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Yang F, Ma J, Zhu D, Wang Z, Li Y, He X, Zhang G, Kang X. The Role of S100A6 in Human Diseases: Molecular Mechanisms and Therapeutic Potential. Biomolecules 2023; 13:1139. [PMID: 37509175 PMCID: PMC10377078 DOI: 10.3390/biom13071139] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
S100A6, also known as calcyclin, is a low-molecular-weight Ca2+-binding protein from the S100 family that contains two EF-hands. S100A6 is expressed in a variety of mammalian cells and tissues. It is also expressed in lung, colorectal, pancreatic, and liver cancers, as well as other cancers such as melanoma. S100A6 has many molecular functions related to cell proliferation, the cell cycle, cell differentiation, and the cytoskeleton. It is not only involved in tumor invasion, proliferation, and migration, but also the pathogenesis of other non-neoplastic diseases. In this review, we focus on the molecular mechanisms and potential therapeutic targets of S100A6 in tumors, nervous system diseases, leukemia, endometriosis, cardiovascular disease, osteoarthritis, and other related diseases.
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Affiliation(s)
- Fengguang Yang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Jinglin Ma
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, China
| | - Daxue Zhu
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Zhaoheng Wang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Yanhu Li
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Xuegang He
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Guangzhi Zhang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Xuewen Kang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China; (F.Y.); (X.H.); (G.Z.)
- The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou University Second Hospital, Lanzhou 730030, China
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Chen B, Zheng D, Liu C, Bhandari A, Hirachan S, Shen C, Mainali S, Li H, Jiang W, Xu J, Zhang X, Tang K, Zhang W. S100A6 promotes the development of thyroid cancer and inhibits apoptosis of thyroid cancer cells through the PI3K/AKT/mTOR pathway. Pathol Res Pract 2023; 242:154325. [PMID: 36680929 DOI: 10.1016/j.prp.2023.154325] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/29/2022] [Accepted: 01/17/2023] [Indexed: 01/20/2023]
Abstract
High levels of S100A6 have been associated with progression in some types of human cancers. Cancers related to S100A6 have been reported to include lung cancer, cervical cancer, pancreatic cancer, gastric cancer, colon cancer, etc., but its role in the molecular pathogenesis of these cancers is largely unknown. This study investigated the expression and functional roles of S100A6 in human thyroid cancer. The expression level of S100A6 in thyroid cancer cells was determined by bioinformatics and transcriptomic analysis. Furthermore, the potential functions of S100A6 in tumorigenesis were analyzed by cell proliferation, migration, invasion, and Western blot assays in human thyroid cancer cells. Public database queries revealed high S100A6 expression in thyroid cancer. In addition, we also found that high expression of S100A6 was positively correlated with malignant clinicopathological characteristics of thyroid cancer in The Cancer Genome Atlas database. qPCR results confirmed the high expression of S100A6 in thyroid cancer cells. S100A6 silencing inhibited cell proliferation, migration, and invasion. Western blot assays and response experiments showed that S100A6 promotes cell proliferation and tumorigenicity partly through the PI3K/AKT/mTOR signaling pathway. These results suggest that S100A6 affects the progression of thyroid cancer and can be used as a target in the future treatment of thyroid cancer.
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Affiliation(s)
- Buran Chen
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Danni Zheng
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Conghui Liu
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Adheesh Bhandari
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Suzita Hirachan
- Department of General Surgery, Breast and Thyroid Unit, Tribhuvan University Teaching Hospital, Kathmandu, Nepal
| | - Cuihua Shen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Sumnima Mainali
- Department of Obstetrics and Gynecology, Kulhudhuffushi Regional Hospital, Kulhudhuffushi, Maldives
| | - Huihui Li
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Wenjie Jiang
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Jie Xu
- Department of ICU, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Xiaohua Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Kaifu Tang
- Key Laboratory of Diagnosis and Treatment of Severe Hepatopancreatic Diseases Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China.
| | - Wei Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China.
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Zhou J, Li F, Yang Y. Protective effects of calcyclin-binding protein against pulmonary vascular remodeling in flow-associated pulmonary arterial hypertension. Respir Res 2022; 23:223. [PMID: 36042446 PMCID: PMC9429705 DOI: 10.1186/s12931-022-02137-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 08/04/2022] [Indexed: 11/15/2022] Open
Abstract
Background Pulmonary arterial hypertension associated with congenital heart disease (CHD-PAH) is recognized as a cancer-like disease with a proliferative and pro-migratory phenotype in pulmonary artery smooth muscle cells (PASMCs). Calcyclin-binding protein/Siah-1-interacting protein (CacyBP/SIP) has been implicated in the progression of various cancers; however, it has not been previously studied in the context of CHD-PAH. Here, we aimed to examine the function of CacyBP/SIP in CHD-PAH and explore its potential as a novel regulatory target for the disease. Methods The expression of CacyBP/SIP in PASMCs was evaluated both in the pulmonary arterioles of patients with CHD-PAH and in high-flow-induced PAH rats. The effects of CacyBP/SIP on pulmonary vascular remodeling and PASMC phenotypic switch, proliferation, and migration were investigated. LY294002 (MedChemExpress, NJ, USA) was used to block the phosphoinositide 3-kinase/protein kinase B (PI3K/AKT) pathway to explore changes in PASMC dysfunction induced by low CacyBP/SIP levels. Hemodynamics and pulmonary arterial remodeling were further explored in rats after short-interfering RNA-mediated decrease of CacyBP/SIP expression. Results CacyBP/SIP expression was markedly reduced both in the remodeled pulmonary arterioles of patients with CHD-PAH and in high-flow-induced PAH rats. Low CacyBP/SIP expression promoted hPASMC phenotypic switch, proliferation, and migration via PI3K/AKT pathway activation. Our results indicated that CacyBP/SIP protected against pulmonary vascular remodeling through amelioration of hPASMC dysfunction in CHD-PAH. Moreover, after inhibition of CacyBP/SIP expression in vivo, we observed increased right ventricular hypertrophy index, poor hemodynamics, and severe vascular remodeling. Conclusions CacyBP/SIP regulates hPASMC dysfunction, and its increased expression may ameliorate progression of CHD-PAH. Supplementary Information The online version contains supplementary material available at 10.1186/s12931-022-02137-z.
