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XOR spin logic operated by unipolar current based on field-free spin-orbit torque switching induced by a lateral interface

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Rare Metals 2024年第8期43卷 3868-3875页

作者： Yan-ru Li Mei-yin Yang Guo-Qiang Yu Bao-Shan Cui Jin-Biao Liu Yong-Liang Li Qi-Ming Shao Jun Luo Key Laboratory of Microelectronic Devices and Integrated Technology Institute of MicroelectronicsChinese Academy of Sciences(IMECAS)Beijing 100029China University of Chinese Academy of Sciences(UCAS) Beijing 100049China Songshan Lake Materials Laboratory Dongguan 523808China Institute of Physics Chinese Academy of SciencesBeijing 100190China Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education Lanzhou UniversityLanzhou 730000China Department of Electronic and Computer Engineering The Hong Kong University of Science and TechnologyHong Kong 999077China

Spin logics have emerged as a promising avenue for the development of logic-in-memory *** particular,the realization of XOR spin logic gates using a single spin-orbit torque device shows great potential for low-power stateful logic circuits in the next *** this study,we successfully obtained the XOR logic gate by utilizing a spin-orbit torque device with a lateral interface,which was created by local ion implantation in the Ta/Pt/Co/Ta Hall device exhibiting perpendicular magnetic *** angle of the lateral interface is set at 45°relative to the current direction,leading to the competition between symmetry breaking and current-driven Néel-type domain wall ***,the field-free magnetic switching reversed is realized by the same sign of current amplitude at this *** on this field-free magnetic switching behavior,we successfully proposed an XOR logic gate that could be implemented using only a single spin-orbit torque Hall *** study provides a potentially viable approach toward efficient spin logics and in-memory computing architectures.

关键词： Filed-free magnetic switching Spin-orbit torque XOR logic gate Lateral interface

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Atorvastatin, etanercept and the nephrogenic cardiac sympathetic remodeling in chronic renal failure rats

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Journal of Geriatric Cardiology 2024年第4期21卷 443-457页

作者： Jing-Yue XU Zheng-Kai XUE Ya-ru ZHANG Xing LIU Xue ZHANG Xi YANG Tong LIU Kang-yin CheN Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease Department of CardiologyTianjin Institute of Cardiologythe Second Hospital of Tianjin Medical UniversityTianjinChina

BACKGROUND Chronic renal failure(CRF) patients are predisposed to arrhythmias, while the detailed mechanisms are unclear. We hypothesized the chronic inflammatory state of CRF patients may lead to cardiac sympathetic remodeling, increasing the incidence of ventricular arrhythmia(VA) and sudden cardiac death. And explored the role of atorvastatin and etanercept in this *** A total of 48 rats were randomly divided into sham operation group(Sham group), CRF group, CRF + atorvastatin group(CRF + statin group), and CRF + etanercept group(CRF + rhTNFR-Fcgroup). Sympathetic nerve remodeling was assessed by immunofluorescence of growth-associated protein 43(GAP-43) and tyrosine hydroxylase positive area fraction. Electrophysiological testing was performed to assess the incidence of VA by assessing the ventricular effective refractory period and ventricular fibrillation threshold. The levels of tumor necrosis factor-alpha(TNF-α) and interleukin-1beta were determined by Western blotting and enzyme-linked immunosorbent *** Echocardiogram showed that compared with the Sham group, left ventricular end-systolic diameter and ventricular weight/body weight ratio were significantly higher in the CRF group. hematoxylin-eosin and Masson staining indicated that myocardial fibers were broken, disordered, and fibrotic in the CRF group. Western blotting, enzyme-linked immunosorbent assay,immunofluorescence and electrophysiological examination suggested that compared with the Sham group, GAP-43 and TNF-α proteins were significantly upregulated, GAP-43 and tyrosine hydroxylase positive nerve fiber area was increased, and ventricular fibrillation threshold was significantly decreased in the CRF group. The above effects were inhibited in the CRF + statin group and the CRF + *** In CRF rats, TNF-α was upregulated, cardiac sympathetic remodeling was more severe, and the nephrogenic cardiac sympathetic remodeling existed. Atorvastatin and etanercept c

关键词： remodeling cardiac inhibited

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Sintilimab(anti-PD-1 antibody)plus chidamide(histone deacetylase inhibitor)in relapsed or refractory extranodal natural killer T-cell lymphoma(SCENT):a phase Ⅰb/Ⅱ study

