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Article
2020
The coconut water antimicrobial peptide CnAMP1 is taken up into intestinal cells but does not alter P-glycoprotein expression and activity
The coconut water antimicrobial peptide CnAMP1 is taken up into intestinal cells but does not alter P-glycoprotein expression and activity
Abstract (English)
Coconut antimicrobial peptide-1 (CnAMP1) is a naturally occurring bioactive peptide from green coconut water (Cocos nucifera L.). Although biological activities have been reported, the physiological relevance of these reports remains elusive as it is unknown if CnAMP1 is taken up into intestinal cells. To address this open question, we investigated the cytotoxicity of CnAMP1 in intestinal cells and its cellular uptake into human intestinal cells. Considering the importance of the P-glycoprotein (P-gp) to the intestinal metabolism of xenobiotics, we also investigated the influence of CnAMP1 on P-gp activity and expression. Both cell lines showed intracellular fluorescence after incubation with fluorescein labelled CnAMP1, indicating cellular uptake of the intact or fragmented peptide. CnAMP1 (12.5–400 μmol/L) showed no signs of cytotoxicity in LS180 and differentiated Caco-2 cells and did not affect P-gp expression and activity. Further research is required to investigate the identity of CnAMP1 hydrolysis fragments and their potential biological activities.
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Plant foods for human nutrition, 75 (2020), 3, 396-403.
https://doi.org/10.1007/s11130-020-00826-y.
ISSN: 1573-9104
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English
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570 Biology
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Sustainable Development Goals
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@article{Anaya2020,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16302},
doi = {10.1007/s11130-020-00826-y},
author = {Anaya, Katya and Podszun, Maren and Franco, Octavio Luiz et al.},
title = {The Coconut Water Antimicrobial Peptide CnAMP1 Is Taken up into Intestinal Cells but Does Not Alter P-Glycoprotein Expression and Activity},
year = {2020},
volume = {75},
number = {3},
}