ArticleOncology letters2018
The downregulation of Rap1 GTPase-activating protein is associated with a poor prognosis in colorectal cancer and may impact on tumor progression.
Article in Oncology letters, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 16 citations in OpenAlex.
- Article
- RAP1GAP is a prognostic biomarker and correlates with immune infiltrates in bladder cancer.Discover oncology · 2025Article
- Targeting the Hippo and Rap1 signaling pathways: the anti-proliferative effects of curcumin in colorectal cancer cell lines.Medical oncology (Northwood, London, England) · 2025Article
- Cordycepin Triphosphate as a Potential Modulator of Cellular Plasticity in Cancer via cAMP-Dependent Pathways: An In Silico Approach.International journal of molecular sciences · 2024Article
- RAP1-GTPase immunostaining is altered in human precancerous and cancerous cervical lesions.Biomarkers in medicine · 2024Article
- SOX9 promotes the invasion and migration of lung adenocarcinoma cells by activating the RAP1 signaling pathway.BMC pulmonary medicine · 2023Article
- TWEAK Signaling-Induced ID1 Expression Drives Malignant Transformation of Hepatic Progenitor Cells During Hepatocarcinogenesis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- The degradation of Rap1GAP via E6AP-mediated ubiquitin-proteasome pathway is associated with HPV16/18-infection in cervical cancer cells.Infectious agents and cancer · 2021Article
- Network Pharmacology-Based Study to Uncover Potential Pharmacological Mechanisms of Korean Thistle (Molecules (Basel, Switzerland) · 2021Article
- MiR-3121-3p promotes tumor invasion and metastasis by suppressing Rap1GAP in papillary thyroid cancerAnnals of translational medicine · 2020Article
- Review
- Genome-wide DNA methylation differences according to oestrogen receptor beta status in colorectal cancer.Epigenetics · 2019Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rap1 GTPase-activating protein (Rap1GAP) has been reported to serve an important role in various types of cancer by specific stimulation as a negative regulator of Rap1 activity. However, the role of Rap1GAP in colorectal cancer (CRC) has yet to be fully elucidated. The aim of the present study was to investigate the expression of Rap1GAP in CRC tissues and to elucidate its clinical significance. The expression of Rap1GAP, matrix metallopeptidase 9 (MMP-9) and E-cadherin in 227 CRC tissues and paired para-carcinoma tissues was detected by immunohistochemistry. Associations between Rap1GAP expression and clinicopathological characteristics, and between Rap1GAP expression and prognostic value (OS + DFS) in CRC were investigated. Furthermore, associations between Rap1GAP expression and MMP-9 expression, and between Rap1GAP expression and E-cadherin expression were also investigated. Rap1GAP expression was markedly downregulated in CRC tissues compared with para-carcinoma tissues. Decreased expression of Rap1GAP was significantly associated with depth of invasion, lymph node metastasis, advanced Tumor-Node-Metastasis stage and a poor prognosis in patients with CRC following surgery. Furthermore, univariate and multivariate analyses revealed that Rap1GAP was an independent poor prognostic factor for disease-free survival and overall survival. In addition, Rap1GAP expression was negatively associated with MMP-9 and positively associated with E-cadherin in 227 CRC samples. In brief, the results of the present study suggested that Rap1GAP may be involved in tumor progression in CRC and may serve as a potential target for prognostic prediction of patients with CRC.
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