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Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

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

Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.

Red deer antler extract helps hair grow by extending the growth phase and increasing cell growth in hair follicles.

Skin-derived precursors in hair follicles come from different origins but function similarly.

Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.

Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.

Stem cell self-renewal is complex and needs more research for full understanding.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Researchers isolated a new type of stem cell from mouse skin that can renew itself and turn into multiple cell types.

The review found that different stem cell types in the skin are crucial for repair and could help treat skin diseases and cancer.

Stem cell differentiation is crucial for skin barrier maintenance and its disruption can lead to skin diseases.

Stem cell therapies show promise for treating various diseases but face challenges in clinical use and require better monitoring techniques.

Humans have limited regenerative abilities, but new evidence shows the adult brain and heart can regenerate, and future treatments may improve this by mimicking stem cell environments.

Eating less can improve stem cell function and increase lifespan.

Different light affects cell functions and can help treat skin conditions.

Insulin-lowering medications show promise for PCOS symptoms but can't be the main treatment yet due to limited long-term research.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.

The study found that women with hyperandrogenic PCOS have higher levels of AKT1 and AKT2 proteins in their cells, which may lead to cell dysfunction.

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.

Inhibiting EGFR weakens skin's defense against bacteria.

Adult esophageal cells can start to become like skin cells, with a key pathway influencing this change.

The anti-ageing treatment market is growing by exploiting fears of ageing with unproven promises, which could harm public trust and genuine science.

Intestinal stem cells can help repair skin damage from radiation.

Human sebaceous glands can grow back in skin grafts on mice and work like normal human glands.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

The risk of skin tumors becoming malignant depends on the specific skin cell type affected.

Metabolic signals and cell shape influence how cells develop and change.