Effects of synthetic silymarin-PLGA nanoparticles on M2 polarization and inflammatory cytokines in LPS-treated murine peritoneal macrophages
OBJECTIVES: Silymarin (SM) is a natural antioxidant compound with good anti-inflammatory effects, but its poor water solubility restricts its usage. Today, nanomaterial compounds (such as PLGA Poly D, L-lactic-co-glycolic acid) can provide a proper drug delivery system and help improve the accessibility of bioactive compounds to cells and tissues.
MATERIALS AND METHODS: In this study, PLGA nanoparticles (NPs) containing SM (SM-PLGA) were synthesized and characterized and their biological effects were evaluated on M2 macrophage polarization to regulate inflammation. SM-PLGA NPs were fabricated by the oil in water emulsion (O/W) method. Macrophages (MQs) were isolated from mouse peritoneum by the cold RPMI lavage protocol. Primary mouse MQ cells were treated by SM and SM-PLGA NPs and then stimulated with lipopolysaccharide (LPS). M2 polarization was evaluated by measurements of cytokine secretion levels (TNF-α, IL1-β, and IL-10), flow cytometry markers (F4/80, CD11b, CD38, and CD206), and the expression of specific proteins (M2 Ym1 and Fizz1).
RESULTS: SM-PLGA characterization showed that NPs were fabricated in the desired form. SM and SM-PLGA decreased pro-inflammatory cytokines (TNF-α and IL1-β) and increased IL10 as an anti-inflammatory cytokine. On the other hand, the M2-associated markers and proteins increased following treatment with SM and SM-PLGA. Post-hoc analysis indicated that these changes were more pronounced in the SM-PLGA group.
CONCLUSION: This study revealed that SM-PLGA could markedly promote M2 polarization, thereby providing a valuable medical approach against sepsis and septic shock.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Iranian journal of basic medical sciences - 24(2021), 10 vom: 15. Okt., Seite 1446-1454 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Azadpour, Mojgan [VerfasserIn] |
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| Links: |
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| Themen: |
Cytokines |
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| Anmerkungen: |
Date Revised 17.09.2023 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.22038/IJBMS.2021.59312.13161 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM336305745 |
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| 100 | 1 | |a Azadpour, Mojgan |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Effects of synthetic silymarin-PLGA nanoparticles on M2 polarization and inflammatory cytokines in LPS-treated murine peritoneal macrophages |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Revised 17.09.2023 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a OBJECTIVES: Silymarin (SM) is a natural antioxidant compound with good anti-inflammatory effects, but its poor water solubility restricts its usage. Today, nanomaterial compounds (such as PLGA Poly D, L-lactic-co-glycolic acid) can provide a proper drug delivery system and help improve the accessibility of bioactive compounds to cells and tissues | ||
| 520 | |a MATERIALS AND METHODS: In this study, PLGA nanoparticles (NPs) containing SM (SM-PLGA) were synthesized and characterized and their biological effects were evaluated on M2 macrophage polarization to regulate inflammation. SM-PLGA NPs were fabricated by the oil in water emulsion (O/W) method. Macrophages (MQs) were isolated from mouse peritoneum by the cold RPMI lavage protocol. Primary mouse MQ cells were treated by SM and SM-PLGA NPs and then stimulated with lipopolysaccharide (LPS). M2 polarization was evaluated by measurements of cytokine secretion levels (TNF-α, IL1-β, and IL-10), flow cytometry markers (F4/80, CD11b, CD38, and CD206), and the expression of specific proteins (M2 Ym1 and Fizz1) | ||
| 520 | |a RESULTS: SM-PLGA characterization showed that NPs were fabricated in the desired form. SM and SM-PLGA decreased pro-inflammatory cytokines (TNF-α and IL1-β) and increased IL10 as an anti-inflammatory cytokine. On the other hand, the M2-associated markers and proteins increased following treatment with SM and SM-PLGA. Post-hoc analysis indicated that these changes were more pronounced in the SM-PLGA group | ||
| 520 | |a CONCLUSION: This study revealed that SM-PLGA could markedly promote M2 polarization, thereby providing a valuable medical approach against sepsis and septic shock | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cytokines | |
| 650 | 4 | |a Nanoparticles | |
| 650 | 4 | |a PLGA compound | |
| 650 | 4 | |a Peritoneal macrophages | |
| 650 | 4 | |a Silymarin | |
| 700 | 1 | |a Farajollahi, Mohammad Morad |e verfasserin |4 aut | |
| 700 | 1 | |a Dariushnejad, Hassan |e verfasserin |4 aut | |
| 700 | 1 | |a Varzi, Ali Mohammad |e verfasserin |4 aut | |
| 700 | 1 | |a Varezardi, Amir |e verfasserin |4 aut | |
| 700 | 1 | |a Barati, Mitra |e verfasserin |4 aut | |
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