Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells

Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells Publisher Pubmed

Shoaehassani A¹ ; Hamidieh AA^{1, 2} ; Behfar M² ; Mohseni R¹ ; Mortazavitabatabaei SA¹ ; Asgharzadeh S^{3, 4}

Show Affiliations

1. Applied Cell Sciences and Tissue Engineering Department, School of Advanced Technologies in Medicine, Iran
2. Hematology Oncology and Stem Cell Transplant Department, Children's Medical Center, Tehran University of Medical Sciences, Italia Street, Ghods Avenue, Tehran, 1419733151, Iran
3. Department of Pediatrics, Division of Hematology, Oncology and Blood and Marrow Transplantation, Iran
4. Keck School of Medicine, University of Southern California, Los Angeles, CA, United States

Source: Journal of Immunotherapy Published:2017

Abstract

Immune cell-derived exosomes can increase immunity against tumors. In contrast, tumor-derived exosomes can reduce the immunity and can change the tumor microenvironment to further develop and provide metastasis. These effects take place by an alteration in the innate and adaptive immune cell functions. In this experiment, we studied the natural killer (NK) cells' effectiveness on tumor cells after expansion and thereafter incubated it with exosomes. The exosomes were derived from 2 populations of NK cells: (1) naive NK cells and, (2) NK cells previously exposed to neuroblastoma (NB) cells. Moreover, we have studied the NB-derived exosomes on NK cell function. The molecular load of the characterized exosomes (by means of nanoparticle-Tracking analysis, flow cytometry, scanning electron microscopy, and western blot) from NK cells exposed to the NB cell revealed their expression of natural killer cell receptors in addition to CD56, NKG2D, and KIR2DL2 receptors. These exosomes were used to treat NK cells and thereafter administered to NB tumor cells both in vitro and in vivo. Our results showed some kind of NK cells' education by the exosomes. This education from NK cells previously exposed to NB cell-derived exosomes caused efficient and greater cytotoxicity against NB tumors, but NB-derived exosomes act as tumor promoters by providing a tumor supporting niche. Hence, this method of preparing the exosomes has a dramatic effect on activation of anti-NK cells against NB cells. Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved.

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Style	Citing Format
MLA	Shoaehassani A, et al.. "Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells." Journal of Immunotherapy, vol. 40, no. 7, 2017, pp. 265-276.
APA	Shoaehassani A, Hamidieh AA, Behfar M, Mohseni R, Mortazavitabatabaei SA, Asgharzadeh S (2017). Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells. Journal of Immunotherapy, 40(7), 265-276.
Chicago	Shoaehassani A, Hamidieh AA, Behfar M, Mohseni R, Mortazavitabatabaei SA, Asgharzadeh S. "Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells." Journal of Immunotherapy 40, no. 7 (2017): 265-276.
Harvard	Shoaehassani A et al. (2017) 'Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells', Journal of Immunotherapy, 40(7), pp. 265-276.
Vancouver	Shoaehassani A, Hamidieh AA, Behfar M, Mohseni R, Mortazavitabatabaei SA, Asgharzadeh S. Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells. Journal of Immunotherapy. 2017;40(7):265-276.
BibTex	@article{ author = {Shoaehassani A and Hamidieh AA and Behfar M and Mohseni R and Mortazavitabatabaei SA and Asgharzadeh S}, title = {Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells}, journal = {Journal of Immunotherapy}, volume = {40}, number = {7}, pages = {265-276}, year = {2017} }
RIS	TY - JOUR AU - Shoaehassani A AU - Hamidieh AA AU - Behfar M AU - Mohseni R AU - Mortazavitabatabaei SA AU - Asgharzadeh S TI - Nk Cell-Derived Exosomes From Nk Cells Previously Exposed to Neuroblastoma Cells Augment the Antitumor Activity of Cytokine-Activated Nk Cells JO - Journal of Immunotherapy VL - 40 IS - 7 SP - 265 EP - 276 PY - 2017 ER -

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