ArticleInternational journal of clinical and experimental pathology2021
Superiority of sucrase-isomaltase to CD10 for immunohistochemical detection of intestinal absorptive cell phenotype in differentiated-type gastric adenocarcinoma.
Article in International journal of clinical and experimental pathology, 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
Gastric adenocarcinoma (GAC) can be divided immunophenotypically into gastric, intestinal, or mixed gastric and intestinal phenotypes. Cadherin 17 (CDH17) and CD10 have been used as comprehensive markers for intestinal epithelial cells and for small intestinal absorptive cells in GACs, respectively. Sucrase-isomaltase (SI) and CD10 are expressed in small intestinal absorptive cells and SI is more frequently expressed than CD10 in gastric intestinal metaplasia (IM). The aim of this study was to evaluate the potential of SI as a marker for intestinal absorptive cells compared to CD10 in differentiated-type (DT) GACs. We compared the immunohistochemical expression of CDH17, SI, and CD10 in IMs and tissue microarrays of 40 samples of DTGACs. In IMs and DTGACs, CDH17 showed a diffuse lateral cytoplasmic membrane staining both in columnar and goblet cells. SI and CD10 were expressed on the luminal surfaces of the columnar cells. In IMs, SI was positive both in both complete-type IMs and in incomplete-type IMs. CD10 was positive only in complete-type IMs. In DTGACs, CDH17, SI, and CD 10 were positive in 37 (92.5%), 22 (55%), and 11 (27.5%) cases, respectively. In SI-positive cases, the degrees of expression of SI were equal to (7 cases) or less than (15 cases) those of CDH17; the degrees of expression of SI were equal to (5 cases), more than (16 cases), or less than (1 case) those of CD10. In conclusion, SI is a more sensitive immunohistochemical marker for intestinal absorptive cells than CD10 in DTGACs.
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