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| Pàgina inicial > Articles > Articles publicats > Intranasal Administration of Catechol-Based Pt(IV) Coordination Polymer Nanoparticles for Glioblastoma Therapy |
| Data: | 2022 |
| Resum: | Cisplatin has been described as a potent anticancer agent for decades. However, in the case of glioblastomas, it is only considered a rescue treatment applied after the failure of second-line treatments. Herein, based on the versatility offered by coordination chemistry, we engineered nanoparticles by reaction of a platinum (IV) prodrug and iron metal ions showing in vitro dual pH- and redox-sensitivity, controlled release and comparable cytotoxicity to cisplatin against HeLa and GL261 cells. In vivo intranasal administration in orthotopic preclinical GL261 glioblastoma tumor-bearing mice demonstrated increased accumulation of platinum in tumors, leading in some cases to complete cure and prolonged survival of the tested cohort. This was corroborated by a magnetic resonance imaging follow-up, thus opening new opportunities for intranasal glioblastoma therapies while minimizing side effects. The findings derived from this research showed the potentiality of this approach as a novel therapy for glioblastoma treatment. |
| Ajuts: | Agencia Estatal de Investigación RTI2018-098027-B-C21 Agencia Estatal de Investigación RTI2018-098027-B-C22 Agencia Estatal de Investigación PID2020-113058GB-I00 Ministerio de Ciencia e Innovación RED2018-102471-T Ministerio de Ciencia e Innovación SEV-2017-0706 European Commission 777222 Ministerio de Sanidad y Consumo CB06/01/0010 |
| Nota: | Altres ajuts: UAB Predoctoral training programme (14ª Convocatoria PIF-19612, predoctoral fellowships for P.C.-P.) |
| Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió publicada |
| Matèria: | Nanoscale coordination polymers ; Platinum ; Catechol ; Intranasal administration ; Glioblastoma ; Preclinical studies ; GL261 GB ; Magnetic resonance imaging |
| Publicat a: | Nanomaterials, Vol. 12, Issue 7 (April 2022) , art. 1221, ISSN 2079-4991 |
22 p, 3.4 MB |