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Role of miR-511 in the Regulation of OATP1B1 Expression by Free Fatty Acid
( Jin Fu Peng ),( Li Liu ),( Cheng Xian Guo ),( Shi Kun Liu ),( Xiao Ping Chen ),( Li Hua Huang ),( Hong Xiang ),( Zhi Jun Huang ),( Hong Yuan ),( Guo Ping Yang ) 한국응용약물학회 2015 Biomolecules & Therapeutics(구 응용약물학회지) Vol.23 No.5
MicroRNAs (miRNAs) are a family of non-coding RNA that are able to adjust the expression of many proteins, including ATPbinding cassette transporter and organic cation transporter. We sought to evaluate the effect of miR-511 on the regulation of OATP1B1 expression by free fatty acids. When using free fatty acids to stimulate Chang liver cells, we found that the expression of miR-511 increased significantly while the expression of OATP1B1 decreased. We also proved that SLCO1B1 is the target gene of miR-511 with a bioinformatics analysis and using the dual luciferase reporter assay. Furthermore, the expressions of SLCO1B1 and OATP1B1 decreased if transfecting Chang liver cells with miR-511, but did not increase when transfecting the inhibitors of miR-511 into steatosis cells. Our study indicates that miR-511 may play an important role in the regulation of OATP1B1 expression by free fatty acids.
Jin, Li,Piao, Zhe Hao,Liu, Chun Ping,Sun, Simei,Liu, Bin,Kim, Gwi Ran,Choi, Sin Young,Ryu, Yuhee,Kee, Hae Jin,Jeong, Myung Ho John Wiley and Sons Inc. 2018 JOURNAL OF CELLULAR AND MOLECULAR MEDICINE Vol.22 No.3
<P><B>Abstract</B></P><P>Hypertension causes cardiac hypertrophy and leads to heart failure. Apoptotic cells are common in hypertensive hearts. Ca<SUP>2+</SUP>/calmodulin‐dependent protein kinase II (CaMKII) is associated with apoptosis. We recently demonstrated that gallic acid reduces nitric oxide synthase inhibition‐induced hypertension. Gallic acid is a trihydroxybenzoic acid and has been shown to have beneficial effects, such as anti‐cancer, anti‐calcification and anti‐oxidant activity. The purpose of this study was to determine whether gallic acid regulates cardiac hypertrophy and apoptosis in essential hypertension. Gallic acid significantly lowered systolic and diastolic blood pressure in spontaneously hypertensive rats (SHRs). Wheat germ agglutinin (WGA) and H&E staining revealed that gallic acid reduced cardiac enlargement in SHRs. Gallic acid treatment decreased cardiac hypertrophy marker genes, including atrial natriuretic peptide (<I>ANP</I>) and brain natriuretic peptide (<I>BNP</I>), in SHRs. The four isoforms, α, β, δ and γ, of <I>CaMKII</I> were increased in SHRs and were significantly reduced by gallic acid administration. Gallic acid reduced cleaved caspase‐3 protein as well as <I>bax</I>,<I> p53</I> and <I>p300 </I>mRNA levels in SHRs. <I>CaMKII</I> δ overexpression induced <I>bax</I> and <I>p53</I> expression, which was attenuated by gallic acid treatment in H9c2 cells. Gallic acid treatment reduced DNA fragmentation and the TUNEL positive cells induced by angiotensin II. Taken together, gallic acid could be a novel therapeutic for the treatment of hypertension through suppression of CaMKII δ‐induced apoptosis.</P>
Role of miR-511 in the Regulation of OATP1B1 Expression by Free Fatty Acid
Peng, Jin Fu,Liu, Li,Guo, Cheng Xian,Liu, Shi Kun,Chen, Xiao Ping,Huang, Li Hua,Xiang, Hong,Huang, Zhi Jun,Yuan, Hong,Yang, Guo Ping The Korean Society of Applied Pharmacology 2015 Biomolecules & Therapeutics(구 응용약물학회지) Vol.23 No.5
MicroRNAs (miRNAs) are a family of non-coding RNA that are able to adjust the expression of many proteins, including ATP-binding cassette transporter and organic cation transporter. We sought to evaluate the effect of miR-511 on the regulation of OATP1B1 expression by free fatty acids. When using free fatty acids to stimulate Chang liver cells, we found that the expression of miR-511 increased significantly while the expression of OATP1B1 decreased. We also proved that SLCO1B1 is the target gene of miR-511 with a bioinformatics analysis and using the dual luciferase reporter assay. Furthermore, the expressions of SLCO1B1 and OATP1B1 decreased if transfecting Chang liver cells with miR-511, but did not increase when transfecting the inhibitors of miR-511 into steatosis cells. Our study indicates that miR-511 may play an important role in the regulation of OATP1B1 expression by free fatty acids.
