studies on liver cancer cells showed that TDO2 promoted cancer cell migration and invasion via signal transduction through the Wnt5a pathway. Such regulation impacted the expression of cancer‑associated biomarkers, such as matrix metalloprotease 7 (MMP7) and the cell adhesion receptor CD44. Treatment with a calcium channel blocker (azelnidipine) reduced TDO2 levels and inhibited liver cancer cell migration and invasion. A mouse xenograft cancer model showed that TDO2 promoted tumorigenesis. Furthermore, azelnidipine treatment to downregulate TDO2 also decreased liver cancer development in this mouse cancer model. TDO2 is thus not only a useful liver cancer biomarker but a potential drug target for management of liver cancer.
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Affiliation(s)
- Hui Liu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Qi-Bei Zong
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Hao Wu
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - You Huang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Chao Shen
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Zhong-Xin Lu
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
| | | | - Kun Chen
- School of Medicine, Liaocheng University, Liaocheng, Shandong 252000, P.R. China
| | - Yuan Wu
- Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430079, P.R. China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
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17
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Li HN, Zhang HM, Li XR, Wang J, Xu T, Li SY, Dong ML, Wang G, Cui XQ, Yang X, Wu YL, Liao XH, Du YY. MiR-205-5p/GGCT Attenuates Growth and Metastasis of Papillary Thyroid Cancer by Regulating CD44. Endocrinology 2022; 163:6537106. [PMID: 35213720 PMCID: PMC8944316 DOI: 10.1210/endocr/bqac022] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Indexed: 11/23/2022]
Abstract
Papillary thyroid cancer (PTC) remains the most common endocrine malignancy, despite marked achieves in recent decades, and the mechanisms underlying the pathogenesis and progression for PTC are incompletely elucidated. Accumulating evidence show that γ-glutamylcyclotransferase (GGCT), an enzyme participating in glutathione homeostasis and is elevated in multiple types of tumors, represents an attractive therapeutic target. Using bioinformatics, immunohistochemistry, qRT-PCR, and Western blot assays, we found that GGCT expression was upregulated in PTC and correlated with more aggressive clinicopathological characteristics and worse prognosis. GGCT knockdown inhibited the growth and metastasis ability of PTC cells both in vitro and in vivo and reduced the expression of mesenchymal markers (N-cadherin, CD44, MMP2, and MMP9) while increasing epithelial marker (E-cadherin) in PTC cells. We confirmed binding of microRNA-205-5p (miR-205-5p) on the 3'-UTR regions of GGCT by dual-luciferase reporter assay and RNA-RNA pull-down assay. Delivery of miR-205-5p reversed the pro-malignant capacity of GGCT both in vitro and in vivo. Lastly, we found that GGCT interacted with and stabilized CD44 in PTC cells by co-immunoprecipitation and immunohistochemistry assays. Our findings illustrate a novel signaling pathway, miR-205-5p/GGCT/CD44, that involves in the carcinogenesis and progression of PTC. Development of miR-205-mimics or GGCT inhibitors as potential therapeutics for PTC may have remarkable applications.
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Affiliation(s)
- Han-Ning Li
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Hui-Min Zhang
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, People’s Republic of China
| | - Xing-Rui Li
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Jun Wang
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, People’s Republic of China
| | - Tao Xu
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Department of Obstetrics and Gynecology, Cancer Biology research center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Shu-Yu Li
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Meng-Lu Dong
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Ge Wang
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Xiao-Qing Cui
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Xue Yang
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Yong-Lin Wu
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
| | - Xing-Hua Liao
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, People’s Republic of China
- Correspondence: Xing-Hua Liao, Ph.D., College of Life Science and Health, Wuhan University of Science and Technology, People’s Republic of China.
| | - Ya-Ying Du
- Department of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of Thyroid and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Laboratory of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430030, People’s Republic of China
- Correspondence: Ya-Ying Du, M.D., Ph.D., Surgeon of Department of Thyroid and Breast Surgery, Tongji Hospital, Deputy Dean for Clinical Affairs, Laboratory of Thyroid and Breast Surgery, People’s Republic of China.
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Huang F, Xiang Y, Li T, Huang Y, Wang J, Zhang HM, Li HH, Dai ZT, Li JP, Li H, Zhou J, Liao XH. Metformin and MiR-365 synergistically promote the apoptosis of gastric cancer cells via MiR-365-PTEN-AMPK axis. Pathol Res Pract 2022; 230:153740. [PMID: 35007850 DOI: 10.1016/j.prp.2021.153740] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/10/2021] [Accepted: 12/16/2021] [Indexed: 01/19/2023]
Abstract
Metformin is an oral biguanide used to treat diabetes. Recent study showed it may interfere was related to cancer progression and has a positive effect on cancer prevention and treatment, which attracts a new hot research topic. Here we show that Metformin suppressed the proliferation but induced apoptosis of gastric cells. Notably, Metformin enhanced gastriccell apoptosis via modulating AMPK signaling. Furthermore, Metformin and miR-365 synergistically promote the apoptosis of gastric cancer cells by miR-365-PTEN-AMPK axis. Our study unraveled a novel signaling axis in the regulation in gastric cancer, which could be amplified by the application of metformin. The new effect of metformin potentiates its novel therapeutic application in the future. AVAILABILITY OF DATA AND MATERIALS: The data generated during this study are included in this article and its supplementary information files are available from the corresponding author on reasonable request.
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Affiliation(s)
- Feng Huang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430014, PR China.
| | - Ting Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - You Huang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Jun Wang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Hui-Min Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Han-Han Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Jun Zhou
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China.
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Dai ZT, Xiang Y, Duan YY, Wang J, Li JP, Zhang HM, Cheng C, Wang Q, Zhang TC, Liao XH. MiR-17-5p and MKL-1 modulate stem cell characteristics of gastric cancer cells: Erratum. Int J Biol Sci 2022; 18:3104-3106. [PMID: 35541918 PMCID: PMC9066123 DOI: 10.7150/ijbs.73846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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20
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Liao XH, An J, Su GL, Li YF, Dong Y, Yin T, Wu CL, Wang H, Han XH, Mei HB. [ Efficacy analysis of retroperitoneal laparoscopic selective renal artery branch occlusion and nephron sparing surgery for ≥ T1b stage renal carcinoma]. Zhonghua Yi Xue Za Zhi 2021; 101:3961-3965. [PMID: 34954999 DOI: 10.3760/cma.j.cn112137-20210630-01479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the safety and efficacy of retroperitoneal laparoscopic selective renal artery branch occlusion with nephron sparing surgery in patients with renal carcinoma of stage ≥ T1b. Methods: From July 2016 to September 2020, 35 patients with renal cancer ≥T1b underwent retroperitoneoscopic nephron sparing surgery in the First Affiliated Hospital of Shenzhen University. The surgical methods were retroperitoneoscopic nephron sparing surgery with total renal artery occlusion (group A) or selective renal artery branch occlusion (group B). Operation time, heat ischemia time, blood transfusion rate, positive margin rate, intraoperative blood loss, postoperative complications and length of hospital stay were compared between the two groups, and the total glomerular filtration rate (GFR) and the single-nephron glomerular filtration rate (sGFR) of the offected kidneys were compared between the two groups before, 3 months after and 12 months after surgery. Results: Among the 35 patients, 19 were male and 16 were female, aged (55.7±8.4) years and the body mass index is (24.6±3.1) kg/m2. The tumor diameter was (54.7±10.3) mm. The difference was statistically significant of operative time between group A and B [(103.5±14.3) vs (123.2±14.1) min,P=0.003]. There were no significant differences in thermal ischemia time, blood transfusion rate, positive margin, intraoperative blood loss, incidence of postoperative complications and length of hospital stay between the two groups (all P>0.05). The decrease of renal sGFR in the group A was significantly higher than group B at 3 months and 12 months after surgery [(23.1±3.6) vs (29.1±7.1) ml/min;(25.9±4.7) vs (30.7±7.2),both P<0.05]. Conclusion: Retroperitoneal laparoscopic selective renal artery branch occlusion and neon-sparing surgery for patients with ≥ T1b stage renal carcinoma is a safe and effective surgical method, which can well protect the renal function of patients in the early postoperative stage without increasing intraoperative blood loss and postoperative complications.
