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Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.

Mammalian organs regenerate using stem cells and cell plasticity, but this ability declines with age.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.

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

Aging causes skin stem cells to work less effectively.

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

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

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

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.

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.

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

Skin fat helps with body temperature control and has other active roles in health.

BMAL1 and Period1 genes can influence human hair growth.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.

Certain genes control the color of human hair by affecting pigment production.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.

Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.

Red ginseng may improve immunity, fatigue, memory, blood circulation, and menopausal symptoms, and is generally safe to consume.

Platelet preparations generally show positive effects on wound healing and facial rejuvenation, but more thorough research is needed to confirm their effectiveness.

Boosting Wnt signaling improves skin wound healing.

Notch signaling is essential for healthy skin and hair follicle maintenance.