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Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.

Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.

Gypenosides from Gynostemma pentaphyllum were found to have anti-aging effects, increasing skin collagen and reducing wrinkles.

Double-stranded RNA activates a pathway that causes a skin protein to be expressed in the wrong place.

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.

Turning white fat into brown-like fat could help fight obesity and type 2 diabetes.

Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

Wnt ligands are crucial for hair growth and repair.

Male pattern baldness involves genetics, hormones, and needs better treatments.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

Different types of stem cells and their environments are key to skin repair and maintenance.

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.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

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

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Wnt signaling helps control how brain stem cells divide and is important for brain repair after injury.

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

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

The circadian clock influences the behavior and regeneration of stem cells in the body.

Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.

The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.

Advanced nanocarrier and microneedle drug delivery methods are more effective, safer, and less invasive for treating skin diseases.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Lamins are vital for cell survival, organ development, and preventing premature aging.