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Serum metabolism alteration behind different etiology, diagnosis, and prognosis of disorders of consciousness

中华神经外科杂志(英文) 2024年第03期10卷 199-210页

作者： Ge Qianqian Lu Hezhen Geng Xiaoli Chen Xueling Liu Xiaoyan sun haidan Guo Zhengguang sun Jiameng Qi Feng Niu Xia Wang Aiwei He Jianghong sun Wei Xu Long Department of Neurosurgery Beijing Tiantan Hospital Capital Medical University Beijing China China-Japan Union Hospital of Jilin University Changchun China Core Instrument Facility Institute of Basic Medical Sciences Chinese Academy of Medical Sciences School of Basic Medicine Peking Union Medical College Beijing China China National Clinical Research Center for Neurological Diseases (NCRC-ND) Beijing China

Background Patients with disorders of consciousness (DoC) exhibit varied revival outcomes based on different etiologies and diagnoses, the mechanisms of which remain largely unknown. The fluctuating clinical presentations in DoC pose challenges in accurately assessing consciousness levels and prognoses, often leading to misdiagnoses. There is an urgent need for a deeper understanding of the physiological changes in DoC and the development of objective diagnostic and prognostic biomarkers to improve treatment *** To explore biomarkers and understand the biological processes, we conducted a comprehensive untargeted metabolomic analysis on serum samples from 48 patients with DoC. Patients were categorized based on etiology (TBI vs. non-TBI), CRS-R scores, and prognosis. Advanced analytical techniques, including PCA and OPLS-DA models, were employed to identify differential *** Our analysis revealed a distinct separation in metabolomic profiles among the different groups. The primary differential metabolites distinguishing patients with varying etiologies were predominantly phospholipids, with a notable decrease in glycerophospholipids observed in the TBI group. Patients with higher CRS-R scores exhibited a pattern of impaired carbohydrate metabolism coupled with enhanced lipid metabolism. Notably, serum concentrations of both LysoPE and PE were reduced in patients with improved outcomes, suggesting their potential as prognostic *** Our study underscores the critical role of phospholipid metabolism in the brain’s metabolic alterations in patients with DoC. It identifies key biomarkers for diagnosis and prognosis, offering insights that could lead to novel therapeutic targets. These findings highlight the value of metabolomic profiling in understanding and potentially treating DoC.

关键词： Disorders of consciousness Serum biomarkers Untargeted metabolomic analysis

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Continuously released Zn^(2+)in 3D-printed PLGA/β-TCP/Zn scaffolds for bone defect repair by improving osteoinductive and anti-inflammatory properties

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Bioactive Materials 2023年第6期24卷 361-375页

作者： Chunxu Li Fengbo sun Jingjing Tian Jiahao Li haidan sun Yong Zhang Shigong Guo Yuanhua Lin Xiaodan sun Yu Zhao Department of Orthopedics Peking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing100730China State Key Laboratory of Advanced Ceramics and Fine Processing School of MaterialsTsinghua UniversityBeijingChina Medical Science Research Center Peking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Core Facility of Instrument Institute of Basic Medical SciencesChinese Academy of Medical Sciences and School of Basic MedicinePeking Union Medical CollegeBeijingChina The State Key Laboratory of Medical Molecular Biology Institute of Basic Medical SciencesChinese Academy of Medical Sciences and School of Basic MedicinePeking Union Medical CollegeBeijingChina Department of Rehabilitation Medicine Southmead HospitalBristolUK

