Endocrine Abstracts

The aim of the present study was to compare the assessment of BMD measured either by DEXA or by QUS in patients with AI. We evaluated 40 patients with AI, who underwent an evaluation of hypothalamic-pituitary-adrenal (HPA) axis function and bone densitometry measured either by DEXA (Hologic QDR 4500 W) at lumbar spine and at femur or QUS (Achilles Express) at the right foot. Subclinical Cushing’s syndrome (SCS) was defined as abnormal response to at least 2 standard tests...

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...

Differentiated thyroid cancer (DTC) is the most common malignant neoplasm arising from the thyroid parenchymal cells. DTC incidence is steadily increasing worldwide and there are approximately 1700 new cases/per year in Poland. The biopsy with subsequent thyroid resection plays a central role in the diagnosis and treatment of this malignancy. After surgery, radioactive iodine (RAI) treatment is recommended to eradicate potential residual disease and improve prognosis. Due to t...

Background: Cardiovascular (CVS) risk factors could be present in patients with mild adrenal autonomous cortisol secretion (MACS), which could account for up to 50% of patients with adrenal adenomas. However, the most frequent CVS risk factors in MACS have not been established.Objective: The aim of the present study was to analyse the difference in CVS risk factors in patients with MACS in comparison to those with non-functioning adrenal tumour (NFAT).</...

Differentiated thyroid cancer (DTC) is the most common malignant neoplasm arising from the thyroid parenchymal cells. DTC risk stratification is a multi-stage process based on investigated histopathological features and ultrasound test outcomes combined with biochemical test results. Thus, searching for novel diagnostic indicators useful in cancer risk stratification are still needed. Recent studies revealed that oxidative and epigenetic alterations in DTC represent the signat...

Hashimoto disease, a chronic autoimmune lymphocytic thyroiditis, is the most common cause of hypothyroidism with a prevalence of 10–12% in the general population. Literature data suggests that persistently high levels of oxidative are considered as relevant risk factor in the occurrence and development of autoimmune diseases, including Hashimoto. The DNA and RNA are particularly valuable to the oxidative damage, and guanine is the most prone base to oxidation. Thus, the D...

Background: Cushing syndrome due to PPNAD is the main endocrine disorder of CNC, an autosomal dominant multiple neoplasia caused by germline inactivating mutations of the subunit type 1A (PRKAR1A) of the protein kinase A (PKA). In addition, germline inactivating mutations in the gene encoding phosphodiesterase 11A (PDE11A) have been identified in patients with PPNAD.Aim of the study: To investigate the role of PDE11A genetic alterati...

Introduction: We have previously identified (using a whole-genome large scale SNP- screening approach) germline inactivating stop codon mutations of the PDE11A4 in patients with Cushing syndrome due to micronodular adrenal hyperplasia. PDE11A4 is a cAMP/cGMP phosphodiesterase.Aim of the study: To investigate the role of PDE11A genetic alterations in a large cohort of ACT.Materials and methods: Leukocyte DNA from 117 adrenocortical ...

In the last years an increasing incidence of cardiovascular diseases (CVD) has been reported in young adults (18-45 yrs), probably accounted by the significant increase in CV risk (CVR) factors. Observational and interventional studies, mainly focused on middle-aged and elderly men, demonstrated that metabolic CVR (mCVR) factors and CVD manifestations are common in hypogonadal men and, conversely, testosterone deficiency is highly prevalent in metabolic disorders; the lack of ...

Adipose tissue is an endocrine organ releasing adipokines and expressing specific markers and intracellular mediators, which regulate whole-body energy by balancing lipid accumulation and utilization through adipogenesis, the differentiation of preadipocytes into mature adipocytes associated with gradual lipid storage, and lipogenesis, the additional lipid accumulation in mature adipocytes. Adipogenesis and lipogenesis, strongly induced by insulin, occur in white adipocytes, s...