Mushroom Model: Don’t Believe Every Thing You Read


As this is MS awareness week, I think we have to
be aware of what you look at and know that you don’t have to believe everything you read.

Who would just orate about nonsense in order to confuse and shape minds? Well it is all over the place. I know “Don’t
believe everything you read” is going to haunt me….as we will get a flurry of comments that “you
talk rubbish blah, blah blah” or thoughts of this at least :-).

However, it is meant to be words of caution. Much of the stuff that we post here will turn out to be wrong, some of it we can spot or suspect when it is published some of it we can not. Maybe we should rate them with numbers of mushrooms to represent the level of “mushroom food” that they represent, but that would get us into trouble with the authors of the papers. However, speaking of mushrooms

Whilst surfing the internet for stuff on CCSVI and reaction to the AAN, I came across a post from someone, a critic of Team G who claims to talk like a Doctor, posting on animal models. It was suggested that “The insight should be compulsory reading for all doctors”. Without wanting to bore you with the content but pass on some of the insight. I just wanted to mention their “favorite
description of what’s wrong with
EAE (An animal model of MS), attributed to be “from Dr. Michael Dake” (I believe an Interventional radiologist = venoplasty doc). It was written that

“There’s an animal model, but it’s not
really, unfortunately, like most animal models, it’s not really a human model. Basically,
you take like a mish of ground up spinal cord and brain from some other species,
you mix it with some oily substance, some TB bacilli, and some bordatella
pertussis, some whooping cough toxin, and inject it into peridium,  and
what you get is this whopping inflammatory response, and that’s good because
you get the accelerated disease process, but obviously in humans, it’s a much
more chronic and progressive thing”…..”
with MS haven’t had this cocktail of viruses injected into their brains”

Dr. Dork seemingly has no real knowledge of doing experimental MS
work or maybe there are loads of typos (I know kettle and black 🙂) or it was just lost in translation but this is a description of a new model
variant in a MUSHROOM.
This would be good 3Rs stuff but..


Let us look at what was written. First off it is an animal model of human disease. A human model “of human disease” would involve experimenting on humans, which I don’t think is ethical for drugs just comming off the drawing board, although it has been suggested by someone on the Blog…..really. Yes, people do experiment on MS, but this is not a model, it is the real thing!

I accept that the method to induce MS-like disease sounds unpleasant but lets look at the content of the above insightful? 🙂 comments.

You take a mixture of ground up spinal cord and brain. [WRONG. You take spinal cord because it contains comparatively more myelin in the rodent and you do not usually use brain, which often would not work] from some other species [WRONG. You usually take from the same species. There are cases such as in rats where guinea pig spinal cord was often used], you mix it with some oily substance [Freunds incomplete adjuvant], some TB bacilli [Misleading. These are killed Mycobacterium tuberculosis-the bacteria that causes tuberculosis and/or Mycobacterium butyricum and is then called Freunds complete adjuvant. This is used to stimulate the immune system to the substance mixed with it], some bordatella pertussis [WRONG It is Bordetella pertussis toxin, which is the toxin from the bacteria causing whooping cough. Killed Bordettela pertussis bacteria are not usually used to induce EAE compared to the toxin that is used. This makes white blood cells divide and grow. This is often not required to induce EAE]. Whooping cough toxin [This is Bordetella pertussis toxin as above….so you are doing the same thing that is already mentioned] and inject it into the peridium [WRONG. This is a covering of where the spores of a fungi are stored. Mushrooms are fungi. Fungi are not animals so it would not be an animal model but a mushroom model :-). Was the word perineum I doubt it, but maybe peritoneum, which is the peritoneal cavity which is the bit where you intestines live below the lungs. However, this is largely WRONG as it is usual to inject under the skin]. You get the accelerated disease process, but obviously in humans, it’s a much
more chronic and progressive thing [WRONG so what?
They would not be much of a model if you had to wait twenty to thirty years for it to develop or last fifty years. Animal models have been developed that develop progressive and chronic disease]. People
with MS haven’t had this cocktail of viruses [WRONG there has been no introduction of viruses, the injection protocol above uses killed bacterial products] injected into their brains [WRONG it would not work if injected into the brain, because they have limited lymph gland drainage, it is injected under the skin so the immune-causing material is directed towards the lymph nodes].

P.S. The rest of the commentary centres around neutrophils, which are not reported to have much of a role in MS, and apparent differences between animals and humans.

There is lots of information of the web, some of it is more accurate than other stuff. Do you remember Doing a scully (another post on mushrooms). You need to do your homework and check words to make sure that you understand what is being said and importantly to convince yourself that it is accurate. It is easy to throw in some science that sounds plausible but does not hang together coherently. Check out the source of the fact, is it some company blurb, a reputable source or a crusader. It is easy to pass a lot of information off as fact, when it may be meerly mushroom food. 

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  • If i was to induce EAE in mice i would surely ask you, MD, for the exact protocol. But, if i was to have my veins examined i would turn to Dr. Dake or some other IR. I wouldn't ask a neurologist to advise me on the danger of having immobile vein valves.

    The message i get from the "mushroom" post, leaving all erroneous and misleading information aside, is that EAE is not a good model of MS. That's the purpose of the internet article where this post has derived. Fortunately, it is not restricted to this false description of EAE but has links to published articles that stress the difference between human and rodent immune system.

    I agree with your comments, but they miss the essence. The look at the tree, rather than the forest.

  • Mice have fur, mice have a tail, mice have etc.

    Guinea pigs have kurloff cells

    Mice are not rabbits, both rabbits and mice have different ratios of polymorphs

    What have polymorphs got to do with MS?…..Based on current thoughts not alot. So what happens
    to the idea then?

    Do you want me to say about other differences between human and mouse immune responses like longevity of DTH responses etc.

    Use with your eyes open and not a shut mind.

    Many clinicians will say both drinking tea and eating ice cream are irrelevant to susceptibility MS, however it is clear that neither tell us anything about the reality of immobile valves in MS.

  • PS polymorph = polymorphonuclear neutrophils (PMN) because of multi- lobed nucleus and neutral stain profile with and acid and basic sensing dye.

By MouseDoctor



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