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High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients
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| Zeitschriftentitel: | Clinical Cancer Research |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Clinical Cancer Research, 25, 2019, 17, S. 5301-5314 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Association for Cancer Research (AACR)
|
| Schlagwörter: |
| author_facet |
Chen, Justin Haanpää, Maria K. Gruber, Joshua J. Jäger, Natalie Ford, James M. Snyder, Michael P. Chen, Justin Haanpää, Maria K. Gruber, Joshua J. Jäger, Natalie Ford, James M. Snyder, Michael P. |
|---|---|
| author |
Chen, Justin Haanpää, Maria K. Gruber, Joshua J. Jäger, Natalie Ford, James M. Snyder, Michael P. |
| spellingShingle |
Chen, Justin Haanpää, Maria K. Gruber, Joshua J. Jäger, Natalie Ford, James M. Snyder, Michael P. Clinical Cancer Research High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients Cancer Research Oncology |
| author_sort |
chen, justin |
| spelling |
Chen, Justin Haanpää, Maria K. Gruber, Joshua J. Jäger, Natalie Ford, James M. Snyder, Michael P. 1078-0432 1557-3265 American Association for Cancer Research (AACR) Cancer Research Oncology http://dx.doi.org/10.1158/1078-0432.ccr-18-2423 <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Purpose:</jats:title> <jats:p>Understanding and explaining hereditary predisposition to cancer has focused on the genetic etiology of the disease. However, mutations in known genes associated with breast cancer, such as BRCA1 and BRCA2, account for less than 25% of familial cases of breast cancer. Recently, specific epigenetic modifications at BRCA1 have been shown to promote hereditary breast cancer, but the broader potential for epigenetic contribution to hereditary breast cancer is not yet well understood.</jats:p> </jats:sec> <jats:sec> <jats:title>Experimental Design:</jats:title> <jats:p>We examined DNA methylation through deep bisulfite sequencing of CpG islands and known promoter or regulatory regions in peripheral blood DNA from 99 patients with familial or early-onset breast or ovarian cancer, 6 unaffected BRCA mutation carriers, and 49 unaffected controls.</jats:p> </jats:sec> <jats:sec> <jats:title>Results:</jats:title> <jats:p>In 9% of patients, we observed altered methylation in the promoter regions of genes known to be involved in cancer, including hypermethylation at the tumor suppressor PTEN and hypomethylation at the proto-oncogene TEX14. These alterations occur in the form of allelic methylation that span up to hundreds of base pairs in length.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions:</jats:title> <jats:p>Our observations suggest a broader role for DNA methylation in early-onset, familial risk breast cancer. Further studies are warranted to clarify these mechanisms and the benefits of DNA methylation screening for early risk prediction of familial cancers.</jats:p> </jats:sec> High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients Clinical Cancer Research |
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10.1158/1078-0432.ccr-18-2423 |
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American Association for Cancer Research (AACR), 2019 |
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American Association for Cancer Research (AACR), 2019 |
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1078-0432 1557-3265 |
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| title |
High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_unstemmed |
High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_full |
High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_fullStr |
High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_full_unstemmed |
High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_short |
High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_sort |
high-resolution bisulfite-sequencing of peripheral blood dna methylation in early-onset and familial risk breast cancer patients |
| topic |
Cancer Research Oncology |
| url |
http://dx.doi.org/10.1158/1078-0432.ccr-18-2423 |
| publishDate |
2019 |
| physical |
5301-5314 |
| description |
<jats:title>Abstract</jats:title>
<jats:sec>
<jats:title>Purpose:</jats:title>
<jats:p>Understanding and explaining hereditary predisposition to cancer has focused on the genetic etiology of the disease. However, mutations in known genes associated with breast cancer, such as BRCA1 and BRCA2, account for less than 25% of familial cases of breast cancer. Recently, specific epigenetic modifications at BRCA1 have been shown to promote hereditary breast cancer, but the broader potential for epigenetic contribution to hereditary breast cancer is not yet well understood.</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Experimental Design:</jats:title>
<jats:p>We examined DNA methylation through deep bisulfite sequencing of CpG islands and known promoter or regulatory regions in peripheral blood DNA from 99 patients with familial or early-onset breast or ovarian cancer, 6 unaffected BRCA mutation carriers, and 49 unaffected controls.</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Results:</jats:title>
<jats:p>In 9% of patients, we observed altered methylation in the promoter regions of genes known to be involved in cancer, including hypermethylation at the tumor suppressor PTEN and hypomethylation at the proto-oncogene TEX14. These alterations occur in the form of allelic methylation that span up to hundreds of base pairs in length.</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Conclusions:</jats:title>
