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Liang, Ying Shi,Ermawati, Netty,Cha, Joon-Yung,Jung, Min-Hee,Su'udi, Mukhamad,Kim, Min-Gab,Ha, Sun-Hwa,Park, Chung-Gyoo,Son, Dae-Young The Korean Society for Applied Biological Chemistr 2010 Applied Biological Chemistry (Appl Biol Chem) Vol.53 No.2
The cytokinin response factor 5 (CRF5) belongs to a family of plant-specific APETALA2 (AP2)/ethylene-responsive element binding proteins (EREBPs). The novel role of Arabidopsis CRF5, previously identified as a mediator of cytokinin signaling, has been suggested to increase pathogen resistance in this study. Endogenous CRF5 transcripts are expressed in all tissues, including the seedlings, leaf, stem, flower, silique and root, and were found to be induced at 1 h after infection with the bacterial pathogen, Pseudomonas syringae pv. tomato DC3000 (Pst DC3000). The results of a yeast one-hybrid assay revealed that an acidic region of CRF5, including the C-terminal 28 amino acids, functions as a transcriptional activator. Overexpression of CRF5 in transgenic Arabidopsis increases pathogen resistance and concomitantly activates the expression of a large number of GCC-box pathogenesis-related genes. These results indicate that CRF5 may be involved in disease resistance as a transcription activator, thus providing a mechanistic link between the plant pathogen response and cytokinin signaling.
Shi, Dong-liang,Shi, Gui-rong,Xie, Jing,Du, Xu-zhao,Yang, Hao Korean Society for Molecular and Cellular Biology 2016 Molecules and cells Vol.39 No.8
Fibroblast-like synoviocytes (FLS) with aberrant expression of microRNA (miRNA) are critical pathogenic regulators in rheumatoid arthritis (RA). Previous studies have found that overexpression or silencing of miRNA can contribute to the development of miRNA-based therapeutics in arthritis models. In this study, we explored the effects of miR-27a on cell migration and invasion in cultured FLS from RA patients. We found that miR-27a was markedly downregulated in the serum, synovial tissue, and FLS of RA patients. Meanwhile, the expression of follistatin-like protein 1 (FSTL1) was upregulated, which suggests that FSTL1 plays a key role in RA development. The results of a Transwell assay showed that miR-27a inhibited FLS migration and invasion. However, miR-27a inhibition promoted the migration and invasion of FLS. In addition, the down-regulated expression of matrix metalloproteinases (MMP2, MMP9, and MMP13) and Rho family proteins (Rac1, Cdc42, and RhoA) was detected after treatment with miR-27a in RA-FLS by quantitative reverse transcription-PCR and western blot analysis. Then, a luciferase reporter assay validated that miR-27a targeted the 3-untranslated region (3'-UTR) of FSTL1. Moreover, miR-27a caused a significant decrease of FSTL1. In addition, the expression of TLR4 and $NF{\kappa}B$ was inhibited by miR-27a but increased by FSTL1 overexpression. In conclusion, we found that miR-27a inhibited cell migration and invasion of RA-FLS by targeting FSTL1 and restraining the $TLR4/NF{\kappa}B$ pathway.
Vascular-specific activity of the Arabidopsis carotenoid cleavage dioxygenase 7 gene promoter.
