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Precision medicine in acute lymphoblastic leukemia

Ching-Hon Pui

《医学前沿（英文）》 2020年 第14卷 第6期   页码 689-700 doi: 10.1007/s11684-020-0759-8

摘要： The cure rate of childhood acute lymphoblastic leukemia (ALL) has exceeded 90% in some contemporary clinical trials. However, the dose intensity of conventional chemotherapy has been pushed to its limit. Further improvement in outcome will need to rely more heavily on molecular therapeutic as well as immuno- and cellular-therapy approaches together with precise risk stratification. Children with or hyperdiploid>50 ALL who achieve negative minimal residual disease during early remission induction are suitable candidates for reduction in treatment. Patients with Philadelphia chromosome (Ph)-positive or Ph-like ALL with ABL-class fusion should be treated with dasatinib. BH3 profiling and other preclinical methods have identified several high-risk subtypes, such as hypodiplod, early T-cell precursor, immature T-cell, -rearranged, Ph-positive and -positive ALL, that may respond to BCL-2 inhibitor venetoclax. There are other fusions or mutations that may serve as putative targets, but effective targeted therapy has yet to be established. For other high-risk patients or poor early treatment responders who do not have targetable genetic lesions, current approaches that offer hope include blinatumomab, inotuzumab and CAR-T cell therapy for B-ALL, and daratumumab and nelarabine for T-ALL. With the expanding therapeutic armamentarium, we should start focus on rational combinations of targeted therapy with non-overlapping toxicities.

关键词： acute lymphoblastic leukemia     molecular therapeutics     targeted therapy     tyrosine kinase inhibitors     immunotherapy     CAR T-cell therapy    

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Molecular engineering of dendrimer nanovectors for siRNA delivery and gene silencing

Yu Cao, Xiaoxuan Liu, Ling Peng

《化学科学与工程前沿（英文）》 2017年 第11卷 第4期   页码 663-675 doi: 10.1007/s11705-017-1623-5

摘要： Small interfering RNA (siRNA) therapeutics hold great promise to treat a variety of diseases, as long as they can be delivered safely and effectively into cells. Dendrimers are appealing vectors for siRNA delivery by virtue of their well-defined molecular architecture and multivalent cooperativity. However, the clinical translation of RNA therapeutics mediated by dendrimer delivery is hampered by the lack of dendrimers that are of high quality to meet good manufacturing practice standard. In this context, we have developed small amphiphilic dendrimers that self-assemble into supramolecular structures, which mimic high-generation dendrimers synthesized with covalent construction, yet are easy to produce in large amount and superior quality. Indeed, the concept of supramolecular dendrimers has proved to be very promising, and has opened up a new avenue for dendrimer-mediated siRNA delivery. A series of self-assembling supramolecular dendrimers have consequently been established, some of them out-performing the currently available nonviral vectors in delivering siRNA to various cell types and , including human primary cells and stem cells. This short review presents a brief introduction to RNAi therapeutics, the obstacles to their delivery and the advantages of dendrimer delivery vectors as well as our bio-inspired structurally flexible dendrimers for siRNA delivery. We then highlight our efforts in creating self-assembling amphiphilic dendrimers to construct supramolecular dendrimer nanosystems for effective siRNA delivery as well as the related structural alterations to enhance delivery efficiency. The advent of self-assembling supramolecular dendrimer nanovectors holds great promise and heralds a new era of dendrimer-mediated delivery of RNA therapeutics in biomedical applications.

关键词： gene therapy     RNAi therapeutics     dendrimer     nanovectors     gene silencing    

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Analysis on the distinguishing features of traditional Chinese therapeutics and related statistical issues