<jats:p>Our observations suggest a broader role for DNA methylation in early-onset, familial risk breast cancer. Further studies are warranted to clarify these mechanisms and the benefits of DNA methylation screening for early risk prediction of familial cancers.</jats:p>
</jats:sec> |
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| author | Chen, Justin, Haanpää, Maria K., Gruber, Joshua J., Jäger, Natalie, Ford, James M., Snyder, Michael P. |
| author_facet | Chen, Justin, Haanpää, Maria K., Gruber, Joshua J., Jäger, Natalie, Ford, James M., Snyder, Michael P., Chen, Justin, Haanpää, Maria K., Gruber, Joshua J., Jäger, Natalie, Ford, James M., Snyder, Michael P. |
| author_sort | chen, justin |
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| description | <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Purpose:</jats:title> <jats:p>Understanding and explaining hereditary predisposition to cancer has focused on the genetic etiology of the disease. However, mutations in known genes associated with breast cancer, such as BRCA1 and BRCA2, account for less than 25% of familial cases of breast cancer. Recently, specific epigenetic modifications at BRCA1 have been shown to promote hereditary breast cancer, but the broader potential for epigenetic contribution to hereditary breast cancer is not yet well understood.</jats:p> </jats:sec> <jats:sec> <jats:title>Experimental Design:</jats:title> <jats:p>We examined DNA methylation through deep bisulfite sequencing of CpG islands and known promoter or regulatory regions in peripheral blood DNA from 99 patients with familial or early-onset breast or ovarian cancer, 6 unaffected BRCA mutation carriers, and 49 unaffected controls.</jats:p> </jats:sec> <jats:sec> <jats:title>Results:</jats:title> <jats:p>In 9% of patients, we observed altered methylation in the promoter regions of genes known to be involved in cancer, including hypermethylation at the tumor suppressor PTEN and hypomethylation at the proto-oncogene TEX14. These alterations occur in the form of allelic methylation that span up to hundreds of base pairs in length.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions:</jats:title> <jats:p>Our observations suggest a broader role for DNA methylation in early-onset, familial risk breast cancer. Further studies are warranted to clarify these mechanisms and the benefits of DNA methylation screening for early risk prediction of familial cancers.</jats:p> </jats:sec> |
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| imprint_str_mv | American Association for Cancer Research (AACR), 2019 |
| institution | DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14 |
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| spelling | Chen, Justin Haanpää, Maria K. Gruber, Joshua J. Jäger, Natalie Ford, James M. Snyder, Michael P. 1078-0432 1557-3265 American Association for Cancer Research (AACR) Cancer Research Oncology http://dx.doi.org/10.1158/1078-0432.ccr-18-2423 <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Purpose:</jats:title> <jats:p>Understanding and explaining hereditary predisposition to cancer has focused on the genetic etiology of the disease. However, mutations in known genes associated with breast cancer, such as BRCA1 and BRCA2, account for less than 25% of familial cases of breast cancer. Recently, specific epigenetic modifications at BRCA1 have been shown to promote hereditary breast cancer, but the broader potential for epigenetic contribution to hereditary breast cancer is not yet well understood.</jats:p> </jats:sec> <jats:sec> <jats:title>Experimental Design:</jats:title> <jats:p>We examined DNA methylation through deep bisulfite sequencing of CpG islands and known promoter or regulatory regions in peripheral blood DNA from 99 patients with familial or early-onset breast or ovarian cancer, 6 unaffected BRCA mutation carriers, and 49 unaffected controls.</jats:p> </jats:sec> <jats:sec> <jats:title>Results:</jats:title> <jats:p>In 9% of patients, we observed altered methylation in the promoter regions of genes known to be involved in cancer, including hypermethylation at the tumor suppressor PTEN and hypomethylation at the proto-oncogene TEX14. These alterations occur in the form of allelic methylation that span up to hundreds of base pairs in length.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions:</jats:title> <jats:p>Our observations suggest a broader role for DNA methylation in early-onset, familial risk breast cancer. Further studies are warranted to clarify these mechanisms and the benefits of DNA methylation screening for early risk prediction of familial cancers.</jats:p> </jats:sec> High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients Clinical Cancer Research |
| spellingShingle | Chen, Justin, Haanpää, Maria K., Gruber, Joshua J., Jäger, Natalie, Ford, James M., Snyder, Michael P., Clinical Cancer Research, High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients, Cancer Research, Oncology |
| title | High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_full | High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_fullStr | High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_full_unstemmed | High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_short | High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| title_sort | high-resolution bisulfite-sequencing of peripheral blood dna methylation in early-onset and familial risk breast cancer patients |
| title_unstemmed | High-Resolution Bisulfite-Sequencing of Peripheral Blood DNA Methylation in Early-Onset and Familial Risk Breast Cancer Patients |
| topic | Cancer Research, Oncology |
| url | http://dx.doi.org/10.1158/1078-0432.ccr-18-2423 |