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. 1978 Mar;75(3):1524–1528. doi: 10.1073/pnas.75.3.1524

Detection of viral proteins in mouse mammary tumors by immunoperoxidase staining of paraffin sections.

I Keydar, R Mesa-Tejada, M Ramanarayanan, T Ohno, C Fenoglio, R Hu, S Spiegelman
PMCID: PMC411505  PMID: 206904

Abstract

An indirect immunoperoxidase method is described, which can readily detect viral antigens in paraffin sections of primary, transplanted, and metastatic mammary tumors of mice. In addition to having the obvious advantage of not being limited to fresh specimens, immunoperoxidase staining of paraffin sections proved to be superior in many respects when compared with immunofluorescence and frozen sections. Immunoperoxidase staining of paraffin sections is permanent and provides the kind of histological detail required for precise cytological identification and localization with light microscopy. All of 25 tumors and 4 metastatic lesions showed evidence of glycoprotein gp52 as well as other mouse mammary tumor viral antigens. The pattern and intensity of the stain were related to the degree of histologic differentiation of the tumor. Wide variations in expression of viral antigens by individual malignant cells were observed within the same tumor.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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