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Shabangu CS, Su WH, Li CY, Yu ML, Dai CY, Huang JF, Chuang WL, Wang SC. Systematic integration of molecular and clinical approaches in HCV-induced hepatocellular carcinoma. J Transl Med 2024; 22:268. [PMID: 38475805 DOI: 10.1186/s12967-024-04925-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/23/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) play a crucial role in gene expression and regulation, with dysregulation of miRNA function linked to various diseases, including hepatitis C virus (HCV)-related hepatocellular carcinoma (HCC). There is still a gap in understanding the regulatory relationship between miRNAs and mRNAs in HCV-HCC. This study aimed to investigate the function and effects of persistent HCV-induced miRNA expression on gene regulation in HCC. METHODS MiRNA array data were used to identify differentially expressed miRNAs and their targets, and miRNAs were analyzed via DIANA for KEGG pathways, gene ontology (GO) functional enrichment, and Ingenuity Pathways Analysis (IPA) for hepatotoxicity, canonical pathways, associated network functions, and interactive networks. RESULTS Seventeen miRNAs in L-HCV and 9 miRNAs in S-HCV were differentially expressed, and 5 miRNAs in L-HCV and 5 miRNAs in S-HCV were significantly expressed in liver hepatocellular carcinoma (LIHC) tumors. Grouped miRNA survival analysis showed that L-HCV miRNAs were associated with survival in LIHC, and miRNA‒mRNA targets regulated viral carcinogenesis and cell cycle alteration through cancer pathways in LIHC. MiRNA-regulated RCN1 was suppressed through miRNA-oncogene interactions, and suppression of RCN1 inhibited invasion and migration in HCC. CONCLUSION Persistent HCV infection induced the expression of miRNAs that act as tumor suppressors by inhibiting oncogenes in HCC. RCN1 was suppressed while miRNAs were upregulated, demonstrating an inverse relationship. Therefore, hsa-miR-215-5p, hsa-miR-10b-5p, hsa-let-7a-5p and their target RCN1 may be ideal biomarkers for monitoring HCV-HCC progression.
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Affiliation(s)
- Ciniso Sylvester Shabangu
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Wen-Hsiu Su
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center of Excellence for Metabolic Associated Fatty Liver Disease, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Chia-Yang Li
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Lung Yu
- Center of Excellence for Metabolic Associated Fatty Liver Disease, National Sun Yat-Sen University, Kaohsiung, Taiwan
- Faculty of Internal Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Hepatitis Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
- Hepatobiliary Division, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Chia-Yen Dai
- Faculty of Internal Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Hepatitis Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
- Hepatobiliary Division, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Jee-Fu Huang
- Faculty of Internal Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Hepatitis Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
- Hepatobiliary Division, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Wan-Long Chuang
- Faculty of Internal Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Hepatitis Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
- Hepatobiliary Division, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Shu-Chi Wang
- Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Center of Excellence for Metabolic Associated Fatty Liver Disease, National Sun Yat-Sen University, Kaohsiung, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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Liu S, Wu D, Fan Z, Yang J, Li Y, Meng Y, Gao C, Zhan H. FABP4 in obesity-associated carcinogenesis: Novel insights into mechanisms and therapeutic implications. Front Mol Biosci 2022; 9:973955. [PMID: 36060264 PMCID: PMC9438896 DOI: 10.3389/fmolb.2022.973955] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 07/25/2022] [Indexed: 11/23/2022] Open
Abstract
The increasing prevalence of obesity worldwide is associated with an increased risk of various diseases, including multiple metabolic diseases, cardiovascular diseases, and malignant tumors. Fatty acid binding proteins (FABPs) are members of the adipokine family of multifunctional proteins that are related to fatty acid metabolism and are divided into 12 types according to their tissue origin. FABP4 is mainly secreted by adipocytes and macrophages. Under obesity, the synthesis of FABP4 increases, and the FABP4 content is higher not only in tissues but also in the blood, which promotes the occurrence and development of various cancers. Here, we comprehensively investigated obesity epidemiology and the biological mechanisms associated with the functions of FABP4 that may explain this effect. In this review, we explore the molecular mechanisms by which FABP4 promotes carcinoma development and the interaction between fat and cancer cells in obese circumstances here. This review leads us to understand how FABP4 signaling is involved in obesity-associated tumors, which could increase the potential for advancing novel therapeutic strategies and molecular targets for the systematic treatment of malignant tumors.
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RCN1 induces sorafenib resistance and malignancy in hepatocellular carcinoma by activating c-MYC signaling via the IRE1α-XBP1s pathway. Cell Death Discov 2021; 7:298. [PMID: 34663798 PMCID: PMC8523720 DOI: 10.1038/s41420-021-00696-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 10/01/2021] [Accepted: 10/06/2021] [Indexed: 01/08/2023] Open
Abstract
The increasing incidence of hepatocellular carcinoma (HCC) is of great concern globally, but the molecular pathogenesis of these tumors remains unclear. Sorafenib is a first-line drug for the treatment of advanced HCC. However, the efficacy of sorafenib in improving patient survival is limited, and most patients inevitably develop resistance to this drug. Recent studies have demonstrated that the activation of the IRE1α–XBP1s pathway might play a protective role in the response to sorafenib and contribute to malignancy in HCC. Here, we found that RCN1, an endoplasmic reticulum resident protein, is significantly upregulated in sorafenib-resistant HCC cells and promotes tumor progression. Our analysis showed that RCN1 may be an independent predictor of tumor recurrence and overall survival. Mechanistically, RCN1 promotes the dissociation of GRP78 from IRE1α in sorafenib-resistant cells by interacting with GRP78 through its EFh1/2 domain. Subsequently, the IRE1α–XBP1s pathway, a branch of the unfolded protein response, is sustainably activated. Interestingly, IRE1α–XBP1s pathway activity is required for c-MYC signaling, one of the most highly activated oncogenic pathways in HCC. These results suggest that RCN1-targeted therapy might be a feasible strategy for the treatment of HCC.
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Ueda S, Hashimoto K, Miyabe S, Hasegawa S, Goto M, Shimizu D, Oh-Iwa I, Shimozato K, Nagao T, Nomoto S. Salivary NUS1 and RCN1 Levels as Biomarkers for Oral Squamous Cell Carcinoma Diagnosis. In Vivo 2021; 34:2353-2361. [PMID: 32871760 DOI: 10.21873/invivo.12048] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/13/2020] [Accepted: 05/25/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND/AIM Oral cancer may become advanced because of delay in diagnosis. In order to promote oral cancer screening, simple and highly reliable screening methods that can be implemented at general dental clinics are required. Herein we investigated differential salivary gene expression between oral squamous cell carcinoma (OSCC) patients and healthy volunteers (HV) to identify new biomarkers for OSCC detection. MATERIALS AND METHODS Candidate genes were selected by microarrays, nuclear undecaprenyl pyrophosphate synthase 1 (NUS1) and reticulocalbin 1 (RCN1) were selected for further investigation. We used real-time quantitative reverse transcription PCR (qRT-PCR) to determine NUS1 and RCN1 expression levels in saliva and tissues. RESULTS qRT-PCR analysis of clinical samples revealed that OSCC patients had significantly higher expression of salivary NUS1 and RCN1 than HV. CONCLUSION A combination of NUS1 and RCN1 accurately distinguished patients from controls, and this combination can be implemented as a screening test for OSCC.
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Affiliation(s)
- Sei Ueda
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan.,Department of Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Kengo Hashimoto
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan.,Department of Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Satoru Miyabe
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Shogo Hasegawa
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Mitsuo Goto
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Dai Shimizu
- Department of Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan.,Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Ichiro Oh-Iwa
- Department of Maxillofacial Surgery, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Kazuo Shimozato
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Toru Nagao
- Department of Maxillofacial Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
| | - Shuji Nomoto
- Department of Surgery, School of Dentistry, Aichi-gakuin University Graduate School of Medicine, Nagoya, Japan
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Abstract
Viral infections lead to the death of more than a million people each year around the world, both directly and indirectly. Viruses interfere with many cell functions, particularly critical pathways for cell death, by affecting various intracellular mediators. MicroRNAs (miRNAs) are a major example of these mediators because they are involved in many (if not most) cellular mechanisms. Virus-regulated miRNAs have been implicated in three cell death pathways, namely, apoptosis, autophagy, and anoikis. Several molecules (e.g., BECN1 and B cell lymphoma 2 [BCL2] family members) are involved in both apoptosis and autophagy, while activation of anoikis leads to cell death similar to apoptosis. These mechanistic similarities suggest that common regulators, including some miRNAs (e.g., miR-21 and miR-192), are involved in different cell death pathways. Because the balance between cell proliferation and cell death is pivotal to the homeostasis of the human body, miRNAs that regulate cell death pathways have drawn much attention from researchers. miR-21 is regulated by several viruses and can affect both apoptosis and anoikis via modulating various targets, such as PDCD4, PTEN, interleukin (IL)-12, Maspin, and Fas-L. miR-34 can be downregulated by viral infection and has different effects on apoptosis, depending on the type of virus and/or host cell. The present review summarizes the existing knowledge on virus-regulated miRNAs involved in the modulation of cell death pathways. Understanding the mechanisms for virus-mediated regulation of cell death pathways could provide valuable information to improve the diagnosis and treatment of many viral diseases.
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EGFRvIII Promotes Cell Survival during Endoplasmic Reticulum Stress through a Reticulocalbin 1-Dependent Mechanism. Cancers (Basel) 2021; 13:cancers13061198. [PMID: 33801941 PMCID: PMC7999088 DOI: 10.3390/cancers13061198] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 03/02/2021] [Accepted: 03/04/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary A key molecule, EGFRvIII has been shown to provide several growth advantages for brain tumors. However, we have found a new mechanism in which the EGFRvIII provides increased survival to brain cancer cells when under sub-optimal conditions. Specifically, we have found that the EGFRvIII drives the expression of a molecule called Reticulocalbin 1 (RCN1) and that RCN1 blocks cell stress and cell death, thereby allowing cells to survive and proliferate. Importantly, these findings will allow for the generation of drugs that block the function of EGFRvIII and RCN1 with the hope that these drugs will induce brain cancer cell death. Abstract Reticulocalbin 1 (RCN1) is an endoplasmic reticulum (ER)-residing protein, involved in promoting cell survival during pathophysiological conditions that lead to ER stress. However, the key upstream receptor tyrosine kinase that regulates RCN1 expression and its potential role in cell survival in the glioblastoma setting have not been determined. Here, we demonstrate that RCN1 expression significantly correlates with poor glioblastoma patient survival. We also demonstrate that glioblastoma cells with expression of EGFRvIII receptor also have high RCN1 expression. Over-expression of wildtype EGFR also correlated with high RCN1 expression, suggesting that EGFR and EGFRvIII regulate RCN1 expression. Importantly, cells that expressed EGFRvIII and subsequently showed high RCN1 expression displayed greater cell viability under ER stress compared to EGFRvIII negative glioblastoma cells. Consistently, we also demonstrated that RCN1 knockdown reduced cell viability and exogenous introduction of RCN1 enhanced cell viability following induction of ER stress. Mechanistically, we demonstrate that the EGFRvIII-RCN1-driven increase in cell survival is due to the inactivation of the ER stress markers ATF4 and ATF6, maintained expression of the anti-apoptotic protein Bcl-2 and reduced activity of caspase 3/7. Our current findings identify that EGFRvIII regulates RCN1 expression and that this novel association promotes cell survival in glioblastoma cells during ER stress.
