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Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

Most hair follicle stem cells do not protect their DNA by dividing it unevenly.

The conclusion is that grasping how cells determine their roles through evolution is key, with expected progress from new research models and genome editing.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

Cells lacking the Bax protein can outcompete others, leading to better tissue repair and hair growth.

Vitamin D receptor is crucial for skin 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.

Conditioned media from mesenchymal stem cells show promise for tissue repair and disease treatment, but more research is needed on their safety and effectiveness.

Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.

Human sweat glands have a type of stem cell that can grow well and turn into different cell types.

The document concluded that stem cells are crucial for skin repair, regeneration, and may help in developing advanced skin substitutes.

Improving the environment and cell interactions is key for creating human hair in the lab.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.

Melanocyte stem cells are crucial for skin pigmentation and have potential in disease modeling and regenerative medicine.

Hair follicle stem cells help maintain skin health and could improve skin replacement therapies.

The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.

Diabetes causes lasting cell dysfunctions, leading to serious complications even after blood sugar is controlled.

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

Melanocytes are important for normal body functions and have potential uses in regenerative medicine and disease treatment.

Vitamin D and calcium are important for quick and effective skin wound healing.

PCAT1 helps hair growth by controlling miR-329/Wnt10b.

Understanding skin structure and development helps diagnose and treat skin disorders.

Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.

Scientists found markers called CD34 and CD200 that help identify stem cells in mouse and human hair follicles.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Hair loss caused by genetics and hormones; more research needed for treatments.

Heredity and hormones cause common hair loss, and topical minoxidil is the first recommended treatment.

Alk1 in specific cells is crucial for proper nerve branching and hair function.

Hair in mammals likely evolved from glandular structures, not scales.