Name: intranasal delivery of therapeutic stem cells to glioblastoma in a mouse model
Uploaded: 2017-06-04T15:00:00.000+00:00
Duration: 9 min 57 s
Description: Watch this Scientific Journal Video about Intranasal Delivery of Therapeutic Stem Cells to Glioblastoma in a Mouse Model at JoVE.com

Diese Arbeit wurde von NIH R01NS087990 (MSL, IVB) unterstützt.

<ol>
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H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Targeting+rat+brainstem+glioma+using+human+neural+stem+cells+and+human+mesenchymal+stem+cells.">Targeting rat brainstem glioma using human neural stem cells and human mesenchymal stem cells.</a> Clin Cancer Res. 15 (15), 4925-4934 (2009).</li><li>Lesniak, M. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Targeted+therapy+for+malignant+glioma:+neural+stem+cells.">Targeted therapy for malignant glioma: neural stem cells.</a> Expert Rev Neurother. 6 (1), 1-3 (2006).</li><li>Robinson, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=GLPs+and+the+Importance+of+Standard+Operating+Procedures.">GLPs and the Importance of Standard Operating Procedures.</a> BioPharm International. 16 (8), (2003).</li><li>World Health Organization on behalf of the Special Programme for Research and Training in Tropical Diseases. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Handbook: Good Laboratory Practice (GLP). , (2009).</li><li>NIH. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Number: NOT-OD-16-011. Implementing Rigor and Transparency) in NIH &amp; AHRQ Research Grant Applications. , (2015).</li><li>Wakimoto, H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Maintenance+of+primary+tumor+phenotype+and+genotype+in+glioblastoma+stem+cells.">Maintenance of primary tumor phenotype and genotype in glioblastoma stem cells.</a> Neuro Oncol. 14 (2), 132-144 (2012).</li><li>Cheng, S. H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Dynamic+In+Vivo+SPECT+Imaging+of+Neural+Stem+Cells+Functionalized+with+Radiolabeled+Nanoparticles+for+Tracking+of+Glioblastoma.">Dynamic In Vivo SPECT Imaging of Neural Stem Cells Functionalized with Radiolabeled Nanoparticles for Tracking of Glioblastoma.</a> J Nucl Med. 57 (2), 279-284 (2016).</li><li>Pritchett-Corning, K. R., Luo, Y., Mulder, G. B., White, W. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Principles+of+rodent+surgery+for+the+new+surgeon.">Principles of rodent surgery for the new surgeon.</a> J Vis Exp. (47), (2011).</li><li>Clark, A. J., Fakurnejad, S., Ma, Q., Hashizume, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Bioluminescence+Imaging+of+an+Immunocompetent+Animal+Model+for+Glioblastoma.">Bioluminescence Imaging of an Immunocompetent Animal Model for Glioblastoma.</a> J Vis Exp. (107), (2016).</li><li>Ulasov, I. V., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Survivin-driven+and+fiber-modified+oncolytic+adenovirus+exhibits+potent+antitumor+activity+in+established+intracranial+glioma.">Survivin-driven and fiber-modified oncolytic adenovirus exhibits potent antitumor activity in established intracranial glioma.</a> Hum Gene Ther. 18 (7), 589-602 (2007).</li><li>Danielyan, L., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+delivery+of+cells+to+the+brain.">Intranasal delivery of cells to the brain.</a> Eur J Cell Biol. 88 (6), 315-324 (2009).</li><li>Dhuria, S. V., Hanson, L. R., Frey, W. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intranasal+delivery+to+the+central+nervous+system:+mechanisms+and+experimental+considerations.">Intranasal delivery to the central nervous system: mechanisms and experimental considerations.</a> J Pharm Sci. 99 (4), 1654-1673 (2010).</li><li>Gross, E. A., Swenberg, J. A., Fields, S., Popp, J. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparative+morphometry+of+the+nasal+cavity+in+rats+and+mice.">Comparative morphometry of the nasal cavity in rats and mice.</a> J Anat. 135 (Pt 1), 83-88 (1982).</li><li>Marieb, E. N., Hoehn, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Human Anatomy &amp; Physiology. , (2007).</li></ol>

Autoren haben keinen Interessenkonflikt zu erklären.

