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Tsang HF, Pei XM, Wong YKE, Wong SCC. Plasma Circulating mRNA Profile for the Non-Invasive Diagnosis of Colorectal Cancer Using NanoString Technologies. Int J Mol Sci 2024; 25:3012. [PMID: 38474258 DOI: 10.3390/ijms25053012] [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: 01/30/2024] [Revised: 02/26/2024] [Accepted: 03/02/2024] [Indexed: 03/14/2024] Open
Abstract
Colorectal cancer (CRC) is one of the most prevalent cancers and the second leading cause of cancer deaths in developed countries. Early CRC may have no symptoms and symptoms usually appear with more advanced diseases. Regular screening can identify people who are at increased risk of CRC in order to offer earlier treatment. A cost-effective non-invasive platform for the screening and monitoring of CRC patients allows early detection and appropriate treatment of the disease, and the timely application of adjuvant therapy after surgical operation is needed. In this study, a cohort of 71 plasma samples that include 48 colonoscopy- and histopathology-confirmed CRC patients with TNM stages I to IV were recruited between 2017 and 2019. Plasma mRNA profiling was performed in CRC patients using NanoString nCounter. Normalized data were analyzed using a Mann-Whitney U test to determine statistically significant differences between samples from CRC patients and healthy subjects. A multiple-group comparison of clinical phenotypes was performed using the Kruskal-Wallis H test for statistically significant differences between multiple groups. Among the 27 selected circulating mRNA markers, all of them were found to be overexpressed (gene expression fold change > 2) in the plasma of patients from two or more CRC stages. In conclusion, NanoString-based targeted plasma CRC-associated mRNAs circulating the marker panel that can significantly distinguish CRC patients from a healthy population were developed for the non-invasive diagnosis of CRC using peripheral blood samples.
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Affiliation(s)
- Hin Fung Tsang
- Department of Clinical Laboratory and Pathology, Hong Kong Adventist Hospital, Hong Kong SAR, China
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Xiao Meng Pei
- Department of Applied Biology & Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Yin Kwan Evelyn Wong
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Sze Chuen Cesar Wong
- Department of Applied Biology & Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China
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Hu W, Fang T, Chen X. Identification of Differentially Expressed Genes and miRNAs for Ulcerative Colitis Using Bioinformatics Analysis. Front Genet 2022; 13:914384. [PMID: 35719390 PMCID: PMC9201719 DOI: 10.3389/fgene.2022.914384] [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: 04/06/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction: Ulcerative colitis (UC) is a chronic inflammatory disease of the intestine whose cause and underlying mechanisms are not fully understood. The aim of this study was to use bioinformatics analysis to identify differentially expressed genes (DEGs) with diagnostic and therapeutic potential in UC.Materials and methods: Three UC datasets (GSE179285, GSE75214, GSE48958) were downloaded from the Gene Expression Omnibus (GEO) database. DEGs between normal and UC tissues were identified using the GEO2R online tool. The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses of the DEGs were performed using Metascape. Protein-protein interaction network (PPI) analysis and visualization using STRING and Cytoscape. Finally, the miRNA gene regulatory network was constructed by Cytoscape to predict potential microRNAs (miRNAs) associated with DEGs.Results: A total of 446 DEGs were identified, consisting of 309 upregulated genes and 137 downregulated genes. The enriched functions and pathways of the DEGs include extracellular matrix, regulation of cell adhesion, inflammatory response, response to cytokine, monocarboxylic acid metabolic process, response to toxic substance. The analysis of KEGG pathway indicates that the DEGs were significantly enriched in Complement and coagulation cascades, Amoebiasis, TNF signaling pathway, bile secretion, and Mineral absorption. Combining the results of the PPI network and CytoHubba, 9 hub genes including CXCL8, ICAM1, CXCR4, CD44, IL1B, MMP9, SPP1, TIMP1, and HIF1A were selected. Based on the DEG-miRNAs network construction, 7 miRNAs including miR-335-5p, mir-204-5p, miR-93-5p, miR106a-5p, miR-21-5p, miR-146a-5p, and miR-155-5p were identified as potential critical miRNAs.Conclusion: In summary, we identified DEGs that may be involved in the progression or occurrence of UC. A total of 446 DEGs,9 hub genes and 7 miRNAs were identified, which may be considered as biomarkers of UC. Further studies, however, are needed to elucidate the biological functions of these genes in UC.
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Affiliation(s)
- Weitao Hu
- Department of Rheumatology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Taiyong Fang
- Department of Gastroenterology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Xiaoqing Chen
- Department of Rheumatology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
- *Correspondence: Xiaoqing Chen,
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Circulating Biomarkers of Colorectal Cancer (CRC)-Their Utility in Diagnosis and Prognosis. J Clin Med 2021; 10:jcm10112391. [PMID: 34071492 PMCID: PMC8199026 DOI: 10.3390/jcm10112391] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 02/06/2023] Open
Abstract
The global burden of colorectal cancer (CRC) is expected to increase, with 2.2 million new cases and 1.1 million annual deaths by 2030. Therefore, the establishment of novel biomarkers useful in the early diagnosis of CRC is of utmost importance. A number of publications have documented the significance of the overexpression of several specific proteins, such as inflammatory mediators, in CRC progression. However, little is known about the potential utility of these proteins as circulating blood tumor biomarkers of CRC. Therefore, in the present review we report the results of our previous original studies as well as the findings of other authors who investigated whether inflammatory mediators might be used as novel biomarkers in the diagnosis and prognosis of CRC. Our study revealed that among all of the tested proteins, serum M-CSF, CXCL-8, IL-6 and TIMP-1 have the greatest value in the diagnosis and progression of CRC. Serum TIMP-1 is useful in differentiating between CRC and colorectal adenomas, whereas M-CSF and CRP are independent prognostic factors for the survival of patients with CRC. This review confirms the promising significance of these proteins as circulating biomarkers for CRC. However, due to their non-specific nature, further validation of their sensitivity and specificity is required.
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Morini SR, Denadai MV, Waisberg J, Lopes Filho GDJ, Matos D, Saad SS. Metalloproteinases and colorectal cancer. Correlation of gene expression and clinical-pathological parameters. Acta Cir Bras 2020; 35:e202000707. [PMID: 32813775 PMCID: PMC7433662 DOI: 10.1590/s0102-865020200070000007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 06/22/2020] [Indexed: 02/08/2023] Open
Abstract
PURPOSE To analyze gene and protein expression of metalloproteinases 1, 2, 9, 11 and 16 and their correlation with clinicopathological variables in colorectal adenocarcinoma. METHODS A retrospective study of 114 patients with colorectal adenocarcinoma treated surgically in the period 2006 to 2008 in Hospital de Câncer de Barretos - Fundação Pio XII. The evaluation of gene expression was performed by RT-PCR, and protein by immunohistochemistry. The analysis of gene expression was classified as overexpressed genes and poorly expressed (fold change of approximately 2, p<0.05). The positivity of the markers in the immunohistochemical study was performed by semi-quantitative analysis. The tissue of TMA (Tissue Microarray) was done by two independent pathologists. RESULTS The gene expression validated by immuno - histochemical was MMP-1(p= 0.00 and 1.57 fold change) and MMP - 2 (p= 0.01 and - 1.84 to fold change) when correlated with the histological types mucinous and adenocarcinoma NOS, MMP9 (p=0.01 and fold change of 1.13) and MMP-16 (p=0.03 and 1.61 fold change) when compared with the histological types villous and adenocarcinoma NOS, MMP - 11 statistically significant in relation to male (p = 0.04 and 1.65 fold change). CONCLUSIONS The MMPs 1, 2, 9, 11 and 16 gene and protein expression with statistical significance in at least one of the clinicopathological variables studied. Thus, we conclude that these MMPs have potential as a prognostic factor in colorectal adenocarcinoma.
