Applicability of Monoclonal Antibodies Against Estrogen and Progesterone Receptors in the Immunocytochemical Evaluation of Breast Carcinomas

  • L. Ozzello
  • C. M. DeRosa
  • D. V. Habif


The development of monoclonal antibodies against receptor proteins for estrogen (ER) and progesterone (PR) has opened a new perspective in the endocrinological evaluation of breast cancer patients. Indeed, a great deal of information can be obtained by applying these antibodies to tissue sections, including information that cannot be provided by steroid-binding assays. Of particular interest is the assessment of the percentage of receptor-positive cells in any given tumor, which can be easily evaluated in stained sections, but cannot be estimated by biochemical assays on tissue homogenates. Basic research in this field has been done on frozen sections which have proved to be quite reliable as documented by several reports presented at a recent symposium on Estrogen Receptor Determination with Monoclonal Antibodies (Cancer Res. Suppl. 46: 4231–4314, 1986). However, for the purpose of using immunocytochemistry for the practical assessment of the ER and PR status of breast cancer patients it should be realized that tissue for frozen sections is not always available and for this reason it is important to be able to apply these techniques to paraffin embedded tissues or to cytological preparations.


Freeze Section Paraffin Section Positive Nucleus Infiltrate Ductal Carcinoma H222 Antibody 
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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • L. Ozzello
    • 1
  • C. M. DeRosa
    • 1
  • D. V. Habif
    • 1
  1. 1.Arthur Purdy Stout Laboratory of Surgical Pathology and Department of Surgery College of Physicians and SurgeonsColumbia UniversityNew YorkUSA

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