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2011 dermatology discussions highlighted stem cell hair treatments, new lichen planopilaris therapies, skin side effects from cancer drugs, emerging allergens, and the link between food allergies and skin issues.

Pica disorder in central Iraq is mainly found in females and is linked to low iron levels; treatment with iron improves most patients.

Lymphatic vessels are important for skin repair and could affect skin disease treatments.

Androgens can cause hair growth in some areas but hair loss on the scalp.

Exosomal miRNAs from stem cells can help improve skin health and delay aging.

SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.

Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.

The gel with icariin speeds up wound healing, reduces scarring, and helps hair growth by controlling BMP4 signaling. It also reduces inflammation and improves wound quality in mice, adapts to different wound shapes, and gradually releases icariin to aid healing. It also prevents too much collagen and myofibroblast formation during skin healing.

Newborn skin cells can change into wound-healing cells more easily than adult ones, which might explain why baby skin heals without scars. Understanding this could help treat chronic wounds and prevent scarring.

Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.

The article concludes that studying how skin forms is key to understanding skin diseases and improving regenerative medicine.

B-Raf and C-Raf are essential for maintaining melanocyte stem cells to prevent hair graying.

A Gsdma3 mutation causes hair loss due to stem cell damage from skin inflammation.

Fibroblast Growth Factors (FGFs) are important for tissue repair and regeneration, influencing cell behavior and other factors involved in healing, and are crucial in processes like wound healing, bone repair, and hair growth.

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

After skin is damaged, noncoding dsRNA helps prostaglandins and Wnts work together to repair tissue and promote hair growth.

Human Schwann cells can be quickly made from hair follicle stem cells for nerve repair.

Skin sheath cells help in hair growth and renewal after birth.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.

X-ray microbeams can mimic cosmic rays' effects on tissue, aiding wound healing and hair growth.

A protein from certain immune cells is key for new hair growth after skin injury in mice.

Exosomes can improve skin health and offer new treatments for skin repair and rejuvenation.

Fractional lasers could help hair regrowth in androgenic alopecia, but more research is needed to confirm their effectiveness and safety.

Using a specific binding agent and low doses of FK506 can stimulate stem cells, speeding up skin healing by 25% and improving skin quality in rats and mice.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Low-level laser therapy may help with hair regrowth in alopecia areata but its effectiveness for psoriasis and atopic dermatitis needs more research.

Human stem cells can help form hair follicles in mice.

Exosomes from dermal papilla cells help hair follicle stem cells grow and survive.

Sensory neuron remodeling and Merkel-cell changes happen independently during skin maintenance.