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Targeting the IL-23/IL-17 pathway effectively treats several inflammatory skin diseases.

Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Periodontal ligament stem cells show promise for regrowing tissues but require more research for safe, effective use.

Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

Different types of stem cells and their environments are key to skin repair and maintenance.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

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

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Oxidative stress contributes to hair graying and loss as we age.

Janus kinase inhibitors are promising treatments for autoimmune skin diseases like eczema and psoriasis.

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.