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Roux A, Aboubakr O, Elia A, Moiraghi A, Benevello C, Fathallah H, Parraga E, Oppenheim C, Chretien F, Dezamis E, Zanello M, Pallud J. Carmustine wafer implantation for supratentorial glioblastomas, IDH-wildtype in "extreme" neurosurgical conditions. Neurosurg Rev 2023; 46:140. [PMID: 37329341 DOI: 10.1007/s10143-023-02052-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/15/2023] [Accepted: 06/10/2023] [Indexed: 06/19/2023]
Abstract
We assessed the feasibility of Carmustine wafer implantation in "extreme" conditions (i.e. patients > 80 years and Karnofsky Performance Status score < 50) and of implantation ≥ 12 Carmustine wafers in adult patients harbouring a newly diagnosed supratentorial glioblastoma, IDH-wildtype. We performed an observational, retrospective single-centre cohort study at a tertiary surgical neuro-oncological centre between January 2006 and December 2021. Four hundred eighty patients who benefited from a surgical resection at first-line treatment were included. We showed that Carmustine wafer implantation in patients > 80 years, in patients with a Karnofsky performance status score < 50, and that implantation ≥ 12 Carmustine wafers (1) did not increase overall postoperative complication rates, (2) did not affect the completion of standard radiochemotherapy protocol, (3) did not worsen the postoperative Karnofsky Performance Status scores, and (4) did not significantly affect the time to oncological treatment. We showed that the implantation of ≥ 12 Carmustine wafers improved progression-free survival (31.0 versus 10.0 months, p = 0.025) and overall survival (39.0 versus 16.5 months, p = 0.041) without increasing postoperative complication rates. Carmustine wafer implantation during the surgical resection of a newly diagnosed supratentorial glioblastoma, IDH-wildtype is safe and efficient in patients > 80 years and in patients with preoperative Karnofsky Performance Status score < 50. The number of Carmustine wafers should be adapted (up to 16 in our experience) to the resection cavity to improve survival without increasing postoperative overall complication rates.
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Affiliation(s)
- Alexandre Roux
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France.
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France.
| | - Oumaima Aboubakr
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
| | - Angela Elia
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
| | - Alessandro Moiraghi
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
| | - Chiara Benevello
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
| | - Houssem Fathallah
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
| | - Eduardo Parraga
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
| | - Catherine Oppenheim
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
- Service de Neuroradiologie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
| | - Fabrice Chretien
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
- Service de Neuropathologie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
| | - Edouard Dezamis
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
| | - Marc Zanello
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
| | - Johan Pallud
- Service de Neurochirurgie, GHU Paris Psychiatrie Et Neurosciences, Site Sainte Anne, 75014, Paris, France
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, 75014, Paris, France
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Jimenez-Macias J, Lee YC, Miller E, Finkelberg T, Zdioruk M, Berger G, Farquhar C, Nowicki M, Cho CF, Fedeles B, Loas A, Pentelute B, Lawler SE. A Pt(IV)-conjugated brain penetrant macrocyclic peptide shows pre-clinical efficacy in glioblastoma. J Control Release 2022; 352:623-636. [PMID: 36349615 PMCID: PMC9881056 DOI: 10.1016/j.jconrel.2022.10.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 09/29/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
Abstract
Glioblastoma (GBM) is the most aggressive primary malignant brain tumor, with a median survival of approximately 15 months. Treatment is limited by the blood-brain barrier (BBB) which restricts the passage of most drugs to the brain. We previously reported the design and synthesis of a BBB-penetrant macrocyclic cell-penetrating peptide conjugate (M13) covalently linked at the axial position of a Pt(IV) cisplatin prodrug. Here we show the Pt(IV)-M13 conjugate releases active cisplatin upon intracellular reduction and effects potent in vitro GBM cell killing. Pt(IV)-M13 significantly increased platinum uptake in an in vitro BBB spheroid model and intravenous administration of Pt(IV)-M13 in GBM tumor-bearing mice led to higher platinum levels in brain tissue and intratumorally compared with cisplatin. Pt(IV)-M13 administration was tolerated in naïve nude mice at higher dosage regimes than cisplatin and significantly extended survival above controls in a murine GBM xenograft model (median survival 33 days for Pt(IV)-M13 vs 24 days for Pt(IV) prodrug, 22.5 days for cisplatin and 22 days for control). Increased numbers of γH2AX nuclear foci, biomarkers of DNA damage, were observed in tumors of Pt(IV)-M13-treated mice, consistent with elevated platinum levels. The present work provides the first demonstration that systemic injection of a Pt(IV) complex conjugated to a brain-penetrant macrocyclic peptide can lead to increased platinum levels in the brain and extend survival in mouse GBM models, supporting further development of this approach and the utility of brain-penetrating macrocyclic peptide conjugates for delivering non-BBB penetrant drugs to the central nervous system.
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Affiliation(s)
- J.L. Jimenez-Macias
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA,Department of Pathology and Laboratory Medicine, Legorreta Cancer Center, Brown University, Providence, RI 02903, USA,Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Y.-C. Lee
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - E. Miller
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - T. Finkelberg
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - M. Zdioruk
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - G. Berger
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA,Microbiology, Bioorganic and Macromolecular Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Brussels 1050, Belgium
| | - C.E. Farquhar
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - M.O. Nowicki
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - C.-F. Cho
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA,Program in Neuroscience, Harvard Medical School, Boston, MA 02115, USA,Harvard Stem Cell Institute, Harvard University, Boston, MA 02115, USA,Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, MA 02142, USA
| | - B.I. Fedeles
- Center for Environmental Health Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - A. Loas
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - B.L. Pentelute
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA,Center for Environmental Health Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA,The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 500 Main Street, Cambridge, MA 02142, USA,Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, MA 02142, USA,Correspondence to: B.L. Pentelute, Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. (B.L. Pentelute)
| | - S. E. Lawler
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA,Department of Pathology and Laboratory Medicine, Legorreta Cancer Center, Brown University, Providence, RI 02903, USA,Correspondence to: S.E. Lawler, Department of Pathology and Laboratory Medicine, Legorreta Cancer Center, Brown University, Providence, RI 02903, USA. (S.E. Lawler)
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Siddique R, Abideen SA, Nabi G, Awan FM, Noor Khan S, Ullah F, Khan S, Xue M. Fibroblast growth factor 2 is a druggable target against glioblastoma: A computational investigation. Front Chem 2022; 10:1071929. [PMID: 36505741 PMCID: PMC9732544 DOI: 10.3389/fchem.2022.1071929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 11/08/2022] [Indexed: 11/26/2022] Open
Abstract
Fibroblast growth factor 2 (FGF2) is a key player in cancer and tissue homeostasis and regulates renewal of several stem cell types. The FGF2 role in malignant glioma is proven and tagged FGF2, a novel druggable target, is used for developing potent drugs against glioblastoma. In this study, Asinex 51412372, Asinex 51217461, and Asinex 51216586 were filtered to show the best binding affinity for FGF2 with binding energy scores of -8.3 kcal/mol, -8.2 kcal/mol, and -7.8 kcal/mol, respectively. The compounds showed chemical interactions with several vital residues of FGF2 along the compound length. The noticeable residues that interacted with the compounds were Arg15, Asp23, Arg63, and Gln105. In dynamic investigation in solution, the FGF2 reported unstable dynamics in the first 100 ns and gained structural equilibrium in the second phase of 100 ns. The maximum root mean square deviation (RMSD) value touched by the systems is 3 Å. Similarly, the residue flexibility of FGF2 in the presence of compounds was within a stable range and is compact along the simulation time length. The compounds showed robust atomic-level stable energies with FGF2, which are dominated by both van der Waals and electrostatic interactions. The net binding energy of systems varies between -40 kcal/mol and -86 kcal/mol, suggesting the formation of strong intermolecular docked complexes. The drug-likeness and pharmacokinetic properties also pointed toward good structures that are not toxic, have high gastric absorption, showed good distribution, and readily excreted from the body. In summary, the predicted compounds in this study might be ideal hits that might be further optimized for structure and activity during experimental studies.
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Affiliation(s)
- Rabeea Siddique
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou Uiversity, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Syed Ainul Abideen
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Ghulam Nabi
- Institute of Nature Conservation, Polish Academy of Sciences, KraKow, Poland
| | - Faryal Mehwish Awan
- Department of Medial Lab Technology, The University of Haripur, Haripur, Pakistan
| | - Sadiq Noor Khan
- Department of Medial Lab Technology, The University of Haripur, Haripur, Pakistan
| | - Fawad Ullah
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China,Centre of Biotechnology and Microbiology, University of Peshawar, Haripur, Pakistan
| | - Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou Uiversity, Zhengzhou, China,School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China,Department of Medial Lab Technology, The University of Haripur, Haripur, Pakistan,*Correspondence: Suliman Khan, , ; Mengzhou Xue,
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou Uiversity, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China,*Correspondence: Suliman Khan, , ; Mengzhou Xue,
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Preclinical models of glioblastoma: limitations of current models and the promise of new developments. Expert Rev Mol Med 2021; 23:e20. [PMID: 34852856 DOI: 10.1017/erm.2021.20] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Glioblastoma (GBM) is the most common and aggressive primary brain tumour, yet little progress has been made towards providing better treatment options for patients diagnosed with this devastating condition over the last few decades. The complex nature of the disease, heterogeneity, highly invasive potential of GBM tumours and until recently, reduced investment in research funding compared with other cancer types, are contributing factors to few advancements in disease management. Survival rates remain low with less than 5% of patients surviving 5 years. Another important contributing factor is the use of preclinical models that fail to fully recapitulate GBM pathophysiology, preventing efficient translation from the lab into successful therapies in the clinic. This review critically evaluates current preclinical GBM models, highlighting advantages and disadvantages of using such models, and outlines several emerging techniques in GBM modelling using animal-free approaches. These novel approaches to a highly complex disease such as GBM show evidence of a more truthful recapitulation of GBM pathobiology with high reproducibility. The resulting advancements in this field will offer new biological insights into GBM and its aetiology with potential to contribute towards the development of much needed improved treatments for GBM in future.