Identification and expression analysis of grape LRK10L-2 genes during grape fruit development
Ma Jin-Ping,Yin Xue-Ren,Wei Tong-Lu,Liu Hai-Nan,Pei Mao-Song,Yang Sheng-Di,Jin Hui-Ying,He Guang-Qi,Guo Da-Long 한국식물생명공학회 2022 Plant biotechnology reports Vol.16 No.1
LRK10L-2 is known to be related to the plant disease response, little information is available about the relationship of LRK10L-2 and fruit ripening. The protein physicochemical properties, conserved domains, gene structures, subcellular locali- zation, expression patterns during grape fruit development and promoter activity of the members of grape LRK10L-2 gene family were explored in this study. A total of 109 LRK10L-2 family gene members were identified, and mainly distributed on chromosome 16. Almost all of them were located in the plasma membrane. Most of the LRK10L-2 genes contain four or five motifs, ranging from 0 to 5 introns and have the cis-acting elements related to hormones in their promoter regions. There were 20 pairs of tandem duplicates and 293 pairs of segmental duplication in LRK10L-2 family genes. It was proved that the expression of LRK10L-2 gene varied at the different fruit development stages of 'Kyoho' and its early-ripening bud mutant, ‘Fengzao’. The subcellular localization of VIT_16s0098g00160 and VIT_16s0098g00400 were in the plasma membrane, and had a significant enrichment of the GUS signal in N.benthamiana leaves for the promoter. The results lay a solid basis for the further functional researches of the LRK10L-2 genes for grape fruit ripening.
Assembling Synthesis of Barium Chromate Nano-superstructures Using Eggshell Membrane as Template
Liu, Jin-Ku,Wu, Qing-Sheng,Ding, Ya-Ping,Yi, Yu Korean Chemical Society 2004 Bulletin of the Korean Chemical Society Vol.25 No.12
The branch-like, feather-like $BaCrO_4$ nano-superstructures were synthesized with bioactive eggshell membrane as directing and assembly template. Studies on the two products revealed that they formed through the self-assembly of nanoparticles, and that the optical properties of the products were different from $BaCrO_4$ bulk materials.
Learning an Application of Superconductivity in Modern Mass Transportation
Ping, Jin,Hui, Liu,Li, Wan The Korean Society for Railway 2012 International Journal of Railway Vol.5 No.4
Applications of superconducting technology in transportation is more straightforward than others, such as magnetic levitation (maglev) trains. A maglev train is of high speed & low power-consumption, environmental friendly and safe, accompanied by some drawbacks. This article will introduce the application of superconducting technology in the urban mass transport system, and the bottleneck of this application.
Learning an Application of Superconductivity in Modern Mass Transportation
Jin Ping,Liu Hui,Wan Li 한국철도학회 2012 International Journal of Railway Vol.5 No.4
Applications of superconducting technology in transportation is more straightforward than others, such as magnetic levitation (maglev) trains. A maglev train is of high speed & low power-consumption, environmental friendly and safe, accompanied by some drawbacks. This article will introduce the application of superconducting technology in the urban mass transport system, and the bottleneck of this application.
Jin-Yu Liu,Yu Zhang,Ru-Xu You,Fang Zeng,Dan Guo,Kai-Ping Wang 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.10
A novel polysaccharide named Angelica sinensis polysaccharide (ASP) was obtained from the powdered and defatted roots of A. sinensis (Oliv.) Diels. The molecular weight of ASP was determined to be 78 kDa and was 95.0% sugars consisting of mostly arabinose, glucose, and galactose with a molar ratio of 1:5.68:3.91. A previous study indicated that ASP may increase plasma iron levels by suppressing the expression of hepcidin, a negative regulator of body iron metabolism, in the liver. The present study aims to clarify the inhibitory effect of ASP on hepcidin expression in rat models of iron deficiency anemia (IDA), and clarify the mechanisms involved. It was demonstrated that ASP significantly reduced hepcidin expression by inhibiting the expression of mothers against decapentaplegic protein 4 (SMAD4) in liver and stimulating the secretion of erythropoietin, which further downregulated hepcidin by repressing CCAAT/enhancer-binding protein α (C/EBPα) and the phosphorylation of signal transducer and activator of transcription 3/5. The results indicate that ASP can suppress the expression of hepcidin in rats with IDA, and may be useful for the treatment of IDA