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Krassnig S, Leber SL, Orthmann A, Golob-Schwarzl N, Huber HJ, Wohlrab C, Skofler C, Pennauer M, Raicht A, Birkl-Toeglhofer AM, Naumann M, Mahdy-Ali K, von Campe G, Leoni M, Alcaniz J, Hoffmann J, Wälchli T, Weis S, Benesch M, Haybaeck J. Decreased eukaryotic initiation factors expression upon temozolomide treatment-potential novel implications for eIFs in glioma therapy. J Neurooncol 2023; 165:91-100. [PMID: 37907716 PMCID: PMC10638187 DOI: 10.1007/s11060-023-04451-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/12/2023] [Indexed: 11/02/2023]
Abstract
PURPOSE Since glioma therapy is currently still limited until today, new treatment options for this heterogeneous group of tumours are of great interest. Eukaryotic initiation factors (eIFs) are altered in various cancer entities, including gliomas. The purpose of our study was to evaluate the potential of eIFs as novel targets in glioma treatment. METHODS We evaluated eIF protein expression and regulation in 22 glioblastoma patient-derived xenografts (GBM PDX) after treatment with established cytostatics and with regards to mutation profile analyses of GBM PDX. RESULTS We observed decreased expression of several eIFs upon temozolomide (TMZ) treatment independent from the phosphatidylinositol 3-kinase (PI3K)/ AKT/ mammalian target of the rapamycin (mTOR) signalling pathway. These effects of TMZ treatment were not present in TMZ-resistant PDX. Combination therapy of regorafenib and TMZ re- established the eIF/AKT/mTOR axis. CONCLUSION Our study provides novel insights into chemotherapeutic effects on eIF regulation in gliomas and suggests that eIFs are interesting candidates for future research to improve glioma therapy.
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Affiliation(s)
- Stefanie Krassnig
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
| | - Stefan L Leber
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
- Division of Neuroradiology, Vascular & Interventional Radiology, Department of Radiology, Medical University of Graz, Auenbruggerplatz 9, Graz, 8036, Austria
| | | | - Nicole Golob-Schwarzl
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
- Center for Biomarker Research in Medicine, Graz, Austria
| | - Heinrich Johann Huber
- Drug Discovery Sciences, Dr. Boehringer Gasse 5-11 A-1121, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - Christina Wohlrab
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
| | - Christina Skofler
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
- Center for Biomarker Research in Medicine, Graz, Austria
| | - Mirjam Pennauer
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
| | - Andrea Raicht
- Division of Paediatric Haematology and Oncology, Department of Paediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria
| | - Anna Maria Birkl-Toeglhofer
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
- Department of Pathology, Medical University of Innsbruck, Müllerstraße 44, Innsbruck, 6020, Austria
| | - Michael Naumann
- Institute of Experimental Internal Medicine, Otto Von Guericke University, Magdeburg, Germany
| | - Kariem Mahdy-Ali
- Department of Neurosurgery, Medical University of Graz, Graz, Austria
| | - Gord von Campe
- Department of Neurosurgery, Medical University of Graz, Graz, Austria
| | - Marlene Leoni
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria
| | | | | | - Thomas Wälchli
- Group of CNS Angiogenesis and Neurovascular Link, Neuroscience Center Zurich, Division of Neurosurgery, University and University Hospital Zurich, Zurich, Switzerland
- Division of Neurosurgery, University Hospital Zurich, Zurich, Switzerland
- Group Brain Vasculature and Perivascular Niche, Division of Experimental and Translational Neuroscience, Krembil Brain Institute, Toronto Western Hospital, University Health Network, Krembil Research Institute, University of Toronto, Toronto, ON, Canada
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada
| | - Serge Weis
- Division of Neuropathology, Kepler University Hospital, Johannes Kepler University, Neuromed Campus, Linz, Austria
| | - Martin Benesch
- Division of Paediatric Haematology and Oncology, Department of Paediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria
| | - Johannes Haybaeck
- Diagnostic & Research Center for Molecular BioMedicine, Department of Neuropathology, Institute of Pathology, Medical University of Graz, Graz, Austria.
