title: Medullary thyroid carcinomas secrete a noncalcitonin peptide corresponding to the carboxyl-terminal region of preprocalcitonin.
mesh_terms: D002116:Calcitonin / Q000097:blood / Q000378:metabolism*; D002277:Carcinoma / Q000378:metabolism*; D002478:Cells, Cultured; D002845:Chromatography; D006801:Humans; D009363:Neoplasm Proteins / Q000097:blood / Q000378:metabolism*; D010418:Pentagastrin; D010446:Peptide Fragments / Q000097:blood / Q000378:metabolism*; D011498:Protein Precursors / Q000378:metabolism; D011863:Radioimmunoassay; D013964:Thyroid Neoplasms / Q000378:metabolism*; D013965:Thyroidectomy
chemical_list: D009363:Neoplasm Proteins; D010446:Peptide Fragments; D011498:Protein Precursors; C033183:preprocalcitonin; C037553:katacalcin; D002116:Calcitonin; D010418:Pentagastrin