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No Incidence of Liver Cancer Was Observed in A Retrospective Studyof Patients with Aristolochic Acid Nephropathy

Chinese Journal of Integrative Medicine 2024年第2期30卷 99-106页

作者： SU Tao fang Zhi-e GUO Yu-ming WANG Chun-yu WANG Jia-bo JI Dong bai zhao-fang YANG Li XiAO Xiao-he Renal Division Department of MedicinePeking University First HospitalBeijing(100034)China Department of Pharmacy Chongqing Hospital of Traditional Chinese MedicineChongqing(400021)China Department of Hepatology Fifth Medical Center of Chinese PLA General HospitalBeijing(100039)China China Military Institute of Chinese Materia Fifth Medical Center of Chinese PLA General HospitalBeijing(100039)China Phase I Clinical Trials Unit Department of Medicine for Infectious DiseasesFifth Medical Center of Chinese PLA General HospitalBeijing(100039)China Department of Pharmacy Affiliated Hospital of Shandong University of Traditional Chinese MedicineJinan(250000)China National Key Laboratory of Kidney Diseases Beijing(100039)China

Objective:To assess the risk of aristolochic acid(AA)-associated cancer in patients with AA nephropathy(AAN).Methods:A retrospective study was conducted on patients diagnosed with AAN at Peking University First Hospital from January 1997 to December ***-term surveillance and follow-up data were analyzed to investigate the influence of different factors on the prevalence of *** primary endpoint was the incidence of liver cancer,and the secondary endpoint was the incidence of urinary cancer during 1 year after taking AA-containing medication to ***:A total of 337 patients diagnosed with AAN were included in this *** the initiation of taking AA to the termination of follow-up,39 patients were diagnosed with *** cases of liver cancer were observed throughout the entire follow-up period,with urinary cancer being the predominant type(34/39,87.17%).Logistic regression analysis showed that age,follow-up period,and diabetes were potential risk factors,however,the dosage of the drug was not significantly associated with urinary ***:No cases of liver cancer were observed at the end of ***,a high prevalence of urinary cancer was observed in AAN *** a direct causality between AA and HCC is challenging.

关键词： aristolochic acid hepatocellular carcinoma urinary cancer drug safety retrospective study

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FCF-LDH/BiVO4 with synergistic effect of physical enrichment and chemical adsorption for efficient reduction of nitrate

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Green Energy & Environment 2024年第7期9卷 1112-1121页

作者： Yajie bai Zhenyuan fang Yong Lei Lijing Liu Huaiquan zhao Hongye bai Weiqiang Fan Weidong Shi School of Chemistry and Chemical Engineering Jiangsu University School of Chemistry Beihang University Institute of Physics & IMN MacroNano Technische Universit?t Ilmenau

Photoelectrochemical NO3-reduction（PEC NITRR） not only provides a promising solution for promoting the global nitrogen cycle,but also converts NO3-to the important chemicals（NH3）.However,it is still a great challenge to prepare catalysts with excellent NO3-adsorption/activation capacity to achieve high ***,we designed a novel Fe2+～Cu2+Fe3+LDH/BiVO4（FCF-LDH/BVO） catalyst with synergistic effect of chemical adsorption and physical ***2+in FCF-LDH/BVO provides the rich Lewis acid sites for the adsorption of NO3-,and the appropriate layer spacing of FCF-LDH further promotes the physical enrichment of NO3-in its interior,thus realizing the effective contact between NO3-and active sites(Fe2+).FCF-LDH/BVO showed excellent NH3production performance(FENH3=66.1%,rNH3=13.8 μg h-1cm-2) and selectivity(FENO2-=2.5%,rNO2-=4.9 μg h-1cm-2) in 0.5 mol *** addition,FCF-LDH/BVO maintains the desirable PEC stability for six cycle experiments,showing great potential for practical ***14NO3-and15NO3-isotope test provides strong evidence for further verification of the origin of N in the generated *** LDH catalyst has a great potential in PEC removal of NO3-from groundwater.

