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Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells

Plant extracellular vesicles (P-EVs) are considered promising functional food ingredients due to their various health benefits. In this study, blueberry extracellular vesicles (B-EVs) were collected and purified by size exclusion chromatography (SEC). The chemical compounds in B-EV extracts were ana...

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Autores principales: Leng, Yangfan, Yang, Liubin, Zhu, Hangxin, Li, Dongqin, Pan, Siyi, Yuan, Fang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10526224/
https://www.ncbi.nlm.nih.gov/pubmed/37759813
http://dx.doi.org/10.3390/biom13091412
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author Leng, Yangfan
Yang, Liubin
Zhu, Hangxin
Li, Dongqin
Pan, Siyi
Yuan, Fang
author_facet Leng, Yangfan
Yang, Liubin
Zhu, Hangxin
Li, Dongqin
Pan, Siyi
Yuan, Fang
author_sort Leng, Yangfan
collection PubMed
description Plant extracellular vesicles (P-EVs) are considered promising functional food ingredients due to their various health benefits. In this study, blueberry extracellular vesicles (B-EVs) were collected and purified by size exclusion chromatography (SEC). The chemical compounds in B-EV extracts were analyzed by LC-MS/MS. In addition, the stability of B-EVs was evaluated during short- and long-term storage, heating, and in vitro digestion. The results showed that the B-EVs had a desirable particle size (88.2 ± 7.7 nm). Protein and total RNA concentrations were 582 ± 11.2 μg/mL and 15.4 μg/mL, respectively. The optimal storage temperatures for B-EVs were 4 °C and −80 °C for short- and long-term storage, respectively. Fluorescent labeling and qRT-PCR tests showed that B-EVs could be specifically internalized by Caco-2 cells, whereas virtually no cytotoxic or growth-inhibitory effects were observed. B-EVs down-regulated the expression levels of IL-1β and IL-8 and up-regulated the expression levels of NF-κβ and TLR5 in Caco-2 cells. Overall, the results proved that the intact structure of B-EVs could be preserved during food storage and processing conditions. B-EVs had the ability to reach the human intestine through oral delivery. Moreover, they could be absorbed by intestinal cells and affect human intestinal function.
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spelling pubmed-105262242023-09-28 Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells Leng, Yangfan Yang, Liubin Zhu, Hangxin Li, Dongqin Pan, Siyi Yuan, Fang Biomolecules Article Plant extracellular vesicles (P-EVs) are considered promising functional food ingredients due to their various health benefits. In this study, blueberry extracellular vesicles (B-EVs) were collected and purified by size exclusion chromatography (SEC). The chemical compounds in B-EV extracts were analyzed by LC-MS/MS. In addition, the stability of B-EVs was evaluated during short- and long-term storage, heating, and in vitro digestion. The results showed that the B-EVs had a desirable particle size (88.2 ± 7.7 nm). Protein and total RNA concentrations were 582 ± 11.2 μg/mL and 15.4 μg/mL, respectively. The optimal storage temperatures for B-EVs were 4 °C and −80 °C for short- and long-term storage, respectively. Fluorescent labeling and qRT-PCR tests showed that B-EVs could be specifically internalized by Caco-2 cells, whereas virtually no cytotoxic or growth-inhibitory effects were observed. B-EVs down-regulated the expression levels of IL-1β and IL-8 and up-regulated the expression levels of NF-κβ and TLR5 in Caco-2 cells. Overall, the results proved that the intact structure of B-EVs could be preserved during food storage and processing conditions. B-EVs had the ability to reach the human intestine through oral delivery. Moreover, they could be absorbed by intestinal cells and affect human intestinal function. MDPI 2023-09-19 /pmc/articles/PMC10526224/ /pubmed/37759813 http://dx.doi.org/10.3390/biom13091412 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Leng, Yangfan
Yang, Liubin
Zhu, Hangxin
Li, Dongqin
Pan, Siyi
Yuan, Fang
Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells
title Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells
title_full Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells
title_fullStr Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells
title_full_unstemmed Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells
title_short Stability of Blueberry Extracellular Vesicles and Their Gene Regulation Effects in Intestinal Caco-2 Cells
title_sort stability of blueberry extracellular vesicles and their gene regulation effects in intestinal caco-2 cells
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10526224/
https://www.ncbi.nlm.nih.gov/pubmed/37759813
http://dx.doi.org/10.3390/biom13091412
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