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Tim4 deficiency reduces CD301b+macrophage and aggravates periodontitis bone loss

International Journal of Oral Science 2024年第2期16卷 280-292页

作者： Ziming Wang Hao Zeng Can Wang Jiaolong Wang Jing Zhang Shuyuan Qu Yue han Liu Yang Yueqi Ni Wenan Peng huan Liu hua Tang Qin Zhao Yufeng Zhang State Key Laboratory of Oral&Maxillofacial Reconstruction and Regeneration Key Laboratory of Oral Biomedicine Ministry of EducationHubei Key Laboratory of StomatologySchool&Hospital of StomatologyTaikang Center for Life and Medical SciencesWuhan UniversityWuhanChina School of Stomatology Nanchang UniversityNanchangChina Institute of Infection and Immunity Science and Technology Innovation CenterShandong First Medical University&Shandong Academy of Medical SciencesJinanChina Medical Research Institute School of MedicineWuhan UniversityWuhanChina

Periodontitis is a common chronic inflammatory disease that causes the periodontal bone destruction and may ultimately result in tooth *** the progression of periodontitis,the osteoimmunology microenvironment in periodontitis is damaged and leads to the formation of pathological alveolar bone ***301b^(+)macrophages are specific to the osteoimmunology microenvironment,and are emerging as vital booster for conducting bone ***,the key upstream targets of CD301b^(+)macrophages and their potential mechanism in periodontitis remain *** this study,we concentrated on the role of Tim4,a latent upstream regulator of CD301b^(+)*** first demonstrated that the transcription level of Timd4(gene name of Tim4)in CD301b^(+)macrophages was significantly upregulated compared to CD301b^(-) macrophages via high-throughput RNA ***,several Tim4-related functions such as apoptotic cell clearance,phagocytosis and engulfment were positively regulated by CD301b^(+)*** single-cell RNA sequencing analysis subsequently discovered that Cd301b and Timd4 were specifically co-expressed in *** following flow cytometric analysis indicated that Tim4 positive expression rates in total macrophages shared highly synchronized dynamic changes with the proportions of CD301b^(+)macrophages as periodontitis ***,the deficiency of Tim4 in mice decreased CD301b^(+)macrophages and eventually magnified alveolar bone resorption in ***,Tim4 controlled the p38 MAPK signaling pathway to ultimately mediate CD301b^(+)macrophages *** a word,Tim4 might regulate CD301b^(+)macrophages through p38 MAPK signaling pathway in periodontitis,which provided new insights into periodontitis immunoregulation as well as help to develop innovative therapeutic targets and treatment strategies for periodontitis.

关键词： period upstream eventually

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Rare earth element-modified MOF materials:synthesis and photocatalytic applications in environmental remediation

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Rare Metals 2024年第4期43卷 1390-1406页

作者： Shu-Kun Le Qi-Jie Jin Jia-Ao han hua-Cong Zhou Quan-Sheng Liu Fu Yang Jie Miao Pei-Pei Liu Cheng-Zhang Zhu Hai-Tao Xu Inner Mongolia Key Laboratory of High-Value Functional Utilization of Low Rank Carbon Resources Chemical Engineering CollegeInner Mongolia University of TechnologyHohhot010050China School of Environmental Science and Engineering Nanjing Tech UniversityNanjing210009China School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang212100China Institut National de la Recherche Scientifique-Énergie Matériaux et Télécommunications MontrealQCJ3X 1P7Canada

Metal-organic framework-like materials(MOFs)have been developed in the fields of photocatalysis for their excellent optical properties and physicochemical properties,including environmental remediation,CO_(2)photoreduction,water splitting,and so *** their important roles in various fields,rare earth elements have received growing interests from *** MOFs with rare earth elements for modification allows broadening the absorption spectrum,while the active electrons on their empty 4f orbitals can act as traps to capture photoexcited carriers to inhibit the recombination of electron-hole pairs,thus promoting photocatalytic ***,rare earth elements modified MOFs provide an attractive way to achieve their high value *** this mini-review,the synthesis of rare earth element-modified MOFs photocatalysts and corresponding applications in the removal of antibiotics,CO_(2)reduction,and hydrogen production are constructively summarized and ***,the latest advancements and current difficulties of these materials as well as the application prospects are also provided.