关键词： LDH Lewis acid sites Physical enrichment Photoelectrochemical NO 3 − Reduction Ammonia

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基于NLRP3炎症小体探讨白芍总苷胶囊改善急性肺损伤的作用机制

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中国中药杂志 2024年第10期49卷 2754-2765页

作者：许颖杰王贤玲牟文清文金财王炎修叶董旭李俊杰湛小燕肖小河柏兆方大理大学药学院云南大理671000 中国人民解放军总医院第五医学中心肝病医学部北京100039 道地药材品质保障与资源持续利用全国重点实验室北京100700

基于NOD样受体热蛋白结构域相关蛋白3(NOD-like receptor thermal protein domain associated protein 3,NLRP3)炎症小体信号通路探讨白芍总苷胶囊(total glucosides of White Paeony Capsules,TGP)对急性肺损伤(acute lung injury,ALI)模型小鼠的改善作用及分子机制。在小鼠原代骨髓巨噬细胞(bone marrow-derived macrophages,BMDMs)上建立NLRP3炎症小体活化模型,通过蛋白免疫印迹(Western blot,WB)、免疫荧光染色、酶联免疫吸附实验(enzyme-linked immunosorbent assay,ELISA)和流式细胞术探究其分子机制。将C57BL/6J小鼠随机分为空白组、TGP组、模型组(LPS组)、LPS+TGP低剂量组、LPS+TGP高剂量组、LPS+MCC950组、LPS+MCC950+TGP组,每组8只,建立小鼠ALI模型。最后,收集肺泡灌洗液(bronchoalveolar lavage fluid,BALF)以及肺组织。测定各组小鼠肺指数及肺重湿干比,通过苏木精-伊红(HE)染色技术分析肺部组织的病理学变化,使用流式细胞术检测各组BALF中中性粒细胞数量,采用ELISA法测定BALF中白细胞介素(interleukin,IL)-1β、IL-6、肿瘤坏死因子(tumor necrosis factor,TNF)-α含量,实时荧光定量PCR(quantitative real-time,RT-qPCR)法测定肺组织中IL-1β、IL-18、IL-6、TNF-α的基因表达。结果表明TGP通过抑制上游线粒体活性氧(mitochondrial reactive oxygen species,mtROS)的产生以及随后的凋亡相关斑点(apoptosis-associated speck,ASC)的寡聚化,显著阻断了NLRP3炎症小体的激活。此外,在小鼠ALI模型中,与空白组相比,模型组肺组织出现肺泡结构破裂,肺泡间隔增厚,肺指数及肺重湿干比明显增高,中性粒细胞数量显著增加,炎性因子水平明显升高;与模型组相比,TGP和MCC950各组的肺组织病理形态明显改善,肺指数和肺重湿干比明显减低,中性粒细胞数量显著减少,炎性因子水平显著下调;值得注意的是,与MCC950组相比,MCC950+TGP组效果无明显差异。综上,该研究揭示了白芍总苷胶囊可能是通过抑制NLRP3炎症小体的激活从而改善小鼠ALI,也提供了一种安全有效的防治ALI/ARDS的候选药物。

关键词：白芍总苷胶囊 NLRP3炎症小体线粒体活性氧 ASC寡聚化脂多糖诱导的急性肺损伤

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Simultaneous detection of flare-associated kink oscillations and extreme-ultraviolet waves

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Science China(Technological Sciences) 2024年第5期67卷 1592-1601页

作者： LI Dong HOU ZhenYong bai XianYong LI Chuan fang Matthew zhao HaiSheng WANG JinCheng NING ZongJun Key Laboratory of Dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing210023China Yunnan Key Laboratory of the Solar Physics and Space Science Kunming650216China School of Earth and Space Sciences Peking UniversityBeijing100871China National Astronomical Observatories Chinese Academy of SciencesBeijing100101China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing100049China School of Astronomy and Space Science Nanjing UniversityNanjing210023China Key Laboratory of Modern Astronomy and Astrophysics Ministry of EducationNanjing UniversityNanjing210023China Columbus Academy GahannaOhio43230USA Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing100049China Yunnan Observatories Chinese Academy of SciencesKunming650216China

