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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Int+J+Environ+Res+Public+Health
2016 ; 13
(10
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Low Dose Cadmium Inhibits Proliferation of Human Renal Mesangial Cells via
Activation of the JNK Pathway
#MMPMID27739415
Chen X
; Li J
; Cheng Z
; Xu Y
; Wang X
; Li X
; Xu D
; Kapron CM
; Liu J
Int J Environ Res Public Health
2016[Oct]; 13
(10
): ä PMID27739415
show ga
Cadmium (Cd) is a heavy metal and environmental pollutant. The kidney is the
principal target organ of Cd exposure. Previously, we found that low
concentration of Cd damages the integrity of the glomerular filtration barrier.
However, little is known about the effects of Cd on renal mesangial cells, which
provide structural support for the glomerular capillary loops and regulate
intraglomerular blood flow. In this study, human renal mesangial cells (HRMCs)
were cultured in the presence of serum and treated with 4 ?M Cd. We found that Cd
activates the c-Jun N-terminal kinase (JNK) pathway, and increases the protein
levels of c-Jun and c-Fos. Cd treatment also induces a decrease in proliferation
and an increase in apoptosis of HRMCs, but only the decrease in HRMC
proliferation was reversed by pretreatment with SP600125, an inhibitor of the JNK
pathway. In addition, Cd does not change the expression of ?-smooth muscle actin
and platelet-derived growth factor receptor-?, the markers of mesangial cells, or
the alignment of the filamentous actin (F-actin) cytoskeleton of HRMCs. Our data
indicate that the JNK pathway mediates the inhibitory effects of Cd on HRMC
proliferation.