1
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Wang L, Jin G, Zhou Q, Liu Y, Zhao X, Li Z, Yin N, Peng M. Induction of immortal-like and functional CAR T cells by defined factors. J Exp Med 2024; 221:e20232368. [PMID: 38530240 DOI: 10.1084/jem.20232368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/10/2024] [Accepted: 03/04/2024] [Indexed: 03/27/2024] Open
Abstract
Long-term antitumor efficacy of chimeric antigen receptor (CAR) T cells depends on their functional persistence in vivo. T cells with stem-like properties show better persistence, but factors conferring bona fide stemness to T cells remain to be determined. Here, we demonstrate the induction of CAR T cells into an immortal-like and functional state, termed TIF. The induction of CARTIF cells depends on the repression of two factors, BCOR and ZC3H12A, and requires antigen or CAR tonic signaling. Reprogrammed CARTIF cells possess almost infinite stemness, similar to induced pluripotent stem cells while retaining the functionality of mature T cells, resulting in superior antitumor effects. Following the elimination of target cells, CARTIF cells enter a metabolically dormant state, persisting in vivo with a saturable niche and providing memory protection. TIF represents a novel state of T cells with unprecedented stemness, which confers long-term functional persistence of CAR T cells in vivo and holds broad potential in T cell therapies.
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Affiliation(s)
- Lixia Wang
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Gang Jin
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Qiuping Zhou
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Yanyan Liu
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Xiaocui Zhao
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Zhuoyang Li
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Na Yin
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
| | - Min Peng
- State Key Laboratory of Molecular Oncology, Beijing Key Laboratory for Immunological Research on Chronic Diseases, School of Medicine, Institute for Immunology, Tsinghua University, Beijing, China
- SXMU-Tsinghua Collaborative Innovation Center for Frontier Medicine , Taiyuan, China
- Tsinghua-Peking Center for Life Sciences , Beijing, China
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2
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Zhao Y, Zhang B, Ma Y, Guo M, Zhao F, Chen J, Wang B, Jin H, Zhou F, Guan J, Zhao Q, Liu Q, Wang H, Zhao F, Wang X. Distinct molecular profiles drive multifaceted characteristics of colorectal cancer metastatic seeds. J Exp Med 2024; 221:e20231359. [PMID: 38502057 PMCID: PMC10949939 DOI: 10.1084/jem.20231359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/10/2023] [Accepted: 02/08/2024] [Indexed: 03/20/2024] Open
Abstract
Metastasis of primary tumors remains a challenge for early diagnosis and prevention. The cellular properties and molecular drivers of metastatically competent clones within primary tumors remain unclear. Here, we generated 10-16 single cell-derived lines from each of three colorectal cancer (CRC) tumors to identify and characterize metastatic seeds. We found that intrinsic factors conferred clones with distinct metastatic potential and cellular communication capabilities, determining organ-specific metastasis. Poorly differentiated or highly metastatic clones, rather than drug-resistant clones, exhibited poor clinical prognostic impact. Personalized genetic alterations, instead of mutation burden, determined the occurrence of metastatic potential during clonal evolution. Additionally, we developed a gene signature for capturing metastatic potential of primary CRC tumors and demonstrated a strategy for identifying metastatic drivers using isogenic clones with distinct metastatic potential in primary tumors. This study provides insight into the origin and mechanisms of metastasis and will help develop potential anti-metastatic therapeutic targets for CRC patients.
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Affiliation(s)
- Yuanyuan Zhao
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
- Institute for Intelligent Healthcare, Tsinghua University, Beijing, China
| | - Bing Zhang
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yiming Ma
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mengmeng Guo
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Fuqiang Zhao
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jianan Chen
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bingzhi Wang
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hua Jin
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Fulai Zhou
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Jiawei Guan
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Qian Zhao
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Qian Liu
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hongying Wang
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fangqing Zhao
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China
- Key Laboratory of Systems Biology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China
| | - Xia Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
- Institute for Intelligent Healthcare, Tsinghua University, Beijing, China
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3
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He X, Gao X, Xie W. Research Progress in Skin Aging and Immunity. Int J Mol Sci 2024; 25:4101. [PMID: 38612909 PMCID: PMC11012511 DOI: 10.3390/ijms25074101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 04/14/2024] Open
Abstract
Skin aging is a complex process involving structural and functional changes and is characterized by a decrease in collagen content, reduced skin thickness, dryness, and the formation of wrinkles. This process is underpinned by multiple mechanisms including the free radical theory, inflammation theory, photoaging theory, and metabolic theory. The skin immune system, an indispensable part of the body's defense mechanism, comprises macrophages, lymphocytes, dendritic cells, and mast cells. These cells play a pivotal role in maintaining skin homeostasis and responding to injury or infection. As age advances, along with various internal and external environmental stimuli, skin immune cells may undergo senescence or accelerated aging, characterized by reduced cell division capability, increased mortality, changes in gene expression patterns and signaling pathways, and altered immune cell functions. These changes collectively impact the overall function of the immune system. This review summarizes the relationship between skin aging and immunity and explores the characteristics of skin aging, the composition and function of the skin immune system, the aging of immune cells, and the effects of these cells on immune function and skin aging. Immune dysfunction plays a significant role in skin aging, suggesting that immunoregulation may become one of the important strategies for the prevention and treatment of skin aging.
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Affiliation(s)
- Xin He
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Xinyu Gao
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Weidong Xie
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
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4
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Feng X, Xu S, Li Y, Liu J. Body size as a metric for the affordable world. eLife 2024; 12:RP90583. [PMID: 38547366 PMCID: PMC10987089 DOI: 10.7554/elife.90583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024] Open
Abstract
The physical body of an organism serves as a vital interface for interactions with its environment. Here, we investigated the impact of human body size on the perception of action possibilities (affordances) offered by the environment. We found that the body size delineated a distinct boundary on affordances, dividing objects of continuous real-world sizes into two discrete categories with each affording distinct action sets. Additionally, the boundary shifted with imagined body sizes, suggesting a causal link between body size and affordance perception. Intriguingly, ChatGPT, a large language model lacking physical embodiment, exhibited a modest yet comparable affordance boundary at the scale of human body size, suggesting the boundary is not exclusively derived from organism-environment interactions. A subsequent fMRI experiment offered preliminary evidence of affordance processing exclusively for objects within the body size range, but not for those beyond. This suggests that only objects capable of being manipulated are the objects capable of offering affordance in the eyes of an organism. In summary, our study suggests a novel definition of object-ness in an affordance-based context, advocating the concept of embodied cognition in understanding the emergence of intelligence constrained by an organism's physical attributes.
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Affiliation(s)
- Xinran Feng
- Department of Psychology & Tsinghua Laboratory of Brain and Intelligence, Tsinghua UniversityBeijingChina
| | - Shan Xu
- Faculty of Psychology, Beijing Normal UniversityBeijingChina
| | - Yuannan Li
- Department of Psychology & Tsinghua Laboratory of Brain and Intelligence, Tsinghua UniversityBeijingChina
| | - Jia Liu
- Department of Psychology & Tsinghua Laboratory of Brain and Intelligence, Tsinghua UniversityBeijingChina
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5
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Yu T, Zheng J, Su S, Wang Y, Xu J, Liu Z. Zinc Oxide Nanoclusters Encapsulated in MFI Zeolite as a Highly Stable Adsorbent for the Ultradeep Removal of Hydrogen Sulfide. JACS Au 2024; 4:985-991. [PMID: 38559740 PMCID: PMC10976604 DOI: 10.1021/jacsau.3c00733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 04/04/2024]
Abstract
Often, trace impurities in a feed stream will cause failures in industrial applications. The efficient removal of such a trace impurity from industrial steams, however, is a daunting challenge due to the extremely small driving force for mass transfer. The issue lies in an activity-stability dilemma, that is, an ultrafine adsorbent that offers a high exposure of active sites is favorable for capturing species of a low concentration, but free-standing adsorptive species are susceptible to rapidly aggregating in working conditions, thus losing their intrinsic high activity. Confining ultrafine adsorbents in a porous matrix is a feasible solution to address this activity-stability dilemma. We herein demonstrate a proof of concept by encapsulating ZnO nanoclusters into a pure-silica MFI zeolite (ZnO@silicalite-1) for the ultradeep removal of H2S, a critical need in the purification of hydrogen for fuel cells. The Zn species and their interaction with silicalite-1 were thoroughly investigated by a collection of characterization techniques such as HADDF-STEM, UV-visible spectroscopy, DRIFTS, and 1H MAS NMR. The results show that the zeolite offers rich silanol defects, which enable the guest nanoclusters to be highly dispersed and anchored in the silicious matrix. The nanoclusters are present in two forms, Zn(OH)+ and ZnO, depending on the varying degrees of interaction with the silanol defects. The ultrafine nanoclusters exhibit an excellent desulfurization performance in terms of the adsorption rate and utilization. Furthermore, the ZnO@silicalite-1 adsorbents are remarkably stable against sintering at high temperatures, thus maintaining a high activity in multiple adsorption-regeneration cycles. The results demonstrate that the encapsulation of active metal oxide species into zeolite is a promising strategy to develop fast responsive and highly stable adsorbents for the ultradeep removal of trace impurities.
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Affiliation(s)
- Tao Yu
- State
key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Haidian District, Beijing 100084, China
| | - Jinyu Zheng
- Sinopec
Research Institute of Petroleum Processing Co., LTD., Beijing 100083, China
| | - Shikun Su
- Sinopec
Research Institute of Petroleum Processing Co., LTD., Beijing 100083, China
| | - Yundong Wang
- State
key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Haidian District, Beijing 100084, China
| | - Jianhong Xu
- State
key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Haidian District, Beijing 100084, China
| | - Zhendong Liu
- State
key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Haidian District, Beijing 100084, China
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6
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Yang X, Yuan Q, Sheng T, Wang X. Mesoporous Mo-doped PtBi intermetallic metallene superstructures to enable the complete electrooxidation of ethylene glycol. Chem Sci 2024; 15:4349-4357. [PMID: 38516075 PMCID: PMC10952108 DOI: 10.1039/d4sc00323c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 02/12/2024] [Indexed: 03/23/2024] Open
Abstract
Metallenes, intermetallic compounds, and porous nanocrystals are the three types of most promising advanced nanomaterials for practical fuel cell devices, but how to integrate the three structural features into a single nanocrystal remains a huge challenge. Herein, we report an efficient one-step method to construct freestanding mesoporous Mo-doped PtBi intermetallic metallene superstructures (denoted M-PtBiMo IMSs) as highly active and stable ethylene glycol oxidation reaction (EGOR) catalysts. The materials retained their catalytic performance, even in complex direct ethylene glycol fuel cells (DEGFCs). The M-PtBiMo IMSs showed EGOR mass and specific activities of 24.0 A mgPt-1 and 61.1 mA cm-2, respectively, which were both dramatically higher than those of benchmark Pt black and Pt/C. In situ infrared spectra showed that ethylene glycol underwent complete oxidation via a 10-electron CO-free pathway over the M-PtBiMo IMSs. Impressively, M-PtBiMo IMSs demonstrated a much higher power density (173.6 mW cm-2) and stability than Pt/C in DEGFCs. Density functional theory calculations revealed that oxophilic Mo species promoted the EGOR kinetics. This work provides new possibilities for designing advanced Pt-based nanomaterials to improve DEGFC performance.
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Affiliation(s)
- Xiaotong Yang
- State-Local Joint Laboratory for Comprehensive Utilization of Biomass, Center for R&D of Fine Chemicals, College of Chemistry and Chemical Engineering, Guizhou University Guiyang Guizhou province 550025 P. R. China
| | - Qiang Yuan
- State-Local Joint Laboratory for Comprehensive Utilization of Biomass, Center for R&D of Fine Chemicals, College of Chemistry and Chemical Engineering, Guizhou University Guiyang Guizhou province 550025 P. R. China
| | - Tian Sheng
- College of Chemistry and Materials Science, Anhui Normal University Wuhu 241000 P. R. China
| | - Xun Wang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Tsinghua University Beijing 100084 P. R. China
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7
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Chen Z, Liu C, Wang Y, Guo R, Chen W, Wang H, Song X. Free-breathing abdominal chemical exchange saturation transfer imaging using water presaturation and respiratory gating at 3.0 T. NMR Biomed 2024:e5134. [PMID: 38459747 DOI: 10.1002/nbm.5134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 01/06/2024] [Accepted: 02/06/2024] [Indexed: 03/10/2024]
Abstract
Free-breathing abdominal chemical exchange saturation transfer (CEST) has great potential for clinical application, but its technical implementation remains challenging. This study aimed to propose and evaluate a free-breathing abdominal CEST sequence. The proposed sequence employed respiratory gating (ResGat) to synchronize the data acquisition with respiratory motion and performed a water presaturation module before the CEST saturation to abolish the influence of respiration-induced repetition time variation. In vivo experiments were performed to compare different respiratory motion-control strategies and B0 offset correction methods, and to evaluate the effectiveness and necessity of the quasi-steady-state (QUASS) approach for correcting the influence of the water presaturation module on CEST signal. ResGat with a target expiratory phase of 0.5 resulted in a higher structural similarity index and a lower coefficient of variation on consecutively acquired CEST S0 images than breath-holding (BH) and respiratory triggering (all p < 0.05). B0 maps derived from the abdominal CEST dataset itself were more stable for B0 correction, compared with the separately acquired B0 maps by a dual-echo time scan and B0 maps derived from the water saturation shift referencing approach. Compared with BH, ResGat yielded more homogeneous magnetization transfer ratio asymmetry maps at 3.5 ppm (standard deviation: 3.96% vs. 3.19%, p = 0.036) and a lower mean squared difference between scan and rescan (27.52‱ vs. 16.82‱, p = 0.004). The QUASS approach could correct the water presaturation-induced CEST signal change, but its necessity for in vivo scanning needs further verification. The proposed free-breathing abdominal CEST sequence using ResGat had an acquisition efficiency of approximately four times that using BH. In conclusion, the proposed free-breathing abdominal CEST sequence using ResGat and water presaturation has a higher acquisition efficiency and image quality than abdominal CEST using BH.
