Characterization of an interaction between fetal hemoglobin and lipid A of LPS resulting in augmented induction of cytokine production in vivo and in vitro

A previously described extract of sheep fetal liver was reported to reverse many of the cytokine changes associated with aging in mice, including an augmented spleen cell ConA-stimulated production of IL-4 and decreased production of IL-2. Similar effects were not seen with adult liver preparations....

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