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RE: blood donor

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Yes!!!!  CD itself will not prevent you from donating but weight and anemia (iron) is checked as part of the screening.  I donate as often as I can (especially since the Red Cross calls my house to set up appointments for me!!!)!

On Tue, 21 Feb 2006 09:52:01 -0800 (PST), Sonja Flockhart wrote

> > I saw this as a response to someone getting diagnosed and it made me think; can people with CD be blood donors? Anyone know?

> Sonja>

>

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Yes you can give blood.

Robin K.

"He who sits on ice gets cold bottom."

From: SillyYaks [mailto:SillyYaks ] On Behalf Of Sonja FlockhartSent: Tuesday, February 21, 2006 12:01 PMTo: SillyYaks Subject: blood donor

I saw this as a response to someone getting diagnosed and it made me think; can people with CD be blood donors? Anyone know?Sonja

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It varies by individual collection program. Some programs won't take

blood from anyone with an auto-immune disorder. My local program

(Rhode Island Blood Center) DOES take celiac blood. I believe in

Canada that one cannot donate. But I could be wrong. I read it here:

http://www.glutenfreeforum.com/index.php?showtopic=4663

and the info may have changed since this was written.

And with a little more googling, I find this!

http://www.celiac.mb.ca/new.html

See the bottom line.

>

> I saw this as a response to someone getting diagnosed and it made me

think; can people with CD be blood donors? Anyone know?

> Sonja

>

>

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The only issue is recieving blood IF and it is IF you are IGA

deficient from what I've read. Celiacs are 3X more likely to be IGA

deficient that those in the average population (if I've got that

right, could have that stat wrong, so don't quote me on it.) That was

the Total Serum IGA level from your Celiac Disease panel, if you had

that done.

If you are IGA deficient you should probably talk to your doctor and

read up on it on the internet.

Rejoyce

Winchester, VA

>

> I saw this as a response to someone getting diagnosed and it made me

think; can people with CD be blood donors? Anyone know?

> Sonja

>

>

> ---------------------------------

> Yahoo! Mail

> Use Photomail to share photos without annoying attachments.

>

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Last year I went to donate blood and a Red Cross Blood Drive and was

told straight out that I could not donate blood. It had to do with

CD, and even though I'm on a GFD and don't have a CD diagnosis they

said no. Ironically, I don't see anything on the Red Cross' website

that indicates that you would be disqualified from donating blood

despite what I was told in person.

Sorry for the conflicting information.

Marie Arminger

> >

> > I saw this as a response to someone getting diagnosed and it made

me

> think; can people with CD be blood donors? Anyone know?

> > Sonja

> >

> >

> > ---------------------------------

> > Yahoo! Mail

> > Use Photomail to share photos without annoying attachments.

> >

>

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i read that celiacs are 10X more likely to be IgA deficient. one of

my kids is IgA deficient and we are having to do some different blood

testing to see if he has celiac like his sisters.

christine

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My two teenagers were just worked up for celiac - both were IgA deficient. One had a positive biopsy and the other one's was negtive. Kerrichristineheiner wrote: i read that celiacs are 10X more likely to be IgA deficient. one of my kids is IgA deficient and we are having to do some different blood testing to see if he has celiac like his sisters.christine

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>

> i read that celiacs are 10X more likely to be IgA deficient. one of

> my kids is IgA deficient and we are having to do some different blood

> testing to see if he has celiac like his sisters.

> christine

The IgA-less 'gene' is commonly found in the Super B8 haplotype which

is commonly found with Europeans that have Celiac Disease. Super B8

contains the DQ2.5 haplotype (DQA1*0501:DQB1*0201). Therefore anyone

who has celiac disease and is of NW european ancestry is about 3 to 4

times more likely, simply by linkage to have the IgA-Less phenotype.

The nodal peak for DQ2.5 is in the sardinian/basque population while

the frequency in the Irish, Welch, ish is high (~20%) which means

that close to 1/3rd of the population bears DQ2.5, the IgA less allele

is found only in some of these. Similar but lower frequencies are found

in the Scandinavian and Goth/N. Slavic derived populations of eastern

europe.

The other susceptibility DQ type is DQ8, I have not read of an

association between IgA-less, yet. The risk for DQ8 mediated disease is

nodal in mesoamerican/southamericans, bedohin, northern europeans,

eastern asians, scandinavians and iberians.

