2021
DOI: 10.1016/j.jconrel.2021.01.023
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ImmunoPET-informed sequence for focused ultrasound-targeted mCD47 blockade controls glioma

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Cited by 35 publications
(18 citation statements)
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“…To date, several immuno-PET imaging tracers have been designed to target glioblastoma and have already proven successful in detecting gliomas in multiple preclinical models. These tracers target membrane proteins whose expression is altered in glioblastoma (including the EGFR, DLL4, EPHA2, CD47, AC133 antigen, and MT1-MMP) [ 94 , 95 , 96 , 97 , 98 , 99 , 100 , 101 , 106 , 107 ]: several components of the tumor microenvironment including vessels, macrophages, and extracellular matrix proteins [ 104 , 105 , 108 , 109 , 110 , 114 ]. Notably, [ 89 Zr]Zr-DFO-fresolimumab, an immuno-PET tracer based on a monoclonal antibody that can neutralize all mammalian isoforms of TGF-β was assayed in humans, penetrated recurrent high-grade gliomas but did not result in clinical benefit [ 109 ].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…To date, several immuno-PET imaging tracers have been designed to target glioblastoma and have already proven successful in detecting gliomas in multiple preclinical models. These tracers target membrane proteins whose expression is altered in glioblastoma (including the EGFR, DLL4, EPHA2, CD47, AC133 antigen, and MT1-MMP) [ 94 , 95 , 96 , 97 , 98 , 99 , 100 , 101 , 106 , 107 ]: several components of the tumor microenvironment including vessels, macrophages, and extracellular matrix proteins [ 104 , 105 , 108 , 109 , 110 , 114 ]. Notably, [ 89 Zr]Zr-DFO-fresolimumab, an immuno-PET tracer based on a monoclonal antibody that can neutralize all mammalian isoforms of TGF-β was assayed in humans, penetrated recurrent high-grade gliomas but did not result in clinical benefit [ 109 ].…”
Section: Discussionmentioning
confidence: 99%
“…These tracers allow for evaluating multiple hallmarks [29] of gliomas and the treatment response in preclinical settings. Several immuno-PET tracers' [94][95][96][97][98][99][100][101]106,107] target membrane proteins whose expression is altered in glioblastoma including the Epidermal Growth Factor Receptor (EGFR), Delta-Like Ligand 4 (DLL4), Ephrin type-A receptor 2 (EPHA2), Cluster of differentiation 47 (CD47), the AC133 antigen, and the Membrane-type 1 matrix metalloproteinase (MT1-MMP/MMP14) (Figure 5). In vivo administration of these tracers showed high-specificcontrast imaging of the target in an MT1-MMP expressing glioblastoma tumor model and provided strong evidence for their utility as an alternative to non-specific imaging of glioblastoma.…”
Section: Current Perspectives Of Immuno-pet For Glioblastomamentioning
confidence: 99%
“…In this regard, novel cyclic peptides modulating the BBB enhanced the brain delivery of mAbs [ 196 ]. Similarly, focused ultrasound-mediated BBB disruption improved anti-CD47 mAbs delivery to GBM tumors [ 199 ].…”
Section: Limitations Of Current Preclinical Models and Future Outlook To Improve Combination Strategies For The Immunotherapy Of Gbmmentioning
confidence: 99%
“…In addition, brain-focused ultrasound was found to downregulate the efflux transporter, P-glycoprotein, in the targeted brain regions (H. Cho et al, 2016 ). Since 2004, when Sheikov and his colleagues demonstrated for the first time that brain-focused ultrasound allowed BBB permeabilization to molecules as large as IgG ( Sheikov, McDannold, Vykhodtseva, Jolesz, & Hynynen, 2004 ), there has been several studies demonstrating the relevance of brain-focused ultrasound to improve the delivery of systematically administered antibody into specific brain areas, particularly in tumours and Alzheimer’s disease ( Dubey et al, 2020 ; Janowicz, Leinenga, Gotz, & Nisbet, 2019 ; Jordao et al, 2010 ; Kinoshita, McDannold, Jolesz, & Hynynen, 2006 ; Kobus, Zervantonakis, Zhang, & McDannold, 2016 ; Leinenga, Bodea, Koh, Nisbet, & Gotz, 2020 ; Liu et al, 2016 ; Park, Zhang, Vykhodtseva, & McDannold, 2012 ; Raymond et al, 2008 ; Sheybani et al, 2021 ). Overall, brain-focused ultrasound seems to be a promising technique to deliver antibody to targeted areas in the CNS, but the secondary effects of this technique on the brain still need to be further assessed ( Todd et al, 2020 ).…”
Section: Fcrn and Cellular Barriersmentioning
confidence: 99%