Science1990sglobalhigh confidence

A 1998 study published in Nature Medicine found that mice lacking neutrophil elastase show impaired host defense against gram-negative bacterial sepsis.

Notes on verification

Confirmed via PubMed (PMID 9585234) and Nature Medicine journal listing; matches title, journal, year, and findings exactly. [tier=silver indep_score=1.0 clusters=2 claim_tier=notable]

Sources