ArticleProtein and peptide letters2025
Inhibition of Canonical Wnt Signaling in Renal Cell Carcinoma Bone Metastasis: An Immunohistochemical Analysis of DKK1 and LRP5 Expression.
Article in Protein and peptide letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- PYCR1 modulates ferroptosis and malignant phenotypes of clear cell renal cell carcinoma through proline biosynthesis.Molecular biology reports · 2026Article
- Disulfidptosis-related gene DSTN predicts prognosis and promotes malignant progression in head and neck squamous cell carcinoma.Molecular and cellular biochemistry · 2026Article
- NSUN6 overexpression promotes malignant phenotypes and predicts poor prognosis in clear cell renal cell carcinoma.Cancer cell international · 2026Article
- Pan-cancer multi-omics profiling of gasdermins identifies GSDMD as an immune-related prognostic biomarker in kidney renal clear cell carcinoma.Discover oncology · 2026Article
- Glutathione Peroxidases 1 and 3 Immunoscores in Clear Cell Renal Cell Carcinoma: New Insights from a Case-Series Study.Oncology research · 2026Article
- Adipose-Derived Mesenchymal Stem Cells Reduce miR-214-5p to Promote Ovarian Cancer Progression via the β-Catenin Pathway by Targeting PAX8.Stem cells international · 2026Article
- MED15-TFE3 rearranged renal cell carcinoma: a subtype of TFE3-rearranged renal cell carcinoma with unique clinicopathologic features and better prognosis.World journal of surgical oncology · 2025Article
- Advances in molecular regulation and function of LDLR family in viral infection.Frontiers in microbiology · 2025Review
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Authors and funding
5 authors.
Funding
Abstract
BACKGROUND AND
objectiveCanonical Wnt (Wnt/β-catenin) signaling maintains bone homeostasis by promoting osteoblastic activities. The inhibitory factor, Dickkopf-1 (DKK1), enhances bone resorption in malignant diseases. Low-density lipoprotein-related protein (LRP) 5 is antagonized by DKK1. This study aimed to investigate the expression of DKK1 and LRP5 in renal cell carcinoma bone metastasis (RCC-BM).
methodsRCC-BM patients with paired samples of primary and metastatic lesions were selected for the study (RCC-BM group). RCC patients without any metastasis served as the control group (RCC-only group). Immunohistochemical staining with monoclonal anti-DKK1 and polyclonal anti- LRP5 antibody was conducted on paraffin-embedded slides. The staining results were recorded using scoring according to staining intensity in the renal tissue adjacent to the tumor, primary RCC lesions, and RCC-BM lesions.
resultsDKK1 was differently expressed among normal renal tissues, primary RCC, and RCC- BM tissues (p<0.001). The DKK1 expression in primary RCC was significantly lower than that in normal renal tissues (p<0.001) without a difference between the RCC-BM and RCC-only groups. DKK1 expression in bone metastasis was significantly higher than that in primary tumors (p<0.001). For RCC-BM patients, the expression of LRP5 in the primary tumor was significantly lower than that in adjacent renal tissues (p<0.01). The tendency of lower expression was found in primary RCC from RCC-BM patients compared to RCC without metastasis (p=0.073).
conclusionA "rebound" pattern of DKK1 expression in bone metastasis lesions and the decreasing LRP5 expression in primary lesions of RCC-BM patients suggested that Wnt/β-catenin signaling was inhibited in RCC-BM. The overexpression of DKK1 and reduced expression of LRP5 suggest that these markers may be useful for the early prediction of RCC-BM.
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