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Fluorine-doped carbon quantum dots with deep-red emission for hypochlorite determination and cancer cell imaging

Chinese Chemical Letters 2024年第6期35卷 433-438页

作者： Boran Cheng Lei Cao Chen Li Fang-Yi Huo Qian-Fang Meng Ganglin Tong Xuan Wu Lin-Lin Bu Lang Rao Shubin Wang department of Oncology Shenzhen Key Laboratory of Gastrointestinal Cancer Translational ResearchCancer InstitutePeking University Shenzhen HospitalShenzhen-Peking University-Hong Kong University of Science and Technology Medical CenterShenzhen 518036China institute of Biomedical Health Technology and Engineering Shenzhen Bay LaboratoryShenzhen 518132China The State Key Laboratory Breeding Base of Basic Science of Stomatology(Hubei-MOST)&Key Laboratory of Oral Biomedicine Ministry of Education School&Hospital of StomatologyWuhan UniversityWuhan 430079China

As a type of new carbon-based nanomaterials,carbon dots(CDs)possess exceptional optical properties,making them highly desirable for use in fluorescent ***,the CDs with deep-red(DR)or near-infrared(NIR)emission have rarely been *** this work,we prepared deep-red emissive fluorine-doped carbon quantum dots(F-CDs)by introducing a precursor simultaneously containing fluorine and *** synergistic effect of nitrogen doping and D-π-A pattern production contributed to the maximum emission of F-CDs at 636 nm with an absolute quantum yield of 36.00%±0.68%.Moreover,we designed an F-CDs-based fluorescence assay to determine the content of hypochlorite(ClO^(-)),with a limit of detection(LOD)as low as 15.4 nmol/L,indicating the high sensitivity of F-CDs to ClO^(-).In real samples,the F-CDs-based fluorescent sensor exhibited excellent sensitivity and selectivity in the detection of ClO^(-),with an error below 2%,suggesting their great potential in daily *** cancer cell imaging,the F-CDs not only demonstrated high sensitivity to ClO^(-)but also exhibited excellent mitochondria targeting,as evidenced by the high Pearson's correlation coefficient(PCC)of 0.93 in colocalization *** work presented here suggests the great potential of replacing commercial dyes with F-CDs for highly specific mitochondria labeling and cell imaging.

关键词： Carbon dots Near-infrared Cell imaging Mitochondria labeling Hypochlorite determination

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Radiological findings of February 2023 twin earthquakes-related spine injuries

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World Journal of radiology 2024年第9期16卷 398-406页

作者： Ayşenur Bolukçu Ahmet Gürkan Erdemir İlkay Sedakatİdilman Adalet Elçin Yildiz GökçenÇobanÇifçi Mehmet Ruhi Onur Erhan Akpinar department of radiology Hacettepe UniversityFaculty of MedicineAnkara 06100Türkiye department of radiology University of ChicagoChicagoIL 60637United States

BACKGROUND The February 6,2023,twin earthquakes in Türkiye caused significant structural damage and a high number of injuries,particularly affecting the spine,which underscores the importance of understanding the distribution and nature of vertebral injuries in disaster *** To investigate the distribution of radiological findings of vertebral injuries in patients referred to a major tertiary center during the February 6,2023 twin earthquakes in Tü*** With the approval of the institutional ethics committee,1216 examinations of 238 patients transferred from the region to a tertiary major hospital after the twin earthquakes of February 6,2023,were retrospectively analyzed for spine *** Spine computed tomography(CT)scans were performed in 192 of 238 patients with a suspected spinal injury,42 of whom also had an magnetic resonance imaging(MRI).In 86 of 192 patients(44.79%;M:F=33:53)a spinal fracture was detected on CT and in 33 of 42 patients(78.57%;M:F=20:13)a spinal injury was found on *** the 86 patients in whom vertebral injury was detected,fractures were detected in the Denis-B group in 33,Denis-C in 4,Denis-D in 20 and Denis-E in 11 *** the vertebral bodies:40"compression fractures",17"burst fractures",5"translational dislocation fractures",5"flexion-distraction fractures"and 58"prolonged forced fetal posture fractures"were *** addition,isolated transverse or spinous process fractures were found in eighteen *** Our study highlights the prevalence and diverse spectrum of spinal injuries following the February 6,2023 twin earthquakes in Turkey underscoring the urgent need for effective management strategies in similar disaster scenarios,and emphasizing the"prolonged forced fetal posture"damage we encountered in earthquake victims who remained under the collapse for a long time.