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Affiliation(s)
- Jingjing Zhou
- Echocardiography Medical Center, Maternal-Fetal Medicine Center in Fetal Heart Disease, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - FuRong Li
- Department of Laboratory Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Yicheng Yang
- Center of Pulmonary Vascular Disease, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, North Lishi Road, Xicheng, No. 167, Beijing, 100037, China.
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Wang N, Wang Y, Wang H, Luo N, Yang W, Zhao Z. Knockout of Calcyclin Binding Protein Impedes the Growth of Breast Cancer Cells by Regulating Cell Apoptosis and β-Catenin Signaling. DNA Cell Biol 2021; 40:1317-1324. [PMID: 34591648 DOI: 10.1089/dna.2021.0315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Breast invasive carcinoma (BRCA) is becoming the most common malignant disease worldwide, and there is intense interest in identifying diagnostic biomarkers that can be targeted for treatment of BRCA. Recent evidence has shown that calcyclin binding protein (CacyBP) can function as either a tumor promoter or suppressor during carcinogenesis. Data in The Cancer Genome Atlas (TCGA) database show that CacyBP is overexpressed in human BRCA tissues, and high levels of CacyBP are associated with shorter overall survival. Immunohistochemical staining has shown that CacyBP levels are high in cancer tissue samples and associated with a higher likelihood of disease progression. We, therefore, conducted a knockout assay to determine the role of CacyBP in the development of BRCA. Knockout of CacyBP significantly inhibited MCF7 cell proliferation and colony formation. Apoptosis was higher in CacyBP knockout cells compared with control cells. Microarray analysis showed that the CacyBP knockout caused dysregulation of numerous genes closely related to β-catenin signaling, whereas quantitative reverse-transcription PCR and immunoblotting showed that it to be inactivated. In summary, we conclude that when overexpressed, CacyBP acts as a potential oncogene for BRCA by regulating β-catenin signaling.
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Affiliation(s)
- Ningju Wang
- The Second Department of Medicine Oncology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Yan Wang
- The First Department of Medicine Oncology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Huifeng Wang
- The First Department of Medicine Oncology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Na Luo
- The Second Department of Medicine Oncology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Wenjing Yang
- The Second Department of Medicine Oncology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Zhijun Zhao
- Clinical Laboratory Center, General Hospital of Ningxia Medical University, Yinchuan, China.,Ningxia Key Laboratory of Clinical and Pathogenic Microbiology, General Hospital of Ningxia Medical University, Yinchuan, China
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Garbutt TA, Konganti K, Konneker T, Hillhouse A, Phelps D, Jones A, Aylor D, Threadgill DW. Derivation of stable embryonic stem cell-like, but transcriptionally heterogenous, induced pluripotent stem cells from non-permissive mouse strains. Mamm Genome 2020; 31:263-286. [PMID: 33015751 PMCID: PMC9113365 DOI: 10.1007/s00335-020-09849-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 09/22/2020] [Indexed: 11/26/2022]
Abstract
Genetic background is known to play a role in the ability to derive pluripotent, embryonic stem cells (ESC), a trait referred to as permissiveness. Previously we demonstrated that induced pluripotent stem cells (iPSC) can be readily derived from non-permissive mouse strains by addition of serum-based media supplemented with GSK3B and MEK inhibitors, termed 2iS media, 3 days into reprogramming. Here, we describe the derivation of second type of iPSC colony from non-permissive mouse strains that can be stably maintained independently of 2iS media. The resulting cells display transcriptional heterogeneity similar to that observed in ESC from permissive genetic backgrounds derived in conventional serum containing media supplemented with leukemia inhibitor factor. However, unlike previous studies that report exclusive subpopulations, we observe both exclusive and simultaneous expression of naive and primed cell surface markers. Herein, we explore shifts in pluripotency in the presence of 2iS and characterize heterogenous subpopulations to determine their pluripotent state and role in heterogenous iPSCs derived from the non-permissive NOD/ShiLtJ strain. We conclude that heterogeneity is a naturally occurring, necessary quality of stem cells that allows for the maintenance of pluripotency. This study further demonstrates the efficacy of the 2iS reprogramming technique. It is also the first study to derive stable ESC-like stem cells from the non-permissive NOD/ShiLtJ and WSB/EiJ strains, enabling easier and broader research possibilities into pluripotency for these and similar non-permissive mouse strains and species.
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Affiliation(s)
- Tiffany A Garbutt
- Program in Genetics, Department of Biological Science, North Carolina State University, Raleigh, NC, 27695, USA
| | - Kranti Konganti
- Texas A&M Institute for Genome Sciences and Society, Texas A&M University, College Station, TX, 77843, USA
- Department of Molecular and Cellular Medicine, Texas A&M University, College Station, TX, 77843, USA
| | - Thomas Konneker
- Program in Genetics, Department of Biological Science, North Carolina State University, Raleigh, NC, 27695, USA
| | - Andrew Hillhouse
- Texas A&M Institute for Genome Sciences and Society, Texas A&M University, College Station, TX, 77843, USA
- Department of Molecular and Cellular Medicine, Texas A&M University, College Station, TX, 77843, USA
| | - Drake Phelps
- Program in Genetics, Department of Biological Science, North Carolina State University, Raleigh, NC, 27695, USA
| | - Alexis Jones
- Program in Genetics, Department of Biological Science, North Carolina State University, Raleigh, NC, 27695, USA
| | - David Aylor
- Program in Genetics, Department of Biological Science, North Carolina State University, Raleigh, NC, 27695, USA
| | - David W Threadgill
- Texas A&M Institute for Genome Sciences and Society, Texas A&M University, College Station, TX, 77843, USA.
- Department of Molecular and Cellular Medicine, Texas A&M University, College Station, TX, 77843, USA.
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX, 77843, USA.
