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Human cytomegalovirus productively infects adrenocortical cells and induces anearly cortisol responseTrevisan, Marta ...Following our recent findings on the presence of human cytomegalovirus (HCMV) in the normal human adrenal cortex and in adrenocortical tumors, especially incortisol-secreting tumors, aim of the ... present study was to investigate the direct effects of HCMV infection on human adrenocortical cells. To this aim, both clinical isolates and laboratory strains of HCMV were used to assess the early effects of infection on human adrenocortical cell morphology, proliferation, gene expression, and steroidogenic function. Both clinical and laboratory HCMV strains could infect and replicate in primary human adrenocortical cell cultures and in adrenocortical carcinoma cell lines, leading to cytopathic changes. Most importantly, in the first hours post-infection (p.i.), adrenocortical cells showed a significant increase of cortisol and estrogen production, paralleled by up-regulation of steroidogenic acute regulatory protein and expression of steroidogenic enzymesinvolved in the last steps of adrenal steroidogenesis. This effect was probably due to HCMV immediate-early gene expression, since it was most evident in the early phases p.i. and UV-inactivated viral particles did not affect hormone production. Moreover, the effect on steroidogenesis was HCMV specific, since it was not observed after infection with herpes simplex virus.These data suggest that human adrenocortical cells are permissive to HCMV infection and acutely respond to infection with increased cortisol production. An acute glucocorticoid response is typically triggered by infections and is considered to be critical to host defense against pathogens,although, in the case of HCMV infection, it might also enhance viralreplication and reactivation from latency.Source: Journal of cellular physiology. - ISSN 0021-9541 (Vol. 221, no. 3, 2009, str. 629-641)Type of material - article, component partPublish date - 2009Language - englishCOBISS.SI-ID - 26513881
Author
Trevisan, Marta |
Matkovič, Urška, 1979- |
Cusinato, Riccardo |
Toppo, Stefano |
Palù, Giorgio |
Barzon, Luisa
Topics
Cytomegalovirus Infections |
Cytomegalovirus |
Adrenal Cortex Diseases |
Hydrocortisone |
Oligonucleotide Probes |
Aminoglutethimide |
Pharmacology |
Cell Line |
Cell Survival |
Cytopathogenic Effect, Viral |
Estradiol |
Metabolism |
Fibroblasts |
Drug Effects |
Virology |
Gene Expression |
Genetics |
Herpesvirus 1, Human |
Growth And Development |
Virus Replication |
Kinetics |
Phosphoproteins |
Genetics |
Metabolism |
Tumor Cells, Cultured |
Viral Envelope Proteins |
Metabolism |
Viral Matrix Proteins |
Metabolism |
Viral Proteins |
Metabolism |
Apoptosis |
Oligonukleotidne sonde |
Nadledvična žleza, skorja, bolezni |
Citomegalovirusne infekcije |
Hidrokortizon |
Citomegalovirus |
Celična linija |
Estradiol |
Aminoglutetimid |
Fosfoproteini |
Celica, preživetje |
Gensko izražanje |
Virusne beljakovine |
Citopatogenost virusov |
Fibroblasti |
Kinetika |
Virusna ovojnica, beljakovine |
Herpesvirus 1 človeški |
Virus, podvojevanje |
Tumorske celične kulture |
Virusne, matriksne beljakovine |
Apoptoza
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Trevisan, Marta | ![]() |
Matkovič, Urška, 1979- | 31530 |
Cusinato, Riccardo | ![]() |
Toppo, Stefano | ![]() |
Palù, Giorgio | ![]() |
Barzon, Luisa | ![]() |
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