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Xie R, Li C, Yun J, Zhang S, Zhong A, Cen Y, Li Z, Chen J. Identifying the Pattern Characteristics of Anoikis-Related Genes in Keloid. Adv Wound Care (New Rochelle) 2024. [PMID: 38775414 DOI: 10.1089/wound.2024.0027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024] Open
Abstract
Objective: Anoikis is a kind of programmed cell death that is triggered when cells lose contact with each other or with the matrix. However, the potential value of anoikis-related genes (ARGs) in keloid (KD) has not been investigated. Approach: We downloaded three keloid fibroblast (KF) RNA sequencing (RNA-seq) datasets from the Gene Expression Omnibus (GEO) and obtained 338 ARGs from a search of the GeneCards database and PubMed articles. Weighted correlation network analysis was used to construct the coexpression network and obtain the KF-related ARGs. The LASSO-Cox method was used to screen the hub ARGs and construct the best prediction model. Then, GEO single-cell sequencing datasets were used to verify the expression of hub genes. We used whole RNA-seq for gene-level validation and the correlation between KD immune infiltration and anoikis. Results: Our study comprehensively analyzed the role of ARGs in KD for the first time. The least absolute shrinkage and selection operator (LASSO) regression analysis identified six hub ARGs (HIF1A, SEMA7A, SESN1, CASP3, LAMA3, and SIK2). A large number of miRNAs participate in the regulation of hub ARGs. In addition, correlation analysis revealed that ARGs were significantly correlated with the infiltration levels of multiple immune cells in patients with KD. Innovation: We explored the expression characteristics of ARGs in KD, which is extremely important for determining the molecular pathways and mechanisms underlying KD. Conclusions: This study provides a useful reference for revealing the characteristics of ARGs in the pathogenesis of KD. The identified hub genes may provide potential therapeutic targets for patients. This study provides new ideas for individualized therapy and immunotherapy.
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Affiliation(s)
- Ruxin Xie
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Chenyu Li
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Jiao Yun
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Shiwei Zhang
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Ai Zhong
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Ying Cen
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Zhengyong Li
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Junjie Chen
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
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Wang Y, Cheng S, Fleishman JS, Chen J, Tang H, Chen ZS, Chen W, Ding M. Targeting anoikis resistance as a strategy for cancer therapy. Drug Resist Updat 2024; 75:101099. [PMID: 38850692 DOI: 10.1016/j.drup.2024.101099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/10/2024]
Abstract
Anoikis, known as matrix detachment-induced apoptosis or detachment-induced cell death, is crucial for tissue development and homeostasis. Cancer cells develop means to evade anoikis, e.g. anoikis resistance, thereby allowing for cells to survive under anchorage-independent conditions. Uncovering the mechanisms of anoikis resistance will provide details about cancer metastasis, and potential strategies against cancer cell dissemination and metastasis. Here, we summarize the principal elements and core molecular mechanisms of anoikis and anoikis resistance. We discuss the latest progress of how anoikis and anoikis resistance are regulated in cancers. Furthermore, we summarize emerging data on selective compounds and nanomedicines, explaining how inhibiting anoikis resistance can serve as a meaningful treatment modality against cancers. Finally, we discuss the key limitations of this therapeutic paradigm and possible strategies to overcome them. In this review, we suggest that pharmacological modulation of anoikis and anoikis resistance by bioactive compounds could surmount anoikis resistance, highlighting a promising therapeutic regimen that could be used to overcome anoikis resistance in cancers.
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Affiliation(s)
- Yumin Wang
- Department of Respiratory and Critical Care Medicine, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing 100049, China
| | - Sihang Cheng
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Joshua S Fleishman
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Jichao Chen
- Department of Respiratory and Critical Care Medicine, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing 100049, China
| | - Hailin Tang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA.
| | - Wenkuan Chen
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-Sen University Cancer Center, Guangzhou, China.
| | - Mingchao Ding
- Department of Peripheral Vascular Intervention, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing 100049, China.
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Interactions between 14-3-3 Proteins and Actin Cytoskeleton and Its Regulation by microRNAs and Long Non-Coding RNAs in Cancer. ENDOCRINES 2022. [DOI: 10.3390/endocrines3040057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
14-3-3s are a family of structurally similar proteins that bind to phosphoserine or phosphothreonine residues, forming the central signaling hub that coordinates or integrates various cellular functions, thereby controlling many pathways important in cancer, cell motility, cell death, cytoskeletal remodeling, neuro-degenerative disorders and many more. Their targets are present in all cellular compartments, and when they bind to proteins they alter their subcellular localization, stability, and molecular interactions with other proteins. Changes in environmental conditions that result in altered homeostasis trigger the interaction between 14-3-3 and other proteins to retrieve or rescue homeostasis. In circumstances where these regulatory proteins are dysregulated, it leads to pathological conditions. Therefore, deeper understanding is needed on how 14-3-3 proteins bind, and how these proteins are regulated or modified. This will help to detect disease in early stages or design inhibitors to block certain pathways. Recently, more research has been devoted to identifying the role of MicroRNAs, and long non-coding RNAs, which play an important role in regulating gene expression. Although there are many reviews on the role of 14-3-3 proteins in cancer, they do not provide a holistic view of the changes in the cell, which is the focus of this review. The unique feature of the review is that it not only focuses on how the 14-3-3 subunits associate and dissociate with their binding and regulatory proteins, but also includes the role of micro-RNAs and long non-coding RNAs and how they regulate 14-3-3 isoforms. The highlight of the review is that it focuses on the role of 14-3-3, actin, actin binding proteins and Rho GTPases in cancer, and how this complex is important for cell migration and invasion. Finally, the reader is provided with super-resolution high-clarity images of each subunit of the 14-3-3 protein family, further depicting their distribution in HeLa cells to illustrate their interactions in a cancer cell.
