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Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

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

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

Inflammation may be linked to hair loss, and targeting specific enzymes could help treat it.

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.

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.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

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

Skin-derived precursors in hair follicles come from different origins but function similarly.

Fullerenes show potential in skin care but need more safety research.

Skin fat helps with body temperature control and has other active roles in health.

A new mutation in the human glucocorticoid receptor reduces its function and causes resistance to glucocorticoids.

The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.

Blocking β-catenin in skin cells improves hair growth during wound healing.

Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

Hair shedding is an active process that could be targeted to treat hair loss.

Abnormal Hedgehog signaling in blood cancers may help tumors grow and resist chemotherapy, suggesting potential for targeted treatments.

Cancer development is like natural selection, involving mutated cells and environmental factors.

Topical JAK inhibitors may help treat some skin conditions but need more research.

New findings explain how genetic changes, body clocks, and certain molecules affect tissue response to stress hormones.

Epidermal stem cells could lead to new treatments for skin and hair disorders.

Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.