Artikel ; Online: The Oncogenic Protein Kinase/ATPase RIOK1 Is Up-Regulated via the c-myc/E2F Transcription Factor Axis in Prostate Cancer.
The American journal of pathology
2023 Band 193, Heft 9, Seite(n) 1284–1297
Abstract: The atypical protein kinase/ATPase RIO kinase (RIOK)-1 is involved in pre-40S ribosomal subunit production, cell-cycle progression, and protein arginine N-methyltransferase 5 methylosome substrate recruitment. RIOK1 overexpression is a characteristic of ... ...
Abstract | The atypical protein kinase/ATPase RIO kinase (RIOK)-1 is involved in pre-40S ribosomal subunit production, cell-cycle progression, and protein arginine N-methyltransferase 5 methylosome substrate recruitment. RIOK1 overexpression is a characteristic of several malignancies and is correlated with cancer stage, therapy resistance, poor patient survival, and other prognostic factors. However, its role in prostate cancer (PCa) is unknown. In this study, the expression, regulation, and therapeutic potential of RIOK1 in PCa were examined. RIOK1 mRNA and protein expression were elevated in PCa tissue samples and correlated with proliferative and protein homeostasis-related pathways. RIOK1 was identified as a downstream target gene of the c-myc/E2F transcription factors. Proliferation of PCa cells was significantly reduced with RIOK1 knockdown and overexpression of the dominant-negative RIOK1-D324A mutant. Biochemical inhibition of RIOK1 with toyocamycin led to strong antiproliferative effects in androgen receptor-negative and -positive PCa cell lines with EC |
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Mesh-Begriff(e) | Male ; Humans ; Genes, myc ; Protein Kinases/genetics ; Adenosine Triphosphatases/genetics ; Adenosine Triphosphatases/metabolism ; Adenosine Triphosphatases/pharmacology ; Toyocamycin/pharmacology ; Toyocamycin/therapeutic use ; Cell Proliferation ; Prostatic Neoplasms/pathology ; E2F Transcription Factors/genetics ; E2F Transcription Factors/metabolism ; Cell Line, Tumor ; Gene Expression Regulation, Neoplastic |
Chemische Substanzen | Protein Kinases (EC 2.7.-) ; Adenosine Triphosphatases (EC 3.6.1.-) ; Toyocamycin (L7995C4D7F) ; E2F Transcription Factors |
Sprache | Englisch |
Erscheinungsdatum | 2023-06-09 |
Erscheinungsland | United States |
Dokumenttyp | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2943-9 |
ISSN | 1525-2191 ; 0002-9440 |
ISSN (online) | 1525-2191 |
ISSN | 0002-9440 |
DOI | 10.1016/j.ajpath.2023.05.013 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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