(12) Patent Application Publication (10) Pub. No.: US 2007/0258889 A1 Douglas Et Al
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US 20070258889A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2007/0258889 A1 Douglas et al. (43) Pub. Date: Nov. 8, 2007 (54) NOVEL NANOPARTICLES AND USE Related U.S. Application Data THEREOF (60) Provisional application No. 60/736,041, filed on Nov. 9, 2005. Provisional application No. 60/831,109, filed (75) Inventors: Trevor Douglas, Bozeman, MT (US); on Jul. 14, 2006. Peter Suci, Bozeman, MT (US); Mark J. Young, Bozeman, MT (US) Publication Classification (51) Int. Cl. A6IR 9/14 (2006.01) Correspondence Address: A61R 49/14 (2006.01) DORSEY & WHITNEY LLP A6II 5L/08 (2006.01) 555 CALIFORNIA STREET, SUITE 1000 (52) U.S. Cl. ....................... 424/1.37: 424/499: 424/9.34; SUTE 1 OOO 977/773 SAN FRANCISCO, CA 94104 (US) (57) ABSTRACT Assignee: Montana State University, Bozman, MT The present invention is directed to novel compositions and (73) methods utilizing delivery agents or nanoparticles that include protein cages with modified and/or unmodified (21) Appl. No.: 11/558,393 Subunits and various agents, such as therapeutic and/or imaging agents located on the interior and/or exterior Sur (22) Filed: Nov. 9, 2006 face of the protein cages. sHsp Loop Insert N-TerminuS > s C-Terminus CCMV C-Terminus--> * Patent Application Publication Nov. 8, 2007 Sheet 1 of 29 US 2007/0258889 A1 sHsp Loop Insert N-Terminus > * D & C-Terminus CCMV C-Terminus--> y Loop Insert.) N-Terminus os FIG. 1 on 3... O O OH O O DMF. disopropyleyamine --O Horsa X = M OMO 1 M. HO s o O NH, N/Yssn1 HN-Jo. O FIG. 3 T2 relaxitvity from 7.0 Telsa MRI 400 2OO Magnevist CCMW hand (100 uM) (56 uM) COOH HOO C3" COOH C. COOH Patent Application Publication Nov. 8, 2007 Sheet 2 of 29 US 2007/0258889 A1 w er CN CD Patent Application Publication Nov. 8, 2007 Sheet 3 of 29 US 2007/0258889 A1 T2 relaxitvity at 7 Telsa 15uM Gd 15uMHSP-DPTA sv. W. Sw & 8 ity was Ciss FIG. 7 Patent Application Publication Nov. 8, 2007 Sheet 4 of 29 US 2007/0258889 A1 Patent Application Publication Nov. 8, 2007 Sheet 5 of 29 US 2007/0258889 A1 Disassemble Subunits,Y A Patent Application Publication Nov. 8, 2007 Sheet 6 of 29 US 2007/0258889 A1 FIG. 13 Patent Application Publication Nov. 8, 2007 Sheet 7 of 29 US 2007/0258889 A1 Closed Open Pore (1) Soluble Pores (4) O o-/Material (3) SP O O O O pH > 6.5 O O Closed Form (2) Open Form (5) FIG. 14A He pH < 6.5 Crystallization FIG. 14B Patent Application Publication Nov. 8, 2007 Sheet 8 of 29 US 2007/0258889 A1 FIG. 15A FIG. 15B FIG. 15C Patent Application Publication Nov. 8, 2007 Sheet 9 of 29 US 2007/0258889 A1 O AISueu Patent Application Publication Nov. 8, 2007 Sheet 10 of 29 US 2007/0258889 A1 500 HspG41CRGD-4C 34 OO OO H Abs 280 nm 2 O O O 5 10 15 2O 25 30 Elution Volume (mL) FIG. 17A 468 OOO 2 O O 2O 45 60 8O 1 OO Diameter (nm) FIG. 17B FIG. 17C Patent Application Publication Nov. 8, 2007 Sheet 11 of 29 US 2007/0258889 A1 - - c d C C C C - - Fluorescent Fluorescent Image Image Protein Protein Image Image FIG. 18A FIG. 18B US 2007/0258889 A1 (suo][eo])sseW Patent Application Publication Nov. 8, 2007 Sheet 13 of 29 US 2007/0258889 A1 Patent Application Publication Nov. 8, 2007 Sheet 14 of 29 US 2007/0258889 A1 s8 & 9 1O 11 10 10 10 160 101 162 13 164 Fluorescence Intensity (a.u.) Fluorescein FIG 21B FIG 21D Patent Application Publication Nov. 8, 2007 Sheet 15 of 29 US 2007/0258889 A1 160 11 12 10 164 Fluorescein FIG. 22 e 2 103 2 108 10 FIG. 23A FIG. 23C e e FITC Fluorescence intensity (a.u.) FIG. 23B FIG. 23C Patent Application Publication Nov. 8, 2007 Sheet 16 of 29 US 2007/0258889 A1 HspG41CRGD4C-Fluorescein to Hsp Protein (280 nm) 4 O S&N 8 Fluorescein (495 nm) 30 CD 2 20 O s & 3 10 C O Y, m YYYYYYY w YYYYYYYYYYYYY WYYYYYY WW O 5 10 15 20 2 Elution Volume (mL) HspG41CRGD4C-Doxorubicin o Hsp Protein (280 nm) es 888 & Doxorubicin (495 nm) 300 s 3 200 t O 5 3 1OO C