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Quaternary integrative stratigraphy,biotas,and paleogeographical evolution of the Qinghai-Tibetan Plateau and its surrounding areas

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Science China Earth Sciences 2024年第4期67卷 1360-1394页

作者： Yong WANG Mianping ZHENG Yuan linG Shuyuan XIANG Zhaogang SHAO kexin ZHANG Xue ke Xiao lin Fang HAN Jian’en HAN Institute of Geology Chinese Academy of Geological SciencesBeijing 100037China Institute of Mineral Resources Chinese Academy of Geological SciencesBeijing 100037China Faculty of Earth Sciences China University of GeosciencesWuhan 430074China Chinese Academy of Geological Sciences Beijing 100037China Institute of Geological Survey China University of GeosciencesWuhan 430074China School of Earth Sciences East China University of TechnologyNanchang 330013China Institute of Geomechanics Chinese Academy of Geological SciencesBeijing 100081China

The Quaternary strata on the Qinghai-Tibet Plateau contain rich information about the paleoclimate and environmental evolution,record the evolution process of the Quaternary regional tectonics,paleogeography,and geomorphology of the plateau,and are extremely important areas for studying the Quaternary geological events and regional environmental *** to a comprehensive analysis of the regional stratigraphic data and the development and evolution characteristics of the biota,based on the differences in the lithostratigraphic units,sedimentary characteristics,landforms,and drainage systems,the Quaternary strata on the Qinghai-Tibet Plateau and its surrounding areas are divided into five stratigraphic regions:the Tarim region,Loess Plateau region,Qinghai-Tibet Plateau region,Yunnan-Guizhou Plateau region,and India-Ganges *** Qinghai-Tibet Plateau stratigraphic region is divided into seven stratigraphic sub-regions:the West Kunlun-Karakorum,AltunQilian Mountains,Qaidam-Hehuang,East Kunlun-Bayan Har,Qiangtang,East Xizang-West Yunnan-West Sichuan,and Gangdise-Himalayan *** paper briefly describes the lithostratigraphic units of the seven stratigraphic sub-regions of the Qinghai-Tibet *** to the lithostratigraphic sequence and its sedimentary characteristics,stratigraphic contact relationship,formation age,and evolution of the biota in each stratigraphic sub-region,the Quaternary tectonic paleogeographic evolution of the Qinghai-Tibet Plateau is divided into four stages.(1)The inherited differential uplift stage since the Pliocene(2.6-1.8/1.5 Ma):the regional sedimentary differences were significant,and the stratigraphic distribution was limited,the alluvial-proluvial sandy conglomerate was widely developed along the piedmont,and fluvial and lacustrine deposits were developed in the low-lying areas between the mountains.(2)The mountain range flattening stage(1.8/1.5-1.2/0.8 Ma):the erosion unconformity surfaces around the pl

关键词： Quaternary stratigraphic sedimentary

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地热资源勘查项目的风险管理

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可再生能源 2008年第6期26卷 101-105页

作者：柯柏林北京市地质勘察技术院北京市华清地热开发有限责任公司北京102218

地热资源既有普遍性、丰富性,又具有相对稀缺性,地热资源勘查一般具有很大的风险。文章依据当前北京地热资源勘查的一般程序,在分析地质勘查阶段和地热井钻探勘查阶段工作特点的基础上,针对地质勘查工作质量的风险因素,识别和分析了5项... 详细信息

地热资源既有普遍性、丰富性,又具有相对稀缺性,地热资源勘查一般具有很大的风险。文章依据当前北京地热资源勘查的一般程序,在分析地质勘查阶段和地热井钻探勘查阶段工作特点的基础上,针对地质勘查工作质量的风险因素,识别和分析了5项地质勘查风险和9项钻探勘查风险。勘查实践经验表明,通过加强项目风险管理,可有效降低或消除地热资源勘查风险引起的损失。

