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Moderate cytoplasmic positivity was observed in gastrointestinal tract, respiratory epithelia, renal tubules, lung, squamous epithelia, salivary ducts, fraction of cells in seminiferous ducts of testis and subset of cells in lymphoid tissues. Islet of Langerhans, subset of glial cells and neuropil displayed strong immunoreactivity. Remaining normal tissues were weakly stained or negative.