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» LymeNet Flash » Questions and Discussion » Medical Questions » my son's western blot

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Author Topic: my son's western blot
beachtime
Junior Member
Member # 12671

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hello, I am new on this board but I wanted to ask a question...after doing some searching I am still not sure if my son's results point to anything but from reading here it might...
IgM
everything - except:
**31 kDa IND
**41 kDa IND
66 kDa +

IgG
everything - except:
**41 kDa

his IFA, B Burgdorferi G/M/A result was <1:40 titer, which is negative

both western blots IgG, IgM result was listed as neg for Igenex and CDC/NYS

do I something to be concerned about ?
thanks

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Sammi
Frequent Contributor (1K+ posts)
Member # 110

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Hi beachtime.
Below is the breakdown of the Western Blot bands:

9 cross-reactive for Borrellia
12 specific for Bb
18 unknown
20 cross-reactive for Borrellia
21 unknown
22 specific for Bb, probably really the 23/25 band
23-25 outer surface protein C (OspC), specific for Bb
28 unknown
30 unknown; probably an outer surface protein; common in European and
one California strain
31 outer surface protein A (OspA), specific for Bb
34 outer surface protein B (OspB); specific for Bb
35 specific for Bb
37 specific for Bb
38 cross-reactive for Bb
39 is a major protein of Bb flagellin; specific for Bb
41 flagellin protein of all spirochetes; this is usually the first to appear after a Bb infection and is specific for all Borrellia
45 cross-reactive for all Borellia (sometimes people with Lyme who have
this band positive also have the co-infection Ehrlichiosis)
50 cross-reactive for all Borrellia
55 cross-reactive for all Borrellia
57 cross-reactive for all Borrellia
58 unknown but may be a heat-shock Bb protein
60 cross reactive for all Borrellia
66 cross-reactive for all Borrelia, common in all bacteria
83 specific antigen for the Lyme bacterium, probably a cytoplasmic membrane
93 unknown, probably the same protein in band 83, just migrates differently in some patients


From what I understand, the IgM tests for a more recent infection, the IgG a longer standing one. Band 41 is often the first to show, and his is positive on both. Band 31 is a Lyme specific band and his is IND.

How old is he? Is he having symptoms? If you would like a doctor recommendation, feel free to PM me.

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Geneal
Frequent Contributor (5K+ posts)
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Maybe a 28 day course of antibiotics followed by retesting ten days after

He finishes the meds would give you more specific info.

Is he symptomatic?

My daughter had IND bands for band 34 and 39 (IgM) and 41++ IgG.

She was highly symptomatic.

Doing better with antibiotic therapy.

Hugs,

Geneal

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RoadRunner
Frequent Contributor (1K+ posts)
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beachtime

sammi info is great as always

get to LLMD as soon as possible you don't what kid to get sick.

post in seek doctor or PM me.


RR

--------------------
"Beep Beep"

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drdre
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Just try doxycycline. Very well tolerated antibiotic with slight stomach upset. Try it for at least a few weeks and see if there is any improvement. Only way to know for sure. Medicine is still in the dark ages.... Lyme was just discovered in my lifetime... the 80's, maybe it's something similar enough
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TerryK
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I am not a doctor but I personally don't think his tests point to anything in particular. That said, there have been many documented cases of seronegative lyme disease which is why lyme is a clinical diagnosis and not just based on blood tests. As you've probably read here, blood tests are not very accurate. Also, most of the co-infections don't have very accurate testing either.

If you have reason to believe that your child has lyme disease, please seek an LLMD (Lyme literate MD) as has already been suggested. Not a good idea to put a child on prescription medication unless under the care of a doctor and if you want to know about the possibility of lyme or co-infections then you need an LLMD.

Good luck,
Terry

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