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This review discusses the flexibility and diversity of tissue stem cell systems, particularly focusing on the motility and ligand distribution of spermatogenic stem cells, without presenting new experimental results.

In this laboratory study with rats, treatment with finasteride reduced dihydrotestosterone levels and fertility parameters, with a 30-day recovery period proving insufficient to fully restore sperm function and fertility.

This study found that finasteride treatment in males with androgenetic alopecia was linked to significant changes in sperm parameters and increased testosterone levels, but no sexual dysfunction was observed, and sperm parameters returned to baseline after treatment stopped.

This case report documents the first use of clomiphene citrate to potentially improve fertility in a man taking finasteride, highlighting sperm count issues associated with the medication.

This article reviews the impact of aging and related urologic conditions on male fertility, highlighting the effects of various treatments on sperm parameters and recommending pre-treatment counseling for fertility preservation. It reports no new clinical results.

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.

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 study concluded that daily treatment with 1 mg finasteride did not affect spermatogenesis or semen production in young men and had small, reversible effects on prostate volume and serum PSA.

This study found that Myc activation in mouse epidermis impairs keratinocyte adhesion and motility by downregulating extracellular matrix and cytoskeleton proteins, affecting hair lineage differentiation.

In this study, finasteride treatment for 56 days in adult rats led to sloughing of immature germinal cells and reduced sperm content in the epididymis, indicating its importance for maintaining spermatogenesis.

This review examines experimental and clinical evidence on PDRN, a drug derived from salmon DNA that acts via the adenosine A2A receptor and shows promise for tissue repair and treatment of diabetic foot ulcers in regenerative medicine.

This review discusses the therapeutic properties of polydeoxyribonucleotides derived from marine organisms for wound healing and inflammation, but it reports no new clinical results.

This review discusses the physiological basis, history, and current development of male hormonal contraception, highlighting its potential risks and benefits, but reports no new research findings.

This review examines the negative effects of anabolic-androgenic steroid use on the male reproductive system, including impaired testosterone production, sperm production issues, and adverse metabolic consequences without reporting new clinical results.

This article discusses developments in clinical urology featured in the Journal of Urology's October 1999 issue and presents no new clinical findings.

This study observed that numerical chromosomal aberrations were more common in men with severe male factor infertility and azoospermia compared to those with other sperm quality issues, while chromosomal translocations were significantly associated with oligoasthenozoospermia, highlighting important genetic counseling considerations.

This study found that hesperidin, a bioflavonoid, mitigated the negative effects of finasteride on sperm health and testicular structure in male Wistar rats by reducing oxidative stress and apoptosis and supporting testicular antioxidant capacity.

This review discusses the role of stem cell progeny as integral components of stem cell niches, offering feedback that may influence different stem cell systems' microenvironments, but it presents no new research findings.

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.

This paper reviews genome-based personalized medicine developments using Web services for analyzing SNPs in reproductive potential but reports no new clinical findings.

This abstract lists keywords related to various medications and therapies, but it does not provide new study results or findings.

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.

The study observed that finasteride reduced fertility in male Sprague-Dawley rats by impairing the formation of copulatory plugs, an effect considered specific to rats and not applicable to species without this reproductive feature.

This study demonstrated that dermal papilla cells are molecularly distinct from fibroblasts and identified many novel molecules, including a new member of the CTGF protein family.

This article reviews the classification and characteristics of water soluble vitamins, focusing on their varying solubility and functions, and reports no new experimental findings.

This study suggests that the negative impact of high-dose Finasteride on male reproductive function may be mitigated by concurrent administration with TU.

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.

This study found that interleukin-1 directly induces the expression of keratin 6 in keratinocytes, which is a marker of activation and involved in inflammatory skin responses.