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Cobalt is important for health but too much or too little can cause health problems, and its environmental buildup is a concern.

Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.

Radiation damages salivary glands by harming blood vessels, but antioxidants might help protect them.

Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.

Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.

Cats with Feline Symmetrical Alopecia can regrow hair with proper treatment based on the specific cause, including diet, medication, or stress management.

Hair growth is cyclic and influenced mainly by local factors.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.

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

Crossbreeding certain European cattle breeds may cause hair and physical issues in cattle.

A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

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

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

Silver can help prevent and treat infections but its effectiveness varies and should be weighed against costs and side effects.

The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

Follistatin helps hair growth and cycling, while activin prevents it.

Muscles and nerves that cause goosebumps also help control hair growth.

Metabolic syndrome and PCOS are related but separate conditions, with metabolic syndrome increasing the risk of heart disease and diabetes.

IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Mutations in the PTPRQ gene cause significant balance issues in mice due to hair bundle defects in the inner ear.

Better hair care products are needed to protect against grooming and chemical damage.

Cosmetic hair products are important for hiding hair loss and improving satisfaction when combined with medical treatments.

Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.

The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

Plant-based remedies may treat hair loss by reducing inflammation and improving insulin resistance.