dolichos/tyrosine

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Tyrosine phosphorylation following lectin mediated endothelial cell stimulation.

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Terminal alpha (1,3) galactosyl galactoside epitopes (alpha-gal) on membrane glycoproteins expressed by vascular endothelial cells represent the major xenoreactive antigens in pig to primate xenotransplantation. In other discordant xenotransplantation combinations, such as from guinea pig to rat,

Affinity purification, physicochemical and immunological characterization of a galactose-specific lectin from the seeds of Dolichos lablab (Indian lablab beans).

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A galactose-specific lectin has earlier been isolated from the seeds of Dolichos lablab in our laboratory by conventional protein purification methods. We now established conditions to bind the lectin on Sepharose-galactose gel in the presence of 1.5 M ammonium sulfate in Tris-buffered saline, pH

Purification and characterization of Dolichos lablab lectin.

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The mannose/glucose-binding Dolichos lablab lectin (designated DLL) has been purified from seeds of Dolichos lablab (hyacinth bean) to electrophoretic homogeneity by affinity chromatography on an ovalbumin-Sepharose 4B column. The purified lectin gave a single symmetric protein peak with an apparent

cDNA cloning of FRIL, a lectin from Dolichos lablab, that preserves hematopoietic progenitors in suspension culture.

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Ex vivo culture of hematopoietic stem cells is limited by the inability of cytokines to maintain primitive cells without inducing proliferation, differentiation, and subsequent loss of repopulating capacity. We identified recently in extracts of kidney bean and hyacinth bean a mannose-binding

Circular dichroism and conformational transition of Dolichos biflorus and Robinia pseudoacacia lectins.

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The conformation of the lectins from Dolichos biflorus and Robinia pseudoacacia was studied by means of circular dichroism (CD). It was found that N-acetyl-D-galactosamine induced significant changes in the near-ultraviolet CD spectrum of Dolichos lectin but was ineffective with the lectin from

Circular dichroism tests on the effect of alkali on conformation of lectins.

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The structural properties of eight lectins (agglutinins) were studied by the circular dichroism (CD) probe. The lectin from Maclura pomifera (osage orange seed) exhibited in the far-ultraviolet spectral zone a positive CD band centered at 201 nm, whereas the other lectins had positive bands at

Diphenol activation of the monophenolase and diphenolase activities of field bean (Dolichos lablab) polyphenol oxidase.

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This paper reports a study on the hydroxylation of ferulic acid and tyrosine by field bean (Dolichos lablab) polyphenol oxidase, a reaction that does not take place without the addition of catechol. A lag period similar to the characteristic lag of tyrosinase activity was observed, the length of

Purification and characterization of a proteinase inhibitor from field bean, Dolichos lablab perpureus L.

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A proteinase inhibitor resembling Bowman-Birk family inhibitors has been purified from the seeds of cultivar HA-3 of Dolichos lablab perpureus L. The protein was apparently homogeneous as judged by SDS-PAGE, PAGE, IEF, and immunodiffusion. The inhibitor had 12 mole% 1/2-cystine and a few aromatic

Chemical modification studies on the glucose/mannose specific lectins from field and lablab beans.

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Seeds of Dolichos lablab var. lignosus (field beans) and variety typicus (lablab beans) contain glucose/mannose specific lectins that have been affinity purified and well characterised (Siva Kumar N., and Rajagopal Rao, D., J.Biosci., 1986, 10, 95-109, (1) Rajasekhar et al., (Biochem.Archives. 1997,

Circular dichroism study on structural reorganization of lectins by sodium dodecyl sulfate.

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The circular dichroism (CD) spectra of lectins from Dolichos biflorus, Helix pomatia, Lotus tetragonolobus, Phaseolus vulgaris (erythroagglutinin), Pisum sativum, Sophora japonica, and Ulex europaeus I were analyzed, before and after the conformational transitions which were effected by sodium

Identification and IVC of spermatogonial stem cells in prepubertal buffaloes.

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Development of suitable selective marker for buffalo spermatogonial stem cells (SSCs), optimization of long-term IVC conditions, and their pluripotent retention capacity in buffaloes can be of prime importance in selective genetic modifications of this species. In the present study, we identified

Cytochemical characteristics of neurons in the trigeminal mesencephalic nucleus of hatchling chicks.

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The goal of the present study was to identify cytochemical markers characteristic of muscle afferents in hatchling chicks. To this end, we stained neurons in the trigeminal mesencephalic nucleus with a variety of markers that label subsets of neurons in avian dorsal root ganglia. We found that

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