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"New" means made up fantasyland virus
Also Hep B is a ssDNA virus that goes to RNA, then is reverse transcribed to dsDNA
“Uniformly” low is also a clue; in CVID they are not.
This makes sense, though what really threw me off was that in Classic Bruton’s Agammaglobulinemia there’s near-zero B counts though (or at least that’s what FA and UTD says, “Absent B cells in peripheral blood” FA 116, 2018). The Q says the leukocyte count was normal though. Wouldn’t the leukocyte count include lymphocytes in the differential? And wouldn’t lymphocytes be low due to the near complete lack of B cells in peripheral circulation if it was BA?
@tea-cats-biscuits Bruton’s is a failure of B cells to /MATURE/. So you get normal lymphocyte counts, decreased levels of immunoglobulins, and absent germinal centers.
@partybrockk That makes sense to me, but I keep getting hung up on how that’s not what either FA or UTD says about the classic lab findings of XLA. UTD specifically says this: “Laboratory findings include hypogammaglobulinemia/agammaglobulinemia, deficient antibody responses to immunizations, and absent or markedly reduced B cells in the blood,” and I previously quoted FA. I suppose it doesn’t really matter, but it’s definitely a bit frustrating unless I’m missing something about how absent B cells in the blood wouldn’t correlate to a decreased lymphocyte count ...
please correct me if i am wrong cos i might be but my logic was there is decreases immunoglobulin uniformly meaning the B cells are uniformly absent and since they develop in the germinal center, the germinal center will be absent.
To add on to the diarrhea kid -- SGLT1 is the Na-glucose symporter and it facilitates movement of water into the enterocytes. Water loves to follow sodium around, I think sodium over other electrolytes purely because sodium is generally the highest concentration electrolyte.