SALL4 is a useful marker for pediatric yolk sac tumors

AbstractBackgroundSALL4 is a zinc finger transcription factor that exerts its physiological role during embryo-fetal development. Analyses of SALL4 expression have shown its oncogenic role in precursor B-cell lymphoblastic lymphoma, acute and chronic myeloid leukemia, gastrointestinal, breast, and lung cancers. The aim of this study was to determine the immunohistochemical profile of SALL4 in pediatric yolk sac tumors (YSTs).Methods and resultsImmunohistochemistry detection of SALL4 was performed in 22 cases of pediatric YSTs and 10 mature teratomas. The percentage of tumor cells stained was scored as 0, 1+  (1–30% cells), 2+ (31–60%), 3+ (61–90%), and 4+ (>  90%). To compare its sensitivity and specificity with Glypican-3 and α-fetoprotein (AFP), we also stained tumors from these cases for Glypican-3 and AFP. In contrast to AFP and glypican-3, SALL4 staining in more than 90% of the tumor cells was seen in all 22 pediatric YSTs (100% sensitivity) (P 
Source: Pediatric Surgery International - Category: Surgery Source Type: research

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Source: Current Opinion in Clinical Nutrition and Metabolic Care - Category: Nutrition Tags: GENES AND CELL METABOLISM: Edited by Anastasia Z. Kalea and Dorothy Klimis-Zacas Source Type: research
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