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Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Mutant mice help researchers understand hair growth and related genetic factors.

Animal models have helped understand hair loss from alopecia areata and find new treatments.

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.

Dermal papilla cells help wounds heal better and can potentially grow new hair.

An imbalance between certain immune cells is linked to a chronic skin condition and may be influenced by obesity, smoking, and autoimmune issues.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Human skin cells can create new hair follicles when transplanted into mice.

Smoking harms skin health, causing slower wound healing, more wrinkles, and worsening some skin conditions, but may protect against certain others.

Fully regenerating human hair follicles not yet achieved.

Removing vitamin D and calcium receptors in mice skin cells slows down skin wound healing.

Immune cells affect hair growth and could lead to new hair loss treatments.

iNKT cells can help prevent and treat alopecia areata by promoting hair regrowth.

Researchers found a safe and effective way to pick genetically modified skin cells with high growth potential using CD24.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

Eating vitamin A affects hair growth and health by changing cell signals in mice.

Early treatment helps stop hair loss in women of color.

Hair transplants can make hair follicles larger and hair shafts thicker.

Modified stem cells that overexpress a specific protein can improve hair growth and reduce hair abnormalities in mice.

Scientists found ways to identify and collect skin stem cells, which vary by skin area and are delicate.

Transplanting a mix of specific skin cells can significantly improve the repair of damaged hair follicles.

Stem cells show promise for hair regrowth, but challenges remain.

Using scalp stem cells can improve hair transplants.

Transplanted hair follicles show significant changes after FUE, needing more research.

T cells and bacteria in the gut and skin help maintain health and protect against disease.

A new semi-automatic hair implanter could make hair transplants easier, more successful, and more accessible.

DNMT3A is crucial for healthy skin and hair growth.

Obesity can weaken the skin's ability to fight infections because fat cells stop and reduce the infection-fighting properties of nearby stem cells.

Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.

Male hormones may play a role in the development of heart disease, and more research is needed to understand their effects.