tuftsin


tuftsin

 [tuft´sin] a tetrapeptide cleaved from IgG that stimulates phagocytosis by neutrophils. It is produced primarily in the spleen; hereditary tuftsin deficiency and tuftsin deficiency following splenectomy result in increased susceptibility to certain infections.

tuft·sin

(tŭf'sin), A tetrapeptide derived from the Fc region of an immunoglobulin. Tuftsin enhances macrophage functions. [Tufts University + -in]