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Effect of domperidone therapy on nocturnal dyspeptic symptoms of functional dyspepsia patients

World Journal of Gastroenterology 2010年第5期16卷 613-617页

作者： chen, sheng-liang Ji, Jie-Ru Xu, Ping Cao, Zhi-Jun Mo, Jian-Zhong Fang, Jing-Yuan Xiao, Shu-Dong Shanghai Jiao Tong Univ Sch Med Renji Hosp Dept GastroenterolShanghai Inst Digest Dis Shanghai 200001 Peoples R China

AIM:To investigate the incidence of nocturnal dyspeptic symptoms in patients with functional dyspepsia(FD) and whether prokinetic drugs can alleviate them. METHODS:Eighty-five consecutive Chinese patients with FD were included in this *** week after single-blinded placebo run-in treatment,baseline nocturnal intragastric pH,bile reflux and nocturnal dyspeptic symptoms of eligible patients,including epigastric pain or discomfort,abdominal distention and belching, were investigated with *** exhibiting nocturnal dyspeptic symptoms were randomly and double-blindly assigned to domperidone group or placebo *** intragastric pH and percentage of duodenogastric bile reflux time were determined after treatment. RESULTS:Of the 85 FD patients,2 females withoutnocturnal symptoms,who responded to placebo run-in treatment,were excluded from the study,30(36.1%) exhibited nocturnal dyspeptic symptoms with increased duodenogastric bile reflux time(intragastric bilirubin absorbance>0.14)and mean gastric pH(confirming the existence of bile reflux)(P=0.021,0.023) at night were included in the *** these 30 patients,21(70%)had overt nocturnal duodenogastric bile reflux,which was significantly higher than that of those without nocturnal symptoms(P=0.026).The 30 patients were allocated to domperidone group or placebo group(n=15).The nocturnal duodenogastric bile reflux and gastric pH were significantly decreased after domperidone treatment(P=0.015,0.021).The severity score of nocturnal dyspeptic symptoms was also significantly decreased after domperidone treatment (P=0.010,0.015,0.026),which was positively correlated with the reduced nocturnal bile reflux or gastric pH(r=0.736,0.784,0.753 or r=0.679,0.715,0.697, P=0.039,0.036,0.037 or P=0.043,0.039,0.040). CONCLUSION:A subgroup of Chinese FD patients show overt nocturnal dyspeptic symptoms,which may be correlated with the excessive nocturnal duodenogastric bile *** therapy can allevia

关键词： Functional dyspepsia Nocturnal dyspeptic symptoms Duodenogastric bile reflux Intragastric pH Domperidone

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Vector meson's spin alignments in high energy reactions

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 5-20页

作者： Jin-Hui chen Zuo-Tang liang Yu-Gang Ma Xin-Li sheng Qun Wang Key Laboratory of Nuclear Physics and Ion-beam Application (MoE) Institute of Modern PhysicsFudan University Institute of Frontier and Interdisciplinary Science Key Laboratory of Particle Physics and Particle Irradiation (MOE)Shandong University INFN-Firenze Department of Modern Physics University of Science and Technology of China School of Mechanics and Physics Anhui University of Science and Technology

The global spin alignment of vector mesons has been observed by the STAR collaboration at the Relativistic Heavy Ion Collider （RHIC） at Brookhaven National Laboratory （BNL）.It provides a unique opportunity to probe the correlation between the polarized quark and antiquark in the strongly coupled quark-gluon plasma （sQGP） produced in relativistic heavy ion collisions,opening a new window to explore the properties of s *** addition,spin alignments of vector mesons have also been observed in other high-energy particle collisions such as e+e-annihilations at high energies where hadron production is dominated by quark fragmentation *** results obtained are quite different from those obtained in heavy ion collisions where quark coalescence/combination mechanism dominates suggesting strong dependence on hadronization *** comprehensive studies in different hadronization processes are *** this article,we present a brief review of theoretical and experimental advances in the study of vector meson’s spin alignments in a variety of high-energy particle collisions,with emphasis on hadronization mechanisms.

