Journal
CELL REPORTS MEDICINE
Volume 2, Issue 6, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.xcrm.2021.100318
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Funding
- Ministere de L'Education Nationale, de L'Enseignement Superieur et de la Recherche
- SIRIC ONCOLille
- Inserm [INCa-DGOS-INSERM 6041aa]
- PHRC SENTIRAD
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The study identifies significant variations in the SLN protein landscape in EC and shows correlation between SLN and tumor grade, emphasizing the potential of certain proteins as markers for overall survival. Five major proteins for EC and SLN were identified and validated, improving stratification and diagnosis of individuals with EC.
Endometrial cancer (EC) is one of the most common gynecological cancers worldwide. Sentinel lymph node (SLN) status could be a major prognostic factor in evaluation of EC, but several prospective studies need to be performed. Here we report an in-depth proteomics analysis showing significant variations in the SLN protein landscape in EC. We show that SLNs are correlated to each tumor grade, which strengthens evidence of SLN involvement in EC. A few proteins are overexpressed specifically at each EC tumor grade and in the corresponding SLN. These proteins, which are significantly variable in both locations, should be considered potential markers of overall survival. Five major proteins for EC and SLN (PRSS3, PTX3, ASS1, ALDH2, and ANXA1) were identified in large-scale proteomics and validated by immunohistochemistry. This study improves stratification and diagnosis of individuals with EC as a result of proteomics profiling of SLNs.
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