Ultra-high static magnetic fields cause immunosuppression through disrupting B-cell peripheral differentiation and negatively regulating BCR signaling
© 2023 The Authors. MedComm published by Sichuan International Medical Exchange & Promotion Association (SCIMEA) and John Wiley & Sons Australia, Ltd..
To increase the imaging resolution and detection capability, the field strength of static magnetic fields (SMFs) in magnetic resonance imaging (MRI) has significantly increased in the past few decades. However, research on the side effects of high magnetic field is still very inadequate and the effects of SMF above 1 T (Tesla) on B cells have never been reported. Here, we show that 33.0 T ultra-high SMF exposure causes immunosuppression and disrupts B cell differentiation and signaling. 33.0 T SMF treatment resulted in disturbance of B cell peripheral differentiation and antibody secretion and reduced the expression of IgM on B cell membrane, and these might be intensity dependent. In addition, mice exposed to 33.0 T SMF showed inhibition on early activation of B cells, including B cell spreading, B cell receptor clustering and signalosome recruitment, and depression of both positive and negative molecules in the proximal BCR signaling, as well as impaired actin reorganization. Sequencing and gene enrichment analysis showed that SMF stimulation also affects splenic B cells' transcriptome and metabolic pathways. Therefore, in the clinical application of MRI, we should consider the influence of SMF on the immune system and choose the optimal intensity for treatment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:4 |
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| Enthalten in: |
MedComm - 4(2023), 5 vom: 04. Okt., Seite e379 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gu, Heng [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 31.10.2023 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/mco2.379 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a To increase the imaging resolution and detection capability, the field strength of static magnetic fields (SMFs) in magnetic resonance imaging (MRI) has significantly increased in the past few decades. However, research on the side effects of high magnetic field is still very inadequate and the effects of SMF above 1 T (Tesla) on B cells have never been reported. Here, we show that 33.0 T ultra-high SMF exposure causes immunosuppression and disrupts B cell differentiation and signaling. 33.0 T SMF treatment resulted in disturbance of B cell peripheral differentiation and antibody secretion and reduced the expression of IgM on B cell membrane, and these might be intensity dependent. In addition, mice exposed to 33.0 T SMF showed inhibition on early activation of B cells, including B cell spreading, B cell receptor clustering and signalosome recruitment, and depression of both positive and negative molecules in the proximal BCR signaling, as well as impaired actin reorganization. Sequencing and gene enrichment analysis showed that SMF stimulation also affects splenic B cells' transcriptome and metabolic pathways. Therefore, in the clinical application of MRI, we should consider the influence of SMF on the immune system and choose the optimal intensity for treatment | ||
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| 700 | 1 | |a Yu, Biao |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Kang, Danqing |e verfasserin |4 aut | |
| 700 | 1 | |a Xie, Miaomiao |e verfasserin |4 aut | |
| 700 | 1 | |a Jing, Yukai |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Qiuyue |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Lai, Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Guan, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Forsman, Huamei |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Junming |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Lei, Jiahui |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Xingrong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Chaohong |e verfasserin |4 aut | |
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