Research Topics
| M CemazarSummaryAffiliation: Institute of Oncology Country: Slovenia Publications
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Detail Information
Publications
Hyaluronidase and collagenase increase the transfection efficiency of gene electrotransfer in various murine tumorsMaja Cemazar
Department of Experimental Oncology, Institute of Oncology Ljubljana, SI 1000 Ljubljana, Slovenia
Hum Gene Ther 23:128-37. 2012....
Irradiation, cisplatin, and 5-azacytidine upregulate cytomegalovirus promoter in tumors and muscles: implementation of non-invasive fluorescence imagingUrska Kamensek
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Mol Imaging Biol 13:43-52. 2011..The aim of our study was to evaluate the role of methylation and upregulation of the CMV promoter by irradiation and the chemotherapeutic agent cisplatin in vivo using non-invasive fluorescence in vivo imaging...
The effect of electroporation pulses on functioning of the heartBarbara Mali
Laboratory of Biocybernetics, Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, 1000, Ljubljana, Slovenia
Med Biol Eng Comput 46:745-57. 2008....
Towards treatment planning and treatment of deep-seated solid tumors by electrochemotherapyDamijan Miklavcic
Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Biomed Eng Online 9:10. 2010..Electrochemotherapy has been successfully used for treatment of easily accessible superficial tumor nodules. In this paper, we present the first case of deep-seated tumor electrochemotherapy based on numerical treatment planning...
Electric pulses used in electrochemotherapy and electrogene therapy do not significantly change the expression profile of genes involved in the development of cancer in malignant melanoma cellsVid Mlakar
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska cesta 2, Ljubljana, Slovenia
BMC Cancer 9:299. 2009..We studied the effect of ECT and EGT pulses on human malignant melanoma cells in vitro in order to understand and predict the possible effect of electric pulses on gene expression and their possible effect on cell behaviour...
Radiosensitising effect of electrochemotherapy with bleomycin in LPB sarcoma cells and tumors in miceSimona Kranjc
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
BMC Cancer 5:115. 2005..The aim of the study was to evaluate whether a physical drug delivery system - electroporation can increase radiosensitising effect of bleomycin in vitro and in vivo...
Effective gene transfer to solid tumors using different nonviral gene delivery techniques: electroporation, liposomes, and integrin-targeted vectorMaja Cemazar
Tumor Microcirculation Group, Gray Cancer Institute, Mount Vernon Hospital, Northwood HA6 2JR, UK
Cancer Gene Ther 9:399-406. 2002..In conclusion, our results demonstrate that some nonviral methods of gene delivery are feasible and efficient in transfecting solid tumors. Therefore, this makes nonviral methods attractive for further development...
Schedule-dependent interaction between vinblastine and cisplatin in Ehrlich ascites tumors in miceMaja Cemazar
Institute of Oncology, Zaloska 2, SI 1000 Ljubljana, Slovenia
J Pharmacol Exp Ther 302:337-43. 2002....
Effects of electrogenetherapy with p53wt combined with cisplatin on curvival of human tumor cell lines with different p53 statusMaja Cemazar
Institute of Oncology, SI 1000 Ljubljana, Slovenia
DNA Cell Biol 22:765-75. 2003..This therapy was effective and dependent on the p53 status of the tumor cell lines. Combination of electrogenetherapy and cisplatin resulted in additional cell kill by cisplatin, and was not dependent on the p53 status...
Cytotoxicity of bioreductive drug tirapazamine is increased by application of electric pulses in SA-1 tumours in miceM Cemazar
Department of Tumor Biology, Institute of Oncology, Zaloska 2, SI 1000 Ljubljana, Slovenia
Anticancer Res 21:1151-6. 2001..The effect is more likely to be attributed to increased tumour hypoxia as a consequence of reduced tumour blood flow induced by application of electric pulses...
