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Lyme Disease Message Board


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Hi JP. No Lyme test is completely reliable.

Which lab did your Western Blot?

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

The IgM tests for a more recent infection, the IgG a longer standing one.

The CDC requires a large number of bands to show for it to be considered positive yet many people who have Lyme do not have this many bands show. Lyme doctors often focus on which bands show, some are specific for Lyme. It is important to be tested by a Lyme reputable lab such as IgeneX in Palo Alto, CA. They have more sensitive tests and list more bands on the Western Blot. Testing should be used as an aid in diagnosis not solely for diagnosis. A lyme knowledgeable doctor will not rely solely on test results to diagnose tick-borne illnesses.

Bands 23-25 and 39 are Lyme specific bands. I think your results combined with your symptoms are significant. I highly recommend that you see a Lyme doctor.





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