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      1. Author :
        Takeshita, Fumitaka; Patrawala, Lubna; Osaki, Mitsuhiko; Takahashi, Ryou-u; Yamamoto, Yusuke; Kosaka, Nobuyoshi; Kawamata, Masaki; Kelnar, Kevin; Bader, Andreas G; Brown, David; Ochiya, Takahiro
      2. Title :
        Systemic delivery of synthetic microRNA-16 inhibits the growth of metastatic prostate tumors via downregulation of multiple cell-cycle genes
      3. Type :
        Journal Article
      4. Year :
        2010
      5. Publication :
        Molecular therapy: the journal of the American Society of Gene Therapy
      6. Products :

        Bioware cell lines

      7. Volume :
        18
      8. Issue :
        1
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Aged; Animals; Bioware; Cell Cycle Proteins; Cell Line, Tumor; Cell Proliferation; Down-Regulation; Humans; Male; Mice; MicroRNAs; Middle Aged; PC-3M-luc; Prostatic Neoplasms; Reverse Transcriptase Polymerase Chain Reaction
      12. Abstract :
        Recent reports have linked the expression of specific microRNAs (miRNAs) with tumorigenesis and metastasis. Here, we show that microRNA (miR)-16, which is expressed at lower levels in prostate cancer cells, affects the proliferation of human prostate cancer cell lines both in vitro and in vivo. Transient transfection with synthetic miR-16 significantly reduced cell proliferation of 22Rv1, Du145, PPC-1, and PC-3M-luc cells. A prostate cancer xenograft model revealed that atelocollagen could efficiently deliver synthetic miR-16 to tumor cells on bone tissues in mice when injected into tail veins. In the therapeutic bone metastasis model, injection of miR-16 with atelocollagen via tail vein significantly inhibited the growth of prostate tumors in bone. Cell model studies indicate that miR-16 likely suppresses prostate tumor growth by regulating the expression of genes such as CDK1 and CDK2 associated with cell-cycle control and cellular proliferation. There is a trend toward lower miR-16 expression in human prostate tumors versus normal prostate tissues. Thus, this study indicates the therapeutic potential of miRNA in an animal model of cancer metastasis with systemic miRNA injection and suggest that systemic delivery of miR-16 could be used to treat patients with advanced prostate cancer.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/19738602
      14. Call Number :
        PKI @ catherine.lautenschlager @
      15. Serial :
        8947
      1. Author :
        Smith, Eric L; Schuchman, Edward H
      2. Title :
        Acid sphingomyelinase overexpression enhances the antineoplastic effects of irradiation in vitro and in vivo
      3. Type :
        Journal Article
      4. Year :
        2008
      5. Publication :
        Molecular therapy: the journal of the American Society of Gene Therapy
      6. Products :

        Bioware cell lines

      7. Volume :
        16
      8. Issue :
        9
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Animals; Antineoplastic Agents; Autophagy; B16-F10-luc-G5 cells; Bioware; Cell Survival; Cells, Cultured; Ceramides; Cesium Radioisotopes; CHO Cells; Combined Modality Therapy; Cricetinae; Cricetulus; Endothelium, Vascular; Female; Gamma Rays; Gene Expression Regulation, Enzymologic; Gene Therapy; Humans; Melanoma, Experimental; Mice; Sphingomyelin Phosphodiesterase
      12. Abstract :
        Exposure of cells or animals to stress frequently induces acid sphingomyelinase (ASM)-mediated ceramide production that leads to cell death. Consistent with this, overexpression of ASM in subcutaneous B16-F10 mouse melanomas, in combination with irradiation, resulted in tumors that were up to 12-fold smaller than irradiated control melanomas. Similarly, when irradiated melanomas were pretreated with a single, peritumoral injection of recombinant ASM (rhASM), the tumors were up to threefold smaller. The in vivo effect of ASM was likely due to enhanced cell death of the tumor cells themselves, as well as the surrounding microvascular endothelial cells. In vitro, rhASM had little or no effect on the growth of tumor cells, even in combination with irradiation. However, when the culture media was acidified to mimic the acidic microenvironment of solid tumors, rhASM-mediated cell death was markedly enhanced when combined with irradiation. Microscopic analysis suggested that this was associated with an increase in autophagy. rhASM has been produced for the treatment of the lysosomal storage disorder, type B Niemann-Pick disease, and is currently being evaluated in a phase-1 clinical trial. Based on the data presented in this article, we propose that further investigation of this protein and gene as antineoplastic agents also is warranted.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/18628757
      14. Call Number :
        PKI @ catherine.lautenschlager @
      15. Serial :
        8999
      1. Author :
        Smith, B. R.; Kempen, P.; Bouley, D.; Xu, A.; Liu, Z.; Melosh, N.; Dai, H.; Sinclair, R.; Gambhir, S. S.
      2. Title :
        Shape matters: intravital microscopy reveals surprising geometrical dependence for nanoparticles in tumor models of extravasation
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        Nano Lett
      6. Products :

