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Journal of Assisted Reproduction and Genetics

, Volume 36, Issue 9, pp 1781–1785 | Cite as

Easing US restrictions on mitochondrial replacement therapy would protect research interests but grease the slippery slope

  • David L. KeefeEmail author
Commentary
  • 48 Downloads

Introduction

Mitochondria are essential organelles found in most eukaryotic cells [1, 2]. They play important roles not only in the production of cellular energy but also in metabolic [3], immune [4], neural [5], and psychiatric function [6, 7], as well as aging [2, 8]. Mitochondria originated billions of years ago as separate bacteria-like organisms, and over the intervening millennia developed symbiotic relationships with our eukaryotic ancestors. The relationship between mitochondria and eukaryotic cells has proven mutually beneficial, though at times precarious [9, 10]. Concordant with their origin as separate organisms, mitochondria contain their own DNA, called mitochondrial DNA [11] (mtDNA). mtDNA retains many features of bacterial DNA, including exquisite susceptibility to damage, rapid mutagenesis, and limited repair capacity.

mtDNA transmits exclusively via the maternal germ line. Oogenesis provides critical quality control to ensure the fittest mtDNA cross into the next...

Keywords

Mitochondrial replacement therapy 

Notes

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Obstetrics and GynecologyNYU Langone HealthNew YorkUSA

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