no effect on the activity of the 20 alpha-hsdh could be demonstrated for pgi2 and its stable metabolite 6-keto-pgf1 alpha , for the cyclic nucleotides ( dbcamp , dbcgmp ) and for the tricarboxylic acids ( citrate , ketoglutarate , lactate , malonate , pyruvate and succinate ) when added to the incubation at 100 microm concentration .
C0040887
tricarboxylic acids
C0008857
citrate