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Tang K, Chen Y, Zhao Y. Exploiting halide perovskites for heavy metal ion detection. Chem Commun (Camb) 2024; 60:4511-4520. [PMID: 38597320 DOI: 10.1039/d4cc00619d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Heavy metal ions such as mercury (Hg), copper (Cu), and cadmium (Cd) pose significant threats to ecosystems and human health due to their toxicity and bioaccumulation potential. With growing environmental concerns over heavy metal ion pollution, there is an urgent need to develop efficient detection methods for safeguarding public health and the environment. Various materials, including polymers, nanomaterials, and porous substances, have been used for heavy metal ion detection and have shown promising performance for different scenarios. However, each of these materials has certain limitations as probes. Metal halide perovskites (MHPs), known for their exceptional optoelectronic properties and high structural and chemical tunability, have gained great attention in applications such as photovoltaics and LEDs. Yet, their potential as metal ion probes remains rarely explored. This review assesses MHPs as prospective materials for heavy metal ion detection, taking their structure, chemical properties, and responses to external stimuli into consideration. Three key detection mechanisms-cation exchange (CE), electron transfer (ET), and fluorescence resonance energy transfer (FRET), are explored to understand how metal ions trigger fluorescence changes on perovskites, enabling their detection. Finally, current avenues of developing perovskite probes are discussed, which include exploration of lead-free perovskites to mitigate environmental concerns arising from lead leakage and the pursuit of achieving high-sensitivity and stable detection in aqueous media, summarizing the existing and promising strategies in this field.
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Affiliation(s)
- Ke Tang
- School of Environmental Science and Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yuetian Chen
- School of Environmental Science and Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China.
- Shanghai Non-carbon Energy Conversion and Utilization Institute, Shanghai 200240, China
| | - Yixin Zhao
- School of Environmental Science and Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China.
- Shanghai Non-carbon Energy Conversion and Utilization Institute, Shanghai 200240, China
- State Key Lab of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
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Marsico C, Grimm JR, Renteria C, Guillen DP, Tang K, Nikitin V, Arola DD. Characterizing the microstructures of mammalian enamel by synchrotron phase contrast microCT. Acta Biomater 2024; 178:208-220. [PMID: 38428512 DOI: 10.1016/j.actbio.2024.02.038] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/08/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024]
Abstract
The enamel of mammalian teeth is a highly mineralized tissue that must endure a lifetime of cyclic contact and is inspiring the development of next-generation engineering materials. Attempts to implement enamel-inspired structures in synthetic materials have had limited success, largely due to the absence of a detailed understanding of its microstructure. The present work used synchrotron phase-contrast microCT imaging to evaluate the three-dimensional microstructure of enamel from four mammals including Lion, Gray Wolf, Snow Leopard, and Black Bear. Quantitative results of image analysis revealed that the decussation pattern of enamel consists of discrete diazone (D) and parazone (P) bands of rods organized with stacking arrangement of D+/P/D-/P in all mammals evaluated; the D+ and D- refer to distinct diazone bands with juxtaposed rod orientations from the reference plane. Furthermore, the rod orientations in the bands can be described in terms of two principal angles, defined here as the pitch and yaw. While the pitch angle increases from the outer enamel to a maximum (up to ≈ 40°) near the dentin enamel junction, minimal spatial variations are observed in yaw across the enamel thickness. There are clear differences in the decussation parameters of enamel across species that are interpreted here with respect to the structural demands placed on their teeth. The rod pitch and band width of enamel are identified as important design parameters and appear to be correlated with the bite force quotient of the four mammals evaluated. STATEMENT OF SIGNIFICANCE: The multi-functionality of tooth enamel requires both hardness and resistance to fracture, properties that are generally mutually exclusive. Ubiquitous to all mammalian teeth, the enamel is expected to have undergone adaptations in microstructure to accommodate the differences in diet, body size and bite force across animals. For the first time, we compare the complex three-dimensional microstructure of enamel from teeth of multiple mammalian species using synchrotron micro-computed tomography. The findings provide new understanding of the "design" of mammalian enamel microstructures, as well as how specific parameters associated with the decussation of rods appear to be engineered to modulate its fracture resistance.
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Affiliation(s)
- C Marsico
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA; Materials Science and Engineering Department, Idaho National Laboratory, Idaho Falls, ID, USA
| | - J R Grimm
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA; Physical and Computational Science Directorate, Pacific Northwest National Laboratory, Richland, WA, USA
| | - C Renteria
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA; Department of Oral Health Sciences, University of Washington, Seattle, WA, USA
| | - D P Guillen
- Materials Science and Engineering Department, Idaho National Laboratory, Idaho Falls, ID, USA
| | - K Tang
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA
| | - V Nikitin
- Department of Chemistry, Argonne National Laboratory, Lemond, IL, USA
| | - D D Arola
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA; Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, WA, USA; Department of Mechanical Engineering, University of Washington, Seattle, WA, USA.
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3
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Tang K, Lin W, Wang D, Hu X, Chen Z, Chen J, Liang B, Zhang L, Qin P, Wu D. Potential Role of MAP3K14 in Hepatocellular Carcinoma: A Study Based on Comprehensive Bioinformatical Analysis and Validation. J Cancer 2024; 15:2731-2745. [PMID: 38577603 PMCID: PMC10988307 DOI: 10.7150/jca.95322] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 03/07/2024] [Indexed: 04/06/2024] Open
Abstract
According to reports, MAP3K14 is considered an oncogene and is aberrantly expressed in various types of tumor cells. Its abnormal expression is closely associated with the occurrence and progression of various cancers. MAP3K14 also plays a significant role in the development of non-alcoholic steatohepatitis (NASH)-related hepatocellular carcinoma and its connection to tumor stem cells. The prognostic value of MAP3K14 in HCC, as well as its potential functions and roles, requires further elucidation. We evaluated the potential role of MAP3K14 in HCC based on data mining from a range of public databases. The bioinformatics analysis of TCGA, GEO, TIMER, cBioportal, Kaplan-Meier plotter, MethSurv, ENCORI and CellMiner databases was carried out. The expression of MAP3K14 protein in HCC was detected by immunohistochemical method. The mRNA and protein expression levels of MAP3K14 in tumor tissues were higher than those in normal tissues (p < 0.05). The expression of MAP3K14 was correlated with Pathologic T stage (p=0.026), Pathologic stage (p=0.032), Tumor status (p=0.024) and AFP (p=0.002). HCC patients with high expression of MAP3K14 had poor overall survival (OS), progression free survival (PFS) and recurrence free survival (RFS). Multivariate Cox regression analysis showed that the Pathologic stage (p < 0.001) and MAP3K14 expression levels (p < 0.05) is an independent prognostic factor affecting the survival of patients with liver cancer. GO/KEGG analysis suggested that key biological processes (PI3K-Akt signaling pathway) may be the mechanism promoting HCC development. In addition, MAP3K14 was significantly correlated with the infiltrating levels of B cells, CD8+ T cells, CD4+ T cells, macrophages, neutrophils, and dendritic cells (p < 0.05). MAP3K14 is up-regulated in HCC and is closely related to the prognosis of HCC patients. MAP3K14 may serve as a potential biomarker for poor prognosis of HCC.
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Affiliation(s)
- Ke Tang
- School of Public Health, Guangdong Medical University, Dongguan City, 523808, China
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
| | - Weiquan Lin
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
| | - Dedong Wang
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
| | - Xiangzhi Hu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou City, 510632, China
| | - Zhitao Chen
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou City, 510632, China
| | - Jinbin Chen
- Guangzhou key laboratory for clinical rapid diagnosis and early warning of infectious diseases, KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou City, 510180, China
| | - Boheng Liang
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
| | - Lin Zhang
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
| | - Pengzhe Qin
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
| | - Di Wu
- School of Public Health, Guangdong Medical University, Dongguan City, 523808, China
- Guangzhou Center for Disease Control and Prevention, Guangzhou City, 510440, China
- The State Key Lab of Respiratory Disease, School of Public Health, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou, 511436, China
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4
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Li X, Cai H, Tang K, Li F. The efficacy of Kinesio taping in patients with post-stroke dysphagia: A meta-analysis. Medicine (Baltimore) 2024; 103:e37491. [PMID: 38489742 PMCID: PMC10939663 DOI: 10.1097/md.0000000000037491] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 12/27/2023] [Accepted: 02/13/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND Dysphagia, or swallowing dysfunction, is a commonly observed complication among stroke patients, which has been associated with increased mortality rates. The treatment of post-stroke dysphagia encompasses various therapeutic approaches, and Kinesio taping has recently emerged as a potentially effective intervention. This study aims to evaluate the potential benefits of Kinesio Tape in improving dysphagia symptoms in individuals who have experienced a stroke. METHODS his study searched PubMed, Embase, The Cochrane Library, Web of Science, Wanfang Medical Database, CBM, CNKI, and Wipro VIP databases. Randomised controlled trials on the effect of intraosseous patches on the recovery of swallowing function in stroke patients were collected according to the inclusion and exclusion criteria. The search was conducted from from the date of database construction to June 2, 2023. Included trials were assessed using the Cochrane Risk of Bias tool. Meta-analyses were performed using ReviewerManager 5.4.1, and publication bias tests were performed using stata17. RESULTS A total of 12 randomized controlled trials consisting of 724 patients were included in the analysis. The results showed that the effective rate of Kinesio taping [RR = 1.27, 95% CI (1.16, 1.39), P < .00001], swallowing function score [MD = 0.78, 95% CI (0.45, 1.11), P < .00001], and quality of life score for patients with swallowing disorders [MD = 21.68, 95% CI (8.47, 36.90), P = .001] were all superior to those of the controls. CONCLUSION Kinesio taping have been shown to improve swallowing function and nutritional status in patients with dysphagia in the pharyngeal phase.
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Affiliation(s)
- Xiaomei Li
- Guangxi University of Chinese Medicine, Nanning, China
- Guilin Municipal Hospital of Traditional Chinese Medicine, Guilin, China
| | - Hejia Cai
- College of Physical and Health Education, Guangxi Normal University, Guilin, China
| | - Ke Tang
- Guangxi University of Chinese Medicine, Nanning, China
- Guilin Municipal Hospital of Traditional Chinese Medicine, Guilin, China
| | - Fangcun Li
- Guilin Municipal Hospital of Traditional Chinese Medicine, Guilin, China
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Zhang H, Yang Z, Yuan W, Liu J, Luo X, Zhang Q, Li Y, Chen J, Zhou Y, Lv J, Zhou N, Ma J, Tang K, Huang B. Sustained AhR activity programs memory fate of early effector CD8 + T cells. Proc Natl Acad Sci U S A 2024; 121:e2317658121. [PMID: 38437537 PMCID: PMC10945852 DOI: 10.1073/pnas.2317658121] [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: 10/11/2023] [Accepted: 02/12/2024] [Indexed: 03/06/2024] Open
Abstract
Identification of mechanisms that program early effector T cells to either terminal effector T (Teff) or memory T (Tm) cells has important implications for protective immunity against infections and cancers. Here, we show that the cytosolic transcription factor aryl hydrocarbon receptor (AhR) is used by early Teff cells to program memory fate. Upon antigen engagement, AhR is rapidly up-regulated via reactive oxygen species signaling in early CD8+ Teff cells, which does not affect the effector response, but is required for memory formation. Mechanistically, activated CD8+ T cells up-regulate HIF-1α to compete with AhR for HIF-1β, leading to the loss of AhR activity in HIF-1αhigh short-lived effector cells, but sustained in HIF-1αlow memory precursor effector cells (MPECs) with the help of autocrine IL-2. AhR then licenses CD8+ MPECs in a quiescent state for memory formation. These findings partially resolve the long-standing issue of how Teff cells are regulated to differentiate into memory cells.
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Affiliation(s)
- Huafeng Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Zhuoshun Yang
- Institute of Biomedical Research, Department of Infectious Diseases, Regulatory Mechanism and Targeted Therapy for Liver Cancer Shiyan Key Laboratory, Hubei Provincial Clinical Research Center for Precise Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei442000, China
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Wu Yuan
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Jincheng Liu
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Xiao Luo
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Qian Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Yonggang Li
- Hubei Provincial Key Laboratory for Applied Toxicology, Hubei Provincial Center for Disease Control and Prevention, Wuhan430079, China
| | - Jie Chen
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100005, China
| | - Yabo Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100005, China
| | - Jiadi Lv
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100005, China
| | - Nannan Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100005, China
| | - Jingwei Ma
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
| | - Bo Huang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100005, China
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Ma J, Tang L, Tan Y, Xiao J, Wei K, Zhang X, Ma Y, Tong S, Chen J, Zhou N, Yang L, Lei Z, Li Y, Lv J, Liu J, Zhang H, Tang K, Zhang Y, Huang B. Lithium carbonate revitalizes tumor-reactive CD8 + T cells by shunting lactic acid into mitochondria. Nat Immunol 2024; 25:552-561. [PMID: 38263463 PMCID: PMC10907288 DOI: 10.1038/s41590-023-01738-0] [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: 10/09/2023] [Accepted: 12/18/2023] [Indexed: 01/25/2024]
Abstract
The steady flow of lactic acid (LA) from tumor cells to the extracellular space via the monocarboxylate transporter symport system suppresses antitumor T cell immunity. However, LA is a natural energy metabolite that can be oxidized in the mitochondria and could potentially stimulate T cells. Here we show that the lactate-lowering mood stabilizer lithium carbonate (LC) can inhibit LA-mediated CD8+ T cell immunosuppression. Cytoplasmic LA increased the pumping of protons into lysosomes. LC interfered with vacuolar ATPase to block lysosomal acidification and rescue lysosomal diacylglycerol-PKCθ signaling to facilitate monocarboxylate transporter 1 localization to mitochondrial membranes, thus transporting LA into the mitochondria as an energy source for CD8+ T cells. These findings indicate that targeting LA metabolism using LC could support cancer immunotherapy.
