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Hector Croxatto

Hector Croxatto Rezzio, Chilean biochemist (Valparaiso 03 July 1907 – Santiago 28 September 2010)
Authored over 300 works

His works on kalikrein-kynin system gained world acclaim
Discovered pepsanurin (1942) and PU-D1, a new kininogen-derived peptide
Showed that the proteolytic hydrolysis of plasma proteins gave rise to potent peptides acting upon smooth muscles and kidney functions

With G.B. Marini-Bettolo purified and characterized renal proteins presenting important biological activity

Described a number of vasoactive peptides
Eponym of Porcelli-Croxatto method for studying urinary kallikrein


Houssay Prize, OAS (1983)