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Detecting TP53 muta...
Detecting TP53 mutations in diagnostic and archival liquid-based Pap samples from ovarian cancer patients using an ultra-sensitive ddPCR method
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- Arildsen, Nicolai Skovbjerg (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Bröst- och ovarialcancer,Forskargrupper vid Lunds universitet,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Breast and Ovarian Cancer Genomics,Lund University Research Groups,Skåne University Hospital
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- Martin de la Fuente, Laura (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Bröst- och ovarialcancer,Forskargrupper vid Lunds universitet,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Breast and Ovarian Cancer Genomics,Lund University Research Groups,Skåne University Hospital
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- Måsbäck, Anna (författare)
- Skåne University Hospital
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- Malander, Susanne (författare)
- Lund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Forslund, Ola (författare)
- Lund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine,Region Skåne
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- Kannisto, Päivi (författare)
- Lund University,Lunds universitet,Obstetrik och gynekologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Obstetrics and Gynaecology (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Hedenfalk, Ingrid (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Bröst- och ovarialcancer,Forskargrupper vid Lunds universitet,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Breast and Ovarian Cancer Genomics,Lund University Research Groups
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(creator_code:org_t)
- 2019-10-29
- 2019
- Engelska.
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Ingår i: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 9:1, s. 1-8
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://www.nature.c...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- High-grade serous ovarian cancer (HGSOC) is the most common subtype of epithelial ovarian cancer and early detection is challenging. TP53 mutations are a hallmark of HGSOC and detection of these mutations in liquid-based Pap samples could provide a method for early diagnosis. Here we evaluate the use of IBSAFE, an ultra-sensitive droplet digital PCR (ddPCR) method, for detecting TP53 mutations in liquid-based Pap samples collected from fifteen women at the time of diagnosis (diagnostic samples) and/or up to seven years prior to diagnosis (archival samples). We analysed tumours for somatic TP53 mutations with next generation sequencing and were able to detect the corresponding mutations in diagnostic samples from six of eight women, while one patient harboured a germline mutation. We further detected a mutation in an archival sample obtained 20 months prior to the ovarian cancer diagnosis. The custom designed IBSAFE assays detected minor allele frequencies (MAFs) with very high assay sensitivity (MAF = 0.0068%) and were successful despite low DNA abundance (0.17-206.14 ng, median: 17.27 ng). These results provide support for further evaluation of archival liquid-based Pap samples for diagnostic purposes and demonstrate that ultra-sensitive ddPCR should be evaluated for ovarian cancer screening in high-risk groups or in the recurrent setting.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
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- art (ämneskategori)
- ref (ämneskategori)
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