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Ludwigia octovalvis (Jacq.) P.H. Raven extract improves memory performance in mice with chronic kidney disease

Phytomedicine Plus 2024年第2期4卷 100556-100556页

作者： Wang, Hao-Wei Huang, Yi-Hsuan Tung, Hsiao-Jou Lin, Wei-Sheng Chiu, Hao-Chieh Lin, Shuei-Liong Fan, Shou-Zen Wang, Pei-Yu Hsieh Yu Enterprise Co. Ltd. Taipei Taiwan Graduate Institute of Brain and Mind Sciences College of Medicine National Taiwan University Taipei Taiwan Department of Pediatrics Taipei Veterans General Hospital Taipei Taiwan Department of Clinical Laboratory Sciences and Medical Biotechnology College of Medicine National Taiwan University Taipei Taiwan Graduate Institute of Physiology College of Medicine National Taiwan University Taipei Taiwan Department of Anesthesiology National Taiwan University Hospital National Taiwan University Taipei Taiwan Department of Anesthesiology En Chu Kong Hospital Taipei Taiwan Neurobiology and Cognitive Science Center National Taiwan University Taipei Taiwan PhD. Program in Translational Medicine National Taiwan University and Academia Sinica Taipei Taiwan PhD. Program in Medical Neuroscience College of Medical Science and Technology Taipei Medical University Taipei Taiwan

Background: Chronic kidney disease (CKD) is a significant global health concern often accompanied by cognitive impairment in affected patients. Ludwigia octovalvis extract (LOE) is a traditional medicine widely used for various conditions, including renal disease and its associated complications. However, the pharmacological effects and underlying mechanisms of LOE on CKD remain unclear. Methods: Adult male mice underwent a 4-week oral adenine-induced CKD model, followed by daily administration of either a vehicle, losartan, or LOE for 1 to 2 months. A battery of behavioral tests was conducted to examine CKD-associated cognitive impairments. Additionally, RNA sequencing, Golgi staining, and immunohistochemistry were performed to decipher the underlying mechanisms. Results: Neither losartan nor LOE supplementation could reverse adenine-induced kidney damage. However, during behavioral tests, both losartan and LOE treatments improved memory performance in mice without affecting emotional status and general locomotor activity. Transcriptome profiling and histological analyses revealed altered dendritic arborization and increased spine density of dentate granule cells, along with augmented adult hippocampal neurogenesis, contributing to the improved memory performance of mice treated with LOE. Conclusion: Our study provides comprehensive neurobehavioral and molecular evidence supporting the potential use of LOE for future CKD-associated memory dysfunction treatment. © 2024 The Author(s)

关键词： Adenine Cognitive dysfunction Neurogenesis

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Cost-Effective and Selectively Identifying <1 Μm Melamine Pollutants by Photoelectrochemical Properties of Ir-Cu Hybrid Nanosheets

SSRN

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SSRN 2023年

作者： Wu, Hui-Fen Sharma, Nallin Chi, Chia-Hung Dabur, Deepak Tsai, Andrew Chi-Chang Department of Chemistry National Sun Yat-Sen University Kaohsiung 70 Lien-Hai Road Kaohsiung80424 Taiwan School of Pharmacy College of Pharmacy Kaohsiung Medical University Kaohsiung807 Taiwan Institute of Medical Science and Technology National Sun Yat-Sen University Kaohsiung80424 Taiwan International PhD program for Science National Sun Yat-Sen University Kaohsiung80424 Taiwan Jenn Chwanq Enterprise Co. Ltd No. 14 Dazhu road Kaohsiung833 Taiwan

The increasing health hazards of microplastics has raised an alarming scenario worldwide. Microplastic contaminants are present in everywhere around humans, causing unwanted interactions to these pollutants. Strict studies to explore involvement of small size microplastic is need of hour, and highly sensitive probes are required for identification. The present study explores highly sensitive identification of © 2023, The Authors. All rights reserved.