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Hwang K, Lee JH, Kim SH, Go KO, Ji SY, Han JH, Kim CY. The Combination PARP Inhibitor Olaparib With Temozolomide in an Experimental Glioblastoma Model. In Vivo 2021; 35:2015-2023. [PMID: 34182476 DOI: 10.21873/invivo.12470] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/17/2021] [Accepted: 05/04/2021] [Indexed: 01/22/2023]
Abstract
BACKGROUND/AIM Poly (ADP-ribose) polymerase (PARP) inhibition could enhance the efficacy of temozolomide and prolong survival in patients with glioblastoma. The aim of this study was to evaluate the combination of the PARP inhibitor olaparib with temozolomide in the treatment of glioblastoma. MATERIALS AND METHODS The in vitro and in vivo antitumor effects of the PARP inhibitor olaparib together with temozolomide were evaluated. The in vitro experimental glioblastoma model involved O6-methylguanine methyltransferase (MGMT) promoter-methylated (U87MG, U251MG) and MGMT promoter-unmethylated (T98G) glioblastoma cell lines using In this model cell viability and apoptosis were assessed. For the in vivo studies, nude mice bearing orthotopically xenografted glioblastoma cell lines (U87MG) were randomized to four experimental groups: i) the untreated, ii) temozolomide alone, iii) olaparib alone and iv) olaparib and temozolomide combination groups. Mice were treated daily for 4 weeks and monitored for tumor growth and survival. RESULTS In vitro we found that the combination of olaparib with temozolomide enhanced temozolomide-induced cytotoxicity in all glioblastoma cell lines regardless of the status of MGMT promoter methylation. In vivo, mice treated with temozolomide alone or in combination with olaparib showed greater survival than those untreated or with the olaparib monotherapy, as well as significantly decreased tumor volume. There was no significant difference in survival and tumor volume between temozolomide alone and the combination treatment. CONCLUSION The combination of the PARP inhibitor olaparib with temozolomide could be promising candidates for combination therapy of glioblastoma regardless of the MGMT promoter methylation status.
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Affiliation(s)
- Kihwan Hwang
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Jin-Han Lee
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sang Ho Kim
- School of Medicine, The University of Auckland, Auckland, New Zealand
| | - Kyeong-O Go
- Department of Neurosurgery, Gyeongsang National University Hospital, Gyengsangnam-do, Republic of Korea
| | - So Young Ji
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Jung Ho Han
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Chae-Yong Kim
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea; .,Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea
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Kim DS. Cancer stem cell plasticity in glioblastoma multiforme: a perspective on future directions in oncolytic virotherapy. Future Oncol 2020; 16:2251-2264. [PMID: 32744059 DOI: 10.2217/fon-2019-0606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The cancer stem cell (CSC) hypothesis suggests that a rare population of stem-like cells underpin tumorigenesis. Oncolytic viruses (OVs) demonstrate novel mechanisms of targeting the elusive CSCs with greater selectivity - promising therapeutic potential against solid tumors such as glioblastoma (GBM) that are resistant to conventional treatment. In general, OVs have failed to translate the efficacy from bench to bedside. The success of OVs rely on the hypothesis that eliminating CSCs is key to preventing recurrence. However, newly emerging evidence of CSC plasticity challenge this hypothesis by proposing that the CSC pool can be regenerated from non-CSCs post-treatment. We review this evidence surrounding the CSC hypothesis to propose an original perspective on why several advanced OVs may be failing to reflect their true potential in clinical trials. We argue that preventing non-CSC to CSC dedifferentiation may be critical to achieving long-term treatment efficacy in future OV clinical trials.
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Affiliation(s)
- David S Kim
- Medical Sciences Division, John Radcliffe Hospital, University of Oxford, Oxford OX1 1DP, United Kingdom
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Zhang M, Zhao Y, Zhao J, Huang T, Wu Y. Impact of AKAP6 polymorphisms on Glioma susceptibility and prognosis. BMC Neurol 2019; 19:296. [PMID: 31759389 PMCID: PMC6875069 DOI: 10.1186/s12883-019-1504-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 10/20/2019] [Indexed: 12/20/2022] Open
Abstract
PURPOSE Glioma is the most common primary malignant brain tumor with high mortality and poor prognosis. Our aim was to clarify the correlation between Kinase-anchored protein 6 (AKAP6) gene polymorphisms and glioma susceptibility and prognosis in Chinese Han population. METHODS Five single-nucleotide polymorphisms (SNPs) of AKAP6 were genotyped by Agena MassARRAY in 575 glioma patients and 500 healthy controls. Logistic regression model was utilized to calculate odds ratios (OR) and 95% confidence intervals (CI). The associations between polymorphisms and survival were assessed using the log-rank test, Kaplan-Meier analysis and Cox regression model. RESULTS We found that rs2239647 polymorphism was strongly associated with an increased risk of glioma (OR = 1.90, p = 0.007) and a worse prognosis for glioma, especially in high-grade glioma (HR = 1.67, p = 0.034). Stratified analysis showed that rs2239647 increased the risk of glioma in female (OR = 1.62, p = 0.016). Whereas, rs4261436 (HR = 0.70, p = 0.045) and rs17522122 (HR = 0.75, p = 0.016) were associated with better prognosis of astrocytoma. In addition, we also found that surgical methods and chemotherapy are critical factors for the prognosis of glioma patients. CONCLUSIONS This study firstly provided evidence for the impact of AKAP6 polymorphisms on susceptibility and prognosis of glioma, suggesting AKAP6 variants might have potential roles in the etiology of glioma.
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Affiliation(s)
- Ming Zhang
- Department of Neurosurgery, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China
| | - Yonglin Zhao
- Department of Oncology, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China
| | - Junjie Zhao
- Department of Neurosurgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Tingqin Huang
- Department of Neurosurgery, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China
| | - Yuan Wu
- Department of Critical Care Medicine, the Second Affiliated Hospital of Xi'an Jiaotong University, #157 Xiwu Road, Xi'an, 710004, Shaanxi, China.
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Rahiminejad A, Dinarvand R, Johari B, Nodooshan SJ, Rashti A, Rismani E, Mahdaviani P, Saltanatpour Z, Rahiminejad S, Raigani M, Khosravani M. Preparation and investigation of indirubin-loaded SLN nanoparticles and their anti-cancer effects on human glioblastoma U87MG cells. Cell Biol Int 2019; 43:2-11. [PMID: 30080277 DOI: 10.1002/cbin.11037] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 07/29/2018] [Indexed: 12/19/2022]
Abstract
Indirubin, an ingredient in traditional Chinese medicine, is considered as an anti-cancer agent. However, due to its hydrophobic nature, clinical efficiency has been limited. Drug delivery via nanotechnology techniques open new windows toward treatment of cancerous patients. Glioblastoma multiforme (GBM) is the most severe and common type of brain primary tumors. Of common problems in targeting therapies of glioblastoma is the availability of drug in tumoric tissues. In this study, Indirubin loaded solid lipid nanoparticles were prepared and their therapeutic potentials and antitumoric effects were assessed on GBM cell line (U87MG). The SLNs were prepared with Cetyl palmitate and Polysorbat 80 via high-pressure homogenization (HPH) methods in hot mode. Then, properties of SLNs including size, zeta potential, drug encapsulation efficacy (EE %) and drug loading were characterized. SLNs morphology and size were observed using SEM and TEM. The crystalinity of formulation was determined by different scattering calorimetry (DSC). The amount of drug release and antitumor efficiency were evaluated at both normal brain pH of 7.2 and tumoric pH of 6.8. The prapared SLNs had mean size of 130 nm, zeta potential of -16 mV and EE of 99.73%. The results of DSC showed proper encapsulation of drug into SLNs. Drug release assessment in both pH displayed sustain release property. The result of MTT test exhibited a remarkable increment in antitumor activity of Indirubin loaded SLN in comparison with free form of drug and blank SLN on multiform GB. This study indicated that Indirubin loaded SLNs could act as a useful anticancer drugs.
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Affiliation(s)
- Ali Rahiminejad
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Rassoul Dinarvand
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Behrooz Johari
- Department of Medical Biotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.,Cancer Gene Therapy Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Saeedeh Jafari Nodooshan
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Rashti
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Rismani
- Medical Genetic Center, Endocrinology and Metabolism Research Institute (EMRI), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Parvin Mahdaviani
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Zohreh Saltanatpour
- Medical Genetic Center, Endocrinology and Metabolism Research Institute (EMRI), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Sajad Rahiminejad
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mozhgan Raigani
- Medical Genetic Center, Endocrinology and Metabolism Research Institute (EMRI), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Masood Khosravani
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Yapa AS, Shrestha TB, Wendel SO, Kalubowilage M, Yu J, Wang H, Pyle M, Basel MT, Toledo Y, Ortega R, Malalasekera AP, Thapa PS, Troyer DL, Bossmann SH. Peptide Nanosponges Designed for the Delivery of Perillyl Alcohol to Glioma Cells. ACS APPLIED BIO MATERIALS 2018; 2:49-60. [DOI: 10.1021/acsabm.8b00305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Asanka S. Yapa
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Tej B. Shrestha
- Department of Anatomy & Physiology, Kansas State University, Manhattan, Kansas 66506, United States
| | - Sebastian O. Wendel
- Department of Anatomy & Physiology, Kansas State University, Manhattan, Kansas 66506, United States
| | - Madumali Kalubowilage
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Jing Yu
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Hongwang Wang
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Marla Pyle
- Department of Anatomy & Physiology, Kansas State University, Manhattan, Kansas 66506, United States
| | - Matthew T. Basel
- Department of Anatomy & Physiology, Kansas State University, Manhattan, Kansas 66506, United States
| | - Yubisela Toledo
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Raquel Ortega
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Aruni P. Malalasekera
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Prem S. Thapa
- Microscopy and Analytical Imaging Laboratory, University of Kansas, Lawrence, Kansas 66045, United States
| | - Deryl L. Troyer
- Department of Anatomy & Physiology, Kansas State University, Manhattan, Kansas 66506, United States
| | - Stefan H. Bossmann
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
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Fleming JM, Yeyeodu ST, McLaughlin A, Schuman D, Taylor DK. In Situ Drug Delivery to Breast Cancer-Associated Extracellular Matrix. ACS Chem Biol 2018; 13:2825-2840. [PMID: 30183254 DOI: 10.1021/acschembio.8b00396] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The extracellular matrix (ECM) contributes to tumor progression through changes induced by tumor and stromal cell signals that promote increased ECM density and stiffness. The increase in ECM stiffness is known to promote tumor cell invasion into surrounding tissues and metastasis. In addition, this scar-like ECM creates a protective barrier around the tumor that reduces the effectiveness of innate and synthetic antitumor agents. Herein, clinically approved breast cancer therapies as well as novel experimental approaches that target the ECM are discussed, including in situ hydrogel drug delivery systems, an emerging technology the delivers toxic chemotherapeutics, gene-silencing microRNAs, and tumor suppressing immune cells directly inside the tumor. Intratumor delivery of therapeutic agents has the potential to drastically reduce systemic side effects experienced by the patient and increase the efficacy of these agents. This review also describes the opposing effects of ECM degradation on tumor progression, where some studies report improved drug delivery and delayed cancer progression and others report enhanced metastasis and decreased patient survival. Given the recent increase in ECM-targeting drugs entering preclinical and clinical trials, understanding and addressing the factors that impact the effect of the ECM on tumor progression is imperative for the sake of patient safety and survival outcome.