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Shen H, Bai X, Liu J, Liu P, Zhang T. Screening potential biomarkers of cholangiocarcinoma based on gene chip meta-analysis and small-sample experimental research. Front Oncol 2022; 12:1001400. [PMID: 36300097 PMCID: PMC9590411 DOI: 10.3389/fonc.2022.1001400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022] Open
Abstract
Cholangiocarcinoma (CCA) is a rare malignant tumor associated with poor prognosis. This study aimed to identify CCA biomarkers by investigating differentially expressed genes (DEGs) between CCA patients and healthy subjects obtained from the Gene Expression Omnibus database. Bioinformatics tools, including the Illumina BaseSpace Correlation Engine (BSCE) and Gene Expression Profiling Interactive Analysis (GEPIA), were used. The initial DEGs from GSE26566, GSE31370, and GSE77984 were analyzed using GEO2R and Venn, and protein–protein interaction networks were constructed using STRING. The BSCE was applied to assess curated CCA studies to select additional DEGs and them DEGs across the 10 biosets, which was supported by findings in the literature. The final 18 DEGs with clinical significance for CCA were further verified using GEPIA. These included CEACAM6, EPCAM, LAMC2, MMP11, KRT7, KRT17, KRT19, SFN, and SOX9, which were upregulated, and ADH1A, ALDOB, AOX1, CTH, FGA, FGB, FGG, GSTA1, and OTC, which were downregulated in CCA patients. Among these 18 genes, 56 groups of genes (two in each group) were significantly related, and none were independently and differentially expressed. The hub genes FGA, OTC, CTH, and MMP11, which were most correlated with the 18 DEGs, were screened using STRING. The significantly low expression of FGA, OTC, and CTH and significantly high expression of MMP11 were verified by immunohistochemical analysis. Overall, four CCA biomarkers were identified that might regulate the occurrence and development of this disease and affect the patient survival rate, and they have the potential to become diagnostic and therapeutic targets for patients with CCA.
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Affiliation(s)
- Hengyan Shen
- Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Xinyu Bai
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Jie Liu
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Ping Liu
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
- *Correspondence: Tao Zhang, ; Ping Liu,
| | - Tao Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
- *Correspondence: Tao Zhang, ; Ping Liu,
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Song J, Liu Y, Liu F, Zhang L, Li G, Yuan C, Yu C, Lu X, Liu Q, Chen X, Liang H, Ding Z, Zhang B. The 14-3-3σ protein promotes HCC anoikis resistance by inhibiting EGFR degradation and thereby activating the EGFR-dependent ERK1/2 signaling pathway. Theranostics 2021; 11:996-1015. [PMID: 33391517 PMCID: PMC7738881 DOI: 10.7150/thno.51646] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/22/2020] [Indexed: 12/24/2022] Open
Abstract
Resistance to anoikis, cell death due to matrix detachment, is acquired during tumor progression. The 14-3-3σ protein is implicated in the development of chemo- and radiation resistance, indicating a poor prognosis in multiple human cancers. However, its function in anoikis resistance and metastasis in hepatocellular carcinoma (HCC) is currently unknown. Methods: Protein expression levels of 14-3-3σ were measured in paired HCC and normal tissue samples using western blot and immunohistochemical (IHC) staining. Statistical analysis was performed to evaluate the clinical correlation between 14-3-3σ expression, clinicopathological features, and overall survival. Artificial modulation of 14-3-3σ (downregulation and overexpression) was performed to explore the role of 14-3-3σ in HCC anoikis resistance and tumor metastasis in vitro and in vivo. Association of 14-3-3σ with epidermal growth factor receptor (EGFR) was assayed by co-immunoprecipitation. Effects of ectopic 14-3-3σ expression or knockdown on EGFR signaling, ligand-induced EGFR degradation and ubiquitination were examined using immunoblotting and co-immunoprecipitation, immunofluorescence staining, and flow cytometry analysis. The levels of EGFR ubiquitination, the interaction between EGFR and 14-3-3σ, and the association of EGFR with c-Cbl after EGF stimulation, in 14-3-3σ overexpressing or knockdown cells were examined to elucidate the mechanism by which 14-3-3σ inhibits EGFR degradation. Using gain-of-function or loss-of-function strategies, we further investigated the