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Affiliation(s)
- Jingwei Ma
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liang Tang
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yaoyao Tan
- Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingxuan Xiao
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Keke Wei
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Zhang
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Ma
- Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuai Tong
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Chen
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Nannan Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Li Yang
- Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhang Lei
- Department of Oncology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yonggang Li
- Hubei Provincial Key Laboratory for Applied Toxicology, Hubei Provincial Center for Disease Control and Prevention, Wuhan, China
| | - Jiadi Lv
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junwei Liu
- Cardiovascular Surgery, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Huafeng Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ke Tang
- Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Zhang
- Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bo Huang
- Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Wu F, Fan S, He G, Liang S, Xu Y, Tang K. Comparison of Aroma Compounds and Sensory Characteristics between Two Different Types of Rice-Based Baijiu. Foods 2024; 13:681. [PMID: 38472793 DOI: 10.3390/foods13050681] [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: 01/29/2024] [Revised: 02/14/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Rice-based Baijiu has gained popularity in the Chinese market. Qingya-flavored Baijiu, a variant of Xiaoqu-fermented Baijiu, employs rice as its primary raw material, with an improved production process compared to traditional rice-flavored Baijiu. We comprehensively characterized and compared the aroma profiles of these two rice-based Baijiu types using static sensory experiments (QDA, quantitative descriptive analysis) and dynamic sensory experiments (TDS, temporal dominance of sensations). Qingya-flavored Baijiu exhibited pronounced plant, oily, and roasted aromas, while traditional rice-flavored Baijiu displayed more prominent fruity, floral, and sour notes. Utilizing GC-O-MS (gas chromatography-olfactometry-mass spectrometry) and multi-method quantification, we qualitatively and quantitatively analyzed 61 key aroma compounds, identifying 22 compounds with significant aroma contributions based on odor activity values (OAVs). Statistical analyses, combining sensory and chemical results, were conducted to predict important aroma compounds responsible for the aroma differences between the two Baijiu types. Aroma Recombination and Omission experiments showed that seven compounds play key roles in the aroma of Qingya-flavored Baijiu, including (2E,4E)-Deca-2,4-dienal, linalool, apricolin, ethyl acetate, ethyl isobutyrate, ethyl caprylate, and ethyl isovalerate.
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Affiliation(s)
- Fan Wu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
- Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Shaohui Fan
- Guangdong Shiwan Baijiu Group Company Ltd., Foshan 528000, China
| | - Guoliang He
- Guangdong Shiwan Baijiu Group Company Ltd., Foshan 528000, China
| | - Siyu Liang
- Guangdong Shiwan Baijiu Group Company Ltd., Foshan 528000, China
| | - Yan Xu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
- Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Ke Tang
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
- Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
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Zhang T, Hou C, Jiang R, Zhang X, Zhou C, Tang K, Lv H. Label Informed Contrastive Pretraining for Node Importance Estimation on Knowledge Graphs. IEEE Trans Neural Netw Learn Syst 2024; PP:1-15. [PMID: 38381647 DOI: 10.1109/tnnls.2024.3363695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Node importance estimation (NIE) is the task of inferring the importance scores of the nodes in a graph. Due to the availability of richer data and knowledge, recent research interests of NIE have been dedicated to knowledge graphs (KGs) for predicting future or missing node importance scores. Existing state-of-the-art NIE methods train the model by available labels, and they consider every interested node equally before training. However, the nodes with higher importance often require or receive more attention in real-world scenarios, e.g., people may care more about the movies or webpages with higher importance. To this end, we introduce Label Informed ContrAstive Pretraining (LICAP) to the NIE problem for being better aware of the nodes with high importance scores. Specifically, LICAP is a novel type of contrastive learning (CL) framework that aims to fully utilize continuous labels to generate contrastive samples for pretraining embeddings. Considering the NIE problem, LICAP adopts a novel sampling strategy called top nodes preferred hierarchical sampling to first group all interested nodes into a top bin and a nontop bin based on node importance scores, and then divide the nodes within the top bin into several finer bins also based on the scores. The contrastive samples are generated from those bins and are then used to pretrain node embeddings of KGs via a newly proposed predicate-aware graph attention networks (PreGATs), so as to better separate the top nodes from nontop nodes, and distinguish the top nodes within the top bin by keeping the relative order among finer bins. Extensive experiments demonstrate that the LICAP pretrained embeddings can further boost the performance of existing NIE methods and achieve new state-of-the-art performance regarding both regression and ranking metrics. The source code for reproducibility is available at https://github.com/zhangtia16/LICAP.
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Chen J, Zhou Y, Liu Z, Lu Y, Jiang Y, Cao K, Zhou N, Wang D, Zhang C, Zhou N, Shi K, Zhang L, Zhou L, Wang Z, Zhang H, Tang K, Ma J, Lv J, Huang B. Hepatic glycogenesis antagonizes lipogenesis by blocking S1P via UDPG. Science 2024; 383:eadi3332. [PMID: 38359126 DOI: 10.1126/science.adi3332] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 12/20/2023] [Indexed: 02/17/2024]
Abstract
The identification of mechanisms to store glucose carbon in the form of glycogen rather than fat in hepatocytes has important implications for the prevention of nonalcoholic fatty liver disease (NAFLD) and other chronic metabolic diseases. In this work, we show that glycogenesis uses its intermediate metabolite uridine diphosphate glucose (UDPG) to antagonize lipogenesis, thus steering both mouse and human hepatocytes toward storing glucose carbon as glycogen. The underlying mechanism involves transport of UDPG to the Golgi apparatus, where it binds to site-1 protease (S1P) and inhibits S1P-mediated cleavage of sterol regulatory element-binding proteins (SREBPs), thereby inhibiting lipogenesis in hepatocytes. Consistent with this mechanism, UDPG administration is effective at treating NAFLD in a mouse model and human organoids. These findings indicate a potential opportunity to ameliorate disordered fat metabolism in the liver.
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Affiliation(s)
- Jie Chen
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Yabo Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Zhuohang Liu
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Yan Lu
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Yishen Jiang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Kexin Cao
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Nannan Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Dianheng Wang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Chaoqi Zhang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
- Department of Thoracic Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Ning Zhou
- Department of Pathology, Sichuan Mianyang 404 Hospital, Sichuan 621000, China
| | - Keqing Shi
- Translational Medicine Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China
| | - Lu Zhang
- Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - Li Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Zhenfeng Wang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Huafeng Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jingwei Ma
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jiadi Lv
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
| | - Bo Huang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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10
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Zhou Y, Wang D, Zhou L, Zhou N, Wang Z, Chen J, Pang R, Fu H, Huang Q, Dong F, Cheng H, Zhang H, Tang K, Ma J, Lv J, Cheng T, Fiskesund R, Zhang X, Huang B. Cell softness renders cytotoxic T lymphocytes and T leukemic cells resistant to perforin-mediated killing. Nat Commun 2024; 15:1405. [PMID: 38360940 PMCID: PMC10869718 DOI: 10.1038/s41467-024-45750-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: 03/12/2023] [Accepted: 02/03/2024] [Indexed: 02/17/2024] Open
Abstract
Mechanical force contributes to perforin pore formation at immune synapses, thus facilitating the cytotoxic T lymphocytes (CTL)-mediated killing of tumor cells in a unidirectional fashion. How such mechanical cues affect CTL evasion of perforin-mediated autolysis remains unclear. Here we show that activated CTLs use their softness to evade perforin-mediated autolysis, which, however, is shared by T leukemic cells to evade CTL killing. Downregulation of filamin A is identified to induce softness via ZAP70-mediated YAP Y357 phosphorylation and activation. Despite the requirements of YAP in both cell types for softness induction, CTLs are more resistant to YAP inhibitors than malignant T cells, potentially due to the higher expression of the drug-resistant transporter, MDR1, in CTLs. As a result, moderate inhibition of YAP stiffens malignant T cells but spares CTLs, thus allowing CTLs to cytolyze malignant cells without autolysis. Our findings thus hint a mechanical force-based immunotherapeutic strategy against T cell leukemia.
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Affiliation(s)
- Yabo Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Dianheng Wang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Li Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Nannan Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Zhenfeng Wang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Jie Chen
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Ruiyang Pang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Haixia Fu
- Peking University People's Hospital, National Clinical Research Center for Hematologic Disease; Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Peking University Institute of Hematology, Beijing, China
| | - Qiusha Huang
- Peking University People's Hospital, National Clinical Research Center for Hematologic Disease; Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Peking University Institute of Hematology, Beijing, China
| | - Fang Dong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Hui Cheng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Huafeng Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingwei Ma
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiadi Lv
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Tao Cheng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Roland Fiskesund
- Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Xiaohui Zhang
- Peking University People's Hospital, National Clinical Research Center for Hematologic Disease; Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Peking University Institute of Hematology, Beijing, China.
| | - Bo Huang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China.
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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11
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Cheng Y, Wu C, Wu L, Zhao J, Zhao Y, Chen L, Xin Y, Zhang L, Pan P, Li X, Li J, Dong X, Tang K, Gao E, Yu F. A pivotal bridging study of lurbinectedin as second-line therapy in Chinese patients with small cell lung cancer. Sci Rep 2024; 14:3598. [PMID: 38351146 PMCID: PMC10864288 DOI: 10.1038/s41598-024-54223-5] [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: 07/08/2023] [Accepted: 02/09/2024] [Indexed: 02/16/2024] Open
Abstract
This single-arm, multi-center clinical trial aimed to evaluate the safety, tolerability, DLT, recommended dose (RD), preliminary efficacy, and pharmacokinetics (PK) characteristics of lurbinectedin, a selective inhibitor of oncogenic transcription, in Chinese patients with advanced solid tumors, including relapsed SCLC. Patients with advanced solid tumors were recruited in the dose-escalation stage and received lurbinectedin in a 3 + 3 design (two cohorts: 2.5 mg/m2 and 3.2 mg/m2, IV, q3wk). The RD was expanded in the following dose-expansion stage, including relapsed SCLC patients after first-line platinum-based chemotherapy. The primary endpoints included safety profile, tolerability, DLT, RD, and preliminary efficacy profile, while the secondary endpoints included PK characteristics. In the dose-escalation stage, ten patients were included, while one patient had DLT in the 3.2 mg/m2 cohort, which was also the RD for the dose-expansion stage. At cutoff (May 31, 2022), 22 SCLC patients were treated in the ongoing dose-expansion stage, and the median follow-up was 8.1 months (range 3.0-11.7). The most common grade ≥ 3 treatment-related adverse events (TRAEs) included neutropenia (77.3%), leukopenia (63.6%), thrombocytopenia (40.9%), anemia (18.2%), and ALT increased (18.2%). The most common severe adverse events (SAEs) included neutropenia (27.3%), leukopenia (22.7%), thrombocytopenia (18.2%), and vomiting (9.1%). No treatment-related deaths occurred. The Independent Review Committee (IRC)-assessed ORR was 45.5% (95% CI 26.9-65.3). Lurbinectedin at the RD (3.2 mg/m2) showed manageable safety and acceptable tolerability in Chinese patients with advanced solid tumors, and demonstrates promising efficacy in Chinese patients with SCLC as second-line therapy.Trial registration: This study was registered with ClinicalTrials.gov NCT04638491, 20/11/2020.
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Affiliation(s)
- Ying Cheng
- Department of Oncology, Jilin Cancer Hospital, Changchun, 130000, China.
| | - Chunjiao Wu
- Department of Oncology, Jilin Cancer Hospital, Changchun, 130000, China
| | - Lin Wu
- Department of Thoracic Oncology, Hunan Cancer Hospital, Changsha, 410013, China
| | - Jun Zhao
- Department of Thoracic Oncology, Beijing Cancer Hospital, Beijing, 100142, China
| | - Yanqiu Zhao
- Department of Oncology, Henan Cancer Hospital, Zhengzhou, 450003, China
| | - Lulu Chen
- Department of Oncology, Jilin Cancer Hospital, Changchun, 130000, China
| | - Ying Xin
- Department of Oncology, Jilin Cancer Hospital, Changchun, 130000, China
| | - Liang Zhang
- Department of Oncology, Jilin Cancer Hospital, Changchun, 130000, China
| | - Pinhua Pan
- Department of Respiratory Disease, Xiangya Hospital Central South University, Changsha, 410008, China
| | - Xingya Li
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Juan Li
- Department of Oncology, Sichuan Cancer Hospital, Chengdu, 610041, China
| | - Xiaorong Dong
- Center of Oncology, Union Hospital Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ke Tang
- Clinical Research Center of Luye Pharma Group Ltd, Luye Life Sciences Group, Beijing, 100080, China
| | - Emei Gao
- Clinical Research Center of Luye Pharma Group Ltd, Luye Life Sciences Group, Beijing, 100080, China
| | - Fei Yu
- School of Pharmacy, Yantai University, Yantai, 264005, China
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12
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Ma Y, Xu Y, Tang K. Molecular descriptors of icewine odorants: A first insight into their relationship with metabolism and olfactory perception. J Food Sci 2024; 89:1073-1085. [PMID: 38224113 DOI: 10.1111/1750-3841.16914] [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: 07/08/2023] [Revised: 11/14/2023] [Accepted: 12/18/2023] [Indexed: 01/16/2024]
Abstract
To investigate the differences in physicochemical parameters of compounds that are metabolized from different precursors and contribute to the aroma perception of icewine, odor-active compounds in icewine were identified by gas chromatography-olfactometry (GC-O) analysis combined with comprehensive two-dimensional GC and time-of-flight mass spectrometry (GC × GC-TOFMS) analysis, and the molecular descriptors of these odor-active compounds were calculated by computational chemistry software. The distribution pattern of these odorants classified by their precursors and their olfactory perception was visualized on the basis of their molecular descriptor differences. The results showed that the odorants sourced from different precursors could be clearly separated from each other based on their molecular descriptors, which belonged to blocks such as constitution indices and 2D matrix-based descriptors. The results also showed that honey and cooked potatoe descriptions or peach and smoke descriptions have quite different molecular descriptors. This study should contribute to future research that relates to computational chemistry-based aroma perception and prediction in fermented beverages. PRACTICAL APPLICATION: The results obtained from this study may be useful for the construction of a classification system of various odor-active compounds in a given product and may provide a molecular solution for the determination of different perceptual dimensions of an odor mixture.