The bottom line is if your ancestry is 'richly' from NW europe

Northern or western) and you have CD, there is a pretty good chance you

may be IgA-less. The causative association with CD is unclear, it does

have an association, however, with misdiagnosis. The IgG from IgA-less

CD individuals is fairly affective positive reaction with hum-tTG, and

therefore the IgG test of Anti-tTG antibodies is the way to go. The

test for alpha-glaidin reaction is not effectively diagnostic. If you

are however IgA-less and react with alpha gliadin chances are you have

CD than if you are not IgA-less.

The two invasive tests are upper small intestine biopsy for mucousal

flattening, there are false negatives associated with this test because

of patchy villous atrophy. Recent papers suggest that some patients may

only have elevated intraepithelial lymphocytes for months to years

before clinical recognition is made.

A good strategy here is

1. Test IgA

If IgA-high

a. Sample gliadin antibody

b. Sample tTG antibody

C. Get High Res DQ typing done.

If DQ2.5 of DQ8 and If gliadin Ab high or tTG high then

assume CD. Dubious need for further testing if positive.

If IgA-less

a. DQ type is probably 2.5

b. Sample anti-gliadin IgG

c. Sample tTG-IgG

If b or c high assume CD. Dubious need for further testing

Note the trans type DQA1*0202:DQ1*0202/DQA1*0505:DQA1*0301 can produce

the " DQ2.5 " isoform.

If DQ type is 2.5, " trans " 2.5, or 8 and the antibody recognition is

below clinical limits then:

A. Mucousal biopsy. Flattening = Positive

B. Intraepitheal lymphocyte quantitation. Elevated = Positive.

Avoid gluten challenges. Lifelong risk for certain diseases are

elevated as a result of continued gluten consumption. This includes

irrevesible autoimmune diseases and lymphoma. A young child will

probably 'tolerate' such challenges better than an adult who has years

of exposure to gluten, although the reaction can be more severe in

children.

As for sibling tests. IIRC depending on the population between 1/4 and

1/16 children who have a DQ 2.5 or DQ8 will spontaneously convert to

CD+ in their lifetime. Since the child is IgA less you can assume the

child probably has DQ2.5. What this means is that the child may convert

to CD+ anytime in its life. This is actually a good thing because one

knows what symptoms to look for and how to test. Early diagnosis

knowing risk is much much better than belated diagnosis because the

risk was unknown. In general, most individuals who have a sibling with

CD and who later get CD generally contract the illness within 5 years

or so when the sibling got the disease. The other risk factors (many

and most unknown) for CD appear to affect the age of onset. Diabetes

{I) is also a factor amoung siblings, particularly europeans, and it is

unclear whether the two diseases are dependent or independent of each

other, but if the sibling is a male has type I diabetes and CD there is

a much higher risk in the family that a male with Type I diabetes will

also have CD, and vice versa, if the male has CD, then also risk for

Type I diabetes. The type I/CD linked risk is affected by factors that

appear to be nodal in the Channel region of NW europe. This risk is

early/very early onset for both diseases. So not only does one know

what to look for, but about what time to look for it, and other

potential signs of disease.

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Can you post references for these papers?

> -----Original Message-----

> From: Philip Deitiker

> The two invasive tests are upper small intestine biopsy for mucousal

> flattening, there are false negatives associated with this test because

> of patchy villous atrophy. Recent papers suggest that some patients may

> only have elevated intraepithelial lymphocytes for months to years

> before clinical recognition is made.

---

[This E-mail scanned for viruses by Declude Virus]

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wow! thanks for the info. i will probably have to read through it

several times for it all to make sence to me. one of my girls had

a biopsy that was negative for damage----but she had a raised level of

intrepithelial lymphocytes in one area. i think that we have been

able to catch the disease pretty early in our girls before a lot of

damage could take place. my husband and i are both from big families

and we have discovered that if you go back in our geneology that we

have an ancestral line that is connected. i don't know if it is by

blood or by marriage, but i will be interested to look it up some

time. as far as we know, no one in either of our families has ever

been diagnosed with celiac disease, although there are quite a few

autoimmune diseases in our families. i am hoping my son does not have

celiac also, but according to your info, it sounds like there is a

possibility that he will eventually have it.

christine

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