Tumours can require certain amino acids for their proliferation, and the diricore method described here helps to identify such restrictive amino acids; using this method in kidney cancer tissue and breast carcinoma cells, the authors observe an association between proline deficiency and upregulation of PYCR1, an enzyme required for proline synthesis.
- Fabricio Loayza-Puch
- Koos Rooijers
- Reuven Agami