Herpes simplex virus type 2 modulates the susceptibility of human bladder cells to uropathogenic bacteria.

Abstract:

:The present study analyses the susceptibility of human bladder-derived cells (HT-1376) to the infection by herpes simplex virus type 2 (HSV-2) and Chlamydia trachomatis, as well as to the adhesiveness of uropathogenic bacteria. HT-1376 cells were efficiently infected by HSV-2 strain 333, as demonstrated by immunofluorescence staining of viral antigens, titration of cytopathic effect, and visualisation by transmission electron microscopy. This cell model was also prone to C. trachomatis (serovar E, Bour strain) replication and to the adherence of clinical uropathogenic isolates of Escherichia coli, Pseudomonas aeruginosa, Proteus vulgaris and Enterococcus faecalis. The pre-infection of HT-1376 cells with HSV-2 caused a tenfold increased adherence of an E. coli strain (U1), isolated from a patient affected by severe haemorrhagic cystitis, whereas in HSV-2 pre-infected cells the number of C. trachomatis inclusion bodies was significantly reduced. Our findings indicate that these cells are a suitable in vitro model for studying infection and super-infection of the lower urinary tract by viruses and bacteria.

journal_name

Med Microbiol Immunol

authors

Superti F,Longhi C,Di Biase AM,Tinari A,Marchetti M,Pisani S,Gallinelli C,Chiarini F,Seganti L

doi

10.1007/s004300100067

keywords:

subject

Has Abstract

pub_date

2001-09-01 00:00:00

pages

201-8

issue

4

eissn

0300-8584

issn

1432-1831

journal_volume

189

pub_type

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