Authors: | Tylawsky, D. E.; Kiguchi, H.; Vaynshteyn, J.; Gerwin, J.; Shah, J.; Islam, T.; Boyer, J. A.; Boué, D. R.; Snuderl, M.; Greenblatt, M. B.; Shamay, Y.; Raju, G. P.; Heller, D. A. |
Article Title: | P-selectin-targeted nanocarriers induce active crossing of the blood–brain barrier via caveolin-1-dependent transcytosis |
Abstract: | Medulloblastoma is the most common malignant paediatric brain tumour, with ~30% mediated by Sonic hedgehog signalling. Vismodegib-mediated inhibition of the Sonic hedgehog effector Smoothened inhibits tumour growth but causes growth plate fusion at effective doses. Here, we report a nanotherapeutic approach targeting endothelial tumour vasculature to enhance blood–brain barrier crossing. We use fucoidan-based nanocarriers targeting endothelial P-selectin to induce caveolin-1-dependent transcytosis and thus nanocarrier transport into the brain tumour microenvironment in a selective and active manner, the efficiency of which is increased by radiation treatment. In a Sonic hedgehog medulloblastoma animal model, fucoidan-based nanoparticles encapsulating vismodegib exhibit a striking efficacy and marked reduced bone toxicity and drug exposure to healthy brain tissue. Overall, these findings demonstrate a potent strategy for targeted intracranial pharmacodelivery that overcomes the restrictive blood–brain barrier to achieve enhanced tumour-selective penetration and has therapeutic implications for diseases within the central nervous system. © 2023, The Author(s). |
Keywords: | animal; animals; sonic hedgehog protein; hedgehog proteins; blood; brain; tumors; medulloblastoma; blood brain barrier; blood-brain barrier; bone; cerebellar neoplasms; pediatrics; p-selectin; padgem protein; tumor microenvironment; cerebellum tumor; nanocarriers; vismodegib; transcytosis; caveolin 1; caveolin-1; sonic hedgehogs; hedgehog signalling; fucoidans; paediatric brain tumours |
Journal Title: | Nature Materials |
Volume: | 22 |
Issue: | 3 |
ISSN: | 1476-1122 |
Publisher: | Nature Publishing Group |
Date Published: | 2023-03-01 |
Start Page: | 391 |
End Page: | 399 |
Language: | English |
DOI: | 10.1038/s41563-023-01481-9 |
PUBMED: | 36864161 |
PROVIDER: | scopus |
PMCID: | PMC9981459 |
DOI/URL: | |
Notes: | Article -- MSK Cancer Center Support Grant (P30 CA008748) acknowledged in PubMed and PDF -- MSK corresponding author is Daniel Heller -- Source: Scopus |