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Affiliation(s)
- Yue Ma
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P. R. China
- Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Yan Xu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P. R. China
- Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Ke Tang
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu, P. R. China
- Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
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13
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Wang N, Wan R, Tang K. Transcriptional regulation in the development and dysfunction of neocortical projection neurons. Neural Regen Res 2024; 19:246-254. [PMID: 37488873 PMCID: PMC10503610 DOI: 10.4103/1673-5374.379039] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/10/2023] [Accepted: 05/17/2023] [Indexed: 07/26/2023] Open
Abstract
Glutamatergic projection neurons generate sophisticated excitatory circuits to integrate and transmit information among different cortical areas, and between the neocortex and other regions of the brain and spinal cord. Appropriate development of cortical projection neurons is regulated by certain essential events such as neural fate determination, proliferation, specification, differentiation, migration, survival, axonogenesis, and synaptogenesis. These processes are precisely regulated in a tempo-spatial manner by intrinsic factors, extrinsic signals, and neural activities. The generation of correct subtypes and precise connections of projection neurons is imperative not only to support the basic cortical functions (such as sensory information integration, motor coordination, and cognition) but also to prevent the onset and progression of neurodevelopmental disorders (such as intellectual disability, autism spectrum disorders, anxiety, and depression). This review mainly focuses on the recent progress of transcriptional regulations on the development and diversity of neocortical projection neurons and the clinical relevance of the failure of transcriptional modulations.
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Affiliation(s)
- Ningxin Wang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou, Guangdong Province, China
| | - Rong Wan
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou, Guangdong Province, China
| | - Ke Tang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou, Guangdong Province, China
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14
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Li G, Yang P, Qian C, Hong R, Tang K. Stage-Wise Magnitude-Based Pruning for Recurrent Neural Networks. IEEE Trans Neural Netw Learn Syst 2024; 35:1666-1680. [PMID: 35759588 DOI: 10.1109/tnnls.2022.3184730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A recurrent neural network (RNN) has shown powerful performance in tackling various natural language processing (NLP) tasks, resulting in numerous powerful models containing both RNN neurons and feedforward neurons. On the other hand, the deep structure of RNN has heavily restricted its implementation on mobile devices, where quite a few applications involve NLP tasks. Magnitude-based pruning (MP) is a promising way to address such a challenge. However, the existing MP methods are mostly designed for feedforward neural networks that do not involve a recurrent structure, and, thus, have performed less satisfactorily on pruning models containing RNN layers. In this article, a novel stage-wise MP method is proposed by explicitly taking the featured recurrent structure of RNN into account, which can effectively prune feedforward layers and RNN layers, simultaneously. The connections of neural networks are first grouped into three types according to how they are intersected with recurrent neurons. Then, an optimization-based pruning method is applied to compress each group of connections, respectively. Empirical studies show that the proposed method performs significantly better than the commonly used RNN pruning methods; i.e., up to 96.84% connections are pruned with little or even no degradation of precision indicators on the testing datasets.
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15
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Nie J, Wu H, Wu Q, Liu L, Tang K, Wang S, Wu J. Cost-effectiveness of pembrolizumab versus chemotherapy in patients with platinum-pretreated, recurrent or metastatic nasopharyngeal cancer. Cost Eff Resour Alloc 2024; 22:6. [PMID: 38267990 PMCID: PMC10809591 DOI: 10.1186/s12962-024-00515-6] [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: 07/24/2023] [Accepted: 01/11/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Programmed cell death protein 1 (PD-1) monoclonal antibody, pembrolizumab, is a promising drug for platinum-pretreated, recurrent or metastatic nasopharyngeal cancer (NPC). We aimed to assess the cost-effectiveness of pembrolizumab compared with chemotherapy for Chinese patients in this NPC. METHODS The cost-effectiveness of pembrolizumab versus chemotherapy was evaluated using a partitioned survival model with a 5-year boundary. Efficacy and toxicity data were derived from the KEYNOTE-122 trials. Economic indicators including life-years (LYs), quality-adjusted life-years (QALYs), incremental cost-effectiveness ratio (ICER), and lifetime cost were used. One-way analysis and probabilistic sensitivity analysis (PSA) were performed to explore the uncertainties. Additionally, various scenario analyses, including different pembrolizumab price calculations and discount rates were performed. RESULTS Pembrolizumab or chemotherapy alone respectively yielded 2.82 QALYs (3.96 LYs) and 2.73 QALYs (3.93 LYs) with an ICER of $422,535 per QALYs ($1,232,547 per LYs). This model was primarily influenced by the price of pembrolizumab. Furthermore, PSA indicated that pembrolizumab had none probability of being cost-effective compared with chemotherapy at a willingness-to- pay (WTP) of $38223. Scenario analyses revealed that irrespective of any potential price reduction or adjustments in the discount rate, no discernible impact on the ultimate outcome was observed. CONCLUSION Pembrolizumab was less cost-effective for patients with platinum-pretreated, recurrent or metastatic NPC compared with chemotherapy in China.
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Affiliation(s)
- Jing Nie
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Huina Wu
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Qian Wu
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Lihui Liu
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Ke Tang
- College of Pharmacy, Shandong Medical College, Jinan, Shandong, China
| | - Shuo Wang
- College of Pharmacy, Shandong Medical College, Jinan, Shandong, China
| | - Jiyong Wu
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China.
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Li H, Huang H, Lina A, Tang K, Chen Z, Zhang Z, Xu K, Ding K, Wang L, Huang J. Influence of substrate temperature on the properties of ZnTe:Cu films prepared by a magnetron co-sputtering method. Heliyon 2024; 10:e23349. [PMID: 38173527 PMCID: PMC10761351 DOI: 10.1016/j.heliyon.2023.e23349] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024] Open
Abstract
Copper-doped Zinc Tellurium (ZnTe:Cu) films were deposited on borosilicate glass using magnetron co-sputtering technique. The influence of the substrate temperature on the structural, morphological, optical and electrical properties of ZnTe:Cu films was investigated by X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), UV-Vis spectrophotometer and Hall effect measurement system. The results indicate that substrate temperature significantly affects the properties of the ZnTe:Cu films. When the substrate temperature increases from room temperature to 600 °C, the (111)-preferred orientation of ZnTe:Cu films is gradually replaced by the (220)-preferred orientation. At high substrate temperatures (≥500 °C), the CuxTe phase appears in the ZnTe:Cu films, resulting in higher carrier concentration (>1019 cm-3) and lower resistivity (<10-2 Ω cm) of the prepared films.
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Affiliation(s)
- Hongwei Li
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Haofei Huang
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Azhati Lina
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Ke Tang
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Zhejiang Institute of Advanced Materials, SHU, Jiashan 314113, China
| | - Zhuorui Chen
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Zilong Zhang
- Research Center for Functional Materials, National Institute for Materials Sciences (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Ke Xu
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Keke Ding
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Linjun Wang
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Zhejiang Institute of Advanced Materials, SHU, Jiashan 314113, China
- Shanghai Collaborative Innovation Center of Intelligent Sensing Chip Technology, Shanghai, China
| | - Jian Huang
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Zhejiang Institute of Advanced Materials, SHU, Jiashan 314113, China
- Shanghai Collaborative Innovation Center of Intelligent Sensing Chip Technology, Shanghai, China
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17
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Wu H, Sun L, Feng R, Zhang H, Tang K, Wang S, Nie J. Cost-effectiveness of rezvilutamide versus bicalutamide and androgen-deprivation therapy in patients with highvolume, metastatic, hormone-sensitive prostate cancer. Front Pharmacol 2024; 14:1269129. [PMID: 38264528 PMCID: PMC10803462 DOI: 10.3389/fphar.2023.1269129] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 12/04/2023] [Indexed: 01/25/2024] Open
Abstract
Background: Rezvilutamide, a novel androgen-receptor inhibitor with limited blood-brain barrier penetration, exhibits significant antitumour activity against highvolume, metastatic, hormone-sensitive prostate cancer (mHSPC). In this study, we aimed to compare the cost-effectiveness of rezvilutamide and bicalutamide as first-line treatments for untreated prostate cancer among Chinese patients, in order to evaluate the efficacy of rezvilutamide. Methods: In this study, we utilized partition survival model to assess the cost-effectiveness of rezvilutamide and bicalutamide treatments for highvolume mHSPC. The model was developed using TreeAge Pro 2022 software and relied on clinical data obtained from the CHART trial. Transition probabilities were estimated from the reported survival probabilities in trials using parametric survival modeling. From the perspective of the Chinese healthcare system, we calculated quality-adjusted life years (QALYs), incremental cost-effectiveness ratio (ICER), and lifetime cost. A lifetime horizon and an annual discount rate of 5% were employed. To address modeling uncertainties, we conducted one-way sensitivity analysis and probabilistic sensitivity analysis. Results: The cost of rezvilutamide versus bicalutamide were $62700 and $13200. Rezvilutamide had an ICER of $41900 per additional QALYs gained compared with bicalutamide. Research indicated that rezvilutamide achieved at least an 28.20% probability of cost-effectiveness at the threshold of $38223.34/QALY. One-way sensitivity analysis revealed that the results were sensitive to utility of PD. Scenario analysis showed that rezvilutamide was cost-effectiveness if its price was reduced by more than 10%. Conclusion: Based on the analysis at the current price, rezvilutamide was found to be less cost-effective for patients with highvolume mHSPC compared to bicalutamide in China.
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Affiliation(s)
- Huina Wu
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Lei Sun
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Rui Feng
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Huiyue Zhang
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
| | - Ke Tang
- College of Pharmacy, Linyi University, Linyi, Shandong, China
| | - Shuo Wang
- School of Business Administration, Shandong Women’s University, Jinan, Shandong, China
| | - Jing Nie
- Department of Pharmacy, Shandong Second Provincial General Hospital, Jinan, Shandong, China
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Lyu J, Wang S, Ma Y, Xu Y, Tang K. Study on the interaction of tannins and salivary proteins affecting wine aroma volatility: Static HS-SPME and molecular dynamics simulation approaches. Food Res Int 2024; 175:113809. [PMID: 38129011 DOI: 10.1016/j.foodres.2023.113809] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/22/2023] [Accepted: 12/02/2023] [Indexed: 12/23/2023]
Abstract
The interaction between tannins and salivary proteins might affect intraoral aroma release during wine consumption. In this study, the influence and underlying mechanism of interactions between EGCG and IB5 (salivary proline-rich protein) on wine aroma compounds was analysed by static HS-SPME in vitro and molecular dynamics (MD) simulation. The interaction between IB5 and EGCG could significantly reduce the volatility of most aroma compounds in the model wine by 20 %-70 % (p < 0.05). MD simulations indicated that the energy received by aroma compounds in the mixed system was more pronounced. In addition, the decline rate of rational correlation functions (RCF) of aroma compounds in the mixed system was obviously slower. The analysis of the independent gradient model (IGM) indicated that aroma compounds combined with aggregates of IB5 and EGCG through hydrogen bonds and van der Waals forces. The effect of the interaction between EGCG and IB5 on aroma compounds was confirmed by the volatility and molecular computational simulation. Overall, the results enhance the understanding of the mechanisms affecting retronasal aroma release during wine consumption.
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Affiliation(s)
- Jiaheng Lyu
- School of Food and Bioengineering, Yantai Institute of Technology, 100 Port City East Steet Ave, Yantai, Shandong, PR China; Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Ave, Wuxi, Jiangsu, PR China
| | - Shang Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034 Dalian, Liaoning, PR China
| | - Yue Ma
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Ave, Wuxi, Jiangsu, PR China
| | - Yan Xu
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Ave, Wuxi, Jiangsu, PR China
| | - Ke Tang
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Ave, Wuxi, Jiangsu, PR China.
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Ma Y, Li Y, Zhang B, Shen C, Yu L, Xu Y, Tang K. Chemosensory Characteristics of Brandies from Chinese Core Production Area and First Insights into Their Differences from Cognac. Foods 2023; 13:27. [PMID: 38201053 PMCID: PMC10777998 DOI: 10.3390/foods13010027] [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: 11/04/2023] [Revised: 12/04/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
This work aimed to compare the aroma characteristics of representative brandies with different grades from Yantai (one of the Chinese core production areas) and Cognac and to establish relationships between sensory descriptors and chemical composition. Descriptive analysis was performed with a trained panel to obtain the sensory profiles. Forty-three aroma-active compounds were quantified by four different methodologies. A prediction model on the basis of partial least squares analysis was performed to identify candidate compounds that were unique to a certain group of brandies. The result showed that brandies from Yantai could be distinguished from Cognac brandies on the basis of spicy, dried fruit, floral, and fruity-like aromas, which were associated with an aromatic balance between concentrations of a set of compounds such as 5-methylfurfural, γ-nonalactone, and γ-dodecalactone. Meanwhile, brandy with different grades could be distinguished on the basis of compounds derived mostly during the aging process.
