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In this study, administrating ovine prolactin accelerated secondary hair follicle reactivation and moulting in cashmere goats, while bromocriptine delayed these processes.

This article discusses the potential of using human hair follicles as a model to study prolactin's regulation and activities but reports no new experimental findings; the authors suggest further research in this area.

This study found that reducing circulating PRL levels is not necessary for the onset of winter hair growth in mink and that adrenal glands do not inhibit this process through DHEA or its metabolite Delta(5)-DIOL.

This review discusses the roles of hormonal pathways in regulating male sexual function, particularly highlighting the impact of testosterone, and reports no new research findings.

This study found that selecting Angus cattle for early puberty reduced their prolactin levels, which may indicate a response to changing day length.

The researchers reported that in mice, prolactin signaling in the skin epithelium inhibits hair follicle stem cell activation, promoting quiescence during periods of high serum prolactin like pregnancy and lactation.

This study found that serum metabolic profiles differ significantly between polycystic ovary syndrome patients and healthy controls, highlighting potential metabolic markers for diagnosing and prognosing PCOS.

This review discusses the possible impacts of prolactin on skin conditions like psoriasis, alopecia, and stress-related dermatoses, emphasizing the need for further research to explore its therapeutic potential.

This article argues that prolactin may have a role in sebaceous gland function and suggests it could be a potential target for treating skin conditions, but reports no new clinical findings.

This study found that hydralazine and minoxidil, two direct vasodilators, may worsen abdominal aortic aneurysm progression by increasing aortic degeneration and inflammation.

This study found that obesity in women may impair endometrial stromal function and contribute to reproductive complications, possibly due to metabolic influences rather than immune cell differences.

This study found that serum prolactin and dehydroepiandrosterone levels did not determine the onset of mink hair growth cycles, though their metabolites may influence other aspects of hair growth.

TSH influences keratin expression in human hair follicles.

In this study, elevated prolactin and DHEA-S levels along with reduced SBP were observed in fertile non-obese women with moderate body hair compared to controls, and ethynylestradiol plus desogestrel or cyproterone acetate treatment improved clinical outcomes by increasing SBP.

This study found that among men with Benign Prostatic Hyperplasia, treatment with the 5α-reductase inhibitor finasteride for three months significantly reduced levels of dihydrotestosterone and estradiol, hormones involved in prostate enlargement, without altering follicle-stimulating hormone or luteinizing hormone levels.

This study found that serum zinc levels were significantly decreased in obese women with polycystic ovary syndrome compared to their non-obese counterparts.

This study found that dihydrotestosterone treatment in female rats altered anterior pituitary gland gene expression, with significant repression of prolactin and inhibition of GnRH receptor gene expression, suggesting specific hormone production changes.

This study found that inhibiting prolactin secretion during the telogen phase can reduce the number of activated secondary hair follicles and the width of hair bulbs.

COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.

This review assesses the current literature on COVID-19's effects on male sexual and reproductive health, highlighting significant research gaps and providing guidance for patient counseling.

This review discusses the impact of COVID-19 on the endocrine system and reports no clinical results; the authors emphasize the need to investigate endocrine damage during and after COVID-19 infection.

This study found increased IL-18 levels in the endometrium of women with polycystic ovary syndrome, especially in those who are overweight, suggesting a link with body mass index.

This review discusses hypopituitarism's bidirectional relationship with COVID-19 due to metabolic comorbidities and pituitary risks, but it reports no new clinical results.

This study reported that the IL1A 4-bp indel polymorphism is associated with a reduced risk of alopecia areata in Chinese populations, possibly through miR-122 mediated regulation of IL-1α expression.

This study found a significant association between the IRS-2 gene variant and an increased risk of PCOS, especially in non-obese women in the Chinese population from Taiwan.

This review discusses how COVID-19 may affect gonadal function and potential gender differences, but reports no clinical results; it highlights possible mechanisms and new treatment approaches from recent literature.

This study found that women with PCOS had significantly elevated plasma levels of PAI-1, which correlated with insulin resistance and obesity.

This study found that Plakophilin 1 regulates innate immune responses in keratinocytes by controlling RNA helicase activity, balancing inflammation during epidermal immune challenges.

This study found that inhibiting AP-1 transcription factors in mice causes squamous tumors to transform into sebaceous tumors and regulates tumor cell lineage.

This study found that inhibiting AP-1 activity in mice can induce lineage transdifferentiation between squamous and sebaceous tumors, suggesting AP-1's role in maintaining tumor cell identity.