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Dermatoscopy and videodermatoscopy are useful for diagnosing and monitoring various skin, hair, and nail conditions.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

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

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

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.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

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.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

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.

Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

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

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

There are many treatments for permanent hair loss disorders, but their effectiveness varies and there's no clear best option.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.

Skin fat helps with body temperature control and has other active roles in health.

Lichen planopilaris is a chronic, scarring hair loss condition with no definitive cure, requiring accurate diagnosis and treatment to manage symptoms.

Growth factors are crucial for hair development and could help treat hair diseases.

The Wnt/β-catenin pathway is important for tissue development and has potential in regenerative medicine, but requires more research for therapeutic use.

Conditioned media from mesenchymal stem cell cultures could be a more effective alternative for regenerative therapies, but more research is needed.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.