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Lei D, Hong T, Li L, Chen L, Luo X, Wu Q, Liu Z. Isobaric tags for relative and absolute quantitation-based proteomics analysis of the effect of ginger oil on bisphenol A-induced breast cancer cell proliferation. Oncol Lett 2020; 21:101. [PMID: 33376534 PMCID: PMC7751356 DOI: 10.3892/ol.2020.12362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/27/2020] [Indexed: 12/13/2022] Open
Abstract
Several chemicals in the environment, particularly those with estrogenic activity and small amounts (micromolar or lower) of environmental estrogen can cause changes in cell function and interfere with endocrine functions of animals and humans. These compounds enter the human body and increase the load of estrogen in the body, leading to an increasing incidence of estrogen-related tumors in breast cancer, ovarian cancer and endometrial cancer. Previous studies have demonstrated that ginger can inhibit the expression of estrogen receptors, while the bioactive ingredients of ginger sig-nificantly inhibit proliferation and promote the apoptosis of breast cancer cells. In the present study, a quantitative proteomics technique based on relative and absolute quanti-tative isobaric labeling was used to determine the effect of ginger essential oil (GEO) and BPA combined treatment on the proteomic characteristics of MCF-7 cells. In total, 5,084 proteins were detected. Proteins that were upregulated >1.2-fold and downregu-lated by >0.8-fold were differentially expressed. Overall, 528 differentially expressed proteins were identified. Compared with the control group, MCF-7 cells treated with GEO, BPA and GEO-BPA resulted in 45 (14 up- and 31 downregulated), 481 (141 up- and 340 downregulated) and 34 (13 up- and 21 downregulated) differentially ex-pressed proteins, respectively. Compared with the BPA group, MCF- 7 cells treated with GEO-BPA resulted in 210 (117 up- and 93 downregulated) differentially expressed proteins, among the 210 differentially expressed proteins in the GEO-BPA group, 10 proteins were associated with oxidative phosphorylation pathways, while succinate dehydrogenase (ubiquinone) iron-sulfur subunit (SDHB), succinate dehydrogenase cytochrome b560 subunit, mitochondrial (SDHC), cytochrome c oxidase subunit 2 and superoxide dismutase (Mn), mitochondrial (SOD2) expression was decreased with GEO-BPA combined treatment. Through the analysis of Gene Ontology and Kyoto Encyclopedia of Genes and Genomes, the cellular localization, functional annotation and biological pathways of differentially expressed proteins were ex-amined. The results indicated that GEO-BPA may act through the oxidative phosphory-lation pathway, decreased the expression of SDHB and SDHC, affected the tricarbox-ylic acid cycle and decreased the expression of SOD2. This may have led to oxidative stress and the death of breast cancer cells, and the SDH signaling pathway may be an important mediator of the inhibitory effects of GEO in MCF-7 breast cancer cells. GEO can inhibit the proliferation of breast cancer MCF-7 cells induced by BPA, and the underlying mechanism may be associated with oxidative phosphorylation. These results may aid the development of future treatment strategies for breast cancer caused by environmental estrogen exposure.
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Affiliation(s)
- Dan Lei
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Tao Hong
- School of Clinical Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Longxue Li
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Lai Chen
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Xiaoquan Luo
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Qinghua Wu
- Basic Medical College, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Zhiyong Liu
- Experimental Animal Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China.,Key Laboratory of Pharmacology of Traditional Chinese Medicine in Jiangxi, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
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Attal N, Sullivan MT, Girardi CA, Thompson KJ, McKillop IH. Fatty acid binding protein-4 promotes alcohol-dependent hepatosteatosis and hepatocellular carcinoma progression. Transl Oncol 2020; 14:100975. [PMID: 33290990 PMCID: PMC7719965 DOI: 10.1016/j.tranon.2020.100975] [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: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023] Open
Abstract
Fatty liver disease (hepatosteatosis) is a hallmark of ALD and NAFLD. FABP4 is normally expressed in adipocytes and macrophages. ALD leads to FABP4 synthesis/release from steatotic hepatocytes. FABP4 stimulates hepatoma cell growth and migration.
Fatty liver disease (hepatosteatosis) is a common early pathology in alcohol-dependent and obese patients. Fatty acid binding protein-4 (FABP4) is normally expressed in adipocytes and macrophages and functions as a regulator of intracellular lipid movement/storage. This study sought to investigate hepatic FABP4 expression and function in alcoholic liver disease (ALD) and hepatocellular carcinoma (HCC). Using chronic ethanol fed mouse models and patient samples FABP4 expression was analyzed. Human HCC cells, and HCC cells transfected to express CYP2E1, were exposed to ethanol and analyzed for FABP4 expression, or exposed to rhFABP4 (in the absence/presence of ERK, p38-MAPK or JNK1/2 inhibitors) and cell proliferation and migration measured. Hepatosteatotic-ALD mouse models exhibited increased hepatic FABP4 mRNA and protein levels, with FABP4 expression confirmed in hepatocytes. In HCC cells, CYP2E1-dependent ethanol metabolism induced FABP4 expression in vitro and exogenous rhFABP4 stimulated proliferation and migration, effects abrogated by ERK and JNK1/2 inhibition. Increased FABP4 was also detected in ALD/ALD-HCC patients, but not patients with viral hepatitis/HCC. Collectively these data demonstrate ethanol metabolism induces hepatic FABP4 expression and FABP4 promotes hepatoma cell proliferation/migration. These data suggest liver-derived FABP4 may be an important paracrine-endocrine factor during hepatic foci expansion and/or hepatoma progression in the underlying setting of ALD.
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Affiliation(s)
- Neha Attal
- Department of Surgery, Carolinas Medical Center, 1000 Blythe Blvd, Charlotte, NC 28203 USA.
| | - Mariel T Sullivan
- Department of Surgery, Carolinas Medical Center, 1000 Blythe Blvd, Charlotte, NC 28203 USA.
| | - Cara A Girardi
- Department of Surgery, Carolinas Medical Center, 1000 Blythe Blvd, Charlotte, NC 28203 USA.
| | - Kyle J Thompson
- Department of Surgery, Carolinas Medical Center, 1000 Blythe Blvd, Charlotte, NC 28203 USA.
| | - Iain H McKillop
- Department of Surgery, Carolinas Medical Center, 1000 Blythe Blvd, Charlotte, NC 28203 USA.
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Santos SAA, Camargo ACL, Constantino FB, Colombelli KT, Portela LMF, Fioretto MN, Vieira JCS, Padilha PM, de Oliveira MB, Felisbino SL, Carvalho RF, Justulin LA. Identification of potential molecular pathways involved in prostate carcinogenesis in offspring exposed to maternal malnutrition. Aging (Albany NY) 2020; 12:19954-19978. [PMID: 33049715 PMCID: PMC7655221 DOI: 10.18632/aging.104093] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/05/2020] [Indexed: 12/12/2022]
Abstract
The developmental origins of health and disease concept links adult diseases with early-life exposure to inappropriate environmental conditions. Intrauterine and postnatal malnutrition may lead to an increased incidence of type 2 diabetes, obesity, and cardiovascular diseases. Maternal malnutrition (MM) has also been associated with prostate carcinogenesis. However, the molecular mechanisms associated with this condition remain poorly understood. Using a proteomic analysis, we demonstrated that MM changed the levels of proteins associated with growth factors, estrogen signaling, detoxification, and energy metabolism in the prostate of both young and old rats. These animals also showed increased levels of molecular markers of endoplasmic reticulum function and histones. We further performed an in silico analysis that identified commonly deregulated proteins in the ventral prostate of old rats submitted to MM with a mouse model and patients with prostate cancer. In conclusion, our results demonstrated that estrogenic signaling pathways, endoplasmic reticulum functions, energy metabolism, and molecular sensors of protein folding and Ca2+ homeostasis, besides histone, and RAS-GTPase family appear to be involved in this process. Knowledge of these factors may raise discussions regarding the role of maternal dietary intervention as a public policy for the lifelong prevention of chronic diseases.
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Affiliation(s)
- Sérgio Alexandre Alcantara Santos
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Ana Carolina Lima Camargo
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Flávia Bessi Constantino
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Ketlin Thassiani Colombelli
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Luiz Marcos Frediani Portela
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Matheus Naia Fioretto
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - José Cavalcante Souza Vieira
- Department of Chemical and Biological Sciences, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Pedro Magalhães Padilha
- Department of Chemical and Biological Sciences, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Mateus Betta de Oliveira
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Sergio Luis Felisbino
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Robson Francisco Carvalho
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
| | - Luis Antonio Justulin
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University (UNESP), Botucatu 18618-689, São Paulo, Brazil
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Proteomic Characterization of Colorectal Cancer Cells versus Normal-Derived Colon Mucosa Cells: Approaching Identification of Novel Diagnostic Protein Biomarkers in Colorectal Cancer. Int J Mol Sci 2020; 21:ijms21103466. [PMID: 32422974 PMCID: PMC7278953 DOI: 10.3390/ijms21103466] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 05/12/2020] [Indexed: 12/24/2022] Open
Abstract
In the western world, colorectal cancer (CRC) is the third most common cause of cancer-related deaths. Survival is closely related to the stage of cancer at diagnosis striking the clinical need for biomarkers capable of early detection. To search for possible biological parameters for early diagnosis of CRC we evaluated protein expression for three CREC (acronym: Cab45, reticulocalbin, ERC-55, calumenin) proteins: reticulocalbin, calumenin, and ERC-55 in a cellular model consisting of a normal derived colon mucosa cell line, NCM460, and a primary adenocarcinoma cell line of the colon, SW480. Furthermore, this cellular model was analyzed by a top-down proteomic approach, 2-dimensional polyacrylamide gel electrophoresis (2D-PAGE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) for novel putative diagnostic markers by identification of differentially expressed proteins between the two cell lines. A different colorectal carcinoma cell line, HCT 116, was used in a bottom-up proteomic approach with label-free quantification (LFQ) LC-MS/MS. The two cellular models gave sets of putative diagnostic CRC biomarkers. Various of these novel putative markers were verified with increased expression in CRC patient neoplastic tissue compared to the expression in a non-involved part of the colon, including reticulocalbin, calumenin, S100A6 and protein SET. Characterization of these novel identified biological features for CRC patients may have diagnostic potential and therapeutic relevance in this malignancy characterized by a still unmet clinical need.