Kink oscillations,which are frequently observed in coronal loops and prominences,are often accompanied by extreme-ultraviolet(EUV)***,much more needs to be explored regarding the causal relationships between kink oscillations and EUV *** this article,we report the simultaneous detection of kink oscillations and EUV waves that are both associated with an X2.1 flare on 2023 March 03(SOL2023-03-03T17:39).The kink oscillations,which are almost perpendicular to the axes of loop-like structures,are observed in three coronal loops and one *** short loop shows in-phase oscillation within the same period of 5.2 min at three *** oscillation could be triggered by the pushing of an expanding loop and interpreted as the standing kink *** lags are found between the kink oscillations of the short loop and two long loops,suggesting that the kink wave travels in different *** kink oscillations of one long loop and the prominence are possibly driven by the disturbance of the coronal mass ejection(CME),and that of another long loop might be attributed to the interaction of the EUV *** onset time of the kink oscillation of the short loop is nearly same as the beginning of an EUV *** fact demonstrates that they are almost *** EUV wave is most likely excited by the expanding loop structure and shows two *** leading component is a fast coronal wave,and the trailing one could be due to the stretching magnetic field lines.

关键词： coronal loops solar flares solar prominence solar oscillations extreme-ultraviolet wave magnetohydrodynamic

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鼠尾草酚抑制巨噬细胞NLRP3/IL-1β 通路活化对口腔鳞癌细胞迁移和侵袭的影响研究

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中华老年口腔医学杂志 2024年第2期22卷 77-83页

作者：董铭李俊杰李慧湛小燕柏兆方吴高义佳木斯大学口腔医学院 154002 解放军总医院第五医学中心肝病医学部北京100039 解放军总医院第五医学中心全军中医药研究所北京100039

目的旨在探讨巨噬细胞中NLRP3/IL-1β通路对口腔鳞癌细胞迁移和侵袭的影响及鼠尾草酚对这一过程的调控作用。方法qRT-PCR,Western Blot,ELISA法检测口腔鳞癌细胞与巨噬细胞串扰对巨噬细胞NLRP3炎症小体激活及IL-1β释放的影响;Transwel... 详细信息

目的旨在探讨巨噬细胞中NLRP3/IL-1β通路对口腔鳞癌细胞迁移和侵袭的影响及鼠尾草酚对这一过程的调控作用。方法qRT-PCR,Western Blot,ELISA法检测口腔鳞癌细胞与巨噬细胞串扰对巨噬细胞NLRP3炎症小体激活及IL-1β释放的影响;Transwell以及qRT-PCR实验检测不同浓度IL-1β对于口腔鳞癌细胞迁移和侵袭能力的影响;ELISA实验检测鼠尾草酚对于串扰引起巨噬细胞NLRP3炎症小体激活及IL-1β释放的影响;Transwell实验检测鼠尾草酚通过影响串扰引起的口腔鳞癌细胞迁移和侵袭能力的改变;CCK8实验检测鼠尾草酚培养口腔鳞癌细胞系Cal-27和单核巨噬细胞系THP-1的毒性作用。结果口腔鳞癌细胞与巨噬细胞串扰导致巨噬细胞中NLRP3炎症小体激活,IL-1β释放;Transwell实验结果表明,IL-1β以剂量依赖性的方式促进口腔鳞癌细胞迁移和侵袭;鼠尾草酚以剂量依赖性的方式抑制着串扰引起的巨噬细胞NLRP3炎症小体激活与IL-1β释放,且40μM浓度的鼠尾草酚显著抑制被串扰增强的口腔鳞癌细胞迁移和侵袭能力;CCK8实验结果表明0~100μM浓度的鼠尾草酚对于Cal-27和THP-1细胞均无毒性。结论本研究证明口腔鳞癌细胞与巨噬细胞的串扰可以促进巨噬细胞中NLRP3炎症小体激活与IL-1β释放,进而显著增强口腔鳞癌细胞的迁移和侵袭能力;鼠尾草酚通过抑制巨噬细胞NLRP3/IL-1β通路的激活与IL-1β释放,抑制口腔鳞癌细胞的迁移和侵袭。

关键词：口腔鳞癌迁移侵袭巨噬细胞 NLRP3炎症小体

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AI enhances drug discovery and development

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National Science Review 2024年第3期11卷 52-54页

作者： fang bai Shiliang Li Honglin Li Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology ShanghaiTech University Lingang Laboratory Innovation Center for AI and Drug Discovery East China Normal University

The advent of the third wave of artificial intelligence(AI) heralds a new era in drug discovery. AI-powered techniques can be characteristic of identifying features that are difficult for humans to interpret from big ...