关键词： vector meson spin alignment global polarization relativistic heavy ion collisions fragmentation

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MXene Hybridized Polymer with Enhanced Electromagnetic Energy Harvest for Sensitized Microwave Actuation and Self‑Powered Motion Sensing

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Nano-Micro Letters 2025年第3期17卷 265-279页

作者： Yu‑Ze Wang Yu‑Chang Wang Ting‑Ting Liu Quan‑liang Zhao chen‑Sha Li Mao‑sheng Cao School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081People’s Republic of China School of Materials Science and Engineering Peking UniversityBeijing 100871People’s Republic of China School of Mechanical and Material Engineering North China University of TechnologyBeijing 100144People’s Republic of China Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People’s Republic of ChinaHeilongjiang UniversityHarbin 150080People’s Republic of China

Polymeric microwave actuators combining tissue-like softness with programmablemicrowave-responsive deformation hold great promise for mobile intelligentdevices and bionic soft robots. However, their application is challenged by restricted electromagneticsensitivity and intricate sensing coupling. In this study, a sensitized polymericmicrowave actuator is fabricated by hybridizing a liquid crystal polymer with Ti3C2Tx(MXene). Compared to the initial counterpart, the hybrid polymer exhibits unique spacechargepolarization and interfacial polarization, resulting in significant improvements of230% in the dielectric loss factor and 830% in the apparent efficiency of electromagneticenergy harvest. The sensitized microwave actuation demonstrates as the shortenedresponse time of nearly 10 s, which is merely 13% of that for the initial shape memory polymer. Moreover, the ultra-low content of MXene (upto 0.15 wt%) benefits for maintaining the actuation potential of the hybrid polymer. An innovative self-powered sensing prototype that combinesdriving and piezoelectric polymers is developed, which generates real-time electric potential feedback (open-circuit potential of ~ 3 mV) duringactuation. The polarization-dominant energy conversion mechanism observed in the MXene-polymer hybrid structure furnishes a new approachfor developing efficient electromagnetic dissipative structures and shows potential for advancing polymeric electromagnetic intelligent devices.

关键词： Microwave absorption Electromagnetic response Energy harvest Self-sensing Soft actuator

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雌激素在肠易激综合征内脏高敏感性机制中作用的研究进展

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生理科学进展 2010年第5期41卷 362-364页

作者：董晓陈胜良上海交通大学医学院附属仁济医院消化内科上海市消化疾病研究所上海200001

肠易激综合征(irritable bowel syndrome,IBS)是一种以慢性腹部疼痛和排便习惯改变为特征的功能性胃肠病,女性多发,发病率随年龄增加逐渐降低,绝经期雌激素替代治疗又加重了肠易激综合征的发病率,提示这种性别差异与雌激素水平有关。目... 详细信息

肠易激综合征(irritable bowel syndrome,IBS)是一种以慢性腹部疼痛和排便习惯改变为特征的功能性胃肠病,女性多发,发病率随年龄增加逐渐降低,绝经期雌激素替代治疗又加重了肠易激综合征的发病率,提示这种性别差异与雌激素水平有关。目前内脏高敏感性机制被认为是IBS的特征性病理生理学基础,雌激素影响内脏高敏感性的机制还不清楚。研究表明,雌激素可以通过脊髓-中枢途径和自主神经途径影响内脏感觉,雌激素影响迷走神经功能可能是内脏高敏感性的机制之一。本文综述近年来有关雌激素与内脏高敏感性之关系的研究。

关键词：肠易激综合征内脏高敏感性雌激素

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Magneto‑Dielectric Synergy and Multiscale Hierarchical Structure Design Enable Flexible Multipurpose Microwave Absorption and Infrared Stealth Compatibility

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Nano-Micro Letters 2025年第2期17卷 401-416页

作者： chen Li Leilei liang Baoshan Zhang Yi Yang Guangbin Ji School of Electronic Science and Engineering Nanjing UniversityNanjing 210093People’s Republic of China College of Materials Science and Technology Nanjing University of Aeronautics and AstronauticsNanjing 210016People’s Republic of China