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Zhang JZ, Wu ZH, Cheng Q. Screening and identification of key biomarkers in nasopharyngeal carcinoma: Evidence from bioinformatic analysis. Medicine (Baltimore) 2019; 98:e17997. [PMID: 31770211 PMCID: PMC6890310 DOI: 10.1097/md.0000000000017997] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
As for the lack of simple and effective diagnostic methods at the early of the nasopharyngeal carcinoma (NPC), the mortality rate of NPC still remains high. Therefore, it is meaningful to explore the precise molecular mechanisms involved in the proliferation, carcinogenesis, and recurrence of NPC and thus find an effective diagnostic way and make a better therapeutic strategy.Three gene expression data sets (GSE64634, GSE53819, and GSE12452) were downloaded from Gene Expression Omnibus (GEO) and analyzed using the online tool GEO2R to identify differentially expressed genes (DEGs). Gene ontology functional analysis and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis of the DEGs were performed in Database for Annotation, Visualization and Integrated Discovery. The Search Tool for the Retrieval of Interacting Genes database was used to evaluate the interactions of DEGs and to construct a protein-protein interaction network using Cytoscape software. Hub genes were validated with the cBioPortal database.The overlap among the 3 data sets contained 306 genes were identified to be differentially expressed between NPC and non-NPC samples. A total of 13 genes (DNAAF1, PARPBP, TTC18, GSTA3, RCN1, MUC5AC, POU2AF1, FAM83B, SLC22A16, SPEF2, ERICH3, CCDC81, and IL33) were identified as hub genes with degrees ≥10.The present study was attempted to identify and functionally analyze the DEGs that may be involved in the carcinogenesis or progression of NPC by using comprehensive bioinformatics analyses and unveiled a series of hub genes and pathways. A total of 306 DEGs and 13 hub genes were identified and may be regarded as diagnostic biomarkers for NPC. However, more experimental studies are needed to carried out elucidate the biologic function of these genes results for NPC.
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Affiliation(s)
- Ji-Zhou Zhang
- Graduate School, Nanjing University of Chinese Medicine, Nanjing
- Oncology Department, Wenzhou Traditional Chinese Medicine affiliated to Zhejiang Chinese Medicine University, Wenzhou
| | - Zeng-Hong Wu
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qing Cheng
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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12
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McKillop IH, Girardi CA, Thompson KJ. Role of fatty acid binding proteins (FABPs) in cancer development and progression. Cell Signal 2019; 62:109336. [PMID: 31170472 DOI: 10.1016/j.cellsig.2019.06.001] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/31/2019] [Accepted: 06/01/2019] [Indexed: 01/06/2023]
Abstract
Fatty acid binding proteins (FABPs) are small, water soluble proteins that bind long chain fatty acids and other biologically active ligands to facilitate intracellular localization. Twelve FABP family members have been identified to date, with 10 isoforms expressed in humans. Functionally, FABPs are important in fatty acid metabolism and transport, with distinct family members having the capacity to influence gene transcription. Expression of FABPs is usually cell/tissue specific to one predominant FABP family member. Dysregulation of FABP expression can occur through genetic mutation and/or environmental-lifestyle influences. In addition to intracellular function, exogenous, circulating FABP expression can occur and is associated with specific disease states such as insulin resistance. A role for FABPs is increasingly being reported in tumor biology with elevated exogenous FABP expression being associated with tumor progression and invasiveness. However, a less clear role has been appreciated for dysregulated FABP expression during cell transformation and early expansion.
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Affiliation(s)
- Iain H McKillop
- Department of Surgery, Carolinas Medical Center, Atrium Health, Charlotte, NC 28203, USA
| | - Cara A Girardi
- Department of Surgery, Carolinas Medical Center, Atrium Health, Charlotte, NC 28203, USA
| | - Kyle J Thompson
- Department of Surgery, Carolinas Medical Center, Atrium Health, Charlotte, NC 28203, USA.
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13
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Wang G, Zhou J, Lu F, Qiu L, Xu L, Yang X, Miao Y. Downregulation of microRNA‑183‑5p inhibits the proliferation and invasion of colorectal cancer cells by inactivating the reticulocalbin‑2/Wnt/β‑catenin signaling pathway. Mol Med Rep 2019; 19:4475-4483. [PMID: 30896885 DOI: 10.3892/mmr.2019.10059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 01/31/2019] [Indexed: 12/27/2022] Open
Abstract
microRNAs (miRNAs) are frequently aberrantly expressed in colorectal cancer (CRC) and are considered to serve a critical role in the onset and development of CRC by binding to its target transcription factor. The aim of the present study was to examine the role of miRNA (miR)‑183‑5p in the proliferation, invasion and migration of CRC cells, in addition to its underlying mechanism. Reverse transcription‑quantitative polymerase chain reaction analysis was used to detect the expression level of miR‑183‑5p. MTT and Transwell assays were performed to examine proliferation and invasion in SW620 cells. Western blot analysis was performed to determine the protein expression of reticulocalbin‑2 (RCN2), matrix metalloproteinase‑2, β‑catenin, cyclin D1 and c‑Myc. miR‑183‑5p expression was significantly upregulated in the CRC tissues compared with adjacent normal tissues. In addition, the inhibition of miR‑183‑5p suppressed proliferation, invasion and migration in SW620 cells. miR‑183‑5p downregulation or overexpression regulated the CRC cell cycle, invasion and migration by modulating RCN2 expression. Furthermore, the Wnt/β‑catenin pathway was observed to be involved in the inhibitory effect of miR‑183‑5p downregulation in CRC cell proliferation, invasion and migration. These results provided evidence that the downregulation of miR‑183‑5p inhibits CRC proliferation and invasion by regulating the RCN2/Wnt/β‑catenin pathway. miR‑183‑5p and RCN2 may serve an important role in the molecular etiology of CRC and have potential applications in CRC treatment.
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Affiliation(s)
- Gang Wang
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
| | - Jingrong Zhou
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
| | - Feng Lu
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
| | - Lei Qiu
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
| | - Liang Xu
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
| | - Xiuwei Yang
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
| | - Yongchang Miao
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang, Haizhou, Jiangsu 310000, P.R. China
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14
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Mathis C, Lascombe I, Monnien F, Bittard H, Kleinclauss F, Bedgedjian I, Fauconnet S, Valmary-Degano S. Down-regulation of A-FABP predicts non-muscle invasive bladder cancer progression: investigation with a long term clinical follow-up. BMC Cancer 2018; 18:1239. [PMID: 30526555 PMCID: PMC6288864 DOI: 10.1186/s12885-018-5137-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/26/2018] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Non-muscle invasive bladder cancers (NMIBC: pTa, pT1) are characterised by a high risk of recurrence and/or progression. Identification of prognostic markers is needed to improve both diagnosis and management of the disease. The aim of this study was to analyse the expression of A-FABP (adipocyte-fatty acid binding protein) and to evaluate its prognostic value in bladder cancer with a long term clinical follow-up. METHODS A-FABP expression was investigated by immunohistochemistry in 236 tumours (114 pTa, 61 pT1, 61 pT2-4). Immunostaining was classified as negative (absent or weak immunostaining and moderate or strong staining on ≤10% of cells) or positive (moderate or strong staining on > 10% of cells). Event-free survival (EFS) and overall survival (OS) were determined with a 87.3 months median follow-up in the overall cohort. Recurrence-free survival (RFS) and progression-free survival (PFS) were established in NMIBC. RESULTS Loss of A-FABP was associated with higher mean age, high stage/grade, and the presence of metastatic lymph nodes. It was correlated with shorter median EFS (17.5 vs 62.5 months; p = 0.001) and mean OS (76.7 vs 154.2 months; p = 0.009) and with higher risk of progression in the pTa/pT1 subgroup (HR, 0.36; 95% CI, 0.13-0.96; p = 0.041) and importantly in the pTa tumours (HR, 0.34; 95% CI, 0.10-0.97; p = 0.045). CONCLUSION These results demonstrated that loss of A-FABP expression following a long follow-up was predictive of pTa and pTa/pT1 progression. Immunohistochemistry on diagnostic biopsy is easy to use and could be of value to help clinicians to propose appropriate treatment for these tumours.
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Affiliation(s)
- Christel Mathis
- Department of Pathology, University Hospital of Besançon, F-25000, Besançon, France
| | - Isabelle Lascombe
- University Bourgogne Franche-Comté, EA3181, LabEx LipSTIC ANR-11-LABX-0021, F-25030, Besançon, France
| | - Franck Monnien
- Department of Pathology, University Hospital of Besançon, F-25000, Besançon, France
| | - Hugues Bittard
- University Bourgogne Franche-Comté, EA3181, LabEx LipSTIC ANR-11-LABX-0021, F-25030, Besançon, France.,Department of Urology, University Hospital of Besançon, F-25000, Besançon, France
| | - François Kleinclauss
- Department of Urology, University Hospital of Besançon, F-25000, Besançon, France
| | - Isabelle Bedgedjian
- Department of Pathology, University Hospital of Besançon, F-25000, Besançon, France
| | - Sylvie Fauconnet
- University Bourgogne Franche-Comté, EA3181, LabEx LipSTIC ANR-11-LABX-0021, F-25030, Besançon, France. .,Department of Urology, University Hospital of Besançon, F-25000, Besançon, France.
| | - Séverine Valmary-Degano
- Department of Pathology, University Hospital of Besançon, F-25000, Besançon, France. .,University Bourgogne Franche-Comté, EA3181, LabEx LipSTIC ANR-11-LABX-0021, F-25030, Besançon, France.
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15
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Chen X, Shao W, Huang H, Feng X, Yao S, Ke H. Overexpression of RCN1 correlates with poor prognosis and progression in non-small cell lung cancer. Hum Pathol 2018; 83:140-148. [PMID: 30172915 DOI: 10.1016/j.humpath.2018.08.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 08/15/2018] [Accepted: 08/19/2018] [Indexed: 11/16/2022]
Abstract
We investigated the expression of reticulocalbin-1 (RCN1) and its prognostic significance in non-small cell lung cancer (NSCLC). RCN1 expression was evaluated by immunohistochemical analysis with tissue microarrays in NSCLC tissues and matched adjacent noncancerous tissues. Furthermore, quantitative polymerase chain reaction and Western blot were also used to examine the expression of RCN1. Moreover, the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide, clone formation, and transwell assays were used to measure cell proliferation, migration, and invasion. Lastly, we used the Kaplan-Meier method and log-rank test to compare overall survival rates between the RCN1-high expression group and the RCN1-low expression group. In this study, immunohistochemistry by tissue microarray at RCN1 expression was significantly up-regulated in NSCLC tissues compared with adjacent noncancerous tissues. We further confirmed the up-regulation of RCN1 by quantitative polymerase chain reaction and Western blot assay. RCN1 expression level was closely related to lymph node metastasis (P < .001) and TNM stage (P = .012). Kaplan-Meier analysis showed that high RCN1 expression was remarkably associated with poor prognosis with NSCLC patients. A suppression of cell proliferation, migration, and invasion was obtained in A549 cells treated with RCN1 small interfering RNA. Our data indicate that RCN1 expression may have an vital role at promoting the occurrence of NSCLC, and it may be a vital molecular marker in the diagnosis and prognosis of NSCLC patients.