关键词： Rare earth metals MOFs Photocatalytic CO_(2) reduction Environmental remediation Water splitting

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General anesthetic agents induce neurotoxicity through oligodendrocytes in the developing brain

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Zoological Research 2024年第3期45卷 691-703页

作者： Wen-Xin hang Yan-Chang Yang Yu-han Hu Fu-Quan Fang Lang Wang Xing-hua Qian Patrick M.McQuillan Hui Xiong Jian-hang Leng Zhi-Yong Hu Department of Anesthesiology First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang 310003China Department of Cell Biology Yale UniversityNew HavenCT 06520USA Department of Neurology of the First Affiliated Hospital Interdisciplinary Institute of Neuroscience and TechnologySchool of Brain Science and Brain MedicineZhejiang University School of MedicineHangzhouZhejiang 310027China Department of Anesthesiology Jiaxing Maternity and Childcare Health HospitalJiaxingZhejiang 314009China Department of Anesthesiology Penn State Hershey Medical CentrePenn State College of MedicineHersheyPA 17033USA Department of Central Laboratory Affiliated Hangzhou First People’s HospitalWestlake University School of MedicineHangzhouZhejiang 310006China

General anesthetic agents can impact brain function through interactions with neurons and their effects on glial *** perform essential roles in the central nervous system,including myelin sheath formation,axonal metabolism,and neuroplasticity *** are particularly vulnerable to the effects of general anesthetic agents resulting in impaired proliferation,differentiation,and *** are increasingly interested in the effects of general anesthetic agents on *** agents not only act on the surface receptors of oligodendrocytes to elicit neuroinflammation through modulation of signaling pathways,but also disrupt metabolic processes and alter the expression of genes involved in oligodendrocyte development and *** this review,we summarize the effects of general anesthetic agents on *** anticipate that future research will continue to explore these effects and develop strategies to decrease the incidence of adverse reactions associated with the use of general anesthetic agents.

关键词： Oligodendrocytes General anesthetic agents Neurotoxicity Central nervous system Perioperative neurocognitive disorders

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Comparative analysis of primate and pig cells reveals primate-specific PINK1 expression and phosphorylation

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Zoological Research 2024年第2期45卷 242-252页

作者： Xiu-Sheng Chen Rui han Yan-Ting Liu Wei huang Qi Wang Xin Xiong Ying Zhang Jian-Guo Zhao Shi-hua Li Xiao-Jiang Li Wei-Li Yang Guangdong Key Laboratory of Non-human Primate Research Key Laboratory of CNS Regeneration(Ministry of Education)GHM Institute of CNS RegenerationJinan UniversityGuangzhouGuangdong 510632China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China University of Chinese Academy of Sciences Beijing 100049China

PTEN-induced putative kinase 1(PINK1),a mitochondrial kinase that phosphorylates Parkin and other proteins,plays a crucial role in mitophagy and protection against *** in PINK1 and Parkin can lead to loss of function and early onset Parkinson's ***,there is a lack of strong in vivo evidence in rodent models to support the theory that loss of PINK1 affects mitophagy and induces ***,PINK1 knockout pigs(Sus scrofa)do not appear to exhibit *** our recent work involving non-human primates,we found that PINK1 is selectively expressed in primate brains,while absent in rodent *** extend this to other species,we used multiple antibodies to examine the expression of PINK1 in pig *** contrast to tissues from cynomolgus monkeys(Macaca fascicularis),our data did not convincingly demonstrate detectable PINK1expression in pig *** of PINK1 in cultured pig cells did not result in altered Parkin and BAD phosphorylation,as observed in cultured monkey cells.A comparison of monkey and pig striatum revealed more PINK1-phosphorylated substrates in the monkey ***,PINK1 knockout in pigs did not lead to obvious changes in the phosphorylation of Parkin and *** findings provide new evidence that PINK1expression is specific to primates,underscoring the importance of non-human primates in investigating PINK1function and pathology related to PINK1 deficiency.