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Zhao M, Zhang RZ, Qi DW, Chen HY, Zhang GC. CacyBP/SIP promotes tumor progression by regulating apoptosis and arresting the cell cycle in osteosarcoma. Exp Ther Med 2020; 20:1397-1404. [PMID: 32742374 PMCID: PMC7388306 DOI: 10.3892/etm.2020.8843] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 04/21/2020] [Indexed: 12/30/2022] Open
Abstract
Osteosarcoma (OS) is the most common primary malignant bone tumor in pediatric and adolescent patients. The calcyclin-binding protein/Siah-1-interacting protein (CacyBP/SIP) performs an essential function in cell proliferation and apoptosis. The present study investigated the effect of CacyBP/SIP in OS cell proliferation and apoptosis. CacyBP/SIP mRNA expression levels were evaluated in four OS cell lines by quantitative PCR. CacyBP/SIP expression was downregulated in Saos-2 cells using a lentivirus transfection system and the transfection efficiency was analyzed. The effects of CacyBP/SIP downregulation on Saos-2 cell proliferation and colony-formation ability were evaluated by MTT and colony-formation assays. The effect of CacyBP/SIP knockdown on Saos-2 cell cycle and apoptosis was analyzed by flow cytometry cell sorting. The Cancer Genome Atlas (TCGA) data was analyzed for validation. Human OS cell lines Saos-2, MG-63, HOS and U20S expressed CacyBP/SIP mRNA. CacyBP/SIP knockdown significantly inhibited cell proliferation and colony-formation ability. G1/S phase arrest was induced by CacyBP/SIP downregulation, which also resulted in the downregulation of CDK and cyclins and the upregulation of p21. In addition, CacyBP/SIP downregulation induced Saos-2 cell apoptosis mediated by Bax and Bcl-2. High expression of CacyBP/SIP was significantly associated with poor prognosis in TCGA sarcoma database. Thus, CacyBP/SIP performs important functions in the proliferation and apoptosis of human OS cells.
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Affiliation(s)
- Ming Zhao
- Department of Musculoskeletal Tumors, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Run-Zi Zhang
- Department of Musculoskeletal Tumors, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Dian-Wen Qi
- Department of Musculoskeletal Tumors, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Hong-Yi Chen
- Department of Musculoskeletal Tumors, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Guo-Chuan Zhang
- Department of Musculoskeletal Tumors, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
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Sreejit G, Flynn MC, Patil M, Krishnamurthy P, Murphy AJ, Nagareddy PR. S100 family proteins in inflammation and beyond. Adv Clin Chem 2020; 98:173-231. [PMID: 32564786 DOI: 10.1016/bs.acc.2020.02.006] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The S100 family proteins possess a variety of intracellular and extracellular functions. They interact with multiple receptors and signal transducers to regulate pathways that govern inflammation, cell differentiation, proliferation, energy metabolism, apoptosis, calcium homeostasis, cell cytoskeleton and microbial resistance. S100 proteins are also emerging as novel diagnostic markers for identifying and monitoring various diseases. Strategies aimed at targeting S100-mediated signaling pathways hold a great potential in developing novel therapeutics for multiple diseases. In this chapter, we aim to summarize the current knowledge about the role of S100 family proteins in health and disease with a major focus on their role in inflammatory conditions.
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Affiliation(s)
| | - Michelle C Flynn
- Division of Immunometabolism, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Mallikarjun Patil
- Department of Biomedical Engineering, Schools of Medicine and Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Prasanna Krishnamurthy
- Department of Biomedical Engineering, Schools of Medicine and Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Andrew J Murphy
- Division of Immunometabolism, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia; Department of Immunology, Monash University, Melbourne, VIC, Australia
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Xuan C, Gao Y, Jin M, Xu S, Wang L, Wang Y, Han R, Shi K, Chen X, An Q. Bioinformatic analysis of Cacybp-associated proteins using human glioma databases. IUBMB Life 2019; 71:827-834. [PMID: 30762928 DOI: 10.1002/iub.1999] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/17/2018] [Indexed: 12/19/2022]
Abstract
The ubiquitin-proteasome system is the primary cellular pathway for protein degradation, mediating 80% of intracellular protein degradation. Because of the widespread presence of ubiquitin-modified protein substrates, ubiquitination can regulate a variety of cellular activities including cell proliferation, apoptosis, autophagy, endocytosis, DNA damage repair, and immune responses. With the continuous generation of genomics data in recent years it has become particularly important to analyze these data effectively and reasonably. Cacybp forms a complex with the E3 ubiquitinated ligase Siah1 to participate in ubiquitination. We analyzed Cacybp-associated genes using the Gene Expression Omnibus (GEO) and CGGA (Chinese Glioma Genome Atlas) databases and identified 121 differentially expressed genes (DEGs), of which 46 were downregulated and 75 were upregulated. The biological processes, molecular functions, and protein-protein interaction (PPI) network of differential genes were analyzed by Cytoscape software and STRING software. We found no difference in Cacybp expression among different grades of gliomas and there was no significant association between the expression level of Cacybp and the prognosis of patients with glioma in LGG and GBM. © 2019 IUBMB Life, 1-8, 2019.
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Affiliation(s)
- Chengmin Xuan
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Yong Gao
- Department of Orthopaedics, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Mingwei Jin
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Shumei Xu
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Lei Wang
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Yuan Wang
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Rui Han
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Kunpeng Shi
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
| | - Xincheng Chen
- Department of Neurosurgery, Xinyi People's Hospital, Xinyi, Jiangsu, People's Republic of China
| | - Qi An
- Department of Hematology, Xuzhou Children's Hospital of Xuzhou Medical University, Xuzhou, Jiangsu
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Peng Y, Lin J, Ma J, Lin K, Xu K, Lin J. Upregulation of S100A6 in patients with endometriosis and its role in ectopic endometrial stromal cells. Gynecol Endocrinol 2018; 34:815-820. [PMID: 29544367 DOI: 10.1080/09513590.2018.1451506] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
S100 calcium-binding protein A6 (S100A6) is up-regulated in many malignancies and overexpression of S100A6 has been identified associated with proliferation, migration and invasion phenotype in several cancer cells. In the present study, we explored whether S100A6 plays a role in the development of endometriosis. Significantly higher levels of mRNA and protein expression of S100A6 were observed in ectopic endometrial tissues compared to eutopic and normal endometrial tissues. Silencing of S100A6 in ectopic endometrial stromal cells (ESCs) significantly inhibited cell viability, migration and invasion. Moreover, knockdown of S100A6 suppressed p38/MAPK activity in ectopic ESCs, which can be partially attenuated by CacyBP/SIP phosphorylation inhibitor. In conclusion, our results suggest that the abnormal expression of S100A6 may contribute to the pathogenesis of endometriosis and the S100A6/CacyBP/p38 signaling may provide as a promising treatment target.
