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Figure 4: -Zearalanol treatment attenuated cystathionine -synthase nitration in the livers of HHcy rats. Nitrated cystathionine -synthase in liver tissue was detected by immunoprecipitation along with Western blot. Data were expressed as mean ± SD; . Student -test; * versus HHcy. CBS: cystathionine -synthase; HHcy: hyperhomocysteinemia; -ZAL: -zearalanol.