IMPLICATION OF THE WNT PATHWAY IN THE DIFFERENTIATION AND TRANSFORMATION OF THE THYROID CELL

Sastre-Perona A., Moya C. M., Santisteban P. Fisiopatologia Endocrina y del Sistema Nervioso, CSIC-UAM, Instituto de Investigaciones Biomedicas, Madrid, Spain Abstract Alterations of canonical and non-canonical Wnt pathways have been involved in the development of several epithelial tumours. Therefore the aim of this project was to determine the expression of different members of this pathway Read More

MODULATION OF IODIDE UPTAKE AND RETINOIC ACID RECEPTORS (RAR AND RXR) EXPRESSION BY THYROTROPIN AND RETINOIC ACID

Souza CL.E.1, Coelho M.S.2, Alves M.A.2, Takyia M.Ch.2, Nasciutti L.E.2, Carvalho P.D.1 1Instituto de Biofisica Carlos Chagas Filho, UFRJ, 2Departamento de Histologia e Embriologia, UFRJ Abstract etinoic acid (RA) has been used to reinduce iodide uptake in advanced thyroid cancer, however retinoic acid receptors regulation in thyroid cells has not been well defined. We aimed Read More

NOVEL PEPTIDE ANALOG OF THYROID PEROXIDASE EPITOPE IN AUTOIMMUNE THYROID DISEASES

Shutova I. V., Gribovskaja O.V., Tsyganova O.V., Golubovich V.P. The Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus Abstract Background: Autoimmune thyroid diseases are the most common organ-specific autoimmune diseases. Is established, those diseased as the result of immune systems response on thyroid natural proteins – thyroid peroxidase (TPO), thyreoglobulin and Read More

PREDICTION OF THE LOW-RISK PAPILLARY THYROID CANCER BY A MULTIGENE CLASSIFIER

Szpak-Ulczok S.1, Jarzab M.2, Oczko-Wojciechowska M.1, Kowalska M.1, Kowal M.1, Pfeifer A.1, Czarniecka A.3, Roskosz J.1, Handkiewicz-Junak D.1, Jarzab B.1 1Department of Nuclear Medicine and Endocrine Oncology, 2Clinical Oncology Clinic, 3Clinic of Oncological and Reconstructive Surgery, MSC Memorial Cancer Center and Institute of Oncology, Gliwice Branch Abstract Distant metastasis of papillary thyroid cancer occur in Read More

MEASUREMENT OF BASAL SERUM THYROGLOBULIN (TG) WITH ULTRASENSITIVE ASSAYS ON LEVO-THYROXINE THERAPY (LT4) IN THE FOLLOW-UP OF PATIENTS WITH DIFFERENTIATED THYROID CARCINOMA (DTC): TOO EARLY TO DISMISS THE RHTSH STIMULATION TEST

Castagna M. G., Cipri C., Tala H., Fioravanti C., Pasqui L., Sestini F., Brilli L. Belardini V., Ghezzi M., Pacini F. Department of Internal Medicine, Endocrinology, Metabolism and Biochemistry, Section of Endocrinology and Metabolism, University of Siena, Italy Abstract Recently, two different ultrasensitive serum Tg assays with low functional sensitivity (FS) (0.11 ng/ml Tg Access Read More

RAPAMYCIN TREATMENT IMPAIRS THE PROLIFERATION OF THYROID CARCINOMA CELL LINES IN AN ONCOGENE DEPENDENT MANNER

Rocha A. S.1, Blancquaert S.2, Populo H.3, Faustino A.4, Soares P.5, Roger P.6 1IRIBHM Brussels, Belgium, IPATIMUP, Porto, Portugal, 2IRIBHM, Brussels, Belgium, 3IPATIMUP Porto, Portugal, 4IPATIMUP Porto, Portugal, 5IPATIMUP Porto, Portugal, 6IRIBHM, Brussels, Belgium Abstract mTOR pathway regulates proliferation in several carcinoma models. Rapamycin is a specific inhibitor of Raptor-mTOR complex Predictors of tumour sensitivity Read More

TRANSIENT HYPOTHYROIDSM INDUCED BY SUNITINIB, AN ANTI-TUMORAL THYROSINE-KINASE SELECTIVE INHIBITOR, IS ASSOCIATED WITH OTHER ENDOCRINE DYSFUNCTIONS

Mannavola D.1, Vannucchi G.1, Covelli D.1, Coco P.2, Bertulli R.2, Casali P.2, Beck-Peccoz P.1, Fugazzola L.1 1Department of Medical Sciences, Endocrine Unit, University of Milan, IRCCS Fondazione Policlinico, MIlan, Italy, 2Department of Oncology, Istituto Nazionale dei Tumori, Milan, Italy Abstract Sunitinib is a multitarget inhibitor of tyrosine-kinases used in different human cancers with a high Read More

IMPLICATION OF MTOR IN CAMP-DEPENDENT MITOGENESIS IN THYROID CELLS

Blancquaert S.1, Wang L.2, Paternot S.1, Harris Th.2, Roger P.P.1 1IRIBHM, ULB, Campus Erasme, Brussels, Belgium, 2University of Virginia, Department of Pharmacology, USA Abstract In epithelial thyroid cells, phosphorylation of p70 S6K1 is the earliest convergence point between the distinct (co)mitogenic pathways. Whereas the general consensus is that p70 S6K1 phosphorylation is induced by the Read More

MIR-21 DEREGULATION IN THYROID CANCER

Frezzetti D.1, Guerra C.2, Barbacid M.2, Di Lauro R.3, De Vita G.4 1Biogem s.c.a r.l. Ariano Irpino, 2CNIO, Madrid, 3Stazione Zoologica Anton Dohrn Napoli, 4Dipartimento di Biologia e Patologia Cellulare e Molecolare, Universita di Napoli Federico II Abstract In cancer microRNAs are often dysregulated with their expression patterns being correlated with clinically relevant tumor characteristics. Read More

SHORT TELOMERES, HTERT GENE AMPLIFICATION AND INCREASED TELOMERASE ACTIVITY IN THE BLOOD OF FAMILIAL NON-MEDULLARY THYROID CANCER PATIENTS

Cantara S.1, Capezzone M.1, Marchisotta S.1, Busonero G.1, Filetti S.2, Pacini F.1 1Section of Endocrinology & Metabolism, Department of Internal Medicine, Endocrinology & Metabolism and Biochemistry, University of Siena, Siena, Italy, 2Department of Clinical Sciences, University of Rome, Rome, Italy Abstract Background: Differentiated non-medullary thyroid cancer (NMTC) is mostly sporadic, but the recurrence of familial Read More