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Assessment is made of the presence or absence of specific sugar receptors (lectins) in patients operated for intrapulmonary metastases of osteogenic sarcoma. Investigations were carried out on histochemically stained paraffin sections for the separate types of sugars. Highest was the presence of
Adhesion and inhibition experiments with pulmonary cells of BALB/c-mouse origin and syngeneic sarcoma L-1 cells indicated that L-fucose specific lectin-like adhesion molecules, presumably situated on pulmonary cell surfaces are (at least partly) responsible for the specificity of this cell-cell
Lectin binding patterns in ten mouse malignant fibrous histiocytoma (MFH)-like sarcomas containing eosinophilic globule (EG) cells and in granular metrial gland (GMG) cells of mouse placenta were stained with nine lectins (Con A, LCA, WGA, DBA, SBA, e-PHA, PNA, RCA-I and UEA-I) by an
The binding of Ricinus communis lectins to HeLa cells, Sarcoma 180 ascites tumor cells and human erythrocytes was studied in detail. Scatchard plots of binding of 125I-lectins to these cells gave biphasic lines except for HeLa cells at 0 degree C. The association constants of lectins for the three
BACKGROUND
Mistletoe (Viscum album L) extracts (ME) are widespread as immunomodulatory therapeutic agents in alternative tumor treatment. Assessing the often-controversial clinical results is rather difficult since the effects of ME on the immune system cannot be equally reproduced. Mistletoe
Schinus terebinthifolia Raddi leaves have been used in folk medicine due to several properties, including antitumor and analgesic effects. The variable efficacy and adverse effects of analgesic drugs have motivated the search for novel antinociceptive agents. It has been reported that Schinus terebinthifolia Raddi is a plant broadly used in folk medicine and the use of its leaf extract as an antitumor agent has been reported.To evaluate the antitumor potential and the toxicity of saline extract (SE) and lectin (SteLL) from S. OBJECTIVE
To study preventive effect of cytotoxic lectin from Bacillus subtilis B-7025 on the tumor growth and nonspecific immunity in sarcoma 37 transplanted mice.
METHODS
Sarcoma 37 cells were transplanted in Balb/c mice. Cytotoxic lectin (CL) was isolated from cultural fluid of B.subtilis strain
Two lectins isolated from the mushroom Tricholoma mongolicum stimulated the production of nitrite ions by macrophages in normal and tumor-bearing mice. Both lectins exhibited negligible mitogenic activity toward T-cells or splenocytes from normal mice in vitro when compared with Con A. Similarly,
Sarcoma and normal tissue plasma membrane lectin-reactive glycoproteins were analyzed by sodium dodecyl sulfate polyacrylamide gel electrophoresis. Two peanut agglutinin-reactive N-acetylgalactosamine-containing glycoproteins of 1.05 x 10(6) and 1.25 x 10(5) Da and one lentil agglutinin-reactive
OBJECTIVE
The aim of our study is to investigate the in vitro effects of plant lectins, galectins and neoglycoconjugates on the proliferation of three human sarcoma cell lines.
METHODS
Proliferation was assessed by means of the tetrazolium derivative reduction (MTT) assay. In addition,
Glycopeptides and endogly cosidase-digested oligosaccharides from [3H]mannose-labeled Rous sarcoma virus and Sinbis virus have been fractionated by lentil lectin-Sepharose and concanavalin A-agarose affinity chromatography and subsequently analyzed by BioGel P-4 gel filtration. Only a specific
A human sarcoma, Ewing's sarcoma, contains activities of endogenous lectins. Fractionation of salt and detergent extracts by affinity chromatography on columns with immobilized sugars or glycoproteins results in the pattern of endogenous lectins for alpha- and beta-galactosides, alpha-mannosyl- and
Plasma membranes isolated from two immunogenic, non-cross-protecting, MC sarcomas were shown to retain the specific rejection antigens of whole cells as well as serologically detected H-2 antigens. Solubilization of the membranes with sodium deoxycholate gave quantitative release of H-2 and retained
Transformation of BHK21/C13 cells by the hamster sarcoma virus induces dramatic modifications of glycans of the N-acetyllactosaminic type from fibronectin secreted in the culture medium. In fact, the ratio tri + tetraantennary glycans/biantennary glycans increases from 0.73 to 2.46. Moreover, the