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Affiliation(s)
- Yaoming Peng
- a Department of Gynecology and Obstetrics , Women's Hospital, Zhejiang University Medical College , Hangzhou , P.R. China
| | - Jiabin Lin
- a Department of Gynecology and Obstetrics , Women's Hospital, Zhejiang University Medical College , Hangzhou , P.R. China
| | - Junyan Ma
- b Department of Laboratory , Women's Hospital, School of Medicine, Zhejiang University , Hangzhou , P.R. China
| | - Kaiqing Lin
- a Department of Gynecology and Obstetrics , Women's Hospital, Zhejiang University Medical College , Hangzhou , P.R. China
| | - Kaihong Xu
- a Department of Gynecology and Obstetrics , Women's Hospital, Zhejiang University Medical College , Hangzhou , P.R. China
| | - Jun Lin
- a Department of Gynecology and Obstetrics , Women's Hospital, Zhejiang University Medical College , Hangzhou , P.R. China
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10
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Cell cycle-dependent translocation and regulatory mechanism of CacyBP/SIP in gastric cancer cells. Anticancer Drugs 2017; 29:19-28. [PMID: 29099417 DOI: 10.1097/cad.0000000000000556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Our previous results showed that calcyclin-binding protein/Siah-1-interacting protein (CacyBP/SIP) inhibits the proliferation and tumorigenicity of gastric cancer; however, the exact mechanism remains unclear, especially from the aspect of cell cycle. The subcellular localization of CacyBP/SIP, Siah-1, and Skp1 in SGC7901 gastric cancer cells was assessed by immunofluorescence after cell cycle synchronization. Levels of CacyBP/SIP, Siah-1, Skp1, β-catenin, and p-ERK1/2 were analyzed by western blotting. CacyBP/SIP phosphorylation (p-CacyBP/SIP) and the combining capacity of Siah-1 and Skp1 with CacyBP/SIP in nucleoprotein were determined by immunoprecipitation. CacyBP/SIP, Siah-1, and Skp1 were mainly in the cytoplasm in the G1 phase, but translocated to the nucleus during G2. Their expression in total protein was not altered, but elevated in the G2 phase in nucleoprotein. The CacyBP/SIP nucleus translocation of cells transfected with mutant CacyBP/SIP that does not bind S100 (CacyBP-ΔS100) was significantly increased compared with wild-type CacyBP/SIP. In the G2 phase, p-CacyBP/SIP expression and the combining capacity of Siah-1 and Skp1 with CacyBP/SIP were all increased, whereas levels of β-catenin and p-ERK1/2 reduced, compared with the G1 phase. CacyBP/SIP or CacyBP-ΔS100 overexpression was correlated with constitutively low β-catenin expression and affected its level through cell cycle. CacyBP/SIP overexpression led to retarded proliferation, G1 arrest, and β-catenin reduction, which could be abolished by lithium chloride, β-catenin activator, and further enhanced by the Wnt inhibitor XAV-939. In addition, CacyBP-ΔS100 further suppressed cell proliferation and induced G1 arrest compared with CacyBP/SIP. In conclusion, CacyBP/SIP nuclear localization, dependent on S100 protein, suppresses gastric cancer tumorigenesis through β-catenin degradation and the dephosphorylation of ERK1/2 during the G2 phase.
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Donato R, Sorci G, Giambanco I. S100A6 protein: functional roles. Cell Mol Life Sci 2017; 74:2749-2760. [PMID: 28417162 PMCID: PMC11107720 DOI: 10.1007/s00018-017-2526-9] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 02/24/2017] [Accepted: 02/27/2017] [Indexed: 12/20/2022]
Abstract
S100A6 protein belongs to the A group of the S100 protein family of Ca2+-binding proteins. It is expressed in a limited number of cell types in adult normal tissues and in several tumor cell types. As an intracellular protein, S100A6 has been implicated in the regulation of several cellular functions, such as proliferation, apoptosis, the cytoskeleton dynamics, and the cellular response to different stress factors. S100A6 can be secreted/released by certain cell types which points to extracellular effects of the protein. RAGE (receptor for advanced glycation endproducts) and integrin β1 transduce some extracellular S100A6's effects. Dosage of serum S100A6 might aid in diagnosis in oncology.
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Affiliation(s)
- Rosario Donato
- Department of Experimental Medicine, Centro Universitario per la Ricerca sulla Genomica Funzionale, Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132, Perugia, Italy.
- Department of Experimental Medicine, Istituto Interuniversitario di Miologia (Interuniversity Institute for Myology), Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132, Perugia, Italy.
| | - Guglielmo Sorci
- Department of Experimental Medicine, Centro Universitario per la Ricerca sulla Genomica Funzionale, Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132, Perugia, Italy
- Department of Experimental Medicine, Istituto Interuniversitario di Miologia (Interuniversity Institute for Myology), Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132, Perugia, Italy
| | - Ileana Giambanco
- Department of Experimental Medicine, Centro Universitario per la Ricerca sulla Genomica Funzionale, Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132, Perugia, Italy
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Wasik U, Kadziolka B, Kilanczyk E, Filipek A. Influence of S100A6 on CacyBP/SIP Phosphorylation and Elk-1 Transcriptional Activity in Neuroblastoma NB2a Cells. J Cell Biochem 2016; 117:126-31. [PMID: 26085436 DOI: 10.1002/jcb.25257] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Accepted: 06/12/2015] [Indexed: 11/06/2022]
Abstract
In this work, we have found that casein kinase II (CKII) phosphorylates the CacyBP/SIP protein under in vitro conditions and have mapped the phosphorylation site to threonine 184. Moreover, we present evidence that S100A6, a CacyBP/SIP interacting protein, inhibits this phosphorylation in the presence of Ca(2+). CacyBP/SIP phosphorylation by CKII was also observed in neuroblastoma NB2a cells. Interestingly, we have found that the effect of DRB, a CKII inhibitor, on CacyBP/SIP phosphorylation state is similar to that of S100A6 overexpression. Phosphorylation at threonine 184 seems to have an effect on CacyBP/SIP phosphatase activity since the T184E phosphorylation mimic mutant overexpressed in NB2a cells has lower phosphatase activity toward p-ERK1/2 when compared to the non-phosphorylable T184A mutant or to the wild-type protein. In conclusion, our data suggest that S100A6 and Ca(2+), through inhibiting CacyBP/SIP phosphorylation on threonine 184, are important regulators of CacyBP/SIP phosphatase activity and of ERK1/2-Elk-1 signaling pathway.
