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Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

No treatment fully prevents hair loss from chemotherapy yet.

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

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

A new gene, JMJD1C, may affect testosterone levels in men.

Dermal Papilla cells are a promising tool for evaluating hair growth treatments.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

Blocking a specific enzyme might help treat obesity and diabetes, but more research is needed to ensure it's safe.

Blocking the enzyme 11β-HSD1 might help treat obesity and metabolic issues.

Nuclear hormone receptors play a significant role in skin wound healing and could lead to better treatment methods.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Skin problems can be caused or worsened by physical forces and pressure on the skin.

Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.

Compartmentalized organization might be crucial for stem cells to effectively respond to growth or injury.

A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.

The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.

The guide explains how to study human and mouse sebaceous glands using various staining and imaging techniques, and emphasizes the need for standardized assessment methods.

Different factors affect where drugs are absorbed in the small intestine, which is important for effective medication use.

Wnt, Eda, and Shh pathways are crucial for different stages of sweat gland development in mice.

Keratins are important for skin cell health and their problems can cause diseases.

Targeting glucocorticoid action might help treat type-2 diabetes, but human trials are needed.

Mutations in the hairless gene in mice affect its expression and lead to a range of developmental issues in multiple tissues.