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Hwang JM, Park SW, Jeong JS, Kim JW, Ko DC, Jang JS. A Methodological Approach for Motor Selection in Dental Impression Material Dispensers Using Experimental and Image Analysis Techniques. Materials (Basel) 2024; 17:1467. [PMID: 38611981 PMCID: PMC11012413 DOI: 10.3390/ma17071467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/15/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024]
Abstract
This study presents a methodology to prevent the overdesign of electric dispensers for dental impression materials by analyzing the necessary load and determining the appropriate pressurization speed and drive motor capacity. We derived an equation to calculate the required torque and rotational speed of the motor based on the extrusion load and the speed of the impression material. A specialized load measurement system was developed to measure the load necessary to extrude the impression material. Through experiments and image processing, we measured the radius of curvature of the trajectory of the impression material and correlated it with the pressurization speed. Techniques such as position coordinate plotting, curve fitting, and circle fitting were employed to determine the pressurization speed that aligns with the manufacturer's recommended curvature radius. These findings led to a substantial decrease in the necessary motor torque and rotational speed compared with the current standards. This research provides a systematic approach to sizing drive motors using extrusion load and pressurization speed, aiming to reduce overdesign, power consumption, and the weight and size of the motor and battery, thereby contributing to the development of more efficient and compact dental impression material dispensers.
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Affiliation(s)
- Ji-Min Hwang
- Advanced Mobility Components Group, Korea Institute of Industrial Technology, Daegu 42994, Republic of Korea; (J.-M.H.); (S.-W.P.); (J.-S.J.); (J.-W.K.)
- Department of Nanomechatronics Engineering, Pusan National University, Pusan 46241, Republic of Korea
| | - Sang-Wook Park
- Advanced Mobility Components Group, Korea Institute of Industrial Technology, Daegu 42994, Republic of Korea; (J.-M.H.); (S.-W.P.); (J.-S.J.); (J.-W.K.)
- Department of Nanomechatronics Engineering, Pusan National University, Pusan 46241, Republic of Korea
| | - Ji-Su Jeong
- Advanced Mobility Components Group, Korea Institute of Industrial Technology, Daegu 42994, Republic of Korea; (J.-M.H.); (S.-W.P.); (J.-S.J.); (J.-W.K.)
- Department of Nanomechatronics Engineering, Pusan National University, Pusan 46241, Republic of Korea
| | - Ji-Wook Kim
- Advanced Mobility Components Group, Korea Institute of Industrial Technology, Daegu 42994, Republic of Korea; (J.-M.H.); (S.-W.P.); (J.-S.J.); (J.-W.K.)
| | - Dae-Cheol Ko
- Department of Nanomechatronics Engineering, Pusan National University, Pusan 46241, Republic of Korea
| | - Jin-Seok Jang
- Advanced Mobility Components Group, Korea Institute of Industrial Technology, Daegu 42994, Republic of Korea; (J.-M.H.); (S.-W.P.); (J.-S.J.); (J.-W.K.)
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2
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Mücke D, Cooley I, Liang B, Wang Z, Park S, Dong R, Feng X, Qi H, Besley E, Kaiser U. Understanding the Electron Beam Resilience of Two-Dimensional Conjugated Metal-Organic Frameworks. Nano Lett 2024; 24:3014-3020. [PMID: 38427697 PMCID: PMC10941249 DOI: 10.1021/acs.nanolett.3c04125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/03/2024]
Abstract
Knowledge of the atomic structure of layer-stacked two-dimensional conjugated metal-organic frameworks (2D c-MOFs) is an essential prerequisite for establishing their structure-property correlation. For this, atomic resolution imaging is often the method of choice. In this paper, we gain a better understanding of the main properties contributing to the electron beam resilience and the achievable resolution in the high-resolution TEM images of 2D c-MOFs, which include chemical composition, density, and conductivity of the c-MOF structures. As a result, sub-angstrom resolution of 0.95 Å has been achieved for the most stable 2D c-MOF of the considered structures, Cu3(BHT) (BHT = benzenehexathiol), at an accelerating voltage of 80 kV in a spherical and chromatic aberration-corrected TEM. Complex damage mechanisms induced in Cu3(BHT) by the elastic interactions with the e-beam have been explained using detailed ab initio molecular dynamics calculations. Experimental and calculated knock-on damage thresholds are in good agreement.
