Endocrine Abstracts

Caloric restriction is the best known experimental procedure that extends lifespan and resistance to aging-related diseases. Part of these actions was found to be mediated by the NAD-dependent histone deacetylase Sir2/Sirt1. Resveratrol is a polyphenol found in the skin of grapes, which was identified as a Sirt1 activator and subsequently proposed as a caloric restriction mimetic. The aim of the present study was to determine how resveratrol affects the GH axis, which is centr...

Introduction: Somatostatin analogues (SSA) present the treatment of choice in patients with previously poorly controlled acromegaly.Methods: We conducted a retrospective analysis of acromegalic patients enrolled in the Network of Excellence for Neuroendocrine Tumors Munich and treated with the SSA lanreotide.Results: Fifty-six acromegalic patients (25 females; mean age 59 years; 33 with macroadenoma) switched to lanreotide from pre...

The chemotherapeutic agent temozolomide (TMZ) has been applied for the treatment of pituitary carcinomas, atypical pituitary adenomas and prolactinomas resistant to dopamine agonist treatment with considerable success. Both shrinkage of the tumors and a drop of excessive hormone production were observed in TMZ-responsive patients. In order to clarify whether the TMZ-induced suppression of hormone secretion was a consequence of tumor shrinkage or caused by direct effects on hor...

Introduction: Transsexualism associates biological normality with the conviction of belonging to the opposite sex and the gender reassignment request. The therapy includes psychological, hormonal and surgical treatment. Only limited clinical studies addressing cross-sex hormonal therapy and side effects exist.Methods: Here, we report the results of a drafted questionnaire evaluating etiological aspects and treatment outcome. The questionnaire was distrib...