关键词： PINK1 Parkin Mitochondria Phosphorylation Non-human primates Pigs

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血管活性物质在大鼠肝肺综合征发病机制中的作用

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世界华人消化杂志 2008年第10期16卷 1053-1058页

作者：颜玉鲍秀琦王艳遇常红韩桂华姜威佳木斯大学附属第一医院消化内科黑龙江省佳木斯市154002 北京丰台医院北京市100070

目的:探讨内皮素-1(endothelin-1,ET-1)、一氧化氮(nitric oxide,NO)、降钙素基因相关肽(calcitonin gene-related peptide,CGRP)在大鼠肝肺综合征(hepatopulmonary syndrome,HPS)发病机制中的作用.方法:健康Wistar大鼠32只随机平均分为假手术组、CBDL术后3wk组、4wk组、5wk组.采用胆总管结扎(common bile duct ligation,CBDL)术制备大鼠HPS模型成功后,行肝功能及肝肺病理检查.放射免疫分析法检测大鼠血浆和肝组织、肺组织匀浆中ET-1和CGRP的水平,利用硝酸还原酶法检测大鼠血清和肝、肺组织匀浆中NO的水平.结果:在大鼠HPS形成过程中,肝细胞变性、坏死,大量纤维组织增生,形成假小叶.肺泡毛细血管增生、扩张,伴肺泡间隔增宽、容量减小.术后3-5wk,CBDL组大鼠血浆和肝、肺组织匀浆中ET-1、NO、CGRP水平显著升高,且与ALT水平呈正相关(血浆,ET-1:r=0.9889,P=0.0111;NO:r=0.9935,P=0.0065;CGRP:r=0.9714,P=0.0286;肝组织:r=0.9969,P=0.0035;r=0.9993,P=0.0070;r=0.9507,P=0.0493;肺组织:r=0.9939,P=0.0061;r=0.9991,P=0.0009;r=0.9557,P=0.0443).结论:在大鼠HPS形成过程中,血浆和肝、肺组织匀浆中ET-1,NO和CGRP水平持续升高,提示血管活性物质ET-1,NO和CGRP在其发病机制中可能起着一定作用.

关键词：肝肺综合征内皮素-1 一氧化氮降钙素基因相关肽放射免疫法硝酸还原酶法

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Leukopenia-a rare complication secondary to invasive liver abscess syndrome in a patient with diabetes mellitus:A case report

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World Journal of Gastrointestinal Surgery 2024年第10期16卷 3343-3349页

作者： Chun-Yan Niu Bang-Tao Yao hua-Yi Tao Xin-gui Peng Qing-hua Zhang Yue Chen Lu Liu Department of Gastroenterology Nanjing Lishui People’s HospitalZhongda Hospital Lishui BranchSoutheast UniversityNanjing 211200Jiangsu ProvinceChina Department of Ophthalmology Nanjing Lishui People’s HospitalNanjing 211200Jiangsu ProvinceChina Department of Medical Imaging Nanjing Lishui People’s HospitalZhongda Hospital Lishui BranchSoutheast UniversityNanjing 210009Jiangsu ProvinceChina

BACKGROUND Thrombocytopenia is a common complication of invasive liver abscess syndrome(ILAS)by Klebsiella pneumoniae(***)infection,which indicates severe infection and a poor ***,the presence of leukopenia is *** are rare reports on leukopenia and its clinical significance for ILAS,and there is currently no recognized treatment *** and broad-spectrum antimi-crobial therapy may be an effective therapy for treating ILAS and improving its *** SUMMARY A 55-year-old male patient who developed fever,chills,and abdominal distension without an obvious cause presented to the hospital for *** tests revealed thrombocytopenia,leukopenia,and multiple organ *** examinations revealed an abscess in the right lobe of the liver and thromboph-lebitis,and *** was detected in the blood *** the patient was diabetic and had multi-system involvement,he was diagnosed with ILAS accom-panied by leukopenia and *** antibiotic treatment and sys-temic supportive therapy,the symptoms disappeared,and the patient’s condition almost completely *** Leukopenia is a rare complication of ILAS,which serves as an indicator of adverse prognostic outcomes and the severity of infection.