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Affiliation(s)
- X H Liao
- Department of Urology, the Second People' s Hospital of Shenzhen, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - J An
- Department of Urology, the Second People' s Hospital of Shenzhen, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - G L Su
- Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Shenzhen 518035, China
| | - Y F Li
- Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Shenzhen 518035, China
| | - Y Dong
- Shenzhen Key Laboratory of Genitourinary Tumor, Shenzhen 518035, China
| | - T Yin
- Shenzhen Key Laboratory of Genitourinary Tumor, Shenzhen 518035, China
| | - C L Wu
- Department of Urology, the Second People' s Hospital of Shenzhen, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - H Wang
- Department of Urology, the Second People' s Hospital of Shenzhen, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - X H Han
- Department of Urology, the Second People' s Hospital of Shenzhen, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
| | - H B Mei
- Department of Urology, the Second People' s Hospital of Shenzhen, the First Affiliated Hospital of Shenzhen University, Shenzhen 518035, China
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21
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Tang QL, Gu LX, Xu Y, Liao XH, Zhou Y, Zhang TC. Establishing functional lentiviral vector production in a stirred bioreactor for CAR-T cell therapy. Bioengineered 2021; 12:2095-2105. [PMID: 34047682 PMCID: PMC8806440 DOI: 10.1080/21655979.2021.1931644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 11/01/2022] Open
Abstract
As gene delivery tools, lentiviral vectors (LV) have broad applications in chimeric antigen receptor therapy (CAR-T). Large-scale production of functional LV is limited by the adherent, serum-dependent nature of HEK293T cells used in the manufacturing. HEK293T adherent cells were adapted to suspension cells in a serum-free medium to establish large-scale processes for functional LV production in a stirred bioreactor without micro-carriers. The results showed that 293 T suspension was successfully cultivated in F media (293 CD05 medium and SMM293-TII with 1:1 volume ratio), and the cells retained the capacity for LV production. After cultivation in a 5.5 L bioreactor for 4 days, the cells produced 1.5 ± 0.3 × 107 TU/mL raw LV, and the lentiviral transduction efficiency was 48.6 ± 2.8% in T Cells. The yield of LV equaled to the previous shake flask. The critical process steps were completed to enable a large-scale LV production process. Besides, a cryopreservation solution was developed to reduce protein involvement, avoid cell grafting and reduce process cost. The process is cost-effective and easy to scale up production, which is expected to be highly competitive.
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Affiliation(s)
- Qu-Lai Tang
- Key Laboratory of Industrial Fermentation Microbiology of the Ministry of Education & Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Li-Xing Gu
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Yao Xu
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Xing-Hua Liao
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Yong Zhou
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Tong-Cun Zhang
- Key Laboratory of Industrial Fermentation Microbiology of the Ministry of Education & Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
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22
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Liu H, Xiang Y, Zong QB, Zhang XY, Wang ZW, Fang SQ, Zhang TC, Liao XH. miR-6745-TIMP1 axis inhibits cell growth and metastasis in gastric cancer. Aging (Albany NY) 2021; 13:24402-24416. [PMID: 34775375 PMCID: PMC8610132 DOI: 10.18632/aging.203688] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/27/2021] [Indexed: 12/14/2022]
Abstract
Tissue inhibitor matrix metalloproteinase 1 (TIMP1) has been reported to act as a tumor oncogene in colon cancer. However, little is known about the biological role of TIMP1 in gastric cancer. In this study, we found that the expression of TIMP1 in GC tissues was upregulated compared with the normal gastric tissues. TIMP1 was confirmed as a direct target of miR-6745 and silencing TIMP1 mimicked the effects of miR-6745 in GC cells. Further mechanism studies have shown that miR-6745 inhibits the Wnt/β-catenin pathway by targeting TIMP1, thereby inhibiting cell proliferation, migration and invasion. In addition, through the analysis of GC tissues, a negative correlation between miR-6745 and TIMP1 was found in 42 GC tissues. Our findings indicate that the miR-6745-TIMP1 axis regulates Wnt/βcatenin signaling and participates in GC tumorigenesis and provide a potential therapeutic target for preventing GC progression.
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Affiliation(s)
- Hui Liu
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China.,Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430014, P.R. China
| | - Qi-Bei Zong
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Xiao-Yu Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Zhi-Wen Wang
- Yueyang Key Laboratory of Chronic Noncommunicable Diseases, Yueyang Vocational and Technical College, Hunan 414000, P.R. China
| | - Shi-Qiang Fang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430014, P.R. China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, P.R. China
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23
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Cui YQ, Xiang Y, Meng F, Ji CH, Xiao R, Li JP, Dai ZT, Liao XH. ALDH2 promotes uterine corpus endometrial carcinoma proliferation and construction of clinical survival prognostic model. Aging (Albany NY) 2021; 13:23588-23602. [PMID: 34670872 PMCID: PMC8580334 DOI: 10.18632/aging.203605] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/20/2021] [Indexed: 12/28/2022]
Abstract
UCEC is one of the three common malignant tumors of the female reproductive tract. According to reports, the cure rate of early UCEC can reach 95%. Therefore, the development of prognostic markers will help UCEC patients to find the disease earlier and develop treatment earlier. The ALDH family was first discovered to be the essential gene of the ethanol metabolism pathway in the body. Recent studies have shown that ALDH can participate in the regulation of cancer. In our research, we explored the expression of the ALDH family in 33 cancers. It was found that ALDH2 was abnormally expressed in UCEC. Besides, in vivo and in vitro experiments were conducted to explore the effect of ALDH2 expression on the proliferation of UCEC cell lines. Meanwhile, the change of its expression is not due to gene mutations, but is regulated by miR-135-3p. At the same time, the impact of ALDH2 changes on the survival of UCEC patients is deeply discussed. Finally, a nomogram for predicting survival was constructed, with a C-index of 0.798 and AUC of 0.764. This study suggests that ALDH2 may play a crucial role in UCEC progression and has the potential as a prognostic biomarker of UCEC.
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Affiliation(s)
- Yun-Qian Cui
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, PR China
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, Hubei, PR China
| | - Fei Meng
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, PR China
| | - Chun-Hui Ji
- School of Bioengineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, PR China
| | - Rui Xiao
- Hubei Province Hospital of Traditional Chinese and Western Medicine, Hubei 430010, PR China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei 430081, PR China
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24
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Dai ZT, Xiang Y, Duan YY, Wang J, Li JP, Zhang HM, Cheng C, Wang Q, Zhang TC, Liao XH. MiR-17-5p and MKL-1 modulate stem cell characteristics of gastric cancer cells. Int J Biol Sci 2021; 17:2278-2293. [PMID: 34239355 PMCID: PMC8241736 DOI: 10.7150/ijbs.57338] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 05/22/2021] [Indexed: 12/13/2022] Open
Abstract
Effectively targeting cancer stem cells to treat cancer has great therapeutic prospects. However, the effect of microRNA miR-17/MKL-1 on gastric cancer stem cells has not been studied yet. This study preliminarily explored the mechanism of miR-17/MKL-1 in gastric cancer stem cells. Many previous reports have indicated that microRNA and EMT regulated cancer stem cell characteristics, and miR-17 and MKL-1 were involved as a critical gene in migration and invasion in the EMT pathway. Through RT-PCR, Western Blot, flow cytometry, immunofluorescence, sphere formation xenograft tumor assays and drug resistance, the role of miR-17-5p and MKL-1 on promoting stem cell-like properties of gastric cancer were verified in vivo and vitro. Next, MKL-1 targets CD44, EpCAM, and miR -17-5p promoter verified by luciferase assay and ChIP. Besides, the TCGA database analysis found that both miR-17-5p and MKL-1 increased in gastric cancer, and the prognostic survival of the MKL-1 high expression group was reduced. It is found that MKL-1 promotes expression by targeting miR-17, CD44 and EpCAM promoters. Besides, the TCGA database analysis found that both miR-17-5p and MKL-1 increased in gastric cancer, and the prognostic survival of the MKL-1 high expression group was reduced. These findings reveal new regulatory signaling pathways for gastric cancer stem cells, thus it give new insights on potential early diagnosis and/or molecular therapy for gastric cancer.
