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Low-density polyethylene microplastics partially alleviate the ecotoxicological effects induced by cadmium exposure on the earthworm Eisenia fetida

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Soil Ecology Letters 2024年第1期6卷 47-60页

作者： Song Zhang yating du Guangshen Shang Kejiao Hu Xing Wang College of Resources and Environmental Sciences China Agricultural UniversityBeijing 100193China Beijing Key Laboratory of Biodiversity and Organic Farming Beijing 100193China Organic Cycle Research Institute(Suzhou) China Agricultural UniversitySuzhou 215100China Key Laboratory of Plant-Soil Interactions Ministry of EducationBeijing 100193China

LDPE had no effect on the mortality,growth,and reproduction of earthworms.LDPE did not alter the mortality,growth,and reproduction of earth-worm caused by Cd.LDPE alleviated histopathological damage to earthworms caused by Cd.LDPE alleviated DNA damage in earthworm coelomocytes caused by Cd.LDPE did not affect the accumulation of Cd in earthworms.Cadmium(Cd)can accumulate in the food chain,with serious impacts on human health and safety.Microplastics(MPs)such as low-density polyethylene(LDPE)should be considered not only as a single pollutant but also as a carrier of other pollutants.In this study,we investigated the joint effects of 30%LDPE and 313 mg kg-1 Cd on mortality,growth,reproduction,microstructure,DNA damage,oxidative stress,and mRNA levels in the earthworm Eisenia fetida.We found that 313 mg kg-1 Cd inhibited growth and reproduction and damaged the microstructures of the skin and intestine.Meanwhile,LDPE had no effect on the mortality,growth,or cocoon production of earthworms.Moreover,it did not increase the mortality,growth,or inhibition of cocoon production caused by Cd and instead alleviated the DNA damage in coelomocytes caused by Cd treatment.Finally,it did not alter the accumulation of Cd in the worms.These indicators can be used for toxicity safety assessment and soil ecological risk assessment of LDPE and Cd cooccurrence in soil.

关键词： microplastics Eisenia fetida DNA damage histopathological damage heavy metals

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Effects of soybean oil exposure on the survival,reproduction,biochemical responses,and gut microbiome of the earthworm Eisenia fetida

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Journal of Environmental Sciences 2023年第11期133卷 23-36页

作者： yating du Guangshen Shang Junjie Zhai Xing Wang College of Resources and Environmental Sciences China Agricultural UniversityBeijing 100193China Beijing Key Laboratory of Biodiversity and Organic Farming Beijing 100193China Organic Recycling Research Institute(Suzhou) China Agricultural UniversitySuzhou 215100China

With increasing production of kitchen waste,cooking oil gradually enters the soil,where it can negatively affect soil fauna.In this study,we explored the effects of soybean oil on the survival,growth,reproduction,tissue structure,biochemical responses,mRNA expression,and gut microbiome of earthworms(Eisenia fetida).The median lethal concentration of soybean oil was found to be 15.59%.Earthworm growth and reproduction were significantly inhibited following exposure to a sublethal concentration of soybean oil(1/3 LC50,5.2%).The activity of the antioxidant enzymes total superoxide dismutase(T-SOD),peroxidase(POD),and catalase(CAT)were affected under soybean oil exposure.The glutathione(GSH)content decreased significantly,whereas that of the lipid peroxide malondialdehyde(MDA)increased significantly after soybean oil exposure.mRNA expression levels of the SOD,metallothionein(MT),lysenin and lysozyme were significantly upregulated.The abundance of Bacteroides species,which are related to mineral oil repair,and Muribaculaceae species,which are related to immune regulation,increased within the earthworm intestine.These results indicate that soybean oil waste is toxic to earthworms.Thus,earthworms deployed defense mechanisms involving antioxidant system and gut microbiota for protection against soybean oil exposure-induced stress.