        AngioSense

      7. Volume :
        12
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        AngioSense, Animals; *Disease Models, Animal; Ear Neoplasms/*blood supply/pathology; Humans; Mice; Microscopy, Fluorescence; Nanoparticles/*chemistry; *Nanotechnology; Nanotubes, Carbon/chemistry; Neoplasms, Experimental/*blood supply/pathology; Particle Size; Quantum Dots; Surface Properties
      12. Abstract :
        Delivery is one of the most critical obstacles confronting nanoparticle use in cancer diagnosis and therapy. For most oncological applications, nanoparticles must extravasate in order to reach tumor cells and perform their designated task. However, little understanding exists regarding the effect of nanoparticle shape on extravasation. Herein we use real-time intravital microscopic imaging to meticulously examine how two different nanoparticles behave across three different murine tumor models. The study quantitatively demonstrates that high-aspect ratio single-walled carbon nanotubes (SWNTs) display extravasational behavior surprisingly different from, and counterintuitive to, spherical nanoparticles although the nanoparticles have similar surface coatings, area, and charge. This work quantitatively indicates that nanoscale extravasational competence is highly dependent on nanoparticle geometry and is heterogeneous.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/22650417
      14. Call Number :
        PKI @ kd.modi @ 9
      15. Serial :
        10439
      1. Author :
        Lu, Z.; Dai, T.; Huang, L.; Kurup, D. B.; Tegos, G. P.; Jahnke, A.; Wharton, T.; Hamblin, M. R.
      2. Title :
        Photodynamic therapy with a cationic functionalized fullerene rescues mice from fatal wound infections
      3. Type :
        Journal Article
      4. Year :
        2010
      5. Publication :
        Nanomedicine (Lond)
      6. Products :

        Bioware bacteriaIVIS Imaging Systems

      7. Volume :
        5
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Xen5, Xen 5, Pseudomonas aeruginosa Xen 5, Animals; Fullerenes/*chemistry; Male; Mice; Mice, Inbred BALB C; Photochemotherapy/*methods; Photosensitizing Agents/*chemistry; Pseudomonas Infections/*drug therapy; Pseudomonas aeruginosa/drug effects; Wound Infection/*drug therapy
      12. Abstract :
        AIMS: Fullerenes are under intensive study for potential biomedical applications. We have previously reported that a C60 fullerene functionalized with three dimethylpyrrolidinium groups (BF6) is a highly active broad-spectrum antimicrobial photosensitizer in vitro when combined with white-light illumination. We asked whether this high degree of in vitro activity would translate into an in vivo therapeutic effect in two potentially lethal mouse models of infected wounds. MATERIALS & METHODS: We used stable bioluminescent bacteria and a low light imaging system to follow the progress of the infection noninvasively in real time. An excisional wound on the mouse back was contaminated with one of two bioluminescent Gram-negative species, Proteus mirabilis (2.5 x 10(7) cells) and Pseudomonas aeruginosa (5 x 10(6) cells). A solution of BF6 was placed into the wound followed by delivery of up to 180 J/cm(2) of broadband white light (400-700 nm). RESULTS: In both cases there was a light-dose-dependent reduction of bioluminescence from the wound not observed in control groups (light alone or BF6 alone). Fullerene-mediated photodynamic therapy of mice infected with P. mirabilis led to 82% survival compared with 8% survival without treatment (p < 0.001). Photodynamic therapy of mice infected with highly virulent P. aeruginosa did not lead to survival, but when photodynamic therapy was combined with a suboptimal dose of the antibiotic tobramycin (6 mg/kg for 1 day) there was a synergistic therapeutic effect with a survival of 60% compared with a survival of 20% with tobramycin alone (p < 0.01). CONCLUSION: These data suggest that cationic fullerenes have clinical potential as an antimicrobial photosensitizer for superficial infections where red light is not needed to penetrate tissue.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/21143031
      14. Call Number :
        PKI @ kd.modi @ 2
      15. Serial :
        10390
      1. Author :
        Lemarie, F.; Chang, C. W.; Blatchford, D. R.; Amor, R.; Norris, G.; Tetley, L.; McConnell, G.; Dufes, C.
      2. Title :
        Antitumor activity of the tea polyphenol epigallocatechin-3-gallate encapsulated in targeted vesicles after intravenous administration
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        Nanomedicine (Lond)
      6. Products :

