Research Topics
Species | C R DassSummaryAffiliation: St Vincent's Hospital Country: Australia Publications
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Detail Information
Publications
Selective gene delivery for cancer therapy using cationic liposomes: in vivo proof of applicabilityCrispin R Dass
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital Melbourne, P O Box 2900, Fitzroy 3065, Australia
J Control Release 113:155-63. 2006..This review looks at the state of play in this rapidly growing field...
Downregulation of uPAR confirms link in growth and metastasis of osteosarcomaCrispin R Dass
Department of Orthopaedics, The University of Melbourne, St Vincent s Hospital Melbourne, P O Box 2900, 3065 Fitzroy, Vic, Australia
Clin Exp Metastasis 22:643-52. 2005..05), and total inhibition of pulmonary metastases were observed in mice injected with the more potent of the antisense clones. This study proves seminally the usefulness of uPAR antisense in curbing the growth and spread of osteosarcoma...
Biocompatible chitosan-DNAzyme nanoparticle exhibits enhanced biological activityCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital, Vic, Australia
J Microencapsul 25:421-5. 2008..The formulation was stable in serum for a week and at room temperature for a month. Clinically, knockdown of c-jun gene expression with chitosan nanobiotechnology may improve treatment outcome for tumours growing in bone...
Carrier-mediated delivery of peptidic drugs for cancer therapyCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, St Vincent s Hospital Melbourne, P O Box 2900, Fitzroy 3065, Melbourne, Vic, Australia
Peptides 27:3020-8. 2006..A brief look at the types of peptidic drugs currently in use clinically, and a brief discourse on several novel ideas for better protein delivery systems for cancer therapy is included...
The use of chitosan formulations in cancer therapyCrispin R Dass
Departments of Orthopaedics and Surgery, University of Melbourne, St Vincent s Hospital, Melbourne, Australia
J Microencapsul 25:275-9. 2008..The future of this promising technology lies in the evolution of new ideas for enhanced nucleic acid drug pharmacokinetics and, consequently, pharmacodynamics for cancer patients...
Chitosan-mediated orally delivered nucleic acids: a gutful of gene therapyCrispin R Dass
Departments of Orthopaedics and Surgery, University of Melbourne, St Vincent s Hospital Melbourne, Fitzroy, Australia
J Drug Target 16:257-61. 2008....
Biophysical delivery of peptides: applicability for cancer therapyCrispin R Dass
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital Melbourne, P O Box 2900, Fitzroy 3065, Australia
Peptides 27:3479-88. 2006..This review discusses these methods in turn, and examines ways by which these can be enhanced for peptide delivery to tumors...
Human xenograft osteosarcoma models with spontaneous metastasis in mice: clinical relevance and applicability for drug testingCrispin R Dass
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital, Fitzroy, VIC 3065, Australia
J Cancer Res Clin Oncol 133:193-8. 2007..This review tackles this conundrum and lists the variety of models (that use human osteosarcoma cells) available and the types of studies performed with these...
A novel orthotopic murine model provides insights into cellular and molecular characteristics contributing to human osteosarcomaCrispin R Dass
Department of Orthopaedics, The University of Melbourne St Vincent s Hospital, P O Box 2900, Melbourne, Fitzroy, 3065 VIC, Australia
Clin Exp Metastasis 23:367-80. 2006..The newly established SaOS-2 model should allow the testing of candidate anti-osteosarcoma agents as well as dissection of more intricate mechanisms involved in human osteosarcoma...
Chitosan microparticles encapsulating PEDF plasmid demonstrate efficacy in an orthotopic metastatic model of osteosarcomaCrispin R Dass
Department of Orthopaedics, University of Melbourne, St Vincent s Health, P O Box 2900, Fitzroy, 3065 Melbourne, Australia
Biomaterials 28:3026-33. 2007..Thus, this new mode of localised gene delivery may hold promise for molecular therapy of osteosarcoma...
