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Correlation between anti-fibrotic effect of baicalin and serum cytokines in rat hepatic fibrosis 认领 引用 被引量：29
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作者 Xiao-Dong Peng Li-Li Dai +2 位作者 Chang-Quan Huang Chun-Mei He Li-Juan Chen 《World Journal of Gastroenterology》 SCIE CAS 2009年第37期4720-4725,共6页
AIM： To investigate the correlation between the antifibrotic effect of baicalin and serum cytokine production in rat hepatic fibrosis, METHODS： Forty male Sprague-Dawley rats were divided randomly into four groups：... AIM： To investigate the correlation between the antifibrotic effect of baicalin and serum cytokine production in rat hepatic fibrosis, METHODS： Forty male Sprague-Dawley rats were divided randomly into four groups： normal control group, model group, baicalin-treated group, and colchicine-treated group. Except for the normal control group, all rats in the other groups were administered with carbon tetrachloride to induce hepatic fibrosis. At the same time, the last two groups were also treated with baicalin or colchicine. At the end of the 8 wk, all animals were sacrificed. Serum alanine aminotransferase （ALl＇）, aspartate aminotransferase （AST）, transforming growth factor （TGF）-β1, tumor necrosis factor （TNF）-α, interleukin （IL）-6 and IL-10 were measured. Liver index, hepatic hydroxyproline content and the degree of liver fibrosis were also evaluated. RESULTS： The levels of ALT, AST and liver index in the baicalin-treated group were markedly lower than those in the model group （ALT： 143.88 ± 14.55 U/L vs 193.58± 24.35 U/L; AST： 263.66 ± 44.23 U/L vs 404.37± 68.29 U/L; liver index： 0.033 ± 0.005 vs 0.049± 0.009, P 〈 0.01）. Baicalin therapy also significantly attenuated the degree of hepatic fibrosis, collagen area and collagen area percentage in liver tissue （P 〈 0.01）. Furthermore, the levels of serum TGF-β1, TNF-α and IL-6 were strikingly reduced in the baicalin-treated group compared with the model group, while the production of IL-10 was up-regulated： （TGF-β1：260.21 ± 31.01 pg/mL vs 375.49 ± 57.47 pg/mL; TNF-α： 193.40±15.18 pg/mL vs 260.04 ± 37.70 pg/mL; IL-α：339.87 ± 72.95 pg/mL vs 606.47 ± 130.73 pg/mL; IL-10：506.22 ± 112.07 pg/mL vs 316.95 ± 62.74 pg/mL, P 〈 0.01）. CONCLUSION： Baicalin shows certain therapeutic effects on hepatic fibrosis, probably by immunoregulating the imbalance between profibrotic and antifibrotic cytokines. 展开更多
关键词 Baicalin Hepatic fibrosis Hepatic stellate cell Cytokines
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Neuroprotective effect of mesenchymal stem cellderived extracellular vesicles on optic nerve injury in chronic ocular hypertension 认领 引用 被引量：13
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作者 Fei Yu Yao Wang +3 位作者 Chang-Quan Huang Si-Jie Lin Ru-Xin Gao Ren-Yi Wu 《Neural Regeneration Research》 SCIE CAS CSCD 2023年第10期2301-2306,共6页
Mesenchymal stem cells have neuroprotective effects that limit damage to the retina and photoreceptors,and which may be mediated by extracellular vesicles(or exosomes)released by mesenchymal stem cells.To investigate ... Mesenchymal stem cells have neuroprotective effects that limit damage to the retina and photoreceptors,and which may be mediated by extracellular vesicles(or exosomes)released by mesenchymal stem cells.To investigate the neuroprotective effect of extracellular vesicles derived from umbilical cord mesenchymal stem cells on glaucoma,we established rat models of chronic ocular hypertension by injecting conjunctival fibroblasts into the anterior chamber to mimic optic nerve injury caused by glaucoma.One week after injury,extracellular vesicles derived from umbilical cord-derived mesenchymal stem cells were injected into the vitreous cavity.We found that extracellular vesicles derived from mesenchymal stem cells substantially reduced retinal damage,increased the number of retinal ganglion cells,and inhibited the activation of caspase-3.These findings suggest that mesenchymal stem cell-derived extracellular vesicles can help alleviate optic nerve injury caused by chronic ocular hypertension,and this effect is achieved by inhibiting cell apoptosis. 展开更多
关键词 animal model apoptosis chronic glaucoma chronic ocular hypertension extracellular vesicles mesenchymal stem cells neuroprotection rat retinal ganglion cells umbilical cord
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