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Hepatocyte‐derived microRNAs as serum biomarkers of hepatic injury and rejection after liver transplantation
Liver transplantation, 2012-03, Vol.18 (3), p.290-297
Farid, Waqar R. R.
Pan, Qiuwei
van der Meer, Adriaan J. P.
de Ruiter, Petra E.
Ramakrishnaiah, Vedashree
de Jonge, Jeroen
Kwekkeboom, Jaap
Janssen, Harry L. A.
Metselaar, Herold J.
Tilanus, Hugo W.
Kazemier, Geert
van der Laan, Luc J.W.
2012
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Farid, Waqar R. R.
Pan, Qiuwei
van der Meer, Adriaan J. P.
de Ruiter, Petra E.
Ramakrishnaiah, Vedashree
de Jonge, Jeroen
Kwekkeboom, Jaap
Janssen, Harry L. A.
Metselaar, Herold J.
Tilanus, Hugo W.
Kazemier, Geert
van der Laan, Luc J.W.
Titel
Hepatocyte‐derived microRNAs as serum biomarkers of hepatic injury and rejection after liver transplantation
Ist Teil von
Liver transplantation, 2012-03, Vol.18 (3), p.290-297
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2012
Quelle
MEDLINE
Beschreibungen/Notizen
Recent animal and human studies have highlighted the potential of hepatocyte‐derived microRNAs (HDmiRs) in serum as early, stable, sensitive, and specific biomarkers of liver injury. Their usefulness in human liver transplantation, however, has not been addressed. The aim of this study was to investigate serum HDmiRs as markers of hepatic injury and rejection in liver transplantation. Serum samples from healthy controls and liver transplant recipients (n = 107) and peritransplant liver allograft biopsy samples (n = 45) were analyzed via the real‐time polymerase chain reaction quantification of HDmiRs (miR‐122, miR‐148a, and miR‐194). The expression of miR‐122 and miR‐148a in liver tissue was significantly reduced with prolonged graft warm ischemia times. Conversely, the serum levels of these HDmiRs were elevated in patients with liver injury and positively correlated with aminotransferase levels. HDmiRs appear to be very sensitive because patients with normal aminotransferase values (<50 IU/L) had 6‐ to 17‐fold higher HDmiR levels in comparison with healthy controls (P < 0.005). During an episode of acute rejection, serum HDmiRs were elevated up to 20‐fold, and their levels appeared to rise earlier than aminotransferase levels. HDmiRs in serum were stable during repeated freezing and thawing. In conclusion, this study shows that liver injury is associated with the release of HDmiRs into the circulation. HDmiRs are promising candidates as early, stable, and sensitive biomarkers of rejection and hepatic injury after liver transplantation. Liver Transpl 18:290–297, 2012. © 2012 AASLD.
Sprache
Englisch
Identifikatoren
ISSN: 1527-6465
eISSN: 1527-6473
DOI: 10.1002/lt.22438
Titel-ID: cdi_proquest_miscellaneous_923951511
Format
–
Schlagworte
Acute Disease
,
Adult
,
Alanine Transaminase - blood
,
Aspartate Aminotransferases - blood
,
Biomarkers - blood
,
Female
,
Graft Rejection - blood
,
Graft Rejection - diagnosis
,
Hepatocytes - metabolism
,
Humans
,
Ischemia - blood
,
Liver - blood supply
,
Liver Diseases - blood
,
Liver Diseases - diagnosis
,
Liver Transplantation - adverse effects
,
Male
,
MicroRNAs - blood
,
Middle Aged
,
Transplantation, Homologous
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