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This review discusses the progress in identifying stem cells responsible for tissue regeneration and highlights technological advances in tracking their behavior, but reports no new clinical results.

This review summarizes recent discoveries about how tissue-resident stem cells interact with their environments during normal conditions and after injury, without reporting new results.

This study highlights the need for a comprehensive andrological assessment at diagnosis, including semen and hormonal analysis, to guide fertility preservation strategies, and found that post-orchidectomy semen samples showed improved DNA integrity for assisted reproductive technologies.

This review discusses the degenerative effects of anabolic-androgenic steroids on the nervous system and reports no new experimental results, aiming to increase public awareness of their health risks.

This study explored the effects of MOTILIPERM on infertility in a rat model with varicocele and oxidative stress, reporting its potential therapeutic efficacy.

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

This study observed increased metallothionein expression in regenerating liver and hyperplastic mouse skin, suggesting a potential role in cellular proliferation and differentiation.

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 review highlights the role of all-trans retinoic acid in regulating stem and progenitor cell proliferation and differentiation, suggesting its potential to enhance treatments in regenerative medicine and cancer.

This chapter reviews selective androgen receptor modulators, discussing their therapeutic potential beyond current androgen applications, and reports no new clinical findings.

This review discusses the therapeutic effects of stem cell therapy in various diseases and emphasizes the need for controlled differentiation and further large-scale trials, but reports no new findings.

The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.

The April 2014 issue of "Fertility and Sterility" discussed various reproductive health topics, including hormone therapy benefits, sperm and genetic factors in male infertility, and the link between PCOS and diabetes.

This study suggests that PrPC plays a role in the differentiation of mouse embryonic stem cells during neurogenesis, impacting neural progenitor cell development.

This review discusses the roles of dihydrotestosterone in fetal development and adult diseases, reporting no new clinical results; the authors emphasize the potential of 5α-reductase inhibitors for treatment.

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.

This study found that resveratrol significantly alleviated testicular damage in male rats caused by finasteride, which otherwise led to decreased testosterone levels and various histopathological alterations in the testes.

This review discusses various substances that can impact male fertility and stresses that products should be confirmed 'sperm-safe' through rigorous testing, not assumptions; it reports no new study results.

This review discusses the pharmacological properties and clinical applications of cyproterone acetate and similar antiandrogens, noting previous failures in local applications due to concentration limitations; it reports no new empirical results.

This study reports that five new progesterone derivatives demonstrated inhibitory activity against the 5α-reductase enzyme and binding affinity for the androgen receptor in an in vitro hamster model.

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.

Stopping finasteride can improve sperm count in infertile men.

This study found no significant difference in semen parameters or reproductive hormone levels between men taking low-dose finasteride for androgenic alopecia and those not on the medication.

This study found that among men with coronary artery disease, education level was significantly associated with both the presence and intensity of erectile dysfunction.

This study found that overexpression of an enzyme in transgenic mice led to distorted polyamine levels, resulting in permanent hair loss and female infertility.

This study found that stem cell transplantation effectively reduced acute inflammation-induced testicular damage, suggesting potential for cell-based therapies in addressing male infertility.

In this study, administering 5alpha-reductase inhibitors reduced dihydrotestosterone levels and was associated with mild, reversible decreases in semen parameters in healthy men.

This review explores the impact of various medications on male fertility, highlighting reversible negative effects from methotrexate, finasteride, and ketoconazole, while reporting no adverse fertility effects for oral retinoids and certain immunosuppressants.

This study found that discontinuing finasteride led to a significant increase in sperm counts for most men with reduced fertility, though hormone levels and other semen parameters remained unchanged.

This review discusses the association between androgen receptor CAG repeat polymorphism and several health conditions, including Kennedy’s disease and urologic disorders, without reporting new clinical results.