Stem Cell Sources
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Forum: Stem Cell Sources

Stem Cells can be derived from multiple sources.

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  1. Adult stem cells are undifferentiated cells found throughout the body after embryonic development that multiply by cell division to replenish dying cells and regenerate damaged tissues. Also known as somatic stem cells, they can be found in juvenile as well as adult animals and humans. Scientific interest in adult stem cells is centered on their ability to divide or self-renew indefinitely, and generate all the cell types of the organ from which they originate, potentially regenerating the entire organ from a few cells. Unlike embryonic stem cells, the use of adult stem cells in research and therapy is not considered controversial, as they are derived from adult rather than embryonic tissue samples.

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    Scientists Design and Test...

    by 12-02-2013, 03:30 PM Go to last post

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  3. Current research focuses on differentiating hESC into a variety of cell types for eventual use as cell replacement therapies (CRTs). Some of the cell types that have or are currently being developed include cardiomyocytes (CM), neurons, hepatocytes, bone marrow cells, islet cells and endothelial cells.[16] However, the derivation of such cell types from hESCs is not without obstacles and hence current research is focused on overcoming these barriers. For example, studies are underway to differentiate hESC in to tissue specific CMs and to eradicate their immature properties that distinguish them from adult CMs.[17] Besides in the future becoming an important alternative to organ transplants, hESC are also being used in field of toxicology and as cellular screens to uncover new chemical entities (NCEs) that can be developed as small molecule drugs. Studies have shown that cardiomyocytes derived from hESC are validated in vitro models to test drug responses and predict toxicity profiles.[16] hESC derived cardiomyocytes have been shown to respond to pharmacological stimuli and hence can be used to assess cardiotoxicity like Torsades de Pointes.[18]

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  4. Induced pluripotent stem cells, commonly abbreviated as iPS cells or iPSCs are a type of pluripotent stem cell artificially derived from a non-pluripotent cell - typically an adult somatic cell - by inducing a "forced" expression of specific genes. Induced pluripotent stem cells are similar to natural pluripotent stem cells, such as embryonic stem (ES) cells, in many aspects, such as the expression of certain stem cell genes and proteins, chromatin methylation patterns, doubling time, embryoid body formation, teratoma formation, viable chimera formation, and potency and differentiability, but the full extent of their relation to natural pluripotent stem cells is still being assessed.

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  6. Post General Stem Cell Science and Research Articles

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    Could Silly Putty help treat...

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