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Affiliation(s)
- Xinming Chen
- Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China
| | - Weiwei Shao
- Department of General Surgery, The Fourth Affiliated Hospital of Nantong University, Yancheng 224001, Jiangsu, China
| | - Hua Huang
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China
| | - Xiaochun Feng
- Medical College, Nantong University, Nantong 226001, Jiangsu, China
| | - Sumei Yao
- Department of Respiratory Medicine, The Second Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China.
| | - Honggang Ke
- Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, China.
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16
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Liu X, Zhang N, Wang D, Zhu D, Yuan Q, Zhang X, Qian L, Niu H, Lu Y, Ren G, Tian K, Yuan H. Downregulation of reticulocalbin-1 differentially facilitates apoptosis and necroptosis in human prostate cancer cells. Cancer Sci 2018; 109:1147-1157. [PMID: 29453900 PMCID: PMC5891187 DOI: 10.1111/cas.13541] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 02/04/2018] [Accepted: 02/10/2018] [Indexed: 12/16/2022] Open
Abstract
Reticulocalbin 1 (RCN1), an endoplasmic reticulum (ER)‐resident Ca2+‐binding protein, is dysregulated in cancers, but its pathophysiological roles are largely unclear. Here, we demonstrate that RCN1 is overexpressed in clinical prostate cancer (PCa) samples, associated with cyclin B, not cyclin D1 expression, compared to that of benign tissues in a Chinese Han population. Downregulation of endogenous RCN1 significantly suppresses PCa cell viability and arrests the cell cycles of DU145 and LNCaP cells at the S and G2/M phases, respectively. RCN1 depletion causes ER stress, which is evidenced by induction of GRP78, activation of PERK and phosphorylation of eIF2α in PCa cells. Remarkably, RCN1 loss triggers DU145 cell apoptosis in a caspase‐dependent manner but mainly causes necroptosis in LNCaP cells. An animal‐based analysis confirms that RCN1 depletion suppresses cell proliferation and promotes cell death. Further investigations reveal that RCN1 depletion leads to elevation of phosphatase and tensin homolog (PTEN) and inactivation of AKT in DU145 cells. Silencing of PTEN partially restores apoptotic cells upon RCN1 loss. In LNCaP cells, predominant activation of CaMKII is important for necroptosis in response to RCN1 depletion. Thus, RCN1 may promote cell survival and serve as a useful target for cancer therapy.
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Affiliation(s)
- Xiaofei Liu
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Nianzhao Zhang
- Department of Urology, Qilu Hospital, Shandong University, Jinan, China
| | - Dawei Wang
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Deyu Zhu
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Quan Yuan
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Xiulei Zhang
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Lilin Qian
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Huanmin Niu
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Yi Lu
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Guijie Ren
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Keli Tian
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
| | - Huiqing Yuan
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, China
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17
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Zamani A, Fan H, Luo G. Identification of cellular genes and pathways important for tumorigenicity of hepatocellular carcinoma cell lines by proteomic profiling. Oncotarget 2017; 8:96171-96183. [PMID: 29221196 PMCID: PMC5707090 DOI: 10.18632/oncotarget.21821] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 07/18/2017] [Indexed: 12/22/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the most commonly diagnosed malignancy of the liver. A more thorough understanding of HCC pathogenesis will provide novel targets for development of cancer drugs to effectively treat HCC. To further this goal, we carried out a proteomic profiling of HCC cell lines Huh-7.4 and Huh-7.5. These two cell lines were derived from subgenomic HCV RNA-replicating Huh-7 cells upon clearance of HCV RNA by antiviral drug treatment. Initially, the tumorigenicity of each cell line was determined and compared in parallel in the same immunedeficient mice. Strikingly, the Huh-7.4 cell line was able to induce tumors, whereas the Huh-7.5 cell line failed to do so, providing unique model systems for identifying cellular genes and pathways important for HCC development and progression. Subsequently, one-dimensional LC-MS/MS proteomic and bioinformatics analyses were performed in the hope of identifying unique cellular genes and pathways responsible for HCC tumorigenicity. Interestingly, a total of 130 cellular genes were found to be significantly up- or downregulated between these two cell lines (r>3 fold, P<0.001). Also, EIF (EIF2&4), mTOR/p70S6K, ERK5, and EGFR signaling pathways were significantly different. Overall, these results provide significant new information to shed light on the underlying biological processes involved in HCC development and progression.
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Affiliation(s)
- Ali Zamani
- Department of Microbiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL 35294, USA
- Current address: Department of Pathology and Laboratory Medicine, University of Pennsylvania, School of Medicine, Philadelphia, PA 19104, USA
| | - Huahao Fan
- Department of Microbiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL 35294, USA
- Department of Microbiology, Peking University Health Science Center School of Basic Medical Sciences, Beijing, 100191, China
| | - Guangxiang Luo
- Department of Microbiology, University of Alabama at Birmingham School of Medicine, Birmingham, AL 35294, USA
- Department of Microbiology, Peking University Health Science Center School of Basic Medical Sciences, Beijing, 100191, China
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18
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Qin G, Dang M, Gao H, Wang H, Luo F, Chen R. Deciphering the protein–protein interaction network regulating hepatocellular carcinoma metastasis. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2017. [DOI: 10.1016/j.bbapap.2017.06.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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19
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Reticulocalbin-2 enhances hepatocellular carcinoma proliferation via modulating the EGFR-ERK pathway. Oncogene 2017; 36:6691-6700. [DOI: 10.1038/onc.2017.230] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 04/27/2017] [Accepted: 05/27/2017] [Indexed: 12/23/2022]
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20
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Beger R, Yu LR, Daniels J, Mattes W. Exploratory biomarkers: Analytical approaches and their implications. CURRENT OPINION IN TOXICOLOGY 2017. [DOI: 10.1016/j.cotox.2017.06.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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21
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Xu S, Xu Y, Chen L, Fang Q, Song S, Chen J, Teng J. RCN1 suppresses ER stress-induced apoptosis via calcium homeostasis and PERK-CHOP signaling. Oncogenesis 2017; 6:e304. [PMID: 28319095 PMCID: PMC5533947 DOI: 10.1038/oncsis.2017.6] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 12/07/2016] [Accepted: 01/03/2017] [Indexed: 02/07/2023] Open
Abstract
Endoplasmic reticulum (ER) stress is caused by the disturbance of ER homeostasis and leads to the activation of the unfolded protein response (UPR), which alleviates stress at an early stage and triggers apoptosis if homeostasis fails over a prolonged timeframe. Here, we report that reticulocalbin 1 (RCN1), a member of the CREC family, is transactivated by nuclear factor kappa B (NF-κB) during ER stress and inhibits ER stress-induced apoptosis. The depletion of RCN1 increases the UPR during drug-induced ER stress by activating PRKR-like ER kinase–CCAAT/enhancer-binding protein-homologous protein (PERK–CHOP) signaling, thus inducing apoptosis. Furthermore, we found that the first two EF-hand calcium-binding motifs of RCN1 specifically interact with inositol 1,4,5-trisphosphate (IP3) receptor type 1 (IP3R1) on loop 3 of its ER luminal domain and inhibit ER calcium release and apoptosis. Together, these data indicate that RCN1, a target of NF-κB, suppresses ER calcium release by binding to IP3R1 and decreases the UPR, thereby inhibiting ER stress-induced apoptosis.
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Affiliation(s)
- S Xu
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China
| | - Y Xu
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China
| | - L Chen
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China
| | - Q Fang
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China
| | - S Song
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China
| | - J Chen
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China.,Center for Quantitative Biology, Peking University, Beijing, China
| | - J Teng
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, State Key Laboratory of Bio-membrane and Membrane Bio-engineering, College of Life Sciences, Peking University, Beijing, China
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22
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Xing X, Liang D, Huang Y, Zeng Y, Han X, Liu X, Liu J. The application of proteomics in different aspects of hepatocellular carcinoma research. J Proteomics 2016; 145:70-80. [DOI: 10.1016/j.jprot.2016.03.050] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Revised: 03/23/2016] [Accepted: 03/29/2016] [Indexed: 12/12/2022]
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23
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Chen WS, Yen CJ, Chen YJ, Chen JY, Wang LY, Chiu SJ, Shih WL, Ho CY, Wei TT, Pan HL, Chien PH, Hung MC, Chen CC, Huang WC. miRNA-7/21/107 contribute to HBx-induced hepatocellular carcinoma progression through suppression of maspin. Oncotarget 2016; 6:25962-74. [PMID: 26296971 PMCID: PMC4694878 DOI: 10.18632/oncotarget.4504] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 07/06/2015] [Indexed: 02/07/2023] Open
Abstract
Maspin suppresses tumor progression by promoting cell adhesion and apoptosis and by inhibiting cell motility. However, its role in tumorigenesis of hepatocellular carcinoma (HCC) remains unclear. The gene regulation of maspin and its relationship with HCC patient prognosis were investigated in this study. Maspin expression was specifically reduced in HBV-associated patients and correlated with their poor prognosis. Maspin downregulation in HCC cells was induced by HBx to promote their motility and resistance to anoikis and chemotherapy. HBx-dependent induction of microRNA-7, -107, and -21 was further demonstrated to directly target maspin mRNA, leading to its protein downregulation. Higher expressions of these microRNAs also correlated with maspin downregulation in HBV-associated patients, and were associated with their poor overall survival. These data not only provided new insights into the molecular mechanisms of maspin deficiency by HBx, but also indicated that downregulation of maspin by microRNAs confers HBx-mediated aggressiveness and chemoresistance in HCC.
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Affiliation(s)
- Wen-Shu Chen
- Department of Pharmacology, National Taiwan University, Taipei, Taiwan.,Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Cancer Biology, China Medical University, Taichung, Taiwan
| | - Chia-Jui Yen
- Internal Medicine, National Cheng-Kung University, Tainan, Taiwan
| | - Yun-Ju Chen
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan.,Department of Biological Science and Technology, I-Shou University, Kaohsiung, Taiwan
| | - Jhen-Yu Chen
- Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Cancer Biology, China Medical University, Taichung, Taiwan.,The Ph.D. Program for Cancer Biology and Drug Discovery, China Medical University, Taichung, Taiwan
| | - Li-Yun Wang
- Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Cancer Biology, China Medical University, Taichung, Taiwan
| | - Shu-Jun Chiu
- Department of Life Sciences, Tzu Chi University, Hualien, Taiwan.,Institute of Radiation Sciences, Tzu Chi Technology College, Hualien, Taiwan
| | - Wen-Ling Shih
- Department of Biological Science and Technology, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Chien-Yi Ho
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Tzu-Tang Wei
- Department of Pharmacology, National Taiwan University, Taipei, Taiwan
| | - Hsiao-Lin Pan
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan
| | - Pei-Hsuan Chien
- Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan
| | - Mien-Chie Hung
- Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Cancer Biology, China Medical University, Taichung, Taiwan.,Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ching-Chow Chen
- Department of Pharmacology, National Taiwan University, Taipei, Taiwan
| | - Wei-Chien Huang
- Center for Molecular Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Cancer Biology, China Medical University, Taichung, Taiwan.,The Ph.D. Program for Cancer Biology and Drug Discovery, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan
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24
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Nakakido M, Tamura K, Chung S, Ueda K, Fujii R, Kiyotani K, Nakamura Y. Phosphatidylinositol glycan anchor biosynthesis, class X containing complex promotes cancer cell proliferation through suppression of EHD2 and ZIC1, putative tumor suppressors. Int J Oncol 2016; 49:868-76. [PMID: 27572108 PMCID: PMC4948962 DOI: 10.3892/ijo.2016.3607] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Accepted: 06/21/2016] [Indexed: 12/26/2022] Open
Abstract
We identified phosphatidylinositol glycan anchor biosynthesis, class X (PIGX), which plays a critical role in the biosynthetic pathway of glycosylphosphatidylinositol (GPI)-anchor motif, to be upregulated highly and frequently in breast cancer cells. Knockdown of PIGX as well as reticulocalbin 1 (RCN1) and reticulocalbin 2 (RCN2), which we found to interact with PIGX and was indicated to regulate calcium-dependent activities, significantly suppressed the growth of breast cancer cells. We also identified PIGX to be a core protein in an RCN1/PIGX/RCN2 complex. Microarray analysis revealed that the expression of two putative tumor suppressor genes, Zic family member 1 (ZIC1) and EH-domain containing 2 (EHD2), were upregulated commonly in cells in which PIGX, RCN1, or RCN2 was knocked down, suggesting that this RCN1/PIGX/RCN2 complex could negatively regulate the expression of these two genes and thereby contribute to human breast carcinogenesis. Our results imply that PIGX may be a good candidate molecule for development of novel anticancer drugs for breast cancer.