role of the EGFR signaling pathway and its downstream target machinery in 14-3-3σ-mediated anoikis resistance of HCC cells. Results: We demonstrated that 14-3-3σ was upregulated in HCC tissues, whereby its overexpression was correlated with aggressive clinicopathological features and a poor prognosis. In vitro and in vivo experiments indicated that 14-3-3σ promoted anoikis resistance and metastasis of HCC cells. Mechanistically, we show that 14-3-3σ can interact with EGFR and significantly inhibit EGF-induced degradation of EGFR, stabilizing the activated receptor, and therefore prolong the activation of EGFR signaling. We demonstrated that 14-3-3σ downregulated ligand-induced EGFR degradation by inhibiting EGFR-c-Cbl association and subsequent c-Cbl-mediated EGFR ubiquitination. We further verified that activation of the ERK1/2 pathway was responsible for 14-3-3σ-mediated anoikis resistance of HCC cells. Moreover, EGFR inactivation could reverse the 14-3-3σ-mediated effects on ERK1/2 phosphorylation and anoikis resistance. Expression of 14-3-3σ and EGFR were found to be positively correlated in human HCC tissues. Conclusions: Our results indicate that 14-3-3σ plays a pivotal role in the anoikis resistance and metastasis of HCC cells, presumably by inhibiting EGFR degradation and regulating the activation of the EGFR-dependent ERK1/2 pathway. To our best knowledge, this is the first report of the role of 14-3-3σ in the anoikis resistance of HCC cells, offering new research directions for the treatment of metastatic cancer by targeting 14-3-3σ.
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Suárez-Bonnet A, Priestnall SL, Ramírez GA, Molín J, Jaber JR. Aberrant Expression of Cell Cycle Regulator 14-3-3-σ and E-Cadherin in a Metastatic Cholangiocarcinoma in a Vervet Monkey (Chlorocebus pygerythrus). J Comp Pathol 2020; 179:25-30. [PMID: 32958143 DOI: 10.1016/j.jcpa.2020.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/04/2020] [Accepted: 07/01/2020] [Indexed: 01/20/2023]
Abstract
We present a unique case of metastatic cholangiocarcinoma with concurrent abdominal cestodiasis in an African green monkey (Chlorocebus pygerythrus) that presented with respiratory insufficiency and abdominal discomfort. There were multiple white-grey masses in the liver and colonic serosa alongside intra-abdominal parasitic cysts. Histopathologically, the liver masses were composed of poorly-differentiated epithelial cells that formed densely cellular solid areas and trabeculae. The neoplastic cells were strongly immunopositive for CK7 but negative for Hep-Par1 antigen, which confirmed a diagnosis of cholangiocarcinoma. Interestingly, there was strong and diffuse neoexpression in the tumour of the cell cycle regulator 14-3-3σ, which is not constitutively expressed in normal liver. There was aberrantly strong expression of E-cadherin, a key cell-cell adhesion protein, in neoplastic cells with evidence of cytoplasmic internalization. This is the first immunohistochemical analysis of 14-3-3σ and E-cadherin in a liver neoplasm in an animal species and the use of these markers requires further investigation in animal liver neoplasms.
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Affiliation(s)
- A Suárez-Bonnet
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, Hatfield, UK.
| | - S L Priestnall
- Department of Pathobiology and Population Sciences, The Royal Veterinary College, Hatfield, UK
| | - G A Ramírez
- Department of Animal Science, Universitat de Lleida, Lleida, Spain
| | - J Molín
- Department of Animal Science, Universitat de Lleida, Lleida, Spain
| | - J R Jaber
- Morphology Department, Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain
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Abstract
Multidrug resistance (MDR) is a vital issue in cancer treatment. Drug resistance can be developed through a variety of mechanisms, including increased drug efflux, activation of detoxifying systems and DNA repair mechanisms, and escape of drug-induced apoptosis. Identifying the exact mechanism related in a particular case is a difficult task. Proteomics is the large-scale study of proteins, particularly their expression, structures and functions. In recent years, comparative proteomic methods have been performed to analyze MDR mechanisms in drug-selected model cancer cell lines. In this paper, we review the recent developments and progresses by comparative proteomic approaches to identify potential MDR mechanisms in drug-selected model cancer cell lines, which may help understand and design chemical sensitizers.
