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Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

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

Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

The extracellular matrix is crucial for controlling skin stem cell behavior and health.

Androgen is important in controlling stem cell differentiation, reducing fat development, and increasing lean mass.

Stress can cause early aging in certain skin cells, leading to problems with hair growth.

Stem cells can help other stem cells by producing supportive factors.

The conclusion is that future hair loss treatments should target the root causes of hair thinning, not just promote hair growth.

Dogs could be good models for studying human hair growth and hair loss.

Hair follicle stem cells help maintain skin health and could improve skin replacement therapies.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

Scube3 gene affects mouse embryo growth in multiple areas, but needs more research.

Epidermal stem cells create and maintain skin structures like hair and nails through specific signaling pathways and vary by location and function.

The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.

Hair follicle stem cells are promising for blood vessel formation and tissue repair.

Dental pulp stem cells are better for tissue repair, while fat tissue stem cells may be more suited for wound healing and hair growth.

The document concludes that regenerating functional ectodermal organs like teeth and hair is promising for future therapies.

Runx genes are important for stem cell regulation and their roles in aging and disease need more research.

Fish teeth and taste bud densities are linked and can change between types due to shared genetic and molecular factors.

Stem cells and their exosomes show promise for repairing tissues and healing wounds when delivered effectively, but more research is needed on their tracking and optimal use.

Lower levels of certain genes in hair cells improve hair loss treatment outcomes.

Treating fat stem cells with low oxygen boosts hair growth cell growth through specific signaling pathways.

DNA methylation is essential for skin and hair follicle development, and could be a target for treating skin diseases.

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.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.

Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

New methods for skin and nerve regeneration can improve healing and feeling after burns.