关键词：地热资源勘查钻探项目风险管理

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Effects of the windshield inclination angle on head/brain injuries in car-to-pedestrian collisions using computational biomechanics models

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Transportation Safety and Environment 2024年第2期6卷 1-12页

作者： Fang Wang Mingliang Wang lin Hu ke Peng Jiajie Yin Danqi Wang Liangliang Shi Zhou Zhou School of Automotive and Mechanical Engineering Changsha University of Science and TechnologyChangsha 410114HunanChina Hunan Province key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle Changsha University of Science and TechnologyChangsha 410114HunanChina State key Laboratory of Vehicle NVH and Safety Technology China Automotive Engineering Research Institute Co.Ltd.Chongqing 401122China Division of Neuronic Engineering KTH Ro y al Institute of TechnologyStockholm 14152Sweden

Car-to-pedestrian collision(CPC)accidents occur frequently,and pedestrians often suffer serious head/brain *** major cause is the primary impact with the ***,we use an umerical sim ulation method to study the influence of the windshield in-clination angle of a passenger car on pedestrian head/brain injury due to CPC *** range of the windshield inclination angle was set at 24°-50°,with an interval of 2°.The results show that the windshield angle significantly affects the pedestrian kine-matics and exerts different effects on the head injury when evaluating with various head injury *** the head peak linear/rotational acceleration and acceleration-based head injury criterion(HIC)/rotational injury criterion(RIC),the predictions at the secondary impact stage have no clear relationship with the windshield angle(R^(2)=0.04,0.07,0.03 and 0.26,respectively)and their distributions are *** the primary impact,the peak linear acceleration and HIC show a weak trend of first decreasing and then increasing with the increasing of the windshield angle,and the rotational acceleration and RIC tend to remain relatively *** the cum ulative strain dama ge measure(CSDM)criterion,the predictions at the primary impact are slightly lower than those at the secondary impact,and the trend of first decreasing and then increasing with the increase in the windshield angle is observed at both impact *** the windshield inclination angle is approximately 32°-40°,the head injury severity in both impact phases is generally lower than that predicted at other windshield angles.

关键词： car-to-pedestrian collision(CPC) head/brain injury head injury criterion(HIC) windshield inclination angle computa-tional biomechanics model(CPCBM)

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Coupled strategy based on regulator manipulation and medium optimization empowers the biosynthetic overproduction of lincomycin

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Synthetic and Systems Biotechnology 2024年第1期9卷 134-143页

作者： Xinlu Cai Wanlian Xu Yang Zheng Sendi Wu Rundong Zhao Nian Wang Yaqian Tang Meilan ke Qianjin Kang linquan bai Buchang Zhang Hang Wu School of Life Sciences Institute of Physical Science and Information TechnologyAnhui UniversityHefei230601China State key Laboratory of Microbial Metabolism Shanghai Jiao Tong UniversityShanghai200240China

The biosynthesis of bioactive secondary metabolites,specifically antibiotics,is of great scientific and economic *** control of antibiotic production typically involves different processes and molecular *** numerous efforts to improve antibiotic yields,joint engineering strategies for combining genetic manipulation with fermentation optimization remain *** A(lin-A),a lincosamide antibiotic,is industrially fermented by Streptomyces ***,the leucine-responsive regulatory protein(Lrp)-type regulator SLCG_4846 was confirmed to directly inhibit the lincomycin biosynthesis,whereas indirectly controlled the transcription of SLCG_2919,the first reported repressor in *** of SLCG_4846 in the high-yield *** LA219X(LA219XΔ4846)increases the lin-A production and deletion of SLCG_2919 in LA219XΔ4846 exhibits superimposed yield *** the effect of the double deletion on cellular primary metabolism of ***,Plackett-Burman design,steepest ascent and response surface methodologies were utilized and employed to optimize the seed medium of this double mutant in shake flask,and lin-A yield using optimal seed medium was significantly increased over the *** strategies were performed in a 15-L *** maximal yield of lin-A in LA219XΔ4846-2919 reached 6.56 g/L at 216 h,55.1%higher than that in LA219X at the parental cultivation(4.23 g/L).This study not only showcases the potential of this strategy to boost lincomycin production,but also could empower the development of high-performance actinomycetes for other antibiotics.

