Group A Streptococcus antibody
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About Anti-Streptococcal A
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About Anti-Streptococcal A
Overview and History
Anti‑Streptococcal A falls into the biochemical category of circulating immunoglobulins directed against antigens from Group A Streptococcus (GAS). It is detected serologically as part of the humoral immune response and can be measured using high‑sensitivity immunoassays.
Historically, antibodies to streptococcal antigens have been used as markers of prior or recent exposure to GAS and as tools to map infection‑associated immune activation. In a neuroimmune testing context, these antibodies serve as one piece of evidence about how past or ongoing microbial encounters may contribute to broader immune signaling patterns.
Interpreting Highs and Lows
Elevated Anti‑Streptococcal A suggests a stronger or more recent antibody response to Group A Streptococcus antigens, which may reflect recent exposure or a robust prior immune reaction. Low or undetectable levels suggest little recent antibody response, a distant exposure with waning antibodies, or individual variation in antibody production. Interpretation should rely on the full Neural Zoomer panel, clinical history, timing of symptoms, and other infection markers rather than this value alone.
Featured Test
This marker is included in the Neural Zoomer to assess infection‑associated immune activity related to Group A Streptococcus. It helps providers place streptococcal immune signals alongside other neuroimmune markers to identify patterns that may inform more personalized evaluation of brain and nerve‑related symptoms.
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Mary Beth Augustine
DCN, RDN, FAND- Lead Clinical Educator
Suzanne Barker
MS, RDN, LD, CTTS, CGP- Clinical Educator
Suzette Garcia
MSc- MHNE- Clinical Educator
Brooke Mader Ganev
MS, CNS, LDN, FDN- Clinical Educator
Adair Anderson
MS, RDN, LDN- Clinical Educator
Lillie Luu Nguyen
DCN, CNS, LDN- Clinical Educator
Jason Barker
ND- Clinical Educator
Emaline Brown
ND- Clinical Educator
Dana Filatova
DCN, CNS, LDN- Clinical Educator
Jessy Dhanjal
ND- Clinical Educator
Nour Amri
MS, LDN, CNS, CKNS- Clinical Educator
