ArticleVirchows Archiv : an international journal of pathology2019
Expression and clinical role of the dipeptidyl peptidases DPP8 and DPP9 in ovarian carcinoma.
Article in Virchows Archiv : an international journal of pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Methylation of DPP9 regulates immune surveillance in non-small cell lung cancer by promoting macrophage ferroptosis via WWP2 ubiquitination.American journal of cancer research · 2026Article
- A Photocaged N-Phosphonopiperidinone as a Selective Photo-Cleavable DPP8/9 Inhibitor.Chembiochem : a European journal of chemical biology · 2025Article
- Dipeptidyl-Aminopeptidases 8 and 9 Regulate Autophagy and Tamoxifen Response in Breast Cancer Cells.Cells · 2023Article
- Identification of a Novel Oncogenic Fusion GeneInternational journal of molecular sciences · 2022Article
- New insights into the role of dipeptidyl peptidase 8 and dipeptidyl peptidase 9 and their inhibitors.Frontiers in pharmacology · 2022Review
- Identification of Dipeptidyl Peptidase (DPP) Family Genes in Clinical Breast Cancer Patients via an Integrated Bioinformatics Approach.Diagnostics (Basel, Switzerland) · 2021Article
- Review
- Mutation analysis and genomic imbalances of cells found in effusion fluids from patients with ovarian cancer.Oncology letters · 2020Article
- Fusion of theCancer genomics & proteomicsArticle
- Chromosome Translocation t(14;21)(q11;q22) Activates BothCancer genomics & proteomicsArticle
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Dipeptidyl peptidase 9 (DPP9) was recently identified as fusion gene in ovarian high-grade serous carcinoma (HGSC). The aim of this study was to analyze the expression and clinical relevance of DPP8 and DPP9 in ovarian carcinoma, with focus on HGSC. mRNA expression by qRT-PCR of DPP8 and DPP9 was analyzed in 232 carcinomas, including 114 effusions and 118 surgical specimens (89 ovarian, 29 solid metastases). DPP8 and DPP9 protein expression was analyzed in 92 effusions. DPP8 and DPP9 mRNA was overexpressed in effusions compared to solid lesions in analysis of all histotypes (p < 0.001 both), as well as in analysis limited to HGSC (p < 0.001 for DPP9, p = 0.002 for DPP8). DPP9 mRNA was additionally overexpressed in HGSC compared to other histotypes (p = 0.021). DPP8 and DPP9 protein was expressed in carcinoma cells in 31/92 (37%) and 81/92 (88%) effusions, respectively. DPP8 protein expression in HGSC effusions was significantly related to better (complete) chemoresponse at diagnosis (p = 0.005). DPP8 and DPP9 mRNA and protein expression was unrelated to survival in analysis of the entire effusion cohort. However, higher DPP9 mRNA levels were significantly related to longer overall survival in pre-chemotherapy effusions (p = 0.049). In conclusion, DPP8 and DPP9 mRNA is frequently expressed in ovarian carcinoma, whereas DPP9 is more frequently expressed at the protein level. DPP8 and DPP9 may be related to less aggressive disease in advanced-stage HGSC.
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