关键词： Streptomyces Transcription factor Genetic engineering Fermentation optimization lincomycin

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The Association between GLP-1 Receptor-Based Agonists and the Incidence of Asthma in Patients with Type 2 Diabetes and/or Obesity:A Meta-Analysis

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Biomedical and Environmental Sciences 2024年第6期37卷 607-616页

作者： Mengqing Zhang Chu lin Xiaoling Cai Ruoyang Jiao Shuzhen bai Zonglin Li Suiyuan Hu Fang Lyu Wenjia Yang linong Ji Department of Endocrinology and Metabolism Peking University People’s HospitalBeijing 100044China

Objective Recent studies have indicated potential anti-inflammatory effects of glucagon-like peptide-1 receptor agonists(GLP-1RAs)on asthma,which is often comorbid with type 2 diabetes mellitus(T2DM)and ***,we conducted a meta-analysis to assess the association between the administration of glucagon-like peptide-1(GLP-1)receptor-based agonists and the incidence of asthma in patients with T2DM and/or *** PubMed,Web of Science,Embase,the Cochrane Central Register of Controlled Trials,and *** were systematically searched from inception to July *** controlled trials(RCTs)of GLP-1 receptor-based agonists(GLP-1RA,GLP-1 based dual and triple receptor agonist)with reports of asthma events were *** were computed as risk ratios(RR)using a fixedeffects *** Overall,39 RCTs with a total of 85,755 participants were *** to non-GLP-1 receptor-based agonist users,a trend of reduced risk of asthma was observed in patients with T2DM or obesity using GLP-1 receptor-based agonist treatments,although the difference was not statistically significant[RR=0.91,95%confidence interval(CI):0.68 to 1.24].Further Subgroup analyses indicated that the use of light-molecular-weight GLP-1RAs might be associated with a reduced the risk of asthma when compared with non-users(RR=0.65,95%CI:0.43 to 0.99,P=0.043).We also performed sensitivity analyses for participant characteristics,study design,drug structure,duration of action,and drug ***,no significant associations were *** Compared with non-users,a modest reduction in the incidence of asthma was observed in patients with T2DM or obesity using GLP-1 receptor-based agonist *** investigations are warranted to assess the association between GLP-1 receptor-based agonists and the risk of asthma.

关键词： Glucagon-like peptide-1 receptor agonists Twincretins Asthma Type 2 diabetes mellitus Obesity

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Phase Ib study of anti-EGFR antibody(SCT200)in combination with anti-PD-1 antibody(SCT-I10A)for patients with RAS/BRAF wild-type metastatic colorectal cancer

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Cancer Biology & Medicine 2024年第7期21卷 636-650页

作者： Ming bai Yao Lu Chunmei Shi Jianwei Yang Wei Li Xianli Yin Chenghui Huang lin Shen Liangzhi Xie Yi Ba Department of GI Medical Oncology Tianjin Medical University Cancer Institute&HospitalNational Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinTianjin's Clinical Research Center for CancerTianjin Key Laboratory of Digestive CancerTianjin 300060China Fujian Medical University Union Hospital Fuzhou 350001China Fujian Provincial Cancer Hospital Fuzhou 350014China Cancer Center The First Hospital of Jilin UniversityChangchun 130021China Department of Medical Oncology Gastroenterology and Urology Hunan Cancer HospitalAffiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangsha 410013China Department of Oncology The Third Xiangya HospitalCentral South UniversityChangsha 410013China Department of Gastrointestinal Oncology Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Bejing)Peking University Cancer Hospital and InstituteBeijing 100142China Beijing Engineering Research Center of Protein and Antibody Sinocelltech Ltd.Bejing 100176China Department of Cancer Center Peking Union Medical College HospitalChinese Academy of Medical SciencesBeijing 100010China

