Searchable abstracts of presentations at key conferences in endocrinology

ea0014p625 | (1) | ECE2007

Effect of sildenafil administration on penile hypoxia induced by cavernous neurotomy in the rat

Vignozzi Linda , Morelli Annamaria , Filippi Sandra , Barbara Vannelli Gabriella , Forti Gianni , Maggi Mario

Objectives: Radical prostatectomy is an effective therapy for men with clinically localized prostate cancer. A significant number of men develop erectile dysfunction after radical prostatectomy (PPED) due to intraoperatory cavernous nerve injury causing hypoxia and fibrosis of corpus cavernosus. We established an experimental model of bilateral cavernous neurotomy (BCN) in the rat in order to investigate whether sildenafil treatment in PPED patients could prevent penile tissue...

ea0081rc10.5 | Rapid Communications 10: Diabetes, Obesity, Metabolism and Nutrition 3 | ECE2022

GLP-1RAs and glucagon can reshape adipose differentiation in vitro by activating the “browning process”

Cantini Giulia , Trabucco Martina , Fei Laura , Propato Arianna , Guasti Daniele , Quartararo Giovanni , Maggi Mario , Mannucci Edoardo , Luconi Michaela

Obesity is associated with increased and dysfunctional white adipose tissue (WAT). Pharmacological approaches of obesity are still far from obtaining a stable weight loss. Glucagon-like peptide-1 receptor agonists (GLP-1RAs) have been proposed as anti-obesity drugs due to their effects on weight loss. Furthermore, dual agonists engaging both GLP-1 and glucagon are currently under investigation for their marked effects on weight loss, although their mechanisms of action is stil...

ea0063oc5.2 | Adrenal 1 | ECE2019

Pheochromocytoma aggressiveness induced by tumor microenvironment depends on the SDH subunit involved

Martinelli Serena , Riverso Maria , Mello Tommaso , De Filpo Giuseppina , Canu Letizia , Maggi Mario , Mannelli Massimo , Rapizzi Elena

Pheochromocytoma/paraganglioma (Pheo/PGL) are rare neuroendocrine tumors generally benign. About 30–40% of Pheo/PGL are due to germ-line mutations in one of the susceptibility genes, including those encoding the succinate dehydrogenase subunits A-D (SDHA-D). Up to 80% of patients affected by SDHB mutated Pheo/PGL develop metastatic disease with no successful cure at present. In this study, we evaluated the different effect of tumor microenvironment on tu...

ea0063gp250 | Disturbances of Reproduction | ECE2019

Diagnostic potential of a ‘mouse azoospermia’ gene panel in human azoospermia: identification of novel genetic causes of meiotic arrest

Riera-Escamilla Antoni , Enguita-Marruedo Andrea , Moreno-Mendoza Daniel , Chianese Chiara , Ruiz-Castane Eduard , Maggi Mario , Baarends Willy , Krausz Csilla

Purpose: Non-Obstructive Azoospermia (NOA), occurring in approximately 1% of men, has an unknown etiology in the majority of cases. This study aims at evaluating the diagnostic efficiency of a gene panel contemplating all known genes associated with azoospermia in mice.Subjects and methods: Design of a ‘mouse azoospermia’ gene panel through the consultation of MGI; selection of 175 mouse azoospermia genes with human orthologues; selection of 31...

ea0063p599 | Diabetes, Obesity and Metabolism 2 | ECE2019

Testosterone restores metabolic syndrome-induced impairement in physical activity by ameliorating skeletal muscle fiber metabolism

Morelli Annamaria , Sarchielli Erica , Comeglio Paolo , Filippi Sandra , Cellai Ilaria , Guarnieri Giulia , Rastrelli Giulia , Vignozzi Linda , Maggi Mario

Background: Metabolic syndrome (MetS) is a clustering of metabolic and cardiovascular risk factors, with insulin resistance being one of the main components. In male, MetS is also associated to hypogonadotropic hypogonadism. Lifestyle modifications (e.g. physical activity) could prevent or considerably reduce MetS progression, however the ability to perform physical activity is often impaired in MetS subjects.Aim: Considering the known trophic role of T ...

