The prostate-specific antigen (PSA) blood test has long been the gold standard in prostate cancer diagnostics. More recently, liquid biopsy, which includes the analysis of circulating tumor material in the blood or urine, has emerged as a promising non-invasive tool.
The bacteria lactococcus lactis has emerged as a promising alternative expression system for membrane proteins, which are difficult to manufacture. L. Lactis is inexpensive and easy to grow. It also doesn't produce endotoxins, which makes it a good fit for therapeutic applications.
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