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Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Frontal fibrosing alopecia is a hair loss condition in postmenopausal women, similar to lichen planopilaris, with ineffective treatments.

Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.

Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

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

Fibrinogen/LDL apheresis may improve speech perception in sudden hearing loss, especially for those with high fibrinogen and LDL levels.

Stem cell niches support, regulate, and coordinate stem cell functions.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Guidelines for diagnosing common hair loss include detailed history, clinical examination, and various diagnostic techniques.

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.

Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.

Gene therapy with the Math1 gene helped regenerate balance-related cells and improve balance in mice.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

The research found that Atypical Progeroid Syndrome has unique symptoms and is not caused by the buildup of a certain mutant protein.

A genetic region near the PAX1 gene is linked to a higher risk of scoliosis in females.

The treatment helped reduce symptoms and stabilize the hairline in most patients with Frontal Fibrosing Alopecia, but hair regrowth was limited.

Dutasteride may help stabilize Frontal Fibrosing Alopecia, but more research is needed.

Turing patterns are now recognized as important in developmental biology.

The Wnt/β-catenin pathway is important for tissue development and has potential in regenerative medicine, but requires more research for therapeutic use.

BMP2 and BMP7 have opposite roles in feather formation.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.