Somatostatin Receptors in Normal and Tumoral Tissue
作者:
J.C. Reubi,
S.W.J. Lamberts,
R. Maurer,
期刊:
Hormone Research in Paediatrics
(Karger Available online 1988)
卷期:
Volume 29,
issue 2-3
页码: 65-69
ISSN:1663-2818
年代: 1988
DOI:10.1159/000180970
出版商: S. Karger AG
关键词: Somatostatin receptors;Tumors;Incidence;Tissue localization
数据来源: Karger
摘要:
Somatostatin receptors have been visualized with autoradiography and characterised biochemically in various somatostatin target tissues, such as brain, pituitary, pancreas and gastrointestinal tract, where they are likely to mediate the somatostatin actions. With the same methods, somatostatin receptors have been detected also in tumors originating from somatostatin target tissues: high receptor incidence is found in GH-producing pituitary adenomas as well as in some hormone-producing gastrointestinal tumors. These tumors are often highly responsive to somatostatin analogs in vivo. Among brain tumors, meningiomas usually contain a high density of receptors, suggesting a novel function for somatostatin in the human meninges. Among other human tumors tested, prostate, ovarian and endometrial carcinomas were free of receptors whereas 3 out of 39 mammary tumors contained somatostatin receptors.
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