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Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.

Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.

Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Adrenal glands delay the start of winter fur growth in mink.

Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.

Hormones and daylight changes control when cashmere goats shed their hair.

The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.

Hormones like testosterone and estrogen significantly affect hair growth and structure.

Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.

Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.

Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.

The conclusion is that effectively treating hair disorders is difficult due to the complex factors affecting hair growth and more research is needed to improve treatments.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Lack of sleep in mice leads to prostatitis by reducing certain hormones and activating an inflammatory pathway, which can be temporarily fixed with normal sleep.

Melatonin receptors, found in many body parts, can help treat various diseases like depression and diabetes due to their effects on inflammation, tumor progression, sleep disorders, and body mass regulation.

Melatonin affects mouse skin and may regulate skin functions.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

Blocking prolactin increases the activity of secondary hair follicles in cashmere goats.

The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.

High mTORC1 activity slows hair growth and causes it to lose color.

Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.

The conclusion is that understanding the complex relationship between allergies, autoimmunity, and psychological factors is key to treating skin disorders with itching.

Sex steroids affect the MafB gene differently in male and female hamsters.

OCT4 helps granulosa cell growth in early-stage follicles, and FSH increases OCT4 through specific pathways.

Transfollicular drug delivery is promising but needs more research to improve and understand it better.