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Human skin can make serotonin and melatonin, which help protect and maintain it.

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.

The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.

The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.

Hair loss in men is common, treatable, but not curable.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

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

Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

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

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

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.

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

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

Applying a special compound can promote hair growth without harmful side effects.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.

Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.

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

Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.

Antioxidants can benefit skin health but should be used carefully to avoid negative effects.

Minoxidil and finasteride treat hair loss; more research needed for other options.

Human hair follicles produce and respond to erythropoietin, helping protect against stress.