http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
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.
Occurrence of biogenic amines in sufu obtained from Chinese market
Da-Wei Li,Jing-Jing Liang,Rui-Qin Shi,Jie Wang,Yan-Li Ma,Xiu-ting Li 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.2
This study aims at examining the level of biogenicamines (BAs) in different kinds of sufu commonlyconsumed in China. The correlation between different BAsand physical and chemical index in sufu samples was alsoinvestigated. The results proved that different processingtechnologies altered the distribution of BAs in commercialsufu. Total BA level was significantly correlated with saltcontent and pH. Some of the sufu samples in this surveycontained higher levels of BAs, of which 26.6% of thesamples might induce histamine poisoning, 15.6% mightinduce headache in virtue of phenylethylamine, and 23.4%might cause migraine and headache in virtue of tyramine. Moreover, 6.3% of the sufu samples with total BA contentover 1000 mg/kg may be harmful to human health. Fromthe food safety perspective, some sufu should not beexcessively consumed daily and should be processed understrict sanitary conditions to decrease the BA level.
Li, Da-Ke,Han, Jing,Liu, Ji-Bin,Jin, Guang-Fu,Qu, Jun-Wei,Zhu, Meng,Wang, Yan-Ru,Jiang, Jie,Ma, Hong-Xia Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.1
A recent study summarized several published genome-wide association studies (GWASs) of cancer and reported two pleiotropic loci at 6p21.1 and 7p15.3 contributing to multiple cancers including lung cancer, noncardia gastric cancer (NCGC), and esophageal squamous-cell carcinoma (ESCC) in Han Chinese. However, it is not known whether such genetic variants have similar effects on the risk of gynecologic cancers, such as ovarian cancer. Hence, we explored associations between genetic variants in 6p21.1 and 7p15.3 and ovarian cancer risk in Han Chinese women. We performed an independent case-control study by genotyping the two loci (rs2494938 A > G at 6p21.1 and rs2285947 A > G at 7p15.3) in a total of 377 ovarian cancer cases and 1,034 cancer-free controls using TaqMan allelic discrimination assay. We found that rs2285947 at 7p15.3 was significantly associated with risk of ovarian cancer with per allele odds ratio (OR) of 1.33 [95% confidence interval (CI): 1.08-1.64, P=0.008]. However, no significant association was observed between rs2494938 and ovarian cancer risk. Our results showed that rs2285947 at 7p15.3 may also contribute to the development of ovarian cancer in Han Chinese women, further suggesting pleiotropy of 7p15.3 in multiple cancers.
Energy-saving optimization on active disturbance rejection decoupling multivariable control
Ding Da-Min,Yang Hai-Ma,Liu Jin,Zhang Da-Wei,Jiang Xiao-Hui 한국원자력학회 2023 Nuclear Engineering and Technology Vol.55 No.3
An industrial control process multiple-input multiple-output (MIMO) coupled system is analyzed in this study as an example of a Loss of Coolant Accident (LOCA) simulation system. Ordinary control algorithms can complete the steady state of the control system and even reduce the response time to some extent, but the entire system still consumes a large amount of energy after reaching the steady state. So a multivariable decoupled energy-saving control method is proposed, and a novel energy-saving function (economic function, Eco-Function) is specially designed based on the active disturbance rejection control algorithm. Simulations and LOCA simulation system tests show that the Eco-function algorithm can cope with the uncertainty of the multivariable system's internal parameters and external disturbances, and it can save up to 67% of energy consumption in maintaining the parameter steady state.
