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Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Elastic Net DNA methylation clocks are inaccurate for predicting age and health status; a "noise barometer" may better indicate aging and disease.

Gray hair can potentially be reversed, leading to new treatments.

Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.

Topical treatments can deliver active molecules to skin stem cells, potentially helping treat skin and hair disorders, including skin cancers and hair loss.

Changing allopregnanolone levels in baby rats affects their adult behavior and alcohol use.

The document concludes that while some organisms can regenerate body parts, mammals generally cannot, and cancer progression is complex, involving mutations rather than a strict stem cell hierarchy.

Adalimumab is the most effective treatment for severe hidradenitis suppurativa, but more research is needed to improve treatment options.

Dental pulp stem cells might not reliably become neurons.

Blocking RANK signaling might help treat metastatic melanoma, but more research is needed.

Early treatment of PCOS in teens is crucial to prevent long-term health issues like diabetes and heart disease.

Cell death shapes skin stem cell environments, affecting inflammation, repair, and cancer.

A group has developed therapies that show promise for treating cancer and various other conditions.

Implanted special stem cells from hair follicles helped heal wounds faster and with less scarring in mice.

Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.

Activating β-catenin increases melanocytes and decreases Schwann cells.

Proretinal nanoparticles are a safe and effective way to deliver retinal to the skin.

Early NAS level changes affect alcohol consumption vulnerability.

TLR3 signaling enhances the immunosuppressive properties of human periodontal ligament stem cells.

The document concluded that stem cells are crucial for skin repair, regeneration, and may help in developing advanced skin substitutes.

Dermatologists give better information on pathology forms, hypersensitivity vasculitis is a common skin issue, misdiagnoses can occur, and various skin conditions are linked to loss of elastin or genetic factors.

Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.

Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.

Epithelial stem cells can adapt and help in tissue repair and regeneration.

Hair color is determined by melanin produced and transferred in hair follicles.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Melanocyte stem cells are crucial for skin pigmentation and have potential in disease modeling and regenerative medicine.

Thy-1 protein helps improve blood flow and wound healing in the skin.

Stem Cell Educator therapy helps regrow hair and improve life quality in alopecia areata patients.

Tissue-specific variation in mutant load complicates genetic counseling and prenatal diagnosis.