Achaete-scute homolog 1 expression closely correlates with endocrine phenotype and degree of differentiation in sinonasal neuroendocrine tumors
Primary sinonasal tumors with neuroendocrine differentiation (STNDs) are uncommon, with overlapping histology. According to the amount of neuroendocrine component, they can be subcategorized into esthesioneuroblastoma, high-grade sinonasal neuroendocrine carcinoma/small cell carcinoma, and sinonasal undifferentiated carcinoma. Achaete-scute homolog 1 (ASH1) is a master gene for neuroendocrine differentiation and is expressed in fetal and adult neuroendocrine tissues. Expression of ASH1 protein may be a useful marker for cancers with neuroendocrine features.
Source: Annals of Diagnostic Pathology - Category: Pathology Authors: Melissa W. Taggart, Ehab Y. Hanna, Paul Gidley, Randal S. Weber, Diana Bell Tags: Original Contributions Source Type: research
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