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Sex Disparities in ...
Sex Disparities in MGMT Promoter Methylation and Survival in Glioblastoma : Further Evidence from Clinical Cohorts.
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- Smits, Anja (författare)
- Gothenburg University,Göteborgs universitet,Uppsala universitet,Landtblom: Neurovetenskap,Department of Neuroscience and Physiology, Clinical Neuroscience, Sahlgrenska Academy, Gothenburg University, Blå Stråket 7, Plan 3, SE-413 45 Gothenburg, Sweden,Gothenburg Univ, Sweden; Uppsala Univ Hosp, Sweden,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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- Lysiak, Malgorzata (författare)
- Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten
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- Magnusson, Andreas (författare)
- NU Hosp, Sweden
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- Rosell, Johan (författare)
- Region Östergötland, Regionalt cancercentrum
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- Söderkvist, Peter (författare)
- Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten
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- Malmström, Annika (författare)
- Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten,Region Östergötland, Närvårdskliniken
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(creator_code:org_t)
- 2021-02-03
- 2021
- Engelska.
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Ingår i: Journal of Clinical Medicine. - : MDPI. - 2077-0383. ; 10:4
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Abstract
Ämnesord
Stäng
- INTRODUCTION: Recent studies suggest an overrepresentation of MGMT promoter methylated tumors in females with IDHwt glioblastoma (GBM) compared to males, with a subsequent better response to alkylating treatment.METHODS: To reveal sex-bound associations that may have gone unnoticed in the original analysis, we re-analyzed two previously published clinical cohorts. One was the multicenter Nordic trial of elderly patients with GBM, randomizing patients into three different treatment arms, including 203 cases with known MGMT promoter methylation status. The other was a population-based study of 179 patients with IDHwt GBM, receiving concomittant radiotherapy and chemotherapy with temozolomide. Cohorts were stratified by sex to test the hypothesis that female sex in combination with MGMT promoter methylation constitutes a subgroup with more favorable outcome.RESULTS: There was a significantly larger proportion of MGMT promoter methylation and better outcome for female patients with MGMT promoter methylated tumors. Results were confirmed in 257 TCGA-derived IDHwt GBM with known sex and MGMT status.CONCLUSIONS: These results confirm that patient sex in combination with MGMT promoter methylation is a key determinant in GBM to be considered prior to treatment decisions. Our study also illustrates the need for stratification to identify such sex-bound associations.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Nyckelord
- MGMT promoter methylation
- glioblastoma
- sex disparities
- survival
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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