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Skin fat helps with body temperature control and has other active roles in health.

Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.

Human epidermal neural crest stem cells can become bone and skin pigment cells, making them useful for therapies.

Lichen planopilaris is a chronic, scarring hair loss condition with no definitive cure, requiring accurate diagnosis and treatment to manage symptoms.

The Wnt/β-catenin pathway is important for tissue development and has potential in regenerative medicine, but requires more research for therapeutic use.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

Fetal skin heals without scarring due to unique cells and processes not present in adult skin healing.

Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.

BMP2 and BMP7 have opposite roles in feather formation.

Mice studies show that Protein Phosphatase 2A is crucial for cell growth, development, and disease prevention.

FOXO1 is important for wound healing, but its dysfunction in diabetes can slow the healing process.

Six new genetic regions linked to early hair loss also connect to Parkinson's disease and prostate cancer, possibly leading to new treatments.

Notch1 helps skin heal by attracting specific immune cells.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

NF-κB is crucial for zebrafish heart repair, affecting heart cell growth and repair processes.

Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

Skin stem cells help maintain skin health, grow hair, and heal wounds.

Sponge helps heal wounds faster with less inflammation and better skin/hair growth.

Hair follicle regeneration needs special conditions and young cells.

Skin problems in COVID-19 patients are rare and may be due to the body's complex immune response or blood clotting issues.

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

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

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.

PAK4 is crucial in cancer progression, brain development, and could be a therapeutic target, especially through the PAK4-CREB axis.

Skin has specialized touch receptors that can tell different sensations apart.

Hormonal treatments can help with acne, especially in women, by lowering androgen levels or blocking their effects.

Smart biomaterials that guide tissue repair are key for future medical treatments.