{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T00:13:10Z","timestamp":1789863190005,"version":"4.0.1"},"reference-count":58,"publisher":"American Society for Microbiology","issue":"3","license":[{"start":{"date-parts":[[2014,3,1]],"date-time":"2014-03-01T00:00:00Z","timestamp":1393632000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Infect Immun"],"published-print":{"date-parts":[[2014,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p><jats:named-content content-type=\"genus-species\">Neisseria meningitidis<\/jats:named-content>, the causative agent of meningitis and septicemia, attaches to and invades various cell types. Both steps induce and\/or require tyrosine phosphorylation of host cell proteins. Here, we used a phospho array platform to identify active receptor tyrosine kinases (RTKs) and key signaling nodes in<jats:named-content content-type=\"genus-species\">N. meningitidis<\/jats:named-content>-infected brain endothelial cells to decipher RTK-dependent signaling pathways necessary for bacterial uptake. We detected several activated RTKs, including the ErbB family receptors epidermal growth factor receptor (EGFR), ErbB2, and ErbB4. We found that pharmacological inhibition and genetic ablation of ErbB receptor tyrosine phosphorylation and expression resulted in decreased bacterial uptake and heterologous expression of EGFR, ErbB2, or ErbB4 in Chinese ovary hamster (CHO-K1) cells, which do not express of EGFR and ErbB4; the decrease caused a significant increase in meningococcal invasion. Activation of EGFR and ErbB4 was mediated by transactivation via the common ligand HB-EGF (heparin-binding EGF-like ligand), which was significantly elevated in infected cell culture supernatants. We furthermore determined that<jats:named-content content-type=\"genus-species\">N. meningitidis<\/jats:named-content>induced phosphorylation of EGFR at Tyr845 independent of ligand binding, which required c-Src activation and was involved in mediating uptake of<jats:named-content content-type=\"genus-species\">N. meningitidis<\/jats:named-content>into eukaryotic cells. Increased uptake was repressed by expression of EGFR Y845F, which harbored a point mutation in the kinase domain. In addition, activation of ErbB4 at its autophosphorylation site, Tyr1284, and phosphorylation of ErbB2 Thr686 were observed. Altogether, our results provide evidence that EGFR, ErbB2, and ErbB4 are activated in response to<jats:named-content content-type=\"genus-species\">N. meningitidis<\/jats:named-content>infection and shed new light on the role of ErbB signaling in meningococcal infection biology.<\/jats:p>","DOI":"10.1128\/iai.01346-13","type":"journal-article","created":{"date-parts":[[2013,12,31]],"date-time":"2013-12-31T03:47:19Z","timestamp":1388461639000},"page":"1243-1255","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":37,"title":["Role of Epidermal Growth Factor Receptor Signaling in the Interaction of Neisseria meningitidis with Endothelial Cells"],"prefix":"10.1128","volume":"82","author":[{"given":"Heiko","family":"Slanina","sequence":"first","affiliation":[{"name":"Institute of Hygiene and Microbiology, University of W\u00fcrzburg, W\u00fcrzburg, 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