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Inhibition of the NLRP3 inflammasome attenuates spiral ganglion neuron degeneration in aminoglycoside-induced hearing loss

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Neural Regeneration Research 2025年第10期20卷 3025-3039页

作者： Jia Fang Zhuangzhuang Li Pengjun Wang Xiaoxu Zhang Song Mao Yini Li Dongzhen Yu Xiaoyan Li Yazhi Xing Haibo shi Shankai Yin Department of Otolaryngology Head and Neck Surgery Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of MedicineOtolaryngology Institute of Shanghai Jiao Tong UniversityShanghai Key Laboratory of Sleep Disordered BreathingShanghaiChina Department of Otorhinolaryngology-Head and Neck Surgery Shanghai Children’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina

Aminoglycosides are a widely used class of antibacterials renowned for their effectiveness and broad antimicrobial ***,their use leads to irreversible hearing damage by causing apoptosis of hair cells as their direct *** addition,the hearing damage caused by aminoglycosides involves damage of spiral ganglion neurons upon *** investigate the mechanisms underlying spiral ganglion neuron degeneration induced by aminoglycosides,we used a C57BL/6J mouse model treated with *** found that the mice exhibited auditory deficits following the acute loss of outer hair *** ganglion neurons displayed hallmarks of pyroptosis and exhibited progressive degeneration over *** profiling of these neurons showed significant upregulation of genes associated with inflammation and immune response,particularly those related to the NLRP3 *** of the canonical pyroptotic pathway in spiral ganglion neurons was observed,accompanied by infiltration of macrophages and the release of proinflammatory *** intervention targeting NLRP3 using Mcc950 and genetic intervention using NLRP3 knockout ameliorated spiral ganglion neuron degeneration in the injury *** findings suggest that NLRP3 inflammasome-mediated pyroptosis plays a role in aminoglycoside-induced spiral ganglion neuron *** of this pathway may offer a potential therapeutic strategy for treating sensorineural hearing loss by reducing spiral ganglion neuron degeneration.

关键词： degeneration hearing loss macrophages Mcc950 neuroinflammation NLRP3 inflammasome ototoxicity pyroptosis sensorineural hearing loss spiral ganglion neuron

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T cell interactions with microglia in immune-inflammatory processes of ischemic stroke

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Neural Regeneration Research 2025年第5期20卷 1277-1292页

作者： Yuxiao Zheng Zilin Ren Ying Liu Juntang Yan Congai Chen Yanhui He Yuyu shi Fafeng Cheng Qingguo Wang Changxiang Li Xueqian Wang School of Traditional Chinese Medicine Beijing University of Chinese MedicineBeijingChina Library Beijing University of Chinese MedicineBeijingChina Dongzhimen Hospital Beijing University of Chinese MedicineBeijingChina

The primary mechanism of secondary injury after cerebral ischemia may be the brain inflammation that emerges after an ischemic stroke,which promotes neuronal death and inhibits nerve tissue *** the first immune cells to be activated after an ischemic stroke,microglia play an important immunomodulatory role in the progression of the *** an ischemic stroke,peripheral blood immune cells(mainly T cells)are recruited to the central nervous system by chemokines secreted by immune cells in the brain,where they interact with central nervous system cells(mainly microglia)to trigger a secondary neuroimmune *** review summarizes the interactions between T cells and microglia in the immune-inflammatory processes of ischemic *** found that,during ischemic stroke,T cells and microglia demonstrate a more pronounced synergistic ***1,Th17,and M1 microglia can co-secrete proinflammatory factors,such as interferon-γ,tumor necrosis factor-α,and interleukin-1β,to promote neuroinflammation and exacerbate brain ***2,Treg,and M2 microglia jointly secrete anti-inflammatory factors,such as interleukin-4,interleukin-10,and transforming growth factor-β,to inhibit the progression of neuroinflammation,as well as growth factors such as brain-derived neurotrophic factor to promote nerve regeneration and repair brain *** interactions between microglia and T cells influence the direction of the subsequent neuroinflammation,which in turn determines the prognosis of ischemic stroke *** trials have been conducted on the ways to modulate the interactions between T cells and microglia toward anti-inflammatory communication using the immunosuppressant fingolimod or overdosing with Treg cells to promote neural tissue repair and reduce the damage caused by ischemic ***,such studies have been relatively infrequent,and clinical experience is still *** summary,in ischemic stroke,T cell subsets and activated micro

