Searchable abstracts of presentations at key conferences in endocrinology

ea0084ps2-08-75 | Thyroid Cancer BASIC | ETA2022

PD-L1 and MCL-1 markers and the relationship with prognostic characteristics of differentiated thyroid carcinoma

Engelbrecht Zantut Wittmann Denise , Siqueira Barreto Icleia , Carolina Laus Ana , Moreno Daniel , Moma Camila , Maia Frederico , Vera Montalli Assumpcao Ligia , Reis Rui

Objectives: MCL-1 and PD-L1 proteins are related to carcinogenesis mechanisms in differentiated thyroid carcinoma (DTC). Tumor antigens stimulate the expression of PD-1 in immune cells, which binds to PD-L1 of tumor cells, inducing immune escape from the tumor. MCL-1, an anti-apoptotic member of the BCL-2 family and has a high oncogenic potential. The relationship of these markers with prognosis in DTC remains unknown. We aim to evaluate the clinical utility of immunohistochem...

ea0084ps2-08-76 | Thyroid Cancer BASIC | ETA2022

Double mutation of the TERT promoter in extremely aggressive papillary thyroid carcinoma

Engelbrecht Zantut Wittmann Denise , Carolina Laus Ana , Moreno Daniel , Siqueira Barreto Icleia , Moma Camila , Maia Frederico , Etchebehere Elba , Vera Montalli Assumpcao Ligia , Reis Rui

Objectives: BRAFV600E mutation is present in 50% of aggressive papillary thyroid carcinoma(PTC). TERT promoter (pTERT) mutations (C228T, C250T) are related to cancer growth and reduced overall- and disease-free survivals in differentiated thyroid carcinomas(DTC). We report a patient with an extremely aggressive PTC presenting in the primary lesion two pTERT mutations (C228T and C250T), and absence of BRAFV600E.<p class="abstext"...

ea0041oc7.1 | Cardiovascular endocrinology | ECE2016

Lipoprotein lipase DNA methylation: cause or consequence of metabolic disorders

Castellano-Castillo Daniel , Moreno-Indias Isabel , Queipo-Ortuno Maria Isabel , Fernandez-Garcia Jose Carlos , Alcaide-Torres Juan , Tinahones Francisco , Cardona-Diaz Fernando

Introduction: DNA methylation is one of the epigenetic mechanisms existing to regulate gene expression. It is believed that methylation of DNA is susceptible of change by environmental and nutritional factors. Thus, epigenetics provides a mechanism which may explain the etiology of some metabolic disorders and obesity.Aim: The aim of this study is to analyze the DNA methylation level of several lipoprotein lipase (LPL)-promoter-CpG island in human viscer...