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Thursday, October 24, 2013

Proposed Treatment To Fix Genetic Diseases Raising Ethics Issues

by ROB STEIN
NPR News
Originally published October 09, 2013

Here is an excerpt:

Specifically, the research would create an egg with healthy mitochondrial DNA (mtDNA). Unlike the DNA that most people are familiar with — the 23 pairs of human chromosomes that program most of our body processes — mtDNA is the bit of genetic material inside mitochondria, living structures inside a cell that provide its energy.

Scientists estimate that one in every 200 women carries defects in her mtDNA. Between one in 2,000 and one in 4,000 babies may be born each year with syndromes caused by these genetic glitches; the syndromes range from mild to severe. In many cases, there is no treatment and the affected child dies early in life.

The entire story is here.
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