关键词： brain immune inflammation interaction ischemic stroke mechanism microglia neuron secondary injury T cells

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复方白花蛇舌草治疗肺癌荷瘤小鼠的实验研究

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实用中西医结合临床 2014年第9期14卷 81-83页

作者：赵诗云张瑾楠吴东风卢仁军尹小明江西省中医药研究院南昌330046 江西中医药大学 2012级研究生南昌330006 江西省人民医院南昌330006

目的:探讨复方白花蛇舌草体内抗肿瘤作用。方法:将肺癌荷瘤C57小鼠分为模型组、环磷酰胺(CTX)组、CTX+复方白花蛇舌草高、中、低剂量组与复方白花蛇舌草高剂量组,复方白花蛇舌草水煎剂灌胃,环磷酰胺腹腔注射。观察各组小鼠体重,瘤体、... 详细信息

目的:探讨复方白花蛇舌草体内抗肿瘤作用。方法:将肺癌荷瘤C57小鼠分为模型组、环磷酰胺(CTX)组、CTX+复方白花蛇舌草高、中、低剂量组与复方白花蛇舌草高剂量组,复方白花蛇舌草水煎剂灌胃,环磷酰胺腹腔注射。观察各组小鼠体重,瘤体、胸腺、脾脏重量,抑瘤率及血细胞变化。结果:CTX组与模型组比较荷瘤小鼠胸腺系数显著降低(P<0.05),白细胞显著下降(P<0.01);各治疗组对荷瘤鼠肿瘤的生长均有一定程度的抑制作用。结论:复方白花蛇舌草能够抑制荷瘤鼠肿瘤的生长,与CTX联合能够达到协同增效解毒的作用,且复方白花蛇舌草对血液系统未见毒副作用。

关键词：肺癌荷瘤小鼠复方白花蛇舌草 CTX 实验研究

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Translation of steel surface defect detection algorithm with fusion of multiple attention detection heads

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Optoelectronics Letters 2025年

作者： shi Tao CUI Jie LI Song Tianjin University of Technology， School of Electrical Engineering and Automation North China University of Science and Technology， School of Electrical Engineering

This paper proposes an end-to-end defect detection algorithm model called YOLOv5-CJ to address the issues of missed detections and low accuracy in visual steel surface defect detection. By incorporating the C3＿MSBlock module， which is designed based on Res2Net and contains multi-scale information， into the backbone network， the model can represent multi-scale features at a finer granularity level and increase the network's receptive field. In the detection head， the DyHead attention mechanism is introduced， which integrates scale awareness， spatial awareness， and task awareness， to help the model better cope with complex industrial scenes with large background interference， significant defect scale variations， and easily confused defect categories. Soft NMS is employed to enhance the recognition capability in overlapping regions. Experimental results demonstrate that the proposed YOLOv5-CJ model outperforms YOLOv5s，achieving an average precision (mAP0.5 and mAP0.5:0.95) improvement of 1.9% and 7.2% on the NEU-DET dataset， and 5.3% and 4.3% on the GC10-DET dataset， respectively， validating the feasibility and effectiveness of the proposed model.

