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Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.

Understanding the fruiting patterns of Ficus trees can improve forest restoration by ensuring pollinators survive and biodiversity is supported.

Male genital development is driven by androgen signaling and understanding it could help address congenital anomalies.

The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.

Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.

α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.

Some natural compounds can protect fish ear cells from damage by certain antibiotics without affecting the antibiotics' ability to fight infections.

MED23 and GNAQ genes are crucial for chicken feather color.

Advancements in creating skin grafts with biomaterials and stem cells are promising, but more research is needed for clinical application.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.

Drug repurposing is a cost-effective way to find new uses for existing drugs, speeding up treatment development.

Gene therapy has potential as a future treatment for Hutchinson-Gilford progeria syndrome.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

Live imaging has advanced our understanding of stem cell behavior and raised new research questions.

Fibroblasts, cells usually linked to tissue repair, also help regenerate various organs and their ability decreases with age. Turning adult fibroblasts back to a younger state could be a new treatment approach.

Blocking TGFβ-RI signaling enhances surface ectoderm differentiation from human stem cells.

Cell aging can be both good and bad for tissue repair.

Disruptions in epidermal polarity genes can lead to skin diseases.

Mice without the Sp6 gene have problems developing several body parts, including hair, teeth, limbs, and lungs.

Skin organoids are a promising new model for studying human skin development and testing treatments.

A natural steroid in the body may protect against eye damage in glaucoma.

Steroidogenic isoenzymes may help improve treatments for common hair loss.

Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.

Hair follicles are valuable for regenerative medicine and wound healing.

Sulfur slightly improved diet estimates for grizzly bears, but hair growth timing varied, affecting results.

Meis1 is crucial for skin health and tumor development.

Inactivating β-catenin is essential for chick retina regeneration.

Adult stem cells are important for tissue repair and have therapeutic potential, but more research is needed to fully use them.