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Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Trichoscopy can diagnose female hair loss with high accuracy by looking for specific patterns in hair and scalp appearance.

The conclusion is that the risk of losing significance in meta-analysis results increases with smaller effects and more missing data, and using the median standard deviation for imputation is recommended.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Surgery is the main treatment for liver hydatidosis, but has risks; albendazole is the most effective drug but can have side effects.

Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Insulin sensitizers may slightly reduce hirsutism but are less effective than other treatments.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.

New single-cell analysis techniques are improving our understanding of stem cells and could help in treating diseases.

Formyl-peptide receptor agonists could be new anti-inflammatory drugs.

Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

Fullerenes show potential in skin care but need more safety research.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.

Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.

Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.

A wearable device using electric stimulation can significantly improve hair growth.

Microneedling is a safe and effective treatment for various skin conditions, often preferred for its fewer side effects and shorter recovery time.

Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.

Obesity increases the risk of developing polycystic ovary syndrome, and weight loss can improve the condition.

Metformin improves hair growth and menstrual frequency in women with PCOS and hirsutism.