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The influence of the serotonergic system on the personality and quality of life of postmenopausal women

Authors Schneider-Matyka D, Jurczak A, Szkup M, Samochowiec A, Grzywacz A, Wieder-Huszla S, Grochans E

Received 2 February 2017

Accepted for publication 22 April 2017

Published 13 June 2017 Volume 2017:12 Pages 963—970

DOI https://doi.org/10.2147/CIA.S133712

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 3

Editor who approved publication: Dr Richard Walker


Daria Schneider-Matyka,1 Anna Jurczak,1 Małgorzata Szkup,1 Agnieszka Samochowiec,2 Anna Grzywacz,3 Sylwia Wieder-Huszla,1 Elżbieta Grochans1

1Department of Nursing, Pomeranian Medical University in Szczecin, 2Department of Clinical Psychology, Institute of Psychology, University of Szczecin, 3Department of Psychiatry, Pomeranian Medical University in Szczecin, Szczecin, Poland

Abstract: The aim of this study was to establish the relationship between personality traits of postmenopausal women and the presence of the 44-bp VNTR polymorphism in the serotonin transporter (5-HTT) (SLC6A4) promoter region and the 30-bp VNTR polymorphism in the MAO-A promoter region. The study’s aim was also to determine the influence of personality traits on the quality of postmenopausal women’s lives. The study involved 214 postmenopausal women from northwest Poland, with an average age of 56.8±4.08 years. It was performed using the Temperament and Character Inventory-Revised and the Short Form Health Survey. DNA polymorphisms were identified by means of polymerase chain reaction. Analysis demonstrated that the s/s genotype was significantly more common than the l/l genotype in women with higher fear of uncertainty. In a group with higher enlightened second nature and empathy, the l/s genotype was considerably more common than the l/l genotype. There were statistically significant associations between selected aspects of quality of life and personality traits such as enlightened second nature, transpersonal identification, purposefulness, and self-transcendence. The s/s genotype of the 44-bp VNTR polymorphism in the 5-HTT (SLC6A4) promoter region may increase the tendency to avoid harm within the fear of uncertainty dimension. Carriers of this genotype may have predisposition to anxiety and depressive disorders. The l/s genotype of the 44-bp VNTR polymorphism in the 5-HTT (SLC6A4) promoter region contributes to increased expression of enlightened second nature and empathy. Some personality traits may influence the quality of women’s lives.

Keywords: menopause, quality of life, personality, 5-HTT, MAO-A

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