Liang, Ying Shi,Jeon, Yun-A,Lim, Sun-Hyung,Kim, Jae Kwang,Lee, Jong-Yeol,Kim, Young-Mi,Lee, Yeon-Hee,Ha, Sun-Hwa Springer 2011 Plant cell reports Vol.30 No.6
<P>Carotenoid cleavage dioxygenases (CCDs) are involved in the production of diverse apocarotenoids including phytohormones, the visual molecules and the aromatic volatile compounds derived from carotenoids. Here, we examined the spatial expression of four of the CCD genes (AtCcd1, 4, 7 and 8) among the nine members of this family in Arabidopsis by RT-PCR. We found that the AtCcd7 gene showed strong expression in seeds. However, the promoter activity of the 1,867-bp 5'-upstream region of this gene exhibited a vascular specificity at all developmental stages throughout the transgenic Arabidopsis plants tested. The strength of the AtCcd7 promoter was also found to be lower than that of the 35S promoter by about 60%. The whole body expression of the beta-glucuronidase (GUS) reporter gene driven by the AtCcd7 promoter in Arabidopsis plants was confirmed in different organs by RT-PCR and GUS enzymatic assays. Histochemical GUS staining further revealed that the AtCcd7 promoter has utility in limiting the expression of target genes to the vascular tissues in all plant organs such as the leaf, stem, root, flower and seed.</P>
Shi, Liang,Seo, Hyo Jin Optical Society of America 2011 Optics express Vol.19 No.8
<P>The single-phased K<sub>2</sub>Y<sub>1-x</sub>Eu<sub>x</sub>Zr(PO<sub>4</sub>)<sub>3</sub> (x = 0~1) phosphors were prepared by solid-state reaction. The greenish-blue Zr<sup>4+</sup>-emission due to the Zr<sup>4+</sup>-O<sup>2-</sup> charge transfer transition is observed in the K<sub>2</sub>YZr(PO<sub>4</sub>)<sub>3</sub> (x = 0) phosphor under UV excitation. Together with the Zr<sup>4+</sup>-emission, the red emission of Eu<sup>3+</sup> is progressively developed by replacement of Y<sup>3+</sup> to Eu<sup>3+</sup> over the full Eu-content (x = 0~1) in K<sub>2</sub>Y<sub>1-x</sub>Eu<sub>x</sub>Zr(PO<sub>4</sub>)<sub>3</sub>. The emission color varies from greenish-blue to whitish with increasing Eu<sup>3+</sup>-content and the white-light emission is realized in single-phased phosphor of K<sub>2</sub>EuZr(PO<sub>4</sub>)<sub>3</sub> (x = 1) by combining the Zr<sup>4+</sup>-emission and the Eu<sup>3+</sup>-emission.</P>
Shi, Liang,Wu, Li-Li,Yang, Jian-Rong,Chen, Xiao-Fei,Zhang, Yi,Chen, Zeng-Qiang,Liu, Cun-Li,Chi, Sheng-Ying,Zheng, Jia-Ying,Huang, Hai-Xia,Yu, Fu-Jun,Lin, Xiang-Yang Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.7
Background: Recently, peroxiredoxin3 (PRDX3) was identified as a novel molecular marker for the progression of hepatocellular carcinoma (HCC). However, its potential clinical application as a serum marker for the early diagnosis and prognosis of HCC has not been investigated. Methods: PRDX3, alpha-fetaprotein (AFP), and other biochemical parameters were measured in serum samples from 297 Chinese patients, including 96 with HCC, 98 with liver cirrhosis (LC), and 103 healthy controls (HCs). Correlations between serum PRDX3 expression and clinicopathological variables and the relationship between serum PRDX3 expression and prognosis were analyzed. Results: Serum PRDX3 was significantly higher in HCC patients than in the LC and HC groups. The sensitivity and specificity of serum PRDX3 for the diagnosis of HCC were 85.9% and 75.3%, respectively, at a cutoff of 153.26 ng/mL, and the area under the curve was 0.865. Moreover, serum PRDX3 expression was strongly associated with AFP level, tumor diameter, TNM stage, and portal vein invasion. Kaplan-Meier curve analysis revealed that HCC patients with high serum PRDX3 expression had a shorter median survival time than those with low PRDX3 expression. Moreover, serum PRDX3 expression was an independent risk factor for overall survival. The inverse correlation between serum PRDX3 and patient survival remained significant in patients with early-stage HCC and in those with normal serum AFP levels. Conclusions: Serum PRDX3 can be used as a noninvasive biomarker for the diagnosis and/or prognosis of HCC.