Long-term nonunion of bone defects has always been a major problem in orthopedic *** bone graft materials such as Poly(lactic-co-glycolic acid)/β-tricalcium phosphate(PLGA/β-TCP)scaffolds are expected to solve this problem due to their suitable degradation rate and good ***,insufficient mechanical properties,lack of osteoinductivity and infections after implanted limit its large-scale clinical ***,we proposed a novel bone repair bioscaffold by adding zinc submicron particles to PLGA/β-TCP using low temperature rapid prototyping 3D printing *** first screened the scaffolds with 1 wt%Zn that had good biocompatibility and could stably release a safe dose of zinc ions within 16 weeks to ensure long-term *** designed,the scaffold had a multi-level porous structure of biomimetic cancellous bone,and the Young’s modulus(63.41±1.89 MPa)and compressive strength(2.887±0.025 MPa)of the scaffold were close to those of cancellous *** addition,after a series of in vitro and in vivo experiments,the scaffolds proved to have no adverse effects on the viability of BMSCs and promoted their adhesion and osteogenic differentiation,as well as exhibiting higher osteogenic and anti-inflammatory properties than PLGA/β-TCP scaffold without zinc *** also found that this osteogenic and anti-inflammatory effect might be related to Wnt/β-catenin,P38 MAPK and NFkB *** study lay a foundation for the follow-up study of bone regeneration mechanism of Zn-containing *** envision that this scaffold may become a new strategy for clinical treatment of bone defects.

关键词： 3D printing Zinc submicron particles Osteoinductivity Anti-inflammatory Bone defect repair

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Proteomic survey towards the tissue-specific proteins of mouse mitochondria

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Science China(Life Sciences) 2011年第1期54卷 3-15页

作者： WANG Yuan sun haidan RU YaWei YIN SongYue YIN Liang LIU SiQi Beijing Institute of Genomics Chinese Academy of Sciences Beijing 101300 China

Mitochondrion plays the key functions in mammalian cells. It is believed that mitochondrion exerts the common biologic functions in many tissues, but also performs some specific functions correspondent with tissues where it is localized. To identify the tissue-specific mitochondrial proteins, we carried out a systematic survey towards mitochondrial proteins in the tissues of C57BL/6J mouse, such as liver, kidney and heart. The mitochondrial proteins were separated by 2DE and identified by MALDI-TOF/TOF MS. Total of 87 unique proteins were identified as the tissue-specific ones, and some representatives were further verified through ICPL quantification and Western blot. Because these issue-specific proteins are coded from nuclear genes, real-time PCR was employed to examine the mRNA status of six typical genes found in the *** combining of the expression data and the co-localization images obtained from confocal microscope, we came to the conclusion that the tissue-specifically mitochondrial proteins were widely distributed among the mouse tissues. Our investigation, therefore, indeed provides a solid base to further explore the biological significance of the mitochondrial proteins with tissue-orientation.

关键词： proteomics tissue-specific mitochondria

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A Global Multiregional Proteomic Map of the Human Cerebral Cortex

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Genomics, Proteomics & Bioinformatics 2022年第4期20卷 614-632页

作者： Zhengguang Guo Chen Shao Yang Zhang Wenying Qiu Wenting Li Weimin Zhu Qian Yang Yin Huang Lili Pan Yuepan Dong haidan sun Xiaoping Xiao Wei sun Chao Ma Liwei Zhang Core Facility of Instrument Institute of Basic Medical SciencesChinese Academy of Medical SciencesSchool of Basic MedicinePeking Union Medical CollegeBeijing 100005China State Key Laboratory of Proteomics Beijing Proteome Research CenterNational Center for Protein Sciences(Beijing)Beijing Institute of LifeomicsBeijing 102206China Department of Neurosurgery China National Clinical Research Center for Neurological DiseasesBeijing Tiantan HospitalCapital Medical UniversityBeijing 100050China Department of Human Anatomy Histologyand EmbryologyInstitute of Basic Medical SciencesNeuroscience CenterChinese Academy of Medical SciencesSchool of Basic MedicinePeking Union Medical CollegeBeijing 100005China

The Brodmann area(BA)-based map is one of the most widely used cortical maps for studies of human brain functions and in clinical practice;however,the molecular architecture of BAs remains *** present study provided a global multiregional proteomic map of the human cerebral cortex by analyzing 29 *** 29 BAs were grouped into 6 clusters based on similarities in proteomic patterns:the motor and sensory cluster,vision cluster,auditory and Broca’s area cluster,Wernicke’s area cluster,cingulate cortex cluster,and heterogeneous function *** identified 474 cluster-specific and 134 BA-specific signature proteins whose functions are closely associated with specialized functions and disease vulnerability of the corresponding cluster or *** findings of the present study could provide explanations for the functional connections between the anterior cingulate cortex and sensorimotor cortex and for anxiety-related function in the sensorimotor *** brain transcriptome and proteome comparison indicates that they both could reflect the function of cerebral cortex,but show different *** proteomic data are publicly available at the Human Brain Proteome Atlas(***).Our results may enhance our understanding of the molecular basis of brain functions and provide an important resource to support human brain research.

