BRG1 (SMARCA4) is involved in chromatin remodeling, which regulates the binding of transcription factors to DNA. Immunhistochemical loss of expression of BRG-1 (SMARCA4) is associated with the diagnosis of small cell carcinoma of ovary, hypercalcemic type (SCCOHT).
Staining pattern: Nuclear
A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type
One (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody ordered
Note: Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.