Hannah Onafuye

ORCID: 0000-0002-0307-1416
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About
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Research Areas
  • Nanoparticle-Based Drug Delivery
  • Drug Transport and Resistance Mechanisms
  • Protein Interaction Studies and Fluorescence Analysis
  • Boron Compounds in Chemistry
  • Nanoplatforms for cancer theranostics
  • Natural product bioactivities and synthesis
  • Toxin Mechanisms and Immunotoxins
  • Advanced Breast Cancer Therapies
  • Cancer Treatment and Pharmacology
  • Graphene and Nanomaterials Applications
  • Plant biochemistry and biosynthesis

University of Kent
2018-2020

Resistance to systemic drug therapy is a major reason for the failure of anticancer therapies. Here, we tested doxorubicin-loaded human serum albumin (HSA) nanoparticles in neuroblastoma cell line UKF-NB-3 and its ABCB1-expressing sublines adapted vincristine (UKF-NB-3rVCR1) doxorubicin (UKF-NB-3rDOX20). Doxorubicin-loaded displayed increased activity UKF-NB-3rVCR1 UKF-NB-3rDOX20 cells relative solution, but not cells. were re-sensitised by nanoparticle-encapsulated level more pronounced...

10.3762/bjnano.10.166 article EN cc-by Beilstein Journal of Nanotechnology 2019-08-14

Background: Nanoparticles are under investigation as carrier systems for anticancer drugs. The expression of efflux transporters such the ATP-binding cassette (ABC) transporter ABCB1 is an important resistance mechanism in therapy-refractory cancer cells. Drug encapsulation into nanoparticles has been shown to bypass efflux-mediated drug resistance, but there also conflicting results. To investigate whether easy-to-prepare made well-tolerated polymers may circumvent transporter-mediated...

10.3762/bjnano.10.201 article EN cc-by Beilstein Journal of Nanotechnology 2019-10-29

Abstract Nanoparticles are under investigation as carrier systems for anti-cancer drugs. They have been shown to accumulate in cancer tissues through the enhanced permeability and retention (EPR) effect, reduce toxicity non-target tissues, protect drugs from preliminary inactivation. However, nanoparticle preparations not commonly compared their effects at cellular level. Here, we prepared doxorubicin-loaded nanoparticles based on poly(lactic- co -glycolic acid) (PLGA), polylactic acid...

10.1101/403923 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2018-08-29

Willow (Salix spp.) is well known as a source of medicinal compounds, the most famous being salicin, progenitor aspirin. Here we describe isolation, structure determination, and anti-cancer activity cyclodimeric salicinoid (miyabeacin) from S. miyabeana dasyclados. We also show that capability to produce such dimers heritable trait how variation in structures natural miyabeacin analogues derived via cross-over Diels-Alder reactions pools ortho-quinol precursors. These transient ortho-quinols...

10.1038/s41598-020-63349-1 article EN cc-by Scientific Reports 2020-04-15

Abstract Resistance to systemic drug therapies is a major reason for the failure of anti-cancer therapies. Here, we tested doxorubicin-loaded human serum albumin (HSA) nanoparticles in neuroblastoma cell line UKF-NB-3 and its ABCB1-expressing sublines adapted vincristine (UKF-NB-3 r VCR 1 ) doxorubicin DOX 20 ). Doxorubicin-loaded displayed increased activity cells relative solution, but not cells. were resensitised by nanoparticle-encapsulated level more pronounced resistance phenotype than...

10.1101/655662 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-05-31
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