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Altered gut microbiota patterns in COVID-19:Markers for inflammation and disease severity

World Journal of Gastroenterology 2022年第25期28卷 2802-2822页

作者： Chiranjib Chakraborty Ashish Ranjan Sharma Manojit Bhattacharya Kuldeep Dhama sang-soo lee School of Life Science and Biotechnology Adamas UniversityKolkata 700126India Institute for Skeletal Aging&Orthopaedic Surgery Hallym UniversityChuncheon-si 24252South Korea Department of Zoology Fakir Mohan UniversityBalasore 756020India Division of Pathology Indian Council of Agricultural Research(ICAR)-Indian Veterinary Research Institute(IVRI)Bareilly 243122Uttar PradeshIndia Institute for Skeletal Aging&Orthopedic Surgery Hallym UniversityChuncheon-si 24252South Korea

The severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection leads to a severe respiratory illness and alters the gut microbiota,which dynamically interacts with the human immune *** alterations include decreased levels of beneficial bacteria and augmentation of opportunistic ***,we describe critical factors affecting the microbiota in coronavirus disease 2019(COVID-19)*** include,such as gut microbiota imbalance and gastrointestinal symptoms,the pattern of altered gut microbiota composition in COVID-19 patients,and crosstalk between the microbiome and the gut-lung axis/gut-brain-lung ***,we have illustrated the hypoxia state in COVID-19 associated gut microbiota *** role of ACE2 in the digestive system,and control of its expression using the gut microbiota is discussed,highlighting the interactions between the lungs,the gut,and the brain during COVID-19 ***,we address the gut microbiota in elderly or co-morbid patients as well as gut microbiota dysbiosis of in severe *** clinical trials to understand the role of probiotics in COVID-19 patients are listed in this *** inflammation is one of the major driving forces for COVID-19 symptoms and gut microbiome disruption and is associated with disease ***,understanding the role of the gut microbiota in immune modulation during SARS-CoV-2 infection may help improve therapeutic strategies for COVID-19 treatment.

关键词： COVID-19 Inflammation Gut microbiota Therapeutic

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TonEBP expression is essential in the IL-1β–induced migration and invasion of human A549 lung cancer cells

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Oncology Research 2024年第1期32卷 151-161页

作者： HEE JU SONG TAEHEE KIM HAN NA CHOI soo JIN KIM sang DO lee Department of Physiology School of MedicineChungnam National UniversityDaejeon35015Korea

Lung cancer has the highest mortality rate among all cancers,in part because it readily *** tumor microenvironment,comprising blood vessels,fibroblasts,immune cells,and macrophages[including tumor-associated macrophages(TAMs)],is closely related to cancer cell growth,migration,and *** secrete several cytokines,including interleukin(IL)-1β,which participate in cancer migration and invasion.p21-activated kinase 1(PAK1),an important signaling molecule,induces cell migration and invasion in several ***responsive enhancer-binding protein(TonEBP)is also known to participate in cancer cell growth,migration,and ***,the mechanisms by which it increases lung cancer migration remain ***,in this study,we aimed to elucidate the mechanisms by which IL-1βand TonEBP affect lung cancer cell migration and *** found that A549 cocultured-MΦ-secreted IL-1βinduced A549 cell migration and invasion via the PAK1 *** deficiency reduced A549 cell migration and invasion and increased responsiveness to IL-1β–induced migration and ***1 phosphorylation,which was promoted by IL-1β,was reduced when TonEBP was *** results suggest that TonEBP plays an important role in IL-1βinduction and invasiveness of A549 cells via the PAK1 *** findings could be valuable in identifying potential targets for lung cancer treatment.