        Bioware cell linesIVIS Imaging Systems

      7. Volume :
        N/A
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        IVIS, B16-F10-luc-G5, B16F10-luc-G5, B16-F10-luc, B16F10-luc
      12. Abstract :
        Aim: The therapeutic potential of epigallocatechin-3-gallate (EGCG), a green tea polyphenol with anticancer properties, is limited by its inability to specifically reach tumors following intravenous administration. The purpose of this study was to determine whether a tumor-targeted vesicular formulation of EGCG would suppress the growth of A431 epidermoid carcinoma and B16-F10 melanoma in vitro and in vivo. Materials & methods: Transferrin-bearing vesicles encapsulating EGCG were administered intravenously to mice bearing subcutaneous A431 and B16-F10 tumors. Results: The intravenous administration of EGCG encapsulated in transferrin-bearing vesicles resulted in tumor suppression in 40% of A431 and B16-F10 tumors. Animal survival was improved by more than 20 days compared with controls. Conclusion: Encapsulation of EGCG in transferrin-bearing vesicles is a promising therapeutic strategy. Original submitted 28 November 2011; Revised submitted 11 May 2012.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/22891867
      14. Call Number :
        PKI @ kd.modi @ 14
      15. Serial :
        10532
      1. Author :
        Lu, Z.; Dai, T.; Huang, L.; Kurup, D. B.; Tegos, G. P.; Jahnke, A.; Wharton, T.; Hamblin, M. R.
      2. Title :
        Photodynamic therapy with a cationic functionalized fullerene rescues mice from fatal wound infections
      3. Type :
        Journal Article
      4. Year :
        2010
      5. Publication :
        Nanomedicine (Lond)
      6. Products :

        Bioware bacteria

      7. Volume :
        5
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Xen44, Xen 44, Proteus mirabilis, bioluminescence imaging, Animals; Fullerenes/*chemistry; Male; Mice; Mice, Inbred BALB C; Photochemotherapy/*methods; Photosensitizing Agents/*chemistry; Pseudomonas Infections/*drug therapy; Pseudomonas aeruginosa/drug effects; Wound Infection/*drug therapy
      12. Abstract :
        AIMS: Fullerenes are under intensive study for potential biomedical applications. We have previously reported that a C60 fullerene functionalized with three dimethylpyrrolidinium groups (BF6) is a highly active broad-spectrum antimicrobial photosensitizer in vitro when combined with white-light illumination. We asked whether this high degree of in vitro activity would translate into an in vivo therapeutic effect in two potentially lethal mouse models of infected wounds. MATERIALS & METHODS: We used stable bioluminescent bacteria and a low light imaging system to follow the progress of the infection noninvasively in real time. An excisional wound on the mouse back was contaminated with one of two bioluminescent Gram-negative species, Proteus mirabilis (2.5 x 10(7) cells) and Pseudomonas aeruginosa (5 x 10(6) cells). A solution of BF6 was placed into the wound followed by delivery of up to 180 J/cm(2) of broadband white light (400-700 nm). RESULTS: In both cases there was a light-dose-dependent reduction of bioluminescence from the wound not observed in control groups (light alone or BF6 alone). Fullerene-mediated photodynamic therapy of mice infected with P. mirabilis led to 82% survival compared with 8% survival without treatment (p < 0.001). Photodynamic therapy of mice infected with highly virulent P. aeruginosa did not lead to survival, but when photodynamic therapy was combined with a suboptimal dose of the antibiotic tobramycin (6 mg/kg for 1 day) there was a synergistic therapeutic effect with a survival of 60% compared with a survival of 20% with tobramycin alone (p < 0.01). CONCLUSION: These data suggest that cationic fullerenes have clinical potential as an antimicrobial photosensitizer for superficial infections where red light is not needed to penetrate tissue.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/21143031
      14. Call Number :
        PKI @ kd.modi @ 1
      15. Serial :
        10563
      1. Author :
        Kwong, G. A.; von Maltzahn, G.; Murugappan, G.; Abudayyeh, O.; Mo, S.; Papayannopoulos, I. A.; Sverdlov, D. Y.; Liu, S. B.; Warren, A. D.; Popov, Y.; Schuppan, D.; Bhatia, S. N.
      2. Title :
        Mass-encoded synthetic biomarkers for multiplexed urinary monitoring of disease
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        Nat Biotechnol
      6. Products :