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Affiliation(s)
- Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Yuan Xiang
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Hubei, 430014, P.R. China
| | - Yuan-Yuan Duan
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Jia Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Chao Cheng
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qiong Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China.,Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tinajin, 300457, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
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Dai ZT, Xiang Y, Wang Y, Bao LY, Wang J, Li JP, Zhang HM, Lu Z, Ponnambalam S, Liao XH. Prognostic value of members of NFAT family for pan-cancer and a prediction model based on NFAT2 in bladder cancer. Aging (Albany NY) 2021; 13:13876-13897. [PMID: 33962392 PMCID: PMC8202856 DOI: 10.18632/aging.202982] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 03/26/2021] [Indexed: 04/23/2023]
Abstract
Bladder cancer (BLCA) is one of the common malignant tumors of the urinary system. The poor prognosis of BLCA patients is due to the lack of early diagnosis and disease recurrence after treatment. Increasing evidence suggests that gene products of the nuclear factor of activated T-cells (NFAT) family are involved in BLCA progression and subsequent interaction(s) with immune surveillance. In this study, we carried out a pan-cancer analysis of the NFAT family and found that NFAT2 is an independent prognostic factor for BLCA. We then screened for differentially expressed genes (DEGs) and further analyzed such candidate gene loci using gene ontology enrichment to curate the KEGG database. We then used Lasso and multivariate Cox regression to identify 4 gene loci (FER1L4, RNF128, EPHB6, and FN1) which were screened together with NFAT2 to construct a prognostic model based on using Kaplan-Meier analysis to predict the overall survival of BLCA patients. Moreover, the accuracy of our proposed model is supported by deposited datasets in the Gene Expression Omnibus (GEO) database. Finally, a nomogram of this prognosis model for BLCA was established which could help to provide better disease management and treatment.
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Affiliation(s)
- Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, Hubei, P.R. China
| | - Yundan Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Le-Yuan Bao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
| | - Zhongxin Lu
- Department of Medical Laboratory, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, Hubei, P.R. China
| | - Sreenivasan Ponnambalam
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, United Kingdom
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Wuhan 430081, Hubei, P.R. China
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Li H, Zhang HM, Fan LJ, Li HH, Peng ZT, Li JP, Zhang XY, Xiang Y, Gu CJ, Liao XH, Wang L, Zhang TC. STAT3/miR-15a-5p/CX3CL1 Loop Regulates Proliferation and Migration of Vascular Endothelial Cells in Atherosclerosis. Int J Med Sci 2021; 18:964-974. [PMID: 33456354 PMCID: PMC7807201 DOI: 10.7150/ijms.49460] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 12/19/2020] [Indexed: 01/01/2023] Open
Abstract
Endothelial cell proliferation disorder caused by vascular injury seems to be one of the causes of atherosclerosis, which is the pathological basis of coronary heart disease. The role of STAT3 in the regulation of microRNAs and endothelial dysfunction in atherosclerosis is unclear. STAT3 can be activated by cytokine IL-6 and up regulate the expression of CX3CL1. In addition, microRNA-15a-5p (miR-15a-5p) inhibited the transcription of CX3CL1, the proliferation of vascular endothelial cells and the proliferation of STAT3 regulated vascular endothelial cells. STAT3 positively regulates the expression of CX3CL1, and then down-regulates the inhibition of CX3CL1 by over-expression of miR-15a-5p, thus forming an elimination feedback loop to control the proliferation of HUVECs and affect the progression of atherosclerosis. In conclusion, miR-15a-5p may be the therapeutic target of the pathological basis of coronary atherosclerosis.
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Affiliation(s)
- Hui Li
- College of Life Sciences and Health, School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Hui-Min Zhang
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Li-Juan Fan
- Tianyou Hospital Affiliated To Wuhan University of Science and Technology, Hubei, 430000, P.R.China
| | - Han-Han Li
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Zi-Tan Peng
- Huangshi Central Hospital, Hubei, 435000, P.R.China
| | - Jia-Peng Li
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Xiao-Yu Zhang
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Yuan Xiang
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Chao-Jiang Gu
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Xing-Hua Liao
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Li Wang
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
| | - Tong-Cun Zhang
- College of Life Sciences and Health, Wuhan University of Science and Technology, Hubei, 430081, P.R.China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P.R.China
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27
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Fan HN, Liao XH, Zhang J, Zheng HM. Macrophages promote cell proliferation in colorectal cancer via IL-1β-mediated downregulation of miR-28-3p. J BIOL REG HOMEOS AG 2020; 34:1657-1668. [PMID: 33111515 DOI: 10.23812/20-210-a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Infiltration of macrophages is associated with tumor progression and poor prognosis in multiple malignancies, but the underlying mechanisms by which macrophages contribute to colorectal cancer (CRC) have not yet been elucidated. The purpose of this study was to discuss the potential mechanisms of macrophages in CRC. The MTT assay was used to assess cell viability. The expression of the proliferation-related marker PCNA was detected by Western blot analysis. The 10 most important factors (PDGF, VEGF, TNFα, bFGF, IL-8, TGF-β, IFN-γ, SPARC, IL-1β and IL-6) secreted by macrophages were knocked down by RNA interference (RNAi), and the mRNA expression levels of these 10 factors were analyzed by qRT-PCR. The effect of these factors on cell proliferation was assessed by the MTT assay. The miRNAs regulated by IL-1β in CRC cells were identified by miRNA microarray and qRT-PCR analyses. The proliferation ability of miR-28-3p inhibitor on CRC cells was detected by colony formation assay. The association of IL-1β and miR-28-3p expression with the clinicopathological characteristics in patients with CRC was analyzed by TCGA RNA-seq data. As a result, macrophages promoted the proliferation of CRC cells in a time- and number-dependent manner, and these effects were associated with the upregulation of PCNA and the macrophage-secreted cytokine IL-1β, which had the most significant effect on CRC cell proliferation. Furthermore, downregulation of miR-28-3p was induced by IL-1β in CRC cells. The miR-28-3p inhibitor promoted the proliferation in CRC cells. Moreover, upregulation of IL-1β expression or downregulation of miR-28-3p expression was associated with poor survival in patients with CRC. Therefore, these data demonstrated that macrophages promoted CRC cell proliferation via IL-1β-mediated downregulation of miR-28-3p.
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Affiliation(s)
- H N Fan
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - X H Liao
- Department of Gastroenterology, Baoan Central Hospital of Shenzhen, the 5th Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong, China
| | - J Zhang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - H M Zheng
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Wang R, Liao XH, Li SH, Liu DW. [Mutifocal EB virus associated smooth muscle tumor arising in intestinal tract of non transplantation/HIV patient: report of a case]. Zhonghua Bing Li Xue Za Zhi 2020; 49:938-940. [PMID: 32892563 DOI: 10.3760/cma.j.cn112151-20191226-00829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- R Wang
- Department of Pathology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510008, China
| | - X H Liao
- Department of Digestive Internal, the East Hospital of the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510008, China
| | - S H Li
- Department of Molecular Diagnosis Center, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510008, China
| | - D W Liu
- Department of Pathology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510008, China
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Zhang HM, Li H, Wang GX, Wang J, Xiang Y, Huang Y, Shen C, Dai ZT, Li JP, Zhang TC, Liao XH. MKL1/miR-5100/CAAP1 loop regulates autophagy and apoptosis in gastric cancer cells. Neoplasia 2020; 22:220-230. [PMID: 32315812 PMCID: PMC7167518 DOI: 10.1016/j.neo.2020.03.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 02/06/2023] Open
Abstract
Purpose miR-5100 participates in the proliferation of lung cancer and pancreatic cancer cells, and participates in the differentiation of osteoblasts. However, the regulation of gastric cancer cells in gastric cancer cells remains unclear. Experimental design The blood of patients was collected to detect the expression level of miR-5100, and the apoptosis and autophagy levels of cells were detected using western blot, flow cytometry, and confocal. At the same time, in vitro tumor formation experiments in nude mice were used to verify the results of in vitro experiments. Results The expression of miR-5100 is related to the prognosis of gastric cancer, miR-5100 can enhance the apoptosis level of gastric cancer cells and inhibit the occurrence of autophagy by targeting CAAP1. MKL1 can inhibit the apoptosis of gastric cancer cells and promote the occurrence of autophagy by targeting CAAP1. At the same time, MKL1 can also increase the expression of miR-5100. Conclusions Our research reveals the mechanism by which the MKL1/miR-5100/CAAP1 loop regulates apoptosis and autophagy levels in gastric cancer cells, and miR-5100 is expected to become a new potential target for gastric cancer treatment.
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Affiliation(s)
- Hui-Min Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Hui Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Gen-Xin Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China.
| | - Jun Wang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - You Huang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Chao Shen
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China.
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, 430000, PR China.