Gene therapy for osteosarcoma: steps towards clinical studiesCrispin R Dass
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital Melbourne, Australia
J Pharm Pharmacol 60:405-13. 2008..Drawing from the experiences of gene therapy against other cancers, studies for which have already reached the clinical phase, the review discusses potential pitfalls and solutions to enhance gene therapy for osteosarcoma...
Pigment epithelium-derived factor (PEDF): drug developmental challenges ahead for a budding anti-angiogenicC R Dass
Department of Orthopaedics, St Vincent s Hospital, Melbourne, Australia
Pharmazie 63:4-6. 2008..The next obvious challenge is to find ways to deliver this molecule in vivo with enhanced pharmacodynamics and reduced toxicity. Several methods to achieve this are proposed...
GFP expression alters osteosarcoma cell biologyCrispin R Dass
Department of Orthopaedics, University of Melbourne St Vincent s Hospital Melbourne, Fitzroy, Victoria, Australia
DNA Cell Biol 26:599-601. 2007..The use of GFP for cell tracking in osteosarcoma animal models should therefore be used with caution...
DNAzyme technology and cancer therapy: cleave and let dieCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, Fitzroy, VIC 3065, Australia
Mol Cancer Ther 7:243-51. 2008..This review documents the rise of DNAzymes in the fight against cancer and serves as a forecast for this promising biotechnology in this context...
Angiogenesis inhibitors and the need for anti-angiogenic therapeuticsC R Dass
Department of Orthopaedics, University of Melbourne, St Vincent s Health, P O Box 2900, Fitzroy, 3065, Melbourne, Australia
J Dent Res 86:927-36. 2007..This review looks at the common angiogenic inhibitors (angiostatin, endostatin, maspin, pigment epithelium-derived factor, bevacizumab and other monoclonal antibodies, and zoledronic acid) and their current status in clinical trials...
C-jun: pharmaceutical target for DNAzyme therapy of multiple pathologiesC R Dass
Department of Orthopaedics, St Vincent s Hospital, Peter MacCallum Cancer Centre, Melbourne, Australia
Pharmazie 63:411-4. 2008..Importantly, downregulation of c-jun is noted to cause apoptotic death of cancer cells. These studies collectively demonstrate the potential of this DNAzyme as a lead candidate for DNAzyme therapeutics...
Zoledronic acid inhibits osteosarcoma growth in an orthotopic modelCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, P O Box 2900, Fitzroy 3065, Melbourne, Australia
Mol Cancer Ther 6:3263-70. 2007....
PEDF as an emerging therapeutic candidate for osteosarcomaCrispin R Dass
Department of Orthopaedics and Surgery, University of Melbourne, St Vincent s Hospital, Melbourne, Australia
Curr Cancer Drug Targets 8:683-90. 2008..Current efforts are devoted to develop drug delivery systems, such as controlled release nanoparticles, that can be used to progress this potential drug candidate closer towards clinical trials for OS...
PEDF-derived synthetic peptides exhibit antitumor activity in an orthotopic model of human osteosarcomaEugene T H Ek
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital, Melbourne, P O Box 2900, Fitzroy, 3065, Melbourne, Vic, Australia
J Orthop Res 25:1671-80. 2007..Furthermore, this raises the possibility of developing short PEDF fragments as lead compounds for the treatment of osteosarcoma...
Pigment epithelium-derived factor overexpression inhibits orthotopic osteosarcoma growth, angiogenesis and metastasisE T H Ek
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital, Melbourne, Victoria, Australia
Cancer Gene Ther 14:616-26. 2007..05). Therefore, together these results suggest that PEDF may be a new and promising approach for the treatment of osteosarcoma...
The pathophysiological role of PEDF in bone diseasesM L Broadhead
Department of Orthopaedics and University of Melbourne Department of Surgery, St Vincent s Hospital, Vic, Australia
Curr Mol Med 10:296-301. 2010..Surprisingly, the role of PEDF has not been evaluated more widely in bone disorders, so the challenge ahead lies in a more diverse evaluation of PEDF in various osteologic pathologies including osteoarthritis and fracture healing...
