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

Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

Choose the simplest, most fitting scalp reconstruction method for each patient's unique needs.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

Bead-jet printing of stem cells improves muscle and hair regeneration.

Touching hair can activate nearby nerve cells through signals from the hair's outer layer.

Hair loss in men (androgenetic alopecia) is significantly linked to decreased scalp sensitivity, but not temperature sensitivity. More research is needed to confirm this. Comparing this hair loss to leprosy is unsupported and stigmatizing.

The document concludes that hair follicle regeneration involves various factors like stem cells, noncoding dsRNA, lymphatic vessels, growth factors, minoxidil, exosomes, and induced pluripotent stem cells.

PPAR-γ is important for healthy hair and its problems, and more research on PPAR-γ treatments is needed.

A woman got a serious eye infection after a hair loss treatment due to improper procedure.

Neurotrophins are important for hair growth and could help treat hair loss.

Microbial biofilms may cause red scrotum syndrome.

The herbal hair gel with Eclipta alba and Lippia nodiflora extracts was more effective at growing hair than the control gel and minoxidil.

Autologous platelet concentrates show promise in esthetic treatments but need more standardized research.

Thyroid problems can cause hair loss and change hair texture.

Neuropathic pruritus is a commonly overlooked and wrongly diagnosed type of chronic itching that is hard to treat.

Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.

The document concludes that accurate diagnosis and treatment of scalp itch require differentiating between various conditions using a proposed five-step evaluation process.

People with hair loss conditions often have more mental health issues like depression and anxiety compared to those without hair loss.

The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.

Researchers found a substance in chicken egg yolk that helps hair grow.

People with alopecia areata have higher levels of a heart disease marker in their blood.

Adalimumab significantly improves quality of life for patients with moderate to severe hidradenitis suppurativa.

Tet1/2/3 enzymes affect hair follicle cell development by influencing BMP signaling.

Hair follicles repair 3D injuries using a 2D healing process.

Electric current quickly reduces hand sweating but the effect doesn't last long.

Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.

Scalp pain should be classified as a type of headache.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.