A treatment called IVIg, made from pooled antibodies, helps calm overactive immune systems in autoimmune diseases by turning on a 'brake' receptor called FcγRIIB.

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Evidence from Studies

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Fc Gamma Receptors and Their Role in Antigen Uptake, Presentation, and T Cell Activation

Narrative Review

This study talks about how immune cells use certain receptors to grab and process germs, but it never mentions the specific receptor (FcγRIIB) or how IVIg medicine works to calm inflammation, so it doesn’t help prove or disprove the claim.

Source Study

Fc Gamma Receptors and Their Role in Antigen Uptake, Presentation, and T Cell Activation

Score: 1

DOI: 10.3389/fimmu.2020.01393

Similar Assertions

One type of receptor (FcγRIIB) can also swallow antibody-tagged germs, but it doesn’t turn on the immune system as strongly — it needs 30 times more germs to get the same effect as the activating receptors.

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