Endocrine Abstracts

Introduction: Parasellar extension of macroprolactinomas defined on imaging criteria was reported to be an independent predictor of hormonal resistance to dopamine agonists (DA).Methods: Two hundred and twelve patients with macroprolactinomas (87 M/125 F), treated with DA for 5 years median period; prolactin (fluoroimmunoassay or chemiluminescence), CT scan and/or MRI with contrast agents were performed; maximum diameter evolution was reported.<p cla...

At implantation, the ability of an embryo to successfully attach to the luminal epithelium is dependent on the receptive phenotype the endometrium must acquire. This spatially and temporally restricted period of uterine receptivity is defined by endometrial molecular adaptations, highly regulated by embryonic-derived signals and ovarian steroids. Critical to this isthe expression of adhesivemoleculesintegrins and osteopontin (OPN) at the foetal-maternal interface which facilit...

Integrins are cell-extracellular matrix adhesion molecules considered functionally related to the development of cancer metastasis. Starting from the dataset of mRNA-seq of papillary thyroid carcinoma (PTC) from the TCGA, we determined the expression of fibronectin 1 (FN1) and fibronectin-binding integrins in PTC. We then analyzed the association of the expression of these two genes with the driver genes, the stage of the disease and its outcome. 355 PTCs and 58 normal thyroid...

Osteogenesis imperfecta (OI) is a heritable skeletal disorder caused by defective bone formation. OI type V (MIM#:614757) develops due to mutation in the IFITM. Mutation c.-14C >T in the IFITM5 is more common whereas only five reported patientshave a c.119C >T mutation. Patients with IFITM5:c.119C >T mutation usually have low-traumatic fractures in the prenatal period of development, severe limb and chest deformities, short height, verteb...

T3 and T4 rapidly activate intracellular signalling cascades via thyroid hormone receptor (TR)-independent actions, suggesting the existence of a plasma membrane receptor. Recent studies support a role for the RGD recognition site of integrin, a transmembrane glycoprotein, as a cell surface TR. We have demonstrated, using PCR and Western blotting, the expression of integrin αVβ3 mRNA and protein in the transformed human osteosarcoma cell line MG...

Background: Women with polycystic ovary syndrome (PCOS) may have increased cardiovascular (CV) risk but the mechanisms are unclear. Microparticles (MP), small circulating vesicles released from platelets, monocytes and endothelial cells, are elevated in patients with CV disease, and may increase CV risk through altered cell content and/or increased surface exposure of procoagulant phosphatidylserine (PS).Aims: To compare MP characteristics between women ...

Aim: An international expert committee, after considering data on association of HbA1c and retinopathy, recommended that diabetes be diagnosed when HbA1c is more than 48 mmol/mol (>6.5%), provided this assay is done in a standardized laboratory. However, the performance of HbA1c in detecting diabetes in the Korean population remains unknown. The purpose of this study was to evaluate the efficiency of HbA1c in diagnosing diabetes and to identify the optimal threshold in the...

To identify genes causing hypercalciuria, we screened male offspring of C57BL/6J male mice mutagenised by N-ethyl-N-nitrosourea (ENU) for this abnormality. Mice were kept in accordance with UK Home Office welfare guidelines and project licence restrictions. Metabolic cage studies were performed to collect 24-hour urine samples, and this revealed one mouse with hypercalciuria (Hcalc1). Inheritance testing demonstrated that Hcalc1 was inherited as an autosomal domi...

Aims: GH deficiency (GHD) is associated with increased cardiovascular events. We aimed to evaluate cardiac, arterial, and endothelial function, by conventional and 2D speckle tracking echocardiography (STE), and biomarkers (proBNP and troponin I), in GHD patients by comparison with normal individuals with similar cardiovascular risk profile.The study included 52 GHD patients (46.9±15.6, 36 males), free of cardiovascular disease, severe hypertension ...

Rajesh Thakker is the May Professor of Medicine at the University of Oxford, UK. He received his medical degree from the University of Cambridge in 1980, and from 1981 to 1988 he undertook postgraduate clinical and research training at The Middlesex Hospital, The Hammersmith (Royal Postgraduate Medical School, RPMS), Hospital, and Northwick Park (MRC Clinical Research Centre) Hospital (London). In 1988, he was appoint...