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Affiliation(s)
- Jodie M. Fleming
- Department of Biological and Biomedical Sciences, North Carolina Central University, Durham, North Carolina, United States
| | - Susan T. Yeyeodu
- Charles River Discovery Services, Morrisville, North Carolina, United States
| | - Ashley McLaughlin
- Department of Biological and Biomedical Sciences, North Carolina Central University, Durham, North Carolina, United States
| | - Darren Schuman
- Department of Chemistry and Biochemistry, North Carolina Central University, Durham, North Carolina, United States
| | - Darlene K. Taylor
- Department of Chemistry and Biochemistry, North Carolina Central University, Durham, North Carolina, United States
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12
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Esquenazi Y, Friedman E, Liu Z, Zhu JJ, Hsu S, Tandon N. The Survival Advantage of "Supratotal" Resection of Glioblastoma Using Selective Cortical Mapping and the Subpial Technique. Neurosurgery 2018; 81:275-288. [PMID: 28368547 DOI: 10.1093/neuros/nyw174] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Accepted: 08/12/2016] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND A substantial body of evidence suggests that cytoreductive surgery is a prerequisite to prolonging survival in patients with glioblastoma (GBM). OBJECTIVE To evaluate the safety and impact of "supratotal" resections beyond the zone of enhancement seen on magnetic resonance imaging scans, using a subpial technique. METHODS We retrospectively evaluated 86 consecutive patients with primary GBM, managed by the senior author, using a subpial resection technique with or without carmustine (BCNU) wafer implantation. Multivariate Cox proportional hazards regression was used to analyze clinical, radiological, and outcome variables. Overall impacts of extent of resection (EOR) and BCNU wafer placement were compared using Kaplan-Meier survival analysis. RESULTS Mean patient age was 56 years. The median OS for the group was 18.1 months. Median OS for patients undergoing gross total, near-total, and subtotal resection were 54, 16.5, and 13.2 months, respectively. Patients undergoing near-total resection ( P = .05) or gross total resection ( P < .01) experienced statistically significant longer survival time than patients undergoing subtotal resection as well as patients undergoing ≥95% EOR ( P < .01) when compared to <95% EOR. The addition of BCNU wafers had no survival advantage. CONCLUSIONS The subpial technique extends the resection beyond the contrast enhancement and is associated with an overall survival beyond that seen in similar series where resection of the enhancement portion is performed. The effect of supratotal resection on survival exceeded the effects of age, Karnofsky performance score, and tumor volume. A prospective study would help to quantify the impact of the subpial technique on quality of life and survival as compared to a traditional resection limited to the enhancing tumor.
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Affiliation(s)
- Yoshua Esquenazi
- Vivian L. Smith Department of Neurosurgery and Mischer Neuroscience Institute, Houston, Texas
| | - Elliott Friedman
- Department of Radiology, Medical School, University of Texas Health Science Center at Houston, Houston, Texas
| | - Zheyu Liu
- Department of Biostatistics, School of Public Health, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Jay-Jiguang Zhu
- Vivian L. Smith Department of Neurosurgery and Mischer Neuroscience Institute, Houston, Texas
| | - Sigmund Hsu
- Vivian L. Smith Department of Neurosurgery and Mischer Neuroscience Institute, Houston, Texas
| | - Nitin Tandon
- Vivian L. Smith Department of Neurosurgery and Mischer Neuroscience Institute, Houston, Texas
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13
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Akiyama Y, Kimura Y, Enatsu R, Mikami T, Wanibuchi M, Mikuni N. Advantages and Disadvantages of Combined Chemotherapy with Carmustine Wafer and Bevacizumab in Patients with Newly Diagnosed Glioblastoma: A Single-Institutional Experience. World Neurosurg 2018; 113:e508-e514. [PMID: 29476996 DOI: 10.1016/j.wneu.2018.02.070] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 02/09/2018] [Accepted: 02/12/2018] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To retrospectively determine the safety and efficacy of combined chemotherapy with carmustine (BCNU) wafer, bevacizumab, and temozolomide plus radiotherapy in patients with newly diagnosed glioblastoma (GBM). METHODS A total of 54 consecutive newly diagnosed GBMs were resected at our institution between 2010 and 2016. Twenty-nine patients underwent BCNU wafer implantation into the resection cavity followed by standard radiochemotherapy with temozolomide (TMZ, Stupp regimen) plus additional bevacizumab treatment between 2013 and 2016. Twenty-five patients who underwent resection without BCNU implantation between 2010 and 2012 were enrolled as a control group; these patients were treated with the Stupp regimen and did not receive bevacizumab. This retrospective study included evaluation of progression-free survival and overall survival, plus comparisons between the combined therapy group and the control group. RESULTS There were no significant differences in age, sex, Karnofsky Performance Status on admission, isocitrate dehydrogenase 1/2 mutation ratio, or resection rate between the combined and standard therapy groups. The median overall survival in the combined therapy group and control group was 24.2 months and 15.30, respectively (P = 0.027). The median progression-free survival was 16.8 months and 7.30 months, respectively (P = 0.009). Overall, the incidence of adverse events leading to discontinuation of the study drug was similar between the treatment groups, except for infection, which was more common in the combined treatment group and required repeat surgery. CONCLUSIONS The combined therapy showed higher efficacy compared with standard therapy in patients with GBM. Therefore, combined therapy seems to be effective with an acceptable toxicity profile.
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Affiliation(s)
- Yukinori Akiyama
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuusuke Kimura
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Rei Enatsu
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takeshi Mikami
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masahiko Wanibuchi
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Nobuhiro Mikuni
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan.
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14
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Shibahara I, Hanihara M, Watanabe T, Dan M, Sato S, Kuroda H, Inamura A, Inukai M, Hara A, Yasui Y, Kumabe T. Tumor microenvironment after biodegradable BCNU wafer implantation: special consideration of immune system. J Neurooncol 2018; 137:417-427. [DOI: 10.1007/s11060-017-2733-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 12/24/2017] [Indexed: 02/07/2023]
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15
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Yu X, Sun NR, Jang HT, Guo SW, Lian MX. Associations between EGFR gene polymorphisms and susceptibility to glioma: a systematic review and meta-analysis from GWAS and case-control studies. Oncotarget 2017; 8:86877-86885. [PMID: 29156842 PMCID: PMC5689732 DOI: 10.18632/oncotarget.21011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 08/29/2017] [Indexed: 12/18/2022] Open
Abstract
The results of genome-wide association studies (GWAS) and case-control studies performed to investigate the associations between epidermal growth factor receptor (EGFR) gene polymorphisms and glioma risk are controversial. The aim of this systematic review and meta-analysis is to determine whether EGFR gene polymorphisms are associated with glioma risk by searching 'PubMed', 'EMBASE', 'Web of Science', 'Cochrane Library' and 'China WeiPu Library' to retrieve studies that investigated associations between EGFR gene polymorphisms and glioma risk. Four GWAS containing 35 studies and 7 case-control studies meeting the inclusion criteria were finally recruited, and 11 single-nucleotide polymorphisms (SNPs) were analyzed. The results showed a significant positive association between rs730437/rs845552 and glioma risk in Asians, and a significant negative association between them in Caucasians. In addition, rs11506105 was significantly associated with an increased risk of glioma in both Asians and Caucasians, and rs11979158 decreased the risk of glioma in Caucasians. However, no significant association was observed between rs12718945/rs17172432/rs4947492 and glioma risk in Asians, between rs2252586 and glioma risk in Caucasians, and between rs3752651 and glioma risk in either Asians or Caucasians. In conclusion, different SNPs in EGFR gene might have different impacts on the risk of glioma in various ethnicities, which offers new insights into the treatment with a target-oriented approach.