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2765-2773页

作者： Yan Gao Haixia he Xueping Li Liling Zhang Wei Xu ru Feng Wenyu Li yin Xiao Xinxiu Liu Yu Chen Xiaoxiao Wang Bing Bai Huijing Wu Qingqing Cai Zhiming Li Jibin Li Suxia Lin Yanxia he Liqin Ping Cheng Huang Jiaying Mao Xiujin Chen Baitian Zhao Huiqiang Huang State Key Laboratory of Oncology in South China&Collaborative Innovation Center of Cancer Medicine Guangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhouChina Department of Medical Oncology Sun Yat-sen University Cancer CenterGuangzhouChina Department of Radiation Oncology Sun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhouChina Department of hematology Sun Yat-sen University Cancer CenterGuangzhouChina Cancer Center Union Hospital affiliated to Tongji Medical College of Huazhong University of Science and TechnologyWuhanChina Department of hematology The First Affiliated Hospital of Nanjing Medical UniversityJiangsu Province HospitalNanjingChina Department of hematology Nanfang HospitalSouthern Medical UniversityGuangzhouChina Department of Lymphoma Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhouChina Department of pathology Guangdong General HospitalGuangdong Academy of Medical SciencesGuangzhouChina Department of Medical Oncology Hubei Cancer CenterWuhanChina Department of Clinical Research Sun Yat-sen University Cancer CenterGuanzhouChina Department of Pathology Sun Yat-sen University Cancer CenterGuangzhouChina

Anti-PD-1 antibodies are a favorable treatment for relapsed or refractory extranodal natural killer T cell lymphoma(RR-ENKTL),however,the complete response(CR)rate and the duration of response(DOR)need to be *** phase 1b/2 study investigated the safety and efficacy of sintilimab,a fully human anti-PD-1 antibody,plus chidamide,an oral subtype-selective histone deacetylase inhibitor in 38 patients with *** objective response rate(ORR)of combination treatment was 80%.Patients received escalating doses of chidamide,administered concomitantly with fixed-dose sintilimab in 21-days cycles up to 12 *** dose-limiting events were observed,RP2D of chidamide was 30 mg twice a ***-nine patients were enrolled in phase *** the intention-to-treat population(n=37),overall response rate was 59.5% with a complete remission rate of 48.6%.The median DOR,progression-free survival(PFS),and overall survival(OS)were 25.3,23.2,and 32.9 months,*** most common grade 3 or higher treatment-emergent adverse events(AEs)were neutropenia(28.9%)and thrombocytopenia(10.5%),immune-related AEs were reported in 18(47.3%)*** biomarker assessment suggested that a combination of dynamic plasma ctDNA and EBV-DNA played a vital prognostic ***3 mutation shows an unfavorable *** outcome of anticipate ORR was not achieved,sintilimab plus chidamide was shown to have a manageable safety profile and yielded encouraging CR rate and DOR in RR-ENKTL for the first *** is a promising therapeutic option for this population.

关键词： killer lymphoma doses

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Pathogenesis of Cerebral Ischemia Based on brain-heart interaction

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South China Journal of Cardiology 2022年第2期23卷 129-141,152页

作者： YU Chang-jiang Deng Gang Muqaddas Masood OUYANG Qing he yin-ru CheN Ji-mei ZHU Ping Moussa Ide Nasser Guangdong Cardiovascular Institute Guangdong Provincial People's HospitalGuangdong Academy of Medical SciencesGuangzhouZhongshan RoadGuangzhouPR China510080 Guangdong Provincial Key Laboratory of Pathogenesis Targeted Prevention and Treatment of Heart DiseaseAdd:106 Zhongshan Er RoadGuangzhouPR China510080

Over the last few years,neuro-cardiology has grown the awareness of the relationship between the brain and the heart,contributing to developing a modern interdisciplinary field of *** enhance the awareness of the relationship between the brain and the heart,we concentrate on the brain function disability that results from cardiac dysfunction and the brain function impairment that results from cardiac *** is usual for patients with cerebral ischemia to be preceded by cardiac *** main triggers of cerebral ischemia involve arrhythmia,atrial fibrillation,etc.,reflecting a strong connection between the heart and the *** ischemia is linked to how the heart and brain communicate and affect each other at the pathophysiological *** formation of the heart-brain axis mechanism is important in its incidence and *** analysis explores the etiology and pathogenesis of cerebral ischemia centered on the heart-brain axis neuronal pathway and the mechanism of the relationship between the heart and brain,which offers important enrichment to the hypothesis of combined care of brain and heart and is extremely useful for gaining new knowledge for research and production of multi-target drugs for the prevention and treatment of cerebral ischemia.

