AI Article Synopsis
- The Notch3 signaling pathway is important for cancer development and treatment resistance, but its role in prostate cancer is not fully understood.
- In a study of 142 prostate cancer patients, researchers found that 15.5% had high levels of Notch3 in their cancer cells.
- High Notch3 levels were linked to more aggressive cancer features, like spreading to lymph nodes and higher tumor grades, suggesting it could be a helpful marker for doctors to understand the cancer better and figure out treatment.
Article Abstract
The Notch3 signaling pathway plays an important role in oncogenesis, tumor maintenance, and resistance to chemotherapy in human cancers. However, its role in prostate cancer (PC) is less clear. In this study, we investigated a total of 142 PC patients who underwent radical prostatectomy and examined the expression of Notch3 in PC cells using immunohistochemistry on tissue microarrays and evaluated their clinicopathological significance. The overexpression of Notch3 was observed in 22 (15.5%) out of 142 PC cases. The overexpression of Notch3 was significantly associated with lymph node metastasis ( = 0.013), higher pT stages ( = 0.033), higher pathological tumor stages ( = 0.034), and higher grades groups ( = 0.025). However, the overexpression of Notch3 was not correlated with lympho-vascular invasion, neural invasion, extra-prostatic extension, or the serum prostate-specific antigen level. This study demonstrates that Notch3 plays an oncogenic function in PC and the overexpression of Notch3 is correlated with invasiveness, metastasis, and higher Gleason grades, reflecting the features of aggressive tumors in PC, and could be an important biomarker and a possible therapeutic target. Further studies evaluating the association between Notch3 expression and survival are required.
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