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      1. Author :
        Zhang, Z.; Hu, Z.; Gupta, J.; Krimmel, J. D.; Gerseny, H. M.; Berg, A. F.; Robbins, J. S.; Du, H.; Prabhakar, B.; Seth, P.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        Cancer Gene Ther
      6. Products :
      7. Volume :
        19
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        4T1-luc2, IVIS, Bioluminescence, Adenoviridae/genetics/*metabolism/physiology; Administration, Intravenous; Animals; Bone Neoplasms/secondary/*therapy; Cell Line, Tumor; Female; Humans; Immunocompetence; Luminescent Measurements/methods; Mammary Neoplasms, Experimental/pathology/*therapy; Mice; Mice, Inbred BALB C; Oncolytic Virotherapy/methods; Oncolytic Viruses/genetics/metabolism/physiology; Phosphorylation; Promoter Regions, Genetic; Protein-Serine-Threonine Kinases/genetics/*metabolism; Receptors, Transforming Growth Factor beta/genetics/*metabolism; Signal Transduction; Smad2 Protein/genetics/metabolism; Telomerase/genetics; Transforming Growth Factor beta1/genetics/metabolism; Transplantation, Isogeneic/methods; Tumor Stem Cell Assay/methods; Virus Replication
      12. Abstract :
        We have examined the effect of adenoviruses expressing soluble transforming growth factor receptorII-Fc (sTGFbetaRIIFc) in a 4T1 mouse mammary tumor bone metastasis model using syngeneic BALB/c mice. Infection of 4T1 cells with a non-replicating adenovirus, Ad(E1-).sTbetaRFc, or with two oncolytic adenoviruses, Ad.sTbetaRFc and TAd.sTbetaRFc, expressing sTGFbetaRIIFc (the human TERT promoter drives viral replication in TAd.sTbetaRFc) produced sTGFbetaRIIFc protein. Oncolytic adenoviruses produced viral replication and induced cytotoxicity in 4T1 cells. 4T1 cells were resistant to the cytotoxic effects of TGFbeta-1 (up to 10 ng ml(-1)). However, TGFbeta-1 induced the phosphorylation of SMAD2 and SMAD3, which were inhibited by co-incubation with sTGFbetaRIIFc protein. TGFbeta-1 also induced interleukin-11, a well-known osteolytic factor. Intracardiac injection of 4T1-luc2 cells produced bone metastases by day 4. Intravenous injection of Ad.sTbetaRFc (on days 5 and 7) followed by bioluminescence imaging (BLI) of mice on days 7, 11 and 14 in tumor-bearing mice indicated inhibition of bone metastasis progression (P<0.05). X-ray radiography of mice on day 14 showed a significant reduction of the lesion size by Ad.sTbetaRFc (P<0.01) and TAd.sTbetaRFc (P<0.05). Replication-deficient virus Ad(E1-).sTbetaRFc expressing sTGFbetaRIIFc showed some inhibition of bone metastasis, whereas Ad(E1-).Null was not effective in inhibiting bone metastases. Thus, systemic administration of Ad.sTbetaRFc and TAd.sTbetaRFc can inhibit bone metastasis in the 4T1 mouse mammary tumor model, and can be developed as potential anti-tumor agents for breast cancer.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/22744210
      14. Call Number :
        PKI @ kd.modi @ 7
      15. Serial :
        10479
      1. Author :
        Apidianakis, Y.; Mindrinos, M. N.; Xiao, W.; Tegos, G. P.; Papisov, M. I.; Hamblin, M. R.; Davis, R. W.; Tompkins, R. G.; Rahme, L. G.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2007
      5. Publication :
        PLoS One
      6. Products :
      7. Volume :
        2
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        IVIS, Xenogen, Xen5
      12. Abstract :
        Despite recent advances in our understanding the pathophysiology of trauma, the basis of the predisposition of trauma patients to infection remains unclear. A Drosophila melanogaster/Pseudomonas aeruginosa injury and infection model was used to identify host genetic components that contribute to the hyper-susceptibility to infection that follows severe trauma. We show that P. aeruginosa compromises skeletal muscle gene (SMG) expression at the injury site to promote infection. We demonstrate that activation of SMG structural components is under the control of cJun-N-terminal Kinase (JNK) Kinase, Hemipterous (Hep), and activation of this pathway promotes local resistance to P. aeruginosa in flies and mice. Our study links SMG expression and function to increased susceptibility to infection, and suggests that P. aeruginosa affects SMG homeostasis locally by restricting SMG expression in injured skeletal muscle tissue. Local potentiation of these host responses, and/or inhibition of their suppression by virulent P. aeruginosa cells, could lead to novel therapies that prevent or treat deleterious and potentially fatal infections in severely injured individuals.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/18159239
      14. Call Number :
        135889
      15. Serial :
        6705
      1. Author :
        Krespi, Y. P.; Kizhner, V.; Nistico, L.; Hall-Stoodley, L.; Stoodley, P.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2011
      5. Publication :
        Am J Otolaryngol
      6. Products :
      7. Volume :
        32
