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  • Wangefjord, SakariasLund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine (author)

Associations of beta-catenin alterations and MSI screening status with expression of key cell cycle regulating proteins and survival from colorectal cancer

  • Article/chapterEnglish2013

Publisher, publication year, extent ...

  • 2013-01-21
  • Springer Science and Business Media LLC,2013
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:075a98b4-e14a-4ff6-a005-5b7961180988
  • https://lup.lub.lu.se/record/3749495URI
  • https://doi.org/10.1186/1746-1596-8-10DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • BACKGROUND: Despite their pivotal roles in colorectal carcinogenesis, the interrelationship and prognostic significance of beta-catenin alterations and microsatellite instability (MSI) in colorectal cancer (CRC) needs to be further clarified. In this paper, we studied the associations between beta-catenin overexpression and MSI status with survival from CRC, and with expression of p21, p27, cyclin D1 and p53, in a large, prospective cohort study.METHODS: Immunohistochemical MSI-screening status and expression of p21, p27 and p53 was assessed in tissue microarrays with tumours from 557 cases of incident CRC in the Malmö Diet and Cancer Study. Chi Square and Spearman's correlation tests were used to explore the associations between beta-catenin expression, MSI status, clinicopathological characteristics and investigative parameters. Kaplan-Meier analysis and Cox proportional hazards modelling were used to assess the relationship between beta-catenin overexpression, MSI status and cancer specific survival (CSS).RESULTS: Positive MSI screening status was significantly associated with older age, female sex, proximal tumour location, non-metastatic disease, and poor differentiation, and inversely associated with beta-catenin overexpression. Beta-catenin overexpression was significantly associated with distal tumour location, low T-stage and well-differentiated tumours. Patients with MSI tumours had a significantly prolonged CSS in the whole cohort, and in stage III-IV disease, also in multivariable analysis, but not in stage I-II disease. Beta-catenin overexpression was associated with a favourable prognosis in the full cohort and in patients with stage III-IV disease. Neither MSI nor beta-catenin status were predictive for response to adjuvant chemotherapy in curatively treated stage III patients. P53 and p27 expression was positively associated with beta-catenin overexpression and inversely associated with MSI. Cyclin D1 expression was positively associated with MSI and beta-catenin overexpression, and p21 expression was positively associated with MSI but not beta-catenin overexpression.CONCLUSIONS: Findings from this large, prospective cohort study demonstrate that MSI screening status in colorectal cancer is an independent prognostic factor, but not in localized disease, and does not predict response to adjuvant chemotherapy. Beta-catenin overexpression was also associated with favourable outcome but not a treatment predictive factor. Associations of MSI and beta-catenin alterations with other investigative and clinicopathological factors were in line with the expected.VIRTUAL SLIDES: The virtual slides for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/8778585058652609.

Subject headings and genre

  • MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Cancer och onkologi hsv//swe
  • MEDICAL AND HEALTH SCIENCES Clinical Medicine Cancer and Oncology hsv//eng
  • Adult
  • Aged
  • Biomarkers, Tumor
  • Cell Cycle Proteins
  • Chemotherapy, Adjuvant
  • Chi-Square Distribution
  • Colectomy
  • Colorectal Neoplasms
  • Cyclin D1
  • Cyclin-Dependent Kinase Inhibitor p21
  • Cyclin-Dependent Kinase Inhibitor p27
  • Female
  • Humans
  • Immunohistochemistry
  • Incidence
  • Kaplan-Meier Estimate
  • Male
  • Microsatellite Instability
  • Middle Aged
  • Multivariate Analysis
  • Neoplasm Staging
  • Proportional Hazards Models
  • Prospective Studies
  • Registries
  • Risk Factors
  • Sweden
  • Time Factors
  • Tissue Array Analysis
  • Treatment Outcome
  • Tumor Suppressor Protein p53
  • Up-Regulation
  • beta Catenin
  • Journal Article
  • Research Support, Non-U.S. Gov't

Added entries (persons, corporate bodies, meetings, titles ...)

  • Brändstedt, JennyLund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)med-jyb (author)
  • Ericson Lindquist, KajsaLund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Bröstcancer-genetik,Institutionen för kliniska vetenskaper, Lund,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Breastcancer-genetics,Department of Clinical Sciences, Lund(Swepub:lu)onk-ker (author)
  • Nodin, BjörnLund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)immu-bnn (author)
  • Jirström, KarinLund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)pat-kji (author)
  • Eberhard, JakobLund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)kir-jeb (author)
  • TumörmikromiljöSektion I (creator_code:org_t)

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  • In:Diagnostic Pathology: Springer Science and Business Media LLC8, s. 10-101746-1596

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