Obwohl der intranasale Weg der Arzneimittelabgabe für kleine Moleküle, Nanomedizin und Proteinverbindungen gleichermaßen 18 weitgehend untersucht wurde, ist die Anwendung von therapeutischen Stammzellen für das intranasale Hirntumor-Targeting im Spektrum der Hirntumor-Therapeutika unter Entwicklung 2 , 3 , 4 Es gibt intrinsische Komplexitäten, die sich auf das Verhalten der Stammzellen in der Nasenh...

Niedrige Toxizität, niedrige Immunogenität und intrinsischer Hirntumortropismus menschlicher Stammzellen sind attraktive Merkmale für die Lieferung von therapeutischen Fahrzeugen 1 . Neuartige Stammzell-basierte Therapeutika für maligne Hirntumoren sind vielversprechende Innovationen, die in den letzten Jahren entwickelt wurden, und die intranasale Anpassung dieser therapeutischen Strategie stellt einen Sprung zur klinischen Übersetzung dar, da nicht-invasive und wiederholte Verabreichung die Barriere für Patientenanwendungen drastisch reduzieren könnte Kann für ambulante Dienstleistungen ohne allgemeine Anästhesie oder langwierigen stationären Dienst, die mit invasiven chirurgischen Verfahren 1 , 2 , 3 , 4 verbunden sind , anpassbar sein. Wir und andere haben den intranasalen Weg der Stammzell-Anlieferung an Hirntumoren vorangetrieben und haben die Grundlagen für einige der Grundprinzipien gelegtDer Translationsforschung mit den Maus-Xenotransplantatmodellen 2 , 3 , 4 sowie die Migration von Stammzellen in vivo mittels Magnetresonanztomographie (MRI) Reagenzträger 2 untersucht. Durch diese Pilot-Explorationen haben wir umfangreiche Erfahrungen gesammelt und sich erkundigt, wie man eine robuste präklinische Evaluationsstrategie mit gut etablierten Patient-Xenotransplantat (PDX) -Mausmodellen des malignen Glioms konstruiert und dabei die Untersuchungslösung zur Untersuchung der Nuancierte mechanistische Details der anspruchsvollen biologischen Phänomene des intranasalen Hirneintrags von therapeutischen Stammzellen, die an die Nasenhöhle abgegeben wurden. Hier beschreiben wir die Prinzipien eines standardisierten Betriebsprotokolls, um den aktuellen Stand der experimentellen Untersuchungen unter Verwendung einer gut etablierten menschlichen neuralen Stammzelllinie HB1.F3.CD 5 zu demonstrieren <sup&gt;, 6 , 7 , 8 , die leicht modifizierbar ist, um sich an spezifische Tumormodelle oder Strategien anzupassen, die menschliche Stammzellen als therapeutische Träger verwenden.

<table><tbody><tr><td>Stereotaxic frame</td><td>Kopf Instruments</td><td>Model 900</td><td></td></tr><tr><td>Hypoxic Cell Culture Incubator</td><td>ThermoFisher Scientific</td><td>VIOS 160i</td><td></td></tr><tr><td>Cell culture supplies (Plastics)</td><td>ThermoFisher Scientific</td><td>Varies</td><td>Replaceable with any source</td></tr><tr><td>Legend Micro 21R Refrigerated Microcentrifuge</td><td>ThermoFisher Scientific</td><td>75002490</td><td>Replaceable with any source</td></tr><tr><td>Bench centrifuge Sorvall ST16R&amp;nbsp;</td><td>ThermoFisher Scientific</td><td>75004240</td><td>Replaceable with any source</td></tr><tr><td>Micro syringe 702N 25 &amp;micro;l (22S/2&quot;/2)</td><td>Hamilton Company</td><td>80400</td><td>Flat tip</td></tr><tr><td>Sample Tray for Irradiator</td><td>Best Theratronics</td><td>A13826</td><td>To set up mice protection with lead shield</td></tr><tr><td>Leica DMi8 Microscope</td><td>Leica Microsystem</td><td></td><td>Custom setup</td></tr><tr><td>Leica CM1860 UV cryostat</td><td>Leica Microsystem</td><td></td><td>Custom setup</td></tr><tr><td>Exel International Insulin Syringe</td><td>ThermoFisher Scientific</td><td>14-841-31</td><td></td></tr><tr><td>Corning Phosphate Buffer Saline</td><td>Corning Cellgro/ThermoFisher</td><td>21-031-CV</td><td></td></tr><tr><td>Dulbecco&#039;s Modified Eagle Medium&amp;nbsp;</td><td>Corning Cellgro/ThermoFisher</td><td>11965-084</td><td></td></tr><tr><td>Trypsin 0.05%</td><td>Corning Cellgro/ThermoFisher</td><td>25300054</td><td></td></tr><tr><td>Hyaluronidase from bovine testes</td><td>MilliporeSigma</td><td>H3506</td><td></td></tr></tbody></table>

