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IGF-1 increases whisker growth in transgenic mice.

A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.

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.

Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.

Stem cells help remove dead cells to keep tissues healthy by balancing cell replacement and clearance.

The Hairless gene is crucial for healthy skin and hair growth.

Thyroid disease can cause skin, hair, and nail problems, and treating the thyroid condition often improves these symptoms.

Athletes usually get enough vitamins and minerals from a healthy diet, and supplements are only needed for those with actual deficiencies.

Substances from Ascidian tunics might help treat hair loss as effectively as Minoxidil.

Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

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

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.

Thymic transplantation normalized some T-cells but not others, maintaining immune function.

Some growth factors, while important for normal body functions, can cause diseases when not regulated properly.

Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.

Alternative treatments show promise for hair growth beyond traditional methods.

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

Pica disorder in central Iraq is mainly found in females and is linked to low iron levels; treatment with iron improves most patients.

Melatonin may help reduce the needed dose of prednisolone and improve hair growth in alopecia areata patients.

Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.

A new mouse model for vitiligo helps study immune responses and potential treatments.

Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.

Glycerol is essential for skin hydration in mice without sebaceous glands.

Sex hormones like estrogen and testosterone may affect COVID-19 severity differently in men and women, potentially influencing prevention and treatment strategies.

Innate immunity genes in hair follicle stem cells might have new roles beyond traditional immune functions.