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UK to allow babies from three people

bbc.com

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Re: UK to allow babies from three people

#2
We (my beautiful wife and I) are currently going through the baby-making limbo, and it looks as though IVF will be the necessary next step. When you start actively trying to have children, there's loads of literature preparing you for the pregnancy swelling and the sleepless life of parenthood etc - less so preparing you for the anxiety, uncertainty, and just general feeling of not being in control of your life which comes from things not working for you.

I couldn't imagine the additional emotional turmoil that would come from repeated miscarriages, terminations etc. I'm really holding myself back from thinking about the ecstasy that a confirmed pregnancy will provide after our time and struggles - to have complications and loss after that would be devastating.

So bravo to the scientists working on this, to the parliament for 'permitting' it, and of course to those struggling wannabe parents having to fight for their family dream.

Re: UK to allow babies from three people

#4

We (my beautiful wife and I) are currently going through the baby-making limbo, and it looks as though IVF will be the necessary next step. When you start actively trying to have children, there's loads of literature preparing you for the pregnancy swelling and the sleepless life of parenthood etc - less so preparing you for the anxiety, uncertainty, and just general feeling of not being in control of your life which…

I have some friends who struggled with infertility, went through the whole IVF thing (big medical bills, without success) but ultimately had repeat success with the help of modern NFP methods such as NaPro and Billings:

http://www.thebillingsovulationmethod.org/

http://www.naprotechnology.com/

Re: UK to allow babies from three people

#7
I wonder how people will feel about two men being genetic parents to one baby (with the help of a surrogate mother) once it becomes technologically possible. In that case, no disease is being avoided, but I don't think it falls under the realm of a "designer" baby either. My guess is that many of us will live to see it happen.

Re: UK to allow babies from three people

#9
To those wondering, this does not involve gene splicing or anything like that.

Instead, defective mitochondria are being replaced with mitochondria from a healthy donor. This technique is only valid for diseases involving defective mitochondria.

The mitochondrial DNA is responsible for very very little of the genetic material that defines who a person is, essentially limited to how effective the mitochondria are at their job. This is around 0.1% of the total genetic code.

Mitochondria are organelles in our cells that break down molecules to provide energy for the cell, in the form of ATP. They have their own genetic code completely distinct from the host cell's DNA.

The mitochondria are replaced in either the egg OR in the embryo. In both cases this is done by removing the nucleus (containing the cell's genetic material) from the cell that has defective mitochondria and transferring it to a donor cell with healthy mitochondria. The donor cell's nucleus is completely removed.

The mitochondrial DNA is passed down from the mother alone, whilst the DNA in the embryo is formed from both the mother and father. For this reason mitochondrial DNA has much less genetic diversity. Mitochondria 'reproduce' by binary fission which is similar to bacterial cell division and produces little variation in its genetic code, whilst egg and sperm go through meiosis allowing the genetic code to be mixed.

Opposition seems to be coming from two camps.

- Those who don't like the destruction of the donor embryo (when that method is used),

- Those who think this is the start of ever more invasive genetic modification of humans, or so called "designer babies"

Re: UK to allow babies from three people

#10

I wonder how people will feel about two men being genetic parents to one baby (with the help of a surrogate mother) once it becomes technologically possible. In that case, no disease is being avoided, but I don't think it falls under the realm of a "designer" baby either. My guess is that many of us will live to see it happen.

Re-arranging the deck chairs on the Titanic doesn't seem like quite the right metaphor but at a time when the world's population is exploding this doesn't seem like our most pressing problem.
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