intranasal delivery of therapeutic stem cells to glioblastoma in a mouse model

Der intrinsische Tropismus gegenüber Gehirnmalignitäten macht Stammzellen als vielversprechende Träger von Therapeutika gegen bösartige Tumore. Die Bereitstellung von therapeutischen Stammzellen über die intranasale Route ist eine kürzlich entdeckte Alternativstrategie mit einem starken Potenzial für die klinische Translation aufgrund ihrer nicht-invasiven Natur im Vergleich zur intrakraniellen Implantation oder Lieferung über systemische Wege. Der Mangel an Blut-Hirn-Schranke stärkt das therapeutische Potenzial von Stammzellen, die sich dem intranasalen Hirneintritt unterziehen. Dieser Artikel fasst die wesentlichen Techniken zusammen, die in unseren Studien verwendet werden, und skizziert die Grundprinzipien der intranasalen Strategie für die Stammzelllieferung unter Verwendung eines Mausmodells von intrakranialen Gliom-Xenotransplantaten. Wir zeigen die optimierten Verfahren, die mit konkreten und reproduzierbaren Ergebnissen konsequent und reproduzierbare Ergebnisse liefern und Leitlinien für einen effizienteren Arbeitsablauf bieten, die eine effiziente Ausführung und einen zuverlässigen Erfahrungsprozess gewährleistenNtal Ergebnis Der Artikel soll als Grundlage für weitere experimentelle Anpassung auf der Grundlage von Hypothesen, Stammzelltypen oder Tumorspezifika dienen.

Sowohl die hypoxische Vorbehandlung ( 4A ) 4 als auch die CXCR4-Überexpression ( 4B und 4C ) 4 signifikant hochregulieren die Zelle Membran Präsenz von CXCR4-Rezeptoren, wie durch Durchflusszytometrie gezeigt. Der Tumor-Tropismus, der von NSCs (blaue Pfeile) gezeigt wird, wird in der Tumorgewebe-Histologie (roter Kreis) gezeigt. Die Anwesenheit von MPIO-markierten ( <strong c...

Watch this Scientific Journal Video about Intranasal Delivery of Therapeutic Stem Cells to Glioblastoma in a Mouse Model at JoVE.com

Intranasal Delivery of Therapeutic Stem Cells to Glioblastoma in a Mouse Model

Stammzellen sind vielversprechende therapeutische Träger, um Hirntumoren aufgrund ihrer intrinsischen Tumor-Tropismus zu behandeln. Nicht-invasive intranasale Stammzell-Abgabe umgeht die Blut-Hirn-Schranke und zeigt ein starkes Potenzial für die klinische Übersetzung. Dieser Artikel fasst die Grundprinzipien der intranasalen Stammzellabgabe in einem Mausmodell des Glioms zusammen.

