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Träfflista för sökning "WFRF:(Druid Henrik) ;lar1:(lu)"

Sökning: WFRF:(Druid Henrik) > Lunds universitet

  • Resultat 1-7 av 7
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1.
  • Bergmann, Olaf, et al. (författare)
  • Cardiomyocyte Renewal in Humans
  • 2012
  • Ingår i: Circulation Research. - 0009-7330 .- 1524-4571. ; 110:1, s. 17-18
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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2.
  • Bergmann, Olaf, et al. (författare)
  • Dynamics of Cell Generation and Turnover in the Human Heart.
  • 2015
  • Ingår i: Cell. - : Elsevier BV. - 1097-4172 .- 0092-8674. ; 161:7, s. 1566-1575
  • Tidskriftsartikel (refereegranskat)abstract
    • The contribution of cell generation to physiological heart growth and maintenance in humans has been difficult to establish and has remained controversial. We report that the full complement of cardiomyocytes is established perinataly and remains stable over the human lifespan, whereas the numbers of both endothelial and mesenchymal cells increase substantially from birth to early adulthood. Analysis of the integration of nuclear bomb test-derived (14)C revealed a high turnover rate of endothelial cells throughout life (>15% per year) and more limited renewal of mesenchymal cells (<4% per year in adulthood). Cardiomyocyte exchange is highest in early childhood and decreases gradually throughout life to <1% per year in adulthood, with similar turnover rates in the major subdivisions of the myocardium. We provide an integrated model of cell generation and turnover in the human heart. VIDEO ABSTRACT.
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3.
  • Bergmann, Olaf, et al. (författare)
  • Evidence for Cardiomyocyte Renewal in Humans
  • 2009
  • Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 1095-9203 .- 0036-8075. ; 324:5923, s. 98-102
  • Tidskriftsartikel (refereegranskat)abstract
    • It has been difficult to establish whether we are limited to the heart muscle cells we are born with or if cardiomyocytes are generated also later in life. We have taken advantage of the integration of carbon-14, generated by nuclear bomb tests during the Cold War, into DNA to establish the age of cardiomyocytes in humans. We report that cardiomyocytes renew, with a gradual decrease from 1% turning over annually at the age of 25 to 0.45% at the age of 75. Fewer than 50% of cardiomyocytes are exchanged during a normal life span. The capacity to generate cardiomyocytes in the adult human heart suggests that it may be rational to work toward the development of therapeutic strategies aimed at stimulating this process in cardiac pathologies.
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4.
  • Bergmann, Olaf, et al. (författare)
  • Turnover of Human Cardiomyocytes
  • 2008
  • Ingår i: Circulation Research. - 0009-7330. ; 103:12, s. 1494-1495
  • Konferensbidrag (refereegranskat)
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5.
  • Nordigården, Amanda, et al. (författare)
  • Irreversible pan-ERBB inhibitor canertinib elicits anti-leukaemic effects and induces the regression of FLT3-ITD transformed cells in mice
  • 2011
  • Ingår i: British Journal of Haematology. - : Blackwell Publishing. - 0007-1048 .- 1365-2141. ; 155:2, s. 198-208
  • Tidskriftsartikel (refereegranskat)abstract
    • Recent findings have indicated that tyrosine kinase inhibitors (TKIs) targeting the ERBB receptor family display anti-leukaemic effects, despite the lack of receptor expression on human leukaemic cells. The occurrence of activating mutations in the gene encoding FMS-like tyrosine kinase 3 (FLT3) in patients with acute myeloid leukaemia (AML) has rendered inhibition of this receptor a promising therapeutic target. Due to possibility of cross-reactivity, we investigated the effect of the irreversible pan-ERBB inhibitor canertinib (CI-1033) on leukaemic cells expressing FLT3. The drug had anti-proliferative and apoptotic effects on primary AML cells and human leukaemic cell lines expressing mutated FLT3. In several AML patient samples, a blast cell population expressing FLT3-internal tandem duplication (ITD) was eradicated by canertinib. Canertinib inhibited receptor autophosphorylation and kinase activity of both mutated and FLT3 ligand stimulated wildtype FLT3, leading to inhibition of the PI3-kinase and MAP kinase pathways. Apoptotic induction was dependent on pro-apoptotic BH3-only protein BCL2L11/BIM because siRNA silencing attenuated apoptosis. Moreover, the drug induced regression of cells expressing FLT3-ITD in a murine in vivo-transplantation model at previously described tolerated doses. These results indicate that canertinib, as an irreversible TKI, could constitute a novel treatment regimen in patients with mutated or overexpressed FLT3.
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7.
  • Söderberg, Carl, et al. (författare)
  • Antipsychotics - Postmortem fatal and non-fatal reference concentrations
  • 2016
  • Ingår i: Forensic Science International. - : Elsevier BV. - 0379-0738 .- 1872-6283. ; 266, s. 91-101
  • Tidskriftsartikel (refereegranskat)abstract
    • Making the diagnosis fatal intoxication is a challenging task for the forensic pathologist and toxicologist, particularly when the cases involve substances where reference information is scarce or not at all available. This study presents postmortem femoral blood concentrations for 24 antipsychotic substances, based on samples collected and analyzed from 4949 autopsy cases in Sweden during 1992-2010. In addition our study provides information about the prevalence of different antipsychotics in accidental, suicidal, homicidal and uncertain deaths.The data have been selected and evaluated according to strict inclusion and exclusion criteria as well as a manual, multi-reviewer, case-by-case evaluation. The reference information is subdivided into intoxications by one specific substance only (group A, n = 259), multi-substance intoxications (group B, n = 614) and postmortem controls, consisting of deaths not involving incapacitation by substances (group C, n = 507). Moreover, the results are compared with data based on therapeutic drug monitoring, and data collected from driving under the influence cases.Median concentrations in group A were significantly higher than in group C for all substances evaluated. For 17 of 24 substances, the median concentrations in group B were significantly higher than in group C. In general, the therapeutic drug monitoring and driving under the influence concentrations were similar to, or lower than, the concentrations in group C.
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  • Resultat 1-7 av 7

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