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Regeneration Process Markers in Hyperregenerative Type of Small Intestinal Mucosal Atrophy

https://doi.org/10.15690/vsp.v14i5.1440

Abstract

Objective: Our aim was to objectify structural changes in small intestinal mucosa in patients with celiac disease, with defining criteria of regeneration process forecast.

Methods: We conducted an observational, retrospective, analytical study of «case-control». The research presents results of histologic, histochemical, immunohistochemical and morphometric analyses of the small intestinal mucosa in children with proven cases of celiac disease before/after a gluten-free diet. The state of main cell types providing a structural mucosa homeostasis and their impact on the remodelling of hystoarchitecton type of atrophy was studied. Two clinical groups were formed: group I — with a complete recovery of the small intestinal mucosa (n = 10), and group II — with a permanent hystoarchitectonics disturbance (n = 7), which were put to a comparative morphometric test.

Results: Installs: cytoarchitectonics recovery against the background of diet accompanied by a decrease of between epithelial lymphocytes to 12% (p = 0.002), eosinophilic granulocytes to 0.36 cells per mm2 (p = 0.003), plasma cells — up to 1.9 cells per mm2 (p = 0.003), increase in the number of fibroblasts to 1.64 cells per mm2 (p = 0.003), and leyomiotsitov — up to 6 cells on villi (p = 0.002). If persistent structural violations against the background of positive dynamics of the diet was to reduce the number of eosinophilic granulocytes to 0.41 cells per mm2 (p = 0.009) and plasma cells per 2.9 mm2 (p = 0.009).

Conclusion: Persistent mismatch between the cell elements — epithelial, stromal cells and smooth muscle cells in the lining of the small intestine — initially hinders the successful course of the reparative process and prolongs recovery structure of small intestinal mucosa of celiac disease.

About the Authors

T. A. Kuznetsova
Privolzhsky Federal Research Medical Centre, Nizhny Novgorod, Russian Federation
Russian Federation


N. Yu. Shirokova
Privolzhsky Federal Research Medical Centre, Nizhny Novgorod, Russian Federation
Russian Federation


S. N. Bugrov
Privolzhsky Federal Research Medical Centre, Nizhny Novgorod, Russian Federation
Russian Federation


M. V. Erzutova
Privolzhsky Federal Research Medical Centre, Nizhny Novgorod, Russian Federation
Russian Federation


D. V. Davydenko
Privolzhsky Federal Research Medical Centre, Nizhny Novgorod, Russian Federation
Russian Federation


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Review

For citations:


Kuznetsova T.A., Shirokova N.Yu., Bugrov S.N., Erzutova M.V., Davydenko D.V. Regeneration Process Markers in Hyperregenerative Type of Small Intestinal Mucosal Atrophy. Current Pediatrics. 2015;14(5):564-568. (In Russ.) https://doi.org/10.15690/vsp.v14i5.1440

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