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Xen31, Xen 31, MRSA, S. aureus, IVIS, Bioluminescence, Biofilms/drug effects/*radiation effects; Ciprofloxacin/*pharmacology; Culture Media; High-Energy Shock Waves; Humans; *Laser Therapy, Low-Level; Methicillin-Resistant Staphylococcus aureus/*growth &; development/physiology/*radiation effects; Microbial Sensitivity Tests; Reference Values; Sensitivity and Specificity; Spectroscopy, Near-Infrared; Staphylococcal Infections/drug therapy
      12. Abstract :
        OBJECTIVE: The aim of the study was to study the efficacy of 2 different lasers in vitro, in disrupting biofilm and killing planktonic pathogenic bacteria. MATERIALS AND METHODS: Biofilms of a stable bioluminescent of Staphylococcus aureus Xen 31 were grown in a 96-well microtiter plate for 3 days. The study included 7 arms: (a) control; (b) ciprofloxacin (3 mg/L, the established minimum inhibitory concentration [MIC]) alone; (c) shock wave (SW) laser alone; (d) near-infrared (NIR) laser alone; (e) SW laser and ciprofloxacin; (f) SW and NIR lasers; (g) SW, NIR lasers, and ciprofloxacin. The results were evaluated with an in vivo imaging system (IVIS) biophotonic system (for live bacteria) and optical density (OD) for total bacteria. RESULTS: Without antibiotics, there was a 43% reduction in OD (P < .05) caused by the combination of SW and NIR suggesting that biofilm had been disrupted. There was an 88% reduction (P < .05) in live biofilm. Ciprofloxacin alone resulted in a decrease of 28% of total live cells (biofilm remaining attached) and 58% of biofilm cells (both P > .05). Ciprofloxacin in combination with SW and SW + NIR lasers caused a decrease of more than 60% in total live biomass and more than 80% of biofilm cells, which was significantly greater than ciprofloxacin alone (P < .05). CONCLUSIONS: We have demonstrated an effective nonpharmacologic treatment method for methicillin-resistant Staphylococcus aureus (MRSA) biofilm disruption and killing using 2 different lasers. The preferred treatment sequence is a SW laser disruption of biofilm followed by NIR laser illumination. Treatment optimization of biofilm is possible with the addition of ciprofloxacin in concentrations consistent with planktonic MIC.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/20434806
      14. Call Number :
        PKI @ kd.modi @ 2
      15. Serial :
        10554
      1. Author :
        Tanaka, M.; Mroz, P.; Dai, T.; Huang, L.; Morimoto, Y.; Kinoshita, M.; Yoshihara, Y.; Shinomiya, N.; Seki, S.; Nemoto, K.; Hamblin, M. R.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2013
      5. Publication :
        Photochem Photobiol
      6. Products :
      7. Volume :
        N/A
      8. Issue :
        N/A
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Xen31, Xen 31, MRSA, S. aureus, IVIS, Bioluminescence
      12. Abstract :
        We previously reported that photodynamic therapy (PDT) using intra-articular methylene blue (MB) could be used to treat arthritis in mice caused by bioluminescent methicillin-resistant Staphylococcus aureus (MRSA) either in a therapeutic or in a preventative mode. PDT accumulated neutrophils into the mouse knee via activation of chemoattractants such as inflammatory cytokines or chemokines. In the present study, we asked whether PDT combined with antibiotics used for MRSA could provide added benefit in controlling the infection. We compared MB-PDT alone, systemic administration of either linezolid (LZD) alone or vancomycin (VCM) alone or the combination of PDT with either LZD or VCM. Real-time non-invasive imaging was used to serially follow the progress of the infection. PDT alone was the most effective, while LZD alone was ineffective and VCM alone showed some benefit. Surprisingly the addition of LZD or VCM reduced the therapeutic effect of PDT alone (P<0.05). Considering that PDT in this mouse model stimulates neutrophils to be antibacterial rather than actively killing the bacteria, we propose that LZD and VCM might inhibit the activation of inflammatory cytokines without eradicating the bacteria, and thereby reduce the therapeutic effect of PDT. (c) 2013 Wiley Periodicals, Inc. Photochemistry and Photobiology (c) 2013 The American Society of Photobiology.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/23311407
      14. Call Number :
        PKI @ kd.modi @ 6
      15. Serial :
        10558
      1. Author :
        Kim, J. K.; Won, Y. W.; Lim, K. S.; Kim, Y. H.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2012
      5. Publication :
        Pharm Res
      6. Products :
      7. Volume :
        29
      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, Animals; Antineoplastic Agents/*administration & dosage/pharmacokinetics/therapeutic use; Delayed-Action Preparations/*chemistry; Male; Methylcellulose/*chemistry; Mice; Mice, Inbred C57BL; *Micelles; Neoplasms/drug therapy; Poloxamer/*chemistry; Taxoids/*administration & dosage/pharmacokinetics/therapeutic use
      12. Abstract :
