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Effect of propofol on secretory function of adrenal medullary chromaffin cells of rats / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 58-60, 2017.
Article in Chinese | WPRIM | ID: wpr-505529
ABSTRACT
Objective To investigate the effect of propofol on the secretory function of adrenal medullary chromaffin cells of rats.Methods The rat adrenal pheochromocytoma cells cultured in vitro were seeded in 24-well plates at a density of 1×1010 cells/ml and divided into 5 groups (n=12 each) using a random number tablecontrol group (group C),different concentrations of propofol groups (P1 and P2 groups),and different concentrations of etomidate groups (E1 and E2 groups).Propofol was added with the final concentrations of 30 and 100 μmol/L in P1 and P2 groups,respectively.Etomidate was added with the final concentrations of 4 and 40 μmol/L in EI and E2 groups,respectively.The cells were then incubated for 10 min in an incubator at 37 ℃.At the end of incubation with drugs,6 wells in each group were selected,and physiological salt solution 200 μl was added;another 6 wells in each group were selected,and high K+ physiological salt solution was added.[3 H] PSS and [3 H] K+-PSS were measured by [3 H] norepinephrine release assays.Results Compared with group C,[3 H] K+-PSS and [3 H] K+-PSS/PSS were significantly decreased in P1,P2 and E2 groups (P<0.05),and no significant changes were found in [3H] K+-PSS and [3H] K+-PSS/PSS in group E1 (P>0.05).Compared with group P1,[3 H] K+-PSS and [3 H] K+-PSS/ PSS were significantly decreased in group P2 (P<0.05).Conclusion Propofol can inhibit the secretory function of adrenal medullary chromaffin cells of rats in a concentration-dependent manner.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Anesthesiology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Anesthesiology Year: 2017 Type: Article