A chitosan hydrogel delivery system for osteosarcoma gene therapy with pigment epithelium-derived factor combined with chemotherapyHang T Ta
Department of Chemical and Biomolecular Engineering, University of Melbourne, Victoria 3010, Australia
Biomaterials 30:4815-23. 2009..The results obtained from this study demonstrate the potential application of a biodegradable hydrogel technology as an anti-cancer drug delivery system for successful chemo-gene therapy...
Systemically administered PEDF against primary and secondary tumours in a clinically relevant osteosarcoma modelM L Broadhead
Department of Orthopaedics, St Vincent s Hospital Melbourne, Level 3, Daly Wing, 35 Victoria Pde, Fitzroy, VIC 3065, Australia
Br J Cancer 105:1503-11. 2011..Animal studies have demonstrated the biological effects of PEDF on osteosarcoma; however, these results are difficult to extrapolate for human use due to the chosen study design and drug delivery methods...
The performance of doxorubicin encapsulated in chitosan-dextran sulphate microparticles in an osteosarcoma modelMei L Tan
Department of Orthopaedics, St Vincent s Hospital Melbourne, Fitzroy, VIC 3065, Australia
Biomaterials 31:541-51. 2010..Thus, DMP may prove to be a useful DDS platform clinically provided further studies are performed to rigorously validate this technology...
Downregulation of c-jun results in apoptosis-mediated anti-osteosarcoma activity in an orthotopic modelCrispin R Dass
Department of Orthopaedics and University of Melbourne Department of Surgery, St Vincent s Hospital, Victoria, Australia
Cancer Biol Ther 7:1033-6. 2008..The 60 nm DDAB:DOPE liposome was formulated using ethanol injection/extrusion. Clinically, downregulation of c-jun may proffer an improved treatment outcome for these tumours originating in bone...
Inhibition of orthotopic osteosarcoma growth and metastasis by multitargeted antitumor activities of pigment epithelium-derived factorEugene T H Ek
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital, P O Box 2900, Fitzroy, Melbourne, 3065 VIC, Australia
Clin Exp Metastasis 24:93-106. 2007..These results suggest that PEDF is emerging as an attractive and clinically appealing drug candidate for the treatment of osteosarcoma...
c-Jun Is critical for the progression of osteosarcoma: proof in an orthotopic spontaneously metastasizing modelCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital, Fitzroy, Melbourne, Victoria 3065, Australia
Mol Cancer Res 6:1289-92. 2008..Clinically, knockdown of c-Jun with DNAzymes may proffer an improved treatment outcome for these tumors originating in bone...
A chitosan-dipotassium orthophosphate hydrogel for the delivery of Doxorubicin in the treatment of osteosarcomaHang T Ta
Department of Chemical and Biomolecular Engineering, University of Melbourne, VIC 3010, Australia
Biomaterials 30:3605-13. 2009..The results obtained from this study demonstrate the potential application of a biodegradable hydrogel technology as an anti-cancer drug delivery system for successful chemotherapy...
Development of chondrosarcoma animal models for assessment of adjuvant therapyJ C M Clark
Department of Orthopaedics, University of Melbourne Department of Surgery, St Vincent s Health, Melbourne, Australia
ANZ J Surg 79:327-36. 2009..More clinically relevant models of human chondrosarcoma progression are required either through transgenic mice or orthotopic human xenograft models...
Recent developments in liposomes, microparticles and nanoparticles for protein and peptide drug deliveryMei Lin Tan
Department of Orthopedics, University of Melbourne, St Vincent s Hospital Melbourne, Fitzroy, Australia
Peptides 31:184-93. 2010..This review discusses the recent developments in the fields of liposome, microparticle and nanoparticle pertinent to protein and peptide delivery covering those systems tested and/or validated in vivo...