关键词： Gene expression Gut microbiota Eisenia fetida Soybean oil Reproduction

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武汉道路步行环境对老年人缺血性心脏病住院风险的影响

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中国慢性病预防与控制 2024年第5期32卷 364-370页

作者：杜雅婷吴亚静秦孟雪邹宇量武汉大学公共卫生学院

目的量化评估武汉市道路步行环境与老年居民缺血性心脏病（ischemic heart disease,IHD）住院风险之间的关联，为制定针对性的预防策略提供依据。方法收集2017年1月1日至2018年12月31日，武汉市全部IHD老年住院患者信息以及城乡规划... 详细信息

目的量化评估武汉市道路步行环境与老年居民缺血性心脏病（ischemic heart disease,IHD）住院风险之间的关联，为制定针对性的预防策略提供依据。方法收集2017年1月1日至2018年12月31日，武汉市全部IHD老年住院患者信息以及城乡规划数据，共纳入武汉市178个街道的61 479名老年IHD住院患者。计算各街道的道路密度、交叉口密度、容积率、兴趣点（POI）密度、混合度、目的地可达性、归一化植被指数（NDVI）、土地利用类型等道路步行环境指标。使用R 4.1.3软件进行泊松回归，分析道路因素对IHD住院风险的影响程度。结果 61 479名老年IHD住院患者平均年龄为（75.7±8.8）岁。两年间武汉市老年居民平均IHD住院率为3.84%，男性和女性的平均住院率分别为4.11%和3.57%；慢性IHD有28 320人（46.1%），心绞痛24 190人（39.3%），急性心肌梗死6 861人（11.2%），其他急性IHD有1 986人（3.2%），急性心肌梗死后近期并发症82人（1.3‰），并发性心肌梗死40人（0.7‰）。泊松回归结果显示，道路密度高（β=0.013,95%CI:0.009～0.017）、周边容积率高（β=0.127,95%CI:0.001～0.243）、餐饮娱乐类POI密度高（β=0.001,95%CI:0.001～0.002）与老年居民IHD住院高风险相关，交叉口密度高（β=-0.001,95%CI:-0.001～-0.001）、医疗保健类POI密度高（β=-0.005,95%CI:-0.006～-0.004）、公园可达性好（β=-0.001,95%CI:-0.002～-0.001）、NDVI高（β=-0.121,95%CI:-0.165～-0.078）、土地利用类型为工业用地（β=-0.031,95%CI:-0.062～-0.000）或公共管理用地（β=-0.065,95%CI:-0.117～-0.014）与老年人IHD住院低风险相关。道路密度高（β=0.019）、周边容积率高（β=0.184）、餐饮娱乐类POI密度高（β=0.001）与男性IHD住院高风险相关，周边容积率高（β=0.048）、餐饮娱乐类POI密度高（β=0.001）与女性IHD住院高风险相关。道路密度高（β=0.006）与心绞痛住院高风险相关，道路密度高（β=0.001）和医疗保健类POI密度高（β=0.000）与急性心肌梗死住院高风险相关，道路密度高（β=0.008）、容积率高（β=0.071）及生活服务类POI密度高（β=0.001）与慢性IHD住院高风险相关，道路密度高（β=0.018）、生活服务类POI密度高（β=0.001）与老年IHD住院患者合并循环系统疾病高风险相关，均有统计学意义（P<0.05）。结论道路步行环境因素与老年居民IHD住院风险相关，密度过高的道路网络与IHD住院高风险相关，应重视道路步行环境的规划设计以方便老年人日常出行，降低IHD住院风险。

关键词：缺血性心脏病步行环境老年人住院风险

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妇女对农业节水影响研究——基于辽宁省凌源市调研数据

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中国农业资源与区划 2024年第2期45卷 28-37页

作者：刘韵非姜文来杜娅婷朱娅秋刘聪中国农业科学院农业资源与农业区划研究所北京100081 北方干旱半干旱耕地高效利用全国重点实验室北京100081 江西省农业科学院农业经济与信息研究所南昌330200

[目的]水资源短缺是影响我国国民经济高质量发展的重大资源环境问题,我国农业用水占总用水量60%以上。妇女是参与农业灌溉的重要力量,定量分析和科学评估妇女在农业节水中作用具有重要意义。[方法]文章基于对辽宁省凌源市的401份农户调... 详细信息