关键词： Accidental injuries Compression fractures Crush injuries Earthquakes Spine

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从信号到知识——基于人工智能的医学影像裸数据诊断价值初探

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Engineering 2024年第3期34卷 60-69页

作者： Bingxi He Yu Guo Yongbei Zhu Lixia Tong Boyu Kong Kun Wang Caixia Sun Hailin Li Feng Huang Liwei Wu Meng Wang Fanyang Meng Le Dou Kai Sun Tong Tong Zhenyu Liu Ziqi Wei Wei Mu Shuo Wang Zhenchao Tang Shuaitong Zhang Jingwei Wei Lizhi Shao Mengjie Fang Juntao Li Shouping Zhu Lili Zhou Shuo Wang Di Dong Huimao Zhang Jie Tian Beijing Advanced Innovation Center for Big Data-Based Precision Medicine School of Engineering MedicineBeihang UniversityBeijing 100191China Key Laboratory of Big Data-Based Precision Medicine Beihang UniversityMinistry of Industry and Information TechnologyBeijing 100191China CAS Key Laboratory of molecular imaging Institute of AutomationChinese Academy of SciencesBeijing 100190China department of radiology The First Hospital of Jilin UniversityChangchun 130021China Neusoft Medical Systems Co.Ltd. Shenyang 110167China Neusoft Research of Intelligent Healthcare Technology Co.Ltd. Shenyang 110167China School of Life Science and Technology Xidian UniversityXi’an 710126China Engineering Research Center of molecular and Neuro imaging Ministry of EducationXi’an 710126China School of Artificial Intelligence University of Chinese Academy of SciencesBeijing 100049China

Encouraging and astonishing developments have recently been achieved in image-based diagnostic *** medical care and imaging technology are becoming increasingly ***,the current diagnosis pattern of signal to image to knowledge inevitably leads to information distortion and noise introduction in the procedure of image reconstruction(from signal to image).Artificial intelligence(AI)technologies that can mine knowledge from vast amounts of data offer opportunities to disrupt established *** this prospective study,for the first time,we develop an AI-based signal-toknowledge diagnostic scheme for lung nodule classification directly from the computed tomography(CT)raw data(the signal).We find that the raw data achieves almost comparable performance with CT,indicating that it is possible to diagnose diseases without reconstructing ***,the incorporation of raw data through three common convolutional network structures greatly improves the performance of the CT models in all cohorts(with a gain ranging from 0.01 to 0.12),demonstrating that raw data contains diagnostic information that CT does not *** results break new ground and demonstrate the potential for direct signal-to-knowledge domain analysis.

关键词： Computed tomography Diagnosis Deep learning Lung cancer Raw data

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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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Magnetic resonance imaging-based lymph node radiomics for predicting the metastasis of evaluable lymph nodes in rectal cancer

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1849-1860页

作者： Yong-Xia Ye Liu Yang Zheng Kang Mei-Qin Wang Xiao-Dong Xie Ke-Xin Lou Jun Bao Mei Du Zhe-Xuan Li department of radiology The Affiliated Cancer Hospital of Nanjing Medical University&Jiangsu Cancer Hospital&Jiangsu Institute of Cancer ResearchNanjing 210011Jiangsu ProvinceChina department of Colorectal Surgery Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research and The Affiliated Cancer Hospital of Nanjing Medical UniversityNanjing 210000Jiangsu ProvinceChina1 department of Pathology The Affiliated Cancer Hospital of Nanjing Medical University&Jiangsu Cancer Hospital&Jiangsu Institute of Cancer ResearchNanjing 210011Jiangsu ProvinceChina Colorectal Center The Affiliated Cancer Hospital of Nanjing Medical University&Jiangsu Cancer Hospital&Jiangsu Institute of Cancer ResearchNanjing 210011Jiangsu ProvinceChina

