MMP1 and McLeod neuroacanthocytosis syndrome: Our RT-qPCR data suggest that YAP1 is indeed required for the expression of genes upregulated by FUS-DDIT3, such as PTX3, IL6, CXCL8, and MMP1, implying a cooperative interaction of YAP1 and FUS-DDIT3 in transcriptional regulation in MLS.