关键词： Lung cancer TonEBP Tumor microenvironment Tumor-associated macrophage IL-1β

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Ebola virus disease: Recent advances in diagnostics and therapeutics

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Asian Pacific Journal of Tropical Medicine 2019年第9期12卷 385-395页

作者： Supriya Jagga Ashish Ranjan Sharma Chiranjib Chakraborty sang-soo lee Institute for Skeletal Aging&Orthopedic Surgery Chuncheon Sacred Heart HospitalHallym UniversityChuncheon 24252 Republie of Korea Department of Biotechnology School of Life Science and BiotechnologyAdamas UniversityBarasat Barackpore RdKlltaWest Bengal 700126 lndia

Ebola virus disease(EVD)is associated with haemorrhagic fever in humans and nonhuman primates,with a high rate of fatality(up to 90%).Some outbreaks in human history have proven the lethality of *** recent epidemic of 2014 and 2015 in West Africa was the deadliest of all time(11 284 deaths).To understand the transmission dynamics,we have reviewed the epidemiology of EVD to *** absence of any licensed vaccines or approved drugs against Ebola virus(EBOV)further highlights the severity and crisis level of *** organizations(public and private)are making considerable efforts to develop novel therapeutic approaches or vaccines to contain the outbreak of EBOV ***,we summarized the various potential drugs and vaccines(undergoing multiple phases of clinical trials)that have arisen as an alternative against EBOV,and we highlighted the numerous issues and limitations hindering this ***,an increasing focus on strengthening the medical and civic health structure could provide speedy benefits in containing the spread of EVD,as well as offer a resilient foundation for the deployment of novel drugs and vaccines to the affected countries,once such drugs and vaccines become available.

关键词： Ebola virus Vaccines Therapeutics Ebola outbreaks Diagnostics Epidemiology Haemorrhagic fever

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Importance of dietary supplementation of soluble and insoluble fibers to sows subjected to high ambient temperatures during late gestation and effects on lactation performance

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Animal Nutrition 2024年第1期16卷 73-83页

作者： Seung Min Oh Abdolreza Hosseindoust sang Hun Ha Jun Young Mun Joseph Moturi Habeeb Tajudeen Yo Han Choi Su Hyup lee Jin soo Kim Gyeongbuk Livestock Research Institute Department of Animal Industry Convergence Kangwon National University Swine Division National Institute of Animal Science Rural Development Administration Department of Swine Science Korea National University of Agriculture and Fisheries

Heat stress adversely affects sows' performance, which can be improved by applying proper nutritional strategies. This study was conducted to investigate the interactive effects of dietary fiber levels and sources on sows' reproductive performance, metabolic response during gestation, and the carry-over influence on litter performance in the lactation period during heat stress(average room temperature of 27.1°C). Fifty-four multiparous sows(Landrace × Yorkshire; initial body weight of 236.3 ± 16 kg; 2, 3and 4 parities) at d 90 of gestation were assigned to a 2 × 3 factorial arrangement(9 sows/treatment),involving 2 dietary fiber levels(4.5% and 6% crude fiber) and 3 dietary fiber sources(wheat bran [WB],palm kernel meal [PK], and beet pulp [BP]). Sows fed the BP diet had highest(P < 0.01) feed intake and constipation index and lowest(P < 0.01) farrowing duration. Piglet weight(P = 0.041) and litter weight(P < 0.01) at weaning were higher in sows in the BP treatment compared to PK treatment. Sows in the BP treatment showed the greatest(P < 0.01) digestibility of crude protein and neutral detergent fiber. The fecal concentration of acetate was the lowest(P < 0.01) in the PK treatment. Total short-chain fatty acid production was increased in the WB and BP treatments compared with the PK. Sows in the BP treatment showed the lowest(P = 0.036) hair cortisol. The blood insulin concentration of sows was higher(P = 0.026) in the high fiber(6%) treatment compared with the low fiber(4.5%) treatment at 90 min and120 min after the meal. The concentration of phthalic acid, succinic acid, phenylethylamine, hydrocinnamic acid, iron, linoleic acid, glycerol, ketone, and formamide were increased(P < 0.05) in the BP treatment compared with the WB. The BP treatment with high soluble fiber content improved the constipation index, farrowing duration, and litter performance, while high insoluble fibers increased sows comfort and reduced stress factors including respiratory rate and rectal

