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Both Th1 and Th2 immune responses are increased in alopecia areata, with Th2 response more strongly linked to how severe the disease is.

The BMP/Smads pathway and Id2 gene control hair follicle stem cells, affecting their rest and growth phases.

Jagged-1 in skin Tregs is crucial for timely wound healing by recruiting specific immune cells.

A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.

Different immune responses cause hair loss in scalp diseases, with unique patterns in scalp psoriasis possibly protecting against hair loss.

Blocking a specific immune cell signal can trigger hair growth.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

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

Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Lactate production is important for activating hair growth stem cells.

Researchers created human hair follicles using a new method that could help treat hair loss.

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

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

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

PLD is an effective and safer alternative for treating breast cancer.

Animal models have helped understand hair loss from alopecia areata and find new treatments.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

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

Muscles and nerves that cause goosebumps also help control hair growth.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

Dermal papilla cells help wounds heal better and can potentially grow new hair.

Inactive hair follicle stem cells help prevent skin cancer.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.

Alopecia areata involves immune system imbalances that may lead to depression and anxiety.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

Androgens prevent hair growth by changing Wnt signals in cells.

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