Contrasting contributions of TNF from distinct cellular sources in arthritis http://orcid.org/0000-0002-4597-2087Andrey Kruglov1,2,3, Marina Drutskaya2, Dirk Schlienz1, Ekaterina Gorshkova2,3, Katharina Kurz1, Lars Morawietz4, Sergei Nedospasov2,3,5 1 Chronic inflammation, Deutsches Rheuma-Forschungszentrum, a Leibniz Institute, Berlin, Germany 2 Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology RAS, Moscow, Russian...