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

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

The conclusion is that managing androgen excess requires long-term treatment, including hormonal contraceptives and androgen blockers, with follow-up after six months.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.

Mice without the Sept4/ARTS gene heal wounds better due to more stem cells that don't die easily.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Muscles and nerves that cause goosebumps also help control hair growth.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.

Stem cells are crucial for tissue growth, cancer treatment, and disease modeling, but challenges remain in clinical use.

The circadian clock influences the behavior and regeneration of stem cells in the body.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

Hair grays due to oxidative stress and fewer functioning melanocytes.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

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

mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.

Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.

Blocking a specific enzyme might help treat obesity and diabetes, but more research is needed to ensure it's safe.

Advanced human skin models improve drug development and could replace animal testing.

Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.

Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.

Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.

Beta-caryophyllene helps improve wound healing in mice, especially in females.

Oncogenic melanocyte stem cells can develop into melanoma similar to human cases.

Certain immune system proteins are important for skin healing but can cause problems if there are too many of them.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Oxidative stress is a key factor in the development of Polycystic Ovary Syndrome, and weight management can improve symptoms.

Noggin overexpression delays eyelid opening by affecting cell death and skin cell development.