Developing advanced stealth devices to cope with radar-infrared(IR)fusion detection and diverse application scenarios is increasingly demanded,which faces significant challenges due to conflicting microwave and IR cloaking mechanisms and functional integration ***,we propose a multiscale hierarchical structure design,integrating wrinkled MXene IR shielding layer and flexible Fe_(3)O_(4)@C/PDMS microwave absorption *** top wrinkled MXene layer induces the intensive diffuse reflection effect,shielding IR radiation signals while allowing microwave to pass ***,the permeable microwaves are assimilated into the bottom Fe_(3)O_(4)@C/PDMS layer via strong magneto-electric *** theoretical and experimental optimization,the assembled stealth devices realize a near-perfect stealth capability in both X-band(8–12 GHz)and long-wave infrared(8–14μm)wavelength ***,it delivers a radar cross-section reduction of−20 dB m^(2),a large apparent temperature modulation range(ΔT=70℃),and a low average IR emissivity of ***,the optimal device demonstrates exceptional curved surface conformability,self-cleaning capability(contact angle≈129°),and abrasion resistance(recovery time≈5 s).This design strategy promotes the development of multispectral stealth technology and reinforces its applicability and durability in complex and hostile environments.

关键词： Microwave absorption Radar-infrared compatible stealth Wrinkled MXene Magneto-dielectric synergy Multifunction

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脊髓背根神经节内BK_(Ca)参与感染后肠易激综合征内脏高敏感形成机制的研究进展

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上海交通大学学报（医学版） 2015年第12期35卷 1892-1895页

作者：颜秀娟陈胜良上海交通大学医学院附属仁济医院南院消化内科上海201112 上海交通大学医学院附属仁济医院消化内科上海200127

持续存在的消化道黏膜低度炎症是感染后肠易激综合征(PI-IBS)发病的主要病理生理学基础,而内脏高敏感是PI-IBS症状产生的核心机制。脊髓传入神经通路神经元兴奋性增高所致感觉易化是内脏伤害性感受异常的最关键动因,但其机制未明。综合... 详细信息

持续存在的消化道黏膜低度炎症是感染后肠易激综合征(PI-IBS)发病的主要病理生理学基础,而内脏高敏感是PI-IBS症状产生的核心机制。脊髓传入神经通路神经元兴奋性增高所致感觉易化是内脏伤害性感受异常的最关键动因,但其机制未明。综合新近研究提示,慢性炎症状态下,脊髓传入神经背根神经节(DRG)神经元细胞膜处的大电导Ca^(2+)激活K^(+)通道(BK_(Ca))可通过改变神经元兴奋性而参与胃肠内脏感觉的调控,在PI-IBS内脏高敏感反应机制中发挥重要作用。

关键词：肠易激综合征内脏高敏感肠黏膜炎症脊髓背根神经节

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A Randomized, Double-Blind, Multicenter, Placebo-Controlled Trial of Qi-Zhi-Wei-Tong Granules on Postprandial Distress Syndrome-Predominant Functional Dyspepsia

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Chinese Medical Journal 2018年第13期131卷 1549-1556页

作者： Qing Su sheng-liang chen Hua-Hong Wang Lie-Xin liang Ning Dai Bin Lyu Jun Zhang Rong-Quan Wang Ya-Li Zhang Yue Yu Jin-Song Liu Xiao-Hua Hou Department of Gastroenterology Wuhan Union Hospital of Huazhong University of Science and Technology Wuhan Hubei 430000 China Department of Gastroenterology Renji Hospital of Shanghai Jiaotong University School of Medicine Shanghai 200127 China Department of Gastroenterology Peking University First Hospital Beijing 100034 China Department of Gastroenterology People's Hospital of Guangxi Zhuang Autonomous Region Nanning Guangxi 530021 China Department of Gastroenterology Sir Run Run Shaw Hospital Zheliang University School of Medicine Hangzhou Zhejiang 310016 China Department of Gastroenterology The First Affiliated Hospital of Zhejiang Chinese Medical University Hangzhou Zhejiang 310006 China Department of Gastroenterology The Second Affiliated Hospital of Xi'an Jiaotong University Xi'an Shaanxi 710004 China Department of Gastroenterology The Southwest Hospital of Third Military Medical University Chongqing 400038 China Department of Gastroenterology The Nanfang Hospital of Southern Medical University Guangzhou Guangdong 510515 China Department of Gastroenterology Anhui Provincial Hospital Hefei Anhui 230001 China

