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- 저자 : Ziqi Lin (검색결과 3 건)
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Yiwei Lin,Haimei Li,Jing Zhang,Ziqi Yang,Yi Zhou,Lu Liu,Qiujin Qian 대한신경정신의학회 2023 PSYCHIATRY INVESTIGATION Vol.20 No.8
Objective Attention deficit hyperactivity disorder (ADHD) is a polygenic neurodevelopmental disorder with significant gender differences. The sexual dimorphism of ADHD may be associated with estrogen acting through estrogen receptors (ESR). This study investigates the impact of <i>ESR</i> gene polymorphism and its interactions with neurodevelopmental genes on ADHD susceptibility.Methods The study compared genotyping data of single nucleotide polymorphisms in <i>ESR1</i> and <i>ESR2</i> in 1,035 ADHD cases and 962 controls. The gene-gene interactions between <i>ESR</i> genes and three neurodevelopmental genes (brain-derived neurotrophic factor [<i>BDNF</i>], synaptosomal-associated protein of 25 kDa gene [<i>SNAP25</i>], and cadherin-13 [<i>CDH13<i></i></i>]) in ADHD were investigated using generalized multifactor dimensionality reduction and verified by logistic regression analysis.Results The G allele of rs960070/<i>ESR2</i> (empirical p=0.0076) and the A allele of rs8017441/<i>ESR2</i> (empirical p=0.0426) were found significantly higher in ADHD cases than in the controls but not in male or female subgroups. Though no difference was found in all subjects or females, the A allele of rs9340817/<i>ESR1</i> (empirical p=0.0344) was found significantly higher in ADHD cases than controls in males. We also found genetic interaction models between <i>ESR2</i> gene, neurodevelopmental genes and ADHD susceptibility in males (<i>ESR2</i> rs960070/<i>BDNF</i> rs6265/<i>BDNF</i> rs2049046/<i>SNAP25</i> rs362987/<i>CDH13</i> rs6565113) and females (<i>ESR2<i></i></i> rs960070/<i>BDNF<i></i></i> rs6265/<i>BDNF</i> rs2049046) separately, though it was negative in overall subjects.Conclusion The <i>ESR</i> gene polymorphism associates with ADHD among Chinese Han children, with interactions between <i>ESR<i></i></i> genes and neurodevelopmental genes potentially influencing the susceptibility of ADHD.
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Xu Zhang,Ziqi Lin,Beichen Ding,Bo Gu,Yu Han 한국통신학회 2020 한국통신학회 APNOMS Vol.2020 No.09
Device-to-device communications underlaying cellular networks have been recognized as one of the key technologies for the fifth generation (5G) cellular system to improve the spectrum efficiency and system capacity. In this paper, we investigate the potential of deep reinforcement learning (DRL) for joint subcarrier assignment and power allocation in a general form of D2D networks, where a subcarrier can be assigned to multiple D2D pairs and each D2D pair is permitted to utilize multiple subcarriers. We first formulate the above problem as a Markov decision process, and then propose a double deep Q-network (DQN)-based subcarrier-power allocation algorithm to learn the optimal policy in the absence of full instantaneous channel state information (CSI). Specifically, each D2D pair acts as a learning agent that adjusts its own subcarrier-power allocation strategy iteratively through interactions with the operating environment in a trial-and-error fashion. Simulation results confirm that the proposed algorithm achieves near optimal performance in real time. It is worth mentioning that the proposed algorithm is especially suitable for the case where the environmental dynamics is not accurate and the CSI delay cannot be ignored.
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Fang Nie,Changyin Feng,Naveed Ahmad,Mengfei Tian,Qinglong Liu,Weihao Wang,Ziqi Lin,Chunying Li,Chunjian Zhao 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.118 No.-
Echinacoside and acteoside, the representative constituents of Cistanche deserticola Y. C. Ma (C. deserticola),are known for its many important biological activities. In this study, a novel ternary natural deepeutectic solvent (NADES) (citric acid, fructose and glucose in a 1:2:1 molar ratio, 30 % water content)was obtained through the adjustment and optimization of single-factor experiments. And through theBox-Behnken design optimization, the optimal extraction conditions were obtained, at the moment,the yields of echinacoside and acteoside were 6.16 and 2.13 mg/g, respectively. In addition, through computermolecular simulation, it was found that there are strong hydrogen bonds and interactions betweenthe molecules of NADES, and the hydrogen bonds, van der Waals forces and p-p interactions played animportant role in the extraction of echinacoside and acteoside from C. deserticola by NADES. Finally, comparedwith the traditional method, NADES ultrasound-assisted extraction of echinacoside and acteosidehas a shorter time (15 min), the maximum extraction yield is 1.54–2.86 times and 1.26–2.52 times thanthat of traditional extraction methods for echinacoside and acteoside, respectively. This study demonstratesthat NADES can provides a new direction for developing new sustainable alternatives, improvinggreen extraction process and efficiency for extracting natural active substances.
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