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Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Pregnancy often causes skin changes like darkening, stretch marks, and hair growth, which may improve after childbirth.

The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.

Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Laser therapy and hair growth factors significantly improve hair density in male baldness.

Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.

Hair follicle stem cells and mitochondria are key for hair growth, and targeting their activity could lead to new hair loss treatments.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

Fat-related cells are important for initiating hair growth.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Certain groups may need vitamin supplements to improve hair health and prevent other health problems.

Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.

Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.

Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.

Systemic diseases can cause hair loss, which is often reversible with treatment.

Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.

Graying hair happens due to aging and might be delayed by new treatments.

Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.

Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.

FP-1 is a key protein in rat hair growth, active only during the growth phase.

CTE and FPHL are different hair loss types with unique causes.

XMU-MP-1 stops cell growth in a human mini-organ and reduces the effectiveness of the chemotherapy drug paclitaxel.

The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.

Hdac1 and Hdac2 help maintain and protect the cells that control hair growth.

The document concludes that accurate diagnosis and appropriate management are crucial for treating various hair disorders, which have significant psychological impacts.