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Most vertebrates can regenerate skin, nails, and corneas, but only some can regenerate teeth and lenses.

Advancements in hair biology include new treatments and tools for hair growth and alopecia.

Dermal papilla cells can help form hair follicles and produce hair.

Dermal papilla cells can successfully grow and maintain hair follicles.

The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.

Aging can lead to poorer scalp and hair health, including less hair and more scalp diseases, which should be managed to help older people feel better.

The conclusion is that proper recognition and treatment of skin conditions are crucial for the elderly due to changes in skin, nails, and hair with age, and the impact of these conditions on health and mobility.

The document suggests that male hormones likely affect hair growth and baldness, and future treatments might involve stem cells and androgen-independent cells.

Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.

Wound healing is a complex process involving different cells and stages, leading to scar tissue formation and strength increase over time.

3D scaffolds mimicking the extracellular matrix are crucial for effective hair follicle regeneration.

New hair can grow at wound sites, which could help improve treatments for hair loss and wound healing.

Wound-induced hair follicle creation is a complex process in adult mammals that involves various cells and immune responses, and understanding it better could help improve skin healing strategies.

Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.

Stem cells can create hair follicles, potentially treating permanent hair loss, and healthy skin and hair depend on mitochondrial function and special fats.

Scientists have found a way to create hair follicles from human stem cells, which could potentially be used to treat hair loss.

Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.

After skin injury, adult mice can grow new hair follicles, and this process can be increased or stopped by manipulating Wnt signals.

TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.

Androgens can both increase and decrease hair growth in different parts of the body.

Hair follicle stem cells can generate all hair cell types, skin, and sebaceous glands.

Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.

New treatments targeting specific genes show promise for treating keratin disorders.

Different keratin types have unique amino acid patterns that are evolutionarily conserved.

Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.

FOXN1 gene variants cause low T cells and immune issues from birth.

Low androgen levels might delay prostate cancer but could lead to more aggressive, therapy-resistant cancers.

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

Scientists found cells in hair that are key for growth and color.