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The roles and mechanisms of SREBP1 in cancer development and drug response

Genes & Diseases 2024年第4期11卷 258-269页

作者： ying He Shasha Qi Lu Chen Jinyu zhu Linda Liang Xudong Chen Hao z.ang Lvjia zhuo Shujuan zhao Shuiping Liu Tian Xie School of Pharmacy Hangzhou Normal UniversityHangzhouZhejiang 311121China Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines Engineering Laboratory of Development and Application of Traditional Chinese MedicinesCollaborative Innovation Center of Traditional Chinese Medicines of Zhejiang ProvinceHangzhou Normal UniversityHangzhouZhejiang 311121China Laboratory of Cancer Genomics Division of Cellular and Molecular ResearchNational Cancer Centre SingaporeSingapore 169610Singapore

Cancer occurrence and development are closely related to increased lipid produc-tion and glucose *** are the basic component of the cell membrane and play a significant role in cancer cell processes such as cell-to-cell recognition,signal transduction,and energy supply,which are vital for cancer cell rapid proliferation,invasion,and *** regulatory element-binding transcription factor 1(SREBP1)is a key transcription factor regulating the expression of genes related to cholesterol biosynthesis,lipid homeostasis,and fatty acid *** addition,SREBP1 and its upstream or downstream target genes are implicated in various metabolic diseases,particularly ***,no review of sREBP1 in cancer biology has yet been ***,we summarized the roles and mechanisms of SREBP1 biological processes in cancer cells,including SREBP1 modification,lipid metabolism and reprogramming,glucose and mitochondrial metabolism,immunity,and tumor microenvi-ronment,epithelial-mesenchymal transition,cell cycle,apoptosis,and ***-ally,we discussed the potential role of SREBP1 in cancer prognosis,drug response such as drug sensitivity to chemotherapy and radiotherapy,and the potential drugs targeting SREBP1 and its corresponding pathway,elucidating the potential clinical application based on SREBP1 and its corresponding signal pathway.

关键词： Cancer Drug Lipid metabolism reprogramming Resistance SREBP1

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Rapidly growing primordial black holes as seeds of the massive high-redshift JWST Galaxies

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Science China(Physics,Mechanics & Astronomy) 2024年第10期67卷 139-146页

作者： Guan-Wen Yuan Lei Lei Yuan-zhu Wang Bo Wang Yi-ying Wang Chao Chen zhao-Qiang Shen Yi-Fu Cai Yi-zhong Fan Key Laboratory of Dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China School of Astronomy and Space Science University of Science and Technology of ChinaHefei 230026China Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Deep Space Exploration Laboratory/Department of Astronomy School of Physical SciencesUniversity of Science and Technology of ChinaHefei 230026China Jockey Club Institute for Advanced Study The Hong Kong University of Science and TechnologyHong KongChina

A group of massive galaxies at redshifts of z■7 have been recently detected by the James Webb Space Telescope(JWST),which were unexpected to form at such an early time within the standard Big Bang *** this work,we propose that this puzzle can be explained by the presence of some primordial black holes(PBHs)with a mass of~1000M_(⊙).These PBHs act as seeds for early galaxy formation with masses of~10^(8)-10^(10)M_(⊙)at high redshift,hence accounting for the JWST *** use a hierarchical Bayesian inference framework to constrain the PBH mass distribution models,and find that the Lognormal model with the M_(c)~750M_(⊙)is preferred over other *** rapidly growing BHs are expected to have strong radiation and may appear as high-redshift compact objects,similar to those recently discovered by *** we focused on PBHs in this work,the bound on the initial mass of the seed black holes remains robust even if they were formed through astrophysical channels.

关键词： primordial black hole dark matter halo black hole accretion primordial galaxies

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STING-mediated IL-6 Inhibits OATP1B1 Expression via the TCF4 Signaling Pathway in Cholestasis

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Journal of Clinical and Translational Hepatology 2024年第8期12卷 701-712页

作者： Yan Guo Hongjia z.ang Nan zhao ying Peng Dongya Shen Yubin Chen Xiaoxun z.ang Can-E Tang Jin Chai Department of Endocrinology Xiangya HospitalCentral South UniversityChangshaHunanChina Department of Gastroenterology Institute of Digestive Diseases of PLACholestatic Liver Diseases Center and Center for Metabolic Associated Fatty Liver DiseaseThe First Affiliated Hospital(Southwest Hospital)to Third Military Medical University(Army Medical University)ChongqingChina Department of Clinical Pharmacology Xiangya HospitalCentral South UniversityChangshaHunanChina Department of Cardiac Surgery Xiangya HospitalCentral South UniversityChangshaHunanChina National Clinical Research Center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangshaHunanChina

Background and Aims Organic anion-transporting polypeptides(OATPs)play a crucial role in the transport of bile acids and *** our previous study,interleukin 6(IL-6)reduced OATP1B3 levels in cholestatic ***,it remains unclear whether IL-6 inhibits OATP1B1 expression in cholestatic *** study aimed to investigate whether IL-6 can inhibit OATP1B1 expression and explore the underlying *** The effect of stimulator of interferon genes(STING)signaling on inflammatory factors was investigated in a cholestatic mouse model using RT-qPCR and enzyme-linked immunosorbent *** assess the impact of inflammatory factors on OATP1B1 expression in hepatocellular carcinoma,we analyzed OATP1B1 expression by RT-qPCR and Western Blot after treating PLC/PRF/5 cells with TNF-α,IL-1β,and *** elucidate the mechanism by which IL-6 inhibits OATP1B1 expression,we examined the expression of the OATP1B1 regulator TCF4 in PLC/PRF/5 and HepG2 cells using RT-qPCR and Western *** interaction mechanism betweenβ-catenin/TCF4 and OATP1B1 was investigated by knocking downβ-catenin/TCF4 through siRNA *** The STING inhibitor decreased inflammatory factor levels in the cholestatic mouse model,with IL-6 exhibiting the most potent inhibitory effect on ***-6 downregulatedβ-catenin/TCF4,leading to decreased OATP1B1 ***-downβ-catenin/TCF4 counteracted theβ-catenin/TCF4-mediated repression of *** STING-mediated IL-6 up-regulation may inhibit OATP1B1,leading to reduced transport of bile acids and bilirubin by *** may contribute to altered pharmacokinetics in patients with diseases associated with increased IL-6 production.

关键词： Inflammation Bile acid Bilirubin Cholestasis STING IL-6 β-catenin TCF4

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Research Progress in the Fabrication of Covalent Organic Framework Membranes for Chemical Separations

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Chinese Journal of Polymer Science 2024年第2期42卷 141-158,I0005页

作者： Cui-Ting Ding Jin-Qiu Yuan Meng-ying Xie Qing-Yuan Liu zeng-Guang Yao Shi-Yu z.ang Run-Nan z.ang Hong Wu zhong-Yi Jiang Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China zhejiang Institute of Tianjin University NingboZhejiang315201China Haihe Laboratory of Sustainable Chemical Transformations Tianjin300192China Tianjin Key Laboratory of Membrane Science and Desalination Technology Tianjin UniversityTianjin300072China Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityBinhai New CityFuzhou350207China

Membrane technology has become one of the most promising separation technologies for its energy saving, high separation efficiency, environmental friendliness, and economic feasibility. Covalent organic frameworks(COFs) with intrinsically high porosity, controllable pore size, uniform pore size distribution and long-range ordered channel structure, have emerged as next-generation materials to fabricate advanced separation membranes. This feature article summarizes some latest studies in the development of pure COF membranes in our lab, including their fabrication and applications in chemical separations. Finally, current challenges facing high-performance COF separation membranes are discussed.

关键词： Covalent organic frameworks Covalent organic framework membranes Water treatment Organic solvent nanofiltration Gas separation

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Interfacial fusion-enhanced 11 μm-thick gel polymer electrolyte for high-performance lithium metal batteries

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Journal of Energy Chemistry 2024年第11期 58-66页

作者： ying Jiang Xinyue Hong Peng Huang Jing Shi Wen Yan Chao Lai School of Chemistry and Materials Science Jiangsu Normal University

