Surface marker profiling of SH-SY5Y cells enables small molecule screens identifying BMP4 as a modulator of neuroblastoma differentiation

Abstract: Neuroblastoma is the most common extra-cranial solid tumor in children. Its broad spectrum of clinical outcomes reflects the underlying inherent cellular heterogeneity. As current treatments often do not lead to tumor eradication, there is a need to better define therapy-resistant neuroblastoma and to identify new modulatory molecules. To this end, we performed the first comprehensive flow cytometric characterization of surface molecule expression in neuroblastoma cell lines. Exploiting an established clustering algorithm (SPADE) for unbiased visualization of cellular subsets, we conducted a multiwell screen for small molecule modulators of neuroblastoma phenotype. In addition to SH-SY5Y cells, the SH-EP, BE(2)-M17 and Kelly lines were included in follow-up analysis as in vitro models of neuroblastoma. A combinatorial detection of glycoprotein epitopes (CD15, CD24, CD44, CD57, TrkA) and the chemokine receptor CXCR4 (CD184) enabled the quantitative identification of SPADE-defined clusters differentially responding to small molecules. Exposure to bone morphogenetic protein (BMP)-4 was found to enhance a TrkAhigh/CD15−/CD184− neuroblastoma cellular subset, accompanied by a reduction in doublecortin-positive neuroblasts and of NMYC protein expression in SH-SY5Y cells. Beyond yielding novel marker candidates for studying neuroblastoma pathology, our approach may provide tools for improved pharmacological screens towards developing novel avenues of neuroblastoma diagnosis and treatment

Angaben zum Objekt

• Standort: Deutsche Nationalbibliothek Frankfurt am Main
• Umfang: Online-Ressource
• Sprache: Englisch
• Anmerkungen: Scientific reports. 7 (2017), article no. 13612, DOI 10.1038/s41598-017-13497-8, issn: 2045-2322

Klassifikation und Themen

• Schlagwort: Tumor ; Neuroblastom ; Krebs ; Onkologie

Beteiligte, Orts- und Zeitangaben

• Ereignis: Veröffentlichung
• (wo): Freiburg
• (wer): Universität
• (wann): 2018
• Urheber: Marx-Ferlemann, Fraua Christina ; Menon, Vishal ; Condurat, Alexandra-Larisa ; Rößler, Jochen ; Pruszak, Jan
• Beteiligte Personen und Organisationen: Emmy Noether-Group for Stem Cell Biology ; MOTI-VATE Promotionskolleg ; Spemann Graduate School of Biology and Medicine ; Klinik für Pädiatrische Hämatologie und Onkologie. Freiburg im Breisgau ; Institut für Transfusionsmedizin und Gentherapie ; Albert-Ludwigs-Universität Freiburg. Centre for Biological Signalling Studies ; Albert-Ludwigs-Universität Freiburg. Medizinische Fakultät ; Albert-Ludwigs-Universität Freiburg

Weitere Informationen

• DOI: 10.1038/s41598-017-13497-8
• URN: urn:nbn:de:bsz:25-freidok-146607
• Rechteinformation: Kein Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Letzte Aktualisierung: 25.03.2025, 13:43 MEZ