research Hair Cortisol: A Biomarker of Chronic Stress in Animals and Its Association With Reproduction
High levels of cortisol in hair show long-term stress which can lower fertility in animals.
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research What Should It Take to Describe a Substance or Product as 'Sperm-Safe'?
Products should be called 'sperm-safe' only after thorough, well-designed tests.
research Which Chemicals Should Be Grouped Together for Mixture Risk Assessments of Male Reproductive Disorders?
Group a wide range of chemicals, not just phthalates, for assessing risks to male reproductive health.
research Spontaneous Fertility in a Male Patient with Testotoxicosis Despite Suppression of FSH Levels
A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
research Relationship Between Betacoronaviruses and the Endocrine System: A New Key to Understand the COVID-19 Pandemic—A Comprehensive Review
Betacoronaviruses, like COVID-19, may cause hormone system dysfunction and affect disease susceptibility and severity.
research Origanum Vulgare L. Leaves Extract Alleviates Testis And Sperm Damages Induced By Finasteride: Biochemical, Immunohistological And Apoptosis Genes Based Evidences
Oregano extract helps fix testis and sperm damage caused by finasteride.
research PNKP Is Required for Maintaining the Integrity of Progenitor Cell Populations in Adult Mice
PNKP is essential for keeping adult mouse progenitor cells healthy and growing normally.
research Testosterone in COVID-19: An Adversary Bane or Comrade Boon
Testosterone's effects on COVID-19 are unclear and need more research.
research Protective Effect of DA-9401 in Finasteride-Induced Apoptosis in Rat Testis: Inositol Requiring Kinase 1 and c-Jun N-Terminal Kinase Pathway
DA-9401 helps protect rat testis from finasteride damage.
research Evaluation of the 5α-Reductase Inhibitor Finasteride on Reproduction and Gonadal Development in Medaka, Oryzias Latipes
Finasteride negatively affects fish reproduction and gonadal development.
research Chronic Treatment with Finasteride Daily Does Not Affect Spermatogenesis or Semen Production in Young Men
Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
research COVID-19 and Andrology: Recommendations of the French-Speaking Society of Andrology
Wait 3 months after COVID-19 before trying assisted reproduction and further research is needed on COVID-19's effects on male hormones and fertility.
research A Teenage Girl with Unexpected Pubertal Changes
The girl's unexpected pubic hair growth led to a diagnosis different from complete androgen insensitivity syndrome.
research New Insights Into Testosterone Biosynthesis: Novel Observations From HSD17B3 Deficient Mice
Mice without the enzyme HSD17B3 still produce normal testosterone, suggesting they have different ways to make it compared to humans.
research Are Sex Hormones Promising Candidates to Explain Sex Disparities in the COVID-19 Pandemic?
Sex hormones like estrogen and testosterone may affect COVID-19 severity differently in men and women, potentially influencing prevention and treatment strategies.
research Intratesticular Control of Steroidogenesis
The testes control steroid production through complex interactions involving various cells and signaling molecules.
research Reproductive System, Male: Biology of Spermatogenesis and Toxicology
The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
research Androgen Biosynthesis and Gene Defects
Gene mutations can cause problems in male genital development.
research Novel Androgen Receptor Gene Variant Containing a Premature Termination Codon in a Patient with Androgen Insensitivity Syndrome
A new genetic change causing early stop in the androgen receptor gene was found in a patient with androgen insensitivity syndrome.
research Physiology of Male Gonadotropic Axis and Disorders of Sex Development
Understanding genes and hormones is crucial for managing male puberty and sex development disorders.
research Endocrine Functions of the Testes
The testes produce important hormones like testosterone and others that play key roles in male body functions.
research SOX9 in Organogenesis: Shared and Unique Transcriptional Functions
SOX9 is essential for the development of various organs and hair follicles.
research Testosterone Is a Contraceptive and Should Not Be Used in Men Who Desire Fertility
Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
research Exposure of Xenopus Laevis Tadpoles to Finasteride, an Inhibitor of 5-Alpha Reductase Activity, Impairs Spermatogenesis and Alters Hypophyseal Feedback Mechanisms
Finasteride exposure harms tadpole reproduction and hormone balance.
research A Case of Familial Male-Limited Precocious Puberty with a Novel Mutation
A boy with a rare form of early puberty caused by a new gene mutation responded well to treatment aimed at reducing testosterone and preserving adult height.
research Steroidogenesis of the Testis: New Genes and Pathways
New genes and pathways are important for testosterone production and male sexual development.
research Endocrine Disorders in Woodhouse-Sakati Syndrome: A Systematic Review of the Literature
Woodhouse-Sakati syndrome often causes sexual development issues, hair loss, learning disabilities, deafness, muscle contractions, limb pain, and diabetes.
research Male Hormonal Contraception: Looking Back and Moving Forward
New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
research Thyroid Hormones and Androgens Differentially Regulate Gene Expression in Testes and Ovaries of Sexually Mature Silurana Tropicalis
Thyroid hormones and androgens affect gene expression in frog reproductive organs differently between males and females.
research COVID-19 Pandemic: What About the Gonads?
COVID-19 may affect male fertility and women might have better outcomes due to hormonal and immune differences.