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Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

Stem cell niches are adaptable and key for tissue maintenance and repair.

Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.

A specific group of slow-growing stem cells marked by Thy1 is crucial for skin maintenance and healing in mice.

Cell size controls when stem cells divide.

Melanocyte stem cells in hair follicles are key to understanding and potentially preventing hair graying.

The secretions of mesenchymal stem cells could be used for healing without using the cells themselves.

The secretome from mesenchymal stem cells is a promising treatment that may repair tissue and avoid side effects of stem cell transplantation.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Using defensins to activate stem cells may improve skin aging signs without causing inflammation.

RhoA helps skin stem cells grow, aiding wound healing.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Stem cells are crucial for tissue growth, cancer treatment, and disease modeling, but challenges remain in clinical use.

Calcium is important for stem cell function and maintenance, especially in blood and skin cells.

Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.

Eating less can slow aging and help keep stem cells healthy by cleaning out damaged cell parts.

New materials help control stem cell growth and specialization for medical applications.

LGR5 and LGR6 are expressed differently in various skin tumors, which may offer clues about their origins.

Skin stem cells remember past inflammation, helping them respond better to future injuries and possibly aiding in treating skin issues.

Tcf3 and Lef1 are key in deciding skin stem cell roles.

Stem cells help heal wounds by rapidly dividing and migrating to the wound edge.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

Hair stem cell regeneration is controlled by signals that can explain different hair growth patterns and baldness.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.