Articles on Stem cells

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A human embryonic stem cell. Stem cells are derived from very early embryos. (Annie Cavanagh/Wellcome Collection)

Stem cells have potent potential for diabetes treatment

Stem cells offer an extraordinary toolkit for science and medicine. Researchers are getting better at turning these pluripotent cells into specialized tissues, including insulin-producing beta cells.
The islets of Langerhans play a crucial role in blood sugar regulation. Fayette A Reynolds/Berkshire Community College Bioscience Image Library via Flickr

Transplanting insulin‑making cells to treat Type 1 diabetes is challenging − but stem cells offer a potential improvement

Type 1 diabetes develops when the body destroys its own insulin-producing cells. Using stem cells to replace them could be a way to get around donor shortages and transplant complications.
As an animal model, the zebrafish offers many advantages that save researchers time and money. Uri Manor/NICHD via Flickr

Zebrafish are a scientist’s favorite for early‑stage research – especially to study human blood disorders

Of the many qualities that make the zebrafish a model organism, the fact that it shares 70% of the genes humans have makes it an ideal candidate for developmental biology research.
Synthetic human embryos mimic the development of “natural human embryos,” those created by fertilization. (Shutterstock)

Synthetic human embryos could allow for research beyond the 14‑day limit, but this raises ethical questions

In June, the possibility of synthetic embryos was announced at a conference. This allows some research to extend beyond the 14-day rule, which restricts experimentation on embryos beyond this period.

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