25 June 2019 3 2K Report

I was looking at some single cell RNA Sequencing data and I was wondering how researchers determine certain cell types for example what differentiates M1 vs M2 macrophage in a data set. What genes should I be looking for? I've looked through many resources and most only describe cell surface markers that I could look for which don't actually show up as highly expressed in my sc seq data. Any advice or database would really be helpful! Thanks.

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