Electrochemotherapy of tumours resistant to cisplatin: a study in a murine tumour modelM Cemazar
Department of Tumor Biology, Institute of Oncology, Zaloska 2, SI 1000, Ljubljana, Slovenia
Eur J Cancer 37:1166-72. 2001..In conclusion, electrochemotherapy is an effective treatment of cisplatin-resistant solid tumours and may prove useful in clinical chemotherapy for the treatment of tumours with intrinsic or acquired resistance to cisplatin...
Direct visualization of electroporation-assisted in vivo gene delivery to tumors using intravital microscopy - spatial and time dependent distributionMaja Cemazar
Department of Experimental Oncology, Institute of Oncology, Zaloska 2, SI 1000 Ljubljana, Slovenia
BMC Cancer 4:81. 2004..Intravital microscopy of tumors growing in dorsal skin fold window chambers is a useful method for monitoring gene transfection, since it allows non-invasive dynamic monitoring of gene expression in tumors in a live animal...
Sequence and time dependence of transfection efficiency of electrically-assisted gene delivery to tumors in miceMaja Cemazar
Institute of Oncology Ljubljana, and University of Ljubljana, Veterinary Faculty, Slovenia
Curr Drug Deliv 3:77-81. 2006....
Cytotoxicity of different platinum (II) analogues to human tumour cell lines in vitro and murine tumour in vivo alone or combined with electroporationMaja Cemazar
Department of Experimental Oncology, Institute of Oncology, Zaloska 2, SI 1000 Ljubljana, Slovenia
Anticancer Res 26:1997-2002. 2006..The in vivo efficiencies of CDDP and 3P-SK in MCA mammary carcinoma tumours induced in CBA mice were compared...
Electrotransfer of therapeutic molecules into tissuesMaja Cemazar
Department of Experimental Oncology, Zaloska 2, SI 1000 Ljubljana, Slovenia
Curr Opin Mol Ther 9:554-62. 2007..Therefore, it can be presumed that electrotransfer of therapeutic genes into tissues will soon form a validated alternative to viral delivery systems in a clinical setting...
Cancer electrogene therapy with interleukin-12Maja Cemazar
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Curr Gene Ther 10:300-11. 2010....
The effect of the histological properties of tumors on transfection efficiency of electrically assisted gene delivery to solid tumors in miceS Mesojednik
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana, Slovenia
Gene Ther 14:1261-9. 2007..Therefore, knowledge about the histology of tumors is important in planning electrogene therapy with respect to the time interval between DNA injection and electroporation...
Control by pulse parameters of DNA electrotransfer into solid tumors in miceM Cemazar
Department of Experimental Oncology, Institute of Oncology, Ljubljana, Slovenia
Gene Ther 16:635-44. 2009....
Electroporation of human microvascular endothelial cells: evidence for an anti-vascular mechanism of electrochemotherapyM Cemazar
Department of Tumor Biology, Institute of Oncology, Zaloska 2, SI 1000, Ljubljana, Slovenia
Br J Cancer 84:565-70. 2001..Further studies are necessary to identify the determinants of endothelial response and its relationship to the anti-vascular action of electrochemotherapy in vivo...
Reduced tumor oxygenation by treatment with vinblastineG Sersa
Department of Tumor Biology, Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Cancer Res 61:4266-71. 2001....
Tumor blood flow modifying effect of electrochemotherapy with bleomycinG Sersa
Institute of Oncology Ljubljana, Department of Tumor Biology, Slovenia
Anticancer Res 19:4017-22. 1999..The aim of this study was to determine the tumor blood flow modifying effect of electrochemotherapy with bleomycin and correlate it with its antitumor effectiveness and extent of tumor necrosis...
Electrochemotherapy with cisplatin: the systemic antitumour effectiveness of cisplatin can be potentiated locally by the application of electric pulses in the treatment of malignant melanoma skin metastasesG Sersa
Institute of Oncology, Ljubljana, Slovenia
Melanoma Res 10:381-5. 2000..Therefore, electrochemotherapy may be used as an adjunct to systemic ongoing cisplatin treatment, predominantly in patients in whom antitumour effectiveness needs to be potentiated locally...
