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Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

AXR3 and SHY2 genes control the growth and timing of root hair development in plants.

Quercetin significantly helps hair growth by activating hair follicles and improving blood vessel formation around them.

The document concludes that combination therapy is most effective for treating excessive hair growth in women with idiopathic hirsutism, and more research is needed to understand the condition.

Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.

Blocking certain immune signals can reduce skin damage from radiation therapy.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

Topical immunotherapy is the best treatment for severe alopecia areata.

Different genes are active in dogs' hair growth and skin, similar to humans, which helps understand dog skin and hair diseases and can relate to human conditions.

Exosomes from hair papilla cells and the Chinese medicine Liao Tuo Fang can potentially promote hair growth and could be used to develop hair growth drugs.

The nail matrix has a reduced immune response, protecting it from autoimmunity.

Notch signaling disruptions can cause various skin diseases.

Different hair follicles in the skin are innervated by unique combinations of mechanosensory neurons, crucial for touch sensation.

Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.

Both gene and non-gene areas of DNA evolved to make some mammals hairless.

Meis2 is essential for touch sensation and proper nerve connection to touch receptors in certain skin areas of mice.

Scientists created complete hair-like structures by growing mouse skin cells together in a special gel.

The new topical growth hormone formula has high skin penetration and bioavailability.

iPSCs could help develop treatments for hair loss.

Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.

Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Human hair loss may have evolved to help increase brain size.

The study found that specific proteins are markers of hair follicle development in human fetuses.

The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.

Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.

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.

KCNQ potassium channels help control the sensitivity of touch receptors in the skin.