Expression of the serotonergic system components in the placenta in various types of preeclampsia
- Authors: Bettikher O.A.1,2, Belyaeva O.A.1, Dukovich A.I.1, Vorobeva O.M.1, Tral T.G.2, Tolibova G.K.2, Bart V.A.1, Kogan I.Y.1,2, Zazerskaya I.E.1,2
- 
							Affiliations: 
							- Almazov National Medical Research Centre
- The Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott
 
- Issue: Vol 72, No 1 (2023)
- Pages: 5-16
- Section: Original study articles
- URL: https://journals.rcsi.science/jowd/article/view/125953
- DOI: https://doi.org/10.17816/JOWD110890
- ID: 125953
Cite item
Abstract
BACKGROUND: The serotonergic system plays an important role in the formation and development of the feto-placental complex. The study of the expression of the serotonin system components, including placental 5-HT2A (serotonin receptor) and SERT (serotonin transporter), in preeclampsia will create prerequisites for discovering new ways to correct hypertensive pregnancy complications and methods of influencing pregnancy outcomes.
AIM: The aim of this study was to compare the expressions of 5-HT2A and SERT in placental tissue in pure preeclampsia and its combinations with other complications of pregnancy.
MATERIALS AND METHODS: A comparative cohort study was conducted among patients with different preeclampsia phenotypes: preeclampsia (n = 6), preeclampsia and gestational diabetes mellitus (n = 6), gestational diabetes mellitus and superimposed preeclampsia (preeclampsia + chronic arterial hypertension) (n = 6), and normal pregnancy without pregnancy complications (n = 6). The expression of 5-HT2A (Abcam, USA) and SERT (BiossAntibodies, USA) was studied in placenta samples from all study groups by immunohistochemical method. Morphometric analysis was performed using the VideoTest-Morphology 5.2 program (Videotest Ltd., Russia). The database was constructed and statistical processing was performed using Microsoft Excel 2007 (Microsoft Corporation, USA) and the StatTech program v. 2.6.4 (Stattech Ltd., Russia).
RESULTS: The expression of SERT and 5-HT2A is higher in the studied pregnancy complications when compared to the normal one. The relative 5-HT2A expression area in the placenta among the studied nosologies is higher in preeclampsia without gestational diabetes mellitus or in superimposed preeclampsia in combination with chronic arterial hypertension compared to expression in placentas in preeclampsia in combination with gestational diabetes mellitus or in preeclampsia in combination with gestational diabetes mellitus and chronic arterial hypertension (p = 0.02 and p = 0.017, respectively). The relative area of SERT expression is higher in preeclampsia without gestational diabetes mellitus or chronic arterial hypertension and in preeclampsia in combination with gestational diabetes mellitus compared to preeclampsia in combination with gestational diabetes mellitus and chronic arterial hypertension (p = 0.002 and p = 0.012, respectively).
CONCLUSIONS: The highest expressions of 5-HT2A and SERT among the studied preeclampsia phenotypes were found in placentas in preeclampsia without gestational diabetes mellitus or chronic arterial hypertension.
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##article.viewOnOriginalSite##About the authors
Ofelia A. Bettikher
Almazov National Medical Research Centre; The Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott
							Author for correspondence.
							Email: ophelia.bettikher@gmail.com
				                	ORCID iD: 0000-0002-1161-1558
				                	SPIN-code: 4398-3964
							Scopus Author ID: 57190122861
							ResearcherId: AAH-8832-2020
				                								
MD, Cand. Sci. (Med.)
Russian Federation, Saint Petersburg; Saint PetersburgOlga A. Belyaeva
Almazov National Medical Research Centre
														Email: belyaevaolga0138@gmail.com
				                	ORCID iD: 0000-0002-6970-7085
				                	SPIN-code: 2229-5409
																		                												                	Russian Federation, 							Saint Petersburg						
Albina I. Dukovich
Almazov National Medical Research Centre
														Email: alyadukovich@gmail.com
				                	ORCID iD: 0000-0002-7912-035X
				                																			                												                	Russian Federation, 							Saint Petersburg						
Olga M. Vorobeva
Almazov National Medical Research Centre
														Email: olgarasp@yandex.ru
				                	ORCID iD: 0000-0002-1349-7349
				                	SPIN-code: 3327-7617
							Scopus Author ID: 57205331117
							ResearcherId: AAZ-5818-2020
				                								
MD, Cand. Sci. (Med.)
Russian Federation, Saint PetersburgTatiana G. Tral
The Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott
														Email: ttg.tral@yandex.ru
				                	ORCID iD: 0000-0001-8948-4811
				                	SPIN-code: 1244-9631
							Scopus Author ID: 37666260400
											                								
MD, Cand. Sci. (Med.)
Russian Federation, Saint PetersburgGulrukhsor Kh. Tolibova
The Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott
														Email: gulyatolibova@mail.ru
				                	ORCID iD: 0000-0002-6216-6220
				                	SPIN-code: 7544-4825
							Scopus Author ID: 23111355700
							ResearcherId: Y-6671-2018
				                								
MD, Dr. Sci. (Med.)
Russian Federation, Saint PetersburgViktor A. Bart
Almazov National Medical Research Centre
														Email: vbartvit@mail.ru
				                	ORCID iD: 0000-0002-9406-4421
				                	SPIN-code: 9400-0754
							Scopus Author ID: 8314645900
											                								
Cand. Sci. (Phys. & Math.)
Russian Federation, Saint PetersburgIgor Yu. Kogan
Almazov National Medical Research Centre; The Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott
														Email: ikogan@mail.ru
				                	ORCID iD: 0000-0002-7351-6900
				                	SPIN-code: 6572-6450
							Scopus Author ID: 56895765600
							ResearcherId: P-4357-2017
				                								
MD, Dr. Sci. (Med.), Professor, Corresponding Member of the Russian Academy of Sciences
Russian Federation, Saint Petersburg; Saint PetersburgIrina E. Zazerskaya
Almazov National Medical Research Centre; The Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott
														Email: zazera@mail.ru
				                	ORCID iD: 0000-0003-4431-3917
				                	SPIN-code: 5683-6741
							Scopus Author ID: 55981393900
							ResearcherId: AAI-1309-2020
				                								
MD, Dr. Sci. (Med.), Professor
Russian Federation, Saint Petersburg; Saint PetersburgReferences
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