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External treatments can change hair growth patterns in nude mice.

Square-shaped hair loss can occur after treating a brain aneurysm due to localized radiation exposure.

Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.

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.

Stopping S100A3 activity slows down hair growth in mice.

Certain cannabinoids may help increase hair growth and could be useful for treating hair loss.

The research found genes that may protect certain scalp cells from hair loss.

Telogen Effluvium is a common, usually reversible hair loss condition, often improved by removing the trigger and possibly treated with various products, though their effectiveness is uncertain.

Certain miRNAs might be involved in a hair loss condition called frontal fibrosing alopecia and could possibly help in its diagnosis.

The study found that sweat glands normally suppress immune responses, but this is disrupted in certain skin diseases, possibly contributing to their development.

Researchers created human cells that can turn into sebocytes, which may help study and treat skin conditions like acne.

Finasteride helps female-pattern hair loss.

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

Fat-related cells are important for initiating hair growth.

Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Lactate production is important for activating hair growth stem cells.

A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Growth factors and cytokines are important for hair growth and could potentially treat hair loss, but more research is needed to overcome challenges before they can be used in treatments.

Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and 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.

mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.

Hair loss from Telogen Effluvium usually gets better within 6 months after addressing the cause.

Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.