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Rats can't grow new hair follicles after skin wounds, unlike mice, due to differences in gene expression and response to WNT signaling.

Losing both ERBB2 and ERBB3 receptors in mice causes significant skin problems and inflammation.

Human skin xenografting could improve our understanding of skin development, renewal, and healing.

Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.

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

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Claudin-1 is important for the barrier function and growth of hair.

A rare scalp condition causing hair loss and cysts in young men can be treated effectively with a specific steroid injection.

Changes in the HR gene have influenced hair growth and may lead to hair loss conditions in humans.

Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.

The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.

The mouse model suggests male pattern baldness may be due to an enzyme increasing DHT and higher androgen receptor levels in hair follicles.

The document concludes that successful surgical repair of scalp and forehead issues requires careful planning and various techniques depending on the injury or defect size.

Using cheek skin and cartilage grafts for nose reconstruction after skin cancer surgery can maintain shape and function but may require multiple surgeries and hair removal in men.

Choose cost-effective emollients for dry skin conditions and prescribe appropriate amounts.

The document suggests using safer, plant-based hair products instead of harmful synthetic ones.

The Anchor Flap is an effective, quick treatment for severe baldness but requires skilled surgeons and careful patient selection.

A young goat with skin issues improved with medication and supplements.

The herbal hair oil effectively promotes hair growth, nourishes the scalp, and prevents dandruff.

New treatments for hair loss, fertility, and wound healing are being explored.

Low-level light therapy, possibly combined with other treatments, may become a leading hair loss treatment, while hirsutism often worsens with age and lacks preventive options.

Fat-related cells are important for initiating hair growth.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Lgr5 is a marker for active, self-renewing stem cells in the intestine and skin, important for tissue maintenance.

β-catenin in the dermal papilla is crucial for normal hair growth and repair.

The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.