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Godlewski J, Kmiec Z. Colorectal Cancer Invasion and Atrophy of the Enteric Nervous System: Potential Feedback and Impact on Cancer Progression. Int J Mol Sci 2020; 21:E3391. [PMID: 32403316 PMCID: PMC7247003 DOI: 10.3390/ijms21093391] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/04/2020] [Accepted: 05/08/2020] [Indexed: 12/15/2022] Open
Abstract
Colorectal cancer (CRC) invasion within the large intestine wall results in the replacement of normal tissue architecture by tumour mass. Cancer cells digest the extracellular matrix (ECM) by the release of proteolytic enzymes. The disintegration of matrix ground substance activates several deposited growth factors which stimulate cell proliferation. Stromal (mainly fibroblasts), immune and cancer cells dominate in this area and become involved in a network of multimodal interactions which significantly induce proliferation of colon cancer cells, inhibit their apoptosis and promote their spreading within the local tumour microenvironment. Cancer invasion destroys nerve fibres and neurons of the local enteric nervous system (ENS) and induces subsequent atrophy of the submucosal and myenteric plexuses in areas adjacent to the cancer boundary. Interestingly, the reduction of plexuses' size is accompanied by the increased number of galanin-immunoreactive neurons and increased galanin content in parts of the colon located close to the tumour. Galanin, a neuroprotective peptide, may inhibit the extrinsic pathway of apoptosis and in this way promote cancer cell survival. The possible role of acetylcholine and some ENS neuropeptides was also discussed. Invasion of cancer cells spreads along nerve fibres with the involvement of locally-released neutrophins which promote, via their specific receptors, cancer cell proliferation and pro-survival signalling pathways. Thus, during CRC development cancer cells and neurons of the ENS release many neurotransmitters/neuropeptides which affect key cellular signalling pathways promoting cancer cell proliferation and pro-survival phenotype. The multiple interactions between ENS neurons, cancer cells and other cell types present in the colon wall increase cancer cell invasiveness and have a negative impact on the course of CRC.
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Affiliation(s)
- Janusz Godlewski
- Department of Human Histology and Embryology, Collegium Medicum, School of Medicine, University of Warmia and Mazury, 10-082 Olsztyn, Poland
| | - Zbigniew Kmiec
- Department of Histology, Medical University of Gdansk, 80-210 Gdansk, Poland;
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Liang S, Chang L. Serum matrix metalloproteinase-9 level as a biomarker for colorectal cancer: a diagnostic meta-analysis. Biomark Med 2018; 12:393-402. [PMID: 29575908 DOI: 10.2217/bmm-2017-0206] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
AIM To comprehensively evaluate the diagnostic value of serum matrix metalloproteinase-9 (MMP-9) level for colorectal cancer (CRC). METHODS Both of the relationships between MMP-9 level and CRC and the diagnostic value were evaluated from 12 eligible papers. RESULTS The high MMP-9 level increased CRC risk. The estimated sensitivity and specificity were 69 and 68%, respectively, which signified that the diagnostic value was medium. Diagnostic odds ratio and the area under the receiver operating characteristic curve suggested MMP-9 level has a moderate diagnostic value in CRC. Additionally, the likelihood matrix indicated MMP-9 levels could be considered as a biomarker for the diagnosis of CRC. CONCLUSION Patients with CRC have elevated MMP-9 levels, which is a potential biomarker for CRC diagnosis.
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Affiliation(s)
- Shucai Liang
- Luohe Medical College, Luohe 462002, Henan Province, PR China
| | - Lulin Chang
- Luohe Medical College, Luohe 462002, Henan Province, PR China
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7
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Banday MZ, Sameer AS, Mir AH, Mokhdomi TA, Chowdri NA, Haq E. Matrix metalloproteinase (MMP) -2, -7 and -9 promoter polymorphisms in colorectal cancer in ethnic Kashmiri population - A case-control study and a mini review. Gene 2016; 589:81-89. [PMID: 27222481 DOI: 10.1016/j.gene.2016.05.028] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Revised: 04/12/2016] [Accepted: 05/17/2016] [Indexed: 12/11/2022]
Abstract
Matrix metalloproteinases (MMPs) are proteolytic enzymes that play a pivotal role in the transformation and progression of tumors at all stages, especially during the invasion and metastasis. The aim of this study was to determine the genetic association of MMP2, MMP7 and MMP9 promoter polymorphisms with colorectal cancer (CRC) susceptibility and development risk in ethnic Kashmiri population. The genotype frequencies of MMP2-1306C/T, MMP7-181A/G and MMP9-1562C/T SNPs were compared between 142 CRC patients and 184 healthy controls by using PCR-RFLP method. The association between all the three MMP promoter polymorphisms and the modulation of risk of CRC was found to be significant (p≤0.05). The heterozygous genotype (CT) of MMP2-1306C/T SNP and variant genotype (GG) of MMP7-181A/G SNP showed a significant association with decreased risk for the development of CRC [OR, 0.61 (95%CI, 0.37-1.01); p=0.05 and OR, 0.43 (95%CI, 0.20-0.90); p=0.02, respectively] whereas the heterozygous genotype (CT) of MMP9-1562C/T SNP showed a significant association with increased risk for the development of colorectal cancer [OR, 1.88 (95%CI, 1.11-3.18); p=0.02]. Further, the less common MMP9-1562T allele was found to be significantly associated with an increased risk of colorectal cancer [OR, 1.74 (95%CI, 1.15-2.62); p=0.007]. Our results suggest that these MMP2, MMP7 and MMP9 promoter polymorphisms play a role as one of the key modulators of the risk of developing colorectal cancer in Kashmiri population.
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Affiliation(s)
- Mujeeb Zafar Banday
- Department of Biotechnology, University of Kashmir, Hazratbal, Srinagar, Kashmir, India
| | - Aga Syed Sameer
- Department of Basic Medical Sciences, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Ashaq Hussain Mir
- Department of Biotechnology, University of Kashmir, Hazratbal, Srinagar, Kashmir, India
| | - Taseem A Mokhdomi
- Department of Biotechnology, University of Kashmir, Hazratbal, Srinagar, Kashmir, India
| | - Nissar A Chowdri
- Department of Surgery, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, Kashmir, India
| | - Ehtishamul Haq
- Department of Biotechnology, University of Kashmir, Hazratbal, Srinagar, Kashmir, India.
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Annaházi A, Ábrahám S, Farkas K, Rosztóczy A, Inczefi O, Földesi I, Szűcs M, Rutka M, Theodorou V, Eutamene H, Bueno L, Lázár G, Wittmann T, Molnár T, Róka R. A pilot study on faecal MMP-9: a new noninvasive diagnostic marker of colorectal cancer. Br J Cancer 2016; 114:787-92. [PMID: 26908323 PMCID: PMC4984857 DOI: 10.1038/bjc.2016.31] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 01/06/2016] [Accepted: 01/20/2016] [Indexed: 02/07/2023] Open
Abstract
Background: Colorectal cancer (CRC) is one of the leading malignancies worldwide, therefore cheap noninvasive screening methods are of great importance. Matrix-metalloproteinase-9 (MMP-9) has a role in the progression of CRC, and its level is elevated in tumour biopsies. Faecal MMP-9 levels are increased in active ulcerative colitis patients, but in CRC patients, they have never been measured. We aimed to assess the faecal MMP-9 levels in patients undergoing total colonoscopy according to endoscopic and histological diagnosis. Methods: One hundred and nine patients provided faecal samples for MMP-9 analysis. A total colonoscopy was performed; suspicious lesions were evaluated by histology. Faecal MMP-9 levels were measured by ELISA. Results: The number of patients allocated to different groups were: negative/diverticulosis: 34 (referred to as controls); hyperplastic polyps: 15; adenomas: 32 (22 at high risk); and CRC: 28. Faecal MMP-9 was significantly increased in CRC compared with all other groups (P<0.001). Faecal MMP-9 was suitable to distinguish CRC patients from controls (sensitivity: 89.3% specificity: 91.2%). By means of a lower cutoff level, faecal MMP-9 identified high-risk adenomas besides CRC (sensitivity: 76% specificity: 85.3%). This lower cutoff level screened 59% of high-risk adenomas. Conclusions: Faecal MMP-9 may be a promising new noninvasive marker in CRC.