关键词： Brain heart.neuro-cardiology Cerebral Ischemia

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Berberine alleviates ovarian tissue damage in mice with hepatolenticular degeneration by suppressing ferroptosis and endoplasmic reticulum stress

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Journal of Integrative Medicine 2024年第4期22卷 493-502页

作者： Qian-zhuo Liu Hui Han Xin-ru Fang Lu-yao Wang Dan Zhao Miao-zhu yin Nian Zhang Peng-yu Jiang Zhi-hui Ji Li-min Wu Department of Neurology the First Affiliated Hospital of Anhui University of Chinese MedicineHefei 230031Anhui ProvinceChina Center for Reproduction and Genetics the First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230031Anhui ProvinceChina

Objective:hepatolenticular degeneration (HLD) is an autosomal recessive disorder that manifests as multiorgan damage due to impaired copper (Cu) metabolism. Female patients with HLD often experience reproductive impairments. This study investigated the protective effect of berberine against ovarian damage in toxic-milk (TX) mice, a murine model for ***:Mice were categorized into control group, HLD TX group (HLD group), penicillamine (Cu chelator)-treated TX group and berberine-treated TX group. Body weight, ovary weight and the number of ovulated eggs were recorded. Follicular morphology and cellular ultrastructure were examined. Total iron, ferrous iron (Fe2+) and trivalent iron (Fe3+) levels, as well as malondialdehyde (MDA), glutathione(GSH) and oxidized glutathione (GSSG), were measured in the ovaries. Western blot analysis was used to analyze the expression of proteins related to ferroptosis and endoplasmic reticulum (ER) ***:Ovarian tissue damage was evident in the HLD group, with a significant increase in ferroptosis and ER stress compared to the control group. This damage was inhibited by treatment with penicillamine,a Cu chelator. Compared with the HLD group, berberine increased the number of ovulations, and improved ovarian morphology and ultrastructure. Further, we found that berberine reduced total iron,Fe2+, MDA and GSSG levels, elevated GSH levels, decreased the expression of the ferroptosis marker protein prostaglandin-endoperoxide synthase 2 (PTGS2), and increased glutathione peroxidase 4 (GPX4)expression. Furthermore, berberine inhibited the expression of ER stress-associated proteins mediated by the protein kinase RNA-like ER kinase (PERK) ***:Ferroptosis and ER stress are involved in Cu-induced ovarian damage in TX mice. Berberine ameliorates ovarian damage in HLD TX mice by inhibiting ferroptosis and ER stress.

关键词： Berberine hepatolenticular degeneration Copper deposition Ferroptosis Endoplasmic reticulum stress

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Association analysis of genetic variants in critical patients with COVID-19 and validation in a Chinese population

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Virologica Sinica 2024年第2期39卷 347-350页

作者： Yi yin Yi Zhang Lelin Sun Shuqiang Wang Yong Zeng Bo Gong Lulin Huang Yongquan he Zhenglin Yang Center for Natural Products Research Chengdu Institute of BiologyChinese Academy of SciencesChengdu610213China Sichuan Provincial Key Laboratory for Human Disease Gene Study Center for Medical GeneticsDepartment of Laboratory MedicineSichuan Academy of Medical Sciences&Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu610072China Research Unit for Blindness Prevention of Chinese Academy of Medical Sciences(2019ru026) Sichuan Academy of Medical Sciences&Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu610072China University of Chinese Academy of Sciences Beijing100049China Infectious Disease Department Sichuan Academy of Medical Sciences&Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu610072China Department of Ophthalmology Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu610072China

Dear Editor,Genome-wide association studies(GWASs)have reported a genetic association between certain populations and the severity of *** severe patients,changes in the locus 3p21.31(including SLC6A20,LZTFL1,CCR9,FYCO1,CXCR6,and XCR1)are associated with COVID-19 hospitalization(Ellinghaus et al.,2020).Moreover,variations in 9p34.2 region(including genes related to the ABO blood grouping)can affect both susceptibility and severity of COVID-19;in particular,individuals with blood group A may have an increased risk of COVID-19 infection,while those with blood group O may have a protective effect(Ellinghaus et al.,2020;Shelton et al.,2021).