关键词： Soluble fiber Insoluble fiber Beet pulp Wheat bran Palm kernel Metabolites

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Intelligent structured nanocomposite adhesive for bioelectronics and soft robots

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Nano Research 2024年第2期17卷 534-549页

作者： Yeon soo lee Min-Seok Kim Da Wan Kim Changhyun Pang School of Chemical Engineering Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea Mechanical Metrology Group Korea Research Institute of Standards and ScienceDaejeon 34113Republic of Korea Department of Electronic Engineering Korea National University of TransportationChungbuk 27469Republic of Korea Samsung Advanced Institute for Health Sciences and Technology Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea

The remarkable functionality of biological systems in detecting and adapting to various environmental conditions has inspired the design of the latest electronics and robots with advanced *** review focuses on intelligent bio-inspired strategies for developing soft bioelectronics and robotics that can accommodate nanocomposite adhesives and integrate them into biological *** underlying principles of the material and structural design of nanocomposite adhesives were investigated for practical applications with excellent functionalities,such as soft skin-attachable health care sensors,highly stretchable adhesive electrodes,switchable adhesion,and untethered soft *** addition,we have discussed recent progress in the development of effective fabrication methods for micro/nanostructures for integration into devices,presenting the current challenges and prospects.

关键词： biomimetics bio-adhesive switchable adhesion bioelectronics nanocomposite soft robotics

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PPARγLBD and its ligand specificity reveal a selection of potential partial agonist:Molecular dynamics based T2D drug discovery initiative

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BIOCELL 2021年第4期45卷 953-961页

作者： BIDYUT MALLICK ASHISH RANJAN SHARMA MANOJIT BHATTACHARYA sang-soo lee CHIRANJIB CHAKRABORTY Department of Applied Science Galgotias College of Engineering and TechnologyKnowledge Park-IIGreater Noida201306India Institute for Skeletal Aging&Orthopedic Surgery Hallym University-Chuncheon Sacred Heart HospitalChuncheon-si24252Korea Department of Zoology Fakir Mohan UniversityVyasa ViharBalasore756020India Department of Biotechnology School of Life Science and BiotechnologyAdamas UniversityKolkata700126India

PPARγis a peroxisome proliferator-activated receptor(PPAR)family protein and is a target for type 2 diabetes(T2D).In this paper,we have performed a molecular docking analysis between ligand molecules(CID9816265,CID11608015,CID20251380,CID20251343,CID20556263,CID624491,CID42609928,and CID86287562)and PPARγto determine the ligand *** also helps to understand the ligand-binding domain(LBD)activity of PPARγduring the binding of the ***,a molecular dynamics simulation study was performed to determine the ligand biding stability in the PPARγ*** ligand specificity informed us about the potentiality of selecting a partial *** study also shows the binding conformation of Ceramicine B having hydrogen bonding affinity with a tricyclic polar head and stabilized theβ-sheet *** the other hand,the tricyclic polar head of nimbolide also formed hydrogen bonding(Ser342),but it shows a lesser degree of stabilization in theβ-sheet *** shows the binding conformation of partial agonist(PPARγ)in the Pocket-II of PPARγLBD,which has a significant role in stabilizing theβ-sheet *** might help to regulate ERK/Cdk5 mediated phosphorylation of *** study helps us understand the valid pose of a set of ligands confirmation and target protein conformation using docking and molecular dynamics *** in silico study will also help to initiate a drug discovery process of T2D.

关键词： PPARγ Partial agonist Molecular simulation T2D Drug discovery

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The 2019 novel coronavirus disease(COVID-19) pandemic: A zoonotic prospective

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Asian Pacific Journal of Tropical Medicine 2020年第6期13卷 242-246页

作者： Chiranjib Chakraborty Ashish Ranjan Sharma Manojit Bhattacharya Garima Sharma sang-soo lee Department of Biotechnology School of Life Science and BiotechnologyAdamas UniversityBarasat-Barrackpore RdKolkataWest Bengal 700126India Institute for Skeletal Aging&Orthopedic Surgery Hallym University-Chuncheon Sacred Heart HospitalChuncheon-si24252Gangwon-doRepublic of Korea Neuropsychopharmacology and Toxicology Program College of PharmacyKangwon National UniversityRepublic of Korea

Severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),a novel coronavirus(CoV),has recently emerged as a significant pathogen for humans and the cause for the recent outbreak of the 2019 novel coronavirus disease(COVID-19)throughout the *** developing any preventive measure,an understanding of the zoonotic pattern for this virus is a *** should have a clear knowledge of its reservoir host,its distribution pattern and spreading *** about zoonotic reservoirs and its transmission among them can help to understand the COVID-19 *** this article,we discuss about the bats as the zoonotic reservoir of several CoV strains,co-existence of bats and CoV/viruses,the sequence similarity of SARS-CoV-2 with bat SARS-like CoV,the probable source of the origin of SARS-CoV-2 strain and COVID-19 outbreak,intermediate host of CoVs and SARS-CoV-2,human to human transmission and the possibility to maintain the zoonotic *** knowledge about the zoonotic reservoir of SARS-CoV-2 and its transmission ability may help develop the preventive measures and control for the future outbreak of CoV.

关键词： SARS-CoV-2 COVID-19 Coronavirus Zoonotic reservoir

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Anode surface engineering of zinc-ion batteries using tellurium nanobelt as a protective layer for enhancing energy storage performance

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Journal of Energy Chemistry 2024年第5期92卷 113-123页

作者： soobeom lee Yeonjin Je Boeun Seok Hyun Tae Kim Yong-Ryun Jo soong Ju Oh Byoungyong Im Dae Guen Kim sang-soo Chee Geon-Hyoung An Department of Energy System Engineering Gyeongsang National UniversityJinju 52725Republic of Korea Nano Convergence Materials Center Korea Institute of Ceramic Engineering and Technology(KICET)Jinju 52851Republic of Korea Department of Materials Science and Engineering Korea UniversitySeoul 02841Republic of Korea School of Materials Science and Engineering Gyeongsang National UniversityJinju 52828Republic of Korea GIST Advanced Insitute of Instrumental Analysis(GAIA) Electron Microscopy LaboratoryGwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Center for Advanced Materials and Processing Institute for Advanced EngineeringYongin 17180Republic of Korea Department of Energy Engineering Gyeongsang National UniversityJinju 52725Republic of Korea

Over the years,zinc-ion batteries(ZIBs)have attracted attention as a promising next-generation energy storage technology because of their excellent safety,long cycling performance,eco-friendliness,and high-power ***,issues,such as the corrosion and dissolution of the Zn anode,limited wet-tability,and lack of sufficient nucleation sites for Zn plating,have limited their practical *** introduction of a protective layer comprising of tellurium(Te)nanobelts onto the surface of Zn anode has emerged as a promising approach to overcome these limitations and improve the electrochemical behav-ior by enhancing the safety and wettability of ZIBs,as well as providing numerous nucleation sites for Zn *** the presence of a Te-based protective layer,the energy power density of the surface-engineered Zn anode improved significantly(ranging from 310 to 144 W h kg^(-1),over a power density range of 270 to 1,800 W kg^(-1)),and the lifespan capability was *** results demonstrate that the proposed strategy of employing Te nanobelts as a protective layer holds great promise for enhancing the energy storage performance of zIBs,making them even more attractive as a viable energy storage solution forthefuture.

关键词： Zn ion battery Anode Protective layer Tellurium Nanobelt

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Artificial optoelectronic synapse based on spatiotemporal irradiation to source-sharing circuitry of synaptic phototransistors

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InfoMat 2024年第2期6卷 131-141页

作者： Seungho Song Changsoon Choi Jongtae Ahn Je-Jun lee Jisu Jang Byoung-soo Yu Jung Pyo Hong Yong-sang Ryu Yong-Hoon Kim Do Kyung Hwang Center for Opto-Electronic Materials and Devices Post-Silicon Semiconductor InstituteKorea Institute of Science and Technology(KIST)SeoulRepublic of Korea School of Advanced Materials Science and Engineering Sungkyunkwan UniversitySuwonRepublic of Korea Center for Spintronics Post-Silicon Semiconductor InstituteKorea Institute of Science and Technology(KIST)SeoulRepublic of Korea Division of Nanoscience&Technology KIST SchoolUniversity of Science and Technology(UST)SeoulRepublic of Korea School of Biomedical Engineering Korea UniversitySeoulRepublic of Korea KU-KIST Graduate School of Converging Science and Technology Korea UniversitySeoulRepublic of Korea

