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The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.

The conclusion is that grasping how cells determine their roles through evolution is key, with expected progress from new research models and genome editing.

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

Men with balding at age 45 had higher IGF-1 and lower IGFBP-3, suggesting these factors might be important in male pattern baldness.

Men with balding at age 45 had higher IGF-1 and lower IGFBP-3 levels, suggesting these factors might influence male pattern baldness.

Functional foods can improve hair and skin health.

Activating TLR3 may help produce retinoic acid, important for tissue regeneration.

The document concludes that various signaling pathways and genetic factors are crucial for chicken feather development, affecting poultry quality.

Abnormal scalp whorls can indicate brain development issues but may also be seen in neurologically normal people.

Researchers found 15 new genetic links to skin traits in Japanese women.

The gene Tfap2b is essential for creating a type of stem cell in zebrafish that can become different pigment cells.

BMP2 and BMP7 have opposite roles in feather formation.

Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.

Cells from certain embryo parts can induce head formation in another embryo, involving complex signaling pathways.

Fish teeth and taste bud densities are linked and can change between types due to shared genetic and molecular factors.

The study created a tool that mimics natural cell signals, which increased cell growth and could help with hair regeneration research.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Different causes of beard hair loss have various treatments, including medications, lifestyle changes, and procedures to stimulate hair growth.

Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.

Epidermal stem cells create and maintain skin structures like hair and nails through specific signaling pathways and vary by location and function.

Scientists turned mouse skin cells into hair-inducing cells using chemicals, which could help treat hair loss.

Vismodegib is effective for basal cell carcinoma but has severe side effects.

Botulinum toxin injections can help treat common hair loss in men, but more research is needed to confirm this and understand how it works.

AP-2α and AP-2β are crucial for healthy skin and hair.

Hair camouflage methods like wigs and extensions can help Black women with alopecia feel better but may also damage hair if not used carefully.

The study suggests that a specific gene variation and higher gene activity are linked to increased baldness in Egyptian men.

Higher testosterone and DHT levels are linked to hair loss in men, but not to prostate cancer risk.

Retinoic acid-binding proteins in skin are regulated by β-catenin and Notch signalling.

Special proteins are important for skin balance, healing, and aging, and affect skin stem cells.