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Affiliation(s)
- Zhensen Chen
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence (Fudan University), Ministry of Education, Shanghai, China
| | - Chuyu Liu
- Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine Tsinghua University, Beijing, China
| | | | - Rui Guo
- School of Medical Technology, Beijing Institute of Technology, Beijing, China
| | | | - He Wang
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence (Fudan University), Ministry of Education, Shanghai, China
- Human Phenome Institute, Fudan University, Shanghai, China
| | - Xiaolei Song
- Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine Tsinghua University, Beijing, China
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8
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Li XC, Cheng Y, Wang XD, Tong S, Wang MX. De novo synthesis of inherently chiral heteracalix[4]aromatics from enantioselective macrocyclization enabled by chiral phosphoric acid-catalyzed intramolecular S NAr reaction. Chem Sci 2024; 15:3610-3615. [PMID: 38455024 PMCID: PMC10915842 DOI: 10.1039/d3sc06436k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/24/2024] [Indexed: 03/09/2024] Open
Abstract
We report herein the synthesis of highly enantiopure inherently chiral N3,O-calix[2]arene[2]triazines from enantioselective macrocyclization enabled by chiral phosphoric acid-catalyzed intramolecular nucleophilic aromatic substitution reaction. In contrast to documented examples, the inherent chirality of the acquired compounds arises from one heteroatom difference in the linking positions of heteracalix[4](het)arenes.
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Affiliation(s)
- Xing-Chi Li
- College of Chemistry, Beijing Normal University Beijing 100875 China
| | - Ying Cheng
- College of Chemistry, Beijing Normal University Beijing 100875 China
| | - Xu-Dong Wang
- Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
| | - Shuo Tong
- MOE Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University Beijing 100084 China
| | - Mei-Xiang Wang
- MOE Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University Beijing 100084 China
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9
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Qi S, Zhang X, Yu X, Jin L, Yang K, Wang Y, Feng Y, Lei J, Mao Z, Yu G. Supramolecular Lipid Nanoparticles Based on Host-Guest Recognition: A New Generation Delivery System of mRNA Vaccines For Cancer Immunotherapy. Adv Mater 2024:e2311574. [PMID: 38433564 DOI: 10.1002/adma.202311574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/19/2024] [Indexed: 03/05/2024]
Abstract
Dendritic cell (DC) maturation is a crucial process for antigen presentation and the initiation of T cell-mediated immune responses. Toll-like receptors play pivotal roles in stimulating DC maturation and promoting antigen presentation. Here, a novel message RNA (mRNA) cancer vaccine is reported that boosts antitumor efficacy by codelivering an mRNA encoding tumor antigen and a TLR7/8 agonist (R848) to DC using supramolecular lipid nanoparticles (SMLNP) as a delivery platform, in which a new ionizable lipid (N2-3L) remarkably enhances the translation efficiency of mRNA and a β-cyclodextrin (β-CD)-modified ionizable lipid (Lip-CD) encapsulates R848. The incorporation of R848 adjuvant into the mRNA vaccine through noncovalent host-guest complexation significantly promotes DC maturation and antigen presentation after vaccination, thus resulting in superior antitumor efficacy in vivo. Moreover, the antitumor efficacy is further boosted synergized with immune checkpoint blockade by potentiating the anticancer capability of cytotoxic T lymphocytes infiltrated in tumor sites. This work indicates that SMLNP shows brilliant potential as next-generation delivery system in the development of mRNA vaccines with high efficacy.
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Affiliation(s)
- Shaolong Qi
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Xueyan Zhang
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Xinyang Yu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Lulu Jin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer, Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Kai Yang
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer, Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Yangfan Wang
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Yunxuan Feng
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Jiaqi Lei
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Zhengwei Mao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer, Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
- Department of Hepatobiliary and Pancreatic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Guocan Yu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
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10
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Li R, Chen X, Yang X. Navigating the landscapes of spatial transcriptomics: How computational methods guide the way. Wiley Interdiscip Rev RNA 2024; 15:e1839. [PMID: 38527900 DOI: 10.1002/wrna.1839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 02/24/2024] [Accepted: 03/04/2024] [Indexed: 03/27/2024]
Abstract
Spatially resolved transcriptomics has been dramatically transforming biological and medical research in various fields. It enables transcriptome profiling at single-cell, multi-cellular, or sub-cellular resolution, while retaining the information of geometric localizations of cells in complex tissues. The coupling of cell spatial information and its molecular characteristics generates a novel multi-modal high-throughput data source, which poses new challenges for the development of analytical methods for data-mining. Spatial transcriptomic data are often highly complex, noisy, and biased, presenting a series of difficulties, many unresolved, for data analysis and generation of biological insights. In addition, to keep pace with the ever-evolving spatial transcriptomic experimental technologies, the existing analytical theories and tools need to be updated and reformed accordingly. In this review, we provide an overview and discussion of the current computational approaches for mining of spatial transcriptomics data. Future directions and perspectives of methodology design are proposed to stimulate further discussions and advances in new analytical models and algorithms. This article is categorized under: RNA Methods > RNA Analyses in Cells RNA Evolution and Genomics > Computational Analyses of RNA RNA Export and Localization > RNA Localization.
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Affiliation(s)
- Runze Li
- MOE Key Laboratory of Bioinformatics, Center for Synthetic & Systems Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Xu Chen
- MOE Key Laboratory of Bioinformatics, Center for Synthetic & Systems Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Xuerui Yang
- MOE Key Laboratory of Bioinformatics, Center for Synthetic & Systems Biology, School of Life Sciences, Tsinghua University, Beijing, China
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Li X, Cheng J, Hou H, Meira DM, Liu L. Reactant-Induced Structural Evolution of Pt Catalysts Confined in Zeolite. JACS Au 2024; 4:666-679. [PMID: 38425920 PMCID: PMC10900205 DOI: 10.1021/jacsau.3c00732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/13/2024] [Accepted: 01/16/2024] [Indexed: 03/02/2024]
Abstract
Reactant-induced structural evolutions of heterogeneous metal catalysts are frequently observed in numerous catalytic systems, which can be associated with the formation or deactivation of active sites. In this work, we will show the structural transformation of subnanometer Pt clusters in pure-silica MFI zeolite structure in the presence of CO, O2, and/or H2O and the catalytic consequences of the Pt-zeolite materials derived from various treatment conditions. By applying the appropriate pretreatment under a reactant atmosphere, we can precisely modulate the size distribution of Pt species spanning from single Pt atoms to small Pt nanoparticles (1-5 nm) in the zeolite matrix, resulting in the desirably active and stable Pt species for CO oxidation. We also show the incorporation of Fe into the zeolite framework greatly promotes the stability of Pt species against undesired sintering under harsh conditions (up to 650 °C in the presence of CO, O2, and moisture).
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Affiliation(s)
- Xiaoyu Li
- Engineering
Research Center of Advanced Rare Earth Materials, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jinling Cheng
- Engineering
Research Center of Advanced Rare Earth Materials, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Huaming Hou
- National
Energy Center for Coal to Clean Fuels, Synfuels
China Co., Ltd., Huairou
District, Beijing 101407, China
| | - Debora M. Meira
- CLS@APS
sector 20, Advanced Photon Source, Argonne
National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
- Canadian
Light Source Inc., 44 Innovation Boulevard, Saskatoon, Saskatchewan S7N 2 V3, Canada
| | - Lichen Liu
- Engineering
Research Center of Advanced Rare Earth Materials, Department of Chemistry, Tsinghua University, Beijing 100084, China
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12
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Kou T, Kang L, Zhang B, Li J, Zhao B, Zeng W, Hu X. RBP-J regulates homeostasis and function of circulating Ly6C lo monocytes. eLife 2024; 12:RP88135. [PMID: 38407952 PMCID: PMC10942619 DOI: 10.7554/elife.88135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024] Open
Abstract
Notch-RBP-J signaling plays an essential role in the maintenance of myeloid homeostasis. However, its role in monocyte cell fate decisions is not fully understood. Here, we showed that conditional deletion of transcription factor RBP-J in myeloid cells resulted in marked accumulation of blood Ly6Clo monocytes that highly expressed chemokine receptor CCR2. Bone marrow transplantation and parabiosis experiments revealed a cell-intrinsic requirement of RBP-J for controlling blood Ly6CloCCR2hi monocytes. RBP-J-deficient Ly6Clo monocytes exhibited enhanced capacity competing with wildtype counterparts in blood circulation. In accordance with alterations of circulating monocytes, RBP-J deficiency led to markedly increased population of lung tissues with Ly6Clo monocytes and CD16.2+ interstitial macrophages. Furthermore, RBP-J deficiency-associated phenotypes could be genetically corrected by further deleting Ccr2 in myeloid cells. These results demonstrate that RBP-J functions as a crucial regulator of blood Ly6Clo monocytes and thus derived lung-resident myeloid populations, at least in part through regulation of CCR2.
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Affiliation(s)
- Tiantian Kou
- Institute for Immunology and School of Medicine, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life Sciences, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Lan Kang
- Institute for Immunology and School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Bin Zhang
- Institute for Immunology and School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Jiaqi Li
- Institute for Immunology and School of Medicine, Tsinghua UniversityBeijingChina
| | - Baohong Zhao
- Arthritis and Tissue Degeneration Program and the David Z. Rosensweig Genomics Research Center, Hospital for Special SurgeryNew YorkUnited States
- Department of Medicine, Weill Cornell Medical CollegeNew YorkUnited States
| | - Wenwen Zeng
- Institute for Immunology and School of Medicine, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life Sciences, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Xiaoyu Hu
- Institute for Immunology and School of Medicine, Tsinghua UniversityBeijingChina
- Tsinghua-Peking Center for Life Sciences, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
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13
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Sun Y, Zhang M, Ge L. A RAB transition orchestrates membrane trafficking in unconventional protein secretion. J Cell Biol 2024; 223:e202312096. [PMID: 38180797 PMCID: PMC10770797 DOI: 10.1083/jcb.202312096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024] Open
Abstract
Rab GTPases function as intracellular molecular switches that regulate vesicular transport. In the current issue, Li et al. (https://doi.org/10.1083/jcb.202306107) revealed RAB-8 to RAB-11 transition governing the unconventional secretion of membrane proteins in the intestinal epithelium of C. elegans.
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Affiliation(s)
- Yuxin Sun
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
| | - Min Zhang
- State Key Laboratory of Membrane Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Liang Ge
- State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University, Beijing, China
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14
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Wang C, Han X, Ma X, Jiang W, Wang J, Li S, Guo H, Tian W, Chen H. Spinal cord perfusion is associated with microstructural damage in cervical spondylotic myelopathy patients who underwent cervical laminoplasty. Eur Radiol 2024; 34:1349-1357. [PMID: 37581664 DOI: 10.1007/s00330-023-10011-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 05/01/2023] [Accepted: 06/08/2023] [Indexed: 08/16/2023]
Abstract
OBJECTIVES To investigate the association between spinal cord perfusion and microstructural damage in CSM patients who underwent cervical laminoplasty using MR dynamic susceptibility contrast (DSC), diffusion tensor imaging (DTI), and neurite orientation dispersion and density imaging (NODDI) techniques. METHODS A follow-up cohort study was conducted with 53 consecutively recruited CSM patients who had undergone cervical laminoplasty 12-14 months after the surgery from April 2016 to December 2016. Twenty-one aged-matched healthy volunteers were recruited as controls. For each patient, decompressed spinal cord levels were imaged on a 3.0-T MRI scanner by diffusion and DSC sequences to quantify the degrees of microstructural damage and perfusion conditions, respectively. The diffusion data were analyzed by DTI and NODDI models to produce diffusion metrics. Classic indicator dilution model was used to quantify the DSC metrics. Mann-Whitney U test was performed for comparison of diffusion metrics between patients and healthy controls. Pearson correlation was used to explore the associations between the metrics of spinal cord perfusion and microstructural damage. RESULTS DTI metrics, neurite density, and isotropic volume fraction had significant differences between postoperative patients and healthy controls. Pearson correlation test showed that SCBV was significantly positively correlated with RD, MD, and ODI, and negatively correlated with FA and NDI. SCBF was found to be significantly positively correlated with RD and MD, and negatively correlated with FA. CONCLUSIONS Increased spinal cord perfusion quantified by DSC is associated with microstructural damage assessed by diffusion MRI in CSM patients who underwent cervical laminoplasty. CLINICAL RELEVANCE STATEMENT This study found that the spinal cord perfusion is associated with microstructural damage in postoperative cervical spondylotic myelopathy patients, indicating that high perfusion may play a role in the pathophysiological process of cervical spondylotic myelopathy and deserves more attention. KEY POINTS • Spinal cord microstructural damage can be persistent despite the compression had been relieved 12-14 months after the cervical laminoplasty in cervical spondylotic myelopathy (CSM) patients. • Spinal cord perfusion is associated with microstructural damage in CSM patients after the cervical laminoplasty. • Inflammation in the decompressed spinal cord may be a cause of increased perfusion and is associated with microstructural damage during the recovery period of CSM.
