The effect of astaxanthin after varicocele surgery on antioxidant status and semen quality in infertile men: A triple‐blind randomized clinical trial

Author:

Ayub Mohammed Salih Shimal1,Jabarpour Masoome12ORCID,Sedighi Gilani Mohammad Ali23,Sajadi Hesamoddin3,Saedi Marghmaleki Mojtaba1,Shabani Nashtaei Maryam12,Salem Maryam1,Amidi Fardin12ORCID

Affiliation:

1. Department of Anatomy, School of Medicine Tehran University of Medical Sciences Tehran Iran

2. Department of Infertility, Shariati Hospital Tehran University of Medical Sciences Tehran Iran

3. Department of Andrology, Reproductive Biomedicine Research Center Royan Institute for Reproductive Biomedicine, ACECR Tehran Iran

Abstract

AbstractVaricocele (VC) is widely recognized as a prevalent etiological factor contributing to male infertility. It has been established that the generation of reactive oxygen species (ROS) plays a significant role in the progression and development of VC. Antioxidants may regulate ROS levels in these patients. Astaxanthin (ASX) is a carotenoid compound with notable antioxidant and anti‐inflammatory characteristics. The current study postulated that the administration of ASX following varicocelectomy (VCT) could potentially enhance antioxidant status and semen quality in these patients. A total of 40 infertile males with clinical VC and abnormal semen analyses were randomly assigned to take part in the current trial. For 3 months following surgery, the intervention group took ASX (6 mg/day) while the control group received a placebo. After intervention, semen parameters, antioxidant status, and pro‐inflammatory cytokines were compared between the two groups. Regarding semen parameters, antioxidant treatment led to a significant improvement in total and progressive motility in the treatment group (p < 0.05). Additionally, ASX led to a considerable increase in the expression levels of NRF2, Keap1, SOD2, SOD3, and BCL2, though the enhancement in the expression level of SOD3 was not statistically significant (p > .05). However, ASX significantly decreased the BAX expression level (p < .05). Even though the level of total antioxidant capacity (TAC) of seminal fluid (SF) increased significantly in the treatment group (p < .05), the level of total oxidative stress (TOS) in SF did not differ substantially between treatment and control groups (p > .05). Based on inflammatory factors in SF, ASX led to a considerable reduction in levels of TNF‐α, IL‐1β, and IL‐6 (p < .05). Our findings demonstrated that ASX treatment provides an important contribution to VCT outcomes by modulating antioxidant status and pro‐inflammatory cytokines. Our results indicated that ASX may be beneficial as an adjuvant therapy for infertile men following VCT.

Publisher

Wiley

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