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Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.

TREM2 macrophages and unsaturated lipids contribute to acne inflammation.

Precise skin sampling is crucial to understand the role of P. acnes in acne.

SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.

Chromosomal changes, including those in the WRN gene and rDNA, may significantly contribute to aging.

Folliculin deficiency causes problems with cell division and positioning due to disrupted RhoA signaling and interaction with p0071.

FGF13 gene changes cause excessive hair growth in a rare condition.

Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.

Melanoma's complexity requires personalized treatments due to key genetic mutations and tumor-initiating cells.

Androgen self-administration might be controlled by membrane receptors, not nuclear ones.

Zebrafish helped find new ways to prevent drug-induced hair cell death and potential treatments for hearing loss.

Stress in hair follicle stem cells causes inflammation in a chronic skin condition through a specific immune response pathway.

Taking 1 mg of finasteride daily can increase hair count and improve hair appearance, but it may have side effects on sexual function and a potential risk of prostate cancer. It may not be effective for postmenopausal women unless taken in higher doses.

Melanocyte stem cells are crucial for skin pigmentation and have potential in disease modeling and regenerative medicine.

Radiofrequency treatment helps rejuvenate skin by boosting collagen and blood vessel growth.

Adults should not consume more than 255 micrograms of selenium per day to avoid risk of hair loss and other side effects.

Low selenium levels can extend lifespan but worsen health issues.

Five preservatives may disrupt hormone function and need more health and environmental risk assessment.

Quercetin effectively treated and prevented hair loss in mice.

The supplement helps improve hair growth and reduce hair shedding.

Thallium, mercury, selenium, and colchicine strongly cause hair loss.

Auto-antibody testing is a useful but not definitive tool in diagnosing interstitial lung diseases, and using a specific algorithm could make testing more cost-effective.

B-Raf and C-Raf are essential for maintaining melanocyte stem cells to prevent hair graying.

Healing of heart and skin wounds in animals are similar.

Loss of Msx2 function causes eye development issues similar to Peters anomaly.

Certain brain hormones and chemicals are linked to the development of Polycystic Ovary Syndrome.

Older men with low levels of a testosterone byproduct had a higher chance of developing an irregular heartbeat.

Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.

Some drugs may help treat both COVID-19 and radiation injury.

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