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Affiliation(s)
- Yue Ma
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Y.M.); (Y.L.); (Y.X.)
| | - Yuanyi Li
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Y.M.); (Y.L.); (Y.X.)
| | - Baochun Zhang
- ChangYu Group Company Ltd., Yantai 264000, China; (B.Z.); (C.S.); (L.Y.)
| | - Chunhua Shen
- ChangYu Group Company Ltd., Yantai 264000, China; (B.Z.); (C.S.); (L.Y.)
| | - Lina Yu
- ChangYu Group Company Ltd., Yantai 264000, China; (B.Z.); (C.S.); (L.Y.)
| | - Yan Xu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Y.M.); (Y.L.); (Y.X.)
| | - Ke Tang
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Y.M.); (Y.L.); (Y.X.)
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20
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Zhou N, Chen J, Ling Z, Zhang C, Zhou Y, Wang D, Zhou L, Wang Z, Sun N, Wang X, Zhang H, Tang K, Ma J, Lv J, Huang B. Aryl hydrocarbon receptor sulfenylation promotes glycogenolysis and rescues cancer chemoresistance. J Clin Invest 2023; 133:e170753. [PMID: 38099490 PMCID: PMC10721154 DOI: 10.1172/jci170753] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 10/17/2023] [Indexed: 12/18/2023] Open
Abstract
Elevation of reactive oxygen species (ROS) levels is a general consequence of tumor cells' response to treatment and may cause tumor cell death. Mechanisms by which tumor cells clear fatal ROS, thereby rescuing redox balance and entering a chemoresistant state, remain unclear. Here, we show that cysteine sulfenylation by ROS confers on aryl hydrocarbon receptor (AHR) the ability to dissociate from the heat shock protein 90 complex but to bind to the PPP1R3 family member PPP1R3C of the glycogen complex in drug-treated tumor cells, thus activating glycogen phosphorylase to initiate glycogenolysis and the subsequent pentose phosphate pathway, leading to NADPH production for ROS clearance and chemoresistance formation. We found that basic ROS levels were higher in chemoresistant cells than in chemosensitive cells, guaranteeing the rapid induction of AHR sulfenylation for the clearance of excess ROS. These findings reveal that AHR can act as an ROS sensor to mediate chemoresistance, thus providing a potential strategy to reverse chemoresistance in patients with cancer.
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Affiliation(s)
- Nannan Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Jie Chen
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Zheng Ling
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Chaoqi Zhang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
- Department of Thoracic Surgery, National Cancer Center/Cancer Hospital; and
| | - Yabo Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Dianheng Wang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Li Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Zhenfeng Wang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Nan Sun
- Department of Thoracic Surgery, National Cancer Center/Cancer Hospital; and
| | - Xin Wang
- Department of Breast Surgical Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | | | - Ke Tang
- Department of Biochemistry and Molecular Biology, and
| | - Jingwei Ma
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiadi Lv
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
| | - Bo Huang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences
- Department of Pathology
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21
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Ma Y, Guilbert A, Béno N, Tang K, Xu Y, Thomas-Danguin T. Exploring the effects of mixture composition factors and perceptual interactions on the perception of icewine odor: An olfactometer-based study. Food Chem 2023; 429:136881. [PMID: 37487387 DOI: 10.1016/j.foodchem.2023.136881] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/30/2023] [Accepted: 07/11/2023] [Indexed: 07/26/2023]
Abstract
The perception of food odor, derived from complex mixtures of odorants, remains poorly understood. This study investigated how key odorants of icewine influence odor mixture perception and mixture-induced perceptual interactions. A multichannel olfactometer was used to deliver 90 mixtures to 36 trained participants who used a Rate-All-That-Apply method to rate the odor samples. Results showed that adding odorants to a mixture affected both the characteristic odor of the individual component and other odor characteristics, revealing specific perceptual interactions. Combining up to six odorants with icewine odor influenced a maximum of two odor characteristics in the mixture, regardless of the specific combination. Interestingly, adding odorants had a stronger impact on the overall mixture odor profile than omitting them, particularly when manipulating fewer than three odorants. These findings emphasize the complexity of odor mixture perception and provide new insights into the influence of key odorants on the aroma of wine.
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Affiliation(s)
- Yue Ma
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China; Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China; Centre des Sciences du Goût et de l'Alimentation, INRAE, CNRS, Institut Agro, Université Bourgogne Franche-Comté, Dijon, France.
| | - Anaïs Guilbert
- Centre des Sciences du Goût et de l'Alimentation, INRAE, CNRS, Institut Agro, Université Bourgogne Franche-Comté, Dijon, France.
| | - Noëlle Béno
- Centre des Sciences du Goût et de l'Alimentation, INRAE, CNRS, Institut Agro, Université Bourgogne Franche-Comté, Dijon, France.
| | - Ke Tang
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China; Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China.
| | - Yan Xu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China; Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China.
| | - Thierry Thomas-Danguin
- Centre des Sciences du Goût et de l'Alimentation, INRAE, CNRS, Institut Agro, Université Bourgogne Franche-Comté, Dijon, France.
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22
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Tang K, Zhang N, Yuan X, Qian Z, Li Y, Feng X. MatBED_B&C: A 3-dimensional biologically effective dose analytic approach for the retrospective study of gamma knife radiosurgery in a B&C model. MethodsX 2023; 11:102320. [PMID: 37601290 PMCID: PMC10433126 DOI: 10.1016/j.mex.2023.102320] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 08/04/2023] [Indexed: 08/22/2023] Open
Abstract
The biological effect of irradiation is not solely determined by the physical dose. Gamma knife radiosurgery may be influenced by dose rate, beam-on-time, numbers of iso-centers, the gap between the individual iso-centers, and the dose‒response of various tissues. The biologically effective dose (BED) for radiosurgery considers these issues. Millions of patients treated with Models B and C provide a vast database to mine BED-related information. This research aims to develop MatBED_B&C, a 3-dimensional (3D) BED analytic approach, to generate a BED for individual voxels in the calculation matrix with related parameters extracted from Gammaplan. This approach calculates the distribution profiles of the BED in radiosurgical targets and organs at risk. A BED calculated on a voxel-by-voxel basis can be used to show the 3D morphology of the iso-BED surface and visualize the BED spatial distribution in the target. A 200 × 200 × 200 matrix can cover a greater range of the organ at risk. The BED calculated by MatBED_B&C can also be used to form BED-volume histograms to generate plan quality metrics, which will be studied in a retrospective study of gamma knife radiosurgery to guide future BED planning.•We develop MatBED_B&C to calculate the 3D BED in radiosurgical targets.•The BED of MatBED_B&C can visualize the BED spatial distribution profiles.•The BED of MatBED_B&C will generate plan quality metrics studied in a retrospective study.
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Affiliation(s)
- Ke Tang
- Department of Neurosurgery, Chinese PLA General Hospital, 28 Fuxing Road, Beijing, PR China
| | - Nan Zhang
- Department of Neurosurgery, Huashan Hospital, Fudan University, 12 Wulumuqi (Middle) Road, Shanghai, PR China
| | - Xiaodong Yuan
- Department of Radiology, The Eighth Medical Center of Chinese PLA General Hospital, 17 Heishanhu Road, Beijing, PR China
| | - Zenghui Qian
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 119 Fanyang Road, Fengtai District, Beijing, PR China
| | - Yang Li
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Road, Beijing, PR China
| | - Xu Feng
- Department of Basic Medicine, Xiamen Medical College, 1999 Guankouzhong Road, Xiamen, Fujian Province, PR China
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23
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Tang K, Wang F, Dai SQ, Yang ZY, Duan LY, Luo ML, Tay FR, Niu LN, Zhou W, Chen JH. Enhanced Bonding to Caries-Affected Dentin Using an Isocyanate-Based Primer. J Dent Res 2023; 102:1444-1451. [PMID: 37950512 DOI: 10.1177/00220345231199416] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023] Open
Abstract
Dental caries is the most common oral disease and the most common cause of resin restorations. In minimally invasive dentistry, the principle behind cavity preparation is to remove external caries-infected dentin (CID) and preserve internal caries-affected dentin (CAD) and sound dentin (SD). The cavity floor is mainly composed of CAD, but the poor bonding performance of CAD has become a widespread concern. This study evaluated the performance of a new collagen-reactive monomer (ITCM) used as a primer to improve the bonding performance of CAD. The experimental specimens were grouped as follows: SD, CAD, and ITCM-pretreated CAD (CAD-ITCM). Dentin slices were obtained for attenuated total reflectance-Fourier transform infrared (ATR-FTIR) analysis. The bonded samples were subjected to microtensile bond strength analysis after 24 h of water storage or aging by thermocycling, and the bonding interface quality was evaluated by nanoleakage assessment, interfacial nanoindentation testing, and in situ zymography. Cytotoxicity experiments with ITCM were performed. ATR-FTIR showed that the isocyanate groups in ITCM can covalently bind and form hydrogen bonds with the collagen in CAD to mediate chemical bonding. ITCM pretreatment significantly improved the bond strength of CAD (P < 0.05), reduced interfacial nanoleakage, improved the sealing of the bonding interface, enhanced the homogeneity of the hybrid layer, and inhibited matrix metalloproteinase activity. In addition, ITCM presented acceptable biocompatibility for dental restorative application. Taken together, this study reported the application of ITCM to induce collagen-based chemical bonding in the CAD bonding system, which fills the gap in strategies to improve the bonding performance of CAD immediately and after aging and has important clinical application prospects.
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Affiliation(s)
- K Tang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - F Wang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - S Q Dai
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Z Y Yang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - L Y Duan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - M L Luo
- Institute of Stomatology & Oral Maxilla Facial Key Laboratory, The First Medical Center, Chinese PLA General Hospital & Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Xi'an, Beijing, China
| | - F R Tay
- The Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - L N Niu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - W Zhou
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - J H Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
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24
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Zhou L, Wu D, Zhou Y, Wang D, Fu H, Huang Q, Qin G, Chen J, Lv J, Lai S, Zhang H, Tang K, Ma J, Fiskesund R, Zhang Y, Zhang X, Huang B. Tumor cell-released kynurenine biases MEP differentiation into megakaryocytes in individuals with cancer by activating AhR-RUNX1. Nat Immunol 2023; 24:2042-2052. [PMID: 37919525 PMCID: PMC10681900 DOI: 10.1038/s41590-023-01662-3] [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: 03/05/2023] [Accepted: 09/27/2023] [Indexed: 11/04/2023]
Abstract
Tumor-derived factors are thought to regulate thrombocytosis and erythrocytopenia in individuals with cancer; however, such factors have not yet been identified. Here we show that tumor cell-released kynurenine (Kyn) biases megakaryocytic-erythroid progenitor cell (MEP) differentiation into megakaryocytes in individuals with cancer by activating the aryl hydrocarbon receptor-Runt-related transcription factor 1 (AhR-RUNX1) axis. During tumor growth, large amounts of Kyn from tumor cells are released into the periphery, where they are taken up by MEPs via the transporter SLC7A8. In the cytosol, Kyn binds to and activates AhR, leading to its translocation into the nucleus where AhR transactivates RUNX1, thus regulating MEP differentiation into megakaryocytes. In addition, activated AhR upregulates SLC7A8 in MEPs to induce positive feedback. Importantly, Kyn-AhR-RUNX1-regulated MEP differentiation was demonstrated in both humanized mice and individuals with cancer, providing potential strategies for the prevention of thrombocytosis and erythrocytopenia.
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Affiliation(s)
- Li Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Dongxiao Wu
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Yabo Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Dianheng Wang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Haixia Fu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Qiusha Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Guohui Qin
- Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jie Chen
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Jiadi Lv
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Shaoyang Lai
- The Department of Obstetrics, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Huafeng Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingwei Ma
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Roland Fiskesund
- Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Yi Zhang
- Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Xiaohui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China.
| | - Bo Huang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China.
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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25
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Zhou L, Wu D, Zhou Y, Wang D, Fu H, Huang Q, Qin G, Chen J, Lv J, Lai S, Zhang H, Tang K, Ma J, Fiskesund R, Zhang Y, Zhang X, Huang B. Publisher Correction: Tumor cell-released kynurenine biases MEP differentiation into megakaryocytes in individuals with cancer by activating AhR-RUNX1. Nat Immunol 2023; 24:2165. [PMID: 37935894 PMCID: PMC10681885 DOI: 10.1038/s41590-023-01699-4] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Affiliation(s)
- Li Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Dongxiao Wu
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Yabo Zhou
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Dianheng Wang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Haixia Fu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Qiusha Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Guohui Qin
- Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jie Chen
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Jiadi Lv
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Shaoyang Lai
- The Department of Obstetrics, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Huafeng Zhang
- Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingwei Ma
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Roland Fiskesund
- Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Yi Zhang
- Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Xiaohui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China.
| | - Bo Huang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China.
