Detection of cytokeratin 19 mRNA and CYFRA 21-1 (cytokeratin 19 fragments) in blood of Tunisian women with breast cancer
Cytokeratin 19 (CK19) is an acidic protein of 40 kDa that is part of the cytoskeleton of epithelial cells. It is highly expressed by all epithelial cells and represents a useful indicator of epithelial differentiation. The soluble fragment of CK19 (CYFRA 21-1) can be a useful circulating tumor marke...
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| Veröffentlicht in: | The International journal of biological markers 2008-10, Vol.23 (4), p.238-243 |
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| creator | MARRAKCHI, R OUERHANIL, S BENAMMAR, S ROUISSI, K BOUHAHA, R BOUGATEF, K MESSAI, Y KHADIMALLAH, I RAHAL, K BEN AMMAR-ELGAAIED, A |
| description | Cytokeratin 19 (CK19) is an acidic protein of 40 kDa that is part of the cytoskeleton of epithelial cells. It is highly expressed by all epithelial cells and represents a useful indicator of epithelial differentiation. The soluble fragment of CK19 (CYFRA 21-1) can be a useful circulating tumor marker and can be detected in the serum of cancer patients. The development of metastasis in patients with cancer of epithelial origin is due to the migration of tumor cells from the original tumor to distant organs. In order to detect micrometastasis in patients with breast cancer, we evaluated and compared CK19 gene expression using RT-PCR in blood samples collected from 80 healthy women and 80 patients with localized or metastatic breast cancer. The concentration of the soluble CK19 fragment CYFRA 21-1 was measured in serum of all study subjects by radioimmunoassay employing specific monoclonal antibodies. The relationship between the expression of this molecular marker and clinical stage, tumor differentiation and CK19 mRNA transcripts was investigated. We found that CK19 mRNA expression in blood (as a direct index of the presence of circulating tumor cells) was not correlated with CYFRA 21-1. |
| doi_str_mv | 10.1177/172460080802300407 |
| format | Article |
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It is highly expressed by all epithelial cells and represents a useful indicator of epithelial differentiation. The soluble fragment of CK19 (CYFRA 21-1) can be a useful circulating tumor marker and can be detected in the serum of cancer patients. The development of metastasis in patients with cancer of epithelial origin is due to the migration of tumor cells from the original tumor to distant organs. In order to detect micrometastasis in patients with breast cancer, we evaluated and compared CK19 gene expression using RT-PCR in blood samples collected from 80 healthy women and 80 patients with localized or metastatic breast cancer. The concentration of the soluble CK19 fragment CYFRA 21-1 was measured in serum of all study subjects by radioimmunoassay employing specific monoclonal antibodies. The relationship between the expression of this molecular marker and clinical stage, tumor differentiation and CK19 mRNA transcripts was investigated. We found that CK19 mRNA expression in blood (as a direct index of the presence of circulating tumor cells) was not correlated with CYFRA 21-1.</description><identifier>ISSN: 0393-6155</identifier><identifier>EISSN: 1724-6008</identifier><identifier>DOI: 10.1177/172460080802300407</identifier><identifier>PMID: 19199272</identifier><language>eng</language><publisher>Milano: Wichtig</publisher><subject>Adult ; Analytical, structural and metabolic biochemistry ; Antigens, Neoplasm - blood ; Antigens, Neoplasm - genetics ; Biological and medical sciences ; Biomarkers, Tumor - blood ; Biomarkers, Tumor - genetics ; Breast Neoplasms - blood ; Breast Neoplasms - genetics ; Breast Neoplasms - pathology ; Breast Neoplasms - secondary ; Case-Control Studies ; Cell Line, Tumor ; Female ; Fundamental and applied biological sciences. Psychology ; Gene Expression ; Gene Expression Regulation, Neoplastic ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Keratin-19 - blood ; Keratin-19 - genetics ; Keratins - blood ; Keratins - genetics ; Medical sciences ; Middle Aged ; Molecular biophysics ; Neoplasm Staging ; Prognosis ; RNA, Messenger - blood ; RNA, Messenger - genetics ; Sensitivity and Specificity ; Tunisia</subject><ispartof>The International journal of biological markers, 2008-10, Vol.23 (4), p.238-243</ispartof><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-e08aaa06d34c836e220c3277958ccc63404a3d2f7def542100b151215dd1e263</citedby><cites>FETCH-LOGICAL-c337t-e08aaa06d34c836e220c3277958ccc63404a3d2f7def542100b151215dd1e263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22015323$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19199272$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>MARRAKCHI, R</creatorcontrib><creatorcontrib>OUERHANIL, S</creatorcontrib><creatorcontrib>BENAMMAR, S</creatorcontrib><creatorcontrib>ROUISSI, K</creatorcontrib><creatorcontrib>BOUHAHA, R</creatorcontrib><creatorcontrib>BOUGATEF, K</creatorcontrib><creatorcontrib>MESSAI, Y</creatorcontrib><creatorcontrib>KHADIMALLAH, I</creatorcontrib><creatorcontrib>RAHAL, K</creatorcontrib><creatorcontrib>BEN AMMAR-ELGAAIED, A</creatorcontrib><title>Detection of cytokeratin 19 mRNA and CYFRA 21-1 (cytokeratin 19 fragments) in blood of Tunisian women with breast cancer</title><title>The International journal of biological markers</title><addtitle>Int J Biol Markers</addtitle><description>Cytokeratin 19 (CK19) is an acidic protein of 40 kDa that is part of the cytoskeleton of epithelial cells. It is highly expressed by all epithelial cells and represents a useful indicator of epithelial differentiation. The soluble fragment of CK19 (CYFRA 21-1) can be a useful circulating tumor marker and can be detected in the serum of cancer patients. The development of metastasis in patients with cancer of epithelial origin is due to the migration of tumor cells from the original tumor to distant organs. In order to detect micrometastasis in patients with breast cancer, we evaluated and compared CK19 gene expression using RT-PCR in blood samples collected from 80 healthy women and 80 patients with localized or metastatic breast cancer. The concentration of the soluble CK19 fragment CYFRA 21-1 was measured in serum of all study subjects by radioimmunoassay employing specific monoclonal antibodies. The relationship between the expression of this molecular marker and clinical stage, tumor differentiation and CK19 mRNA transcripts was investigated. We found that CK19 mRNA expression in blood (as a direct index of the presence of circulating tumor cells) was not correlated with CYFRA 21-1.</description><subject>Adult</subject><subject>Analytical, structural and metabolic biochemistry</subject><subject>Antigens, Neoplasm - blood</subject><subject>Antigens, Neoplasm - genetics</subject><subject>Biological and medical sciences</subject><subject>Biomarkers, Tumor - blood</subject><subject>Biomarkers, Tumor - genetics</subject><subject>Breast Neoplasms - blood</subject><subject>Breast Neoplasms - genetics</subject><subject>Breast Neoplasms - pathology</subject><subject>Breast Neoplasms - secondary</subject><subject>Case-Control Studies</subject><subject>Cell Line, Tumor</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene Expression</subject><subject>Gene Expression Regulation, Neoplastic</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Keratin-19 - blood</subject><subject>Keratin-19 - genetics</subject><subject>Keratins - blood</subject><subject>Keratins - genetics</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Molecular biophysics</subject><subject>Neoplasm Staging</subject><subject>Prognosis</subject><subject>RNA, Messenger - blood</subject><subject>RNA, Messenger - genetics</subject><subject>Sensitivity and Specificity</subject><subject>Tunisia</subject><issn>0393-6155</issn><issn>1724-6008</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kU1LAzEQhoMoWj_-gAfJxa_DaibZTTbHUj9BFEovnpY0m9XV3USTlOq_N6VFQUHmMPDOMy_MvAjtAzkDEOIcBM05IWUqygjJiVhDg4WYLdR1NCBMsoxDUWyh7RBeCKFABN9EWyBBSiroAH1cmGh0bJ3FrsH6M7pX41VsLQaJ-_H9ECtb49Hj1XiIKWSAT34xjVdPvbExnOIkTDvn6oXTZGbb0CqL5y5N8byNz3jqjQoRa2W18btoo1FdMHurvoMmV5eT0U1293B9OxreZZoxETNDSqUU4TXLdcm4oZRoRoWQRam15iwnuWI1bURtmiJP95EpFEChqGswlLMddLy0ffPufWZCrPo2aNN1yho3C5Uo8lIwKWQij_4lOeeilBwSSJeg9i4Eb5rqzbe98p8VkGoRTPU3mLR0sHKfTXtT_6yskkjA4QpQQasuvdXqNnxz6W4oGGXsC-JvkmY</recordid><startdate>20081001</startdate><enddate>20081001</enddate><creator>MARRAKCHI, R</creator><creator>OUERHANIL, S</creator><creator>BENAMMAR, S</creator><creator>ROUISSI, K</creator><creator>BOUHAHA, R</creator><creator>BOUGATEF, K</creator><creator>MESSAI, Y</creator><creator>KHADIMALLAH, I</creator><creator>RAHAL, K</creator><creator>BEN AMMAR-ELGAAIED, A</creator><general>Wichtig</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7TM</scope></search><sort><creationdate>20081001</creationdate><title>Detection of cytokeratin 19 mRNA and CYFRA 21-1 (cytokeratin 19 fragments) in blood of Tunisian women with breast cancer</title><author>MARRAKCHI, R ; OUERHANIL, S ; BENAMMAR, S ; ROUISSI, K ; BOUHAHA, R ; BOUGATEF, K ; MESSAI, Y ; KHADIMALLAH, I ; RAHAL, K ; BEN AMMAR-ELGAAIED, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-e08aaa06d34c836e220c3277958ccc63404a3d2f7def542100b151215dd1e263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Adult</topic><topic>Analytical, structural