Oct 1, 1989

Estrogen and progesterone receptors in meningiomas: comparison of nuclear binding, dextran-coated charcoal, and immunoperoxidase staining assays

J HalperT C Spelsberg


We studied the status of estrogen (ER) and progesterone (PR) receptors in meningiomas removed from 52 patients, comparing dextran-coated charcoal (DCC), nuclear binding (NB), and immunoperoxidase (IP) assays. Each of the assays was performed independently by investigators well-experienced with these assays. The NB assay is a new assay that measures functional steroid receptors--that is, the activation of the receptor and its binding to the nucleus. The assay is very sensitive and requires a relatively small amount of tissue as compared with the DCC assay. In agreement with data from other studies. PR were detected in most meningiomas by all 3 methods: in 69% of the cases by NB, in 76% by DCC, and in 89% by IP. ER were detected in only a few cases: in 33% by NB, in 2% by DCC, and in none by the IP assay. The agreement for PR sites was 62% for all 3 assays; it was 66% between the NB and DCC assays, 67% between the NB and IP assays, and 86% between the DCC and IP assays. Of 26 cases that were positive by the DCC assay, 6 (23%) were negative by NB. The overall agreement for all three ER assays was 65%. The data suggest that the majority of meningiomas contain high-affinity receptors for progesterone, that estrogen receptors are pre...Continue Reading

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Mentioned in this Paper

Mixed Oligoastrocytoma
Spinal Meningioma
Cell Nucleus
Progesterone [EPC]
Receptors, Steroid
Progesterone Measurement
Receptors, Progesterone

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