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Träfflista för sökning "WFRF:(Glaser Benjamin) srt2:(2020-2021)"

Sökning: WFRF:(Glaser Benjamin) > (2020-2021)

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1.
  • Neiman, Daniel, et al. (författare)
  • Multiplexing DNA methylation markers to detect circulating cell-free DNA derived from human pancreatic β cells
  • 2020
  • Ingår i: JCI Insight. - : American Society for Clinical Investigation. - 2379-3708. ; 5:14
  • Tidskriftsartikel (refereegranskat)abstract
    • It has been proposed that unmethylated insulin promoter fragments in plasma derive exclusively from β cells, reflect their recent demise, and can be used to assess β cell damage in type 1 diabetes. Herein we describe an ultrasensitive assay for detection of a β cell–specific DNA methylation signature, by simultaneous assessment of 6 DNA methylation markers, that identifies β cell DNA in mixtures containing as little as 0.03% β cell DNA (less than 1 β cell genome equivalent). Based on this assay, plasma from nondiabetic individuals (N = 218, aged 4–78 years) contained on average only 1 β cell genome equivalent/mL. As expected, cell-free DNA (cfDNA) from β cells was significantly elevated in islet transplant recipients shortly after transplantation. We also detected β cell cfDNA in a patient with KATP congenital hyperinsulinism, in which substantial β cell turnover is thought to occur. Strikingly, in contrast to previous reports, we observed no elevation of β cell–derived cfDNA in autoantibody-positive subjects at risk for type 1 diabetes (N = 32), individuals with recent-onset type 1 diabetes (<4 months, N = 92), or those with long-standing disease (>4 months, N = 38). We discuss the utility of sensitive β cell cfDNA analysis and potential explanations for the lack of a β cell cfDNA signal in type 1 diabetes.
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2.
  • Sumaila, U. Rashid, et al. (författare)
  • WTO must ban harmful fisheries subsidies
  • 2021
  • Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 374:6567, s. 544-544
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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