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Keratin-associated proteins are part of the developing hair fiber cuticle.

The rat vibrissa follicle can quickly remodel its basement membrane during hair growth, affecting cell signaling and activity.

Disulfide bonds are crucial for hair structure during keratinization.

Harriet E. Wilson had a challenging career as a spiritualist in Boston, facing competition and possible racism.

Dermoscopy is useful for tracking alopecia areata treatment, with yellow dots and new vellus hairs being good indicators of hair regrowth.

Human hair keratins can form stable nanofiber networks that might help in tissue regeneration.

Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.

Adhesion molecules are crucial for the development of feathers and hair.

PIEZO1 helps keep hair follicle stem cells inactive, affecting hair growth.

Loss of Fz6 disrupts hair follicle and associated structures' orientation.

A cluster of sulfur-rich hair protein genes was found on chromosome 17.

Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.

Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.

Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.

Hair growth is cyclic and influenced mainly by local factors.

Improving artificial vascular grafts requires better materials and surface designs to reduce blood clotting and support blood vessel cell growth.

Ovarian and stress hormones can change GABA A receptors through neurosteroids.

High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.

Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.

Methotrexate treats various disorders by inhibiting DNA synthesis, but careful monitoring is needed to avoid toxicity and manage side effects.

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Periodontal ligament stem cells show promise for regrowing tissues but require more research for safe, effective use.

Male pattern hair loss could hint at androgens affecting COVID-19 severity.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Men's sensitivity to male hormones might affect how severe COVID-19 gets for them.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Understanding the mouse hair cycle is crucial for cancer research.

Wrinkles form due to structural skin changes and vary in type and treatment response.