Endocrine Abstracts

Wnt ligands are secreted proteins that bind to Frizzled receptors. During normal development Wnt signalling plays essential roles in the regulation of patterning, fate determination, and cell proliferation. In the ‘canonical’ Wnt/ß-catenin signalling pathway, binding of Wnt ligand to Frizzled and LRP5 receptors normally leads to inhibition of a ‘destruction complex’ consisting of APC/Axin/GSK-3ß/Ck1/Dvl and other factors, with subsequent accumulat...

Background: Klotho was first identified as a gene involved in aging. A recent publication identified klotho as a possible tumour suppressor in breast cancer. We have previously reported decreased expression of klotho in tumours of primary hyperparathyroidism, here we have investigated whether klotho expression is silenced by CpG methylation of the promoter region.Materials and methods: Methylation status of klotho was determined by MSP in 40 parathyroid ...

Primary hyperparathyroidism (pHPT) resulting from parathyroid tumours is a common endocrine disorder with incompletely understood etiology. In renal failure, secondary hyperparathyroidism (sHPT) occurs with multiple tumour development as a result of calcium and vitamin D regulatory disturbance.The aim of the study was to investigate whether HIC1 may act as a tumour suppressor in the parathyroid glands and whether deregulated expression involves epigeneti...