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[Study on proteomics of inhibitory effects of elemene on proliferation of human lens epithelial cell]
Yan-hong Hu1, Xiu-rong Huang, Ming-xin Qi
1Department of Ophthalmology, the Second Affiliated People's Hospital of Fujian College of Traditional Chinese Medicine, Fuzhou 350003, China.
Objective:
To investigate the inhibitory effects of natural medicinal monomer elemene (Ele) on proliferation of human lens epithelial cells B3 (HLE-B3) inducing by recombinant human basic fibroblast growth factor(rhbFGF) and to pursue the proteomics regularity of the inhibitory effects of Ele on proliferation of HLE-B3.
Methods:
Experimental study. This study is divided into three group: control group, rhbFGF group and Ele group. Using 10 microg/L rhbFGF to induce proliferation of HLE-B3. Proliferative HLE-B3 were incubated with 80 mg/L Ele in CO2 incubator for 24 hours. Then the inhibitory effects of Ele on proliferation of HLE-B3 was detected by methyl thiazolyl tetrazolium (MTT). The change of expressions of all protein in HLE-B3 was assayed and analyzed by protein array and surface-enhanced laser desorption ionization time of flight mass spectrometry (SELDI-TOF-MS) proteomics technology.
Results:
MTT test showed that the A values of rhbFGF (0.599+/-0.053) group were higher than that of control group (0.409+/-0.042) remarkably. The A values of Ele group (0.450+/-0.061) decreased obviously compared to rhbFGF group, the inhibition rates were 24.90% (F=28.886, P=0.000). Five different protein spots were obtained in proliferative HLE-B3 induced by rhbFGF. The expressions were up-regulated in two of the five protein spots at the ratios of mass/charge (m/z) of 8093 and 9516, while the expressions were down-regulated in three of the five protein spots at m/z of 5361, 9666 and 13 767. Ten different protein spots were obtained in HLE-B3 incubated with Ele. The expressions were up-regulated in four of the ten protein spots at m/z of 2487, 4392, 8566 and 11 600, while the expressions were down-regulated in six of the ten protein spots at m/z of 3679, 4826, 6861, 9516, 9557 and 9672.
Conclusions:
Ele could effectively inhibit HLE-B3 proliferation induced by rhbFGF. The protein spot at m/z of 9516 might be the target of proliferative inhibition in HLE-B3 by Ele.