关键词： Brodmann area Proteomics Cerebral cortex Cingulate cortex Sensorimotor cortex

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结直肠癌患者尿液中20种氨基酸靶向代谢组特征研究

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中国实验诊断学 2024年第4期28卷 395-401页

作者：祁峰孙玉琳刘佳琦郭正光刘晓燕孙海丹何成彦赵晓航孙伟中国医学科学院基础医学研究所·北京协和医学院基础学院药理系北京100005 国家癌症中心·国家癌症临床研究中心·中国医学科学院癌症医院分子肿瘤国家重点实验室北京100021 吉林大学中日联谊医院检验科吉林长春130033

目的探究20种常见氨基酸在结直肠癌(CRC)患者的尿液特征;寻找CRC诊断的生物学标志物。方法纳入100名健康对照者和113名CRC患者(Ⅰ期27例,Ⅱ期28例,Ⅲ期34例,Ⅳ期24例),基于超高效液相色谱串联质谱法对尿液中的20种常见氨基酸应用多反应... 详细信息

目的探究20种常见氨基酸在结直肠癌(CRC)患者的尿液特征;寻找CRC诊断的生物学标志物。方法纳入100名健康对照者和113名CRC患者(Ⅰ期27例,Ⅱ期28例,Ⅲ期34例,Ⅳ期24例),基于超高效液相色谱串联质谱法对尿液中的20种常见氨基酸应用多反应监测技术进行靶向定量分析,应用统计学方法分析CRC患者与健康对照氨基酸含量差异,并构建CRC诊断模型。结果CRC患者尿液中16种氨基酸含量与健康对照差异有统计学意义,Ⅰ,Ⅱ,Ⅲ和Ⅳ期各自有9种,15种,14种,17种氨基酸含量与健康对照差异有统计学意义。由异亮氨酸,天冬酰胺,脯氨酸,组氨酸,酪氨酸,苯丙氨酸6种氨基酸构建的生物标志物组合用于CRC诊断的AUC值在发现组/验证组分别为0.857/0.851,在Ⅰ,Ⅱ,Ⅲ和Ⅳ期CRC的AUC值分别为0.847,0.843,0.897,0.896。结论尿液中20种氨基酸含量变化可以用于CRC诊断,为CRC的早期诊断提供了新的研究思路。

关键词：氨基酸尿液靶向分析结直肠癌

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Proteomic analysis of human frontal and temporal cortex using iTRAQ-based 2D LCMS/MS

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Chinese Neurosurgical Journal 2021年第4期7卷 236-248页

作者： Long Xu haidan sun Yang Zhang Zhengguang Guo Xiaoping Xiao Xin Zhou Kun Hu Wei sun Bo Wang Weiming Liu Department of Neurosurgery Beijing Tiantan HospitalCapital Medical UniversityNo.119 West RoadSouth Fourth Ring RoadBeijing 100070China China National Clinical Research Center for Neurological Diseases(NCRC-ND) Beijing 100070China Core Facility of Instrument School of Basic Medicine Chinese Academy of Medical SciencesInstitute of Basic Medicine Peking Union Medical College5 Dong Dan San TiaoBeijing 100005China State Key Laboratory of Brain and Cognitive Science Institute of BiophysicsChinese Academy of Sciences15 Datun RoadBeijing 100101China

