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. 2011 Mar 15;3(1):1329–1350. doi: 10.3390/cancers3011329

Figure 3.

Figure 3.

Bortezomib inhibits the chymotryptic activity of the proteasome. AML cells were treated with 100 nM bortezomib for 6, 9 or 18 h. Chymotryptic-like (CT), tryptic-like (T) and PGPH-like proteasomal activity was measured as described in the experimental section Proteasome activity is expressed as nmoles substrate (AMC) cleaved per 1 mg cellular protein in one minute ± S.E.M. (A) HL-60; (B) KG-1; (C) Kasumi; (D) OCI AML2; (E) OCI AML3; (F) MOLM13; (G) ML-2; (H) ML-1.