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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.

Pilose antler extracts help hair growth by activating hair follicle stem cells.

Wnt and Shh signaling are key in noggin-induced tumors, and blocking them can slow tumor growth.

A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.

Immune cells are essential for early hair and skin development and healing.

Two microRNAs affect hair follicle development in sheep by targeting specific genes.

Sweat gland development involves two unique skin cell programs and a temporary skin environment.

The anti-CXCL4 antibody helps mice grow hair faster and prevents hair loss.

Hair follicles can be used to quickly assess drug effects in cancer treatment.

Mast cells play a significant role in hair loss conditions like male pattern hair loss and alopecia areata.

A synthetic octapeptide may help promote hair growth and counteract hair loss.

The Wnt/β-catenin pathway is important for body functions and diseases, and targeting it may treat conditions like cancer, but with safety challenges.

Human dermal stem cells can become functional skin pigment cells.

High LGR5 levels in glioblastoma indicate poor prognosis and are essential for cancer stem cell survival.

Stem cells in hair follicles can become various cell types, including neurons.

PRC2 is essential for maintaining intestinal cell balance and aiding regeneration after damage.

Human stem cells can help form hair follicles in mice.

New therapies are being developed that target integrin pathways to treat various diseases.

Non-coding RNAs could help detect and treat radiation damage.

Melanoma's complexity requires personalized treatments due to key genetic mutations and tumor-initiating cells.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

Follistatin and LIN28B together improve the ability of inner ear cells in mice to regenerate into hearing cells.

Sox6 is important in heart and kidney health, affecting diseases like diabetes, heart disease, and high blood pressure.

Melatonin could be an effective treatment for Alzheimer's Disease and rosacea.

Melatonin helps goat hair stem cells grow and maintain their ability to become different cell types.

UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.

Foxp3+ Regulatory T Cells are important for immunity and tolerance, affect hair growth and wound healing, and their dysfunction can contribute to obesity-related diseases and other health issues.

Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.

Blocking YAP/TAZ could be a new way to treat skin cancer.

Hair follicle stem cells change states with age, affecting hair growth and aging.