Improvement of combined modality therapy with cisplatin and radiation using electroporation of tumorsG Sersa
Department of Tumor Biology, Institute of Oncology, Ljubljana, Slovenia
Int J Radiat Oncol Biol Phys 46:1037-41. 2000..To evaluate whether a local drug delivery method, i.e., electroporation of tumors, increases the radiosensitizing effect of cisplatin...
MicroRNAs targeting mutant K-ras by electrotransfer inhibit human colorectal adenocarcinoma cell growth in vitro and in vivoS Vidic
Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
Cancer Gene Ther 17:409-19. 2010..The obtained results demonstrate that electrogene therapy with miRNA-K-ras molecules can be potential therapeutic strategy for treatment of colorectal cancers harboring K-ras mutations...
Increased platinum accumulation in SA-1 tumour cells after in vivo electrochemotherapy with cisplatinM Cemazar
Institute of Oncology, Ljubljana, Slovenia
Br J Cancer 79:1386-91. 1999..In addition, besides electroporation, immune system and tumour blood flow changes could be involved in the observed anti-tumour effectiveness of electrochemotherapy...
Electrochemotherapy: potentiation of local antitumour effectiveness of cisplatin in dogs and catsN Tozon
University of Ljubljana, Veterinary Faculty, Small Animal Clinic, Slovenia
Anticancer Res 21:2483-8. 2001..046). This study showed that electrochemotherapy with cisplatin is an effective, safe and simple local treatment of different histological types of cutaneous and subcutaneous tumours in cats and dogs...
Muscle gene electrotransfer is increased by the antioxidant tempol in miceB Markelc
Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
Gene Ther 19:312-20. 2012..4-fold by tempol. The study indicates that ROS are generated on cells during EP and can be scavenged by antioxidants. Specifically, tempol can be used to improve gene electrotransfer into the muscle and possibly also to other tissues...
Tumour blood flow changes induced by application of electric pulsesG Sersa
Department of Tumour Biology, Institute of Oncology, Ljubljana, Slovenia
Eur J Cancer 35:672-7. 1999..Tumour blood flow reduction by electric pulses could have potential in exploiting modalities mediated by tumour hypoxia, e.g. activation of bioreductive agents...
EPR oximetry of tumors in vivo in cancer therapyMarjeta Sentjurc
Jozef Stefan Institute, Jamova 39, SI 1000 Ljubljana, Slovenia
Spectrochim Acta A Mol Biomol Spectrosc 60:1379-85. 2004....
Vascular disrupting action of electroporation and electrochemotherapy with bleomycin in murine sarcomaG Sersa
Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Br J Cancer 98:388-98. 2008....
Electrochemotherapy of mouse sarcoma tumors using electric pulse trains with repetition frequencies of 1 Hz and 5 kHzG Sersa
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska c 2, 1000, Ljubljana, Slovenia
J Membr Biol 236:155-62. 2010..These differences are observed at suboptimal drug doses, whereas at optimal drug doses of bleomycin or cisplatin the antitumor effectiveness is the same, as demonstrated in clinical trials...
Mechanisms associated with tumor vascular shut-down induced by combretastatin A-4 phosphate: intravital microscopy and measurement of vascular permeabilityG M Tozer
Gray Cancer Institute, Mount Vernon Hospital, Northwood, Middlesex, HA6 2JR, United Kingdom
Cancer Res 61:6413-22. 2001..These results suggest a mechanism of action of CA-4-P in vivo. Combination of CA-4-P with a NOS inhibitor has an additive effect, which it may be possible to exploit therapeutically...
Efficient electrotransfection into canine muscleD Pavlin
University of Ljubljana, Veterinary Faculty Ljubljana, Gerbiceva 60, SI 1000 Ljubljana, Slovenia
Technol Cancer Res Treat 7:45-54. 2008..The results indicate that electrotransfection is a feasible, effective, and safe method for muscle targeted gene therapy in dogs, which could have potential for clinical applications in veterinary medicine of small animals...