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Affiliation(s)
- Xiao Yu
- Department of Neurosurgery of The First Affiliated Hospital of Xi’an Jiaotong University School of Medicine, Xi’an, Shaanxi Province, China
| | - Nian Rong Sun
- Department of Neurosurgery of Luonan County People's Hospital, Luonan County, Shaanxi Province, China
| | - Hai Tao Jang
- Department of Neurosurgery of The First Affiliated Hospital of Xi’an Jiaotong University School of Medicine, Xi’an, Shaanxi Province, China
| | - Shi Wen Guo
- Department of Neurosurgery of The First Affiliated Hospital of Xi’an Jiaotong University School of Medicine, Xi’an, Shaanxi Province, China
| | - Min Xue Lian
- Department of Neurosurgery of The First Affiliated Hospital of Xi’an Jiaotong University School of Medicine, Xi’an, Shaanxi Province, China
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16
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Doishita S, Shimono T, Yoneda T, Yamada E, Tsukamoto T, Takemori D, Kimura D, Tatekawa H, Sakamoto S, Miki Y. In vitro Study of Serial Changes to Carmustine Wafers (Gliadel) with MR Imaging and Computed Tomography. Magn Reson Med Sci 2017; 17:58-66. [PMID: 28867760 PMCID: PMC5760234 DOI: 10.2463/mrms.mp.2017-0035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Implantation of carmustine wafers (Gliadel) in vivo is accompanied by characteristic serial changes on MRI and CT, such as transient hyperintensity of the wafers on T1-weighted images (T1WIs) and considerable gas accumulation in surgical resection cavities. The purpose of this study was to evaluate intrinsic imaging changes to carmustine wafers in vitro. METHODS Three phantoms simulating a surgical resection cavity were constructed. Each contained either a carmustine wafer fixed with oxidized regenerated cellulose and fibrin sealant, an unfixed carmustine wafer, or a fixed polyethylene control disk, immersed in phosphate-buffered saline. Image acquisition of the phantoms was performed on MRI and CT until 182 days after construction. The radiological appearances of the object in each phantom were assessed by visual evaluation and quantification of the region of interest. The volume of gas around the objects at 24 h after constructing the phantoms was also measured. RESULTS The carmustine wafers showed low signal intensities on T1WIs and T2-weighted images (T2WIs), and high densities on CT images at 24 h. The signal intensities and CT densities gradually approximated those of saline over a period of months. However, the carmustine wafers never showed hyperintensity on T1WIs in vitro. The fixed carmustine wafer showed slower radiological changes, as compared to the unfixed wafer. The gas volume around the fixed carmustine wafer was greater than that around the fixed control disk. CONCLUSION Changes to the carmustine wafers probably reflected penetration of fluid inside and degradation of the hydrophobic matrix. Reported transient hyperintensity of wafers on T1WIs in vivo is regarded as the result of biological reactions, whereas the initial production of gas is considered as an intrinsic characteristic of wafers.
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Affiliation(s)
- Satoshi Doishita
- Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine
| | - Taro Shimono
- Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine
| | - Tetsuya Yoneda
- Department of Medical Physics in Advanced Biomedical Sciences, Faculty of Life Sciences, Kumamoto University
| | - Eiji Yamada
- Department of Radiological Technology, Osaka City University Hospital
| | - Taro Tsukamoto
- Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine
| | - Daichi Takemori
- Department of Radiological Technology, Osaka City University Hospital
| | - Daisuke Kimura
- Department of Radiological Technology, Osaka City University Hospital
| | - Hiroyuki Tatekawa
- Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine
| | - Shinichi Sakamoto
- Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine
| | - Yukio Miki
- Department of Diagnostic and Interventional Radiology, Osaka City University Graduate School of Medicine
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17
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Roux A, Peeters S, Zanello M, Bou Nassif R, Abi Lahoud G, Dezamis E, Parraga E, Lechapt-Zalcmann E, Dhermain F, Dumont S, Louvel G, Chretien F, Sauvageon X, Devaux B, Oppenheim C, Pallud J. Extent of resection and Carmustine wafer implantation safely improve survival in patients with a newly diagnosed glioblastoma: a single center experience of the current practice. J Neurooncol 2017; 135:83-92. [PMID: 28669011 DOI: 10.1007/s11060-017-2551-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 06/27/2017] [Indexed: 11/29/2022]
Abstract
For newly diagnosed glioblastomas treated with resection in association with the standard combined chemoradiotherapy, the impact of Carmustine wafer implantation remains debated regarding postoperative infections, quality of life, and feasibility of adjuvant oncological treatments. To assess together safety, tolerance and efficacy of Carmustine wafer implantation and of extent of resection for glioblastoma patients in real-life experience. Observational retrospective monocentric study including 340 consecutive adult patients with a newly diagnosed supratentorial glioblastoma who underwent surgical resection with (n = 123) or without (n = 217) Carmustine wafer implantation as first-line oncological treatment. Carmustine wafer implantation and extent of resection did not significantly increase postoperative complications, including postoperative infections (p = 0.269, and p = 0.446, respectively). Carmustine wafer implantation and extent of resection did not significantly increase adverse events during adjuvant oncological therapies (p = 0.968, and p = 0.571, respectively). Carmustine wafer implantation did not significantly alter the early postoperative Karnofsky performance status (p = 0.402) or the Karnofsky performance status after oncological treatment (p = 0.636) but a subtotal or total surgical resection significantly improved those scores (p < 0.001, and p < 0.001, respectively). Carmustine wafer implantation, subtotal and total resection, and standard combined chemoradiotherapy were independently associated with longer event-free survival (adjusted Hazard Ratio (aHR), 0.74 [95% CI 0.55-0.99], p = 0.043; aHR, 0.70 [95% CI 0.54-0.91], p = 0.009; aHR, 0.40 [95% CI 0.29-0.55], p < 0.001, respectively) and with longer overall survival (aHR, 0.69 [95% CI 0.49-0.96], p = 0.029; aHR, 0.52 [95% CI 0.38-0.70], p < 0.001; aHR, 0.58 [95% CI 0.42-0.81], p = 0.002, respectively). Carmustine wafer implantation in combination with maximal resection, followed by standard combined chemoradiotherapy is safe, efficient, and well-tolerated in newly diagnosed supratentorial glioblastomas in adults.
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Affiliation(s)
- Alexandre Roux
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Sophie Peeters
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France.,University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Marc Zanello
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Rabih Bou Nassif
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Georges Abi Lahoud
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Edouard Dezamis
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Inserm, U894, Centre Psychiatrie et Neurosciences, Paris, France
| | - Eduardo Parraga
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Emmanuelle Lechapt-Zalcmann
- Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Department of Neuropathology, Sainte-Anne Hospital, Paris, France
| | - Frédéric Dhermain
- Department of Radiotherapy, Gustave Roussy University Hospital, Villejuif, France
| | - Sarah Dumont
- Department of Neurooncology, Gustave Roussy, Villejuif, France
| | - Guillaume Louvel
- Department of Radiotherapy, Gustave Roussy University Hospital, Villejuif, France
| | - Fabrice Chretien
- Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Department of Neuropathology, Sainte-Anne Hospital, Paris, France
| | - Xavier Sauvageon
- Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Department of Neuro-Anaesthesia and Neuro-Intensive Care, Sainte-Anne Hospital, Paris, France
| | - Bertrand Devaux
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France.,Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Catherine Oppenheim
- Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Inserm, U894, Centre Psychiatrie et Neurosciences, Paris, France.,Department of Neuroradiology, Sainte-Anne Hospital, Paris, France
| | - Johan Pallud
- Department of Neurosurgery, Service de Neurochirurgie, Sainte-Anne Hospital, 1, rue Cabanis, 75674, Paris Cedex 14, France. .,Paris Descartes University, Sorbonne Paris Cité, Paris, France. .,Inserm, U894, Centre Psychiatrie et Neurosciences, Paris, France.
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18
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Zhang C, Zhao Y, Zhang H, Chen X, Zhao N, Tan D, Zhang H, Shi C. The Application of Heptamethine Cyanine Dye DZ-1 and Indocyanine Green for Imaging and Targeting in Xenograft Models of Hepatocellular Carcinoma. Int J Mol Sci 2017; 18:E1332. [PMID: 28635650 PMCID: PMC5486152 DOI: 10.3390/ijms18061332] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 06/07/2017] [Accepted: 06/18/2017] [Indexed: 12/31/2022] Open
Abstract
Near infrared fluorescence (NIRF) imaging has strong potential for widespread use in noninvasive tumor imaging. Indocyanine green (ICG) is the only Food and Drug Administration (FDA) -approved NIRF dye for clinical diagnosis; however, it is unstable and poorly targets tumors. DZ-1 is a novel heptamethine cyanine NIRF dye, suitable for imaging and tumor targeting. Here, we compared the fluorescence intensity and metabolism of DZ-1 and ICG. Additionally, we assayed their specificities and abilities to target tumor cells, using cultured hepatocellular carcinoma (HCC) cell lines, a nude mouse subcutaneous xenograft model of liver cancer, and a rabbit orthotopic transplantation model. We found that DZ-1 accumulates in tumor tissue and specifically recognizes HCC in subcutaneous and orthotopic models. The NIRF intensity of DZ-1 was one order of magnitude stronger than that of ICG, and DZ-1 showed excellent intraoperative tumor targeting in the rabbit model. Importantly, ICG accumulated at tumor sites, as well as in the liver and kidney. Furthermore, DZ-1 analog-gemcitabine conjugate (NIRG) exhibited similar tumor-specific targeting and imaging properties, including inhibition of tumor growth, in HCC patient-derived xenograft (PDX) mice. DZ-1 and NIRG demonstrated superior tumor-targeting specificity, compared to ICG. We show that DZ-1 is an effective molecular probe for specific imaging, targeting, and therapy in HCC.
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Affiliation(s)
- Caiqin Zhang
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - Yong Zhao
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - He Zhang
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - Xue Chen
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - Ningning Zhao
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - Dengxu Tan
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - Hai Zhang
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
| | - Changhong Shi
- Laboratory Animal Center, the Fourth Military Medical University, Xi'an 710032, China.
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Ding L, Wang Q, Shen M, Sun Y, Zhang X, Huang C, Chen J, Li R, Duan Y. Thermoresponsive nanocomposite gel for local drug delivery to suppress the growth of glioma by inducing autophagy. Autophagy 2017; 13:1176-1190. [PMID: 28594260 DOI: 10.1080/15548627.2017.1320634] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Although the treatments of malignant glioma include surgery, radiotherapy and chemotherapy by oral drug administration, the prognosis of patients with glioma remains very poor. We developed a polyethylene glycol-dipalmitoylphosphatidyle- thanoiamine (mPEG-DPPE) calcium phosphate nanoparticles (NPs) injectable thermoresponsive hydrogel (nanocomposite gel) that could provide a sustained and local delivery of paclitaxel (PTX) and temozolomide (TMZ). In addition, the proportion of PTX and TMZ for the optimal synergistic antiglioma effect on C6 cells was determined to be 1:100 (w/w) by the Chou and Talalay method. Our results clearly indicated that the autophagy induced by PTX:TMZ NPs plays an important role in regulating tumor cell death, while autophagy inhibition dramatically reverses the antitumor effect of PTX:TMZ NPs, suggesting that antiproliferative autophagy occurs in response to PTX:TMZ NPs treatment. The antitumor efficacy of the PTX:TMZ NP-loaded gel was evaluated in situ using C6 tumor-bearing rats, and the PTX:TMZ NP-loaded gel exhibited superior antitumor performance. The antitumor effects of the nanocomposite gel in vivo were shown to correlate with autophagic cell death in this study. The in vivo results further confirmed the advantages of such a strategy. The present study may provide evidence supporting the development of nanomedicine for potential clinical application.
