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Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue
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| Zeitschriftentitel: | Clinical Cancer Research |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | Clinical Cancer Research, 11, 2005, 5, S. 1809-1814 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Association for Cancer Research (AACR)
|
| Schlagwörter: |
| author_facet |
Li, Ming Yuan, Yan-Hua Han, Yan Liu, Yue-Xiang Yan, Li Wang, Yu Gu, Jin Li, Ming Yuan, Yan-Hua Han, Yan Liu, Yue-Xiang Yan, Li Wang, Yu Gu, Jin |
|---|---|
| author |
Li, Ming Yuan, Yan-Hua Han, Yan Liu, Yue-Xiang Yan, Li Wang, Yu Gu, Jin |
| spellingShingle |
Li, Ming Yuan, Yan-Hua Han, Yan Liu, Yue-Xiang Yan, Li Wang, Yu Gu, Jin Clinical Cancer Research Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue Cancer Research Oncology |
| author_sort |
li, ming |
| spelling |
Li, Ming Yuan, Yan-Hua Han, Yan Liu, Yue-Xiang Yan, Li Wang, Yu Gu, Jin 1078-0432 1557-3265 American Association for Cancer Research (AACR) Cancer Research Oncology http://dx.doi.org/10.1158/1078-0432.ccr-04-1365 <jats:title>Abstract</jats:title> <jats:p>Purpose: Among tumor antigens identified to date, cancer-testis (CT) antigens, which are coded by CT genes, are identified as a group of highly attractive targets for cancer vaccines. This study is the first to analyze the mRNA expression and possible correlation with pathologic characteristics of multiple CT genes in a large cohort of colorectal cancer (CRC) patients.</jats:p> <jats:p>Experimental Design: The expression of 10 individual CT genes in 121 CRC and adjacent tissues were analyzed by RT-PCR method. The presence of autologous antibodies against NY-ESO-1 was examined in serum samples by ELISA. To confirm the protein expression, immunohistochemistry was done for detecting the NY-ESO-1 antigen in mRNA-positive CRC tissues.</jats:p> <jats:p>Results: The CT genes were detected with various frequencies in CRC tissue, SCP-1, 1.7%; SSX-2, 2.5%; SSX-4, 2.5%; SSX-1, 5.0%; CT10, 6.6%; NY-ESO-1, 9.9%; MAGE-1, 11.6%; LAGE-1, 15.7%; MAGE-4, 22.3%; and MAGE-3, 27.3%. In 56.2% of tumor tissues examined in this study, at least one CT gene was detected. In contrast, no CT gene expression was found in cancer adjacent tissues. Among 10 CT genes investigated, NY-ESO-1 and LAGE-1 are of particular interest because their mRNA expression in CRC was rarely reported before. In our study, NY-ESO-1 mRNA was found to express in 9.9% of the samples, and also correlated significantly with stages (P = 0.041) and local lymph node metastasis (P = 0.002). In addition, we also identified one NY-ESO-1 antibody–positive serum sample. MAGE-4 mRNA was expressed at a high frequency in tumor tissues with vessel emboli samples (P = 0.025).</jats:p> <jats:p>Conclusions: These results suggested that CT genes, especially NY-ESO-1 and LAGE-1, do express in CRC. More than 50% of the CRC patients in this study express at least one CT gene, making them eligible for CT vaccination. NY-ESO-1 gene may serve as a marker for local metastasis and advanced disease. MAGE-4 gene is significantly associated with the vessel emboli.</jats:p> Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue Clinical Cancer Research |
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American Association for Cancer Research (AACR), 2005 |
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American Association for Cancer Research (AACR), 2005 |
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1078-0432 1557-3265 |
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| title |
Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_unstemmed |
Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_full |
Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_fullStr |
Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_full_unstemmed |
Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_short |
Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_sort |
expression profile of cancer-testis genes in 121 human colorectal cancer tissue and adjacent normal tissue |
| topic |
Cancer Research Oncology |
| url |
http://dx.doi.org/10.1158/1078-0432.ccr-04-1365 |