PEDF: a potential molecular therapeutic target with multiple anti-cancer activitiesEugene T H Ek
Department of Orthopaedics, University of Melbourne St. Vincent's Hospital, Melbourne, PO Box 2900, Fitzroy, Melbourne, Australia
Trends Mol Med 12:497-502. 2006..We also discuss the prospects for PEDF therapy and the need for a closer evaluation of issues such as delivery, stability and potential toxicity...
Anti-chondrosarcoma effects of PEDF mediated via molecules important to apoptosis, cell cycling, adhesion and invasionMei Lin Tan
Department of Orthopaedics, St Vincent s Hospital Melbourne, Vic, Australia
Biochem Biophys Res Commun 398:613-8. 2010..These findings seminally indicate that PEDF may have potential as an anti-cancer agent against chondrosarcoma...
Lipoplex-mediated delivery of nucleic acids: factors affecting in vivo transfectionCrispin R Dass
GeneType Research Labs, 60 70 Hanover Street, 3065 Fitzroy, Australia
J Mol Med (Berl) 82:579-91. 2004..More research is needed to understand the basic biology behind lipofection, first at the cellular level, then at the multicellular (whole organism) level...
Tumour angiogenesis, vascular biology and enhanced drug deliveryCrispin R Dass
GeneType Research Labs, Fitzroy, Australia
J Drug Target 12:245-55. 2004..This review examines, from various viewpoints, the area of tumour angiogenesis and vascularisation, currently one of the most fertile and active fields of cancer research...
uPAR mediates anticancer activity of PEDFCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, University of Melbourne, Australia
Cancer Biol Ther 7:1262-70. 2008....
Dz13, a c-jun DNAzyme, is a potent inducer of caspase-2 activationCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, Fitzroy, Vic, Australia
Oligonucleotides 20:137-46. 2010..These findings provide hope that Dz13, and other agents that evoke activation of caspase-2, may be therapeutic clinically...
A nanoparticulate system that enhances the efficacy of the tumoricide Dz13 when administered proximal to the lesion siteMei Lin Tan
Department of Orthopaedics, St Vincent s Hospital Melbourne, Vic, Australia
J Control Release 144:196-202. 2010..However, no toxicity against other bone-dwelling cells was observed with the formulation, and no side-effects were noted in vivo in lymphatic and reticuloendothelial tissues proximal and distal to the administration site...
Oligonucleotide delivery to tumours using macromolecular carriersCrispin R Dass
RareCellect, Genetic Technologies Research Laboratories, 60 66 Hanover Street, Fitzroy 3065, Melbourne, Victoria 3073, Australia
Biotechnol Appl Biochem 40:113-22. 2004..It also proposes how microparticles can be utilized for delivery of ONs to solid tumours. Prospects for improved ON delivery using these carriers and ways to achieve this are discussed...
In vitro and in vivo biological activity of PEDF against a range of tumorsMatthew L Broadhead
University of Melbourne, St Vincent s Hospital, Department of Orthopaedics and Surgery, L3, Daly Wing, 35 Victoria Pde, Fitzroy 3065, Vic, Australia
Expert Opin Ther Targets 13:1429-38. 2009..These direct and indirect effects of PEDF have been examined in vitro and in vivo for a range of malignancies...
Pigment epithelium-derived factor: a multimodal tumor inhibitorEugene T H Ek
Department of Orthopaedics, St. Vincent's Hospital, P.O. Box 2900, Fitzroy, 3065 Melbourne, Australia
Mol Cancer Ther 5:1641-6. 2006..Although there is a substantial amount of work carried out at the preclinical stage with this protein, more groundwork has to be done before PEDF is tested against cancer in clinical trials...
Current and future treatments of bone metastasesJ C M Clark
University of Melbourne, St Vincent s Hospital, St Vincent s Health, Department of Surgery and Orthopaedics, Level 3 Daly Wing, 41 Victoria Parade, Fitzroy, Vic, 3053, Australia
Expert Opin Emerg Drugs 13:609-27. 2008..Direct inhibition of metastasis progression and osteolysis with less reliance on cytotoxic agents and invasive therapy should result in improved metastatic control, longer survival and less overall morbidity...