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Affiliation(s)
- David Mücke
- Central
Facility for Materials Science Electron Microscopy, Universität Ulm, 89081 Ulm, Germany
| | - Isabel Cooley
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
| | - Baokun Liang
- Central
Facility for Materials Science Electron Microscopy, Universität Ulm, 89081 Ulm, Germany
| | - Zhiyong Wang
- Max
Planck Institute of Microstructure Physics, 06120 Halle (Saale), Germany
- Faculty
of Chemistry and Food Chemistry & Center for Advancing Electronics
Dresden, Technische Universität Dresden, 01062 Dresden, Germany
| | - SangWook Park
- Faculty
of Chemistry and Food Chemistry & Center for Advancing Electronics
Dresden, Technische Universität Dresden, 01062 Dresden, Germany
| | - Renhao Dong
- Faculty
of Chemistry and Food Chemistry & Center for Advancing Electronics
Dresden, Technische Universität Dresden, 01062 Dresden, Germany
- Key
Laboratory of Colloid and Interface Chemistry of the Ministry of Education,
School of Chemistry and Chemical Engineering, Shandong University, 250100 Jinan, China
| | - Xinliang Feng
- Max
Planck Institute of Microstructure Physics, 06120 Halle (Saale), Germany
- Faculty
of Chemistry and Food Chemistry & Center for Advancing Electronics
Dresden, Technische Universität Dresden, 01062 Dresden, Germany
| | - Haoyuan Qi
- Central
Facility for Materials Science Electron Microscopy, Universität Ulm, 89081 Ulm, Germany
- Faculty
of Chemistry and Food Chemistry & Center for Advancing Electronics
Dresden, Technische Universität Dresden, 01062 Dresden, Germany
| | - Elena Besley
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
| | - Ute Kaiser
- Central
Facility for Materials Science Electron Microscopy, Universität Ulm, 89081 Ulm, Germany
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Chen Z, Joseph D, Ding M, Bhujbal SP, Rajan RPS, Kim E, Park SW, Lee S, Lee TH. Synthesis and evaluation of 2-NMPA derivatives as potential agents for prevention of osteoporosis in vitro and in vivo. Eur J Med Chem 2023; 260:115767. [PMID: 37651877 DOI: 10.1016/j.ejmech.2023.115767] [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: 03/30/2023] [Revised: 07/25/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023]
Abstract
Abnormal osteoclast differentiation causes various bone disorders such as osteoporosis. Targeting the formation and activation of osteoclasts has been recognized as an effective approach for preventing osteoporosis. Herein, we synthesized eleven 2-NMPA derivatives which are (2-(2-chlorophenoxy)-N-(4-alkoxy-2-morpholinophenyl) acetamides, and evaluated their suppression effects on osteoclastogenesis in vitro by using TRAP-staining assay. Among the synthesized eleven novel 2-NMPAs, 4-(2-(2-chlorophenoxy)acetamido)-3-morpholinophenyl trifluoromethanesulfonate (11b), 4-(2-(2-chlorophenoxy) acetamido)-3-morpholinophenyl-3-(N-(2-oxo-2-((2-(phenylthio) phenyl) amino) ethyl)methylsulfonamido)benzoate (11d), and 4-(2-(2-chlorophenoxy) acetamido)-3-morpholinophenyl 4-acetamidobenzenesulfonate (11h) displayed highly inhibitory bioactivity on the differentiation of primary osteoclasts. 11h was selected for further investigation of the inhibitory effects and potential mechanism involved in the suppression of osteoclastogenesis. In vitro analysis suggested that 11h inhibited osteoclastogenesis with an IC50 of 358.29 nM, decreased the formation of F-action belts and bone resorption, without interfering cell viability and osteoblast differentiation. Furthermore, the mRNA expressions of osteoclast-specific genes such as Acp5, Nfatc1, Dc-stamp, Atp6v0d2, Mmp9, and Ctsk significantly decreased following 11h treatment. RANKL-induced osteoclast-specific proteins analysis demonstrated that 11h suppressed osteoclast differentiation by downregulating of RANKL-mediated TRAF6 expression, followed by inactivation of PI3K/AKT and IκBα/NF-κB signaling pathways. Finally, 11h inhibited ovariectomy-induced bone loss in vivo. Therefore, the current work highlighted the therapeutic potential of 11h as an anti-osteoporosis lead compound.
