Title : Methotrexate inhibits neutrophil function by stimulating adenosine release from connective tissue cells.

Pub. Date : 1991 Mar 15

PMID : 2006182






2 Functional Relationships(s)
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1 One hypothesis that explains the effect of methotrexate on adenosine release is that, by inhibition of 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR) transformylase, methotrexate induces the accumulation of AICAR, the nucleoside precursor of which (5-aminoimidazole-4-carboxamide ribonucleoside referred to hereafter as acadesine) has previously been shown to cause adenosine release from ischemic cardiac tissue. AICA ribonucleotide 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase Homo sapiens
2 One hypothesis that explains the effect of methotrexate on adenosine release is that, by inhibition of 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR) transformylase, methotrexate induces the accumulation of AICAR, the nucleoside precursor of which (5-aminoimidazole-4-carboxamide ribonucleoside referred to hereafter as acadesine) has previously been shown to cause adenosine release from ischemic cardiac tissue. AICA ribonucleotide 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase Homo sapiens