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Netsirisawan P, Chokchaichamnankit D, Saharat K, Srisomsap C, Svasti J, Champattanachai V. Quantitative proteomic analysis of the association between decreasing O‑GlcNAcylation and metastasis in MCF‑7 breast cancer cells. Int J Oncol 2020; 56:1387-1404. [PMID: 32236627 PMCID: PMC7170043 DOI: 10.3892/ijo.2020.5022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 02/06/2020] [Indexed: 12/11/2022] Open
Abstract
Breast cancer is the most common type of cancer and leading cause of cancer-associated mortality in women worldwide. O-linked N-acetyl glucosaminylation (O-GlcNAcylation) is a dynamic post-translational modification of nuclear, cytoplasmic and mitochondrial proteins. Mounting evidence suggests that abnormal O-GlcNAcylation status is associated with cancer malignancy. In our previous study, it was reported that O-GlcNAc and O-GlcNAc transferase (OGT; an enzyme responsible for the addition of O-GlcNAc) were upregulated in breast cancer tissues and cells. Moreover, O-GlcNAcylation was required for resistance to anoikis and the anchorage-independent growth of breast cancer cells. However, the precise roles of this modification on the development of malignancy are yet to be elucidated. Therefore, in the present study, the effects of inhibiting O-GlcNAc on the malignant transformation of MCF-7 breast cancer cells under different culture conditions were determined, using monolayer (primary growth), anoikis resistance (spheroid growth) and reseeding (secondary growth) to mimic the metastatic process. Decreasing O-GlcNAc levels using small interfering (si)RNA targeting OGT resulted in a reduction in cell viability and invasiveness in anoikis resistant and reseeding conditions. Furthermore, gel-free quantitative proteomics was performed to identify the proteins affected by a reduction of O-GlcNAc. A total of 317 proteins were identified and compared, and the expression of 162 proteins was altered >1.5 fold in the siOGT treated cells compared with the siScamble (siSC) treated cells. Notably, 100 proteins involved in cellular metabolism, cellular localization, stress responses and gene expression were significantly altered in the reseeding condition. Among these differentially expressed proteins, the levels of small nuclear ribonucleoprotein Sm D1 exhibited the largest decrease in expression following knockdown of OGT, and this reduction in expression was associated with a significant decrease in the levels of mTOR expression, a protein which promotes tumor growth and progression. Taken together, the results of the present study demonstrate that decreasing O-GlcNAcylation altered protein expression, and ultimately influenced the metastatic processes, particulary regarding the invasion and reattached growth of MCF-7 breast cancer cells.
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Affiliation(s)
| | | | - Kittirat Saharat
- Laboratory of Biochemistry, Chulabhorn Research Institue, Bangkok 10210, Thailand
| | - Chantragan Srisomsap
- Laboratory of Biochemistry, Chulabhorn Research Institue, Bangkok 10210, Thailand
| | - Jisnuson Svasti
- Laboratory of Biochemistry, Chulabhorn Research Institue, Bangkok 10210, Thailand
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Sirivatanauksorn V, Dumronggittigule W, Dulnee B, Srisawat C, Sirivatanauksorn Y, Pongpaibul A, Masaratana P, Somboonyosdech C, Sripinitchai S, Kositamongkol P, Mahawithitwong P, Tovikkai C, Sangserestid P, Limsrichamrern S. Role of stratifin (14-3-3 sigma) in adenocarcinoma of gallbladder: A novel prognostic biomarker. Surg Oncol 2019; 32:57-62. [PMID: 31751820 DOI: 10.1016/j.suronc.2019.10.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 08/23/2019] [Accepted: 10/28/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND Gallbladder cancer (GBC) is a rare and fatal biliary tract malignancy. Genetic derangements are one of many factors that determine the prognosis of GBC. In this study, the expression of the stratifin (SFN) gene encoding 14-3-3 sigma protein, which is reported to be associated with the metastatic property of cholangiocarcinoma cells, was investigated in GBC. MATERIAL AND METHODS Formalin-fixed paraffin-embedded cancer (n = 37) and non-cancer control tissues (n = 14) of gallbladders from patients who underwent surgical resection from January 2006 to May 2015 were retrieved. The expression of SFN normalized with that of ACTB was determined using RT-qPCR. Multivariate analysis of factors affecting disease-free survival (DFS) and overall survival (OS) including the type of SFN expression was performed. RESULT The average expression level of SFN in cancer was higher than that in control tissues (p = 0.002). The relative SFN expression in cancer tissue was classified as overexpression (n = 14) and control level expression (n = 23) according to the receiver operating characteristic (ROC) curves for discriminating early GBC recurrence or metastasis after surgery. The SFN overexpression group was associated with lower rates of distant metastasis and early tumor recurrence following resection. The univariate analysis demonstrated factors affecting DFS, including resection margin (p < 0.001), lymphovascular invasion (p = 0.040), perineural invasion (p = 0.046), and SFN expression (p < 0.001). The multivariate analysis revealed that the resection margin (p = 0.019) and SFN expression (P = 0.040) were independent prognostic factors of DFS. CONCLUSION To achieve the longest survival, margin-free resection is recommended. The overexpression of SFN in GBC is associated with better prognosis, lower rates of early cancer recurrence, and distant metastasis following resection. SFN expression might be a novel prognostic biomarker in GBC treatment. Further studies to elucidate the role of SFN might unveil its clinical benefit in cancer treatment regimens.