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Affiliation(s)
- Chunyao Wang
- Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China
| | - Xiao Han
- Department of Spine Surgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
- Beijing Research Institute of Traumatology and Orthopaedics, Beijing, China
| | - Xiaodong Ma
- Center for Magnetic Resonance Research, Radiology, Medical School of the University of Minnesota, Minnesota, USA
| | - Wen Jiang
- Department of Radiology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Jinchao Wang
- Department of Spine Surgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Sisi Li
- Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China
| | - Hua Guo
- Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China
| | - Wei Tian
- Department of Spine Surgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
| | - Huijun Chen
- Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China.
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15
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Guo P, Zhang L, Lu J, Zhang H, Zhu X, Wu C, Zhan X, Yin H, Wang Z, Xu Y, Wang Z. Grating-based x-ray dark-field CT for lung cancer diagnosis in mice. Eur Radiol Exp 2024; 8:12. [PMID: 38270720 PMCID: PMC10810771 DOI: 10.1186/s41747-023-00399-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 10/20/2023] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND The low absorption of x-rays in lung tissue and the poor resolution of conventional computed tomography (CT) limits its use to detect lung disease. However, x-ray dark-field imaging can sense the scattered x-rays deflected by the structures being imaged. This technique can facilitate the detection of small alveolar lesions that would be difficult to detect with conventional CT. Therefore, it may provide an alternative imaging modality to diagnose lung disease at an early stage. METHODS Eight mice were inoculated with lung cancers simultaneously. Each time two mice were scanned using a grating-based dark-field CT on days 4, 8, 12, and 16 after the introduction of the cancer cells. The detectability index was calculated between nodules and healthy parenchyma for both attenuation and dark-field modalities. High-resolution micro-CT and pathological examinations were used to crosscheck and validate our results. Paired t-test was used for comparing the ability of dark-field and attenuation modalities in pulmonary nodule detection. RESULTS The nodules were shown as a signal decrease in the dark-field modality and a signal increase in the attenuation modality. The number of nodules increased from day 8 to day 16, indicating disease progression. The detectability indices of dark-field modality were higher than those of attenuation modality (p = 0.025). CONCLUSIONS Compared with the standard attenuation CT, the dark-field CT improved the detection of lung nodules. RELEVANCE STATEMENT Dark-field CT has a higher detectability index than conventional attenuation CT in lung nodule detection. This technique could improve the early diagnosis of lung cancer. KEY POINTS • Lung cancer progression was observed using x-ray dark-field CT. • Dark-field modality complements with attenuation modality in lung nodule detection. • Dark-field modality showed a detectability index higher than that attenuation in nodule detection.
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Affiliation(s)
- Peiyuan Guo
- Department of Engineering Physics, Tsinghua University, Beijing, China
- Key Laboratory of Particle & Radiation Imaging (Tsinghua University) of Ministry of Education, Beijing, China
- Institute for Precision Medicine, Tsinghua University, Beijing, China
| | - Li Zhang
- Department of Engineering Physics, Tsinghua University, Beijing, China
- Key Laboratory of Particle & Radiation Imaging (Tsinghua University) of Ministry of Education, Beijing, China
- Institute for Precision Medicine, Tsinghua University, Beijing, China
| | - Jincheng Lu
- Department of Engineering Physics, Tsinghua University, Beijing, China
- Key Laboratory of Particle & Radiation Imaging (Tsinghua University) of Ministry of Education, Beijing, China
- Institute for Precision Medicine, Tsinghua University, Beijing, China
| | - Huitao Zhang
- School of Mathematical Sciences, Capital Normal University, Beijing, China
| | - Xiaohua Zhu
- Department of Engineering Physics, Tsinghua University, Beijing, China
- Key Laboratory of Particle & Radiation Imaging (Tsinghua University) of Ministry of Education, Beijing, China
| | - Chengpeng Wu
- Department of Engineering Physics, Tsinghua University, Beijing, China
- Key Laboratory of Particle & Radiation Imaging (Tsinghua University) of Ministry of Education, Beijing, China
| | - Xiangwen Zhan
- NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences (CAMS) and Comparative Medicine Center, Peking Union Medical College (PUMC), Beijing, China
| | - Hongxia Yin
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Zhenchang Wang
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yan Xu
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
| | - Zhentian Wang
- Department of Engineering Physics, Tsinghua University, Beijing, China.
- Key Laboratory of Particle & Radiation Imaging (Tsinghua University) of Ministry of Education, Beijing, China.
- Institute for Precision Medicine, Tsinghua University, Beijing, China.
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16
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Zhou Y, Hu J, Li B, Xia J, Zhang T, Xiong Z. Towards the Clinical Translation of 3D PLGA/β-TCP/Mg Composite Scaffold for Cranial Bone Regeneration. Materials (Basel) 2024; 17:352. [PMID: 38255520 PMCID: PMC10817297 DOI: 10.3390/ma17020352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024]
Abstract
Recent years have witnessed the rapid development of 3D porous scaffolds with excellent biocompatibility, tunable porosity, and pore interconnectivity, sufficient mechanical strength, controlled biodegradability, and favorable osteogenesis for improved results in cranioplasty. However, clinical translation of these scaffolds has lagged far behind, mainly because of the absence of a series of biological evaluations. Herein, we designed and fabricated a composite 3D porous scaffold composed of poly (lactic-co-glycolic) acid (PLGA), β-tricalcium phosphate (β-TCP), and Mg using the low-temperature deposition manufacturing (LDM) technique. The LDM-engineered scaffolds possessed highly porous and interconnected microstructures with a porosity of 63%. Meanwhile, the scaffolds exhibited mechanical properties close to that of cancellous bone, as confirmed by the compression tests. It was also found that the original composition of scaffolds could be maintained throughout the fabrication process. Particularly, two important biologic evaluations designed for non-active medical devices, i.e., local effects after implantation and subchronic systemic toxicity tests, were conducted to evaluate the local and systemic toxicity of the scaffolds. Additionally, the scaffolds exhibited significant higher mRNA levels of osteogenic genes compared to control scaffolds, as confirmed by an in vitro osteogenic differentiation test of MC3T3-E1 cells. Finally, we demonstrated the improved cranial bone regeneration performance of the scaffolds in a rabbit model. We envision that our investigation could pave the way for translating the LDM-engineered composite scaffolds into clinical products for cranial bone regeneration.
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Affiliation(s)
- Yongsen Zhou
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China; (Y.Z.); (B.L.); (J.X.); (T.Z.)
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, China
- Biomanufacturing and Engineering Living Systems, Innovation International Talents Base (111 Base), Beijing 100084, China
| | - Jingqi Hu
- National Engineering Research Center of Neuromodulation, School of Aerospace Engineering, Tsinghua University, Beijing 100084, China;
| | - Binhan Li
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China; (Y.Z.); (B.L.); (J.X.); (T.Z.)
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, China
- Biomanufacturing and Engineering Living Systems, Innovation International Talents Base (111 Base), Beijing 100084, China
| | - Jingjing Xia
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China; (Y.Z.); (B.L.); (J.X.); (T.Z.)
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, China
- Biomanufacturing and Engineering Living Systems, Innovation International Talents Base (111 Base), Beijing 100084, China
| | - Ting Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China; (Y.Z.); (B.L.); (J.X.); (T.Z.)
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, China
- Biomanufacturing and Engineering Living Systems, Innovation International Talents Base (111 Base), Beijing 100084, China
| | - Zhuo Xiong
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China; (Y.Z.); (B.L.); (J.X.); (T.Z.)
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing 100084, China
- Biomanufacturing and Engineering Living Systems, Innovation International Talents Base (111 Base), Beijing 100084, China
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17
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Zhang Y, Wu L, Mu Z, Ren L, Chen Y, Liu H, Xu L, Wang Y, Wang Y, Cheng S, Tham YC, Sheng B, Wong TY, Ji H. Letter 2 regarding "Assessing the performance of ChatGPT in answering questions regarding cirrhosis and hepatocellular carcinoma". Clin Mol Hepatol 2024; 30:113-117. [PMID: 37946373 PMCID: PMC10776295 DOI: 10.3350/cmh.2023.0440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/12/2023] Open
Affiliation(s)
- Yiwen Zhang
- Department of Endocrinology and Metabolic Hepatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Liwei Wu
- Department of Gastroenterology and Hepatology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Zepeng Mu
- Department of Endocrinology and Metabolic Hepatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Linlin Ren
- Department of Gastroenterology and Hepatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ying Chen
- Shandong Provincial Key Laboratory of Metabolic Diseases and Qingdao Key Laboratory of Gout, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hanyun Liu
- Department of Infectious Disease and Hepatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lili Xu
- Department of Endocrinology and Metabolic Hepatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yangang Wang
- Department of Endocrinology and Metabolic Hepatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yaxing Wang
- Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Susan Cheng
- Department of Cardiology, Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Yih Chung Tham
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Singapore Eye Research Institute, Singapore National Eye Center, Singapore
| | - Bin Sheng
- Department of Computer Science and Engineering, Shanghai JiaoTong University, Shanghai, China
| | - Tien Yin Wong
- Singapore Eye Research Institute, Singapore National Eye Center, Singapore
- Tsinghua Medicine, Tsinghua University, Beijing, China
| | - Hongwei Ji
- Tsinghua Medicine, Tsinghua University, Beijing, China
- Department of Internal Medicine, Beijing Tsinghua Changgung Hospital, Beijing, China
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18
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Mo X, Zhang Y, Wang Z, Zhou X, Zhang Z, Fang Y, Fan Z, Guo Y, Zhang T, Xiong Z. Satellite-Based On-Orbit Printing of 3D Tumor Models. Adv Mater 2023:e2309618. [PMID: 38145905 DOI: 10.1002/adma.202309618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/20/2023] [Indexed: 12/27/2023]
Abstract
Space three dimension (3D) bioprinting provides a precise and bionic tumor model for evaluating the compound effect of the space environment on tumors, thereby providing insight into the progress of the disease and potential treatments. However, space 3D bioprinting faces several challenges, including prelaunch uncertainty, possible liquid leakage, long-term culture in space, automatic equipment control, data acquisition, and transmission. Here, a novel satellite-based 3D bioprinting device with high structural strength, small volume, and low weight (<6 kg) is developed. A microgel-based biphasic thermosensitive bioink and suspension medium that supports the on-orbit printing and in situ culture of complex tumor models is developed. An intelligent control algorithm that enables the automatic control of 3D printing, autofocusing, fluorescence imaging, and data transfer back to the ground is developed. To the authors' knowledge, this is the first time that on-orbit printing of tumor models is achieved in space with stable morphology and moderate viability via a satellite. It is found that 3D tumor models are more sensitive to antitumor drugs in space than on Earth. This study opens up a new avenue for 3D bioprinting in space and offers new possibilities for future research in space life science and medicine.
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Affiliation(s)
- Xingwu Mo
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Yanmei Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zixuan Wang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Xianhao Zhou
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zhenrui Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Yongcong Fang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zilian Fan
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Yihan Guo
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Ting Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zhuo Xiong
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
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19
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Yan T, Wang R, Yao J, Luo M. Single-cell transcriptomic analysis reveals rich pituitary-Immune interactions under systemic inflammation. PLoS Biol 2023; 21:e3002403. [PMID: 38109308 PMCID: PMC10727439 DOI: 10.1371/journal.pbio.3002403] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 10/26/2023] [Indexed: 12/20/2023] Open
Abstract
The pituitary represents an essential hub in the hypothalamus-pituitary-adrenal (HPA) axis. Pituitary hormone-producing cells (HPCs) release several hormones to regulate fundamental bodily functions under normal and stressful conditions. It is well established that the pituitary endocrine gland modulates the immune system by releasing adrenocorticotropic hormone (ACTH) in response to neuronal activation in the hypothalamus. However, it remains unclear how systemic inflammation regulates the transcriptomic profiles of pituitary HPCs. Here, we performed single-cell RNA-sequencing (scRNA-seq) of the mouse pituitary and revealed that upon inflammation, all major pituitary HPCs respond robustly in a cell type-specific manner, with corticotropes displaying the strongest reaction. Systemic inflammation also led to the production and release of noncanonical bioactive molecules, including Nptx2 by corticotropes, to modulate immune homeostasis. Meanwhile, HPCs up-regulated the gene expression of chemokines that facilitated the communication between the HPCs and immune cells. Together, our study reveals extensive interactions between the pituitary and immune system, suggesting multifaceted roles of the pituitary in mediating the effects of inflammation on many aspects of body physiology.
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Affiliation(s)
- Ting Yan
- School of Life Sciences, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
- Chinese Institute for Brain Research, Beijing, China
- National Institute of Biological Sciences (NIBS), Beijing, China
| | - Ruiyu Wang
- Chinese Institute for Brain Research, Beijing, China
- National Institute of Biological Sciences (NIBS), Beijing, China
- PTN Graduate Program, School of Life Sciences, Peking University, Beijing, China
| | - Jingfei Yao
- National Institute of Biological Sciences (NIBS), Beijing, China
| | - Minmin Luo
- Chinese Institute for Brain Research, Beijing, China
- National Institute of Biological Sciences (NIBS), Beijing, China
- Tsinghua Institute of Multidisciplinary Biomedical Research (TIMBR), Beijing, China
- New Cornerstone Science Laboratory, Shenzhen, China
- Research Unit of Medical Neurobiology, Chinese Academy of Medical Sciences, Beijing, China
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20
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Yu X, Qi S, Cao F, Yang K, Li H, Peng K, Liu Z, Bai B, Buljan M, Chen X, Yu G. Fabrication of An Immunostimulatory Supramolecular Nanomedicine for Potent Cancer Chemoimmunotherapy. JACS Au 2023; 3:3181-3193. [PMID: 38034980 PMCID: PMC10685430 DOI: 10.1021/jacsau.3c00515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/22/2023] [Accepted: 10/23/2023] [Indexed: 12/02/2023]
Abstract
Chemoimmunotherapy can boost strong antitumor immune responses by triggering immunogenic cell death (ICD), which highlights a promising prospect in clinical applications. However, current chemoimmunotherapy shows limited efficacy due to the low delivery efficiency and insufficient immunogenicity of available chemotherapeutic drugs. A supramolecular polymeric nanomedicine (Pt-Tu@NP) is herein reported using cucurbit[7]uril-based host-guest recognition and noncovalent self-assembly. Pt-Tu@NPs have excellent biodistribution and strongly evoke the endoplasmic reticulum stress-mediated ICD of tumor cells, triggering potent antitumor immune responses by promoting dendritic cell (DC) maturation and cytotoxic T cell infiltration. The coordinated butyrate promotes a positive feedback regulation between DCs and CD8+ T cells. Pt-Tu@NPs stimulate immune cold tumors into hot ones, working in synergy with an immune checkpoint blockade to effectively suppress tumor growth and metastasis, which suggests a promising approach for cancer chemoimmunotherapy.