Local and systemic antitumor effect of intratumoral and peritumoral IL-12 electrogene therapy on murine sarcomaDarja Pavlin
University of Ljubljana, Veterinary Faculty Ljubljana, Ljubljana, Slovenia
Cancer Biol Ther 8:2114-22. 2009..These data suggest that IL-12 EGT may be useful in the treatment of soft tissue sarcomas, exerting a local and systemic antitumor effect...
Electrochemotherapy: a new technological approach in treatment of metastases in the liverI Edhemovic
Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Technol Cancer Res Treat 10:475-85. 2011....
Controlled systemic release of interleukin-12 after gene electrotransfer to muscle for cancer gene therapy alone or in combination with ionizing radiation in murine sarcomasGregor Tevz
Institute of Oncology Ljubljana, Department of Experimental Oncology, Ljubljana, Slovenia
J Gene Med 11:1125-37. 2009..To avoid toxic side-effects of IL-12 gene therapy, the objective was to achieve the controlled release of IL-12 after intramuscular gene electrotransfer...
Electrogene therapy with p53 of murine sarcomas alone or combined with electrochemotherapy using cisplatinAlenka Grosel
Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
DNA Cell Biol 25:674-83. 2006..The combination of electrogene therapy and electrochemotherapy after only one application resulted in complete regression of tumors...
Electrochemotherapy in treatment of tumoursG Sersa
Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Eur J Surg Oncol 34:232-40. 2008....
Electrochemotherapy in veterinary oncologyM Cemazar
Institute of Oncology Ljubljana, University of Ljubljana, Ljubljana, Slovenia the Ecole Vétérinaire de Toulouse, Toulouse, France
J Vet Intern Med 22:826-31. 2008....
Determination of platinum in tumour tissues after cisplatin therapy by electrothermal atomic absorption spectrometryR Milacic
Jozef Stefan Institute, Ljubljana, Slovenia
J Pharm Biomed Anal 16:343-8. 1997..In 72% of samples analysed the differences between results obtained by the two calibration procedures did not exceed +/- 5%...
Reduced blood flow and oxygenation in SA-1 tumours after electrochemotherapy with cisplatinG Sersa
Laboratory of Radiation Biology, Institute of Oncology Ljubljana, Zaloska 2, SI 1000 Ljubljana, Slovenia
Br J Cancer 87:1047-54. 2002....
Gene electrotransfer into murine skeletal muscle: a systematic analysis of parameters for long-term gene expressionGregor Tevz
Institute of Oncology Ljubljana, Department of Experimental Oncology, Zaloska 2, Ljubljana, Slovenia
Technol Cancer Res Treat 7:91-101. 2008..Therefore, transgene expression in muscle can be controlled by appropriate selection of electrotransfection protocol...
Electrochemotherapy of solid tumors--preclinical and clinical experienceG Sersa
Institute of Oncology Ljubljana, Ljubljana, Slovenia
Conf Proc IEEE Eng Med Biol Soc 2011:728-31. 2011..With long needle electrodes and new electric pulse generators, clinical trials are on-going for treatment of liver metastases, bone metastases and soft tissue sarcomas...
Electrochemotherapy with bleomycin in the treatment of hypernephroma metastasis: case report and literature reviewG Sersa
Institute of Oncology, Ljubljana, Slovenia
Tumori 86:163-5. 2000..This treatment resulted in stabilization of the tumor volume for 12 months, whereas the subcutaneous metastasis next to the electrochemotherapy-treated one that did not receive electric pulses progressed immediately...
Electrochemotherapy with cisplatin: clinical experience in malignant melanoma patientsG Sersa
Institute of Oncology and Faculty of Electrical Engineering, University of Ljubljana, Slovenia
Clin Cancer Res 6:863-7. 2000..The advantages of this therapy include its simplicity, the short duration of treatment sessions, low cisplatin doses, and insignificant side effects, as well as the fact that it can be done on an outpatient basis...
