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α1-COP modulates plasmodesmata function through sphingolipid enzyme regulation

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Journal of Integrative Plant biology 2024年第8期66卷 1639-1657页

作者： Arya bagus boedi Iswanto minh Huy Vu Jong Cheol Shon Ritesh Kumar Shuwei Wu Hobin Kang Da-Ran kim Geon Hui Son Woe Yoen kim Youn-Sig Kwak Kwang Hyeon Liu Sang Hee kim Jae-Yean kim Division of Applied Life Science(bK21 FOUR Program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea College of Pharmacy and Research Institute of Pharmaceutical Sciences Kyungpook National UniversityDaegu 702-701Korea Departement of Plant medicine Gyeongsang National UniversityJinju 52828Korea Division of Life Science Gyeongsang National UniversityJinju 52828Korea

Callose,aβ-1,3-glucan plant cell wall polymer,regulates symplasmic channel size at plasmodesmata(PD)and plays a crucial role in a variety of plant ***,elucidating the molecular mechanism of PD callose homeostasis is *** screened and identified an Arabidopsis mutant plant with excessive callose deposition at PD and found that the mutated gene wasα1-COP,a member of the coat protein I(COPI)coatomer *** report that loss of function ofα1-COP elevates the callose accumulation at PD by affecting subcellular protein localization of callose degradation enzyme Pd *** process is linked to the functions of ERH1,an inositol phosphoryl ceramide synthase,and glucosylceramide synthase through physical interactions with theα1-COP ***,the loss of function ofα1-COP alters the subcellular localization of ERH1 and GCS proteins,resulting in a reduction of Glc Cers and Glc HCers molecules,which are key sphingolipid(SL)species for lipid raft *** findings suggest thatα1-COP protein,together with SL modifiers controlling lipid raft compositions,regulates the subcellular localization of GPI-anchored PDbG2 proteins,and hence the callose turnover at PD and symplasmic movement of *** findings provide the first key clue to link the COPI-mediated intracellular trafficking pathway to the callose-mediated intercellular signaling pathway through PD.

关键词： callose coatomer proteins membrane-bound vesicle plasmodesmata sphingolipid enzymes

Oxygen functionalization-assisted anionic exchange toward unique construction of flower-like transition metal chalcogenide embedded carbon fabric for ultra-long life flexible energy storage and conversion

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Carbon Energy 2024年第1期6卷 72-93页

作者： Roshan m.bhattarai Kisan Chhetri Nghia Le Debendra Acharya Shirjana Saud mai Cao Hoang Phuong Lan Nguyen Sang Jae kim Young Sun mok Department of Chemical Engineering Jeju National UniversityJejuRepublic of Korea Department of Nano Convergence Engineering Jeonbuk National UniversityJeonjuRepublic of Korea Regional Leading Research Center(RLRC)for Nanocarbon-based Energy materials and Application Technology Jeonbuk National UniversityJeonjuRepublic of Korea Department of Chemistry Mississippi State UniversityStarkvilleMississippiUSA Nanomaterials and System Laboratory Department of Mechatronics EngineeringJeju National UniversityJejuRepublic of Korea

The metal-organic framework(mOF)derived Ni–Co–C–N composite alloys(NiCCZ)were“embedded”inside the carbon cloth(CC)strands as opposed to the popular idea of growing them upward to realize ultrastable energy storage and conversion *** NiCCZ was then oxygen functionalized,facilitating the next step of stoichiometric sulfur anion diffusion during hydrothermal sulfurization,generating a flower-like metal hydroxysulfide structure(NiCCZOS)with strong partial implantation inside *** obtained NiCCZOS shows an excellent capacity when tested as a supercapacitor electrode in a three-electrode ***,when paired with the biomass-derived nitrogen-rich activated carbon,the asymmetric supercapacitor device shows almost 100%capacity retention even after 45,000 charge–discharge cycles with remarkable energy density(59.4 Wh kg^(-1)/263.8μWh cm^(–2))owing to a uniquely designed ***,the same electrode performed as an excellent bifunctional water-splitting electrocatalyst with an overpotential of 271 mV for oxygen evolution reaction(OER)and 168.4 mV for hydrogen evolution reaction(HER)at 10 mA cm−2 current density along with 30 h of unhinged chronopotentiometric stability performance for both HER and ***,a unique metal chalcogenide composite electrode/substrate configuration has been proposed as a highly stable electrode material for flexible energy storage and conversion applications.

