Synthetic Lethality and Cancer - Penetrance as the Major Barrier.

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Authors

Ryan, CJ
Bajrami, I
Lord, CJ

Document Type

Journal Article

Date

2018-10-01

Date Accepted

2018-08-22

Abstract

Synthetic lethality has long been proposed as an approach for targeting genetic defects in tumours. Despite a decade of screening efforts, relatively few robust synthetic lethal targets have been identified. Improved genetic perturbation techniques, including CRISPR/Cas9 gene editing, have resulted in renewed enthusiasm for searching for synthetic lethal effects in cancer. An implicit assumption behind this enthusiasm is that the lack of reproducibly identified targets can be attributed to limitations of RNAi technologies. We argue here that a bigger hurdle is that most synthetic lethal interactions (SLIs) are not highly penetrant, in other words they are not robust to the extensive molecular heterogeneity seen in tumours. We outline strategies for identifying and prioritising SLIs that are most likely to be highly penetrant.

Citation

Trends in cancer, 2018, 4 (10), pp. 671 - 683

Source Title

Publisher

CELL PRESS

ISSN

2405-8033

eISSN

2405-8025

Research Team

Gene Function

Notes