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30
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Yang M, Chen J, Peng W, Li Q, Shao H, Tang G, Zhang TC, Takada Y, Ye L, Liao XH. Efficient synthesis and cell migration inhibitory effect of substituted benzamidothiazolylpyrazole-capped AWD*I-NH 2. Bioorg Med Chem Lett 2019; 30:126914. [PMID: 31889665 DOI: 10.1016/j.bmcl.2019.126914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/05/2019] [Accepted: 12/16/2019] [Indexed: 01/15/2023]
Abstract
Substituted (2-benzamidothiazol-5-yl)pyrazole-capped AWD*I-NH2 were synthesized and their antimigration activity was studied. The improved efficiency and scalability of the analog synthesis was achieved via a late-stage diversification of the benzoyl group and a convergent route in which the bisazole capping agents and off-resin peptide AWD*I-NH2 were prepared in parallel and coupled together in solution at the last step. Bioassay results indicate that all the peptidomimetics can significantly inhibit the migration of breast cancer cells MDA-MB-231 but possess no apparent cytotoxicity. In general, the antimigration potency of the peptidomimetics is correlated to the electron-withdrawing capacity of the substituents on the terminal phenyl ring. The inhibitory effect shows dose-dependent and holds also against lung and cervical cancer cells. The level of f-actin was reduced dramatically in cells treated with the inhibitor, suggesting that the migration inhibitory effect is related to the disruption of cell locomotive protrusions.
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Affiliation(s)
- Mian Yang
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Jun Chen
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Wancai Peng
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Qiqi Li
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Hui Shao
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Guanping Tang
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Tong-Cun Zhang
- School of Life Sciences and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China
| | - Yoshikazhu Takada
- Department of Dermatology, Biochemistry and Molecular Medicine, University of California Davis, School of Medicine, Sacramento, CA, United States
| | - Long Ye
- Department of Chemistry, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China.
| | - Xing-Hua Liao
- School of Life Sciences and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, PR China.
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31
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Xiang Y, Li JP, Guo W, Wang DQ, Yao A, Zhang HM, Huang F, Li HH, Dai ZT, Zhang ZJ, Li H, Tan Y, Chen K, Bao LY, Liao XH. Novel interactions between ERα-36 and STAT3 mediate breast cancer cell migration. Cell Commun Signal 2019; 17:93. [PMID: 31409371 PMCID: PMC6693284 DOI: 10.1186/s12964-019-0409-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 08/01/2019] [Indexed: 12/12/2022] Open
Abstract
Background Breast cancer is the leading cause of cancer death in women worldwide which is closely related to metastasis. But the exact molecular mechanism of ERα-36 and STAT3 on metastasis is still not fully understood. Methods MCF-7 and MDA-MB-231 human breast cancer cell lines and MCF-10A were overexpressioned or knockdown ERα-36 and STAT3 and tested for migration, invasion and proliferation assays. Direct interaction of STAT3 and ERα-36 were analyzed by coimmunoprecipitation assays. The effect of STAT3 and ERα-36 on MMP2/9 expression was analyzed by qPCR and western blotting. STAT3 phospholyation and acetylation by ERα-36 and p300 were observed and quantified by coimmunoprecipitation assays and western blotting. Results Cross-talk between ERα-36 and STAT3 was demonstrated to mediate through a direct physical association between the two proteins. Furthermore, the interaction between ERα-36 and STAT3 was demonstrated to give rise to functional changes in their signaling events. Both MMP2 and MMP9 expression require the binding of the newly identified protein complex, ERα-36-STAT3, to its promoter, the second phase, which is more robust, depends on ERα-mediated recruitment of p300 onto the complex and the subsequent acetylation of STAT3. In addition, STAT3 is tyrosine-phosphorylated in a biphasic manner, and the late phase requires ERα-36-mediated p300-dependent acetylation. Furthermore, interference with acetylation of STAT3 by overexpression of acetylation null STAT3 mutant led to the loss of MMP2 and MMP9 expression. ChIP analysis and reporter gene assays revealed that ERα-36-STAT3 complex binding to the MMP2 and MMP9 promoter led to an enhanceosome formation and facilitated MMP2 and MMP9 expression. Conclusions Our studies demonstrate for the first time that the function of MMP2 and MMP9 in breast cancer cell migration, which is mediated by interactions between ERα-36 and STAT3.
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Affiliation(s)
- Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Jia Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Wei Guo
- Shenzhen Ritzcon Biological Technology Co., LTD, Shenzhen, Guangdong, 518000, China
| | | | - Ao Yao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Hui-Min Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Feng Huang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Han-Han Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Zi-Jiang Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Yao Tan
- The Affiliated Tumor Hospital of Xinjiang Medical University, Uygur Autonomous Region, Urumqi, Xinjiang, 830011, China
| | - Kun Chen
- College of Pharmaceutical, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Le-Yuan Bao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China.
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China. .,Shenzhen Ritzcon Biological Technology Co., LTD, Shenzhen, Guangdong, 518000, China.
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Li JP, Liao XH, Xiang Y, Yao A, Fan LJ, Li H, Zhang ZJ, Huang F, Dai ZT, Zhang TC. MKL1/miR34a/FOXP3 axis regulates cell proliferation in gastric cancer. J Cell Biochem 2019; 120:7814-7824. [PMID: 30426547 DOI: 10.1002/jcb.28056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/22/2018] [Indexed: 01/24/2023]
Abstract
Megakaryoblastic leukemia 1 (MKL1) was closely related to the pathogenesis of various human malignant cancers. MiR34a was reported to be closely related to cancer cell proliferation. Forkhead box protein 3 (FOXP3) was a transcription factor that played a different role in different cancer types. CDK6 was involved in cell cycle progression and was upregulated in several types of cancers. The present study investigated the effects of MKL1/miR34a/FOXP3 axis on cell proliferation in MGC803 gastric cancer cells. Our results demonstrated that overexpression of MKL1 promoted proliferation of MGC80-3 cells, MKL1 directly binding to the promoter of CDK6 to increase its expression. Knockdown of FOXP3 promoted proliferation of MGC80-3 cells and MKL1 inhibited the expression of FOXP3 via miR-34a. The finding can contribute to elucidating the regulatory mechanism involved in the cell cycle progression of gastric cancer cells and may aid in screening potential gene targets for the biological therapy of gastric cancer.
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Affiliation(s)
- Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Ao Yao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Li-Juan Fan
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Hui Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Zi-Jian Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Feng Huang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Zhou-Tong Dai
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China.,Key Laboratory of Industrial Fermentation Microbiology, Minwastry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
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Yao A, Xiang Y, Si YR, Fan LJ, Li JP, Li H, Guo W, He HX, Liang XJ, Tan Y, Bao LY, Liao XH. PKM2 promotes glucose metabolism through a let-7a-5p/Stat3/hnRNP-A1 regulatory feedback loop in breast cancer cells. J Cell Biochem 2019; 120:6542-6554. [PMID: 30368881 DOI: 10.1002/jcb.27947] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 10/02/2018] [Indexed: 11/07/2022]
Abstract
Tumor cells metabolize more glucose to lactate in aerobic or hypoxic conditions than normal cells. Pyruvate kinase isoenzyme type M2 (PKM2) is crucial for tumor cell aerobic glycolysis. We established a role for let-7a-5p/Stat3/hnRNP-A1/PKM2 signaling in breast cancer cell glucose metabolism. PKM2 depletion via small interfering RNA (siRNA) inhibits cell proliferation and aerobic glycolysis in breast cancer cells. Signal transducer and activator of transcription 3 (Stat3) promotes upregulation of heterogeneous nuclear ribonucleoprotein (hnRNP)-A1 expression, hnRNP-A1 binding to pyruvate kinase isoenzyme (PKM) pre messenger RNA, and the subsequent formation of PKM2. This pathway is downregulated by the microRNA let-7a-5p, which functionally targets Stat3, whereas hnRNP-A1 blocks the biogenesis of let-7a-5p to counteract its ability to downregulate the Stat3/hnRNP-A1/PKM2 signaling pathway. The downregulation of Stat3/hnRNP-A1/PKM2 by let-7a-5p is verified using a breast cancer. These results suggest that let-7a-5p, Stat3, and hnRNP-A1 form a feedback loop, thereby regulating PKM2 expression to modulate glucose metabolism of breast cancer cells. These findings elucidate a new pathway mediating aerobic glycolysis in breast cancers and provide an attractive potential target for breast cancer therapeutic intervention.