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Affiliation(s)
- Zhihao Chen
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Devaneyan Joseph
- Department of Chemistry, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Mina Ding
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Swapnil Pandurang Bhujbal
- Institute of Pharmaceutical Science and Technology, Hanyang University, Ansan, 426-791, Republic of Korea
| | | | - Eunae Kim
- Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju, 61452, Republic of Korea
| | - Sang-Wook Park
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Sunwoo Lee
- Department of Chemistry, Chonnam National University, Gwangju, 61186, Republic of Korea.
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju, 61186, Republic of Korea.
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Adhikari A, Park SW. Reduced GSH Acts as a Metabolic Cue of OPDA Signaling in Coregulating Photosynthesis and Defense Activation under Stress. Plants (Basel) 2023; 12:3745. [PMID: 37960101 PMCID: PMC10648297 DOI: 10.3390/plants12213745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
12-oxo-phytodienoic acid (OPDA) is a primary precursor of jasmonates, able to trigger autonomous signaling cascades that activate and fine-tune plant defense responses, as well as growth and development. However, its mechanism of actions remains largely elusive. Here we describe a dual-function messenger of OPDA signaling, reduced glutathione (GSH), that cross-regulates photosynthesis machinery and stress protection/adaptation in concert, optimizing plant plasticity and survival potential. Under stress conditions, the rapid induction of OPDA production stimulates GSH accumulation in the chloroplasts, and in turn leads to protein S-glutathionylation in modulating the structure and function of redox-sensitive enzymes such as 2-cysteine (Cys) peroxiredoxin A (2CPA), a recycler in the water-water cycle. GSH exchanges thiol-disulfides with the resolving CysR175, while donating an electron (e-, H+) to the peroxidatic CysP53, of 2CPA, which revives its reductase activity and fosters peroxide detoxification in photosynthesis. The electron flow protects photosynthetic processes (decreased total non-photochemical quenching, NPQ(T)) and maintains its efficiency (increased photosystem II quantum yield, ΦII). On the other hand, GSH also prompts retrograde signaling from the chloroplasts to the nucleus in adjusting OPDA-responsive gene expressions such as Glutathione S-Transferase 6 (GST6) and GST8, and actuating defense responses against various ecological constraints such as salinity, excess oxidants and light, as well as mechanical wounding. We thus propose that OPDA regulates a unique metabolic switch that interfaces light and defense signaling, where it links cellular and environmental cues to a multitude of plant physiological, e.g., growth, development, recovery, and acclimation, processes.