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TendiffPure:a convolutional tensor-train denoising diffusion model for purification

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Frontiers of Information Technology & Electronic Engineering 2024年第1期25卷 160-169页

作者： Mingyuan bai Derun ZHOU Qibin zhao RIKEN AIP Tokyo 1030027Japan School of Environment and Society Tokyo Institute of TechnologyTokyo 1528550Japan

Diffusion models are effective purification methods,where the noises or adversarial attacks are removed using generative approaches before pre-existing classifiers conducting classification ***,the efficiency of diffusion models is still a concern,and existing solutions are based on knowledge distillation which can jeopardize the generation quality because of the small number of generation ***,we propose TendiffPure as a tensorized and compressed diffusion model for *** the knowledge distillation methods,we directly compress U-Nets as backbones of diffusion models using tensor-train decomposition,which reduces the number of parameters and captures more spatial information in multi-dimensional data such as *** space complexity is reduced from O(N^(2))to O(NR^(2))with R≤4 as the tensor-train rank and N as the number of *** results show that TendiffPure can more efficiently obtain high-quality purification results and outperforms the baseline purification methods on CIFAR-10,Fashion-MNIST,and MNIST datasets for two noises and one adversarial attack.

关键词： Diffusion models Tensor decomposition Image denoising

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Schisandra chinensis Oil Attenuates Aristolochic Acid Ⅰ-Induced Nephrotoxicity in vivo and in vitro

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Chinese Journal of Integrative Medicine 2022年第7期28卷 603-611页

作者： YANG Yan GE Fei-lin ZHAN Xiao-yan MU Wen-qing LI Zhi-yong LIN Li WEI Zi-ying bai zhao-fang SUN Qin XIAO Xiao-he School of Integrated Traditional Chinese and Western Medicine Southwest Medical UniversityLuzhouSichuan Province 646000China Senior Department of Hepatology the Fifth Medical Center of PLA General HospitalBeijing 100039China China Military Institute of Chinese Materia the Fifth Medical Center of PLA General HospitalBeijing 100039China

Objective: To investigate the protective effects of Schisandra chinensis oil(SCEO) against aristolochic acid Ⅰ(AAⅠ)-induced nephrotoxicity in vivo and in vitro and elucidate the underlying ***: C57BL/6 mice were randomly divided into 5 groups according to a random number table, including control group, AAⅠ group, and AAⅠ+SCEO(0.25, 0.5 and 1 g/kg) groups(n=5 per group). Pretreatment with SCEO was done for 2 days by oral administration, while the control and AAⅠ groups were treated with sodium carboxymethyl cellulose. Mice of all groups except for the control group were injected intraperitoneally with AAⅠ(5 mg/kg) from day 3 until day 7. Histopathological examination and apoptosis of kidney tissue were observed by hematoxylin and eosin and TdT-mediated dUTP nick-end labeling(TUNEL) staining, respectively. The levels of serum alanine aminotransferase(ALT), aspartate aminotransferase(AST), blood urea nitrogen(BUN), and serum creatinine(SCr), as well as renal malondialdehyde(MDA), glutathione, r-glutamyl cysteingl+glycine(GSH), and superoxide dismutase(SOD) were analyzed using enzyme-linked immunosorbent assay(ELISA).Expressions of hepatic cytochrome P450 1A1(CYP1A1), CYP1A2, and nad(p)hquinonedehydrogenase1(NQO1) were analyzed using ELISA, quantitative real-time polymerase chain reaction(qPCR) and Western blot,respectively. In vitro, SCEO(40 μg/mL) was added 12 h before treatment with AAⅠ(40 μmol/mL for 48 h) in human renal proximal tubule cell line(HK-2), then apoptosis and reactive oxygen species(ROS) were analyzed by flow cytometry. Results: SCEO 0.5 and 1 g/kg ameliorated histopathological changes and TUNEL+ staining in the kidney tissues of mice with AAⅠ-induced nephrotoxicity, and reduced serum levels of ALT, AST, BUN and SCr(P<0.01 or P<0.05). SCEO 0.5 and 1 g/kg alleviated the ROS generation in kidney, containing MDA,GSH and SOD(P<0.01 or P<0.05). SCEO 1 g/kg increased the expressions of CYP1A1 and CYP1A2 and decreased NQO1 level in the liver tiss