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Affiliation(s)
- Li Ding
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Qi Wang
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Ming Shen
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Ying Sun
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Xiangyu Zhang
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Can Huang
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Jianhua Chen
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Rongxin Li
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
| | - Yourong Duan
- a State Key Laboratory of Oncogenes and Related Genes , School of Biomedical Engineering, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China
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20
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Pan L, Lin H, Tian S, Bai D, Kong Y, Yu L. The sensitivity of glioma cells to pyropheophorbide-αmethyl ester-mediated photodynamic therapy is enhanced by inhibiting ABCG2. Lasers Surg Med 2017; 49:719-726. [PMID: 28370217 DOI: 10.1002/lsm.22661] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/25/2017] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND OBJECTIVE To study the mechanisms of human glioblastoma cell resistance to methyl ester pyropheophorbide-a-mediated photodynamic therapy (MPPa-PDT) and the relationship between the cells and adenosine triphosphate-binding cassette superfamily G member 2 (ABCG2). STUDY DESIGN/MATERIALS AND METHODS The sensitivity of four human glioma cell lines (U87, A172, SHG-44, and U251) to MPPa-PDT was detected with a CCK-8 assay. Cell apoptosis, intracellular MPPa, and singlet oxygen were tested with flow cytometry. The mRNA and protein expression of ATP-binding cassette transporters (ABCG2, MRP1, and MDR1) were detected by PCR and Western blot, respectively. RESULTS Both the sensitivity to MPPa-PDT and intracellular MPPa in A172 were the lowest among the four cell lines, while expression of ABCG2 mRNA and protein in A172 were the highest. The intracellular MPPa and ROS in A172 receiving MPPa-PDT significantly increased after using the ABCG2 inhibitor fumitremorgin C (FTC). Both cell viability and apoptosis in A172 cells undergoing MPPa-PDT were significantly improved with FTC. CONCLUSIONS ABCG2 plays a significant role in the resistance of A172 to MPPa-PDT. Lasers Surg. Med. 49:719-726, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Li Pan
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Haidan Lin
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Si Tian
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Dingqun Bai
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Yuhan Kong
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Lehua Yu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, P.R. China
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21
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Choy W, Lagman C, Lee SJ, Bui TT, Safaee M, Yang I. Impact of Human Immunodeficiency Virus in the Pathogenesis and Outcome of Patients with Glioblastoma Multiforme. Brain Tumor Res Treat 2016; 4:77-86. [PMID: 27867916 PMCID: PMC5114196 DOI: 10.14791/btrt.2016.4.2.77] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 07/10/2016] [Accepted: 07/18/2016] [Indexed: 12/25/2022] Open
Abstract
Background Improvement in antiviral therapies have been accompanied by an increased frequency of non-Acquired Immune Deficiency Syndrome (AIDS) defining malignancies, such as glioblastoma multiforme. Here, we investigated all reported cases of human immunodeficiency virus (HIV)-positive patients with glioblastoma and evaluated their clinical outcomes. A comprehensive review of the molecular pathogenetic mechanisms underlying glioblastoma development in the setting of HIV/AIDS is provided. Methods We performed a PubMed search using keywords “HIV glioma” AND “glioblastoma,” and “AIDS glioma” AND “glioblastoma.” Case reports and series describing HIV-positive patients with glioblastoma (histologically-proven World Health Organization grade IV astrocytoma) and reporting on HAART treatment status, clinical follow-up, and overall survival (OS), were included for the purposes of quantitative synthesis. Patients without clinical follow-up data or OS were excluded. Remaining articles were assessed for data extraction eligibility. Results A total of 17 patients met our inclusion criteria. Of these patients, 14 (82.4%) were male and 3 (17.6%) were female, with a mean age of 39.5±9.2 years (range 19–60 years). Average CD4 count at diagnosis of glioblastoma was 358.9±193.4 cells/mm3. Tumor progression rather than AIDS-associated complications dictated patient survival. There was a trend towards increased median survival with HAART treatment (12.0 vs 7.5 months, p=0.10) Conclusion Our data suggests that HAART is associated with improved survival in patients with HIV-associated glioblastoma, although the precise mechanisms underlying this improvement remain unclear.
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Affiliation(s)
- Winward Choy
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA, USA
| | - Carlito Lagman
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA, USA
| | - Seung J Lee
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA, USA
| | - Timothy T Bui
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA, USA
| | - Michael Safaee
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA, USA
| | - Isaac Yang
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA, USA.; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA, USA
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Chimeric antigen receptors for treatment of glioblastoma: a practical review of challenges and ways to overcome them. Cancer Gene Ther 2016; 24:121-129. [PMID: 27767090 DOI: 10.1038/cgt.2016.46] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 09/05/2016] [Indexed: 12/28/2022]
Abstract
Glioblastoma (GBM) is by far the most common and the most aggressive of all the primary brain malignancies. No curative therapy exists, and median life expectancy hovers at around 1 year after diagnosis, with a minute fraction surviving beyond 5 years. The difficulty in treating GBM lies in the cancer's protected niche within the blood-brain barrier and the heterogeneity of the cancer cells, which possess varying degrees of susceptibility to various common modalities of treatment. Over time, it is the tumor heterogeneity of GBM and the ability of the cancer stem cells to evolve in response treatment that renders the cancer refractory to conventional treatment. Therefore, research has increasingly focused on treatment that incorporates knowledge of GBM molecular biology to therapeutic strategies. One type of therapy that shows great promise is the area of T-cell immunotherapy to target GBM-specific tumor antigens. One attractive strategy is to use T cells that have undergone genetic modification to express a chimeric antigen receptor capable of interacting with tumor antigens. In this article, we will review chimeric antigen receptor T-cell therapy, their advantages, drawbacks, challenges facing their use and how those challenges may be overcome.
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Murai S, Ichikawa T, Kurozumi K, Shimazu Y, Oka T, Otani Y, Shimizu T, Date I. Quantitative analysis of brain edema in patients with malignant glioma treated with BCNU wafers. J Clin Neurosci 2016; 33:148-153. [PMID: 27452129 DOI: 10.1016/j.jocn.2016.03.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 03/09/2016] [Accepted: 03/11/2016] [Indexed: 12/31/2022]
Abstract
BCNU wafers are a form of interstitial chemotherapy that is expected to improve the survival of patients with malignant glioma. However, their adverse events, especially brain edema, sometimes cause significant clinical symptoms. In this study, we performed a volumetric analysis of brain edema after the implantation of BCNU wafers and reported on the clinical course, and exacerbation factors of brain edema. Twelve patients who underwent surgical resection of supratentorial malignant glioma and BCNU wafer implantation, were enrolled. Radiographic quantitative analysis was conducted and compared with a historical control. The volume change in brain edema was divided into three groups and correlation with clinical symptoms was then evaluated. Compared with the control group, the brain edema in the BCNU wafer implantation group was significantly prolonged after surgery. Radiographic volumetric analysis revealed an increase of more than 25% at any time after surgery in four patients (33%) and a reduction of less than 25%, 1month after surgery in three patients (25%). Grade 3 clinical deterioration related to brain edema occurred in two patients and Grade 2 in one patient. Univariate analysis revealed that the radiographic deterioration of brain edema had no correlation with age, sex, diagnosis, tumor grade, preoperative volume of brain edema and tumor, residual tumor volume, or number of BCNU wafers. Radiographic quantitative analysis of brain edema indicated that BCNU wafer implantation may induce the prolongation and enlargement of brain edema with or without neurological deterioration. Brain edema may be controlled by intensive perioperative treatment with diuretics and corticosteroids.
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Affiliation(s)
- Satoshi Murai
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Tomotsugu Ichikawa
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan.
| | - Kazuhiko Kurozumi
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Yosuke Shimazu
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Tetsuo Oka
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Yoshihiro Otani
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Toshihiko Shimizu
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Isao Date
- Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
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Mahdavi SR, Yahyapour R, Nikoofar A. Cytotoxic effects of hyperthermia, chemotherapy (Navelbine) and radiation on glioma spheroids. Radiat Phys Chem Oxf Engl 1993 2016. [DOI: 10.1016/j.radphyschem.2016.01.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Assessment of cytotoxic damage induced by irradiation combined with hyperthermia and Gemcitabine on cultured glioblastoma spheroid cells. Radiat Phys Chem Oxf Engl 1993 2016. [DOI: 10.1016/j.radphyschem.2015.11.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wu JB, Shi C, Chu GCY, Xu Q, Zhang Y, Li Q, Yu JS, Zhau HE, Chung LWK. Near-infrared fluorescence heptamethine carbocyanine dyes mediate imaging and targeted drug delivery for human brain tumor. Biomaterials 2015. [PMID: 26197410 DOI: 10.1016/j.biomaterials.2015.07.028] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Brain tumors and brain metastases are among the deadliest malignancies of all human cancers, largely due to the cellular blood-brain and blood-tumor barriers that limit the delivery of imaging and therapeutic agents from the systemic circulation to tumors. Thus, improved strategies for brain tumor visualization and targeted treatment are critically needed. Here we identified and synthesized a group of near-infrared fluorescence (NIRF) heptamethine carbocyanine dyes and derivative NIRF dye-drug conjugates for effective imaging and therapeutic targeting of brain tumors of either primary or metastatic origin in mice, which is mechanistically mediated by tumor hypoxia and organic anion-transporting polypeptide genes. We also demonstrate that these dyes, when conjugated to chemotherapeutic agents such as gemcitabine, significantly restricted the growth of both intracranial glioma xenografts and prostate tumor brain metastases and prolonged survival in mice. These results show promise in the application of NIRF dyes as novel theranostic agents for the detection and treatment of brain tumors.
