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Using defensins to activate stem cells may improve skin aging signs without causing inflammation.

Sebum helps protect human skin from microbes.

Researchers created a 3D-printed skin model that grew human hair when grafted onto mice by improving blood supply to the grafts.

Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.

Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.

Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Targeting colon cancer stem cells might lead to better treatment results.

The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.

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

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

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

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

Targeting the IL-23/IL-17 pathway effectively treats several inflammatory skin diseases.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Janus kinase inhibitors are promising treatments for autoimmune skin diseases like eczema and psoriasis.

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

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

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

The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

Toll-like receptors are important for wound healing, but can slow it down in diabetic wounds.

Changes in skin microbes play a role in some skin diseases and could lead to new treatments.

Genetic variations affecting skin structure play a key role in severe acne.

All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.

MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.