Evidence for the utilization of preformed purines by rat lymphoid tissues: implication to immunosuppression by 6-thiopurine analogues.
D000818:Animals; D001379:Azathioprine / Q000494:pharmacology*; D005561:Formates / Q000378:metabolism; D008221:Lymphoid Tissue / Q000378:metabolism*; D011687:Purines / Q000037:antagonists & inhibitors / Q000096:biosynthesis*; D051381:Rats
D005561:Formates; D011687:Purines; D001379:Azathioprine