The messenger RNA (mRNA) from Pfizer’s COVID-19 vaccine is able to enter human liver cells and is converted into DNA, according to Swedish researchers at Lund University.
The researchers found that when the mRNA vaccine enters the human liver cells, it triggers the cell’s DNA, which is inside the nucleus, to increase the production of the LINE-1 gene expression to make mRNA.
The mRNA then leaves the nucleus and enters the cell’s cytoplasm, where it translates into LINE-1 protein. A segment of the protein called the open reading frame-1, or ORF-1, then goes back into the nucleus, where it attaches to the vaccine’s mRNA and reverse transcribes into spike DNA.
Reverse transcription is when DNA is made from RNA, whereas the normal transcription process involves a portion of the DNA serving as a template to make an mRNA molecule inside the nucleus.
“In this study we present evidence that COVID-19 mRNA vaccine BNT162b2 is able to enter the human liver cell line Huh7 in vitro,” the researchers wrote in the study, published in Current Issues of Molecular Biology. “BNT162b2 mRNA is reverse transcribed intracellularly into DNA as fast as 6 [hours] after BNT162b2 exposure.”
BNT162b2 is another name for the Pfizer-BioNTech COVID-19 vaccine that is marketed under the brand name Comirnaty.
The whole process occurred rapidly within six hours. The vaccine’s mRNA converting into DNA and being found inside the cell’s nucleus is something that the Centers for Disease Control and Prevention (CDC) said would not happen.
“The genetic material delivered by mRNA vaccines never enters the nucleus of your cells,” the CDC said on its web page titled “Myths and Facts about COVID-19 Vaccines.”
This is the first time that researchers have shown in vitro or inside a petri dish how an mRNA vaccine is converted into DNA on a human liver cell line, and is what health experts and fact-checkers said for over a year couldn’t occur.
The CDC says that the “COVID-19 vaccines do not change or interact with your DNA in any way,” claiming that all of the ingredients in both mRNA and viral vector COVID-19 vaccines (administered in the United States) are discarded from the body once antibodies are produced. These vaccines deliver genetic material that instructs cells to begin making spike proteins found on the surface of SARS-CoV-2 that causes COVID-19 to produce an immune response.
Pfizer didn’t comment on the findings of the Swedish study and said only that its mRNA vaccine does not alter the human genome.
“Our COVID-19 vaccine does not alter the DNA sequence of a human cell,” a Pfizer spokesperson told The Epoch Times in an email. “It only presents the body with the instructions to build immunity.”
More than 215 million or 64.9 percent of Americans are fully vaccinated as of Feb. 28, with 94 million having received a booster dose.
The Swedish study also found spike proteins expressed on the surface of the liver cells that researchers say may be targeted by the immune system and possibly cause autoimmune hepatitis, as “there [have] been case reports on individuals who developed autoimmune hepatitis after BNT162b2 vaccination.”
By Meiling Lee
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