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Affiliation(s)
| | - Sang-Wook Park
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA;
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Liu W, Thapa P, Park SW. RD29A and RD29B rearrange genetic and epigenetic markers in priming systemic defense responses against drought and salinity. Plant Sci 2023; 337:111895. [PMID: 37838156 DOI: 10.1016/j.plantsci.2023.111895] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/18/2023] [Accepted: 10/10/2023] [Indexed: 10/16/2023]
Abstract
Drought has become the most important limiting factor to crop productions. Research thus far has been devoted to identifying drought-responsive genes (DRGs) via breeding and engineering approaches. Still, these efforts have not resulted in a solution to combat drought's effects because the ectopic expression of most DRGs causes adverse effects that reduce plant growth and yields. Lately, we discovered that two DRGs, Response to Desiccation (RD)29A and RD29B, induced by Paenibacillus polymyxa CR1, a plant growth-promoting rhizobacterium capable of priming drought tolerance and concurrently stimulating plant growth, play pivotal roles in defense responses against drought. In this study, we employ the ChlP and qRT-PCR analyses and further clarify that P. polymyxa CR1 reformats the chromatin/transcriptional memory of RD29s, positioned as upstream controllers that fine-tune the temporal dynamic of stress-regulating transcription factors (TFs) in elaborating induced systemic drought tolerance without growth penalties. Two genes coordinate the upregulation of NAC TFs, while feedback inhibiting CBF TFs, which regulate downstream DRG expressions. This supports that RD29s are unique, feasible transgene candidates for improving plants' survival capacity in both optimal and drought conditions. However, the mode of action of RD29A and RD29B are partly independent, exerting distinct roles in disparate ecological states. When subjected to increasing NaCl concentrations, the KO mutant of RD29A (rd29a) displayed enhanced tolerance compared to WT and rd29b plants, proposing that RD29B, but not RD29A, a key player in conferring WT-like tolerance to salinity stress; further studies will be needed to optimize/maximize their applications in engineering for-profit drought and/or broad-spectrum stress tolerant crops.
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Affiliation(s)
- Wenshan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA
| | - Parbati Thapa
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA
| | - Sang-Wook Park
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA.
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Jeong J, Lee D, Park BC, Lee TH, Park SW. Establishment of a TNFRSF11B knock-out human induced pluripotent stem cell line (KSCBi002-B-2) via CRISPR/Cas9 system. Stem Cell Res 2023; 71:103167. [PMID: 37481965 DOI: 10.1016/j.scr.2023.103167] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/28/2023] [Accepted: 07/12/2023] [Indexed: 07/25/2023] Open
Abstract
A TNFRSF11B (TNF Receptor Superfamily Member 11b) gene encodes a soluble decoy receptor, osteoprotegerin (OPG), which has a key role in repressing osteoclast differentiation. In this report, we generated a biallelic knock-out hiPSC line for the TNFRSF11B gene via CRISPR/Cas9. When TNFRSF11B Knock-out hiPSCs were differentiated into mesenchymal progenitor cells (MPCs), the expression level of OPG was significantly decreased compared to normal hiPSC-derived MPCs. This knock-out hiPSCs will provide a chance to study Paget disease of bone 5 (juvenile Paget disease).
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Affiliation(s)
- Jujin Jeong
- Department of Oral Biochemistry, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea
| | - Dahye Lee
- Department of Oral Biochemistry, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea
| | - Byeong-Cheol Park
- Department of Oral Biochemistry, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea.
| | - Sang-Wook Park
- Department of Oral Biochemistry, School of Dentistry, Chonnam National University, Gwangju 61186, South Korea.
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7
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Yoo SG, Kim MA, Kim JW, Park SW, You YH, Song HK. Performance of a Double RIS Communication System Aided by Partially Active Elements. Sensors (Basel) 2023; 23:6338. [PMID: 37514631 PMCID: PMC10386583 DOI: 10.3390/s23146338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 06/29/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023]
Abstract
Reconfigurable intelligent surface (RIS) has emerged as a promising technology to enhance the spectral efficiency of wireless communication systems. However, if there are many obstacles between the RIS and users, a single RIS may not provide sufficient performance. For this reason, a double RIS-aided communication system is proposed in this paper. However, this system also has a problem: the signal is attenuated three times due to the three channels created by the double RIS. To overcome these attenuations, an active RIS is proposed in this paper. An active RIS is almost the same as a conventional RIS, except for the included amplifier. Comprehensively, the proposed system overcomes various obstacles and attenuations. In this paper, an active RIS is applied to the second RIS. To reduce the power consumption of active elements, a partially active RIS is applied. To optimize the RIS elements, the sum of the covariance matrix is found by using channels related to each RIS, and the right singular vector is exploited using singular value decomposition for the sum of the covariance matrix. Then, the singular value of the sum of the covariance value is checked to determine which element is the active element. Simulation results show that the proposed system has better sum rate performance compared to a single RIS system. Although it has a lower sum rate performance compared to a double RIS with fully active elements, the proposed system will be more attractive in the future because it has much better energy efficiency.
