ArticleAsian Pacific journal of cancer prevention : APJCP2021
Evaluating the value of Amphiregulin, Phosphatase and Tensin Homologue (PTEN) and P21 Expression for Anti-EGFR Treatment in Metastatic Colorectal Carcinoma.
Article in Asian Pacific journal of cancer prevention : APJCP, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDespite the significant progress in target therapy for the treatment of metastatic colorectal carcinoma (mCRC), the overall survival isn't satisfactory.
methodsWe assessed the expression of Amphiregulin, PTEN, and P21 in sections from 23 paraffin blocks prepared from 23 patients with left-sided mCRC using immunohistochemistry (IHC). The relationship between their level of expressions, clinicopathological parameters, response to anti-EGFR, and prognosis were analyzed.
resultsHigh Amphiregulin, PTEN and low P21 expression levels were associated with low tumor grade (p= 0.038 and 0.025 respectively), better response to anti-EGFR treatment (p <0.001), and favorable outcome {progression-free survival (PFS) and overall survival (OS)} (p <0.05). There was a direct relation between Amphiregulin and PTEN expressions (phi coefficient=+0.840), while there was an inverse relation between P21expression and both Amphiregulin (phi coefficient= -0.840) and PTEN expressions (phi coefficient = -1.000), which was statistically significant (P <0.001).
conclusionHigh Amphiregulin and PTEN expression levels and low P21 expression levels were associated with better response to anti-EGFR therapy and improved survival outcome. They might be considered predictive markers of response to anti-EGFR therapy in mCRC.<br /> <br />.
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