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Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.

Red deer hair cells offer a new way to study how hormones affect hair growth.

Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

Testosterone and some of its forms can strongly stimulate oil gland growth in skin.

A dog's hair loss was caused by a hormone-secreting testicular tumor.

FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.

A topical treatment safely and effectively reduced acne by causing targeted cell death in sebaceous glands without side effects.

Different types of dog hair loss are linked to problems starting the hair growth phase and early hair cycle ending.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

Using longer PEG chains helps nanoparticles penetrate hair follicles better, improving drug delivery for conditions like alopecia.

Formulation P-08-016 better targets hair follicles for baldness treatment.

Niosomes can effectively deliver Superoxide Dismutase to hair follicles, potentially helping prevent hair loss.

Hair follicles can be used to quickly assess drug effects in cancer treatment.

Dog skin with hair loss, when transplanted to mice, regrew hair, suggesting the hair loss cause is likely body-wide, not skin-specific.

Saw palmetto supplements may reduce prostate cancer cell growth without being toxic.

Researchers found a gene in hamsters that responds to male hormones and may be indirectly controlled by them.

Topical finasteride and flutamide reduce gland size and enzyme activity, with flutamide being more potent, potentially treating acne, seborrhea, hirsutism, and androgenic alopecia.

Male hormones control a specific gene in hamster skin, with different hormones having varying effects.

Certain adrenal hormones can strongly stimulate oil gland growth in hamster skin, similar to male hormones.

Pustules in toxic erythema are linked to hair follicles or sweat ducts.

As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Nanoparticles can deliver vaccines through hair follicles, triggering immune responses and providing protection.

DA liposomes with chloramphenicol effectively target hair follicles and combat MRSA with minimal skin toxicity.

Using tiny fat particles to deliver arginine to hair follicles could be a new way to treat hair loss.

The document concludes that treating female hair loss should target reducing excess androgen and blocking its effects on hair follicles, with the best treatments being hormonal therapy, adrenal suppression, and topical minoxidil.

Hairless HRS/J mice resist Bacillus anthracis skin infections due to high numbers of immune cells, not because they lack hair follicles.

Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.

The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.