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lectin/càncer de mama
L'enllaç es desa al porta-retalls
Pàgina 1 des de 406 resultats
A lectin with highly potent inhibitory activity toward breast cancer cells from edible tubers of Dioscorea opposita cv. nagaimo.
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A 70-kDa galactose-specific lectin was purified from the tubers of Dioscorea opposita cv. nagaimo. The purification involved three chromatographic steps: anion exchange chromatography on a Q-Sepharose column, FPLC-anion exchange chromatography on a Mono Q column, and FPLC-gel filtration on a
Different lectin-binding patterns in primary breast cancers and their metastases.
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The expression of glycoconjugates in primary tumors and their metastases in 18 consecutive cases of metastasized breast cancer was studied by use of lectin histochemistry. Paraffin sections were stained with a panel of seven fluorochrome-labeled lectins with defined sugar specificities. The study
Lectin histochemistry of murine WAP-T mammary cancer reveals similar glycoconjugate changes to those in human breast cancer.
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BACKGROUND
The WAP-T mouse model is an established clinically relevant model of breast cancer. Lectins have been used to study malignant progression in clinical studies. We investigated lectin binding sites to test for the clinical relevance of this model.
METHODS
Samples of the WAP-T mouse mammary
High mannose N-glycan binding lectin from Remusatia vivipara (RVL) limits cell growth, motility and invasiveness of human breast cancer cells.
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Breast cancer known for its high metastatic potential is responsible for large mortality rate amongst women; hence it is imperative to search for effective anti-metastatic molecules despite anticancer drugs. The current study describes the potential of Remusatia vivipara lectin (RVL), inducing
Reactivity of a monoclonal antibody recognizing an estrogen receptor regulated glycoprotein in relation to lectin histochemistry in breast cancer.
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We have raised monoclonal antibodies against human milk fat globule membrane antigens and previously shown that one of them, called III D 5, recognises a glycoprotein associated with estrogen receptor activity of breast cancer. In immunoblotting it was shown that the molecule in human milk
Efficacy studies of Sclerotium rolfsii lectin on breast cancer using NOD SCID mouse model.
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Expression of altered glycans such as TF, Tn, and sTn antigens has been observed in a number of carcinomas which are targeted in cancer therapy. Sclerotium rolfsii lectin (SRL) is known to recognize TF and its substituted forms. Clinical potential of SRL has been demonstrated by studying its
DNA ploidy and helix pomatia lectin binding as predictors of regional lymph node metastases and prognostic factors in breast cancer.
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This study was designed to evaluate whether DNA ploidy and/or Helix pomatia lectin (HPA) staining would be useful for predicting regional lymph node metastases and patients' prognosis in 106 patients with invasive breast cancer. The combination of DNA ploidy and HPA staining correlated better with
Expression of Tn antigen and N-acetyllactosamine residues in malignant and benign human breast tumors detected by lectins and monoclonal antibody 83D4.
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Expressions of the carcinoembryonic Tn antigen studied with VVA-B4 and GSI-A4 lectins with the monoclonal antibody 83D4 and of N-acetyllactosamine residues with ECA and LSL lectins, were examined in 54 malignant or benign human breast tumors. Positive membrane labelling with lectins and 83D4 MAb
Differential stimulation of VEGF-C production by adhesion/growth-regulatory galectins and plant lectins in human breast cancer cells.
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The present study tested the hypothesis that the production of vascular endothelial growth factor C (VEGF-C), a key lymphangiogenic factor, by human breast cancer cells can be stimulated by human lectins, using plant lectins as controls.
METHODS
The effects of human galectins and five plant lectins
Helix pomatia lectin binding pattern of brain metastases originating from breast cancers.
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The glycosylation pattern of brain metastases originating from primary breast carcinomas was investigated using Helix pomatia agglutinin (HPA), a lectin which recognises N-acetyl-galactosamine (GalNac) residues of glycoconjugates. In a previous retrospective study this lectin was shown to label only
Epididymal protein ASF is a D-galactose-specific lectin with apoptotic effect on human breast cancer cell line MCF7.
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Isolated caprine epididymal plasma glycoprotein "anti sticking factor" (ASF) interacts with caudal sperm surface in a D-galactose dependent manner. ASF acts as a Ca(2+) dependent soluble lectin principally activated in acidic pH. As a D-galactose specific lectin, it has a specific affinity for
Helix pomatia agglutinin lectin-binding oligosaccharides of aggressive breast cancer.
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Predicting long-term outcome after breast-cancer diagnosis remains problematic, particularly for patients with clinically small, axillary lymph node- negative tumours. Evidence suggests that the lectin Helix pomatia agglutinin (HPA) identifies oligosaccharides associated with poor-prognosis cancer.
Lectin-binding properties of human breast cancer cell lines and human milk with particular reference to Helix pomatia agglutinin.
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Several studies have shown binding of a variety of lectins to breast cancer cells in tissue sections. In particular, binding of the lectin from the Roman snail, Helix pomatia agglutinin (HPA), to breast cancer cells is linked with a poor prognosis. The molecular basis for lectin binding to
Association of N-acetyllactosamine with tumor progression in human breast cancer: a study using a 16 kDa chick embryo lectin.
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This study documents modifications in the expression and the cellular distribution of binding sites for a 16 kDa chick embryo lectin (CL16-BS) in breast cancer. This lectin binds preferentially to terminal and penultimate N-acetyllactosamine residues (Galbeta1-4GlcNAc). BS density and distribution,
Lectin-histochemical reactivity of sialic acid in breast cancer and its relationship to prognosis using limulus polyphemus agglutinin.
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Studies of circulating sialic acid have revealed its relationship with a variety of malignant tumors. It is not vet clear whether sialic acid could be used as a prognostic marker of breast cancer, and few studies have examined sialic acid expression in the cell membrane and cytoplasm of breast
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