BACKGROUND Lymph node(LN)staging in rectal cancer(RC)affects treatment decisions and patient *** radiologists,the traditional preoperative assessment of LN metastasis(LNM)using magnetic resonance imaging(MRI)poses a *** To explore the value of a nomogram model that combines Conventional MRI and radiomics features from the LNs of RC in assessing the preoperative metastasis of evaluable *** In this retrospective study,270 LNs(158 nonmetastatic,112 metastatic)were randomly split into training(n=189)and validation sets(n=81).LNs were classified based on pathology-MRI *** MRI features[size,shape,margin,T2-weighted imaging(T2WI)appearance,and CE-T1-weighted imaging(T1WI)enhancement]were *** radiomics models used 3D features from T1WI and T2WI ***,a nomogram model combining conventional MRI and radiomics features was *** model used univariate analysis and multivariable logistic *** employed the receiver operating characteristic curve,with DeLong test for comparing diagnostic *** performance was assessed using calibration and decision curve *** The nomogram model outperformed conventional MRI and single radiomics models in evaluating *** the training set,the nomogram model achieved an area under the curve(AUC)of 0.92,which was significantly higher than the AUCs of 0.82(P<0.001)and 0.89(P<0.001)of the conventional MRI and radiomics models,*** the validation set,the nomogram model achieved an AUC of 0.91,significantly surpassing 0.80(P<0.001)and 0.86(P<0.001),*** The nomogram model showed the best performance in predicting metastasis of evaluable LNs.

关键词： Radiomics Lymph node metastasis Rectal cancer Magnetic resonance imaging

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Aggregation-induced T_(1)/T_(2) contrast enhancement for magnetic resonance imaging-guided intraoperative surgery

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Science China Chemistry 2024年第6期67卷 2046-2055页

作者： Wenbo Sun Bin Yu Dianshuai Huang Chunhuan Jiang Wei Wang Jianhua Liu Zonghua Wang Lehui Lu State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022China College of Chemistry and Chemical Engineering Shandong Sino-Japanese Center for Collaborative Research of Carbon NanomaterialsQingdao Application Technology Innovation Center of Photoelectric Biosensing for Clinical Diagnosis and TreatmentQingdao UniversityQingdao266071China department of radiology Second Hospital of Jilin UniversityChangchun130041China

Magnetic resonance imaging(MRI)plays an important role in precision medicine that is hampered by the lack of contrast agents with high efficiency and the ability to translate diagnostic accuracy into therapeutic ***,we demonstrate a DNA-based MRI probe that overcomes previous single-mode enhancement and provides a mechanism of action for aggregationinduced dual-modal MRI signal enhancement.A facile method is developed to produce aggregated T_(1)/T_(2)dual-modal NaGdF_(4):Dy@PDA-DNA(PDA=polydopamine)MRI *** aggregated,this probe can further amplify MRI signal intensity and exhibit improved geometrical and positional stability in *** performance of the NaGdF_(4):Dy@PDA-DNA MRI probe toward MRI-guided preoperative planning and visualization-guided surgery is verified using an orthotopic tumor-bearing mouse *** result shows that the rapid metabolism of the degraded probe leads to the mitigation of long-term toxic ***,the developed high-performance MRI probe is of great significance for enhancing MRI diagnostic accuracy into precision medical therapeutic interventions.

关键词： MRI probe DNA aggregation-induced T_(1)/T_(2)contrast enhancement precision medicine degradable probe

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Transperineal laser ablation of the prostate as a treatment for benign prostatic hyperplasia and prostate cancer: The results of a Delphi consensus project

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Asian Journal of Urology 2024年第2期11卷 271-279页

