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10.1111/j.1349-7006.1998.tb00533.x http://scihub22266oqcxt.onion/10.1111/j.1349-7006.1998.tb00533.x C5921728!5921728 !10081497     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=10081497 &cmd=llinks): Failed to open stream: HTTP request failed! 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Effect of electroporation on cell killing by boron neutron capture therapy using borocaptate sodium (10B-BSH) |pdf=|usr=}}{{10081497 }} gab.com Text Effect of electroporation on cell killing by boron neutron capture therapy using borocaptate sodium (10B-BSH) JO: Jpn J Cancer Res http://www.kidney.de/pget.php?&tw=1&pmid=10081497 #FOAvip The cell membrane permeability of 10B-enriched borocaptate sodium (BSH) and the extent to which BSH is accumulated in cells are controversial. To elucidate these points and to enhance the accumulation of BSH in cells, the effect of electroporation on boron neutron capture therapy (BNCT) using BSH was investigated. The first group of SCCVII tumor cells was incubated in culture medium with 10B-BSH or 10B-enriched boric acid, and exposed to neutrons from the heavy water facility of the Kyoto University Reactor. More than 99% of neutrons were thermal neutrons at flux base. The second group was pretreated with electroporation in combination with 10B-BSH, and thereafter the cells were irradiated with neutrons. The cell-killing effect of BNCT was measured by colony formation assay. The surviving cell fraction decreased exponentially with neutron fluence, and addition of BSH significantly enhanced the cell-killing effect of NCT depending on 10B concentration and the preincubation time of cells in the BSH-containing culture medium. The electroporation of cells with BSH markedly enhanced the BNCT effect in comparison with that obtained with preincubation alone. The effect of BSH-BNCT with electroporation was almost equal to that of BNCT using 10B-boric acid at the same 10B concentration. The effect of BNCT on cells pretreated with BSH and electroporation was not reduced by repeated washing of the cells before neutron irradiation. Decrease of the effect of BSH-BNCT plus electroporation with increase in the waiting time between the electroporation and the neutron irradiation could be explained in terms of the extent of cell growth during that time. These data suggest that BSH penetrates the cells slowly and remains after washing. Electroporation can introduce BSH into the cells very efficiently, and BSH thus introduced stays in the cells and is not lost in spite of the intensive washing of the cells. Therefore, if electroporation is applied to tumors after BSH injection, 10B would remain in the tumors but be cleared from normal tissues, and selective accumulation of 10B in tumors will be achieved after an appropriate waiting time. Twit Text FOAVip Effect of electroporation on cell killing by boron neutron capture therapy using borocaptate sodium (10B-BSH) ????Jpn J Cancer Res http://www.kidney.de/pget.php?&tw=1&pmid=10081497 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=10081497 #FOAvip English Wikipedia <ref>{{Cite pmid|10081497 }}</ref> Effect of electroporation on cell killing by boron neutron capture therapy using borocaptate sodium (10B-BSH) #MMPMID10081497 Ono K ; Kinashi Y ; Masunaga S ; Suzuki M ; Takagaki M Jpn J Cancer Res 1998[Dec]; 89 (12 ): 1352-7 PMID10081497 show ga The cell membrane permeability of 10B-enriched borocaptate sodium (BSH) and the extent to which BSH is accumulated in cells are controversial. To elucidate these points and to enhance the accumulation of BSH in cells, the effect of electroporation on boron neutron capture therapy (BNCT) using BSH was investigated. The first group of SCCVII tumor cells was incubated in culture medium with 10B-BSH or 10B-enriched boric acid, and exposed to neutrons from the heavy water facility of the Kyoto University Reactor. More than 99% of neutrons were thermal neutrons at flux base. The second group was pretreated with electroporation in combination with 10B-BSH, and thereafter the cells were irradiated with neutrons. The cell-killing effect of BNCT was measured by colony formation assay. The surviving cell fraction decreased exponentially with neutron fluence, and addition of BSH significantly enhanced the cell-killing effect of NCT depending on 10B concentration and the preincubation time of cells in the BSH-containing culture medium. The electroporation of cells with BSH markedly enhanced the BNCT effect in comparison with that obtained with preincubation alone. The effect of BSH-BNCT with electroporation was almost equal to that of BNCT using 10B-boric acid at the same 10B concentration. The effect of BNCT on cells pretreated with BSH and electroporation was not reduced by repeated washing of the cells before neutron irradiation. Decrease of the effect of BSH-BNCT plus electroporation with increase in the waiting time between the electroporation and the neutron irradiation could be explained in terms of the extent of cell growth during that time. These data suggest that BSH penetrates the cells slowly and remains after washing. Electroporation can introduce BSH into the cells very efficiently, and BSH thus introduced stays in the cells and is not lost in spite of the intensive washing of the cells. Therefore, if electroporation is applied to tumors after BSH injection, 10B would remain in the tumors but be cleared from normal tissues, and selective accumulation of 10B in tumors will be achieved after an appropriate waiting time. |*Boron Neutron Capture Therapy [MESH] |*Electroporation [MESH] |Animals [MESH] |Borohydrides/*administration & dosage/pharmacokinetics/pharmacology [MESH] |Carcinoma, Squamous Cell/*pathology/therapy [MESH] |Cell Membrane Permeability [MESH] |Mice [MESH] |Radiation Tolerance [MESH] |Sulfhydryl Compounds/*administration & dosage/pharmacokinetics/pharmacology [MESH] |Time Factors [MESH] |Tumor Cells, Cultured/drug effects [MESH]Effect of electroporation on cell killing by boron neutron capture the(epmc).pdf DeepDyve Pubget Overpricing