Somatic Cell Genome Editing support is aimed at improving therapeutic options for both rare and common diseases.
Making changes to a patients DNA can have powerful implications for the treatment of disease. To tap into this immense potential, NIH recently awarded 21 Somatic Cell Genome Editing grants(link is external) — totaling approximately $86 million over the next five years, pending available funds — to support research aimed at improving methods to edit the human genome. These grants are the first to be awarded through the Somatic Cell Genome Editing (SCGE) program, which was launched in January 2018 with NIH Common Fund(link is external)support. As a trans-NIH endeavor, SCGE is managed by staff from multiple NIH Institutes and Centers, with leadership from NCATS.
An illustration depicts a genome editing tool bound to a DNA helix. New genome editing tools can substitute single “letters” in the DNA code without changing the surrounding DNA structure. (XVIVO Photo)
A genome is an individual’s complete set of DNA, the chemicals that carry genetic information. Many diseases are caused by DNA changes that can be inherited from parents or can happen during a person’s lifetime. In the past decade, scientists have developed techniques to edit DNA in living cells. The newly awarded grants focus on somatic cells, which are cells in the body other than reproductive — e.g. sperm and egg — cells. One concern about manipulating genetic material has been the possibility of passing on unintended and potentially harmful genetic mutations. But because somatic cells do not pass DNA to the next generation, genome editing changes in somatic cells cannot be inherited.
“Human genome editing technologies have opened up many far-reaching possibilities to treat disease,” said NCATS Director Christopher Austin, M.D. “The intent is that these newly funded initiatives will help speed the translation of genome editing to the clinic and to a greater number of patients with what are currently intractable illnesses and conditions.”
Researchers continue to make improvements in genome editing techniques and understanding their effects, but significant barriers remain before they will be used widely to treat patients.
“One challenge is to deliver genome editing tools to the right cells at the right time,” said P.J. Brooks, Ph.D., program director, NCATS Office of Rare Diseases Research. “With these awards, research teams will collaborate on several projects to improve the delivery of these tools to disease-relevant cells in the lung, muscle, brain and other tissues.”
The awards will also support:
“Common Fund programs can boost a developing area of biomedical research but don’t focus on a specific organ system or disease,” said James M. Anderson, M.D., Ph.D., director of the Division of Program Coordination, Planning, and Strategic Initiatives, which oversees the NIH Common Fund. “If we can improve the safety and effectiveness of genome editing, we have the potential to treat a wide variety of diseases or conditions.”
The broad applicability of genome editing to biomedical research is reflected in the diversity of NIH Institutes and Centers involved the SCGE program. In addition to NCATS, the NIH’s National Heart, Lung, and Blood Institute; National Institute of Allergy and Infectious Diseases; National Institute of Neurological Disorders and Stroke; National Institute of Arthritis and Musculoskeletal and Skin Diseases; and Office of Research Infrastructure Programs are managing these awards. The program will award researchers a total of approximately $190 million over six years, pending the availability of funds. For more information, visit https://ncats.nih.gov/somatic and https://commonfund.nih.gov/editing(link is external).
For a list of the grantees and information about their awards, see: https://commonfund.nih.gov/editing/fundedresearch(link is external).
To learn more about the SCGE program and its goals, watch an animated video: https://www.youtube.com/watch?v=27o3s3TktHI&t=1s(link is external).
Hear an audio version of this story here: https://www.youtube.com/watch?v=0HKq35SHcTQ(link is external).
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