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Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.

Hyaluronic acid injections can improve mouth opening and quality of life in scleroderma patients.

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.

Creating fully functional artificial skin for chronic wounds is still very challenging.

The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.

DNMT1 helps turn hair follicle stem cells into fat cells by blocking a specific microRNA.

The study mapped yak skin cells to understand hair growth better.

The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

Hair growth and development are controlled by specific signaling pathways.

Tea, especially green tea, shows promise in cosmetics for skin and hair benefits but more research is needed for effective use.

SOX9 helps determine stem cell roles by interacting with DNA and proteins that control gene activity.

SH-MSCs gel reduced IL-6 and increased TGF-β, suggesting it could treat alopecia.

Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.

Using rodents for research shows that health problems in the womb can cause diseases later in life.

The balance between androgen receptor and p53 is crucial for sebaceous gland differentiation.

DHT stops hair regrowth in mice, similar to human hair loss.

Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.

Substances from fat-derived stem cells can promote hair growth and counteract hormone-related hair loss by activating a key hair growth pathway.

Fibroblasts are crucial for tissue repair and inflammation, and understanding them can help treat fibrotic diseases.

Short telomeres contribute to aging and cancer, and while telomerase can delay aging, it may also promote cancer.

Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.

The article concludes that PRP might help with hair loss, but more detailed research is necessary.

Poor maternal nutrition can lead to fewer wool follicles in Chinese Merino sheep.

Keratinocytes and adipose-derived stem cells can effectively heal difficult skin wounds.

Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.

The review suggests that a special cell-derived treatment shows promise for various skin conditions and hair growth but needs more research for confirmation.

Androgens affect bone and fat cell development differently based on the cells' embryonic origin.

Injecting minced fat into the facial artery can cause severe eye problems and death, more so than other fat types, and larger amounts increase these risks.

Gefitinib and Sasam-Kyeongokgo together significantly reduce cancer growth and improve immune response in mice.