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galactosamine/leeder
Link salvestatakse lõikelauale
Leht 1 alates 16 tulemused
[A method of selective histochemical analysis of sialoglycoproteins using lectins from elder (Sambucus nigra L.)].
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Logi sisse
Good potentialities in application of elderberry (Sambucus nigra L.) bark lectin for selective histochemical identification of sialylated glycoconjugates has been demonstrated using lectin-peroxidase technique. In order to omit this lectin binding to D-galactose and N-acetyl-D-galactosamine
Characterization of a new non-toxic two-chain ribosome-inactivating protein and a structurally-related lectin from rhizomes of dwarf elder (Sambucus ebulus L.).
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Logi sisse
A new N-glycosidase ribosome-inactivating protein (RIP) belonging to the novel family of the nontoxic type 2 RIPs from Sambucaceae has been isolated from rhizomes of dwarf elder (Sambucus ebulus L.) and named ebulin r. Dwarf elder rhizomes also contain a novel monomeric N-Ac-galactosamine-binding
Isolation and characterization of a new d-galactose-binding lectin from Sambucus racemosa L.
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Logi sisse
A new acidic lectin from red elder (Sambucus racemosa L.) bark has been isolated by affinity chromatography and gel filtration. Noteworthy, and in contrast to other Sambucus species, red elder bark lacks acidic non-toxic type 2 ribosome-inactivating proteins but has basic ribosome-inactivating
Isolation and characterization of glycoprotein lectins from the bark of three species of elder, Sambucus ebulus, S. nigra and S. racemosa.
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Logi sisse
Lectins have been isolated from the bark of three members of the family Caprifoliaceae, Sambucus nigra (elder), S. racemosa (red-berried elder) and S. ebulus (dwarf elder), by affinity chromatography on fetuin-agarose, ion-exchange and gel-filtration chromatography. They are all glycoproteins of M r
Effects of PGE2 and of different synthetic PGE derivatives on the glycosylation of pig gastric mucins.
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Logi sisse
The glycosylation of pig gastric mucins, discharged in response to prostaglandin (PG) E2 and to three synthetic PGE-derivatives (misoprostol, nocloprost, rioprostil) was compared. After a 20 h culture period in the absence or presence of 1 micromol/l of one of the PGs, mucins were isolated by gel
Lectinhistochemical detection of terminal carbohydrate residues in the enteric myxozoan Enteromyxum leei parasitizing gilthead seabream Sparus aurata (Pisces: Teleostei): a study using light and transmission electron microscopy.
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Logi sisse
The presence of terminal carbohydrate residues in Enteromyxum leei (Diamant, Lom et Dyková, 1994) Palenzuela, Redondo et Alvarez-Pellitero, 2002 stages in gilthead seabream intestines was studied at light microscopy (LM) and transmission electron microscopy (TEM) level using lectin histochemical
Glycoproteins from the cuticle of the Atlantic shore crab Carcinus maenas: I. Electrophoresis and Western-blot analysis by use of lectins.
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Logi sisse
The protein and glycoprotein content of four different neutral or acidic solvent extracts (0.5 M KCl, 10% EDTA, 0.1 N HCl, or 2% acetic acid) from the mineralized exoskeleton of a decapod crustacean, the Atlantic shore crab Carcinus maenas, were characterized by quantitative analysis of proteins,
Inhibitory effects of sialic acid- or N-acetylglucosamine-specific lectins on histamine release induced by compound 48/80, bradykinin and a polyethylenimine in rat peritoneal mast cells.
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Logi sisse
The effects of seven lectins with various sugar-specificities on histamine release from rat peritoneal mast cells induced by non-immunologic stimuli were studied. The non-immunologic stimuli used were three basic secretagogues, compound 48/80, bradykinin and PEI6 (polyethylenimine with a molecular
Detection of carbohydrate terminals in the enteric parasite Enteromyxum scophthalmi (Myxozoa) and possible interactions with its fish host Psetta maxima.
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Logi sisse
The existence and localisation of carbohydrate terminals in Enteromyxum scophthalmi stages was investigated at light (LM) and transmission electron microscopes (TEM) using lectin histochemistry techniques, with the aim of contributing to elucidate the participation of carbohydrate-lectin
Localization and identification of galactose/N-acetylgalactosamine and sialic acid-containing proteins in Chinese hamster metaphase chromosomes.
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Logi sisse
Four lectins were used to recognize galactose/N-acetyl-galactosamine (Gal/GalNAc) and sialic acid residues in proteins of Chinese hamster metaphase chromosomes. In situ binding pattern of a fluorescein isothiocyanate-labelled (Gal/GalNAc)-specific lectin Sophora japonica agglutinin (SJA) showed that
Characterization and distribution of sialic acids in human testicular seminoma.
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Logi sisse
Aberrant content of sialic acids (Sias) has been observed in various human cancer types in different organs. Sias have been implicated in cancerous transformation, invasiveness and metastasis, and in the escaping of cancer cells from immune surveillance. Indeed, Sias are commonly regarded as
Quantitative lectin-histochemical and immunohistochemical studies on the occurrence of alpha(2,3)- and alpha(2,6)-linked sialic acid residues in colorectal carcinomas. Relation to clinicopathologic features.
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BACKGROUND
Enhanced sialylation has been considered important for the metastatic growth of colorectal carcinomas. Using sequence- and sialic acid-specific lectins and a monoclonal antibody, the tumor-associated expression of alpha(2,3)- and alpha(2,6)-sialylated oligosaccharides was investigated.
Chemical constituents from Sambucus williamsii Hance fruits and hepatoprotective effects in mouse hepatocytes.
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Logi sisse
Chemical investigation of Chinese folk medicine Sambucus williamsii Hance has resulted in the isolation and characterisation of seventeen compounds from the n-BuOH extract of its fruits, including two new phenylethanoid glycosides and fifteen known compounds. Structures of new compounds were
Carbohydrate residues modulate the activation of coagulation factor X.
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Logi sisse
Factor X is a plasma protein involved in both the intrinsic and extrinsic pathways of blood coagulation. Post-translational modifications of the protein involve gamma-carboxylation of specific glutamic acid residues, beta-hydroxylation of one aspartic acid residue, and N- and O-linked glycosylation.
Characterization of glycans in the developmental stages of Myxobolus cerebralis (Myxozoa), the causative agent of whirling disease.
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Logi sisse
Glycans and sugar-binding molecules (lectins) form an interactive recognition system, which may enable parasitic organisms to adhere to host cells and migrate into target tissues. The aim of the present study was to analyse surface-associated glycans in the developmental stages of Myxobolus
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