In the pursuit of ultrathin polymer electrolyte（<20 μm） for lithium metal batteries, achieving a balance between mechanical strength and interfacial stability is crucial for the longevity of the ***, 11 μm-thick gel polymer electrolyte is designed via an integrated electrode/electrolyte structure supported by lithium metal anode. Benefiting from an exemplary superiority of excellent mechanical property, high ionic conductivity, and robust interfacial adhesion, the in-situ formed polymer electrolyte reinforced by titanosiloxane networks（ISPTS） embodies multifunctional roles of physical barrier, ionic carrier, and artificial protective layer at the interface. The potent interfacial interactions foster a seamless fusion of the electrode/electrolyte interfaces and enable continuous ion transport. Moreover, the built-in ISPTS electrolyte participates in the formation of gradient solid-electrolyte interphase（SEI） layer, which enhances the SEI's structural integrity against the strain induced by volume fluctuations of lithium ***, the resultant 11 μm-thick ISPTS electrolyte enables lithium symmetric cells with cycling stability over 600 h and LiFePO4cells with remarkable capacity retention of 96.6% after 800 *** study provides a new avenue for designing ultrathin polymer electrolytes towards stable, safe,and high-energy–density lithium metal batteries.

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A fringe jump counting method for the phase measurement in the HCN laser interferometer on EAST and its FPGA-based implementation

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Plasma Science and Technology 2024年第4期26卷 156-161页

作者：姚远杨曜提昂宋扬张家敏王琰张耀刘海庆揭银先 Institute of Plasma Physics Chinese Academy of SciencesHefei 230031People’s Republic of China Anhui Electrical Engineering Professional Technique College Hefei 230022People’s Republic of China Institutes of Physical Science and Information Technology Anhui UniversityHefei 230601People’s Republic of China

Electron density in fusion plasma is usually diagnosed using laser-aided interferometers. The phase difference signal obtained after phase demodulation is wrapped, which is also called a fringe jump. A method has been developed to unwrap the phase difference signal in real time using FPGA, specifically designed to handle fringe jumps in the hydrogen cyanide(HCN) laser interferometer on the EAST superconducting tokamak. This method is designed for a phase demodulator using the fast Fourier transform(FFT) method at the front end. The method is better adapted for hardware implementation compared to complex mathematical analysis algorithms, such as field programmable gate array(FPGA). It has been applied to process the phase measurement results of the HCN laser interferometer on EAST in real time. Electron density results show good confidence in the fringe jump unwrapping method. Further possible application in other laser interferometers, such as the POlarimeter-INTerferometer(POINT)system on EAST tokamak is also discussed.

关键词： electron density laser-aided interferometer fringe jump unwrapping FPGA EAST

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后量子时代区块链中哈希函数比较研究

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信息安全研究 2024年第3期10卷 223-232页

作者：刘昂文津许盛伟陈颖秦晓宏蓝浩书北京电子科技学院网络信息化管理处北京100070 北京邮电大学网络空间安全学院北京100876 北京电子科技学院网络空间安全系北京100070 北京电子科技学院信息安全研究所北京100070 北京电子科技学院密码科学与技术系北京100070

哈希函数在区块链中扮演着安全基石的重要角色,对区块链系统中共识机制的构建和数据完整性保护发挥着不可替代的作用.然而随着量子技术的加速发展,量子计算机的出现将对经典哈希函数构成严重安全威胁,基于量子算法的并行计算特性,Grove... 详细信息

哈希函数在区块链中扮演着安全基石的重要角色,对区块链系统中共识机制的构建和数据完整性保护发挥着不可替代的作用.然而随着量子技术的加速发展,量子计算机的出现将对经典哈希函数构成严重安全威胁,基于量子算法的并行计算特性,Grover量子算法在寻找哈希冲突时较经典搜索算法能提供2次加速,从而能有效实施针对经典哈希函数的量子计算攻击,例如挖矿攻击、伪造攻击,对区块链的安全构成严重挑战.阐述了哈希函数的抗原像性、弱抗碰撞性及强抗碰撞性,分析了针对经典哈希函数的量子计算攻击主要形式:原像攻击和第二原像攻击.从抗量子安全的角度对区块链中的哈希函数展开比较研究,从构造、输入、输出、优点、缺点等方面出发,对5类典型哈希算法进行分析与对比,并对区块链中的哈希函数提出设计建议,为后量子时代区块链中的哈希函数的设计提供有益参考.

