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Thursday, May 23, 2024

Strange, Baby Born From Three People’s DNA

A baby has been born using three people’s DNA for the first time in the UK, the fertility regulator has confirmed.
Most of their DNA comes from their two parents and around 0.1% from a third, donor woman.
The pioneering technique is an attempt to prevent children being born with devastating mitochondrial diseases.
Up to five such babies have been born, but no further details have been released.
Mitochondrial diseases are incurable and can be fatal within days or even hours of birth. Some families have lost multiple children and this technique is seen as the only option for them to have a healthy child of their own.
Mitochondria are the tiny compartments inside nearly every cell of the body that convert food into useable energy.
Defective mitochondria fail to fuel the body and lead to brain damage, muscle wasting, heart failure and blindness.
They are passed down only by the mother. So mitochondrial donation treatment is a modified form of IVF that uses mitochondria from a healthy donor egg.
However, mitochondria have their own genetic information or DNA which means that technically the resulting children inherit DNA from their parents and a smidge from the donor as well. This is a permanent change that would be passed down through the generations.


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