        VivoTagIVIS Imaging Systems

      7. Volume :
        31
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        VivoTag, IVIS, Vivotag
      12. Abstract :
        Biomarkers are becoming increasingly important in the clinical management of complex diseases, yet our ability to discover new biomarkers remains limited by our dependence on endogenous molecules. Here we describe the development of exogenously administered 'synthetic biomarkers' composed of mass-encoded peptides conjugated to nanoparticles that leverage intrinsic features of human disease and physiology for noninvasive urinary monitoring. These protease-sensitive agents perform three functions in vivo: they target sites of disease, sample dysregulated protease activities and emit mass-encoded reporters into host urine for multiplexed detection by mass spectrometry. Using mouse models of liver fibrosis and cancer, we show that these agents can noninvasively monitor liver fibrosis and resolution without the need for invasive core biopsies and substantially improve early detection of cancer compared with current clinically used blood biomarkers. This approach of engineering synthetic biomarkers for multiplexed urinary monitoring should be broadly amenable to additional pathophysiological processes and point-of-care diagnostics.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/23242163
      14. Call Number :
        PKI @ kd.modi @ 2
      15. Serial :
        10567
      1. Author :
        Lee, S.; Vinegoni, C.; Feruglio, P. F.; Fexon, L.; Gorbatov, R.; Pivoravov, M.; Sbarbati, A.; Nahrendorf, M.; Weissleder, R.
      2. Title :
        Real-time in vivo imaging of the beating mouse heart at microscopic resolution
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        Nat Commun
      6. Products :

        AngioSense

      7. Volume :
        3
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        AngioSense
      12. Abstract :
        Real-time imaging of moving organs and tissues at microscopic resolutions represents a major challenge in studying the complex biology of live animals. Here we present a technique based on a novel stabilizer setup combined with a gating acquisition algorithm for the imaging of a beating murine heart at the single-cell level. The method allows serial in vivo fluorescence imaging of the beating heart in live mice in both confocal and nonlinear modes over the course of several hours. We demonstrate the utility of this technique for in vivo optical sectioning and dual-channel time-lapse fluorescence imaging of cardiac ischaemia. The generic method could be adapted to other moving organs and thus broadly facilitate in vivo microscopic investigations.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/22968700
      14. Call Number :
        PKI @ kd.modi @ 7
      15. Serial :
        10436
      1. Author :
        Reppert, S.; Boross, I.; Koslowski, M.; Tureci, O.; Koch, S.; Lehr, H. A.; Finotto, S.
      2. Title :
        A role for T-bet-mediated tumour immune surveillance in anti-IL-17A treatment of lung cancer
      3. Type :
        Journal Article
      4. Year :
        2011
      5. Publication :
        Nat Commun
      6. Products :

        Bioware cell linesIVIS Imaging Systems

      7. Volume :
        2
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        LL/2-luc-M38, LL/2-luc, Lewis Lung Carcinoma, IVIS, Adenocarcinoma/drug therapy/genetics/*immunology/metabolism/pathology; Administration, Intranasal; Adult; Aged; Animals; Antibodies, Neutralizing/administration & dosage/*therapeutic use; Antigens, CD/immunology; Female; Forkhead Transcription Factors/genetics/*immunology/metabolism; Gene Expression Regulation, Neoplastic/drug effects/*immunology; Humans; Immunologic Surveillance; Interferon-gamma/biosynthesis/immunology; Interleukin-17/immunology/metabolism; Interleukin-23/immunology/metabolism; Lung/drug effects/*immunology/metabolism/pathology; Lung Neoplasms/drug therapy/genetics/*immunology/metabolism/pathology; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Middle Aged; T-Box Domain Proteins/deficiency/*genetics/immunology; T-Lymphocytes, Regulatory/immunology
      12. Abstract :
        Lung cancer is the leading cause of cancer deaths worldwide. The cytokine interleukin-17A supports tumour vascularization and growth, however, its role in lung cancer is unknown. Here we show, in the lungs of patients with lung adenocarcinoma, an increase in interleukin-17A that is inversely correlated with the expression of T-bet and correlated with the T regulatory cell transcription factor Foxp3. Local targeting of interleukin-17A in experimental lung adenocarcinoma results in a reduction in tumour load, local expansion of interferon-gamma-producing CD4(+) T cells and a reduction in lung CD4(+)CD25(+)Foxp3(+) regulatory T cells. T-bet((-/-)) mice have a significantly higher tumour load compared with wild-type mice. This is associated with the local upregulation of interleukin-23 and induction of interleukin-17A/interleukin-17R-expressing T cells infiltrating the tumour. Local anti-interleukin-17A antibody treatment partially improves the survival of T-bet((-/-)) mice. These results suggest that local anti-interleukin-17A antibody therapy could be considered for the treatment of lung tumours.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/22186896
      14. Call Number :
        PKI @ kd.modi @ 1
      15. Serial :
        10544
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