作者： Andrea Cocci Marta Pezzoli Fernando Bianco Franco Blefari Pierluigi Bove Francois Cornud Gaetano De Rienzo Paolo Destefanis Danilo Di Trapani Alessandro Giacobbe Luca Giovanessi Antonino Laganà Giovanni Lughezzani Guglielmo Manenti Gianluca Muto Gianluigi Patelli Novello Pinzi Stefano Regusci Giorgio I.Russo Juan I.M.Salamanca Matteo Salvi Luigi Silvestri Fabrizio Verweij Eric Walser Riccardo GBertolo Valerio Iacovelli Alessandro Bertaccini Debora Marchiori Hugo Davila Pasquale Ditonno Paolo Gontero Gennaro Iapicca Theo M De Reijke Vito Ricapito Pierluca Pellegrini Andrea Minervini Sergio Serni Francesco Sessa department of Urology Careggi HospitalUniversity of FlorenceFlorenceItaly Urology Section University of FlorenceFlorenceItaly Urological Research Network MiamiFLUSA Urology Section Prato HospitalPratoItaly Torvergata Oncoscience Research Centre of Excellence TORDepartment of Experimental MedicineUniversity of Rome Tor VergataRomeItaly department of Urology San Carlo di Nancy HospitalRomeItaly department of radiology Hôpital CochinParis Descartes UniversityParisFrance Urology and Andrology Unit II Department of Emergency and Organ TransplantationUniversity of BariBariItaly Unit of Urology Cittàdella Salute e della Scienza HospitalUniversity of TurinTurinItaly Urology Unit Buccheri La Ferla Fatebenefratelli HospitalPalermoItaly department of Urology Humanitas Gradenigo HospitalTurinItaly Urology Unit Surgical DepartmentFondazione Poliambulanza Istituto OspedalieroBresciaItaly Departement of Urology “S.Giovanni Evangelista”HospitalTivoliItaly Humanitas Clinical and Research CentereIRCCS Department of UrologyRozzanoItaly department of Biomedical Sciences Humanitas UniversityPieve EmanueleItaly department of Biomedicine and Prevention University of Rome“Tor Vergata”RomeItaly department of Diagnostic imaging and Interventional radiology University of Rome“Tor Vergata”RomeItaly department of Interventional radiology Pesenti-Fenaroli Hospital-ASST Bergamo EstAlzano LombardoItaly department of Urology University of SienaSienaItaly Swiss International Prostate Center GenevaSwitzerland Clinique Générale Beaulieu GenevaSwitzerland department of Urology University of CataniaItaly department of Urology Puerta de Hierro-Majadahonda University HospitalMadridSpain Lyx institute of Urology Universidad Francisco de VitoriaMadridSpain department of Medico-Surgical Sciences and Biotechnologies Sapienza University of RomeFaculty of Pharmacy and MedicineUrology Unit ICOTLatinaItaly department of Urology European Institute of Oncology(IEO)IRCCSMilanItaly department of radiology D

Objective: To evaluate transperineal laser ablation (TPLA) with Echolaser® (Echolaser® TPLA, Elesta S.p.A., Calenzano, Italy) as a treatment for benign prostatic hyperplasia (BPH) and prostate cancer (PCa) using the Delphi consensus ***: Italian and international experts on BPH and PCa participated in a collaborative consensus project. During two rounds, they expressed their opinions on Echolaser® TPLA for the treatment of BPH and PCa answering online questionnaires on indications, methodology, and potential complications of this technology. Level of agreement or disagreement to reach consensus was set at 75%. If the consensus was not achieved, questions were modified after each round. A final round was performed during an online meeting, in which results were discussed and ***: Thirty-two out of forty invited experts participated and consensus was reached on all topics. Agreement was achieved on recommending Echolaser® TPLA as a treatment of BPH in patients with ample range of prostate volume, from 80 mL (80%), comorbidities (100%), antiplatelet or anticoagulant treatment (96%), indwelling catheter (77%), and strong will of preserving ejaculatory function (100%). Majority of respondents agreed that Echolaser® TPLA is a potential option for the treatment of localized PCa (78%) and recommended it for low-risk PCa (90%). During the final round, experts concluded that it can be used for intermediate-risk PCa and it should be proposed as an effective alternative to radical prostatectomy for patients with strong will of avoiding urinary incontinence and sexual dysfunction. Almost all participants agreed that the transperineal approach of this organ-sparing technique is safer than transrectal and transurethral approaches typical of other techniques (97% of agreement among experts). Pre-procedural assessment, technical aspects, post-procedural catheterization, pharmacological therapy, and expected outcomes were discussed, leading t

