Monoclonal proteins, often called M-proteins or paraproteins, are abnormal antibodies produced by cancerous plasma cells in Multiple Myeloma. In healthy individuals, plasma cells create antibodies that help fight infections. However, in multiple myeloma, a single clone of malignant plasma cells produces excessive amounts of one specific abnormal protein, known as a monoclonal protein.... https://www.padmajalokireddy.com/myeloma/