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Immunomodulatory function of polyvinylpyrrolidone (Pvp)-functionalized gold nanoparticles in vibrio-stimulated sea urchin immune cells

Articolo
Data di Pubblicazione:
2021
Abstract:
We investigated the role of the gold nanoparticles functionalized with polyvinylpyrrolidone (PVP–AuNPs) on the innate immune response against an acute infection caused by Vibrio anguillarum in an in vitro immunological nonmammalian next-generation model, the sea urchin Paracentrotus lividus. To profile the immunomodulatory function of PVP–AuNPs (0.1 μg mL−1) in sea urchin immune cells stimulated by Vibrio (10 μg mL−1) for 3 h, we focused on the baseline immunological state of the donor, and we analysed the topography, cellular metabolism, and expression of human cell surface antigens of the exposed cells, as well as the signalling leading the interaction between PVP–AuNPs and the Vibrio-stimulated cells. PVP–AuNPs are not able to silence the inflammatory signalling (TLR4/p38MAPK/NF-κB signalling) that involves the whole population of P. lividus immune cells exposed to Vibrio. However, our findings emphasise the ability of PVP–AuNPs to stimulate a subset of rare cells (defined here as Group 3) that express CD45 and CD14 antigens on their surface, which are known to be involved in immune cell maturation and macrophage activation in humans. Our evidence on how PVP–AuNPs may stimulate sea urchin immune cells represents an important starting point for planning new research work on the topic.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Infected sea urchin immune cells; Nanointeraction; Proxy for human model; PVP–AuNPs antimicrobial function; Quiescence and immune activation
Elenco autori:
Alijagic A.; Bonura A.; Barbero F.; Puntes V.F.; Gervasi F.; Pinsino A.
Autori di Ateneo:
BARBERO FRANCESCO
Link alla scheda completa:
https://iris.unito.it/handle/2318/2082894
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/2082894/1904250/2021_Alijagic_et-al.pdf
Pubblicato in:
NANOMATERIALS
Journal
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Settori (15)


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PE11_9 - Nanomaterials engineering, e.g. nanoparticles, nanoporous materials, 1D & 2D nanomaterials - (2024)

CIBO, AGRICOLTURA e ALLEVAMENTI - Farmacologia Veterinaria

CIBO, AGRICOLTURA e ALLEVAMENTI - Patologia e malattie degli animali

CIBO, AGRICOLTURA e ALLEVAMENTI - Scienze cliniche veterinarie

MEDICINA, SALUTE e BENESSERE - Disturbi neuropsichiatrici

MEDICINA, SALUTE e BENESSERE - Epidemiologia

MEDICINA, SALUTE e BENESSERE - Malattie neurologiche e neurodegenerative

MEDICINA, SALUTE e BENESSERE - Medicina Rigenerativa e Cellule Staminali

MEDICINA, SALUTE e BENESSERE - Oncologia e Tumori

MEDICINA, SALUTE e BENESSERE - Ricerca Traslazionale e Clinica

MEDICINA, SALUTE e BENESSERE - Trapianti e medicina rigenerativa

SCIENZE DELLA VITA e FARMACOLOGIA - Interazioni tra molecole, cellule, organismi e ambiente

SCIENZE DELLA VITA e FARMACOLOGIA - Molecole bioattive

SCIENZE DELLA VITA e FARMACOLOGIA - Sviluppo del sistema nervoso e plasticità
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