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Affiliation(s)
- Anita Annaházi
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Szabolcs Ábrahám
- Department of Surgery, University of Szeged, Pf. 427, Szeged 6701, Hungary
| | - Klaudia Farkas
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - András Rosztóczy
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Orsolya Inczefi
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Imre Földesi
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Mónika Szűcs
- Department of Medical Physics and Informatics, University of Szeged, Korányi Fasor 9, Szeged 6720, Hungary
| | - Mariann Rutka
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Vassilia Theodorou
- Toxalim UMR 1331 INRA/INP/UPS, Neuro-Gastroenterology and Nutrition Unit, 180, Chemin de Tournefeuille, BP.93173, Toulouse Cedex 3, 31027, France
| | - Helene Eutamene
- Toxalim UMR 1331 INRA/INP/UPS, Neuro-Gastroenterology and Nutrition Unit, 180, Chemin de Tournefeuille, BP.93173, Toulouse Cedex 3, 31027, France
| | - Lionel Bueno
- Toxalim UMR 1331 INRA/INP/UPS, Neuro-Gastroenterology and Nutrition Unit, 180, Chemin de Tournefeuille, BP.93173, Toulouse Cedex 3, 31027, France
| | - György Lázár
- Department of Surgery, University of Szeged, Pf. 427, Szeged 6701, Hungary
| | - Tibor Wittmann
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Tamás Molnár
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
| | - Richárd Róka
- First Department of Medicine, University of Szeged, Korányi Fasor 8-10, Szeged 6720, Hungary
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Serum matrix metalloproteinase-9 in colorectal cancer family-risk population screening. Sci Rep 2015; 5:13030. [PMID: 26264519 PMCID: PMC4532998 DOI: 10.1038/srep13030] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 07/15/2015] [Indexed: 12/15/2022] Open
Abstract
Matrix metalloproteinase-9 (MMP-9) is related to tumour development and progression in colorectal cancer (CRC) and its utility as biomarker has been suggested. The aim of our study was to measure serum MMP-9 in asymptomatic first-degree relatives of CRC patients, and to analyse its diagnostic accuracy for the detection of advanced neoplasia (AN: advanced adenomas and CRC). Additionally, we compared its diagnostic capability with the most used non-invasive faecal immunochemical test (FIT). Serum MMP-9 was quantified by ELISA in 516 asymptomatic individuals that underwent a colonoscopy and a FIT. MMP-9 levels were significantly related to age and gender and therefore the concentration was corrected by these confounders. Corrected MMP-9 (cMMP-9) levels were higher in individuals with advanced adenomas (AA; p-value = 0.029) and AN (p-value = 0.056) compared to individuals with no neoplasia. Moreover, elevated cMMP-9 concentration was associated with more severe characteristics of adenomas (number of lesions, size and histology). Nevertheless, the diagnostic accuracy of cMMP-9 was considerably lower than that of FIT for identifying AA (22.64% vs. 47.17% sensitivity, 90% specificity) or AN (19.30% vs. 52.63% sensitivity, 90% specificity). According to our results, serum MMP-9 cannot be considered of utility for the diagnosis of AN in CRC family-risk population screening.
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10
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Lengyel JNG, Park EY, Brunson AR, Pinali D, Lane MA. Phosphatidylinositol 3-kinase mediates the ability of retinol to decrease colorectal cancer cell invasion. Nutr Cancer 2014; 66:1352-61. [PMID: 25356626 DOI: 10.1080/01635581.2014.956258] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Previously, we showed that retinol (vitamin A) decreased both colorectal cancer cell invasion and phosphatidylinositol 3-kinase (PI3K) activity through a retinoic acid receptor-independent mechanism. Here, we determined if these phenomena were related by using parental HCT-116 cells that harbor 1 allele of wild-type PI3K and 1 allele of constitutively active (ca) PI3K and 2 mutant HCT-116 cell lines homozygous for caPI3K. In vitro, treatment of parental HCT-116 cells with 10 μM retinol reduced cell invasion whereas treatment of mutant HCT-116 cell lines with retinol did not. Treatment with 10 μM retinol also decreased the activity of matrixmetalloproteinase-9 and increased tissue inhibitor of matrixmetalloproteinase-I levels in parental, but not mutant, HCT-116 cells. Finally, parental or mutant cells were intrasplenically injected into athymic mice consuming diets with or without supplemental vitamin A. As expected, vitamin A supplementation tended (P = 0.18) to reduce the incidence of metastases in mice injected with the parental cell line and consuming the supplemented diet. In contrast, metastatic incidence was not affected (P = 1.00) by vitamin A supplementation in mice injected with mutant cells. These data indicate that the capacity of retinol to inhibit PI3K activity confers its ability to decrease colorectal cancer metastasis.
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Affiliation(s)
- Jennifer N Griffin Lengyel
- a School of Family and Consumer Sciences, Nutrition and Foods Program , Texas State University-San Marcos , San Marcos , Texas , USA
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Herszényi L, Barabás L, Hritz I, István G, Tulassay Z. Impact of proteolytic enzymes in colorectal cancer development and progression. World J Gastroenterol 2014; 20:13246-13257. [PMID: 25309062 PMCID: PMC4188883 DOI: 10.3748/wjg.v20.i37.13246] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2013] [Revised: 01/26/2014] [Accepted: 05/26/2014] [Indexed: 02/06/2023] Open
Abstract
Tumor invasion and metastasis is a highly complicated, multi-step phenomenon. In the complex event of tumor progression, tumor cells interact with basement membrane and extracellular matrix components. Proteolytic enzymes (proteinases) are involved in the degradation of extracellular matrix, but also in cancer invasion and metastasis. The four categories of proteinases (cysteine-, serine-, aspartic-, and metalloproteinases) are named and classified according to the essential catalytic component in their active site. We and others have shown that proteolytic enzymes play a major role not only in colorectal cancer (CRC) invasion and metastasis, but also in malignant transformation of precancerous lesions into cancer. Tissue and serum-plasma antigen concentrations of proteinases might be of great value in identifying patients with poor prognosis in CRC. Our results, in concordance with others indicate the potential tumor marker impact of proteinases for the early diagnosis of CRC. In addition, proteinases may also serve as potential target molecules for therapeutic agents.
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12
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Expression profiling using a cDNA array and immunohistochemistry for the extracellular matrix genes FN-1, ITGA-3, ITGB-5, MMP-2, and MMP-9 in colorectal carcinoma progression and dissemination. ScientificWorldJournal 2014; 2014:102541. [PMID: 24737953 PMCID: PMC3967625 DOI: 10.1155/2014/102541] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 01/13/2014] [Indexed: 02/04/2023] Open
Abstract
Colorectal cancer dissemination depends on extracellular matrix genes related to remodeling and degradation of the matrix structure. This investigation intended to evaluate the association between FN-1, ITGA-3, ITGB-5, MMP-2, and MMP-9 gene and protein expression levels in tumor tissue with clinical and histopathological neoplastic parameters of cancer dissemination. The expression associations between ECM molecules and selected epithelial markers EGFR, VEGF, Bcl2, P53, and KI-67 have also been examined in 114 patients with colorectal cancer who underwent primary tumor resection. Quantitative real-time PCR and immunohistochemistry tissue microarray methods were performed in samples from the primary tumors. The gene expression results showed that the ITGA-3 and ITGB-5 genes were overexpressed in tumors with lymph node and distant metastasis (III/IV-stage tumors compared with I/II tumors). The MMP-2 gene showed significant overexpression in mucinous type tumors, and MMP-9 was overexpressed in villous adenocarcinoma histologic type tumors. The ECM genes MMP9 and ITGA-3 have shown a significant expression correlation with EGFR epithelial marker. The overexpression of the matrix extracellular genes ITGA-3 and ITGB-5 is associated with advanced stage tumors, and the genes MMP-2 and MMP-9 are overexpressed in mucinous and villous adenocarcinoma type tumors, respectively. The epithelial marker EGFR overactivity has been shown to be associated with the ECM genes MMP-9 and ITGA-3 expression.
