to investigate effects by l-glutamine on pancreatic a-cell secretion and intermediary metabolism , isolated pancreatic islets from normal and streptozotocin treated guinea pigs ( a-cell rich islets ) were incubated in the presence of glucose ( 5.5 mm ) +/- l-glutamine ( 10 mm ) .
C0030280
pancreatic a-cell
C0022131
cell