Intracellular Reverse Transcription of Pfizer BioNTech COVID-19 mRNA Vaccine BNT162b2 In Vitro in Human Liver Cell Line.
Intracellular Reverse Transcription of Pfizer BioNTech COVID-19 mRNA Vaccine BNT162b2 In Vitro in Human Liver Cell Line.
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DOI:
10.3390/cimb44030073
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发表时间:
2022-02-25
影响因子:
3.1
通讯作者:
De Marinis Y
中科院分区:
文献类型:
--
作者:
Aldén M;Olofsson Falla F;Yang D;Barghouth M;Luan C;Rasmussen M;De Marinis Y
Preclinical studies of COVID-19 mRNA vaccine BNT162b2, developed by Pfizer and BioNTech, showed reversible hepatic effects in animals that received the BNT162b2 injection. Furthermore, a recent study showed that SARS-CoV-2 RNA can be reverse-transcribed and integrated into the genome of human cells. In this study, we investigated the effect of BNT162b2 on the human liver cell line Huh7 in vitro. Huh7 cells were exposed to BNT162b2, and quantitative PCR was performed on RNA extracted from the cells. We detected high levels of BNT162b2 in Huh7 cells and changes in gene expression of long interspersed nuclear element-1 (LINE-1), which is an endogenous reverse transcriptase. Immunohistochemistry using antibody binding to LINE-1 open reading frame-1 RNA-binding protein (ORFp1) on Huh7 cells treated with BNT162b2 indicated increased nucleus distribution of LINE-1. PCR on genomic DNA of Huh7 cells exposed to BNT162b2 amplified the DNA sequence unique to BNT162b2. Our results indicate a fast up-take of BNT162b2 into human liver cell line Huh7, leading to changes in LINE-1 expression and distribution. We also show that BNT162b2 mRNA is reverse transcribed intracellularly into DNA in as fast as 6 h upon BNT162b2 exposure.
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DOI:
10.1016/j.ijid.2021.04.053
发表时间:
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期刊:
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases
影响因子:
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作者:
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DOI:
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发表时间:
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影响因子:
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DOI:
10.1056/nejmra1510092
发表时间:
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期刊:
The New England journal of medicine
影响因子:
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作者:
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影响因子:
5.4
作者:
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通讯作者:
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