ea0063p1120 | Reproductive Endocrinology 2 | ECE2019

Immunomodulatory effects of dihydrotestosterone (DHT) in rat vaginal smooth muscle cells

Maseroli Elisa , Cellai Ilaria , Corno Chiara , Filippi Sandra , Comeglio Paolo , Sarchielli Erica , Rastrelli Giulia , Morelli Annamaria , Maggi Mario , Vignozzi Linda

Pathologies of the female reproductive system, characterized by chronic pain, are frequent and it has been hypothesized that inflammation may play an essential role in their pathogenesis. It is known that androgens, including dihydrotestosterone (DHT), have shown immunomodulatory effects in experimental models of chronic inflammation. The aim of this study was to evaluate the immunomodulatory effects of DHT in smooth muscle cells (rSMCs) isolated from vagina of intact Sprague-...

ea0035p692 | Male reproduction | ECE2014

Clinical implications of measuring prolactin levels in males of infertile couples

Lotti Francesco , Corona Giovanni , Maseroli Elisa , Rossi Matteo , Silverii Antonio , Degl'Innocenti Selene , Rastrelli Giulia , Forti Gianni , Maggi Mario

Introduction: Although in females of infertile couples abnormal PRL has a definitive role in the medical flow-chart, its role in males is less clear. Animal models suggest that PRL does not play a major role in male reproduction, although its trophic action on male accessory glands was often observed. Studies in humans are scanty. We systematically evaluated possible clinical and ultrasound correlates of PRL in males of infertile couples.Methods: Out of ...

ea0035p694 | Male reproduction | ECE2014

Seminal, clinical and color-Doppler ultrasound correlations of prostatitis-like symptoms in males of infertile couples

Lotti Francesco , Corona Giovanni , Mondaini Nicola , Maseroli Elisa , Rossi Matteo , Filimberti Erminio , Noci Ivo , Forti Gianni , Maggi Mario

Introduction: ‘Prostatitis-like symptoms’ (PLS) are a cluster of bothersome conditions defined as ‘perineal and/or ejaculatory pain or discomfort and National Institutes of Health-Chronic Prostatitis Symptom Index (NIH-CPSI) pain subdomain score ≥4’ (Nickel’s criteria). PLS may originate from the prostate or from other portions of the male genital tract. Although PLS could be associated with ‘prostatitis’, they should not be confused. T...

ea0035p955 | Steroid metabolism and action | ECE2014

Testosterone supplementation and sexual function: a meta-analysis study

Corona Giovanni , Isidori Andrea M , Buvat Jaques , Aversa Antonio , Ratrelli Giulia , Hackett Geoff , Rochira Vincenzo , Lenzi Andrea , Maggi Mario

Introduction: The role of testosterone supplementation (TS) as a possible treatment for male sexual dysfunction remains questionable. The aim of the present study is to meta-analyse data evaluating the effects of TS on male sexual function and its therapeutic synergism with the use of phosphodiesterase type 5 (PDE5i).Methods: An extensive Medline Embase and Cochrane search was performed including the following words: ‘testosterone’, ‘erect...

ea0070oc1.3 | Adrenal and Cardiovascular Endocrinology | ECE2020

Tumor microenvironment adipose stem cells modulate adrenocortical carcinoma progression

Cantini Giulia , Armignacco Roberta , de Assis Goncalves Diego , Guasti Daniele , Nesi Gabriella , Romagnoli Paolo , Mannelli Massimo , Maggi Mario , Luconi Michaela

The metabolic interplay occurring between the tumor microenvironment and cancer cells may represent a potential target for novel anti-cancer approaches. Among stromal components, adipocytes and adipose precursors have been shown to actively participate in tumor progression in several solid malignancies. In adrenocortical carcinoma (ACC), a rare endocrine neoplasia with a poor prognosis, cancer cells often infiltrate the fat mass surrounding the adrenal organ, enabling a possib...