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Allosteric modulation of G protein-coupled receptors as a novel therapeutic strategy in neuropathic pain

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Acta Pharmaceutica Sinica B 2024年第1期14卷 67-86页

作者： Chunhao Zhu Xiaobing Lan Zhiqiang Wei Jianqiang Yu Jian Zhang School of Pharmacy Ningxia Medical UniversityYinchuan 750004China Medicinal Chemistry and Bioinformatics center Shanghai Jiao Tong University School of MedicineShanghai 200025China School of Basic Medical Science Ningxia Medical UniversityYinchuan 750004China Medicinal Chemistry and Bioinformatics center Ocean University of ChinaQingdao 266100China State Key Laboratory of Pharmaceutical Biotechnology Nanjing UniversityNanjing 210023China

Neuropathic pain is a debilitating pathological condition that presents significant therapeutic challenges in clinical ***,current pharmacological treatments for neuropathic pain lack clinical efficacy and often lead to harmful adverse *** G protein-coupled receptors(GPCRs)are widely distributed throughout the body,including the pain transmission pathway and descending inhibition pathway,the development of novel neuropathic pain treatments based on GPCRs allosteric modulation theory is gaining *** research has shown that allosteric modulators targeting GPCRs on the pain pathway can effectively alleviate symptoms of neuropathic pain while reducing or eliminating adverse *** review aims to provide a comprehensive summary of the progress made in GPCRs allosteric modulators in the treatment of neuropathic pain,and discuss the potential benefits and adverse factors of this *** will also concentrate on the development of biased agonists of GPCRs,and based on important examples of biased agonist development in recent years,we will describe universal strategies for designing structure-based biased *** is foreseeable that,with the continuous improvement of GPCRs allosteric modulation and biased agonist theory,effective GPCRs allosteric drugs will eventually be available for the treatment of neuropathic pain with acceptable safety.

关键词： Neuropathic pain Allosteric modulators G protein-coupled receptors Analgesia

Fractality of Aging of Living Systems

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Journal of Geriatric Medicine 2022年第1期4卷 10-18页

作者： A.A.Viktorov State Research center Burnasyan Federal Medical Biophysical center of Federal Medical Biological Agency MoscowRussia

On the basis of the basic model of the kinetic theory of aging of living systems,mathematical modeling of various characteristics of aging of mankind,state,generation,human body,organs and cells has been carried *** results are compared with experimental and calculated data of other *** analysis of the works presented here and those carried out earlier gave reason to believe that the basic mathematical model of the evolution of aging of living dynamic systems of various hierarchical levels and nature is the invariant differential equation of the kinetic theory of aging,as a manifestation of the fractality property of living systems.

关键词： Fractality Aging Basic model Kinetic theory Dynamical system

Application of multimodal image fusion technology in brain tumor surgical procedure

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Translational Neuroscience and Clinics 2016年第4期2卷 215-226页

作者： Jiefei Li Yuqi Zhang Le He Huancong Zuo Department of Neurosurgery Medical Center Tsinghua UniversityYuquan Hospital center for Biomedical Imaging Research Tsinghua University

Objective: To construct brain tumors and their surrounding anatomical structures through the method of registration, fusion and, three-dimensional(3D) reconstruction based on multimodal image data and to provide the visual information of tumor, skull,brain, and vessels for preoperative evaluation, surgical planning, and function ***: The image data of computed tomography(CT) and magnetic resonance imaging(MRI) were collected from fifteen patients with confirmed brain *** reconstructed brain tumors and their surrounding anatomical structures using Neuro Tech software. Results: The whole 3D structures including tumor, brain surface, skull, and vessels were successfully reconstructed based on the CT and MRI images. Reconstruction image clearly shows the tumor size, location, shape, and the anatomical relationship of tumor and surrounding structures. We can hide any reconstructed images such as skull,brain tissue, blood vessles, or tumors. We also can adjust the color of reconstructed images and rotate images to observe the structures from any direction. Reconstruction of brain and skull can be semi transparent to display the deep structure; reconstruction of the structures can be axial, coronal, and sagittal cutting to show relationship among tumor and surrounding structures. The reconstructed 3D structures clearly depicted the tumor features, such as size, location, and shape, and provided visual information of the spatial relationship among its surrounding structures. Conclusions: The method of registration, fusion, and 3D reconstruction based on multimodal images to provide the visual information is feasible and practical. The reconstructed 3D structures are useful for preoperative assessment, incision design,the choice of surgical approach, tumor resection, and functional protection.

