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Energy-generating structures found in plant and animal cells. They contain a few genes, which mainly make proteins involved in energy metabolism.

Articles using this Glossary Item


Mitochondrial donation technique used in Ukraine, doctors claim

17 October 2016 - by Ayala Ochert

Two women in the Ukraine are pregnant with babies conceived through mitochondrial donation as a treatment for infertility, according to a report in New Scientist... [Read More]

Mitochondrial replacement therapy and the welfare of the child

17 October 2016 - by Dr Mair Crouch

The announcement of the birth of the first child conceived using mitochondrial donation was unforeseen. Nonetheless, in any country regulation should be required to protect the interests of the child... [Read More]

The Mexican mitochondrial case and moral supremacy

10 October 2016 - by Giulia Cavaliere

The announcement of the first baby born using mitochondrial spindle transfer, one of the two techniques that allow the replacement of faulty mitochondrial DNA, caught the UK scientific and bioethics community by surprise... [Read More]

World's first mitochondrial donation baby born

03 October 2016 - by Dr Julia Hill

In a world first, the birth of a baby boy who was conceived using mitochondrial donation has been reported... [Read More]

The Mexican mitochondrial fiasco

28 September 2016 - by César Palacios González

Dr John Zhang's team have opened a new door in terms of reproductive possibilities, but they may very well be instrumental in closing the assisted reproductive door for many people in Mexico... [Read More]

Book Review: GMO Sapiens - The Life-Changing Science of Designer Babies

30 August 2016 - by Julian Hitchcock

GMO Sapiens is just the annoying grit in the machine that the genome editing debate needs, but readers deserve clearer lines between science, speculation and opinion... [Read More]

Event Review: Ethical questions in mitochondrial donation

22 August 2016 - by Dr Reuven Brandt

This transnational symposium on mitochondrial donation covered issues ranging from methodological concerns about the development of policy governing mitochondrial donation, to particular ethical puzzles raised by the implementation of the procedures themselves... [Read More]

Mitochondrial donation case study finally published after 13 years

22 August 2016 - by Dr Özge Özkaya

Chinese researchers say an IVF technique called pronuclear transfer can safely produce a viable pregnancy... [Read More]

Ice-bucket challenge funds ALS gene discoveries

01 August 2016 - by Jenny Sharpe

Donations from the ALS 'ice-bucket challenge' have funded research that has led to the discovery of new genes linked to the disease... [Read More]

Matching mitochondrial and nuclear DNA: Much ado about nothing?

18 July 2016 - by Dr Dusko Ilic

A match of mitochondrial and nuclear genomes apparently affects healthy ageing in mice. But key questions need to be answered before stirring up implications for human mitochondrial replacement therapies... [Read More]

ESHRE 2016: Research highlights

11 July 2016 - by Ayala Ochert

A roundup of research stories from the annual meeting European Society of Human Reproduction and Embryology that hit the headlines this week... [Read More]

Smoking damages sperm through inflammation

04 July 2016 - by Lone Hørlyck

A study of smokers has found smoking damages their sperm, including their DNA and mitochondria, by triggering inflammatory processes in their semen... [Read More]

Sperm self-destruction may lie behind maternal mitochondrial inheritance

04 July 2016 - by Dr Katie Howe

Researchers have identified a gene that, when activated, causes mitochondria inherited from sperm to be destroyed shortly after fertilisation... [Read More]

Video Review: What If My Neighbour's Kid Was Genetically Modified?

04 July 2016 - by Simon Hazelwood-Smith

Paul Knoepfler's TEDx talk covers familiar ground – designer babies, segregation between 'natural' and GM children, unintended side effects, playing god, and eugenics all feature in his dystopian vision of a future involving genetically modified humans... [Read More]

Mitochondrial donation is safe, study suggests

13 June 2016 - by Dr Özge Özkaya

An extensive study examining human embryos created using mitochondrial donation has demonstrated that the technique does not adversely affect embryo development... [Read More]

Dutch government seeks to allow creation of human embryos for research

06 June 2016 - by Anneesa Amjad

The Dutch government is planning to change the law to allow for the creation of human embryos for research... [Read More]

Stem cell study suggests mitochondrial donation might not be 100 percent effective

23 May 2016 - by Dr Rosie Gilchrist

A study has identified a potential problem with mitochondrial donation, an IVF technique that aims to prevent the transmission of faulty mitochondria from mother to child... [Read More]

Nucleus, but no mitochondria – scientists probe weird organism

16 May 2016 - by Paul Waldron

A single-celled organism lacking mitochondria – cellular structures thought to be essential for all complex lifeforms – has been identified by scientists... [Read More]

Mitochondrial mutations could hamper stem cell therapies

25 April 2016 - by Dr Julia Hill

A study has found that stem cells from older people accumulate high numbers of mitochondrial DNA mutations, which could limit their therapeutic value... [Read More]

Mitochondrial replacement techniques: US-style

15 February 2016 - by Dr Peter Mills

The US NAS has published a report on the ethical, social and policy considerations relating to mitochondrial replacement techniques. The recommendation that has inevitably attracted most attention, however, is that only male embryos should be transferred, an approach that was considered but rejected in the UK... [Read More]


Events using this Glossary Item

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Published by the Progress Educational Trust
Preserving Sperm, Eggs and Embryos

FREE event
25 October 2016


Genome Editing, 14 Days and Beyond

Public Conference
7 December 2016

Speakers include

Professor Magdalena Zernicka-Goetz

Dr Kathy Niakan

Professor Sir Ian Wilmut

Lord George Carey

Baroness Mary Warnock

Dr Simon Fishel

Professor Bruce Whitelaw

Professor Alison Murdoch

Professor David Jones

Professor Sarah Franklin

Professor Stephen Wilkinson


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