- Center for Biomarker Research in Medicine, Graz, Austria.
- Department of Pathology, Medical University of Innsbruck, Müllerstraße 44, Innsbruck, 6020, Austria.
- Department of Pathology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
- German Center for Neurodegenerative Diseases (DZNE), Magdeburg, Germany.
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Sun P, Wu Z, Xiao Y, Wu H, Di Q, Zhao X, Quan J, Tang H, Wang Q, Chen W. TfR-T12 short peptide and pH sensitive cell transmembrane peptide modified nano-composite micelles for glioma treatment via remodeling tumor microenvironment. Nanomedicine 2022; 41:102516. [PMID: 35131469 DOI: 10.1016/j.nano.2022.102516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 11/18/2021] [Accepted: 01/07/2022] [Indexed: 10/19/2022]
Abstract
Two kinds of amphiphilic block copolymers of TfR-T12-PEG-PLGA and TATH7-PEG-PLGA were synthesized to self-assembly nano-composite micelles for encapsulating paclitaxel and imiquimod synchronously. TfR-T12 peptide modified nano-composite micelles can pass through BBB in a TfR-mediated way to achieve targeted delivery of chemotherapeutic drugs, and pH sensitive TATH7 peptide modified nano-composite micelles enhanced uptake efficiency more significantly under pH 5.5 medium than pH 7.4 medium. The results of pharmacodynamic evaluation in vivo showed that the nano-composite micelles had achieved good anti-tumor effect in subcutaneous and normotopia glioma models, and effectively prolonged the life cycle of tumor-bearing mice. The nano-composite micelles regulated the immunosuppression phenomenon of tumor microenvironment significantly, and promoted the M1 polarization of TAMs, then enhanced the proliferation and activation of CD8+ T cells in tumor microenvironment. It comes to conclusion that the nano-composite micelle achieves the purpose of effective treatment of glioma by chemotherapy combined with immunotherapy.
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Affiliation(s)
- Ping Sun
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China; Institute of Pharmaceutics, School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - Zherui Wu
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Yue Xiao
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Han Wu
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Qianqian Di
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Xibao Zhao
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Jiazheng Quan
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Haimei Tang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Qingqing Wang
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Weilin Chen
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Shenzhen University School of Medicine, Shenzhen, China.
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Yang Y, Zhang X, Wu S, Zhang R, Zhou B, Zhang X, Tang L, Tian Y, Men K, Yang L. Enhanced nose-to-brain delivery of siRNA using hyaluronan-enveloped nanomicelles for glioma therapy. J Control Release 2021; 342:66-80. [PMID: 34973309 DOI: 10.1016/j.jconrel.2021.12.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 12/23/2021] [Accepted: 12/26/2021] [Indexed: 02/05/2023]
Abstract
Gliomas are the most malignant brain tumors, and their treatment is very challenging because of the presence of the blood-brain barrier (BBB). Intranasal administration has been considered a noninvasive strategy for glioma therapy in recent years, but our explorations of the intranasal delivery of siRNA-based therapies are still clearly inadequate. In this study, the cell-penetrating peptide DP7-C was enveloped with hyaluronic acid (HA) to develop the multifunctional core-shell structure nanomicelle HA/DP7-C. In vitro studies of HA/DP7-C revealed low cytotoxicity and a higher cell uptake efficiency, which was associated with the interaction between HA and CD44. In vivo experiments indicated that HA/DP7-C delivered the siRNA to the central nervous system through the trigeminal nerve pathway within hours after intranasal administration and that the interaction between HA and CD44 also increased its accumulation at the tumor site. Successful intracellular delivery of an antiglioma siRNA inhibited tumor growth and ultimately prolonged the survival time and decreased the tumor volume in GL261 tumor-bearing mice. In addition, toxicity tests on rats showed no adverse effects on the nasal mucosa and trigeminal nerves. In conclusion, HA/DP7-C is a potential intranasal delivery system for siRNAs in glioma therapy.