Jingqing Hu, Jie Qiao, Deying Kang, Baoyan Liu

《医学前沿（英文）》 2011年 第5卷 第2期   页码 203-207 doi: 10.1007/s11684-011-0138-6

摘要： Traditional Chinese medicine (TCM) is one of the rarely existing ancient traditional medicines that hold systematic theories as well as preventative and therapeutic methods for diseases in practice. From the 1950s, such research methods as mathematics, statistics, and data mining (DM) have been gradually introduced to TCM studies, making it more scientific. Meanwhile, the distinct features of TCM theories and diagnostic-model have constantly challenged the methodology of statistics. This paper introduces the following scientific features of traditional Chinese therapeutics: 1) its goal is to balance the functions and conditions of human body; 2) it emphasizes on holism and individualization; 3) it stresses the longitudinal regulation and evaluation mode, which is a circle of syndrome diagnosis, treatment and evaluation; 4) the interventions of TCM are abundant, compound and natural; and 5) humanistic thought is everywhere. Some statistical problems are raised based on these features. First, complex statistical methods that can analyze subjective indexes and latent variables, multidimensional and multistage data, non-equilibrium designed studies, and longitudinal data are required. Second, comprehensive evaluation on multiple-target mechanism has been brought in by combination treatment. Third, there is a need to analyze how humanity and related cultural factors may influence the effect of interventions. Thus, promoting implemented studies of statistics as well as carrying out the TCM scientific propositions have become the common expectations of both TCM and modern medicine.

关键词： traditional Chinese therapeutics     feature     statistic    

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Developing macromolecular therapeutics: the future drug-of-choice

Huining HE, Victor C. YANG, Weibing DONG, Junbo GONG, Jingkang WANG,

《化学科学与工程前沿（英文）》 2010年 第4卷 第1期   页码 10-17 doi: 10.1007/s11705-009-0291-5

摘要： Macromolecular drugs including peptides, proteins, antibodies, polysaccharides and nucleic acids have been widely used for therapy of major diseases such as carcinoma and AIDS as well as cardiovascular and neurodegenerative disorders among other medical conditions. Due to their unmatched properties of high selectivity and efficiency, macromolecular drugs have been recognized as the drug-of-choice of the future. Since worldwide progress on macromolecular therapeutics still remains in the infant stage and is therefore wide open for equal-ground competition, R&D related to macromolecular drugs should be considered as the main point of focus in China in setting up its strategic plans in pharmaceutical development. In this article, research strategies and drug delivery approaches that should be adopted to enhance the therapeutic effects of macromolecular drugs are reviewed. In addition, comments concerning how to implement such strategies to excel from competition in this challenging research field, such as the design of innovative and highly effective delivery systems of macromolecular drugs with self-owned intellectual property rights, are provided.

关键词： worldwide     challenging     effective     macromolecular     self-owned intellectual    

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Human monoclonal antibodies as candidate therapeutics against emerging viruses

null

《医学前沿（英文）》 2017年 第11卷 第4期   页码 462-470 doi: 10.1007/s11684-017-0596-6

摘要：

The emergence of new pathogens, such as severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and Ebola virus, poses serious challenges to global public health and highlights the urgent need for novel antiviral approaches. Monoclonal antibodies (mAbs) have been successfully used to treat various diseases, particularly cancer and immunological disorders. Antigen-specific mAbs have been isolated using several different approaches, including hybridoma, transgenic mice, phage display, yeast display, and single B-cell isolation. Consequently, an increasing number of mAbs, which exhibit high potency against emerging viruses in vitro and in animal models of infection, have been developed. In this paper, we summarize historical trends and recent developments in mAb discovery, compare the advantages and disadvantages of various approaches to mAb production, and discuss the potential use of such strategies for the development of antivirals against emerging diseases. We also review the application of recently developed human mAbs against SARS-CoV, MERS-CoV, and Ebola virus and discuss prospects for the development of mAbs as therapeutic agents against emerging viral diseases.

关键词： human monoclonal antibodies     emerging infectious diseases     SARS-CoV     MERS-CoV     Ebola virus    

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Comparison of the clinical features and therapeutics of COVID-19 in cardio-cerebrovascular disease (CCVD

Yu Wang, Lan Li, Yuanjiang Pan, Yu He, Zuhua Chen, Yunhao Xun, Yuhan Xu, Yilei Guo, Jiehong Yang, Jianchun Guo, Haitong Wan

