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In an effort to understand the role of IL-6/gp130 signaling in chronic liver injury, IL-6 deficient (IL-6 -/- ) and wild-type control (IL-6 +/+ ) mice were subjected to bile duct ligation (BDL) for 12 weeks. This maneuver causes chronic biomechanical stress and liver injury, fueling sustained...
Mitotic figures of fibroblasts are seen within invasive ductal carcinoma (IDC) of the breast. This suggests that the proliferative activity of fibroblasts may play an important role in IDC tumor progression. The purpose of this study was to examine whether the proliferative activity of...
Patients harboring germline BRCA2 mutations are at an increased risk of developing pancreatic cancer. We investigated the prevalence of biallelic inactivation of BRCA2 in the presumed precursors to invasive pancreatic ductal carcinomas, pancreatic intraepithelial neoplasia (PanIN). Surgical...
We have recently established a mouse model of arterial remodeling in which flow in the left common carotid artery of FVB mice was interrupted by ligation of the vessel near the carotid bifurcation, resulting in a dramatic reduction of the lumen as a consequence of a reduction in vessel diameter...
Degranulating eosinophils have been described in most endometrial cancers. We hypothesized that endometriosis (ectopic, nonneoplastic endometrial tissue) would be an appropriate model system for determining whether eosinophil degranulation is part of a specific immune response to endometrial...
It was recently demonstrated that classification of posttransplantation lymphoproliferative disorders (PT-LPDs) into morphological and molecular categories is clinically relevant. It was also reported that PT-LPD not associated with Epstein-Barr virus (EBV) had a more aggressive course than most...
Recent data have revealed the involvement of the v ß 3 integrin in angiogenesis. However, few studies to date have provided a convincing role for this receptor in in vitro assays of endothelial cell morphogenesis where defined steps can be examined. Here, we present data showing that two...
Malnutrition compromises immune function, reducing resistance to infection. We examine whether the decrease in leptin induced by starvation increases susceptibility to lipopolysaccharide (LPS)- and tumor necrosis factor (TNF)-induced lethality. In mice, fasting for 48 hours enhances sensitivity...
The dystrophin-glycoprotein complex, which comprises - and ß-dystroglycan, sarcoglycans, and utrophin/dystrophin, links the cytoskeleton to agrin and laminin in the basal lamina in muscle and epithelial cells. Recently, agrin was identified as a major heparan sulfate proteoglycan in the...
To determine whether up-regulation of AT 1 and AT 2 receptors occurred in hypertrophied myocytes after infarction and whether AT 2 played a role in stretch-mediated apoptosis, left ventricular myocytes were dissociated from the surviving portion of the wall 8 days after coronary occlusion and...
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