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Affiliation(s)
- Seung-Geun Yoo
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Republic of Korea
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
| | - Min-A Kim
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Republic of Korea
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
| | - Jin-Woo Kim
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Republic of Korea
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
| | - Sang-Wook Park
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Republic of Korea
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
| | - Young-Hwan You
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
- Department of Computer Engineering, Sejong University, Seoul 05006, Republic of Korea
| | - Hyoung-Kyu Song
- Department of Information and Communication Engineering, Sejong University, Seoul 05006, Republic of Korea
- Department of Convergence Engineering for Intelligent Drone, Sejong University, Seoul 05006, Republic of Korea
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Chen Z, Rajamanickam KR, Ding M, Kim SK, Park SW, Kim E, Lee S, Lee TH. Discovery of PMSA Derivative 11 as a Novel Lead Compound for Therapeutic Treatment of Osteoporosis In Vitro and In Vivo. J Med Chem 2023; 66:6766-6781. [PMID: 37151031 DOI: 10.1021/acs.jmedchem.3c00114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
To discover a potent candidate for suppressing mature osteoclasts formation in vitro using a TRAP staining assay. A series of PMSA derivatives were synthesized and evaluated for their bioactivity in our current study. Our results showed that PMSA derivative 11 exhibited the most promising bioactivity, with an IC50 value of 322.9 nM, which was ∼15-fold better than PMSA-3-Ac in suppressing osteoclastogenesis in vitro. Additionally, 11 blocked the formation of F-action belts and bone resorption in a concentration-dependent manner. Mechanistically, 11 decreased the expression of genes required for osteoclastogenesis by blocking NFATc1 translocation from the cytoplasm to nucleus. Furthermore, 11 demonstrated a therapeutic inhibitory effect on the differentiation of human iPSC-derived primary osteoclasts. In vivo investigation showed that 11 prevented excessive osteoclastogenesis-mediated bone loss in ovariectomized osteoporosis mimic mice. These findings highlighted the therapeutic potential of 11 as a lead compound for anti-osteoporosis by targeting NFATc1 translocation.
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Affiliation(s)
- Zhihao Chen
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju 61186, Republic of Korea
| | | | - Mina Ding
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Sang Kyoon Kim
- Preclincial Research Center (PRC), Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI hub), Daegu 41061, Republic of Korea
| | - Sang-Wook Park
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Eunae Kim
- College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea
| | - Sunwoo Lee
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
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Yoon YS, Hwang HJ, Kim JM, Chung KS, Jang SY, Heo SW, Lee SY, Kim SY, Song HA, Hong SJ, An HJ, Park SW, Im JJ, Oh DH, Lee AR, Lee KT. Antinociceptive and anti-inflammatory activity of DW-1021, the ionic complex of pelubiprofen and tramadol, in rodents. Biomed Pharmacother 2023; 163:114708. [PMID: 37121153 DOI: 10.1016/j.biopha.2023.114708] [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: 02/22/2023] [Revised: 04/04/2023] [Accepted: 04/12/2023] [Indexed: 05/02/2023] Open
Abstract
Although drugs such as acetaminophen, opioids, and nonsteroidal anti-inflammatory drugs (NSAIDs), are commonly used for pain management, the side effects of these drugs such as hepatotoxicity, nephrotoxicity, nausea, and vomiting, can not be neglected. Therefore, combinations of analgesics with different mechanisms raise the possibility of developing novel analgesics. Therefore, the aim of the present study was to evaluate whether DW-1021, the ionic complex of pelubiprofen (NSAID) and tramadol (opioid), has synergic antinociceptive and anti-inflammatory effects in nociceptive as well as inflammation-induced nociceptive models compared to pelubiprofen- or tramadol-only administration. Strong synergistic antinociceptive efficacy of DW-1021 was observed in the mouse writhing test and von Frey paw withdrawal threshold test in the carrageenan-induced rats. The hot plate test in mice and the Randall-Selitto mechanical paw pressure test in carrageenan-induced rats revealed that DW-1021 had a preferable effect on relieving pain to pelubiprofen, but not as much as tramadol. In the carrageenan-induced rats, DW-1021 had a more potent effect on reducing paw inflammation (paw volume, width, and thickness) via the suppression of PGE2 production than tramadol, but less than that of pelubiprofen. Taken together, our results suggest that the administration of DW-1021, a combination of pelubiprofen and tramadol, exerted a potent effect and can be used as a potential therapeutic agent for relieving pain and inflammation.
