نتایج جستجو برای: gags
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Contents and compositions of glycosaminoglycans in different sites of the human hip joint cartilage.
The distribution of glycosaminoglycans (GAGs) in different functional regions (weight-bearing and nonweight-bearing portions) of the human hip joint cartilage was studied. The results obtained were as follows: (1) Weight-bearing cartilage contains larger amounts of GAGs than nonweight-bearing, cartilage. (2) Weight-bearing cartilage contains keratan sulphate in higher ratio to chondroitin sulph...
Four different conjugated polymer nanoparticles (CPNs) were used to differentiate structurally similar glycosaminoglycans (GAGs) in a urine simulant. Unique emission response patterns of CPNs were analyzed by linear discriminant analysis (LDA), confirming that structurally diverse CPNs are sensitive and effective at differentiating GAGs in a complex biological medium.
Hydrophobic tropoelastin molecules aggregate in vitro in physiological conditions and form fibers very similar to natural ones (Bressan, G. M., I. Pasquali Ronchetti, C. Fornieri, F. Mattioli, I. Castellani, and D. Volpin, 1986, J. Ultrastruct. Molec. Struct. Res., 94:209-216). Similar hydrophobic interactions might be operative in in vivo fibrogenesis. Data are presented suggesting that matrix...
CXC chemokine ligand (CXCL)9, CXCL10 and CXCL11 direct chemotaxis of mainly T cells and NK cells through activation of their common CXC chemokine receptor (CXCR)3. They are inactivated upon NH₂-terminal cleavage by dipeptidyl peptidase IV/CD26. In the present study, we found that different glycosaminoglycans (GAGs) protect the CXCR3 ligands against proteolytic processing by CD26 without directl...
Glycosaminoglycans (GAGs) are linear polymers of amino sugar uronic acid disaccharides, and are generally attached to protein cores to form proteoglycans. GAGs interact with a large number of proteins and can participate in matrix organization, cell adhesion, differentiation, growth and apoptosis. Proteoglycans are expressed in tightly regulated spatio-temporal patterns during organ development...
BACKGROUND Human spermatozoa decondense in vitro upon exposure to heparin and glutathione. Glutathione is also the disulfide bond reducer in vivo, and heparan sulfate, a functional analogue of heparin, has been proposed as the protamine acceptor. The aim of this study was to evaluate the decondensing ability of chemically modified heparins and different glycosaminoglycans (GAGs) on isolated spe...
Sulfated glycosaminoglycans (GAGs) are linear polysaccharides consisting of repeating disaccharide units composed of N-acetylhexosamine and uronic acid, and exist as proteoglycans (PGs) by attaching to specific serine residues in the core protein. PGs are ubiquitously distributed on the cell surface and in the extracellular matrix and play critical roles in a variety of physiological phenomena ...
Human metapneumovirus (hMPV) is an important cause of lower respiratory tract disease, particularly in infants and young children. hMPV has two major glycoproteins, G and F, which are responsible for virus attachment and membrane fusion, respectively. We investigated the role of cellular glycosaminoglycans (GAGs) and G protein in hMPV infection. The pretreatment of hMPV with soluble heparin mar...
Macrophage binding sites for oxidized LDL (Ox-LDL) include class A scavenger receptors (SR-As), the CD-36 molecule, and an additional but hitherto unidentified binding site. Because cell-surface glycosaminoglycans (GAGs) were previously shown to be involved in the cellular uptake of native LDL and lipoprotein(a), several strategies to assess the participation of heparan sulfate (HS) and chondro...
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