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Affiliation(s)
- Ao Yao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Yu-Rui Si
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Li-Juan Fan
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Hui Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Wei Guo
- Shenzhen Ritzcon Biological Technology Co, Ltd, Shenzhen, China
| | - Hui-Xin He
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Xing-Jie Liang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Yao Tan
- The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region, China
| | - Le-Yuan Bao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
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34
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Guan TM, Xiao S, Liu DC, Liao XH, Li WD, Wu KF, Huang R. Protective effects of aqueous extract of wampee fruit against anti-tubercular drug-induced hepatotoxicity in rats. J BIOL REG HOMEOS AG 2019; 33:175-181. [PMID: 30663299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Affiliation(s)
- T M Guan
- Department of Pharmacy, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China
| | - S Xiao
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, China
| | - D Ch Liu
- Wuzhou Red Cross Hospital, Wuzhou, Guangxi, China
| | - X H Liao
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, China
| | - W D Li
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, China
- Guangdong Laboratory Animals Monitoring Institute, Guangzhou, Guangdong, China
| | - K F Wu
- Guangdong Key Laboratory for Research and Development of Natural Drugs, Guangdong Medical University, Zhanjiang, Guangdong, China
| | - R Huang
- Guangdong Laboratory Animals Monitoring Institute, Guangzhou, Guangdong, China
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35
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Li JP, Xiang Y, Fan LJ, Yao A, Li H, Liao XH. Long noncoding RNA H19 competitively binds miR-93-5p to regulate STAT3 expression in breast cancer. J Cell Biochem 2018; 120:3137-3148. [PMID: 30256448 DOI: 10.1002/jcb.27578] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 08/08/2018] [Indexed: 12/31/2022]
Abstract
The long noncoding RNA H19 is overexpressed in many cancers and acts as an oncogene. Here, we explored the role of H19 in breast cancer cells, including the effect of H19 on proliferation, migration, and invasion of breast cancer cells. We also investigated the relation of H19 to microRNA miR-93-5p and signal transducers and activators of transcription 3 (STAT3), the target gene of miR-93-5p. Ectopic expression of H19 in MCF-7 cells and knockdown of H19 in MDA-MB-231 cells showed that overexpression of H19 promoted proliferation, migration, and invasion, whereas knockdown of H19 reduced proliferation, migration, and invasion in vitro. Dual-luciferase reporter assays and RNA-binding protein immunoprecipitation assays proved that H19 was a target of miR-93-5p. In addition, H19 antagonized the downregulation of miR-93-5p on its target STAT3 and antagonized miR-93-5p-mediated cell proliferation. Our study revealed a new network in the expression of STAT3 involving H19 and miR-93-5p, which may contribute to a better understanding of breast cancer pathogenesis and provide new insights into the treatment of this disease.
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Affiliation(s)
- Jia-Peng Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Yuan Xiang
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Li-Juan Fan
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Ao Yao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Hui Li
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, College of Life and Health Sciences, Wuhan University of Science and Technology, Hubei, China
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36
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Liao XH, Xie Z, Guan CN. MiRNA-500a-3p inhibits cell proliferation and invasion by targeting lymphocyte antigen 6 complex locus K (LY6K) in human non-small cell lung cancer. Neoplasma 2018; 65:673-682. [PMID: 30249107 DOI: 10.4149/neo_2018_170516n355] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 12/08/2017] [Indexed: 11/08/2022]
Abstract
LY6K (lymphocyte antigen 6 complex locus K) is an anti-gene in non-small cell lung cancer (NSCLC) and miR-500a-3p promotes the progression of cancers. Evidence shows that the increase of miR-500a-3p caused LY6K to be suppressed. Here we hypothesized that miR-500a-3p may take part in the progression of NSCLC through targeting LY6K. miR-500a-3p expression levels in NSCLC specimens and cell lines were detected by quantitative real-time PCR (qRT-PCR). The mRNA and protein expression levels of LY6K in NSCLC specimens and cell lines were examined by qRT-PCR, immunohistochemistry and western blotting. Dual-luciferase reporter assay was carried out to assess miR-500a-3p binding to LY6K gene. The functions of miR-500a-3p and LY6K in proliferation/invasion and lung metastasis formation were assessed by CCK8, Transwell assay and subcutaneous tumor model in nude mice, respectively. Statistical analysis was performed to explore the clinical correlation between miR-500a-3p/LY6K expression and clinicopathological features. miR-500a-3p was substantially decreased in NSCLC tissues and cell lines. LY6K protein and mRNA level expressions were increased in NSCLC patients. Clinical analysis indicated that miR-500a-3p and LY6K were related to tumor differentiation, lymph node metastasis and TNM staging in NSCLC patients. MiR-500a-3p suppresses cell proliferation, invasion and metastasis formation in vivo by targeting the LY6K. miR-500a-3p acts as a tumor suppressor in NSCLC partially via down-regulation of LY6K expression and for NSCLC intervention and suggests a potential therapeutic target for NSCLC intervention.
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Affiliation(s)
- X H Liao
- Department of Oncology, The First Affiliated Hospital, Guangdong Medical University, Zhanjiang, China
| | - Z Xie
- Department of Oncology, The First Affiliated Hospital, Guangdong Medical University, Zhanjiang, China
| | - C N Guan
- Cancer Center, Guangdong Medical University, Dongguan, China
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37
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Liao XH, Xiang Y, Yu CX, Li JP, Li H, Nie Q, Hu P, Zhou J, Zhang TC. STAT3 is required for MiR-17-5p-mediated sensitization to chemotherapy-induced apoptosis in breast cancer cells. Oncotarget 2017; 8:15763-15774. [PMID: 28178652 PMCID: PMC5362521 DOI: 10.18632/oncotarget.15000] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 01/05/2017] [Indexed: 01/07/2023] Open
Abstract
Signal transducer and activator of transcription 3 (STAT3) controls cell survival, growth, migration, and invasion. Here, we observed that STAT3 exerted anti-apoptotic effects in breast cancer cells. On the other hand, miR-17-5p induced apoptosis in breast cancer cells, and overexpression of miR-17-5p sensitized MCF-7 cells to paclitaxel-induced apoptosis via STAT3. Overexpression of STAT3 in MCF-7 cells decreased paclitaxel-induced apoptosis, but STAT3 knockout abolished the miR-17-5p-induced increases in apoptosis. Finally, miR-17-5p promoted apoptosis by increasing p53 expression, which was inhibited by STAT3. These results demonstrate a novel pathway via which miR-17-5p inhibits STAT3 and increases p53 expression to promote apoptosis in breast cancer cells.
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Affiliation(s)
- Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Cheng-Xi Yu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Qi Nie
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China.,Wuhan Medical Treatment Center, Hubei, 430023, P.R. China
| | - Peng Hu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Jun Zhou
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China.,School of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, P.R. China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China.,Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P.R. China
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38
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Xiang Y, Liao XH, Li JP, Li H, Qin H, Yao A, Yu CX, Hu P, Guo W, Gu CJ, Zhang TC. Myocardin and Stat3 act synergistically to inhibit cardiomyocyte apoptosis. Oncotarget 2017; 8:99612-99623. [PMID: 29245928 PMCID: PMC5725119 DOI: 10.18632/oncotarget.20450] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 07/26/2017] [Indexed: 02/07/2023] Open
Abstract
Signal transducer and activator of transcription 3 (Stat3) and Myocardin regulate cardiomyocyte differentiation, proliferation, and apoptosis. We report a novel aspect of the cellular function of Myocardin and Stat3 in the regulation of cardiomyocyte apoptosis. Myocardin and Stat3 showed anti-apoptotic function by increasing the expression of Bcl-2 while reducing expression of the pro-apoptotic genes Bax, Apaf-1, caspase-9, and caspase-3. Moreover, myocardin/Stat3-mediated activation of Bcl-2 and Mcl-1 transcription is contingent on the CArG box. Myocardin and Stat3 synergistically inhibited staurosporine-induced cardiomyocyte apoptosis by up-regulating expression of anti-apoptotic Bcl-2 and Mcl-1 in neonatal rat cardiomyocytes. These results describe a novel anti-apoptotic Myocardin/Stat3 signaling pathway operating during cardiomyocyte apoptosis. This provides a molecular explanation for cardiomyocyte apoptosis inhibition as a critical component of myocardial protection.
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Affiliation(s)
- Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Huan Qin
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Ao Yao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Cheng-Xi Yu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Peng Hu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China
| | - Wei Guo
- Shenzhen Ritzcon Biological Technology Co., LTD, Shenzhen, Guangdong, 518000, P.R. China
| | - Chao-Jiang Gu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P.R. China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, 430081, P.R. China.,Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P.R. China
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39
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Xiang Y, Liao XH, Yu CX, Yao A, Qin H, Li JP, Hu P, Li H, Guo W, Gu CJ, Zhang TC. MiR-93-5p inhibits the EMT of breast cancer cells via targeting MKL-1 and STAT3. Exp Cell Res 2017; 357:135-144. [PMID: 28499590 DOI: 10.1016/j.yexcr.2017.05.007] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 05/03/2017] [Accepted: 05/08/2017] [Indexed: 12/19/2022]
Abstract
Epithelial-mesenchymal transition (EMT) plays an important role in breast cancer cell metastasis. Both (megakaryoblastic leukemia)/myocardin-like 1 (MKL-1) and Signal transducer and activator of transcription 3 (STAT3) have been implicated in the control of cellular metabolism, survival and growth. Our previous study has shown that cooperativity of MKL-1 and STAT3 promoted breast cancer cell migration. Herein, we demonstrate a requirement for MKL-1 and STAT3 in miRNA-mediated cellular EMT to affect breast cancer cell migration. Here we show that cooperativity of MKL-1 and STAT3 promoted the EMT of MCF-7 cells. Importantly, MKL-1 and STAT3 promoted the expression of Vimentin via its promoter CArG box. Interestingly, miR-93-5p inhibits the EMT of breast cancer cells through suppressing the expression of MKL-1 and STAT3 via targeted their 3'UTR. These results demonstrated a novel pathway through which miR-93-5p regulates MKL-1 and STAT3 to affect EMT controlling breast cancer cell migration.