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Affiliation(s)
- Jason Boyang Wu
- Uro-Oncology Research Program, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Changhong Shi
- Uro-Oncology Research Program, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Laboratory Animal Center, the Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Gina Chia-Yi Chu
- Uro-Oncology Research Program, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Qijin Xu
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Yi Zhang
- Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Qinlong Li
- Uro-Oncology Research Program, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - John S Yu
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Haiyen E Zhau
- Uro-Oncology Research Program, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Leland W K Chung
- Uro-Oncology Research Program, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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Xing WK, Shao C, Qi ZY, Yang C, Wang Z. The role of Gliadel wafers in the treatment of newly diagnosed GBM: a meta-analysis. DRUG DESIGN DEVELOPMENT AND THERAPY 2015; 9:3341-8. [PMID: 26170620 PMCID: PMC4492653 DOI: 10.2147/dddt.s85943] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Background Standard treatment for high-grade glioma (HGG) includes surgery followed by radiotherapy and/or chemotherapy. Insertion of carmustine wafers into the resection cavity as a treatment for malignant glioma is currently a controversial topic among neurosurgeons. Our meta-analysis focused on whether carmustine wafer treatment could significantly benefit the survival of patients with newly diagnosed glioblastoma multiforme (GBM). Method We searched the PubMed and Web of Science databases without any restrictions on language using the keywords “Gliadel wafers”, “carmustine wafers”, “BCNU wafers”, or “interstitial chemotherapy” in newly diagnosed GBM for the period from January 1990 to March 2015. Randomized controlled trials (RCTs) and cohort studies/clinical trials that compared treatments designed with and without carmustine wafers and which reported overall survival or hazard ratio (HR) or survival curves were included in this study. Moreover, the statistical analysis was conducted by the STATA 12.0 software. Results Six studies including two RCTs and four cohort studies, enrolling a total of 513 patients (223 with and 290 without carmustine wafers), matched the selection criteria. Carmustine wafers showed a strong advantage when pooling all the included studies (HR =0.63, 95% confidence interval (CI) =0.49–0.81; P=0.019). However, the two RCTs did not show a statistical increase in survival in the group with carmustine wafer compared to the group without it (HR =0.51, 95% CI =0.18–1.41; P=0.426), while the cohort studies demonstrated a significant survival increase (HR =0.59, 95% CI =0.44–0.79; P<0.0001). Conclusion Carmustine-impregnated wafers play a significant role in improving survival when used for patients with newly diagnosed GBM. More studies should be designed for newly diagnosed GBM in the future.
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Affiliation(s)
- Wei-kang Xing
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Chuan Shao
- Department of Neurosurgery, The Second Clinical Medical College of North Sichuan Medical College, Nanchong, Sichuan, People's Republic of China
| | - Zhen-yu Qi
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Chao Yang
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Zhong Wang
- Department of Neurosurgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People's Republic of China
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Lin TY, Lee CC, Chen KC, Lin CJ, Shih CM. Inhibition of RNA transportation induces glioma cell apoptosis via downregulation of RanGAP1 expression. Chem Biol Interact 2015; 232:49-57. [DOI: 10.1016/j.cbi.2015.02.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 02/14/2015] [Accepted: 02/23/2015] [Indexed: 02/04/2023]
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Sawyer AJ, Saucier-Sawyer JK, Booth CJ, Liu J, Patel T, Piepmeier JM, Saltzman WM. Convection-enhanced delivery of camptothecin-loaded polymer nanoparticles for treatment of intracranial tumors. Drug Deliv Transl Res 2015; 1:34-42. [PMID: 21691426 DOI: 10.1007/s13346-010-0001-3] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Direct delivery of chemotherapy agents to the brain via degradable polymer delivery systems-such as Gliadel®-is a clinically proven method for treatment of glioblastoma multiforme, but there are important limitations with the current technology-including the requirement for surgery, profound local tissue toxicity, and limitations in diffusional penetration of agents-that limit its application and effectiveness. Here, we demonstrate another technique for direct, controlled delivery of chemotherapy to the brain that provides therapeutic benefit with fewer limitations. In our new approach, camptothecin (CPT)-loaded poly(lacticco-glycolic acid) (PLGA) nanoparticles are infused via convection-enhanced delivery (CED) to a stereotactically defined location in the brain, allowing simultaneous control of location, spread, and duration of drug release. To test this approach, CPT-PLGA nanoparticles (~100 nm in diameter) were synthesized with 25% drug loading. When these nanoparticles were incubated in culture with 9L gliosarcoma cells, the IC50 of CPT-PLGA nanoparticles was 0.04 µM, compared to 0.3 µM for CPT alone. CPT-PLGA nanoparticles stereotactically delivered by CED improved survival in rats with intracranial 9L tumors: the median survival for rats treated with CPT-PLGA nanoparticles (22 days) was significantly longer than unloaded nanoparticles (15 days) and free CPT infusion (17 days). CPT-PLGA nanoparticle treatment also produced significantly more long-term survivors (30% of animals were free of disease at 60 days) than any other treatment. CPT was present in tissues harvested up to 53 days post-infusion, indicating prolonged residence at the local site of administration. These are the first results to demonstrate the effectiveness of combining polymer-controlled release nanoparticles with CED in treating fatal intracranial tumors.
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Affiliation(s)
- Andrew J Sawyer
- Department of Biomedical Engineering, Yale University, New Haven, CT 06520, USA
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30
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Piao MX, Bai JW, Zhang PF, Zhang YZ. PCSK9 regulates apoptosis in human neuroglioma u251 cells via mitochondrial signaling pathways. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:2787-2794. [PMID: 26045785 PMCID: PMC4440094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 02/27/2015] [Indexed: 06/04/2023]
Abstract
Proprotein convertase subtilisin/kexin type 9 (PCSK9), belongs to a family of proprotein convertases (PCs), encodes a neural apoptosis-regulated convertase 1. However, the precise role of PCSK9 during glioma cells apoptosis has not been reported. Therefore, we examined the effects of knockdown and overexpression of PCSK9 on apoptosis of human neuroglioma U251 cells, and investigated the underlying mechanisms of apoptosis. We found that PCSK9 regulated cells proliferation as determined by CCK-8 and Hoechst staining analysis. In addition, western blot results showed that PCSK9 siRNA promote apoptosis via activation of caspase-3 and down-regulation of the anti-apoptotic proteins, XIAP and p-Akt, while PCSK9 overexpression inhibited apoptosis. Moreover, PCSK9 siRNA improved the ratio of Bax/Bcl-2 which leads to the release of cytochrome c, while PCSK9 overexpression decreased it. Taken together, these data demonstrate that PCSK9 may regulate apoptosis through mitochondrial pathway and is expected to be a promising therapeutic strategy for the malignant glioma.
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Affiliation(s)
- Ming-Xue Piao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical UniversityDongcheng District, Beijing 100050, P.R. China
| | - Ji-Wei Bai
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical UniversityDongcheng District, Beijing 100050, P.R. China
| | - Peng-Fei Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical UniversityDongcheng District, Beijing 100050, P.R. China
| | - Ya-Zhuo Zhang
- Beijing Neurosurgical Institute, Capital Medical UniversityBeijing 100050, P.R. China
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31
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Kaittanis C, Shaffer TM, Thorek DLJ, Grimm J. Dawn of advanced molecular medicine: nanotechnological advancements in cancer imaging and therapy. Crit Rev Oncog 2014; 19:143-76. [PMID: 25271430 DOI: 10.1615/critrevoncog.2014011601] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Nanotechnology plays an increasingly important role not only in our everyday life (with all its benefits and dangers) but also in medicine. Nanoparticles are to date the most intriguing option to deliver high concentrations of agents specifically and directly to cancer cells; therefore, a wide variety of these nanomaterials has been developed and explored. These span the range from simple nanoagents to sophisticated smart devices for drug delivery or imaging. Nanomaterials usually provide a large surface area, allowing for decoration with a large amount of moieties on the surface for either additional functionalities or targeting. Besides using particles solely for imaging purposes, they can also carry as a payload a therapeutic agent. If both are combined within the same particle, a theranostic agent is created. The sophistication of highly developed nanotechnology targeting approaches provides a promising means for many clinical implementations and can provide improved applications for otherwise suboptimal formulations. In this review we will explore nanotechnology both for imaging and therapy to provide a general overview of the field and its impact on cancer imaging and therapy.
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Affiliation(s)
- Charalambos Kaittanis
- Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, NY
| | - Travis M Shaffer
- Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, NY
| | - Daniel L J Thorek
- Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, NY
| | - Jan Grimm
- Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, NY
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Chen J, Xu ZY, Wang F. Association between DNA methylation and multidrug resistance in human glioma SHG-44 cells. Mol Med Rep 2014; 11:43-52. [PMID: 25333456 PMCID: PMC4237088 DOI: 10.3892/mmr.2014.2690] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 06/11/2014] [Indexed: 01/03/2023] Open
Abstract
The aim of the present study was to evaluate the association between DNA methylation and multidrug resistance (MDR) in glioma and identify novel effectors responsible for MDR in human gliomas. An MDR glioma cell line, SGH-44/ADM, was developed using adriamycin (ADM) impulse treatment. Cryopreservation, recovery and withdrawal were performed to evaluate the stability of SGH-44/ADM cells. The adherence rate and cellular morphology were observed by microscopy, and the cell growth curve and doubling time were determined. DNA methylation was analyzed using a methylated DNA immunoprecipitation microarray chip (MeDIP-Chip). The cell cycle, Rh123 ingestion and exudation, and SGH-44/ADM apoptosis were analyzed by flow cytometry. SGH-44/ADM cells showed little difference as compared with parental cells, except that SGH-44/ADM cells were bigger in size with a wizened nucleus. Compared to SGH-44 cells, a larger proportion of SGH-44/ADM cells remained in G1 and S phase, as measured by flow cytometry. The MDR of SGH-44/ADM was associated with the upregulation of multi-drug resistance 1, prostaglandin-endoperoxide synthase 2 (COX-2); protein kinase C α (PKCα); however, the expression of these genes was not associated with DNA methylation. In the MeDIP-Chip analysis, 74 functions were markedly enhanced, and seven significant pathways were observed. Genes including SNAP47, ARRB2, PARD6B, TGFB1, VPS4B and CBLB were identified by gene ontology analysis. The predominant molecular mechanism of MDR in SGH-44/ADM cells was identified as exocytosis and efflux. The expression of COX-2, PKCα and P-glycoprotein (Pgp) was not found to be associated with DNA methylation. Genes including SNAP47, VAMP4 and VAMP3 may serve as the downstream effectors of Pgp, COX-2 or PKCα; however, further experiments are required to verify these observations.
