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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.

Thyrotropin-releasing hormone may help control skin and hair growth and could aid in treating related disorders.

There are two types of stem cells in rodent hair follicles, each with different keratin proteins.

Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.

Understanding keratinization is crucial for treating skin conditions like ichthyoses and psoriasis.

Scientists created stem cells that can grow hair and skin.

Different keratin types have unique amino acid patterns that are evolutionarily conserved.

Telomere damage affects skin and hair follicle stem cells by messing up important growth signals.

AP-2α and AP-2β proteins are essential for healthy adult skin and hair.

The document concludes that recent research has improved understanding of skin diseases and the balance between cell growth and differentiation in the epidermis.

Mice without certain skin proteins had abnormal skin and hair development.

Retinoids can help treat skin disorders by improving the skin's outer layer.

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

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Laminin 332 is essential for normal skin cell behavior and structure.

Keratinocytes from dog hair follicles can create a functional skin layer in a lab model, useful for dog skin therapy.

Human hair keratins can form stable nanofiber networks that might help in tissue regeneration.

Hormones control keratin production in skin and hair.

Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.

Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.

Removing HIF-P4H-2 from certain skin cells in mice causes hair loss on the body but not the head.

Lipin-1 is important for skin cell differentiation and skin barrier function.

Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.

Without keratin 10, there's more growth and development of oil-producing skin cells.

The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.

The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.

A new film made from human hair supports skin cell growth better than collagen.

Skin cells from people with Epidermolysis Bullosa Simplex have abnormally placed and less active mitochondria.

Loss of keratin K2 causes skin problems and inflammation.

Both Th1 and Th2 immune responses are increased in alopecia areata, with Th2 response more strongly linked to how severe the disease is.