0 By Mary Dollear In Home Page Articles, Links to Lupus NewsPosted November 13, 2025A Liquid Biopsy for Lupus Nephritis?A liquid biopsy for kidney lupus is being developed. It relies on determining levels of tenascin C in the urine. It’s a predictor of kidney function loss in lupus. – Dr. Robert Katz, LSI's Board [...] READ MORE