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Two New Species of Placolecis (Lichenized Ascomycota) from China
( An Cheng Yin ),( Xin Yu Wang ),( Dong Liu ),( Yan Yun Zhang ),( Mei Xia Yang ),( Li Juan Li ),( Li Song Wang ) 한국균학회 2019 Mycobiology Vol.47 No.4
Two new species of the lichen genus Placolecis are discovered in China, namely P. kunmingensis An. C. Yin & Li S. Wang and P. sublaevis An. C. Yin & Li S. Wang. The new combination P. loekoesiana (S.Y. Kondr., Farkas, J.J. Woo & Hur) An. C. Yin is proposed. Placolecis kunmingensis is characterized by having simple, spherical or ellipsoid, hyaline spores, and pear-shaped pycnidia; while P. sublaevis can be distinguished by its thallus forming larger aggregations with slightly flattened lobes at the thallus margin, and urn-shaped pycnidia. Descriptions, a phylogenetic tree and a key are provided for all the known Placolecis species in China.
Expression and Effects of JMJD2A Histone Demethylase in Endometrial Carcinoma
Wang, Hong-Li,Liu, Mei-Mei,Ma, Xin,Fang, Lei,Zhang, Zong-Feng,Song, Tie-Fang,Gao, Jia-Yin,Kuang, Ye,Jiang, Jing,Li, Lin,Wang, Yang-Yang,Li, Pei-Ling Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.7
Previous studies have demonstrated that JMJD2A is a potential oncogene and is overexpressed in human tumors. However, its role in the endometrial carcinoma remains largely unknown. In this study, we discovered that JMJD2A was overexpressed in endometrial carcinoma, using immunohistochemistry, quantitative realtime polymerase chain reaction, and western blotting. Downregulation of JMJD2A led to reduced endometrial carcinoma RL95-2 and ISK cell proliferation, invasion and metastasis as asessed with cell counting kit-8, cell migration and invasive assays. Collectively, our results support that JMJD2A is a promoter of endometrial carcinoma cell proliferation and survival, and is a potential novel drug target.
Xin Mei Wang,Zi Wen Jiang,Wei Yang 원광대학교 기초자연과학연구소 2017 ANNALS OF FUZZY MATHEMATICS AND INFORMATICS Vol.14 No.5
Various intuitionistic fuzzy aggregation operators for intuitionistic fuzzy numbers (IFNs) have been proposed and applied in the multiple attribute (group) decision making in the literature. In this paper, the neutral geometric operations are provided by an interaction coefficient, and some properties of them are investigated. Based on these, the intuitionistic fuzzy weighted neutral geometric (IFWNG) operator and the intuitionistic fuzzy ordered weighted neutral geometric (IFOWNG) operators are developed. Moreover, the approach to multiple attribute group decision making based on the proposed IFWNG operator are given. Finally, an example is given to show the feasibility and validity of the new approaches.
Mei-Li Lu,Jing Wang,Yang Sun,Cong Li,Tai-Ran Sun,Xu-Wei Hou,Hong-Xin Wang 고려인삼학회 2021 Journal of Ginseng Research Vol.45 No.6
Background: Ginsenoside Rg1 (Rg1) has been well documented to be effective against various cardiovasculardisease. The aim of this study is to evaluate the effect of Rg1 on mechanical stress-inducedcardiac injury and its possible mechanism with a focus on the calcium sensing receptor (CaSR)signaling pathway. Methods: Mechanical stress was implemented on rats through abdominal aortic constriction (AAC)procedure and on cardiomyocytes and cardiac fibroblasts by mechanical stretching with Bioflex CollagenI plates. The effects of Rg1 on cell hypertrophy, fibrosis, cardiac function, [Ca2þ]i, and the expression ofCaSR and calcineurin (CaN) were assayed both on rat and cellular level. Results: Rg1 alleviated cardiac hypertrophy and fibrosis, and improved cardiac decompensation inducedby AAC in rat myocardial tissue and cultured cardiomyocytes and cardiac fibroblasts. Importantly, Rg1treatment inhibited CaSR expression and increase of [Ca2þ]i, which similar to the CaSR inhibitor NPS2143. In addition, Rg1 treatment inhibited CaN and TGF-b1 pathways activation. Mechanistic analysis showedthat the CaSR agonist GdCl3 could not further increase the [Ca2þ]i and CaN pathway related proteinexpression induced by mechanical stretching in cultured cardiomyocytes. CsA, an inhibitor of CaN,inhibited cardiac hypertrophy, cardiac fibrosis, [Ca2þ]i and CaN signaling but had no effect on CaSRexpression. Conclusion: The activation of CaN pathway and the increase of [Ca2þ]i mediated by CaSR are involved incardiac hypertrophy and fibrosis, that may be the target of cardioprotection of Rg1 against myocardialinjury.