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Affiliation(s)
- YuLing Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - XueYan Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - SiWen Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Rui Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - BaiLing Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - XiaoYu Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Lin Tang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Yaomei Tian
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Ke Men
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Li Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China.
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Wang Z, Yao J, Guan Z, Wu H, Cheng H, Yan G, Tang R. pH-triggered small molecule nano-prodrugs emulsified from tryptamine-cinnamaldehyde twin drug for targeted synergistic glioma therapy. Colloids Surf B Biointerfaces 2021; 207:112052. [PMID: 34416443 DOI: 10.1016/j.colsurfb.2021.112052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/08/2021] [Accepted: 08/13/2021] [Indexed: 10/20/2022]
Abstract
Chemotherapy fails to achieve an ideal gliomas therapy due to the limited delivery of chemotherapeutics across the blood brain barrier (BBB), difficult accumulation of drugs in the gliomas area, and off-target toxicity. Herein, the pH-triggered small molecule nano-prodrugs (Try-CA-NPs) emulsified from hydrophobic tryptamine (Try)-cinnamaldehyde (CA) twin drug were successfully prepared through a facile method. Try-CA-NPs exhibited long-term storage and circulation stability. Furthermore, liposoluble Try-CA-NPs could easily cross BBB and efficiently accumulate in brain, selectively target to gliomas cells via Try-mediated cellular uptake, and enhance cytotoxicity through intracellular pH-triggered endosomal escape and efficient drug release, and synergistic effect between CA and Try, therefore achieving the complete destruction of SH-SY5Y multicellular spheroids (MCs). Thus, the pH-triggered small molecule nano-prodrugs emulsified from Try-CA twin drug have the great potential for clinically targeted synergistic glioma therapy.
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Affiliation(s)
- Zhexiang Wang
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China
| | - Jinzhu Yao
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China
| | - Zhaoyuan Guan
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China
| | - Haifang Wu
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China
| | - Huazheng Cheng
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China
| | - Guoqing Yan
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China.
| | - Rupei Tang
- Engineering Research Center for Biomedical Materials, Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, 111 Jiulong Road, Hefei, Anhui Province, 230601, PR China.
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Lan QH, Du CC, Yu RJ, Zhai J, Shi Y, Kou L, Xiao J, Lu CT, Zhao YZ, Yao Q. Disulfiram-loaded copper sulfide nanoparticles for potential anti- glioma therapy. Int J Pharm 2021; 607:120978. [PMID: 34371152 DOI: 10.1016/j.ijpharm.2021.120978] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/22/2021] [Accepted: 08/04/2021] [Indexed: 01/11/2023]
Abstract
Disulfiram (DSF) is an effective copper (Cu2+)-dependent antitumor agent. In the present study, we explored use of transferrin (Tf)-modified DSF/copper sulfide (CuS) nanocomplex (Tf-DSF/CuS) for glioma therapy. Tf was used as glioma targeting motifs, DSF as an anticancer agent, and CuS as a source of Cu2+ ions and a photothermal agent. DSF was loaded on CuS by metal-chelation, and released from the nanocomplex under acidic condition. The Tf-DSF/CuS complex exhibited high cytotoxic effect in vitro. Notably, cytotoxic activity was correlated with pH triggered release of Cu2+ which initiated non-toxicity to toxicity switch of DSF. Ultrasound-targeted microbubble destruction (UTMD) technique was used for highly selective accumulation of intravenous injected Tf-DSF/CuS in the glioma orthotopic tumor as compared with the free drugs and non-targeted DSF/CuS groups. Magnetic resonance imaging and pathological examinations showed that Tf-DSF/CuS effectively suppressed tumor growth, with an inhibition ratio of ~85%. Additionally, DSF load did not compromise photothermal conversion ability of CuS nanoparticles. Efficacy of the photothermal ablation therapy of Tf-DSF/CuS was evaluated under 808 nm laser irradiation both in vitro and in vivo. These findings show that copper-sulfide based disulfiram nanoparticles are effective agents for anti-glioma therapy.
