MME and prostate adenocarcinoma: All ten mAbs were tested for their reactivity toward recombinant human sNEP, recombinant Trx-AgNEP(1–4) (Fig. 4a), and endogenous human NEP in LNCaP (human prostate adenocarcinoma) cell lysate (Fig. 4b and c) using capillary western blot.