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  • Title: Production of calcitonin, adrenocorticotropic hormone, and beta-melanocyte-stimulating hormone in tumors derived from amine precursor uptake and decarboxylation cells.
    Author: Abe K, Adachi I, Miyakawa S, Tanaka M, Yamaguchi K, Tanaka N, Kameya T, Shimosato Y.
    Journal: Cancer Res; 1977 Nov; 37(11):4190-4. PubMed ID: 20227.
    Abstract:
    The tumor production of human calcitonin (CT) was examined by radioimmunoassay, and it was found that 50 of 85 (59%) tumor tissues collected at random contained immunoreactive CT. These tumors were grouped as to whether they were derived from the amine precursor uptake and decarboxylation (APUD) series. The group that was derived from APUD cells showed appreciable amounts of CT in 30 of 31 (97%) of these tumors or in 20 of 21 (95%) when the medullary carcinomas of the thyroid were excluded. However, of the non-APUD group of tumors only 20 of 54 (37%) were found to contain CT, so that the difference between these two groups was highly significant (p less than 0.001). Of the tumors with ectopic adrenocorticotropic hormone-melanocyte-stimulating hormone production, 12 of 14 were shown to contain CT. These data indicate that CT is a common product of the APUD tumors and that tumor production of CT is often associated with that of adrenocorticotropic hormone and beta-melanocyte-stimulating hormone.
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