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Different types of stem cells and their environments are key to skin repair and maintenance.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Skin grafts on mice can cause an immune response leading to hair loss, useful for studying human hair loss conditions.

Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).

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.

Hibiscus rosa-sinensis leaf extract helps hair grow longer and faster.

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

Stress can stop hair growth in mice, and treatments can reverse this effect.

Oxidative stress contributes to hair graying and loss as we age.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.

Janus kinase inhibitors are promising treatments for autoimmune skin diseases like eczema and psoriasis.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

No single treatment is consistently effective for alopecia areata, and more research is needed.

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.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

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

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

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

Platelet-rich plasma (PRP) is a cheap and easy treatment for hair loss, but not suitable for everyone. It also helps in healing ulcers, rejuvenating skin, and improving hair transplants.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Applying a special compound can promote hair growth without harmful side effects.

Finasteride may cause long-lasting sexual side effects.

Minoxidil and finasteride can slow hair loss and stimulate regrowth, but won't restore all lost hair or reverse complete baldness.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.