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A special gene region controls the re-emergence of a primitive wool type in Merino sheep, improving their wool yield and adaptability.

Editing the FGF5 gene in sheep increases wool length, confirming its role in hair growth.

Mutations in the SRD5A3 gene cause a new type of glycosylation disorder by blocking the production of a molecule necessary for protein glycosylation.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

Deleting the Hoxc13 gene in frogs shows its crucial role in developing skin structures similar to hair.

New treatments for hair loss, fertility, and wound healing are being explored.

RNA can be extracted from horsehair roots for analysis.

Thyroid-related genes are active in skin cells and may affect autoimmune conditions.

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.

The more lipophilic the progesterone derivative, the better it binds to androgen receptors and has antiandrogenic effects.

Certain small molecules can promote hair growth by activating a cellular cleanup process called autophagy.

Different species use the same genes for tooth regeneration.

Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.

New cells are added to the hair's dermal papilla during the active growth phase.

Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.

The document concludes that proper diagnosis and treatment of common scalp disorders are important for both physical and psychological health.

Keratin from hair and wool is used in medical materials for healing and drug delivery.

New DNA analysis and machine learning are advancing forensic science, improving accuracy and expanding into non-human applications.

A gene deletion causes the "hairless" trait in Iffa Credo rats.

The study found that the protein Dkk4 helps regulate hair growth by controlling Wnt signaling in mice.

Activating the GDNF-GFRα1-RET signaling pathway could potentially promote skin and limb regeneration in humans and could be used to treat hair loss and promote wound healing.

Mice with LSS deficiency showed hair loss and cataracts, similar to humans, and can help in understanding and treating this condition.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Astrotactin proteins are important for brain and skin development and are linked to several neurodevelopmental disorders.

Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.

The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.

Certain drugs change freshwater snail shells to a "banana" shape.

Odontogenic keratocysts are caused by abnormal Hedgehog signaling and can lead to tooth and bone issues.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.