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Affiliation(s)
- Urszula Wasik
- Nencki Institute of Experimental Biology, Warsaw, Poland
| | | | - Ewa Kilanczyk
- Nencki Institute of Experimental Biology, Warsaw, Poland
| | - Anna Filipek
- Nencki Institute of Experimental Biology, Warsaw, Poland
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13
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Lerchenmüller C, Heißenberg J, Damilano F, Bezzeridis VJ, Krämer I, Bochaton-Piallat ML, Hirschberg K, Busch M, Katus HA, Peppel K, Rosenzweig A, Busch H, Boerries M, Most P. S100A6 Regulates Endothelial Cell Cycle Progression by Attenuating Antiproliferative Signal Transducers and Activators of Transcription 1 Signaling. Arterioscler Thromb Vasc Biol 2016; 36:1854-67. [PMID: 27386938 DOI: 10.1161/atvbaha.115.306415] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Accepted: 06/27/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVE S100A6, a member of the S100 protein family, has been described as relevant for cell cycle entry and progression in endothelial cells. The molecular mechanism conferring S100A6's proliferative actions, however, remained elusive. APPROACH AND RESULTS Originating from the clinically relevant observation of enhanced S100A6 protein expression in proliferating endothelial cells in remodeling coronary and carotid arteries, our study unveiled S100A6 as a suppressor of antiproliferative signal transducers and activators of transcription 1 signaling. Discovery of the molecular liaison was enabled by combining gene expression time series analysis with bioinformatic pathway modeling in S100A6-silenced human endothelial cells stimulated with vascular endothelial growth factor A. This unbiased approach led to successful identification and experimental validation of interferon-inducible transmembrane protein 1 and protein inhibitors of activated signal transducers and activators of transcription as key components of the link between S100A6 and signal transducers and activators of transcription 1. CONCLUSIONS Given the important role of coordinated endothelial cell cycle activity for integrity and reconstitution of the inner lining of arterial blood vessels in health and disease, signal transducers and activators of transcription 1 suppression by S100A6 may represent a promising therapeutic target to facilitate reendothelialization in damaged vessels.
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Affiliation(s)
- Carolin Lerchenmüller
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries).
| | - Julian Heißenberg
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Federico Damilano
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Vassilios J Bezzeridis
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Isabel Krämer
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Marie-Luce Bochaton-Piallat
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Kristóf Hirschberg
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Martin Busch
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Hugo A Katus
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Karsten Peppel
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Anthony Rosenzweig
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Hauke Busch
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
| | - Melanie Boerries
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries).
| | - Patrick Most
- From the Cardiovascular Research Center, Massachusetts General Hospital (C.L., F.D., A.R.), Cardiovascular Institute, Beth Israel Deaconess Medical Center (F.D.), and Boston Children's Hospital (V.J.B.), Harvard Medical School, Boston, MA; Molecular and Translational Cardiology (MTC), Department of Internal Medicine III, University Hospital Heidelberg, Germany (C.L., J.H., I.K., M. Busch, P.M.); Department of Pathology and Immunology, University of Geneva, Switzerland (M.-L.B.-P.); DZHK (German Center for Cardiovascular Research), Partner site Heidelberg/Mannheim, University of Heidelberg, Germany (K.H., M. Busch, H.A.K., P.M.); Center for Translational Medicine, Jefferson Medical College, Philadelphia, PA (K.P., P.M.); Systems Biology of the Cellular Microenvironment Group, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University, Freiburg, Germany (H.B., M. Boerries); German Cancer Consortium (DKTK), Freiburg, Germany (H.B., M. Boerries); and German Cancer Research Center (DKFZ), Heidelberg, Germany (H.B., M. Boerries)
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14
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Xue Z, Wu X, Chen X, Luo Q. MT3-MMP down-regulation promotes tumorigenesis and correlates to poor prognosis in esophageal squamous cell carcinoma. Cancer Med 2016; 5:2459-68. [PMID: 27292876 PMCID: PMC5055189 DOI: 10.1002/cam4.790] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Revised: 04/30/2016] [Accepted: 05/09/2016] [Indexed: 01/13/2023] Open
Abstract
The membrane‐type matrix metalloproteinases (MT‐MMPs) play an important role in degrading the extracellular matrix (ECM) and facilitating protease‐dependent tumor progression and invasion. Here, we report that unlike MT1‐MMP, MT3‐MMP was down‐regulated in esophageal squamous cell carcinoma (ESCC) as detected by real‐time PCR (qPCR), Western blot analysis, and immunohistochemistry (IHC). Down‐regulation of MT3‐MMP was observed at protein level in 66.3% of ESCC specimens (by IHC, n = 86) for routine pathologic diagnosis, as well as at mRNA level in 63.3% of surgically resected ESCC tumors paired with surrounding nontumor tissues (by qPCR, n = 30). Notably, MT3‐MMP down‐regulation significantly correlated with lymph node metastasis and poor overall survival of patients with ESCC (median 5‐year survival = 50.69 vs. 30.77 months for patients with MT3‐MMP‐negative and ‐positive ESCC, respectively). Mechanistically, MT3‐MMP negatively regulated proliferation, colony formation, and migration of ESCC cells, in association with cell cycle arrest at G1, due to up‐regulation of p21Cip1 and p27Kip1. Together, as a tumor suppressor in ESCC, MT3‐MMP down‐regulation represents an unfavorable factor for prognosis of patients with ESCC.
