نتایج جستجو برای: fibronectin
تعداد نتایج: 13502 فیلتر نتایج به سال:
The concentration of fibronectin was assessed in a variety of coagulation factor preparations. Highest concentrations of fibronectin were found in the intermediate purity factor VIII concentrates. Significant amounts were found in cryoprecipitate but high purity factor VIII concentrates contained only small amounts. For practical purposes factor IX concentrates contained no fibronectin. Qualita...
While stem cells can sense and respond to physical properties of their environment, the molecular aspects how physical information is translated into biochemical signals remain unknown. Here we show that human mesenchymal stem cells (hMSCs) harvest and assemble plasma fibronectin into their extracellular matrix (ECM) fibrils within 24 hours. hMSCs pro-actively pull on newly assembled fibronecti...
Fibronectin is a matrix glycoprotein which has not only been found to be over-expressed in several cancers, but has been shown to participate in several steps of tumorigenesis. The purpose of this review is to illustrate how aberrant fibronectin expression influences tumor growth, invasion, metastasis and therapy resistance. In particular, this review will focus on the interactions between cell...
Plasma fibronectin concentration was measured in neonates of 2 to 5 days of age. Although breast fed and formula fed infants were similar in demographic characteristics, the mean (SD) plasma concentration of fibronectin in 26 breast fed infants, 237 (117) mg/l, was significantly higher than in 27 formula fed infants (171 (91) mg/l). Fibronectin was detected in five colostrum specimens (mean con...
The interaction between fibronectin and Yersinia strains was studied. Wild-type Y. enterocolitica strains expressing the virulence-plasmid-encoded adhesion protein YadA adhered strongly to fibronectin-coated coverslips, while their plasmid-cured variants expressed weaker binding. The cloned yadA gene of Y. enterocolitica or Y. pseudotuberculosis conferred fibronectin-binding ability both to Esc...
OBJECTIVE Oncofetal fibronectin reactive with antibody FDC-6 has been associated with trophoblastic implantation and chorion structural stability. Abnormal release of this fibronectin into cervical and vaginal secretions has identified patients at risk for preterm labor and delivery. The aim of this study was to determine whether trophoblast-derived oncofetal fibronectin contains other novel ep...
Background. Matrix Gla protein (MGP) is a vitamin K-dependent, extracellular matrix protein. MGP is a calcification inhibitor of arteries and cartilage. However MGP is synthesized in many tissues and is especially enriched in embryonic tissues and in cancer cells. The presence of MGP in those instances does not correlate well with the calcification inhibitory role. This study explores a potenti...
Recent reports have described transformation- and tumour-specific expression of fibronectin isoforms generated by alternative splicing of the fibronectin pre-mRNA. We have investigated the expression and distribution of EDIIIA+ and EDIIIB+ fibronectin splice variants in tumorigenic and non-tumorigenic somatic cell hybrids made by fusing fibrosarcoma-derived cells (HT1080) and normal fibroblasts...
Endothelial cells in vivo form the interface between the vascular and interstitial compartments and are strategically located to mediate vascular permeability and hemostasis. One mechanism endothelial cells use to maintain a nonthrombogenic surface is to polarize basement membrane constituents to the basolateral cell surface. In the present study, we began characterization of the mechanisms use...
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