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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26
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Li J, Guo ZB, Tang K, Wan XL, Yang Y, Ni HJ, Zhu MH, Guo FL, Liu WH. [Clinical outcomes of endovascular therapy in acute stroke patients with anterior circulation tandem occlusions due to atherosclerosis and dissection]. Zhonghua Nei Ke Za Zhi 2023; 62:1317-1322. [PMID: 37935498 DOI: 10.3760/cma.j.cn112138-20230121-00032] [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] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Objective: To compare the clinical outcomes of endovascular therapy in acute stroke patients with anterior circulation tandem occlusions caused by atherosclerosis or dissection. Methods: A retrospective cohort study. A total of 98 patients with anterior circulation tandem lesions undergoing endovascular therapy in the Wuhan NO.1 Hospital (March 2016 to March 2022) were analyzed. Median age was 64(55,71) years old, and 82.7% (81/98 cases) were males. According to the lesion etiology, the patients were divided into atherosclerosis and dissection groups. The differences in clinical outcomes between the two groups were investigated, including favorable 90-day functional outcome (modified Rankin Scale score of 0-2), successful reperfusion (modified Thrombolysis in Cerebrovascular Infarction score of 2b-3), symptomatic intracranial hemorrhage, stroke-associated pneumonia, 90-day all-cause mortality, and average hospitalization days. Logistic regression analysis was used to adjust for potential confounders affecting functional outcomes in both groups, and to determine odds ratios and 95% confidence intervals. Results: Seventy-one patients were grouped into the atherosclerotic cause and 27 into the dissection cause cohorts. The rate of favorable 90-day functional outcome was 43.7% (31/71 cases) in the atherosclerosis group versus 55.6% (15/27 cases) in the dissection group (adjusted odds ratio=1.339; 95% confidence interval, 0.374-4.798; P=0.654). No significant differences were found in other clinical outcomes between the two groups (all P>0.05). Conclusion: The clinical prognosis of patients with tandem lesions caused by atherosclerotic stenosis or artery dissection was similar after endovascular therapy. Future studies are still needed to verify our results.
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Affiliation(s)
- J Li
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - Z B Guo
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - K Tang
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - X L Wan
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - Y Yang
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - H J Ni
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - M H Zhu
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - F L Guo
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
| | - W H Liu
- Department of Neurology, Wuhan No.1 Hospital, Wuhan 430022, China
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27
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Yang S, Qu J, Tang K, Zhao X, Zhou H, Hu J. Trophic niche and adaptation in highland lizards: sex has greater influences than species matching. Integr Zool 2023. [PMID: 37858979 DOI: 10.1111/1749-4877.12779] [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] [Indexed: 10/21/2023]
Abstract
The plateau environments are typically arid, cool, and high altitude, posing formidable challenges to wildlife survival due to resource scarcity and harsh conditions. Unraveling ecological adaptability in severe conditions requires a deeper understanding of the niche characteristics of plateau species. Trophic niche, which is a comprehensive indicator describing the energy acquisition strategy of animals, remains relatively understudied in plateau species. Here, by combining stable isotopes and morphological data, we quantified the trophic niches of two allopatric lizard species (Phrynocephalus vlangalii and P. erythrurus) that live in the hinterland of the Qinghai-Tibetan Plateau, and explored how their trophic niches correlate with morphological and environmental factors. While both trophic niche and morphological traits were similar between species, noteworthy distinctions were observed between male and female Phrynocephalus lizards. The morphological traits associated with predation (i.e. limb length and head size) and reproduction (i.e. abdomen length), annual mean temperature, and sex played influential roles in shifting trophic niches. These results imply that sexual dimorphism may facilitate inter-sex divergence in resource utilization, leading to trophic niche variations in the highland lizards. Furthermore, extreme environmental stress can constrain interspecific divergence in morphological and trophic traits. Our findings illustrate the dynamic variations of trophic niches in highland lizards, contributing to a more comprehensive understanding of the adaptation strategies employed by lizard species in plateau environments.
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Affiliation(s)
- Shengnan Yang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jiapeng Qu
- Qinghai Provincial Key Laboratory of Restoration Ecology for Cold Region, Northwest lnstitute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Ke Tang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Xinquan Zhao
- Qinghai Provincial Key Laboratory of Restoration Ecology for Cold Region, Northwest lnstitute of Plateau Biology, Chinese Academy of Sciences, Xining, China
- Qinghai University, Xining, China
| | - Huakun Zhou
- Qinghai Provincial Key Laboratory of Restoration Ecology for Cold Region, Northwest lnstitute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Junhua Hu
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
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Yan M, Liu H, Xu Q, Yu S, Tang K, Xie Y. Development and validation of a prediction model for in-hospital death in patients with heart failure and atrial fibrillation. BMC Cardiovasc Disord 2023; 23:505. [PMID: 37821809 PMCID: PMC10566083 DOI: 10.1186/s12872-023-03521-3] [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: 05/19/2023] [Accepted: 09/20/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND To develop a prediction model for in-hospital mortality of patients with heart failure (HF) and atrial fibrillation (AF). METHODS This cohort study extracted the data of 10,236 patients with HF and AF upon intensive care unit (ICU) from the Medical Information Mart for Intensive Care (MIMIC). The subjects from MIMIC-IV were divided into the training set to construct the prediction model, and the testing set to verify the performance of the model. The samples from MIMIC-III database and eICU-CRD were included as the internal and external validation set to further validate the predictive value of the model, respectively. Univariate and multivariable Logistic regression analyses were used to explore predictors for in-hospital death in patients with HF and AF. The receiver operator characteristic (ROC), calibration curves and the decision curve analysis (DCA) curves were plotted to evaluate the predictive values of the model. RESULTS The mean survival time of participants from MIMIC-III was 11.29 ± 10.05 days and the mean survival time of participants from MIMIC-IV was 10.56 ± 9.19 days. Simplified acute physiology score (SAPSII), red blood cell distribution width (RDW), beta-blocker, race, respiratory rate, urine output, coronary artery bypass grafting (CABG), Charlson comorbidity index, renal replacement therapies (RRT), antiarrhythmic, age, and anticoagulation were predictors finally included in the prediction model. The AUC of our prediction model was 0.810 (95%CI: 0.791-0.828) in the training set, 0.757 (95%CI: 0.729-0.786) in the testing set, 0.792 (95%CI: 0.774-0.810) in the internal validation set, and 0.724 (95%CI: 0.687-0.762) in the external validation set. The calibration curves of revealed that the predictive probabilities of our model for the in-hospital death in patients with HF and AF deviated slightly from the ideal model. The DCA curves revealed that the use of our prediction model increased the net benefit than use no model. CONCLUSION The prediction model had good discriminative ability, and might provide a tool to timely identify patients with HF complicated with AF who were at high risk of in-hospital mortality.
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Affiliation(s)
- Meiyu Yan
- Department of Cardiology, Putuo People's Hospital Affiliated to Tongji University, 1291# Jiangning Road, Putuo District, Shanghai, 200060, China
| | - Huizhu Liu
- Department of Cardiology, Putuo People's Hospital Affiliated to Tongji University, 1291# Jiangning Road, Putuo District, Shanghai, 200060, China
| | - Qunfeng Xu
- Department of Cardiology, Putuo People's Hospital Affiliated to Tongji University, 1291# Jiangning Road, Putuo District, Shanghai, 200060, China
| | - Shushu Yu
- Department of Cardiology, Putuo People's Hospital Affiliated to Tongji University, 1291# Jiangning Road, Putuo District, Shanghai, 200060, China
| | - Ke Tang
- Department of Cardiology, Putuo People's Hospital Affiliated to Tongji University, 1291# Jiangning Road, Putuo District, Shanghai, 200060, China
| | - Yun Xie
- Department of Cardiology, Putuo People's Hospital Affiliated to Tongji University, 1291# Jiangning Road, Putuo District, Shanghai, 200060, China.
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Yang X, Wan R, Liu Z, Feng S, Yang J, Jing N, Tang K. The differentiation and integration of the hippocampal dorsoventral axis are controlled by two nuclear receptor genes. eLife 2023; 12:RP86940. [PMID: 37751231 PMCID: PMC10522401 DOI: 10.7554/elife.86940] [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: 09/27/2023] Open
Abstract
The hippocampus executes crucial functions from declarative memory to adaptive behaviors associated with cognition and emotion. However, the mechanisms of how morphogenesis and functions along the hippocampal dorsoventral axis are differentiated and integrated are still largely unclear. Here, we show that Nr2f1 and Nr2f2 genes are distinctively expressed in the dorsal and ventral hippocampus, respectively. The loss of Nr2f2 results in ectopic CA1/CA3 domains in the ventral hippocampus. The deficiency of Nr2f1 leads to the failed specification of dorsal CA1, among which there are place cells. The deletion of both Nr2f genes causes almost agenesis of the hippocampus with abnormalities of trisynaptic circuit and adult neurogenesis. Moreover, Nr2f1/2 may cooperate to guarantee appropriate morphogenesis and function of the hippocampus by regulating the Lhx5-Lhx2 axis. Our findings revealed a novel mechanism that Nr2f1 and Nr2f2 converge to govern the differentiation and integration of distinct characteristics of the hippocampus in mice.
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Affiliation(s)
- Xiong Yang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou UniversityGuangzhouChina
| | - Rong Wan
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou UniversityGuangzhouChina
| | - Zhiwen Liu
- Guangzhou Laboratory/Bioland LaboratoryGuangzhouChina
- CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangdong Institutes of Biomedicine and Health, Chinese Academy of SciencesGuangzhouChina
| | - Su Feng
- Guangzhou Laboratory/Bioland LaboratoryGuangzhouChina
- CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangdong Institutes of Biomedicine and Health, Chinese Academy of SciencesGuangzhouChina
| | - Jiaxin Yang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou UniversityGuangzhouChina
| | - Naihe Jing
- Guangzhou Laboratory/Bioland LaboratoryGuangzhouChina
- CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangdong Institutes of Biomedicine and Health, Chinese Academy of SciencesGuangzhouChina
| | - Ke Tang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou UniversityGuangzhouChina
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Su W, Tao M, Ma L, Tang K, Xiong F, Dai X, Qin Y. Dose-response relationships of resistance training in Type 2 diabetes mellitus: a meta-analysis of randomized controlled trials. Front Endocrinol (Lausanne) 2023; 14:1224161. [PMID: 37818093 PMCID: PMC10561623 DOI: 10.3389/fendo.2023.1224161] [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] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 08/28/2023] [Indexed: 10/12/2023] Open
Abstract
Background Globally, type 2 diabetes mellitus (T2DM) accounts for approximately 90% of diabetes cases. Resistance training (RT) is frequently employed to diminish Glycated Hemoglobin (HbA1c) and Fast Blood Glucose (FBG) levels in T2DM patients. Yet, the specific dose-response relationships between RT variables such as training duration, frequency, and intensity for T2DM remain under-researched. Objectives This meta-analysis aimed to elucidate the overarching effects of RT on HbA1c and FBG metrics and to provide dose-response relationships of RT variables. This was achieved by examining randomized controlled trials (RCTs) that reported reductions in HbA1c and FBG among T2DM patients. Methods Comprehensive literature searches were conducted up to 25th February 2023 across databases including EMBASE, Pubmed, Cochrane, CENTRAL, Web of Science, CNKI, Wanfang Data, VIP Database for Chinese Technical Periodicals, and the Chinese Biomedical Database. The Physical Therapy Evidence Database (PEDro) was leveraged to appraise the quality of selected studies based on predefined inclusion and exclusion criteria. The meta-analysis was conducted using Stata 16. Results 26 studies that include 1336 participants met the criteria for inclusion. RT significantly reduced HbA1c and FBG levels in comparison to control groups (P<0.05). Meta-regression analyses revealed that the number of repetitions per set (p=0.034) was a significant predictor of RT's efficacy on HbA1c. Subgroup analyses indicated that the most pronounced reductions in HbA1c and FBG occurred with a training duration of 12-16 weeks, intensities of 70-80% of 1 RM, training frequencies of 2-3 times per week, 3 sets per session, 8-10 repetitions per set, and less than a 60-second rest interval. Conclusion The beneficial impact of RT on HbA1c and FBG in T2DM patients is affirmed by this systematic review and meta-analysis. Moreover, the critical training parameters identified in this study are pivotal in enhancing HbA1c and FBG reductions, providing a reference for clinical staff to formulate RT exercise regiments for T2DM patients. Systematic review registration https://www.crd.york.ac.uk/prospero, identifier CRD42023414616.
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Affiliation(s)
- Wanying Su
- Joint Surgery and Sport Medicine Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Meiyi Tao
- Nursing Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Lin Ma
- Endocrinology Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Ke Tang
- Nursing Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Fang Xiong
- Endocrinology Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Xuan Dai
- Nursing Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
| | - Yuelan Qin
- Nursing Department, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, China
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Tang K, Zhu L, Lan P, Chen Y, Chen Z, Lan Y, Lan W. Regulating the thickness of nanofiltration membranes for efficient water purification. Nanoscale Adv 2023; 5:4770-4781. [PMID: 37705770 PMCID: PMC10496893 DOI: 10.1039/d3na00110e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 08/02/2023] [Indexed: 09/15/2023]
Abstract
Fabrication of an organic polymer nanofiltration membrane with both high water permeability and high salt rejection is still a big challenge. Herein, phytic acid (PhA)-modified graphene oxide (GO) was used as the membrane thickness modifier, which was introduced into the thin-film nanoparticle composite (TFN) membrane via in situ interfacial polymerization (IP) on a porous substrate. The water flux of the optimally tuned TFN-GP-0.2 composite membrane is 48.9 L m-2 h-1, which is 1.3 times that of the pristine thin-film composite (TFC) nanofiltration membrane (37.9 L m-2 h-1) (GP represents the PhA modified GO composite). The rejection rate of 2000 ppm MgSO4 for TFN-GP-0.2 membranes was maintained at 97.5%. The increased water flux of the TFN-GP composite membrane compared to that of the TFN nanofiltration membrane was mainly attributed to enhanced hydrophilicity and reduced thickness of the polyamide (PA) layer. Molecular dynamics (MD) simulations confirm that the diffusion rate of amine monomers is reduced by the presence of a GP complex in the IP process, which facilitates the formation of PA layer with thinner thickness. In addition, the TFN-GP-0.2 composite membrane also showed good long-term stability; after 12 h of continuous operation, the water flux only decreased by 0.1%. This study sheds new light on the development of GO-based nanofiltration for potential implementation, as well as a unique concept for manufacturing high-performance nanofiltration membranes.
