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The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

Lupus can cause hair loss and nail changes, with treatments available for both.

Long COVID can cause long-lasting symptoms, but vaccination and early treatment can help prevent it.

Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.

Researchers used CRISPR/Cas9 to create a goat with a gene that increased cashmere production by 74.5% without affecting quality.

Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.

The PS-b-PAA copolymer nanomicelles are effective for delivering a cancer treatment drug in photodynamic therapy.

Nickel, cobalt, balsam of Peru, fragrance mix, carba mix, and propylene glycol are common allergens causing scalp contact dermatitis.

Dermoscopy is useful for diagnosing hair loss patterns in dogs.

Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.

Macrophages help maintain mammary stem cells and tissue balance through specific signaling pathways.

Injecting a mix of human skin and hair cells into mice can grow new hair.

Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.

Ionizing radiation causes irreversible skin damage, with single doses leading to acute injury and hair graying, and fractional doses causing more severe long-term tissue damage.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.

Trichoscopy helps quickly identify autoimmune diseases on the scalp but should be used with other standard tests.

Oncogenic K-ras causes rapid cancerous changes in the mouth's lining.

Vitamin E in the diet might help protect against hair loss caused by the chemotherapy drug doxorubicin in rabbits.

Delphinium plants have both medicinal benefits and toxic effects due to their alkaloids.

Impatiens plants have health-promoting compounds and are used for natural food coloring, but more research is needed to understand their full benefits.

Testosterone helps human pancreatic cells increase insulin release.

Decorin helps keep hair follicle stem cells and may prevent age-related hair loss.

Skin problems can be signs of hormone-related disorders and recognizing them early is important for treatment.

Intestinal stem cells can help repair skin damage from radiation.

Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.

Transfollicular drug delivery is promising but needs more research to improve and understand it better.

Bioengineered salivary glands in mice can produce saliva when tasting sour or bitter, but have different protein levels and nerve signals compared to natural glands.

A new skin disease in four Labrador retrievers responded well to immunosuppressive treatment.

A man developed a rare blood vessel connection on his scalp after hair transplants, which was successfully treated with surgery.