1. Green tea polyphenols block the anticancer effects of bortezomib and other boronic acid–based proteasome inhibitors by Encouse B. Golden, Philip Y. Lam, Adel Kardosh, Kevin J. Gaffney, Enrique Cadenas, Stan G. Louie, Nicos A. Petasis, Thomas C. Chen, and Axel H. Schönthal Blood Volume 113(23):5927-5937 June 4, 2009 ©2009 by American Society of Hematology

2. EGCG neutralizes the cytotoxic effects of BZM in multiple myeloma cells. Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology

3. EGCG neutralizes the cytotoxic effects of BZM in glioblastoma. Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology

4. Complete green tea extract and its polyphenols EGC, ECG, and EC neutralize the cytotoxic effects of BZM. (A) Chemical structures of the green tea polyphenols EGC, ECG, and EC. (B) Percentage cell viability of LN229 cells treated for 48 hours with increasing... Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology

5. EGCG neutralizes the cytotoxic effect of MG-262 and proteasome inhibitor IX but not NFV, MG- 132, and proteasome inhibitor I. (A) Chemical structures of the proteasome inhibitors NFV, proteasome inhibitor I (PS-I), MG-132, MG-262, and proteasome inhibitor IX... Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology

6. EGCG prevents proteasome inhibition and ER stress induction when combined with BZM and MG-262, but not MG-132. Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology

7. EGCG neutralizes the antitumoral effects of BZM in multiple myeloma in vivo. Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology

8. BZM does not generate ROS, but directly reacts with EGCG to form a new boronate product. Encouse B. Golden et al. Blood 2009;113:5927-5937 ©2009 by American Society of Hematology