Non-viral methods for gene transfer towards osteosarcoma therapyCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, University of Melbourne, Fitzroy, Australia
J Drug Target 15:184-9. 2007..The field is still in its infancy as far as osteosarcoma is concerned and much more needs to be done to test its true potential as a feasible therapeutic modality...
Therapeutic targeting of osteoclast function and pathwaysMatthew L Broadhead
St Vincent s Hospital, Department of Orthopaedics and University of Melbourne, Department of Surgery, L3, Daly Wing, 35 Victoria Parade, Fitzroy 3065, Vic, Australia
Expert Opin Ther Targets 15:169-81. 2011..Targeting of osteoclast control mechanisms offers the potential of combining 'molecular imaging' with therapeutic intervention and longitudinal monitoring of disease processes...
Sequence-related off-target effect of Dz13 against human tumor cells and safety in adult and fetal mice following systemic administrationCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, Fitzroy, Victoria, Australia
Oligonucleotides 20:51-60. 2010..It was also void of adverse effects to the physiological processes of angiogenesis and apoptosis. Collectively, the data support the safety of Dz13 and its activity attributed to off-target effects...
PEDF regulates osteoclasts via osteoprotegerin and RANKLToru Akiyama
Departments of Orthopaedics and Surgery, University of Melbourne, St Vincent s Health, Melbourne, Australia
Biochem Biophys Res Commun 391:789-94. 2010..These results suggest that PEDF inhibits OCL function via regulating OPG expression, and thereby contributes to the maintenance of bone homeostasis...
Drug delivery in cancer using liposomesCrispin R Dass
Department of Orthopaedics, St Vincent ps Hospital Melbourne, Fitzroy, Vic, Australia
Methods Mol Biol 437:177-82. 2008..This chapter describes the more rigorous and easy methods used for liposome manufacture, with references, to aid the reader in preparing these formulations in-house...
Cancer, chitosan nanoparticles and catalytic nucleic acidsMei Lin Tan
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital Melbourne, P O Box 2900, Fitzroy 3065, Australia
J Pharm Pharmacol 61:3-12. 2009..The aim of this review was to examine gene therapy involving DNAzyme and siRNA encapsulation into chitosan nanoparticles, discussing the current and future status of this drug delivery system in enhancing drug delivery and cancer therapy...
Osteosarcoma treatment: state of the artHang T Ta
Department of Chemical and Biomolecular Engineering, University of Melbourne, Melbourne, Vic, 3010, Australia
Cancer Metastasis Rev 28:247-63. 2009..This article reviews the biology and the state of the art management of OS. New experimental drugs and potential therapies targeting molecular pathways of OS are also discussed...
Cancer cell apoptotic pathways mediated by PEDF: prospects for therapyMatthew L Broadhead
Department of Orthopaedics and University of Melbourne Department of Surgery, St Vincent s Hospital, Vic, Australia
Trends Mol Med 15:461-7. 2009....
Cancer angiogenesis: targeting the heel of AchillesCrispin R Dass
Department of Orthopaedics and Surgery, University of Melbourne, St Vincent s Hospital Melbourne, Melbourne, Australia
J Drug Target 16:449-54. 2008..This review looks at the current state of play in the area of cancer angiogenesis, and development of therapies to target it...
Involvement of c-jun in human liposarcoma growth: supporting data from clinical immunohistochemistry and DNAzyme efficacyCrispin R Dass
Department of Orthopaedics and University of Melbourne Department of Surgery, St Vincent s Hospital, Fitzroy, Victoria, Australia
Cancer Biol Ther 7:1297-301. 2008..Clinically, downregulation of c-jun may proffer an improved treatment outcome for liposarcoma. The new model for LS described here will enable better testing of agents with therapeutic potential against LS...
A review of clinical and molecular prognostic factors in osteosarcomaJonathan C M Clark
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital, P O Box 2900, Fitzroy, Melbourne, VIC 3065, Australia
J Cancer Res Clin Oncol 134:281-97. 2008....