Intranasale Abgabe von therapeutischen Stammzellen an Glioblastom in einem Mausmodell

The intrinsic tropism towards brain malignancies renders stem cells as promising carriers of therapeutic agents against malignant tumors. The delivery of ...

intranasal-delivery-therapeutic-stem-cells-to-glioblastoma-mouse

Research

JoVE Journal

Medicine

12.1K Aufrufe.  Northwestern University.  Stammzellen sind vielversprechende therapeutische Träger, um Hirntumoren aufgrund ihrer intrinsischen Tumor-Tropismus zu behandeln. Nicht-invasive intranasale Stammzell-Abgabe umgeht die Blut-Hirn-Schranke und zeigt ein starkes Potenzial für die klinische Übersetzung. Dieser Artikel fasst die Grundprinzipien der intranasalen Stammzellabgabe in einem Mausmodell des Glioms zusammen. 

Serie: Intranasal Delivery of Therapeutic Stem Cells to Glioblastoma in a Mouse Model

Combination Radiotherapy in an Orthotopic Mouse Brain Tumor Model

Glioblastoma multiforme (GBM) are the most common and aggressive adult primary brain tumors1. In recent years there has been substantial progress in the understanding of the mechanics of tumor invasion, and direct intracerebral inoculation of tumor provides the opportunity of observing the invasive process in a physiologically appropriate environment2. As far as human brain tumors are concerned, the orthotopic models currently available are established either by stereotaxic injection of cell suspensions or implantation of a solid piece of tumor through a complicated craniotomy procedure3. In our technique we harvest cells from tissue culture to create a cell suspension used to implant directly into the brain. The duration of the surgery is approximately 30 minutes, and as the mouse needs to be in a constant surgical plane, an injectable anesthetic is used. The mouse is placed in a stereotaxic jig made by Stoetling (figure 1). After the surgical area is cleaned and prepared, an incision is made; and the bregma is located to determine the location of the craniotomy. The location of the craniotomy is 2 mm to the right and 1 mm rostral to the bregma. The depth is 3 mm from the surface of the skull, and cells are injected at a rate of 2 &mu;l every 2 minutes. The skin is sutured with 5-0 PDS, and the mouse is allowed to wake up on a heating pad. From our experience, depending on the cell line, treatment can take place from 7-10 days after surgery. Drug delivery is dependent on the drug composition. For radiation treatment the mice are anesthetized, and put into a custom made jig. Lead covers the mouse's body and exposes only the brain of the mouse. The study of tumorigenesis and the evaluation of new therapies for GBM require accurate and reproducible brain tumor animal models. Thus we use this orthotopic brain model to study the interaction of the microenvironment of the brain and the tumor, to test the effectiveness of different therapeutic agents with and without radiation.

The purpose of this article is to describe the use of an orthotopic glioblastoma model for chemoradiation studies. This article will go though cell processing, implanting, and radiotherapy of the mouse using an intracranial model.

Kombination Strahlentherapie in einem orthotopen Maus Brain Tumor-Modell

Glioblastoma multiforme (GBM) are the most common and aggressive adult primary brain tumors1. In recent years there has been substantial progress in the ...

Forschung

Medizin

Heterotopic Mucosal Engrafting Procedure for Direct Drug Delivery to the Brain in Mice

Delivery of therapeutics into the brain is impeded by the presence of the blood-brain barrier (BBB) which restricts the passage of polar and high molecular weight compounds from the bloodstream and into brain tissue. Some direct delivery success in humans has been achieved via implantation of transcranial catheters; however this method is highly invasive and associated with numerous complications. A less invasive alternative would be to dose the brain through a surgically implanted, semipermeable membrane such as the nasal mucosa that is used to repair skull base defects following endoscopic transnasal tumor removal surgery in humans. Drug transfer though this membrane would effectively bypass the BBB and diffuse directly into the brain and cerebrospinal fluid. Inspired by this approach, a surgical approach in mice was developed that uses a donor septal mucosal membrane engrafted over an extracranial surgical BBB defect. This model has been shown to effectively allow the passage of high molecular weight compounds into the brain. Since numerous drug candidates are incapable of crossing the BBB, this model is valuable for performing preclinical testing of novel therapies for neurological and psychiatric diseases.

A mouse model of human endoscopic skull base reconstruction has been developed that creates a semipermeable interface between the brain and nose using nasal mucosal grafts. This method allows researchers to study delivery to the central nervous system of high molecular weight therapeutics which are otherwise excluded by the blood-brain barrier when administered systemically.

