scholarly journals DD-03 * THE NATURALLY OCCURRING STEROID, WITHAFERIN A, IN SYNERGISTIC CONCERT WITH HER2/EGFR INHIBITORS ABROGATES PROLIFERATION OF HUMAN GLIOBLASTOMA CELL CULTURES AT NANOMOLAR CONCENTRATIONS

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Robert J. Maciunas ◽  
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Christopher L. Sneed ◽  
Deborah J. Hefner ◽  
Patricia A. Commers ◽  
...  

Neurosurgery ◽  
1993 ◽  
Vol 33 (3) ◽  
pp. 485-488 ◽  
Author(s):  
Robert J. Maciunas ◽  
Robert A. Mericle ◽  
Christopher L. Sneed ◽  
Deborah J. Hefner ◽  
Patricia A. Commers ◽  
...  

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Vol 60 (1) ◽  
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L. N. Kiseleva ◽  
◽  
A. V. Kartashev ◽  
N. L. Vartanyan ◽  
A. A. Pinevich ◽  
...  

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Shih-Jung Liu ◽  
Wei-Lun Lo ◽  
Shu-Mei Chen ◽  
Ya-Ling Tang ◽  
...  

Glioblastoma multiforme (GBM) has remained one of the most lethal and challenging cancers to treat. Previous studies have shown encouraging results when irinotecan was used in combination with temozolomide (TMZ) for treating GBM. However, irinotecan has a narrow therapeutic index: a slight dose increase in irinotecan can induce toxicities that outweigh its therapeutic benefits. SN-38 is the active metabolite of irinotecan that accounts for both its anti-tumor efficacy and toxicity. In our previous paper, we showed that SN-38 embedded into 50:50 biodegradable poly[(d,l)-lactide-co-glycolide] (PLGA) microparticles (SMPs) provides an efficient delivery and sustained release of SN-38 from SMPs in the brain tissues of rats. These properties of SMPs give them potential for therapeutic application due to their high efficacy and low toxicity. In this study, we tested the anti-tumor activity of SMP-based interstitial chemotherapy combined with TMZ using TMZ-resistant human glioblastoma cell line-derived xenograft models. Our data suggest that treatment in which SMPs are combined with TMZ reduces tumor growth and extends survival in mice bearing xenograft tumors derived from both TMZ-resistant and TMZ-sensitive human glioblastoma cell lines. Our findings demonstrate that combining SMPs with TMZ may have potential as a promising strategy for the treatment of GBM.


2008 ◽  
Vol 7 (3) ◽  
pp. 364-373 ◽  
Author(s):  
Cholpon S. Djuzenova ◽  
Teresa Güttler ◽  
Sabrina Berger ◽  
Astrid Katzer ◽  
Michael Flentje

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