Lectin histochemistry of murine WAP-T mammary cancer reveals similar glycoconjugate changes to those in human breast cancer

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. Samples of the WAP-T mouse mammary tissues, from norma...

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Bibliographic Details
Published in:Anticancer research 2014-12, Vol.34 (12), p.7045-7053
Main Authors: Schreiber, Steffen, Gocht, Andreas, Wegwitz, Florian, Deppert, Wolfgang, Schumacher, Udo
Format: Article
Language:English
Subjects:
Animals
Binding Sites
Breast Neoplasms - metabolism
Breast Neoplasms - pathology
Coloring Agents
Female
Glycoconjugates
Humans
Hyperplasia
Lectins - metabolism
Mammary Neoplasms, Animal - metabolism
Mammary Neoplasms, Animal - pathology
Mannose-Binding Lectins - metabolism
Mice
Neoplasm Grading
Phytohemagglutinins - metabolism
Plant Lectins - metabolism
Protein Binding
Ribosome Inactivating Proteins - metabolism
Staining and Labeling
Tumor Cells, Cultured
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Summary: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. Samples of the WAP-T mouse mammary tissues, from normal tissues to undifferentiated higher tumor grades were stained using an indirect technique with nine different lectins for intensity of lectin binding. HPA bound to the luminal epithelium in higher tumor grades in a similar pattern to that in human breast cancer. BSA-IB4 bound to luminal epithelium in hyperplasia and increased towards higher grades, comparable to previous clinical studies. PHA-L-binding to myoepithelium and luminal epithelium increased from hyperplasia to higher grades, comparable to findings in human breast cancer. The results of our study support the hypothesis that lectin binding sites change similarly in WAP-T and human breast cancer, stressing the similarity of this model with the clinical setting.
ISSN:1791-7530