Frontiers in Veterinary Science (Mar 2020)

Pro-Inflammatory Response of Bovine Polymorphonuclear Cells Induced by Mycoplasma mycoides subsp. mycoides

  • Marta Di Federico,
  • Marta Di Federico,
  • Massimo Ancora,
  • Mirella Luciani,
  • Ivanka Krasteva,
  • Flavio Sacchini,
  • Gianluca Orsini,
  • Tiziana Di Febo,
  • Valeria Di Lollo,
  • Valeria Di Lollo,
  • Mauro Mattioli,
  • Massimo Scacchia,
  • Giuseppe Marruchella,
  • Cesare Cammà

DOI
https://doi.org/10.3389/fvets.2020.00142
Journal volume & issue
Vol. 7

Abstract

Read online

Mycoplasma mycoides subsp. mycoides (Mmm) is the etiological agent of contagious bovine pleuropneumonia (CBPP), one of the major diseases affecting cattle in sub-Saharan Africa. Some evidences suggest that the immune system of the host (cattle) plays an important role in the pathogenic mechanism of CBPP, but the factors involved in the process remain largely unknown. The present study aimed to investigate the cell response of bovine polymorphonuclear neutrophils (PMNs) after Mmm in vitro exposure using one step RT-qPCR and Western blotting. Data obtained indicate that gene and protein expression levels of some pro-inflammatory factors already change upon 30 min of PMNs exposure to Mmm. Of note, mRNA expression level in Mmm exposed PMNs increased in a time-dependent manner and for all time points investigated; targets expression was also detected by Western blotting in Mmm exposed PMNs only. These data demonstrate that when bovine PMN cells are triggered by Mmm, they undergo molecular changes, upregulating mRNA and protein expression of specific pro-inflammatory factors. These results provide additional information on host-pathogen interaction during CBPP infection.

Keywords