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Affiliation(s)
- Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China.
| | - Cheng-Xi Yu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Ao Yao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Huan Qin
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Peng Hu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Wei Guo
- Shenzhen Ritzcon Biological Technology Co., LTD, Shenzhen, Guangdong 518000, PR China
| | - Chao-Jiang Gu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei 430081, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China.
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40
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Li H, Xiang Y, Fan LJ, Zhang XY, Li JP, Yu CX, Bao LY, Cao DS, Xing WB, Liao XH, Zhang TC. Myocardin inhibited the gap protein connexin 43 via promoted miR-206 to regulate vascular smooth muscle cell phenotypic switch. Gene 2017; 616:22-30. [PMID: 28342807 DOI: 10.1016/j.gene.2017.03.029] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 03/17/2017] [Accepted: 03/21/2017] [Indexed: 11/15/2022]
Abstract
Myocardin is regarded as a key mediator for the change of smooth muscle phenotype. The gap junction protein connexin 43 (Cx43) has been shown to be involved in vascular smooth muscle cells (VSMCs) proliferation and the development of atherosclerosis. However, the role of myocardin on gap junction of cell communication and the relation between myocardin and Cx43 in VSMC phenotypic switch has not been investigated. The goal of the present study is to investigate the molecular mechanism by which myocardin affects Cx43-regulated VSMC proliferation. Data presented in this study demonstrated that inhibition of the Cx43 activation process impaired VSMC proliferation. On the other hand, overexpression miR-206 inhibited VSMC proliferation. In additon, miR-206 silences the expression of Cx43 via targeting Cx43 3' Untranslated Regions. Importantly, myocardin can significantly promote the expression of miR-206. Cx43 regulates VSMCs' proliferation and metastasis through miR-206, which could be promoted by myocardin and used as a marker for diagnosis and a target for therapeutic intervention. Thus myocardin affected the gap junction by inhibited Cx43 and myocardin-miR-206-Cx43 formed a loop to regulate VSMC phenotypic switch.
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Affiliation(s)
- Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Li-Juan Fan
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Xiao-Yu Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Cheng-Xi Yu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Le-Yuan Bao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Dong-Sun Cao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Wei-Bing Xing
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, 300457, PR China.
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, 430000, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, 300457, PR China.
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41
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Liao XH, Li JY, Dong XM, Wang X, Xiang Y, Li H, Yu CX, Li JP, Yuan BY, Zhou J, Zhang TC. ERα inhibited myocardin-induced differentiation in uterine fibroids. Exp Cell Res 2016; 350:73-82. [PMID: 27871850 DOI: 10.1016/j.yexcr.2016.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 11/05/2016] [Accepted: 11/12/2016] [Indexed: 01/12/2023]
Abstract
Uterine fibroids, also known as uterine leiomyomas, are a benign tumor of the human uterus and the commonest estrogen-dependent benign tumor found in women. Myocardin is an important transcriptional regulator in smooth and cardiac muscle development. The role of myocardin and its relationship with ERα in uterine fibroids have barely been addressed. We noticed that the expression of myocardin was markedly reduced in human uterine fibroid tissue compared with corresponding normal or adjacent myometrium tissue. Here we reported that myocardin induced the transcription and expression of differentiation markers SM22α and alpha smooth muscle actin (α-SMA) in rat primary uterine smooth muscle cells (USMCs) and this effect was inhibited by ERα. Notably, we showed that, ERα induced expression of proliferation markers PCNA and ki-67 in rat primary USMCs. We also found ERα interacted with myocardin and formed complex to bind to CArG box and inhibit the SM22α promoter activity. Furthermore, ERα inhibited the transcription and expression of myocardin, and reduced the levels of transcription and expression of downstream target SM22α, a SMC differentiation marker. Our data thus provided important and novel insights into how ERα and myocardin interact to control the cell differentiation and proliferation of USMCs. Thus, it may provide potential therapeutic target for uterine fibroids.
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Affiliation(s)
- Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China.
| | - Jun-Yan Li
- Henan Vocational College of Applied Technology, Zhengzhou 450042, PR China
| | - Xiu-Mei Dong
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China; Yuncheng County People's Hospital, Shandong 274700, PR China
| | - Xiuhong Wang
- Xianning Central Hospital, Department of Obstetrics and Gynecology, Xianning, Hubei 437100, PR China
| | - Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China
| | - Hui Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China
| | - Cheng-Xi Yu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China
| | - Bai-Yin Yuan
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China
| | - Jun Zhou
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China; School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, PR China.
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, 430065, PR China; Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China.
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42
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Xiang Y, Lu DL, Li JP, Yu CX, Zheng DL, Huang X, Wang ZY, Hu P, Liao XH, Zhang TC. Myocardin inhibits estrogen receptor alpha-mediated proliferation of human breast cancer MCF-7 cells via regulating MicroRNA expression. IUBMB Life 2016; 68:477-87. [PMID: 27156566 DOI: 10.1002/iub.1507] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 04/14/2016] [Indexed: 01/26/2023]
Abstract
Myocardin is frequently repressed during human malignant transformation, and restoration of myocardin expression in sarcoma cells contributes to the inhibition of malignant growth. However, its role in breast carcinoma has barely been addressed. Here, we reported that myocardin could inhibit the proliferation of MCF-7 cells. Notably, we show that myocardin inhibited ERα-mediated proliferation of breast cancer MCF-7 via impairing ER-dependent transcriptional activation, mainly through the inhibition of the activity of ERα. Importantly, the molecular mechanism for the inhibition of the ERα-mediated proliferation is that myocardin inhibited the transcription and expression of ERα-induced PCNA, Ki-67, and E2F1 to impair ERα-mediated proliferation of breast cancer MCF-7. Interestingly, myocardin significantly enhanced the transcription and expression of miR-885 depending on the CArG box in miR-885 promoter, and miR-885 targeted the 3' untranslated regions (UTR) of E2F1 to silence the expression of E2F1. Thus, our data provided important and novel insights into how myocardin may deeply influence ERα-mediated breast cancer proliferation. In conclusion, myocardin could be seen as a breast cancer tumor suppressor so that it will provide new ideas for the treatment of breast cancer. © 2016 IUBMB Life, 68(6):477-487, 2016.