Commonly used mouse models of osteosarcomaEugene T H Ek
Department of Orthopaedics, University of Melbourne, St. Vincent's Hospital, P.O. Box 2900, Fitzroy, Vic, Melbourne 3065, Australia
Crit Rev Oncol Hematol 60:1-8. 2006..Given that osteosarcoma is a disease that affects young people and better disease management strategies are essential, development of a robust human osteosarcoma model is long overdue...
RECK--a newly discovered inhibitor of metastasis with prognostic significance in multiple forms of cancerJonathan C M Clark
Department of Orthopaedics, St Vincent s Hospital, University of Melbourne, Melbourne, Australia
Cancer Metastasis Rev 26:675-83. 2007..Although further research is required, RECK is a promising prognostic marker and potential therapeutic agent in multiple cancers...
Injectable chitosan hydrogels for localised cancer therapyHang Thu Ta
Department of Chemical and Biomolecular Engineering, The University of Melbourne, Australia, Vic
J Control Release 126:205-16. 2008....
Dz13 induces a cytotoxic stress response with upregulation of E2F1 in tumor cells metastasizing to or from boneCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, Fitzroy, Australia
Oligonucleotides 20:79-91. 2010..These results provide an off-target mechanism for Dz13 function, but this may be useful therapeutically against tumors...
RANK-Fc inhibits malignancy via inhibiting ERK activation and evoking caspase-3-mediated anoikis in human osteosarcoma cellsToru Akiyama
Departments of Orthopaedics and Surgery, St Vincent s Health, University of Melbourne, Fitzroy, Melbourne, VIC 3065, Australia
Clin Exp Metastasis 27:207-15. 2010..In vivo, activity of the RANK-Fc against OS cell migration and invasion was confirmed in a model strictly monitoring metastasis. Thus, RANK-Fc, given its ability to directly reduce OS aggression, is a potential drug candidate...
Microarray: an instrument for cancer surgeons of the future?Matthew L Broadhead
Department of Orthopaedics University of Melbourne, St Vincent s Hospital, Vic, Australia
ANZ J Surg 80:531-6. 2010..This review outlines the science of microarray and draws on clinical examples, including osteosarcoma, breast, prostate and pancreatic carcinomas, to highlight the potential of microarray as a technique of surgical importance...
DNAzyme delivery systems: getting past first baseMei Lin Tan
University of Melbourne, Melbourne, Australia
Expert Opin Drug Deliv 6:127-38. 2009..The challenge ahead for DNAzymes to be considered genuine drug candidates alongside siRNA and antisense simply lies in the better implementation of DDSs...
Chitosan-dibasic orthophosphate hydrogel: a potential drug delivery systemHang T Ta
Department of Chemical and Biomolecular Engineering, University of Melbourne, VIC 3010, Australia
Int J Pharm 371:134-41. 2009..These results indicate the potential of Chi/DHO hydrogels as delivery systems for different therapeutic agents with controlled release kinetics...
The urokinase plasminogen activator receptor as a gene therapy target for cancerVinochani Pillay
Department of Orthopaedics, St Vincent s Hospital Melbourne, PO Box 2900, Fitzroy 3065, Melbourne, Vic, Australia
Trends Biotechnol 25:33-9. 2007..Preclinical studies are advancing towards the translational phase, provided that established orthotopic tumours, which mimic clinical progression and presentation, are treated using clinically acceptable modes of nucleic acid delivery...
Review: doxorubicin delivery systems based on chitosan for cancer therapyMei Lin Tan
Department of Orthopaedics and Surgery, University of Melbourne, St Vincent s Hospital Melbourne, Melbourne, Australia
J Pharm Pharmacol 61:131-42. 2009....
c-Jun knockdown sensitizes osteosarcoma to doxorubicinCrispin R Dass
Department of Orthopaedics, St Vincent s Hospital Melbourne, P O Box 2900, Fitzroy, Victoria 3065, Australia
Mol Cancer Ther 7:1909-12. 2008..c-Jun down-regulation-mediated tumor inhibition also led to concomitant decreased osteolysis. Clinically, knockdown of c-Jun with chitosan nanobiotechnology may proffer an improved treatment outcome for osteosarcoma...
