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Adjuvant Activity of Mycobacterium paratuberculosis in Enhancing the Immunogenicity of Autoantigens During Experimental Autoimmune Encephalomyelitis
Published on: May 12, 2023
Mycobacterium avium subspecies paratuberculosis infects and multiplies in enteric glial cells
Leonardo A Sechi1, Anne Ruehl, Niyaz Ahmed
1Dipartimento di Scienze Biomediche, Sezione di Microbiologia Sperimentale e Clinica, Universita degli studi di Sassari, Viale S. Pietro 43/B, Sassari 07100, Italy. sechila@uniss.it
Aim:
To establish the role of enteric glial cells during infection with Mycobacterium avium subspecies paratuberculosis (MAP) in Crohn's disease.
Methods:
In order to establish the role of enteric glial cells during infection with M. avium subspecies paratuberculosis (MAP) in Crohn's disease, Map adhesion experiments on enteric glial cells were performed as well as expression analysis of Map sigma factors during infection.
Results:
In this study, for the first time, we found a high affinity of MAP to enteric glial cells and we analyzed the expression of MAP sigma factors under different conditions of growth.
Conclusion:
The fact that Map showed a high affinity to the glial cells raises concerns about the complicated etiology of the Crohn's disease. Elucidation of the mechanisms whereby inflammation alters enteric neural control of gut functions may lead to novel treatments for Crohn's disease.
Insights
Mycobacterium avium subspecies paratuberculosis (MAP) shows high affinity for enteric glial cells, suggesting a role in Crohn's disease pathogenesis. Understanding this interaction may reveal new therapeutic targets for this complex inflammatory condition.
Area of Science:
- Gastroenterology
- Microbiology
- Neuroscience
Background:
- Crohn's disease is a chronic inflammatory bowel disease with complex etiology.
- Enteric glial cells play a crucial role in maintaining intestinal homeostasis and immune responses.
Purpose of the Study:
- To investigate the role of enteric glial cells in the context of Mycobacterium avium subspecies paratuberculosis (MAP) infection.
- To determine the interaction between MAP and enteric glial cells in relation to Crohn's disease.
Main Methods:
- Performed MAP adhesion experiments on isolated enteric glial cells.
- Analyzed the expression of MAP sigma factors during infection under various growth conditions.
Main Results:
- Demonstrated a high affinity of MAP for enteric glial cells, a novel finding.
- Characterized the expression patterns of MAP sigma factors in response to host cell interaction.
Conclusions:
- The high affinity of MAP to enteric glial cells highlights their potential significance in Crohn's disease pathogenesis.
- Further research into the mechanisms of inflammation altering enteric neural control could lead to innovative Crohn's disease treatments.
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