Background:The human brain is the most complex organ in the body,and it is important to have a better understanding of how the protein composition in the brain regions contributes to the pathogenesis of associated neurological ***:In this study,a comparative analysis of the frontal and temporal cortex proteomes was conducted by isobaric tags of relative and absolute quantification(iTRAQ)labeling and two-dimensional liquid chromatographytandem mass spectrometry(2D LC-MS/MS).Brain protein was taken from relatively normal tissue that could not be avoided of damage during emergent surgery of the TBI(traumatic brain injury)patients admitted in Beijing Tiantan Hospital from 2014 to *** cases were *** frontal lobes and 4 temporal lobes proteome were analyzed and the proteins were *** Ontology(GO),Ingenuity Pathway Analysis(IPA),and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway analysis were used to analyze the biological function of identified proteins,unchanged proteins,and differentially expressed proteins(DEPs).Results:A total number of 2127 protein groups were identified in the frontal and temporal lobe proteomes.A total of 1709 proteins could be quantitated in both the frontal and temporal *** 90 DEPs,14 proteins were screened highly expressed in the temporal cortex,including MAPT,SNCG,ATP5IF1,GAP43,HSPE1,STMN1,NDUFS6,LDHB,SNCB,NDUFA7,MRPS36,EPDR1,CISD1,and *** addition,compared to proteins expressed in the frontal cortex,14 proteins including EDC4,NIT2,VWF,ASTN1,TGM2,SSB,CLU,HBA1,STOM,CRP,LRG1,SAA2,S100A4,and VTN were a low expression in the temporal *** biological process enrichment showed that unchanged proteins between the frontal and temporal cortex mainly take part in regulated exocytosis,axon guidance,and vesicle-mediated *** KEGG pathway analysis showed that unchanged proteins between the frontal and temporal cortex mainly take part in oxidative phosphorylation,carbon metabolism,H

关键词： Frontal cortex Temporal cortex iTRAQ Proteomics 2D-LC-MS/MS

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数字化DPSK调制解调器的研究

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科学技术与工程 2006年第14期6卷 2138-2141页

作者：孙海丹大连电子学校大连116000

现代通信系统要求通信距离远、通信容量大、传输质量好。作为其关键技术之一的调制解调技术一直是人们研究的一个重要方向。讨论和仿真实现了基于FPGA的数字化DPSK调制解调系统。用Altera公司的FPGA开发平台QuartusII3.0实现了一个对基... 详细信息

现代通信系统要求通信距离远、通信容量大、传输质量好。作为其关键技术之一的调制解调技术一直是人们研究的一个重要方向。讨论和仿真实现了基于FPGA的数字化DPSK调制解调系统。用Altera公司的FPGA开发平台QuartusII3.0实现了一个对基带信号的DPSK调制解调系统模型的仿真。

关键词：调制解调 DPSK 现场可编程门阵列(FPGA) Quartus II

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达尔西利在乳腺癌治疗中的研究进展

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中国临床药理学与治疗学 2024年第6期29卷 715-720页

作者：都彩莹全香花孙彩红元海丹延边大学药学院吉林延吉133002 青岛大学附属医院药学部山东青岛266003

达尔西利是首个国产原研的细胞周期蛋白依赖性激酶4/6抑制剂,国家药品监督管理局已批准其联合氟维司群或芳香化酶抑制剂治疗激素受体阳性/人表皮生长因子受体2阴性的晚期或转移性乳腺癌。本文主要介绍了达尔西利在乳腺癌中的研究进展,... 详细信息

达尔西利是首个国产原研的细胞周期蛋白依赖性激酶4/6抑制剂,国家药品监督管理局已批准其联合氟维司群或芳香化酶抑制剂治疗激素受体阳性/人表皮生长因子受体2阴性的晚期或转移性乳腺癌。本文主要介绍了达尔西利在乳腺癌中的研究进展,总结药物的作用机制、Ⅰ-Ⅲ期临床试验、以及药物安全性等问题。

关键词：达尔西利细胞周期蛋白依赖性激酶4/6 乳腺癌临床试验

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哌柏西利致不良反应文献分析

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现代药物与临床 2024年第3期39卷 740-746页

作者：都彩莹全香花孙彩红元海丹延边大学药学院吉林延吉133002 青岛大学附属医院药学部山东青岛266003

目的探讨哌柏西利致不良反应的发生规律和临床表现特点,为其临床安全用药提供参考。方法检索中国知网、万方数据、维普网、PubMed、Web of Science文献数据库中建库至2023年12月哌柏西利致不良反应案例报道并进行统计分析。结果纳入文... 详细信息