Osteosarcoma: Conventional treatment vs. gene therapyMei Lin Tan
Department of Orthopaedics, University of Melbourne, St Vincent s Hospital Melbourne, Melbourne, Australia
Cancer Biol Ther 8:106-17. 2009....
Deoxyribozymes: cleaving a path to clinical trialsCrispin R Dass
GeneType Research Laboratories, 60 Hanover Street, Fitzroy 3065, Victoria, Australia
Trends Pharmacol Sci 25:395-7. 2004..Rigorous testing in preclinical studies is now required before this relatively new entity enters Phase I clinical trials...
Novel therapeutic strategy for osteosarcoma targeting osteoclast differentiation, bone-resorbing activity, and apoptosis pathwayToru Akiyama
Department of Orthopaedics Surgery, University of Melbourne, St Vincent s Health, Fitzroy 3065, Melbourne, Victoria, Australia
Mol Cancer Ther 7:3461-9. 2008..This review article will attempt to discuss these issues in term...
Preclinical anticancer activity of DNA-based cleavage moleculesCrispin R Dass
Department of Orthopaedics, St Vincents Hospital, 35 Victoria Parade, Fitzroy, 3065, Australia
Drug Dev Ind Pharm 32:1-5. 2006..While a significant amount of work has gone into chemically stabilizing the molecule, delivery is one area that needs particular attention...
Bim-targeted cancer therapy: a link between drug action and underlying molecular changesToru Akiyama
Department of Orthopaedics, University of Melbourne, and St Vincent s Hospital Melbourne, L3 Daly Wing, 35 Victoria Pde, Fitzroy, Melbourne, VIC 3065 Australia
Mol Cancer Ther 8:3173-80. 2009..Thus, Bim-targeting therapies may provide more effective and unique tumor management modalities in future. This review article discusses all these issues...
Modified microplex vector enhances transfection of cells in culture while maintaining tumour-selective gene delivery in-vivoCrispin R Dass
Charles Sturt University, Box 588, Wagga Wagga, NSW 2678, Australia
J Pharm Pharmacol 55:19-25. 2003....
In-vitro and in-vivo assays for angiogenesis-modulating drug discovery and developmentMichelle W Phung
Cancer Biology and Lead Discovery, Cryptome Pharmaceuticals Pty. Ltd, Level 1, Baker Heart Research Institute, Commercial Road, Melbourne 3004, Australia
J Pharm Pharmacol 58:153-60. 2006..More clinically relevant models are needed as anti-angiogenesis drug discovery and drug development companies fast track their lead molecules from preclinical investigations to phase I clinical trials...
Inhibition of human breast carcinoma proliferation, migration, chemoinvasion and solid tumour growth by DNAzymes targeting the zinc finger transcription factor EGR-1Ainslie Mitchell
Department of Haematology, Centre for Vascular Research, The University of New South Wales, Sydney, NSW 2052, Australia
Nucleic Acids Res 32:3065-9. 2004..Thus, DNAzymes targeting specific genes can inhibit multiple key tumorigenic processes in vitro and in vivo and may serve as useful anti-cancer agents...
Liposomes containing cationic dimethyl dioctadecyl ammonium bromide: formulation, quality control, and lipofection efficiencyCrispin R Dass
Charles Sturt University, Wagga Wagga, Australia
Drug Deliv 9:11-8. 2002....
Effect of deoxyribozymes targeting c-Jun on solid tumor growth and angiogenesis in rodentsGuishui Zhang
Centre for Vascular Research, The University of New South Wales and Department of Haematology, The Prince of Wales Hospital, Sydney, Australia
J Natl Cancer Inst 96:683-96. 2004..The basic region-leucine zipper protein c-Jun has been linked to cell proliferation, transformation, and apoptosis. However, a direct role for c-Jun in angiogenesis has not been shown...