Xin, Yong,Wang, Jia-Yang,Li, Liang,Tang, Tian-You,Liu, Gui-Hong,Wang, Jian-She,Xu, Yu-Mei,Chen, Yong,Zhang, Long-Zhen Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.3
Objective: To make sure the feasibility with $^{18F}FDG$ PET/CT to guided dynamic intensity-modulated radiation therapy (IMRT) for nasopharyngeal carcinoma patients, by dosimetric verification before treatment. Methods: Chose 11 patients in III~IVA nasopharyngeal carcinoma treated with functional image-guided IMRT and absolute and relative dosimetric verification by Varian 23EX LA, ionization chamber, 2DICA of I'mRT Matrixx and IBA detachable phantom. Drawing outline and making treatment plan were by different imaging techniques (CT and $^{18F}FDG$ PET/CT). The dose distributions of the various regional were realized by SMART. Results: The absolute mean errors of interest area were $2.39%{\pm}0.66$ using 0.6cc ice chamber. Results using DTA method, the average relative dose measurements within our protocol (3%, 3 mm) were 87.64% at 300 MU/min in all filed. Conclusions: Dosimetric verification before IMRT is obligatory and necessary. Ionization chamber and 2DICA of I'mRT Matrixx was the effective dosimetric verification tool for primary focal hyper metabolism in functional image-guided dynamic IMRT for nasopharyngeal carcinoma. Our preliminary evidence indicates that functional image-guided dynamic IMRT is feasible.
The MDM2 SNP309T>G Polymorphism Increases Bladder Cancer Risk among Caucasians: a Meta-analysis
Wang, Huai-Gao,Wu, Qing-Yun,Zhou, Hui,Peng, Xin-Sheng,Shi, Meng-Jie,Li, Jie-Mei,Zhou, Yan-Fang Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.13
Published studies have evaluated associations between the MDM2 SNP309T>G polymorphism and bladder cancer susceptibility. However, these generated inconsistent results. The aim of the present investigation was to quantify the strength of association between MDM2 SNP309T>G polymorphism and bladder cancer risk by conducting a meta-analysis. We searched PubMed and Embase for related studies that had been published in English before April 1, 2014 and associations were assessed by summarizing the odds ratios (ORs) with the corresponding 95% confidence intervals (CIs). Five case-control studies with a total of 972 cases and 1,012 controls were finally identified to be eligible for the meta-analysis. Overall, the results indicated that there was no significant association between the MDM2 SNP309T>G polymorphism and bladder cancer risk (for the allele model G vs. T: OR=1.08, 95% CI 0.85-1.36, p=0.54; for the co-dominant model GG vs. TT: OR=1.20, 95% CI 0.74-1.93, p=0.46; for the dominant model GG+GT vs. TT: OR=0.98, 95% CI 0.80-1.20, p=0.83; for the recessive model GG vs. GT+TT: OR=1.20, 95% CI 0.83-1.74, p=0.33). However, on subgroup analysis by ethnicity, significant associations were found in Caucasians in three models (for the allele model G vs. T: OR=1.41, 95% CI 1.10-1.81, p=0.006; for the co-dominant model GG vs. TT: OR=2.16, 95% CI 1.28-3.63, p=0.004; for the recessive model GG vs. GT+TT: OR=2.06, 95% CI 1.31-3.22, p=0.002). In summary, the present meta-analysis provides evidence that the genotype for the MDM2 SNP309T>G polymorphism may be associated with genetic susceptibility to bladder cancer among Caucasians.
Anti-Reactive Jamming Technology Based on Jamming Utilization
Xin Liu,Mingcong Zeng,Yarong Liu,Mei Wang,Xiyu Song 한국인터넷정보학회 2023 KSII Transactions on Internet and Information Syst Vol.17 No.10
Since the existing anti-jamming methods, including intelligent methods, have difficulty against high-speed reactive jamming, we studied a new methodology for jamming utilization instead of avoiding jamming. Different from the existing jamming utilization techniques that harvest energy from the jamming signal as a power supply, our proposed method can take the jamming signal as a favorable factor for frequency detection. Specifically, we design an intelligent differential frequency hopping communication framework (IDFH), which contains two stages of training and communication. We first adopt supervised learning to get the jamming rule during the training stage when the synchronizing sequence is sent. And then, we utilize the jamming rule to improve the frequency detection during the communication stage when the real payload is sent. Simulation results show that the proposed method successfully combated high-speed reactive jamming with different parameters. And the communication performance increases as the power of the jamming signal increase, hence the jamming signal can help users communicate in a low signal-to-noise ratio (SNR) environment.
Taxonomic Study of the Lichen Genus $Lobaria$ in South Korea
Ren, Mei-Rong,Wang, Xin Yu,Koh, Young-Jin,Hur, Jae-Seoun The Korean Society of Mycology 2012 Mycobiology Vol.40 No.1
$Lobaria$ (Schreb.) Hoffm is a common foliose lichen genus found on the Korean Peninsula, yet until now, no revision study has been done on this genus. After careful examination of specimens deposited in the Korean Lichen Research Institute (KoLRI), nine distinct species of $Lobaria$ were confirmed. Morphological characteristics such as the presence or absence of isidia, or whether or not the surface was ridged or smooth, and chemical characteristics such as the result of the medulla reaction were of significant importance in the differentiation of species. Here, we provided detailed descriptions together with a key to all the known Korean species.
Study of revenue sharing cntract based on competition
DU Mei,HU Yun-quan,WANG He-xin 인하대학교 정석물류통상연구원 2009 인하대학교 정석물류통상연구원 학술대회 Vol.2009 No.10
Revenue sharing contract is an important way of supply chain coordination. In paper, through to analysis revenue sharing contract, we point out the problem of supply chain coordination, in which is composition of a supplier and a retailer or a supplier and two retailers. We prove the income sharing proportion under the condition of existence competition and not. We analyse the income of supply chain at the state of existence contract and no contract. In view of these two kinds of conditions, at the end of this article we compare the gross earnings and efficiency of supplu chain.