Whereas the tumour suppressor gene p53 plays a key role in monitoring and maintaining genomic integrity in somatic cells, it is now shown that in oocytes, a p53 family member, p63 (but not p53 itself), is needed to protect against DNA damage. The specific isoform of p63 that is involved also seems to be the founding member of the p53 family.
- Eun-Kyung Suh
- Annie Yang
- Frank McKeon