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The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

LGR5 is a common marker of hair follicle stem cells in different animals and is important for hair growth and regeneration.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.

Skin aging is a complex process influenced by various factors, leading to wrinkles and sagging, and should be considered a disease due to its health impacts.

iPSCs show promise for hair regeneration but need more research to improve reliability and effectiveness.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

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

Blocking TSLP reduces skin inflammation and cell overgrowth in psoriasis.

Mechanical force is important for the first contact between skin cells and hair growth in mini-organs.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

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

Bio-pulsed stimulation increases production of beneficial vesicles from bird stem cells that improve skin and hair cell functions.

Keratin protein production in cells is controlled by a complex system that changes with cell type, health, and conditions like injury or cancer.

Mesenchymal stem cells help improve wound healing by reducing inflammation and promoting skin cell growth and movement.

Researchers found a new way to isolate sweat glands from the scalp for study and culture.

Fat under the skin can help hair grow longer, darker, and increase cell growth.

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.

Lgr5 is a marker for active, self-renewing stem cells in the intestine and skin, important for tissue maintenance.

The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.

Different fish use the same genes to regrow teeth.

Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Androgen receptor activity blocks Wnt/β-catenin signaling, affecting hair growth and skin cell balance.

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

Different types of stem cells help maintain and heal skin.

Skin and hair can help us understand organ regeneration, especially how certain stem cells might be used to form new organs.