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This study found that a regimen combining cyproterone acetate and testosterone buciclate induced reversible azoospermia in bonnet monkeys, highlighting its potential as an effective male contraceptive.

Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.

This study reports that in young male patients with finasteride-associated infertility, semen parameters appear reversible after discontinuing the medication.

Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.

This study found that finasteride treatment of male rats led to changes in their male offspring's testicular gene expression, potentially affecting sperm function in response to odorant-like signals.

This study found that COVID-19 infection disrupts spermatogenesis, alters testicular cell populations, and may impact male fertility by causing long-term changes in testicular function and reduced sperm quality, as observed even in patients who have recovered from the acute phase of the infection.

This review reports that 5-alpha reductase inhibitors, used to treat androgenic alopecia, may adversely affect sperm count, sexual function, and hormones in a subset of patients.

In this animal study, finasteride exposure led to impaired spermatogenesis in rats, while the novel compound DA-9401, derived from three medicinal herbs, demonstrated potential in improving sperm parameters and reducing testicular apoptosis when used alone or with finasteride.

This paper highlights the need for a comprehensive red ginseng monograph to provide standardized information on its components, certified functionality, efficacy, action mechanisms, and safety, especially given its widespread use as a health functional food in South Korea and interest in its benefits worldwide.

In this study, Nephrolepis biserrata extract significantly improved fertility indices in male Wistar rats with testosterone propionate-induced benign prostatic hyperplasia, showing increased sperm count and reduced prostate weight, suggesting potential pro-fertility benefits for BPH-related infertility.

This review discusses the biology of spermatogenesis and male reproductive toxicology but reports no new research findings.

Testicular microlithiasis may increase the risk of testicular cancer and patients with it should be closely monitored.

This study found that the Keyora Lycopene 23 in 1 formulation may improve various aspects of male endocrine and reproductive health by targeting oxidative stress, nitric oxide deficiency, and hormonal imbalance.

In this study, the researchers introduced the Keyora Lycopene 23 in 1 formulation, demonstrating its potential to improve male endocrine and reproductive health by addressing oxidative stress, nitric oxide deficiency, androgen imbalance, and mitochondrial dysfunction through a comprehensive multi-nutrient approach.

Larger prostate size in older men may be linked to poorer semen quality and fertility issues.

This article reviews the roles of lesser-known secreted phospholipase A2 isoforms in various biological processes, such as immune suppression, metabolic regulation, epidermal hyperplasia, and male reproduction, without reporting new clinical findings.

This review discusses the risk factors and implications of sperm aneuploidy in males, and it reports no new clinical results; the authors highlight the importance of personalized assessment in assisted reproduction.

In this study, male patients treated with 150 mCi of radioactive iodine showed no negative impact on fertility, but long-term studies with larger groups are needed to further assess hormonal effects and sperm health after this treatment.

This review details the expression and diverse functions of melatonin receptors in non-neural tissues and reports no new clinical findings, emphasizing their potential as therapeutic targets across various physiological and pathological processes.

This review discusses the essential roles and complex regulation of PP2A in various physiological processes and reports no clinical results; the authors highlight the need for further mouse model research to explore PP2A's therapeutic potential.

This narrative discusses the critical roles of zinc in both biological processes and industrial applications but provides no new research findings.

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

This review highlights the role of the skin's photosensory system in mediating responses to UVA radiation, contributing both to immediate protective effects and to broader circadian and seasonal adaptations, but reports no new experimental results.

This chapter explores the potential of phytochemicals in modulating human endocrine function, emphasizing the growing interest in plant-derived alternatives to synthetic medications for managing metabolic and hormonal disorders often linked to chemical exposures and lifestyle factors.

This study found that untreated men with coeliac disease exhibited androgen resistance, potentially linked to sexual dysfunction, which improved as intestinal health improved, a pattern not observed in other chronic illnesses.

This study suggests that the protease HAT-L4 plays a significant role in maintaining epidermal barrier function to prevent body fluid loss, as its absence in mice led to increased fluid loss and higher mortality.

In this study, autologous intratesticular PRP injection was found to be a feasible and well-tolerated procedure with low complication rates and quick recovery, but the authors indicated that current evidence is insufficient to confirm its effectiveness for mTESE.

This study identified a new cis-regulatory element in the mouse Hr gene that influences its expression in skin and brain cells, highlighting a complex molecular network involved in hair follicle formation.

This study identified 19 specific genes involved in root hair growth and morphogenesis in Arabidopsis, using a combination of computational and experimental methods.

This study found that during late pregnancy in rats, there is an increase in extrasynaptic GABA A receptor number in granule cells of the dentate gyrus, linked to hormonal fluctuations.