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Affiliation(s)
- Yuan Xiang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China
| | - Da-Lin Lu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China
| | - Jia-Peng Li
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China
| | - Cheng-Xi Yu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China
| | - De-Liang Zheng
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, People's Republic of China
| | - Xuan Huang
- Medical College, Nanchang University, Jiangxi, People's Republic of China.,Wuhan General Hospital, Guangzhou Military Command, Hubei, People's Republic of China
| | - Zhen-Yu Wang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China
| | - Peng Hu
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China
| | - Xing-Hua Liao
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China.,Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, People's Republic of China
| | - Tong-Cun Zhang
- Institute of Biology and Medicine, Wuhan University of Science and Technology, Hubei, People's Republic of China.,Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, People's Republic of China
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43
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Gaide Chevronnay HP, Janssens V, Van Der Smissen P, Rocca CJ, Liao XH, Refetoff S, Pierreux CE, Cherqui S, Courtoy PJ. Hematopoietic Stem Cells Transplantation Can Normalize Thyroid Function in a Cystinosis Mouse Model. Endocrinology 2016; 157:1363-71. [PMID: 26812160 PMCID: PMC4816724 DOI: 10.1210/en.2015-1762] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Hypothyroidism is the most frequent and earliest endocrine complication in cystinosis, a multisystemic lysosomal storage disease caused by defective transmembrane cystine transporter, cystinosin (CTNS gene). We recently demonstrated in Ctns(-/-) mice that altered thyroglobulin biosynthesis associated with endoplasmic reticulum stress, combined with defective lysosomal processing, caused hypothyroidism. In Ctns(-/-) kidney, hematopoietic stem cell (HSC) transplantation provides long-term functional and structural protection. Tissue repair involves transfer of cystinosin-bearing lysosomes from HSCs differentiated as F4/80 macrophages into deficient kidney tubular cells, via tunneling nanotubes that cross basement laminae. Here we evaluated the benefit of HSC transplantation for cystinotic thyroid and investigated the underlying mechanisms. HSC engraftment in Ctns(-/-) thyroid drastically decreased cystine accumulation, normalized the TSH level, and corrected the structure of a large fraction of thyrocytes. In the thyroid microenvironment, HSCs differentiated into a distinct, mixed macrophage/dendritic cell lineage expressing CD45 and major histocompatibility complex II but low CD11b and F4/80. Grafted HSCs closely apposed to follicles and produced tunneling nanotube-like extensions that crossed follicular basement laminae. HSCs themselves further squeezed into follicles, allowing extensive contact with thyrocytes, but did not transdifferentiate into Nkx2.1-expressing cells. Our observations revealed significant differences of basement lamina porosity between the thyroid and kidney and/or intrinsic macrophage invasive properties once in the thyroid microenvironment. The contrast between extensive thyrocyte protection and low HSC abundance at steady state suggests multiple sequential encounters and/or remanent impact. This is the first report demonstrating the potential of HSC transplantation to correct thyroid disease and supports a major multisystemic benefit of stem cell therapy for cystinosis.
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Affiliation(s)
- H P Gaide Chevronnay
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - V Janssens
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - P Van Der Smissen
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - C J Rocca
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - X H Liao
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - S Refetoff
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - C E Pierreux
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - S Cherqui
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
| | - P J Courtoy
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Department of Pediatrics (C.J.R., S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161; and Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
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Gao Y, Liao XH, Lu L, Wang L, Ma Y, Qin HZ, Yan X, Guo P. Contrast-enhanced transrectal ultrasonography for the detection of diffuse prostate cancer. Clin Radiol 2015; 71:258-64. [PMID: 26738964 DOI: 10.1016/j.crad.2015.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 11/11/2015] [Accepted: 11/17/2015] [Indexed: 11/16/2022]
Abstract
AIM To evaluate the diagnostic accuracy of contrast-enhanced transrectal ultrasonography (CE-TRUS) versus baseline TRUS (combination of grey-scale and colour Doppler imaging) for diffuse prostate cancer. MATERIALS AND METHODS Forty-six patients without an obvious focal mass on baseline TRUS (grey-scale and colour Doppler), underwent additional CE-TRUS and TRUS-guided biopsy due to elevated levels of prostate-specific antigen (PSA ≥4 ng/ml) and/or abnormal digital rectal examination (DRE). In all patients, CE-TRUS was performed with intravenous injection of a contrast agent (sulphur hexafluoride microbubble; SonoVue, 2.4 ml) before biopsy. TRUS-guided biopsy targeted suspicious areas detected on CE-TRUS imaging or sampled the outer gland of the normal prostate. The final diagnosis was based on results of the TRUS-guided biopsy. The diagnostic accuracy of baseline TRUS and CE-TRUS for diffuse prostatic lesions was evaluated using receiver operating characteristic (ROC) curve analysis. RESULTS Diffuse prostate cancer was present in 32 (69.5%) patients and absent in 14 (30.5%) patients. Nineteen patients had diffuse prostate cancer that was not detected by baseline TRUS, whereas 15 cases were identified using CE-TRUS. Conversely, five patients had benign prostatic hypertrophy (BPH) that was diagnosed as cancer by CE-TRUS, and two of these patients were diagnosed with BPH by baseline TRUS. The combined sensitivity, specificity, and accuracy were 87.5%, 64.2%, and 80.4%, respectively, for CE-TRUS, and 40.6%, 78.5%, and 52.1%, respectively, for baseline TRUS. The area under the ROC curve (AUC) values for the diagnostic accuracy of baseline CE-TRUS versus TRUS for diffuse prostate cancer differed significantly at 0.904 and 0.667, respectively (Z=4.098, p<0.0001). CONCLUSION CE-TRUS exhibited greater diagnostic accuracy for diffuse prostate cancer than baseline TRUS. CE-TRUS may improve cancer detection over baseline TRUS imaging for the diagnosis of diffuse prostate cancer in patients with an elevated PSA level. CE-TRUS detects diffuse prostate cancer without an obvious focal mass on routine TRUS or clinical examination, and therefore, may help identify patients who do not need a repeat biopsy or who do not need to undergo systematic 12-core invasive sampling biopsies.
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Affiliation(s)
- Y Gao
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China
| | - X H Liao
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China.
| | - L Lu
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China
| | - L Wang
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China
| | - Y Ma
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China
| | - H Z Qin
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China
| | - X Yan
- Department of Ultrasound, First Affiliated Hospital of Guangxi Medical University, China
| | - P Guo
- College of Stomatology, Guangxi Medical University, China
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Liao XH, Zheng L, He HP, Zheng DL, Wei ZQ, Wang N, Dong J, Ma WJ, Zhang TC. STAT3 regulated ATR via microRNA-383 to control DNA damage to affect apoptosis in A431 cells. Cell Signal 2015; 27:2285-95. [DOI: 10.1016/j.cellsig.2015.08.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/05/2015] [Indexed: 10/24/2022]
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Liao XH, Wang N, Zhao DW, Zheng DL, Zheng L, Xing WJ, Ma WJ, Bao LY, Dong J, Zhang TC. STAT3 Protein Regulates Vascular Smooth Muscle Cell Phenotypic Switch by Interaction with Myocardin. J Biol Chem 2015; 290:19641-52. [PMID: 26100622 DOI: 10.1074/jbc.m114.630111] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Indexed: 11/06/2022] Open
Abstract
The JAK-STAT3 signaling pathway is one of the critical pathways regulating cell proliferation, differentiation, and apoptosis. Myocardin is regarded as a key mediator for the change of smooth muscle phenotypes. However, the relationship between STAT3 and myocardin in the vascular smooth muscle cell (VSMC) phenotypic switch has not been investigated. The goal of this study was to investigate the molecular mechanism by which STAT3 affects the myocardin-regulated VSMC phenotypic switch. Data presented in this study demonstrated that STAT3 was rapidly up-regulated after stimulation with VEGF. Inhibition of the STAT3 activation process impaired VSMC proliferation and enhanced the expression of VSMC contractile genes by increasing serum-response factor binding to the CArG-containing regions of VSMC-specific contractile genes. In contrast, the interaction between serum-response factor and its co-activator myocardin was reduced by overexpression of STAT3. In addition, treated VEGF inhibited the transcription activity of myocardin, and overexpression of STAT3 inhibited myocardin-induced up-regulation of VSMC contractile phenotype-specific genes. Although myocardin and STAT3 are negatively correlated, interestingly, both of them can enhance the expression of VEGF, suggesting a feedback loop to regulate the VSMC phenotypic switch. Taken together, these results indicate that the JAK-STAT3 signaling pathway plays a key role in controlling the phenotypic switch of VSMCs through the interactions between STAT3 and myocardin by various coordinated gene regulation pathways and feedback loops.