Liang Shi-Bing,Hou Wen-Bin,Zheng Ruo-Xiang,Liang Chang-Hao,Yan Li-Jiao,Wang Hao-Nan,Cao Hui-Juan,Han Mei,Robinson Nicola,Liu Jian-Ping 한국한의학연구원 2022 Integrative Medicine Research Vol.11 No.1
Background: Compound glycyrrhizin injection (CGI) is a preparation with glycyrrhizin as the main active ingredient extracted from licorice. As clinical trials suggest that CGI is effective in improving liver function for acute icteric hepatitis in children (AIHC), this systematic review aimed to evaluate and verify its therapeutic effects and safety. Methods: Six electronic databases were searched from their inception to 15 May 2021. Randomized controlled trials (RCTs) assessing therapeutic effects and safety of CGI for AIHC were included. The risk of bias for each trial was assessed using the Cochrane Risk of Bias Tool 2.0. Primary outcomes were indexes related to liver function, including total bilirubin (TBiL), alanine aminotransferase (ALT) and aspartate transaminase (AST). RevMan 5.4 software was used for data analyses. The certainty of the evidence was assessed using the online GRADEpro tool. Results: Six RCTs involving 608 children were included. The overall bias was assessed as having “high risk of bias” in all trials. All trials compared the combination of CGI and conventional western medicine (CWM) with CWM alone. Regarding the effects of CGI for AIHC, results showed that CGI plus CWM was superior to CWM alone in reducing the levels of TBiL (mean difference (MD) = -8.19 mmol/L, 95% CI -9.86 to -6.53), ALT (MD = -24.09 U/L, 95% CI -30.83 to -17.34) and AST (MD = -18.67 U/L, 95% CI -21.88 to -15.45). No trial reported adverse events. The certainty of the evidence for outcomes were all evaluated as low or very low. Conclusion: CGI may have adjuvant therapeutic effects on improving the liver function of children with AIHC. There is no evidence to determine the safety of CGI for AIHC. As current evidence is weak, further well-designed RCTs are required for verification of the therapeutic effects of CGI. Background: Compound glycyrrhizin injection (CGI) is a preparation with glycyrrhizin as the main active ingredient extracted from licorice. As clinical trials suggest that CGI is effective in improving liver function for acute icteric hepatitis in children (AIHC), this systematic review aimed to evaluate and verify its therapeutic effects and safety. Methods: Six electronic databases were searched from their inception to 15 May 2021. Randomized controlled trials (RCTs) assessing therapeutic effects and safety of CGI for AIHC were included. The risk of bias for each trial was assessed using the Cochrane Risk of Bias Tool 2.0. Primary outcomes were indexes related to liver function, including total bilirubin (TBiL), alanine aminotransferase (ALT) and aspartate transaminase (AST). RevMan 5.4 software was used for data analyses. The certainty of the evidence was assessed using the online GRADEpro tool. Results: Six RCTs involving 608 children were included. The overall bias was assessed as having “high risk of bias” in all trials. All trials compared the combination of CGI and conventional western medicine (CWM) with CWM alone. Regarding the effects of CGI for AIHC, results showed that CGI plus CWM was superior to CWM alone in reducing the levels of TBiL (mean difference (MD) = -8.19 mmol/L, 95% CI -9.86 to -6.53), ALT (MD = -24.09 U/L, 95% CI -30.83 to -17.34) and AST (MD = -18.67 U/L, 95% CI -21.88 to -15.45). No trial reported adverse events. The certainty of the evidence for outcomes were all evaluated as low or very low. Conclusion: CGI may have adjuvant therapeutic effects on improving the liver function of children with AIHC. There is no evidence to determine the safety of CGI for AIHC. As current evidence is weak, further well-designed RCTs are required for verification of the therapeutic effects of CGI.
Shi-Liang Wang,Yu-Feng Yao,Hao Chen 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.3
A series of new organic–inorganic nanohybrids were successfully prepared by using Congo red and heat-treated halloysite clays. The results show that an increase in calcination temperature leads to the reduction of lightness (L*) and color hue (a*, b*). The hybrids prepared, respectively, with 400 ℃ treated and 500 ℃ treated halloysites have the same order of HNO3 > HCl > H2SO4 with respect to the acid resistance. The hybrid with a light red hue can be obtained by alkali treatment when halloysite calcined at higher temperature was used as a host. There exists a strong host–guest interaction between nanotubes and Congo red anions. The leaching of aluminum in the clay has a decisive influence on the acid/alkali resistance of the hybrid.