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The new "differential stripping" method effectively measures how much substance gets into hair follicles.

Telocytes might help with skin repair and regeneration.

Blocking JAK-STAT signaling can lead to hair growth.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.

K_ATP channel gene mutations are linked to heart diseases, but more research is needed to understand the connection and treatment potential.

Aging causes skin stem cells to work less effectively.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

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

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

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.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

Fat cells in the skin help start healing and form important repair cells after injury.

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

Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

Different PIN proteins affect plant root hair growth by changing how auxin is transported.

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

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

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

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Fetal wound healing changes with development, affecting inflammation and collagen, which may influence scarring.

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

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

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.

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

Using nanostructured lipid carriers to deliver spironolactone could improve treatment for hair loss.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.