Objective:This study evaluated the safety and efficacy of an anti-epidermal growth factor receptor(EGFR)antibody(SCT200)and an anti-programmed cell death 1(PD-1)antibody(SCT-I10A)as third-line or subsequent therapies in patients with rat sarcoma viral oncogene(RAS)/v-raf murine sarcoma viral oncogene homolog B(BRAF)wild-type(wt)metastatic colorectal cancer(mCRC).Methods:We conducted a multicenter,open-label,phase Ib clinical *** with histologically confirmed RAS/BRAF wt m CRC with more than two lines of treatment were enrolled and treated with SCT-I10A and *** primary endpoints were the objective response rate(ORR)and *** secondary endpoints included disease control rate(DCR),progression-free survival(PFS),and overall survival(OS).Results:Twenty-one patients were enrolled in the study through January 28,*** ORR was 28.57%and the DCR was 85.71%(18/21).The median PFS and OS were 4.14 and 12.84 months,*** treatment-related adverse events(TRAEs)were ***,compared with the monotherapy cohort from our previous phase I study evaluating SCT200 for RAS/BRAF wt m CRC in a third-line setting,no significant improvements in PFS and OS were observed in the combination ***:SCT200 combined with SCT-I10A demonstrated promising efficacy in previously treated RAS/BRAF wt m CRC patients with an acceptable safety *** head-to-head studies with larger sample sizes are needed to validate whether the efficacy and safety of combined anti-EGFR and anti-PD-1 therapy are superior to anti-EGFR monotherapy in the third-line setting.(Registration ***04229537).

关键词： Colorectal cancer SCT-I10A SCT200 epidermal growth factor receptor programmed cell death 1

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C-reactive protein to albumin ratio predict responses to programmed cell death-1 inhibitors in hepatocellular carcinoma patients

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World Journal of Gastrointestinal Oncology 2024年第1期16卷 61-78页

作者： bai-Bei Li Lei-Jie Chen Shi-Liu Lu Biao Lei Gui-lin Yu Shui-Ping Yu Department of Hepatobiliary Surgery The First Affiliated Hospital of Guangxi Medical UniversityNanning 530021Guangxi Zhuang Autonomous RegionChina key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University) Ministry of EducationNanning 530021Guangxi Zhuang Autonomous RegionChina Guangxi key Laboratory of Immunology and Metabolism for Liver Diseases Guangxi Medical UniversityNanning 530021Guangxi Zhuang Autonomous RegionChina Department of Gastroenterology The Second Xiangya Hospital of Central South UniversityNanning 410011Guangxi Zhuang Autonomous RegionChina Department of Emergency The First Affiliated Hospital of Guangxi Medical UniversityNanning 530021Guangxi Zhuang Autonomous RegionChina

BACKGROUND Over the years,programmed cell death-1(PD-1)inhibitors have been routinely used for hepatocellular carcinoma(HCC)treatment and yielded improved survival ***,significant heterogeneity surrounds the outcomes of most ***,it is critical to search for biomarkers that predict the efficacy of PD-1 inhibitors in patients with *** To investigate the role of the C-reactive protein to albumin ratio(CAR)in evaluating the efficacy of PD-1 inhibitors for *** The clinical data of 160 patients with HCC treated with PD-1 inhibitors from January 2018 to November 2022 at the First Affiliated Hospital of Guangxi Medical University were retrospectively *** The optimal cut-off value for CAR based on progression-free survival(PFS)was determined to be 1.20 using x-tile *** proportional risk model was used to determine the factors affecting *** Cooperative Oncology Group performance status[hazard ratio(HR)=1.754,95%confidence interval(95%CI)=1.045-2.944,P=0.033],CAR(HR=2.118,95%CI=1.057-4.243,P=0.034)and tumor number(HR=2.932,95%CI=1.246-6.897,P=0.014)were independent prognostic factors for overall ***(HR=2.730,95%CI=1.502-4.961,P=0.001),tumor number(HR=1.584,95%CI=1.003-2.500,P=0.048)and neutrophil to lymphocyte ratio(HR=1.120,95%CI=1.022-1.228,P=0.015)were independent prognostic factors for *** nomograms were constructed based on independent prognostic *** C-index index and calibration plots confirmed that the nomogram is a reliable risk prediction *** ROC curve and decision curve analysis confirmed that the nomogram has a good predictive effect as well as a net clinical *** Overall,we reveal that the CAR is a potential predictor of short-and long-term prognosis in patients with HCC treated with PD-1 *** further verified,CAR-based nomogram may increase the number of markers that predict individualized prognosis.