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13
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Nichita C, Ciarloni L, Monnier-Benoit S, Hosseinian S, Dorta G, Rüegg C. A novel gene expression signature in peripheral blood mononuclear cells for early detection of colorectal cancer. Aliment Pharmacol Ther 2014; 39:507-17. [PMID: 24428642 DOI: 10.1111/apt.12618] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 12/06/2013] [Accepted: 12/22/2013] [Indexed: 02/06/2023]
Abstract
BACKGROUND Early detection and treatment of colorectal adenomatous polyps (AP) and colorectal cancer (CRC) is associated with decreased mortality for CRC. However, accurate, non-invasive and compliant tests to screen for AP and early stages of CRC are not yet available. A blood-based screening test is highly attractive due to limited invasiveness and high acceptance rate among patients. AIM To demonstrate whether gene expression signatures in the peripheral blood mononuclear cells (PBMC) were able to detect the presence of AP and early stages CRC. METHODS A total of 85 PBMC samples derived from colonoscopy-verified subjects without lesion (controls) (n = 41), with AP (n = 21) or with CRC (n = 23) were used as training sets. A 42-gene panel for CRC and AP discrimination, including genes identified by Digital Gene Expression-tag profiling of PBMC, and genes previously characterised and reported in the literature, was validated on the training set by qPCR. Logistic regression analysis followed by bootstrap validation determined CRC- and AP-specific classifiers, which discriminate patients with CRC and AP from controls. RESULTS The CRC and AP classifiers were able to detect CRC with a sensitivity of 78% and AP with a sensitivity of 46% respectively. Both classifiers had a specificity of 92% with very low false-positive detection when applied on subjects with inflammatory bowel disease (n = 23) or tumours other than CRC (n = 14). CONCLUSION This pilot study demonstrates the potential of developing a minimally invasive, accurate test to screen patients at average risk for colorectal cancer, based on gene expression analysis of peripheral blood mononuclear cells obtained from a simple blood sample.
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Affiliation(s)
- C Nichita
- Gastroenterology and Hepatology Department, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
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Poswar FO, Fraga CAC, Farias LC, Feltenberger JD, Cruz VPD, Santos SHS, Silveira CM, de Paula AMB, Guimarães ALS. Immunohistochemical analysis of TIMP-3 and MMP-9 in actinic keratosis, squamous cell carcinoma of the skin, and basal cell carcinoma. Pathol Res Pract 2013; 209:705-9. [PMID: 24011615 DOI: 10.1016/j.prp.2013.08.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 07/18/2013] [Accepted: 08/05/2013] [Indexed: 12/27/2022]
Abstract
The expression of metalloproteinases and their inhibitors has been related to different invasive and metastatic potentials in cancer. This study aims to investigate the immunohistochemical expression of TIMP-3 and MMP-9 in samples of basal cell carcinoma (BCC), squamous cell carcinoma of the skin (SCC), and actinic keratosis (AK). Immunohistochemistry was performed to evaluate the expression of TIMP-3 and MMP-9 in samples of BCC (n=22), SCC (n=10), and AK (n=15). Ten fields of both tumor parenchyma and tumor stroma were photographed and counted in image software. The ratio of positive cells to total cells was used to quantify the staining. A higher expression of MMP-9 was found in tumor stroma of SCC compared to BCC and AK. No significant differences in TIMP-3 expression were observed among the groups. Considering the well-described differences between these neoplasms, these results provide additional evidence of the role of MMP-9 in tumor invasiveness of keratinocyte-derived tumors.
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Affiliation(s)
- Fabiano O Poswar
- Department of Dentistry, Universidade Estadual de Montes Claros, Minas Gerais, Brazil; Department of Medicine, Universidade Estadual de Montes Claros, Minas Gerais, Brazil
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15
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Grizzi F, Bianchi P, Malesci A, Laghi L. Prognostic value of innate and adaptive immunity in colorectal cancer. World J Gastroenterol 2013; 19:174-84. [PMID: 23345940 PMCID: PMC3547568 DOI: 10.3748/wjg.v19.i2.174] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2012] [Revised: 07/12/2012] [Accepted: 07/18/2012] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) remains one of the major public health problems throughout the world. Originally depicted as a multi-step dynamical disease, CRC develops slowly over several years and progresses through cytologically distinct benign and malignant states, from single crypt lesions through adenoma, to malignant carcinoma with the potential for invasion and metastasis. Moving from histological observations since a long time, it has been recognized that inflammation and immunity actively participate in the pathogenesis, surveillance and progression of CRC. The advent of immunohistochemical techniques and of animal models has improved our understanding of the immune dynamical system in CRC. It is well known that immune cells have variable behavior controlled by complex interactions in the tumor microenvironment. Advances in immunology and molecular biology have shown that CRC is immunogenic and that host immune responses influence survival. Several lines of evidence support the concept that tumor stromal cells, are not merely a scaffold, but rather they influence growth, survival, and invasiveness of cancer cells, dynamically contributing to the tumor microenvironment, together with immune cells. Different types of immune cells infiltrate CRC, comprising cells of both the innate and adaptive immune system. A relevant issue is to unravel the discrepancy between the inhibitory effects on cancer growth exerted by the local immune response and the promoting effects on cancer proliferation, invasion, and dissemination induced by some types of inflammatory cells. Here, we sought to discuss the role played by innate and adaptive immune system in the local progression and metastasis of CRC, and the prognostic information that we can currently understand and exploit.
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Herszényi L, Hritz I, Lakatos G, Varga MZ, Tulassay Z. The behavior of matrix metalloproteinases and their inhibitors in colorectal cancer. Int J Mol Sci 2012; 13:13240-63. [PMID: 23202950 PMCID: PMC3497324 DOI: 10.3390/ijms131013240] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Revised: 10/08/2012] [Accepted: 10/10/2012] [Indexed: 02/06/2023] Open
Abstract
Matrix metalloproteinases (MMPs) play an important role in the degradation of extracellular matrix components crucial for tumor growth, invasion and metastasis. MMPs are controlled by natural inhibitors called tissue inhibitors of metalloproteinases (TIMPs). We and others have demonstrated that MMPs and TIMPs are especially important in the process of tumor invasion, progression and the metastasis of colorectal cancer (CRC). It has been proposed that MMPs and TIMPs might play a part not only in tumor invasion and initiation of metastasis but also in carcinogenesis from colorectal adenomas. Several recent studies demonstrated that high preoperative serum or plasma MMP-2, MMP-9 and TIMP-1 antigen levels are strong predictive factors for poor prognosis in patients with CRC and their determination might be useful for identification of patients with higher risk for cancer recurrence. MMP-9 and TIMP-1 have significant potential tumor marker impact in CRC. Their diagnostic sensitivity is consistently higher than those of conventional biomarkers. The pharmacological targeting of CRC by the development of a new generation of selective inhibitors of MMPs, that is highly specific for certain MMPs, is a promising and challenging area for the future.
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Affiliation(s)
- László Herszényi
- Second Department of Medicine, Semmelweis University, H-1088 Budapest, Szentkirályi str. 46, H-1088, Hungary; E-Mails: (I.H.); (G.L.); (M.Z.V.); (Z.T.)
| | - István Hritz
- Second Department of Medicine, Semmelweis University, H-1088 Budapest, Szentkirályi str. 46, H-1088, Hungary; E-Mails: (I.H.); (G.L.); (M.Z.V.); (Z.T.)
- First Department of Medicine, Fejér County Szent György Hospital, Székesfehérvár, H-8000, Hungary
| | - Gábor Lakatos
- Second Department of Medicine, Semmelweis University, H-1088 Budapest, Szentkirályi str. 46, H-1088, Hungary; E-Mails: (I.H.); (G.L.); (M.Z.V.); (Z.T.)
- Department of Oncology, Szent László Hospital, Budapest, H-1097, Hungary
| | - Mária Zsófia Varga
- Second Department of Medicine, Semmelweis University, H-1088 Budapest, Szentkirályi str. 46, H-1088, Hungary; E-Mails: (I.H.); (G.L.); (M.Z.V.); (Z.T.)
| | - Zsolt Tulassay
- Second Department of Medicine, Semmelweis University, H-1088 Budapest, Szentkirályi str. 46, H-1088, Hungary; E-Mails: (I.H.); (G.L.); (M.Z.V.); (Z.T.)
