a reply to:
JBHemi
No one knows JB...
The original variant really was a marvel of viral engineering.
It had four different types of cellular attachment capabilities, and was Neuroinvasive meaning it could and did infect the brain, the spinal cord,
brain stem, the cardio-respiratory center in the brain, anything and everything. There's never been anything like it come out of nature that I can
find.
Let's compare and contrast. HIV was different than anything that had ever been seen before because it was so sneaky.
When HIV first appeared, I was a highly "active" single guy, heterosexually so, but nonetheless, I paid a lot of attention.
Most people who contracted HIV would feel nothing but a couple days of malaise, maybe a sore throat and low grade fever within a couple weeks of
infection, then do fine for months to years. Then when the virus had broken down enough of their defenses, they get something weird like shingles over
100% of their body, multiple carcinomas in a short time, or an upper respiratory infection that would never go away.
But HIV is not it's own agent of infection like Covid is. HIV has one way of attacking the body, or type of attachment:
HIV enters macrophages and CD4-positive T cells (CD4 is a glycoprotein receptor found on cells) by the adsorption of glycoproteins on its surface to
receptors on the target cell, followed by fusion of the viral envelope with the cell membrane and the release of the HIV capsid into the cell.
Which means that HIV doesn't actually kill you, it just unlocks the door to let all the other killers in. The original variant of Covid19 replicated
thousands of times faster than HIV.
There was a group of researchers in taiwan that were decoding this thing in astonishing time, what they found is that Covid-19, like HIV could bypass
the immune system's first line of defense, and carried with it a cache of weapons with which to wipe you out once it had taken out the guards.
ACE-2 Receptors
The first is via the ACE2 receptors found on human cell membranes and it’s a typical mode of most coronaviruses. (The original variant, SARS-CoV-2
coronavirus had a plus 80 percent genomic matching to the previous SARS virus, hence it explains this property that it possesses)
Furin Enyme Cleavage
As the findings of the new study indicates that the new SARS-CoV-2 coronavirus has a mutated gene similarly found on the HIV virus, it is also able to
attack human cells via the target called furyn, which is an enzyme that works as a protein activator in the human body. Typically many proteins are
inactive or dormant when they are produced and have to be “cut” at specific points to activate their various functions which furyn does in the
human cellular pathways. So Covid had the ability to splice itself into the enzyme activation of T-cells and shut down the initial immune response.
GRP78 Receptors
Another, which was at the time non-peer reviewed study that was released by the researchers from the University of Cairo, Egypt which ,came to the
same conclusion as the Taiwanese group indicating that the spike proteins in the SARS-CoV-2 coronavirus is also able to bind to the GRP78 receptors
(Glucose Regulated Protein 78) on human cells
(from another source explaining GRP78 Receptors)
www.ncbi.nlm.nih.gov...
Cell surface GRP78 (csGRP78, glucose-regulated protein 78 kDa) is preferentially overexpressed in aggressive, metastatic, and chemo-resistant cancers.
GRP78 is best studied as a chaperone protein in the lumen of endoplasmic reticulum (ER), facilitating folding and secretion of the newly synthesized
proteins and regulating protein degradation as an ER stress sensor in the unfolded protein pathway. As a cell surface signal receptor, multiple
csGRP78 ligands have been discovered to date, and they trigger various downstream cell signaling pathways including pro-proliferative, pro-survival,
and pro-apoptotic pathways. In this perspective, we evaluate csGRP78 as a cell surface death receptor and its prospect as an anticancer drug target.
The pro-apoptotic ligands of csGRP78 discovered so far include natural proteins, monoclonal antibodies, and synthetic peptides. Even the secreted
GRP78 itself was recently found to function as a pro-apoptotic ligand for csGRP78, mediating pancreatic β-cell death.
GRP78 when activated signals pancreatic cells to die, couple that with the occurence of severe pancreatitis observed in covid patients, very stong
possibility that this research is accurate.
CD147 Receptors
The latest study shows that SARS-CoV-2can invade human host cells via a novel route of CD147-spike protein (SP). SP bound to CD147, a receptor on the
host cells, thereby mediating the viral invasion.
Past studies have shown that CoVs are non-segmented positive sense RNA viruses, which primarily cause enzootic infections typically in birds and
mammals and have demonstrated strong lethality in humans.
These coronaviruses are known to have four structural proteins, including E, M, N and S protein. The primary determinant of CoVs tropism is the S
protein, which binds to the membrane receptor on the host cells, mediating the viral and cellular membrane fusion.
CD147, also known as Basigin or EMMPRIN, is a transmembrane glycoprotein that belongs to the immunoglobulin superfamily, which is involved in tumor
development, plasmodium invasion and virus infection.
Past researches show that CD147 plays a functional role in facilitating SARS-CoV invasion for host cells, and CD147-antagonistic peptide-9 has a high
binding rate to HEK293 cells and an inhibitory effect on SARS-CoV. These researches affirm the importance of CD147 in virus invasion for host
cells.
As a result of the similar characteristics of SARS-CoV and SARS-CoV-2, the researchers decided to conduct the new study to investigate the possible
function of CD147 in invasion for host cells by SARS-CoV-2.
Their study confirmed that the SARS-CoV-2 invaded host cells via a novel route of CD147-SP.
The last one, I suspect, is why it has been reported that people had clotting issues when they are in the final stages of succumbing to this virus, it
destroys red blood cells by shredding the cell membrane causing dams of parts of platelets in the small capillaries.
A nurse friend of ours who was a traveling covid nurse during the worst of the pandemic backs this up. She said that the worst of the cases she had,
late in progression and close to death, their blood was more like water than blood.
Thankfully, as viruses always do, in it's drive to survive, it evolved to be less deadly.
As to what could happen down the road with the virus or the vaxx, ever watch the walking dead??