关键词： Binary alloys

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Structure-based design, synthesis and biological evaluation of N-substituted 6H-thiochromeno[2,3–c]quinolin-12(12H)-one as potential breast cancer drugs

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Arabian Journal of Chemistry 2024年第1期17卷

作者： Sumitra, Maryam Rachmawati Chen, Lung-Ching Tsai, Wei-Chen Ansar, Muhamad Lawal, Bashir Mokgautsi, Ntlotlang Guh, Jih-Hwa Wu, Alexander T.H Huang, Hsu-Shan PhD Program for Cancer Molecular Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei11031 Taiwan Graduate Institute of Cancer Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei11031 Taiwan Division of Cardiology Department of Internal Medicine Shin Kong Wu Ho-Su Memorial Hospital Taipei11101 Taiwan School of Medicine Fu Jen Catholic University New Taipei24205 Taiwan School of Pharmacy National Defense Medical Center Taipei11490 Taiwan Clinical Drug Development of Herbal Medicine Taipei Medical University Taipei11031 Taiwan The PhD Program of Translational Medicine College of Science and Technology Taipei Medical University Taipei11031 Taiwan Clinical Research Center Taipei Medical University Hospital Taipei Medical University Taipei11031 Taiwan Graduate Institute of Medical Sciences National Defense Medical Center Taipei11490 Taiwan School of Pharmacy National Taiwan University No. 33 Linsen S. Rd. Zhongzheng Dist. Taipei10025 Taiwan Biotechnology Research and Development College of Pharmacy Taipei Medical University Taipei11031 Taiwan

Tetraheterocyclic compounds, derived from natural sources and contemporary pharmaceuticals, have shown promise as multitarget therapeutic agents. However, their mechanisms of action remain partially understood. In this study, we synthesized a series of 6H-thiochromeno[2,3-c]quinolin-12(12H)-one derivative, totaling 26 compounds, and assessed their potential for therapeutic application. We evaluated their effects on cell proliferation and conducted NCI-60 cell panel assays. MTT assays revealed that select compounds exhibited notable antiproliferative activity against two breast cancer cell lines (MCF-7 and MDA-MB-468). Notably, compounds 17 and 18 displayed the highest cytotoxicity against these cell lines. Furthermore, one-dose assays of the NCI-60 human tumor cell line screening program identified compounds 6, 7, 16, 18, 20, 24, 25, and 30 for further investigation. Subsequent five-dose cytotoxicity studies focused on compounds 18 and 20, which met the threshold inhibition criteria across a panel of cell lines. Our study highlights the effectiveness of compounds 18 and 20 in targeting breast cancer cell lines. Molecular docking simulations revealed that these compounds bind to the active sites of topoisomerase I (TOPO I). Our findings suggest that these novel compounds are promising anticancer agents, particularly against breast cancer, and are worthy of consideration as lead pharmacological candidates. © 2023 The Authors

关键词： Cell proliferation

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Perspectives of Indonesian Muslim patients with advanced lung cancer on good death: A qualitative study

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European Journal of Oncology Nursing 2023年 62卷 102251-102251页

作者： Pribadi, Dimas Ria Angga Shih, Whei-Mei Wu, Guey-Hau Lin, Hung-Ru PhD Program School of Nursing National Taipei University of Nursing and Health Sciences Taipei Taiwan Department of Nursing Muhammadiyah University of Surakarta Jawa Tengah Indonesia Department of Gerontology and Health Care Management Chang Gung University of Science and Technology Taoyuan Taiwan School of Nursing National Taipei University of Nursing and Health Sciences Taipei Taiwan