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Liu YF, Guo S, Zhao R, Chen YG, Wang XQ, Xu KS. Correlation of vascular endothelial growth factor expression with tumor recurrence and poor prognosis in patients with pN0 gastric cancer. World J Surg 2012; 36:109-17. [PMID: 21773953 DOI: 10.1007/s00268-011-1192-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Vascular endothelial growth factor (VEGF) and matrix metalloproteinase (MMP)-9 play important roles in tumor angiogenesis, development, and progression. This study investigates the expression of VEGF combined with MMP-9, their correlation with clinical characteristics, and their effect on the prognosis for patients with pN0 gastric cancer after curative surgery. METHODS A total of 55 patients were enrolled in the study. They were analyzed by immunohistochemistry, and their correlation with clinical characteristics was then investigated. Their relations and the survival time of patients were retrospectively analyzed. RESULTS VEGF and MMP-9 were positively expressed in 24 (43.6%) and 16 (29.1%) patients, respectively, and had a positive correlation (r = 0.324, p = 0.016) in the Spearman rank correlation analysis. Univariate analysis showed that VEGF, MMP-9 expression, vascular invasion, T stage, and tumor size were associated with tumor recurrence as well as the disease-specific (DSS) and overall (OS) survival rates. Patients with positive VEGF expression showed significantly higher recurrence and poorer DSS and OS rates compared with those with negative VEGF expression. Multivariate analysis showed that VEGF expression, vascular invasion, T stage (serosal invasion), and tumor size were significant independent prognostic factors for tumor recurrence, DSS, and OS in patients with pN0 gastric cancer with the exception that T stage was not for DSS. CONCLUSIONS VEGF expression, vascular invasion, T stage (serosal invasion), and tumor size can be used as valuable prognosticators in predicting tumor recurrence and prognosis for patients with pN0 gastric cancer after curative surgery. VEGF may have a synergistic effect with MMP-9 during tumor angiogenesis, development, and progression.
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Affiliation(s)
- Yan-Feng Liu
- Department of Hepatobiliary Surgery, Qilu Hospital, Shandong University, 107#, Wenhua Xi Road, Jinan 250012, China
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Herszényi L, Lakatos G, Hritz I, Varga MZ, Cierny G, Tulassay Z. The role of inflammation and proteinases in tumor progression. Dig Dis 2012; 30:249-54. [PMID: 22722549 DOI: 10.1159/000336914] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Chronic inflammation is an important risk factor for the development of cancers. The link between chronic inflammation and the risk of developing cancer is now well established. At least 20% of all cancers arise in association with infection and chronic inflammation. Inflammation and cancer are linked both along intrinsic (driven by genetic events causing malignancy) and extrinsic (driven by inflammatory conditions predisposing to tumor) pathways. Proteinases are key contributors to the breakdown and reconstitution of extracellular matrix components in physiological processes and pathological conditions, including destructive diseases and tumor progression. Matrix metalloproteinases are especially essential in the complex process of coregulation between cellular components of the tumor environment, and they are considered as potential diagnostic and prognostic biomarkers in many types and stages of cancer. Although the link between chronic inflammation, proteinases and risk of developing cancer is now well established, several open questions remain. The most exciting challenge is to find the best approach to target cancer-associated inflammation in patients with cancer. With respect to matrix metalloproteinases, the development of a new generation of selective inhibitors is a promising area of research.
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Affiliation(s)
- László Herszényi
- 2nd Department of Medicine, Semmelweis University, Budapest, Hungary.
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19
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Lakatos G, Sipos F, Miheller P, Hritz I, Varga MZ, Juhász M, Molnár B, Tulassay Z, Herszényi L. The behavior of matrix metalloproteinase-9 in lymphocytic colitis, collagenous colitis and ulcerative colitis. Pathol Oncol Res 2012; 18:85-91. [PMID: 21678108 DOI: 10.1007/s12253-011-9420-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2010] [Accepted: 05/26/2011] [Indexed: 02/05/2023]
Abstract
Matrix metalloproteinases play an important role in extracellular matrix remodelling. It has been proposed that matrix metalloproteinase-9 (MMP-9) is involved in epithelial damage in ulcerative colitis (UC). However, to our knowledge, no data are available in terms of MMP-9 expression in microscopic colitis. Determination of mucosal protein expression levels of MMP-9 in lymphocytic colitis (LC), collagenous colitis (CC) and UC. MMP-9 immunohistochemical expressions were analyzed in paraffin-embedded tissue samples by immunohistochemistry including patients with LC, CC, UC, active diverticulitis, inactive diverticular disease and healthy control subjects. UC was also subgrouped according to the severity of inflammation. Immunostaining was determined semiquantitatively. Independent colonic biopsies from healthy and severe UC cases were used for gene expression analyses. For further comparison MMP-9 serum antigen levels were also determined in patients with UC and control patients without macroscopic or microscopic changes during colonoscopy. MMP-9 mucosal expression was significantly higher in UC (26.7 ± 19.5%) compared to LC (6.6 ± 9.3%), CC (6.4 ± 7.6%), active diverticulitis (5.33 ± 2.4%), inactive diverticular disease (5.0 ± 2.2%) and controls (6.3 ± 2.6%) (P < 0.001). The immunohistochemical expression of MMP-9 in LC and CC was similar as compared to controls. MMP-9 expression was significantly higher in each inflammatory group of UC compared to controls (mild: 11.0 ± 2.8%, moderate: 23.9 ± 3.7%, severe UC: 52.6 ± 3.9% and 6.3 ± 2.6%, respectively, P < 0.005). The gene expression microarray data and RT-PCR results demonstrated a significantly higher expression of MMP-9 in severely active UC compared to healthy controls (P < 0.001). Significantly higher MMP-9 serum antigen concentrations were observed in UC patients compared with the control group (P < 0.05). MMP-9 seems to play no role in the inflammatory process of LC and CC. In contrast, the mucosal up-regulation of MMP-9 correlated with the severity of inflammation in UC. The increased MMP-9 expression could contribute to the severity of mucosal damage in active UC.
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Affiliation(s)
- Gábor Lakatos
- 2nd Department of Medicine, Semmelweis University, Budapest, Hungary
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20
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Chioda M, Peranzoni E, Desantis G, Papalini F, Falisi E, Solito S, Samantha S, Mandruzzato S, Bronte V. Myeloid cell diversification and complexity: an old concept with new turns in oncology. Cancer Metastasis Rev 2011; 30:27-43. [PMID: 21267772 DOI: 10.1007/s10555-011-9268-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Tumour development is accompanied by an enhanced haematopoiesis. This is not a widespread activation since only cells belonging to the myelo-monocytic compartment are expanded and mobilized from primary sites of haematopoiesis to other organs, reaching also the tumour stroma. This process occurs early during tumour formation but becomes more evident in advanced disease. Far from being a simple, unwanted consequence of cancer development, accumulation of myelo-monocytitc cells plays a role in tumour vascularization, local spreading, establishment of metastasis at distant sites, and contribute to create an environment unfavourable for the adoptive immunity against tumour-associated antigens. Myeloid populations involved in these process are likely different but many cells, expanded in primary and secondary lymphoid organs of tumour-bearing mice, share various levels of the CD11b and Gr-1 (Ly6C/G) markers. CD11b(+)Gr-1(+) cells are currently named myeloid-derived suppressor cells for their ability to inhibit T lymphocyte responses in tumour-bearing hosts. In this manuscript, we review the recent literature on tumour-conditioned myeloid subsets that assist tumour growth, both in mice and humans.
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Matrix metalloproteinase 2 and tissue inhibitor of matrix metalloproteinases 2 in the diagnosis of colorectal adenoma and cancer patients. Folia Histochem Cytobiol 2011; 48:564-71. [PMID: 21478099 DOI: 10.2478/v10042-010-0076-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The aim of the study was to assess the importance of the measurement of matrix metalloproteinase 2 (MMP-2) and tissue inhibitor of matrix metalloproteinases 2 (TIMP-2) in patients with colorectal cancer (CRC) in relation to clinicopathological features of tumor and patients' survival. Additionally, we determined serum MMP-2 and TIMP-2 in colorectal adenoma (CA) patients and healthy controls and compared them with tumor markers, CEA and CA 19-9. The serum levels of MMP-2 and TIMP-2 in 91 CRC patients, 28 CA subjects and 91 healthy controls were determined by ELISA method, but concentrations of CEA and CA 19-9 using MEIA method. Nonparametric statistical analyses were used. Serum levels of MMP-2 and TIMP-2 were significantly lower in CRC patients than in healthy subjects and decreased with tumor stage. Additionally, MMP-2 concentrations were significantly lower in patients with CRC than in CA group. Diagnostic sensitivity of TIMP-2 (59%) was the highest among biomarkers tested and increased in combined use with CEA (79%). Moreover, the area under ROC curve (AUC) of TIMP-2 was larger than AUC of MMP-2 in differentiation between CRC and healthy subjects, but lower than AUC of matrix metalloproteinase 2 in differentiation between colorectal cancer and adenoma. Our findings suggest clinical usefulness of TIMP-2 as a biomarker in the diagnosis of CRC, especially in combination with CEA. However, further investigation is necessary.