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Affiliation(s)
- Makoto Nakakido
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Kenji Tamura
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Suyoun Chung
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Koji Ueda
- Project for Realization of Personalized Cancer Medicine, Genome Center, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Risa Fujii
- Project for Realization of Personalized Cancer Medicine, Genome Center, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Kazuma Kiyotani
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Yusuke Nakamura
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
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Aune Westergaard Hansen G, Ludvigsen M, Jacobsen C, Cangemi C, Melholt Rasmussen L, Vorum H, Honoré B. Fibulin-1C, C1 Esterase Inhibitor and Glucose Regulated Protein 75 Interact with the CREC Proteins, Calumenin and Reticulocalbin. PLoS One 2015; 10:e0132283. [PMID: 26161649 PMCID: PMC4498735 DOI: 10.1371/journal.pone.0132283] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Accepted: 06/11/2015] [Indexed: 01/12/2023] Open
Abstract
Affinity purification, immunoprecipitation, gel electrophoresis and mass spectrometry were used to identify fibulin-1C, C1 esterase inhibitor and glucose regulated protein 75, grp75, as binding partners of the CREC proteins, calumenin and reticulocalbin. Surface plasmon resonance was used to verify the interaction of all three proteins with each of the CREC proteins. Fibulin-1C interacts with calumenin and reticulocalbin with an estimated dissociation constant around 50-60 nM. The interaction, at least for reticulocalbin, was not dependent upon the presence of Ca2+. C1 esterase inhibitor interacted with both proteins with an estimated dissociation constant at 1 μM for reticulocalbin and 150 nM for calumenin. The interaction, at least for calumenin, was dependent upon the presence of Ca2+ with strong interaction at 3.5 mM while no detectable interaction could be found at 0.1 mM. Grp75 binds with an affinity of approximately 3-7 nM with reticulocalbin as well as with calumenin. These interactions suggest functional participation of the CREC proteins in chaperone activity, cell proliferation and transformation, cellular aging, haemostasis and thrombosis as well as modulation of the complement system in fighting bacterial infection.
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Affiliation(s)
| | - Maja Ludvigsen
- Department of Biomedicine, Ole Worms Allé 3, Building 1182, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Christian Jacobsen
- Department of Biomedicine, Ole Worms Allé 3, Building 1182, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Claudia Cangemi
- Department of Clinical Biochemistry and Pharmacology, Center for Individualized Medicine in Arterial Diseases (CIMA), Odense University Hospital, Sdr. Boulevard 29, DK-5000 Odense C, Denmark
| | - Lars Melholt Rasmussen
- Department of Clinical Biochemistry and Pharmacology, Center for Individualized Medicine in Arterial Diseases (CIMA), Odense University Hospital, Sdr. Boulevard 29, DK-5000 Odense C, Denmark
| | - Henrik Vorum
- Department of Ophthalmology, Aalborg University Hospital, Hobrovej 18–22, 9100 Aalborg, Denmark
| | - Bent Honoré
- Department of Biomedicine, Ole Worms Allé 3, Building 1182, Aarhus University, DK-8000 Aarhus C, Denmark
- * E-mail:
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Yao C, Zhuang H, Cheng W, Lin Y, Du P, Yang B, Huang X, Chen S, Hu Q, Hua ZC. FADD phosphorylation impaired islet morphology and function. J Cell Physiol 2015; 230:1448-56. [PMID: 25641109 DOI: 10.1002/jcp.24885] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 11/26/2014] [Indexed: 11/06/2022]
Abstract
Previous studies have indicated that Fas-FasL pathway and its downstream caspase-8 can regulate islet mass and insulin secretion. As a classical adaptor in Fas-FasL signaling, Fas-associated death domain-containing protein (FADD) takes part in many non-apoptosis processes regulated by its phosphorylation. However, its role in islets has not been evaluated to date. Here, through comparative proteomics and bioinformatic analysis on FADD phosphorylated (FADD-D) and wild-type (WT) MEFs, we found three proteins involved in islet differentiation and function were dysregulated due to FADD phosphorylation. The mouse model of FADD-D, which mimics constitutive phosphorylated FADD expression in mice, was further analyzed to address this issue. We confirmed the proteomic results by immunohistological analyses on pancreatic islets. In addition, we found that FADD-D mice displayed decreased islet area, and the glucose stimulated insulin secretion (GSIS) of FADD-D islets was impaired. These data suggest a novel role of FADD in islet development and insulin secretion.
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Affiliation(s)
- Chun Yao
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Stomatology and Affiliated Stomatological Hospital, Nanjing University, Nanjing, 210093, P. R. China
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Chen XG, Xu CS. Proteomic analysis of the regenerating liver following 2/3 partial hepatectomy in rats. Biol Res 2014; 47:59. [PMID: 25723318 PMCID: PMC4335715 DOI: 10.1186/0717-6287-47-59] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 11/04/2014] [Indexed: 12/16/2022] Open
Abstract
Background Liver regeneration (LR) after 2/3 partial hepatectomy (PH) is one of the most studied models of cell, organ, and tissue regeneration. Although the transcriptional profile analysis of regenerating liver has been carried out by many reserachers, the dynamic protein expression profile during LR has been rarely reported up to date. Therefore, this study aims to detect the global proteomic profile of the regenerating rat liver following 2/3 hepatectomy, thereby gaining some insights into hepatic regeneration mechanism. Results Protein samples extracted from the sham-operated and the regenerating rat livers at 6, 12, 24, 72, 120 and 168 h after PH were separated by IEF/SDS-PAGE and then analyzed by MALDI-TOF/TOF mass spectrometry. Compared to sham-operated groups, there were totally 220 differentially expressed proteins (including 156 up-regulated, 62 down-regulated, and 2 up/down-regulated ones) identified in the regenerating rat livers, and most of them have not been previously related to liver regeneration. According to the expression pattern analysis combined with gene functional analysis, it showed that lipid and carbohydrate metabolism were enhanced at the early phase of LR and continue throughout the regeneration process. Ingenuity Pathway Analysis indicated that YWHAE protein (one of members of the 14-3-3 protein family) was located at the center of pathway networks at all the timepoints after 2/3 hepatectomy under our experimental conditions, maybe suggesting a central role of this protein in regulating liver regeneration. Additionally, we also revealed the role of Cdc42 (cell division cycle 42) in the termination of LR. Conclusions For the first time, our proteomic analysis suggested an important role of YWHAE and pathway mediated by this protein in liver regeneration, which might be helpful in expanding our understanding of LR amd unraveling the mechanisms of LR. Electronic supplementary material The online version of this article (doi:10.1186/0717-6287-47-59) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiao-Guang Chen
- Animal Science and Technology School, Henan University of Science and Technology, Luoyang, Henan Province, 471003, China.
| | - Cun-Shuan Xu
- Key Laboratory for Cell Differentiation Regulation, Henan Normal University, Xinxiang, Henan Province, 453007, China.
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28
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Lihong H, Linlin G, Yiping G, Yang S, Xiaoyu Q, Zhuzhu G, Xiaohan Y, Xin Z, Liyan X, Shujuan S. Proteomics approaches for identification of tumor relevant protein targets in pulmonary squamous cell carcinoma by 2D-DIGE-MS. PLoS One 2014; 9:e95121. [PMID: 24740010 PMCID: PMC3989308 DOI: 10.1371/journal.pone.0095121] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 03/24/2014] [Indexed: 12/28/2022] Open
Abstract
Potential markers for progression of pulmonary squamous cell carcinoma (SCC) were identified by examining samples of lung SCC and adjacent normal tissues using a combination of fluorescence two-dimensional difference gel electrophoresis (2D-DIGE), matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS), and electrospray ionization quadrupole-time of flight mass spectrometry (ESI-Q-TOF). The PANTHER System was used for gel image based quantification and statistical analysis. An analysis of proteomic data revealed that 323 protein spots showed significantly different levels of expression (P≤0.05) in lung SCC tissue compared to expression in normal lung tissue. A further analysis of these protein spots by MALDI-TOF-MS identified 81 different proteins. A systems biology approach was used to map these proteins to major pathways involved in numerous cellular processes, including localization, transport, cellular component organization, apoptosis, and reproduction. Additionally, the expression of several proteins in lung SCC and normal tissues was examined using immunohistochemistry and western blot. The functions of individual proteins are being further investigated and validated, and the results might provide new insights into the mechanism of lung SCC progression, potentially leading to the design of novel diagnostic and therapeutic strategies.
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Affiliation(s)
- Hao Lihong
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Gong Linlin
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Guo Yiping
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Song Yang
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Qi Xiaoyu
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Guan Zhuzhu
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Yang Xiaohan
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Zhou Xin
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
| | - Xue Liyan
- Department of Pathology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC), Beijing, P.R. China
| | - Shao Shujuan
- Key Laboratory of Proteomics, Dalian Medical University, Dalian, Liaoning Province, P.R. China
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Liu J, Li J, Deng X. Proteomic analysis of differential protein expression in platelets of septic patients. Mol Biol Rep 2014; 41:3179-85. [PMID: 24562620 DOI: 10.1007/s11033-014-3177-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 01/16/2014] [Indexed: 12/26/2022]
Abstract
Sepsis is one of the major health problems all over the world. Early diagnostic of sepsis is an attractive strategy to decrease the mortality of septic patients. However, an effective biomarker that fulfills all the necessary requirements for the accurate characterization of sepsis is still unavailable until now. In this study, the 2-DE technique followed by mass spectrometry and a database search was used for searching and identifying the differential expressed proteins in platelets between septic patients and paired healthy controls. Platelet 2-DE profiles of septic patients and paired healthy controls with high resolution and reproducibility were obtained. Differential platelet 2-DE profiles between septic patients and paired healthy controls were established. Differential protein spots between normal healthy volunteers and septic patients from platelet 2-DE profiles were identified by 2-DE followed with mass spectrometry and a database search. Five proteins with increased expression were identified between septic patients and healthy controls from platelet samples. These up-expressed proteins were EF-hand calcium-binding domain-containing protein 7, actin, interleukin-1β, glycoprotein IX, and glycoprotein IIB. Sepsis induces a complex regulation of platelet protein changes. Our study highlights the important role of these differential expressed proteins in sepsis, which deserve further research as potential candidates for therapeutic strategies. Furthermore, our research is beneficial for the future developments of sepsis diagnosis and therapy.