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Affiliation(s)
- Zengfu Xue
- Xiamen Cancer Hospital, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China.
| | - Xiumin Wu
- Department of Pharmacy, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China
| | - Xiong Chen
- Department of Medical Oncology, The Affiliated Dongfang Hospital of Xiamen University, Fuzhou, Fujian, China
| | - Qi Luo
- Xiamen Cancer Hospital, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China.
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The potential role of CacyBP/SIP in tumorigenesis. Tumour Biol 2016; 37:10785-91. [PMID: 26873490 DOI: 10.1007/s13277-016-4871-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 01/14/2016] [Indexed: 01/15/2023] Open
Abstract
Calcyclin-binding protein/Siah-1-interacting protein (CacyBP/SIP) was initially described as a binding partner of S100A6 in the Ehrlich ascites tumor cells and later as a Siah-1-interacting protein. This 30 kDa protein includes three domains and is involved in cell proliferation, differentiation, cytoskeletal rearrangement, and transcriptional regulation via binding to various proteins. Studies have also shown that the CacyBP/SIP is a critical protein in tumorigenesis. But, its promotion or suppression of cancer progression may depend on the cell type. In this review, the biological characteristics and target proteins of CacyBP/SIP have been described. Moreover, the exact role of CacyBP/SIP in various cancers is discussed.
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16
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Liu GH, Liu YH, Yang Z, Zhu AL, Zhao CL. MicroRNA-524-5p suppresses the growth and invasive abilities of gastric cancer cells. Oncol Lett 2016; 11:1926-1932. [PMID: 26998102 DOI: 10.3892/ol.2016.4143] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 11/30/2015] [Indexed: 12/25/2022] Open
Abstract
Previous studies have demonstrated that microRNAs (miRNAs) are associated with tumor development and progression. miRNA-524-5p (miR-524-5p) has been reported to be involved in the development and progression of several types of cancer, but its role in gastric cancer has not been fully elucidated to date. Therefore, the aim of the present study was to investigate the expression levels and function of miR-524-5p in human gastric cancer. The expression levels of miR-524-5p were assessed in gastric cancer specimens and cell lines, including MKN-45, SGC-7901 and MGC-803 cell lines and gastric epithelial mucosa GES-1 cells, using reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Cell proliferation and cell apoptosis assays and invasion analysis in gastric cancer cell lines were performed to evaluate the effects of miR-524-5p on gastric cancer cells in vitro. The expression levels of matrix metallopeptidase (MMP)-2 and MMP-9 were determined by RT-qPCR and western blot analysis. The expression of miR-524-5p was significantly decreased in gastric cancer tissues and cell lines. Additionally, the results of the in vitro experiments demonstrated that overexpression of miR-524-5p inhibited cell proliferation and invasion, and promoted cell apoptosis in gastric cancer cells. Human gastric cancer SGC-7901 and MGC-803 cell lines transfected with miR-524-5p exhibited reduced expression levels of MMP-2 and MMP-9. Taken together, the results of the present study indicated that miR-524-5p may function as a novel tumor suppressor gene in gastric cancer, and may serve as a biomarker and therapeutic target for the treatment of gastric cancer.
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Affiliation(s)
- Guang-Hui Liu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Yuan-Hua Liu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Zhen Yang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - A-Li Zhu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Chun-Lin Zhao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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Topolska-Woś AM, Chazin WJ, Filipek A. CacyBP/SIP--Structure and variety of functions. Biochim Biophys Acta Gen Subj 2015; 1860:79-85. [PMID: 26493724 DOI: 10.1016/j.bbagen.2015.10.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 10/09/2015] [Accepted: 10/16/2015] [Indexed: 01/30/2023]
Abstract
BACKGROUND CacyBP/SIP (Calcyclin-Binding Protein and Siah-1 Interacting Protein) is a small modular protein implicated in a wide range of cellular processes. It is expressed in different tissues of mammals but homologs are also found in some lower organisms. In mammals, a high level of CacyBP/SIP is present in tumor cells and in neurons. CacyBP/SIP binds several target proteins such as members of the S100 family, components of a ubiquitin ligase complex, and cytoskeletal proteins. SCOPE OF REVIEW CacyBP/SIP has been shown to be involved in protein de-phosphorylation, ubiquitination, cytoskeletal dynamics, regulation of gene expression, cell proliferation, differentiation, and tumorigenesis. This review focuses on very recent reports on CacyBP/SIP structure and function in these important cellular processes. MAJOR CONCLUSIONS CacyBP/SIP is a multi-domain and multi-functional protein. Altered levels of CacyBP/SIP in several cancers implicate its involvement in the maintenance of cell homeostasis. Changes in CacyBP/SIP subcellular localization in neurons of AD brains suggest that this protein is strongly linked to neurodegenerative diseases. Elucidation of CacyBP/SIP structure and cellular function is leading to greater understanding of its role in normal physiology and disease pathologies. GENERAL SIGNIFICANCE The available results suggest that CacyBP/SIP is a key player in multiple biological processes. Detailed characterization of the physical, biochemical and biological properties of CacyBP/SIP will provide better insight into the regulation of its diverse functions in vivo, and given the association with specific diseases, will help clarify the potential of therapeutic targeting of this protein.
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Affiliation(s)
| | - Walter J Chazin
- Department of Biochemistry, Vanderbilt University, Nashville, USA; Department of Chemistry, Vanderbilt University, Nashville, USA; Center for Structural Biology, Vanderbilt University, Nashville, USA
| | - Anna Filipek
- Nencki Institute of Experimental Biology, Warsaw, Poland.
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18
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Liu Z, Zhang X, Chen M, Cao Q, Huang D. Effect of S100A6 over-expression on β-catenin in endometriosis. J Obstet Gynaecol Res 2015; 41:1457-62. [PMID: 26044826 DOI: 10.1111/jog.12729] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 02/05/2015] [Accepted: 03/10/2015] [Indexed: 01/22/2023]
Abstract
AIM S100A6 is over-expressed in several human tumors, including pancreatic carcinoma, malignant fibrous histiocytoma, breast, colon, and gastric carcinoma, but little is known about the role of S100A6 in endometriosis. The aim of the present study was to investigate the effect of S100A6 over-expression on β-catenin in endometrial stromal cells. METHODS Endometrial stromal cells were transfected with an hS100A6-expressing recombinant lentivirus construct. The expression of β-catenin was assessed using western blot and reverse transcription-polymerase chain reaction. RESULTS S100A6 over-expression promoted β-catenin expression at the RNA and protein levels, in endometrial stromal cells. CONCLUSIONS S100A6 induces expression of β-catenin in endometrial stromal cells.