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Affiliation(s)
- Jin Chen
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Zhong-Ye Xu
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Feng Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
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Kuramitsu S, Motomura K, Natsume A, Wakabayashi T. Double-edged Sword in the Placement of Carmustine (BCNU) Wafers along the Eloquent Area: A Case Report. NMC Case Rep J 2014; 2:40-45. [PMID: 28663961 PMCID: PMC5364933 DOI: 10.2176/nmccrj.2014-0025] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 06/22/2014] [Indexed: 11/28/2022] Open
Abstract
Although direct Gliadel® wafer implantation into the resection cavity has been shown to significantly improve survival in patients with high-grade gliomas, several complications have been associated with the implantations of Gliadel wafers, including brain edema, healing delay, cerebral spinal fluid leak, intracranial infections, and cyst formation. The brain edema that is associated with Gliadel wafer implantation might result in neurological deficits and significant morbidities and mortalities. In particular, it is not clear if they should be placed in the eloquent areas, such as language areas, motor areas, and areas related to cognitive function, even if these areas contain a remnant tumor. Here, we present a case of profound brain edema along the pyramidal tract due to Gliadel wafer implantation, which resulted in severe neurological deficits. This treatment represents a double-edged sword due to the possibility of severe symptomatic brain edema along the eloquent area, even though Gliadel wafers might be effective in controlling local tumor growth. We should keep in mind that Gliadel wafer placement in eloquent areas may result in severe disadvantages to patients and a loss of their quality of life.
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Affiliation(s)
- Shunichiro Kuramitsu
- Department of Neurosurgery, Nagoya University School of Medicine, Showa-ku, Nagoya, Aichi
| | - Kazuya Motomura
- Department of Neurosurgery, Nagoya University School of Medicine, Showa-ku, Nagoya, Aichi
| | - Atsushi Natsume
- Department of Neurosurgery, Nagoya University School of Medicine, Showa-ku, Nagoya, Aichi
| | - Toshihiko Wakabayashi
- Department of Neurosurgery, Nagoya University School of Medicine, Showa-ku, Nagoya, Aichi
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Jiang W, Fu Y, Yang F, Yang Y, Liu T, Zheng W, Zeng L, Chen T. Gracilaria lemaneiformis polysaccharide as integrin-targeting surface decorator of selenium nanoparticles to achieve enhanced anticancer efficacy. ACS APPLIED MATERIALS & INTERFACES 2014; 6:13738-48. [PMID: 25073123 DOI: 10.1021/am5031962] [Citation(s) in RCA: 110] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The poor permeability of glioma parenchyma represents a major limit for antiglioblastoma drug delivery. Gracilaria lemaneiformis polysaccharide (GLP), which has a high binding affinity to αvβ3 integrin overexpressed in glioma cells, was employed in the present study to functionalize selenium nanoparticles (SeNPs) to achieve antiglioblastoma efficacy. GLP-SeNPs showed satisfactory size distribution, high stability, and selectivity between cancer and normal cells. In U87 glioma cell membrane, which has a high integrin expression level, GLP-SeNPs exhibited significantly higher cellular uptake than unmodified SeNPs. As expected, U87 cells exhibited a greater uptake of GLP-SeNPs than C6 cells with low integrin expression level. Furthermore, the internalization of GLP-SeNPs was inhibited by cyclo-(Arg-Gly-Asp-Phe-Lys) peptides, suggesting that cellular uptake into U87 cells and C6 cells occurred via αvβ3 integrin-mediated endocytosis. For U87 cells, the cytotoxicity of SeNPs decorated by GLP was enhanced significantly because of the induction of various apoptosis signaling pathways. Internalized GLP-SeNPs triggered intracellular reactive oxygen species downregulation. Therefore, p53, MAPKs, and AKT pathways were activated to advance cell apoptosis. These findings suggest that surface decoration of nanomaterials with GLP could be an efficient strategy for design and preparation of glioblastoma targeting nanodrugs.
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Affiliation(s)
- Wenting Jiang
- Department of Chemistry and ‡Institute of Hydrobiology, College of Life Science and Technology, Jinan University , Guangzhou 510632, China
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Nanegrungsunk D, Onchan W, Chattipakorn N, Chattipakorn SC. Current evidence of temozolomide and bevacizumab in treatment of gliomas. Neurol Res 2014; 37:167-83. [PMID: 25033940 DOI: 10.1179/1743132814y.0000000423] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE This review article summarizes in vitro, in vivo, and clinical evidence pertaining to temozolomide (TMZ) and bevacizumab (BEV) efficacy and mechanism of action in gliomas. METHODS Relevant publications published before June 2013 in PubMed database were reviewed. RESULTS Temozolomide and BEV are current chemotherapeutic agents treating patients with high-grade glioma, including glioblastoma. In vitro and in vivo studies have proposed discordant cell death pathways for TMZ as either apoptosis or autophagy using different experimental setting details or cell lines. In addition, BEV may cause cell death through hypoxia-induced autophagy or unspecific indirect effects on cancer cells. The complexity of cancer cells in glioma has contributed to their resistance of both chemotherapies. In clinical trials, overall survival duration in glioma patients with recurrence (8-9 months) is lower than that in newly diagnosed patients (12-15 months). CONCLUSION Our collected data support the addition of radiotherapy, BEV, and other targeted agents to TMZ treatment, indicating prolonged survival duration in newly diagnosed patients. However, the optimal regimen for treating high-grade glioma cannot be concluded without more clinical trials.
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Krishnamoorthy B, Karanam V, Chellan VR, Siram K, Natarajan TS, Gregory M. Polymersomes as an effective drug delivery system for glioma--a review. J Drug Target 2014; 22:469-77. [PMID: 24830300 DOI: 10.3109/1061186x.2014.916712] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Glioma is one of the most commonly occurring malignant brain tumours which need proper treatment strategy. The current therapies for treating glioma like surgical resection, radiotherapy, and chemotherapy have failed in achieving satisfactory results and this forms a rationale for the development of novel drug delivery systems. Among them, polymersomes are superior novel carriers with diverse functions like enhanced stability, low permeability, tunable membrane properties, surface functionality, and long blood circulation time which make them suitable for cancer therapy. These are bilayered vesicles capable of encapsulating both hydrophilic and hydrophobic drugs used to target glioma effectively. In this review, we have discussed on general preparation, characterization, and targeting aspects of surface modified polymersomes for effective delivery of therapeutic agents to glioma.
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Affiliation(s)
- Balakumar Krishnamoorthy
- Department of Pharmaceutics, PSG College of Pharmacy , Peelamedu, Coimbatore, Tamil Nadu , India and
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Xie Y, Li Q, Yang Q, Yang M, Zhang Z, Zhu L, Yan H, Feng R, Zhang S, Huang C, Liu Z, Wen T. Overexpression of DCF1 inhibits glioma through destruction of mitochondria and activation of apoptosis pathway. Sci Rep 2014; 4:3702. [PMID: 24424470 PMCID: PMC3892183 DOI: 10.1038/srep03702] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 12/18/2013] [Indexed: 01/29/2023] Open
Abstract
Gliomas are the most common brain tumors affecting the central nervous system and are associated with a high mortality rate. DCF1 is a membrane protein that was previously found to play a role in neural stem cell differentiation. In the present study, we found that overexpression of dcf1 significantly inhibited cell proliferation, migration, and invasion and dramatically promoted apoptosis in the glioblastoma U251 cell line. DCF1 deletion mutations in the functional region showed that the complete structure of DCF1 was necessary for apoptosis. Furthermore, significantly lower tumorigenicity was observed in athymic nude mice by transplanting U251 cells overexpressing dcf1. To decode the apoptosis induced by dcf1, mitochondrial structure and membrane potential in glioma cells were investigated and the results indicated obvious mitochondrial swelling, destruction of cristae, and a significant decline in membrane potential. Mechanismly, caspase-3 signaling was activated. Finally, endogenous dcf1 silence in U251 cells was investigated. Results showed a highly methylation at −1339 and −1322 position at dcf1 promoter sequence, revealing the causal relationship between dcf1 gene and tumorigencicity. The present study identified a previously unknown cancer apoptosis mechanism involving dcf1 overexpression and provided a novel approach to potentially treat glioma patients.
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Affiliation(s)
- Yuqiong Xie
- 1] Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China [2] Institute of Systems Biology, Shanghai University, Shanghai 200444, China [3]
| | - Qiang Li
- 1] Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China [2] Institute of Systems Biology, Shanghai University, Shanghai 200444, China [3]
| | - Qingbo Yang
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Mei Yang
- 1] Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China [2] Institute of Systems Biology, Shanghai University, Shanghai 200444, China
| | - Zhifeng Zhang
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Liucun Zhu
- Institute of Systems Biology, Shanghai University, Shanghai 200444, China
| | - Huang Yan
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Ruili Feng
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Shiqing Zhang
- 1] Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China [2] Institute of Systems Biology, Shanghai University, Shanghai 200444, China
| | - Chen Huang
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Zengrong Liu
- Institute of Systems Biology, Shanghai University, Shanghai 200444, China
| | - Tieqiao Wen
- 1] Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai 200444, China [2] Institute of Systems Biology, Shanghai University, Shanghai 200444, China
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Dimethyl phenyl piperazine iodide (DMPP) induces glioma regression by inhibiting angiogenesis. Exp Cell Res 2013; 320:354-64. [PMID: 24162003 DOI: 10.1016/j.yexcr.2013.10.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Revised: 10/04/2013] [Accepted: 10/09/2013] [Indexed: 01/09/2023]
Abstract
1,1-Dimethyl-4-phenyl piperazine iodide (DMPP) is a synthetic nicotinic acetylcholine receptor (nAChR) agonist that could reduce airway inflammation. In this study, we demonstrated that DMPP could dramatically inhibit glioma size maintained on the chick embryonic chorioallantoic membrane (CAM). We first performed MTT and BrdU incorporation experiments on U87 glioma cells in vitro to understand the mechanism involved. We established that DMPP did not significantly affect U87 cell proliferation and survival. We speculated that DMPP directly caused the tumor to regress by affecting the vasculature in and around the implanted tumor on our chick CAM model. Hence, we conducted detailed analysis of DMPP's inhibitory effects on angiogenesis. Three vasculogenesis and angiogenesis in vivo models were used in the study which included (1) early chick blood islands formation, (2) chick yolk-sac membrane (YSW) and (3) CAM models. The results revealed that DMPP directly suppressed all developmental stages involved in vasculogenesis and angiogenesis - possibly by acting through Ang-1 and HIF-2α signaling. In sum, our results show that DMPP could induce glioma regression grown on CAM by inhibiting vasculogenesis and angiogenesis.