《医学前沿（英文）》 2021年 第15卷 第4期   页码 629-637 doi: 10.1007/s11684-020-0825-2

摘要： Cardio-cerebrovascular disease (CCVD) is a major comorbidity of coronavirus disease 2019 (COVID-19). However, the clinical characteristics and outcomes remain unclear. In this study, 102 cases of COVID-19 from January 22, 2020 to March 26, 2020 in Xixi Hospital of Hangzhou were included. Twenty cases had pre-existing CCVD. Results showed that compared with non-CCVD patients, those with CCVD are more likely to develop severe disease (15% versus 1%), and the proportion of pneumonia severity index grade IV was significantly higher (25% versus 3.6%). Computed tomography images demonstrated that the proportion of multiple lobe lesion involvement was significantly higher in the CCVD group than in the non-CCVD group (90% versus 63.4%). Compared with non-CCVD group, the levels of C-reactive protein, fibrinogen, D-dimer, and serum amyloid-A were higher, whereas the total protein and arterial partial PaO were lower in the CCVD group. Although no statistical difference was observed in the outcomes between groups, CCVD patients received more intensive comprehensive treatment to improve COVID-19 symptoms compared with non-CCVD patients. Integrated Chinese and Western medicine treatments have certain advantages in controlling the severe conversion rate and mortality of COVID-19. In addition, given that COVID-19 patients are usually related to coagulation disorders and thrombosis risk, the application of Chinese medicine in promoting blood circulation and removing stasis should be strengthened.

关键词： COVID-19     cardio-cerebrovascular disease     traditional Chinese medicine     clinical features     clinical therapeutics    

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Special issue on “Molecular Sensors and Molecular Logic Gates”

Luling Wu , Tony D. James

《化学科学与工程前沿（英文）》 2022年 第16卷 第1期   页码 1-3 doi: 10.1007/s11705-021-2134-y

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Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

《化学科学与工程前沿（英文）》 2022年 第16卷 第2期   页码 168-182 doi: 10.1007/s11705-021-2056-8

摘要： Direct application of bio-oil from fast pyrolysis as a fuel has remained a challenge due to its undesirable attributes such as low heating value, high viscosity, high corrosiveness and storage instability. Solvent addition is a simple method for circumventing these disadvantages to allow further processing and storage. In this work, computer-aided molecular design tools were developed to design optimal solvents to upgrade bio-oil whilst having low environmental impact. Firstly, target solvent requirements were translated into measurable physical properties. As different property prediction models consist different levels of structural information, molecular signature descriptor was used as a common platform to formulate the design problem. Because of the differences in the required structural information of different property prediction models, signatures of different heights were needed in formulating the design problem. Due to the combinatorial nature of higher-order signatures, the complexity of a computer-aided molecular design problem increases with the height of signatures. Thus, a multi-stage framework was developed by developing consistency rules that restrict the number of higher-order signatures. Finally, phase stability analysis was conducted to evaluate the stability of the solvent-oil blend. As a result, optimal solvents that improve the solvent-oil blend properties while displaying low environmental impact were identified.

关键词： computer-aided molecular design     bio-oil additives     molecular signature descriptor    

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Progress on molecular biomarkers and classification of malignant gliomas

null

《医学前沿（英文）》 2013年 第7卷 第2期   页码 150-156 doi: 10.1007/s11684-013-0267-1

摘要：

Gliomas are the most common primary intracranial tumors in adults. Anaplastic gliomas (WHO grade III) and glioblastomas (WHO grade IV) represent the major groups of malignant gliomas in the brain. Several diagnostic, predictive, and prognostic biomarkers for malignant gliomas have been reported over the last few decades, and these markers have made great contributions to the accuracy of diagnosis, therapeutic decision making, and prognosis of patients. However, heterogeneity in patient outcomes may still be observed, which highlights the insufficiency of a classification system based purely on histopathology. Great efforts have been made to incorporate new information about the molecular landscape of gliomas into novel classifications that may potentially guide treatment. In this review, we summarize three distinctive biomarkers, three most commonly altered pathways, and three classifications based on microarray data in malignant gliomas.