Melanoma metastases to the neck nodes: role of adjuvant irradiationPrimoz Strojan
Department of Radiation Oncology, Institute of Oncology, Ljubljana, Slovenia
Int J Radiat Oncol Biol Phys 77:1039-45. 2010..To review experiences in the treatment of regionally advanced melanoma to the neck and/or parotid with emphasis on the role of adjuvant radiotherapy...
Electroporation of LPB sarcoma cells in vitro and tumors in vivo increases the radiosensitizing effect of cisplatinSimona Kranjc
Institute of Oncology, Laboratory of Radiation Biology, Zaloska 2, SI-1000 Ljubljana, Slovenia
Anticancer Res 23:275-81. 2003....
Electrochemotherapy compared to surgery for treatment of canine mast cell tumoursVeronika Kodre
Janssen Cilag, Division of Johnson Johnson, Ljubljana, Slovenia
In Vivo 23:55-62. 2009..The aim of this study was to evaluate the effectiveness of local treatment electrochemotherapy (ECT) with cisplatin and to compare it with effectiveness of surgery for treatment of mast cell tumours (MCT) in dogs...
Effective treatment of perianal tumors in dogs with electrochemotherapyNatasa Tozon
University of Ljubljana, Veterinary Faculty, Small Animal Clinic, Cesta v Mestni log 47, SI 1000 Ljubljana, Slovenia
Anticancer Res 25:839-45. 2005..The aim of the present study was to evaluate the electrochemotherapy treatment of perianal tumors of different sizes in dogs...
The effect of high frequency electric pulses on muscle contractions and antitumor efficiency in vivo for a potential use in clinical electrochemotherapyDamijan Miklavcic
University of Ljubljana, Faculty of Electrical Engineering, Trzaska 25, SI 1000 Ljubljana, Slovenia
Bioelectrochemistry 65:121-8. 2005..These results suggest that there is a considerable potential for clinical use of high frequency pulses in electrochemotherapy...
Electrochemotherapy with cisplatin of cutaneous tumor lesions in breast cancerMartina Rebersek
Department of Medical Oncology, Institute of Oncology, Ljubljana, Slovenia
Anticancer Drugs 15:593-7. 2004..We conclude that electrochemotherapy with i.t. cisplatin application is effective in local treatment of cutaneous tumor lesions of breast cancer...
Antitumour effectiveness of hyperthermia is potentiated by local application of electric pulses to LPB tumours in miceKatarina Barbara Karner
Institute of Oncology, Zaloska 2, SI-1000 Ljubljana, Slovenia
Anticancer Res 24:2343-8. 2004....
Radiosensitizing effect of electrochemotherapy in a fractionated radiation regimen in radiosensitive murine sarcoma and radioresistant adenocarcinoma tumor modelSimona Kranjc
Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana, Slovenia
Radiat Res 172:677-85. 2009....
The influence of electroporation on cytotoxicity of anticancer ruthenium(III) complex KP1339 in vitro and in vivoRosana Hudej
Faculty of Chemistry and Chemical Technology, University of Ljubljana, SI 1000 Ljubljana, Slovenia
Anticancer Res 30:2055-63. 2010..The observed antitumour effectiveness is the result of both the direct cytotoxicity of KP1339 and an antivascular effect of electroporation...
Successful sphincter-saving treatment of anorectal malignant melanoma with electrochemotherapy, local excision and adjuvant brachytherapyMarko Snoj
Institute of Oncology Ljubljana, Ljubljana, Slovenia
Anticancer Drugs 16:345-8. 2005..Brachytherapy was postoperatively delivered to the excision site. Fourteen months after the beginning of treatment, the patient is without signs of local recurrence and is continent...
The endothelin B (ETB) receptor agonist IRL 1620 is highly vasoconstrictive in two syngeneic rat tumour lines: potential for selective tumour blood flow modificationM Cemazar
Gray Cancer Institute, Mount Vernon Hospital, PO Box 100, Northwood, Middlesex HA6 2JR, UK
Br J Cancer 93:98-106. 2005..Expression levels of ET(B) receptors on the tumour vasculature could be useful for predicting which tumours are likely to respond to IRL 1620...