关键词： patients protective

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Molecular mechanism of hypoxia and alpha-ketoglutaric acid on collagen expression in scleral fibroblasts

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International Journal of Ophthalmology(English edition) 2024年第10期17卷 1780-1790页

作者： Yun Sun Zhuo-Zheng Li Jing Yang Ya-ru Sha Xin-Yu Hou Hong Fu Jia-yin Li Shu-Chang Bai Yong-Fang Xie Guo-Hui Wang School of Life Science and Technology Shandong Second Medical UniversityWeifang 261053Shandong ProvinceChina

AIM:To investigate the molecular mechanisms underlying the influence of hypoxia and alpha-ketoglutaric acid(α-KG)on scleral collagen ***:Meta-analysis and clinical statistics were used to prove the changes in choroidal thickness(ChT)during *** establishment of a hypoxic myopia model(HYP)for rabbit scleral fibroblasts through hypoxic culture and the effects of hypoxia andα-KG on collagen expression were demonstrated by Sirius red *** analysis was used to verify the genes and pathways that hypoxia andα-KG affect collagen ***,real-time quantitative reverse transcription polymerase chain reaction(RT-qPCR)was used for reverse ***:Meta-analysis results aligned with clinical statistics,revealing a thinning of ChT,leading to scleral *** red staining indicated lower collagen expression in the HYP group and higher collagen expression in the HYP+α-KG group,showed that hypoxia reduced collagen expression in scleral fibroblasts,whileα-KG can elevated collagen expression under HYP *** analysis unveiled the related genes and signaling pathways of hypoxia andα-KG affect scleral collagen expression and the results were verified by ***:The potential molecular mechanisms through which hypoxia andα-KG influencing myopia is unraveled and three novel genes TLCD4,TBC1D4,and EPHX3 are *** findings provide a new perspective on the prevention and treatment of myopia via regulating collagen expression.

关键词： sclera scleral collagen expression hypoxia alpha-ketoglutaric acid myopia

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Tongxinluo Activates PI3K/AKT Signaling Pathway to Inhibit Endothelial Mesenchymal Transition and Attenuate Myocardial Fibrosis after Ischemia-Reperfusion in Mice

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Chinese Journal of Integrative Medicine 2024年第7期30卷 608-615页

作者： WEI Ya-ru HOU Yun-long yin Yu-jie LI Zhen LIU Yi HAN Ning-xin WANG Zi-xuan LIU Lu WANG Xiao-qi HAO Yuan-jie MA Kun GU Jiao-jiao JIA Zhen-hua Graduate School Hebei University of Chinese MedicineShijiazhuang050090China Shijiazhuang Yiling Pharmaceutical New Drug Evaluation Center Shijiazhuang050035China hebei Institute of Integrated Traditional and Western Medicine Shijiazhuang050035China National Key Laboratory for Innovation and Transformation of Luobing Theory Shijiazhuang050035China Department of Cardiology Hebei Yiling HospitalShijiazhuang050091China Graduate School Hebei Medical UniversityShijiazhuang050017China

Objective To investigate the potential role of Tongxinluo(TXL)in attenuating myocardial fibrosis after myocardial ischemia-reperfusion injury(MIRI)in *** A MIRI mouse model was established by left anterior descending coronary artery ligation for 45 *** to a random number table,66 mice were randomly divided into 6 groups(n=11 per group):the sham group,the model group,the LY-294002 group,the TXL group,the TXL+LY-294002 group and the benazepril(BNPL)*** day after modeling,TXL and BNPL were administered by *** injection of LY-294002 was performed twice a week for 4 consecutive *** was used to measure cardiac function in *** staining was used to evaluate the degree of myocardial fibrosis in *** and quantitative analysis of endothelial mesenchymal transition(EndMT)after MIRI was performed by immunohistochemistry,immunofluorescence staining and flow cytometry,*** protein expressions of platelet endothelial cell adhesion molecule-1(CD31),α-smoth muscle actin(α-SMA),phosphatidylinositol-3-kinase(PI3K)and phospho protein kinase B(p-AKT)were assessed using Western *** TXL improved cardiac function in MIRI mice,reduced the degree of myocardial fibrosis,increased the expression of CD31 and inhibited the expression ofα-SMA,thus inhibited the occurrence of EndMT(Phe protein expressions of PI3K and p-AKT(Phere was no significant difference between TXL and BNPL group(P>0.05).In addition,the use of the PI3K/AKT pathway-specific inhibitor LY-294002 to block this pathway and combination with TXL intervention,eliminated the protective effect of TXL,further supporting the protective effect of *** TXL activated the PI3K/AKT signaling pathway to inhibit EndMT and attenuated myocardial fibrosis after MIRI in mice.