Heterotope Mucosal-Transplantationsverfahren für Direkt Drug Delivery zum Gehirn bei Mäusen

Delivery of therapeutics into the brain is impeded by the presence of the blood-brain barrier (BBB) which restricts the passage of polar and high ...

Translational Orthotopic Models of Glioblastoma Multiforme

Genetically engineered mouse (GEM) models for human glioblastoma multiforme (GBM) are critical to understanding the development and progression of brain tumors. Unlike xenograft tumors, in GEMs, tumors arise in the native microenvironment in an immunocompetent mouse. However, the use of GBM GEMs in preclinical treatment studies is challenging due to long tumor latencies, heterogeneity in neoplasm frequency, and the timing of advanced grade tumor development. Mice induced via intracranial orthotopic injection are more tractable for preclinical studies, and retain features of the GEM tumors. We generated an orthotopic brain tumor model derived from a GEM model with Rb, Kras, and p53 aberrations (TRP), which develops GBM tumors&#160;displaying linear foci of necrosis by neoplastic cells, and dense vascularization analogous to human GBM. Cells derived from GEM GBM tumors are injected intracranially into wild-type, strain-matched recipient mice and reproduce grade IV tumors, therefore bypassing the long tumor latency period in GEM mice and allowing for the creation of large and reproducible cohorts for preclinical studies. The highly proliferative, invasive, and vascular features of the TRP GEM model for GBM are recapitulated in the orthotopic tumors, and histopathology markers reflect human GBM subgroups. Tumor growth is monitored by serial MRI scans. Due to the invasive nature of the intracranial tumors in immunocompetent models, carefully following the injection procedure outlined here is essential to prevent extracranial tumor growth.

Here, we describe a preclinical orthotopic mouse model for GBM, established by intracranial injection of cells derived from genetically engineered mouse model tumors. This model displays the disease hallmarks of human GBM. For translational studies, the mouse brain tumor is tracked by in vivo MRI and histopathology.

Translationale orthotope Modelle des Glioblastoma multiforme

Genetically engineered mouse (GEM) models for human glioblastoma multiforme (GBM) are critical to understanding the development and progression of brain ...

Krebsforschung

<meta charset="utf8"></head><body>Reparatur der Arteria carotis communis nach Injektion in einem Mausmodell

Facilitating Repeat Intracarotid Injections in Mouse Models by a Novel Injection Site Repair Technique

Given recent advances in the delivery of novel antitumor therapeutics using endovascular selective intraarterial delivery methods in neuro-oncology, there is an urgent need to develop methods for intracarotid injections in mouse models, including methods to repair the carotid artery in mice after injection to allow for subsequent injections. We developed a method of intracarotid injection in a mouse model to deliver therapeutics into the internal carotid artery (ICA) with two alternative procedures. 
During injection, the needle is inserted into the common carotid artery (CCA) after tying a suture around the external carotid artery (ECA) and injected therapeutics are delivered into the ICA. Following injection, the common carotid artery (CCA) can be ligated, which limits the number of intracarotid injections to one. The alternative procedure described in this article includes a modification where intracarotid artery injection is followed by injection site repair of the CCA, which restores blood flow within the CCA and avoids the complication of cerebral ischemia seen in some mouse models. 
We also compared the delivery of bone marrow-derived human mesenchymal stem cells (BM-hMSCs) to intracranial tumors when delivered through intracarotid injection with and without injection site repair following the injection. Delivery of BM-hMSCs does not differ significantly between the methods. Our results demonstrate that injection site repair of the CCA allows for repeat injections through the same artery and does not impair the delivery and distribution of injected material, thus providing a model with greater flexibility that more closely emulates intracarotid injection in humans.

<meta charset="utf8"></head><body>Autor im Rampenlicht: Weiterentwicklung der Glioblastombehandlung durch intraarterielle Verabreichungsstrategien für onkolytische Viren und microRNAs

Repair of the intracarotid artery in a mouse model after injection returns blood flow to the artery without negatively impacting the distribution of the injected material. Injection site repair facilitates subsequent injections through the same artery and prevents cerebral ischemia in mouse strains that lack a complete Circle of Willis.

