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Abstract Introduction: Colorectal cancer (CRC) remains a significant public health challenge, representing the second leading cause of cancer-related mortality in the United States. Although mortality rates have generally decreased, the Hispanic/Latino (H/L) population in the Los Angeles area still experiences mortality rates up to 20% higher than those of their Caucasian American counterparts. Additionally, they are often diagnosed at a younger age and with more advanced disease stages, highlighting significant disparities in CRC outcomes. Currently, there are limited studies integrating clinical and multi-omics data from H/L populations, which are crucial for understanding the implications of colorectal tumorigenesis and addressing these disparities effectively. Methods: Clinical and genomic sequencing data were obtained from 60 primary CRC Tumor/Normal (T/N) samples within the Hispanic/Latino (H/L) population in the Los Angeles area through the PE-CGS network. For comparison, we analyzed 3,578 samples from non-Hispanic Whites (NHW) obtained from public databases. Additionally, we retrieved three CRC samples with spatial transcriptomic (ST) data from the 10xGenomics database. Using Whole Exome and RNA sequencing data, we performed somatic mutations, somatic copy number alterations (SCNAs), differential gene expression, cellular pathways, gene fusions, and global 2024 Sep 21-24; Los Angeles, CA. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2024;33(9 Suppl):Abstract nr C106.
Velazquez‐Villarreal et al. (Sat,) studied this question.
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