Glucagon-like-peptide-1 receptor expression in normal and diseased human thyroid and pancreas.

Waser, Beatrice; Blank, Annika; Karamitopoulou, Evanthia; Perren, Aurel; Reubi, Jean-Claude (2014). Glucagon-like-peptide-1 receptor expression in normal and diseased human thyroid and pancreas. Modern pathology, 28(3), pp. 391-402. Nature Publishing Group 10.1038/modpathol.2014.113

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Glucagon-like-peptide-1 (GLP1) analogs may induce thyroid or pancreatic diseases in animals, raising questions about their use in diabetic patients. There is, however, controversy regarding expression of GLP1 receptors (GLP1R) in human normal and diseased thyroid and pancreas. Here, 221 human thyroid and pancreas samples were analyzed for GLP1R immunohistochemistry and compared with quantitative in vitro GLP1R autoradiography. Neither normal nor hyperplastic human thyroids containing parafollicular C cells express GLP1R with either method. Papillary thyroid cancer do not, and medullary thyroid carcinomas rarely express GLP1R. Insulin- and somatostatin-producing cells in the normal pancreas express a high density of GLP1R, whereas acinar cells express them in low amounts. Ductal epithelial cells do not express GLP1R. All benign insulinomas express high densities of GLP1R, whereas malignant insulinomas rarely express them. All ductal pancreatic carcinomas are GLP1R negative, whereas 6/20 PanIN 1/2 and 0/12 PanIN 3 express GLP1R. Therefore, normal thyroid, including normal and hyperplastic C cells, or papillary thyroid cancer are not targets for GLP1 analogs in humans. Conversely, all pancreatic insulin- and somatostatin-producing cells are physiological GLP1 targets, as well as most acini. As normal ductal epithelial cells or PanIN 3 or ductal pancreatic carcinomas do not express GLP1R, it seems unlikely that GLP1R is related to neoplastic transformation in pancreas. GLP1R-positive medullary thyroid carcinomas and all benign insulinomas are candidates for in vivo GLP1R targeting.Modern Pathology advance online publication, 12 September 2014; doi:10.1038/modpathol.2014.113.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Service Sector > Institute of Pathology
04 Faculty of Medicine > Service Sector > Institute of Pathology > Clinical Pathology

UniBE Contributor:

Waser, Beatrice, Blank, Annika, Karamitopoulou Diamantis, Evanthia, Perren, Aurel, Reubi-Kattenbusch, Jean-Claude


500 Science > 570 Life sciences; biology
600 Technology > 610 Medicine & health




Nature Publishing Group




Doris Haefelin

Date Deposited:

23 Jan 2015 14:09

Last Modified:

02 Mar 2023 23:25

Publisher DOI:


PubMed ID:





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