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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.

The study suggests that hypothyroidism may cause alopecia areata.

Different types of inactive melanocyte stem cells exist with unique characteristics and potential to develop into other cells.

Shi-Bi-Man activates hair follicle stem cells and promotes hair growth by changing lactic acid metabolism and other cellular processes.

SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.

Super-enhancers controlled by pioneer factors like SOX9 are crucial for stem cell adaptability and identity.

Growing human skin cells in a 3D environment can stimulate new hair growth.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.

Lymphatic vessels are essential for hair follicle growth and skin regeneration.

Drug repositioning is becoming more targeted and efficient with new technologies, offering personalized treatment options and growing interest in the field.

Minoxidil improves blood flow and vessel flexibility, potentially helping with vascular stiffness.

Arctiin helps protect hair cells from damage and death caused by oxidative stress.

Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.

miR-195-5p reduces hair growth ability in cells by blocking a specific growth signal.

Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.

COVID-19 may harm male fertility and damage the reproductive system.

Scientists made stem cells that can grow hair by adding three specific factors to them.

ILK is essential for skin development, pigmentation, and healing.

Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.

Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.

Finasteride affects frog testes by increasing testosterone, decreasing 5α-DHT, and impacting genes related to reproduction and other functions.

Mutations in Plcd1 and Plcd3 together cause severe hair loss in mice.

Polycomb Repressive Complex 2 is not needed for hair regeneration.

Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.

Pantethine may boost the immune system's ability to fight sarcoma.

TRM21 helps control flavonoid production and root hair growth in Arabidopsis thaliana.

Exosomes from special stem cells help treat ulcerative colitis by reducing inflammation and stress.

Keratinocytes and adipose-derived stem cells can effectively heal difficult skin wounds.

Vav2 changes how hair follicle stem cells' genes work as they age, which might improve regeneration but also raise cancer risk.