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Affiliation(s)
- Zequn Liu
- Medical Department of Nanchang University, Nanchang, Jiangxi, China
| | - Xiaoling Zhang
- Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, China
| | - Meihong Chen
- Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, China
| | - Qing Cao
- Key Laboratory of Molecular Medicine of Jiangxi Province, Nanchang, Jiangxi, China
| | - Donghua Huang
- Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, China
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Zhai H, Meng J, Jin H, Li Y, Wang J. Role of the CacyBP/SIP protein in gastric cancer. Oncol Lett 2015; 9:2031-2035. [PMID: 26137007 DOI: 10.3892/ol.2015.3059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Accepted: 10/22/2014] [Indexed: 12/26/2022] Open
Abstract
Various reports indicate that calcyclin binding protein/Siah-1-interacting protein (CacyBP/SIP) is an important protein in tumorigenesis, but whether CacyBP/SIP promotes or suppresses cancer may depend on the cell type. In order to investigate whether CacyBP/SIP is significant in gastric cancerous tumorigenesis, the present study used immunohistochemistry to analyze 181 gastric cancer tissue samples, as well as 181 healthy tissue samples from the same gastric cancer patients. The immunohistochemical results were compared against patient data and pathological analysis of the tissue slices, including gender, age, degree of tumor differentiation and tumor, node, metastasis (TNM) stage. In addition, the level of CacyBP/SIP expression was detected in three frozen tissue samples of gastric adenocarcinoma using western blot analysis. Of the 181 cases analyzed in the present study, 80 cases were identified as non-metastatic gastric cancer and 101 cases were identified as gastric cancer that had metastasized to the lymph nodes. Tissue biopsies from the two sets of patients were examined using immunohistochemistry to identify the level of CacyBP/SIP expression in metastatic and primary gastric cancer tissues. Statistical analyses were performed on all data. The immunohistochemical analysis revealed that CacyBP/SIP was expressed in 31% (56/181) of gastric adenocarcinoma tissue samples and 7% (12/181) of adjacent non-cancerous gastric tissues (P<0.05). Furthermore, the expression levels of CacyBP/SIP were higher in cancerous tissue compared with the adjacent non-cancerous gastric tissue using western blotting. No association was identified between CacyBP/SIP expression and patient age (P=0.975), gender (P=0.185), degree of tumor differentiation (P=0.076) or TNM stage (P=0.979). Among the 101 patients with metastatic gastric cancer, CacyBP/SIP was expressed at primary sites in 31% (31/101) of cases and at metastatic sites in 26% (26/101) of cases (P=0.434). However, among the 80 patients with non-metastatic gastric cancer, CacyBP/SIP was expressed at the tumor site in 34% (27/80) of cases, which was not significantly different from the 31% (25/80) of cases in the metastatic group (P=0.662). These findings indicate that CacyBP/SIP expression is not a marker of gastric cancer or metastatic gastric cancer, nor does it appear to correlate with the clinicopathological features of gastric cancer.
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Affiliation(s)
- Huihong Zhai
- Department of Digestive Diseases, General Hospital of Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Juan Meng
- Department of Digestive Diseases, General Hospital of Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Haifeng Jin
- State Key Laboratory of Cancer Biology, Institute of Digestive Diseases, Xi'an, Shaanxi 710032, P.R. China
| | - Yuanfei Li
- Department of Pathology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jinbo Wang
- State Key Laboratory of Cancer Biology, Institute of Digestive Diseases, Xi'an, Shaanxi 710032, P.R. China
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20
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Chen H, Xu C, Jin Q, Liu Z. S100 protein family in human cancer. Am J Cancer Res 2014; 4:89-115. [PMID: 24660101 PMCID: PMC3960449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 02/10/2014] [Indexed: 06/03/2023] Open
Abstract
S100 protein family has been implicated in multiple stages of tumorigenesis and progression. Among the S100 genes, 22 are clustered at chromosome locus 1q21, a region frequently rearranged in cancers. S100 protein possesses a wide range of intracellular and extracellular functions such as regulation of calcium homeostasis, cell proliferation, apoptosis, cell invasion and motility, cytoskeleton interactions, protein phosphorylation, regulation of transcriptional factors, autoimmunity, chemotaxis, inflammation and pluripotency. Many lines of evidence suggest that altered expression of S100 proteins was associated with tumor progression and prognosis. Therefore, S100 proteins might also represent potential tumor biomarkers and therapeutic targets. In this review, we summarize the evidence connecting S100 protein family and cancer and discuss the mechanisms by which S100 exerts its diverse functions.