关键词： carbon cloth energy conversion energy storage flexible metal embedding ultra-stable

Construction of a High‑Performance Composite Solid Electrolyte Through In‑Situ Polymerization within a Self‑Supported Porous Garnet Framework

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Nano-micro Letters 2024年第5期16卷 56-70页

作者： An‑Giang Nguyen min‑Ho Lee Jaekook kim Chan‑Jin Park Department of materials Science and Engineering Chonnam National University77 Yongbong‑roBuk‑guGwangju 61186South Korea

Composite solid electrolytes(CSEs)have emerged as promising candidates for safe and high-energy–density solid-state lithium metal batteries(SSLmbs).However,concurrently achieving exceptional ionic conductivity and interface compatibility between the electrolyte and electrode presents a significant challenge in the development of high-performance CSEs for *** overcome these challenges,we present a method involving the in-situ polymerization of a monomer within a self-supported porous Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12)(LLZT)to produce the *** synergy of the continuous conductive LLZT network,well-organized polymer,and their interface can enhance the ionic conductivity of the CSE at room ***,the in-situ polymerization process can also con-struct the integration and compatibility of the solid electrolyte–solid electrode *** synthesized CSE exhibited a high ionic conductivity of 1.117 mS cm^(-1),a significant lithium transference number of 0.627,and exhibited electrochemical stability up to 5.06 V ***/Li+at 30℃.moreover,the Li|CSE|LiNi_(0.8)Co_(0.1)mn_(0.1)O_(2) cell delivered a discharge capacity of 105.1 mAh g^(-1) after 400 cycles at 0.5 C and 30℃,corresponding to a capacity retention of 61%.This methodology could be extended to a variety of ceramic,polymer electrolytes,or battery systems,thereby offering a viable strategy to improve the electrochemical properties of CSEs for high-energy–density SSLmbs.

关键词： Scalable tape-casting method Self-supported porous Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12) Composite solid electrolyte LiF-and b-rich interphase layers

In situ infrared, Raman and X-ray spectroscopy for the mechanistic understanding of hydrogen evolution reaction

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Journal of Energy Chemistry 2024年第3期90卷 632-651,I0014页

作者： Andi Haryanto Kyounghoon Jung Chan Woo Lee Dong-Wan kim Department of Chemistry Kookmin UniversitySeoul 02707Republic of Korea School of Civil Environmental and Architectural EngineeringKorea UniversitySeoul 02841Republic of Korea

Hydrogen production by water reduction reactions has received considerable attention because hydrogen is considered a clean-energy carrier,key for a sustainable energy *** methods have been widely used to study the reaction mechanism of the hydrogen evolution reaction(HER),but the calculation results need to be supported by experimental results and direct evidence to confirm the mechanistic *** this review,we discuss the fundamental principles of the in situ spectroscopic strategy and a theoretical model for a mechanistic understanding of the *** addition,we investigate recent studies by in situ Fourier transform infrared(FTIR),Raman spectroscopy,and X-ray absorption spectroscopy(XAS) and cover new findings that occur at the catalyst-electrolyte interface during *** spectroscopic strategies provide practical ways to elucidate catalyst phase,reaction intermediate,catalyst-electrolyte interface,intermediate binding energy,metal valency state,and coordination environment during HER.

关键词： Hydrogen evolution reaction Infrared spectroscopy Raman spectroscopy X-ray absorption spectroscopy Reaction mechanism

Functionally graded structure of a nitride-strengthened mg_(2)Si-based hybrid composite

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Journal of magnesium and Alloys 2024年第3期12卷 1239-1256页