O S&R's S w NilsSSS swysw O 5 1O 15 20 Elution Volume (mL) FIG. 25 Patent Application Publication Nov. 8, 2007 Sheet 17 of 29 US 2007/0258889 A1 Z ##### SS AISueu Patent Application Publication Nov. 8, 2007 Sheet 18 of 29 US 2007/0258889 A1 100 80 ge 60 g 40 d Y O O 2O 45 60 80 100 Diameter (nm) FIG. 27 Patent Application Publication Nov. 8, 2007 Sheet 19 of 29 US 2007/0258889 A1 TEM DLS 20 40 60 80 Diameter 1 nm 100 O 20 4 O 60 80 Diameter 1 nm FIG. 28 Patent Application Publication Nov. 8, 2007 Sheet 20 of 29 US 2007/0258889 A1 246 3.8 + O.7 mm FIG. 29A OOOO O 2 4 6 8 10 12 Diameter 1 nm 246 5.5 + 0.9 nm FIG. 29B OOOO O 2 4 6 8 10 12 Diameter 1 nm 246 6.O. O.9 nm. FIG. 29C OOOO O 2 4 6 8 10 12 Diameter 1 nm 246 5.6 + O.9 mm FIG. 29D OOOO O 2 4 6 8 10 12 Diameter 1 nm 246 5.9 + 1.3 nm OOOO O 2 4 6 8 10 12 FIG. 29E Diameter 1 nm Patent Application Publication Nov. 8, 2007 Sheet 21 of 29 US 2007/0258889 A1 650 700 750 Energy loss 1 eV FIG. 3OA FIG. 3OB Before Mineralization After Mineralization -280nm -41 Onm hears O 10 20 30 O 10 20 30 Elution Volume I ml Elution Volume I ml FIG. 31A FIG. 31B Patent Application Publication Nov. 8, 2007 Sheet 22 of 29 US 2007/0258889 A1 1.0 - 1000Fe?cage - 3000Fe?cage 0.8 -5000Felcage 5000Fe?cage 9 A 0.6 3000Felcage Se 3. * 0.4 ig 1000Felcage t 0.2 0.0 20 40 60 80 100 O 20 40 60 80 100 120 140 Blocking temperature (T) IK Particle Volume 1 nm. S c s O E O 1000Felcage 3000Felcage A 5000Felcage O.050 0.075 O. 100 (1IT) 1 K g 4 1000Fe?cage 2 S o O -2 Savingg-4x10 -80x108 -40 O 40 80 Field G o 10 3000Fellcage o 15 5000Fe?cage s S 10 5 s 5 S o O o O E E -5 -5 2 -10 g -10x10 S-15x108 -80x108 -40 O 40 80 -80x108 -40 O 40 80 Field G Field G FIG. 34 Patent Application Publication Nov. 8, 2007 Sheet 23 of 29 US 2007/0258889 A1 100 101 102 103 104 Fluorescence Intensity FIG. 36 Patent Application Publication Nov. 8, 2007 Sheet 24 of 29 US 2007/0258889 A1 Differentially modify Š Disassemble, isolate SS Subunits SSS II) Detection (Western blot) i) Binding to Mix, reassemble Streptavidin agarose Subunit ratio FIG. 39 FIG 38 Patent Application Publication Nov. 8, 2007 Sheet 25 of 29 US 2007/0258889 A1 Monomers 1 2 Unmodified: MSTVGTGELTEAOEEAAAEE CCMV-CALMSTDKDGDGW LEEEEGGGEE 28nM FIG. 43 Protein Cage (1) input anti-dig anti-biotin 6 O 4. O 2 O O O 10 20 30 digibio (input) .N. N. N N.N.Yo-YS) SS; SS)R.W. SS-SSSSS Patent Application Publication Nov. 8, 2007 Sheet 26 of 29 US 2007/0258889 A1 A B 1OO 200 a 80 s g 150 S. 60 5 100 S 40 3 a 50 20 Y O : O 5 10 15 20 25 3O 35 O 1 O 20 30 40 50 60 Elution Volume 1 mL. Diameter 1 nm 18 20 22 24 26 2830x108 Mass 1 Daltons Experiment 1,550mm Experiment 2,550mm Experiment 3, 550mm Experiment 3, 340mm Fit to Eq. (12) OO 0.4 O4 12 Free Tb | uM FIG. 46 Patent Application Publication Nov. 8, 2007 Sheet 27 of 29 US 2007/0258889 A1 O Experiment 1 A Experiment 2 O.O 0.2 0.4 0.6 0.8 1.0 Tb) * (Subunit FIG. 47 20021 0000 3222 20285 OOOO 2587 21362 0000 204 21902 0000 651 20239 0000 biggs 0000 3 100 20000 OOOO is 0055 19000 195OO 20000 20500 21OOO 21500 22000 22500 23OOO FIG. 48 Patent Application Publication Nov. 8, 2007 Sheet 28 of 29 US 2007/0258889 A1 H CCMV-CAL-Gd A WtCCMV-Gd 3OO 4OO 350 250 3OO 200 N250 2OO 150 150 1OO 1 OO 1O 20 30 40 50 60 1O 20 30 40 50 60 MHZ MHZ FIG. 5OA FIG. 5OB Patent Application Publication Nov. 8, 2007 Sheet 29 of 29 US 2007/0258889 A1 -- CCMV-DOTA-Gd -O- DOTA-Gd 60 120 40 V GN 80 20 40 O O O O 10 20 30 40 50 60 10 20 30 40 50 60 MHz MHz FIG 51A FIG. 51B US 2007/0258889 A1 Nov. 8, 2007 NOVEL NANOPARTICLES AND USE THEREOF an apoferritin shell and an inorganic core, and are thought to be useful in the production of ultrafine particles for high CROSS-REFERENCE TO RELATED performance ceramics, drug delivery, and other uses. APPLICATIONS 0006. A general review of systems employing the apof 0001) This application claims the benefit under 35 U.S.C. erritin/core nanoscale particle production system is provided S 119(e) of U.S.