Purpose: Lung cancer is the leading cause of cancer-related death. Patients with advanced lung cancer may experience burdensome distress at the end of life. The concept of good death has been shown to be complex, and continues to be expanded by gaining a better understanding of the cultural views of different populations. This study aimed to explore the perspective of Indonesian Muslims patients with advanced cancer on the concept of good death. Method: A qualitative design comprising in-depth interviews was employed. Seven male and 3 female Muslim patients between ages 36 and 68 and diagnosed with advanced lung cancer were recruited from a teaching hospital in Central Java, Indonesia. Results: Content analysis of the interviews revealed five themes: dying without physical discomfort, dying in religious ways and in a desirable place, dying without emotional discomfort, receiving help and support, and having a good relationship with medical staff. Conclusions: Indonesian Muslim patient with advanced lung cancer have unique perspectives on good death, especially based on the themes of religious ways of dying and support from family. Health care providers should be aware that good death is not an individual concern and should thus adopt highly sensitive observation skills to assess the physical and emotional state of patients. These providers must also understand their patients’ preferences and respect their needs, regardless of their own beliefs. © 2022 Elsevier Ltd

关键词： Advanced lung cancer Content analysis Good death Indonesian Muslim patients Interview Qualitative

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Technological Legitimacy, Discourses, and the Role of Policy Entrepreneurs in Wind Energy Transition

SSRN

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SSRN 2024年

作者： Pulice, Sérgio M.P. Peyerl, D. Branco, E.A. Demange, L.H.M.L. Martinez, L.P. Marchezini, V. INPE - National Institute for Space Research Av. dos Astronautas 1.758 - Jardim da Granja São José dos Campos – SP12227-010 Brazil Amsterdam Netherlands Technical Advisor in the Control and Environmental Licensing Board of Cetesb - São Paulo Environmental Agency Brazil UNIFESP - Federal University of São Paulo Science and Technology Centre São José dos Campos Brazil CEMADEN National Center for Monitoring and Early Warning of Natural Disasters São Jose dos Campos Brazil Graduate Program on Earth System Science National Institute for Space Research São José dos Campos Brazil

Legitimacy plays a decisive role in shaping the acceptance of technology in a sociotechnical regime, and it results from the interplay between discourses and policy actors. This study examines the discourses and roles of key actors in legitimizing wind energy expansion in Brazil from 2015 to 2022. By analyzing 979 newspaper articles using Content Analysis, Discourse Network Analysis and Advocacy Coalition Framework, we identified influential coalitions, central policy actors, and legitimizing discourses. The findings reveal the fit-and-conform and stretch-and-transform discursive strategies, with more stable economic beliefs overlapping sustainable beliefs. A turning point occurred in 2020, likely heralding a new market opportunity for green hydrogen, sparking a further investigation. We also identified the centrality of policy-entrepreneurship and discussed these results with a theoretical perspective about discursive stability and non-state actors' role in sustainability transition, highlighting the problem of dominance on economic beliefs, where short-term success may not guarantee long-term sustainability changes. © 2024, The Authors. All rights reserved.

关键词： Wind power

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AstroPix: A Pixelated HVCMOS Sensor for space-Based Gamma-Ray Measurement

arXiv

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arXiv 2025年

作者： Steinhebel, Amanda L. Caputo, Regina Violette, Daniel P. Affolder, Anthony Bauman, Autumn Chinatti, Carolyn Deshmukh, Aware Fadayev, Vitaliy Fukazawa, Yasushi Jadhav, Manoj Kierans, Carolyn Kim, Bobae Kim, Jihee Klest, Henry Kroger, Olivia Kumar, Kavic Kushima, Shin Lauenstein, Jean-Marie Leys, Richard Martinez-Mckinney, Forest Metcalfe, Jessica Metzler, Zachary Mitchell, John W. Nakano, Norito Ott, Jennifer Peric, Ivan Perkins, Jeremy S. Rudin, Max R. Shin, Taylor K.W. Sommer, Grant Striebig, Nicolas Suda, Yusuke Tajima, Hiroyasu Valverde, Janeth Zurek, Maria NASA Postdoctoral Program NASA Goddard Space Flight Center MD United States University of California Santa CruzCA United States University of Colorado DenverCO United States NASA Office of STEM Engagement WashingtonDC United States Carleton College Minnesota United States Center for Research and Exploration in Space Science and Technology Maryland United States Physics Program Graduate School of Advanced Science and Engineering Hiroshima University Japan Argonne National Laboratory Illinois United States University of Maryland MD United States Institute for Space-Earth Environmental Research Nagoya University Japan Karlsruher Institut für Technologie Germany Rice University TX United States The George Washington University WashingtonDC United States Kobayashi-Maskawa Institute for the Origin of Particles and the Universe Nagoya University Japan Department of Physics Center for Space Sciences and Technology University of Maryland Baltimore CountyMD United States