关键词： myocardial fibrosis endothelial mesenchymal transition myocardial ischemia-reperfusion injury phosphatidylinositol-3-kinase/protein kinase B(PI3K/AKT)pathway

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基于Sentinel-1/2改进极化指数和纹理特征的土壤含盐量反演模型

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农业机械学报 2024年第1期55卷 175-185页

作者：张智韬贺玉洁殷皓原项茹陈俊英杜瑞麒西北农林科技大学水利与建筑工程学院陕西杨凌712100 西北农林科技大学旱区农业水土工程教育部重点实验室陕西杨凌712100

目前Sentinel-1/2协同反演植被土壤含盐量的研究大多是基于Sentinel-2光谱信息和Sentinel-1后向散射系数,没有考虑Sentinel-2光谱信息容易受土壤亮度等信息影响,Sentinel-1后向散射系数容易受土壤粗糙度和水分影响。为进一步提高Sentine... 详细信息

目前Sentinel-1/2协同反演植被土壤含盐量的研究大多是基于Sentinel-2光谱信息和Sentinel-1后向散射系数,没有考虑Sentinel-2光谱信息容易受土壤亮度等信息影响,Sentinel-1后向散射系数容易受土壤粗糙度和水分影响。为进一步提高Sentinel-1/2协同反演植被土壤含盐量的精度,用水云模型对雷达卫星后向散射系数进行校正,消除植被影响;然后协同Sentinel-2纹理特征,基于VIP、OOB、PCA 3种变量筛选和RF、ELM、Cubist 3种机器学习回归模型构建植被土壤含盐量反演模型。研究结果表明:经过水云模型去除植被影响后的雷达后向散射系数及其极化组合指数与土壤含盐量的相关性有一定程度的提高。不同变量选择方法与不同机器学习方法耦合模型在反演土壤含盐量中,OOB变量筛选方法与RF、ELM和Cubist 3种机器学习方法的耦合模型精度最佳,建模集和验证集的R2都在0.750以上,且验证集的RMSE和MAE均最小;其中OOB-Cubist耦合模型精度最高,且R_(v)^(2)/R_(c)^(2)为0.955,具有良好的鲁棒性。研究可为机器学习协同物理模型、光学卫星协同雷达卫星在土壤含盐量反演中的进一步应用提供思路。

关键词：土壤含盐量 Sentinel-1/2 纹理特征水云模型机器学习改进极化指数

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基于Landsat8与Sentinel-1遥感图像融合的土壤含水率反演模型

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农业机械学报 2024年第2期55卷 208-219页

作者：陈俊英项茹贺玉洁吴雨箫殷皓原张智韬西北农林科技大学水利与建筑工程学院陕西杨凌712100 西北农林科技大学旱区农业水土工程教育部重点实验室陕西杨凌712100

针对当前运用单一光学卫星反演土壤含水率时易受到云的影响,单一SAR卫星反演土壤含水率时易受到地表粗糙度和植被影响的问题,以内蒙古河套灌区沙壕渠为研究区域,以4个深度的土壤含水率为研究对象,分别采用主成分分析(PCA)、施密特正交变... 详细信息

针对当前运用单一光学卫星反演土壤含水率时易受到云的影响,单一SAR卫星反演土壤含水率时易受到地表粗糙度和植被影响的问题,以内蒙古河套灌区沙壕渠为研究区域,以4个深度的土壤含水率为研究对象,分别采用主成分分析(PCA)、施密特正交变换(GS)融合Landsat8和Sentinel-1图像以减少云、植被、土壤粗糙度的影响,并对融合后的图像质量进行评价,然后用融合图像的灰度构建1134种遥感指数,基于相关系数分析、变量投影重要性分析、灰色关联分析3种变量筛选方法与BP神经网络(BP)、极限学习机(ELM)、随机森林(RF)、支持向量机(SVM)4种机器学习算法的耦合模型反演沙壕渠土壤含水率。研究结果表明:经PCA、GS融合后的融合图像可同时保持Sentinel-1和Landsat8图像的优势,并成功定量反演土壤含水率。基于融合图像构建的三维指数普遍比二维指数对土壤含水率更敏感。在表层土壤含水率反演中,基于GS融合的VIP-ELM模型精度最高(决定系数R2=0.66,均方根误差(RMSE)为1.35%)。将GS融合的VIP-ELM模型应用于其他土壤深度含水率的反演后发现,20~40 cm反演精度最高(R2=0.79,RMSE为0.94%),其次是0~10 cm、40~60 cm、10~20 cm。该研究可为多源卫星图像融合反演土壤含水率提供参考。

关键词：土壤含水率卫星图像融合机器学习耦合模型

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