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

Some cancer treatments can cause permanent hair loss.

Melanoma development can be linked to the breakdown of skin's melanin-producing units.

People with early graying hair often have lower levels of iron, ferritin, and calcium.

A young cat had a rare hair condition with twisted hair shafts but stayed healthy.

Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.

Age-related hair loss is linked to changes in blood vessels, stem cells, and aging cells, and understanding these can help keep hair healthy as we age.

β-catenin is essential for stem cell activation and proliferation in hair follicles.

Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.

Changing how mesenchymal stromal cells are grown can improve their healing abilities.

Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.

Removing part of the vitamin D receptor stops vitamin D from working properly.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Skin stem cells help repair damage and maintain healthy skin.

ATP-dependent chromatin-remodeling complexes are crucial for gene regulation, cell differentiation, and organ development in mammals.

Menopause can lead to skin and hair problems due to hormonal changes, but hormone replacement therapy might help slow these effects.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Stem cell self-renewal is complex and needs more research for full understanding.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Alopecia areata is likely caused by a combination of genetic factors and immune system dysfunction, and may represent different diseases with various causes.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

Wnt signaling is important for development and cell regulation but can cause diseases like cancer when not working properly.

Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.

Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.

Current and future treatments for alopecia areata focus on immunosuppression, immunomodulation, and protecting hair follicles.