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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 document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.

Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.

Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

FOXN1 gene mutations cause a rare, severe immune disease treatable with cell or tissue transplants.

The conclusion is that CD90 is not a specific marker for fibroblast subtypes and better methods are needed to identify them.

Psychotropic medications can cause skin reactions, including severe conditions like SJS and TEN, and it's important for psychiatrists to recognize and manage these side effects.

Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.

Hair follicles are valuable for regenerative medicine and wound healing.

Regulatory T cells are essential for normal and improved wound healing in mice.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

Dogs could be good models for studying human hair growth and hair loss.

Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.

Wnt-10b is important for starting hair growth and developing hair follicles.

AIRE-deficient rats developed severe autoimmune disease similar to APECED, useful for testing treatments.

An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.

Toxic Epidermal Necrolysis is a rare, serious skin condition that can affect anyone, is more common in women, and may be linked to genetics, with a 20% mortality rate mainly due to sepsis.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Skin-derived stem cells can become various cell types, including germ cell-like and oocyte-like cells.

The document concludes that understanding how adult stem and progenitor cells move is crucial for tissue repair and developing cell therapies.

Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.

Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.

HPV16 oncogenes disrupt the normal activity of hair follicle stem cells.

ILK is essential for proper hair follicle development and structure.

Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.

Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.