Monday, February 1, 2016

British scientists get the green light for human gene editing

The Human Fertilisation and Embryology Authority in Britain—often referred to as the "fertility regulator"—has just given scientists a go-ahead to genetically modify human embryos. Research of a purely experimental nature will be carried out at the Francis Crick Institute in London. Scientists will nevertheless be prevented from implanting such modified embryos into women.

Experiments will be carried out in the first seven days after fertilisation, using the developed structure of the fertilized egg called a blastocyst, composed of several hundred cells.

The concept of gene editing came into existence through an experimental method known as clustered regularly-interspaced short palindromic repeats, abbreviated as CRISPR, and pronounced as "crisper". It is generally referred to as the CRISPR/Cas system, where Cas is the name of a protein. The following short video provides us with a summary of this fundamental and all-important methodology in genetics.

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