and metabolic biochemistry</topic><topic>Antigens, Neoplasm - blood</topic><topic>Antigens, Neoplasm - genetics</topic><topic>Biological and medical sciences</topic><topic>Biomarkers, Tumor - blood</topic><topic>Biomarkers, Tumor - genetics</topic><topic>Breast Neoplasms - blood</topic><topic>Breast Neoplasms - genetics</topic><topic>Breast Neoplasms - pathology</topic><topic>Breast Neoplasms - secondary</topic><topic>Case-Control Studies</topic><topic>Cell Line, Tumor</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene Expression</topic><topic>Gene Expression Regulation, Neoplastic</topic><topic>Humans</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Keratin-19 - blood</topic><topic>Keratin-19 - genetics</topic><topic>Keratins - blood</topic><topic>Keratins - genetics</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Molecular biophysics</topic><topic>Neoplasm Staging</topic><topic>Prognosis</topic><topic>RNA, Messenger - blood</topic><topic>RNA, Messenger - genetics</topic><topic>Sensitivity and Specificity</topic><topic>Tunisia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MARRAKCHI, R</creatorcontrib><creatorcontrib>OUERHANIL, S</creatorcontrib><creatorcontrib>BENAMMAR, S</creatorcontrib><creatorcontrib>ROUISSI, K</creatorcontrib><creatorcontrib>BOUHAHA, R</creatorcontrib><creatorcontrib>BOUGATEF, K</creatorcontrib><creatorcontrib>MESSAI, Y</creatorcontrib><creatorcontrib>KHADIMALLAH, I</creatorcontrib><creatorcontrib>RAHAL, K</creatorcontrib><creatorcontrib>BEN AMMAR-ELGAAIED, A</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Nucleic Acids Abstracts</collection><jtitle>The International journal of biological markers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MARRAKCHI, R</au><au>OUERHANIL, S</au><au>BENAMMAR, S</au><au>ROUISSI, K</au><au>BOUHAHA, R</au><au>BOUGATEF, K</au><au>MESSAI, Y</au><au>KHADIMALLAH, I</au><au>RAHAL, K</au><au>BEN AMMAR-ELGAAIED, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Detection of cytokeratin 19 mRNA and CYFRA 21-1 (cytokeratin 19 fragments) in blood of Tunisian women with breast cancer</atitle><jtitle>The International journal of biological markers</jtitle><addtitle>Int J Biol Markers</addtitle><date>2008-10-01</date><risdate>2008</risdate><volume>23</volume><issue>4</issue><spage>238</spage><epage>243</epage><pages>238-243</pages><issn>0393-6155</issn><eissn>1724-6008</eissn><abstract>Cytokeratin 19 (CK19) is an acidic protein of 40 kDa that is part of the cytoskeleton of epithelial cells. It is highly expressed by all epithelial cells and represents a useful indicator of epithelial differentiation. The soluble fragment of CK19 (CYFRA 21-1) can be a useful circulating tumor marker and can be detected in the serum of cancer patients. The development of metastasis in patients with cancer of epithelial origin is due to the migration of tumor cells from the original tumor to distant organs. In order to detect micrometastasis in patients with breast cancer, we evaluated and compared CK19 gene expression using RT-PCR in blood samples collected from 80 healthy women and 80 patients with localized or metastatic breast cancer. The concentration of the soluble CK19 fragment CYFRA 21-1 was measured in serum of all study subjects by radioimmunoassay employing specific monoclonal antibodies. The relationship between the expression of this molecular marker and clinical stage, tumor differentiation and CK19 mRNA transcripts was investigated. We found that CK19 mRNA expression in blood (as a direct index of the presence of circulating tumor cells) was not correlated with CYFRA 21-1.</abstract><cop>Milano</cop><pub>Wichtig</pub><pmid>19199272</pmid><doi>10.1177/172460080802300407</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Analytical, structural and metabolic biochemistry Antigens, Neoplasm - blood Antigens, Neoplasm - genetics Biological and medical sciences Biomarkers, Tumor - blood Biomarkers, Tumor - genetics Breast Neoplasms - blood Breast Neoplasms - genetics Breast Neoplasms - pathology Breast Neoplasms - secondary Case-Control Studies Cell Line, Tumor Female Fundamental and applied biological sciences. Psychology Gene Expression Gene Expression Regulation, Neoplastic Humans Investigative techniques, diagnostic techniques (general aspects) Keratin-19 - blood Keratin-19 - genetics Keratins - blood Keratins - genetics Medical sciences Middle Aged Molecular biophysics Neoplasm Staging Prognosis RNA, Messenger - blood RNA, Messenger - genetics Sensitivity and Specificity Tunisia |
| title | Detection of cytokeratin 19 mRNA and CYFRA 21-1 (cytokeratin 19 fragments) in blood of Tunisian women with breast cancer |
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