Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder.
Comprehensive characterizations of bladder cancer (BCa) have established molecular phenotype classes with distinct alterations and survival trends. Extending these studies within the tyrosine kinase (TK) family to identify disease drivers could improve our use of TK inhibitors to treat specific pati...
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2021-01-01
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| Series: | PLoS ONE |
| Online Access: | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0241766&type=printable |
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| author | Young H Lee Molly M Lee Dinuka M De Silva Arpita Roy Cara E Wright Tiffany K Wong Rene Costello Oluwole Olaku Robert L Grubb Piyush K Agarwal Andrea B Apolo Donald P Bottaro |
| author_facet | Young H Lee Molly M Lee Dinuka M De Silva Arpita Roy Cara E Wright Tiffany K Wong Rene Costello Oluwole Olaku Robert L Grubb Piyush K Agarwal Andrea B Apolo Donald P Bottaro |
| author_sort | Young H Lee |
| collection | DOAJ |
| description | Comprehensive characterizations of bladder cancer (BCa) have established molecular phenotype classes with distinct alterations and survival trends. Extending these studies within the tyrosine kinase (TK) family to identify disease drivers could improve our use of TK inhibitors to treat specific patient groups or individuals. We examined the expression distribution of TKs as a class (n = 89) in The Cancer Genome Atlas (TCGA) muscle invasive BCa data set (n >400). Patient profiles of potentially oncogenic alterations (overexpression and/or amplification) clustered TKs into 3 groups; alterations of group 1 and 3 TKs were associated with significantly worse patient survival relative to those without alterations. Many TK pathways induce epithelial-to-mesenchymal transition (EMT), which promotes tumor invasiveness and metastasis. Overexpression and/or amplification among 9 EMT transcriptional activators occurred in 43% of TCGA cases. Co-occurring alterations of TKs and EMT transcriptional activators involved most group 1 TKs; 24% of these events were associated with significantly worse patient survival. Co-occurring alterations of receptor TKs and their cognate ligands occurred in 16% of TCGA cases and several BCa-derived cell lines. Suppression of GAS6, MST1 or CSF1, or their respective receptors (AXL, MST1R and CSF1R), in BCa cell lines was associated with decreased receptor activation, cell migration, cell proliferation and anchorage independent cell growth. These studies reveal the patterns and prevalence of potentially oncogenic TK pathway-related alterations in BCa and identify specific alterations associated with reduced BCa patient survival. Detection of these features in BCa patients could better inform TK inhibitor use and improve clinical outcomes. |
| format | Article |
| id | doaj-art-5394fb87b5264fd6b4b74d104edefe1c |
| institution | Kabale University |
| issn | 1932-6203 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj-art-5394fb87b5264fd6b4b74d104edefe1c2025-08-20T03:44:41ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-01167e024176610.1371/journal.pone.0241766Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder.Young H LeeMolly M LeeDinuka M De SilvaArpita RoyCara E WrightTiffany K WongRene CostelloOluwole OlakuRobert L GrubbPiyush K AgarwalAndrea B ApoloDonald P BottaroComprehensive characterizations of bladder cancer (BCa) have established molecular phenotype classes with distinct alterations and survival trends. Extending these studies within the tyrosine kinase (TK) family to identify disease drivers could improve our use of TK inhibitors to treat specific patient groups or individuals. We examined the expression distribution of TKs as a class (n = 89) in The Cancer Genome Atlas (TCGA) muscle invasive BCa data set (n >400). Patient profiles of potentially oncogenic alterations (overexpression and/or amplification) clustered TKs into 3 groups; alterations of group 1 and 3 TKs were associated with significantly worse patient survival relative to those without alterations. Many TK pathways induce epithelial-to-mesenchymal transition (EMT), which promotes tumor invasiveness and metastasis. Overexpression and/or amplification among 9 EMT transcriptional activators occurred in 43% of TCGA cases. Co-occurring alterations of TKs and EMT transcriptional activators involved most group 1 TKs; 24% of these events were associated with significantly worse patient survival. Co-occurring alterations of receptor TKs and their cognate ligands occurred in 16% of TCGA cases and several BCa-derived cell lines. Suppression of GAS6, MST1 or CSF1, or their respective receptors (AXL, MST1R and CSF1R), in BCa cell lines was associated with decreased receptor activation, cell migration, cell proliferation and anchorage independent cell growth. These studies reveal the patterns and prevalence of potentially oncogenic TK pathway-related alterations in BCa and identify specific alterations associated with reduced BCa patient survival. Detection of these features in BCa patients could better inform TK inhibitor use and improve clinical outcomes.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0241766&type=printable |
| spellingShingle | Young H Lee Molly M Lee Dinuka M De Silva Arpita Roy Cara E Wright Tiffany K Wong Rene Costello Oluwole Olaku Robert L Grubb Piyush K Agarwal Andrea B Apolo Donald P Bottaro Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. PLoS ONE |
| title | Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. |
| title_full | Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. |
| title_fullStr | Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. |
| title_full_unstemmed | Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. |
| title_short | Autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder. |
| title_sort | autocrine signaling by receptor tyrosine kinases in urothelial carcinoma of the bladder |
| url | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0241766&type=printable |
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