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22
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Neutrophil gelatinase-associated lipocalin (NGAL) and matrix metalloproteinase-9 (MMP-9) prognostic value in stage I colorectal carcinoma. Pathol Res Pract 2011; 207:479-86. [PMID: 21726963 DOI: 10.1016/j.prp.2011.05.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Revised: 05/11/2011] [Accepted: 05/30/2011] [Indexed: 01/25/2023]
Abstract
The expression of neutrophil gelatinase-associated lipocalin (NGAL) has been suggested to behave like a negative prognostic marker in stage I colorectal carcinoma. In the aim of clarifying whether its association with adverse outcome may descend from NGAL's ability to regulate matrix metallo-proteinase-9 (MMP-9), we analyzed the correlation, prognostic value, and association with neo-angiogenesis of NGAL and MMP-9 immunohistochemical expression in a series of stage I colorectal carcinomas. A variable NGAL immunoexpression was demonstrated in 17 of the 48 analyzed cases with a significantly higher frequency of positive cases among patients showing disease progression. NGAL expression was also positively correlated with VEGF expression detected in the same cases. MMP-9 immunostaining was present in the cytoplasm of the neoplastic cells in 30 cases; no significant correlations were evidenced with NGAL expression, as well as with the various clinico-pathological parameters or with progression of the colorectal carcinomas. By contrast, NGAL expression was confirmed as a significant independent negative prognostic marker related to a shorter disease-free survival in stage I colorectal carcinoma. Our preliminary results suggest that the association of NGAL with poor outcome might be independent from MMP-9 regulation, thus highlighting its prognostic value in this neoplasia. If our findings are confirmed in further analyses, NGAL assessment might be used in order to select those patients with a higher progression risk and to submit them to adjuvant therapies useful to prevent adverse outcome.
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Lakatos G, Sipos F, Miheller P, Hritz I, Varga MZ, Juhász M, Molnár B, Tulassay Z, Herszényi L. The behavior of matrix metalloproteinase-9 in lymphocytic colitis, collagenous colitis and ulcerative colitis. Pathol Oncol Res 2011. [PMID: 21678108 DOI: 10.1007/s12253-011-9420-9.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Matrix metalloproteinases play an important role in extracellular matrix remodelling. It has been proposed that matrix metalloproteinase-9 (MMP-9) is involved in epithelial damage in ulcerative colitis (UC). However, to our knowledge, no data are available in terms of MMP-9 expression in microscopic colitis. Determination of mucosal protein expression levels of MMP-9 in lymphocytic colitis (LC), collagenous colitis (CC) and UC. MMP-9 immunohistochemical expressions were analyzed in paraffin-embedded tissue samples by immunohistochemistry including patients with LC, CC, UC, active diverticulitis, inactive diverticular disease and healthy control subjects. UC was also subgrouped according to the severity of inflammation. Immunostaining was determined semiquantitatively. Independent colonic biopsies from healthy and severe UC cases were used for gene expression analyses. For further comparison MMP-9 serum antigen levels were also determined in patients with UC and control patients without macroscopic or microscopic changes during colonoscopy. MMP-9 mucosal expression was significantly higher in UC (26.7 ± 19.5%) compared to LC (6.6 ± 9.3%), CC (6.4 ± 7.6%), active diverticulitis (5.33 ± 2.4%), inactive diverticular disease (5.0 ± 2.2%) and controls (6.3 ± 2.6%) (P < 0.001). The immunohistochemical expression of MMP-9 in LC and CC was similar as compared to controls. MMP-9 expression was significantly higher in each inflammatory group of UC compared to controls (mild: 11.0 ± 2.8%, moderate: 23.9 ± 3.7%, severe UC: 52.6 ± 3.9% and 6.3 ± 2.6%, respectively, P < 0.005). The gene expression microarray data and RT-PCR results demonstrated a significantly higher expression of MMP-9 in severely active UC compared to healthy controls (P < 0.001). Significantly higher MMP-9 serum antigen concentrations were observed in UC patients compared with the control group (P < 0.05). MMP-9 seems to play no role in the inflammatory process of LC and CC. In contrast, the mucosal up-regulation of MMP-9 correlated with the severity of inflammation in UC. The increased MMP-9 expression could contribute to the severity of mucosal damage in active UC.
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Affiliation(s)
- Gábor Lakatos
- 2nd Department of Medicine, Semmelweis University, Budapest, Hungary
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24
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Dragutinović VV, Radonjić NV, Petronijević ND, Tatić SB, Dimitrijević IB, Radovanović NS, Krivokapić ZV. Matrix metalloproteinase-2 (MMP-2) and -9 (MMP-9) in preoperative serum as independent prognostic markers in patients with colorectal cancer. Mol Cell Biochem 2011; 355:173-8. [PMID: 21541674 DOI: 10.1007/s11010-011-0851-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Accepted: 04/20/2011] [Indexed: 12/15/2022]
Abstract
Colorectal cancer is one of the leading causes of cancer related death in developed countries. One of the reasons is the absence of tumor specific diagnostic and prognostic markers. The aim of this study was to examine the correlation of matrix metalloproteinase-2 (MMP-2) and -9 (MMP-9) expressions in serum and clinicopathological features of the colorectal adenocarcinoma. Another aim was to examine expression of MMP-9 in the tissue of the colorectal carcinoma in MMP-9 serum positive patients. In addition, we tried to establish the correlation between preoperative levels of serum markers (CEA and CA 19-9) and presence of MMP-2 or MMP-9. The study was performed on 32 patients with colorectal adenocarcinoma who underwent surgery and 11 patients in a control group who were operated for benign diseases. The samples were analyzed by SDS-PAGE to determine the molecular mass and SDS-PAGE zymography to determine levels of MMP-2 and MMP-9. Expression of MMP-9 was determined immunohistochemically in the tissue of the colorectal carcinoma of MMP-9 serum positive patients. MMP-2 and MMP-9 levels were increased in the serum of the patients with colorectal cancer compared to the control group. There was significant correlation in MMPs levels among the patients with tumor stage I and II and the patients with tumor stage III and IV. Obtained results did not demonstrate correlation between levels of CEA, CA 19-9 and presence of MMP-2 or MMP-9. MMP-9 expression was positive in 85% of MMP-9 serum positive patients with colorectal carcinoma. The overexpression of MMP-2 and MMP-9 strongly suggests its association with colorectal adenocarcinoma. Detection of MMP-2 and MMP-9 in serum might be useful for identification of patients with higher risk for colorectal cancer recurrence.
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Affiliation(s)
- Vesna V Dragutinović
- Institute of Medical Chemistry, School of Medicine, University of Belgrade, Višegradska 26, Belgrade, Serbia.
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Murnane MJ, Cai J, Shuja S, McAneny D, Willett JB. Active matrix metalloproteinase-2 activity discriminates colonic mucosa, adenomas with and without high-grade dysplasia, and cancers. Hum Pathol 2011; 42:688-701. [PMID: 21237495 DOI: 10.1016/j.humpath.2010.08.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Revised: 08/23/2010] [Accepted: 08/27/2010] [Indexed: 12/18/2022]
Abstract
Pathologic assessment of colorectal adenomas, a complex task with significant interobserver variability, typically defines the scheduling of surveillance colonoscopies after removal of adenomas. We have characterized the activity levels of pro-matrix metalloproteinase-2, active matrix metalloproteinase-2, and matrix metalloproteinase-9 in colorectal adenomas and carcinomas as potential markers of pathologic progression during colorectal tumorigenesis. Endogenous fully activated matrix metalloproteinase-2, in particular, has been studied less frequently in adenomas due to difficulties in detection. For this report, tissues (n = 119) from 51 individuals were extracted and assayed on gelatin zymograms with digital standardization to nanogram quantities of purified active controls. Resulting data were assessed by graphical and multinomial logit regression analyses to test whether matrix metalloproteinase-2 or matrix metalloproteinase-9 activities could discriminate among 4 different types of colorectal tissue (normal mucosa, adenomas with or without high-grade dysplasia, and invasive carcinomas). Active matrix metalloproteinase-2 successfully discriminated among these tissue categories. Median activity for active matrix metalloproteinase-2 increased in a stepwise fashion with pathologic progression from normal mucosa to adenoma without high-grade dysplasia to adenoma with high-grade dysplasia to cancer. Although pro-matrix metalloproteinase-2 and pro-matrix metalloproteinase-9 activities could discriminate to some extent among tissue categories, those effects did not contribute additional information. Active matrix metalloproteinase-2 activity correlated significantly with histopathologic assessment of colorectal tissues. The ability of active matrix metalloproteinase-2 to distinguish adenomas with high-grade dysplasia from adenomas without high-grade dysplasia may be particularly useful in predicting future colorectal cancer risk for an individual, thus optimizing scheduling of surveillance colonoscopies.
