Global gene expression of bovine monocyte-derived macrophages in response to in vitro challenge with Mycobacterium bovis

Background: Mycobacterium bovis, the causative agent of bovine tuberculosis, is a major cause of mortality in global cattle populations. Macrophages are among the first cells types to encounter M. bovis following exposure and the response elicited by these cells is pivotal in determining the outcome of infection. Here, a functional genomics approach was undertaken to investigate global gene expression profiles in bovine monocyte-derived macrophages (MDM) purified from seven age-matched non-related females, in response to in vitro challenge with M. bovis (multiplicity of infection 2:1). Total cellular RNA was extracted from non-challenged control and M. bovis-challenged MDM for all animals at intervals of 2 hours, 6 hours and 24 hours post-challenge and prepared for global gene expression analysis using the Affymetrix GeneChip Bovine Genome Array.

49

Magee DA, Taraktsoglou M, Killick KE, Nalpas NC, Browne JA, Park SD, Conlon KM, Lynn DJ, Hokamp K, Gordon SV, Gormley E, MacHugh DE