2020
DOI: 10.1111/bjh.16419
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Maternal antibodies against paternal class I human leukocyte antigens are not associated with foetal and neonatal alloimmune thrombocytopenia

Abstract: The causative role of maternal, anti-human leukocyte antigen (anti-HLA) class I antibodies in foetal and neonatal alloimmune thrombocytopenia (FNAIT) remains controversial. Furthermore, in FNAIT cases caused by anti-human platelet antigen-1a (anti-HPA-1a) antibodies, the possible additive effect of maternal anti-HLA class I antibodies on outcomes is unclear. Among 817 mother-father-neonate trios of suspected FNAIT, we assessed the possible association of maternal anti-HLA class I antibodies with neonatal plate… Show more

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Cited by 15 publications
(23 citation statements)
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“…This is in accordance with the results in a recent retrospective study from Germany. 22 However, regression analyses indicate that there may be an increased risk of FNAIT in nulliparous pregnancies. More surprisingly, our data also indicate that these antibodies may have a possible protective effect among secundiparous pregnancies.…”
Section: Discussionmentioning
confidence: 99%
“…This is in accordance with the results in a recent retrospective study from Germany. 22 However, regression analyses indicate that there may be an increased risk of FNAIT in nulliparous pregnancies. More surprisingly, our data also indicate that these antibodies may have a possible protective effect among secundiparous pregnancies.…”
Section: Discussionmentioning
confidence: 99%
“…Aus bislang ungeklärten Gründen werden klinisch apparente Fälle einer FNAIT häufiger bei männlichen Feten/ Neugeborenen diagnostiziert [12,13].…”
Section: Postnatale Studien Zur Fnait-inzidenzunclassified
“…An dem aktiven Transportprozess ist der neonatale Fc-Rezeptor (FcRn) beteiligt, der in Synzytiotrophoblastzellen exprimiert ist und unter sauren endosomalen pH-Bedingungen eine hohe Affinität für den Fc-Teil der IgG-Antikörper entwickelt. Nach Transfer der Endosomen an die fetale Seite des Synzytiotrophoblasten wird das IgG-Molekül unter physiologischen pH-Bedingungen aus einem FcRn-Dimer in die fetale Zirkulation entlassen (Review in [30] [12,37]). Nach der Geburt werden Anti-HLA-Antikörperin Abhängigkeit von der Sensitivität der Nachweismethodebei bis zu 50 % der Wöchnerinnen nachgewiesen.…”
Section: Plazentarer Immunglobulintransport In Die Fetale Zirkulationunclassified
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