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Angle Portrait+ CTC Staining Kit

Angle has launched the Portrait+ CTC staining kit for the identification, characterization, and enumeration of epithelial and mesenchymal cancer cells including those undergoing epithelial-to-mesenchymal transition, a key transition step in cancer cells that is associated with tumor progression, drug resistance development, and metastasis. The company launched the kit after its extensive development, optimization, and validation for advanced immunofluorescent staining of circulating tumor cells (CTCs) harvested from a patient blood sample by the company's Parsortix technology. The kit features a direct staining technique and an optimized, vivid dye combination to ensure high signal intensity while maintaining high analytical specificity and sensitivity, Angle said. The kit also includes a CellKeep slide, a CTC harvesting technology that maximizes retention of cells harvested from blood samples for imaging.