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Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

The circadian clock is crucial for tissue renewal and regeneration, affecting stem cell functions and having implications for health and disease.

Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Women with PCOS often have skin problems like excessive hair, acne, hair loss, and dark patches, which can be treated with hormonal and non-hormonal therapies.

Jasmonic acid and its derivatives play important roles in plant health and have potential uses in medicine and agriculture.

5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.

Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.

Different scaffold patterns improve wound healing and immune response in mouse skin, with aligned patterns being particularly effective.

Wnt signaling is crucial for skin wound healing and reducing scars.

Anti-acne medications may work by reducing the activity of a protein involved in acne development.

Plant extracts effectively reduce hair loss and increase growth, offering a safe alternative treatment.

Apoptosis is crucial for healthy skin and treating skin diseases.

Edible seeds from the Cucurbitaceae family like pumpkin and watermelon seeds are nutritious and may have health benefits, but eating too much can cause side effects.

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.

Skin tumor regression is helped by retinoic acid signaling blocking Wnt signaling.

Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.

Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

Vitamin C helps adipose-derived stem cells grow and may support hair growth.

Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.

Using fat stem cells and blood cell-rich plasma together improves healing in diabetic wounds by affecting cell signaling.

Mobile phone radiation can cause DNA damage in human hair root cells.

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

Cells from a skin condition can create new hair follicles and similar growths in mice, and a specific treatment can reduce these effects.