Download the dataset from GEO, filter, and create a SingleCellExperiment object

import_TGFB()

References

Jos\'e L. McFaline-Figueroa, Andrew J. Hill, Xiaojie Qiu, Dana Jackson, Jay Shendure, and Cole Trapnell. *A pooled single-cell genetic screen identifies regulatory checkpoints in * *the continuum of the epithelial-to-mesenchymal transition.* Nature Genetics, 51(9):1389–1398, sep 2019. ISSN 15461718. doi: 10.1038/s41588-019-0489-5.