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Affiliation(s)
- Young-Seo Yoon
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Han-Jun Hwang
- Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Min Kim
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Kyung-Sook Chung
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Seo-Yun Jang
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - So-Won Heo
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Su-Yeon Lee
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Soo-Yeon Kim
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyeon-A Song
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Seung-Jae Hong
- Department of Rheumatology, Kyung Hee University College of Medicine, Kyung Hee University Hospital, Seoul, Republic of Korea
| | - Hyo-Jin An
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sang-Wook Park
- Daewon Pharm. Co., Ltd., 520 Cheonhodae-ro, Gwangjin-gu, Seoul 04994, Republic of Korea
| | - Jhong-Jae Im
- Daewon Pharm. Co., Ltd., 520 Cheonhodae-ro, Gwangjin-gu, Seoul 04994, Republic of Korea
| | - Dong-Ho Oh
- Daewon Pharm. Co., Ltd., 520 Cheonhodae-ro, Gwangjin-gu, Seoul 04994, Republic of Korea
| | - Ah-Ram Lee
- Daewon Pharm. Co., Ltd., 520 Cheonhodae-ro, Gwangjin-gu, Seoul 04994, Republic of Korea
| | - Kyung-Tae Lee
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea.
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Lee E, Wi TU, Park J, Park SW, Kim MH, Lee DH, Park BC, Jo C, Malik R, Lee JH, Shin TJ, Kang SJ, Lee HW, Lee J, Seo DH. Nanocomposite Engineering of a High-Capacity Partially Ordered Cathode for Li-Ion Batteries. Adv Mater 2023; 35:e2208423. [PMID: 36600458 DOI: 10.1002/adma.202208423] [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] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/11/2022] [Indexed: 06/17/2023]
Abstract
Understanding the local cation order in the crystal structure and its correlation with electrochemical performances has advanced the development of high-energy Mn-rich cathode materials for Li-ion batteries, notably Li- and Mn-rich layered cathodes (LMR, e.g., Li1.2 Ni0.13 Mn0.54 Co0.13 O2 ) that are considered as nanocomposite layered materials with C2/m Li2 MnO3 -type medium-range order (MRO). Moreover, the Li-transport rate in high-capacity Mn-based disordered rock-salt (DRX) cathodes (e.g., Li1.2 Mn0.4 Ti0.4 O2 ) is found to be influenced by the short-range order of cations, underlining the importance of engineering the local cation order in designing high-energy materials. Herein, the nanocomposite is revealed, with a heterogeneous nature (like MRO found in LMR) of ultrahigh-capacity partially ordered cathodes (e.g., Li1.68 Mn1.6 O3.7 F0.3 ) made of distinct domains of spinel-, DRX- and layered-like phases, contrary to conventional single-phase DRX cathodes. This multi-scale understanding of ordering informs engineering the nanocomposite material via Ti doping, altering the intra-particle characteristics to increase the content of the rock-salt phase and heterogeneity within a particle. This strategy markedly improves the reversibility of both Mn- and O-redox processes to enhance the cycling stability of the partially ordered DRX cathodes (nearly ≈30% improvement of capacity retention). This work sheds light on the importance of nanocomposite engineering to develop ultrahigh-performance, low-cost Li-ion cathode materials.
