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Stanford Bio-X Frontiers in Interdisciplinary Biosciences Seminar, Dr. Barbara Engelhardt

January 16, 2020 - 4:00pm to 5:00pm
Clark Center Seminar Room S360


Stanford Bio-X Frontiers in Interdisciplinary Biosciences Seminar

Speaker: Barbara Engelhardt, Princeton University

Seminar Title: "Understanding How Environment Influences Cells through Paired Images and Gene Expression Data"

Hosted by: Dr. Julia Salzman, Assistant Professor of Biochemistry and of Biomedical Data Science, Stanford University


A central goal of single cell genomics is to understand how cells interact and influence each other, and how tissues grow and respond to specific interventions. In this talk, I will give two examples of how we can use machine learning approaches to begin to quantify relationships between cells. First, using pathology images and paired bulk RNA-seq data, I show how canonical correlation analysis models can be used to find image morphology that covaries with gene expression, and we use these results to identify image QTLs. Second, I describe a method for dimension reduction that allows us to augment disassociated single cell RNA-seq data with spatial information and, conversely, expand often sparse spatial transcriptomic data to all 20,000 genes in the human genome. Using these augmented data sets, we begin to quantify how specific cellular neighbors influence each other, and to predict how tissues might respond to interventions.

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