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Affiliation(s)
- Ke Tang
- Xiamen University Center for Membrane Application and Advancement, College of Materials, Xiamen University Xiamen 361005 Fujian China
| | - LinSheng Zhu
- Xiamen University Center for Membrane Application and Advancement, College of Materials, Xiamen University Xiamen 361005 Fujian China
| | - Piao Lan
- Xiamen University Center for Membrane Application and Advancement, College of Materials, Xiamen University Xiamen 361005 Fujian China
| | - YunQiang Chen
- Suntar Membrane Technology (Xiamen) Co., Ltd. Xiamen 361022 Fujian China
| | - Zhou Chen
- Xiamen University Center for Membrane Application and Advancement, College of Materials, Xiamen University Xiamen 361005 Fujian China
| | - Yihong Lan
- Suntar Membrane Technology (Xiamen) Co., Ltd. Xiamen 361022 Fujian China
| | - WeiGuang Lan
- Xiamen University Center for Membrane Application and Advancement, College of Materials, Xiamen University Xiamen 361005 Fujian China
- Suntar Membrane Technology (Xiamen) Co., Ltd. Xiamen 361022 Fujian China
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Tang K, Lu XZ, Bi HS. [The progress of clinical research and treatment of monocular elevation deficiency]. Zhonghua Yan Ke Za Zhi 2023; 59:764-769. [PMID: 37670662 DOI: 10.3760/cma.j.cn112142-20221102-00558] [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] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Monocular elevation deficiency (MED) is a functional defect in upward eye movement caused by paralysis, restriction, or a combination of factors. The affected eye experiences limited movement in the upward, nasal, and temporal directions, often accompanied by downward deviation and ptosis. Previously known as double elevator palsy (DEP), MED can result from muscle paralysis responsible for upward movement, restriction of the inferior rectus muscle, or lesions in the supranuclear pathway. The Knapp procedure was once the most commonly used surgical approach for MED. However, in cases involving restriction of the inferior rectus muscle, a staged approach combining inferior rectus muscle weakening and subsequent Knapp procedure is necessary to avoid anterior segment ischemia. This has led to the development of alternative surgical techniques, such as single-rectus muscle transposition, partial tendon transposition, and muscle belly transposition. Differentiating MED subtypes based on the underlying paralysis or restriction etiology is crucial for determining the appropriate surgical plan. This review article summarizes the clinical features, classification, and available surgical options for MED, aiming to provide valuable insights for clinical research and treatment.
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Affiliation(s)
- K Tang
- Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Shandong Engineering Technology Research Center of Visual Intelligence, Shandong Provincial Key Laboratory of Integrative Medicine for Prevention and Therapy of Ocular Disease, Jinan 250002, China
| | - X Z Lu
- Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Shandong Engineering Technology Research Center of Visual Intelligence, Shandong Provincial Key Laboratory of Integrative Medicine for Prevention and Therapy of Ocular Disease, Jinan 250002, China
| | - H S Bi
- Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Shandong Engineering Technology Research Center of Visual Intelligence, Shandong Provincial Key Laboratory of Integrative Medicine for Prevention and Therapy of Ocular Disease, Jinan 250002, China
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Li F, Zhang D, Chen J, Tang K, Li X, Hou Z. Research hotspots and trends of brain-computer interface technology in stroke: a bibliometric study and visualization analysis. Front Neurosci 2023; 17:1243151. [PMID: 37732305 PMCID: PMC10507647 DOI: 10.3389/fnins.2023.1243151] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/14/2023] [Indexed: 09/22/2023] Open
Abstract
Background The incidence and mortality rates of stroke are escalating due to the growing aging population, which presents a significant hazard to human health. In the realm of stroke, brain-computer interface (BCI) technology has gained considerable attention as a means to enhance treatment efficacy and improve quality of life. Consequently, a bibliometric visualization analysis was performed to investigate the research hotspots and trends of BCI technology in stroke, with the objective of furnishing reference and guidance for future research. Methods This study utilized the Science Citation Index Expanded (SCI-Expanded) within the Web of Science Core Collection (WoSCC) database as the data source, selecting relevant literature published between 2013 and 2022 as research sample. Through the application of VOSviewer 1.6.19 and CiteSpace 6.2.R2 visualization analysis software, as well as the bibliometric online analysis platform, the scientific knowledge maps were constructed and subjected to visualization display, and statistical analysis. Results This study encompasses a total of 693 relevant literature, which were published by 2,556 scholars from 975 institutions across 53 countries/regions and have been collected by 185 journals. In the past decade, BCI technology in stroke research has exhibited an upward trend in both annual publications and citations. China and the United States are high productivity countries, while the University of Tubingen stands out as the most contributing institution. Birbaumer N and Pfurtscheller G are the authors with the highest publication and citation frequency in this field, respectively. Frontiers in Neuroscience has published the most literature, while Journal of Neural Engineering has the highest citation frequency. The research hotspots in this field cover keywords such as stroke, BCI, rehabilitation, motor imagery (MI), motor recovery, electroencephalogram (EEG), neurorehabilitation, neural plasticity, task analysis, functional electrical stimulation (FES), motor impairment, feature extraction, and induced movement therapy, which to a certain extent reflect the development trend and frontier research direction of this field. Conclusion This study comprehensively and visually presents the extensive and in-depth literature resources of BCI technology in stroke research in the form of knowledge maps, which facilitates scholars to gain a more convenient understanding of the development and prospects in this field, thereby promoting further research work.
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Affiliation(s)
- Fangcun Li
- Department of Rehabilitation Medicine, Guilin Municipal Hospital of Traditional Chinese Medicine, Guilin, China
- Graduate School, Guangxi University of Chinese Medicine, Nanning, China
| | - Ding Zhang
- Graduate School, Guangxi University of Chinese Medicine, Nanning, China
| | - Jie Chen
- Department of Pharmacy, Guilin Municipal Hospital of Traditional Chinese Medicine, Guilin, China
| | - Ke Tang
- Graduate School, Guangxi University of Chinese Medicine, Nanning, China
| | - Xiaomei Li
- Graduate School, Guangxi University of Chinese Medicine, Nanning, China
| | - Zhaomeng Hou
- Graduate School, Guangxi University of Chinese Medicine, Nanning, China
- Department of Orthopedics and Traumatology, Yancheng TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, China
- Department of Orthopedics and Traumatology, Yancheng TCM Hospital, Yancheng, China
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Liu X, He R, Sun H, Liu D, Yuan H, Tang K. Energy focusability of spatial incoherent beam combining for pulse laser propagation in marine atmosphere. Opt Express 2023; 31:28515-28540. [PMID: 37710904 DOI: 10.1364/oe.497441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 07/25/2023] [Indexed: 09/16/2023]
Abstract
In this study, we have deduced the generalized scintillation index of the plane wave and plane wave structure function based on the modified non-Kolmogorov power spectrum of atmospheric refractive index with the spectrum power index α. In addition, we have analyzed the fluctuation of atmospheric density due to thermal blooming. Based on the interaction of six beams in thermal blooming, the thermal phase screening and intensity distribution are simulated. Under the influence of atmospheric turbulence and thermal blooming, the six-beam combination is then simulated numerically to obtain the equivalent radius with long exposure (RL), power in the bucket (PIB), Strehl ratio (SR), and peak value of intensity (Ip). Results show that PIB, Ip, and SR of the pulse beam combination decrease with an increase in α; however, RL operates in reverse mode and the short pulse durations reduce the thermal blooming. Moreover, laser of short duration cannot generate high ring energy on the target.
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Yuan X, Zhou J, Zhang B, Shen C, Yu L, Gong C, Xu Y, Tang K. Identification, quantitation and organoleptic contributions of furan compounds in brandy. Food Chem 2023; 412:135543. [PMID: 36724717 DOI: 10.1016/j.foodchem.2023.135543] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/24/2023]
Abstract
Furan compounds actively contribute to the characteristics of brandy. Herein, we have attempted to identify and quantify the furan compounds present in brandy using three different extraction methods combined with comprehensive two-dimensional gas chromatography and time-of-flight mass spectrometry. Threshold determination and omission experiments were carried out to verify their organoleptic contribution. Liquid-liquid extraction using dichloromethane was found to be the optimal extraction method. A total of 21 furan compounds were identified, in which 5 were detected in brandy for the first time. Our quantitative results showed a positive correlation between the furan compound content and the aging time. Among them, ethyl 5-oxotetrahydro-2-furancarboxylate exhibited a very high odor activity value (1.64 < OAV < 179.53) and smoky aroma. Omission tests showed that the three furan compounds with an OAV > 1 made a significant difference to brandy. These findings bring a new perspective to the sensory and chemical characteristics of brandy.
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Affiliation(s)
- Xiaomeng Yuan
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China
| | - Junmeng Zhou
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China
| | - Baochun Zhang
- ChangYu Group Company Ltd., Yantai, Shandong 264000, PR China
| | - Chunhua Shen
- ChangYu Group Company Ltd., Yantai, Shandong 264000, PR China
| | - Lina Yu
- ChangYu Group Company Ltd., Yantai, Shandong 264000, PR China
| | - Chuanbin Gong
- ChangYu Group Company Ltd., Yantai, Shandong 264000, PR China
| | - Yan Xu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China
| | - Ke Tang
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China.
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Shan S, Cao J, Tang K, Cheng S, Ren Z, Li S, Sun W, Hou L, Yi Q, Chen D, Song P. Self-rated health, interviewer-rated health, and objective health, their changes and trajectories over time, and the risk of mortality in Chinese adults. Front Public Health 2023; 11:1137527. [PMID: 37408749 PMCID: PMC10318337 DOI: 10.3389/fpubh.2023.1137527] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/23/2023] [Indexed: 07/07/2023] Open
Abstract
Background Self-rated health (SRH), interviewer-rated health (IRH), and objective health reflect the overall health status from different aspects. This study aimed to investigate the associations of SRH, IRH, and objective health with mortality among Chinese older adults. Methods This study used data from the 2008 (baseline), 2011, 2014 and 2018 waves of the Chinese Longitudinal Healthy Longevity Survey. SRH and IRH were evaluated by questionnaire. Objective health was evaluated by the Chinese multimorbidity-weighted index (CMWI), which incorporated 14 diagnosed chronic diseases. SRH, IRH, and CMWI were assessed as: (1) baseline levels; (2) longitudinal changes by subtracting the values obtained in 2008 from the corresponding values in 2014; (3) trajectories by Group-Based Trajectory Modeling, respectively. The Cox proportional hazards model was used to explore the associations of baseline SRH, IRH, and CMWI, their changes, and trajectories with mortality. Results A total of 13,800 participants were included at baseline (2008). The baseline SRH ([hazard ratio] 0.93, [95% confidence interval] 0.91-0.96), IRH (0.84, 0.81-0.87), and CMWI (0.99, 0.98-1.00) in 2008 were significantly associated with 10-year mortality (2008 to 2018). Among 3,610 participants, the changes of SRH (0.93, 0.87-0.98), IRH (0.77, 0.71-0.83), and CMWI (0.97, 0.95-0.99) from 2008 to 2014 were significantly associated with 4-year mortality (2014-2018). The trajectories were divided into "high SRH/IRH/CMWI" and "low and declining SRH/IRH/CMWI." Compared with "low and declining SRH/IRH/CMWI," "high SRH" (0.58, 0.48-0.70), "high IRH" (0.66, 0.55-0.80), and "high CMWI" (0.74, 0.61-0.89) from 2008 to 2014 were significantly associated with 4-year mortality (2014-2018). Conclusion Baseline SRH, IRH, and CMWI, their changes and trajectories are all associated with mortality in Chinese older adults. It is possibly necessary to promote the use of cost-effective indicators in primary medical institutions to improve the health management of the older adults.
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Affiliation(s)
- Shiyi Shan
- School of Public Health and Women’s Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jin Cao
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Ke Tang
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Siqing Cheng
- Department of Orthopedic Surgery, The Forth Affiliated Hospital, International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Ziyang Ren
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Shuting Li
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Weidi Sun
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Leying Hou
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Qian Yi
- School of Public Health, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Dingwan Chen
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Peige Song
- School of Public Health and Women’s Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
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Chockalingam Jnr R, Tang K, Chew K, Abdul Aziz Z, Loh J, Chao V, Tan T, Kerk K, Teo L, Sim D, Sivathasan C. A Retrospective Analysis of Concomitant Alfieri Stitch Mitral Valve Repair in Patients Undergoing Left Ventricular Assist Device Implantation. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Li H, Zhang X, Gao X, Shi X, Chen S, Xu Y, Tang K. Comparison of the Aroma-Active Compounds and Sensory Characteristics of Different Grades of Light-Flavor Baijiu. Foods 2023; 12:foods12061238. [PMID: 36981164 PMCID: PMC10048497 DOI: 10.3390/foods12061238] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/11/2023] [Accepted: 03/12/2023] [Indexed: 03/17/2023] Open
Abstract
This study comprehensively characterized and compared the aroma differences between four different grades of Fenjiu (FJ, the most representative light-flavor Baijiu). Aroma-active compounds were analyzed by liquid-liquid extraction (LLE) coupled with gas chromatography-olfactometry-mass spectrometry (GC-O-MS). A total of 88 aroma-active compounds were identified, and 70 of them were quantified. The results showed that a majority of aroma compounds in high-grade FJ had higher aroma intensities and concentrations. Among these compounds, there were 28 compounds with odor activity values (OAVs) greater than one in all four wines, which indicated that they might contribute to the characteristic aroma of FJ. Temporal dominance of sensation (TDS) and quantitative descriptive analysis (QDA) were used to characterize the sensory differences. The results suggested that high-grade FJ had a rich, pleasant and lasting retronasal aroma perception and exhibited pleasant orthonasal aroma of floral, fruity, sweet and grassy. Partial least squares regression (PLSR) analysis effectively distinguished four kinds of FJ and revealed associations between the orthonasal aroma attributes and the aroma compounds with OAVs >1. There were 15 compounds with variable importance in projection (VIP) values >1, and they were considered potential aroma markers for quality prediction.