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Affiliation(s)
- Ji Liu
- Department of Anesthesiology, 306 Hospital of PLA, Beijing, 100101, China
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Jin Y, Xu J, Yin MX, Lu Y, Hu L, Li P, Zhang P, Yuan Z, Ho MS, Ji H, Zhao Y, Zhang L. Brahma is essential for Drosophila intestinal stem cell proliferation and regulated by Hippo signaling. eLife 2013; 2:e00999. [PMID: 24137538 PMCID: PMC3796317 DOI: 10.7554/elife.00999] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Accepted: 09/08/2013] [Indexed: 11/13/2022] Open
Abstract
Chromatin remodeling processes are among the most important regulatory mechanisms in controlling cell proliferation and regeneration. Drosophila intestinal stem cells (ISCs) exhibit self-renewal potentials, maintain tissue homeostasis, and serve as an excellent model for studying cell growth and regeneration. In this study, we show that Brahma (Brm) chromatin-remodeling complex is required for ISC proliferation and damage-induced midgut regeneration in a lineage-specific manner. ISCs and enteroblasts exhibit high levels of Brm proteins; and without Brm, ISC proliferation and differentiation are impaired. Importantly, the Brm complex participates in ISC proliferation induced by the Scalloped-Yorkie transcriptional complex and that the Hippo (Hpo) signaling pathway directly restricted ISC proliferation by regulating Brm protein levels by inducing caspase-dependent cleavage of Brm. The cleavage resistant form of Brm protein promoted ISC proliferation. Our findings highlighted the importance of Hpo signaling in regulating epigenetic components such as Brm to control downstream transcription and hence ISC proliferation. DOI:http://dx.doi.org/10.7554/eLife.00999.001.
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Affiliation(s)
- Yunyun Jin
- State Key Laboratory of Cell Biology , Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai , China
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Giribaldi G, Barbero G, Mandili G, Daniele L, Khadjavi A, Notarpietro A, Ulliers D, Prato M, Minero VG, Battaglia A, Allasia M, Bosio A, Sapino A, Gontero P, Frea B, Fontana D, Destefanis P. Proteomic identification of Reticulocalbin 1 as potential tumor marker in renal cell carcinoma. J Proteomics 2013; 91:385-92. [PMID: 23916412 DOI: 10.1016/j.jprot.2013.07.018] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Revised: 06/28/2013] [Accepted: 07/22/2013] [Indexed: 01/20/2023]
Abstract
UNLABELLED Renal cell carcinoma (RCC) biomarkers are necessary for diagnosis and prognosis. They serve to monitor therapy response and follow-up, as drug targets, and therapy predictors in personalized treatments. Proteomics is a suitable method for biomarker discovery. Here we investigate differential protein expression in RCC, and we evaluate Reticulocalbin 1 (RCN1) use as a new potential marker. Neoplastic and healthy tissue samples were collected from 24 RCC patients during radical nephrectomy. Seven specimens were firstly processed by proteomic analysis (2-DE and MALDI-TOF) and 18 differentially expressed proteins from neoplastic and healthy renal tissues were identified. Among them, RCN1 was over-expressed in all cancer specimens analyzed by proteomics. Consequently RCN1 use as a potential marker was further evaluated in all 24 donors. RCN1 expression was verified by Western blotting (WB) and immunohistochemistry (IHC). WB analysis confirmed RCN1 over-expression in 21 out of 24 tumor specimens, whereas IHC displayed focal or diffuse expression of RCN1 in all 24 RCC tissues. Thus RCN1 appears as a potential marker for clinical approaches. A larger histopathological trial will clarify the prognostic value of RCN1 in RCC. BIOLOGICAL SIGNIFICANCE The present work aimed at finding new biomarkers for RCC - a life-threatening disease characterized by high incidence in Western countries - by performing differential proteomic analysis of neoplastic and normal renal tissues obtained from a small cohort of RCC patients. Some of the identified proteins have been previously associated to renal cancer however data confirming the possible use of these proteins in clinical practice are not available to date. By IHC we demonstrated that RCN1 could be easily employed in clinical practice, confirming RCN1 over-expression in RCC tissues of all examined patients, and weak protein expression in healthy renal tissues only in correspondence to the renal tubule section. These data indicate a promising role of RCN1 as a possible marker in RCC and indicate the proximal convoluted renal tubule as a putative origin point for RCC. Since IHC staining displayed different grades of intensity in tested tissues, we hypothesized that RCN1 could also be employed as a prognostic marker or as a response predictor for RCC-targeted therapy. To test such a hypothesis, a larger retrospective trial on paraffin-embedded tissues obtained from radical or partial nephrectomy of RCC patients is planned to be performed by our group.
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Zhuang H, Gan Z, Jiang W, Zhang X, Hua ZC. Comparative proteomics analysis reveals roles for FADD in the regulation of energy metabolism and proteolysis pathway in mouse embryonic fibroblast. Proteomics 2013; 13:2398-413. [PMID: 23744592 DOI: 10.1002/pmic.201300017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 05/01/2013] [Accepted: 05/16/2013] [Indexed: 12/19/2022]
Abstract
Fas-associated death domain-containing protein (FADD) is a classical apoptotic pathway adaptor. Further studies revealed that it also plays essential roles in nonapoptotic processes, which is assumed to be regulated by its phosphorylation. However, the exact mechanisms are still poorly understood. To study the nonapoptotic effects of FADD, a comprehensive strategy of proteomics identification combined with bioinformatic analysis was undertaken to identify proteins differentially expressed in three cell lines containing FADD and its mutant, FADD-A and FADD-D. The cell lines were thought to bear wild-type FADD, unphosphorylated FADD mimic and constitutive phosphorylated FADD mimic, respectively. A total of 47 proteins were identified to be significantly changed due to FADD phosphorylation. Network analysis using MetaCore™ identified a number of changed proteins that were involved in cellular metabolic process, including lipid metabolism, fatty acid metabolism, glycolysis, and oxidative phosphorylation. The finding that FADD-D cell line showed an increase in fatty acid oxidation argues that it could contribute to the leaner phenotype of FADD-D mice as reported previously. In addition, six proteins related to the ubiquitin-proteasome pathway were also specifically overexpressed in FADD-D cell line. Finally, the c-Myc gene represents a convergent hub lying at the center of dysregulated pathways, and was upregulated in FADD-D cells. Taken together, these studies allowed us to conclude that impaired mitochondrial function and proteolysis might play pivotal roles in the dysfunction associated with FADD phosphorylation-induced disorders.
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Affiliation(s)
- Hongqin Zhuang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Science and School of Stomatology, Affiliated Stomatological Hospital, Nanjing University, Nanjing, PR China
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Yao C, Zhuang H, Du P, Cheng W, Yang B, Guan S, Hu Y, Zhu D, Christine M, Shi L, Hua ZC. Role of Fas-associated death domain-containing protein (FADD) phosphorylation in regulating glucose homeostasis: from proteomic discovery to physiological validation. Mol Cell Proteomics 2013; 12:2689-700. [PMID: 23828893 DOI: 10.1074/mcp.m113.029306] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Fas-associated death domain-containing protein (FADD), a classical apoptotic signaling adaptor, participates in different nonapoptotic processes regulated by its phosphorylation. However, the influence of FADD on metabolism, especially glucose homeostasis, has not been evaluated to date. Here, using both two-dimensional electrophoresis and liquid chromatography linked to tandem mass spectrometry (LC/MS/MS), we found that glycogen synthesis, glycolysis, and gluconeogenesis were dysregulated because of FADD phosphorylation, both in MEFs and liver tissue of the mice bearing phosphorylation-mimicking mutation form of FADD (FADD-D). Further physiological studies showed that FADD-D mice exhibited lower blood glucose, enhanced glucose tolerance, and increased liver glycogen content without alterations in insulin sensitivity. Moreover, investigations on the molecular mechanisms revealed that, under basal conditions, FADD-D mice had elevated phosphorylation of Akt with alterations in its downstream signaling, leading to increased glycogen synthesis and decreased gluconeogenesis. Thus, we uncover a novel role of FADD in the regulation of glucose homeostasis by proteomic discovery and physiological validation.
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Affiliation(s)
- Chun Yao
- The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210093, China
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Li H, Zhang XY, Wu TJ, Cheng W, Liu X, Jiang TT, Wen J, Li J, Ma QL, Hua ZC. Endoplasmic reticulum stress regulates rat mandibular cartilage thinning under compressive mechanical stress. J Biol Chem 2013; 288:18172-83. [PMID: 23603905 DOI: 10.1074/jbc.m112.407296] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Compressive mechanical stress-induced cartilage thinning has been characterized as a key step in the progression of temporomandibular joint diseases, such as osteoarthritis. However, the regulatory mechanisms underlying this loss have not been thoroughly studied. Here, we used an established animal model for loading compressive mechanical stress to induce cartilage thinning in vivo. The mechanically stressed mandibular chondrocytes were then isolated to screen potential candidates using a proteomics approach. A total of 28 proteins were identified that were directly or indirectly associated with endoplasmic reticulum stress, including protein disulfide-isomerase, calreticulin, translationally controlled tumor protein, and peptidyl-prolyl cis/trans-isomerase protein. The altered expression of these candidates was validated at both the mRNA and protein levels. The induction of endoplasmic reticulum stress by mechanical stress loading was confirmed by the activation of endoplasmic reticulum stress markers, the elevation of the cytoplasmic Ca(2+) level, and the expansion of endoplasmic reticulum membranes. More importantly, the use of a selective inhibitor to block endoplasmic reticulum stress in vivo reduced the apoptosis observed at the early stages of mechanical stress loading and inhibited the proliferation observed at the later stages of mechanical stress loading. Accordingly, the use of the inhibitor significantly restored cartilage thinning. Taken together, these results demonstrated that endoplasmic reticulum stress is significantly activated in mechanical stress-induced mandibular cartilage thinning and, more importantly, that endoplasmic reticulum stress inhibition alleviates this loss, suggesting a novel pharmaceutical strategy for the treatment of mechanical stress-induced temporomandibular joint diseases.
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Affiliation(s)
- Huang Li
- School of Stomatology and State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, 30 Zhongyang Road, Nanjing 210009, China.
