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Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

Calcium microcapsules are better for long-term use in artificial dermal papilla, while barium microcapsules are good for short-term.

Mesenchymal stem cells could help treat aging-related diseases better than current methods.

The new microwell device helps grow more hair stem cells that can regenerate hair.

Adding TERT and BMI1 to certain skin cells can improve their ability to create hair follicles in mice.

Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.

Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.

Exosomal miRNAs from stem cells can help improve skin health and delay aging.

Mesenchymal stem cells show promise for effective skin repair and regeneration.

Targeting the HEDGEHOG-GLI1 pathway could help treat keloids.

Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.

A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.

Umbilical cord blood is a valuable source of stem cells for medical treatments, but its use is less common than other transplants, and there are ethical issues to consider.

Stem cell and platelet-rich plasma therapies show promise for COVID-19 related hair loss, but more research is needed.

Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.

The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.

Changing hair follicle identity could potentially reverse balding.

Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.

Skin has specialized touch receptors that can tell different sensations apart.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.

Wound healing insights can improve regenerative medicine.

Hair follicles can help wounds heal faster and this knowledge could be used to treat chronic skin ulcers, with a potential use of a special stem cell hydrogel to enhance healing.

Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.

Cell aging can be both good and bad for tissue repair.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

Stem cells could improve plastic surgery but are not widely used due to cost and safety concerns.

Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.