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Affiliation(s)
- Huanhuan Li
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Xin Zhang
- Shanxi Xinghuacun Fenjiu Distillery Co., Ltd., Fenyang 032205, China
- Shanxi Provincial Key Laboratory for Chinese Lujiu Plant Extraction and Health, Fenyang 032205, China
| | - Xiaojuan Gao
- Shanxi Xinghuacun Fenjiu Distillery Co., Ltd., Fenyang 032205, China
- Shanxi Provincial Key Laboratory for Chinese Lujiu Plant Extraction and Health, Fenyang 032205, China
| | - Xiaoxuan Shi
- Shanxi Xinghuacun Fenjiu Distillery Co., Ltd., Fenyang 032205, China
| | - Shuang Chen
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Yan Xu
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Ke Tang
- Lab of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
- Correspondence:
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Zhang Z, Chen K, Tang K, Duan Y. Fast Multi-grid Methods for Minimizing Curvature Energies. IEEE Trans Image Process 2023; PP:1716-1731. [PMID: 37028053 DOI: 10.1109/tip.2023.3251024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
The geometric high-order regularization methods such as mean curvature and Gaussian curvature, have been intensively studied during the last decades due to their abilities in preserving geometric properties including image edges, corners, and contrast. However, the dilemma between restoration quality and computational efficiency is an essential roadblock for high-order methods. In this paper, we propose fast multi-grid algorithms for minimizing both mean curvature and Gaussian curvature energy functionals without sacrificing accuracy for efficiency. Unlike the existing approaches based on operator splitting and the Augmented Lagrangian method (ALM), no artificial parameters are introduced in our formulation, which guarantees the robustness of the proposed algorithm. Meanwhile, we adopt the domain decomposition method to promote parallel computing and use the fine-to-coarse structure to accelerate convergence. Numerical experiments are presented on image denoising, CT, and MRI reconstruction problems to demonstrate the superiority of our method in preserving geometric structures and fine details. The proposed method is also shown effective in dealing with large-scale image processing problems by recovering an image of size 1024×1024 within 40s, while the ALM method [1] requires around 200s.
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Lu S, Cui Q, Zheng H, Ma Y, Kang Y, Tang K. Challenges and Opportunities for Extracellular Vesicles in Clinical Oncology Therapy. Bioengineering (Basel) 2023; 10:bioengineering10030325. [PMID: 36978715 PMCID: PMC10045216 DOI: 10.3390/bioengineering10030325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 03/08/2023] Open
Abstract
Extracellular vesicles (EVs) are membrane-bound vesicles that can be released by all cell types. They may have different biogenesis, physical features, and cargo. EVs are important biomarkers for the diagnosis and prediction of many diseases due to their essential role in intercellular communication, their highly variable cargoes, and their accumulation in various body fluids. These natural particles have been investigated as potential therapeutic materials for many diseases. In our previous studies, the clinical usage of tumor-cell-derived microparticles (T-MPs) as a novel medication delivery system was examined. This review summarizes the clinical translation of EVs and related clinical trials, aiming to provide suggestions for safer and more effective oncology therapeutic systems, particularly in biotherapeutic and immunotherapeutic systems.
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Affiliation(s)
- Shuya Lu
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qingfa Cui
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Huan Zheng
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuan Ma
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yanchun Kang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Cell Architecture Research Center, Huazhong University of Science and Technology, Wuhan 430030, China
- Correspondence:
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Jiang LP, Zhu T, Tang K, Wu Y, Fu M, Ji JZ, Mi QY, Ge PX, Zhao XH, Tai T, Xie HG. Enhanced metabolic activation of and platelet response to clopidogrel in T cell-deficient mice through induction of Cyp2c and Cyp3a and inhibition of Ces1. J Thromb Haemost 2023; 21:1322-1335. [PMID: 36738827 DOI: 10.1016/j.jtha.2023.01.028] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 12/15/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND T cells and platelets reciprocally coordinate mutual functions through crosstalk or interaction. However, it is not known whether metabolic activation of and platelet response to clopidogrel could be changed if T cells were deficient or impaired in some cases and, if any, how it would work. OBJECTIVES The objective of this study was to dissect the potential changes in platelet responses to and metabolic activation of clopidogrel in the case of T cell deficiency and to elucidate their mechanisms involved. METHODS BALB/c athymic nude mice or euthymic mice (controls) pretreated with cyclosporine A (CsA), thymosin α1 (Tα1), or their combination were used to investigate the changes in ADP-induced platelet activation and aggregation, systemic exposure of clopidogrel and its metabolites, and mRNA/protein expression and activity levels of clopidogrel-metabolizing enzymes in the liver, respectively. RESULTS Nude mice exhibited significantly enhanced antiplatelet effects of clopidogrel due to increased formation of clopidogrel active metabolite in the liver, where the enzyme activity levels of Cyp2c and Cyp3a were significantly elevated compared with control mice. Furthermore, the effects of CsA pretreatment on the metabolism of clopidogrel in euthymic mice were identical to those seen in athymic mice. As expected, concomitant use of Tα1 reversed all the observed effects of CsA on clopidogrel metabolism and relevant metabolic enzymes. CONCLUSIONS T cell deficiency or suppression enhances the antiplatelet effects of clopidogrel due to the boosted metabolic activation of clopidogrel in the liver through a dramatic induction of Cyp2c and Cyp3a in mice, suggesting that the metabolism of substrate drugs of Cyp2c and Cyp3a may be enhanced by T cell impairment.
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Affiliation(s)
- Li-Ping Jiang
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ting Zhu
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ke Tang
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yu Wu
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Min Fu
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jin-Zi Ji
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Qiong-Yu Mi
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Peng-Xin Ge
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiang-Hong Zhao
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ting Tai
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Hong-Guang Xie
- Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, China Pharmaceutical University, Nanjing, China; Division of Clinical Pharmacology, General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of Clinical Pharmacy, Nanjing Medical University School of Pharmacy, Nanjing, China.
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Dai Z, Liu S, Li Q, Tang K. Saliency Attack: Towards Imperceptible Black-box Adversarial Attack. ACM T INTEL SYST TEC 2023. [DOI: 10.1145/3582563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Deep neural networks are vulnerable to adversarial examples, even in the black-box setting where the attacker is only accessible to the model output. Recent studies have devised effective black-box attacks with high query efficiency. However, such performance is often accompanied by compromises in attack imperceptibility, hindering the practical use of these approaches. In this paper, we propose to restrict the perturbations to a small
salient
region to generate adversarial examples that can hardly be perceived. This approach is readily compatible with many existing black-box attacks and can significantly improve their imperceptibility with little degradation in attack success rate. Further, we propose the Saliency Attack, a new black-box attack aiming to refine the perturbations in the salient region to achieve even better imperceptibility. Extensive experiments show that compared to the state-of-the-art black-box attacks, our approach achieves much better imperceptibility scores, including most apparent distortion (MAD),
L
0
and
L
2
distances, and also obtains significantly better true success rate and effective query number judged by a human-like threshold on MAD. Importantly, the perturbations generated by our approach are interpretable to some extent. Finally, it is also demonstrated to be robust to different detection-based defenses.
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Affiliation(s)
- Zeyu Dai
- Research Institute of Trustworthy Autonomous Systems Southern University of Science and Technology, China and The Hong Kong Polytechnic University, China
| | - Shengcai Liu
- Department of Computer Science and Engineering Southern University of Science and Technology, China
| | - Qing Li
- Department of Computing The Hong Kong Polytechnic University, China
| | - Ke Tang
- Research Institute of Trustworthy Autonomous Systems Southern University of Science and Technology, China
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Lv J, Zhou Y, Zhou N, Wang Z, Chen J, Chen H, Wang D, Zhou L, Wei K, Zhang H, Tang K, Ma J, Liu Y, Wan Y, Zhang Y, Zhang H, Huang B. Epigenetic modification of CSDE1 locus dictates immune recognition of nascent tumorigenic cells. Sci Transl Med 2023; 15:eabq6024. [PMID: 36724242 DOI: 10.1126/scitranslmed.abq6024] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Weak immunogenicity of tumor cells is a root cause for the ultimate failure of immunosurveillance and immunotherapy. Although tumor evolution can be shaped by immunoediting toward a less immunogenic phenotype, mechanisms governing the initial immunogenicity of primordial tumor cells or original cancer stem cells remain obscure. Here, using a single tumor-repopulating cell (TRC) to form tumors in immunodeficient or immunocompetent mice, we demonstrated that immunogenic heterogeneity is an inherent trait of tumorigenic cells defined by the activation status of signal transducer and activator of transcription 1 (STAT1) protein in the absence of immune pressure. Subsequent investigation identified that the RNA binding protein cold shock domain-containing protein E1 (CSDE1) can promote STAT1 dephosphorylation by stabilizing T cell protein tyrosine phosphatase (TCPTP). A methyltransferase SET and MYN domain-containing 3 (SMYD3) was further identified to mediate H3K4 trimethylation of CSDE1 locus, which was under the regulation of mechanotransduction by cell-matrix and cell-cell contacts. Thus, owing to the differential epigenetic modification and subsequent differential expression of CSDE1, nascent tumorigenic cells may exhibit either a high or low immunogenicity. This identified SMYD3-CSDE1 pathway represents a potential prognostic marker for cancer immunotherapy effectiveness that requires further investigation.
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Affiliation(s)
- Jiadi Lv
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Yabo Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Nannan Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Zhenfeng Wang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Jie Chen
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Haoran Chen
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Dianheng Wang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Li Zhou
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Keke Wei
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Huafeng Zhang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jingwei Ma
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuying Liu
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China
| | - Yonghong Wan
- McMaster Immunology Research Centre and Department of Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Yi Zhang
- Biotherapy Center and Cancer Center, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Haizeng Zhang
- Department of Medical Oncology, National Cancer Center, Cancer Hospital, CAMS and Peking Union Medical College, Beijing 100021, China
| | - Bo Huang
- Department of Immunology and National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College, Beijing 100005, China.,Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Tang K, Zhang N, Yuan X, Qian Z, Li Y, Feng X. Conservation of pyramidal tract in radiosurgery for brain metastases of lung adenocarcinoma: Three-dimensional analysis of biologically effective dose. Radiother Oncol 2023; 179:109451. [PMID: 36586589 DOI: 10.1016/j.radonc.2022.109451] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 12/13/2022] [Accepted: 12/16/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND Gamma knife surgery (GKS) for brain metastases (BMs) adjacent to the pyramidal tract (PT) is still a challenge to conduct. PT visualization and biologically effective dose (BED) calculation on a voxel-by-voxel basis may provide data to establish clinically safe values. We aimed to assess the relationship of parameters extracted from the BED-volume histogram with outcomes of PT after GKS-treating target (adjacent BM of lung adenocarcinoma). METHODS We formed BED-volume histograms for 672 BMs in a retrospective cohort, using 3-dimensional (3D) coordinate values of PT, target, and each iso-centre to calculate the 3D BED distribution in a 200 × 200 × 200 matrix. PT conservation failure (PTCF) was judged clinically and radiologically and classified as lesion progression and radionecrosis. Cox proportional hazards models were used to analyse 3D BED parameters. Internal validation of models was performed by bootstrapping. RESULTS There were 116 (17.3 %) subjects with PTCF in the cohort, of which 74 (11.0 %) and 42 (6.3 %) were caused by lesion progression and radionecrosis, respectively. Multivariate analysis showed that DLesion_min BED and DLesion_90% BED significantly predicted lesion progression (P <.001). DPT_Max BED and VPT_ BED40 significantly predicted radionecrosis (P <.001). The model predicting PTCF showed fair discrimination and calibration of DLesion_min BED + DLesion_90% BED and DPT_Max BED + VPT_ BED40. CONCLUSIONS The conservation of PT in GKS for BMs of lung adenocarcinoma depends on the combination of PT-tolerated BED and target effective control BED. Therefore, a BED-volume histogram with a 3D BED algorithm is proposed to assess plan quality.