Erleichterung wiederholter Intrakarotis-Injektionen in Mausmodellen durch eine neuartige Reparaturtechnik an der Injektionsstelle

Given recent advances in the delivery of novel antitumor therapeutics using endovascular selective intraarterial delivery methods in neuro-oncology, there ...

<meta charset="utf8"></head><body>Eisenoxid-Nanopartikel für die bildgestützte Therapieverabreichung beim murinen Glioblastom

Nanoparticle Delivery of an Oligonucleotide Payload in a Glioblastoma Multiforme Animal Model

Glioblastoma multiforme (GBM) is the most common and aggressive form of primary brain malignancy for which there is no cure. The blood-brain barrier is a significant hurdle in the delivery of therapies to GBM. Reported here is an image-guided, iron oxide-based therapeutic delivery nano platform capable of bypassing this physiological barrier by virtue of size and accumulating in the tumor region, delivering its payload. This 25 nm nano platform consists of crosslinked dextran-coated iron oxide nanoparticles labeled with Cy5.5 fluorescent dye and containing antisense oligonucleotide as a payload. The magnetic iron oxide core enables tracking of the nanoparticles through in vivo magnetic resonance imaging, while Cy5.5 dye allows tracking by optical imaging. This report details the monitoring of the accumulation of this nanoparticle platform (termed MN-anti-miR10b) in orthotopically implanted glioblastoma tumors following intravenous injection. In addition, it provides insight into the in vivo delivery of RNA oligonucleotides, a problem that has hampered the translation of RNA therapeutics into the clinic.

<meta charset="utf8"></head><body>Autor im Rampenlicht: Innovative Krebstherapien mit Eisenoxid-Nanopartikeln zur Behandlung von Glioblastomen

The blood-brain barrier is a significant hurdle in the delivery of therapies for glioblastoma, a disease for which there is no cure. Here, we report an in vivo image-guided iron oxide therapeutic nano platform that can bypass this physiological barrier by virtue of size and accumulate in the tumor.

Nanopartikel-Verabreichung einer Oligonukleotid-Nutzlast in einem Glioblastom-Multiforme-Tiermodell

Glioblastoma multiforme (GBM) is the most common and aggressive form of primary brain malignancy for which there is no cure. The blood-brain barrier is a ...

An Immunocompetent Murine Model for Laser Interstitial Thermal Therapy of Glioblastoma

Glioblastoma (GB), the most aggressive form of primary brain cancer, accounts for approximately half of all high-grade primary brain tumors in adults and has no cure. Laser interstitial thermal therapy (LITT) is a Food and Drug Administration (FDA)-approved treatment for GB and is used in patients who may not be candidates for conventional surgical resection. While the clinical efficacy of LITT has been established, research beyond clinical case studies and case series is limited and hindered by the lack of an established animal model. This protocol uses C57BL/6 mice and syngeneic CT2A glioma cancer cell line to closely recapitulate human GB&#160;while also using a 1064 nm Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) laser, such as is used in one of the two FDA-approved LITT systems, providing excellent pre-clinical relevance. The successful establishment of this LITT murine model will provide a valuable platform for investigating the unique features of LITT ablation and its effects on the tumor microenvironment, potentially leading to improved therapeutic strategies.

Glioblastoma is a devastating form of primary brain cancer, and laser interstitial thermal therapy is emerging as a promising alternative to conventional surgical resection for inoperable glioblastoma. This protocol describes an optimized pre-clinical mouse model that can be used to study treatment effects or adjuvant and combinatorial treatments.

Glioblastoma (GB), the most aggressive form of primary brain cancer, accounts for approximately half of all high-grade primary brain tumors in adults and ...

Intranasale Abgabe von therapeutischen Stammzellen an Glioblastom in einem Mausmodell

Zusammenfassung

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Nanopartikel-Verabreichung einer Oligonukleotid-Nutzlast in einem Glioblastom-Multiforme-Tiermodell

Nanopartikel-Verabreichung einer Oligonukleotid-Nutzlast in einem Glioblastom-Multiforme-Tiermodell

An Immunocompetent Murine Model for Laser Interstitial Thermal Therapy of Glioblastoma