Yale researchers develop novel test for leptospirosis
Peer-Reviewed Publication
Updates every hour. Last Updated: 9-Oct-2025 03:11 ET (9-Oct-2025 07:11 GMT/UTC)
New Haven, Conn. — In a new study, Yale School of Medicine (YSM) researchers unveiled a novel diagnostic method for detecting leptospiral virulence-modifying (VM) proteins in the blood and urine of hamsters, an advance that could pave the way for early diagnosis of the tropical disease leptospirosis in humans and improved treatment options. The findings were published in the journal Microbiology Spectrum.
The research, led by Yale’s Dr. Joseph M. Vinetz and his team, in collaboration with Luna Bioscience, a company founded by Vinetz to develop vaccines for emerging global infectious diseases, has led to the development of a monoclonal antibody (mAb)-based capture immunoassay. This assay detects VM proteins, a recently identified family of leptospiral proteins crucial for disease pathogenesis.
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