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Affiliation(s)
- Vorapan Sirivatanauksorn
- Department of Biochemistry and NANOTEC, Mahidol University Center of Excellence in Nanotechnology for Cancer Diagnosis and Treatment, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Wethit Dumronggittigule
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
| | - Benjamaporn Dulnee
- Department of Biochemistry and NANOTEC, Mahidol University Center of Excellence in Nanotechnology for Cancer Diagnosis and Treatment, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chatchawan Srisawat
- Department of Biochemistry and NANOTEC, Mahidol University Center of Excellence in Nanotechnology for Cancer Diagnosis and Treatment, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Yongyut Sirivatanauksorn
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Ananya Pongpaibul
- Department of Pathology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Patarabutr Masaratana
- Department of Biochemistry and NANOTEC, Mahidol University Center of Excellence in Nanotechnology for Cancer Diagnosis and Treatment, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chayapol Somboonyosdech
- Department of Biochemistry and NANOTEC, Mahidol University Center of Excellence in Nanotechnology for Cancer Diagnosis and Treatment, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sirinapa Sripinitchai
- Department of Biochemistry and NANOTEC, Mahidol University Center of Excellence in Nanotechnology for Cancer Diagnosis and Treatment, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Prawat Kositamongkol
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Prawej Mahawithitwong
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chutwichai Tovikkai
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Pholasith Sangserestid
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Somchai Limsrichamrern
- Hepatopancreatobiliary and Transplant Surgery Unit, Division of General Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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10
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Kuljittichanok D, Diskul-Na-Ayudthaya P, Weeraphan C, Chokchaichamnankit D, Chiablaem K, Lirdprapamongkol K, Svasti J, Srisomsap C. Effect of Derris scandens extract on a human hepatocellular carcinoma cell line. Oncol Lett 2018; 16:1943-1952. [PMID: 30034552 DOI: 10.3892/ol.2018.8824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 11/02/2017] [Indexed: 12/28/2022] Open
Abstract
The incidence rate of hepatocellular carcinoma (HCC) remains high in numerous countries, including Thailand. There are numerous different lines of HCC treatment; however, various side effects and the resistance of cancer cells during treatment remain issues. At present, traditionally used herb plants have been widely used as alternatives to cancer therapy. Derris scandens is a Thai traditional herb which is commonly found in Thailand and widely used as a traditional medicine for numerous different diseases. The cytotoxicity of D. scandens ethanolic extract on a HCC cell line (HCC-S102) was determined using an MTT assay. Following treatment with D. scandens ethanolic extract, the induction of apoptosis was determined by Annexin V and dead cell assays, and then confirmed by the upregulation of cleaved poly(ADP-ribose) polymerase. Furthermore, a proteomic approach was used in order to study protein alteration upon treatment with D. scandens ethanolic extract coupled with liquid chromatography-tandem mass spectrometry analysis for protein identification. The results suggested that D. scandens ethanolic extract resulted in cytotoxicity against HCC-S102 cells, as the half-maximal inhibitory concentration values were 36.0±1.0, 29.6±0.6, and 22.6±1.5 µg/ml at 24, 48 and 72 h, respectively. Apoptotic cells were induced following treatment with D. scandens. The comparative proteomic profiles of D. scandens ethanolic extract-treated and untreated cells revealed various protein targets for anticancer activity including heterogeneous nuclear ribonucleoprotein (hnRNP) K, hnRNP A2/B1, stomatin-like 2 and GAPDH. In the present study, the anticancer activity of D. scandens ethanolic extract was demonstrated to affect the cell proliferation of HCC-S102 via an apoptotic pathway. The alteration in these proteins provides a better understanding of the mechanism of action of D. scandens, which may be a promising anticancer agent for the treatment of patients with HCC in the future.
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Affiliation(s)
| | | | - Churat Weeraphan
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | | | - Khajeelak Chiablaem
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | | | - Jisnuson Svasti
- Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand.,Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Chantragan Srisomsap
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
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11
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Verathamjamras C, Weeraphan C, Chokchaichamnankit D, Watcharatanyatip K, Subhasitanont P, Diskul-Na-Ayudthaya P, Mingkwan K, Luevisadpaibul V, Chutipongtanate S, Champattanachai V, Svasti J, Srisomsap C. Secretomic profiling of cells from hollow fiber bioreactor reveals PSMA3 as a potential cholangiocarcinoma biomarker. Int J Oncol 2017; 51:269-280. [PMID: 28560424 DOI: 10.3892/ijo.2017.4024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 05/05/2017] [Indexed: 11/06/2022] Open
Abstract
Cholangiocarcinoma (CCA), derived from the bile duct, occurs with a relatively high incidence in Northeast Thailand. Early diagnosis is still hampered by the lack of sufficient biomarkers. In recent years, biomarker discovery using secretomes has provided interesting results, including our studies on CCA secretomes, especially with three-dimensional cell cultures. Thus, cells cultured using the hollow fiber bioreactor (HFB) with 20 kDa molecular weight cut-off (MWCO) yielded higher quality and quantity of secretomes than those from conditioned media of the monolayer culture (MNC) system. In this study, we employed the HFB culture system with 5 kDa MWCO and compared conditioned media from the HFB and MNC systems using two-dimensional gel electrophoresis, followed by identifying proteins of interest by liquid chromatography and mass spectrometry (LC/MS/MS). Two out of 4 spots of NGAL or lipocalin-2 were found to show highest increase in expression of 19.93-fold and 18.79-fold in HFB compared to MNC. Interestingly, all 14 proteasome subunits including proteasome subunit α type-1 to type-7 and β type-1 to type-7 showed 2.92-fold to 12.13-fold increased expression in HFB. The protein-protein interactions of upregulated proteins were predicted, and one of the main interaction clusters involved 20S proteasome subunits. Proteasome activity in the HFB conditioned media was also found to be higher than that in MNC conditioned media. Three types of proteasome subunit were also validated by immunoblotting and showed higher expression in the HFB system compared to MNC system. Proteasome subunit α type-3 (PSMA3) showed the highest level in plasma of cholangiocarcinoma patients compared to normal and hepatocellular carcinoma patients by immunodetection, and is of interest as a potential biomarker for cholangiocarcinoma.
