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Predictive Role of Biopsy Based Biomarkers for Radiotherapy Treatment in Rectal Cancer
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- Wen, Yugang (author)
- Linköpings universitet,Institutionen för biomedicinska och kliniska vetenskaper,Medicinska fakulteten,Region Östergötland, Onkologiska kliniken US,Shanghai Jiao Tong Univ, Peoples R China
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- Zhao, Senlin (author)
- Linköpings universitet,Institutionen för biomedicinska och kliniska vetenskaper,Medicinska fakulteten,Region Östergötland, Onkologiska kliniken US,Shanghai Jiao Tong Univ, Peoples R China
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- Holmqvist, Annica (author)
- Linköpings universitet,Avdelningen för kirurgi, ortopedi och onkologi,Medicinska fakulteten,Region Östergötland, Onkologiska kliniken US
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- (creator_code:org_t)
- 2020-10-13
- 2020
- English.
- In: Journal of Personalized Medicine. - : MDPI. - 2075-4426. ; 10:4
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Background and Purpose: Radiation therapy has long been contemplated as an important mode in the treatment of rectal cancer. However, there are few ideal tools available for clinicians to make a radiotherapy decision at the time of diagnosis for rectal cancer. The purpose of this study was to assess whether biomarkers expressed in the biopsy could help to choose the suitable therapy and provide predictive and/or prognostic information. Experimental Design: In total, 30 biomarkers were analyzed in 219 biopsy samples before treatment to discover the possibility of using them as an indicator for radiotherapy selection, diagnosis, survival and recurrence. Results: Twenty-two biomarkers (COX2-RT, COX2-NonRT, etc.; 36.67%) had diagnostic value. For survival, four biomarkers (NFKBP65, p130, PINCH and PPAR) were significant in regulating gene promoter activity and overall survival, while four had a trend (AEG1, LOX, SATB1 and SIRT6). Three biomarkers (COX2, PINCH and WRAP53) correlated with disease-free survival, while eight had a trend (AEG1, COX2, Ki67, LOX, NFKBP65, PPAR and SATB1). Four biomarkers (COX2-RT, NFKBP65cyto-RT, P130cyto-NonRT and PPARcyto-RT) were independent prognostic factors for recurrence. NFKBP65 and SIRT6 were significantly correlated with lymph node metastasis regardless of radiation. Patients with high AEG1, LOX, NFKBP65, PPAR and SATB1 had or showed a positive trend for better survival after radiotherapy, while those with positive PINCH and WRAP53 expression would not benefit from radiotherapy. Conclusions: AEG1, LOX, NFKBP65cyto, PPAR and SATB1 could be used as indicators for choosing radiotherapy. COX2-RT, COX2-NonRT and some other biomarkers may provide additional help for diagnosis.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- biomarker
- biopsy
- radiotherapy
- rectal cancer
- prognosis
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Pathak, Surajit
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