CLOCK and BMAL1 stabilize and activate RHOA to promote F-actin formation in cancer cells
Teng-jiao Ma,Zhi-wei Zhang,Yilu Lu,Ying-ying Zhang,Da-chang Tao,Yun-qiang Liu,Yong-xin Ma 생화학분자생물학회 2018 Experimental and molecular medicine Vol.50 No.-
Circadian genes control most of the physiological functions in cancer cells, including cell proliferation, migration, and invasion. The CLOCK and BMAL1 complex plays a central role in circadian rhythms. Previous studies have shown that circadian genes may act as oncogenes or tumor-suppressor genes. In addition, F-actin, regulated by RHOA, has been shown to participate in tumor progression. However, the roles of the CLOCK and BMAL1 genes in the regulation of tumor progression via the RHOA-ROCK-CFL pathway remain largely unclear. Here we first indicate that the rearrangement of F-actin is regulated by CLOCK and BMAL1. We found that CLOCK and BMAL1 can upregulate RHOA expression by inhibiting CUL3-mediated ubiquitination and activate RHOA by reducing the interaction between RHOA and RhoGDI. Consequently, CLOCK and BMAL1 control the expression of the components of the RHOA-ROCK-CFL pathway, which alters the dynamics of F-actin/G-actin turnover and promotes cancer cell proliferation, migration,
Jian Hu,Long Liu,Da-wei Ma 한국물리학회 2014 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.65 No.12
The permanent-magnet synchronous motor (PMSM) system, which is a nonlinear dynamic system,will demonstrate a variety of chaotic phenomena when its parameters or external inputs fallinto a certain area, which will lead to a deterioration of its performance. Thus, chaos should besuppressed or eliminated. In this paper, the property of equilibrium points is analyzed, and thecondition for the occurrence of a Hopf bifurcation in a PMSM system is given based on a mathematicalmodel of the PMSM system with a bifurcation diagram, a Lyapunov exponent map and phaseplane diagrams given. After the drawbacks of the existing control methods have been analyzed, arobust nonlinear feedback controller is designed to control the chaos in the PMSM system with aload torque disturbance. The object is to eliminate the chaos and to drive the system speed to adesired value, Numerical simulation proves the validity of this control method.
Chun-Hao Yang,Wu-Ning Ma,Da-wei Ma,Qiang He,Jian-Lin Zhong 대한기계학회 2018 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.32 No.6
The low velocity impact analysis of functionally graded carbon nanotubes reinforced composite (FG-CNTRC) spherical shells including the contact force and indentation of the shell surface center was presented. The material properties were set according to the rule of mixture. The fibers and polymeric matrix were temperature-dependent. Timoshenko-Midlin assumption was used to establish the dimensionless nonlinear governing equations of the axis-symmetric transverse isotropy spherical shells. The Hertz contact theory was established to obtain the force and displacement between the spherical shell and impactor. Seven species of comparison analyses including grading profiles and volume fraction were mentioned to investigate the influence on the low velocity impact response of the FG-CNTRC spherical shells. The results revealed that the contact force was determined by the material properties of both contact surface and noncontact surface collectively. Furthermore, the increase of volume fraction can result in the larger contact force and shorter contact time.
Yang, Jun,Wang, Peng,Lv, Zhi-Bin,Wei, Lian-Gui,Xu, Yun-Liang,Zhou, An,Xu, Dong-Hai,Ma, Da-Qing Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.18
Background: Some tumor types are related to HIV, including non-Hodgkin lymphoma (NHL). The morbidity and mortality of NHL has remained high, even after highly active antiretroviral therapy (HAART) was introduced. We collected cases of AIDS with NHL, and evaluated the imaging features and strategies for diagnosis. Materials and Methods: There were 27 patients with AIDS and tumors confirmed by pathology. There were 9 patients with Burkitt lymphoma, 16 with diffuse large B cell lymphomas (DLBCLs), and 2 with primary central nervous system (PCNS) lymphomas. All of the patients underwent a series of imaging studies. Three radiologists analyzed the images, and any disagreement was discussed until consensus was reached. Results: The radiologic manifestations of AIDS with NHL were mainly masses and lymphadenopathy, 3 patients having one mass and 12 two or more masses. 7 patients had lymphadenopathy in one site and 3patients had lymphadenopathy in two or more sites. Coarse mucosal folds, thickening of the gastrointestinal wall, and lumen narrowing were typical manifestations of NHL within the gastrointestinal tract. There were 4 patients with masses and 5 with lymphadenopathy inthe 9 with Burkitt lymphoma, and 11 patients with masses 5 with lymphadenopathy in the 16 with DLBCLs. Conclusion: NHL is a malignancy that usually occurs in patients with AIDS. Imaging is an important method by which to evaluate lesions, masses, and lymphadenopathy. Fine needle aspiration biopsy and stereotaxis biopsy are useful methods by which to diagnose NHL.