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Affiliation(s)
- Chris Verathamjamras
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Churat Weeraphan
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | | | | | | | | | - Kanokwan Mingkwan
- Department of Surgery, Sappasitthiprasong Hospital, Ubon Ratchathani 34000, Thailand
| | - Virat Luevisadpaibul
- Division of Information and Technology, Ubonrak Thonburi Hospital, Ubon Ratchathani 34000, Thailand
| | - Somchai Chutipongtanate
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | | | - Jisnuson Svasti
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Chantragan Srisomsap
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
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Rahnemai-Azar AA, Weisbrod A, Dillhoff M, Schmidt C, Pawlik TM. Intrahepatic cholangiocarcinoma: Molecular markers for diagnosis and prognosis. Surg Oncol 2017; 26:125-137. [PMID: 28577718 DOI: 10.1016/j.suronc.2016.12.009] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 12/24/2016] [Accepted: 12/29/2016] [Indexed: 02/08/2023]
Abstract
Intrahepatic cholangiocarcinoma (iCCA) is the second most common primary liver tumor with increasing incidence worldwide. The outcome of patients with iCCA is dismal owing to tumor's aggressiveness, late diagnosis and lack of effective treatment options. Detection of the tumor at early stages may make surgical resection, as only potential curative treatment, more feasible. Unfortunately, despite recent developments in imaging modalities and laboratory tests, the diagnosis of iCCA remains challenging and patients often present in advanced stages when surgery cannot be offered. Moreover, accurate assessment of disease burden is critical to optimize management strategy, including the use of adjuvant therapies and clinical trials. Identifying iCCA specific diagnostic and prognostic biomarkers has been a focus of interest among many investigators with a progressive increase in data on iCCA related to advances in "omics" technologies. We herein summarize iCCA biomarkers and define the molecular mechanisms underlying iCCA carcinogenesis, as well as highlight potential diagnostic and prognostic application of molecular biomarkers.
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Affiliation(s)
- Amir A Rahnemai-Azar
- Department of Surgery, University of Washington Medical Center, Seattle, WA, USA
| | - Allison Weisbrod
- Department of Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA
| | - Mary Dillhoff
- Department of Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA
| | - Carl Schmidt
- Department of Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA
| | - Timothy M Pawlik
- Department of Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA.
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Qiu Y, Zhou Z, Li Z, Lu L, Li L, Li X, Wang X, Zhang M. Pretreatment 14-3-3 epsilon level is predictive for advanced extranodal NK/T cell lymphoma therapeutic response to asparaginase-based chemotherapy. Proteomics Clin Appl 2016; 11. [PMID: 27774748 DOI: 10.1002/prca.201600111] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/12/2016] [Accepted: 10/20/2016] [Indexed: 12/22/2022]
Abstract
PURPOSE The aim of the present study was to identify the potential relevant biomarkers to predict the therapeutic response of advanced extranodal natural killer/T cell lymphoma(ENKTL) treated with asparaginase-based treatment. EXPERIMENTAL DESIGN Proteomic technology is used to identify differentially expressed proteins between chemotherapy-resistant and chemotherapy-sensitive patients. Then enzyme-linked immunosorbent assay is used to validate the predictive value of selective biomarkers. RESULTS A total of 61 upregulated and 22 downregulated proteins are identified in chemotherapy-resistant patients compared with chemotherapy-sensitive patients. Furthermore, they validated that pretreatment high level 14-3-3 epsilon(ε)(≥61.95 ng/mL, 84.0 and 95.2% for sensitivity and specificity, respectively) is associated with poor 2-year overall survival (OS) (5.3 vs 68.8%, p<0.0001) and PFS (4.5 vs 76.9%, p<0.0001). In multivariate survival analysis, pretreatment high level 14-3-3 epsilon significantly is correlated with both inferior OS (p = 0.033) and PFS (p = 0.005). CONCLUSION AND CLINICAL RELEVANCE These findings indicate that pretreatment high level 14-3-3 epsilon is an independent predictor of chemotherapy-resistance and poor prognosis for patients with advanced ENKTL in the era of asparaginase.