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Affiliation(s)
- Eunryeol Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Tae-Ung Wi
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Jaehyun Park
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Sang-Wook Park
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Min-Ho Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Dae-Hyung Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Byung-Chun Park
- LG Energy Solution R&D Campus Daejeon, 188, Munji-ro, Yuseong-gu, Daejeon, 34122, Republic of Korea
| | - Chiho Jo
- LG Energy Solution R&D Campus Daejeon, 188, Munji-ro, Yuseong-gu, Daejeon, 34122, Republic of Korea
| | - Rahul Malik
- Office of Energy Research and Development, Natural Resources Canada, Ottawa, ON, K1A 0E4, Canada
| | - Jong Hoon Lee
- UNIST Central Research Facilities (UCRF), UNIST, Ulsan, 44919, Republic of Korea
| | - Tae Joo Shin
- Graduate School of Semiconductor Materials and Devices Engineering & UNIST Central Research Facilities, UNIST, 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Seok Ju Kang
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Hyun-Wook Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
| | - Jinhyuk Lee
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 0C5, Canada
| | - Dong-Hwa Seo
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-Gil, Ulsan, 44919, Republic of Korea
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11
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Ding M, Cho E, Chen Z, Park SW, Lee TH. ( S)-2-(Cyclobutylamino)- N-(3-(3,4-dihydroisoquinolin-2(1 H)-yl)-2-hydroxypropyl)isonicotinamide Attenuates RANKL-Induced Osteoclast Differentiation by Inhibiting NF-κB Nuclear Translocation. Int J Mol Sci 2023; 24:ijms24054327. [PMID: 36901758 PMCID: PMC10002170 DOI: 10.3390/ijms24054327] [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: 01/20/2023] [Revised: 02/15/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Osteoporosis is a common skeletal disease; however, effective pharmacological treatments still need to be discovered. This study aimed to identify new drug candidates for the treatment of osteoporosis. Here, we investigated the effect of EPZ compounds, protein arginine methyltransferase 5 (PRMT5) inhibitors, on RANKL-induced osteoclast differentiation via molecular mechanisms by in vitro experiments. EPZ015866 attenuated RANKL-induced osteoclast differentiation, and its inhibitory effect was more significant than EPZ015666. EPZ015866 suppressed the F-actin ring formation and bone resorption during osteoclastogenesis. In addition, EPZ015866 significantly decreased the protein expression of Cathepsin K, NFATc1, and PU.1 compared with the EPZ015666 group. Both EPZ compounds inhibited the nuclear translocation of NF-κB by inhibiting the dimethylation of the p65 subunit, which eventually prevented osteoclast differentiation and bone resorption. Hence, EPZ015866 may be a potential drug candidate for the treatment of osteoporosis.
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Affiliation(s)
- Mina Ding
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Eunjin Cho
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Zhihao Chen
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Sang-Wook Park
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
- Correspondence:
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12
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Ding M, Chen Z, Cho E, Park SW, Lee TH. Crucial Role of Lysine-Specific Histone Demethylase 1 in RANKL-Mediated Osteoclast Differentiation. Int J Mol Sci 2023; 24:3605. [PMID: 36835016 PMCID: PMC9967819 DOI: 10.3390/ijms24043605] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023] Open
Abstract
Epigenetic regulators are involved in osteoclast differentiation. This study proposes that the inhibitors of epigenetic regulators could be effective in the treatment of osteoporosis. This study identified GSK2879552, a lysine-specific histone demethylase 1 (LSD1) inhibitor, as a candidate for the treatment of osteoporosis from epigenetic modulator inhibitors. We investigate the function of LSD1 during RANKL-induced osteoclast formation. LSD1 small-molecule inhibitors effectively inhibit the RANKL-induced osteoclast differentiation in a dose-dependent manner. LSD1 gene knockout in macrophage cell line Raw 264.7 also inhibits RANKL-mediated osteoclastogenesis. LSD1-inhibitor-treated primary macrophage cells and LSD1 gene knockout Raw 264.7 cells failed to show actin ring formation. LSD1 inhibitors prevent the expression of RANKL-induced osteoclast-specific genes. They also downregulated the protein expression of osteoclast-related markers in osteoclastogeneses, such as Cathepsin K, c-Src, and NFATc1. Although LSD1 inhibitors were shown to reduce the in vitro demethylation activity of LSD1, they did not modulate the methylation of Histone 3 K4 and K9 during osteoclastogenesis. The ovariectomy (OVX)-induced osteoporosis model revealed that GSK2879552 slightly restores OVX-induced cortical bone loss. LSD1 can be employed as a positive regulator to promote osteoclast formation. Hence, inhibition of LSD1 activities is a potential target for preventing bone diseases characterized by excessive osteoclast activities.
