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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.

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.

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

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

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Fat cells in the skin help start healing and form important repair cells after injury.

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

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

MicroRNA-302 helps improve the conversion of body cells into stem cells by blocking NR2F2.

Different PIN proteins affect plant root hair growth by changing how auxin is transported.

Rhodococcus equi causes severe pneumonia in young foals, and effective vaccines are needed due to foals' weak immune responses.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

The research found that Atypical Progeroid Syndrome has unique symptoms and is not caused by the buildup of a certain mutant protein.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

New compounds were made that block an enzyme linked to breast cancer better than existing treatments.

Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.

PLD is an effective and safer alternative for treating breast cancer.

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

The TGM3 gene's promoter region is key for skin and hair cell function and may aid gene therapy.

Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.

A genetic region near the PAX1 gene is linked to a higher risk of scoliosis in females.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Thymus transplantation successfully restored immune function in infants with FOXN1 deficiency.

One minoxidil-sensitive potassium channel exists in human hair follicles.

Cystatin M/E strongly inhibits cathepsin V and cathepsin L, important for skin formation.

Scientists created stem cells that can grow hair and skin.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.