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Figure 4 | Diagnostic Pathology

Figure 4

From: Overexpression of regenerating gene Iα appears to reflect aberration of crypt cell compartmentalization in sessile serrated adenoma/polyps of the colon

Figure 4

Expressions of REG Iα and β-catenin in serial sections of a case of SSA/P. (A) Diffuse REG Iα expression observed in the whole crypt cell population and surface epithelial cells; (B) strong cytoplasmic REG Iα staining mainly in cells at the bottom of the crypt (magnifying view of ‘box’ in figure A); (C) β-catenin is expressed mainly in the cell membrane, except at the bottom of the crypt; (D) note expression of nuclear and cytoplasmic β-catenin at the bottom of the crypt, similar to REG Iα (magnifying view of ‘box’ in figure C).

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