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Zhu J, Zhang Y, Chen X, Zhang Y, Zhang K, Zheng H, Wei Y, Zheng H, Zhu J, Wu F, Piao JG, Zhu Z, Li F. Angiopep-2 modified lipid-coated mesoporous silica nanoparticles for glioma targeting therapy overcoming BBB. Biochem Biophys Res Commun 2021; 534:902-7. [PMID: 33162028 DOI: 10.1016/j.bbrc.2020.10.076] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 10/27/2020] [Indexed: 12/21/2022]
Abstract
Glioma is the most typical malignant brain tumor, and the chemotherapy to glioma is limited by poor permeability for crossing blood-brain-barrier (BBB) and insufficient availability. In this study, angiopep-2 modified lipid-coated mesoporous silica nanoparticle loading paclitaxel (ANG-LP-MSN-PTX) was developed to transport paclitaxel (PTX) across BBB mediated by low-density lipoprotein receptor-related protein 1 (LRP1), which is over-expressed on both BBB and glioma cells. ANG-LP-MSN-PTX was characterized with homogeneous hydrodynamic size, high drug loading capacity (11.08%) and a sustained release. In vitro experiments demonstrated that the targeting efficiency of PTX was enhanced by ANG-LP-MSN-PTX with higher penetration ability (10.74%) and causing more C6 cell apoptosis. ANG-LP-MSN-PTX (20.6%) revealed higher targeting efficiency compared with LP-MSN-PTX (10.6%) via blood and intracerebral microdialysis method in the pharmacokinetic study. The therapy of intracranial C6 glioma bearing rats was increasingly efficient, and ANG-LP-MSN-PTX could prolong the survival time of model rats. Taken together, ANG-LP-MSN-PTX might hold great promise as a targeting delivery system for glioma treatment.
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Cioni C, Tassi M, Marotta G, Mugnaini C, Corelli F, Annunziata P. A Novel Highly Selective Cannabinoid CB2 Agonist Reduces in vitro Growth and TGF-beta Release of Human Glial Cell Tumors. Cent Nerv Syst Agents Med Chem 2020; 19:206-214. [PMID: 31549596 DOI: 10.2174/1871524919666190923154351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/23/2019] [Accepted: 09/02/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Cannabinoid receptors have been detected in human gliomas and cannabinoids have been proposed as novel drug candidates in the treatment of brain tumors. AIMS To test the in vitro antitumor activity of COR167, a novel cannabinoid CB2-selective agonist displaying a high binding affinity for human CB2 receptors, on tumor cells isolated from human glioblastoma multiforme and anaplastic astrocytoma. METHODS Glioma cell cultures were established from two glioblastoma multiforme and two anaplastic astrocytomas. Proliferation was measured in the presence or absence of COR167 with a bromodeoxyuridine (BrdU) cell proliferation ELISA assay. CB2 receptor expression was detected by western blotting. Apoptosis was assessed with phycoerythrin (PE) annexin V flow cytometry kit. TGF-beta 1 and 2 levels were analyzed in culture supernatants with commercial ELISAs. RESULTS COR167 was found to significantly reduce the proliferation of both glioblastoma and anaplastic astrocytoma in a dose-dependent manner at lower doses than other known, less specific CB2 agonists. This activity is independent of apoptosis and is associated with a significant reduction of TGF-beta 1 and 2 levels in supernatants of glioma cell cultures. CONCLUSION These findings add to the role of cannabinoid CB2 receptor as a possible pharmacological target to counteract glial tumor growth and encourage further work to explore any other pharmacological effect of this novel CB2 agonist useful in the treatment of human gliomas.
