Project description:Analysis of HEKa cells depleted of Forkhead box E1 (FOXE1). FOXE1 is induced in psoriasis lesions and promotes keratinocytes. Results provide insight into the downstream targets of FOXE1 function in psoriasis.
Project description:The forkhead box (FOX) family of transcriptional regulators is characterized by a distinct forkhead DNA-binding domain11. FOXF1 gene is highly conserved across species and implicated in embryonic digestive tract morphogenesis. In an in-vitro established model, normal esophageal squamous cells, EPC2, were transfected with FOXF1 to determine pathways regulated by FOXF1 during the squamous to columnar change in cells.
Project description:We performed the first RNAseq analysis of human primary neutrophils exposed to lipopolysaccharide which revealed a robustly enhanced transcriptional network driven by forkhead box (FOX) transcription factors.
Project description:RNA-seq identified different gene sets relating to biological functions such as aging, longevity, and nutrient sensing and signaling that were regulated in a sex-biased manner between the placenta and fetal brain. Conditional knockout of the transcription factor Forkhead Box A2 (Foxa2) in the uterus elicited sexual conflicting expression of those genes between the placenta and fetal brain.
Project description:Forkhead Box M1 (FOXM1) is a promising molecular target for high-risk multiple myeloma and relapse and refractory myeloma, but whether FOXM1 is essential in myeloma has not yet been established. To address this knowledge gap, we used Western blotting to measure FOXM1 protein levels in 11 human myeloma cell lines (HMCLs) and then chose the two lines expressing the largest amount of the transcription factor, OPM2 and Delta47, for gene editing using CRISPR-Cas9. In both cases, two independent FOXM1-deficient daughter lines, designated KO-1 and KO-2, were generated. They contained 2 different 10-bp deletions at the target site of their respective guide RNA in case of OPM2 and a 10-bp deletion and 1-bp insertion in case of Delta47. Western analysis confirmed the lack of FOXM1 in all knockout clones. FOXM1-deficient myeloma cells proliferated more slowly than their parental counterparts containing normal levels of FOXM1. Moreover, we added back FOXM1 to FOXM1-KO cells by transfection of a constitutively expressed FOXM1c cDNA gene. The reconstituted OPM2 and Delta47 cells, designated FOXM1 KO-R contained high amounts of FOXM1 protein. Here, we used these cell lines to investigate the role of FOXM1 in regulating the gene expression in multiple myeloma.
Project description:Forkhead box protein P1 (Foxp1), a transcription factor showing highly enriched expression in the striatum, has been implicated in CNS development, but its role in the mature brain is unknown. In order to ascertain functional roles for Foxp1 in the CNS, we have identified gene targets for Foxp1 in vitro using gene expression microarrays and chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq) assays. Transcriptome-wide analysis of Foxp1-transfected striatal cells revealed widespread expression changes of genes related to immune signaling, cancer, transcriptional regulation, and a curated Huntington’s disease (HD) signaling pathway. Integrating the microarray expression dataset with Foxp1 binding sequences determined from ChIP-seq analysis resulted in 75 direct targets of Foxp1, which included Foxp1 itself, which were also related to immune processes and the category “genetic disorder”. These findings demonstrate that Foxp1 is a primary transcriptional repressor of immunological-related gene expression in striatal cells. n=3 wt STHdh striatal cells and n=3 Foxp1-transfected STHdh striatal cells