Background： Functional dyspepsia （FD） is a common tipper gastrointestinal disorder worldwide, but the current treatments for FD are still unsatisfactory. The aims of this study were to investigate the efficacy and safety of Qi-Zhi-Wei-Tong granules in patients with postprandial distress syndrome （PDS）-predominant FD. Methods： The study was conducted as a randomized, double-blinded, multicenter, placebo-controlled design in 197 patients with PDS. All participants received placebo treatment for 1 week. Patients whose total symptom score decreased by 〈50% after the placebo treatment were recruited into the 4-week treatment period, in which they were randomly assigned to be treated with either Qi-Zhi-Wei-Tong granules or placebo. The patients were then followed for 2 weeks without any treatment. Dyspeptic symptoms were scored at weeks 2 and 4 during the random treatment period and 2 weeks after the treatment. Anxiety and depression symptoms were also scored and compared. Results：（1） The total effective rates in the Qi-Zhi-Wei-Tong granules group at weeks 2 and 4 during the random treatment period and 2 weeks after treatment were all significantly higher than those in the placebo group （38.82% vs. 8.75%, P 〈 0.001; 69.14% vs. 16.25%, P 〈 0.001＇ 77.65% vs. 21.25%, P 〈 0.001 ）. （2） The total dyspeptic symptoms scores in the Qi-Zhi-Wei-Tong granules group at weeks 2 and 4 and 2 weeks after treatment were significantly lower than those in the placebo group. （3） The severity and frequency of each dyspeptic symptom at weeks 2 and 4 and the follow-up period were all significantly lower than those in the placebo group. （4） The anxiety scores in the Qi-Zhi-Wei-Tong granules group were significantly lower than those in the placebo group. （5） Qi-Zhi-Wei-Tong granules did not have more adverse eflbcts than the placebo. Conclusion： Qi-Zhi-Wei-Tong granules offer significant symptomatic improvement in PDS with no more adverse effects than placebo. Trial Registration： https：//clinical

关键词： Clinical Trial Functional Dyspepsia Postprandial Distress Syndrome Qi-Zhi-Wei-Tong Granules

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Potassium and calcium channels in different nerve cells act as therapeutic targets in neurological disorders

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Neural Regeneration Research 2025年第5期20卷 1258-1276页

作者： Qing Qiu Mengting Yang Danfeng Gong Haiying liang Tingting chen Department of Pharmacology School of PharmacyNantong UniversityNantongJiangsu ProvinceChina Jiangsu Province Key Laboratory of Inflammation and Molecular Drug Target NantongJiangsu ProvinceChina Department of Pharmacy Longyan First Affiliated Hospital of Fujian Medical UniversityLongyanFujian ProvinceChina

The central nervous system, information integration center of the body, is mainly composed of neurons and glial cells. The neuron is one of the most basic and important structural and functional units of the central nervous system, with sensory stimulation and excitation conduction functions. Astrocytes and microglia belong to the glial cell family, which is the main source of cytokines and represents the main defense system of the central nervous system. Nerve cells undergo neurotransmission or gliotransmission, which regulates neuronal activity via the ion channels, receptors, or transporters expressed on nerve cell membranes. Ion channels, composed of large transmembrane proteins, play crucial roles in maintaining nerve cell homeostasis. These channels are also important for control of the membrane potential and in the secretion of neurotransmitters. A variety of cellular functions and life activities, including functional regulation of the central nervous system, the generation and conduction of nerve excitation, the occurrence of receptor potential, heart pulsation, smooth muscle peristalsis, skeletal muscle contraction, and hormone secretion, are closely related to ion channels associated with passive transmembrane transport. Two types of ion channels in the central nervous system, potassium channels and calcium channels, are closely related to various neurological disorders, including Alzheimer's disease, Parkinson's disease, and epilepsy. Accordingly, various drugs that can affect these ion channels have been explored deeply to provide new directions for the treatment of these neurological disorders. In this review, we focus on the functions of potassium and calcium ion channels in different nerve cells and their involvement in neurological disorders such as Parkinson's disease, Alzheimer's disease, depression, epilepsy, autism, and rare disorders. We also describe several clinical drugs that target potassium or calcium channels in nerve cells and could be u

