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Different processes create patterns in skin and things like hair and feathers.

Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.

The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.

Mice with a Gsdma3 gene mutation have thicker skin and longer hair follicle openings due to increased β-catenin levels.

HPV16-transformed cells can change human skin cell properties, aiding tumor growth.

Calcipotriol treatment for scalp psoriasis does not cause hair loss.

Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.

Women with PCOS have higher levels of AMH in their blood and follicles, and this can help predict their risk of overreaction to fertility treatments.

Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.

Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.

The study concluded that changing the culture conditions can cause sika deer skin cells to switch from a flat to a 3D pattern, which is important for creating hair follicles.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.

Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.

Krt6a-Cre transgenic mice help study gene effects on hair follicle development and tumor suppression.

Hair follicle stem cells help maintain skin health by moving to and supporting the skin's surface layers.

The protein aPKCλ is crucial for keeping hair follicle stem cells inactive and for hair growth and regeneration.

Poor blood supply in hair follicles is linked to nutrient deficiency in patients with female pattern hair loss, and adding more nutrients could potentially fix this.

DHT, a testosterone byproduct, causes male pattern baldness.

Hair loss in lupus is different from hair loss in alopecia areata and may indicate lupus activity.

Different patterns on the scalp help diagnose types of hair loss without needing a biopsy.

The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.

Permanent hair loss after a stem cell transplant can be a sign of chronic immune system attack on the scalp.

Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.

CD34 is absent in most basal cell carcinoma cells but present in surrounding skin.

Hair disorders need a holistic approach, including medical, cosmetic, and psychological support.

The conclusion is that FFA and LPP have similar scalp biopsy features, making them hard to distinguish histologically, and FFA may be a specific kind of scarring hair loss.

The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.

The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.

17β-estradiol may help hair growth by increasing cannabinoid receptor type 1.