关键词：量子计算区块链哈希函数量子 Merkle树

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Phase separation of Nur77 mediates XS561-induced apoptosis by promoting the formation of Nur77/Bcl-2 condensates

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Acta Pharmaceutica Sinica B 2024年第3期14卷 1204-1221页

作者： Xiaohui Chen Meichun Gao Yongzhen Xia Xin Wang Jingbo Qin Hongying He Weirong Liu Xiaowei z.ang Shuangzhou Peng zhiping zeng ying Su Xiaokun z.ang School of Pharmaceutical Science Fujian Provincial Key Laboratory of Innovative Drug Target ResearchXiamen UniversityXiamen 361002China NucMito Pharmaceuticals Co. Ltd.Xiamen 361000China Department of Clinical Laboratory the Fifth Affiliated Hospital of Sun Yat-sen UniversityZhuhai 519000China

The orphan nuclear receptor Nur77 is a critical regulator of the survival and death of tumor *** pro-death effect of Nur77 can be regulated by its interaction with Bcl-2,resulting in conversion of Bcl-2 from a survival to *** Bcl-2 is overexpressed in various cancers preventing them from apoptosis and promoting their resistance to chemotherapy,targeting the apoptotic pathway of Nur77/Bcl-2 may lead to new cancer ***,we report our identification of XS561 as a novel Nur77 ligand that induces apoptosis of tumor cells by activating the Nur77/Bcl-2 *** vitro and animal studies revealed an apoptotic effect of XS561 in a range of tumor cell lines including MDA-MB-231 triple-negative breast cancer(TNBC)and MCF-7/LCC2 tamoxifen-resistant breast cancer(TAMR)in a Nur77-dependent *** studies showed XS561 potently induced the translocation of Nur77 from the nucleus to mitochondria,resulting in mitochondria-related ***,XS561-induced accumulation of Nur77 at mitochondria was associated with XS561 induction of Nur77 phase separation and the formation of Nur77/Bcl-2 ***,our studies identify XS561 as a new activator of the Nur77/Bcl-2 apoptotic pathway and reveal a role of phase separation in mediating the apoptotic effect of Nur77 at mitochondria.

关键词： XS561 Nur77 Bcl-2 Apoptosis Mitochondria Phase separation TNBC TAMR

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Decoupling of Rattling Mode and Superconductivity in Filled-Skutterudite Ba_(x)Ir_(4)Sb_(12)

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Chinese Physics Letters 2024年第7期41卷 132-139页

作者：刘辉于同旭张志华应天平 School of Materials Science and Engineering Dalian Jiaotong UniversityDalian 116028China Institute of Physics Chinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100190China Suzhou Laboratory Suzhou 215123China

The rattling mode,an anharmonic vibrational phonon,is widely recognized as a critical factor in the emergence of superconductivity in caged ***,we present a counterexample in a filled-skutterudite superconductor Ba_(x)Ir_(4)Sb_(12)(x=0.8,0.9,1.0),synthesized via a high-pressure *** measurements down to liquid 3He temperatures reveal a transition temperature(T_(c))of 1.2 K and an upper critical field(H_(c2))of 1.3 *** other superconductors with caged structures,the Ba_(x)Ir_(4)Sb_(12)(X=P,As,Sb)family exhibits a monotonic decreasing T_(c) with the enhancement of the rattling mode,as indicated by fitting the Bloch–Grüneisen *** analysis suggests that electron doping from Ba transforms the direct bandgap IrSb3 into a metal,with the Fermi surface dominated by the hybridization of Ir 5d and Sb 5p *** findings of decoupled rattling modes and superconductivity distinguish the Ba_(x)Ir_(4)Sb_(12) family from other caged superconductors,warranting further exploration into the underlying mechanism.

关键词： mechanism materials superconductivity

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Simultaneous microwave characterization of wafer-level optoelectronic transceiver chips based on photonic sampling and mapping

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Science China(Information Sciences) 2024年第2期67卷 337-338页

作者： Yutong HE Xinhai zOU ying XU zhihui LI Naidi CUI Junbo FENG Yali z.ang zhiyao z.ang Shangjian z.ang Yong LIU Ninghua zHU Research Center for Microwave Photonics State Key Laboratory of Electronic Thin Films and Integrated DevicesSchool of Optoelectronic Science and EngineeringUniversity of Electronic Science and Technology of China Chongqing United Microelectronics Center (CUMEC) Xiongan Institute of Innovation Chinese Academy of Sciences

Photonic integrated circuits(PICs) promise future parallelism growths of high-performance communication, computation, and offer unprecedented bandwidth scalability with reduced power consumption as a viable replacement for an electrical wire with an optoelectronic transceiver consisting of a transmitter and a receiver integrated on the same wafer.

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