Please use this identifier to cite or link to this item: http://doi.org/10.25358/openscience-9604
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dc.contributor.authorZahnreich, Sebastian-
dc.contributor.authorEl Guerzyfy, Soumia-
dc.contributor.authorKaufmann, Justus-
dc.contributor.authorSchmidberger, Heinz-
dc.date.accessioned2023-11-21T08:41:28Z-
dc.date.available2023-11-21T08:41:28Z-
dc.date.issued2023-
dc.identifier.urihttps://openscience.ub.uni-mainz.de/handle/20.500.12030/9622-
dc.description.abstractLocally advanced head and neck squamous cell carcinomas (HNSCC) are often refractory to platinum-based radiochemotherapy and new immuno-oncological strategies. To stimulate immunogenic antitumor responses in HNSCC patients, we investigated the cGAS/STING/IFN-1 signaling pathway after genotoxic treatments and concomitant abrogation of the DNA damage response (DDR). For this purpose, FaDu and UM-SCC1 cells were exposed to X-rays or cisplatin and treated with an ATR or Chk1 inhibitor, or by Fanconi anemia gene A knockout (FANCA ko). We assessed clonogenic survival, cell cycle regulation, micronuclei, free cytosolic double-stranded DNA, and the protein expression and activity of the cGAS/STING/IFN-1 pathway and related players. Cell survival, regulation of G2/M arrest, and formation of rupture-prone cGAS-positive micronuclei after genotoxic treatments were most affected by ATR inhibition and FANCA ko. In UM-SCC-1 cells only, 8 Gy X-rays promoted IFN-1 expression unaltered by abrogation of the DDR or concomitant increased TREX1 expression. At a higher dose of 20 Gy, this effect was observed only for concurrent Chk1- or ATR-inhibition. FANCA ko or cisplatin treatment was ineffective in this regard. Our observations open new perspectives for the enhancement of cGAS/STING/IFN-1-mediated antitumor immune response in HNSCC by hypofractionated or stereotactic radiotherapy concepts in multimodal settings with immuno-oncological strategies.en_GB
dc.language.isoengde
dc.rightsCC BY*
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.subject.ddc570 Biowissenschaftende_DE
dc.subject.ddc570 Life sciencesen_GB
dc.subject.ddc610 Medizinde_DE
dc.subject.ddc610 Medical sciencesen_GB
dc.titleThe cGAS/STING/IFN-1 response in squamous head and neck cancer cells after genotoxic challenges and abrogation of the ATR-Chk1 and Fanconi anemia axisen_GB
dc.typeZeitschriftenaufsatzde
dc.identifier.doihttp://doi.org/10.25358/openscience-9604-
jgu.type.contenttypeScientific articlede
jgu.type.dinitypearticleen_GB
jgu.type.versionPublished versionde
jgu.type.resourceTextde
jgu.organisation.departmentFB 04 Medizinde
jgu.organisation.number2700-
jgu.organisation.nameJohannes Gutenberg-Universität Mainz-
jgu.rights.accessrightsopenAccess-
jgu.journal.titleInternational journal of molecular sciencesde
jgu.journal.volume24de
jgu.journal.issue19de
jgu.pages.alternative14900de
jgu.publisher.year2023-
jgu.publisher.nameMolecular Diversity Preservation Internationalde
jgu.publisher.placeBaselde
jgu.publisher.issn1422-0067de
jgu.organisation.placeMainz-
jgu.subject.ddccode570de
jgu.subject.ddccode610de
jgu.publisher.doi10.3390/ijms241914900de
jgu.organisation.rorhttps://ror.org/023b0x485-
jgu.subject.dfgNaturwissenschaftende
Appears in collections:DFG-491381577-G

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