| publishDate |
2005 |
| physical |
1809-1814 |
| description |
<jats:title>Abstract</jats:title>
<jats:p>Purpose: Among tumor antigens identified to date, cancer-testis (CT) antigens, which are coded by CT genes, are identified as a group of highly attractive targets for cancer vaccines. This study is the first to analyze the mRNA expression and possible correlation with pathologic characteristics of multiple CT genes in a large cohort of colorectal cancer (CRC) patients.</jats:p>
<jats:p>Experimental Design: The expression of 10 individual CT genes in 121 CRC and adjacent tissues were analyzed by RT-PCR method. The presence of autologous antibodies against NY-ESO-1 was examined in serum samples by ELISA. To confirm the protein expression, immunohistochemistry was done for detecting the NY-ESO-1 antigen in mRNA-positive CRC tissues.</jats:p>
<jats:p>Results: The CT genes were detected with various frequencies in CRC tissue, SCP-1, 1.7%; SSX-2, 2.5%; SSX-4, 2.5%; SSX-1, 5.0%; CT10, 6.6%; NY-ESO-1, 9.9%; MAGE-1, 11.6%; LAGE-1, 15.7%; MAGE-4, 22.3%; and MAGE-3, 27.3%. In 56.2% of tumor tissues examined in this study, at least one CT gene was detected. In contrast, no CT gene expression was found in cancer adjacent tissues. Among 10 CT genes investigated, NY-ESO-1 and LAGE-1 are of particular interest because their mRNA expression in CRC was rarely reported before. In our study, NY-ESO-1 mRNA was found to express in 9.9% of the samples, and also correlated significantly with stages (P = 0.041) and local lymph node metastasis (P = 0.002). In addition, we also identified one NY-ESO-1 antibody–positive serum sample. MAGE-4 mRNA was expressed at a high frequency in tumor tissues with vessel emboli samples (P = 0.025).</jats:p>
<jats:p>Conclusions: These results suggested that CT genes, especially NY-ESO-1 and LAGE-1, do express in CRC. More than 50% of the CRC patients in this study express at least one CT gene, making them eligible for CT vaccination. NY-ESO-1 gene may serve as a marker for local metastasis and advanced disease. MAGE-4 gene is significantly associated with the vessel emboli.</jats:p> |
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| author | Li, Ming, Yuan, Yan-Hua, Han, Yan, Liu, Yue-Xiang, Yan, Li, Wang, Yu, Gu, Jin |
| author_facet | Li, Ming, Yuan, Yan-Hua, Han, Yan, Liu, Yue-Xiang, Yan, Li, Wang, Yu, Gu, Jin, Li, Ming, Yuan, Yan-Hua, Han, Yan, Liu, Yue-Xiang, Yan, Li, Wang, Yu, Gu, Jin |
| author_sort | li, ming |
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| container_start_page | 1809 |
| container_title | Clinical Cancer Research |
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| description | <jats:title>Abstract</jats:title> <jats:p>Purpose: Among tumor antigens identified to date, cancer-testis (CT) antigens, which are coded by CT genes, are identified as a group of highly attractive targets for cancer vaccines. This study is the first to analyze the mRNA expression and possible correlation with pathologic characteristics of multiple CT genes in a large cohort of colorectal cancer (CRC) patients.</jats:p> <jats:p>Experimental Design: The expression of 10 individual CT genes in 121 CRC and adjacent tissues were analyzed by RT-PCR method. The presence of autologous antibodies against NY-ESO-1 was examined in serum samples by ELISA. To confirm the protein expression, immunohistochemistry was done for detecting the NY-ESO-1 antigen in mRNA-positive CRC tissues.</jats:p> <jats:p>Results: The CT genes were detected with various frequencies in CRC tissue, SCP-1, 1.7%; SSX-2, 2.5%; SSX-4, 2.5%; SSX-1, 5.0%; CT10, 6.6%; NY-ESO-1, 9.9%; MAGE-1, 11.6%; LAGE-1, 15.7%; MAGE-4, 22.3%; and MAGE-3, 27.3%. In 56.2% of tumor tissues examined in this study, at least one CT gene was detected. In contrast, no CT gene expression was found in cancer adjacent tissues. Among 10 CT genes investigated, NY-ESO-1 and LAGE-1 are of particular interest because their mRNA expression in CRC was rarely reported before. In our study, NY-ESO-1 mRNA was found to express in 9.9% of the samples, and also correlated significantly with stages (P = 0.041) and local lymph node metastasis (P = 0.002). In addition, we also identified one NY-ESO-1 antibody–positive serum sample. MAGE-4 mRNA was expressed at a high frequency in tumor tissues with vessel emboli samples (P = 0.025).</jats:p> <jats:p>Conclusions: These results suggested that CT genes, especially NY-ESO-1 and LAGE-1, do express in CRC. More than 50% of the CRC patients in this study express at least one CT gene, making them eligible for CT vaccination. NY-ESO-1 gene may serve as a marker for local metastasis and advanced disease. MAGE-4 gene is significantly associated with the vessel emboli.</jats:p> |