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Association of polymorphisms in FLT3, EGFR, ALOX5, and NEIL3 with glioblastoma in the Han Chinese population. Med Oncol 2013; 30:718. [DOI: 10.1007/s12032-013-0718-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Accepted: 06/24/2013] [Indexed: 10/26/2022]
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The influence of the penetrating peptide iRGD on the effect of paclitaxel-loaded MT1-AF7p-conjugated nanoparticles on glioma cells. Biomaterials 2013; 34:5138-48. [DOI: 10.1016/j.biomaterials.2013.03.036] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 03/13/2013] [Indexed: 12/31/2022]
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Zhao M, Li A, Chang J, Fu X, Zhang Z, Yan R, Wang H, Liang S. Develop a novel superparamagnetic nano-carrier for drug delivery to brain glioma. Drug Deliv 2013; 20:95-101. [DOI: 10.3109/10717544.2013.779328] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
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Dörner L, Mustafa A, Rohr A, Mehdorn HM, Nabavi A. Growth pattern of tumor recurrence following bis-chloroethylnitrosourea (BCNU) wafer implantation in malignant glioma. J Clin Neurosci 2013; 20:429-34. [PMID: 23313517 DOI: 10.1016/j.jocn.2012.01.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2011] [Revised: 01/04/2012] [Accepted: 01/06/2012] [Indexed: 10/27/2022]
Abstract
Bis-chloroethylnitrosourea (BCNU; Gliadel, Eisai, Tokyo, Japan) is the only therapeutic agent for local chemotherapy of malignant gliomas approved by the US Food and Drug Administration and the European Medicines Agency. In a small patient cohort, it has previously been shown that glioblastomas recur locally despite treatment with BCNU. This raises concern about local treatment with BCNU as a stand-alone measure. The goal of this study was to analyze the growth pattern of tumor recurrence in a larger patient group: 41 patients were included in this study. Tumor recurrences were morphologically categorized as: local, diffuse, distant or multilocular. Thirty-three of the tumors (80%) that recurred were local or diffuse. These results show that BCNU implantation does not provide lasting local tumor control. Our data support the need to incorporate BCNU in to multimodal therapy schemes. The improved survival rates of patients who receive concomitant local and systemic adjuvant treatment support using local therapy to bridge the therapy-free interval of the initial postoperative phase.
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Affiliation(s)
- Lutz Dörner
- Department of Neurosurgery, Universitätsklinikum Schleswig-Holstein Campus, Kiel, Germany.
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Advanced materials and processing for drug delivery: the past and the future. Adv Drug Deliv Rev 2013; 65:104-20. [PMID: 23088863 DOI: 10.1016/j.addr.2012.10.003] [Citation(s) in RCA: 593] [Impact Index Per Article: 53.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Revised: 10/09/2012] [Accepted: 10/16/2012] [Indexed: 11/21/2022]
Abstract
Design and synthesis of efficient drug delivery systems are of vital importance for medicine and healthcare. Materials innovation and nanotechnology have synergistically fueled the advancement of drug delivery. Innovation in material chemistry allows the generation of biodegradable, biocompatible, environment-responsive, and targeted delivery systems. Nanotechnology enables control over size, shape and multi-functionality of particulate drug delivery systems. In this review, we focus on the materials innovation and processing of drug delivery systems and how these advances have shaped the past and may influence the future of drug delivery.
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Ratner BD, Hoffman AS, Schoen FJ, Lemons JE. Biomaterials Science: An Evolving, Multidisciplinary Endeavor. Biomater Sci 2013. [DOI: 10.1016/b978-0-08-087780-8.00153-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Chen R, Braun GB, Luo X, Sugahara KN, Teesalu T, Ruoslahti E. Application of a proapoptotic peptide to intratumorally spreading cancer therapy. Cancer Res 2012; 73:1352-61. [PMID: 23248118 DOI: 10.1158/0008-5472.can-12-1979] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Bit1 is a proapoptotic mitochondrial protein associated with anoikis. Upon cell detachment, Bit1 is released into the cytoplasm and triggers caspase-independent cell death. Bit1 consists of 179 amino acids; for the C-terminal, two thirds of the molecule functions as a peptidyl-tRNA hydrolase, whereas the N-terminus contains a mitochondrial localization signal. Here, we localize the cell death domain (CDD) to the N-terminal 62 amino acids of Bit1 by transfecting cells with truncated Bit1 cDNA constructs. CDD was more potent in killing cells than the full-length Bit1 protein when equivalent amounts of cDNA were transfected. To develop Bit1 CDD into a cancer therapeutic, we engineered a recombinant protein consisting of the CDD fused to iRGD, which is a tumor-specific peptide with unique tumor-penetrating and cell-internalizing properties. iRGD-CDD internalized into cultured tumor cells through a neuropilin-1-activated pathway and triggered cell death. Importantly, iRGD-CDD spread extensively within the tumor when injected intratumorally into orthotopically implanted breast tumors in mice. Repeated treatment with iRGD-CDD strongly inhibited tumor growth, resulting in an average reduction of 77% in tumor volume and eradication of some tumors. The caspase independence of Bit1-induced cell death makes CDD a potentially attractive anticancer agent, because tumor resistance to the main mechanisms of apoptosis is circumvented. Using iRGD to facilitate the spreading of a therapeutic agent throughout the tumor mass may be a useful adjunct to local therapy for tumors that are surgically inoperable or difficult to treat systemically.
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Affiliation(s)
- Renwei Chen
- Center for Nanomedicine, Sanford-Burnham Medical Research Institute, University of California, Santa Barbara, CA, USA
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Wang H, Su W, Wang S, Wang X, Liao Z, Kang C, Han L, Chang J, Wang G, Pu P. Smart multifunctional core-shell nanospheres with drug and gene co-loaded for enhancing the therapeutic effect in a rat intracranial tumor model. NANOSCALE 2012; 4:6501-6508. [PMID: 22961067 DOI: 10.1039/c2nr31263h] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Glioblastoma with high mortality has been one of the most serious cancers threatening human health. Because of the present treatment limitations, there is an urgent need to construct a multifunctional vesicle for enhancing the treatment of in situ malignant glioblastoma. In our study, drug and gene co-loaded magnetic PLGA/multifunctional polymeric liposome (magnetic PLGA/MPLs) core-shell nanospheres were constructed. They were mainly self-assembled from two parts: hydrophobic PLGA cores that can load drugs and magnetic nanocrystals; and polymeric lipid shells anchored with functional molecules such as PEG chains, TAT peptides and RGD peptides that can help the vectors to condense the gene, prolong the circulation time, cross the blood brain barrier and target delivery to the cancer tissue. The results showed that the magnetic PLGA/MPLs nanosphere has a nanosized core-shell structure, can achieve sustained drug release and has good DNA binding abilities. Importantly, compared with the control group and other groups with single functionality, it can co-deliver the drug and gene into the same cell in vitro and show the strongest inhibiting effect on the growth of the in situ malignant glioblastoma in vivo. All of these results indicated that the different functional components of magnetic PLGA/MPLs, can form an organic whole and none of them can be dispensed with. The magnetic PLGA/MPLs nanosphere may be another option for treatment of glioblastoma.
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Affiliation(s)
- HanJie Wang
- Institute of Nanobiotechnology, School of Materials Science and Engineering, Tianjin University and Tianjin Key Laboratory of Composites and Functional Materials, Tianjin, 300072, PR China
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Gao H, Qian J, Yang Z, Pang Z, Xi Z, Cao S, Wang Y, Pan S, Zhang S, Wang W, Jiang X, Zhang Q. Whole-cell SELEX aptamer-functionalised poly(ethyleneglycol)-poly(ε-caprolactone) nanoparticles for enhanced targeted glioblastoma therapy. Biomaterials 2012; 33:6264-72. [DOI: 10.1016/j.biomaterials.2012.05.020] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Accepted: 05/10/2012] [Indexed: 01/04/2023]
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48
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Attenello F, Raza SM, Dimeco F, Olivi A. Chemotherapy for brain tumors with polymer drug delivery. HANDBOOK OF CLINICAL NEUROLOGY 2012; 104:339-53. [PMID: 22230452 DOI: 10.1016/b978-0-444-52138-5.00022-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Frank Attenello
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD, USA
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49
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Retrospective Comparison of Chemoradiotherapy Followed by Adjuvant Chemotherapy, With or Without Previous Gliadel Implantation (Carmustine) After Initial Surgery in Patients With Newly Diagnosed High-Grade Gliomas: In Regard to Noel et al. (Int J Radiat Oncol Biol Phys 2011; DOI: 10.1016/j.ijrobp.2010.11.073). Int J Radiat Oncol Biol Phys 2011; 81:1593. [DOI: 10.1016/j.ijrobp.2011.06.1966] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Accepted: 06/04/2011] [Indexed: 11/23/2022]
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50
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The legacy of nanotechnology: revolution and prospects in neurosurgery. Int J Surg 2011; 9:608-14. [PMID: 22027280 DOI: 10.1016/j.ijsu.2011.10.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Revised: 09/26/2011] [Accepted: 10/11/2011] [Indexed: 10/16/2022]
Abstract
Nanotechnology has been an ever-growing field since the discovery of carbon fullerenes, and is being assimilated progressively into a variety of other disciplines including medical science. The association with neurosurgery had initially been less well characterized compared to other organ systems, but has recently offered promising future potential for a wide range of utilities including new therapeutic options for Glioblastoma Multiforme, neurprotection against oxidative stress, nerve nanorepair, nanodiagnosis of Alzheimer's disease, nanoimaging with nanoparticles and quantum dots, nanomanipulation of CNS with surgical nanobots, and nanoneuromodulation with nanofibres & nanowires. This article examines such potentials as well as others, of the utility of nanotechnology in Neurosurgery.
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