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Absolute Quantifica...
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Böhmer, Jens,1981Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för pediatrik,Institute of Clinical Sciences, Department of Pediatrics
(author)
Absolute Quantification of Donor-Derived Cell-Free DNA in Pediatric and Adult Patients After Heart Transplantation: A Prospective Study.
- Article/chapterEnglish2023
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LIBRIS-ID:oai:gup.ub.gu.se/331318
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https://gup.ub.gu.se/publication/331318URI
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https://doi.org/10.3389/ti.2023.11260DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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In this prospective study we investigated a cohort after heart transplantation with a novel PCR-based approach with focus on treated rejection. Blood samples were collected coincidentally to biopsies, and both absolute levels of dd-cfDNA and donor fraction were reported using digital PCR. 52 patients (11 children and 41 adults) were enrolled (NCT03477383, clinicaltrials.gov), and 557 plasma samples were analyzed. 13 treated rejection episodes >14days after transplantation were observed in 7 patients. Donor fraction showed a median of 0.08% in the cohort and was significantly elevated during rejection (median 0.19%, p < 0.0001), using a cut-off of 0.1%, the sensitivity/specificity were 92%/56% (AUC ROC-curve: 0.78). Absolute levels of dd-cfDNA showed a median of 8.8 copies/mL and were significantly elevated during rejection (median 23, p = 0.0001). Using a cut-off of 7.5 copies/mL, the sensitivity/specificity were 92%/43% for donor fraction (AUC ROC-curve: 0.75). The results support the feasibility of this approach in analyzing dd-cfDNA after heart transplantation. The obtained values are well aligned with results from other trials. The possibility to quantify absolute levels adds important value to the differentiation between ongoing graft damage and quiescent situations.
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Wasslavik, Carina
(author)
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Andersson, Daniel
(author)
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Ståhlberg, Anders,1975Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för laboratoriemedicin,Sahlgrenska Centrum för Cancerforskning (SCCR),Wallenberg Centre for Molecular and Translational Medicine,Department of Laboratory Medicine,Sahlgrenska Center for Cancer Research (SCCR)(Swepub:gu)xsandw
(author)
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Jonsson, Marianne,1962Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine(Swepub:gu)xjmare
(author)
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Wåhlander, HåkanGothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för pediatrik,Institute of Clinical Sciences, Department of Pediatrics(Swepub:gu)xwahha
(author)
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Karason, Kristjan,1962Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xkarkr
(author)
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Sunnegårdh, Jan,1948Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för pediatrik,Institute of Clinical Sciences, Department of Pediatrics(Swepub:gu)xsunja
(author)
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Nilsson, Staffan,1956Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för laboratoriemedicin,Department of Laboratory Medicine(Swepub:gu)xnista
(author)
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Asp, Julia,1973Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för laboratoriemedicin,Department of Laboratory Medicine(Swepub:gu)xaspjd
(author)
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Dellgren, Göran,1961Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xdelgo
(author)
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Ricksten, Anne,1957Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine(Swepub:gu)xrican
(author)
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Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för pediatrik
(creator_code:org_t)
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In:Transplant international : official journal of the European Society for Organ Transplantation360934-08741432-2277
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