A next-generation medium-energy gamma-ray telescope targeting the MeV range would address open questions in astrophysics regarding how extreme conditions accelerate cosmic-ray particles, produce relativistic jet outflows, and more. One concept, AMEGO-X, relies upon the mission-enabling CMOS Monolithic Active Pixel Sensor silicon chip AstroPix. AstroPix is designed for space-based use, featuring low noise, low power consumption, and high scalability. Desired performance of the device include an energy resolution of 5 keV (or 10% FWHM) at 122 keV and a dynamic range per-pixel of 25 − 700 keV, enabled by the addition of a high-voltage bias to each pixel which supports a depletion depth of 500 μm. This work reports on the status of the AstroPix development process with emphasis on the current version under test, version three (v3), and highlights of version two (v2). Version 3 achieves energy resolution of 10.4 ± 3.2% at 59.5 keV and 94 ± 6 μm depletion in a low-resistivity test silicon substrate. © 2025, CC BY.

关键词： Cosmology

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Novel synthesis of ZIF67 derived cobalt and nickel oxides induced by ammonium tetrafluoroborate as electroactive material of battery supercapacitor hybrids

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Journal of Energy Storage 2023年 68卷

作者： Kuo, Tsung-Rong Draviana, Hanny Tika Hsu, Chia-Shuo Chung, Ren-Jei Chen, Min-Wen Wang, Su-Ching Lee, Pin-Yan Yougbaré, Sibidou Lin, Lu-Yin Wu, Yung-Fu International PhD Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Graduate Institute of Nanomedicine and Medical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Department of Chemical Engineering National Taiwan University of Science and Technology Taipei106 Taiwan Department of Chemical Engineering and Biotechnology National Taipei University of Technology Taipei Taiwan BP 218 11 Nanoro Burkina Faso Department of Chemical Engineering Ming Chi University of Technology New Taipei City24301 Taiwan

Cobalt and nickel oxides with large theoretical capacitance, high redox activity and low-cost features are widely applied as electroactive material of battery supercapacitor hybrids (BSH) to reduce energy consumption and create renewable energy. Synthesizing cobalt and nickel oxides using zeolitic imidazolate framework 67 (ZIF67) can enhance conductivity and electroactivity and maintain surface area and porosity of ZIF67. Structure directing agent (SDA) can control morphology and improve electrochemical performance. It is attractive to apply SDA for controlling morphology of oxidized ZIF67 and achieving excellent energy storage. In this work, ammonium tetrafluoroborate (NH4BF4) is firstly applied as SDA to synthesize ZIF67 derivative, which is then annealed to form leaf-like cobalt and nickel oxides as electroactive material. The optimal oxidized ZIF67 derivative shows a larger specific capacitance (CF) of 828.9 F/g than those of 519.9 and 5.0 F/g respectively for the oxidized ZIF67 and pristine ZIF67 electrodes, due to preferable leaf-like structure and (311) facet for the former case. A BSH with oxidized ZIF67 derivative positive electrode and graphene negative electrode shows maximum energy density of 10.2 Wh/kg at 357 W/kg, and CF retention of 91% and Coulombic efficiency of 97% after 10,000 cycles. The novel SDA of NH4BF4 is expected to design other efficient electroactive materials for effective energy storage. © 2023 Elsevier Ltd

关键词： Nickel oxide

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AstroPix: A Pixelated HVCMOS Silicon Sensor for Astrophysics and Nuclear Physics

AstroPix: A Pixelated HVCMOS Silicon Sensor for Astrophysics...

