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Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.

Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.

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.

Melatonin treatment helps improve skin health in postmenopausal rats.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

Hair follicle regeneration needs special conditions and young cells.

Rac1 is essential for proper hair structure and color.

Hair follicle stem cells are important for maintaining healthy skin and interact with many signals.

The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

Older women face various skin issues like dryness and thinning, and treatments are available but can have side effects; proper skin care and legal health decisions are important.

AP-2α and AP-2β proteins are essential for healthy adult skin and hair.

Scopolin and scopoletin from Merremia peltata leaves may help treat hair loss and showed promising results in rabbit tests.

Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.

Certain microRNAs are important for sheep hair follicle development and could help improve wool quality.

Hair follicles are valuable for regenerative medicine and wound healing.

Eicosanoids are crucial for skin health, and targeting their pathways may help treat skin conditions.

Certain miRNAs may play a role in sheep hair follicle development, which could help improve wool production.

Platelet-Rich Plasma (PRP) shows promise for treating various skin conditions, but more research is needed to standardize its use.

Skin-derived stem cells can become various cell types, including germ cell-like and oocyte-like cells.

Eating collagen peptides may help with skin and hair growth.

Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.

Using patients' own fat-derived cells to treat alopecia areata significantly improved hair growth and was safe.

Different small areas within hair follicles send specific signals that control what type of cells stem cells become.

3D microenvironments in microwells improve hair follicle stem cell behavior and hair regeneration.

Feathers are useful for researching growth, regeneration, and the effects of treatments like chemotherapy on hair loss.

UV light helped human hair transplants survive in mice without broad immunosuppression.

Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.

Phospholipase A2 enzymes play key roles in skin health and disease.

The study concluded that both estrogen and androgen receptors, which decrease with age, are linked to skin aging and may be hormonally regulated.

Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.