Improving anti-angiogenic therapy via selective delivery of cationic liposomes to tumour vasculatureCrispin R Dass
Johnson and Johnson Research, Box 4555, Strawberry Hills 2012, Australia
Int J Pharm 267:1-12. 2003..This review discusses the potential of delivering therapeutic nucleic acids to tumour vasculature using cationic liposomes, vehicles recently demonstrated to be selectively delivered to tumour vasculature...
Cytotoxicity issues pertinent to lipoplex-mediated gene therapy in-vivoCrispin R Dass
Johnson and Johnson Research, Eveleigh, New South Wales, Australia
J Pharm Pharmacol 54:593-601. 2002....
Biochemical and biophysical characteristics of lipoplexes pertinent to solid tumour gene therapyCrispin R Dass
Johnson and Johnson Research, 1 Central Avenue, Australian Technology Park, 1430, Eveleigh, Australia
Int J Pharm 241:1-25. 2002..Current research in this dynamic technological field is aimed at the development of cationic lipids that have negligible toxic effects and enhanced transfection capabilities...
Vehicles for oligonucleotide delivery to tumoursCrispin R Dass
Johnson and Johnson Research, Strawberry Hills, Australia
J Pharm Pharmacol 54:3-27. 2002..A discourse on how the chemical and physical properties of these carriers may affect the uptake of ONs into cells, particularly in-vivo, forms a major basis of this review...
Transcription factor Egr-1 supports FGF-dependent angiogenesis during neovascularization and tumor growthRoger G Fahmy
Centre for Vascular Research, University of New South Wales, Sydney NSW 2052, Australia
Nat Med 9:1026-32. 2003..Egr-1 DNAzymes also repressed neovascularization of rat cornea. Thus, microvascular endothelial cell growth, neovascularization, tumor angiogenesis and tumor growth are processes that are critically dependent on Egr-1...
Cyclodextrins and oligonucleotide delivery to solid tumoursCrispin R Dass
Genetic Technologies Pty Ltd, Hanover St 3065 Fitzroy Australia
J Drug Target 12:1-9. 2004..The physicochemical properties of these oligosaccharide molecules, and the barriers posed by the solid tumour itself, factors that affect may affect the uptake of oligonucleotides by CyDs, are the major foci of this review...
A model for evaluating selective delivery of plasmid DNA to tumours via the vasculatureCrispin R Dass
School of Biomedical Sciences, Charles Sturt University, Wagga Wagga 2678, Australia
Cancer Biother Radiopharm 17:501-5. 2002..This tumour model has the potential of screening delivery vehicles as well as therapeutic agents for the capacity of selective delivery to tumours via the vasculature...
Cellular uptake, distribution, and stability of 10-23 deoxyribozymesCrispin R Dass
Johnson and Johnson Research Laboratories, Eveleigh, Australia
Antisense Nucleic Acid Drug Dev 12:289-99. 2002..The present study demonstrates that DNAzymes with a 3'-inversion are readily delivered into cultured cells and are functionally stable for several hours in serum and within cells...
Brothers in arms: DNA enzymes, short interfering RNA, and the emerging wave of small-molecule nucleic acid-based gene-silencing strategiesRavinay Bhindi
Centre for Vascular Research, The University of New South Wales, Sydney, NSW 2052, Australia
Am J Pathol 171:1079-88. 2007..This review tracks current movements in these technologies, focusing mainly on DNA enzymes and short interfering RNA, because these are poised to play an integral role in antigene therapies in the future...
Liposome-mediated delivery of oligodeoxynucleotides in vivoCrispin R Dass
DNAzyme Technology, Johnson and Johnson Research, Strawberry Hills, Australia
Drug Deliv 9:169-80. 2002..This result increases ODN uptake in target cells. Several liposomal formulations with proven potential for ODN delivery in vivo are discussed in this article...