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IEEE Symposium on Nuclear science (NSS/MIC)

作者： A. Steinhebel H. Fleischhack N. Striebig M. Jadhav Y. Suda R. Luz D. P. Violette R. Caputo C. Kierans H. Tajima R. Leys I. Peric J. Metcalfe J. Perkins M. Zurek S. J. Joosten J. Kim NASA Postdoctoral Program Fellow NASA GSFC Greenbelt Maryland United States of America Goddard Space Flight Center NASA Greenbelt Maryland United States of America Center for Research and Exploration in Space Science and Technology NASA GSFC Greenbelt United States of America Catholic University of America Washington DC United States of America Karlsruhe Institute of Technology Karlsruhe Germany Argonne National Laboratory Lemont Illinois United States of America Hiroshima University Hiroshima Japan Institute for Space-Environment Research Nagoya University Nagoya Japan

Addressing the "MeV gap" in astrophysical sensitivity with a singular instrument is challenging - the system must be sensitive to photons over four decades of energy interacting through three unique energy-dependent mechanisms. In order to accurately measure and reconstruct medium-energy gamma rays in this band, a particle tracking system with a low noise floor of 5 keV and precise energy resolution of 9.7% FWHM at 122 keV is required. The component must also draw relatively low power (<1mW/cm^2) to effectively scale into a large instrument. AstroPix is a CMOS monolithic active pixel silicon (APS) sensor being designed for such use in space-based gamma-ray telescopes. A high voltage applied individually to all pixels will allow for depletion into the bulk up to 500um, enabling a dynamic range of 25-700 keV per 500x500um pixel. Drawing from heritage in high-energy particle physics, AstroPix can be implemented in a range of instruments from future gamma-ray telescopes to nuclear physics experiments. This talk will outline the scientific drivers from gamma-ray astronomy that shape AstroPix’s benchmark characteristics and overview its development process. Special attention will be paid to the first flight version of AstroPix, version 3, to be flown in late 2024 and future implementations in nuclear physics.

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ABCB1 Regulates Immune Genes in Breast Cancer

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Breast cancer (Dove Medical Press) 2023年 15卷 801-811页

作者： Han-Kun Chen Yi-Ling Chen Chih-Yang Wang Wei-Pang Chung Jung-Hua Fang Ming-Derg Lai Hui-Ping Hsu Department of Surgery Chi Mei Medical Center Tainan Taiwan. Department of Health and Nutrition Chia Nan University of Pharmacy and Science Tainan Taiwan. PhD Program for Cancer Molecular Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei Taiwan. Graduate Institute of Cancer Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei Taiwan. Department of Oncology National Cheng Kung University Hospital College of Medicine National Cheng Kung University Tainan 70403 Taiwan. Center of Applied Nanomedicine National Cheng Kung University Tainan Taiwan. Laboratory Animal Center College of Medicine National Cheng Kung University Tainan Taiwan. Department of Biochemistry and Molecular Biology National Cheng Kung University Tainan Taiwan. Institute of Basic Medical Sciences College of Medicine National Cheng Kung University Tainan Taiwan. Department of Surgery National Cheng Kung University Hospital College of Medicine National Cheng Kung University Tainan Taiwan.

