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A Graphene Oxide-Angiogenin Theranostic Nanoplatform for the Therapeutic Targeting of Angiogenic Processes: The Effect of Copper-Supplemented Medium
- Riela, L. (author)
- Cucci, L. M. (author)
-
- Hansson, Örjan, 1955 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
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- Marzo, T. (author)
- La Mendola, D. (author)
- Satriano, C. (author)
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- (creator_code:org_t)
- 2022-10-29
- 2022
- English.
- In: Inorganics. - : MDPI AG. - 2304-6740. ; 10:11
- Journal article (peer-reviewed)
Abstract
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- Graphene oxide (GO) nanosheets with different content in the defective carbon species bound to oxygen sp3 were functionalized with the angiogenin (ANG) protein, to create a novel nanomedicine for modulating angiogenic processes in cancer therapies. The GO@ANG nanocomposite was scrutinized utilizing UV-visible and fluorescence spectroscopies. GO exhibits pro- or antiangiogenic effects, mostly attributed to the disturbance of ROS concentration, depending both on the total concentration (i.e., >100 ng/mL) as well as on the number of carbon species oxidized, that is, the C/O ratio. ANG is considered one of the most effective angiogenic factors that plays a vital role in the angiogenic process, often in a synergic role with copper ions. Based on these starting hypotheses, the GO@ANG nanotoxicity was assessed with the MTT colorimetric assay, both in the absence and in the presence of copper ions, by in vitro cellular experiments on human prostatic cancer cells (PC-3 line). Laser confocal microscopy (LSM) cell imaging evidenced an enhanced internationalization of GO@ANG than bare GO nanosheets, as well as significant changes in cell cytoskeleton organization and mitochondrial staining compared to the cell treatments with free ANG.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- 2D nanomaterials
- base-washed graphene oxide
- PC-3 cells
- nanotoxicity
- confocal microscopy
- cell cytoskeleton
- ROS
- copper
- molecular-mechanisms
- gold nanoparticles
- escherichia-coli
- binding
- cells
- ions
- Chemistry
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Riela, L.
- Cucci, L. M.
- Hansson, Örjan, ...
- Marzo, T.
- La Mendola, D.
- Satriano, C.
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Inorganics
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- University of Gothenburg
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