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

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

New treatments targeting skin stem cells show promise for skin repair, anti-aging, and cancer therapy.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.

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

Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.

New hair can grow from large wounds in mice, but less so as they age, involving reprogramming of skin cells and specific molecular pathways.

A new nanoemulsion increases oxygen for hair cells, leading to better hair growth.

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.

Immune cells are essential for early hair and skin development and healing.

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.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Hair restoration surgery effectively treats hair loss with natural-looking results, using techniques like stem cells and platelet-rich plasma.

Tiny natural vesicles from cells might help treat hair loss.

Hair growth environment recreated with challenges; stem cells make successful skin organoids.

Plasmalogens activate a channel in cells that may stimulate hair growth.

Hair follicle stem cells can turn into many cell types and may help repair nerve damage and have other medical uses.

Cow milk sugars increase fat production and inflammation in skin oil cells.

Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.

Inactive hair follicle stem cells help prevent skin cancer.

Scientists made working hair follicles using stem cells, helping future hair loss treatments.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Prostaglandin D2 increases testosterone production in skin cells through a process involving reactive oxygen species, and antioxidants may help treat hair loss.

Wnt-signaling is regulated differently in skin cells and immune responses during wound healing.

The endocannabinoid system affects oil production and inflammation in skin cells.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.