作者： Jeongho Yang Woongbeom Heogh Hogi Ju Sukhyun Kang Tae-Sik Jang Hyun-Do Jung mohammad Jahazi Seung Chul Han Seong Je Park Hyoung Seop kim Susmita bose Amit bandyopadhyay martin byung-Guk Jun Young Won kim Dae-kyeom kim Rigoberto CAdvincula Clodualdo Aranas Jr Sang Hoon kim School of mechanical Engineering Pusan National UniversityBusan 46241Republic of Korea Department of mechanical Design Engineering Hanyang UniversitySeoul 04763Republic of Korea Process Research 3 Team LG Display Co.Ltd.PajuGyeonggi-do 10845Republic of Korea Department of materials Science and Engineering Chosun UniversityGwangju 61452Republic of Korea Institute of Well-Aging medicare&Chosun University LAmP Center Chosun UniversityGwangju 61452Republic of Korea Division of materials Science and Engineering Hanyang UniversitySeoul 04763Republic of Korea Department of mechanical Engineering École de Technologie SupérieureMontrealQuebec H3C 1K3Canada material&Component Convergence R&D Center Korea Construction Equipment Technology InstituteGunsanJeollabuk-do 54002Republic of Korea School of mechanical and Aerospace Engineering Nanyang Technological UniversitySingapore 639798Singapore Graduate Institute of Ferrous&Eco materials Technology Pohang University of Science and TechnologyPohangGyeongsangbuk-do 37673Republic of Korea Advanced Institute for materials Research Tohoku UniversitySendai 980-8577Japan Institute for Convergence Research and Education in Advanced Technology Yonsei UniversitySeoul 03722Republic of Korea School of mechanical and materials Engineering Washington State UniversityPullmanWashington 99164USA School of mechanical Engineering Purdue UniversityWest LafayetteIndiana 47907USA Research Institute of Advanced manufacturing Technology Korea Institute of Industrial TechnologyIncheon 21999Republic of Korea Department of macromolecular Science and Engineering Case Western Reserve UniversityClevelandOhio 44106USA Department of Chemical and biomolecular Engineering and Joint Institute for Advanced materials University of TennesseeKnoxvilleTennessee 37996USA Center for Nanophase materials and Sciences Oak Ridge National LaboratoryOak RidgeTennessee 37830USA Department of mechanical Engineering University of New BrunswickFrederictonNew Brunswick E3B 5A3Cana

The ex-situ incorporation of the secondary SiC reinforcement,along with the in-situ incorporation of the tertiary and quaternary mg_(3)N_(2) and Si_(3)N_(4) phases,in the primary matrix of mg_(2)Si is employed in order to provide ultimate wear resistance based on the laser-irradiation-induced inclusion of N_(2) gas during laser powder bed *** is substantialized based on both the thermal diffusion-and chemical reactionbased metallurgy of the mg_(2)Si–SiC/nitride hybrid *** study also proposes a functional platform for systematically modulating a functionally graded structure and modeling build-direction-dependent architectonics during additive *** strategy enables the development of a compositional gradient from the center to the edge of each melt pool of the mg_(2)Si–SiC/nitride hybrid ***,the coefficient of friction of the hybrid composite exhibits a 309.3%decrease to–1.67 compared to–0.54 for the conventional nonreinforced mg_(2)Si structure,while the tensile strength exhibits a 171.3%increase to 831.5 mPa compared to 485.3 mPa for the conventional *** outstanding mechanical behavior is due to the(1)the complementary and synergistic reinforcement effects of the SiC and nitride compounds,each of which possesses an intrinsically high hardness,and(2)the strong adhesion of these compounds to the mg_(2)Si matrix despite their small sizes and low concentrations.

关键词： Laser powder bed fusion mg_(2)Si-SiC/nitride hybrid composite both the thermal diffusion-and chemical reaction-based metallurgy Functionally graded structure Compositional gradient Wear resistance.

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

ROS-induced metabolic reprogramming to one-carbon metabolism and S-adenosylmethionine-mediated epigenetic modification in IL-10-producing b cells for the resolution of pneumonia

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Cellular & molecular Immunology 2024年第2期21卷 203-204页

作者： Sujin Lee Tae Jin kim Department of Immunology Sungkyunkwan University School of MedicineSuwon16419Republic of Korea

b cells have an essential immunoregulatory function,which is mediated by the secretion of IL-10 and TGFβand interaction with activated CD4^(+)T *** antibody-independent function of b cells contributes to ameliorating autoimmune diseases or infection-induced tissue *** this Cellular and molecular Immunology issue,Fu et *** that regulatory b(breg)cells play a critical role in resolving Pseudomonas aeruginosa-induced pneumonia[1].

