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Nerves are crucial for the regeneration of various body parts in many animals.

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

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

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

Sebocytes play a key role in controlling androgen levels in human skin.

Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.

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

Certain mutations in a hair growth-related gene cause a type of genetic hair loss.

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

Different types of skin cells have unique genetic markers that affect how likely they are to spread cancer.

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

Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.

CDP is crucial for lung and hair follicle cell development.

Certain inhibitors slow down plant growth by causing early cell specialization without changing the cell development pattern.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

RNAi-based biopesticides could be safe and effective for pest control with careful development and risk assessment.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.

Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.

Adam10 enzyme is crucial for healthy skin and proper Notch signaling.

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

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

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.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.

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

Fat cells in the skin help start healing and form important repair cells after injury.

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