关键词： malignant glioma     molecular biomarker     IDH1     MGMT     molecular classification    

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Molecular classification and molecular targeted therapy of cancer

null

《医学前沿（英文）》 2013年 第7卷 第2期   页码 147-149 doi: 10.1007/s11684-013-0274-2

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分子电子学的发展 Review

Paven Thomas Mathew, 房丰洲

《工程（英文）》 2018年 第4卷 第6期   页码 760-771 doi: 10.1016/j.eng.2018.11.001

摘要：

分子电子学（moletronics）是用分子作为单元对分子电子学器件进行装配。这是一个包含物理、化学、材料科学及工程等学科的多学科交叉领域。分子电子学致力于使硅元件尺寸进一步减小。科学家已经在等效分子器件方面进行了诸多探索性研究。分子电子学在电子以及光子应用中逐渐产生影响，如导电聚合物、光色材料、有机超导体、电致变色材料等。为了满足减小硅片尺寸的需求，研究人员有必要将这种新型技术引入到分子层面。虽然分子层面仪器的实验验证和建模分析是一项艰巨的任务，但分子电子学领域依然出现了突破性进展。本文将对不同分子器件和潜在的适用于不同器件的分子应用结合起来进行讨论，如分子晶体管、分子二极管、分子电容、分子导线和分子绝缘体等。本文简要讨论未来的发展趋势以及介绍各种基于石墨烯已取得一定研究成果的分子仪器。

关键词： 分子电子学     分子晶体管     分子二极管     分子电容器     分子导线     石墨烯    

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ANTIVIRAL EFFECTS OF BACTERIOCIN AGAINST ANIMAL-TO-HUMAN TRANSMITTABLE MUTATED SARS-COV-2: A SYSTEMATIC REVIEW

《农业科学与工程前沿（英文）》 2021年 第8卷 第4期   页码 603-622 doi: 10.15302/J-FASE -2021397

摘要：

The COVID-19 infections caused by SARS-CoV-2 have resulted in millions of people being infected and thousands of deaths globally since November 2019. To date, no unique therapeutic agent has been developed to slow the progression of this pandemic. Despite possessing antiviral traits the potential of bacteriocins to combat SARS-CoV-2 infection has not been fully investigated. This review summarizes the mechanisms by which bacteriocins can be manipulated and implemented as effective virus entry blockers with infection suppression potential properties to highly transmissible viruses through comprehensive immune modulations that are potentially effective against COVID-19. These antimicrobial peptides have been suggested as effective antiviral therapeutics and therapeutic supplements to prevent rapid virus transmission. This review also provides a new insight into the cellular and molecular alterations which have made SARS-CoV-2 self-modified with diversified infection patterns. In addition, the possible applications of antimicrobial peptides through both natural and induced mechanisms in infection prevention perspectives on changeable virulence cases are comprehensively analyzed. Specific attention is given to the antiviral mechanisms of the molecules along with their integrative use with synthetic biology and nanosensor technology for rapid detection. Novel bacteriocin based therapeutics with cutting-edge technologies might be potential substitutes for existing time-consuming and expensive approaches to fight this newly emerged global threat.

 

关键词： antimicrobial proteins / antiviral profiling of bacteriocins / antiviral therapeutics / immunomodulation / nanosensor technology / mutated SARS-CoV-2    

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Molecular size characterization of heavy oil fractions in vacuum and solution by molecular dynamic simulation

Wenpo REN, Honggang CHEN, Chaohe YANG, Honghong SHAN,

《化学科学与工程前沿（英文）》 2010年 第4卷 第3期   页码 250-256 doi: 10.1007/s11705-009-0281-7

摘要： Two kinds of heavy oils were fractionated into eight fractions by Liquid-Solid Adsorption Chromatography, respectively, and samples were collected to measure properties. According to the elemental analysis, molecular weight and H-NMR data, average molecular structures of polycyclic aromatic and heavy resin were constructed with improved Brown-Ladner (B-L) method and several corrections. And then, the most stable conformations of polycyclic aromatic and heavy resin in vacuum and toluene solution were obtained by molecular dynamic simulation, and the molecular size was gotten via the radius of gyration analysis. The results showed that the radius of gyration of polycyclic aromatic and heavy resin was 0.55–0.70 nm in vacuum and 0.60–0.90 nm in toluene solution. With molecular weight increasing, the molecular size in vacuum and toluene solution also increased. Due to the swelling behavior of solvent, the alkyl side chains of heavy oil molecule in solution were more stretched. Thus, the molecular size in toluene solution was larger than that in vacuum.

