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

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

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

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

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

KGF and activin are crucial for skin healing and repair.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Laminin-511 is crucial for early hair growth and maintaining important hair development signals.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

New nanocomposites with copper show promise for healing burn wounds and regenerating skin.

Oxidative stress affects hair loss in men with androgenetic alopecia.

All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.

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

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

Conditioned media from mesenchymal stem cell cultures could be a more effective alternative for regenerative therapies, but more research is needed.

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.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

TNF family proteins are crucial for the development of skin features like hair, teeth, and mammary glands.

Hair mineral analysis might help diagnose diseases early, but standard methods are needed.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.