关键词： neurosurgical procedures imaging three-dimensional multimodal imaging magnetic resonance imaging

Elemene Antitumor Drugs Development Based on "Molecular Compatibility theory" and Clinical Application: A Retrospective and Prospective Outlook

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Chinese Journal of Integrative Medicine 2024年第1期30卷 62-74页

作者： JIANG Xiao-ying SHI Li-ping ZHU Jun-long BAI Ren-ren XIE Tian School of Pharmacy Hangzhou Normal UniversityHangzhou(311121)China Key Laboratory of Elemene Class Anti-cancer Chinese Medicines Engineering Laboratory of Development and Application of Traditional Chinese MedicinesCollaborative Innovation Center of Traditional Chinese Medicines of Zhejiang ProvinceHangzhou Normal UniversityHangzhou(311121)China Good Clinical Practice center Affliliated Hospital of Nanjing University of Chinese MedicineNanjing(210000)China

Elemene, derived from Curcuma wenyujin, one of the "8 famous genuine medicinal materials of Zhejiang province," exhibits remarkable antitumor activity. It has gained wide recognition in clinical practice for effectiveness on tumors. Dr. XIE Tian introduced the innovative concept of "molecular compatibility theory" by combining Chinese medicine principles, specifically the "monarch, minister, assistant, and envoy" theory, with modern biomedical technology. This groundbreaking approach, along with a systematic analysis of Chinese medicine and modern biomedical knowledge, led to the development of elemene nanoliposome formulations. These novel formulations offer numerous advantages, including low toxicity, well-defined composition, synergistic effects on multiple targets, and excellent biocompatibility. Following the principles of the "molecular compatibility theory", further exploration of cancer treatment strategies and methods based on elemene was undertaken. This comprehensive review consolidates the current understanding of elemene's potential antitumor mechanisms, recent clinical investigations, advancements in drug delivery systems, and structural modifications. The ultimate goal of this review is to establish a solid theoretical foundation for researchers, empowering them to develop more effective antitumor drugs based on the principles of "molecular compatibility theory".

关键词： molecular compatibility theory Chinese integrative medicine elemene antitumor activity drug delivery structural modification

A generalized dilatancy angle equation of granular soil

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Journal of Mountain Science 2022年第5期19卷 1456-1463页

作者： YU Fang-wei Institute of Mountain Hazards and Environment Chinese Academy of SciencesChengdu 610041China center for Excellence in Tibetan Plateau Earth Sciences Chinese Academy of SciencesBeijing 100101China China-Pakistan Joint Research center on Earth Sciences CAS-HECIslamabad 45320Pakistan University of Chinese Academy of Sciences Beijing 100049China Department of Civil Engineering The University of TokyoTokyo 113-8656Japan

This paper presents a generalized dilatancy angle equation of granular soil to cover not only the drained tests but also the undrained tests by introducing a generalized structure of soil:soil skeleton formed by soil particles and the fluid in soil voids,under the assumptions of the incompressibility of soil particles and the compressibility of the fluid in soil *** the drained tests,the generalized dilatancy angle equation of granular soil would be degenerated to its current dilatancy angle ***,for the undrained tests,the generalized dilatancy angle equation of granular soil was derived with aλparameter that was related to the stress-strain state of soil and the nature of the fluid in soil ***λparameter was determined by the initial dilatancy angles of granular soil at the onset of shearing on the same initial state of the soil in the drained and undrained *** addition,the generalized dilatancy angle equation of granular soil was verified for application in calculation of the dilatancy angles of sands in the drained and undrained tests.

关键词： Elastoplastic theory Dilatancy Granular soil Sands Soil Skeleton Triaxial tests

Continuous and fast magneto-ionic control of magnetism in Ta/Co/ BiFeO_(3)/SrRuO_(3) multiferroic heterostructure

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Journal of Materiomics 2022年第6期8卷 1141-1148页

作者： Zhiwei Chen Haoyang Sun Xiang Zhou Hengli Duan Wensheng Yan Yuewei Yin Xiaoguang Li Hefei National Research center for Physical Sciences at the Microscale Department of Physics and CAS Key Laboratory of Strongly-Coupled Quantum Matter PhysicsUniversity of Science and Technology of ChinaHefei230026China National Synchrotron Radiation Laboratory University of Science and Technology of ChinaHefei230029China Collaborative Innovation center of Advanced Microstructures Nanjing UniversityNanjing210093China

Room temperature electric field controlled magnetism is extremely promising for the next-generation high-performance spintronic ***,based on the ferroelectric switching driven oxygen ion migration in the Ta/Co/BiFeO_(3)/SrRuO_(3) heterostructures,the magnetic moment,magnetic coercive field,exchange bias field,and junction resistance are reversibly manipulated by tuning the ferroelectric polarization of the BiFeO_(3) *** these phenomena are consistently explained by the oxygen ion migration induced CoOx/Co redox effect,which is evidenced by the synchrotron X-ray absorption spectroscopy ***,owing to the controllable ferroelectric switching dynamics of the BiFeO_(3) thin film,the magnetic coercive field of the Co thin film can be continuously and precisely tuned by controlling the ferroelectric polarization of the BiFeO_(3) thin film,and the manipulating speed of the voltage control of magnetism can be fast to 100 *** nonvolatile,stable,reversible,fast,and reproducible voltage control of magnetism shows great potential for designing low-power and high-speed spintronics.