        PURPOSE: To develop low-molecular-weight methylcellulose (LMw MC)-based gel/Pluronic F127 micelle combination system for local and sustained delivery of docetaxel (DTX). METHODS: LMw MC and Pluronic F127 were used to formulate an injectable thermo-reversible gel/micelle combination system containing DTX. The DTX-loaded combination system was characterized and its therapeutic efficacy evaluated in a subcutaneous tumor model. RESULTS: Mixtures of LMw MC, AS, and Pluronic F127 formed gel at ~15-40 degrees C depending on AS concentration. The combination system released DTX for >30 days with a biphasic and sustained release pattern, and DTX stability was maintained during release. The combination system significantly enhanced anti-cancer effects of DTX and prolonged survival of the model mouse in comparison with free DTX. CONCLUSIONS: The LMw MC gel/Pluronic F127 micelle combination system constitutes a promising tool for reducing tumor size and eradicating remaining tumor cells before and after surgery.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/21904934
      14. Call Number :
        PKI @ kd.modi @ 16
      15. Serial :
        10531
      1. Author :
        Neben, Tamlyn Yee; Clermont, Anne O.; Esposito, Lin; Oei, Yoko; Neben, Tamlyn Yee; Jenkins, Darlene E.; Clermont, Anne O.; Esposito, Lin; Oei, Yoko; Jenkins, Darlene E.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2005
      5. Publication :
        AACR Meeting Abstracts
      6. Products :
      7. Volume :
        2005
      8. Issue :
        1
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Bioware; Lovo-6-luc-1 cells
      12. Abstract :
        Colorectal cancer is the fourth most common cancer in the United States with an estimated 130,000 new cases diagnosed each year. Many cases are asymptomatic and not diagnosed until late stage of disease. Identification of primary tumors at an earlier stage is advantageous in treatment planning and aids in decreasing the morbidity/mortality rate from recurrence. The aim of our studies is to establish a xenograft system for monitoring tumor growth and metastasis in vivo which allows continual evaluation of drug and drug regimen efficacy at all stages of tumor progression. LoVo-6-luc-1, a luciferase expressing cell line derived from LoVo human colorectal adenocarcinoma cells, was injected by various routes (subcutaneous, intraperitoneal and intracecal) into female SCID-bg mice. Tumor growth and metastatic spread was monitored weekly by in vivo imaging using the Xenogen IVISTM imaging platform. Visible bioluminescence signals were detected immediately after injection and high tumor take was seen in all of the models. In the subcutaneous model, we found a high correlation between mean bioluminescence and mean tumor volume. In the intraperitoneal and ceacum injected models, the onset of tumor spread was rapid and ex vivo imaging confirmed metastasis to multiple organs such as liver, lung, kidney, adrenal gland, spleen and ovary.
      13. URL :
        http://www.aacrmeetingabstracts.org/cgi/content/abstract/2005/1/908-d
      14. Call Number :
        PKI @ catherine.lautenschlager @
      15. Serial :
        9016
      1. Author :
        Jenkins, Darlene E.; Hornig, Yvette S.; Oei, Yoko A.; Yu, Shang-Fan; Dusich, Joan M.; Jenkins, Darlene E.; Purchio, Tony; Hornig, Yvette S.; Oei, Yoko A.; Yu, Shang-Fan; Dusich, Joan M.; Purchio, Tony
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2004
      5. Publication :
        AACR Meeting Abstracts
      6. Products :
      7. Volume :
        2004
      8. Issue :
        1
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Bioware; MCF-7-luc-F5 cells
      12. Abstract :
        A clonal human tumor cell line expressing firefly luciferase, MCF-7-luc-F5, was developed from parental MCF-7 breast carcinoma cells and characterized for bioluminescence in vitro and in vivo. As few as twenty cells were detectable in vitro and average bioluminescence measured approximately 680 photons/sec/cell. Tumorigenesis of MCF-7-luc-F5 cells was assessed with and without estrogen supplement in vivo following injection of cells into the mammary fat pad of nude-beige mice. Continuous tumor growth was observed by weekly bioluminescent imaging in mice receiving a slow release (60 day) estrogen pellet implant (0.36 mg/pellet), while no tumor growth occurred in mice without estrogen supplement. Caliper measurements of tumor volume indicated similar results. A kinetic analysis of luciferase activity in vivo demonstrated that peak signals were evident approximately 12-15 minutes after injection of luciferin substrate and were maintained at a relatively stable level for at least another 20-25 minutes. Spontaneous metastasis from the primary mammary fat pad tumor to thoracic and axillary regions was observed in vivo in 50% of the animals. Subsequent ex vivo images and histology identified metastatic sites in lung, rib, or lymph nodes depending on the mouse. Standard drug treatment on primary and secondary tumor growth was also monitored by bioluminescent imaging.
      13. URL :
        http://www.aacrmeetingabstracts.org/cgi/content/abstract/2004/1/1179-c
      14. Call Number :
        PKI @ catherine.lautenschlager @
      15. Serial :
        9011
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