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A specific protein in chicken embryos links early skin layers to feather development.

Activating the sonic hedgehog pathway in chicken embryos can permanently change scales to feathers.

The white wax scale insect's genome shows that complete metamorphosis evolved earlier than thought and highlights differences in male and female development.

Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.

Type VII collagen absence helps skin development by allowing tissue remodeling.

Scientists created feather buds in lab-grown chick skin using specific cell interactions.

Feather patterns in birds are shaped by signaling interactions and cell movements, with EDA/EDAR crucial for pattern formation.

Hair follicles can be a good source of stem cells like those from bone marrow.

Epidermal β-catenin activation changes the dermis by signaling different fibroblast types.

Stiffer hydrogels better promote stem cells turning into hair follicle cells.

Nestin-expressing progenitor cells become outer root sheath keratinocytes.

Retinoic acid can change skin structures in vertebrates, like turning scales into feathers or hair buds into glands.

CD34+ cells from fat tissue help form hair follicles and blood vessels in skin.

The research mapped gene activity in developing mouse skin and found key markers for skin cell types and changes from fetal to early postnatal stages.

The exact identity of skin stem cells and how skin cells differentiate is not fully known.

Epimorphin helps shape and develop epithelial cells, like those in hair follicles.

Jag2 is essential for proper skin cell differentiation and organization.

Megestrol acetate helps fat-derived stem cells grow, move, and turn into fat cells through a specific receptor.

Lower TGFß1 levels help stem cells become beige fat cells.

Hair follicle cells resist turning into skin cells.

Fat and hair follicle stem cells can become neurons, useful for treating brain diseases.

The Gsdma3 gene is essential for normal hair development in mice.

Key genes influence melanin in chicken muscles, affecting their value.

Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.

Gene regulation evolved differently in mouse and chicken skin, but remained stable in their trunks.

Meis1 is crucial for skin health and tumor development.

The skin's basement membrane has specialized structures and molecules for different tissue interactions, important for hair growth and attachment.

Chromosomal differences affect how muscle cells respond to testosterone.