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Affiliation(s)
- Xing-Hua Liao
- From the Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan 430000 and the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Nan Wang
- the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Dong-Wei Zhao
- the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - De-Liang Zheng
- the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Li Zheng
- the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Wen-Jing Xing
- the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Wen-Jian Ma
- the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Le-Yuan Bao
- From the Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan 430000 and
| | - Jian Dong
- From the Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan 430000 and
| | - Tong-Cun Zhang
- From the Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan 430000 and the Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
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Gaide Chevronnay HP, Janssens V, Van Der Smissen P, Liao XH, Abid Y, Nevo N, Antignac C, Refetoff S, Cherqui S, Pierreux CE, Courtoy PJ. A mouse model suggests two mechanisms for thyroid alterations in infantile cystinosis: decreased thyroglobulin synthesis due to endoplasmic reticulum stress/unfolded protein response and impaired lysosomal processing. Endocrinology 2015; 156:2349-64. [PMID: 25811319 PMCID: PMC4430621 DOI: 10.1210/en.2014-1672] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Thyroid hormones are released from thyroglobulin (Tg) in lysosomes, which are impaired in infantile/nephropathic cystinosis. Cystinosis is a lysosomal cystine storage disease due to defective cystine exporter, cystinosin. Cystinotic children develop subclinical and then overt hypothyroidism. Why hypothyroidism is the most frequent and earliest endocrine complication of cystinosis is unknown. We here defined early alterations in Ctns(-/-) mice thyroid and identified subcellular and molecular mechanisms. At 9 months, T4 and T3 plasma levels were normal and TSH was moderately increased (∼4-fold). By histology, hyperplasia and hypertrophy of most follicles preceded colloid exhaustion. Increased immunolabeling for thyrocyte proliferation and apoptotic shedding indicated accelerated cell turnover. Electron microscopy revealed endoplasmic reticulum (ER) dilation, apical lamellipodia indicating macropinocytic colloid uptake, and lysosomal cystine crystals. Tg accumulation in dilated ER contrasted with mRNA down-regulation. Increased expression of ER chaperones, glucose-regulated protein of 78 kDa and protein disulfide isomerase, associated with alternative X-box binding protein-1 splicing, revealed unfolded protein response (UPR) activation by ER stress. Decreased Tg mRNA and ER stress suggested reduced Tg synthesis. Coordinated increase of UPR markers, activating transcription factor-4 and C/EBP homologous protein, linked ER stress to apoptosis. Hormonogenic cathepsins were not altered, but lysosome-associated membrane protein-1 immunolabeling disclosed enlarged vesicles containing iodo-Tg and impaired lysosomal fusion. Isopycnic fractionation showed iodo-Tg accumulation in denser lysosomes, suggesting defective lysosomal processing and hormone release. In conclusion, Ctns(-/-) mice showed the following alterations: 1) compensated primary hypothyroidism and accelerated thyrocyte turnover; 2) impaired Tg production linked to ER stress/UPR response; and 3) altered endolysosomal trafficking and iodo-Tg processing. The Ctns(-/-) thyroid is useful to study disease progression and evaluate novel therapies.
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Affiliation(s)
- H P Gaide Chevronnay
- Cell Biology Unit (H.P.G.C., V.J., P.V.D.S., Y.A., C.E.P., P.J.C.), de Duve Institute and Université Catholique de Louvain, 1200 Brussels, Belgium; Departments of Medicine (X.H.L., S.R.) and Pediatrics and Genetics (S.R), The University of Chicago, Chicago, Illinois 60637; INSERM, Unité 1163 (N.N., C.A.), Hôpital Necker-Enfants Malades and Université Paris Descartes, Sorbonne Paris Cité, Institut Imagine, 75015 Paris, France; and Department of Pediatrics (S.C.), Division of Genetics, University of California, San Diego, San Diego, California 92161
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Xing WJ, Liao XH, Wang N, Zhao DW, Zheng L, Zheng DL, Dong J, Zhang TC. MRTF-A and STAT3 promote MDA-MB-231 cell migration via hypermethylating BRSM1. IUBMB Life 2015; 67:202-17. [PMID: 25854163 DOI: 10.1002/iub.1362] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Revised: 01/25/2015] [Accepted: 01/27/2015] [Indexed: 11/05/2022]
Abstract
Breast cancer is the leading cause of cancer death in women worldwide which is closely related to metastasis. But the exact molecular mechanism of metastasis is still not fully understood. We now report that both MRTF-A and STAT3 play important roles in migration of MDA-MB-231 breast cancer cells. Moreover, MRTF-A and STAT3 synergistically increased MDA-MB-231 cell migration by promoting the expression of migration markers urokinase-type plasminogen activator (uPA) and osteopontin (OPN) and inhibiting the expression of breast cancer metastasis suppressor 1 (BRMS1). Luciferase reporter assays demonstrated that MRTF-A and STAT3 do not affect transcription of the BRMS1 promoter. Instead, we identified a newly molecular mechanism by which MRTF-A and STAT3 synergistically controlled MDA-MB-231 cell migration by recruiting DNMT1 to hypermethylate the promoter of BRMS1 and thus affect the expression of BRMS1. Interestingly, physical interaction between MRTF-A and STAT3 synergistically promotes the transactivity of DNMT1 by binding to the GAS element within the DNMT1 promoter. Our data thus provide important and novel insights into the roles of MRTF-A and STAT3 in regulating MDA-MB-231 cell migration.
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Affiliation(s)
- Wen-Jing Xing
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education and Tianjin, College of Biotechnology, Tianjin University of Science and Technology, People's Republic of China
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Liao XH, Dong X, Wu C, Wang T, Liu F, Zhou J, Zhang TC. Human cytomegalovirus immediate early protein 2 enhances myocardin-mediated survival of rat aortic smooth muscle cells. Virus Res 2014; 192:85-91. [PMID: 25157858 DOI: 10.1016/j.virusres.2014.08.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 08/15/2014] [Accepted: 08/17/2014] [Indexed: 11/24/2022]
Abstract
Human cytomegalovirus (HCMV) may increase the incidence of restenosis and predispose to atherosclerosis. The lesions of restenosis and atherosclerosis often contain smooth muscle cells (SMCs) with high rates of proliferation and apoptosis. One of the immediate early (IE) gene products of HCMV-IE2 affects transcriptional activities of some cellular factors in SMCs, including myocardin. In this study, we studied the effects of IE2 and myocardin on PI3K pathway inducer wortmannin induced apoptosis in rat aortic SMCs. We show that the transcriptional activity of myocardin on Mcl-1 promoter is enhanced by co-expression of HCMV IE2 in rat aortic SMCs; and the expressions of mRNA and protein of antiapoptotic genes-Mcl-1 and Bcl-2 are upregulated by IE2 alone and co-transfection of myocardin and IE2, but decreased by myocardin-specific shRNA in rat aortic SMCs. We further demonstrate that co-expression of myocardin and HCMV IE2 declines apoptotic cell numbers and caspase-3 activities induced by serum starvation plus wortmannin in rat aortic SMCs. The results suggest that HCMV IE2 enhances myocardin-mediated survival of rat aortic SMCs under serum deprivation and PI3-kinase inhibition, partly via activation of Mcl-1's antiapoptosis effect. Our study connects HCMV IE2 to myocardin-induced transcriptional program for rat aortic SMCs survival and proliferation, involving in HCMV related restenosis and atherosclerosis.
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Affiliation(s)
- Xing-Hua Liao
- Institute of Biological Medicine, and Medical School, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China
| | - Xiumei Dong
- Institute of Biological Medicine, and Medical School, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China
| | - Chenyu Wu
- Institute of Biological Medicine, and Medical School, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China
| | - Tao Wang
- Institute of Biological Medicine, and Medical School, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China
| | - Fenyong Liu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, Hubei 430071, China
| | - Jun Zhou
- Institute of Biological Medicine, and Medical School, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China.
| | - Tong-Cun Zhang
- Institute of Biological Medicine, and Medical School, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China; Key Laboratory of Industrial Microbiology, Ministry of Education and Tianjin City, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
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50
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Liao XH, Wang Y, Wang N, Yan TB, Xing WJ, Zheng L, Zhao DW, Li YQ, Liu LY, Sun XG, Hu P, Zhang TC. Human chorionic gonadotropin decreases human breast cancer cell proliferation and promotes differentiation. IUBMB Life 2014; 66:352-60. [PMID: 24753159 DOI: 10.1002/iub.1269] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 04/07/2014] [Indexed: 11/09/2022]
Abstract
Human chorionic gonadotropin (hCG) is a glycoprotein produced by placental trophoblasts. Previous studies indicated that hCG could be responsible for the pregnancy-induced protection against breast cancer in women. It is reported that hCG decreases proliferation and invasion of breast cancer MCF-7 cells. Our research also demonstrates that hCG can reduce the proliferation of MCF-7 cells by downregulating the expression of proliferation markers, proliferating cell nuclear antigen (PCNA), and proliferation-related Ki-67 antigen (Ki-67). Interestingly, we find here that hCG elevates the state of cellular differentiation, as characterized by the upregulation of differentiation markers, β-casein, cytokeratin-18 (CK-18), and E-cadherin. Inhibition of hCG secretion or luteinizing hormone/hCG receptors (LH/hCGRs) synthesis can weaken the effect of hCG on the induction of cell differentiation. Furthermore, hCG can suppress the expression of estrogen receptor alpha. hCG activated receptor-mediated cyclic adenosine monophosphate/protein kinase A signaling pathway. These findings indicated that a protective effect of hCG against breast cancer may be associated with its growth inhibitory and differentiation induction function in breast cancer cells.
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Affiliation(s)
- Xing-Hua Liao
- Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Ministry of Education and Tianjin, Tianjin University of Science and Technology, Tianjin, People's Republic of China; Institute of Biology and Medicine, Wuhan University of Science and Technology, Wuhan, People's Republic of China
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