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Affiliation(s)
- Xinyang Yu
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology,
Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Shaolong Qi
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology,
Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Fangfang Cao
- Yong
Loo Lin School of Medicine and College of Design and Engineering, National University of Singapore, Singapore 119074, Singapore
| | - Kai Yang
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology,
Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Hongjian Li
- School
of Medicine, Tsinghua University, Beijing 100084, P. R. China
| | - Kun Peng
- School
of Medicine, Tsinghua University, Beijing 100084, P. R. China
| | - Zhida Liu
- Shanxi
Academy of Advanced Research and Innovation, Taiyuan 030032, P. R. China
| | - Bing Bai
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology,
Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Marija Buljan
- Empa,
Swiss Federal Laboratories for Materials Science and Technology, 9014 St. Gallen, Switzerland
| | - Xiaoyuan Chen
- Yong
Loo Lin School of Medicine and College of Design and Engineering, National University of Singapore, Singapore 119074, Singapore
| | - Guocan Yu
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology,
Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
- School
of Medicine, Tsinghua University, Beijing 100084, P. R. China
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21
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Zhang K, Dou X, Hou H, Zhou Z, Lopez-Haro M, Meira DM, Liu P, He P, Liu L. Generation of Subnanometer Metal Clusters in Silicoaluminate Zeolites as Bifunctional Catalysts. JACS Au 2023; 3:3213-3226. [PMID: 38034962 PMCID: PMC10685439 DOI: 10.1021/jacsau.3c00548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 12/02/2023]
Abstract
Zeolite-encapsulated subnanometer metal catalysts are an emerging class of solid catalysts with superior performances in comparison to metal catalysts supported on open-structure solid carriers. Currently, there is no general synthesis methodology for the encapsulation of subnanometer metal catalysts in different zeolite structures. In this work, we will show a general synthesis method for the encapsulation of subnanometer metal clusters (Pt, Pd, and Rh) within various silicoaluminate zeolites with different topologies (MFI, CHA, TON, MOR). The successful generation of subnanometer metal species in silicoaluminate zeolites relies on the introduction of Sn, which can suppress the migration of subnanometer metal species during high-temperature oxidation-reduction treatments according to advanced electron microscopy and spectroscopy characterizations. The advantage of encapsulated subnanometer Pt catalysts in silicoaluminate zeolites is reflected in the direct coupling of ethane and benzene for production of ethylbenzene, in which the Pt and the acid sites work in a synergistic way.
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Affiliation(s)
- Kun Zhang
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaomeng Dou
- Department
of Chemistry, Tsinghua University, Beijing 100084, China
| | - Huaming Hou
- National
Energy Center for Coal to Clean Fuels, Synfuels
China Technology Co., Ltd., Beijing 101407, China
| | - Ziyu Zhou
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Miguel Lopez-Haro
- Departamento
de Ciencia de los Materiales e Ingeniería Metalúrgica
y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, Cádiz 11519, Spain
| | - Debora M. Meira
- CLS@APS
sector
20, Advanced Photon Source, Argonne National
Laboratory, 9700 S. Cass
Avenue, Argonne, Illinois 60439, United States
- Canadian
Light Source Inc., 44 Innovation Boulevard, Saskatoon, Saskatchewan S7N 2V3, Canada
| | - Ping Liu
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Peng He
- State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National
Energy Center for Coal to Clean Fuels, Synfuels
China Technology Co., Ltd., Beijing 101407, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Lichen Liu
- Department
of Chemistry, Tsinghua University, Beijing 100084, China
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22
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Yang Y, Zhang Y, Xing X, Xu G, Lin X, Wang Y, Chen M, Wang C, Zhang B, Han W, Hu X. IL-6 translation is a therapeutic target of human cytokine release syndrome. J Exp Med 2023; 220:e20230577. [PMID: 37584653 PMCID: PMC10432851 DOI: 10.1084/jem.20230577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/24/2023] [Accepted: 07/26/2023] [Indexed: 08/17/2023] Open
Abstract
Chimeric antigen receptor (CAR) T therapies have achieved remarkable success for treating hematologic malignancies, yet are often accompanied by severe cytokine release syndrome (CRS). Here, an accidental clinical observation raised the possibility that metoprolol, an FDA-approved β1 adrenergic receptor blocker widely used for cardiovascular conditions, may alleviate CAR T-induced CRS. Metoprolol effectively blocked IL-6 production in human monocytes through unexpected mechanisms of action of targeting IL-6 protein translation but not IL6 mRNA expression. Mechanistically, metoprolol diminished IL-6 protein synthesis via attenuating eEF2K-eEF2 axis-regulated translation elongation. Furthermore, an investigator-initiated phase I/II clinical trial demonstrated a favorable safety profile of metoprolol in CRS management and showed that metoprolol significantly alleviated CAR T-induced CRS without compromising CAR T efficacy. These results repurposed metoprolol, a WHO essential drug, as a potential therapeutic for CRS and implicated IL-6 translation as a mechanistic target of metoprolol, opening venues for protein translation-oriented drug developments for human inflammatory diseases.
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Affiliation(s)
- Yuzhuo Yang
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Yajing Zhang
- Department of Bio-Therapeutic, The First Medical Center, Chinese People’s Liberation Army General Hospital, Beijing, China
| | - Xiaoyan Xing
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Gang Xu
- Ministry of Education Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
- Center for Synthetic and Systems Biology, Tsinghua University, Beijing, China
| | - Xin Lin
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Yao Wang
- Department of Bio-Therapeutic, The First Medical Center, Chinese People’s Liberation Army General Hospital, Beijing, China
| | - Meixia Chen
- Department of Bio-Therapeutic, The First Medical Center, Chinese People’s Liberation Army General Hospital, Beijing, China
| | - Chunmeng Wang
- Department of Bio-Therapeutic, The First Medical Center, Chinese People’s Liberation Army General Hospital, Beijing, China
| | - Bin Zhang
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Weidong Han
- Department of Bio-Therapeutic, The First Medical Center, Chinese People’s Liberation Army General Hospital, Beijing, China
| | - Xiaoyu Hu
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
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23
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Zhang S, Sun Z, Liu Q, Wang Z, Wu Q, Yue L, Xu S, Hu T, Li R, Zhou X, Yuan J, Gu G, Dong T, Wang N. Revealing the frequency-dependent oscillations in the nonlinear terahertz response induced by the Josephson current. Natl Sci Rev 2023; 10:nwad163. [PMID: 37818116 PMCID: PMC10561709 DOI: 10.1093/nsr/nwad163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/15/2023] [Accepted: 05/15/2023] [Indexed: 10/12/2023] Open
Abstract
Nonlinear responses of superconductors to intense terahertz radiation has been an active research frontier. Using terahertz pump-terahertz probe spectroscopy, we investigate the c-axis nonlinear optical response of a high-temperature superconducting cuprate. After excitation by a single-cycle terahertz pump pulse, the reflectivity of the probe pulse oscillates as the pump-probe delay is varied. Interestingly, the oscillatory central frequency scales linearly with the probe frequency, a fact widely overlooked in pump-probe experiments. By theoretically solving the nonlinear optical reflection problem on the interface, we show that our observation is well explained by the Josephson-type third-order nonlinear electrodynamics, together with the emission coefficient from inside the material into free space. The latter results in a strong enhancement of the emitted signal whose physical frequency is around the Josephson plasma edge. Our result offers a benchmark for and new insights into strong-field terahertz spectroscopy of related quantum materials.
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Affiliation(s)
- Sijie Zhang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Zhiyuan Sun
- State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China
| | - Qiaomei Liu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Zixiao Wang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Qiong Wu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Li Yue
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Shuxiang Xu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Tianchen Hu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Rongsheng Li
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Xinyu Zhou
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Jiayu Yuan
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Genda Gu
- Condensed Matter Physics and Materials Science Department, Brookhaven National Lab, Upton, NY 11973, USA
| | - Tao Dong
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
| | - Nanlin Wang
- International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
- Beijing Academy of Quantum Information Sciences, Beijing 100913, China
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24
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Hai G, Wang H. A Readily Achieved Potentiostatic Method in Density Functional Theory Calculation for Improved Prediction of the Performance for Electrocatalytic Nitrogen Reduction Reaction. Small Methods 2023; 7:e2300756. [PMID: 37670561 DOI: 10.1002/smtd.202300756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/15/2023] [Indexed: 09/07/2023]
Abstract
Accurate prediction of the catalytic performance of nitrogen reduction reaction catalysts based on density functional theory (DFT) calculation is of great significance for developing catalytic materials for nitrogen fixation. However, the applied electrode potential induced the fixation of Fermi level and solvation effect are commonly ignored in the current computational hydrogen electrode method, which leads to the large deviation between the calculation predicted limit potential and the experimentally measured limit potential. In this work, the simple external iteration method is proposed to simulate the Fermi level of the catalysts that are fixed by the applied electrode potential, along with the hybrid solvent model to describe the strong interaction, such as hydrogen bond, between the solvent molecules and the intermediates. This method allowed the theoretical and experimental limit potentials to be in good agreement, indicating the significant effect of the electrode potential and solvation in the DFT calculation. These results will guide the calculation-based prediction of other reaction systems in the field of electrocatalysis.
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Affiliation(s)
- Guangtong Hai
- Beijing Key Laboratory for Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Haihui Wang
- Beijing Key Laboratory for Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
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25
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Zhang J, Feng K, Li Z, Yang B, Yan B, Luo KH. Defect-Driven Efficient Selective CO 2 Hydrogenation with Mo-Based Clusters. JACS Au 2023; 3:2736-2748. [PMID: 37885587 PMCID: PMC10598559 DOI: 10.1021/jacsau.3c00206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 10/28/2023]
Abstract
Synthetic fuels produced from CO2 show promise in combating climate change. The reverse water gas shift (RWGS) reaction is the key to opening the CO2 molecule, and CO serves as a versatile intermediate for creating various hydrocarbons. Mo-based catalysts are of great interest for RWGS reactions featured for their stability and strong metal-oxygen interactions. Our study identified Mo defects as the intrinsic origin of the high activity of cluster Mo2C for CO2-selective hydrogenation. Specifically, we found that defected Mo2C clusters supported on nitrogen-doped graphene exhibited exceptional catalytic performance, attaining a reaction rate of 6.3 gCO/gcat/h at 400 °C with over 99% CO selectivity and good stability. Such a catalyst outperformed other Mo-based catalysts and noble metal-based catalysts in terms of facile dissociation of CO2, highly selective hydrogenation, and nonbarrier liberation of CO. Our study revealed that as a potential descriptor, the atomic magnetism linearly correlates to the liberation capacity of CO, and Mo defects facilitated product desorption by reducing the magnetization of the adsorption site. On the other hand, the defects were effective in neutralizing the negative charges of surface hydrogen, which is crucial for selective hydrogenation. Finally, we have successfully demonstrated that the combination of a carbon support and the carbonization process synergistically serves as a feasible strategy for creating rich Mo defects, and biochar can be a low-cost alternative option for large-scale applications.
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Affiliation(s)
- Jiajun Zhang
- National
Engineering Research Center of Green Recycling for Strategic Metal
Resources, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Center
for Combustion Energy, Key Laboratory for Thermal Science and Power
Engineering of Ministry of Education, International Joint Laboratory
on Low Carbon Clean Energy Innovation, Tsinghua
University, Beijing 100084, China
| | - Kai Feng
- Department
of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Zhengwen Li
- Department
of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Bin Yang
- Center
for Combustion Energy, Key Laboratory for Thermal Science and Power
Engineering of Ministry of Education, International Joint Laboratory
on Low Carbon Clean Energy Innovation, Tsinghua
University, Beijing 100084, China
| | - Binhang Yan
- Department
of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Kai Hong Luo
- Center
for Combustion Energy, Key Laboratory for Thermal Science and Power
Engineering of Ministry of Education, International Joint Laboratory
on Low Carbon Clean Energy Innovation, Tsinghua
University, Beijing 100084, China
- Department
of Mechanical Engineering, University College
London, Torrington Place, London WC1E 7JE, U.K.
