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Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Two teenage brothers had a rare, treatment-resistant form of female-pattern hair loss with unusual scalp changes.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Ketoconazole shampoo with finasteride improves hair density in men with hair loss.

Hair follicle stem cells can form both hair follicles and skin.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Scientists have made progress in growing mini-organs and regenerating parts of the skin, with plans to treat hair loss in a future trial.

Current hair regeneration methods show promise but face challenges in maintaining cell effectiveness and creating the right environment for hair growth.

Activating Notch signaling can kill basal cell carcinoma cells.

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

Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.

Epidermal stem cells help heal severe skin wounds and have potential for medical treatments.

Stem cell niches are crucial for regulating stem cell renewal and differentiation, and understanding them can help in developing regenerative therapies.

S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.

The study mapped yak skin cells to understand hair growth better.

The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.

AGA causes hair loss by shrinking hair follicles due to DHT binding, and can be treated with finasteride and minoxidil.

Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.

Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.

Killing specific cells in hair follicles can lead to hair growth problems in mice.

Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.

Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.

The microenvironment, especially mechanical forces, plays a crucial role in hair growth and could lead to new treatments for hair loss.

Small molecule DMF improves psoriasis and multiple sclerosis, adult skin cells can be made to grow new hair, certain skin cells initiate hair growth, IL-17C controls gut health and can cause skin inflammation, and skin cells produce IL-17 that can lead to psoriasis.

Fat-related cells are important for initiating hair growth.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Stem cell therapy may help treat tough hair loss cases.

Scientists found cells in hair that are key for growth and color.

Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.

Bioengineering can potentially treat hair loss by regenerating hair follicles and cloning hair, but the process is complex and needs more research.