Abstract:
:Fowl cholera is a serious, highly contagious disease caused by the bacterium Pasteurella multocida (P. multocida) in a range of avian species and is characterized by an acute form of septicaemia. The pathogenic mechanism of chicken lung injury caused by the bacterium is unclear. Therefore, P. multocida Q (a reference standard strain isolated from chicken) and 1G1 (a clinic isolated strain from duck) were selected to infect chickens, establishing fowl cholera-induced laying hen models. Several important proteins involved in the process of lung injury were identified and quantified using immunohistochemistry and WB. The results showed that chicken lungs infected with bacteria for 24 h showed congestion and edema. The inflammatory factors HMGB1 and IL-6, intercellular matrix MMP, the cell apoptosis-associated caspase-3 and necrotic apoptosis signal molecules RIPK1 and RIPK3 were widely expressed in the lungs of group Q and were significantly different compared with those of 1G1 group and uninfected group (P < 0.05). The results indicated that RIPK1 and RIPK3 are involved in the injury process of chicken lungs after infection with P. multocida, and the mechanisms of lung injury induced by different strains are different.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Li W,Tang Q,Dai N,Feng W,Xie C,Cheng G,Liu X,Zhang W,Hu X,Gu Cdoi
10.1038/s41598-020-62042-7subject
Has Abstractpub_date
2020-04-14 00:00:00pages
6340issue
1issn
2045-2322pii
10.1038/s41598-020-62042-7journal_volume
10pub_type
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