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26
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Cai C, Yin C, Tong Y, Qu D, Ding Y, Ren D, Chen P, Yin Y, An J, Chen R. Development of the Life Gatekeeper suicide prevention training programme in China: a Delphi study. Gen Psychiatr 2023; 36:e101133. [PMID: 37859750 PMCID: PMC10582848 DOI: 10.1136/gpsych-2023-101133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/30/2023] [Indexed: 10/21/2023] Open
Abstract
Background Youth suicide has been a pressing public mental health concern in China, yet there is a lack of gatekeeper intervention programmes developed locally to prevent suicide among Chinese adolescents. Aims The current Delphi study was the first step in the systematic development of the Life Gatekeeper programme, the first gatekeeper programme to be developed locally in China that aims to equip teachers and parents with the knowledge, skills and ability to identify and intervene with students at high risk of suicide. Methods The Delphi method was used to elicit a consensus of experts who were invited to evaluate the importance of training content, the feasibility of the training delivery method, the possibility of achieving the training goals and, finally, the appropriateness of the training materials. Two Delphi rounds were conducted among local experts with diversified professional backgrounds in suicide research and practice. Statements were accepted for inclusion in the adjusted training programme if they were endorsed by at least 80% of the panel. Results Consensus was achieved on 201 out of 207 statements for inclusion into the adapted guidelines for the gatekeeper programme, with 151 from the original questionnaire and 50 generated from comments of the panel members. These endorsed statements were synthesised to develop the content of the Life Gatekeeper training programme. Conclusions This Delphi study provided an evidence base for developing the first gatekeeper training programme systematically and locally in China. We hope that the current study can pave the way for more evidence-based suicide prevention programmes in China. Further study is warranted to evaluate the effectiveness of the Life Gatekeeper training programme.
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Affiliation(s)
- Chengxi Cai
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Chen Yin
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Yongsheng Tong
- Beijing Huilongguan Hospital, Beijing, China
- HuiLongGuan Clinical Medical School, Peking University, Beijing, China
- WHO Collaborating Center for Research and Training in Suicide Prevention, Beijing, China
| | - Diyang Qu
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Yunzhi Ding
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Daixi Ren
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Peiyu Chen
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Yi Yin
- Beijing Huilongguan Hospital, Beijing, China
- HuiLongGuan Clinical Medical School, Peking University, Beijing, China
- WHO Collaborating Center for Research and Training in Suicide Prevention, Beijing, China
| | - Jing An
- Beijing Huilongguan Hospital, Beijing, China
- HuiLongGuan Clinical Medical School, Peking University, Beijing, China
- WHO Collaborating Center for Research and Training in Suicide Prevention, Beijing, China
| | - Runsen Chen
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
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27
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Zhou X, Li X, Wu W, Zhang X, English AS, Peng K. Fear during pandemic promoted holistic cognitive style: The moderating role of uncertainty. Emotion 2023; 23:1918-1928. [PMID: 36821335 DOI: 10.1037/emo0001207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
The present study explored the link between fear and holistic cognitive style and the moderating role of uncertainty. We examined these effects in a real-life situation: the long-term, global COVID-19 pandemic, which provided a natural context of fear and uncertainty. The current study comprises three studies recruiting N = 1,310 participants. Study 1 compared the link between fear and holistic style in the United States (a relatively uncertain situation presented by the COVID-19 pandemic) and China (a pandemic situation with relative certainty) in the early days of the pandemic. Study 2 examined the moderation effect of uncertainty in the relationship between fear and holistic style by manipulating participants into a fearful (vs. control) condition. Study 3 employed a longitudinal design to demonstrate the effect of fear-related emotions on holistic style change over a 3-month period. Across three studies, the moderation effect of uncertainty in the relationship between fear-related emotions and holistic style during the COVID-19 pandemic was consistently observed. In sum, this study provided an ecological and explanatory mechanism for understanding the impact of individuals' fear on holistic cognitive style. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Xiaoyu Zhou
- Department of Psychology, Tsinghua University
| | - Xiaoyuan Li
- Intercultural Institute, Shanghai International Studies University
| | - Weiguo Wu
- Department of Psychology, Tsinghua University
| | - Xinyi Zhang
- Intercultural Institute, Shanghai International Studies University
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28
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Chen C, Zhang L, Wang N, Sun D, Yang Z. Janus Composite Particles and Interfacial Catalysis Thereby. Macromol Rapid Commun 2023; 44:e2300280. [PMID: 37335979 DOI: 10.1002/marc.202300280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/10/2023] [Indexed: 06/21/2023]
Abstract
Janus composite particles (JPs) with distinct compartmentalization of varied components thus performances and anisotropic shape display a variety of properties and have demonstrated great potentials in diversify practical applications. Especially, the catalytic JPs are advantageous for multi-phase catalysis with much easier separation of products and recycling the catalysts. In the first section of this review, typical methods to synthesize the JPs with varied morphologies are briefly surveyed in the category of polymeric, inorganic and polymer/inorganic composite. In the main section, recent progresses of the JPs in emulsion interfacial catalysis are summarized covering organic synthesis, hydrogenation, dye degradation, and environmental chemistry. The review will end by calling more efforts toward precision synthesis of catalytic JPs at large scale to meet the stringent requirements in practical applications such as catalytic diagnosis and therapy by the functional JPs.
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Affiliation(s)
- Chen Chen
- Shenyang Key Laboratory for New Functional Coating Materials, Shenyang University of Chemical Technology, Shenyang, 110142, China
| | - Linlin Zhang
- Shenyang Key Laboratory for New Functional Coating Materials, Shenyang University of Chemical Technology, Shenyang, 110142, China
| | - Na Wang
- Shenyang Key Laboratory for New Functional Coating Materials, Shenyang University of Chemical Technology, Shenyang, 110142, China
| | - Dayin Sun
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Zhenzhong Yang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
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29
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Wang Q, Vockenhuber M, Cui H, Wang X, Tao P, Hu Z, Zhao J, Wang J, Ekinci Y, Xu H, He X. Theoretical Insights into the Solubility Polarity Switch of Metal-Organic Nanoclusters for Nanoscale Patterning. Small Methods 2023; 7:e2300309. [PMID: 37337380 DOI: 10.1002/smtd.202300309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/30/2023] [Indexed: 06/21/2023]
Abstract
Metal-organic nanoclusters(MOCs) are being increasingly used as prospective photoresist candidates for advanced nanoscale lithography technologies. However, insight into the irradiation-induced solubility switching process remains unclear. Hereby, the theoretical study employing density functional theory (DFT) calculations of the alkene-containing zirconium oxide MOC photoresists is reported, which is rationally synthesized accordingly, to disclose the mechanism of the nanoscale patterning driven by the switch of solubility from the acid-catalyzed or electron-triggered ligand dissociation. By evaluating the dependence of MOCs' imaging process on photoacid, lithographies of photoresists with and without photoacid generators after exposure to ultraviolet (UV), electron beam, and soft X-ray, it is revealed that photoacid is essential in UV lithography, but it demonstrates little effect on exposure dose in high-energy lithography. Furthermore, theoretical studies using DFT simulations to investigate the plausible photoacid-catalyzed, electron-triggered dissociation, and accompanying radical reaction are performed, and a mechanism is demonstrated that the nanoscale patterning of this type of MOCs is driven by the solubility switch resulting from dissociation-induced strong electrostatic interaction and low-energy barrier radical polymerization with other species. This study can give insights into the chemical mechanisms of patterning, and guide the rational design of photoresists to realize high resolution and high sensitivity.
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Affiliation(s)
- Qianqian Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | | | - Hao Cui
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Xiaolin Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Peipei Tao
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Ziyu Hu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Jun Zhao
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Jianlong Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Yasin Ekinci
- Paul Scherrer Institute, Villigen, 5232, Switzerland
| | - Hong Xu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
| | - Xiangming He
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
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30
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Abstract
Architected flexible electronic devices with rationally designed 3D geometries have found essential applications in biology, medicine, therapeutics, sensing/imaging, energy, robotics, and daily healthcare. Mechanically-guided 3D assembly methods, exploiting mechanics principles of materials and structures to transform planar electronic devices fabricated using mature semiconductor techniques into 3D architected ones, are promising routes to such architected flexible electronic devices. Here, we comprehensively review mechanically-guided 3D assembly methods for architected flexible electronics. Mainstream methods of mechanically-guided 3D assembly are classified and discussed on the basis of their fundamental deformation modes (i.e., rolling, folding, curving, and buckling). Diverse 3D interconnects and device forms are then summarized, which correspond to the two key components of an architected flexible electronic device. Afterward, structure-induced functionalities are highlighted to provide guidelines for function-driven structural designs of flexible electronics, followed by a collective summary of their resulting applications. Finally, conclusions and outlooks are given, covering routes to achieve extreme deformations and dimensions, inverse design methods, and encapsulation strategies of architected 3D flexible electronics, as well as perspectives on future applications.
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Affiliation(s)
- Renheng Bo
- Applied
Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, 100084 Beijing, People’s Republic of China
- Laboratory
of Flexible Electronics Technology, Tsinghua
University, 100084 Beijing, People’s Republic
of China
| | - Shiwei Xu
- Applied
Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, 100084 Beijing, People’s Republic of China
- Laboratory
of Flexible Electronics Technology, Tsinghua
University, 100084 Beijing, People’s Republic
of China
| | - Youzhou Yang
- Applied
Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, 100084 Beijing, People’s Republic of China
- Laboratory
of Flexible Electronics Technology, Tsinghua
University, 100084 Beijing, People’s Republic
of China
| | - Yihui Zhang
- Applied
Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, 100084 Beijing, People’s Republic of China
- Laboratory
of Flexible Electronics Technology, Tsinghua
University, 100084 Beijing, People’s Republic
of China
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Cheng Y, Xie D, Han Y, Guo S, Sun Z, Jing L, Man W, Liu D, Yang K, Lei D, Meng Z, Zhang H, Wang G, Wu W, Wang G, Lu Y. Precise management system for chronic intractable pain patients implanted with spinal cord stimulation based on a remote programming platform: study protocol for a randomized controlled trial (PreMaSy study). Trials 2023; 24:580. [PMID: 37691092 PMCID: PMC10494385 DOI: 10.1186/s13063-023-07595-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/18/2023] [Indexed: 09/12/2023] Open
Abstract
BACKGROUND Spinal cord stimulation (SCS) is a surgical technique used in patients with chronic intractable pain, and its effectiveness and safety have been validated by multiple studies. However, to maintain an optimal and steady long-term effect is still challenging. Here, we report a new management paradigm integrating smartphone application and remote programming. Chronic pain patients with SCS implants can monitor their pain status on the phone and change stimulation parameters accordingly. The PreMaSy study is a randomized controlled trial to evaluate the clinical effectiveness and safety of this precise management system. METHODS Patients with chronic intractable pain will be screened for eligibility, and 82 participants are anticipated to be enrolled in this trial. After the electrode implantation, the stimulation effectiveness will be tested. Participants with a reduction of more than 50% in the visual analog scale (VAS) will receive implantation of an implantable pulse generator and randomized (1:1) into the experimental group or control group. All participants will be asked to take online follow-ups and complete assessments using a smartphone application. Daily pain characteristic assessments and monthly quality of life questionnaires are integrated into the App, and participants will be required to complete these assessments. The daily VAS for pain intensity will be monitored and a threshold will be set based on baseline VAS score. The interventional appointment will be scheduled once the threshold is reached. The primary outcome is the health condition and quality of life assessed by the five-level EuroQol five-dimensional questionnaire (EQ-5D-5L). Utility values of EQ-5D-5L will be assessed at baseline and 1, 3, and 6 months post-operative. DISCUSSION The PreMaSy study aims to evaluate the effectiveness and safety of a novel App-based, patient-centered, self-assessment management system for chronic intractable pain. A randomized controlled trial is designed to test the non-inferiority of this precise management system compared to the monthly online follow-ups. It is also expected to yield valuable experiences regarding precision medicine. TRIAL REGISTRATION ClinicalTrials.gov NCT05761392. Registered on March 07, 2023.
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Affiliation(s)
| | - Duo Xie
- Air Force Medical Center PLA, Beijing, China
| | - Yan Han
- Department of Neurology Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Siying Guo
- School of Medicine, Tsinghua University, Beijing, China
| | - Zhenxing Sun
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Linkai Jing
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Weitao Man
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Dongkang Liu
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Kaiyuan Yang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Dan Lei
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Zhe Meng
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Huifang Zhang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Guoqin Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Weiwei Wu
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
| | - Guihuai Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
| | - Yang Lu
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
- Institute for Precision Medicine, Tsinghua University, Beijing, China.
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Chen C, Han L, Liu P, Zhang Y, Liang S, Zhou Y, Zhu W, Fu S, Pan F, Song C. Direct-Current Electrical Detection of Surface-Acoustic-Wave-Driven Ferromagnetic Resonance. Adv Mater 2023; 35:e2302454. [PMID: 37306652 DOI: 10.1002/adma.202302454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/06/2023] [Indexed: 06/13/2023]
Abstract
Surface acoustic waves (SAW) provide a promising platform to study spin-phonon coupling, which can be achieved by SAW-driven ferromagnetic resonance (FMR) for efficient acoustic manipulation of spin. Although the magneto-elastic effective field model has achieved great success in describing SAW-driven FMR, the magnitude of the effective field acting on the magnetization induced by SAW still remains hard to access. Here, by integrating ferromagnetic stripes with SAW devices, direct-current detection for SAW-driven FMR based on electrical rectification is reported. By analyzing FMR rectified voltage, the effective fields are straightforwardly characterized and extracted, which exhibits the advantages of better integration compatibility and lower cost than traditional methods such as vector-network analyzer-based techniques. A large nonreciprocal rectified voltage is obtained, which is attributed to the coexistence of in-plane and out-of-plane effective fields. The effective fields can be modulated by controlling the longitudinal and shear strains within the films to achieve almost 100% nonreciprocity ratio, demonstrating the potential for electrical switches. Besides its fundamental significance, this finding provides a unique opportunity for a designable spin acousto-electronic device and its convenient signal readout.