[目的]水资源短缺是影响我国国民经济高质量发展的重大资源环境问题,我国农业用水占总用水量60%以上。妇女是参与农业灌溉的重要力量,定量分析和科学评估妇女在农业节水中作用具有重要意义。[方法]文章基于对辽宁省凌源市的401份农户调查数据,利用计量方法分析妇女对农业节水的影响。[结果](1)农业灌溉中,妇女较男性更为节水,浇灌同一地块,妇女较男性用时少22%。(2)灌溉方式对男女节水存在显著差异,漫灌方式下男女用水差异显著,妇女较男性节水;滴灌、喷灌、微灌差异不显著,说明农业科技的应用模糊了农业灌溉中的性别差异。(3)种植结构对男女节水存在显著影响。种植经济作物女性灌溉时间比男性灌溉时间短,原因在于男性追求种植收益最大化,妇女注重成本收益比的降低。(4)农业收入占比对男女节水有显著影响,农业收入占比家庭总收入较高的农户,妇女较男性节水意愿更加强烈。[结论]妇女的节水行为受到家庭收入结构影响。同时,随着未来农业技术进步和农业节水灌溉基础设施的完善,农业灌溉用水的性别差异将逐步减小。

关键词：水资源妇女灌溉农业节水性别差异

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滇东南南溪河中下游懒猴种群分布与保护现状

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兽类学报 2024年第1期44卷 85-93页

作者：赵凯瑞廖琳鸿谢磊杜雅婷董鹏妹解萌倪庆永四川农业大学生命科学学院雅安625014 四川农业大学动物科技学院成都611130

蜂猴(Nycticebus bengalensis)与倭蜂猴(Xanthonycticebus intermedius)是国内现存的两种懒猴科灵长类,因其独特的生态及行为特点,具有重要的研究与保护价值。由于受到捕猎及栖息地丧失的持续威胁,懒猴种群持续下降,分布区日益缩减,但... 详细信息

蜂猴(Nycticebus bengalensis)与倭蜂猴(Xanthonycticebus intermedius)是国内现存的两种懒猴科灵长类,因其独特的生态及行为特点,具有重要的研究与保护价值。由于受到捕猎及栖息地丧失的持续威胁,懒猴种群持续下降,分布区日益缩减,但种群及分布调查的缺失阻碍了保护计划的制定与实施。滇东南是历史记载中懒猴分布的重要区域,并且是潜在的两个物种的同域分布范围。2022年10月至2023年9月,通过访问、网络及样线调查相结合的方式,对滇东南范围内河口和马关县辖区的懒猴种群分布及保护现状进行了详细评估,确定了9个懒猴集中分布点。结果表明,本区域仍是国内懒猴分布的重要范围,且是倭蜂猴分布最为集中的区域之一。当地民众对懒猴的认知尚处于较低水平,受教育程度、年龄及经济状况的显著影响。懒猴分布区域多位于保护区边缘,当前的保护措施缺乏针对性,需要加强监测管理,建设生态廊道并通过宣传教育提升当地民众意识。

关键词：蜂猴倭蜂猴生境破碎化保护意识

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Light People:Prof.Kei May Lau,newly elected US NAE member in Hong Kong,talks about future of photonics and women in science

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Light(Science & Applications) 2024年第4期13卷 602-608页

作者： yating Wan Chenzi Guo Electrical and Computer Engineering the ComputerElectrical and Mathematical Sciences and Engineering DivisionKing Abdullah University of Science and Technology23955-6900 ThuwalSaudi Arabia Changchun Institute of Optics Fine Mechanics and PhysicsChinese Academy of SciencesChangchunChina

Editorial Photonics technology remains a driving force in today’s scientific landscape,marked by continuous innovation and crossdisciplinary relevance.In an enlighting conversation with Light:Science&Applications,Prof.Kei May Lau,a pioneer in photonics research,shares her deep insights on the evolution of technologies of LEDs,lasers,challenges of hetero-epitaxy,and the future of micro-LEDs and quantum dot lasers.Recently honored as a member of the US National Academy of Engineering(NAE)for her significant contributions to photonics and electronics using III-V semiconductors on silicon,Prof.Lau stands out as the sole Hong Kong scholar inducted into the NAE this year,joining 114 new and 21 international members.In this exclusive Light People interview,Prof.Lau shares her journey as a pioneering woman in engineering,her commitment to mentorship and academia,and her perspective on advancing female representation in science.The summary provided is distilled from Prof.Lau’s thoughtful responses during the interview.For a deeper exploration of Prof.Lau’s experiences and advice,the full interview is available in the Supplementary material.