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MS Analysis and Molecular Characterization of Botrytis cinerea Protease Prot-2. Use in Bioactive Peptides Production. Appl Biochem Biotechnol 2013; 170:231-47. [DOI: 10.1007/s12010-013-0186-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Accepted: 03/04/2013] [Indexed: 10/27/2022]
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Proteomic analysis of the effect of fuzheng huayu recipe on fibrotic liver in rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:972863. [PMID: 23431353 PMCID: PMC3569931 DOI: 10.1155/2013/972863] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 12/04/2012] [Indexed: 01/07/2023]
Abstract
Hepatic fibrosis is a common pathological process of chronic liver diseases and would lead to cirrhosis, and Fuzheng Huayu (FZHY) is an effective Chinese herbal product against liver fibrosis. This study observes FZHY influence on proteome of fibrotic liver with differential proteomic approach and aims to understand FZHY multiple action mechanisms on liver fibrosis.
The liver fibrosis models were induced with intraperitoneal injection of dimethylnitrosamine for 4 weeks in rats and divided into model control (model) and FZHY-treated (FZHY) groups, while normal rats were used as normal control (normal). After model establishment, rats in FZHY groups were administered 4 g/kg wt of FZHY for 4 weeks, and normal and model groups were given the same volume of saline. The liver proteins in the above 3 groups were separated by two-dimensional gel electrophoresis (2-DE), the differentially expressed spots were analyzed and compared between normal and model or model and FZHY groups, and then the proteins were identified with mass spectrum analysis and validated partially with western blot and real-time PCR. 1000~1200 spots were displayed on each 2D gel, and a total of 61 protein spots were found with significant intensity difference between normal control or FZHY and model control. 23 most obviously differential spots were excised, and in-gel digestion and 21 peptide mass fingerprints (PMF) were obtained with MALDI-TOF MS analysis, and 14 proteins were identified through protein database searching. Among 14 differentially expressed proteins, 8 proteins in normal and FZHY groups had the same tendency of differential expression compared with the ones in model group. And one of them, vimentin, was validated by western blot and real-time PCR analyses. Our study reveals 12 proteins responsible for fibrogenesis induced by DMN in rats, and among them, 8 proteins in fibrotic liver were regulated by FZHY, including aldehyde dehydrogenase, vimentin isoform (CRA_b), gamma-actin, vimentin, fructose-bisphosphate aldolase B, aldo-keto reductase, S-adenosylhomocysteine hydrolase isoform, and HSP90. It indicates that the action mechanism of FZHY antiliver fibrosis may be associated with modulation of proteins associated with metabolism and stress response, as well as myofibroblast activation. The study provides new insights and data for exploring the liver fibrogenesis pathophysiology and FZHY action mechanism against liver fibrosis.
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Zhuang H, Gan Z, Jiang W, Zhang X, Hua ZC. Functional specific roles of FADD: comparative proteomic analyses from knockout cell lines. MOLECULAR BIOSYSTEMS 2013; 9:2063-78. [DOI: 10.1039/c3mb70023b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Comparative proteomics identification combined with bioinformatic analyses and cell biology validation revealed novel non-apoptotic functions of FADD in energy metabolism and proteolysis.
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Affiliation(s)
- Hongqin Zhuang
- The State Key Laboratory of Pharmaceutical Biotechnology
- College of Life Science and School of Stomatology
- Affiliated Stomatological Hospital
- Nanjing University
- Nanjing 210093
| | - Ziyi Gan
- The State Key Laboratory of Pharmaceutical Biotechnology
- College of Life Science and School of Stomatology
- Affiliated Stomatological Hospital
- Nanjing University
- Nanjing 210093
| | - Weiwei Jiang
- The State Key Laboratory of Pharmaceutical Biotechnology
- College of Life Science and School of Stomatology
- Affiliated Stomatological Hospital
- Nanjing University
- Nanjing 210093
| | - Xiangyu Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology
- College of Life Science and School of Stomatology
- Affiliated Stomatological Hospital
- Nanjing University
- Nanjing 210093
| | - Zi-Chun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology
- College of Life Science and School of Stomatology
- Affiliated Stomatological Hospital
- Nanjing University
- Nanjing 210093
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Wang C, Guo F, Zhou H, Zhang Y, Xiao Z, Cui L. Proteomic profiling of tissue-engineered blood vessel walls constructed by adipose-derived stem cells. Tissue Eng Part A 2012; 19:415-25. [PMID: 22963350 DOI: 10.1089/ten.tea.2011.0532] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Adipose-derived stem cells (ASCs) can differentiate into smooth muscle cells and have been engineered into elastic small diameter blood vessel walls in vitro. However, the mechanisms involved in the development of three-dimensional (3D) vascular tissue remain poorly understood. The present study analyzed protein expression profiles of engineered blood vessel walls constructed by human ASCs using methods of two-dimensional gel electrophoresis (2DE) and mass spectrometry (MS). These results were compared to normal arterial walls. A total of 1701±15 and 1265±26 protein spots from normal and engineered blood vessel wall extractions were detected by 2DE, respectively. A total of 20 spots with at least 2.0-fold changes in expression were identified, and 38 differently expressed proteins were identified by 2D electrophoresis and ion trap MS. These proteins were classified into seven functional categories: cellular organization, energy, signaling pathway, enzyme, anchored protein, cell apoptosis/defense, and others. These results demonstrated that 2DE, followed by ion trap MS, could be successfully utilized to characterize the proteome of vascular tissue, including tissue-engineered vessels. The method could also be employed to achieve a better understanding of differentiated smooth muscle protein expression in vitro. These results provide a basis for comparative studies of protein expression in vascular smooth muscles of different origin and could provide a better understanding of the mechanisms of action needed for constructing blood vessels that exhibit properties consistent with normal blood vessels.
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Affiliation(s)
- Chen Wang
- Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
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Song MN, Moon PG, Lee JE, Na M, Kang W, Chae YS, Park JY, Park H, Baek MC. Proteomic analysis of breast cancer tissues to identify biomarker candidates by gel-assisted digestion and label-free quantification methods using LC-MS/MS. Arch Pharm Res 2012; 35:1839-47. [PMID: 23139137 DOI: 10.1007/s12272-012-1018-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 09/07/2012] [Accepted: 09/07/2012] [Indexed: 01/23/2023]
Abstract
This study presents a proteomic method that differentiates between matched normal and breast tumor tissues from ductal carcinoma in situ (DCIS) and invasive carcinoma from Korean women, to identify biomarker candidates and to understand pathogenesis of breast cancer in protein level. Proteins from tissues obtained by biopsy were extracted by RIPA buffer, digested by the gel-assisted method, and analyzed by nano-UPLC-MS/MS. From proteomic analysis based on label-free quantitation strategy, a non-redundant list of 298 proteins was identified from the normal and tumor tissues, and 244 proteins were quantified using IDEAL-Q software. Hierarchical clustering analysis showed two patterns classified as two groups, invasive carcinoma and DCIS, suggesting a difference between two carcinoma at the protein expression level as expected. Differentially expressed proteins in tumor tissues compared to the corresponding normal tissues were related to three biological pathways: antigen-processing and presentation, glycolysis/gluconeogenesis, and complement and coagulation cascades. Among them, the up-regulation of calreticulin (CRT) and protein disulfide isomerase A3 (PDIA3) was confirmed by Western blot analysis. In conclusion, this study showed the possibility of identifying biomarker candidates for breast cancer using tissues and might help to understand the pathophysiology of this cancer at the protein level.
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Affiliation(s)
- Mi-Na Song
- Department of Molecular Medicine, Cell and Matrix Biology Research Institute, School of Medicine, Kyungpook National University, Daegu, Korea
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40
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Lam KWK, Lo SCL. Discovery of diagnostic serum biomarkers of gastric cancer using proteomics. Proteomics Clin Appl 2012; 2:219-28. [PMID: 21136826 DOI: 10.1002/prca.200780015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gastric cancer has significant morbidity and mortality worldwide and locally. Good prognosis relies on an early diagnosis. However, this remains a challenge due to the lack of specific and sensitive serum biomarkers for early detection. Hence, there is a constant search for these biomarkers for screening purposes. Proteomic profiling enables a new approach to the discovery of biomarkers in disease. This review presents recent attempts in search of gastric cancer serum biomarker using proteomics. Different methodologies and different types of samples were employed by different groups of researchers. Major difficulties were encountered in the discovery processes, including interference from abundant proteins and continuous changing serum proteomes from different individuals.
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Affiliation(s)
- Katie Wing-Kei Lam
- The Proteomic Task Force, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
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Watanabe M, Takemasa I, Kawaguchi N, Miyake M, Nishimura N, Matsubara T, Matsuo EI, Sekimoto M, Nagai K, Matsuura N, Monden M, Nishimura O. An application of the 2-nitrobenzenesulfenyl method to proteomic profiling of human colorectal carcinoma: A novel approach for biomarker discovery. Proteomics Clin Appl 2012; 2:925-35. [PMID: 21136890 DOI: 10.1002/prca.200780111] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In the development of novel biomarkers, the proteomic approach is advantageous because using it the cancer-associated proteins can be directly identified. We previously developed a 2-nitrobenzenesulfenyl (NBS) method to improve quantitative proteome analysis. Here, we applied this method to proteomic profiling of colorectal carcinoma (CRC) to identify novel proteins with altered expression in CRC. Each pair of tumor and normal tissue specimens from 12 CRC patients was analyzed, and approximately 5000 NBS-labeled paired peaks were quantified. Peaks with altered signal intensities (>1.5-fold) and occurring frequently in the samples (>70%) were selected, and 128 proteins were identified by MS/MS analyses as differentially expressed proteins in CRC tissues. Many proteins were newly revealed to be CRC related; 30 were reported in earlier studies of CRC. Six proteins that were up-regulated in CRC (ZYX, RAN, RCN1, AHCY, LGALS1, and VIM) were further characterized and validated by Western blot and immunohistochemistry. All six were found to be CRC-localized, either in cancer cells or in stroma cells near the cancer cells. These results indicate that the proteins identified in this study are novel candidates for CRC markers, and that the NBS method is useful in proteome mining to discover novel biomarkers.
