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EnglishCathelicidins are antimicrobial peptides, stored by mammalian leukocytes, showing an antimicrobial activity against bacteria, fungi, protozoa and enveloped viruses. In accordance with other authors, we reported in a previous study that the protegrin-1 (PG-1), at 80 mgmL1, inhibited the in vitro growth of Chlamydia trachomatis serovars D, H and L2; however, we observed an increased infectivity of some animal chlamydial species after their treatment with the same PG-1 concentration. In this study, the treatment of LLC-MK2 cells with PG-1 before chlamydial infection resulted in an increased infectivity of Chlamydophila abortus probably due to their easier entry into the host cells, whereas no increase in S26/3 infectivity was detected in LLC-MK2 cells treated with PG-1 postchlamydial infection.
| Titolo: | Increasing effect of a high dose of PG-1 peptide on the infectivity of Chlamydophila abortus. |
| Autore/i: | DONATI, MANUELA; DI FRANCESCO, ANTONIETTA; Gennaro R.; Benincasa M.; Di Paolo M.; SHURDHI, ALISA; OSTANELLO, FABIO; BALDELLI, RAFFAELLA; CEVENINI, ROBERTO |
| Autore/i Unibo: | |
| Anno: | 2010 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1111/j.1574-695X.2010.00679.x |
| Abstract: | Cathelicidins are antimicrobial peptides, stored by mammalian leukocytes, showing an antimicrobial activity against bacteria, fungi, protozoa and enveloped viruses. In accordance with other authors, we reported in a previous study that the protegrin-1 (PG-1), at 80 mgmL1, inhibited the in vitro growth of Chlamydia trachomatis serovars D, H and L2; however, we observed an increased infectivity of some animal chlamydial species after their treatment with the same PG-1 concentration. In this study, the treatment of LLC-MK2 cells with PG-1 before chlamydial infection resulted in an increased infectivity of Chlamydophila abortus probably due to their easier entry into the host cells, whereas no increase in S26/3 infectivity was detected in LLC-MK2 cells treated with PG-1 postchlamydial infection. |
| Data prodotto definitivo in UGOV: | 2011-02-03 11:57:15 |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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