Effect of dimephosphone in a course administration on the mechanical activity of the intestine of rats with an autism model
- Authors: Zyapbarov A.M.1, Ivanova D.V.1, Bakanova A.S.1, Ziganshin A.U.1,2
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Affiliations:
- Kazan State Medical University
- Russian Medical Academy of Continuous Professional Education
- Issue: Vol 105, No 5 (2024)
- Pages: 733-741
- Section: Experimental medicine
- Submitted: 21.06.2024
- Accepted: 14.08.2024
- Published: 02.10.2024
- URL: https://kazanmedjournal.ru/kazanmedj/article/view/633586
- DOI: https://doi.org/10.17816/KMJ633586
- ID: 633586
Cite item
Abstract
BACKGROUND: Gastrointestinal tract dysfunctions are a very common problem in patients with autism spectrum disorders, which aggravates the underlying course of the disease, and therefore there is a need to find safe drugs to correct gastrointestinal dysfunctions.
AIM: Evaluation of intestinal contractile activity in rats with an autism model after a course of intragastric administration of dimephosphone.
MATERIAL AND METHODS: The mechanical activity of the duodenum and ileum of rats with the valproate model of autism after the administration of dimephosphone was studied in vitro. To model autism, female rats were given a single subcutaneous injection of sodium valproate at a dose of 500 mg/kg in the withers area on the 13th day of pregnancy. The offspring of these rats were divided into two groups. The experimental group of rats (n=12) was given dimephosphone at a dose of 50 mg/kg for 30 days, starting from the age of 2 months, control rats (n=12) were given physiological saline in an equal volume. Another group of rats was intact (n=9), which were born from female rats not exposed to valproic acid. The effect of carbachol (10–8–10–5 M), ATP (10–7–10–4 M), 2-methylthio-ATP (10–7–10–5 M) and electrical stimulation (1–5 Hz) on the mechanical activity of isolated intestinal smooth muscle preparations was assessed. Statistical processing was performed in IBM SPSS Statistics 26.0 using one-way analysis of variance.
RESULTS: It was found that in rats with autism modeling, carbachol-induced intestinal contractions and ATP-induced intestinal relaxation increased. A course of intragastric administration of dimephosphone for 30 days normalized these changes, which became indistinguishable from the corresponding indices in intact animals. Thus, ATP at a concentration of 10–4 caused relaxation of the smooth muscles of the duodenum of rats with autism modeling after a course of dimephosphone administration by 77.1±14.7%, which significantly differed from the corresponding indices in control animals — 34.4±9.4% (p <0.05) and did not differ from the indices in intact rats. Similar changes occurred in the mechanical activity of the ileum. Intestinal relaxation in rats caused by 2-methylthio-ATP did not change significantly either in the control or in the group of animals receiving dimephosphone.
CONCLUSION: Dimephosphone, when administered intragastrically, normalizes the disturbances in the mechanical activity of the intestines of rats with an autism model.
Full Text
About the authors
Ainur M. Zyapbarov
Kazan State Medical University
Author for correspondence.
Email: zyapbarov43@gmail.com
ORCID iD: 0000-0001-8388-9172
SPIN-code: 6588-4813
Postgrad. Stud., Depart. of Pharmacology
Russian Federation, KazanDaria V. Ivanova
Kazan State Medical University
Email: ivanovadv96@yandex.ru
ORCID iD: 0009-0002-0158-5971
SPIN-code: 3512-4452
Assistant, Depart. of Pharmacology
Russian Federation, KazanAlexandra S. Bakanova
Kazan State Medical University
Email: bakanova.alexandra@yandex.ru
ORCID iD: 0000-0002-2430-3554
student
Russian Federation, KazanAyrat U. Ziganshin
Kazan State Medical University; Russian Medical Academy of Continuous Professional Education
Email: ayrat.ziganshin@kazangmu.ru
ORCID iD: 0000-0002-9087-7927
SPIN-code: 9723-2491
MD, Dr. Sci. (Med.), Prof., Head of Depart., Depart. of Pharmacology; Prof., Depart. of General Pathology and Pathophysiology
Russian Federation, Kazan; MoscowReferences
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