j, LC-MS of intracellular glycolytic and pentose phosphate pathway intermediates shows enhanced accumulation in Atg7−/− tumour cell lines. Values are average of eight (Atg7+/+) and six (Atg7−/−) biological replicates. f-h, j, Error bars are s.e.m. a, f-h, j, A Mann-Whitney U-test was used to ascertain significance. *P  0.05, **P  0.01. 