Lettuce-Vectored mRNA Vaccines

by | Dec 2, 2022

I recently wrote an article in which I expressed serious concerns about the future widespread use of fast-tracked mRNA vaccines in livestock species to try to stop zoonotic pathogens before they can infect people. It could backfire badly if the proteins from pathogens get into animal-derived food products. This would be through an immunological mechanism called ‘oral tolerance’. This process is designed to prevent our gut and intestines from being in a constant state of inflammation as foreign food materials travel through them. It also prevents us from suffering chronic inflammation against the massive number of bacteria and viruses that live in our gastrointestinal tract. Inducing oral tolerance against pathogen-derived proteins could cripple a person’s ability to protect themselves against the pathogen being targeted.

I know a real journalist who understands what the terms ‘open-minded’, ‘critical thinking’, ‘objectivity’, and ‘follow the science’ mean. I respect them very much. They just brought my attention to some concerning research that is being conducted right now in the state of California in the United States of America.

For some reason, a group of scientists and the National Science Foundation, which is funding their research, feel it would be wise to make lettuce and spinach express proteins from pathogens by giving these plants the mRNA blueprints to work with. The idea is that people will eat these plants and this will induce an immune response that will protect them from a targeted disease. A report about this research from the University of California can be viewed at this link.

mRNA vaccines

Here are some key quotes from the report:

Ideally, a single plant would produce enough mRNA to vaccinate a single person

We are testing this approach with spinach and lettuce and have long-term goals of people growing it in their own gardens

Farmers could also eventually grow entire fields of it.

As per my previous article, the potential for veterinary mRNA vaccines or components/products thereof getting into food would likely be an unintended harm by those trying to protect animal and human health. But, turning edible plants into mRNA vaccine factories is intended to get people to consume the proteins encoded by the mRNA genetic blueprints. It takes what I formerly expressed as a theoretical risk and makes food-packaged pathogenic proteins a reality.

What could possibly go wrong?!?

Off the top of my head, here are some issues that should have been dealt with before this kind of research was ever considered for funding…

  • Does anyone associated with funding and conducting this research understand the concept of oral tolerance? Are they aware of the fact that other scientists have been using this precise strategy to harness the power of oral tolerance to cripple the immune system in a way that would prevent it from causing “autoimmune, allergic and inflammatory diseases”? What is the rationale for these scientists thinking that eating parts of pathogens in the context of food products is going to induce protective immune responses? The overwhelming weight of the scientific literature suggests that the most logical hypothesis is that it will render the immune system less able to respond to pathogens.

mRNA vaccines

(Source: Restorative Wellness Centre)

  • How could dosing with these kinds of vaccines ever be controlled if people were to grow them in their gardens?!? This is ludicrous. In theory, people could take as much as they want, whenever they want, and in the absence of oversight by a health professional? Talk about having no ability to regulate the administration of vaccines! With the fear-mongering that took place over the last two years, imaging how many SARS-CoV-2-derived spike proteins might have been consumed by some people if they could grow them in their backyard! Some people don’t understand that ‘more’ does not equal ‘better protection’ when it comes to vaccines; and could be counter-productive in some cases.
  • A vaccine requires a target protein(s) plus an adjuvant, which provides a danger signal to the immune system so it knows to respond to the target. How is lettuce and spinach, which people consume regularly, going to be perceived as dangerous by the immune system? One of the two main ingredients in the recipe seems to be missing.
  • If foodborne pathogen-derived proteins were somehow able to induce an aggressive immune response against a pathogen, is there a risk of this breaking tolerance to any of the other protein components of the food? If so, this could induce food allergies.

Where is the expert scientific oversight of research like this? I haven’t seen any evidence that an immunologist with expertise in the immunological subdiscipline of vaccinology is part of the research team. They need one. And I really question whether the National Science Foundation had an immunologist with expertise in vaccinology serving on the panel of scientists that reviewed the grant application for this research. They need one. If I was serving on such a review panel, I would have recommended that this grant application not receive funding.

Scientists need to stop doing things just because they can. Technological innovations do not automatically translate into good for the world. In my expert opinion, getting people to eat food expressing proteins from pathogens is likely a great recipe for rendering large numbers of people more susceptible to the very diseases the researchers would be aiming to protect us against.

The thought of lettuce- and spinach-vectored mRNA vaccines almost makes one want to become a carnivore!

But, unresolved risks of the future use of mRNA vaccines in food-producing animals could render things like meat an undesirable product.

So, what is one to do?

Oh, I know, we could follow the advice of Klaus Schwab’s World Economic Forum and just eat bugs and love it.

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