Lyme CD57 Test
THE CD-57 Striker Panel Test

Our ability to measure CD-57 counts represents a breakthrough in Chronic Lyme Disease treatment. It can be used to help determine how active the infection is, how well the treatment is working, and whether, after treatment ends, a relapse is likely to occur!

This is how it works: Chronic Lyme infections are known to suppress the immune system. The Lyme spirochete can affect all major cell types of the immune system, but it most clearly can impact a specific subset of the natural killer cells. This is called the CD-57 subset. Just as in HIV infection, which suppresses T-cell counts, Lyme suppresses Natural killer cell count such as CD57. As in HIV infection, where abnormally low T-cell counts are routinely used as a marker of how active the infection is, in Lyme we can use the CD-57 count to indicate how active the Lyme infection is. When Lyme is active, the CD-57 count is suppressed. We currently are having our tests run by LabCorp because published research on this test was based on their methods. At this lab, the expected range for the CD 57 count is above 60. However, in the chronic Lyme patient, CD-57 counts are usually well below 60 and may be at risk with levels of 60-100.
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