关键词： Transperineal laser ablation Prostatecancer Benignprostatic hyperplasia Delphi consensus

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Pharmacological methods for ovarian function and fertility preservation in women with cancer:A literature review

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Oncology Research 2024年第8期32卷 1309-1322页

作者： ANA S.CVETANOVIC MATTEO LAMBERTINI KEVIN PUNIE GORANA G.MATOVINA BRKO NIKOLA D.ZIVKOVIC MAJA J.POPOVIC MARIJANA M.MILOVIC KOVACEVIC LAZAR S.POPOVIC department for Oncology Medical Faculty NisUniversity of NisNis18000Serbia Clinic of Oncology University Clinical Centre NisNis18000Serbia department of Internal Medicine and Medical Sciences(DiMI) School of MedicineUniversity of GenovaGenova16100Italy department of Medical Oncology U.O.C Clinica di Oncologia MedicaIRCCS Ospedale Policlinico San MartinoGenova16100Italy department of General Medical Oncology and Multidisciplinary Breast Centre Leuven Cancer InstituteUniversity Hospitals LeuvenLeuven3001Belgium department of Medical Oncology Oncology Institute of VojvodinaSremska Kamenica21208Serbia department for Pathology Medical Faculty NisUniversity of NisNis18000Serbia Center for Pathology University Clinical Centre NisNis18000Serbia Faculty of Medicine University of Novi SadNovi Sad21000Serbia department of Medical Oncology Institute of Oncology and Radiology SerbiaBelgrade11000Serbia

Oncofertility is an extremely signiﬁcant topic that is increasingly being discussed owing to increased evidence indicating that fertility preservation does not affect the treatment outcomes of patients with cancer but signiﬁcantly contributes to preserving life *** effect of chemotherapy can range from minimal effects to complete ovarian *** data are available on the effects of monoclonal antibodies and targeted therapies on the ovaries and *** ovarian suppression by administering a gonadotropin-releasing hormone agonist(GnRHa)during chemotherapy decreases the gonadotoxic effect of chemotherapy,thereby diminishing the chance of developing premature ovarian insufﬁciency(POI).At present,the concomitant administration of GnRH analogs during chemotherapy is the only accepted pharmacological method for preserving ovarian ***,most randomized studies on the effectiveness of luteinizing hormone-releasing hormone agonists during chemotherapy in preventing POI have been conducted in women with breast cancer,with a considerably small number of studies on patients with hematological ***,most randomized controlled trials on breast cancer have revealed a decrease in treatment-induced POI risk,regardless of the hormone receptor *** addition,studies on hematological malignancies have yielded negative results;nevertheless,theﬁndings must be interpreted with caution owing to numerous *** guidelines from the American Society of Clinical Oncology and ESMO Clinical Practice Guidelines recommend sperm,oocyte,and embryo cryopreservation as a standard practice and only offering GnRHa to patients when proven fertility preservation methods are not *** this manuscript,we present a comprehensive literature overview on the application of ovarian suppression with GnRHa during chemotherapy in patients with cancer by addressing preclinical and clinical data,as well as future perspectives in thisﬁeld

关键词： Gonadotropin-releasing hormone agonists(GnRHa) Fertility preservation Premature ovarian insufficiency(POI) Premenopausal patients

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IR780/Gemcitabine-conjugated metal-phenolic network enhanced photodynamic cancer therapy

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Chinese Chemical Letters 2024年第1期35卷 305-309页

作者： Songtao Zhou Hao Tian Jie Yan Zhan Zhang Guohao Wang Xinying Yu Wei Sang Bei Li Greta S.P.Mok Jie Song Yunlu Dai Cancer Center and institute of translational Medicine Faculty of Health SciencesUniversity of MacaoMacao 999078China MoE Frontiers Science Center for Precision Oncology University of MacaoMacao 999078China institute of Basic Medicine and Cancer(IBMC) Chinese Academy of SciencesThe Cancer Hospital of the University of Chinese Academy of SciencesHangzhou 310022China Biomedical imaging Laboratory(BIG) Department of Electrical and Computer EngineeringFaculty of Science and TechnologyUniversity of MacaoMacao 999078China

