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Removing the ATR gene in adult mice causes rapid aging and stem cell loss.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

The nanofibers with two growth factors improved wound healing by supporting structure, preventing infection, and aiding tissue growth.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

Stem cell offspring help control their parent stem cells, affecting tissue health, healing, and cancer.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.

Hair loss in men is common, treatable, but not curable.

Hair loss needs more research for better treatments.

Myrtle has various health benefits and potential for medicine development.

Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.

Pig skin is a good substitute for human skin to measure drug absorption, but differences in skin structure and enzymes across species must be considered.

Exosomes could potentially enhance tissue repair and regeneration with lower rejection risk and easier production than live cell therapies.

Substances from Chinese medicines show promise for immune support and disease prevention, but the way they are processed affects their effectiveness.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Researchers found a new gene area linked to male-pattern baldness, which, along with another gene, significantly increases the risk of hair loss in men.

Olive oil compounds may help prevent cancer in animals, but human results are mixed.

The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.

Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.

Scientists made the first metal-based compounds from a nonsteroidal antiandrogen drug, which showed potential in fighting both hormone-dependent and independent prostate cancer cells.

Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.

The study found that diseases can be grouped by symptoms and that the accuracy of predicting disease-related genes varies with the data source.

Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.

Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.

Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.

Hair shedding is an active process that could be targeted to treat hair loss.

Minoxidil promotes hair growth but stops working when discontinued.