关键词： dynamic simulation     molecular dynamic     behavior     molecule     Adsorption Chromatography    

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Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

《化学科学与工程前沿（英文）》 2023年 第18卷 第1期 doi: 10.1007/s11705-023-2375-z

摘要： Decalin is considered as an important compound of high-energy-density endothermic fuel, which is an ideal on-board coolant for thermal management of advanced aircraft. However, decalin contains two isomers with a tunable composition, and their effects on the pyrolysis performance, such as the heat sink and coking tendency have not been demonstrated. Herein, we investigated the pyrolysis of decalin isomers, i.e., cis-decalin, trans-decalin and their mixtures (denoted as mix-decalin), in order to clarify the effects of the cis-/trans-structures on the pyrolysis performance of decalin fuels. The pyrolysis results confirmed that conversion of the tested fuels (600–725 °C, 4 MPa) decreased in the order cis-decalin > mix-decalin > trans-decalin. Detailed analyses of the pyrolysis products were used to compare the product distributions from cis-decalin, mix-decalin and trans-decalin, and the yields of some typical components (such as cyclohexene, 1-methylcyclohexene, benzene and toluene) showed significant differences, which could be ascribed to deeper cracking of cis-decalin. Additionally, the heat sinks and coking tendencies of the decalins decreased in the order cis-decalin > mix-decalin > trans-decalin. This work demonstrates the relationship between the cis/trans structures and the pyrolysis performance of decalin, which provides a better understanding of the structure-activity relationships of endothermic hydrocarbon fuels.

关键词： endothermic fuel     decalin     pyrolysis     heat sink     molecular structure    

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Enhanced separation of tetrafluoropropanol from water via carbon nanotubes membranes: insights from molecular

《环境科学与工程前沿（英文）》 2023年 第17卷 第11期 doi: 10.1007/s11783-023-1740-y

摘要：

● MD simulations unveil the transport mechanism for TFP-water mixture through CNTs.

关键词： Fluorinated alcohol     Carbon nanotube     Molecular simulation     Fluorine modified    

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标题 作者 时间 类型 操作

Precision medicine in acute lymphoblastic leukemia

Ching-Hon Pui

期刊论文

Molecular engineering of dendrimer nanovectors for siRNA delivery and gene silencing

Yu Cao, Xiaoxuan Liu, Ling Peng

期刊论文

Analysis on the distinguishing features of traditional Chinese therapeutics and related statistical issues

Jingqing Hu, Jie Qiao, Deying Kang, Baoyan Liu

期刊论文

Developing macromolecular therapeutics: the future drug-of-choice

Huining HE, Victor C. YANG, Weibing DONG, Junbo GONG, Jingkang WANG,

期刊论文

Human monoclonal antibodies as candidate therapeutics against emerging viruses

null

期刊论文

Comparison of the clinical features and therapeutics of COVID-19 in cardio-cerebrovascular disease (CCVD

Yu Wang, Lan Li, Yuanjiang Pan, Yu He, Zuhua Chen, Yunhao Xun, Yuhan Xu, Yilei Guo, Jiehong Yang, Jianchun Guo, Haitong Wan

期刊论文

Special issue on “Molecular Sensors and Molecular Logic Gates”

Luling Wu , Tony D. James

期刊论文

Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

期刊论文

Progress on molecular biomarkers and classification of malignant gliomas

null

期刊论文

Molecular classification and molecular targeted therapy of cancer

null

期刊论文

分子电子学的发展

Paven Thomas Mathew, 房丰洲

期刊论文

ANTIVIRAL EFFECTS OF BACTERIOCIN AGAINST ANIMAL-TO-HUMAN TRANSMITTABLE MUTATED SARS-COV-2: A SYSTEMATIC REVIEW

期刊论文

Molecular size characterization of heavy oil fractions in vacuum and solution by molecular dynamic simulation

Wenpo REN, Honggang CHEN, Chaohe YANG, Honghong SHAN,

期刊论文

Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

期刊论文

Enhanced separation of tetrafluoropropanol from water via carbon nanotubes membranes: insights from molecular

期刊论文