Chromothripsis and progression‑free survival in metastatic colorectal cancer

Skuja,Elina; Kalniete,Dagnija; Nakazawa‑Miklasevica,Miki; Daneberga,Zanda; Abolins,Arnis; Purkalne,Gunta; Miklasevics,Edvins

doi:10.3892/mco.2017.1123

February-2017 Volume 6 Issue 2

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February-2017 Volume 6 Issue 2

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Article Open Access

Chromothripsis and progression‑free survival in metastatic colorectal cancer

Authors:
- Elina Skuja
- Dagnija Kalniete
- Miki Nakazawa‑Miklasevica
- Zanda Daneberga
- Arnis Abolins
- Gunta Purkalne
- Edvins Miklasevics
View Affiliations / Copyright

Affiliations: Clinic of Oncology, Pauls Stradins Clinical University Hospital, LV‑1002 Riga, Latvia, Institute of Oncology, Riga Stradins University, LV‑1007 Riga, Latvia, Institute of Pathology, Pauls Stradins Clinical University Hospital, LV‑1002 Riga, Latvia

Copyright: © Skuja et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Pages: 182-186
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Published online on: January 2, 2017

https://doi.org/10.3892/mco.2017.1123
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Abstract

Metastatic dissemination of the primary tumor is the major cause of death in colorectal cancer (CRC) patients. Multiple chromosomal breaks and chromothripsis, a phenomenon involving multiple chromosomal fragmentations occurring in a single catastrophic event, are associated with cancer genesis, progression and developing of metastases. The aim of this study was to evaluate the effect of chromothripsis and total breakpoint count (breakpoint instability index) on progression‑free survival (PFS). A total of 19 patients with metastatic CRC (mCRC) receiving FOLFOX first‑line palliative chemotherapy between August, 2011 and October, 2012 were selected for this study. The results indicated that the highest breakpoint count was observed in chromosomes 1, 2 and 6. Chromothripsis was detected in 52.6% of the study patients. Furthermore, chromothripsis was associated with an increased median PFS (mPFS; 14 vs. 8 months, respectively; P=0.03), but an association with overall survival was not identified. The present study demonstrated that chromothripsis affected CRC patient survival, suggesting a role for this event as a prognostic and predictive marker in mCRC treatment.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Chromothripsis and progression‑free survival in metastatic colorectal cancer

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