Inoperable oropharyngeal carcinoma treated with concomitant irradiation, mitomycin C and bleomycin - long term resultsM Budihna
Institute of Oncology, University Department of Otorhinolaryngology and Cervicofacial Surgery, Institute of Oncology, 1105 Ljubljana, Slovenia
Neoplasma 52:165-74. 2005..86. The outcome of the disease was directly proportional to intensity of irradiation and chemotherapy. It appears that in our concomitant radiochemotherapy MiC increased radioresponsiveness of the tumor by its effect on hypoxic fraction...
Increased cellular uptake of biocompatible superparamagnetic iron oxide nanoparticles into malignant cells by an external magnetic fieldSara Prijic
Kolektor Group, Nanotesla Institute, Stegne 29, 1521, Ljubljana, Slovenia
J Membr Biol 236:167-79. 2010..Their cellular uptake was dependent on the cell type, and their accumulation within the cells was dependent on the duration of exposure to an external magnetic field...
Limb sparing treatment of bleeding melanoma recurrence by electrochemotherapyMarko Snoj
Institute of Oncology Ljubljana, Zaloska 2, Ljubljana, Slovenia
Tumori 95:398-402. 2009..In addition, it was also found to have a vascular-disrupting effect. We report a case of limb-sparing treatment of bleeding melanoma recurrence by electrochemotherapy..
Effective treatment of multiple unresectable skin melanoma metastases by electrochemotherapyMarko Snoj
Institute of Oncology Ljubljana, Ljubljana, Slovenia
Croat Med J 48:391-5. 2007..Electrochemotherapy with intravenous bleomycin can also be used as a treatment of choice for local control of multiple unresectable cutaneous melanoma skin metastases...
Pt(II) complexes with N-(3-pyridyl)-2-(4-(trifluoromethyl)phenyl)diazenecarboxamide and their reactions with glutathioneSabina Grabner
Faculty of Chemistry and Chemical Technology, University of Ljubljana, Askerceva 5, 1000 Ljubljana, Slovenia
J Inorg Biochem 95:105-12. 2003..Complexes [PtCl(dmso)(en)]Cl, 1, 2 and ligand L were tested against T24 bladder carcinoma cells. Ligand L and complexes 1 and 2 showed higher cytotoxicity than [PtCl(dmso)(en)]Cl...
Crystal structures and cytotoxicity of isopropylamine Pt(II) complexes: a trinuclear squarato-bridged [Pt3(mu2-C4O4)3(H2NPri)6].3H2O and a mononuclear cis-[Pt(NO3)2(H2NPri)2]Sabina Grabner
Faculty of Chemistry and Chemical Technology, Department of Chemistry, University of Ljubljana, Slovenia
J Inorg Biochem 99:1465-71. 2005....
In vivo imaging of tumor growth after electrochemotherapy with cisplatinMaja Cemazar
IPBS CNRS UMR 5089, Toulouse, France
Biochem Biophys Res Commun 348:997-1002. 2006..Ex vivo observations under a fluorescence microscope showed that eGFP was only detected on the outer layer of the tumor. No fluorescence was detected in the central part of the tumors, which were necrotic...
Perturbation of blood flow as a mechanism of anti-tumour action of direct current electrotherapyTomaz Jarm
Faculty of Electrical Engineering, University of Ljubljana, Trzaska 25, SI-1000 Ljubljana, Slovenia
Physiol Meas 24:75-90. 2003..The non-invasive technique of near-infrared spectroscopy proved to be a reliable method for detecting perfusion and oxygenation changes in small solid tumours...
The endothelial cytoskeleton as a target of electroporation-based therapiesChryso Kanthou
Cancer Research UK Tumour Microcirculation Group, Academic Unit of Surgical Oncology, Royal Hallamshire Hospital, University of Sheffield, UK
Mol Cancer Ther 5:3145-52. 2006....
