( an skin construct produced melanin and...)Varied Applications of Adult Stem Cells to Treat Host of Disorders in Human,Health

an skin construct, produced melanin and responded to chemical cues from normal epidermis skin cells.

After 14 days, about 10% of the stem cells in the neuronal cell line -- a type of cell not present in skin or hair -- grew dendrites, the long extensions typical of nerve cells and expressed neuronal proteins. The neurotransmitter glutamate was also present in the cells, but the neurotransmitter dopamine was not detected.

Thirdly, about 80% of the stem cells grown in the muscle media differentiated into smooth muscle cells. These new muscle cells also contracted when placed in a collagen matrix.

Overall, the researchers showed that human embryonic stem cell media could be used to isolate and expand a novel population of multipotent adult stem cells from human hair follicles. "Although we are just at the start of this research, our findings suggest that human hair follicles may provide an accessible, individualized source of stem cells," says Xu. The researchers are now working on inducing other cell types from the hair sphere cells and testing the cells in animal models. Study co-authors are Hong Yu, Suresh M. Kumar, and Geza Acs, all from Penn; and Dong Fang, Ling Li, Thiennga K. Nguyen, and Meenhard Herlyn, all from the Wistar Institute, Philadelphia.

(Source: Eurekalert)
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