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You asked for it: Yes, there is. It's for research. Abs to the mGluR1 subunit of metabotropic Glu receptor 1 have been found in small groups of ataxia pts. They're also detected in nonimmunological neurological diseases eg stroke & trauma but these may be epiphenomena (due to spillage of cell contents outside the blood-brain barrier). If you're concerned, my advice is: Find something else to worry about. ...Read moreSee 1 more doctor answer
An organ, cell or molecule that accepts an outside signal and causes an internal change. Eyes receive light, touch receptors send messages to the brain when stimulated by pressure and estrogen receptors bind Estradiol causing responses of normal breast, ovary and uterus cells to rising and falling levels of the female steroid hormones. Most of the time "receptor" refers to one ...Read more
Which glutamate receptor(s) are affected negatively by monosodium glutamate: ampa, nmda, and/or kainate?
Yes. Great Question!: The Amino Acid glutamate plays a central role in nitrogen metabolism & participates in multiple biochemical pathways. Disease examples: autoantibodies to the glutamate receptor kill neurons via activation of the receptor ion channel. Anti-nmda receptor encephalitis is a treatment-responsive inflammatory encephalopathic autoimmune disease associated with anti-nmda receptor antibodies. ...Read more
Is there a test to detect autoantibodies against peripheral glutamate receptors (glutamate receptors in peripheral tissues)...?
What things, in the body, regulate glutamic acid? Glutamic acid decarboxylase? Glutamate receptors (nmda, ampa...Etc.)? What else is involved?
It's complicated...: There are some very exciting discoveries on the metabolism of glutamate... There are multiple pathways impacting on things such as gaba neurotransmitter, nitrogen clearance from the liver portal, etc... These pathways play vital roles in survival! please read this.... And email me your questions if you'd like! http://voh.Chem.Ucla.Edu/vohtar/spring04/classes/153ch/pdf/kelly%20and%20stanley.Pdf. ...Read more
L-glutamic acid gives me severe dysesthesias. D-glutamic acid is worse. Could I have glutamate metabolism disorder or glutamate receptor antibodies?
Possibly but...: Good question without an easy answer. Glutamate is an "excitotoxin" that is not healthy for anyone but some people are more sensitive to it than others. There are a variety of uncommon glutamate metabolism disorders but you do not need to have one of these to be adversely affected by glutamate. Dysesthesias are not a known symptom of antibodies to glutamate receptors. See my comments:. ...Read more
What would cause an intolerance to glutamic acid? Gad autoantibodies? Gad deficiency? Glutamate receptor autoantibodies(anti-nmda, anti-ampa)?
None of the above.: Msg - ubiquitous Amino Acid and major excitatory neurotransmitter in brain. Studied extensively. Does not cause allergy or intolerance except at high dose and only then in susceptible persons when given in large doses without food. See fda, j. Nutrition, food chem and toxicology, etc. ...Read moreSee 1 more doctor answer
Msg makes me have panic attacks and burning pain all over with extreme irritability. Is this caused by glutamate receptor problem or channelopathies?
MSG symptom complex : The proposed mechanism is though to involve exaggerated sensitivity to msg which is metabolized to glutamate, a dominant excitatory Amino Acid neurotransmitter. Msg is a normal constituent of food protein and rarely causes symptoms when excess amount are not added to food. The complex has to do with upregulation of normal receptors as opposed to a channelopathy or a glutamate receptor problem. ...Read more
In Heavens name WHY?: Glutamate activates NMDA receptors. Neuronal receptors are proteins that float around in neurons' cell membranes. NMDA receptors are only about 1% of cerebral neuronal receptors but they are widely distributed throughout the entire brain. They play a part in long-term potentiation, which is believed to be one of the mechanisms of learning & memory. Why on EARTH would you want to neutralize that? ...Read moreSee 1 more doctor answer
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