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Affiliation(s)
- Mary Jo Murnane
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA 02118, USA.
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26
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Yoon SM, Myung SJ, Ye BD, Kim IW, Lee NG, Ryu YM, Park K, Kim K, Kwon IC, Park YS, Park CS, Moon DH, Kim DH, Do MY, Byeon JS, Yang SK, Kim JH. Near-infrared fluorescence imaging using a protease-specific probe for the detection of colon tumors. Gut Liver 2010; 4:488-97. [PMID: 21253297 DOI: 10.5009/gnl.2010.4.4.488] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2010] [Accepted: 05/25/2010] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND/AIMS Early tumor detection is crucial for the prevention of colon cancer. Near-infrared fluorescence (NIRF) imaging using a target-activatable probe may permit earlier disease detection. Matrix metalloproteinases (MMPs) participate in tumorigenesis and tumor growth. The aim of this study was to determine whether NIRF imaging using an MMP-activatable probe can detect colon tumors at early stages. METHODS WE UTILIZED TWO MURINE COLON CANCER MODELS: a sporadic colon cancer model induced by azoxymethane (AOM), and a colitis-associated cancer model induced by a combination of AOM and dextran sodium sulfate (DSS). Colonic lesions were analyzed by histologic examination, Western blotting, immunohistochemical staining, and NIRF imaging using an MMP-activatable probe. RESULTS Multiple variable-sized tumors developed in both models and progressed from adenomas to adenocarcinomas over time. At the early stage of the AOM/DSS model, diffuse inflammation was observed within the tumors. MMP expression increased progressively through normal, inflammation, adenoma, and adenocarcionoma stages. NIRF signal intensities were strongly correlated with each tumor stage from adenoma to adenocarcinoma. NIRF imaging also distinguished tumors from inflamed mucosa. CONCLUSIONS NIRF imaging using a protease-activatable probe may be a useful tool for early tumor detection. This approach could translate to improve the endoscopic detection of colon tumors, especially in patients with inflammatory bowel disease.
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Affiliation(s)
- Soon Man Yoon
- Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju, Korea
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Kang JC, Chen JS, Lee CH, Chang JJ, Shieh YS. Intratumoral macrophage counts correlate with tumor progression in colorectal cancer. J Surg Oncol 2010; 102:242-8. [PMID: 20740582 DOI: 10.1002/jso.21617] [Citation(s) in RCA: 112] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND The role of intratumoral tumor-associated macrophages (TAMs) in colorectal cancer (CRC) is not clear. We aim to examine the relationships of TAMs and the clinicopathologic features of CRC and the expression of matrix metalloproteinases (MMP)-2 and MMP-9. METHODS Immunohistochemical staining of CD68, MMP-2, and MMP-9 was determined in tissue samples from CRC patients. To test the biological effect of macrophages on tumor cells, cancer cells were cocultured with macrophages and function change of cancer cells were examined. RESULTS Intratumoral TAM count correlated with depth of invasion (P = 0.048), lymph node metastasis (P < 0.0001), and staging (P < 0.0001) of CRC. MMP-2 and MMP-9 expression was significantly associated with lymph node metastasis and staging. A significant association between intratumoral TAM counts and MMP-2 (P < 0.0001) and MMP-9 (P < 0.0001) expression was noted. When cocultured with macrophages, cancer cells increased their invasiveness and migration and elevated MMP-2 and MMP-9 secretion. CONCLUSIONS Intratumoral TAMs cause cancer cells to have a more aggressive behavior, and this may be due to an upregulation of tumor cell-derived MMP-2 and MMP-9. Examination of intratumoral TAMs can serve as a progressive marker for CRC patients.
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Affiliation(s)
- Jung-Cheng Kang
- Division of Colon & Rectum, Buddhist Tzu Chi General Hospital, Tzu Chi University, Hualien, Taiwan
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Prognostic significance of matrix metalloproteinase-9 (MMP-9) in stage II colorectal carcinoma. J Gastrointest Cancer 2010; 40:91-7. [PMID: 19921474 DOI: 10.1007/s12029-009-9091-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Approximately 30% of all colorectal cancer patients are diagnosed with stage II disease. Adjuvant therapy is not widely recommended. However, it is well-established that a subgroup of patients with stage II is at high risk for recurrence within their life time and should be considered for adjuvant chemotherapy. The present work was designed to assess the value of matrix metalloproteinase-9 (MMP-9) as a predictor of disease outcome in a series of 202 stage II colorectal cancer (CRC) patients with long-term follow-up. METHODS The present study comprises a series of 202 patients who underwent bowel resection for stage II CRC at Turku University Hospital. Archival paraffin-embedded CRC tissue samples were used to prepare tissue microarray blocks for immunohistochemical staining with MMP-9 antibody. RESULTS Forty-eight percent of all CRC samples were positive for MMP-9. There was no significant correlation between MMP-9 expression and age, depth of invasion, and lymph node status. However, MMP-9 expression was significantly related to histological grade (p = 0.03) and location of the tumor (p = 0.01), therefore, being lower in high-grade tumors and most intense in carcinomas of the descending colon and rectum. Tumors with high MMP-9 expression showed a higher recurrence rate than tumors with low expression (p = 0.02). MMP-9 negative tumors had a more favorable disease-free survival (DFS) than those expressing MMP-9 (p = 0.03). The same was true with disease-specific survival (DSS; p = 0.02) as well, high expression of MMP-9 being associated with shorter survival rates. In multivariate (Cox) survival analysis, MMP-9 expression proved to be an independent predictor of DFS, but not DSS, which was predicted by age and sex only. CONCLUSION Quantification of MMP-9 expression seems to provide valuable prognostic information in stage II CRC, particularly, in selecting the patients at high risk for recurrent disease who might benefit from adjuvant therapy.
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Mroczko B, Groblewska M, Okulczyk B, Kędra B, Szmitkowski M. The diagnostic value of matrix metalloproteinase 9 (MMP-9) and tissue inhibitor of matrix metalloproteinases 1 (TIMP-1) determination in the sera of colorectal adenoma and cancer patients. Int J Colorectal Dis 2010; 25:1177-84. [PMID: 20556397 PMCID: PMC2928442 DOI: 10.1007/s00384-010-0991-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/04/2010] [Indexed: 02/04/2023]
Abstract
PURPOSE Tumor cells, including colorectal cancer (CRC), are able to produce and release matrix metalloproteinase 9 (MMP-9) which is involved in tumor invasion and metastasis. Natural tissue inhibitors of matrix metalloproteinases (TIMPs) regulate activity of MMPs and stimulate tumor growth and malignant transformation. The aim of the present study was to compare the clinical significance of serum MMP-9 with TIMP-1 in the diagnosis of CRC patients and in the differentiation between colorectal adenoma (CA) and cancer. METHODS Serum MMP-9 and TIMP-1 were measured in 75 CRC patients, 35 CA, and 70 healthy subjects using enzyme-linked immunosorbent assay. Concentrations of carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA 19-9) were determined by microparticle enzyme immunoassay. RESULTS Serum levels of all proteins tested were significantly higher in CRC patients than in healthy subjects. Additionally, serum TIMP-1 was significantly higher in patients with CRC than in CA patients. Concentrations of TIMP-1 correlated with tumor stage, nodal involvement, presence of distant metastases, patients' survival, and tumor resectability. Diagnostic sensitivity of TIMP-1 was higher (61%) than those of other biomarkers (MMP-9, 55%; CEA, 39%; CA 19-9, 11%), and increased in combined use with MMP-9 (75%) or CEA (73%). The areas under receiver operating characteristic curves of TIMP-1 were larger than those of MMP-9. CONCLUSIONS Our findings suggest better usefulness of serum TIMP-1 than MMP-9 in the diagnosis of CRC, especially in the assessment of Duke's classification of tumor stage, survival of cancer patients, resectability of tumor, and in the differentiation between CA and cancer.
