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Fish teeth and taste bud densities are linked and can change between types due to shared genetic and molecular factors.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

The skin and thymus develop similarly to protect and support immunity.

Environmental cues can change the fate and function of epithelial cells, with potential for cell therapy.

Hair follicle stem cells can form both hair follicles and skin.

Different types of long-lasting stem cells are responsible for the growth and upkeep of the mammary gland.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Scientists found ways to identify and collect skin stem cells, which vary by skin area and are delicate.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

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.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

RANK is a key target in breast cancer treatment due to its role in tumor growth and bone metastasis.

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

The document concludes that understanding dermal papilla cells is key to improving hair regeneration treatments.

Embryonic and adult stem cells are valuable for improving skin grafts and cell therapy.

Skin's epithelial stem cells are crucial for repair and maintenance, and understanding them could improve treatments for skin problems.

Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.

Activating β-catenin increases melanocytes and decreases Schwann cells.

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.

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.

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

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.

Researchers created rat liver stem cells that could help repair liver failure in rats and may be useful for studying human liver diseases.

Adult stem cells are important for tissue repair and have therapeutic potential, but more research is needed to fully use them.

A specific DNA region is crucial for Foxn1 gene expression in thymus cells but not in hair follicles.