Cells which have not fully differentiated yet, i.e. with the potential to develop into other kinds of cells through asymmetric cell division.

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What metabolically happens when an egg fuses with the nucleus of a somatic cell

In stem cell biology, it is recognized that embryonic stem cells are transcriptionally inactive for the first 3 days of development. However, during somatic cell nuclear transfer, the nucleus is ...
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28 views

How can stem cells be counted in body?

In the study of supercentenarian woman here, it was found that all her blood cells are formed from only two stem cells (ancestor stem cells). How scientists can distinguish cell ancestors? Aren't ...
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63 views

Movement of stem cells from mother to fetus

Recent results from J Lee Nelson and colleagues (Sci Am. 2008 Feb;298(2):64-71; available as full text through Google) show that cells from the mother were found in a person aged 46. Logically, these ...
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27 views

Can fingerprint patterns be changed using gene therapy?

Not to confuse with your "DNA fingerprint" I've read surgery is readily used to not just remove but even to change people's prints through employing very small grafts between opposing hands. About 5 ...
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112 views

Which of these methods is both effective and reliable in elongate muscle and tendon for use in humans: growth factors or stem cell technology

Which method is it the most effective, but also the most reliable for elongating muscle and tendons for clinical trial; using modern growth factor technology or using modern stem cell technology? ...
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23 views

from an ageing reproductive stem cell's DNA to baby's “brand new” somatic cells' DNA

On the one hand, somatic cells's DNA age as life goes on, mitosis after mitosis, and that is reflected into reduced telomeres. On the other hand, during life, reproductive stem cells must age too. ...
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20 views

Is this a legitimate teratoma for a human pluripotent stem cell assay?

I can't quite make out this teratoma: ...
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25 views

Why are embryonic germ cells considered stem cells?

In a class that I'm taking we were presented 3 types of stem cells. Adult stem cells which come from bone marrow Embryonic stem cells which come from embryos Embryonic germ cells which come from ...
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18 views

How are Stem Cells Produced for Stem Cell Based Therapies?

I was doing an initial search on google but couldn't come up with anything I'm looking for. I know were stem cells come from and a bit about their levels of differentiation. For example, embryonic ...
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Stem cells and if they can correct a lack of apoptosis

If a cell ,call it C1 has no functioning apoptosis mechanism could a stem cell somehow be 'induced' to be like C1 , at least have the same genome as C1. Then use this stem cell 'duplicate' to ...