关键词： Invasive liver abscess syndrome Klebsiella pneumoniae Leukopenia Thrombocytopenia Treatment Prognosis Case report

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LAZY4 acts additively with the starch-statolithdependent gravity-sensing pathway to regulate shoot gravitropism and tiller angle in rice

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Plant Communications 2024年第10期5卷 154-165页

作者： Wenguang Wang Linzhou huang Yuqi Song Songtao gui Jiajia Cao han Zhang Mengchen Du Jiaze Chen Zihao Wang Jie Zhou Xiangbing Meng Dali Zeng Jiayang Li Yonghong Wang National Key Laboratory of Wheat Improvement College of Life SciencesShandong Agricultural UniversityTai’an 271018China Institute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100039China Yazhouwan National Laboratory Sanya 572024China College of Advanced Agricultural Sciences Zhejiang A&F UniversityHangzhou 311300China

Rice tiller angle is a key agronomic trait that has significant effects on the establishment of a high-yield rice ***,the molecular mechanism underlying the control of rice tiller angle remains to be clar***,we characterized the novel tiller-angle gene LAZY4(LA4)in rice through map-based ***4 encodes a C3H2C3-type RING zinc-finger E3 ligase localized in the nucleus,and an in vitro ubiquitination assay revealed that the conserved RING finger domain is essential for its E3 ligase *** found that expression of LA4 can be induced by gravistimulation and that loss of LA4 function leads to defective shoot gravitropism caused by impaired asymmetric auxin redistribution upon *** analysis demonstrated that LA4 acts in a distinct pathway from the starch biosynthesis regulators LA2 and LA3,which function in the starch-statolith-dependent *** genetic analysis showed that LA4 regulates shoot gravitropism and tiller angle by acting upstream of LA1 to mediate lateral auxin transport upon *** studies reveal that LA4 regulates shoot gravitropism and tiller angle upstream of LA1 through a novel pathway independent of the LA2-LA3-mediated gravity-sensing mechanism,providing new insights into the rice tiller-angle regulatory network.

关键词： auxin shoot gravitropism tiller angle LAZY4 rice

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Mesoscale and Microphysical Characteristics of a Double Rain Belt Event in South China on May 10–13,2022

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Journal of Tropical Meteorology 2024年第1期30卷 61-75页

作者：郭照华谌芸肖天贵曾智琳 School of Atmospheric Sciences Chengdu University of Information TechnologyChengdu 610225 China National Meteorological Center Beijing 100081 China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) ZhuhaiGuangdong 519082 China Guangdong Meteorological Observatory Guangzhou 510640 China

A second rain belt sometimes occurs ahead of a frontal rain belt in the warm sector over coastal South China,leading to heavy *** examined the differences in the mesoscale characteristics and microphysics of the frontal and warm sector rain belts that occurred in South China on May 10–13,*** southern rain belt occurred in an environment with favorable mesoscale conditions but weak large-scale *** contrast,the northern rain belt was related to low-level horizontal shear and the surface-level *** interaction between the enhanced southeasterly winds and the rainfall-induced cold pool promoted the persistent growth of convection along the southern rain *** convective cell propagated east over the coastal area,where there was a large temperature *** bow-shaped echo in this region may be closely related to the rear-inflow *** contrast,the initial convection of the northern rain belt was triggered along the front and the region of low-level horizontal shear,with mesoscale interactions between the enhanced warm-moist southeasterly airflow and the cold dome associated with the earlier *** terrain blocked the movement of the cold pool,resulting in the stagnation of the frontal convective cell at an early ***,a meso-γ-scale vortex formed during the rapid movement of the convective cell,corresponding to an enhancement of *** representative raindrop spectra for the southern rain belt were characterized by a greater number and higher density of raindrops than the northern rain belt,even though both resulted in comparable hourly *** results help us better understand the characteristics of double rain belts over South China.

