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Cells in seminiferus ducts and trophoblastic cells showed strong nuclear positivity. Respiratory epithelium of bronchus, squamous epithelium, decidual cells, epididymis and hematopoietic cells displayed moderate positivity. A subset of cells in gastrointestinal tract and renal tubules showed moderate nuclear and cytoplasmic positivity. Parathyroid gland and cardiac myocytes showed moderate cytoplasmic positivity. Remaining normal tissues were weakly stained or negative.