关键词： C-reactive protein to albumin ratio Hepatocellular carcinoma Programmed cell death-1 inhibitors Prognosis Nomogram

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Mitochondria-targeted nanoparticles overcome chemoresistance via downregulating BACH1/CD47 axis in ovarian carcinoma

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Chinese Chemical Letters 2024年第5期35卷 344-350页

作者： ke Gong Jinghan Liao Jiangtao lin Quan Wang Zhihua Wu Liting Wang Jiali Zhang Yi Dong Yourong Duan Jianhua Chen State key Laboratory of Systems Medicine for Cancer Shanghai Cancer InstituteRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200032China Department of Ultrasound Xinhua HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200092China Department of Oncology Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 200080China

The platinum-based chemotherapy is a routine strategy for the treatment of ovarian cancer,while it is prone to chemoresistance in clinical,which hinders the ***,it is urgently needed to elucidate the underlying mechanism of drug resistance and form the appropriate *** sequencing results showed that cisplatin(DDP)resistant ovarian cancer overexpressed BTB and CNC homology 1(BACH1),and up-regulated the“don’t eat me”signal *** identified that hemin,a BACH1 inhibitor,could effectively down-regulate BACH1 and simultaneously inhibit ***,hemin has a synergistic effect with *** designed a pH-responsive nanoparticle(H/D@FA-CaP-NPs)in which folic acid(FA)ensured targeting of ovarian cancer cells,while hemin inhibited BACH1 as well as down-regulated CD47,achieving the promotion of apoptosis of tumor cells and inducing phagocytosis of tumors by ***,hemin has a synergistic effect with DDP to promote apoptosis of tumor ***,hemin and DDP was encapsulated within hydrophobic 1,2-distearoyl-sn-glycero-3-phosphoethanolamine(DSPE)to form a tight core,and hydrophilic polyethylene glycol 2000(PEG2000)and calcium phosphate(CaP)formed the outside shell,and FA was modified on the surface of *** terms of function,(a)FA enhanced the active targeting of nanoparticles to tumors;(b)NPs targeted mitochondria to induce reactive oxygen species(ROS)production;(c)hemin encapsulated in nanoparticles could specifically target BACH1,thereby down regulating CD47;(d)hemin had a synergistic effect with DDP,thus augmenting the ***,mitochondria-targeted nanoparticles H/D@FA-CaP-NPs promoted tumor apoptosis and mobilized phagocytosis to treat tumor,providing a novel scheme for clinical treatment of cisplatin-resistant ovarian carcinoma.

关键词： Cisplatin-resistant Hemin BACH1 CD47 Phagocytosis ROS Synergistic effect

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Association between glaucoma and stroke:A bidirectional mendelian randomization study

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Advances in Ophthalmology Practice and Research 2024年第3期4卷 147-155页

作者： Kai Wang Xueqi lin Siting Sheng Dan Chen Xin Liu ke Yao Eye Center of the Second Affiliated Hospital Zhejiang University School of MedicineHangzhouChina Department of Ophthalmology Zhongshan HospitalFudan UniversityShanghaiChina Shanghai Institute of Infectious Disease and Biosecurity Zhongshan HospitalFudan UniversityShanghaiChina

