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Bergmann, N.* ; Delbridge, C.* ; Gempt, J.* ; Feuchtinger, A. ; Walch, A.K. ; Schirmer, L.* ; Bunk, W.* ; Aschenbrenner, T.* ; Liesche-Starnecker, F.* ; Schlegel, J.*

The intratumoral heterogeneity reflects the intertumoral subtypes of glioblastoma multiforme: A regional immunohistochemistry analysis.

Front. Oncol. 10:494 (2020)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Glioblastoma multiforme (GBM) is the most frequent and aggressive primary brain tumor in adults. Despite extensive therapy the prognosis for GBM patients remains poor and the extraordinary therapy resistance has been attributed to intertumoral heterogeneity of glioblastoma. Different prognostic relevant GBM tumor subtypes have been identified based on their molecular profile. This approach, however, neglects the heterogeneity within individual tumors, that is, the intratumoral heterogeneity. Here, we detected the regional immunoreactivity by immunohistochemistry and immunofluorescence using nine different markers on resected GBM specimens (IDH wildtype, WHO grade IV). We found repetitive expression profiles, that could be classified into clusters. These clusters could then be assigned to five pathophysiologically relevant groups that reflect the previously described subclasses of GBM, including mesenchymal, classical, and proneural subtype. Our data indicate the presence of tumor differentiations and tumor subclasses that occur within individual tumors, and might therefore contribute to develop adapted, individual-based therapies.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Glioblastoma ; Histological Subtypes ; Intratumoral Heterogeneity ; Intertumoral Heterogeneity ; Histological Architecture; Cancer Stem-cells; Aldehyde Dehydrogenase; Hypoxia; Marker; Tumor
Sprache englisch
Veröffentlichungsjahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 2234-943X
e-ISSN 2234-943X
Zeitschrift Frontiers in Oncology
Quellenangaben Band: 10, Heft: , Seiten: , Artikelnummer: 494 Supplement: ,
Verlag Frontiers
Verlagsort Avenue Du Tribunal Federal 34, Lausanne, Ch-1015, Switzerland
Begutachtungsstatus Peer reviewed
Institut(e) CF Pathology & Tissue Analytics (CF-PTA)
Research Unit Analytical Pathology (AAP)
POF Topic(s) 30505 - New Technologies for Biomedical Discoveries
30205 - Bioengineering and Digital Health
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) A-630600-001
G-500390-001
DOI 10.3389/fonc.2020.00494
WOS ID WOS:000533419000001
Scopus ID 85084351643
PubMed ID 32391260
Erfassungsdatum 2020-05-29
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