Endocrine Abstracts

Background: Ferroptosis is an emerging form of regulated necrotic cell death characterized by excessive lipid peroxidation. Adrenocortical carcinoma (ACC) cells have been shown to be highly susceptible to ferroptosis caused by active steroid hormone synthesis. While therapeutic activation of ferroptosis has been proposed as a novel treatment strategy, its impact on the tumor immune microenvironment (TIME) remains elusive. Macrophages are an important TIME component and modulat...

Background: Patients affected by gastroenteropancreatic-neuroendocrine tumors (GEP-NETs) present an increased risk of bone fragility due to several factors, such as bone metastases, vitamin D deficiency, hormonal secretion, medical and surgical treatments. Although patients with well-differentiated GEP-NETs generally present a long life-expectancy, occurrence of fragility fractures could significantly impair quality of life.Objectives: The study aims to ...

Background: Adrenocortical carcinoma (ACC) is a rare cancer for which available systemic treatments, mitotane ± etoposide, doxorubicin and cisplatin (EDP-M), have limited efficacy.Objectives: Here, we strengthen the effect of progesterone (Pg) on metastatic ACC cell lines, studying whether it could influence growth, invasiveness, and metastasis formation. Additionally, we investigate if the Pg analogue megestrol-acetate administered with EDP-M could...

Background: Immune checkpoint therapy response rate in adrenocortical carcinoma (ACC) is only ~15%. Glucocorticoid (GC) secretion is present in ~60% of tumours, associated with adverse outcome and has been associated with an immunologically cold tumoural microenvironment. On the other hand, activation of the Wnt/ß-Catenin pathway has been suggested to contribute to reduced immune infiltration.Aims: First, we aim to improve the understanding of cellu...

Background: Adrenocortical carcinoma (ACC) is one of the most aggressive endocrine malignancies. The Fibroblast Growth Factor/Fibroblast Growth Factor Receptor (FGF/FGFR) pathway plays a role in both embryogenesis and tumorigenesis of adrenal gland. Our group demonstrated that FGFR1-4 were upregulated in ACCs and that their high expression was significantly associated with worse prognosis, suggesting that they are potentially interesting therapeutic targets.<p class="abste...

# These authors contributed equallyIntroduction: Adrenocortical carcinoma (ACC) is a rare and aggressive endocrine malignancy with poor prognosis and limited treatment options. In addition, ACC is characterized by endogenous glucocorticoid (GC) excess in 60% of cases which is hypothesized to be one reason, why first clinical trials evaluating the potency of immune checkpoint blockade showed only modest results. Here, we report the identificati...

Background: Adrenal lipid poor adenoma (LPA) and adrenocortical cancer (ACC) may overlap in computerized tomography (CT). Radiomics recently emerged as new tool for malignant behavior identification.Aim: To assess radiomics utility for identification of ACC and LPA in adrenocortical masses with unenhanced (UE) CT scan attenuation≥10 Hounsfield Unit (HU).Methods: We retrospectively enrolled 50 patients, 38 radiologically defin...