glycol 2000-hydrazone-C18 (PHC), and polyethylene glycol 2000-amide-C18
(PAC) were synthesized following our previously published methods.31 (link),34 Doxorubicin hydrochloride was from Fisher Scientific Co. (Pittsburgh,
PA). Zoledronic acid, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium
bromide (MTT), PLGA (752H), and poly-
(St. Louis, MO). Mannose was from Tokyo Chemical Industry Co., Ltd.
(Portland, OR). Hematoxylin-eosin (H&E) and anti-CD31 antibody
were from Abcam (Cambridge, MA). Hoechst 33342 was from AnaSpec, Inc.
(Fremont, CA). The 5-bromo-2′-deoxyuridine (BrdU) and primary
BrdU monoclonal antibody were from BD Biosciences (San Jose, CA).
Anti-CD206, RM0029-11H3, and FITC-labeled Anti-CD206 antibody were
from Santa Cruz Biotechnology, Inc. (Dallas, TX). Solvents used in
chemical synthesis were of analytical grade.