Evaluation of oxidative stress in seminal plasma of adolescents with varicocele.


Journal

Reproduction & fertility
ISSN: 2633-8386
Titre abrégé: Reprod Fertil
Pays: England
ID NLM: 101778727

Informations de publication

Date de publication:
04 2021
Historique:
received: 16 04 2021
accepted: 06 05 2021
entrez: 7 2 2022
pubmed: 8 2 2022
medline: 8 2 2022
Statut: epublish

Résumé

Varicocele, defined by a dilation of efferent testicular veins, is the most commonly identifiable, surgically correctable lesion associated with male-factor infertility, starts at puberty and causes a progressive decline in fertility potential. The pathophysiology of infertility caused by this disease is still poorly understood, but it is suggested that the main mechanism is oxidative stress. Therefore, the aim of this study was to verify if the varicocele is associated with changes in enzymatic antioxidant mechanisms and seminal plasma lipid peroxidation levels in adolescents. We recruited 90 adolescents that were divided into control (C; Varicocele, defined by a dilation of efferent testicular veins, is the most commonly identifiable, surgically correctable lesion associated with male-factor infertility, starts at puberty and causes a progressive decline in fertile potential. There is still much that is not understood regarding how exactly it affects semen quality, but most studies agree that oxidative stress, which is defined as excessive amounts of free radicals in relation to antioxidant defense, is an important mechanism. In this study, we aimed to verify if the varicocele is associated with changes in antioxidant defense and semen oxidation in 90 adolescents with and without varicocele. In adolescents with varicocele and abnormal semen, there is an increase in semen oxidation compared to controls or to the group with varicocele and normal semen quality. Our results can help to understand how varicocele leads to infertility in adolescents, identifying changes in oxidative activity in semen, since the onset of varicocele and before damage to sperm production can be detected.

Identifiants

pubmed: 35128449
doi: 10.1530/RAF-20-0048
pii: RAF-20-0048
pmc: PMC8812440
doi:

Substances chimiques

Antioxidants 0
Glutathione Peroxidase EC 1.11.1.9
Superoxide Dismutase EC 1.15.1.1

Types de publication

Journal Article

Langues

eng

Pagination

141-150

Informations de copyright

© The authors.

Déclaration de conflit d'intérêts

The authors declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.

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Auteurs

Valéria Barradas (V)

Department of Surgery, Division of Urology, Human Reproduction Section, Universidade Federal de São Paulo, São Paulo, Brazil.

Mariana Pereira Antoniassi (M)

Department of Surgery, Division of Urology, Human Reproduction Section, Universidade Federal de São Paulo, São Paulo, Brazil.

Paula Intasqui (P)

Department of Surgery, Division of Urology, Human Reproduction Section, Universidade Federal de São Paulo, São Paulo, Brazil.

Marcilio Nichi (M)

Department of Animal Reproduction, School of Veterinary Medicine and Animal Sciences, University of Sao Paulo, São Paulo, Brazil.

Ricardo Pimenta Bertolla (R)

Department of Surgery, Division of Urology, Human Reproduction Section, Universidade Federal de São Paulo, São Paulo, Brazil.
Hospital São Paulo, São Paulo, Brazil.

Deborah Montagnini Spaine (D)

Department of Surgery, Division of Urology, Human Reproduction Section, Universidade Federal de São Paulo, São Paulo, Brazil.

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Classifications MeSH