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SPARCL1 Expression ...
SPARCL1 Expression Increases With Preoperative Radiation Therapy and Predicts Better Survival in Rectal Cancer Patients
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- Kotti, Angeliki (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för kliniska vetenskaper,Hälsouniversitetet,Onkologiska kliniken US
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- Holmqvist (Knutsen), Annica (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för kliniska vetenskaper,Hälsouniversitetet,Onkologiska kliniken US
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- Albertsson, Maria (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för kliniska vetenskaper,Hälsouniversitetet,Onkologiska kliniken US
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- Sun, Xiao-Feng (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för kliniska vetenskaper,Hälsouniversitetet,Onkologiska kliniken US
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(creator_code:org_t)
- Elsevier, 2014
- 2014
- Engelska.
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Ingår i: International Journal of Radiation Oncology, Biology, Physics. - : Elsevier. - 0360-3016 .- 1879-355X. ; 88:5, s. 1196-1202
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- PurposeThe secreted protein acidic and rich in cysteine-like 1 (SPARCL1) is expressed in various normal tissues and many types of cancers. The function of SPARCL1 and its relationship to a patient's prognosis have been studied, whereas its relationship to radiation therapy (RT) is not known. Our aim was to investigate the expression of SPARCL1 in rectal cancer patients who participated in a clinical trial of preoperative RT.Methods and MaterialsThe study included 136 rectal cancer patients who were randomized to undergo preoperative RT and surgery (n=63) or surgery alone (n=73). The expression levels of SPARCL1 in normal mucosa (n=29), primary tumor (n=136), and lymph node metastasis (n=35) were determined by immunohistochemistry.ResultsTumors with RT had stronger SPARCL1 expression than tumors without RT (P=.003). In the RT group, strong SPARCL1 expression was related to better survival than weak expression in patients with stage III tumors, independent of sex, age, differentiation, and margin status (P=.022; RR = 18.128; 95% confidence interval, 1.512-217.413). No such relationship was found in the non-RT group (P=.224). Further analysis of interactions among SPARCL1 expression, RT, and survival showed statistical significance (P=.024). In patients with metastases who received RT, strong SPARCL1 expression was related to better survival compared to weak expression (P=.041) but not in the non-RT group (P=.569).ConclusionsSPARCL1 expression increases with RT and is related to better prognosis in rectal cancer patients with RT but not in patients without RT. This result may help us to select the patients best suited for preoperative RT.
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 -- Medicinska och farmaceutiska grundvetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine (hsv//eng)
Nyckelord
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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