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Title:
IMMUNE CELL TREATED BY MEANS OF MAGNETIC FIELD AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/219119
Kind Code:
A1
Abstract:
Provided are an immune cell treated by means of a magnetic field and the use thereof. A medium static magnetic field with an intensity of 0.3T can promote the secretion of granzymes and cytokines of mouse CD8+ T cells, increase the level of ATP and mitochondrial respiration, and up-regulate the expression of mitochondrial respiratory chain related genes Uqcrb and/or Ndufs6. In addition, magnetic receptor candidate genes Isca1 and Cry1/Cry2 are involved in regulating the expression of Uqcrb and/or Ndufs6. An in-vivo experiment shows that the static magnetic field can inhibit the growth and development of tumors by means of promoting the secretion of the granzymes and cytokines of the CD8+ T cells. A killing ability test shows that the static magnetic field treatment can enhance the killing ability of the CD8+ T cells, and infusion of the CD8+ T cells treated by means of the magnetic field back into a tumor-grafted mouse has an anti-tumor effect.

Inventors:
ZHU XIAOYAN (CN)
FANG ZHICAI (CN)
FANG YANWEN (CN)
LIU YAN (CN)
CAO XIANXIA (CN)
LIU HAIFENG (CN)
Application Number:
PCT/CN2021/091341
Publication Date:
November 04, 2021
Filing Date:
April 30, 2021
Export Citation:
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Assignee:
HEYE HEALTH TECH CO LTD (CN)
CENTER FOR EXCELLENCE IN MOLECULAR CELL SCIENCE CHINESE ACAD OF SCIENCES (CN)
International Classes:
C12N13/00; A61K35/15; A61K35/17; A61P35/00; A61P35/02; C12N5/0781; C12N5/0783; C12N5/0784; C12N5/0786; C12N5/0787
Domestic Patent References:
WO2019221991A12019-11-21
Foreign References:
CN111733154A2020-10-02
Other References:
ZHU XIAOYAN, LIU YAN, CAO XIANXIA, LIU HAIFENG, SUN AO, SHEN HAO, ZHAO JINGYAO, LI RONGHONG, WU LIGANG, FANG ZHICAI, WANG HUI, ZHA: "Moderate static magnetic fields enhance antitumor CD8+ T cell function by promoting mitochondrial respiration", SCIENTIFIC REPORTS, vol. 10, no. 1, 1 December 2020 (2020-12-01), XP055862706, DOI: 10.1038/s41598-020-71566-x
ZHU XIAOYAN, ZHICAI FANG, LIJIANG HU, YANWEN FNAG, MENGYU LIU: "Biological effects and related mechanisms of magnetic fields on immune cells", CHEMISTRY OF LIFE, vol. 39, no. 5, 12 October 2019 (2019-10-12), pages 875 - 884, XP055862775, DOI: 10.13488/j.smhx.20190252
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ZHANG LWANG JWANG HWANG WLI ZLIU J ET AL.: "Moderate and strong static magnetic fields directly affect EGFR kinase domain orientation to inhibit cancer cell proliferation", ONCOTARGET, vol. 7, no. 27, 2016, pages 41527 - 41539
PRASAD ATEH DBLBLASIAK ACHAI CWU YGHARIBANI PM ET AL.: "Static Magnetic Field Stimulation Enhances Oligodendrocyte Differentiation and Secretion of Neurotrophic Factors", SCIENTIFIC REPORTS, vol. 7, no. 1, 2017, pages 6743
"NCBI", Database accession no. GSE113858
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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