SAR- CoV-2 Spike Protein alone may cause Covid-19 Lung damage. Even without the Presence of intact virus.

Using a newly developed mouse model, researchers found that exposure to the SARS-CoV-2 spike protein alone was enough to induce COVID-19-like symptoms including severe inflammation in the lungs. The left images show healthy mouse lung tissue while the right images show tissue from mouse lungs exposed to the spike protein. Credit: Pavel Solopov, Old Dominion University

New mouse model makes it easier and safer to study COVID-19 lung injury.

Using a newly developed mouse model of acute lung injury, researchers found that exposure to the SARS-CoV-2 spike protein alone was enough to induce COVID-19-like symptoms including severe inflammation of the lungs.

SARS-CoV-2, the virus that causes COVID-19, is covered in tiny spike proteins. These proteins bind with receptors on our cells, starting a process that allows the virus to release its genetic material into a healthy cell.

“Our findings show that the SARS-CoV2 spike protein causes lung injury even without the presence of intact virus,” said Pavel Solopov, PhD, DVM, research assistant professor at the Frank Reidy Research Center for Bioelectrics at Old Dominion University. “This previously unknown mechanism could cause symptoms before substantial viral replication occurs.”

Solopov presented the new research at the American Society for Pharmacology and Experimental Therapeutics annual meeting during the virtual Experimental Biology (EB) 2021 meeting, held April 27-30.

Studying SARS-CoV-2 can be challenging because experiments involving the intact virus requires a Biosafety Level 3 laboratory. To overcome this hurdle, the researchers created a new model of acute lung injury that utilizes transgenic mice that express the human receptor for SARS-CoV-2 in their lungs.

“Our mouse model dramatically reduces the danger of doing this type of research by allowing COVID-19 lung injury to be studied without using the intact, live virus,” said Solopov. “This will greatly increase and diversify the ability to do COVID-19 research. Our model will also likely be useful for studying other coronaviruses.”

The researchers injected the genetically modified mice with a segment of the spike protein and analyzed their response 72 hours later. Another group of mice received only saline to serve as a control.

The researchers found that the genetically modified mice injected with the spike protein exhibited COVID-19-like symptoms that included severe inflammation, an influx of white blood cells into their lungs, and evidence of a cytokine storm — an immune response in which the body starts to attack its own cells and tissues rather than just fighting off the virus. The mice that only received saline remained normal.

“These findings show that the genetically modified mouse together with just a segment of the spike protein can be used to study SARS-CoV-2 lung injury,” said Solopov. “We can use this tool to develop a better understanding of how the spike protein causes lung symptoms — even without the intact virus — in order to develop new targets and therapeutics for COVID-19.”

The researchers plan to continue this line of investigation by using the new mouse model to study the effectiveness of several drugs in reducing the severity of acute lung injury and COVID-19.

Reference: “R4183 – Single intratracheal exposure to SARS-CoV-2 S1 spike protein induces acute lung injury in K18-hACE2 transgenic mice” by Pavel Solopov, DVM, PhD, Experimental Biology 2021.

 

 

 

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2 COMMENTS

  1. Soooooo, ….. what is it they are trying NOT to say ??? That perhaps the "Spike Protein" generated BY the quaxxine is going to damage the lungs of the "vaccinated" as though they had covid ??
    Considering what they have said here, …. this assumption doesn't seem like a far fetched one by any means.

  2. EXTREMLY URGENT : October 21 , 2021

    Global Intelligence Agency Blocks Siemens International & Subsidiaries Bank accounts For Continuing No Jab No Job Policy and Not Destroying all Vaccines Immediately that have been deemed Biological Weapons by the Global Health & Wellness Consortium That has replaced the WHO.

    https://www.unitednetwork.news/content/detail/61721ee96eb56a00156c7366/Live-at-5-with-Steffen-Rowe-10212021

    https://globalintelligence.agency/

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