Antioxidative stress protein SRXN1 can be used as a radiotherapy prognostic marker for prostate cancer.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:37726767", "kind": "science-record", "revision": 4, "content_hash": "sha256:d9a099dace4f45d9082f3a281a6fab25e17ee5d0eefa553fc58e569dd27225f9", "created_at": "2026-11-01T19:02:33Z", "updated_at": "2026-11-01T22:10:18Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Antioxidative stress protein SRXN1 can be used as a radiotherapy prognostic marker for prostate cancer.", "doi": "10.1186/s12894-023-01319-1", "pmid": "37726767", "authors": ["Xing Wang", "Jiandi Yu", "Huali Wen", "Junfeng Yan", "Kun Peng", "Haiyong Zhou"], "journal": "BMC urology", "year": 2023, "abstract": "PURPOSE: To explore the mechanisms of radiotherapy resistance and search for prognostic biomarkers for prostate cancer.\nMETHODS: The GSE192817 and TCGA PRAD datasets were selected and downloaded from the GEO and UCSC Xena databases. Differential expression and functional annotation analyses were applied to 52 tumour cell samples from GSE192817. Then, the ssGSEA or GSVA algorithms were applied to quantitatively score the biological functional activity of samples in the GSE192817 and TCGA PRAD datasets, combined with specific gene sets collected from the Molecular Signatures Database (MSigDB). Subsequently, the Wilcoxon rank-sum test was used to compare the differences in ssGSEA or GSVA scores among cell types or PRAD patients. Moreover, radiotherapy resistance-associated gene screening was performed on DU145 and PC3 cells (prostate cancer cells), and survival analysis was used to evaluate the efficacy of these genes for predicting the prognosis of PRAD patients.\nRESULTS: A total of 114 genes that were differentially expressed in more than two different cancer cell types and associated with either sham surgery or radiotherapy treatment (X-ray or photon irradiation) were detected in cancer cells from GSE192817. Comparison of DNA damage-related ssGSEA scores between sham surgery and radiotherapy treatment in prostate cancer cells (DU145 and PC3) showed that photon irradiation was potentially more effective than X-ray treatment. In the TCGA PRAD dataset, patients treated with radiotherapy had much higher \"GOBP_CELLULAR_RESPONSE_TO_DNA_DAMAGE_STIMULUS\", \"GOBP_G2_DNA_DAMAGE_CHECKPOINT\" and \"GOBP_INTRA_S_DNA_DAMAGE_CHECKPOINT\" GSVA scores, and the Wilcoxon rank-sum test p values were 0.0005, 0.0062 and 0.0800, respectively. Furthermore, SRXN1 was upregulated in DU145 cells (resistant to X-ray irradiation compared to PC3 cells) after radiotherapy treatment, and low SRXN1 expression in patients was beneficial to radiotherapy outcomes. The log-rank test p value for PFS was 0.0072.\nCONCLUSIONS: Radiotherapy can damage DNA and induce oxidative stress to kill tumour cells. In this study, we found that SRXN1, as an antioxidative stress gene, plays an important role in radiotherapy for prostate cancer treatment, and this gene is also a potential biomarker for predicting the prognosis of patients treated with radiotherapy.", "claims": [{"id": "claim-method", "statement": "Subsequently, the Wilcoxon rank-sum test was used to compare the differences in ssGSEA or GSVA scores among cell types or PRAD patients.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:37726767", "locator": "sections[0] \"Abstract\" paragraph 2", "quote": "Subsequently, the Wilcoxon rank-sum test was used to compare the differences in ssGSEA or GSVA scores among cell types or PRAD patients."}], "state": "complete"}, {"id": "claim-data-access", "statement": "The datasets used and analysed during the current study are presented in the main body of this manuscript.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:37726767", "locator": "sections[19] \"notes\" paragraph 1", "quote": "The datasets used and analysed during the current study are presented in the main body of this manuscript."}], "state": "complete"}, {"id": "claim-target-result", "statement": "Furthermore, SRXN1 was upregulated in DU145 cells (resistant to X-ray irradiation compared to PC3 cells) after radiotherapy treatment, and low SRXN1 expression in patients was beneficial to radiotherapy outcomes. The log-rank test p value for PFS was 0.0072.", "kind": "qualitative", "target": null, "evidence": [{"asset": "source:pmid:37726767", "locator": "sections[0] \"Abstract\" paragraph 3", "quote": "Furthermore, SRXN1 was upregulated in DU145 cells (resistant to X-ray irradiation compared to PC3 cells) after radiotherapy treatment, and low SRXN1 expression in patients was beneficial to radiotherapy outcomes. The log-rank test p value for PFS was 0.0072."}], "state": "complete"}], "gaps": []}, "experiment": {"state": "partial", "objective": "Furthermore, SRXN1 was upregulated in DU145 cells (resistant to X-ray irradiation compared to PC3 cells) after radiotherapy treatment, and low SRXN1 expression in patients was beneficial to radiotherapy outcomes. 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