关键词： astrocytes calcium channels central nervous system extracellular ion concentration microglia neurological disorders neurons potassium channels

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难治性功能性胃肠病中枢神经药物的治疗

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中国实用内科杂志 2020年第2期40卷 100-104页

作者：王博陈胜良上海交通大学医学院附属仁济医院上海市消化疾病研究所

尝试应用神经递质药物(主要是抗抑郁药物)是取得难治性功能性胃肠病(refractory functional gastrointestinal disease,rFGIDs)疗效提升的理论和实践突破口之一。FGIDs治疗实践中应用神经递质药物针对的靶标包括:(1)作为病因的精神心理... 详细信息

尝试应用神经递质药物(主要是抗抑郁药物)是取得难治性功能性胃肠病(refractory functional gastrointestinal disease,rFGIDs)疗效提升的理论和实践突破口之一。FGIDs治疗实践中应用神经递质药物针对的靶标包括:(1)作为病因的精神心理因素;(2)FGIDs合并的精神心理问题临床表现;(3)中枢和外周神经对胃肠道功能(运动、分泌和感觉等)的调控紊乱机制的靶点。文章主要是以"肠脑互动"思维,从神经胃肠病学基础机制,探讨应用神经递质类药物(主要是抗抑郁药)处置精神心理因素相关难治性FGIDs时,选择种类、剂量、疗程、依从性、疗效,以及安全性等诸多方面具有消化专科特点的实用策略。

关键词：功能性胃肠病肠脑互动消化心身疾病胃肠动力内脏高敏感

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Transforming growth factor-beta 1 enhances discharge activity of cortical neurons

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Neural Regeneration Research 2025年第2期20卷 548-556页

作者： Zhihui Ren Tian Li Xueer Liu Zelin Zhang Xiaoxuan chen Weiqiang chen Kangsheng Li Jiangtao sheng Department of Microbiology and Immunology Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular ImmunopathologyShantou University Medical CollegeShantouGuangdong ProvinceChina Department of Neurosurgery First Affiliated Hospital of Shantou University Medical CollegeShantouGuangdong ProvinceChina

Transforming growth factor-beta 1(TGF-β1)has been extensively studied for its pleiotropic effects on central nervous system *** neuroprotective or neurotoxic effects of TGF-β1 in specific brain areas may depend on the pathological process and cell types ***-gated sodium channels(VGSCs)are essential ion channels for the generation of action potentials in neurons,and are involved in various neuroexcitation-related ***,the effects of TGF-β1 on the functional properties of VGSCs and firing properties in cortical neurons remain *** this study,we investigated the effects of TGF-β1 on VGSC function and firing properties in primary cortical neurons from *** found that TGF-β1 increased VGSC current density in a dose-and time-dependent manner,which was attributable to the upregulation of Nav1.3 *** VGSC current density and Nav1.3 expression were significantly abolished by preincubation with inhibitors of mitogen-activated protein kinase kinase(PD98059),p38 mitogen-activated protein kinase(SB203580),and Jun NH2-terminal kinase 1/2 inhibitor(SP600125).Interestingly,TGF-β1 significantly increased the firing threshold of action potentials but did not change their firing rate in cortical *** findings suggest that TGF-β1 can increase Nav1.3 expression through activation of the ERK1/2-JNK-MAPK pathway,which leads to a decrease in the firing threshold of action potentials in cortical neurons under pathological ***,this contributes to the occurrence and progression of neuroexcitatory-related diseases of the central nervous system.

关键词： central nervous system cortical neurons ERK firing properties JNK Nav1.3 p38 transforming growth factor-beta 1 traumatic brain injury voltage-gated sodium currents

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