The first, t(11;18)(q21;q21), results in the fusion protein API2-MLT (API2-MALT1).     ///    "BCL10 mutation does not represent an important pathogenic mechanism in gastric MALT-type lymphoma, and the presence of the API2-MLT fusion is associated with aberrant nuclear BCL10 expression.. "    ///    "In contrast, they indicate that the presence of the API2-MLT fusion protein is associated with aberrant nuclear BCL10 expression.. "