关键词： interview lighting driving

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The origins of catalytic selectivity for the electrochemical conversion of carbon dioxide to methanol

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Nano Research 2024年第1期17卷 5-17页

作者： Tian Wang yating Wang Yuhang Li Chunzhong Li Key Laboratory for Ultrafine Materials of Ministry of Education Shanghai Engineering Research Center of Hierarchical NanomaterialsFrontiers Science Center for Materiobiology and Dynamic ChemistrySchool of Materials Science and EngineeringEast China University of Science&TechnologyShanghai 200237China School of Chemical Engineering East China University of Science&TechnologyShanghai 200237China

The electrocatalytic conversion of carbon dioxide(CO_(2))into useful fuels and chemical feedstocks is an emerging route to alleviate global warming and reduce reliance on fossil fuels.Methanol(CH_(3)OH),as one of the most significant and widely used liquid fuels that can be generated by CO_(2)reduction,is essential in the chemical industry.In this minireview,we unravel the origins of the selective formation of CH_(3)OH via CO_(2)reduction,including catalyst composition designs,local structure modulations,and electrolyte/catalyst interface regulations.Finally,the remaining challenges and perspectives for the CO_(2)-to-CH_(3)OH reduction are proposed.

关键词： methanol carbon dioxide(CO_(2))reduction reaction electrochemistry electrocatalyst catalyst-electrolyte interface

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SIRT4 maintains mitochondrial oxidative phospharation of T cells during activation via mammalian target of rapamycin signalling

SIRT4 maintains mitochondrial oxidative phospharation of T c...

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第十四届全国免疫学学术大会

作者： Luyue Liu Zanzan Guo Rongqi Guo yating du Xiaofei Zhu School of Laboratory Medicine Xinxiang Medical University

Background:The naive T cells are quiescent with low metabolic requirements and mainly utilize oxidative phosphorylation to generate ATP.T cells are activated by T cell antigen receptor(TCR)-mediated recognition of antigen recognition and costimulatory signals,and nutrient substance produced by anabolism during activation are not only used for survival and homeostasis but also for proliferation and effector functions.Cell growth could be stimulated metabolically by mTOR signalling through anabolic processes,while energy production was maximized by AMPK signalling through catabolic processes,AMPK-mTOR signaling has been proven to play a critical role in T cells activation and metabolism.metabolism is closely coupled with T cells activation and function performance.SIRT4,a member of the Sirtuins family,is located in mitochondria and is a lysine deacetylase that controls leucine metabolism and insulin secretion.M eanwhile,It has also been reported to be a regulator of lipid homeostasis and a tumor suppressor molecule,playing an important role in regulating diabetes metabolism,obesity metabolism and tumor metabolism.However,the mechanism of SIRT4 in T cells activation metabolism is still unclear and needs to be further clarified.Goal:To investigate the effects of SIRT4 on the activation and metabolism of T cells mediated by AMPK-mTOR signal.Methods:1.After overexpressing SIRT4 in Jurkat cells,western blotting was used to detect the phosphorylation of mTOR,AMPKa,Raptor and AKT,and seahorse cell metabolism assay was used to determine the mitochondrial metabolism after CD3/CD28 stimulation;2.CD4T cells were selected from SIRT4 knockout mice,cell proliferation was measured by MTS after being cultured by CD3/CD28 and IL-2 for 5 days in vitro.Besides,mitochondrial metabolism was measured by seahorse cell metabolism assay after CD3/CD28 stimulation for 2 days.Results:Compared with the control group,SIRT4 overexpression of Jurkat results in the phosphorylation of mTOR and AKT decreased by about 79% and 25%,and the phosphoryla

关键词： SIRT4 T cell Metabolism mTOR signaling pathway

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HIF-1α signaling: Essential roles in tumorigenesis and implications in targeted therapies