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The influence of MoS_2 on tribology characteristic parameter of Ni60A/MoS_2 composite lubricating coating

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Journal of Coal Science & Engineering(China) 2010年第1期16卷 94-98页

作者： zhao yun-cai GE shi-rong Institute of Tribology and Reliability Engineering China University of Mining and Technology Xuzhou 221003 China Department of Mechanical Engineering Jiangxi University of Science and Technology Ganzhou 341000 China

The influence of MoS2 on the tribology characteristic parameter of Ni60A/MoS2 composite lubricating coating was researched on the UMT-2 fretting abrasion tester （USA） The result shows that with increasing content of MoS2, the hardness curve of the composite coating decreases and the trend accelerates. Under the same experimental conditions, the mass loss of plasma spray composite coating without adding MoS2 iS 1.27×10^-2 mg. When the amount of MoS2 reaches 35%, the mass loss is 0.96×10^-2 mg. It can be seen that adding MoS2 phase can improve the wear resistance, the amplitude of which is close to 30%. The friction coefficient of plasma spray composite coating without adding MoS2 is 0.23. Adding MoSz could decrease the friction coefficient of the coating and presents a downtrend. When the mass fraction is 35%, the friction coefficient is the smallest （0.13）, and the range is doubled.

关键词： plasma spraying MoS2 phase composite lubricant coating tribology characteristic parameter friction coefficient

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Hydrophilicity Modification of Addition-cured Room Temperature Vulcanization Silicone Rubber

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Chinese Chemical Letters 2006年第4期17卷 533-536页

作者： yun Xia QI shi Gui zhao Wei Feng JIANG Xin Xin YANG School of Material Science and Engineering Shandong University Jinan 250061

Allyl terminated polyether was used to improve the hydrophilicity of addition-cured room temperature vulcanization silicone rubber. With the increasing of the polyether, both the hydrophilicity and water absorbed of the vulcanizates were increased. The mechanical properties were also improved by adding the polyether. The result showed that 1.5wt% of the polyether provided the silicone rubber with proper hydrophilicity.

关键词： Allyl terminated polyether addition-cured silicone rubber room temperature vulcanization hydrophilicity mechanical properties.

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Ancient Microorganisms and Carotenoids Preserved in Fluid Inclusions in Halite from Chaka Salt Lake,Western China:Evidence from Micro-observation and in situ Raman Spectroscopy

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Acta Geologica Sinica(English Edition) 2021年第3期95卷 1008-1015页

作者： CHEN Yong WANG Jiuyuan ZHOU Zhenzhu CHEN Xiaolan zhao Zhenyu shi Peng HAN yun School of Geosciences China University of Petroleum(East China)QingdaoShandong 266580China Shandong Provincial Key Laboratory of Depositional Mineralization&Sedimentary Mineral Shandong University of Science and TechnologyQingdaoShandong 266590China Department of Earth and Planetary Sciences Yale UniversityNew HavenCT 06511USA PetroChina Exploration and Development Institute Beijing 100083China Bohai Oil Research Institute Tianjin Branch of CNOOC Ltd300459Tianjin 300459China

Trapped ancient microorganisms in halite fluid inclusions are of special interest to the understanding of biology and ecology in salt lake *** the integration of petrologic,microthermometric,and Raman spectroscopic analyses,this study utilizes fluid inclusions from Chaka Salt Lake,eastern Qaidam Basin,NW China,to assess the possibility of microorganism-trapping by fluid ***,we report that the solid phase of some primary fluid inclusions contains carotenoids,which is interpreted as evidence of Dunaliella algae,and that the coexisting liquid phase comprises SO_(4)^(2-).The homogenization temperatures of single-phase primary fluid inclusions indicate that the precipitation temperature of the Holocene halite in Chaka Salt Lake ranges from 13.5℃ to 36.4℃.This suggests that fluid inclusions in halite are a good medium for trapping and preserving ancient microorganisms and organic matter in salt lakes,and that Raman spectroscopy has good potential to identify halophilic archaea.

