Tag Archives: Embryonic stem cell

Precision gene targeting in stem cells corrects disease-causing mutations

Using two distinct methods, Whitehead Institute researchers have successfully and consistently manipulated targeted genes in both human embryonic stem (ES) cells and induced pluripotent stem (iPS) cells (adult cells that have been reprogrammed to an embryonic stem cell-like state).

In one case, scientists employed proteins known as zinc finger nucleases (ZFNs) to change a single base pair in the genome, allowing them either to insert or remove mutations known to cause early-onset Parkinson’s disease (PD). The second method relies on proteins called transcription activator like effector nucleases (TALENs) capable of altering specific genes with similar efficiency and precision as ZFNs.
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New Safer Way to Make Induced Pluripotent Stem Cells

Researchers at Johns Hopkins have found a better way to create induced pluripotent stem (iPS) cells—adult cells reprogrammed with the properties of embryonic stem cells—from a small blood sample. This new method, described last week in Cell Research, avoids creating DNA changes that could lead to tumor formation.

“These iPS cells are much safer than ones made with previous technologies because they don’t involve integrating foreign viruses that can potentially lead to uncontrolled, cancerous cell growth,” says Linzhao Cheng, Ph.D., an associate professor of medicine in the Division of Hematology and a
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Stem Cell Review: Biological Processes & Industrial Production

What are the biological processes that stem cells go through? What are the industrial processes we need to manufacturing? What do we know about cancer stem cells? How do iPS cells fit into the picture vs. embryonic stem cells? In this episode we investigate how the science and research of stem cells is being translated into industrial cell processes to create FDA approvable, and commercializable products. Differentiation, proliferation, migration, retro-differentiation, trans-differentiation, transformation into cancer cells, the role of tumors‘ micro environments and epigenetics and all reviewed here by the field’s foremost experts.

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Regenexx patients

Patients before and after Regenexx stem cell procedure educational video showing how it is done and patient’s results for knees and hips…

Local News does story on stem cell patient who received the regenexx procedure…

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Stem cell-gene therapy technique cures genetic disease in human cell line

Image by JohnnyRokkit via Flickr

Scientists are one step closer to creating a gene therapy/stem cell combination to combat genetic diseases. With work, this research may lead to not only curing the disease, but also repairing the damage left behind.

While gene therapy is a burgeoning field that has shown great results in treating genetic disorders, many of those diseases leave behind heavily damaged tissue that the body is unable to repair. So even if the disease is completely eradicated, quality of life may not necessarily improve, and without help, health can still continue to deteriorate.

Since stem cell research began, there
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