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Affiliation(s)
- Hongyan Chen
- The State Key Laboratory of Molecular Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100021, China
| | - Chengshan Xu
- The State Key Laboratory of Molecular Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100021, China
| | - Qing'e Jin
- The State Key Laboratory of Molecular Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100021, China
| | - Zhihua Liu
- The State Key Laboratory of Molecular Oncology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100021, China
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21
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Integrative Analysis of Gene Expression and Promoter Methylation during Reprogramming of a Non-Small-Cell Lung Cancer Cell Line Using Principal Component Analysis-Based Unsupervised Feature Extraction. INTELLIGENT COMPUTING IN BIOINFORMATICS 2014. [DOI: 10.1007/978-3-319-09330-7_52] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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22
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Zhu L, Kohda F, Nakahara T, Chiba T, Tsuji G, Hachisuka J, Ito T, Tu Y, Moroi Y, Uchi H, Furue M. Aberrant expression of S100A6 and matrix metalloproteinase 9, but not S100A2, S100A4, and S100A7, is associated with epidermal carcinogenesis. J Dermatol Sci 2013; 72:311-9. [PMID: 23993025 DOI: 10.1016/j.jdermsci.2013.07.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 07/05/2013] [Accepted: 07/12/2013] [Indexed: 11/18/2022]
Abstract
BACKGROUND S100 proteins belong to a family of calcium-binding proteins that regulate cell proliferation and differentiation. Despite our growing knowledge about the biology of S100 proteins in some human cancers, little is known about the expression of S100 family members in epidermal tumors and their clinical significance. OBJECTIVE To determine the expression of S100A2, S100A4, S100A6, S100A7, as well as matrix metalloproteinases 9 (MMP9) in a spectrum of epidermal tumors with benign and malignant characteristics. METHODS Immunohistological staining was performed for S100A2, S100A4, S100A6, S100A7, and MMP9 in 101 cases of various types of epidermal tumors, viz., squamous cell carcinoma (SCC), Bowen's disease (BD), actinic keratosis (AK), basal cell carcinoma (BCC), keratoacanthoma (KA), and seborrheic keratosis (SK). Thirteen specimens of normal skin (NS) served as control. RESULTS S100A2, S100A6, and S100A7 positive immunostaining was variably observed in different epidermal tumors. S100A4 staining was not observed in any epidermal tumors, but was clearly visible in dendritic cells. MMP9 immunostaining was positive only in 22/26 (84.62%) of SCC and 2/15 (13.33%) of BD cases. Expression of S100A2, S100A6, and S100A7 was increased in tumor cells compared to NS. However, only S100A6 expression was significantly associated with malignant transformation of epidermal tumors. Moreover, S100A6 expression was correlated with MMP9 expression in metastatic SCC. CONCLUSIONS Epidermal tumors show increased expression of S100A2 and S100A7 proteins. S100A4 may be a useful and distinct marker for epidermal dendritic cells. Expression of S100A6 and MMP9 in combination is associated with the development of SCC.
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Affiliation(s)
- Li Zhu
- Department of Dermatology, Kyushu University, Fukuoka, Japan; Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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23
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Zhu L, Okano S, Takahara M, Chiba T, Tu Y, Oda Y, Furue M. Expression of S100 protein family members in normal skin and sweat gland tumors. J Dermatol Sci 2013; 70:211-9. [DOI: 10.1016/j.jdermsci.2013.03.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 02/26/2013] [Accepted: 03/04/2013] [Indexed: 12/18/2022]
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24
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S100A8 and S100A9 are associated with colorectal carcinoma progression and contribute to colorectal carcinoma cell survival and migration via Wnt/β-catenin pathway. PLoS One 2013; 8:e62092. [PMID: 23637971 PMCID: PMC3637369 DOI: 10.1371/journal.pone.0062092] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 03/15/2013] [Indexed: 01/05/2023] Open
Abstract
Background and Objective S100A8 and S100A9, two members of the S100 protein family, have been reported in association with the tumor cell differentiation and tumor progression. Previous study has showed that their expression in stromal cells of colorectal carcinoma (CRC) is associated with tumor size. Here, we investigated the clinical significances of S100A8 and S100A9 in tumor cells of CRC and their underlying molecular mechanisms. Methods Expression of S100A8 and S100A9 in colorectal carcinoma and matching distal normal tissues were measured by reverse transcriptase polymerase chain reaction (RT-PCR), immunohistochemistry and western blot. CRC cell lines treated with the recombinant S100A8 and S100A9 proteins were used to analyze the roles and molecular mechanisms of the two proteins in CRC in vitro. Results S100A8 and S100A9 were elevated in more than 50% of CRC tissues and their expression in tumor cells was associated with differentiation, Dukes stage and lymph node metastasis. The CRC cell lines treatment with recombinant S100A8 and S100A9 proteins promoted the viability and migration of CRC cells. Furthermore, the two recombinant proteins also resulted in the increased levels of β-catenin and its target genes c-myc and MMP7. β-catenin over-expression in CRC cells by Adβ-catenin increased cell viability and migration. β-catenin knock-down by Adsiβ-catenin reduced cell viability and migration. Furthermore, β-catenin knockdown also partially abolished the promotive effects of recombinant S100A8 and S100A9 proteins on the viability and migration of CRC cells. Conclusions Our work demonstrated that S100A8 and S100A9 are linked to the CRC progression, and one of the underlying molecular mechanisms is that extracellular S100A8 and S100A9 proteins contribute to colorectal carcinoma cell survival and migration via Wnt/β-catenin pathway.
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Gomez-Touriño IM, Senra A, Garcia F. Nucleofection of whole murine retinas. Cytotechnology 2012; 65:523-32. [PMID: 23132682 DOI: 10.1007/s10616-012-9509-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 10/10/2012] [Indexed: 11/26/2022] Open
Abstract
The mouse retina constitutes an important research model for studies aiming to unravel the cellular and molecular mechanisms underlying ocular diseases. The accessibility of this tissue and its feasibility to directly obtain neurons from it has increased the number of studies culturing mouse retina, mainly retinal cell suspensions. However, to address many questions concerning retinal diseases and protein function, the organotypic structure must be maintained, so it becomes important to devise methods to transfect and culture whole retinas without disturbing their cellular structure. Moreover, the postmitotic stage of retinal neurons makes them reluctant to commonly used transfection techniques. For this purpose some published methods employ in vivo virus-based transfection techniques or biolistics, methods that present some constraints. Here we report for the first time a method to transfect P15-P20 whole murine retinas via nucleofection, where nucleic acids are directly delivered to the cell nuclei, allowing in vitro transfection of postmitotic cells. A detailed protocol for successful retina extraction, organotypic culture, nucleofection, histological procedures and imaging is described. In our hands the A-33 nucleofector program shows the highest transfection efficiency. Whole flat-mount retinas and cryosections from transfected retinas were imaged by epifluorescence and confocal microscopy, showing that not only cells located in the outermost retinal layers, but also those in inner retinal layers are transfected. In conclusion, we present a novel method to successfully transfect postnatal whole murine retina via nucleofection, showing that retina can be successfully nucleofected after some optimization steps.
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Affiliation(s)
- Iria Maria Gomez-Touriño
- CIMUS (Department of Physiology), School of Medicine, University of Santiago de Compostela, Avd. Barcelona, 15782, Santiago de Compostela, Spain,
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