关键词： invertebrate paleontology halophile microorganisms halite fluid inclusions carotenoids Qinghai Province

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稳心颗粒对心房颤动患者炎性因子的影响

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河南中医 2016年第12期36卷 2101-2103页

作者：曹文斋张汀钟德超石兆云余江恒自贡市第一人民医院四川自贡643000 四川卫生康复职业学院四川自贡643000

目的:观察稳心颗粒对心房颤动(房颤)患者炎性因子的影响。方法:将220例房颤患者随机分为对照组111例和治疗组109例,对照组给予常规治疗,治疗组在对照组基础上口服稳心颗粒治疗。观察两组患者的临床疗效及治疗前后血清高敏C-反应蛋白(hig... 详细信息

目的:观察稳心颗粒对心房颤动(房颤)患者炎性因子的影响。方法:将220例房颤患者随机分为对照组111例和治疗组109例,对照组给予常规治疗,治疗组在对照组基础上口服稳心颗粒治疗。观察两组患者的临床疗效及治疗前后血清高敏C-反应蛋白(high-sensitivity Creaction protein,hs-CRP)、白细胞介素(interleukin,IL-6)和肿瘤坏死因子(tumor necrosis factor,TNF-α)的变化情况。结果:对照组有效率为58.6%,治疗组有效率为89.0%,两组患者临床疗效比较,差异具有统计学意义(P<0.05)。两组患者治疗后血清hs-CRP、IL-6、TNF-α优于治疗前,且治疗组优于对照组,差异均有统计学意义(P<0.05)。治疗过程中,稳心颗粒组患者未见明显副作用。结论:稳心颗粒治疗房颤疗效肯定,且无明显毒副反应。

关键词：心房颤动稳心颗粒炎性因子

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Adaptive sliding mode control of the A-axis used for blisk manufacturing

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Chinese Journal of Aeronautics 2014年第3期27卷 708-715页

作者： zhao Pengbing shi Yaoyao The Key Laboratory of Contemporary Design and Integrated Manufacturing Technology Ministry of EducationNorthwestern Polytechnical University

As a key assembly in the 5-axis CNC machine tools, positioning precision of the A-axis directly affects the machining accuracy and surface quality of the parts. First of all, mechanical structure and control system of the A-axis are designed. Then, considering the influence of nonlin- ear friction, backlash, unmodeled dynamics, uncertain cutting force and other external disturbance on the control precision of the A-axis, an adaptive sliding mode control （ASMC） based on extended state observer （ESO） is proposed. ESO is employed to estimate the state variables of the unknown system and an adaptive law is adopted to compensate for the input dead-zone caused by friction, backlash and other nonlinear characteristics. Finally, stability of the closed-loop system is guaran- teed by the Lyapunov theory. Positioning experiments illustrate the perfect estimation of ESO and the stronger anti-interference and robustness of ASMC, which can improve the control precision of the A-axis by about 40 times. Processing experiments show that the ASMC can reduce the waviness, averaKe error and roughness of the nrocessed surface by 35.63%, 31.31% and 30.35%, respectively.

关键词： A-axis Blisk processing Nonlinear compensation Positioning control Sliding mode control

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EVOLUTION OF SINGLE ELLIPTIC VORTEX RINGS

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Acta Mechanica Sinica 1997年第1期13卷 17-25页

作者： zhao, Y shi, XG Department of Mechanics and Engineering Science Peking University The State Key Laboratory for Turbulence Research Beijing China

The evolution of single elliptic vortex rings for initial aspect ratio (AR) = 2,4,6 has been studied. The incompressible Navier-Stokes equations are solved by a dealiased pseudo-spectral method with 64(3) grid points in a periodic cube. We find that there are three kinds of vortex motion as AR increases and bifurcation occurs at certain AR. The processes of advection, interaction and decay of vortex ring are discussed. Numerical results coincide with experiments and other authors' numerical simulation.

关键词： elliptic vortex ring pseudo-spectral method bifurcation vortex reconnection

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