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Certain immune cells contribute to severe hair loss in chronic alopecia areata, with Th17 cells possibly having a bigger impact than cytotoxic T cells.

FoxN1 overexpression in young mice harms immune cell and skin development.

New treatments for skin conditions related to the sebaceous gland are being developed based on current research.

Stem cells compete for space using cell adhesion, and mutations can affect their competitive success, with implications for tissue health and disease.

WNT7A gene expression is higher in early stages of androgenetic alopecia, showing the role of WNT pathway, apoptosis, and inflammation in the disorder.

Feathers are useful for researching growth, regeneration, and the effects of treatments like chemotherapy on hair loss.

Certain transcription factors are key in controlling skin stem cell behavior and could impact future treatments for skin repair and hair loss.

The skin's basement membrane is specially designed to support different types of connections between skin layers and hair follicles.

Topical treatments can deliver active molecules to skin stem cells, potentially helping treat skin and hair disorders, including skin cancers and hair loss.

New cytokine-targeted therapies show promise for treating alopecia areata.

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

Cell death shapes skin stem cell environments, affecting inflammation, repair, and cancer.

Liquid nitrogen cryotherapy worked well for many patients with stubborn alopecia areata.

Combining epinephrine with a steroid may help regrow hair in severe alopecia areata cases.

High TSPEAR levels in colorectal cancer predict worse outcomes.

High TSPEAR levels in colorectal cancer predict worse outcomes.

Myoepithelial cells can repair airways after severe injury.

The document concludes that understanding how the skin's immune system and inflammation work is complex and requires more research to improve treatments for skin diseases.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

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

Blood vessels and specific genes help turn cartilage into bone when bones heal.

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

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.

Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.

Abnormal Hedgehog signaling in blood cancers may help tumors grow and resist chemotherapy, suggesting potential for targeted treatments.

Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.