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The document concludes that while some organisms can regenerate body parts, mammals generally cannot, and cancer progression is complex, involving mutations rather than a strict stem cell hierarchy.

The document explains how hair follicles develop, their structure, and how they grow.

Retinoic acid helps change skin cells and is important for skin development and hair growth.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

Isotretinoin is a preferred treatment for severe acne, often leading to long-term improvement, but requires careful monitoring due to potential side effects.

The document concludes that effective acne treatment requires a personalized combination of therapies and long-term commitment, with retinoids being important for maintenance.

Androgen therapy might help some women with low libido, but it has risks and should be used carefully.

Adiponectin reduces inflammation and bone loss in joint replacements.

Hair follicle stem cells help skin heal and grow during stretching.

The research provides insights into hair follicle growth in forest musk deer by identifying key genes and pathways involved.

Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.

Early over-expression of FoxN1 harms immune and skin development.

The April 2014 issue of "Fertility and Sterility" discussed various reproductive health topics, including hormone therapy benefits, sperm and genetic factors in male infertility, and the link between PCOS and diabetes.

Some aggressive scalp cancers are hard to treat and can be deadly, even when removed with specialized surgery.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.

Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.

Growing human skin cells in a 3D environment can stimulate new hair growth.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Msx2 and Foxn1 are both crucial for hair growth and health.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.

Skin problems can be caused or worsened by physical forces and pressure on the skin.

Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.

Runx1 affects hair growth, cancer development, and autoimmune diseases in epithelial tissues.

Researchers found 71 genetic regions linked to male pattern baldness, which account for 38% of its genetic risk.

The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.