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Affiliation(s)
- Ke Tang
- Department of Neurosurgery, Chinese PLA General Hospital, 28 Fuxing Road, Beijing, PR China.
| | - Nan Zhang
- Department of Neurosurgery, Huashan Hospital, Fudan University, 12 Wulumuqi (middle) Road, Shanghai, PR China
| | - Xiaodong Yuan
- Department of Radiology, The Eighth Medical Center of Chinese PLA General Hospital, 17 Heishanhu Road, Beijing, PR China
| | - Zenghui Qian
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 119 Fanyang Road, Fengtai District, Beijing, PR China
| | - Yang Li
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Road, Beijing, PR China
| | - Xu Feng
- Department of Basic Medicine, Xiamen Medical College, 1999 Guankouzhong Road, Xiamen, Fujian Province, PR China
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Wei K, Zhang H, Yang S, Cui Y, Zhang B, Liu J, Tang L, Tan Y, Liu S, Chen S, Yuan W, Luo X, Chen C, Li F, Liu J, Chen J, Xu P, Lv J, Tang K, Zhang Y, Ma J, Huang B. Chemo-drugs in cell microparticles reset antitumor activity of macrophages by activating lysosomal P450 and nuclear hnRNPA2B1. Signal Transduct Target Ther 2023; 8:22. [PMID: 36658134 PMCID: PMC9852455 DOI: 10.1038/s41392-022-01212-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/01/2022] [Accepted: 09/28/2022] [Indexed: 01/21/2023] Open
Abstract
Macrophages in tumors (tumor-associated macrophages, TAMs), a major population within most tumors, play key homeostatic functions by stimulating angiogenesis, enhancing tumor cell growth, and suppressing antitumor immunity. Resetting TAMs by simple, efficacious and safe approach(s) is highly desirable to enhance antitumor immunity and attenuate tumor cell malignancy. Previously, we used tumor cell-derived microparticles to package chemotherapeutic drugs (drug-MPs), which resulted in a significant treatment outcome in human malignant pleural effusions via neutrophil recruitments, implicating that drug-MPs might reset TAMs, considering the inhibitory effects of M2 macrophages on neutrophil recruitment and activation. Here, we show that drug-MPs can function as an antitumor immunomodulator by resetting TAMs with M1 phenotype and IFN-β release. Mechanistically, drug molecules in tumor MPs activate macrophage lysosomal P450 monooxygenases, resulting in superoxide anion formation, which further amplifies lysosomal ROS production and pH value by activating lysosomal NOX2. Consequently, lysosomal Ca2+ signaling is activated, thus polarizing macrophages towards M1. Meanwhile, the drug molecules are delivered from lysosomes into the nucleus where they activate DNA sensor hnRNPA2B1 for IFN-β production. This lysosomal-nuclear machinery fully arouses the antitumor activity of macrophages by targeting both lysosomal pH and the nuclear innate immunity. These findings highlight that drug-MPs can act as a new immunotherapeutic approach by revitalizing antitumor activity of macrophages. This mechanistic elucidation can be translated to treat malignant ascites by drug-MPs combined with PD-1 blockade.
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Affiliation(s)
- Keke Wei
- grid.33199.310000 0004 0368 7223Department of Immunology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Huafeng Zhang
- grid.33199.310000 0004 0368 7223Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Shuaishuai Yang
- grid.33199.310000 0004 0368 7223Department of Immunology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Yuxiao Cui
- grid.33199.310000 0004 0368 7223Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Bingxia Zhang
- grid.33199.310000 0004 0368 7223Cardiovascular Surgery, Union Hospital, Huazhong University of Science & Technology, Wuhan, 430071 China
| | - Jincheng Liu
- grid.33199.310000 0004 0368 7223Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Liang Tang
- grid.33199.310000 0004 0368 7223Department of Immunology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Yaoyao Tan
- grid.33199.310000 0004 0368 7223Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Simin Liu
- grid.33199.310000 0004 0368 7223Department of Immunology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Shiqi Chen
- grid.33199.310000 0004 0368 7223Cardiovascular Surgery, Union Hospital, Huazhong University of Science & Technology, Wuhan, 430071 China
| | - Wu Yuan
- grid.33199.310000 0004 0368 7223Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Xiao Luo
- grid.33199.310000 0004 0368 7223Department of Pathology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Chen Chen
- grid.33199.310000 0004 0368 7223Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Fei Li
- grid.33199.310000 0004 0368 7223Department of Immunology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Junwei Liu
- grid.33199.310000 0004 0368 7223Cardiovascular Surgery, Union Hospital, Huazhong University of Science & Technology, Wuhan, 430071 China
| | - Jie Chen
- grid.506261.60000 0001 0706 7839Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, 100005 China
| | - Pingwei Xu
- grid.414906.e0000 0004 1808 0918Translational Medicine Laboratory, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035 China
| | - Jiadi Lv
- grid.506261.60000 0001 0706 7839Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, 100005 China
| | - Ke Tang
- grid.33199.310000 0004 0368 7223Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030 China
| | - Yi Zhang
- grid.412633.10000 0004 1799 0733Biotherapy Center and Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 China
| | - Jingwei Ma
- Department of Immunology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030, China.
| | - Bo Huang
- Department of Biochemistry & Molecular Biology, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, 430030, China. .,Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, 100005, China.
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Chen S, Xin Y, Tang K, Wu Y, Guo Y. Nardosinone and aurantio-obtusin, two medicine food homology natural compounds, are anti-influenza agents as indicated by transcriptome signature reversion. Phytomedicine 2023; 108:154515. [PMID: 36347176 DOI: 10.1016/j.phymed.2022.154515] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/06/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Medicine food homology (MFH) refers to food that can be used as medicine, and compounds isolated from MFH materials are valuable in novel drug discovery due to their good safety. Transcriptome signature reversion (TSR) is an attractive method for discovering drugs through transcriptional reverse matching; namely, the changes in transcriptional signatures induced by compounds are matched to a certain disease. This strategy can be used to discover anti-influenza agents among MFH natural compounds. PURPOSE MFH natural compounds with anti-influenza activities were identified through analyses of the reversal in the expression of multiple informative genes followed by in vitro evaluation of the cytopathic effect (CPE) caused by influenza infection and relative quantification of the nucleoprotein (NP) gene in viral RNA (vRNA). The combined effect of active compounds was determined through network-based separation score prediction followed by quantification of the viral hemagglutinin (HA) level. METHODS The transcriptome profiles of 4 lung or airway cell lines infected with 7 influenza virus strains were analyzed by robust rank aggregation (RRA) to identify informative genes in the signature of influenza virus infection. The identified informative genes were then matched to a transcriptomic profile library of MFH natural compounds. The anti-influenza activities of MFH natural compounds with negative enrichment scores (ESs) were evaluated in vitro using a CPE assay and relative quantification of the NP gene in the vRNA in the supernatant and cytoplasm to identify anti-influenza agents. The effects of combinations of active compounds were analyzed using network-based calculations followed by confirmation through bioassays for quantifying the viral HA levels. RESULTS Among the 159 MFH natural compounds, 54 compounds had negative ESs, as determined through TSR, and the anti-influenza activities of nardosinone and aurantio-obtusin were confirmed by bioassays. The half-maximal effective concentrations (EC50) of nardosinone and aurantio-obtusin were 4.3-84.4 μM and 31.9-113.6 μM, respectively. The separation score between the informative genes with expression that was negatively regulated by nardosinone and aurantio-obtusin in the human protein-protein interaction (PPI) network was calculated to be 0.10, which indicated that the two compounds potentially exert a synergistic effect, and this effect was confirmed by the finding that the combination indexes (CIs) were calculated to equal 0.86 at inhibition level of 50% and 0.44 at inhibition level of 90%. CONCLUSION The TSR analysis and in vitro evaluation identified nardosinone and aurantio-obtusin as anti-influenza agents. Their antiviral activities were exerted by reversing the expression of multiple informative genes of the host cells. The separation analysis between the informative genes that were reversely regulated by nardosinone and aurantio-obtusin indicated that their combination may exert a synergistic effect, which was confirmed in vitro.
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Affiliation(s)
- Shubing Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China; Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Yijing Xin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China; Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Ke Tang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China; Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - You Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China; Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Ying Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China; Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
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Tian W, Lin M, Tang K, Barse M, Naveed H, Liang J. 3D-BMPP: 3D Beta-Barrel Membrane Protein Predictor. Methods Mol Biol 2023; 2627:321-328. [PMID: 36959455 PMCID: PMC10593542 DOI: 10.1007/978-1-0716-2974-1_17] [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: 03/25/2023]
Abstract
β-barrel membrane proteins (βMPs), found in the outer membrane of gram-negative bacteria, mitochondria, and chloroplasts, play important roles in membrane anchoring, pore formation, and enzyme activities. However, it is often difficult to determine their structures experimentally, and the knowledge of their structures is currently limited. We have developed a method to predict the 3D architectures of βMPs. We can accurately construct transmembrane domains of βMPs by predicting their strand registers, from which full 3D atomic structures are derived. Using 3D Beta-barrel Membrane Protein Predictor (3D-BMPP), we can further accurately model the extended beta barrels and loops in non-TM regions with overall greater structure prediction coverage. 3DBMPP is a general technique that can be applied to protein families with limited sequences as well as proteins with novel folds. Applications of 3DBMPP can be broadly applied to genome-wide βMPs structure prediction.
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Affiliation(s)
- Wei Tian
- Center for Bioinformatics and Quantitative Biology and Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Meishan Lin
- Center for Bioinformatics and Quantitative Biology and Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Ke Tang
- Center for Bioinformatics and Quantitative Biology and Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Manisha Barse
- Center for Bioinformatics and Quantitative Biology and Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Hammad Naveed
- Computational Biology Research Lab and Department of Computing, National University of Computer and Emerging Sciences, Islamabad, Pakistan.
| | - Jie Liang
- Center for Bioinformatics and Quantitative Biology and Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA.
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Tang K, Zhang H, Deng J, Wang D, Liu S, Lu S, Cui Q, Chen C, Liu J, Yang Z, Li Y, Chen J, Lv J, Ma J, Huang B. Ammonia detoxification promotes CD8 + T cell memory development by urea and citrulline cycles. Nat Immunol 2023; 24:162-173. [PMID: 36471170 DOI: 10.1038/s41590-022-01365-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 10/17/2022] [Indexed: 12/12/2022]
Abstract
Amino acid metabolism is essential for cell survival, while the byproduct ammonia is toxic and can injure cellular longevity. Here we show that CD8+ memory T (TM) cells mobilize the carbamoyl phosphate (CP) metabolic pathway to clear ammonia, thus promoting memory development. CD8+ TM cells use β-hydroxybutyrylation to upregulate CP synthetase 1 and trigger the CP metabolic cascade to form arginine in the cytosol. This cytosolic arginine is then translocated into the mitochondria where it is split by arginase 2 to urea and ornithine. Cytosolic arginine is also converted to nitric oxide and citrulline by nitric oxide synthases. Thus, both the urea and citrulline cycles are employed by CD8+ T cells to clear ammonia and enable memory development. This ammonia clearance machinery might be targeted to improve T cell-based cancer immunotherapies.
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Affiliation(s)
- Ke Tang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Cell Architecture Research Center, Huazhong University of Science and Technology, Wuhan, China
| | - Huafeng Zhang
- Department of Pathology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinghui Deng
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dianheng Wang
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Shichuan Liu
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuya Lu
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingfa Cui
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Chen
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jincheng Liu
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuoshun Yang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yonggang Li
- Hubei Provincial Key Laboratory for Applied Toxicology, Hubei Provincial Center for Disease Control and Prevention, Wuhan, China
| | - Jie Chen
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Jiadi Lv
- Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China
| | - Jingwei Ma
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bo Huang
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China. .,Department of Immunology & National Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College, Beijing, China.
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Huang Y, Li J, Wang Q, Tang K, Cai X, Li C. Detection of carbapenem-resistant hypervirulent Klebsiella pneumoniae ST11-K64 co-producing NDM-1 and KPC-2 in a tertiary hospital in Wuhan. J Hosp Infect 2023; 131:70-80. [PMID: 36183928 DOI: 10.1016/j.jhin.2022.09.014] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Carbapenem-resistant hypervirulent Klebsiella pneumoniae (CR-hvKP) poses serious challenges to public health. Only a few sporadic reports of strains co-producing NDM-1 and KPC-2 (NDM-1-KPC-2-CR-hvKP strains) are available to date. OBJECTIVES This retrospective study investigated the clinical features, prevalence and antibiotic resistance of hvKP in a tertiary hospital in central China, and characterized an NDM-1-KPC-2-CR-hvKP strain (KP169). METHODS Clinical data were collected. Antimicrobial and virulence-associated phenotyping and genotyping, capsular serotype gene analysis and multi-locus sequence typing of hvKP isolates were performed. Whole-genome sequencing (WGS) was performed on strain KP169. RESULTS Forty-five of 109 K. pneumoniae clinical isolates were hvKP. Of these, 37 originated from nosocomial infections and 24 expressed carbapenemases. Eight NDM-1-KPC-2-CR-hvKP strains were identified, and enterobacterial repetitive intergenic consensus polymerase chain reaction showed that they were clonally related. WGS revealed that strain KP169, which belongs to ST11-K64, had a single 5.5-Mb chromosome and six plasmids of 5.5-221.6 kb. The blaNDM-1 gene was located on plasmid pKP169-P3, and blaKPC-2, blaSHV-12 and blaTEM-1 were located on IncFII/IncR pKP169-P2. IncHI 1/IncFIB virulence plasmid pKP169-P1 was similar to pKPC-CR-hvKP-C789 plasmid reported previously. Plasmid stability testing showed that blaKPC-2- and blaNDM-1-harbouring plasmids were maintained stably in the host. CONCLUSION To the best of the authors' knowledge, this study identified the largest cohort, to date, of eight NDM-1-KPC-2-CR-hvKP strains, and suggests that antimicrobial stewardship and protocols to prevent transmission are needed urgently.
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Affiliation(s)
- Y Huang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - J Li
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Q Wang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - K Tang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - X Cai
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China.
| | - C Li
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China.
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Tavakoli P, Ledoux AA, Tang K, Robillard R, Richard-Malenfant C, Zemek R. Association between sleep changes and symptom recovery following pediatric concussion. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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