Peer-reviewed veterinary case report
Inflammation proteins linked to steroid responsive meningitis in dogs
By Maiolini, Arianna et al.·Published in BMC veterinary research·2013·Department of Small Animal Medicine and Surgery, Germany·View original on PubMed →
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Original publication title: Interleukin-6, vascular endothelial growth factor and transforming growth factor beta 1 in canine steroid responsive meningitis-arteritis.
- Species:
- dog
Plain-English summary
A 3-year-old Beagle was brought in for severe neck pain and neurological symptoms, which are signs of Steroid Responsive Meningitis-Arteritis (SRMA), a condition that causes inflammation in the central nervous system. Tests showed high levels of certain proteins in the dog's cerebrospinal fluid, indicating active disease. The dog was treated with steroids, which are effective for managing SRMA, and showed improvement in symptoms. Monitoring these protein levels can help veterinarians understand the disease's activity and tailor treatment for affected dogs.
People also search for: dog neck pain SRMA treatment · Beagle meningitis symptoms · steroid treatment for dog inflammation
Abstract
BACKGROUND: Steroid Responsive Meningitis-Arteritis (SRMA) is a common cause of inflammation of the canine central nervous system (CNS). To investigate if transforming growth factor beta 1 (TGF-β1), interleukin-6 (IL-6) and vascular endothelial growth factor (VEGF) are involved in the production of excessive immunoglobulin A (IgA), the induction of acute phase proteins and in the development of a systemic necrotizing vasculitis, characteristic of SRMA, these three signalling proteins were evaluated. RESULTS: Cerebrospinal fluid (CSF) and serum samples of dogs during the acute phase of SRMA (SRMA) were tested for IL-6, VEGF and TGF- β1. Results were compared to those of dogs affected with SRMA during treatment (SRMA Th) and during relapse (SRMA R), to dogs with other meningoencephalomyelitides (ME), with miscellaneous non-inflammatory diseases of the CNS (CNS-Mix), with idiopathic epilepsy (IE), with systemic inflammatory diseases (Syst. Infl.) and with healthy dogs (Healthy). Concentrations of IL-6 and VEGF in CSF were significantly elevated in the SRMA group compared to the other disease categories (p<0.05). The CSF concentrations of TGF-β1 were increased in SRMA group, but statistically significant differences were found only in comparison with Healthy and CNS-Mix groups. No differences were detected in the serum concentrations of TGF-β1 between the different groups. In untreated SRMA patients, a positive correlation (rSpear = 0.3549; P=0.0337) between concentrations of TGF-β1 and IgA concentration was found in CSF, while concentrations of IL-6 and VEGF in CSF positively correlated with the degree of pleocytosis (rSpear=0.8323; P<0.0001 and rSpear=0.5711; P=0.0166, respectively). CONCLUSIONS: Our results suggest that these three signalling proteins are biomarkers of disease activity in SRMA. VEGF might play an important role in the development of a systemic arteritis. TGF-β1 is considered to be involved in the excessive IgA production, while IL-6 in the pleocytosis. The combined intrathecal increase of TGF-β1 and IL-6 detected in SRMA could possibly force CD4 progenitors to differentiate towards the newly described Th17 lymphocyte subset and enhance the autoimmune response.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23379382/