关键词： aristolochic acidⅠ nephrotoxicity Schisandra chinensis oil metabolic enzymes apoptosis reactive oxygen species

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A rigorous real-time acoustic positioning method for ocean bottom seismic exploration

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Satellite Navigation 2024年第1期5卷 168-190页

作者： Jinye Ma Shouchuan fang Jianhu zhao School of Geodesy and Geomatics Wuhan University129 Luoyu RoadWuhan430079China Institute of Marine Science and Technology Wuhan UniversityWuhan430079China Surveying Service Center BGP Inc.CNPCZhuozhou072751HebeiChina

The conventional technique for positioning seafloor geophones in ocean bottom seismic exploration encounters several challenges,including the significant impact of outliers on positioning results,underutilization of high-precision observations,and low efficiency in real-time data *** issues inevitably affect the quality of seismic exploration *** address these challenges and enhance the accuracy of geophone positioning,this paper proposes a rigorous real-time acoustic positioning method for geophones based on sequential adjustment and Baarda's outlier detection *** proposed method comprises three key steps:grouping the original acoustic observations,constructing the intra-group acoustic positioning model,and synthesizing the positioning results across the different *** validity and practicality of this approach are confirmed through a simulation experiment as well as the field experiment conducted in the Bohai Sea,*** results demonstrate that the proposed method effectively eliminates outliers in the original observations and maximizes the utilization of high-quality *** to traditional acoustic positioning methods,it significantly reduces positioning errors from meters to decimeters,and in some cases can achieve centimeter-level *** the sound velocity profile in the operating sea area is measured,the method can attain the posterior standard deviation at the millimeter level and positioning errors within 10 *** the sound velocity profile is unknown,the method can achieve the posterior standard deviation at centimeter-level and positioning errors of approximately 20 cm.

关键词： Ocean bottom seismic exploration Geophone positioning Acoustic positioning method Sequential adjustment Outlier detection

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Intracellular RNA Labeling Technologies for the Analysis of RNA Biology

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Chinese Journal of Chemistry 2024年第7期42卷 790-801页

作者： Ruiqi zhao Xin fang Xiaocheng Weng Department of Clinical Laboratory Center for Gene DiagnosisDepartment of NeurosurgeryZhongnan Hospital of Wuhan UniversityWuhanHubei 430071China College of Chemistryand Molecular Sciences Key Laboratory of Biomedical Polymers-Ministry of EducationWuhan UniversityWuhan Hubei 430072China

As a cornerstone of the central dogma of molecular biology,RNA plays vital roles in living *** the past few decades,many RNA labeling technologies have been developed to elucidate the biological function of *** technologies have signifi-cantly advanced our understanding of RNA secondary structure,localization,and ***,taking advantage of these innovative RNA labeling approaches,plenty of tool kits have been devised for the regulation of RNA-related biological process,such as gene expression and gene *** this review,we primarily focus on an array of intracellular RNA labeling methods,encom-passing chemical probes-based labeling,metabolic labeling,and proximity-dependent *** also provide a brief overview of their applications in the research of RNA ***,the perspectives of RNA labeling are also discussed.

关键词： RNA Chemical probes Metabolic labeling Proximity-dependent labeling RNA structures Gene sequencing RNA recognition

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