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Parathyroid hormone-related protein helps control hair growth phases in mice.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

Thyroid function affects skin health, with a complex interaction between the two.

Despite progress in treatment, the exact cause of Alopecia areata is still unknown.

The document concludes that understanding and treating hair loss requires recognizing its various types and using appropriate diagnostic tools and treatments.

The skin's ability to produce hormones is linked to various skin conditions, and better understanding this process could lead to new treatments.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.

Low-level laser treatment helped rats regrow hair faster after chemotherapy.

Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.

Fat cells are important for tissue repair and stem cell support in various body parts.

Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

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.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.

Androgens may block hair growth signals, targeting this could treat hair loss.

Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.

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.

Live imaging has advanced our understanding of stem cell behavior and raised new research questions.

New treatments targeting skin stem cells show promise for skin repair, anti-aging, and cancer therapy.

Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.

Autoimmune diseases can cause hair loss, and early treatment is important to prevent permanent damage.

Human hair follicle dermal cells can effectively replace other cells in engineered skin.

STAT5 activation is crucial for starting the hair growth phase.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.