نتایج جستجو برای: concanavalin a
تعداد نتایج: 13431797 فیلتر نتایج به سال:
Human placenta alkaline phosphatase (HP-ALP), a glycoprotein, was stained histochemically for the purpose of examining the concanavalin A (Con A) binding sites on the cell surface. HP-ALP was bound to the cell surface by Con A. This simple method successfully detected Con A binding sites on the cell surface.
cultured lymphoblasts required physical contact with responding lymphocytes to induce transformiiation. In quantitative terms, lymphocytes incorporate as much thymidine when,mixed with irradiated cultured lymphoblasts as they (lo in response to l)hytolhenma-glutin1in. The stimulation of lymphocyte transformation by allogeneic cultured lymphoblasts did not parallel the stimulation of lymphocyte ...
Concanavalin A (Con A) concentration dependence of agglutinability of a mutant of Rous sarcoma virus which is temperature-sensitive for transformation was examined. Con A agglutinability of the virion was quantitatively expressed by measuring radioactivities of 60 to 70 S RNA extracted from Con A-agglutinated material. The mutant grown at a permissive temperature (35 degrees C) agglutinated at ...
We have demonstrated that stable Concanavalin A (Con A)-coated supramolecular nanofibers can be constructed by complexation of self-assembled mannose nanofibers with Con A. The extended multivalent Con A nanofibers bind strongly to T cell surfaces and promote T cell activation.
Peritoneal macrophages from mice injected 4 days previously with Brewer's thioglycollate medium have a pinocytic rate, in culture, of 190 ng horseradish peroxidase (HRP)/100 mug cell protein/h, compared to the rate of resident peritoneal cells of 53 ng HRP/100 mug cell protein/h. Mice injected with endotoxin or with only certain of the components of the Brewer's medium show an intermediate leve...
Binding of the chromogenic ligand p-nitrophenyl a-n-mannopyranoside to concanavalin A was studied in a stopped-flow spectrometer. Formation of the protein-ligand complex could be represented as a simple one-step process. No kinetic evidence could be obtained for a ligand-induced change in the conformation of concanavalin A, although the existence of such a conformational change was not excluded...
Equilibrium dialysis of concanavalin A against methyl c¢-D-mannopyranoside and methyl C¢-D-glucopyranoside conducted at 2 ° in the presence of I M NaC1 showed that concanavalin A is bivalent. A SCATCHARD plot of the data obtained gave straight lines for both sugars with observed association constants (K') of 1. 4. lO 4 1/mole for methyl ,¢-D-mannopyranoside and o.3" IO 4 1/mole for methyl ~¢-D-...
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