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Updated: Mar 9, 2026
11:02
Detecting Somatic Genetic Alterations in Tumor Specimens by Exon Capture and Massively Parallel Sequencing
Published on: October 18, 2013
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Somatic genomics as a discovery engine for biomedicine
Simon F Brunner1, Iñigo Martincorena2, Gregory Mannino3
1Quotient Therapeutics, Inc., Cambridge, MA, USA; Flagship Pioneering, Inc., Cambridge, MA, USA.
Cell
|March 8, 2026
Summary
Somatic mutations, genetic changes after conception, can drive or protect against diseases. Studying these mutations offers new therapeutic strategies and insights into disease mechanisms.
Area of Science:
- Genetics
- Genomics
- Molecular Biology
Background:
- Somatic mutations are genetic alterations occurring in cells post-conception.
- Traditionally viewed as aging or pre-cancerous, they are widespread in healthy tissues.
- Emerging research reveals their dual role in disease causation and protection.
Purpose of the Study:
- To explore factors influencing somatic mosaicism.
- To discuss specific somatic mutations that cause or protect against disease.
- To highlight the role of somatic genetics in disease discovery and therapeutic development.
Main Methods:
- Review of current literature on somatic mutations and mosaicism.
- Analysis of examples where somatic mutations impact disease (e.g., hematopoietic and liver cells).
- Discussion of the potential for somatic genetics in drug target identification.
Main Results:
- Somatic mutations exhibit significant genetic diversity within individuals.
- Mutant cells can either exacerbate (e.g., inflammatory disease) or protect (e.g., liver disease) against pathologies.
- Somatic genetics provides a complementary approach to germline genetics.
Conclusions:
- Somatic mutations are crucial for understanding disease mechanisms and history.
- They offer novel therapeutic strategies and insights into disease reversal.
- Somatic genetics is emerging as a key engine for disease gene discovery and clinical translation.
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