Yesterday I was corrected by an anti-vax proponent that a scientific article she sent me about glutamate toxicity on neurons was not meant to imply neurological dysfunction, it was meant to demonstrate glutamate's deleterious effect on vision. See yesterday's comments.
Apparently there are a few micograms of MSG in some vaccines, and anti-vax interests need to find medical literature to bend so that they can convince you that it is a contributing factor to their claims of vaccine injury. So let's look further at glutamate, a naturally-occurring amino acid, when conjugated with sodium (the stuff in table salt)- is the evil Monosodium Glutamate!
On vaccinetruth.org page 3 (again note the word "truth" there wouldn't be any bad information or bending reality here) we see the following:
...According to lead researcher Hiroshi Ohguro, his is the first study to show that eye damage can be caused by eating food that contains MSG. A report in the New Scientist this week explains that in the study, rats were fed three different diets for six months, containing either high or moderate amounts of MSG, or none. In rats on the high-MSG diet, some retinal nerve layers thinned by as much as 75 percent, and tests that measured retinal response to light showed they could not see as well...
When you look at the study it reveals that 150 g rats were fed 20 g of MSG per 100 g of food. That's like a 150lb person getting 2 lbs of MSG for every ten lbs of food! I'd guess eye damage would be the least of your worries! The work was published in the journal Experimental Eye Research.
Once again, not all of the facts are given. There seems to be the little factoid that a vaccination might have a few micrograms, or a millionth of the amount fed to rats for six months. Again, very deceiving.
The next paragraph tells us (after some uncited material):
Scientists know that a diverse number of disease conditions such as ALS, Alzheimer's disease, seizures, and stroke are associated with the glutamate cascade (Blaylock, 1994).
A quick search of the scientific literature on PubMed using "Blaylock 1994" as search criteria reveals 16 articles, none of which have anything to do with glutamate.
The statement is not necessarily false when taken at face value, it is just not used that way on the website. The glutamate cascade is an intracellular signaling pathway. When glutamate binds its receptor (naturally and you are doing it jillions of times each second) a series of events occurs. The receptor tells a membrane bound protein to dissociate and parts of it move throughout the cell, looking for an interaction partner, passing the message that glutamate has bound the receptor. With each intramolecular step (G-protein mediated signal transduction for the interested) the signal amplifies because the active protein can continue to interact with several partners. They can then interact with several, and so on, which is why this is called a cascade. Interruption or augmentation of the regulated processes is in fact associated with disease and disorders such as depression, bipolar disorder, Alzheimer's, etc.
The author neglects to tell you that this is a normal and natural process and does not mean that glutamate is CAUSING "ALS, Alzheimer's disease, seizures, and stroke", as it is implied. Again, a distortion of legitimate medical information, either outright lying or the author does not know better (personally, I'm guessing the latter in this case). Either way, she is bastardizing legitimate medical information information to scare parents into not giving medical treatment to their children (and not eat Chinese food!)
Next there's some study from 1957 that they had to resurrect to evidence against MSG, and I'm not going to go look it up to debunk it. Doesn't it get boring?
The last part is again a simple tactic of the anti-vaxers, a heartwarming anecdote:
Many parents of children with ADHD have found that elimination of MSG from their children's diets has resolved ADHD. In 1991, CBS's television program, "60 Minutes," did a segment on MSG. One of the children featured in the segment suffered from ADHD. His condition was resolved through elimination of MSG from his diet.
There you go. One kid's ADHD resolves after his parents stop feeding him Doritos. Go figure. I guess that solves that problem. Again, anecdote, one sample, no experimental controls, personal bias, blah, blah, blah.
All of this stuff is on that website and targeted explicitly to stop parents from vaccinating children. Don't just trust me, look it up yourself. There is nothing in that MSG section that stands up to further scrutiny. Nothing. It is all lies, distortions or extrapolations and it is being used to shape medical decisions.
The slanted distortion of MSG information can be used as a barometer for all information on the site- information, sometimes good studies, misrepresented or not scientific in the first place.