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The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.

The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.

Male hair loss is caused by inactive hair follicle stem cells.

CCL5 is important for the hair growth potential of human dermal papilla cells.

Hair follicle stem cells can turn into many cell types and may help repair nerve damage and have other medical uses.

Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.

Scientists can now create skin with hair by reprogramming cells in wounds.

Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.

New treatments for hair loss show promise, including plasma, stem cells, and hair-stimulating complexes, but more research is needed to fully understand them.

Deleting the CRIF1 gene in mice disrupts skin and hair formation, certain proteins affect hair growth, a new compound may improve skin and hair health, blood cell-derived stem cells can create skin-like structures, and hair follicle stem cells come from embryonic cells needing specific signals for development.

Applying pseudoceramide improved skin and hair health.

Forensic hair analysis for drugs is now more reliable and accurate.

Boosting HGF signaling could improve the creation of hair follicles in lab-made skin.

Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.

Stem cells can create hair follicles, potentially treating permanent hair loss, and healthy skin and hair depend on mitochondrial function and special fats.

Hair growth can be induced by transplanting certain cells, but these cells lose their properties during culturing. The best cell interaction happens in a liquid medium under gravity, and using collagen doesn't help. Future research could focus on using growth factors to stimulate these cells.

AGD1 is important for root hair development in Arabidopsis, working with phosphoinositide signaling and the actin cytoskeleton.

ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.

Certain drugs can cause lupus, stopping these drugs is the main treatment. NB-UVB phototherapy clears psoriasis faster when applied three times a week. Monoclonal antibodies and oral pimecrolimus are effective in treating psoriasis. Smoking and drinking are linked to psoriasis in men. No direct link between low iron and hair loss was found. Vaccines are effective against genital herpes and human papillomavirus type 16.

Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.

Researchers found a genetic link for hereditary hair loss but need more analysis to identify the exact gene.

A five-month-old boy with Omenn syndrome successfully recovered after a stem cell transplant with reduced intensity conditioning.

Aging causes changes in scalp cells that can negatively affect hair health.

The SbbHLH85 protein helps sweet sorghum grow more root hairs but makes the plant more sensitive to salt.

Scientists successfully created fully functional hair follicles using bioengineering methods and stem cells.

The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.

Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.

Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.

Hormones affect skin aging and fat distribution, and treatments can help, but only minoxidil is proven for female hair loss.

Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.