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Affiliation(s)
- Chong Chen
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Lei Han
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Peisen Liu
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Yichi Zhang
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Shixuan Liang
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Yongjian Zhou
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Wenxuan Zhu
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Sulei Fu
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Feng Pan
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Cheng Song
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
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Song Y, Fan B, Wang C, Yu H. Meta-analysis of the effects of physical activity on executive function in children and adolescents with attention deficit hyperactivity disorder. PLoS One 2023; 18:e0289732. [PMID: 37590250 PMCID: PMC10434964 DOI: 10.1371/journal.pone.0289732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/25/2023] [Indexed: 08/19/2023] Open
Abstract
BACKGROUND Executive function is a core deficit in children with attention deficit hyperactivity disorder (ADHD). This study systematically reviewed the evidence for the effects of physical activity (PA) interventions on executive function in children and adolescents with ADHD and explored the moderating effects of key variables of PA on executive function. METHODS Relevant literature in four electronic databases, Pubmed, Web of Science, Cochrane Library, and Embase, were systematically searched. Revman 5.4 was used for data analysis, and combined effect sizes, heterogeneity tests, subgroup analyses, and sensitivity analyses were calculated. Egger's test in Stata 15.0 was used for publication bias testing. RESULTS A total of 24 articles with 914 participants were included. Meta-analysis showed that PA interventions improved inhibitory control (SMD = -0.50, 95%CI [-0.71, -0.29], P < 0.00001), working memory (SMD = -0.50, 95%CI [-0.83, -0.16], P = 0.004) and cognitive flexibility in children and adolescents with ADHD (SMD = -0.45, 95%CI [-0.81, -0.09], P = 0.01). Subgroup analysis revealed a moderating effect of intervention intensity, motor skill type, sessions of PA, and weekly exercise volume on executive function. CONCLUSION PA interventions had positive effects on improvements in core executive functions in children and adolescents with ADHD and were influenced by intervention intensity, type of motor skill, sessions of PA, and amount of exercise. This has practical implications for the formulation of PA interventions programs.
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Affiliation(s)
- Yiling Song
- Department of Physical Education, Tsinghua University, Beijing, China
| | - Biyao Fan
- College of Physical Education and Sports, Beijing Normal University, Beijing, China
| | - Chunshun Wang
- Department of Physical Education, Tsinghua University, Beijing, China
| | - Hongjun Yu
- Department of Physical Education, Tsinghua University, Beijing, China
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Huo H, Deng H, Gao J, Duan H, Ma C. Mitigating Under-Sampling Artifacts in 3D Photoacoustic Imaging Using Res-UNet Based on Digital Breast Phantom. Sensors (Basel) 2023; 23:6970. [PMID: 37571753 PMCID: PMC10422607 DOI: 10.3390/s23156970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023]
Abstract
In recent years, photoacoustic (PA) imaging has rapidly grown as a non-invasive screening technique for breast cancer detection using three-dimensional (3D) hemispherical arrays due to their large field of view. However, the development of breast imaging systems is hindered by a lack of patients and ground truth samples, as well as under-sampling problems caused by high costs. Most research related to solving these problems in the PA field were based on 2D transducer arrays or simple regular shape phantoms for 3D transducer arrays or images from other modalities. Therefore, we demonstrate an effective method for removing under-sampling artifacts based on deep neural network (DNN) to reconstruct high-quality PA images using numerical digital breast simulations. We constructed 3D digital breast phantoms based on human anatomical structures and physical properties, which were then subjected to 3D Monte-Carlo and K-wave acoustic simulations to mimic acoustic propagation for hemispherical transducer arrays. Finally, we applied a 3D delay-and-sum reconstruction algorithm and a Res-UNet network to achieve higher resolution on sparsely-sampled data. Our results indicate that when using a 757 nm laser with uniform intensity distribution illuminated on a numerical digital breast, the imaging depth can reach 3 cm with 0.25 mm spatial resolution. In addition, the proposed DNN can significantly enhance image quality by up to 78.4%, as measured by MS-SSIM, and reduce background artifacts by up to 19.0%, as measured by PSNR, even at an under-sampling ratio of 10%. The post-processing time for these improvements is only 0.6 s. This paper suggests a new 3D real time DNN method addressing the sparse sampling problem based on numerical digital breast simulations, this approach can also be applied to clinical data and accelerate the development of 3D photoacoustic hemispherical transducer arrays for early breast cancer diagnosis.
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Affiliation(s)
- Haoming Huo
- Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
| | - Handi Deng
- Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
| | - Jianpan Gao
- Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
| | - Hanqing Duan
- Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
| | - Cheng Ma
- Beijing National Research Center for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
- Institute for Precision Healthcare, Tsinghua University, Beijing 100084, China
- Institute for Intelligent Healthcare, Tsinghua University, Beijing 100084, China
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35
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Wang H, Wang S, Zhang S, Zhu M, Ouyang W, Li Q. Deducing the internal interfaces of twisted multilayer graphene via moiré-regulated surface conductivity. Natl Sci Rev 2023; 10:nwad175. [PMID: 37484999 PMCID: PMC10361741 DOI: 10.1093/nsr/nwad175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/19/2023] [Accepted: 06/15/2023] [Indexed: 07/25/2023] Open
Abstract
The stacking state of atomic layers critically determines the physical properties of twisted van der Waals materials. Unfortunately, precise characterization of the stacked interfaces remains a great challenge as they are buried internally. With conductive atomic force microscopy, we show that the moiré superlattice structure formed at the embedded interfaces of small-angle twisted multilayer graphene (tMLG) can noticeably regulate surface conductivity even when the twisted interfaces are 10 atomic layers beneath the surface. Assisted by molecular dynamics (MD) simulations, a theoretical model is proposed to correlate surface conductivity with the sequential stacking state of the graphene layers of tMLG. The theoretical model is then employed to extract the complex structure of a tMLG sample with crystalline defects. Probing and visualizing the internal stacking structures of twisted layered materials is essential for understanding their unique physical properties, and our work offers a powerful tool for this via simple surface conductivity mapping.
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Affiliation(s)
| | | | | | - Mengzhen Zhu
- Applied Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
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36
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Jiang W, Wang W, Kong Y, Zheng S. Structural basis for the ubiquitination of G protein βγ subunits by KCTD5/Cullin3 E3 ligase. Sci Adv 2023; 9:eadg8369. [PMID: 37450587 PMCID: PMC10348674 DOI: 10.1126/sciadv.adg8369] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 06/14/2023] [Indexed: 07/18/2023]
Abstract
G protein-coupled receptor (GPCR) signaling is precisely controlled to avoid overstimulation that results in detrimental consequences. Gβγ signaling is negatively regulated by a Cullin3 (Cul3)-dependent E3 ligase, KCTD5, which triggers ubiquitination and degradation of free Gβγ. Here, we report the cryo-electron microscopy structures of the KCTD5-Gβγ fusion complex and the KCTD7-Cul3 complex. KCTD5 in pentameric form engages symmetrically with five copies of Gβγ through its C-terminal domain. The unique pentameric assembly of the KCTD5/Cul3 E3 ligase places the ubiquitin-conjugating enzyme (E2) and the modification sites of Gβγ in close proximity and allows simultaneous transfer of ubiquitin from E2 to five Gβγ subunits. Moreover, we show that ubiquitination of Gβγ by KCTD5 is important for fine-tuning cyclic adenosine 3´,5´-monophosphate signaling of GPCRs. Our studies provide unprecedented insights into mechanisms of substrate recognition by unusual pentameric E3 ligases and highlight the KCTD family as emerging regulators of GPCR signaling.
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Affiliation(s)
- Wentong Jiang
- Graduate School of Peking Union Medical College, Beijing 100730, China
- National Institute of Biological Sciences, Beijing 102206, China
| | - Wei Wang
- National Institute of Biological Sciences, Beijing 102206, China
- School of Life Sciences, Peking University, Beijing 100871, China
| | - Yinfei Kong
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Sanduo Zheng
- Graduate School of Peking Union Medical College, Beijing 100730, China
- National Institute of Biological Sciences, Beijing 102206, China
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 100084, China
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37
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Luo W, Li Y, Zeng Y, Li Y, Cheng M, Zhang C, Li F, Wu Y, Huang C, Yang X, Kremerskothen J, Zhang J, Zhang C, Tu S, Li Z, Luo Z, Lin Z, Yan X. Tea domain transcription factor TEAD4 mitigates TGF-β signaling and hepatocellular carcinoma progression independently of YAP. J Mol Cell Biol 2023; 15:mjad010. [PMID: 36806855 PMCID: PMC10446140 DOI: 10.1093/jmcb/mjad010] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 02/12/2023] [Accepted: 02/17/2023] [Indexed: 02/23/2023] Open
Abstract
Tea domain transcription factor 4 (TEAD4) plays a pivotal role in tissue development and homeostasis by interacting with Yes-associated protein (YAP) in response to Hippo signaling inactivation. TEAD4 and YAP can also cooperate with transforming growth factor-β (TGF-β)-activated Smad proteins to regulate gene transcription. Yet, it remains unclear whether TEAD4 plays a YAP-independent role in TGF-β signaling. Here, we unveil a novel tumor suppressive function of TEAD4 in liver cancer via mitigating TGF-β signaling. Ectopic TEAD4 inhibited TGF-β-induced signal transduction, Smad transcriptional activity, and target gene transcription, consequently suppressing hepatocellular carcinoma cell proliferation and migration in vitro and xenograft tumor growth in mice. Consistently, depletion of endogenous TEAD4 by siRNAs enhanced TGF-β signaling in cancer cells. Mechanistically, TEAD4 associates with receptor-regulated Smads (Smad2/3) and Smad4 in the nucleus, thereby impairing the binding of Smad2/3 to the histone acetyltransferase p300. Intriguingly, these negative effects of TEAD4 on TGF-β/Smad signaling are independent of YAP, as impairing the TEAD4-YAP interaction through point mutagenesis or depletion of YAP and/or its paralog TAZ has little effect. Together, these results unravel a novel function of TEAD4 in fine tuning TGF-β signaling and liver cancer progression in a YAP-independent manner.
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Affiliation(s)
- Weicheng Luo
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Yi Li
- Department of Rheumatology and Clinical Immunology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, China
| | - Yi Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Yining Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Minzhang Cheng
- Center for Experimental Medicine, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Cheng Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Fei Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Yiqing Wu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Chunhong Huang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Xiaolong Yang
- Department of Pathology and Molecular Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Joachim Kremerskothen
- Department of Nephrology, Hypertension and Rheumatology, University Hospital Münster, Münster 48149, Germany
| | - Jianmin Zhang
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA
| | - Chunbo Zhang
- School of Pharmacy, Nanchang
University Jiangxi Medical College, Nanchang 330008, China
| | - Shuo Tu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
| | - Zhihua Li
- Key Laboratory of Breast Diseases of Jiangxi Province, Nanchang People’s Hospital, Nanchang 330025, China
| | - Zhijun Luo
- Department of Pathology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330006, China
| | - Zhenghong Lin
- School of Life Sciences, Chongqing University, Chongqing 405200, China
| | - Xiaohua Yan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University Jiangxi Medical College, Nanchang 330031, China
- Key Laboratory of Breast Diseases of Jiangxi Province, Nanchang People’s Hospital, Nanchang 330025, China
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Wang Y, Li J, Cao Y, Chen W, Xing H, Guo X, Shi Y, Wang Y, Liang T, Ye L, Liu D, Yang T, Wang Y, Ma W. Characteristic analysis and identification of novel molecular biomarkers in elderly glioblastoma patients using the 2021 WHO Classification of Central Nervous System Tumors. Front Neurosci 2023; 17:1165823. [PMID: 37360159 PMCID: PMC10288210 DOI: 10.3389/fnins.2023.1165823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 05/19/2023] [Indexed: 06/28/2023] Open
Abstract
Introduction Elderly glioblastoma (GBM) patients is characterized by high incidence and poor prognosis. Currently, however, there is still a lack of adequate molecular characterization of elderly GBM patients. The fifth edition of the WHO Classification of Central Nervous System Tumors (WHO5) gives a new classification approach for GBM, and the molecular characteristics of elderly GBM patients need to be investigated under this new framework. Methods The clinical and radiological features of patients with different classifications and different ages were compared. Potential prognostic molecular markers in elderly GBM patients under the WHO5 classification were found using Univariate Cox regression and Kaplan-Meier survival analysis. Results A total of 226 patients were included in the study. The prognostic differences between younger and elderly GBM patients were more pronounced under the WHO5 classification. Neurological impairment was more common in elderly patients (p = 0.001), while intracranial hypertension (p = 0.034) and epilepsy (p = 0.038) were more common in younger patients. Elderly patients were more likely to have higher Ki-67(p = 0.013), and in elderly WHO5 GBM patients, KMT5B (p = 0.082), KRAS (p = 0.1) and PPM1D (p = 0.055) were each associated with overall survival (OS). Among them, KRAS and PPM1D were found to be prognostic features unique to WHO5 elderly GBM patients. Conclusion Our study demonstrates that WHO5 classification can better distinguish the prognosis of elderly and younger GBM. Furthermore, KRAS and PPM1D may be potential prognostic predictors in WHO5 elderly GBM patients. The specific mechanism of these two genes in elderly GBM remains to be further studied.
