Inhibition of fetal calf serum-stimulated proliferation of rabbit cultured tracheal smooth muscle cells by selective inhibitors of protein kinase C and protein tyrosine kinase.

1995 ◽  
Vol 12 (2) ◽  
pp. 149-161 ◽  
Author(s):  
S J Hirst ◽  
B L Webb ◽  
M A Giembycz ◽  
P J Barnes ◽  
C H Twort
1997 ◽  
Vol 17 (5) ◽  
pp. 969-978 ◽  
Author(s):  
Michele Mietus-Snyder ◽  
Annabelle Friera ◽  
Christopher K. Glass ◽  
Robert E. Pitas

1987 ◽  
Vol 173 (2) ◽  
pp. 504-514 ◽  
Author(s):  
Ken-Ichi Kariya ◽  
Yasuo Fukumoto ◽  
Terutaka Tsuda ◽  
Takeshi Yamamoto ◽  
Yasuhiro Kawahara ◽  
...  

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
Jie Li ◽  
Lei Cao ◽  
Cang-Bao Xu ◽  
Jun-Jie Wang ◽  
Yong-Xiao Cao

Minimally modified low-density lipoprotein (mmLDL) is a risk factor for cardiovascular disease. The present study investigated the effects of mmLDL on the expression of endothelin type A () receptors in coronary arteries. Rat coronary arteries were organ-cultured for 24 h. The contractile responses were recorded using a myographic system. receptor mRNA and protein expressions were determined using real-time PCR and western blotting, respectively. The results showed that organ-culturing in the presence of mmLDL enhanced the arterial contractility mediated by the receptor in a concentration-dependent and time-dependent manner. Culturing with mmLDL (10 μg/mL) for 24 h shifted the concentration-contractile curves toward the left significantly with increased of from control of and significantly increased receptor mRNA and protein levels. Inhibition of the protein kinase C, extracellular signal-related kinases 1 and 2 (ERK1/2), or NF-κB activities significantly attenuated the effects of mmLDL. The c-Jun N-terminal kinase inhibitor or the p38 pathway inhibitor, however, had no such effects. The results indicate that mmLDL upregulates the receptors in rat coronary arterial smooth muscle cells mainlyviaactivating protein kinase C, ERK1/2, and the downstream transcriptional factor, NF-κB.


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