Ultra-Small Superparamagnetic Iron-Oxide Nanoparticles Exert Different Effects on Erythrocytes in Normotensive and Hypertensive Rats
We determined erythrocyte physiological and biochemical properties after the single and repeated administration of ultra-small superparamagnetic iron-oxide nanoparticles (USPIONs) in normotensive Wistar-Kyoto (WKY) and spontaneously hypertensive (SHR) rats. Polyethylene glycol-coated USPIONs (transmission electron microscope detected a mean size of ~30 nm and hydrodynamic size ~51 nm) were intravenously administered to rats either in one infusion at nominal dose 1 mg Fe/kg or in two infusions (administered with a difference of 24 h) at nominal dose 2 mg Fe/kg. Results showed that USPIONs did not deteriorate erythrocyte deformability, nitric oxide production, and osmotic resistance in both experimental settings. Both the single and repeated USPION administration elevated erythrocyte deformability in WKY. However, this effect was not present in SHR; deformability in USPION-treated SHR was significantly lower than in USPION-treated WKY. Nitric oxide production by erythrocytes was increased after a single USPION treatment in WKY, so it can be associated with improvement in erythrocyte deformability. Using biomagnetometry, we revealed significantly lower amounts of USPION-originated iron in erythrocytes in SHR compared with WKY. We found a much faster elimination of USPIONs from erythrocytes in hypertensive rats compared with the normotensive ones, which might be relevant for clinical practice in hypertensive patients undergoing clinical examination with the use of iron-oxide nanoparticles.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
Biomedicines - 9(2021), 4 vom: 02. Apr. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Radosinska, Jana [VerfasserIn] |
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| Links: |
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| Themen: |
Biomagnetometry |
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| Anmerkungen: |
Date Revised 02.05.2021 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/biomedicines9040377 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM324716893 |
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| 520 | |a We determined erythrocyte physiological and biochemical properties after the single and repeated administration of ultra-small superparamagnetic iron-oxide nanoparticles (USPIONs) in normotensive Wistar-Kyoto (WKY) and spontaneously hypertensive (SHR) rats. Polyethylene glycol-coated USPIONs (transmission electron microscope detected a mean size of ~30 nm and hydrodynamic size ~51 nm) were intravenously administered to rats either in one infusion at nominal dose 1 mg Fe/kg or in two infusions (administered with a difference of 24 h) at nominal dose 2 mg Fe/kg. Results showed that USPIONs did not deteriorate erythrocyte deformability, nitric oxide production, and osmotic resistance in both experimental settings. Both the single and repeated USPION administration elevated erythrocyte deformability in WKY. However, this effect was not present in SHR; deformability in USPION-treated SHR was significantly lower than in USPION-treated WKY. Nitric oxide production by erythrocytes was increased after a single USPION treatment in WKY, so it can be associated with improvement in erythrocyte deformability. Using biomagnetometry, we revealed significantly lower amounts of USPION-originated iron in erythrocytes in SHR compared with WKY. We found a much faster elimination of USPIONs from erythrocytes in hypertensive rats compared with the normotensive ones, which might be relevant for clinical practice in hypertensive patients undergoing clinical examination with the use of iron-oxide nanoparticles | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a biomagnetometry | |
| 650 | 4 | |a deformability | |
| 650 | 4 | |a erythrocytes | |
| 650 | 4 | |a hypertension | |
| 650 | 4 | |a iron-oxide nanoparticles | |
| 650 | 4 | |a nitric oxide | |
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| 700 | 1 | |a Radosinska, Dominika |e verfasserin |4 aut | |
| 700 | 1 | |a Balis, Peter |e verfasserin |4 aut | |
| 700 | 1 | |a Puzserova, Angelika |e verfasserin |4 aut | |
| 700 | 1 | |a Skratek, Martin |e verfasserin |4 aut | |
| 700 | 1 | |a Manka, Jan |e verfasserin |4 aut | |
| 700 | 1 | |a Bernatova, Iveta |e verfasserin |4 aut | |
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