MMP1 and neoplasm: We recently demonstrated that eye imaginal disc tumours, caused by the expression of constitutively activate Ras (RasV12) and an RNAi against the polarity protein disc‐large 1 (dlg1RNAi), secrete two cachectic factors: ImpL2 and Matrix metalloproteinase 1 (Mmp1) (Lodge et al, 2021).