Correction of retinal angiopathy of hypertensive type by dimethylaminoethanol derivative 19-16 in experiment

Authors

  • Anna A. Peresypkina Belgorod State National Research University

Abstract

Introduction: 63% of hypertensive patients have evidence of hypertensive angiopathy. Increase of effectiveness of drug therapy of retinal angiopathy of hypertensive type is an important task of pharmacology.

Objectives: To increase the effectiveness of pharmacological correction of retinal angiopathy of hypertensive type using a new dimethylaminoethanol (DMAE) derivative 19-16.

Materials and Methods: We studied protective effects of DMAE derivative 19-16 in doses 25 mg/kg, 50 mg/kg on a model of retinal angiopathy of hypertensive type on Wistar male rats, which was carried out by N-nitro-L-arginine-methyl ester (L-NAME) introducing in a dose 12.5 mg/kg/day within 28 days. To study the fundus of experimental animals, direct ophthalmoscopy was used. Electroretinography (ERG) was recorded in response to a single stimulation. The induced biopotentials were amplified, averaged and presented graphically with the help of Biopac-systems MP-150 with the program AcqKnowledge 4.2 (USA). To assess the degree of development of functional damage to the retina, the ratio of the amplitudes of the b- and a-waves, the coefficient b/a, was estimated.

Results and Discussion: DMAE derivative 19-16 in a dose 50 mg/kg prevented the development of ischemic damage and retinal vascular changes caused by introduction of L-NAME, to a greater extent than in a dose 25 mg/kg. The observed retinoprotective effects are confirmed by ophthalmoscopy and ERG.

Conclusion: The search of new ways of correction of the retinal angiopathy as a complication of hypertension is an urgent task of pharmacology, which can be solved by using a new DMAE derivative 19-16.

Keywords:

retinal angiopathy of hypertensive type, dimethylaminoethanol derivatives, ophthalmoscopy, electroretinography

Author Biography

Anna A. Peresypkina, Belgorod State National Research University

Candidate of Biological Sciences, Associate Professor, Department of Pharmacology and Clinical Pharmacology, Institute of Medicine.

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Published

30-12-2017

How to Cite

Peresypkina AA (2017) Correction of retinal angiopathy of hypertensive type by dimethylaminoethanol derivative 19-16 in experiment. Research Results in Pharmacology 3(4): 113–119

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Section

Experimental Pharmacology

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