To overcome the intrinsic inefficiency of the von Neumann architecture,neuromorphic devices that perform analog vector–matrix multiplication have been highlighted for achieving power-and time-efficient data *** particular,artificial synapses,of which conductance should be programmed to represent the synaptic weights of the artificial neural network,have been intensively researched to realize neuromorphic ***,inspired by excitatory and inhibitory synapses,we develop an artificial optoelectronic synapse that shows both potentiation and depression characteristics triggered only by optical *** design of the artificial optoelectronic synapse,in which excitatory and inhibitory synaptic phototransistors are serially connected,enables these characteristics by spatiotemporally irradiating the phototransistor channels with optical ***,a negative synaptic weight can be realized without the need for electronic components such as *** such attributes,the artificial optoelectronic synapse is demonstrated to classify three digits with a high recognition rate(98.3%)and perform image preprocessing via analog vector-matrix multiplication.

关键词： amorphous oxide semiconductor analog processing artificial synapse neuromorphic optoelectronics

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Anti-inflammatory effects of traditional mixed extract of medicinal herbs(MEMH)on monosodium urate crystal-induced gouty arthritis

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Chinese Journal of Natural Medicines 2017年第8期15卷 561-575页

作者： Ju-Suk Nam Supriya Jagga Ashish Ranjan Sharma Joon-Hee lee Jong Bong Park Jun-Sub Jung sang-soo lee Institute For Skeletal Aging&Orthopedic Surgery Hallym University-Chuncheon Sacred Heart HospitalChuncheonGangwon-do24252Republic of Korea Institute of Natural Medicine College of MedicineHallym UniversityChucheonGangwon-do 24252Republic of Korea Hana Oriental Clinic ChucnheonGangwon-do 24433Republic of Korea

Korean oriental medicine prescription is widely used for the treatment of gouty diseases. In the present study, we investigated anti-inflammatory effects of modified Korean herbal formulation, mixed extract of medicinal herbs(MEMH), and its modulatory effects on inflammatory mediators associated with gouty arthritis. Both in vitro and in vivo studies were carried out to assess the anti-inflammatory efficacy of MEMH on monosodium urate(MSU) crystals-induced gouty inflammation. MSU crystals stimulated human chondrosarcoma cell line, SW1353, and human primary chondrocytes were treated with MEMH in vitro. The expression levels of pro-inflammatory mediators and metalloproteases were analyzed. The effect of MEMH on NFκB signaling pathway in SW1353 cells was examined. Effect of MEMH on the mR NA expression level of pro-inflammatory mediators and chemotactic factor from human monocytic cell line, THP-1, was also analyzed. The probable role of MEMH in the differentiation process of osteoblast like cells, SaO S-2, after MSU treatment was also observed. To investigate the effects of MEMH in vivo, MSU crystals-induced ankle arthritic model was established. Histopathological changes in affected joints and plasma levels of pro-inflammatory mediators(IL-1β and TNFα) were recorded. MEMH inhibited NFκB signaling pathway and COX-2 protein expression in chondrocytes. MSU-induced mR NA expressions of pro-inflammatory mediators and chemotactic cytokines were suppressed by MEMH. In MSU crystals-induced ankle arthritic mouse model, administration of MEMH relieved inflammatory symptoms and decreased the plasma levels of IL-1β and TNFα. The results indicated that MEMH can effectively inhibit the expression of inflammatory mediators in gouty arthritis, demonstrating its potential for treating gouty arthritis.

关键词： Gout Monosodium urate crystals Inflammation Chondrocyte Oriental medicine

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