关键词： double rain belts in South China mesoscale rainstorm cyclonic shear line cold pool bow-shaped echo microphysical characteristics

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Mitigating kinetic hindrance of single-crystal Ni-rich cathodes through morphology modulation,nickel reduction,and lithium vacancy generation achieved by terbium doping

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Journal of Energy Chemistry 2024年第10期97卷 566-574,I0012页

作者： Jiyuan Jian Shuang Lin Guokang han Xianglian Zhan Yinghui Shan Rang Xiao Ziwei Liu Dandan Sun Xin Zhang Qingjie Zhou Geping Yin hua Huo Yulin Ma Pengjian Zuo Xinqun Cheng Chunyu Du State Key Laboratory of Space Power-sources School of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbin 150001HeilongjiangChina Zibo Torch Energy Co.Ltd Zibo 255051ShandongChina

Single crystallization has proven to be effective in enhancing the capacity and stability of Ni-rich LiNi_(1-x-y)Co_(x)Mn_(y)O_(2)(SNCM)cathode materials,particularly at high cut-off ***,the synthesis of high-quality single-crystal particles remains challenging because of severe particle agglomeration and irregular ***,the limited kinetics of solid-phase Li^(+)diffusion pose a significant concern because of the extended diffusion path in large single-crystal *** address these challenges,we developed a Tb-doped single-crystal LiNi_(0.83)Co_(0.11)Mn_(0.06)O_(2)(SNCM-Tb)cathode material using a straightforward mixed molten salt sintering *** Tb-doped Ni-rich single crystals presented a quasi-spherical morphology,which is markedly different from those reported in previous ***^(4+)oping significantly enhanced the dynamic transport of Li^(+)ions in the layered oxide phase by reducing the Ni valence state and creating Li vacancies.A SNCM-Tb material with 1 at%Tb doping shows a Li^(+)diffusion coefficient up to more than 9 times higher than pristine SNCM in the non-diluted *** situ X-ray diffraction analysis demonstrated a significantly facilitated H1-H2-H3 phase transition in the SNCM-Tb materials,thereby enhancing their rate capacity and structural ***-Tb exhibited a reversible capacity of 186.9 mA h g^(-1)at 5 C,retaining 94.6%capacity after 100 cycles at 0.5 C under a 4,5 V *** study elucidates the Tb^(4+)doping mechanisms and proposes a scalable method for enhancing the performance of single-crystal Ni-rich NCM materials.

关键词： Lithium-ion batteries Ni-rich layered oxides Single crystals Tb^(4+) doping Li^(+) diffusion kinetics

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High‐fat‐diet‐induced obesity promotes simultaneous progression of lung cancer and atherosclerosis in apolipoprotein E‐knockout mice

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Cancer Innovation 2024年第4期3卷 103-112页

作者： Yihao Wang Kaixin Yan han Duan Ning Tao Shaoning Zhu Yuning Zhang Yonggang You Zhen Zhang hua Wang Shunying Hu Department of Cardiology Chinese PLA General HospitalBeijingChina Beijing Institute of Radiation Medicine BeijingChina Department of Orthopaedics Chinese PLA General HospitalBeijingChina

Background:Clinical studies have shown that atherosclerotic cardiovascular disease and cancer often co‐exist in the same *** present study aimed to investigate the role of high‐fat‐diet(HFD)‐induced obesity in the coexistence of the two diseases and the underlying mechanism in apolipoprotein E‐knockout(ApoE^(−/−))***:Male ApoE^(−/−)mice were fed with a HFD or a normal diet(ND)for 15 *** the first day of Week 13,the mice were inoculated subcutaneously in the right axilla with Lewis lung cancer *** Weeks 12 and 15,serum lectin‐like oxidized low‐density lipoprotein receptor‐1(LOX‐1)and vascular endothelial growth factor levels were measured by enzyme‐linked immunosorbent assay,and blood monocytes and macrophages were measured by fluorescence‐activated cell *** Week 15,the volume and weight of the local subcutaneous lung cancer and metastatic lung cancer and the amount of aortic atherosclerosis were ***:At Week 15,compared with mice in the ND group,those in the HFD group had a larger volume of local subcutaneous cancer(p=0.0004),heavier tumors(p=0.0235),more metastatic cancer in the lungs(phan those in the ND group(p=0.0002,p=0.0029,p=0.0480,and p=0.0106,respectively);this trend persisted until Week 15(p=0.0014,p=0.0012,p=0.0001,and p=0.0204).Conclusions:In this study,HFD‐induced obesity could simultaneously promote progression of lung cancer and atherosclerosis in the same ***‐induced upregulation of LOX‐1 may play an important role in the simultaneous progression of these two conditions via the inflammatory response and VEGF.

关键词： atherosclerosis high‐fat diet LOX‐1 lung cancer obesity

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