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Overloading of differentiated Caco-2 cells during lipid transcytosis induces glycosylation mistakes in the Golgi complex

GALINA N. DENISOVA1, IVAN D. DIMOV1, ANNA V. ZAITSEVA1,2, LINARD J. ARTIUX3, ALEXANDER A. MIRONOV1,4,*, NATALIA R. KARELINA1

1 Department of Anatomy, Saint Petersburg State Paediatric Medical University, Petersburg, 194100, Russia
2 Department of Biochemistry, Saint Petersburg State Paediatric Medical University, Petersburg, 194100, Russia
3 Department of Heart and Vessel Surgery, Saint Petersburg State Paediatric Medical University, Petersburg, 194100, Russia
4 The FIRC Institute of Molecular Oncology, Milan, 20139, Italy

* Corresponding Author: Alexander A. Mironov. Email: email

BIOCELL 2021, 45(3), 773-783. https://doi.org/10.32604/biocell.2021.014233

Abstract

Overloading the intestine enterocytes with lipids induced alteration of the Golgi complex (GC; ) and could cause glycosylation errors. Here, using differentiated Caco-2 cells with the established 0[I] blood group phenotype (no expression of the blood antigens A and B [AgA, AgB] under normal conditions) as a model of human enterocytes we examined whether the overloading of these cells with lipids could cause errors in the Golgi-dependent glycosylation. We demonstrated that under these conditions, there were alterations of the GC and the appearance of lipid droplets in the cytoplasm. Rare cells produced AgA and AgB. This suggested that after overloading of enterocytes with lipids, AgA were mistakenly synthesized in individual enterocytes by the Golgi glycosyltransferases. These mistakes could explain why in the absence of AgA and AgB antibodies against them exist in the blood.

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APA Style
DENISOVA, G.N., DIMOV, I.D., ZAITSEVA, A.V., ARTIUX, L.J., MIRONOV, A.A. et al. (2021). Overloading of differentiated caco-2 cells during lipid transcytosis induces glycosylation mistakes in the golgi complex. BIOCELL, 45(3), 773-783. https://doi.org/10.32604/biocell.2021.014233
Vancouver Style
DENISOVA GN, DIMOV ID, ZAITSEVA AV, ARTIUX LJ, MIRONOV AA, KARELINA NR. Overloading of differentiated caco-2 cells during lipid transcytosis induces glycosylation mistakes in the golgi complex. BIOCELL . 2021;45(3):773-783 https://doi.org/10.32604/biocell.2021.014233
IEEE Style
G.N. DENISOVA, I.D. DIMOV, A.V. ZAITSEVA, L.J. ARTIUX, A.A. MIRONOV, and N.R. KARELINA "Overloading of differentiated Caco-2 cells during lipid transcytosis induces glycosylation mistakes in the Golgi complex," BIOCELL , vol. 45, no. 3, pp. 773-783. 2021. https://doi.org/10.32604/biocell.2021.014233

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cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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