<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Agostinis, Chiara</style></author><author><style face="normal" font="default" size="100%">Durigutto, Paolo</style></author><author><style face="normal" font="default" size="100%">Sblattero, Daniele</style></author><author><style face="normal" font="default" size="100%">Borghi, Maria O</style></author><author><style face="normal" font="default" size="100%">Grossi, Claudia</style></author><author><style face="normal" font="default" size="100%">Guida, Filomena</style></author><author><style face="normal" font="default" size="100%">Bulla, Roberta</style></author><author><style face="normal" font="default" size="100%">Macor, Paolo</style></author><author><style face="normal" font="default" size="100%">Pregnolato, Francesca</style></author><author><style face="normal" font="default" size="100%">Meroni, Pier Luigi</style></author><author><style face="normal" font="default" size="100%">Tedesco, Francesco</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A non-complement-fixing antibody to β2 glycoprotein I as a novel therapy for antiphospholipid syndrome.</style></title><secondary-title><style face="normal" font="default" size="100%">Blood</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Blood</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Abortion, Spontaneous</style></keyword><keyword><style  face="normal" font="default" size="100%">Animals</style></keyword><keyword><style  face="normal" font="default" size="100%">Antibodies, Monoclonal</style></keyword><keyword><style  face="normal" font="default" size="100%">Antiphospholipid Syndrome</style></keyword><keyword><style  face="normal" font="default" size="100%">Autoantigens</style></keyword><keyword><style  face="normal" font="default" size="100%">beta 2-Glycoprotein I</style></keyword><keyword><style  face="normal" font="default" size="100%">Complement Activation</style></keyword><keyword><style  face="normal" font="default" size="100%">Complement System Proteins</style></keyword><keyword><style  face="normal" font="default" size="100%">Human Umbilical Vein Endothelial Cells</style></keyword><keyword><style  face="normal" font="default" size="100%">Humans</style></keyword><keyword><style  face="normal" font="default" size="100%">Immunoglobulin G</style></keyword><keyword><style  face="normal" font="default" size="100%">Male</style></keyword><keyword><style  face="normal" font="default" size="100%">Mice</style></keyword><keyword><style  face="normal" font="default" size="100%">Protein Binding</style></keyword><keyword><style  face="normal" font="default" size="100%">Rats</style></keyword><keyword><style  face="normal" font="default" size="100%">Recombinant Proteins</style></keyword><keyword><style  face="normal" font="default" size="100%">Single-Chain Antibodies</style></keyword><keyword><style  face="normal" font="default" size="100%">Thrombosis</style></keyword><keyword><style  face="normal" font="default" size="100%">Trophoblasts</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2014</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2014 May 29</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">123</style></volume><pages><style face="normal" font="default" size="100%">3478-87</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;A single-chain fragment variable (scFv) recognizing β2-glycoprotein 1 (β2GPI) from humans and other species was isolated from a human phage display library and engineered to contain an IgG1 hinge-CH2-CH3 domain. The scFv-Fc directed against β2GPI domain I-induced thrombosis and fetal loss, thus mimicking the effect of antibodies from patients with antiphospholipid syndrome (APS). Complement is involved in the biological effect of anti-β2GPI scFv-Fc, as demonstrated by its ability to promote in vitro and in vivo complement deposition and the failure to induce vascular thrombosis in C6-deficient rats and fetal loss in C5-depleted mice. A critical role for complement was also supported by the inability of the CH2-deleted scFv-Fc to cause vessel occlusion and pregnancy failure. This antibody prevented the pathological effects of anti-β2GPI antibodies from APS patients and displaced β2GPI-bound patient antibodies. The CH2-deleted antibody represents an innovative approach potentially useful to treat APS patients refractory to standard therapy.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">22</style></issue><custom1><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/24642748?dopt=Abstract</style></custom1></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Agostinis, Chiara</style></author><author><style face="normal" font="default" size="100%">Biffi, Stefania</style></author><author><style face="normal" font="default" size="100%">Garrovo, Chiara</style></author><author><style face="normal" font="default" size="100%">Durigutto, Paolo</style></author><author><style face="normal" font="default" size="100%">Lorenzon, Andrea</style></author><author><style face="normal" font="default" size="100%">Bek, Alpan</style></author><author><style face="normal" font="default" size="100%">Bulla, Roberta</style></author><author><style face="normal" font="default" size="100%">Grossi, Claudia</style></author><author><style face="normal" font="default" size="100%">Borghi, Maria O</style></author><author><style face="normal" font="default" size="100%">Meroni, Pierluigi</style></author><author><style face="normal" font="default" size="100%">Tedesco, Francesco</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">In vivo distribution of β2 glycoprotein I under various pathophysiologic conditions.</style></title><secondary-title><style face="normal" font="default" size="100%">Blood</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Blood</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Animals</style></keyword><keyword><style  face="normal" font="default" size="100%">beta 2-Glycoprotein I</style></keyword><keyword><style  face="normal" font="default" size="100%">Complement C1q</style></keyword><keyword><style  face="normal" font="default" size="100%">Complement C3</style></keyword><keyword><style  face="normal" font="default" size="100%">Complement C9</style></keyword><keyword><style  face="normal" font="default" size="100%">Endothelial Cells</style></keyword><keyword><style  face="normal" font="default" size="100%">Endothelium, Vascular</style></keyword><keyword><style  face="normal" font="default" size="100%">Female</style></keyword><keyword><style  face="normal" font="default" size="100%">Fetal Death</style></keyword><keyword><style  face="normal" font="default" size="100%">Humans</style></keyword><keyword><style  face="normal" font="default" size="100%">Mice</style></keyword><keyword><style  face="normal" font="default" size="100%">Mice, Inbred BALB C</style></keyword><keyword><style  face="normal" font="default" size="100%">Pregnancy</style></keyword><keyword><style  face="normal" font="default" size="100%">Trophoblasts</style></keyword><keyword><style  face="normal" font="default" size="100%">Uterus</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2011 Oct 13</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">118</style></volume><pages><style face="normal" font="default" size="100%">4231-8</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;In vitro studies have documented β2 glycoprotein I (β2GPI) binding to endothelial cells (ECs) and trophoblast using antiphospholipid antibodies. The in vivo binding of β2GPI to these cells and the conditions that favor their interaction have not been investigated. We analyzed the in vivo distribution of cyanine 5.5-labeled β2GPI in mice and evaluated the effect of pregnancy and circulating antibodies on its tissue localization. The signal was detected in the liver by whole body scan and ex vivo analysis. The β2GPI failed to bind to the vascular endothelium and reacted only with the ECs of uterine vessels. In pregnant mice the protein was localized on ECs and trophoblast at the embryo implantation sites. Immunized mice showed a similar β2GPI biodistribution to naive mice but the immunized pregnant animals exhibited a significant increase in fetal loss associated with C3 and C9 deposition at the implantation sites. Treatment of mice with LPS after β2GPI-Cy5.5 injection promoted protein localization on gut and brain ECs associated with IgG, C1q, and C9 deposition in immunized mice. These findings indicate that β2GPI binding to EC requires priming with pro-inflammatory factors which is not needed for uterine and placental localization probably dependent on hormonal changes.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">15</style></issue><custom1><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/21791419?dopt=Abstract</style></custom1></record></records></xml>