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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+Ophthalmol
2015 ; 8
(5
): 872-6
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Expression of transcription factors Slug in the lens epithelial cells undergoing
epithelial-mesenchymal transition induced by connective tissue growth factor
#MMPMID26558194
Wang YN
; Qin L
; Li JM
; Chen L
; Pei C
Int J Ophthalmol
2015[]; 8
(5
): 872-6
PMID26558194
show ga
AIM: To investigate the expression of transcription factors Slug in human lens
epithelial cells (HLECs) undergoing epithelial-mesenchymal transition (EMT)
induced by connective tissue growth factor (CTGF). METHODS: HLECs were treated
with CTGF of different concentrations (20, 50 and 100 ng/mL) or without CTGF
(control) for 24h. The morphological changes of HLECs were analysed by
microscopy. The expression and cellular localization of Slug was evaluated by
immumo-fluorescence. Expressions of Slug, E-cadherin and alpha smooth muscle
actin (?-SMA) were further determined by Western blot analysis. RESULTS: HLECs
showed spidle fibrolasts-like characteristics and loosely connected each other
after CTGF treatment. The immuno-fluorescence staining indicated that Slug was
localized in the nuclei and its expression was induced by CTGF. The relative
expressions of Slug protein were 1.64±0.11, 1.96 ±0.03, 3.12 ±0.10, and
4.08±0.14, respectively, in response to control group and treatment with CTGF of
20, 50 and 100 ng/mL (F=443.86, P<0.01). The increased Slug protein levels were
correlated well with up-expression of ?-SMA (0.78±0.05, 0.85±0.06, 2.17±0.15,
2.86±0.10; F=449.85, P<0.01) and down-expression of E-cadherin (2.50±0.11,
1.79±0.26, 1.05±0.14, 0.63±0.08; F=101.55, P<0.01). CONCLUSION: Transcription
factor Slug may be involved in EMT of HLECs induced by CTGF in vitro.