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Affiliation(s)
- Barbara Mroczko
- Department of Biochemical Diagnostics, Medical University, Waszyngtona 15 a, 15-269 Białystok, Poland
| | - Magdalena Groblewska
- Department of Biochemical Diagnostics, Medical University, Waszyngtona 15 a, 15-269 Białystok, Poland
| | - Bogna Okulczyk
- Second Department of General Surgery, Medical University, Białystok, Poland
| | - Bogusław Kędra
- Second Department of General Surgery, Medical University, Białystok, Poland
| | - Maciej Szmitkowski
- Department of Biochemical Diagnostics, Medical University, Waszyngtona 15 a, 15-269 Białystok, Poland
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Cui XN, Tang JW, Song B, Wang B, Chen SY, Hou L. High expression of osteoglycin decreases gelatinase activity of murine hepatocarcinoma Hca-F cells. World J Gastroenterol 2009; 15:6117-22. [PMID: 20027687 PMCID: PMC2797671 DOI: 10.3748/wjg.15.6117] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the possible correlation between osteoglycin expression and gelatinase activity of mouse hepatocarcinoma Hca-F cells.
METHODS: A eukaryotic expression plasmid pIRESpuro3 osteoglycin(+) was constructed and transfected into Hca-F cells to investigate the possible correlation between osteoglycin expression and gelatinase activity of Hca-F cells cultured with extract of lymph node, liver, spleen or in DMEM medium. The activity of gelatinases was examined through zymographic analysis.
RESULTS: High expression of osteoglycin attenuated the gelatinase activity of Hca-F cells cultured with extract of lymph node, and at the same time, decreased the metastatic potential of Hca-F cells to peripheral lymph nodes in vivo.
CONCLUSION: High expression of osteoglycin decreases the gelatinase activity of Hca-F cells cultured with extract of lymph node; regulation of gelatinase activity might be one of mechanisms that osteoglycin contributes to lymphatic metastasis suppression.
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Paduch R, Kandefer-Szerszeń M. Expression and activation of proteases in co-cultures. ACTA ACUST UNITED AC 2009; 63:79-87. [PMID: 19836935 DOI: 10.1016/j.etp.2009.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2009] [Revised: 09/16/2009] [Accepted: 09/17/2009] [Indexed: 10/20/2022]
Abstract
The present study concerned the expression and activation of metalloproteinase-2 (MMP-2), metalloproteinase-9 (MMP-9) and the urokinase plasminogen activator/urokinase plasminogen activator receptor (uPA/uPAR) system in co-cultures of human colon carcinoma cell spheroids (HT29, LS180, SW948) with human normal colon epithelium (CCD 841 CoTr), myofibroblasts (CCD-18Co) and endothelial cells (HUVEC). Additionally, the influence of monensin on the production and function of the proteases was tested. Tumor cells expressed small amounts of MMP-2, MMP-9 and uPA. Normal cells generally produced proportionally higher concentrations of these proteases (especially MMP-2, compared with significantly smaller yields of MMP-9 and significantly lower amounts of uPAR than tumors. In co-cultures of tumor spheroids with normal cell monolayers, the concentration of the proteases was equal to the sum of the enzymes produced in monocultures of both types of cells. The highest activity of uPA, measured as the reduction of the chromogenic substrate (S-2444), was detected in supernatants and lysates of endothelial cells. Interestingly, in normal cells, the higher expression of proteases, mainly uPA, measured as the level of protein concentration, was closely linked with their lower activity and inversely, in tumor cells, the low level of the expression of the enzymes correlated with their high enzymatic activity. In zymography analysis, mainly pro-MMPs were detected both in culture supernatants and cell lysates. The highest amounts of active forms of the MMPs were detected in tumor spheroids co-cultured with endothelial cells. Monensin inhibited MMPs and uPA secretion but significantly increased uPAR release, mainly from normal cells. In conclusion, during direct interactions of tumor cells with normal cells, MMPs and the uPA/uPAR system play an important role in the degradation of ECM and tumor development, but as we found, there is a reverse relationship between the concentration and the enzymatic activity of MMPs and uPA/uPAR in co-culture models.
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Affiliation(s)
- Roman Paduch
- Department of Virology and Immunology, Institute of Microbiology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland.
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Kerr CA, Dunne R, Hines BM, Zucker M, Cosgrove L, Ruszkiewicz A, Lockett T, Head R. Measuring the combinatorial expression of solute transporters and metalloproteinases transcripts in colorectal cancer. BMC Res Notes 2009; 2:164. [PMID: 19689820 PMCID: PMC2736974 DOI: 10.1186/1756-0500-2-164] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2009] [Accepted: 08/19/2009] [Indexed: 01/10/2023] Open
Abstract
Background It was hypothesised that colorectal cancer (CRC) could be diagnosed in biopsies by measuring the combined expression of a small set of well known genes. Genes were chosen based on their role in either the breakdown of the extracellular matrix or with changes in cellular metabolism both of which are associated with CRC progression Findings Gene expression data derived from quantitative real-time PCR for the solute transporter carriers (SLCs) and the invasion-mediating matrix metalloproteinases (MMPs) were examined using a Linear Descriminant Analysis (LDA). The combination of MMP-7 and SLC5A8 was found to be the most predictive of CRC. Conclusion A combinatorial analysis technique is an effective method for both furthering our understanding on the molecular basis of some aspects of CRC, as well as for leveraging well defined cancer-related gene sets to identify cancer. In this instance, the combination of MMP-7 and SLC5A8 were optimal for identifying CRC.
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Affiliation(s)
- Caroline A Kerr
- CSIRO Preventative Health Flagship, CSIRO Division of Molecular and Health Technologies, CSIRO, Division of Molecular and Health Technologies, Adelaide, SA, 5000, Australia .
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Sinnamon MJ, Carter KJ, Fingleton B, Matrisian LM. Matrix metalloproteinase-9 contributes to intestinal tumourigenesis in the adenomatous polyposis coli multiple intestinal neoplasia mouse. Int J Exp Pathol 2009; 89:466-75. [PMID: 19134056 DOI: 10.1111/j.1365-2613.2008.00621.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Matrix metalloproteinases (MMPs) are a family of 23 extracellular proteases that are best known for their collective ability to degrade all components of the extracellular matrix. We previously demonstrated that genetic ablation of MMP-7 reduced tumour multiplicity in multiple intestinal neoplasia (Min) mice possessing a genetic alteration in the adenomatous polyposis coli gene (APC). These mice, commonly referred to as APC-Min mice, are a frequently used model of early intestinal tumourigenesis. To examine further the role of MMPs in intestinal tumour development, we generated APC-Min mice genetically deficient in MMP-2, -9, -12 or -19. Genetic ablation of MMP-2, -12 or -19 did not affect multiplicity or size of intestinal tumours when crossed into the APC-Min system. However, MMP-9 deficient animals developed 40% fewer tumours than littermate controls, although tumour size distribution remained unaffected. Intestinal adenomas from MMP-9 deficient mice demonstrated a 50% decrease in proliferating cells compared with control tissues, with no difference in apoptosis. To determine the cellular origin of MMP-9 in these tumours, immunofluorescent co-staining with markers for different leucocyte lineages was used to demonstrate that intratumoural MMP-9 is largely a product of neutrophils. These studies extend the potential targets for chemoprevention of intestinal adenomas to MMP-9 in addition to MMP-7 and exclude MMP-2,-12,-19 as attractive targets for intervention.
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Affiliation(s)
- Mark J Sinnamon
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232-6840, USA
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Pre-treatment serum and plasma levels of matrix metalloproteinase 9 (MMP-9) and tissue inhibitor of matrix metalloproteinases 1 (TIMP-1) in gastric cancer patients. Clin Chem Lab Med 2009; 47:1133-9. [DOI: 10.1515/cclm.2009.253] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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