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Background: Clinical evidence has shown frequent hypogonadism following mitotane (MTT) treatment in male patients with adrenocortical carcinoma. This study aimed to evaluate the impact of MTT on male gonadal function.
Methods: Morphological analysis of testes and testosterone assays were performed on adult CD1 MTT-treated and untreated mice. The expression of key genes involved in interstitial and tubular compartments was studied by real-time PCR. Moreover, quantitative and qualitative analysis of spermatozoa was performed.
Results: Several degrees of damage to the testes and a significant testosterone reduction in MTT-treated mice were observed. A significant decline in and mRNA expression in the interstitial compartment confirmed an impairment of androgen production. mRNA expression was unaffected by MTT, proving that Sertoli cells are not the drug's primary target. Sperm concentrations were significantly lower in MTT-treated animals. Moreover, the drug caused a significant increase in the percentage of spermatozoa with abnormal chromatin structures.
Conclusion: MTT negatively affects the male reproductive system, including changes in the morphology of testicular tissue and reductions in sperm concentration and quality.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10296642 | PMC |
http://dx.doi.org/10.3390/cancers15123234 | DOI Listing |
Front Endocrinol (Lausanne)
September 2025
Andrology Department of Integrative Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China.
With the global prevalence of diabetes mellitus (DM) steadily increasing, its impact on male reproductive health has become a growing area of concern. Diabetes-induced testicular damage involves alterations in testicular cell function, hormone levels, and the integrity of the blood-testis barrier (BTB), ultimately disrupting spermatogenesis. The key pathogenic factors include hyperglycemia, oxidative stress, chronic inflammation, mitochondrial dysfunction, and the accumulation of advanced glycation end products (AGEs).
View Article and Find Full Text PDFCuad Bioet
September 2025
Facultad de Farmacia y Nutrición de la Universidad de Navarra, Irunlarrea, 1, 31008 Pamplona.
In recent years, there has been a significant increase in minors with gender dysphoria (GD) seeking transition treatments, including puberty blockers and cross-sex hormones. The developing child's brain exhibits structural and functional differences in children with GD compared to cisgender children, particularly in areas where sex differences exist. Brain development during childhood and adolescence is strongly influenced by sex hormones.
View Article and Find Full Text PDFZool Res
September 2025
College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong 510642, China. E-mail:
Zona pellucida glycoprotein-1 (ZP1) is essential for maintaining oocyte structural integrity and facilitating fertilization. Mutations in are strongly associated with primary infertility disorders such as fertilization failure and empty follicle syndrome; however, the absence of accurate experimental models has hindered mechanistic understanding and obscured the etiological basis of -related infertility. In this study, CRISPR/Cas9-mediated genome editing was employed to generate two -edited cynomolgus macaques ( ), designated #ZP1-1 (male) and #ZP1-2 (female).
View Article and Find Full Text PDFZool Res
September 2025
Department of Urology & Andrology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China. E-mail:
Chromatin remodeling and transcriptional reprogramming play critical roles during mammalian meiotic prophase I; however, the precise mechanisms regulating these processes remain poorly understood. Our previous work demonstrated that deletion of heat shock factor 5 (HSF5), a member of the heat shock factor family, induces meiotic arrest and male infertility. However, the molecular pathways through which HSF5 governs meiotic progression have not yet been fully elucidated.
View Article and Find Full Text PDFCurr Opin Urol
September 2025
Department of Urology.
Purpose Of Review: Infertility affects approximately 15% of couples, with male factors implicated in more than 50% of cases. Concerns over declining semen quality - evidenced by a more than 50% drop in sperm concentration over four decades - have triggered investigation into modifiable lifestyle and environmental factors. This review summarizes recent evidence on exposures that negatively impact male fertility.
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