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BTD Forums    Diet and Nutrition    SWAMI Xpress  ›  Duffy blood type test
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Duffy blood type test  This thread currently has 940 views. Print Print Thread
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C_Sharp
Thursday, November 19, 2009, 4:56am Report to Moderator Report to Moderator

Teacher Rh+ Lewis: a+b-, NN,Taster
Sa Bon Nim
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SWAMI Xpress GenoType allows one to enter a duffy blood type if theey know it.

I was curious how much SWAMI results changed when people included Duffy blood type.

Those who have been tested, where did you get it done?

Also approximately how much does Duffy testing cost?

Thanks


MIfHI                            I follow a SWAMI diet.

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C_Sharp  -  Friday, November 20, 2009, 7:21am
Fix Swami reference
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Lola
Thursday, November 19, 2009, 4:59am Report to Moderator Report to Moderator

GT1; L (a-b-); (se); PROP-T; NN
Sa Bon Nim
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maybe Captain Jane will know how this test is done......


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Vista
Thursday, November 19, 2009, 12:05pm Report to Moderator Report to Moderator

SWAMI Xpress GT4 Explorer, Le(a-b-)
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In Sweden I asked the Blood Donating Central to print out all the data they had on me (including Rh status, A type) and there was also my Duffy blood group included, so if You are a blood donor maybe they can print out the info to You for free.


mtDNA haplogroup I
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Captain_Janeway
Thursday, November 19, 2009, 10:06pm Report to Moderator Report to Moderator

47% Explorer/Super Taster
Kyosha Nim
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Quoted from C_Sharp
SWAMI Xpress allows one to enter a duffy blood type if theey know it.

I was curious how much SWAMI results changed when people included Duffy blood type.

Those who have been tested, where did you get it done? Mine was done at the Red Cross, blood donor information
Also approximately how much does Duffy testing cost? Not sure, would try asking a community blood bank such as Red Cross or others
Thanks


Where do you put the results? My SWAMI does not have a specific place for it.



Rh Neg, Le(a+b-), NN, Fy(a-b+)

INTP/INTJ at work
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C_Sharp
Thursday, November 19, 2009, 10:35pm Report to Moderator Report to Moderator

Teacher Rh+ Lewis: a+b-, NN,Taster
Sa Bon Nim
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Quoted from Captain_Janeway


Where do you put the results? My SWAMI does not have a specific place for it.



Oops!

It only present in SWAMI GenoType. I thought it was asked for in SWAMI Xpress, but it is not.

On SWAMI GenoType it is in the second section after Lewis Blood Group and before MN Blood Group.  

I will have to try some of the groups I have donated blood with, they have never volunteered this information.     


MIfHI                            I follow a SWAMI diet.
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Lola
Friday, November 20, 2009, 1:55am Report to Moderator Report to Moderator

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Sa Bon Nim
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does the test go by any other name Jane?

is it called Duffy all over the world?

what were your duffy test results?

the reason I ask is because supposedly, a either plus or minus
as well as b either plus or minus are also a variant....
similar to Lewis results?

if I m a LDN, would my Duffy result also be (a- b-)?


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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C_Sharp
Friday, November 20, 2009, 3:42am Report to Moderator Report to Moderator

Teacher Rh+ Lewis: a+b-, NN,Taster
Sa Bon Nim
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Quoted from Lola


if I m a LDN, would my Duffy result also be (a- b-)?


The Lewis and Duffy are two independent blood typing systems even though they use the same letters.

So your Duffy Status is not affect by Lewis, the same as Lewis is not affected by Rh.

A double negative for Duffy would tend to indicate you are of African Heritage. A double negative is rare in other racial groups.


MIfHI                            I follow a SWAMI diet.
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Lola
Friday, November 20, 2009, 6:00am Report to Moderator Report to Moderator

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Sa Bon Nim
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thanks again C!

hope Jane can explain how the duffy test is done in a lab, or by what other name one might be able to ask for it, in a foreign country, like mine....where asking for the Lewis test is not a common factor.
yet the secretor test via saliva is based on hemagglutination inhibition, and that, lab personnel seem to be more aware of or at least understand what one is talking about.


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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C_Sharp
Friday, November 20, 2009, 7:09am Report to Moderator Report to Moderator

Teacher Rh+ Lewis: a+b-, NN,Taster
Sa Bon Nim
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Sounds like (unlike Lewis) Duffy is important to know for blood transfusions so hospitals should be testing for it.


MIfHI                            I follow a SWAMI diet.
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Lola
Friday, November 20, 2009, 7:42am Report to Moderator Report to Moderator

GT1; L (a-b-); (se); PROP-T; NN
Sa Bon Nim
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wish me luck!


''Just follow the book, don't look for magic fixes to get you off the hook. Do the work.'' Dr.D.'98
DNA mt/Haplo H; Y-chrom/J2(M172);ISTJ
The harder you are on yourself, the easier life will be on you!
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Andrea AWsec
Friday, November 20, 2009, 1:00pm Report to Moderator Report to Moderator

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Kyosha Nim
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Next blood drive at work i will look into it, curious? I never have given blood but for this I would. I am a pretty typical A so not that it would matter much but information it always good.


MIFHI

"Do not try to satisfy your vanity by teaching a great many things. Awaken people's curiosity. It is enough to open minds; do not overload them." Anatole France

"Healthy people have the least overt symptoms from eating avoid foods." Dr. D'Adamo
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Captain_Janeway
Friday, November 20, 2009, 4:02pm Report to Moderator Report to Moderator

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Kyosha Nim
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Quoted from Lola
thanks again C!

hope Jane can explain how the duffy test is done in a lab, or by what other name one might be able to ask for it, in a foreign country, like mine....where asking for the Lewis test is not a common factor.
yet the secretor test via saliva is based on hemagglutination inhibition, and that, lab personnel seem to be more aware of or at least understand what one is talking about.


Duffy is tested with the anti Duffy antisera. It is tested the same way Lewis is tested only with different antisera.

If I remember correctly, the Duffy sera is made by immunising goats like the Lewis antisera.

Most people are Fy(a+b+), I tested as Fy(a-b+).


Rh Neg, Le(a+b-), NN, Fy(a-b+)

INTP/INTJ at work
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Vista
Friday, November 20, 2009, 7:24pm Report to Moderator Report to Moderator

SWAMI Xpress GT4 Explorer, Le(a-b-)
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Age: 41
If one is a blood donor it is easy and for free to get info about different phenotypes they have tested. The data I got from Blood Donating Central in Sweden on me was the following:

A1+ D- C- c+ E- e+ S- s+ K- Fya- Fyb+ Jka+ Jkb+

On my father they also had Lewis status. I had to pay extra though to have my Lewis status.

Duffy negative people (Fya- Fyb-) are resistant to Vivax Malaria.


mtDNA haplogroup I
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