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- W4378882528 endingPage "4452" @default.
- W4378882528 startingPage "4452" @default.
- W4378882528 abstract "The vulnerabilities of cancer cells constitute a promising strategy for drug therapeutics. This paper integrates proteomics, bioinformatics, and cell genotype together with in vitro cell proliferation assays to identify key biological processes and potential novel kinases that could account, at least in part, for the clinical differences observed in colorectal cancer (CRC) patients. This study started by focusing on CRC cell lines stratified by their microsatellite (MS) state and p53 genotype. It shows that cell-cycle checkpoint, metabolism of proteins and RNA, signal transduction, and WNT signaling processes are significantly more active in MSI-High p53-WT cell lines. Conversely, MSI-High cell lines with a mutant (Mut) p53 gene showed hyperactivation of cell signaling, DNA repair, and immune-system processes. Several kinases were linked to these phenotypes, from which RIOK1 was selected for additional exploration. We also included the KRAS genotype in our analysis. Our results showed that RIOK1's inhibition in CRC MSI-High cell lines was dependent on both the p53 and KRAS genotypes. Explicitly, Nintedanib showed relatively low cytotoxicity in MSI-High with both mutant p53 and KRAS (HCT-15) but no inhibition in p53 and KRAS WT (SW48) MSI-High cells. This trend was flipped in CRC MSI-High bearing opposite p53-KRAS genotypes (e.g., p53-Mut KRAS-WT or p53-WT KRAS-Mut), where observed cytotoxicity was more extensive compared to the p53-KRAS WT-WT or Mut-Mut cells, with HCT 116 (KRAS-Mut and p53-WT) being the most sensitive to RIOK1 inhibition. These results highlight the potential of our in silico computational approach to identify novel kinases in CRC sub-MSI-High populations as well as the importance of clinical genomics in determining drug potency." @default.
- W4378882528 created "2023-06-01" @default.
- W4378882528 creator A5013530081 @default.
- W4378882528 creator A5019778451 @default.
- W4378882528 creator A5023681686 @default.
- W4378882528 creator A5031716809 @default.
- W4378882528 creator A5071351984 @default.
- W4378882528 date "2023-05-31" @default.
- W4378882528 modified "2023-09-26" @default.
- W4378882528 title "Riok1, A Novel Potential Target in MSI-High p53 Mutant Colorectal Cancer Cells" @default.
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- W4378882528 doi "https://doi.org/10.3390/molecules28114452" @default.
- W4378882528 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37298928" @default.
- W4378882528 hasPublicationYear "2023" @default.
- W4378882528 type Work @default.