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Colorectal cancer screening:The value of early detection and modern challenges

World Journal of Gastroenterology 2024年第20期30卷 2726-2730页

作者： Jian Li Zhi-Peng Li Wen-Jie ruan Wei Wang Department of Interventional Oncology Municipal Hospital Affiliated to Taizhou UniversityTaizhou 318000Zhejiang ProvinceChina School of Medicine Taizhou UniversityTaizhou 318000Zhejiang ProvinceChina

The screening of colorectal cancer(CRC)is pivotal for both the prevention and treatment of this disease,significantly improving early-stage tumor detection *** advancement not only boosts survival rates and quality of life for patients but also reduces the costs associated with ***,the adoption of CRC screening methods faces numerous challenges,including the technical limitations of both noninvasive and invasive methods in terms of sensitivity and ***,socioeconomic factors such as regional disparities,economic conditions,and varying levels of awareness affect screening *** coronavirus disease 2019 pandemic further intensified these challenges,leading to reduced screening participation and increased waiting ***,the growing prevalence of early-onset CRC necessitates innovative screening *** response,research into new methodologies,including artificial intelligence-based systems,aims to improve the precision and accessibility of *** measures by governments and health organizations to enhance CRC screening efforts are underway,including increased advocacy,improved service delivery,and international *** role of technological innovation and global health collaboration in advancing CRC screening is *** such as artificial intelligence and gene sequencing are set to revolutionize CRC screening,making a significant impact on the fight against this *** the rise in early-onset CRC,it is crucial for screening strategies to continually evolve,ensuring their effectiveness and applicability.

关键词： Colorectal cancer Early detection Economic implications Noninvasive tests Quality of life Survival rates Therapeutic modalities Technical challenges

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Development of antibody-drug conjugates in cancer:Overview and prospects

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Cancer Communications 2024年第1期44卷 3-22页

作者： Dan-Yun ruan Hao-Xiang Wu Qi Meng Rui-Hua Xu Department of Clinical Research Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaGuangdong Provincial Clinical Research Center for CancerSun Yat-sen UniversityGuangzhouGuangdongP.R.China Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer Chinese Academy of Medical SciencesGuangzhouGuangdongP.R.China Department of Medical Oncology Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaGuangdong Provincial Clinical Research Center for CancerSun Yat-sen UniversityGuangzhouGuangdongP.R.China

In recent years,remarkable breakthroughs have been reported on antibody-drug conjugates(ADCs),with 15 ADCs successfully entering the market over the past *** substantial development has positioned ADCs as one of the fastest-growing domains in the realm of anticancer drugs,demonstrating their efficacy in treating awide array of ***,there is still an unmet clin-ical need forwider application,better efficacy,and fewer side effects of *** ADC generally comprises an antibody,a linker and a payload,and the combina-tion has profound effects on drug structure,pharmacokinetic profile and ***,optimization of the key components provides an opportunity to develop ADCs with higher potency and fewer side *** this review,we comprehen-sively reviewed the current development and the prospects of ADC,provided an analysis of marketed ADCs and the ongoing pipelines globally as well as in China,highlighted several ADC platforms and technologies specific to different pharmaceutical enterprises and biotech companies,and also discussed the new related technologies,possibility of next-generation ADCs and the directions of clinical research.

关键词： companies breakthrough payload

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Supersaturation-driven self-assembly formation of ceftriaxone sodium spherulites:From amorphous form to spherulites

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Particuology 2024年第7期90卷 10-19页

作者： Shankun Liang Yuchao Niu Xueyan Hu Wu Xiao Xuehua ruan Gaohong He Xiaobin Jiang State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart MaterialsSchool of Chemical EngineeringDalian University of TechnologyDalian116024China School of Chemical Engineering at Panjin Dalian University of TechnologyPanjin124221China

Drug particles with spherical morphology possess amazing advantages in terms of particle flowability,mechanical properties,drug solubility,and *** growth mechanism of drug spherulite is of great importance for the preparation and regulation of ***,ceftriaxone sodium spherulites were fabricated by the antisolvent crystallization method using dropwise addition of ceftriaxone sodium solution to *** observation of the whole crystallization process combined with electron microscopy technique revealed the spherical growth process from amorphous form to *** the supersaturation of the crystallization system was adjusted,the ceftriaxone sodium crystals transformed from amorphous form to *** the process of antisolvent crystallization with acetone as antisolvent,when the theoretical supersaturation degree S was higher than 2.62,the crystallization system tended to appear amorphous form;when S was between 2.57 and 2.62,the amorphous form transformed into clustered spherulites;when S was less than 2.57,the surface of spherulites will be covered with flaky crystal,which transformed into urchin-like *** the understanding of the spherical growth mechanism,the ceftriaxone sodium spherulites prepared in this research with modified supersaturation control had a low residue of antisolvent acetone,and the flowability was significantly improved.

