Abstract
A significant proportion of colorectal cancer (CRC) patients develop peritoneal metastases (PM) in the course of their disease. PMs are associated with a poor quality of life, significant morbidity and dismal disease outcome. To improve care for this patient group, a better understanding of the molecular characteristics of CRC-PM is required. Here we present a comprehensive molecular characterization of a cohort of 52 patients. This reveals that CRC-PM represent a distinct CRC molecular subtype, CMS4, but can be further divided in three separate categories, each presenting with unique features. We uncover that the CMS4-associated structural protein Moesin plays a key role in peritoneal dissemination. Finally, we define specific evolutionary features of CRC-PM which indicate that polyclonal metastatic seeding underlies these lesions. Together our results suggest that CRC-PM should be perceived as a distinct disease entity.
| Original language | English |
|---|---|
| Article number | 4443 |
| Number of pages | 14 |
| Journal | Nature Communications |
| Volume | 13 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 4 Aug 2022 |
Keywords
- Colorectal Neoplasms/pathology
- Humans
- Neoplasms, Second Primary
- Peritoneal Neoplasms/genetics
- Peritoneum/metabolism
- Quality of Life
- ERM PROTEINS
- INSTABILITY
- PROGNOSIS
- COLON
- PREVALENCE
- IDENTIFICATION
- FAMILY
- BRAF MUTATION
- CARCINOMATOSIS
- KRAS
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