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( Cong Rui Wang ),( Hui Yong Zhang ),( Hui Gen Feng ),( Bao Sheng Yang ),( Jogenananda Pramanik ),( Zhi Kun Guo ),( Jun Tang Lin ) 생화학분자생물학회 (구 한국생화학분자생물학회) 2010 BMB Reports Vol.43 No.5
In this study, the cDNA library of Chang-liver cells was immunoscreened using common ADAMs antibody to obtain ADAM related genes. We found one positive clone that was confirmed as a new gene by Blast, which is an uncharacterized helical and coil protein and processes protease activity, and named protease-related protein 1 (ARP1). The submitted GenBank accession number is AY078070. Molecular characterizations of ARP1 were analyzed with appropriate bioinformatics software. To analyse its expression and function, ARP1 was subcloned into glutathione S-transferase fusion plasmid pGEX-2T and expressed by E. coli system. The in vitro expression product of ARP1 was recognized by common ADAMs antibody with western blot. Interestingly, ARP1 cleaves gelatine at pH9.5, which suggests it is an alkaline protease. Semi-quantitative RT-PCR result indicates that ARP1 mRNA is strongly transcribed in the liver and the treated Chang-liver cells. [BMB reports 2010; 43(5): 375-381]
On the receding contact plane problem for bi-FGM-layers indented by a flat indenter
Cong Wang,Jie Yan,Rui Cao 국제구조공학회 2023 Structural Engineering and Mechanics, An Int'l Jou Vol.85 No.5
The major objective of this paper is to study the receding contact problem between two functional graded layers under a flat indenter. The gravity is assumed negligible, and the shear moduli of both layers are assumed to vary exponentially along the thickness direction. In the absence of body forces, the problem is reduced to a system of Fredholm singular integral equations with the contact pressure and contact size as unknowns via Fourier integral transform, which is transformed into an algebraic one by the Gauss–Chebyshev quadratures and polynomials of both the first and second kinds. Then, an iterative speediest descending algorithm is proposed to numerically solve the system of algebraic equations. Both semi-analytical and finite element method, FEM solutions for the presented problem validate each other. To improve the accuracy of the numerical result of FEM, a graded FEM solution is performed to simulate the FGM mechanical characteristics. The results reveal the potential links between the contact stress/size and the indenter size, the thickness, as well as some other material properties of FGM.
HOCl Oxidation-modified CT26 Cell Vaccine Inhibits Colon Tumor Growth in a Mouse Model
Zhou, Rui,Huang, Wen-Jun,Ma, Cong,Zhou, Yan,Yao, Yu-Qin,Wang, Yu-Xi,Gou, Lan-Tu,Yi, Chen,Yang, Jin-Liang Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Despite progress in elucidating mechanisms associated with colorectal cancer and improvement of treatment methods, it remains a frequent cause of death worldwide. New and more effective therapies are therefore urgently needed. Recent studies have shown that immunogenicity of whole ovarian tumor cells and subsequent T cell response were potentiated by oxidation modification with hypochlorous acid (HOCl) in vitro and ex vivo. These results prompted us to investigate the protective antitumor response with an HOCl treated CT26 colorectal cancer cell vaccine in an in vivo mouse model. Administration of HOCl modified vaccine triggered robust antitumor immunity to autologous tumor cells in mice and prolonged survival period significantly. In addition, increased necrosis and apoptosis were found in tumor tissue from the oxidation group. Interestingly, ELISPOT assays showed that specific T cell responses were not elicited in response to the immunizing cellular antigen, in contrast to raising sera antibody titer and antibody binding activity shown by ELISA assay and flow cytometry. Further evaluation of the mechanisms underlying HOCl modified vaccine mediated humoral immunity highlighted the role of antibody-dependent cell-mediated cytotoxicity. These results combined with previous studies suggest that HOCl oxidation modified whole cell vaccine has wide applicability as a cancer vaccine because it can target both T cell- and B cell-specific responses. It may thus represent a promising approach for the immunotherapy of colorectal cancer.
