Corticotropin-releasing hormone, luteinizing hormone-releasing hormone, growth hormone-releasing hormone, and somatostatin-like immunoreactivities in biopsies from breast cancer patients

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Published on Wednesday, 15 March 2017

Abstract

The presence of immunoreactive adrenocorticotropin-releasing hormone (CRH), luteinizing hormone-releasing hormone (LHRH), growth hormone-releasing hormone (GHRH), and somatostatin has been investigated by immunohistochemistry in forty biopsies from breast cancer patients.

All of these hypothalamic hormones were found in about 30% of the samples, seen in the cytoplasm or in the nuclei of the tumor cells.

Positive immunostaining for the hypothalamic hormones was present in colloid, lobular, and infiltrating ductal carcinomas.

There was not a clear relationship between occurrence of staining for the hypothalamic hormones and the histologic grade of tumors or the clinical stage of the disease.

Immunoreactive LHRH was more frequently found in breast tumors with estrogen and progesterone receptors.

On the other hand, preneoplastic breast lesions expressed mainly somatostatin, while immunoreactivity was absent in normal mammary tissue.

 

 

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