Changes in duodenal CD163-positive cells in dogs with chronic enteropathy after successful treatment
AuthorDandrieux, JRS; Lopez, LMM; Stent, A; Jergens, A; Allenspach, K; Nowell, CJ; Firestone, SM; Kimpton, W; Mansfield, CS
Source TitleINNATE IMMUNITY
PublisherSAGE PUBLICATIONS LTD
University of Melbourne Author/sDandrieux, Julien; Kimpton, Wayne; Mansfield, Caroline; Firestone, Simon; Dandrieux, Julien; Stent, Andrew
AffiliationVeterinary and Agricultural Sciences
Melbourne Veterinary School
Veterinary Clinical Sciences
Document TypeJournal Article
CitationsDandrieux, J. R. S., Lopez, L. M. M., Stent, A., Jergens, A., Allenspach, K., Nowell, C. J., Firestone, S. M., Kimpton, W. & Mansfield, C. S. (2018). Changes in duodenal CD163-positive cells in dogs with chronic enteropathy after successful treatment. INNATE IMMUNITY, 24 (7), pp.400-410. https://doi.org/10.1177/1753425918799865.
Access StatusOpen Access
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC6830873
Chronic enteropathy (CE) in dogs is characterized retrospectively per treatment response as food-responsive enteropathy (FRE), antibiotic-responsive enteropathy (ARE), and immunosuppressant-responsive enteropathy (IRE) - the latter most resembling inflammatory bowel disease in people. The aim of this study was to characterize duodenal macrophages (Mϕ) in CE using immunohistochemistry; with calprotectin (CAL) as a marker of early differentiated Mϕ and CD163 expression as a marker for resident Mϕ in the duodenum before and after treatment. Prior to treatment, dogs with FRE and IRE had a lower CD163+/CAL+ ratio than control dogs (CTRL) in crypts; this increased significantly and normalized compared with CTRL after treatment. Conversely, the CD163+/CAL+ ratio in dogs with ARE was comparable to that in healthy dogs before and after treatment. In summary, these results suggest that Mϕ play a role in the pathogenesis of CE in FRE and IRE, with a decrease in resident Mϕ and an increase in early differentiated Mϕ, but not in ARE dogs. Mϕ normalize after successful treatment.
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