Purpose:Observational studies have reported positive associations between glaucoma and stroke;however,controversial results ***,the nature of the relationship remains unknown since previous studies were not designed to test ***,we aimed to investigate the possible causal relationships between glaucoma and ***:Our two-sample Mendelian randomization(MR)encompassed multi-ethnic large-scale genome-wide association studies with more than 20000 cases and 260000 controls for glaucoma,and more than 80000 cases and 630000 controls for *** effect estimates for each SNP were combined using the inverse-variance weighted(IVW)*** avoid potential pleiotropic effects,we adjusted the main results by excluding genetic variants associated with metabolic *** weighted median and MR-Egger methods were also used for the sensitivity ***:Our MR analysis revealed that glaucoma and its subtypes,including primary open-angle glaucoma and primary angle-closure glaucoma,exhibited no causal role in relation to any stroke(AS),any ischemic stroke(AIS),large-artery atherosclerotic stroke(LAS),small-vessel stroke(SVS),or cardioembolic stroke(CES)across MR analyses(all P>0.05).The null associations remained robust even after adjusting for metabolic-related traits and were consistent in both the European and Asian ***,reverse MR analyses also did not indicate any significant causal effects of AS,AIS,LAS,or CES on glaucoma ***:Evidence from our series of causal inference approaches using large-scale population-based MR an-alyses did not support causal effects between glaucoma and *** findings suggest that the relationship of glaucoma management and stroke risk prevention should be carefully evaluated in future *** turn,stroke diagnosis should not be simply applied to glaucoma risk prediction.

关键词： Glaucoma Stroke Mendelian randomization Causation Metabolic-related trait

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Establishment of a transformation system in close relatives of wheat under the assistance of TaWOX5

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Journal of Integrative Agriculture 2024年第6期23卷 1839-1849页

作者： Yanan Chang Junxian Liu Chang Liu Huiyun Liu Huali Tang Yuliang Qiu Zhishan lin ke Wang Yueming Yan Xingguo Ye Institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Beijing key Laboratory of Plant Gene Resources and Biotechnology for Carbon Reduction and Environment Improvement/College of Life Science Capital Normal UniversityBeijing 100048China College of Agronomy and Biotechnology China Agricultural UniversityBeijing 100193China State key Laboratory of Plant Cell and Chromosome Engineering/Institute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing 100101China

Species closely related to wheat are important genetic resources for agricultural production,functional genomics studies and wheat *** this study,a wheat gene related to regeneration,TaWOX5,was applied to establish the Agrobacterium-mediated transformation systems of Triticum monococcum,hexaploid triticale,and rye(Secale cereale L.)using their immature *** plants were efficiently *** the transformation process,the Agrobacterium infection efficiency was assessed by histochemical staining forβ-glucuronidase(GUS).Finally,the transgenic nature of regenerated plants was verified by polymerase chain reaction(PCR)-based genotyping for the presence of the GUS and bialaphos resistance(bar)genes,histochemical staining for GUS protein,and the QuickStix strip assay for bar *** transformation efficiency of *** genotype PI428182 was 94.4%;the efficiencies of four hexaploid triticale genotypes lin456,ZS3297,ZS1257,and ZS3224 were 52.1,41.2,19.4,and 16.0%,respectively;and the transformation efficiency of rye cultivar Lanzhou Heimai was 7.8%.Fluorescence in situ hybridization(FISH)and genomic in situ hybridization(GISH)analyses indicated that the GUS transgenes were integrated into the distal or near centromere(proximal)regions of the chromosomes in transgenic *** and hexaploid triticale *** the transgenic hexaploid triticale plants,the foreign DNA fragment was randomly integrated into the AABB and RR ***,the transgene was almost stably inherited in the next generation by Mendel’s *** findings in this study will promote the genetic improvement of the three plant species for grain or forage production and the improvement of cereal species including wheat for functional genomics studies.

关键词： Triticum monococcum hexaploid triticale rye TaWOX5 Agrobacterium transformation efficiency

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