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Affiliation(s)
- Yajuan Qiu
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhiyuan Zhou
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhaoming Li
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lisha Lu
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Ling Li
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xin Li
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xinhua Wang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Mingzhi Zhang
- Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Anoikis-resistant cholangiocarcinoma cells display aggressive characteristics and increase STAT3 activation. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2016; 23:397-405. [DOI: 10.1002/jhbp.354] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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15
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Identification of Laying-Related SNP Markers in Geese Using RAD Sequencing. PLoS One 2015; 10:e0131572. [PMID: 26181055 PMCID: PMC4504669 DOI: 10.1371/journal.pone.0131572] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Accepted: 06/03/2015] [Indexed: 12/18/2022] Open
Abstract
Laying performance is an important economical trait of goose production. As laying performance is of low heritability, it is of significance to develop a marker-assisted selection (MAS) strategy for this trait. Definition of sequence variation related to the target trait is a prerequisite of quantitating MAS, but little is presently known about the goose genome, which greatly hinders the identification of genetic markers for the laying traits of geese. Recently developed restriction site-associated DNA (RAD) sequencing is a possible approach for discerning large-scale single nucleotide polymorphism (SNP) and reducing the complexity of a genome without having reference genomic information available. In the present study, we developed a pooled RAD sequencing strategy for detecting geese laying-related SNP. Two DNA pools were constructed, each consisting of equal amounts of genomic DNA from 10 individuals with either high estimated breeding value (HEBV) or low estimated breeding value (LEBV). A total of 139,013 SNP were obtained from 42,291,356 sequences, of which 18,771,943 were for LEBV and 23,519,413 were for HEBV cohorts. Fifty-five SNP which had different allelic frequencies in the two DNA pools were further validated by individual-based AS-PCR genotyping in the LEBV and HEBV cohorts. Ten out of 55 SNP exhibited distinct allele distributions in these two cohorts. These 10 SNP were further genotyped in a goose population of 492 geese to verify the association with egg numbers. The result showed that 8 of 10 SNP were associated with egg numbers. Additionally, liner regression analysis revealed that SNP Record-111407, 106975 and 112359 were involved in a multiplegene network affecting laying performance. We used IPCR to extend the unknown regions flanking the candidate RAD tags. The obtained sequences were subjected to BLAST to retrieve the orthologous genes in either ducks or chickens. Five novel genes were cloned for geese which harbored the candidate laying-related SNP, including membrane associated guanylate kinase (MAGI-1), KIAA1462, Rho GTPase activating protein 21 (ARHGAP21), acyl-CoA synthetase family member 2 (ACSF2), astrotactin 2 (ASTN2). Collectively, our data suggests that 8 SNP and 5 genes might be promising candidate markers or targets for marker-assisted selection of egg numbers in geese.
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A structured proteomic approach identifies 14-3-3Sigma as a novel and reliable protein biomarker in panel based differential diagnostics of liver tumors. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2015; 1854:641-50. [DOI: 10.1016/j.bbapap.2014.10.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 10/03/2014] [Accepted: 10/28/2014] [Indexed: 02/02/2023]
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17
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Suárez-Bonnet A, Herráez P, Aguirre M, Suárez-Bonnet E, Andrada M, Rodríguez F, Espinosa de Los Monteros A. Expression of cell cycle regulators, 14-3-3σ and p53 proteins, and vimentin in canine transitional cell carcinoma of the urinary bladder. Urol Oncol 2015; 33:332.e1-7. [PMID: 25979650 DOI: 10.1016/j.urolonc.2015.04.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 04/07/2015] [Accepted: 04/08/2015] [Indexed: 02/07/2023]
Abstract
OBJECTIVES The study of the expression of 14-3-3σ, p53, and vimentin proteins in canine transitional cell carcinoma (TCC) evaluating differences with normal bladder tissues, and the association with clinicopathological variables. METHODS We analyze by immunohistochemistry in 19 canine TCCs the expression of 14-3-3σ, p53, and vimentin using monoclonal antibodys. A semiquantitative scoring method was employed and statistical analysis was performed to display relationships between variables. RESULTS In contrast to normal urinary bladder epithelium, which showed high levels of 14-3-3σ, its expression was decreased in 53% of the studied tumors (P = 0.0344). The 14-3-3σ protein was expressed by neoplastic emboli and by highly infiltrative neoplastic cells. The p53 protein was expressed in 26% of TCCs, but no significant association between 14-3-3σ and p53 was detected. Neoplastic epithelial cells displayed vimentin immunoreactivity in 21% of TCCs, and a positive correlation with mitotic index was observed (P = 0.042). Coexpression of vimentin and 14-3-3σ by highly infiltrative neoplastic cells was also observed. CONCLUSIONS 14-3-3σ is deregulated in canine TCCs and its expression by highly infiltrative tumor cells may be related to the acquisition of aggressive behavior. Furthermore, this article reinforce the role of canine TCC as relevant model of human urothelial carcinoma and we suggest 14-3-3σ as a potential therapeutic target. Further studies are necessary to clarify the role of 14-3-3σ in canine TCC.