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Affiliation(s)
- Makoto Watanabe
- Division of Disease Proteomics, Institute for Protein Research, Osaka University, Osaka, Japan; Life Science Laboratory, Shimadzu Corporation, Kyoto, Japan
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42
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Altered proteomic pattern in platelets of rats with sepsis. Blood Cells Mol Dis 2012; 48:30-5. [DOI: 10.1016/j.bcmd.2011.09.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2011] [Revised: 09/26/2011] [Accepted: 09/26/2011] [Indexed: 11/20/2022]
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43
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Bax M, Chambon C, Marty-Gasset N, Remignon H, Fernandez X, Molette C. Proteomic profile evolution during steatosis development in ducks. Poult Sci 2012; 91:112-20. [DOI: 10.3382/ps.2011-01663] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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44
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Chiariello CS, LaComb JF, Bahou WF, Schmidt VA. Ablation of Iqgap2 protects from diet-induced hepatic steatosis due to impaired fatty acid uptake. ACTA ACUST UNITED AC 2011; 173:36-46. [PMID: 21968151 DOI: 10.1016/j.regpep.2011.09.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 08/07/2011] [Accepted: 09/16/2011] [Indexed: 01/28/2023]
Abstract
UNLABELLED Long-chain fatty acids (LCFA) serve as structural components for membrane biogenesis and as primary energy sources during mitochondrial β-oxidation reactions. Hepatic LCFA uptake is complex, with characteristics suggestive of a dual-kinetic model manifested by rapid (carrier-assisted/facilitated) and delayed (passive diffusional) phases. Our previous work using mice deficient of the Iqgap2 gene established a highly novel link between IQGAP2, a putative GTPase-activating protein, and hepatocarcinogenesis. Now we report that Iqgap2 deficiency also results in selective loss of the facilitated phase of hepatocyte LCFA uptake with preservation of the diffusional component. This molecular defect was seen in Iqgap2(-/-) hepatocytes of all ages studied (1-, 4-, 8-months). The loss of facilitated LCFA uptake protected against development of hepatic triglyceride accumulation in Iqgap2-deficient mice fed high-fat diet, consistent with a fundamental role in physiological fat partitioning. These phenotypic changes could not be explained by genetic loss of fatty acid processing proteins known to regulate lipid uptake or metabolic processing pathways. Iqgap2-deficient livers also displayed enhanced insulin sensitivity. CONCLUSION These observations identify a novel property of the putative GTPase-activating protein IQGAP2 in LCFA uptake in vitro and in vivo, and implicate IQGAP2 in an intracellular signaling pathway necessary for functional fatty acid uptake, lipid processing, and, possibly, glucose homeostasis.
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Shi X, Lu X, Zhan L, Liu L, Sun M, Gong X, Sui H, Niu X, Liu S, Zheng L, Chen J, Zhou Y. Rat hippocampal proteomic alterations following intrahippocampal injection of amyloid beta peptide (1-40). Neurosci Lett 2011; 500:87-91. [PMID: 21699958 DOI: 10.1016/j.neulet.2011.06.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2010] [Revised: 05/12/2011] [Accepted: 06/04/2011] [Indexed: 12/25/2022]
Abstract
Amyloid beta peptide 1-40 (Aβ(1-40)) is closely associated with the progressive neuronal loss and cognitive decline observed in Alzheimer's disease (AD). This study aimed to establish a proteomic strategy for the profiling of AD tissues for disease-specific changes in protein abundance. Intrahippocampal injection of Aβ(1-40) induced spatial memory and learning decline in rats. Proteomic analysis revealed the changes in protein expression in the rat hippocampus treated with Aβ(1-40). Four proteins of interest which was in abundance was significantly altered in Aβ(1-40)-treated rats were identified by peptide mass fingerprint (PMF). These proteins corresponded to synapsin Ib, protein disulfide-isomerase A3 precursor, tubulin β chain and ATP synthase β subunit. Our results provide new insights into the relationship between Aβ and the pathogenesis of AD, and suggest potential targets for the therapy of AD.
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Affiliation(s)
- Xiang Shi
- Department of Traditional Chinese Medicine, The Second Affiliated Hospital, Dalian Medical University, Dalian 116023, China
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46
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Chen J, Wei D, Zhuang H, Qiao Y, Tang B, Zhang X, Wei J, Fang S, Chen G, Du P, Huang X, Jiang W, Hu Q, Hua ZC. Proteomic screening of anaerobically regulated promoters from Salmonella and its antitumor applications. Mol Cell Proteomics 2011; 10:M111.009399. [PMID: 21474796 DOI: 10.1074/mcp.m111.009399] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Solid tumors often contain hypoxic and necrotic areas that can be targeted by attenuated Salmonella typhimurium VNP20009 (VNP). We sought to develop a hypoxia- inducible promoter system based on the tumor-specific delivered strain VNP to confine expression of therapeutic gene specifically or selectively within the tumor microenvironment. A hypoxia-inducible promoter - adhE promoter was screened from the hypoxia-regulated endogenous proteins of Salmonella through two-dimensional gel electrophoresis and matrix-assisted laser desorption ionization-time-of-flight/time-of-flight MS-based proteomics approaches. The efficiency and specificity of the selected adhE promoter were validated first in both bacteria and animal tumor models. The adhE promoter could specifically drive GFP gene expression under hypoxia, but not under normoxia. Furthermore, luciferase reporter expression controlled by the system was also confined to the tumors. Finally, we investigated the anticancer efficacy of VNP delivering human endostatin controlled by our adhE promoter system in both murine melanoma and Lewis lung carcinoma models. Our results demonstrated that by the dual effects of tumoricidal and anti-angiogenic activities, the recombinant Salmonella strain could generate enhanced antitumor effects compared with those of unarmed VNP treatment or untreated control. The recombinant VNP could retard tumor growth significantly and extend survival of tumor-bearing mice by inducing more apoptosis and more severe necrosis as well as inhibiting blood vessel density within tumors. Therefore, VNP carrying the endostatin gene under our tumor-targeted expression system holds promise for the treatment of solid tumors.
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Affiliation(s)
- Jianxiang Chen
- The State Key Laboratory of Pharmaceutical Biotechnology and School of Stomatology, Affiliated Stomatological Hospital, Nanjing University, Nanjing, P R China
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47
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Yoshida Y, Yamashita T, Nagano K, Imai S, Nabeshi H, Yoshikawa T, Yoshioka Y, Abe Y, Kamada H, Tsutsumi Y, Tsunoda SI. Limited expression of reticulocalbin-1 in lymphatic endothelial cells in lung tumor but not in normal lung. Biochem Biophys Res Commun 2011; 405:610-4. [DOI: 10.1016/j.bbrc.2011.01.077] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Accepted: 01/21/2011] [Indexed: 01/14/2023]
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Guo W, Xue J, Shi J, Li N, Shao Y, Yu X, Shen F, Wu M, Liu S, Cheng S. Proteomics analysis of distinct portal vein tumor thrombi in hepatocellular carcinoma patients. J Proteome Res 2010; 9:4170-5. [PMID: 20583822 DOI: 10.1021/pr100412w] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Portal vein tumor thrombosis (PVTT) in patients with hepatocellular carcinoma (HCC) is known as a major complication associated with poor survival. We clinically defined a type of distinct PVTT (dPVTT) in small HCC patients that is distant to liver parenchyma tumor (PT). The biological features of dPVTT are not clear. We utilized two-dimensional electrophoresis and tandem MS to compare and identify differentially expressed proteins between dPVTT and PT tissues. Of the 65 spots identified as differentially expressed (p < 0.05) between the two cancerous tissues, 19 (corresponding to 19 unique proteins) were identified. Further analysis of five proteins confirmed quantitative differences between the two tumor tissues. Upon comparison with PT tissues of HCC, c-kit was also significantly upregulated in dPVTTs in small HCC patients and the CSQT-2 cell line derived from dPVTT tissues, which validated the differences between the dPVTT and PT tissues. The protein expression profiles and proteins identified in this study demonstrate the presence of dPVTTs with more malignant phenotypes and will be useful in clarifying the mechanisms through which dPVTT develops. Specific treatments targeting dPVTT might be applied to HCC patients with dPVTT.
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Affiliation(s)
- Weixing Guo
- Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China, and Changhai Hospital, Second Military Medical University, Shanghai, China
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Liang Q, Sheng Y, Ji L, Min Y, Xia Y, Wang Z. Acetaminophen-induced cytotoxicity on human normal liver L-02 cells and the protection of antioxidants. Toxicol Mech Methods 2010; 20:273-8. [PMID: 20465405 DOI: 10.3109/15376516.2010.482963] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In vitro cell models, which can partially mimic in vivo responses, offer potentially sensitive tools for toxicological assessment. The objective of this study was to explore the possible mechanisms of acetaminophen (AP)-induced toxicity in human normal liver L-02 cells. The expression of the CYP2E1 enzyme, which is reported to transform AP to its toxic metabolites, was higher in L-02 than in Hep3B cells. Further cell viability and reduced glutathione (GSH) depletion after AP treatment were examined. After exposure to AP for 24 h, cell viability decreased in a concentration-dependent manner. Concentration-dependent GSH depletion was also observed after AP treatment for 48 h, indicating oxidative stress had occurred in L-02 cells. The effects of D, L-buthionine-(S, R)-sulfoximine (BSO), an inhibitor of GSH biosynthesis, and N-acetylcysteine (NAC), a precursor of GSH synthesis, on the cytotoxicity induced by AP were also investigated. BSO aggravated the cytotoxicity induced by AP while NAC ameliorated such cell death. Further results showed that 10 mM AP caused cell apoptosis after 48 h treatment based on the DNA fragmentation assay and western blot of caspase-3 activation, respectively. In addition, the protective effects of various well-known antioxidants against AP-induced hepatotoxicity were observed. Taken together, these results indicate that oxidative stress and cellular apoptosis are involved in AP-induced toxicity in human normal liver L-02 cells, and this cell line is a suitable in vitro cell model for AP hepatotoxicity study.
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Affiliation(s)
- Qingning Liang
- The MOE Key Laboratory for Standardization of Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
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50
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Yang G, Li Q, Ren S, Lu X, Fang L, Zhou W, Zhang F, Xu F, Zhang Z, Zeng R, Lottspeich F, Chen Z. Proteomic, functional and motif-based analysis of C-terminal Src kinase-interacting proteins. Proteomics 2009; 9:4944-61. [PMID: 19743411 DOI: 10.1002/pmic.200800762] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
C-terminal Src kinase (Csk) that functions as an essential negative regulator of Src family tyrosine kinases (SFKs) interacts with tyrosine-phosphorylated molecules through its Src homology 2 (SH2) domain, allowing it targeting to the sites of SFKs and concomitantly enhancing its kinase activity. Identification of additional Csk-interacting proteins is expected to reveal potential signaling targets and previously undescribed functions of Csk. In this study, using a direct proteomic approach, we identified 151 novel potential Csk-binding partners, which are associated with a wide range of biological functions. Bioinformatics analysis showed that the majority of identified proteins contain one or several Csk-SH2 domain-binding motifs, indicating a potentially direct interaction with Csk. The interactions of Csk with four proteins (partitioning defective 3 (Par3), DDR1, SYK and protein kinase C iota) were confirmed using biochemical approaches and phosphotyrosine 1127 of Par3 C-terminus was proved to directly bind to Csk-SH2 domain, which was consistent with predictions from in silico analysis. Finally, immunofluorescence experiments revealed co-localization of Csk with Par3 in tight junction (TJ) in a tyrosine phosphorylation-dependent manner and overexpression of Csk, but not its SH2-domain mutant lacking binding to phosphotyrosine, promoted the TJ assembly in Madin-Darby canine kidney cells, implying the involvement of Csk-SH2 domain in regulating cellular TJs. In conclusion, the newly identified potential interacting partners of Csk provided new insights into its functional diversity in regulation of numerous cellular events, in addition to controlling the SFK activity.
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Affiliation(s)
- Guang Yang
- State Key Laboratory of Molecular Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, PR China
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