Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Evaluation of Histopathological Changes of Oral Mucosa and Salivary Glands in Model of Demyelination (Multiple Sclerosis) in C57BL/6 Mouse

Wed Sep 28 22:05:41 2022

(2019) Evaluation of Histopathological Changes of Oral Mucosa and Salivary Glands in Model of Demyelination (Multiple Sclerosis) in C57BL/6 Mouse. Journal of Biochemical Technology. pp. 65-73. ISSN 0974-2328

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Abstract

Introduction: Multiple sclerosis (MS) is an autoimmune disease, which is characterized by multifocal demyelination of axons in the CNS. Complications due to the disease, as well as the use of immunosuppressive drugs, antidepressants, etc., lead to some abnormalities. These drugs predispose to oral bleeding and are particularly susceptible to infection. The main side effects of drugs in the oral cavity are stomatitis, ulcers, gingivitis, candidiasis, and some opportunistic infections (such as herpes simplex). Dentists should also be aware of the importance of the disease in the diagnosis, treatment, and prognosis of some lesions as well as its specific conditions. Hence, in this study, the histopathological changes of the oral mucosa and salivary glands were studied on C57BL/6 demyelination mice (multiple sclerosis model).Material & method: The histological changes in parotid, submandibular, and sublingual glands were studied in both control (intact) and demyelination models of mice. The present study, 20 mice C57BL/6 were divided into two groups: 1) sham group (fed regular chow); 2) demyelination group (received rodent chow mixed with 0.2 cuprizone for 12 weeks). Seven weeks after demyelination inflammation (Hematoxylin-eosin), fibrosis (Masson's Trichrome), and mast cells granulation (toluidine blue) were examined. Result: Our results demonstrated inflammation in the major salivary gland 12 weeks after demyelination. Also, the increase in fibrosis and decrease in vascularization was observed in buccal mucosa of different areas (P<0.05). The keratinization reduced in demyelination group (P<0.05). The expression of GFAP in the major salivary gland was significantly decreased in the demyelination group (P<0.05). Conclusions: MS may be a risk factor for oral lesions such as inflammation, fibrosis, and ulcer. These data present the pathological effect of demyelination on acini and ductal region in salivary glands.

Item Type: Article
Creators:
CreatorsEmail
Mohammadi, M.UNSPECIFIED
Abdal, K.UNSPECIFIED
Darvishi, M.UNSPECIFIED
Eliasi, P.UNSPECIFIED
Moayeri, A.UNSPECIFIED
Keywords: Multiple sclerosis (MS) Major salivary glands Inflammation Histology low-grade adenocarcinoma cortical demyelination periodontal-disease sjogrens-syndrome cuprizone model heterogeneity pathogenesis management neuropathy diagnosis Biochemistry & Molecular Biology
Divisions:
Page Range: pp. 65-73
Journal or Publication Title: Journal of Biochemical Technology
Journal Index: ISI
Volume: 10
Number: 2
ISSN: 0974-2328
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/2744

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