Photodynamic therapy (PDT) is a clinically approved cancer treatment that uses energy of light to generate active substances that cause damage to the cancer. Photosensitizers are employed to absorb light and generate toxic reactive oxygen species (ROS) to damage biomolecules like DNA. At the same time, some chemotherapy drugs like nucleotide analogues can provide mechanism-guided promotion in the treatment efficacy of PDT. However, the photosensitizer and chemotherapy drugs used in PDT is usually organic molecules, which suffers from bad solubility, fast clearance, and acute toxicity. To achieve targeted treatment, a reasonable delivery system is necessary. Therefore, we reported a metal-phenolic network where IR780 and gemcitabine were coupled chemically to overcome these shortcomings. The enhanced PDT effects can be realized by the promoted cell death both in vitro and in vivo. Moreover, the synergistic therapy also induced T-cell mediated anti-tumor immune response, which was significant for the inhibition of distant tumor growth. This work expanded the biomedical application of metal-phenolic materials and contribute to the wider application of photodynamic cancer therapy.

关键词： Metal phenolic network IR780 Photodynamic therapy Breast cancer Gemcitabine

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Naked-eye visualization of lymph nodes using fluorescence nanoprobes in non-human primate-animal models

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Nano Research 2024年第8期17卷 7404-7414页

作者： Xiaoyuan Ji Binbin Chu Xiaofeng Wu Zhiming Xia Airui Jiang Chenyu Wang Zhiming Chen Danni Zhong Qiaolin Wei Bin Song Wanlin Li Yiling Zhong Houyu Wang Fenglin Dong Min Zhou Yao He Suzhou Key Laboratory of Nanotechnology and Biomedicine Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesInstitute of Functional Nano and Soft Materials(FUNSOM)Soochow UniversitySuzhou 215123China School of Public Health Shanghai Jiao Tong University School of MedicineShanghai 200025China Zhejiang University-University of Edinburgh institute(ZJU-UoE institute) Zhejiang UniversityHaining 314400China department of Ultrasound the First Affiliated Hospital of Soochow UniversitySuzhou 215006China State Key Laboratory(SKL)of Biobased Transportation Fuel Technology Zhejiang UniversityHangzhou 310027China School of Pharmacy Hangzhou Normal UniversityHangzhou 311121China Macao translational Medicine Center Macao University of Science and TechnologyTaipa 999078MacaoChina Macao institute of Materials Science and Engineering Macao University of Science and TechnologyTaipa 999078MacaoChina

Despite sufficient studies performed in non-primate animal models,there exists scanty information obtained from pilot trials in non-human primate animal models,severely hindering nanomaterials moving from basic research into clinical *** herein present a pioneering demonstration of nanomaterials based optical imaging-guided surgical operation by using macaques as a typical kind of non-human primate-animal ***,taking advantages of strong and stable fluorescence of the small-sized(diameter:~5 nm)silicon-based nanoparticles(SiNPs),lymphatic drainage patterns can be vividly visualized in a real-time manner,and lymph nodes(LN)are able to be sensitively detected and precisely excised from small animal models(e.g.,rats and rabbits)to non-human primate animal models(e.g.,cynomolgus macaque(Macaca fascicularis)and rhesus macaque(Macaca mulatta)).Compared to clinically used invisible near-infrared(NIR)lymphatic tracers(i.e.,indocyanine green(ICG);etc.),we fully indicate that the SiNPs feature unique advantages for naked-eye visible fluorescence-guided surgical operation in long-term *** toxicological analysis in macaque models further provides confirming evidence of favorable biocompatibility of the SiNPs *** expect that our findings would facilitate the translation of nanomaterials from the laboratory to the clinic,especially in the field of cancer treatment.

关键词： fluorescent silicon nanoparticles lymph node real-time naked-eye visualization macaque models

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