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Impact of PINCH expression on survival in colorectal cancer patients
University of Skovde.
Linköping University, Department of Clinical and Experimental Medicine, Oncology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Oncology UHL.
Östergötlands Läns Landsting, Centre for Surgery, Orthopaedics and Cancer Treatment, Department of Oncology UHL.
Linköping University, Department of Clinical and Experimental Medicine, Oncology. Linköping University, Faculty of Health Sciences.
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2011 (English)In: BMC CANCER, ISSN 1471-2407, Vol. 11, no 103Article in journal (Refereed) Published
Abstract [en]

Background: The adaptor protein PINCH is overexpressed in the stroma of several types of cancer, and is an independent prognostic marker in colorectal cancer. In this study we further investigate the relationship of PINCH and survival regarding the response to chemotherapy in colorectal cancer. Results: Paraffin-embedded tissue sections from 251 primary adenocarcinomas, 149 samples of adjacent normal mucosa, 57 samples of distant normal mucosa and 75 lymph node metastases were used for immunohistochemical staining. Stromal staining for PINCH increased from normal mucosa to primary tumour to metastasis. Strong staining in adjacent normal mucosa was related to worse survival independently of sex, age, tumour location, differentiation and stage (p = 0.044, HR, 1.60, 95% Cl, 1.01-2.52). PINCH staining at the invasive margin tended to be related to survival (p = 0.051). In poorly differentiated tumours PINCH staining at the invasive margin was related to survival independently of sex, age and stage (p = 0.013, HR, 1.90, 95% Cl, 1.14-3.16), while in better differentiated tumours it was not. In patients with weak staining, adjuvant chemotherapy was related to survival (p = 0.010, 0.013 and 0.013 in entire tumour area, invasive margin and inner tumour area, respectively), but not in patients with strong staining. However, in the multivariate analysis no such relationship was seen. Conclusions: PINCH staining in normal adjacent mucosa was related to survival. Further, PINCH staining at the tumour invasive margin was related to survival in poorly differentiated tumours but not in better differentiated tumours, indicating that the impact of PINCH on prognosis was dependent on differentiation status.

Place, publisher, year, edition, pages
BioMed Central , 2011. Vol. 11, no 103
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Medical and Health Sciences
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URN: urn:nbn:se:liu:diva-67565DOI: 10.1186/1471-2407-11-103ISI: 000289146300001OAI: oai:DiVA.org:liu-67565DiVA: diva2:411280
Note
Original Publication: Jasmine Loof, Johan Rosell, Charlotte Bratthall, Siv Doré, Hans Starkhammar, Hong Zhang and Xiao-Feng Sun, Impact of PINCH expression on survival in colorectal cancer patients, 2011, BMC CANCER, (11), 103, . http://dx.doi.org/10.1186/1471-2407-11-103 Licensee: BioMed Central http://www.biomedcentral.com/ Available from: 2011-04-18 Created: 2011-04-18 Last updated: 2011-05-09

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Rosell, JohanDoré, SivStarkhammar, HansSun, Xiao-Feng
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