Immunohistochemical Expression of Chemokine Receptor CXCR4 as a Valuable Prognostic Marker in Renal Cell Carcinoma | ||||
| Sohag Medical Journal | ||||
| Article 10, Volume 24, Issue 3, July 2020, Page 63-74 PDF (1.11 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/smj.2020.39762.1183 | ||||
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| Authors | ||||
fatma EL-Zahraa Salah EL-Deen Yassin1; Maisa Hashem Mohammed  1; Atef Galal Abdel-Wahab2; Eman Muhamad Salah EL-Deen1
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| 1pathology department, sohag faculty of medicine,sohag university,sohag, egypt. | ||||
| 2department of Urology, Sohag faculty of medicine, Sohag University, Sohag, Egypt | ||||
| Abstract | ||||
| Abstract: Background and aim: Chemokine receptor (CXCR)4 is a G-protein coupled receptor involved in many biological processes as inflammation, angiogenesis and immune responses. Previous researches illustrated that CXCR4 expression has been detected in many carcinomas of various origins. The aim of this study was to evaluate the possible prognostic value of CXCR4 in RCCs by correlating immunohistochemical expression of CXCR4 with different patients' clinical and pathological criteria. Methods: Formalin-fixed paraffin embedded tissue blocks of 49 specimens of RCCs were evaluated for CXCR4 expression by immunohistochemistry (IHC). Correlation of CXCR4 expression with different clinical and pathological data was measured statistically. Results: Nuclear expression of CXCR4 was correlated to International society of urological pathology (ISUP) grading system that is applied for ccRCCs and papillary RCCs (p=0.024). Both cytoplasmic and membranous expression of CXCR4 were associated with histological subtypes of the studied RCC cases (p < 0.0001) and Fuhrman nuclear grading system (p=0.008 &p < 0.0001). Membranous CXCR4 was inversely correlated to pathological T stage of the studied RCCs (p=0.035). Conclusions: Expression of CXCR4 decreases in advanced stages of RCC. CXCR4 is a valuable prognostic biomarker in RCCs and should be evaluated in each subcellular localization. | ||||
| Keywords | ||||
| Renal Cell Carcinoma; CXCR4; Cancer Stem Cells; ISUP; Fuhrman grading system | ||||
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