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Melatonin helps Cashmere goat hair follicles grow by affecting stem cell signals and the surrounding microenvironment.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

Fibroblast growth factors are crucial for hair follicle development and regeneration.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

The document explains how hair follicles develop, their structure, and how they grow.

The study provides insights into hair growth mechanisms in yaks.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

Two babies needed surgery to remove hair tightly wrapped around their toes to prevent serious injury.

Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.

Androgens can both increase body hair and cause scalp hair loss.

Wounds heal without scarring in early development but later result in scars, and studying Wnt signaling could help control scarring.

The document explains the genetic causes and characteristics of inherited hair disorders.

Ginseng, especially its component ginsenosides, can promote hair growth, reduce hair loss, and potentially treat conditions like alopecia by affecting cell pathways and cytokines.

Beard hair can be used for hair transplants in severe alopecia cases, with minimal complications and good results.

SIRT3 and SIRT7 genes may play a role in hair loss.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.

Eating too much or too little vitamin A can cause hair loss.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

Fully regenerating human hair follicles not yet achieved.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.

Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.

The type 3 IP3 receptor is important for controlling hair loss and growth.

Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.

Immune cells affect hair growth and could lead to new hair loss treatments.

Hormonal changes after childbirth and menopause can lead to women's hair loss and facial hair growth, with a need for better treatments.

The study suggests that a new protease inhibitor can make hair harder to pull out, potentially reducing hair loss.