关键词： Voltage control of magnetism Nonvolatile Magneto-ionic effect Multiferroic heterostructure Ferroelectric switching dynamics

Management of sub-centimeter recurrent hepatocellular carcinoma after curative treatment:Current status and future

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World Journal of Gastroenterology 2018年第46期24卷 5215-5222页

作者： Min Woo Lee Hyo Keun Lim Department of Radiology and Cen-ter for Imaging Science Samsung Medical CenterSungkyunkwan University School of Medicine Department of Health Sciences and Technology SAIHSTSungkyunkwan University

Hepatocellular carcinomas(HCCs) frequently recur despite initial successful surgical resection or local ablation therapy. Diagnostic methods for small HCCs have improved with the introduction of gadoxetic acid-enhanced liver magnetic resonance imaging and diffusion-weighted imaging(DWI). Currently, sub-centimeter recurrent nodules showing typical hallmark imaging findings of HCC are frequently detected in patients with a treatment history for HCC. With five typical magnetic resonance findings, including arterial enhancement, washout on portal or transitional phase, high signal intensity on both T2-weighted image and DWI, and low signal intensity on hepatobiliary phase, sub-centimeter recurrent HCC can be diagnosed with high accuracy. Although more information is needed to determine the treatment of choice, local ablation therapy under fusion imaging and/or contrast-enhanced ultrasound guidance or cone-beam computed tomography-guided chemoembolization seem to be promising as they are effective and safe for the management of sub-centimeter recurrent HCCs.

关键词： Hepatocellular carcinoma Recurrence Subcentimeter Ablation Diagnosis

Finite superconducting square wire-network based on two-dimensional crystalline Mo_(2)C

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Chinese Physics B 2022年第9期31卷 134-140页

作者： Zhen Liu Zi-Xuan Yang Chuan Xu Jia-Ji Zhao Lu-Junyu Wang Yun-Qi Fu Xue-Lei Liang Hui-Ming Cheng Wen-Cai Ren Xiao-Song Wu Ning Kang Key Laboratory for the Physics and Chemistry of Nanodevices School of Electronics and Center for Carbon-Based ElectronicsPeking UniversityBeijing 100871China Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China State Key Laboratory for Artificial Microstructure and Mesoscopic Physics Frontiers Science Center for Nano-optoelectronicsPeking UniversityBeijing 100871China School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 110016China

Superconducting wire-networks are paradigms to study Cooper pairing issues,vortex dynamics and ***,emergent low-dimensional crystalline superconductors were reported in the minimal-disorder limit,providing novel platforms to reveal vortices-related *** on superconducting loops with high-crystallinity is thus currently ***,we report fabrication and transport measurement of finite square-network based on two-dimensional crystalline superconductor Mo_(2)*** observe oscillations in the resistance as a function of the magnetic flux through the *** dips at both matching field and fractional fillings are *** and current evolutions are carried out in magnetoresistance to study vortex *** amplitude of oscillation is enhanced due to the interaction between thermally activated vortices and the currents induced in the *** driving current reduces the effective activation energy for vortex,giving rise to stronger vortex ***,by the thermally activated vortex creep model,we derive the effective potential barrier for vortex dissipation,which shows well-defined correspondence with structures in *** work shows that low-dimensional crystalline superconducting network based on Mo_(2)C possesses pronounced potential in studying the modulation of vortex arrangements and dynamics,paving the way for further investigations on crystalline superconducting network with various configurations.

关键词： superconducting wire-network crystalline superconductor vortex dynamics low temperature transport

Heterogeneous relational message passing networks for molecular dynamics simulations

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npj Computational Materials 2022年第1期8卷 509-517页

作者： Zun Wang Chong Wang Sibo Zhao Yong Xu Shaogang Hao Chang Yu Hsieh Bing-Lin Gu Wenhui Duan State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics Tsinghua UniversityBeijingChina Tencent Quantum Lab TencentShenzhenGuangdong518057China Department of Physics Carnegie Mellon UniversityPittsburghPAUSA Frontier Science center for Quantum Information Beijing100084China RIKEN center for Emergent Matter Science(CEMS) WakoSaitama351-0198Japan Institute for Advanced Study Tsinghua UniversityBeijing100084China

With many frameworks based on message passing neural networks proposed to predict molecular and bulk properties,machine learning methods have tremendously shifted the paradigms of computational sciences underpinning physics,material science,chemistry,and *** existing machine learning models have yielded superior performances in many occasions,most of them model and process molecular systems in terms of homogeneous graph,which severely limits the expressive power for representing diverse *** practice,graph data with multiple node and edge types is ubiquitous and more appropriate for molecular ***,we propose the heterogeneous relational message passing network(HermNet),an end-to-end heterogeneous graph neural networks,to efficiently express multiple interactions in a single model with ab initio *** performs impressively against many top-performing models on both molecular and extended ***,HermNet outperforms other tested models in nearly 75%,83%and 69%of tasks on revised Molecular Dynamics 17(rMD17),Quantum Machines 9(QM9)and extended systems datasets,*** addition,molecular dynamics simulations and material property calculations are performed with HermNet to demonstrate its ***,we elucidate how the design of HermNet is compatible with quantum mechanics from the perspective of the density functional ***,HermNet is a universal framework,whose sub-networks could be replaced by other advanced models.

关键词： theory passing dynamics