Document Detail

Anti-phospholipid antibody mediated fetal loss: still an open question from a pathogenic point of view.
MedLine Citation:
PMID:  20353987     Owner:  NLM     Status:  MEDLINE    
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.
P L Meroni; F Tedesco; M Locati; A Vecchi; N Di Simone; B Acaia; S S Pierangeli; M O Borghi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Lupus     Volume:  19     ISSN:  1477-0962     ISO Abbreviation:  Lupus     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-03-31     Completed Date:  2010-06-30     Revised Date:  2010-09-01    
Medline Journal Info:
Nlm Unique ID:  9204265     Medline TA:  Lupus     Country:  England    
Other Details:
Languages:  eng     Pagination:  453-6     Citation Subset:  IM    
Division of Rheumatology, Istituto G Pini, Department of Internal Medicine, University of Milan, IRCCS Istituto Auxologico Italiano, Milan Italy.
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MeSH Terms
Abortion, Habitual / etiology,  immunology*
Antibodies, Antiphospholipid / immunology*
Antiphospholipid Syndrome / complications,  immunology
Cell Membrane / immunology
Complement Activation / immunology
Inflammation / etiology,  immunology
Neutrophil Infiltration / immunology
Pregnancy Complications / etiology,  immunology*
Thrombosis / etiology,  immunology
beta 2-Glycoprotein I / immunology
Reg. No./Substance:
0/Antibodies, Antiphospholipid; 0/beta 2-Glycoprotein I

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