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Detection of herpes simplex virus Type-1 in patients with fibrotic lung diseases

Lin, Baochuan, Lasithiotaki, Ismini, Antoniou, Katerina M., Vlachava, Virginia-Maria, Karagiannis, Konstantinos, Spandidos, Demetrios A., Siafakas, Nikolaos M. and Sourvinos, George 2011. Detection of herpes simplex virus Type-1 in patients with fibrotic lung diseases. PLoS ONE 6 (12) , e27800. 10.1371/journal.pone.0027800

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Abstract

The current study intends to investigate i) the incidence of herpes viruses including Herpes Simplex Virus type-1 (HSV-1), Cytomegalovirus (CMV) and Human Herpes Virus -6, -7, -8 (HHV6, HHV7, HHV8) in two biological samples, bronchoalveolar lavage fluid (BALF) and lung tissue biopsy, in different forms of pulmonary fibrosis, and ii) the induction of molecular pathways involved in fibrosis by herpesvirus infection in primary cell cultures. PCR was employed for the detection of CMV, HHV6-8 and HSV-1 DNA in lung specimens (4 controls and 11 IPF specimens) and BALF pellet [6 controls and 20 fibrotic Idiopathic Intestitial Pneumonias (f-IIPs) samples: 13 idiopathic pulmonary fibrosis (IPF) and 7 nonspecific idiopathic interstitial pneumonia (NSIP)] samples. Among all herpesviruses tested, HSV-1 was detected in 1/11 (9%) specimens from IPF lung tissue and in 2/20 (10%) samples of f-IIPs BALF whereas the control group was negative. Primary cell cultures from BALF of patients with IPF and healthy controls were infected in vitro with wild-type HSV-1 virus and Real Time PCR was employed for the detection of gene transcription of specific axes implicated in lung fibrosis. Primary cell cultures were permissive to HSV-1, resulting in an upregulation of the fibrotic growth factors TGFβ1 and FGF, the angiogenetic markers SDF1a, SDF1b, VEGF, FGF and the regulators of tissue wound healing MMP9 and CCR7. Downregulation was noted for the CXCR4 and MMP2 genes, while a different response has been detected in healthy donors regarding the expression of the aforementioned markers. These results implicate for the first time the HSV-1 with Fibrotic Idiopathic Interstitial Pneumonias since the virus presented similar incidence in two different biological samples.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Public Library of Science
ISSN: 1932-6203
Date of First Compliant Deposit: 20 June 2017
Last Modified: 20 Jun 2017 14:00
URI: http://orca.cardiff.ac.uk/id/eprint/99983

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