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Jun Lu,Jia Na Li,Bo Lei,San Gen Wang,You Rong Chai 한국유전학회 2009 Genes & Genomics Vol.31 No.2
Encoding a WD40 protein, Arabidopsis thaliana TRANSPARENT TESTA GLABRA1 (AtTTG1) regulates trichome and root hair differentiation as well as flavonoids and seed mucilage deposition in plants. Here, two Brassica napus TTG1 (BnTTG1) genes were isolated, and Southern hybridization also generated only two bands. The 1511-bp BnTTG1-1 and the 1555-bp BnTTG1-2 both have one intron, and show alternative sites for transcription start, polyadenylation and intron right border splicing. EST and GSS tags suggested that BnTTG1-1 was derived from B. rapa, while BnTTG1-2 from B. oleracea. Evidence implies that TTG1 was possibly triplicated in Brassiceae, but some triplicated members were lost soon, which might involve fragmental rearrangements. BnTTG1-1 shares 88.7% genomic and 95.7% mRNA identities with BnTTG1-2. Deduced BnTTG1-1 and BnTTG1-2 proteins both are 337 aa, differed only by substitution of a similar residue. They resemble AtTTG1 in WD40 domain and all conserved motifs. TTG1/AN11-type WD40 proteins are extremely conserved even across kingdoms. Homological and structural characterizations identified BnTTG1-1 and BnTTG1-2 to be orthologs of AtTTG1. Several non-coding motifs are conserved between AtTTG1 and BnTTG1. BnTTG1 coding regions tend to evolve high GC contents through T/A→C/G substitutions especially T→C transition, but AtTTG1 shows opposite base preference. BnTTG1 genes also evolve a GA-stretch in the leader sequence. RT-PCR detected complementation in organ-specificity between BnTTG1-1 and BnTTG1-2. BnTTG1-2 is more like AtTTG1 and is expressed in all major organs. BnTTG1-1 is more organ-specific with lower expression in seed and root, possibly withdrawing from regulating seed coat pigment/mucilage deposition and root hair formation.
Yan-Jun Liang,You-Jun Lu,De-Xin Gao,Zhong-Sheng Wang 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.2
The vibration control problem of offshore jacket platforms is studied. The model of offshore platforms with nonlinear interactions of the pile-soil affected by the wave load disturbances is established. The wave loads are determined by using the Morison equation and are considered as disturbances with known dynamic characteristics but unknown initial conditions. Based on the successive approximation approach (SAA), we propose an approximate optimal vibration control scheme for the nonlinear systems of the offshore jacket platforms. Numerical simulations illustrate the effectiveness of the proposed approach.
( Xia Lu Wan ),( Zhang Jing Hai ),( Ying Chen ),( You Lei Ma ),( Wen Jun Zou ),( Guo Yuan Ding ),( Wei Li ),( Ming Yi Zhao ),( Chun Fu Wu ) 생화학분자생물학회 2013 BMB Reports Vol.46 No.7
In this paper, we firstly reported a C-type lectin cDNA clone of 1029 bps from the larvae of A. Pernyi (Ap-CTL) using PCR and RACE techniques. The full-length cDNA contains an open reading frame encoding 308 amino acid residues which has two different carbohydrate-recognition domains (CRDs) arranged in tandem. To investigate the biological activities in the innate immunity, recombinant Ap-CTL was expressed in E. coli with a 6-histidine at the amino-terminus (Ap-rCTL). Besides acted as a broad-spectrum recognition protein binding to a wide range of PAMPs and microorganisms, Ap-rCTL also had the ability to recognize and trigger the agglutination of bacteria and fungi. In the proPO activation assay, Ap-rCTL specifically restored the PO activity of hemolymph blocked by anti- Ap-rCTL antibody in the presence of different PAMPs or microorganisms. In summary, Ap-rCTL plays an important role in insect innate immunity as an pattern recognition protein.
Li, Cong,Lu, Hua-Jun,Na, Fei-Fei,Deng, Lei,Xue, Jian-Xin,Wang, Jing-Wen,Wang, Yu-Qing,Li, Qiao-Ling,Lu, You Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.6
Introduction: Reported prognostic roles of hypoxic inducible factor (HIF) expression in non-small cell lung cancer (NSCLC) have varied. This meta-analysis aimed to examine the relationship between HIF expression and clinical outcome in NSCLC patients. Methods: PubMed were used to identify relevant literature with the last report up to December $20^{th}$, 2012. After careful review, survival data were collected from eligible studies. We completed the meta-analysis using Stata statistical software (Version 11) and combined hazard ratio (HR) for overall survival (OS). Subgroup specificity, heterogeneity and publication bias were also assessed. All of the results were verified by two persons to ensure accuracy. Results: Eight studies were finally stepped into this meta-analysis in which seven had available data for HIF-$1{\alpha}$ and three for HIF-$2{\alpha}$. Combined HRs suggested that higher expression of $HIF1{\alpha}$ had a negative impact on NSCLC patient survival (HR=1.50; 95%CI=1.07-2.10; p=0.019). The expression of HIF-$2{\alpha}$ was also relative to a poorer survival (HR=2.02; 95%CI=1.47-2.77; p=0.000). No bias existed in either of the two groups. Conclusion: This study suggests that elevations of HIF-$1{\alpha}$ and HIF-$2{\alpha}$ expression are both associated with poor outcome for patients with NSCLC. The data support further and high quality investigation of HIF expression for predicting poor outcome in patients with NSCLC.
