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Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.

The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.

Minoxidil affects cell growth in two ways: low doses increase growth, while high doses slow it down and can be toxic.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.

Finasteride reduces new brain cells in male mice, possibly causing depression.

Mice without the Sp6 gene have problems developing several body parts, including hair, teeth, limbs, and lungs.

Oral retinoids are effective for treating severe skin disorders but have reversible side effects and risks for pregnant women.

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.

Scalp hair follicle culture has limits for testing minoxidil's hair growth effects.

Eating isoflavone can help mice grow hair by increasing a growth factor.

Steven Kossard classified lymphocyte-related hair loss into four patterns, each linked to different types of baldness.

Nanomaterials in biomedicine can improve treatments but may have risks like toxicity, needing more safety research.

Female donor to male recipient sex mismatch and positive ACA-IgG are key risk factors for vitiligo and alopecia areata in chronic GvHD patients.

Mice that can regenerate tissue have cells that pause in the cell cycle, which is important for healing, similar to axolotls.

Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.

Hormonal changes after childbirth and menopause can lead to women's hair loss and facial hair growth, with a need for better treatments.

The review found that different stem cell types in the skin are crucial for repair and could help treat skin diseases and cancer.

Intralesional therapy for keratoacanthoma is effective and has fewer side effects than systemic treatments.

PlncRNA-1 helps hair follicle stem cells grow and develop by controlling a specific cell signaling pathway.

Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

Herbal extracts may help hair grow and could be an alternative to synthetic hair loss treatments.

Using defensins to activate stem cells may improve skin aging signs without causing inflammation.

Hair follicle bulge cells don't help skin regrow after glucocorticoid damage; interfollicular epidermis cells do.

Stem cell differentiation is crucial for skin barrier maintenance and its disruption can lead to skin diseases.

Stem cells can rejuvenate skin, restore hair, and aid in wound healing.

Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.

The study used monkeys to test a hair loss treatment called minoxidil, which showed positive results.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

Acne lesions start with changes in hair follicles and increase in inflammation, suggesting a cycle that could affect treatment strategies.