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Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.

Human body follicles have diverse structures and functions important for health.

Newly divided skin cells quickly move to join skin structures due to tissue tension and specific signals.

Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.

The research found genetic differences in identical twins that could explain why one twin has a disease while the other does not.

Skin cell behavior is influenced by the tightness of nearby cells, affecting their growth and development.

Skin cells control immune cell placement, helping the skin respond better to challenges.

Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.

The research suggests that the global distribution of PCOS is likely due to historical human migration and that genes affecting PCOS may have different impacts on males and females.

Placental components enhance blood vessel growth.

Sonic hedgehog signaling is needed for the development of touch-receptor cells in the skin, and the loss of Polycomb repressive complex 2 can lead to more of these cells.

The PI's development is closely linked to skin and hair pigmentation in macaques.

Integumentary organs adapt and evolve for survival, with potential uses in regenerative medicine.

Different types of resting melanocyte stem cells have unique characteristics and vary in their potential to become other cells.

Low IRES/Cap translation is linked to higher stem cell potential.

PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.

3DEEP reveals early hair follicle stem cell formation and niche establishment before hair bulb development.

Human stem cells have diverse sources and potential uses in medicine.

Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.

Cornification evolved from keratinization in vertebrates, with differences between mammals and sauropsids.

Activin A and follistatin control when ear hair cells form in mice.

EPI-NCSCs from hair follicles may help treat brain development issues in mice.

miR-29a-5p prevents the formation of early hair structures by targeting a gene important for hair growth and is regulated by a complex network involving lncRNA627.1.

Keratin expression reflects cell organization and differentiation, not causes it.

Mandarin duck sail feathers change with seasons due to hormones and genetic regulation.

Some types of extracellular matrix can change how human skin cells grow but don't affect their basic functions.

Extracellular matrix components affect stem cell growth and adhesion differently based on their source.

Understanding phenotypic plasticity is crucial for developing effective cancer therapies.

Mouse and human skin development share similar fibroblast timelines.

Low iron levels are linked to more hair loss in non-menopausal women.