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Secretome Proteomic Approaches for Biomarker Discovery: An Update on Colorectal Cancer. ACTA ACUST UNITED AC 2020; 56:medicina56090443. [PMID: 32878319 PMCID: PMC7559921 DOI: 10.3390/medicina56090443] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 08/27/2020] [Accepted: 08/30/2020] [Indexed: 02/07/2023]
Abstract
Searching for new cancer-related biomarkers is a key priority for the early detection of solid tumors, such as colorectal cancer (CRC), in clinically relevant biological fluids. The cell line and/or tumor tissue secretome represents a valuable resource for discovering novel protein markers secreted by cancer cells. The advantage of a secretome analysis is the reduction of the large dynamic range characterizing human plasma/serum, and the simultaneous enrichment of low abundance cancer-secreted proteins, thereby overcoming the technical limitations underlying the direct search in blood samples. In this review, we provided a comprehensive overview of recent studies on the CRC secretome for biomarker discovery, focusing both on methodological and technical aspects of secretome proteomic approaches and on biomarker-independent validation in CRC patient samples (blood and tissues). Secretome proteomics are mainly based on LC-MS/MS analyses for which secretome samples are either in-gel or in-solution trypsin-digested. Adequate numbers of biological and technical replicates are required to ensure high reproducibility and robustness of the secretome studies. Moreover, another major challenge is the accuracy of proteomic quantitative analysis performed by label-free or labeling methods. The analysis of differentially expressed proteins in the CRC secretome by using bioinformatic tools allowed the identification of potential biomarkers for early CRC detection. In this scenario, this review may help to follow-up the recent secretome studies in order to select promising circulating biomarkers to be validated in larger screenings, thereby contributing toward a complete translation in clinical practice.
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Lin Q, Tan HT, Chung MCM. Next Generation Proteomics for Clinical Biomarker Detection Using SWATH-MS. Methods Mol Biol 2019; 1977:3-15. [PMID: 30980318 DOI: 10.1007/978-1-4939-9232-4_1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The technology of "sequential windowed acquisition of all theoretical fragment ion spectra," known as SWATH-MS, is rapidly gaining popularity as a next generation proteomics technology for comprehensive proteome quantitation. In this chapter, we describe the use of SWATH-MS as a label-free quantitative technique in a proteomics study to identify novel serological biomarker for colorectal cancer. We compared the secreted glycoprotein profiles (glyco-secretomes) enriched from the colon adenocarcinoma cell line HCT-116 and its metastatic derivative, E1, and observed that laminin β-1 (LAMB1) was oversecreted in E1 cells. This novel oversecretion of LAMB1 was validated in colorectal cancer patient serum samples, and ROC analyses showed that LAMB1 performed better than carcinoembryonic antigen (CEA) as a clinical diagnostic biomarker for colorectal cancer. We focus here on the sample preparation methodology and data processing workflow for SWATH-MS studies.
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Affiliation(s)
- Qifeng Lin
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Hwee Tong Tan
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Maxey C M Chung
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
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Kotani N, Ida Y, Nakano T, Sato I, Kuwahara R, Yamaguchi A, Tomita M, Honke K, Murakoshi T. Tumor-dependent secretion of close homolog of L1 results in elevation of its circulating level in mouse model for human lung tumor. Biochem Biophys Res Commun 2018; 501:982-987. [DOI: 10.1016/j.bbrc.2018.05.096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 05/14/2018] [Indexed: 01/01/2023]
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Papaleo E, Gromova I, Gromov P. Gaining insights into cancer biology through exploration of the cancer secretome using proteomic and bioinformatic tools. Expert Rev Proteomics 2017; 14:1021-1035. [PMID: 28967788 DOI: 10.1080/14789450.2017.1387053] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Tumor-associated proteins released by cancer cells and by tumor stroma cells, referred as 'cancer secretome', represent a valuable resource for discovery of potential cancer biomarkers. The last decade was marked by a great increase in number of studies focused on various aspects of cancer secretome including, composition and identification of components externalized by malignant cells and by the components of tumor microenvironment. Areas covered: Here, we provide an overview of achievements in the proteomic analysis of the cancer secretome, elicited through the tumor-associated interstitial fluid recovered from malignant tissues ex vivo or the protein component of conditioned media obtained from cultured cancer cells in vitro. We summarize various bioinformatic tools and approaches and critically appraise their outcomes, focusing on problems and challenges that arise when applied for the analysis of cancer secretomic databases. Expert commentary: Recent achievements in the omics- analysis of structural and metabolic aspects of altered cancer secretome contribute greatly to the various hallmarks of cancer including the identification of clinically significant biomarkers and potential targets for therapeutic intervention.
