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Jill Herendeen's avatar

To insure SAFETY of ANY pharmaceutical product, all that's needed is for everyone who stands to make a cent off if that product (including all pols & bureaucrats hyping its sale/use), together with their entire family, be required to have that product tested ON THEM for as long as it takes to prove that it's not harmful. The fact that none of these ppl EVER volunteers to be a lab rat (except in phony photo-ops) says everything we need to know about that product's safety.

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Calypso's avatar

“3.       There is no significant defense against the DNA fragments once they enter the cell.  The one defense mechanism one could reference is the lysosome, but that would be judged insignificant.”

Technically speaking, there are defenses against foreign DNA inside the cell:

"Regulation of the cytosolic DNA-sensing system in innate immunity: a current view"

https://www.sciencedirect.com/science/article/abs/pii/S0952791509000077?via%3Dihub

However, practically speaking, these mechanisms do not provide complete protection. In the present context of Pfizer shots, with the massive number of DNA fragments getting dumped into a limited number of cells, many of the pieces will end up in cell nuclei. Do the large numbers overwhelm the innate cellular defenses? Are the fragments actively transported towards the nucleus and imported thru the nuclear pores, or does this happen by simple diffusion? The former may be more likely for large fragments of the kilobase range, while the latter may be more likely for those under 100bp. But regardless of the exact mechanisms, we already know from decades of research experience that a proportion of foreign DNA inserted into a cell will end up in the nucleus were it can directly interact with genomic DNA and this will result in insertion mutations at some frequency.

With large numbers, low probability events become inevitable.

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