Lee, Hyo-Geun,Je, Jun-Geon,Hwang, Jin,Jayawardena, Thilina U.,Nagahawatta, D.P.,Lu, Yu An,Kim, Hyun-Soo,Kang, Min-Cheol,Lee, Dae-Sung,Jeon, You-Jin The Korean Society of Fisheries and Aquatic Scienc 2021 Fisheries and Aquatic Sciences Vol.24 No.5
Marine brown seaweeds are a source of functional ingredients with various biological properties. They have been used in the food and functional food industries. Brown seaweeds are divided into three parts of blades, stipe, and root. Normally seaweed blades were used as raw materials for biological research. However, there are limited uses on stipes of Ecklonia maxima (E. maxima) depending on the physicochemical, nutritional, and biological properties. Besides, the comparative studies of two structures of E. maxima, blades and stipe didn't discover previously. This study aimed to compare the potent antioxidant and anti-inflammatory activities of the two structures of E. maxima, blades and stipe in vitro studies to increase the utilization of the two structures of E. maxima. The enzyme-assisted hydrolysate from E. maxima showed significant antioxidant and anti-inflammatory activities. Among them, celluclast-assisted hydrolysate from E. maxima blades (EMBC) and viscozyme-assisted hydrolysate from E. maxima stipe (EMSV) expressed significant protection on hydrogen peroxide-induced oxidative stress. Moreover, EMBC and EMSV treatment remarkably reduced nitric oxide production by downregulation of pro-inflammatory cytokine expressions in lipopolysaccharide-stimulated Raw 264.7 cells. Especially EMBC showed strong inhibition on pro-inflammatory cytokine production compared to EMSV. Taken together research findings suggest that EMBC and EMSV possessed potent antioxidant and anti-inflammatory properties and may be utilized as functional ingredients in the food and functional food sectors.
Analysis of Prethrombotic States in Patients with Malignant Tumors
Cui, Lin,Sun, You-Hong,Chen, Jue,Wang, Lu,Liu, Jian-Jun,Zhou, Xiang-Rong,Ding, Jie,Liu, Xing-Xiang,Huang, Xin-En Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.13
Background: This study aimed to investigate the incidence and risk factors for a prethrombotic state in patients with malignant tumors. Materials and Methods: Plasma d-dimer (D-D) in patients with malignant tumors was measured. Abnormal rates of D-D and possible risk factors like gender, age, type of tumor, and staging of tumor were analyzed. Results: Of 1,453 patients, 629 demonstrated plasma D-D abnormality (43.3%). The D-D abnormal rate of male patients (n=851, 43.5%) was not statistically significantly different from that for female patients (n=602, 43.0%) (p>0.05). D-D abnormal rate increased with age and was statistically significant among different age groups (p<0.05). Regarding staging of tumor, D-D abnormal rate in patients with phase I was 2.0%, 6.2% in phase II, 47.6% in phase III and 83.1% in phase IV, with statistically significant differences between phase III and II, as well as phase III and IV (p<0.01). Conclusions: A prethrombotic state was closely related to malignancy of tumors. The risk factors for a prethrombotic state include age and tumor stage.
Xiu Mei Dai,Ru Hong Xu,Jun Lu,Fang Li,Jia Na Li,You Rong Chai 한국유전학회 2008 Genes & Genomics Vol.30 No.5
In the introgression of the distinguished powdery mildew resistance from Haynaldia villosa to wheat, a focus task is to develop applicable molecular markers for tracing alien genetic substances and breeding selection. In an attempt to breed wheat breeding lines combining powdery mildew resistance of wheat stock 010714 conferred by alien 6V chromosome from H. villosa with thermo- photo-sensitive genic male sterility (TGMS) from wheat line C050S, a molecular marker RM874 was identified in PCR amplification using RAPD primer S2018. Batched sequencing indicated that the band contained large amounts of equal-length homologues amplified from Ty3-gypsy retrotransposon-like repetitive regions. Based on comparative cloning and bioinformatic analysis, it was converted into a more reproducible sequence characterized amplified region (SCAR) marker SM142. In wheat genetic background, the marker is 6V-specific and linked to powdery mildew resistance. The linkage of the marker is further verified in F5 generation. The approach of transforming repetitive regions-derived RAPD band into a specific SCAR marker can be referred for SCAR marker development of other genes. GISH (Genome in situ hybridization) analysis of 010714 and F7 translocation lines indicated that the resistance gene is conferred by the short arm of 6V.