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Affiliation(s)
- Elena Papaleo
- a Danish Cancer Society Research Center, Computational Biology Laboratory , Copenhagen , Denmark
| | - Irina Gromova
- b Danish Cancer Society Research Center, Genome Integrity Unit, Breast Cancer Biology Group , Copenhagen , Denmark
| | - Pavel Gromov
- b Danish Cancer Society Research Center, Genome Integrity Unit, Breast Cancer Biology Group , Copenhagen , Denmark
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Hollow fiber bioreactor technology for tissue engineering applications. Int J Artif Organs 2016; 39:1-15. [PMID: 26916757 DOI: 10.5301/ijao.5000466] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2016] [Indexed: 12/11/2022]
Abstract
Hollow fiber bioreactors are the focus of scientific research aiming to mimic physiological vascular networks and engineer organs and tissues in vitro. The reason for this lies in the interesting features of this bioreactor type, including excellent mass transport properties. Indeed, hollow fiber bioreactors allow limitations to be overcome in nutrient transport by diffusion, which is often an obstacle to engineer sizable constructs in vitro. This work reviews the existing literature relevant to hollow fiber bioreactors in organ and tissue engineering applications. To this purpose, we first classify the hollow fiber bioreactors into 2 categories: cylindrical and rectangular. For each category, we summarize their main applications both at the tissue and at the organ level, focusing on experimental models and computational studies as predictive tools for designing innovative, dynamic culture systems. Finally, we discuss future perspectives on hollow fiber bioreactors as in vitro models for tissue and organ engineering applications.
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Lin Q, Lim HSR, Lin HL, Tan HT, Lim TK, Cheong WK, Cheah PY, Tang CL, Chow PKH, Chung MCM. Analysis of colorectal cancer glyco-secretome identifies laminin β-1 (LAMB1) as a potential serological biomarker for colorectal cancer. Proteomics 2015; 15:3905-20. [PMID: 26359947 DOI: 10.1002/pmic.201500236] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 08/20/2015] [Accepted: 09/08/2015] [Indexed: 12/12/2022]
Abstract
The high mortality rate in colorectal cancer is mostly ascribed to metastasis, but the only clinical biomarker available for disease monitoring and prognosis is the carcinoembryonic antigen (CEA). However, the prognostic utility of CEA remains controversial. In an effort to identify novel biomarkers that could be potentially translated for clinical use, we collected the secretomes from the colon adenocarcinoma cell line HCT-116 and its metastatic derivative, E1, using the hollow fiber culture system, and utilized the multilectin affinity chromatography approach to enrich for the secreted glycoproteins (glyco-secretome). The HCT-116 and E1 glyco-secretomes were compared using the label-free quantitative SWATH-MS technology, and a total of 149 glycoproteins were differentially secreted in E1 cells. Among these glycoproteins, laminin β-1 (LAMB1), a glycoprotein not previously known to be secreted in colorectal cancer cells, was observed to be oversecreted in E1 cells. In addition, we showed that LAMB1 levels were significantly higher in colorectal cancer patient serum samples as compared to healthy controls when measured using ELISA. ROC analyses indicated that LAMB1 performed better than CEA at discriminating between colorectal cancer patients from controls. Moreover, the diagnostic performance was further improved when LAMB1 was used in combination with CEA.
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Affiliation(s)
- Qifeng Lin
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Hannah S R Lim
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore
| | - Hui Ling Lin
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore
| | - Hwee Tong Tan
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Teck Kwang Lim
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore
| | - Wai Kit Cheong
- Division of Colorectal Surgery, National University Hospital, Singapore.,Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Peh Yean Cheah
- Department of Colorectal Surgery, Singapore General Hospital, Singapore.,Saw Swee Hock School of Public Health, National University of Singapore, Singapore.,Duke-NUS Graduate Medical School, National University of Singapore, Singapore
| | - Choong Leong Tang
- Department of Colorectal Surgery, Singapore General Hospital, Singapore
| | - Pierce K H Chow
- Department of General Surgery, Singapore General Hospital, Singapore.,Department of Surgical Oncology, National Cancer Centre, Singapore.,Centre for Quantitative Medicine, Duke-NUS Graduate Medical School, National University of Singapore, Singapore
| | - Maxey C M Chung
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore
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Patel S, Ngounou Wetie AG, Darie CC, Clarkson BD. Cancer secretomes and their place in supplementing other hallmarks of cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014; 806:409-42. [PMID: 24952195 DOI: 10.1007/978-3-319-06068-2_20] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The secretome includes all macromolecules secreted by cells, in particular conditions at defined times, allowing cell-cell communication. Cancer cell secretomes that are altered compared to normal cells have shown significant potential for elucidating cancer biology. Proteins of secretomes are secreted by various secretory pathways and can be studied using different methods. Cancer secretomes seem to play an important role in known hallmarks of cancers such as excessive proliferation, reduced apoptosis, immune invasion, angioneogenesis, alteration in energy metabolism, and development of resistance against anti-cancer therapy [1, 2]. If a significant role of an altered secretome can be identified in cancer cells, using advanced mass spectrometry-based techniques, this may allow researchers to screen and characterize the secretome proteins involved in cancer progression and open up new opportunities to develop new therapies. We aim to elaborate upon recent advances in cancer cell secretome analysis using different proteomics techniques. In this review, we highlight the role of the altered secretome in contributing to already recognized and emerging hallmarks of cancer and we discuss new challenges in the field of secretome analysis.
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Affiliation(s)
- Sapan Patel
- Memorial Sloan Kettering Cancer Center, Molecular Pharmacology and Chemistry Program, 415 East 68th Street, New York, NY, 10065, USA
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