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Context
Adrenal tumours belong to one of the most prevalent neoplasms. It is a heterogeneous group with different aetiology, clinical manifestation and prognosis. Its histopathologic diagnosis is difficult and identification of differentiation markers for tumorigenesis is extremely valuable for diagnosis.
Design
To assess ghrelin expression and the relationship among ghrelin, IGF2 and the clinicopathological...
VSNL1 encodes the calcium-sensor protein visinin-like 1 and was identified previously as an upregulated gene in a sample set of aldosterone-producing adenomas. Recently, by means of microarray studies we demonstrated high expression of Vsnl1 gene in rat adrenal zona glomerulosa (ZG). Only scanty data are available on the role of this gene in adrenal function as well as on regulation of its expression...
Enucleation-induced rapid proliferation of adrenocortical cells and restoration of adrenals structure requires formation of new blood vessels. The performed studies aimed to select from around 30,000 transcripts, identified by means of Affymetrix ® Rat Gene 1.1 ST Array, the genes involved in angiogenesis in the course of enucleation-induced adrenal regeneration and to characterize their expression...
Production of n-octanoyl-modified ghrelin (GHREL), an active form of the peptide requires prohormone processing protease and GHREL O-acyltransferase (GOAT), as well as n-octanoic acid. Recently a selective GOAT antagonist (GO-CoA-Tat) was invented and this tool was used to study the possible role of endogenous GHREL in regulating HPA axis function in the rat. Administration of GOAT inhibitor (GOATi)...
Adiponectin (ADN) is a regulatory peptide secreted mostly by adipose tissue and acting via two receptors: AdipoR1 and AdipoR2. Our aim was to investigate expression of adiponectin system genes in the rat adrenal gland as well as its ontogenetic and physiological control. Furthermore, we examined the effects of acute and prolonged activation of HPA axis on ADN system in adipose tissue. By means of...
Spexin (SPX, also called NPQ) is a recently identified, highly conserved peptide which is processed and secreted. We analysed the SPX gene and its protein product in the rat adrenal gland to ascertain whether SPX is involved in the regulation of corticosteroid secretion of and growth of adrenocortical cells. In adult rat adrenal glands the highest levels of SPX mRNA were present in the glomerulosa...
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