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Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

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

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

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.

Researchers found a new gene area linked to male-pattern baldness, which, along with another gene, significantly increases the risk of hair loss in men.

Olive oil compounds may help prevent cancer in animals, but human results are mixed.

Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.

HFMs can help study hair growth and test potential hair growth drugs.

Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.

Researchers found 63 genes linked to male-pattern baldness, which could help in understanding its biology and developing new treatments.

Lamins are vital for cell survival, organ development, and preventing premature aging.

The p53 protein has complex, sometimes contradictory functions, including tumor suppression and promoting cell survival.

The guide explains how to study human and mouse sebaceous glands using various staining and imaging techniques, and emphasizes the need for standardized assessment methods.

Certain genetic markers, especially the MICA gene, are linked to alopecia areata.

The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.

Melatonin protects skin against UV damage by regulating various cellular processes.

Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.

Mutations in the androgen receptor gene cause Androgen Insensitivity Syndrome, affecting sexual development.

Stress can worsen skin conditions and affect mental health, so doctors should include stress management in skin treatment.

Understanding how epigenetic regulation affects stem cells is key to cancer insights and new treatments.

High-dose radiation speeds up aging in skin stem cells.

Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Adult skin cell-based early-stage skin substitutes improve wound healing and hair growth in mice.

Fetal-maternal stem cells in a mother's hair can help with tissue repair and regeneration long after childbirth.