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Table 1 Effective concentrations of phospholipase C and endocytosis inhibitors, and lysomotrophic amines in suppressing type II NOS production by human and mouse cells

From: Human- and Mouse-Inducible Nitric Oxide Synthase Promoters Require Activation of Phosphatidylcholine-Specific Phospholipase C and NF-κB

 

Cells Tested

Inhibitor

A549

RAW 264.7

Phospholipase C inhibitors

ED50a

D609

18 µg/ml

25 µg/ml

U73122

8 µM

6 µM

Neomycin sulfate

14 mM

13 mM

NCDC

64 µM

108 µM

Endocytosis and lysomotrophic amines

  

Rotenone

0.2 µM

50 µM

Oligomycin

0.5 µg/ml

0.5 µg/ml

Antimycin

0.1 µM

130 µM

Monensin

10 µM

38 µM

Ammonium chloride

17 µM

50 µM

Colchicine

100 µM

200 µM

  1. *ED50 is the concentration determined to suppress type II NOS production by 50% of that produced in untreated cultures identically stimulated.