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Latanoprost can make eyelashes longer, thicker, and darker.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Telocytes might help with skin repair and regeneration.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Alopecia areata causes hair loss, has no cure, and various treatments exist.

Stem cell self-renewal is complex and needs more research for full understanding.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

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.

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

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

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

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.

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.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

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.

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.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

Correct skin biopsy techniques are crucial to avoid misdiagnosis of skin diseases.

We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

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

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.