目的探讨哌柏西利致不良反应的发生规律和临床表现特点,为其临床安全用药提供参考。方法检索中国知网、万方数据、维普网、PubMed、Web of Science文献数据库中建库至2023年12月哌柏西利致不良反应案例报道并进行统计分析。结果纳入文献40篇,涉及患者44例,均为女性且以60岁以上患者居多;发生时间为用药后1 d~15个月,主要集中在前3个月内(63.64%);累及皮肤、呼吸系统、血液系统、神经系统等全身多个器官/系统。33例患者经停药和/或对症处理后好转,6例患者死亡,可见其潜在的致死风险。结论临床工作者应重视哌柏西利致不良反应的危害性,加强患者用药监护,确保临床用药安全。

关键词：哌柏西利不良反应文献分析白癜风样病变药物性肺炎巨红细胞症和发育不良性贫血

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基于扫描式葡萄糖监测系统分析肝移植受者术后血糖变化情况

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齐齐哈尔医学院学报 2024年第11期45卷 1089-1092页

作者：张利姗于瑞叶海丹中山大学附属第一医院广东广州510080

目的基于扫描式葡萄糖监测系统(FGM)分析肝移植受者术后血糖变化情况。方法选择2022年1月—2023年1月在本院行同种异体肝移植术的30例受者作为研究对象,应用FGM连续监测组织间液葡萄糖浓度,回顾性收集术后首日佩戴且满13 d非糖尿病受者... 详细信息

目的基于扫描式葡萄糖监测系统(FGM)分析肝移植受者术后血糖变化情况。方法选择2022年1月—2023年1月在本院行同种异体肝移植术的30例受者作为研究对象,应用FGM连续监测组织间液葡萄糖浓度,回顾性收集术后首日佩戴且满13 d非糖尿病受者的动态血糖监测数据图谱,包含空腹血糖、12个时间段血糖、预估糖化血红蛋白及每日葡萄糖平均值、目标范围内的时间、低于及高于目标范围内的时间,同时采集受者清晨空腹静脉血糖值。使用R语言软件进行Clarke误差分析及SPSS软件进行Pearson相关分析评价FGM的临床应用准确性。采用非参数秩和检验对比术后1~13 d的动态血糖变化情况。结果30例受者佩戴期间均未出现传感器脱离,平均佩戴时间(14.47±0.86)d,FGM血糖值(7.04±2.43)mmol/L,预估糖化血红蛋白(5.98±1.35)%,目标范围内时间(62.86±28.96)%,低于和高于目标范围内的时间分别为(9.87±16.05)%和(27.13±31.57)%。FGM佩戴期间共采集360对空腹FGM血糖值与静脉血糖值,Pearson相关分析结果示二者呈高度正相关(r=0.95,P<0.05)。Clarke误差分析结果示82%的血糖值落在A区,18%落在B区。不同术后天数在葡萄糖平均值及低于目标范围内的时间方面有差异(P<0.05),术后1~2 d血糖平均值最高,且低于目标范围内的时间均较其余术后时间短(P<0.05)。术后13 d内血糖呈下降趋势,不同时间段的血糖值有差异(P<0.05),每日0︰00~6︰00点血糖值为当日最低值(P<0.05)。服用免疫抑制剂后10︰00~12︰00点及22︰00~0︰00点血糖值均较服药前降低(P<0.05)。结论FGM应用于肝移植受者术后血糖监测准确性较高,术后早期易发生应激性高血糖,应注意及时调控血糖,避免发展成移植后糖尿病,增加并发症的发生。术后每日0︰00~8︰00点血糖值呈下降趋势,服用免疫抑制剂后10︰00~12︰00点及22︰00~0︰00点血糖值均较服药前降低。因此护理人员应密切监测夜间血糖的变化,并加强夜间血糖的管理,同时还应关注服用免疫抑制剂前后空腹期间的血糖变化,避免出现低血糖。

关键词：肝移植扫描式葡萄糖监测系统血糖

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