PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19164562-2 2009 Infection of Rag2(-/-) mice with Helicobacter hepaticus led to accumulation of macrophages and neutrophils in the colon, a process temporally related to up-regulation of tissue inducible nitric oxide synthase (iNOS) expression at the site of infection and increased nitric oxide (NO) production, as evidenced by urinary excretion of nitrate. Nitrates 333-340 recombination activating gene 2 Mus musculus 13-17