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Genes & Diseases 2024年第1期11卷 234-251页

作者： Yan Zhao Cheng Xing yating Deng Can Ye Hongling Peng Department of Hematology The Second Xiangya HospitalCentral South UniversityChangshaHunan 410011China Hunan Key Laboratory of Tumor Models and Individualized Medicine The Second Xiangya HospitalCentral South UniversityChangshaHunan 410011China Hunan Engineering Research Center of Cell Immunotherapy for Hematopoietic Malignancies The Second Xiangya HospitalCentral South UniversityChangshaHunan 410011China

The hypoxic microenvironment is an essential characteristic of most malignant tu-mors.Notably,hypoxia-inducible factor-1 alpha(HIF-1a)is a key regulatory factor of cellular adaptation to hypoxia,and many critical pathways are correlated with the biological activity of organisms via HIF-1a.In the intra-tumoral hypoxic environment,HIF-1αis highly expressed and contributes to the malignant progression of tumors,which in turn results in a poor prog-nosis in patients.Recently,it has been indicated that HiF-1αinvolves in various critical pro-cesses of life events and tumor development via regulating the expression of HiF-1a target genes,such as cell proliferation and apoptosis,angiogenesis,glucose metabolism,immune response,therapeutic resistance,etc.Apart from solid tumors,accumulating evidence has re-vealed that HiF-1αis also closely associated with the development and progression of hemato-logical malignancies,such as leukemia,lymphoma,and multiple myeloma.Targeted inhibition of HiF-1a can facilitate an increased sensitivity of patients with malignancies to relevant ther-apeutic agents.In the review,we elaborated on the basic structure and biological functions of HIF-1a and summarized their current role in various malignancies.It is expected that they will have future potential fortargeted therapy.

关键词： Angiogenesis Hematological malignancies Hypoxia-inducible factor-1 alpha(HIF-1α) Immune escape Targeted therapy

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Degradation of iopamidol in the permanganate/sulfite process:Evolution of iodine species and effect on the subsequent formation of disinfection by-products

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Journal of Environmental Sciences 2024年第1期135卷 345-352页

作者： Yimin Lin Hongyu Dong yating Zhu Gongming Zhou Junlian Qiao Xiaohong Guan State Key Laboratory of Pollution Control and Resources Reuse College of Environmental Science and EngineeringTongji UniversityShanghai 200092China Department of Environmental Science School of Ecological and Environmental SciencesEast China Normal UniversityShanghai 200241China

Permanganate/sulfite(Mn(VII)/S(IV))process is a promising pre-oxidation technology for sequestering the emerging organic contaminants in drinking water treatment plant.Iopamidol(IPM),a representative of iodinated X-ray contrast media,has been widely detected in water sources and has the risk of forming iodinated disinfection byproducts(I-DBPs)in water treatment system.In this study,we investigated the evolution of iodine species during the IPM degradation by the Mn(VII)/S(IV)process and its effect on the subsequent formation of I-DBPs during chlorination at pH 7.0 and 8.0.IPM could be effectively degraded in the Mn(VII)/S(IV)process at environmentally relevant pH(pH 7.0 and 8.0).The results of quenching and competitive oxidation kinetic experiments revealed that SO^(·-)_(4)was the major reactive oxidizing species contributing to the degradation of IPM whereas the contributions of HO·and reactive manganese species were negligible in the Mn(VII)/S(IV)process.I–and IO–3were generated while no HOI was detected during the degradation of IPM in the Mn(VII)/S(IV)process.The effects of IPM oxidation by Mn(VII)/S(IV)on the subsequent formation of chlorinated disinfection by-products(Cl-DBPs)during chlorination were related to the category of Cl-DBPs.The pre-oxidation of IPM by Mn(VII)/S(IV)resulted in the generation of I-DBPs during the disinfection process although no I-DBPs were detected if no pre-oxidation was applied.The finding of this study suggested that attention should be paid to the toxicity of DBPs when water containing iodinated organic contaminants is treated by Mn(VII)/S(IV)process or other pre-oxidation technologies.

关键词： Permanganate/sulfite Iopamidol Sulfate radical Iodinated disinfection byproducts Pre-oxidation

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