Searchable abstracts of presentations at key conferences in endocrinology

ea0099rc12.1 | Rapid Communications 12: Diabetes, Obesity, Metabolism and Nutrition | Part II | ECE2024

Effects of semaglutide, Peptide YY3-36 and empagliflozin on metabolic dysfunction associated fatty steatotic liver disease in diet-induced obese rats with chronic nitric oxide synthase-inhibition

Geiger Niklas , Kloock Simon , Gerner Jana , Landthaler Aisha-Nike , Nickel Alexander , Kohlhaas Michael , Geier Andreas , Fassnacht Martin , Dischinger Ulrich

Background and Aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) is a common comorbidity of obesity. In this study, we sought to determine hepatic metabolic and mitochondrial effects of the Glucagon-like Peptide-1-agonist semaglutide, the sodium-glucose linked transporter 2-inhibitor empagliflozin and Peptide YY3-36 in diet-induced obese rats with additional chronic inhibition of nitric oxide synthase via Nω-nitro-L-arginine meth...

ea0099rc12.5 | Rapid Communications 12: Diabetes, Obesity, Metabolism and Nutrition | Part II | ECE2024

Effects of antagonists of the NPY-2 receptor, semaglutide, PYY3-36, and empagliflozin on metabolic dysfunction-associated steatotic liver disease in diet-induced obese rats

Kloock Simon , Haerting Niklas , Herzog Gloria , Oertel Marie , Geiger Niklas , Geier Andreas , Nickel Alexander , Michael Kohlhaas , Fassnacht Martin , Dischinger Ulrich

Metabolic dysfunction-associated steatotic liver disease (MASLD) frequently accompanies obesity, posing a significant health concern. The Neuropeptide Y (NPY) system, a key player in energy metabolism regulation, has implications for liver health, yet the impact of NPY receptor antagonists remains largely unexplored. This study investigates the effects of antagonists targeting the NPY-2 receptor (Y2R) in comparison to known MASLD-beneficial substances.Me...

ea0099p467 | Diabetes, Obesity, Metabolism and Nutrition | ECE2024

Transcriptome of periadrenal and subcutaneous fat in patients with hyperaldosteronism in comparison to patients with non-functional adenomas

Dischinger Ulrich , G Ziegler Christian , Kagan Lisa , J Kloock Simon , Srivastava Mugdha , Rayes Nada , Bluher Matthias , Fassnacht Martin

Background: The crosstalk between the adrenal gland and different fat depots is largely unknown. As primary hyperaldosteronism leads to an increased risk of cardiovascular disease and associated pathologies (glucose intolerance, diabetes, hyperlipidemia), elucidating the interaction between aldosterone producing adenomas (APAs) and different fat depots might help to understand causality and open new diagnostic and treatment strategies.Methods: Subcutaneo...

ea0099p315 | Pituitary and Neuroendocrinology | ECE2024

Validation of baseline laboratory levels and a novel probability score in the diagnosis of patients with suspected arginine vasopressin deficiency (Central Diabetes Insipidus)

Atila Cihan , Chifu Irina , Drummond Juliana , Vogt Deborah , Fassnacht Martin , Winzeler Bettina , Refardt Julie , Christ-Crain Mirjam

Introduction: Distinguishing arginine vasopressin deficiency (AVP-D, central diabetes insipidus) from primary polydipsia (PP) is challenging. The method with the highest diagnostic accuracy, hypertonic saline-stimulated copeptin, is often limited to experienced hospitals, requires close monitoring, and may be cumbersome for patients. A standardised, validated stepwise assessment and probability score to rule out AVP-D in the initial baseline evaluation is currently lacking.</p...

ea0077oc4.5 | Adrenal and Cardiovascular | SFEBES2021

Circulating cell-free DNA-based biomarkers as a tool for disease surveillance in adrenocortical carcinoma

Smith Gabrielle , Lippert Juliane , Altieri Barbara , Elhassan Yasir , Landwehr Laura , Prete Alessandro , Appenzeller Silke , Chortis Vasileios , Steinhauer Sonja , Asia Miriam , Sutcliffe Robert , Arlt Wiebke , Fassnacht Martin , Ronchi Cristina

Adrenocortical carcinoma (ACC) is a rare aggressive cancer with heterogeneous behaviour. Disease surveillance relies on frequent imaging, which comes with significant radiation exposure. Here we investigated the role of circulating cell-free DNA (ccfDNA) in ACC monitoring. We extracted ccfDNA from 1-4 ml EDTA-plasma using the Nonacus Cell3TMXtract or the Qiagen QIAamp MinElute kit and quantified by fluorimeter. We investigated 63 patients with ACC (25M/38F, 52±...