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Affiliation(s)
- Yaning Wang
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junlin Li
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Medical Doctor Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yaning Cao
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Medical Doctor Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenlin Chen
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hao Xing
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaopeng Guo
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- China Anti-Cancer Association Specialty Committee of Glioma, Beijing, China
| | - Yixin Shi
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Medical Doctor Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuekun Wang
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tingyu Liang
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Liguo Ye
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Delin Liu
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Medical Doctor Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tianrui Yang
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Eight-Year Medical Doctor Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yu Wang
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- China Anti-Cancer Association Specialty Committee of Glioma, Beijing, China
| | - Wenbin Ma
- Department of Neurosurgery, Center for Malignant Brain Tumors, National Glioma MDT Alliance, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- China Anti-Cancer Association Specialty Committee of Glioma, Beijing, China
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39
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Liu Y, Ma Y, Xu J, Zhang G, Zhao X, He Z, Wang L, Yin N, Peng M. VMP1 prevents Ca2+ overload in endoplasmic reticulum and maintains naive T cell survival. J Exp Med 2023; 220:e20221068. [PMID: 36971758 PMCID: PMC10060355 DOI: 10.1084/jem.20221068] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 01/11/2023] [Accepted: 03/10/2023] [Indexed: 03/29/2023] Open
Abstract
Ca2+ in endoplasmic reticulum (ER) dictates T cell activation, proliferation, and function via store-operated Ca2+ entry. How naive T cells maintain an appropriate level of Ca2+ in ER remains poorly understood. Here, we show that the ER transmembrane protein VMP1 is essential for maintaining ER Ca2+ homeostasis in naive T cells. VMP1 promotes Ca2+ release from ER under steady state, and its deficiency leads to ER Ca2+ overload, ER stress, and secondary Ca2+ overload in mitochondria, resulting in massive apoptosis of naive T cells and defective T cell response. Aspartic acid 272 (D272) of VMP1 is critical for its ER Ca2+ releasing activity, and a knockin mouse strain with D272 mutated to asparagine (D272N) demonstrates all functions of VMP1 in T cells in vivo depend on its regulation of ER Ca2+. These data uncover an indispensable role of VMP1 in preventing ER Ca2+ overload and maintaining naive T cell survival.
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Affiliation(s)
- Ying Liu
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Yuying Ma
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Jing Xu
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Guangyue Zhang
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Xiaocui Zhao
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Zihao He
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Lixia Wang
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Na Yin
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Min Peng
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, Tsinghua University, Beijing, China
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40
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Fang Y, Guo Y, Wu B, Liu Z, Ye M, Xu Y, Ji M, Chen L, Lu B, Nie K, Wang Z, Luo J, Zhang T, Sun W, Xiong Z. Expanding Embedded 3D Bioprinting Capability for Engineering Complex Organs with Freeform Vascular Networks. Adv Mater 2023; 35:e2205082. [PMID: 36796025 DOI: 10.1002/adma.202205082] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 01/29/2023] [Indexed: 06/02/2023]
Abstract
Creating functional tissues and organs in vitro on demand is a major goal in biofabrication, but the ability to replicate the external geometry of specific organs and their internal structures such as blood vessels simultaneously remains one of the greatest impediments. Here, this limitation is addressed by developing a generalizable bioprinting strategy of sequential printing in a reversible ink template (SPIRIT). It is demonstrated that this microgel-based biphasic (MB) bioink can be used as both an excellent bioink and a suspension medium that supports embedded 3D printing due to its shear-thinning and self-healing behavior. When encapsulating human-induced pluripotent stem cells, the MB bioink is 3D printed to generate cardiac tissues and organoids by extensive stem cell proliferation and cardiac differentiation. By incorporating MB bioink, the SPIRIT strategy enables the effective printing of a ventricle model with a perfusable vascular network, which is not possible to fabricate using extant 3D printing strategies. This SPIRIT technique offers an unparalleled bioprinting capability to replicate the complex organ geometry and internal structure in a faster manner, which will accelerate the biofabrication and therapeutic applications of tissue and organ constructs.
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Affiliation(s)
- Yongcong Fang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Yihan Guo
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Bingyan Wu
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zibo Liu
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Min Ye
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Yuanyuan Xu
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Mengke Ji
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Li Chen
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Bingchuan Lu
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Kaiji Nie
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zixuan Wang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Jianbin Luo
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Ting Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Wei Sun
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
| | - Zhuo Xiong
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, P. R. China
- Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, P. R. China
- Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, P. R. China
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41
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Anwar N, Sajid MM, Iqbal MA, Zhai H, Ahmed M, Anwar B, Morsy K, Capangpangan RY, Alguno AC, Choi JR. Synthesis and Characterization of Ferric Vanadate Nanorods for Efficient Electrochemical Detection of Ascorbic Acid. ACS Omega 2023; 8:15450-15457. [PMID: 37151528 PMCID: PMC10157664 DOI: 10.1021/acsomega.3c00715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/12/2023] [Indexed: 05/09/2023]
Abstract
This study reports the synthesis of ferric vanadate (FeVO4) via a facile hydrothermal method, focusing on demonstrating its exceptional electrochemical (EC) properties on detecting low-density ascorbic acid (AA). The phase purity, crystallinity, structure, morphology, and chemical compositional properties were characterized by employing X-ray diffraction, energy-dispersive X-ray spectroscopy, scanning electron microscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy techniques. EC impedance spectroscopy and cyclic voltammetry techniques were also adopted in order to assess the EC response of a FeVO4-modified glassy carbon electrode for sensing AA at room temperature. The AA concentration range adopted in this experiment is 0.1-0.3 mM at a working electric potential of -0.13 V. The result showed functional excellence of this material for the EC determination of AA with good stability and reproducibility, promising its potentiality in connection with relevant sensing applications.
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Affiliation(s)
- Nadia Anwar
- School
of Materials Science and Engineering, Tsinghua
University, Beijing 100084, China
| | - Muhammad Munir Sajid
- Henan
Key Laboratory of Photovoltaic Materials, School of Physics, Henan Normal University, Xinxiang 453007, China
| | - Muhammad Aamir Iqbal
- School
of Materials Science and Engineering, Zhejiang
University, Hangzhou 310027, China
| | - Haifa Zhai
- Henan
Key Laboratory of Photovoltaic Materials, School of Physics, Henan Normal University, Xinxiang 453007, China
- School
of Materials Science and Engineering, Henan
Normal University, Henan 453007, China
| | - Muqarrab Ahmed
- State
Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Bushra Anwar
- Institute
of Entomology, Northwest A&F University, 22 Xinong Road,
Yang-ling, Xianyang 712100, Shaanxi, China
| | - Kareem Morsy
- Biology
Department, College of Science, King Khalid
University, Abha 61421, Saudi Arabia
| | - Rey Y. Capangpangan
- Department
of Physical Sciences and Mathematics, College
of Marine and Allied Sciences Mindanao State University at Naawan, Poblacion, Naawan 9023, Misamis
Oriental, Philippines
| | - Arnold C. Alguno
- Department
of Physics, Premier Research Institute of
Science and Mathematics (PRISM) Mindanao State University—Iligan
Institute of Technology, Tibanga Highway, Iligan City 9200 Philippines
| | - Jeong Ryeol Choi
- School
of Electronic Engineering, Kyonggi University, Suwon 16227, Gyeonggi-do, Republic
of Korea
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42
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Sun Q, Zhao X, Li R, Liu D, Pan B, Xie B, Chi X, Cai D, Wei P, Xu W, Wei K, Zhao Z, Fu Y, Ni L, Dong C. STAT3 regulates CD8+ T cell differentiation and functions in cancer and acute infection. J Exp Med 2023; 220:e20220686. [PMID: 36688918 PMCID: PMC9884582 DOI: 10.1084/jem.20220686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 11/05/2022] [Accepted: 01/04/2023] [Indexed: 01/24/2023] Open
Abstract
In cancer, persistent antigens drive CD8+ T cell differentiation into exhausted progenitor (Texprog) and terminally exhausted (Texterm) cells. However, how the extrinsic and intrinsic regulatory mechanisms cooperate during this process still remains not well understood. Here, we found that STAT3 signaling plays essential roles in promoting intratumor Texterm cell development by enhancing their effector functions and survival, which results in better tumor control. In tumor microenvironments, STAT3 is predominantly activated by IL-10 and IL-21, but not IL-6. Besides, STAT3 also plays critical roles in the development and function of terminally differentiated effector CD8+ T cells in acute infection. Mechanistically, STAT3 transcriptionally promotes the expression of effector function-related genes, while it suppresses those expressed by the progenitor Tex subset. Moreover, STAT3 functions in collaboration with BATF and IRF4 to mediate chromatin activation at the effector gene loci. Thus, we have elucidated the roles of STAT3 signaling in terminally differentiated CD8+ T cell development, especially in cancer, which benefits the development of more effective immunotherapies against tumors.
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Affiliation(s)
- Qinli Sun
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Xiaohong Zhao
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Ruifeng Li
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Dingfeng Liu
- Department of Gynaecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Immune Therapy Institute, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai, China
| | - Birui Pan
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Bowen Xie
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Xinxin Chi
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Dongli Cai
- Department of Gynaecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
- Shanghai Immune Therapy Institute, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai, China
| | - Peng Wei
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Wei Xu
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Kun Wei
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Zixuan Zhao
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Yujie Fu
- Institute for Immunology, Tsinghua University, Beijing, China
- Shanghai Immune Therapy Institute, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai, China
| | - Ling Ni
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Chen Dong
- Institute for Immunology, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
- Shanghai Immune Therapy Institute, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai, China
- Research Unit of Immune Regulation and Immune Diseases of Chinese Academy of Medical Sciences, Shanghai Jiao Tong University School of Medicine-Affiliated Renji Hospital, Shanghai, China
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43
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Bu X, Zhang M, Zhang Z, Zhang Q. Computer-Aided Diagnoses for Sore Throat Based on Dynamic Uncertain Causality Graph. Diagnostics (Basel) 2023; 13:diagnostics13071219. [PMID: 37046437 PMCID: PMC10093466 DOI: 10.3390/diagnostics13071219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 04/14/2023] Open
Abstract
The causes of sore throat are complex. It can be caused by diseases of the pharynx, adjacent organs of the pharynx, or even systemic diseases. Therefore, a lack of medical knowledge and experience may cause misdiagnoses or missed diagnoses in sore throat diagnoses, especially for general practitioners in primary hospitals. This study aims to develop a computer-aided diagnostic system to assist clinicians in the differential diagnoses of sore throat. The computer-aided system is developed based on the Dynamic Uncertain Causality Graph (DUCG) theory. We cooperated with medical specialists to establish a sore throat DUCG model as the diagnostic knowledge base. The construction of the model integrates epidemiological data, knowledge, and clinical experience of medical specialists. The chain reasoning algorithm of the DUCG is used for the differential diagnoses of sore throat. The system can diagnose 27 sore throat-related diseases. The model builder initially tests it with 81 cases, and all cases are correctly diagnosed. Then the system is verified by the third-party hospital, and the diagnostic accuracy is 98%. Now, the system has been applied in hundreds of primary hospitals in Jiaozhou City, China, and the degree of recognition for doctors to the diagnostic results of the system is more than 99.9%. It is feasible to use DUCG for the differential diagnoses of sore throat, which can assist primary doctors in clinical diagnoses and the diagnostic results are acceptable to clinicians.
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Affiliation(s)
- Xusong Bu
- Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China
| | - Mingxia Zhang
- Otorhinolaryngology Head & Neck Surgery, Xuan Wu Hospital of the Capital Medical University, Beijing 100053, China
| | - Zhan Zhang
- Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China
| | - Qin Zhang
- Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
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44
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Sheng L, Yang K, Chen J, Zhu D, Wang L, Wang J, Tang Y, Xu H, He X. A Protophilic MOF Enables Ni-Rich Lithium-Battery Stable Cycling in a High Water/Acid Content. Adv Mater 2023:e2212292. [PMID: 36943154 DOI: 10.1002/adma.202212292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/16/2023] [Indexed: 05/07/2023]
Abstract
Trace protic impurities, such as water and hydrofluoric acid (HF), can severely degrade the stable and long cycling of lithium batteries. Therefore, the costly water removal process is inevitably needed throughout production of lithium batteries, leaving the paradox that energy-saving lithium-battery technology consumes non-negligible amounts of energy. Herein, a unique ionic metal-organic framework (MOF) is reported that enables highly destructive H2 O/HF-tolerant lithium batteries. The isolated ionic fluorine sites in the MOF exhibit unusual protophilicity and efficiently capture ppm-levels H2 O/HF from the highly polar electrolyte solvents. The resulting MOF-based LiNi0.6 Mn0.2 Co0.2 O2 │Li battery achieves over 300 cycles in the presence of 800 ppm H2 O or 1107 ppm acidic impurity. This tenfold longer battery lifespan relative to those for batteries with conventional standard separators demonstrates its excellent electrochemical cycling performance. The results reveal that the rational use of unique nanoporous features of MOFs can provide new possibilities for long-standing challenges in the lithium-battery industry.
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Affiliation(s)
- Li Sheng
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Kai Yang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Jia Chen
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Da Zhu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Li Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Jianlong Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Yaping Tang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Hong Xu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
| | - Xiangming He
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, P. R. China
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45
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Wang Q, Meng F, Xie Y, Wang W, Meng Y, Li L, Liu T, Qi J, Ni X, Zheng S, Huang J, Huang N. In Silico Discovery of Small Molecule Modulators Targeting the Achilles' Heel of SARS-CoV-2 Spike Protein. ACS Cent Sci 2023; 9:252-265. [PMID: 36844485 PMCID: PMC9924089 DOI: 10.1021/acscentsci.2c01190] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Indexed: 05/27/2023]
Abstract
The spike protein of SARS-CoV-2 has been a promising target for developing vaccines and therapeutics due to its crucial role in the viral entry process. Previously reported cryogenic electron microscopy (cryo-EM) structures have revealed that free fatty acids (FFA) bind with SARS-CoV-2 spike protein, stabilizing its closed conformation and reducing its interaction with the host cell target in vitro. Inspired by these, we utilized a structure-based virtual screening approach against the conserved FFA-binding pocket to identify small molecule modulators of SARS-CoV-2 spike protein, which helped us identify six hits with micromolar binding affinities. Further evaluation of their commercially available and synthesized analogs enabled us to discover a series of compounds with better binding affinities and solubilities. Notably, our identified compounds exhibited similar binding affinities against the spike proteins of the prototypic SARS-CoV-2 and a currently circulating Omicron BA.4 variant. Furthermore, the cryo-EM structure of the compound SPC-14 bound spike revealed that SPC-14 could shift the conformational equilibrium of the spike protein toward the closed conformation, which is human ACE2 (hACE2) inaccessible. Our identified small molecule modulators targeting the conserved FFA-binding pocket could serve as the starting point for the future development of broad-spectrum COVID-19 intervention treatments.
