tbl.nodes <- data.frame(id=c("A", "B", "C"),
                        type=c("kinase", "TF", "glycoprotein"),
                        lfc=c(-3, 1, 1),
                        count=c(0, 0, 0),
                        stringsAsFactors=FALSE)

tbl.edges <- data.frame(source=c("A", "B", "C"),
                        target=c("B", "C", "A"),
                        interaction=c("phosphorylates", "synthetic lethal", "unknown"),
                        stringsAsFactors=FALSE)

graph.json <- toJSON(dataFramesToJSON(tbl.edges, tbl.nodes), auto_unbox=TRUE)

#print("renderCyjShiny")
#print(graph.json)
#print(class(graph.json))
cyjShiny(graph=graph.json, layoutName="cola")