ea0077op2.3 | Adrenal and Cardiovascular | SFEBES2021

PLK1 inhibitors as a new targeted treatment for adrenocortical carcinoma

Warmington Emily , Smith Gabrielle , Chortis Vasileios , Khan Sana , Lippert Juliane , Hantel Constanze , Liang Raimunde , Kiseljak-Vassiliades Katja , Wierman Margaret , Altieri Barbara , Fassnacht Martin , Foster Paul , Ronchi Cristina

Adrenocortical carcinoma (ACC) is an aggressive malignancy with limited treatment options. We identified polo-like kinase 1 (PLK1) as one of the most overexpressed genes and potential drug target in ACC. PLK1 inhibitors (PLK1i) are under evaluation in clinical trials for other malignancies, being more effective in TP53-mutated tumours. Here we test PLK1i efficacy in four ACC cell lines with different genetic background. Efficacy of three PLK1i (i.e. Volaserti...

ea0081yi2 | Young Investigator Awards | ECE2022

Single-nuclei transcriptome of adult human adrenal glands reveals novel insights into molecular mechanisms intrinsic to adrenocortical tumourigenesis and cortisol secretion

Altieri Barbara , Secener Ali Kerim , Sai Somesh , Fischer Cornelius , Sbiera Silviu , Arampatzi Panagiota , Vitcetz Sarah , Braeuning Caroline , Sauer Sascha , Fassnacht Martin , Ronchi Cristina

Background: Molecular mechanisms underlying the pathogenesis of adrenocortical adenomas (ACAs) and autonomous cortisol secretion remains frequently unexplained despite previous comprehensive genomics studies.Aim: To gain novel insights into molecular pathogenesis of adrenocortical tumours by investigating transcriptome profiles of ACAs at single-nuclei resolution (snRNA-Seq), using adult human normal adrenal glands (NAGs) as reference.<p class="abste...

ea0081p387 | Endocrine-Related Cancer | ECE2022

Prognostic role of targeted methylation analysis in formalin-fixed paraffin-embedded samples of adrenocortical carcinoma

Lippert Juliane , Altieri Barbara , Morrison Breanna , Steinhauer Sonja , Smith Gabrielle , Lorey Antonia , Hanna Urlaub , Kircher Stefan , Sitch Alice J , Fassnacht Martin , Ronchi Cristina

Adrenocortical carcinoma (ACC) is a rare and aggressive endocrine neoplasia with heterogeneous molecular background and clinical outcome. Previous studies identified hypermethylation in specific genes to be associated with poor prognosis. Here, we aimed to investigate the role of methylation pattern for prognostic stratification of patients with ACC as compared to clinical parameters, using methods easily applicable in clinical routine. We investigated a total of 237 ACCs (96 ...

ea0090oc6.4 | Oral Communications 6: Endocrine-related Cancer | ECE2023

CAR-T cell therapy exerts effective antitumor efficacy under immunosuppressive conditions in adrenocortical carcinoma

Philipp Schauer Marc , Landwehr Laura-Sophie , Justus Weber , Altieri Barbara , Rodrigo Redundo-Frutos , Tanja Maier , Daniel Oppelt , Kroiss Matthias , Sbiera Silviu , Michael Hudecek , Fassnacht Martin

Background: Adrenocortical carcinoma (ACC) is a very rare and aggressive, endocrine malignancy with still limited treatment options. Approximately 60% of patients with ACC show endogenous glucocorticoid excess which could be one potential cause, why first clinical trials with immunotherapies, like immune checkpoint inhibitors, showed only modest results. Due to the lack of an ACC-specific antigen structure, other immunotherapeutic approaches, like specialized cancer treatments...

ea0090p175 | Reproductive and Developmental Endocrinology | ECE2023

Women with preeclampsia show altered cortico- and sex steroid profiles

Trummer Olivia , Stern Christina , Reintar Sharmaine , Tandl Veronika , Mayer-Pickel Karoline , Cervar-Zivkovic Mila , Fassnacht Martin , Kurlbaum Max , Huppertz Berthold , Fluhr Herbert , Obermayer-Pietsch Barbara

Background: Preeclampsia (PE) is a complex condition of pregnancy, associated with substantial perinatal morbidity and mortality, affecting 2% to 8% of pregnancies worldwide. Its hallmarks are high blood pressure (hypertension) and endothelial dysfunction, leading to potential end-organ injury. Affected organ systems include liver, blood, kidneys, brain and placenta. In the present study, we investigated steroid hormones such as progestagens, estrogens, androgens, and glucocor...