passages.id: split_9_validation_1437_passage
passages.type: progene_text
passages.text: Coexpression analysis of the 2DL1 and 2DL2 genes in 2DL4 + and 2DL4 - cells showed a strong association in 2DL4 + but not in 2DL4 - cells , suggesting a differential effect of the 2DL4 gene on the expression of 2DL1 and 2DL2 genes .