Zeng Bin,Feng Ze-Rui,Liu Ya-Ting,Chen Fu-Rong,Wang Shuai,Wu Shun-Fan,Yu Zhi-Tao,Gao Cong-Fen 한국응용곤충학회 2022 Journal of Asia-Pacific Entomology Vol.25 No.4
Cap ‘n’ collar C (CncC), a transcription factor, plays a vital role in the development of insect resistance by regulating the expression of multiple detoxifying genes. Clarifying the molecular characteristics of CncC and its pathway regulating insecticide resistance will aid the development of integrated pest control strategies. Here we cloned and identified the molecular feature of CncC genes from the brown planthopper (BPH), Nilaparvata lugens (Stål), (Hemiptera Delphacidae). The full-length open reading frame of NlCncC was 3015 nucleotides with 1005 amino acids. The deduced amino acid sequence has a high similarity with other insect homologs and contains the characteristic Cnc/bZip domain architecture. Functional studies showed that silencing NlCncC by RNA interference (RNAi) could downregulate the transcript expression of NlCYP6ER1, NlCYP6CW1, and NlCYP6AY1, which increase the susceptibility to imidacloprid in N. lugens. The identification of molecular characteristics of NlCncC and func tional studies in this paper will contribute to designing effective control strategies for N. lugens.
A20 ameliorates disc degeneration by suppressing mTOR/BNIP3 axis-mediated mitophagy
Peng Xin,Zhang Cong,Gao Jia-Wei,Wang Feng,Bao Jun-Ping,Zhou Zhi-Min,Sun Rui,Ji Hang-Yu,VLF Cabral,Wu Xiao-Tao 한국유전학회 2023 Genes & Genomics Vol.45 No.5
Background The pathological mechanism of intervertebral disc degeneration (IDD) is an unanswered question that we are committed to exploring. A20 is an anti-inflammatory protein of nucleus pulposus (NP) cells and plays a protective role in intervertebral disc degeneration. Objective This study aims to investigate the molecular mechanism by which A20 attenuates disc degeneration. Methods The proteins of interest were measured by immunoblotting, immunofluorescence, ELISA assay, and immunohistochemical technique to conduct related experiments. Immunofluorescence assays and mitochondrial membrane potential (JC-1) were used to assess mitophagy and mitochondrial fitness, respectively. Results Here, we demonstrated that A20 promoted mitophagy, attenuated pyroptosis, and inhibited the degradation of the extracellular matrix, consequently significantly ameliorating disc degeneration. Mechanistically, A20 reduces pyroptosis and further suppresses cellular mTOR activity. On the one hand, A20-induced mTOR inhibition triggers BNIP3-mediated mitophagy to ensure mitochondrial fitness under LPS stimulation, as a result of mitigating mitochondrial dysfunction induced by LPS. On the other hand, A20-induced mTOR inhibition reduces the loss of mitochondrial membrane potential and the generation of Mitochondrial ROS. Conclusion The study revealed that A20 promotes BNIP3-mediated mitophagy by suppressing mTOR pathway activation against LPS-induced pyroptosis.
Long-chain alcohols derived from the microalga Monoraphidium
Yang, Xuewei,Dai, Xin,Zhang, Rui,Shao, Cong,Geng, Shu,Chen, Guangyi,Liu, Xianhua,Wang, Guangyi Techno-Press 2013 Advances in energy research Vol.1 No.2
This study was to investigate the composition and characteristics of long-chained alcohols extracted from the algal strain Monoraphidium 3s35. The production of biomass was optimized using different cultivation methods. Under the aerated growth condition, this strain yielded up to 37.26% extracts of dry weight and $576mgL^{-1}$ biomass. The major compounds of the extracts are mainly long-chained alcohols (89.24%), with carbon chain length ranging from 12 to 20. Interestingly, or the long-chained alcohols, 3-(2-Methoxyethyl)-1-nonanol, 3,7,11,15-Tetramethyl-2-hexadecen-1-ol and oleyl alcohol accounted for 53.68%, 23.45%, and 12.11%, respectively. Because of their amphipathic nature, these long-chained alcohols have been widely used in bioenergy production and cosmetics industry. Furthermore, Monoraphidium 3s35 produced 9.73% of $C_{17}$ and $C_{20}$ alkanes, which can be used as an important supplement for the petrodiesel-like fuel.
The Diet Imbalance and Its Corrective Action in Chinese Athletes
Yang, ZeYi,Zhou, Lili,Yi, Muqing,Wang, Qirong,Gao, Hong,Xu, BaoHua,Qiao, Li,Chen, Jidi,Huang, Yuan,He, Cong,Wu, Wei,Sun, Nan,Chen, Rui 한국체육무용국제교류학회 2001 한국체육무용국제교류학회지 Vol.7 No.-
Diet is the most important substantial base to ensure athletes nutrients needs and maintain the performance. It is important for the Olympic Gold Medal Strategy. An athlete is like a racing car. Therere two key factors for the car to run faster: the engine and the gasoline. The physical components decide the engines highest power while the diet is like the gasoline the better quality of the gasoline is, the faster the urns. It is inconsistent between the importance of diet for competitive sports and the ubiquity of diet imbalance. It will influence the training efficiency and the recovery after training for a long time, and consequently hinder the improvement of the performance.