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Affiliation(s)
- Alejandro Suárez-Bonnet
- Unit of Histology and Animal Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain.
| | - Pedro Herráez
- Unit of Histology and Animal Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain
| | - Maria Aguirre
- Department of Surgery and Internal Medicine, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain
| | - Elena Suárez-Bonnet
- Unit of Histology and Animal Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain
| | - Marisa Andrada
- Unit of Histology and Animal Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain
| | - Francisco Rodríguez
- Unit of Histology and Animal Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain
| | - Antonio Espinosa de Los Monteros
- Unit of Histology and Animal Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Arucas, Spain
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Winitthana T, Lawanprasert S, Chanvorachote P. Triclosan potentiates epithelial-to-mesenchymal transition in anoikis-resistant human lung cancer cells. PLoS One 2014; 9:e110851. [PMID: 25329306 PMCID: PMC4199721 DOI: 10.1371/journal.pone.0110851] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 09/24/2014] [Indexed: 12/18/2022] Open
Abstract
Alteration of cancer cell toward mesenchymal phenotype has been shown to potentiate tumor aggressiveness by increasing cancer cell metastasis. Herein, we report the effect of triclosan, a widely used antibacterial agent found in many daily products, in enhancing the epithelial-to-mesenchymal transition (EMT) in aggressive anoikis resistant human H460 lung cancer cells. EMT has been long known to increase abilities of the cells to increase migration, invasion, and survival in circulating system. The present study reveals that treatment of the cancer cells with triclosan at the physiologically related concentrations significantly increased the colony number of the cancer cells assessed by tumor formation assay. Also, the mesenchymal-like morphology and decrease in cell-to-cell adhesion were observed in triclosan-treated cells. Importantly, western blot analysis revealed that triclosan-treated cells exhibited decreased E-cadherin, while the levels of EMT markers, namely N-cadherin, vimentin, snail and slug were found to be significantly up-regulated. Furthermore, EMT induced by triclosan treatment was accompanied by the activation of focal adhesion kinase/ATP dependent tyrosine kinase (FAK/Akt) and Ras-related C3 botulinum toxin substrate 1 (Rac1), which enhanced the ability of the cells to migrate and invade. In conclusion, we demonstrated for the first time that triclosan may potentiate cancer cells survival in detached condition and motility via the process of EMT. As mentioned capabilities are required for success in metastasis, the present study provides the novel toxicological information and encourages the awareness of triclosan use in cancer patients.
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Affiliation(s)
- Thidarat Winitthana
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Somsong Lawanprasert
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Pithi Chanvorachote
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- Cell-Based Drug and Health Product Development Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- * E-mail:
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Tit-Oon P, Chokchaichamnankit D, Khongmanee A, Sawangareetrakul P, Svasti J, Srisomsap C. Comparative secretome analysis of cholangiocarcinoma cell line in three-dimensional culture. Int J Oncol 2014; 45:2108-16. [PMID: 25189380 DOI: 10.3892/ijo.2014.2636] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 08/13/2014] [Indexed: 11/06/2022] Open
Abstract
Cholangiocarcinoma (CCA) is a lethal malignancy which occurs with relatively high incidence in Thailand. This cancer is often difficult to diagnose and associated with high mortality. The secretome, containing the secreted proteins from cells, are potentially useful as biomarkers of cancers. Since three-dimensional (3D) cell culture may mimic growth characteristics and microenvironment of solid tumors in vivo better than monolayer culture, we have developed culture of CCA in natural collagen-based scaffold, to enable analysis of the secretome by 2DE. Our results indicated that CCA growth in 3D environment alters cell shape significantly and enhances extracellular matrix deposition. Interestingly, more secreted proteins were detected from 3D culture compared to monolayer culture. Secretome analysis using 2DE coupled with LC-MS/MS demonstrated 10 secreted proteins uniquely found in 3D culture. Moreover, 25 proteins were enriched in 3D culture compared to monolayer culture, including 14-3-3 σ, triosephosphate isomerase, phosphoglycerate mutase 1, α-enolase, and L-plastin. Immunoblotting was used to confirm the presence of L-plastin in conditioned media of CCA and of hepatocellular carcinoma (HCC) cell lines. The results revealed that L-plastin, an actin bundling protein, was uniquely expressed only in the CCA cell line and could be a promising biomarker for differential diagnosis of CCA compared to HCC.
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Affiliation(s)
- Phanthakarn Tit-Oon
- Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | | | - Amnart Khongmanee
- Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | | | - Jisnuson Svasti
- Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Chantragan Srisomsap
- Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
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