Anti-phospholipid antibody mediated fetal loss: still an open question from a pathogenic point of view

Nicoletta Di Simone, P. L. Meroni, F. Tedesco, M. Locati, A. Vecchi, B. Acaia, S. S. Pierangeli, M. O. Borghi

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

43 Citazioni (Scopus)

Abstract

Antiphospholipid antibodies (aPL) are associated with recurrent miscarriages and pregnancy complications, however their pathogenic mechanisms are still matter of research. Thrombotic events at the placental level cannot explain all of the clinical manifestations. It has been suggested that aPL may be responsible for a local acute inflammatory response mediated by complement activation and neutrophil infiltration eventually leading to fetal loss. However histological and immunohistological studies on human placental samples do support such a mechanism only in part and with no any clear relationship with the pregnancy outcome. A direct effect of aPL on both maternal and fetal placental tissues has been reported through the reactivity of the antibodies with beta2 glycoprotein I (beta2GPI) expressed on the cell membranes. These events do not require an inflammatory response and can be in part related to the inhibition of growth factors favouring a physiological placentation. Understanding the different pathogenic mechanisms of aPL-associated miscarriages may help in improving our therapeutic approach particularly in recurrent cases not responsive to the usual treatment.
Lingua originaleEnglish
pagine (da-a)453-456
Numero di pagine4
RivistaLupus
DOI
Stato di pubblicazionePubblicato - 2010

Keywords

  • antiphospholipid antibody
  • fetal loss

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