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Affiliation(s)
- Chiara Cioni
- Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy
| | - Maristella Tassi
- Stem Cell Transplant and Cellular Therapy Unit, University Hospital, Siena, Italy
| | - Giuseppe Marotta
- Stem Cell Transplant and Cellular Therapy Unit, University Hospital, Siena, Italy
| | - Claudia Mugnaini
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Federico Corelli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Pasquale Annunziata
- Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy
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Banerjee I, De K, Mukherjee D, Dey G, Chattopadhyay S, Mukherjee M, Mandal M, Bandyopadhyay AK, Gupta A, Ganguly S, Misra M. Paclitaxel-loaded solid lipid nanoparticles modified with Tyr-3-octreotide for enhanced anti-angiogenic and anti- glioma therapy. Acta Biomater 2016; 38:69-81. [PMID: 27109765 DOI: 10.1016/j.actbio.2016.04.026] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 03/05/2016] [Accepted: 04/18/2016] [Indexed: 11/19/2022]
Abstract
UNLABELLED Somatostatin receptors (SSTRs) especially subtype 2 (SSTR2) are overexpressed in glioma. By taking advantage of the specific expression of SSTR2 on both glioma neovasculature endothelial cells and glioma cells, we constructed Tyr-3-octreotide (TOC)-modified solid lipid nanoparticles (SLN) loaded with paclitaxel (PTX) to enable tumor neovasculature and tumor cells dual-targeting chemotherapy. In this work, a TOC-polyethylene glycol-lipid (TOC-PEG-lipid) was successfully synthesized and used as a targeting molecule to enhance anticancer efficacy of PTX loaded sterically stabilized lipid nanoparticles. The prepared PTX-loaded SLN modified with TOC (PSM) was characterized by standard methods. In rat C6 glioma cells, PSM improved PTX induced apoptosis. Both tube formation assay and CD31 staining of treated orthotopic glioma tissues confirmed that PSM significantly improved the antiangiogenic ability of PTX in vitro and in vivo, respectively. Radiolabelled PSM achieved a much higher and specific accumulation within the glioma as suggested by the biodistribution and imaging studies. Furthermore, PSM exhibited improved anti-glioma efficacy over unmodified nanoparticles and Taxol in both subcutaneous and orthotopic tumor models. These findings collectively indicate that PSM holds great potential in improving the efficacy of anti-glioma therapy. STATEMENT OF SIGNIFICANCE Somatostatin receptors (SSTRs) especially subtype 2 (SSTR2) are overexpressed in various mammalian cancer cells. Proliferating endothelial cells of neovasculature also express SSTR2. Tyr-3-octreotide (TOC) is a known ligand for SSTR2. We have successfully prepared paclitaxel-loaded solid lipid nanoparticles modified with TOC (PSM) having diameter less than 100nm. We found that PSM improved anti-cancer efficacy of paclitaxel in SSTR2 positive glioma of rats. This improved anti-glioma efficiency of PSM can be attributed to dual-targeting (i.e. tumor cell and neovasculature targeting) efficiency of PSM and promoted anti-cancer drug accumulation at tumor site due to TOC modification of solid lipid nanoparticles. This particular study aims at widening the scope of octreotide-derivative modified nanocarrier by exploring dual-targeting potential of PSM.
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Affiliation(s)
- Indranil Banerjee
- Department of Infectious Diseases and Immunology (Nuclear Medicine Division), CSIR-IICB, 4 Raja S C Mullick Road, Kolkata 700032, India.