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Affiliation(s)
- Qing Wang
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
- National
Institute of Biological Sciences, Beijing, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
| | - Fanhao Meng
- Shuimu
Biosciences, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
| | - Yuting Xie
- National
Institute of Biological Sciences, Beijing, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
| | - Wei Wang
- National
Institute of Biological Sciences, Beijing, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
| | - Yumin Meng
- CAS
Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Linjie Li
- CAS
Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Tao Liu
- Tsinghua
Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 102206, China
| | - Jianxun Qi
- CAS
Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiaodan Ni
- Shuimu
Biosciences, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
| | - Sanduo Zheng
- National
Institute of Biological Sciences, Beijing, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
- Tsinghua
Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 102206, China
| | - Jianhui Huang
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Niu Huang
- National
Institute of Biological Sciences, Beijing, Zhongguancun Life Science Park, No. 7 Science Park Road, Beijing 102206, China
- Tsinghua
Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 102206, China
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46
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Hu Z, Zhao R, Wang X, Tao P, Wang Q, Wang Y, Xu H, He X. Canny Algorithm Enabling Precise Offline Line Edge Roughness Acquisition in High-Resolution Lithography. ACS Omega 2023; 8:3992-3997. [PMID: 36743030 PMCID: PMC9893472 DOI: 10.1021/acsomega.2c06769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/30/2022] [Indexed: 06/18/2023]
Abstract
The line edge roughness (LER) is one of the most critical indicators of photoresist imaging performance, and its measurement using a reliable method is of great significance for lithography. However, most studies only investigate photoresist resolution and sensitivity because LER measurements require an expensive and not widely available critical dimension scanning electron microscopy (SEM) technology; thus, the imaging performance of photoresist has not been adequately evaluated. Here, we report an image processing software developed for offline calculation of LER that can analyze lithographic patterns with resolutions up to ∼15 nm. This software can effectively process all graphic files obtained from commonly used SEM machines by utilizing the adjustable double threshold. To realize the effective detection of high-resolution patterns in advanced lithography, we used SEM images generated from extreme ultraviolet and electron beam lithography to develop and validate the software's graphic recognition algorithm. This image processing software can process typical SEM images and produce reliable LER in an efficient and user-friendly manner, constituting a powerful tool for promoting the development of high-performance photoresist materials.
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47
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Wang J, Peng Y, Xu H, Feng J, Huang Y, Wu J, Liew TCH, Xiong Q. Controllable vortex lasing arrays in a geometrically frustrated exciton-polariton lattice at room temperature. Natl Sci Rev 2023; 10:nwac096. [PMID: 37601295 PMCID: PMC10433738 DOI: 10.1093/nsr/nwac096] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 04/26/2022] [Accepted: 04/26/2022] [Indexed: 08/22/2023] Open
Abstract
Quantized vortices appearing in topological excitations of quantum phase transition play a pivotal role in strongly correlated physics involving the underlying confluence of superfluids, Bose-Einstein condensates and superconductors. Exciton polaritons as bosonic quasiparticles have enabled studies of non-equilibrium quantum gases and superfluidity. Exciton-polariton condensates in artificial lattices intuitively emulate energy-band structures and quantum many-body effects of condensed matter, underpinning constructing vortex lattices and controlling quantum fluidic circuits. Here, we harness exciton-polariton quantum fluids of light in a frustrated kagome lattice based on robust metal-halide perovskite microcavities, to demonstrate vortex lasing arrays and modulate their configurations at room temperature. Tomographic energy-momentum spectra unambiguously reveal massless Dirac bands and quenched kinetic-energy flat bands coexisting in kagome lattices, where polariton condensates exhibit prototypical honeycomb and kagome spatial patterns. Spatial coherence investigations illustrate two types of phase textures of polariton condensates carrying ordered quantized-vortex arrays and π-phase shifts, which could be selected when needed using lasing emission energy. Our findings offer a promising platform on which it is possible to study quantum-fluid correlations in complex polaritonic lattices and highlight feasible applications of structured light.
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Affiliation(s)
- Jun Wang
- Division of Physics and Applied Physics, School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore
- Department of Optical Science and Engineering, and Shanghai Frontiers
Science Research Base of Intelligent Optoelectronics and Perception, Fudan
University, Shanghai 200433, China
| | - Yutian Peng
- State Key Laboratory of Low-Dimensional Quantum Physics and Department of
Physics, Tsinghua University, Beijing 100084,
China
| | - Huawen Xu
- Division of Physics and Applied Physics, School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore
| | - Jiangang Feng
- Division of Physics and Applied Physics, School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore
| | - Yuqing Huang
- Division of Physics and Applied Physics, School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore
| | - Jinqi Wu
- Division of Physics and Applied Physics, School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore
| | - Timothy C H Liew
- Division of Physics and Applied Physics, School of Physical and
Mathematical Sciences, Nanyang Technological University, Singapore
637371, Singapore
| | - Qihua Xiong
- State Key Laboratory of Low-Dimensional Quantum Physics and Department of
Physics, Tsinghua University, Beijing 100084,
China
- Beijing Academy of Quantum Information Sciences,
Beijing 100193, China
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48
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Chai Z, Childress A, Busnaina AA. Directed Assembly of Nanomaterials for Making Nanoscale Devices and Structures: Mechanisms and Applications. ACS Nano 2022; 16:17641-17686. [PMID: 36269234 PMCID: PMC9706815 DOI: 10.1021/acsnano.2c07910] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/06/2022] [Indexed: 05/19/2023]
Abstract
Nanofabrication has been utilized to manufacture one-, two-, and three-dimensional functional nanostructures for applications such as electronics, sensors, and photonic devices. Although conventional silicon-based nanofabrication (top-down approach) has developed into a technique with extremely high precision and integration density, nanofabrication based on directed assembly (bottom-up approach) is attracting more interest recently owing to its low cost and the advantages of additive manufacturing. Directed assembly is a process that utilizes external fields to directly interact with nanoelements (nanoparticles, 2D nanomaterials, nanotubes, nanowires, etc.) and drive the nanoelements to site-selectively assemble in patterned areas on substrates to form functional structures. Directed assembly processes can be divided into four different categories depending on the external fields: electric field-directed assembly, fluidic flow-directed assembly, magnetic field-directed assembly, and optical field-directed assembly. In this review, we summarize recent progress utilizing these four processes and address how these directed assembly processes harness the external fields, the underlying mechanism of how the external fields interact with the nanoelements, and the advantages and drawbacks of utilizing each method. Finally, we discuss applications made using directed assembly and provide a perspective on the future developments and challenges.
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Affiliation(s)
- Zhimin Chai
- State
Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing100084, China
- NSF
Nanoscale Science and Engineering Center for High-Rate Nanomanufacturing
(CHN), Northeastern University, Boston, Massachusetts02115, United States
| | - Anthony Childress
- NSF
Nanoscale Science and Engineering Center for High-Rate Nanomanufacturing
(CHN), Northeastern University, Boston, Massachusetts02115, United States
| | - Ahmed A. Busnaina
- NSF
Nanoscale Science and Engineering Center for High-Rate Nanomanufacturing
(CHN), Northeastern University, Boston, Massachusetts02115, United States
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49
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Xu M, Shen C, Yang J, Wang Q, Huang N. Systematic Investigation of Docking Failures in Large-Scale Structure-Based Virtual Screening. ACS Omega 2022; 7:39417-39428. [PMID: 36340123 PMCID: PMC9632257 DOI: 10.1021/acsomega.2c05826] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
In recent years, large-scale structure-based virtual screening has attracted increasing levels of interest for identification of novel compounds corresponding to potential drug targets. It is critical to understand the strengths and weaknesses of docking algorithms to increase the success rate in practical applications. Here, we systematically investigated the docking successes and failures of two representative docking programs: UCSF DOCK 3.7 and AutoDock Vina. DOCK 3.7 performed better in early enrichment on the Directory of Useful Decoys: Enhanced (DUD-E) data set, although both docking methods were roughly comparable in overall enrichment performance. DOCK 3.7 also showed superior computational efficiency. Intriguingly, the Vina scoring function showed a bias toward compounds with higher molecular weights. Both the tested docking approaches yielded incorrectly predicted ligand binding poses caused by the limitations of torsion sampling. Based on a careful analysis of docking results from six representative cases, we propose the reasons underlying docking failures; furthermore, we provide a few solutions, representing practical guidance for large-scale virtual screening campaigns and future docking algorithm development.
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Affiliation(s)
- Min Xu
- College
of Life Sciences, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing 100875, China
- National
Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science
Park, Beijing 102206, China
| | - Cheng Shen
- National
Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science
Park, Beijing 102206, China
- Graduate
School of Peking Union Medical College, Chinese Academy of Medical Sciences, No. 9, Dongdan Santiao, Dongcheng District, Beijing 100730, China
| | - Jincai Yang
- National
Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science
Park, Beijing 102206, China
| | - Qing Wang
- National
Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science
Park, Beijing 102206, China
- School
of Pharmaceutical Science and Technology, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Niu Huang
- National
Institute of Biological Sciences, 7 Science Park Road, Zhongguancun Life Science
Park, Beijing 102206, China
- Tsinghua
Institute of Multidisciplinary Biomedical Research, Tsinghua University, 7 Science Park Road, Zhongguancun Life Science Park, Beijing 102206, China
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50
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Zhang D, Guo Y, Zhang L, Wang Y, Peng S, Duan S, Geng L, Zhang X, Wang W, Yang M, Wu G, Chen J, Feng Z, Wang X, Wu Y, Jiang H, Zhang Q, Sun J, Li S, He Y, Xiao M, Xu Y, Wang H, Liu P, Zhou Q, Luo H. Integrated System for On-Site Rapid and Safe Screening of COVID-19. Anal Chem 2022; 94:13810-13819. [PMID: 36184789 PMCID: PMC9578365 DOI: 10.1021/acs.analchem.2c02337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 09/22/2022] [Indexed: 12/04/2022]
Abstract
Since the outbreak of coronavirus disease 2019 (COVID-19), the epidemic has been spreading around the world for more than 2 years. Rapid, safe, and on-site detection methods of COVID-19 are in urgent demand for the control of the epidemic. Here, we established an integrated system, which incorporates a machine-learning-based Fourier transform infrared spectroscopy technique for rapid COVID-19 screening and air-plasma-based disinfection modules to prevent potential secondary infections. A partial least-squares discrimination analysis and a convolutional neural network model were built using the collected infrared spectral dataset containing 857 training serum samples. Furthermore, the sensitivity, specificity, and prediction accuracy could all reach over 94% from the results of the field test regarding 968 blind testing samples. Additionally, the disinfection modules achieved an inactivation efficiency of 99.9% for surface and airborne tested bacteria. The proposed system is conducive and promising for point-of-care and on-site COVID-19 screening in the mass population.
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Affiliation(s)
- Dongheyu Zhang
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Yuntao Guo
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Liyang Zhang
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Yao Wang
- Department
of Clinical Laboratory, Peking Union Medical
College Hospital, Chinese Academy of Medical Sciences, Beijing100730, China
| | - Siqi Peng
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Simeng Duan
- Department
of Clinical Laboratory, Peking Union Medical
College Hospital, Chinese Academy of Medical Sciences, Beijing100730, China
| | - Lin Geng
- JINSP
Co., Ltd., Beijing100083, China
| | | | - Wei Wang
- Shanghai
Customs Port Clinic, Shanghai International
Travel Healthcare Center, Shanghai200335, China
| | - Mengjie Yang
- Chinese
Center for Disease Control and Prevention, National Institute for Viral Disease Control and Prevention, Beijing102206, China
| | - Guizhen Wu
- Chinese
Center for Disease Control and Prevention, National Institute for Viral Disease Control and Prevention, Beijing102206, China
| | - Jiayi Chen
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Zihao Feng
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Xinyuan Wang
- Holy-shine
Technology Co., Ltd., Beijing100045, China
| | - Yue Wu
- Holy-shine
Technology Co., Ltd., Beijing100045, China
| | - Haotian Jiang
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Qikang Zhang
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Jingjun Sun
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
| | - Shenwei Li
- Shanghai
Customs Port Clinic, Shanghai International
Travel Healthcare Center, Shanghai200335, China
| | - Yuping He
- Shanghai
Customs Port Clinic, Shanghai International
Travel Healthcare Center, Shanghai200335, China
| | - Meng Xiao
- Department
of Clinical Laboratory, Peking Union Medical
College Hospital, Chinese Academy of Medical Sciences, Beijing100730, China
| | - Yingchun Xu
- Department
of Clinical Laboratory, Peking Union Medical
College Hospital, Chinese Academy of Medical Sciences, Beijing100730, China
| | | | - Peipei Liu
- Chinese
Center for Disease Control and Prevention, National Institute for Viral Disease Control and Prevention, Beijing102206, China
| | - Qun Zhou
- Department
of Chemistry, Tsinghua University, Beijing100084, China
| | - Haiyun Luo
- Department
of Electrical Engineering, Tsinghua University, Beijing100084, China
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