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Genetic Testing For Celiac


AVR1962

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AVR1962 Collaborator

Has anyone here did the cheek swap genetic tesing for Celiac? Did docs listen to the results?


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shadowicewolf Proficient

i had the blood one.... came back positive.... and no my GI doctor still isn't convinced :(

ravenwoodglass Mentor

I got gene tested through Enterolab a few years after diagnosis because I wanted to know which genes I carried.

Gene testing is far from perfect though since there is still much to be learned about celiac associated genes. Also since folks can have celiac associated genes and not develop celiac it isn't really diagnostic but can be part of the diagnosic picture. However in the US they commonly only test for two of the most common genes and if you are a celiac that has a less common one, like me, your doctor may say you can never have celiac if you don't have one of those two genes.

AVR1962 Collaborator

Thanks for the replies. I have had several things going on.....thyroid, parathyroid along with all the intolerances so I/docs are trying to determine what is linked to what. Had an MRI yesterday and hoping this genetic tesing my help with answers as well.

ravenwoodglass Mentor

Thanks for the replies. I have had several things going on.....thyroid, parathyroid along with all the intolerances so I/docs are trying to determine what is linked to what. Had an MRI yesterday and hoping this genetic tesing my help with answers as well.

If it was a brain MRI if they find UBOs or bright white spots on the test that is diagnostic of celiac that has attacked the brain. Some neuros don't know this so if you have them and your doctor is one who doesn't post the results and I should be able to find some links about it form med journals that you canshow him.

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    • Jmartes71
      I had the test done by one of the specialist through second pcp I had only a few months because he was saying I wasn't.Even though Im positive HLA-DQ2 .My celiac is down played.I am with new pcp, seeing another girl doctor who wants to do another breathe test next month though Im positive sibo this year.I have high blood pressure not sure if its pain from sciatica or sibo, ibs or hidden gluten. Im in disability limbo and I should have never been a bus driver because im still suffering and trying to heal with zero income except for my husband. This isnt fare that my health is dictating my living and having ti beg for being revalidation of my disregarded celiac disease. Its an emotional roller coaster I don't want to be on and the medical made it worse.New pcp new gi, exhausted, tired and really fed up. GI doctor NOT girl..
    • Mari
      Hi Jmartes, It sure is difficult to get useful advice from medical providers. Almost 20 years  ago a Dr suggested that I might have Celiacs and I took a Celiac Panel blood test. No gluten challenge diet. On that test the tTG was in normal range but an alpha antibody was very high. I went online and read about celiac disease and saw how I could investigate this low tTG and still have celiac disease. Normal tTG can happen when a person had been reacting for many years. Another way is that the person has not been eating enough gluten to raise the antibody level. Another reason is that the tTG does not show up on a blood but may show up on a fecal test. Almost all Celiacs inherit at least one of the 2 main Celiac genes. I had genetic tests for the Celiac genes at Enterolab.com. I inherited one main Celiac gene from one parent and the report said that the DQ gene I inherited from my other parent, DQ6, could cause a person to have more problems or symptoms with that combination. One of my grandmother's had fairly typical symptoms of Celiacs but the other grandmother had severe food intolerances. I seem to show some problems inherited from both grandmothers. Human physiology is very complex and researchers are just beginning to understand how different body systems interact.  If you have taken an autosomal DNA test you can download your raw data file and upload it to Prometheuw.com for a small fee and search for Celiac Disease. If you don't find any Cekiac genes or information about Celiac disease  you may not have autoimmune gluten intolerance because more than 99% of Celiacs have one or both of these genes.  PLEASE ASK QUESTIONS IF YOU WANT TO KNOW EHAT i HAVE DONE TO HELP WITH SYMPTOMS.  
    • MogwaiStripe
      I can't prove it, but I truly believe I have been glutened by airborne particles. I used to take care of shelter cats once per week at a pet store, and no matter how careful I was, I would get glutened each time even if I wore a mask and gloves and washed up well after I was done. I believe the problem was that because I'm short, I couldn't do the the tasks without getting my head and shoulders inside their cages, and so the particles from their food would be all over my hair and top of my shirt. Then I had to drive home, so even if I didn't get glutened right then, the particles would be in my car just waiting for me to get in the car so they could get blown into my face again. I gave up that volunteer gig and stopped getting glutened so often and at such regular intervals.
    • knitty kitty
      Hello, @MogwaiStripe, Vitamin D is turned into its activated forms by Thiamine.  Thiamine deficiency can affect Vitamin D activation. https://pubmed.ncbi.nlm.nih.gov/14913223/ Thiamine deficiency affects HLA genes.  HLA genes code for autoimmune diseases like Celiac, Thyroiditis, Diabetes, etc.  Thiamine deficiency inside a cell triggers a toggle switch on the gene which in turn activates autoimmune diseases carried on the gene.  The reference to the study is in my blog somewhere.  Click on my name to go to my page, scroll down to the drop down menu "Activities" and click on blogs.  
    • knitty kitty
      Hello, @annamarie6655, Yes, there's many of us who react to airborne gluten!   Yes, animal feed, whether for chickens or cats or dogs, can release airborne gluten.  I can get glutened from the bakery section at the grocery store.   The nose and mouth drain into the digestive system and can trigger systemic reactions.   I find the histamine release in response to airborne gluten will stuff up my sinuses and bother my eyes.  High histamine levels do cause anxiety and migraines.  The muscle spasms can be caused by high histamine, too.  The digestive system may not manifest symptoms without a higher level of gluten exposure.   Our bodies make an enzyme, DAO (diamine oxidase), to break down histamine.   Pyridoxine B 6, Cobalamine B12, Vitamin C, copper, zinc, and iron are needed to make DAO.  DAO supplements are available over the counter.  Taking a B Complex supplement and additional Thiamine in the form Benfotiamine or TTFD (tetrahydrofurfuryl disulfide) helps reduce the amount of histamine being released.  Mast cells without sufficient Thiamine have an itchy trigger finger and release histamine at the slightest provocation.  Thiamine helps mast cells refrain from releasing their histamine.    I find taking additional TTFD thiamine helps immensely with neurological symptoms as TTFD can easily cross the blood brain barrier without a carrier.  High histamine in the brain can cause the muscle spasms, anxiety and migraines.  Vitamin C really helps with clearing histamine, too.   The Digiorno pizza mystery reaction could have been caused by a reaction to the cheese.  Some people develop lactose intolerance.  Others react to Casein, the protein in dairy, the same as if to gluten because Casein resembles the molecular structure of gluten.  An enzyme used in some dairy products, microbial transglutaminase, causes a gluten reaction because it is the same as the tissue transglutaminase our bodies make except microbes make it.  Those tTg IgA blood tests to diagnose celiac disease measure tissue transglutaminase our bodies release as part of the autoimmune response to gluten.   You're doing great!  A Sherlock Holmes award to you for figuring out the connection between airborne gluten and animal feed!!!  
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