Whole blood mRNA in prostate cancer reveals a four-gene androgen regulated panel
© 2016 Society for Endocrinology..
Due to increased sensitivity, the expression of circulating nucleotides is rapidly gaining popularity in cancer diagnosis. Whole blood mRNA has been used in studies on a number of cancers, most notably two separate studies that used whole blood mRNA to define non-overlapping signatures of prostate cancer that has become castration independent. Prostate cancer is known to rely on androgens for initial growth, and there is increasing evidence on the importance of the androgen axis in advanced disease. Using whole blood mRNA samples from patients with prostate cancer, we have identified the four-gene panel of FAM129A, MME, KRT7 and SOD2 in circulating mRNA that are differentially expressed in a discovery cohort of metastatic samples. Validation of these genes at the mRNA and protein level was undertaken in additional cohorts defined by risk of relapse following surgery and hormone status. All the four genes were downregulated at the mRNA level in the circulation and in primary tissue, but this was not always reflected in tissue protein expression. MME demonstrated significant differences in the hormone cohorts, whereas FAM129A is downregulated at the mRNA level but is raised at the protein level in tumours. Using published ChIP-seq data, we have demonstrated that this may be due to AR binding at the FAM129A and MME loci in multiple cell lines. These data suggest that whole blood mRNA of androgen-regulated genes has the potential to be used for diagnosis and monitoring of prostate cancer.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:23 |
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| Enthalten in: |
Endocrine-related cancer - 23(2016), 10 vom: 06. Okt., Seite 797-812 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Thomas, Benjamin C [VerfasserIn] |
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| Links: |
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| Themen: |
Androgen receptor |
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| Anmerkungen: |
Date Completed 29.12.2017 Date Revised 10.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1530/ERC-16-0287 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a © 2016 Society for Endocrinology. | ||
| 520 | |a Due to increased sensitivity, the expression of circulating nucleotides is rapidly gaining popularity in cancer diagnosis. Whole blood mRNA has been used in studies on a number of cancers, most notably two separate studies that used whole blood mRNA to define non-overlapping signatures of prostate cancer that has become castration independent. Prostate cancer is known to rely on androgens for initial growth, and there is increasing evidence on the importance of the androgen axis in advanced disease. Using whole blood mRNA samples from patients with prostate cancer, we have identified the four-gene panel of FAM129A, MME, KRT7 and SOD2 in circulating mRNA that are differentially expressed in a discovery cohort of metastatic samples. Validation of these genes at the mRNA and protein level was undertaken in additional cohorts defined by risk of relapse following surgery and hormone status. All the four genes were downregulated at the mRNA level in the circulation and in primary tissue, but this was not always reflected in tissue protein expression. MME demonstrated significant differences in the hormone cohorts, whereas FAM129A is downregulated at the mRNA level but is raised at the protein level in tumours. Using published ChIP-seq data, we have demonstrated that this may be due to AR binding at the FAM129A and MME loci in multiple cell lines. These data suggest that whole blood mRNA of androgen-regulated genes has the potential to be used for diagnosis and monitoring of prostate cancer | ||
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| 700 | 1 | |a Menon, Suraj |e verfasserin |4 aut | |
| 700 | 1 | |a Vowler, Sarah L |e verfasserin |4 aut | |
| 700 | 1 | |a Dawson, Sarah N |e verfasserin |4 aut | |
| 700 | 1 | |a Bucklow, Laura J |e verfasserin |4 aut | |
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| 700 | 1 | |a Massie, Charlie E |e verfasserin |4 aut | |
| 700 | 1 | |a Pugh, Michelle |e verfasserin |4 aut | |
| 700 | 1 | |a Warren, Anne Y |e verfasserin |4 aut | |
| 700 | 1 | |a Barker, Peter |e verfasserin |4 aut | |
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| 700 | 1 | |a Whitaker, Hayley C |e verfasserin |4 aut | |
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