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Inhibition of Immunoglobulin Synthesis In Vitro by Intravenous Lipid Emulsion (Intralipid)
Author(s) -
Salo M.
Publication year - 1990
Publication title -
journal of parenteral and enteral nutrition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.935
H-Index - 98
eISSN - 1941-2444
pISSN - 0148-6071
DOI - 10.1177/0148607190014005459
Subject(s) - pokeweed mitogen , concanavalin a , enteral administration , parenteral nutrition , lymph , spleen , lymphocyte , antibody , immune system , in vitro , medicine , endocrinology , immunoglobulin m , immunoglobulin g , in vivo , chemistry , immunology , biology , biochemistry , pathology , microbiology and biotechnology
Intravenous lipid emulsions depress lymphocyte proliferative responses and granulocyte function at concentrations found in the blood circulation during their administration. The effects of Intralipid, a widely used intravenous lipid emulsion, were measured on immunoglobulin production in vitro by pokeweed mitogen‐activated lymphocytes as a test of B‐cell function. Intralipid decreased IgG, IgM, and IgA production at soybean oil triglyceride concentrations of 2.5–20 mg/ml occurring in the blood circulation during Intralipid infusion. The effects on IgM and IgA production were highest and that on IgG production lowest. Hydrocortisone‐sensitive and concanavalin A‐inducible suppressor cells were more sensitive to Intralipid than other cell populations. In vivo Ig production may not be equally disturbed, inasmuch as Intralipid concentrations in the lymph nodes and the spleen may be lower than in the blood circulation. However, care should be taken to prevent Intralipid concentrations from becoming high enough to depress immune responses. ( Journal of Parenteral and Enteral Nutrition 14 :459–462, 1990)

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