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The farm-raised blue fox had a delayed winter coat cycle and abnormal hormone levels, but its hair growth and hormone changes were still linked.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.

Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.

Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.

Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.

Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.

Timing of light therapy affects horse coat growth, with photoperiod being crucial.

Carbamazepine can cause hair loss, which may reverse when the medication is stopped.

The document explains hair and nail biology, common hair loss conditions and treatments, oral and genital skin diseases, and the risks and treatments associated with squamous cell carcinoma.

Androgens can both increase and decrease hair growth in different parts of the body.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Trilostane effectively improved symptoms in dogs with a certain adrenal gland disorder.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

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

Prolactin affects hair growth cycles and can cause early hair follicle regression.

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

Hair shedding is an active process that could be targeted to treat hair loss.

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

Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

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