dolichos biflorus/carbohydrate

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A comparison of the carbohydrate binding properties of two Dolichos biflorus lectins.

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The carbohydrate binding properties of the Dolichos biflorus seed lectin and DB58, a vegetative tissue lectin from this plant, were compared using two types of solid phase assays. Both lectins bind to hog blood group A + H substance covalently coupled to Sepharose 4B and this binding can be

Molecular modelling of the Dolichos biflorus seed lectin and its specific interactions with carbohydrates: alpha-D-N-acetyl-galactosamine, Forssman disaccharide and blood group A trisaccharide.

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The three-dimensional structure of Dolichos biflorus seed lectin has been constructed using five legume lectins for which high resolution crystal structures were available. The validity of the resulting model has been thoroughly investigated. Final structure optimization was conducted for the lectin

Qualitative and quantitative alterations of cell surface carbohydrate residues during epidermal morphogenesis.

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The purpose of this study was to investigate the carbohydrate residue composition of cell surface in the developing epidermis and to define the chronological sequence of its alterations in human fetuses from the 10th to the 20th weeks of gestation and at the 23rd week of gestation, using a panel of

Altered carbohydrate composition in colorectal adenomas and carcinomas: histochemical characterization of N-acetylgalactosamine, L-fucose, and o-acetylated sialic acid.

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Changes of surface sugar residues in the large intestinal mucosa may be associated with malignant transformation and may be of importance in differentiating borderline lesions. To compare these changes in normal mucosa, adenomas, and carcinomas of the large intestine, we investigated modifications

Cell surface carbohydrates in psoriasis. Defective cytoplasmic transport by glycoconjugates carrying fucose residues suggested by lectin staining.

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Eleven biopsy specimens of normal skin and twenty-four biopsy specimens of psoriatic lesions were examined histochemically by using several lectins (Ulex europaeus, UEA-1; Dolichos biflorus, DBA; Bandeirea simplicifolia, BS-I; Concanvalia ensiformis, Con A; Triticum vulgaris, WGA; Ricinus communis,

Cell surface carbohydrates and glomerular targeting of olfactory sensory neuron axons in the mouse.

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Cell surface carbohydrates have been implicated in axon guidance and targeting throughout the nervous system. We have begun to test the hypothesis that, in the olfactory system, a differential distribution of cell surface carbohydrates may influence olfactory sensory neuron (OSN) axon targeting.

Litomosoides carinii: characterization of surface carbohydrates of microfilariae and infective larvae.

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The carbohydrate moieties of microfilariae (Mf) and infective larvae (L3) have been investigated by lectin-binding technique. Mf derived from three sources, namely, uteri (in utero), released in vitro from adults and from blood of rodents infected with Litomosoides carinii were examined by using

Age-related alterations in the carbohydrate residue composition of the cell surface in the unexposed normal human epidermis.

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BACKGROUND The results of the very few histochemical studies that have been performed so far on the lectin-binding profile of normal human epidermis are mostly controversial; thus, the carbohydrate residue composition of the cell surface in the latter still remains in dispute and the possible

Histochemically demonstrable changes in cell surface carbohydrates of human germ cell tumors.

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Cell surface carbohydrate chains of human germ cell tumors were investigated histochemically using peanut agglutinin (PNA), Dolichos biflorus agglutinin (DBA), Ulex europaeus agglutinin I (UEA-1), and anti-I-(Ma) antibody. Of 16 cases of embryonal carcinoma in adult testis, peanut agglutinin, a

Carbohydrate binding properties of th Dolichos biflorus lectin and its subunits.

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Equilibrium dialysis studies on the binding of the Dolichos biflorus lectin with [14C]methyl alpha-D-GalNAc showed that the lectin has two combining sites/molecule and an intrinsic association constant at 3 degrees C of 4.2 X 10(3) liters mol-1. Binding studies on individual fractions (II, IV, and

A teratocarcinoma glycoprotein carrying a developmentally regulated carbohydrate marker is a member of the immunoglobulin gene superfamily.

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Using the lambda gt11 expression library of murine teratocarcinoma cells, we isolated cDNA clones encoding a core protein carrying a developmentally regulated carbohydrate marker, namely the binding site for Dolichos biflorus agglutinin. The deduced amino acid sequence of the polypeptide (molecular

Studies on platelet surface carbohydrates in normal and uraemic platelets using 125I-labelled lectins.

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Binding studies with six different purified 125I-labelled lectins, concanavalin A (con A), wheat germ agglutinin (WGA), Ricinus communis agglutinin II (RCA II), Dolichos biflorus (DB), Tetranolobus purpureus (TP) and P-phyto-hemagglutinin (P-PHA), were used to investigate the surface topography of

Enhancement in accessibility to macrophages by modification of mucin-type carbohydrate chains on a tumor cell line: role of a C-type lectin of macrophages.

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We investigated the role of mucin-type (O-linked) carbohydrate chains of tumor target cells in the recognition by macrophages through a Gal/GalNAc-specific calcium-dependent lectin. Binding of a soluble form of this lectin to P815 mastocytoma cells was increased by treatment with benzyl-GalNAc,

Carbohydrate profiles shown by a lectin and a monoclonal antibody correlate with metastatic potential and prognosis of human lung carcinomas.

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The expression of two carbohydrate markers--namely, 4C9 antigen, which is an Lex antigen, and the Dolichos biflorus agglutinin (DBA) binding site, which is an N-acetylgalactosamine marker--was examined histochemically in tumors and adjacent nontumorous tissues of 102 cases of human lung carcinomas.

Embigin/basigin subgroup of the immunoglobulin superfamily: different modes of expression during mouse embryogenesis and correlated expression with carbohydrate antigenic markers.

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Embigin and basigin are highly glycosylated transmembrane glycoproteins with two immunoglobulin domains and form a subgroup in the immunoglobulin superfamily. Previous studies have demonstrated the functional significance of these molecules. In the present study, in situ hybridization analysis of

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