| | - Kakali De
- Department of Infectious Diseases and Immunology (Nuclear Medicine Division), CSIR-IICB, 4 Raja S C Mullick Road, Kolkata 700032, India
| | - Dibyanti Mukherjee
- Department of Infectious Diseases and Immunology (Nuclear Medicine Division), CSIR-IICB, 4 Raja S C Mullick Road, Kolkata 700032, India
| | - Goutam Dey
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Sankha Chattopadhyay
- Radiopharmaceuticals Laboratory, Regional Centre, Board of Radiation and Isotope Technology, Variable Energy Cyclotron Centre, 1/AF, Bidhan Nagar, Kolkata 700064, India
| | | | - Mahitosh Mandal
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Amal Kumar Bandyopadhyay
- Division of Pharmaceutics, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Amit Gupta
- Regional Radiation Medicine Centre, Thakurpukur Cancer Research Centre, Kolkata 700063, India
| | - Santanu Ganguly
- Regional Radiation Medicine Centre, Thakurpukur Cancer Research Centre, Kolkata 700063, India
| | - Mridula Misra
- Department of Infectious Diseases and Immunology (Nuclear Medicine Division), CSIR-IICB, 4 Raja S C Mullick Road, Kolkata 700032, India.
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Gu G, Hu Q, Feng X, Gao X, Menglin J, Kang T, Jiang D, Song Q, Chen H, Chen J. PEG-PLA nanoparticles modified with APTEDB peptide for enhanced anti-angiogenic and anti- glioma therapy. Biomaterials 2014; 35:8215-26. [PMID: 24974009 DOI: 10.1016/j.biomaterials.2014.06.022] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 06/09/2014] [Indexed: 12/12/2022]
Abstract
Tumor neovasculature and tumor cells dual-targeting chemotherapy can not only destroy the tumor neovasculature, cut off the supply of nutrition and starve the tumor cells, but also directly kill tumor cells, holding great potential in overcoming the drawbacks of anti-angiogenic therapy only and improving the anti-glioma efficacy. In the present study, by taking advantage of the specific expression of fibronectin extra domain B (EDB) on both glioma neovasculature endothelial cells and glioma cells, we constructed EDB-targeted peptide APTEDB-modified PEG-PLA nanoparticles (APT-NP) for paclitaxel (PTX) loading to enable tumor neovasculature and tumor cells dual-targeting chemotherapy. PTX-loaded APT-NP showed satisfactory encapsulated efficiency, loading capacity and size distribution. In human umbilical vein endothelial cells, APT-NP exhibited significantly elevated cellular accumulation via energy-dependent, caveolae and lipid raft-involved endocytosis, and improved PTX-induced apoptosis therein. Both in vitro tube formation assay and in vivo matrigel angiogenesis analysis confirmed that APT-NP significantly improved the antiangiogenic ability of PTX. In U87MG cells, APT-NP showed elevated cellular internalization and also enhanced the cytotoxicity of the loaded PTX. Following intravenous administration, as shown by both in vivo live animal imaging and tissue distribution analysis, APT-NP achieved a much higher and specific accumulation within the glioma. As a result, APT-NP-PTX exhibited improved anti-glioma efficacy over unmodified nanoparticles and Taxol(®) in both subcutaneous and intracranial U87MG xenograft models. These findings collectively indicated that APTEDB-modified nanoparticles might serve as a promising nanocarrier for tumor cells and neovasculature dual-targeting chemotherapy and hold great potential in improving the efficacy anti-glioma therapy.
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Affiliation(s)
- Guangzhi Gu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China; Shanghai Institute for Food and Drug Control (SIFDC), 479 Futexi First Road, Shanghai 200131, PR China
| | - Quanyin Hu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China
| | - Xingye Feng
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China
| | - Xiaoling Gao
- Department of Pharmacology, Institute of Medical Sciences, Shanghai Jiaotong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, PR China
| | - Jiang Menglin
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China
| | - Ting Kang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China
| | - Di Jiang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China
| | - Qingxiang Song
- Department of Pharmacology, Institute of Medical Sciences, Shanghai Jiaotong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, PR China
| | - Hongzhuan Chen
- Department of Pharmacology, Institute of Medical Sciences, Shanghai Jiaotong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, PR China
| | - Jun Chen
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, Lane 826, Zhangheng Road, Shanghai 201203, PR China.
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