ArticleBiomedicines2023
CD44 Is Associated with Poor Prognosis of ccRCC and Facilitates ccRCC Cell Migration and Invasion through HAS1/MMP9.
Article in Biomedicines, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- CD44 upregulation in chronic liver disease marks the transition to hepatocellular carcinoma and portends poor prognosis.British journal of cancer · 2026Article
- CircCCDC66 promotes the progression and EMT of renal cell carcinoma via the miR-1278/HOXA13 axis.Journal of translational medicine · 2026Article
- Deciphering Candida's Genomic Influence on Oral Squamous Cell Carcinoma: A Bioinformatics Approach.Asian Pacific journal of cancer prevention : APJCP · 2026Article
- Hyaluronan accumulation is associated with reduced hyaluronidase expression in renal cell carcinoma, with CD44, HAS1, and HYAL2 emerging as prognostic markers.The journal of pathology. Clinical research · 2025Article
- TFE3 fusion oncoprotein condensates drive transcriptional reprogramming and cancer progression in translocation renal cell carcinoma.Cell reports · 2025Article
- Human annexin A5 promotes glioma progression by targeting theFrontiers in oncology · 2025Article
- Exploring the Potentials of Hyaluronic Acid-coated Polymeric Nanoparticles in Enhanced Cancer Treatment by Precision Drug Delivery, Tackling Drug Resistance, and Reshaping the Tumour Micro Environment.Current medicinal chemistry · 2025Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn many solid tumors, CD44 has been identified as a cancer stem cell marker as well as an important molecular in cancer progression and metastasis, making it attractive for potential therapeutic applications. However, our knowledge of the biological function and mechanism of CD44 in clear cell renal cell carcinoma (ccRCC) is limited.
methodsIn this study, the expression, prognostic values and functional enrichment analysis of CD44 in ccRCC were analyzed using public databases. Quantitative real-time PCR (qRT-PCR), Western blotting, and immunohistochemical (IHC) assays were taken to detect CD44 expression in ccRCC tissues. The effects of CD44 on the proliferation, migration and invasion of ccRCC cells were investigated by gain-of-function and loss-of-function experiments. Subcutaneous models further confirmed the role of CD44 in tumor growth. The relationship between CD44, HAS1 and MMP9 was investigated to uncover the regulatory mechanism of CD44 in ccRCC.
resultsCD44 was significantly upregulated in ccRCC and associated with poor overall survival (OS). Based on the functional enrichment analysis and PPI network, we found that CD44 had associations with ECM interaction and focal adhesion pathway. Clinical ccRCC sample validation revealed that CD44 mRNA and protein expression were significantly increased in ccRCC tissues, and strong CD44 staining was observed in four metastatic ccRCC cases. In vitro experiments showed that CD44 overexpression promoted cell proliferation, migration and invasion. In vivo experiments also demonstrated that CD44 overexpression accelerated tumor formation in mice. Finally, we found that CD44 regulates the expression of HAS1 in ccRCC, which is essential for the secretion of MMP9 and cell migratory ability.
conclusionThe upregulation of CD44 mRNA and protein expressions in ccRCC is indicative of unfavorable clinical prognoses. The CD44/HAS1/MMP9 axis is believed to exert a significant influence on the regulation of ECM degradation and ccRCC metastasis.
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