关键词： Spherulite Ceftriaxone sodium Antisolvent crystallization Supersaturation Online observation

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Harnessing the potential of hydrogels for advanced therapeutic applications: current achievements and future directions

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3176-3241页

作者： Pelin Lu Dongxue ruan Meiqi Huang Mi Tian Kangshun Zhu Ziqi Gan Zecong Xiao Nanomedicine Research Center The Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhou 510630PR China Department of Minimally Invasive Interventional Radiology and Laboratory of Interventional RadiologyThe Second Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510260PR China State Key Laboratory of Respiratory Disease National Clinical Research Center for Respiratory DiseaseNational Center for Respiratory MedicineDepartment of Respiratory and Critical Care MedicineGuangzhou Institute for Respiratory HealthThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510120PR China Department of Stomatology Chengdu Second People's HospitalChengdu 610021PR China Hospital of Stomatology Guangdong Provincial Key Laboratory of StomatologyGuanghua School of StomatologySun Yat-sen UniversityGuangzhou 510055PR China

The applications of hydrogels have expanded significantly due to their versatile,highly tunable properties and breakthroughs in biomaterial *** this review,we cover the major achievements and the potential of hydrogels in therapeutic applications,focusing primarily on two areas:emerging cell-based therapies and promising non-cell therapeutic *** the context of cell therapy,we discuss the capacity of hydrogels to overcome the existing translational challenges faced by mainstream cell therapy paradigms,provide a detailed discussion on the advantages and principal design considerations of hydrogels for boosting the efficacy of cell therapy,as well as list specific examples of their applications in different disease *** then explore the potential of hydrogels in drug delivery,physical intervention therapies,and other non-cell therapeutic areas(e.g.,bioadhesives,artificial tissues,and biosensors),emphasizing their utility beyond mere delivery ***,we complement our discussion on the latest progress and challenges in the clinical application of hydrogels and outline future research directions,particularly in terms of integration with advanced biomanufacturing *** review aims to present a comprehensive view and critical insights into the design and selection of hydrogels for both cell therapy and noncell therapies,tailored to meet the therapeutic requirements of diverse diseases and situations.

关键词： directions overcome breakthrough

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Degree of shade tolerance shapes seasonality of chlorophyll, nitrogen and phosphorus levels of trees and herbs in a temperate deciduous forest

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Journal of Forestry Research 2024年第4期35卷 60-72页

作者： Jiajia Zeng Fan Liu Yuan Zhu Jiayi Li Ying ruan Xiankui Quan Chuankuan Wang Xingchang Wang Aulin College Northeast Forestry UniversityHarbin 150040People’s Republic of China Center for Ecological Research Northeast Forestry UniversityHarbin 150040People’s Republic of China Key Laboratory of Agricultural Water Resources Center for Agricultural Resources ResearchInstitute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuang 050021People’s Republic of China Institute of Applied Ecology Chinese Academy of SciencesShenyang 110016People’s Republic of China Key Laboratory of Sustainable Forest Ecosystem Management Ministry of EducationNortheast Forestry UniversityHarbin 150040People’s Republic of China

Forest productivity is closely linked to seasonal variations and vertical differentiation in leaf ***,leaf structural and chemical traits variation among co-existing species,and plant functional types within the canopy are poorly *** this study,the seasonality of leaf chlorophyll,nitrogen(N),and phosphorus(P)were quantified vertically along the canopy of four major tree species and two types of herbs in a temperate deciduous *** role of shade tolerance in shaping the seasonal variation and vertical differentiation was *** the entire season,chlorophyll content showed a distinct asymmetric unimodal pattern for all species,with greater chlorophyll levels in autumn than in spring,and the timing of peak chlorophyll per leaf area gradually decreased as shade tolerance *** a:b ratios gradually decreased with increasing shade *** N and P contents sharply declined during leaf expansion,remained steady in the mature stage and decreased again during leaf *** the seasons,the lower canopy layer had significantly higher chlorophyll per leaf mass but not chlorophyll per leaf area than the upper canopy layer regardless of degree of shade ***,N and P per leaf area of intermediate shade-tolerant and fully shade-tolerant tree species were significantly higher in the upper canopy than in the *** variations in N:P ratios suggest changes in N or P *** findings indicate that shade tolerance is a key feature shaping inter-specific differences in leaf chlorophyll,N,and P contents as well as their seasonality in temperate deciduous forests,which have significant implications for modeling leaf photosynthesis and ecosystem production.

关键词： Leaf traits Leaf nutrients Seasonal variations Chlorophyll Nitrogen Phosphorus Shade tolerance Canopy layers

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