Background:Resistance to standard chemotherapy is a critical problem for breast cancer patients. The ATP-binding cassette (ABC) superfamily transporters actively pump out drugs and play an important role in chemoresistance. ABCB1 (ABC subfamily B, member 1, also named as multidrug resistance protein 1, MDR1) and suppressive myeloid-derived suppressor cells (MDSCs) potentially involve in chemoresistance of breast cancer. The relationship between ABCB1 and immune genes in breast cancer has not been widely studied. Methods:Microarray and RNA sequencing data were obtained from The Cancer Genome Atlas Breast Invasive Carcinoma in Genomic Data Commons Data Portal and Gene Expression Omnibus database. A patient-derived xenograft (PDX) model of HER2 breast cancer was established to investigate the association between and immune genes in breast cancer. Results:Expression of increased in doxorubicin-selected MCF-7/ADR cells. High expression of mRNA is correlated with lymph-node metastasis and worse overall survival in patients with breast cancer. is positively correlated with , and . In the HER2 stage IIA breast cancer PDX model, both doxorubicin and paclitaxel suppressed growth of P2 tumors. IL6, CSF1, CSF3, and PTGS2 expression were suppressed by paclitaxel but not doxorubicin. Intrasplenic MDSCs, including CD11bLy6G and CD11bLy6C cells, were more abundant than intratumor MDSCs in PDX-carrying nude mice. Clinically, the patient developed cancer recurrence after adjuvant chemotherapy with doxorubicin-based regimen and was well controlled after paclitaxel-trastuzumab combined therapy. Conclusion:ABCB1 was a poor predictor of HER2 LN breast cancer. Regulation of immune genes by ABCB1 contributed to cancer recurrence and treatment effect. The PDX model was suitable for investigation the expression of target genes and expansion of immune cells.

关键词： ABC transporters ABCB1 breast cancer myeloid-derived suppressor cells patient-derived xenograft

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Hydrogen sulfide coordinates glucose metabolism switch through destabilizing tetrameric pyruvate kinase M2

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Nature Communications 2024年第1期15卷 7463页

作者： Wang, Rong-Hsuan Chen, Pin-Ru Chen, Yue-Ting Chen, Yi-Chang Chu, Yu-Hsin Chien, Chia-Chen Chien, Po-Chen Lo, Shao-Yun Wang, Zhong-Liang Tsou, Min-Chen Chen, Ssu-Yu Chiu, Guang-Shen Chen, Wen-Ling Wu, Yi-Hsuan Wang, Lily Hui-Ching Wang, Wen-Ching Lin, Shu-Yi Kung, Hsing-Jien Wang, Lu-Hai Cheng, Hui-Chun Lin, Kai-Ti Institute of Biotechnology National Tsing Hua University Hsinchu Taiwan Institute of Bioinformatics and Structural Biology National Tsing Hua University Hsinchu Taiwan Institute of Molecular and Genomic Medicine National Health Research Institutes Zhunan Taiwan Institute of Molecular and Cellular Biology National Tsing Hua University Hsinchu Taiwan Department of Medical Science National Tsing Hua University Hsinchu Taiwan School of Medicine National Tsing Hua University Hsinchu Taiwan Department of Life Science National Tsing Hua University Hsinchu Taiwan Institute of Biomedical Engineering and Nanomedicine National Health Research Institutes Zhunan Taiwan College of Medical Science and Technology PhD Program for Cancer Biology and Drug Discovery Taipei Medical University Taipei Taiwan Chiese Medicine Research Center and Institute of Integrated Medicine China Medical University Taichung City Taiwan

Most cancer cells reprogram their glucose metabolic pathway from oxidative phosphorylation to aerobic glycolysis for energy production. By reducing enzyme activity of pyruvate kinase M2 (PKM2), cancer cells attain a greater fraction of glycolytic metabolites for macromolecule synthesis needed for rapid proliferation. Here we demonstrate that hydrogen sulfide (H₂S) destabilizes the PKM2 tetramer into monomer/dimer through sulfhydration at cysteines, notably at C326, leading to reduced PKM2 enzyme activity and increased PKM2-mediated transcriptional activation. Blocking PKM2 sulfhydration at C326 through amino acid mutation stabilizes the PKM2 tetramer and crystal structure further revealing the tetramer organization of PKM2-C326S. The PKM2-C326S mutant in cancer cells rewires glucose metabolism to mitochondrial respiration, significantly inhibiting tumor growth. In this work, we demonstrate that PKM2 sulfhydration by H₂S inactivates PKM2 activity to promote tumorigenesis and inhibiting this process could be a potential therapeutic approach for targeting cancer metabolism. © The Author(s) 2024.

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