关键词： metabolism pneumonia Immunology

Low crude protein formulation with supplemental amino acids for its impacts on intestinal health and growth performance of growing-finishing pigs

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Journal of Animal Science and biotechnology 2024年第4期15卷 1590-1606页

作者： marcos Elias Duarte Wanpuech Parnsen Shihai Zhang marvio L.T.Abreu Sung Woo kim Department of Animal Science North Carolina State UniversityRaleighNC 27695USA

background Low crude protein(CP)formulations with supplemental amino acids(AA)are used to enhance intestinal health,reduce costs,minimize environmental impact,and maintain growth performance of ***,extensive reduction of dietary CP can compromise growth performance due to limited synthesis of non-essential AA and limited availability of bioactive compounds from protein supplements even when AA requirements are ***,implementing a low CP formulation can increase the net energy(NE)content in feeds causing excessive fat *** supplementation of functional AA,coupled with low CP formulation could further enhance intestinal health and glucose metabolism,improving nitrogen utilization,and growth *** experiments were conducted to evaluate the effects of low CP formulations with supplemental AA on the intestinal health and growth performance of growing-finishing *** In Exp.1,90 pigs(19.7±1.1 kg,45 barrows and 45 gilts)were assigned to 3 treatments:CON(18.0%CP,supplementing Lys,met,and Thr),LCP(16.0%CP,supplementing Lys,met,Thr,Trp,and Val),and LCPT(16.1%CP,LCP+0.05%SID Trp).In Exp.2,72 pigs(34.2±4.2 kg bW)were assigned to 3 treatments:CON(17.7%CP,meeting the requirements of Lys,met,Thr,and Trp);LCP(15.0%CP,meeting Lys,Thr,Trp,met,Val,Ile,and Phe);and VLCP(12.8%CP,meeting Lys,Thr,Trp,met,Val,Ile,Phe,His,and Leu).In Exp.3,72 pigs(54.1±5.9 kg bW)were assigned to 3 treatments and fed experimental diets for 3 phases(grower 2,finishing 1,and finishing 2).Treatments were CON(18.0%,13.8%,12.7%CP for 3 phases;meeting Lys,met,Thr,and Trp);LCP(13.5%,11.4%,10.4%CP for 3 phases;meeting Lys,Thr,Trp,met,Val,Ile,and Phe);and LCPG(14.1%,12.8%,11.1%CP for 3 phases;LCP+Glu to match SID Glu with CON).All diets had 2.6 mcal/kg *** In Exp.1,overall,the growth performance did not differ among *** LCPT increased(Pm and *** LCP and LCPT increased(Pb0AT exp

关键词： Amino acids Growing-finishing pigs Growth performance Intestinal health Low crude protein formulation Net energy

biofabrication of nanocomposite-based scaffolds containing human bone extracellularmatrix for the differentiation of skeletal stem and progenitor cells

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bio-Design and manufacturing 2024年第2期7卷 121-136页

作者： Yang-Hee kim Janos m.Kanczler Stuart Lanham Andrew Rawlings marta Roldo Gianluca Tozzi Jonathan I.Dawson Gianluca Cidonio Richard O.C.Oreffo Faculty of medicine Bone and Joint Research GroupCentre for Human DevelopmentStem Cells and RegenerationInstitute of Developmental SciencesUniversity of SouthamptonSouthampton SO166YDUK School of Pharmacy and biomedical Science University of PortsmouthPortsmouth PO12DTUK School of Engineering Faculty of Engineering and ScienceUniversity of GreenwichGreenwich ME44TBUK Center for Life Nano-and Neuro-Science(CLN2S) Italian Institute of Technology00161 RomeItaly

Autograft or metal implants are routinely used in skeletal ***,they fail to provide long-term clinical resolution,necessitating a functional biomimetic tissue engineering *** use of native human bone tissue for synthesizing a biomimeticmaterial inkfor three-dimensional(3D)bioprintingof skeletal tissueis anattractivestrategyfor ***,human bone extracellular matrix(bone-ECm)offers an exciting potential for the development of an appropriate microenvironment for human bone marrow stromal cells(HbmSCs)to proliferate and differentiate along the osteogenic *** this study,we engineered a novel material ink(LAb)by blending human bone-ECm(b)with nanoclay(L,Laponite®)and alginate(A)polymers using extrusion-based *** inclusion of the nanoﬁller and polymeric material increased the rheology,printability,and drug retention properties and,critically,the preservation of HbmSCs viability upon *** composite of human bone-ECm-based 3D constructs containing vascular endothelial growth factor(VEGF)enhanced vascularization after implantation in an ex vivo chick chorioallantoic membrane(CAm)*** inclusion of bone morphogenetic protein-2(bmP-2)with the HbmSCs further enhanced vascularization and mineralization after only seven *** study demonstrates the synergistic combination of nanoclay with biomimetic materials(alginate and bone-ECm)to support the formation of osteogenic tissue both in vitro and ex vivo and offers a promising novel 3D bioprinting approach to personalized skeletal tissue repair.

关键词： Extracellular matrix Nanoclay bone 3D bioprinting