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| imprint | American Association for Cancer Research (AACR), 2005 |
| imprint_str_mv | American Association for Cancer Research (AACR), 2005 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
| issn | 1078-0432, 1557-3265 |
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| publishDate | 2005 |
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| spelling | Li, Ming Yuan, Yan-Hua Han, Yan Liu, Yue-Xiang Yan, Li Wang, Yu Gu, Jin 1078-0432 1557-3265 American Association for Cancer Research (AACR) Cancer Research Oncology http://dx.doi.org/10.1158/1078-0432.ccr-04-1365 <jats:title>Abstract</jats:title> <jats:p>Purpose: Among tumor antigens identified to date, cancer-testis (CT) antigens, which are coded by CT genes, are identified as a group of highly attractive targets for cancer vaccines. This study is the first to analyze the mRNA expression and possible correlation with pathologic characteristics of multiple CT genes in a large cohort of colorectal cancer (CRC) patients.</jats:p> <jats:p>Experimental Design: The expression of 10 individual CT genes in 121 CRC and adjacent tissues were analyzed by RT-PCR method. The presence of autologous antibodies against NY-ESO-1 was examined in serum samples by ELISA. To confirm the protein expression, immunohistochemistry was done for detecting the NY-ESO-1 antigen in mRNA-positive CRC tissues.</jats:p> <jats:p>Results: The CT genes were detected with various frequencies in CRC tissue, SCP-1, 1.7%; SSX-2, 2.5%; SSX-4, 2.5%; SSX-1, 5.0%; CT10, 6.6%; NY-ESO-1, 9.9%; MAGE-1, 11.6%; LAGE-1, 15.7%; MAGE-4, 22.3%; and MAGE-3, 27.3%. In 56.2% of tumor tissues examined in this study, at least one CT gene was detected. In contrast, no CT gene expression was found in cancer adjacent tissues. Among 10 CT genes investigated, NY-ESO-1 and LAGE-1 are of particular interest because their mRNA expression in CRC was rarely reported before. In our study, NY-ESO-1 mRNA was found to express in 9.9% of the samples, and also correlated significantly with stages (P = 0.041) and local lymph node metastasis (P = 0.002). In addition, we also identified one NY-ESO-1 antibody–positive serum sample. MAGE-4 mRNA was expressed at a high frequency in tumor tissues with vessel emboli samples (P = 0.025).</jats:p> <jats:p>Conclusions: These results suggested that CT genes, especially NY-ESO-1 and LAGE-1, do express in CRC. More than 50% of the CRC patients in this study express at least one CT gene, making them eligible for CT vaccination. NY-ESO-1 gene may serve as a marker for local metastasis and advanced disease. MAGE-4 gene is significantly associated with the vessel emboli.</jats:p> Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue Clinical Cancer Research |
| spellingShingle | Li, Ming, Yuan, Yan-Hua, Han, Yan, Liu, Yue-Xiang, Yan, Li, Wang, Yu, Gu, Jin, Clinical Cancer Research, Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue, Cancer Research, Oncology |
| title | Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_full | Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_fullStr | Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_full_unstemmed | Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_short | Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| title_sort | expression profile of cancer-testis genes in 121 human colorectal cancer tissue and adjacent normal tissue |
| title_unstemmed | Expression Profile of Cancer-Testis Genes in 121 Human Colorectal Cancer Tissue and Adjacent Normal Tissue |
| topic | Cancer Research, Oncology |
| url | http://dx.doi.org/10.1158/1078-0432.ccr-04-1365 |