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Affiliation(s)
- Mina Ding
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Zhihao Chen
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Eunjin Cho
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Sang-Wook Park
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Republic of Korea
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Lee YH, Kim SM, Kim EK, Park SJ, Lee SC, Park SW, Jeong DS, Chang SA. Pattern of pericardial calcification determines the mid-term postoperative outcome after pericardiectomy in chronic constrictive pericarditis. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1797] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background/Introduction
Although pericardiectomy is an effective treatment of constrictive pericarditis (CP), clinical outcome is not always successful. Pericardial calcification is a unique finding in CP. However, the amount and localization of calcification vary. Computer tomography (CT) can visualize the pericardial calcification with high sensitivity and provide the anatomical assessment.
Purpose
We investigated that how the pattern and amount of pericardial calcification affect the mid-term postoperative outcome after pericardiectomy in CP.
Methods
All of the patients who underwent total pericardiectomy in our hospital from 2010 to 2020 were derived from electrical medical records (n=105). Among them, preoperative CT scans (non-gated non-contrast) of 98 patients were available and, thus, 98 consecutive patients were finally analyzed. Medical records were reviewed in a retrospective manner. Cardiovascular event is defined as cardiovascular death or hospitalization associated with a heart failure symptom and all cause event is defined as all events that require admission. CT scan was analyzed by Aquarius Workstation, and the volume and localization pattern of pericalcification were derived. Pericardium calcium score was given as an Agatston score.
Results
Of 98 patients, 25 (25.5%) patients were hospitalized with heart failure symptom after pericardiectomy. Median follow up duration of patients is 172 weeks. A group with cardiovascular event had higher NYHA grade (P<0.001), lower calcium volume (P=0.004), and lower calcium score (P=0.01). Multivariate cox proportional analysis showed that high ln(calcium score) before pericardiectomy was dependent predictor of cardiovascular event (hazard ratio, 0.90; P=0.04) and all cause event (hazard ratio, 0.91, P=0.04) after pericardiectomy. When we set the cut off value at 7.22, based on ROC curve, there was a significant difference in cardiovascular event between the groups divided by this cutoff value in Kaplan-Meier curve (P=0.002) and multivariate cox proportional analysis (P=0.04). In the subgroup analysis, myocardium invasion and circumferential calcification were more common in the high calcium score group. Idiopathic & tuberculosis pericarditis were more associated with high calcium score group and post-operative pericarditis, other reasons (infection, radiation, etc) were more associated with low calcium group.
Conclusion
Low burden of pericardial calcification was associated high rate of mid-term clinical event after pericardiectomy CP. Preoperative evaluation of pericardial calcification pattern can be used as predictor of postoperative outcomes.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- Y H Lee
- Sungkyunkwan University School of Medicine , Seoul , Korea (Republic of)
| | - S M Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Department of Radiology , Seoul , Korea (Republic of)
| | - E K Kim
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - S J Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - S C Lee
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - S W Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - D S Jeong
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Department of Thoracic and Cardiovascular Surgery , Seoul , Korea (Republic of)
| | - S A Chang
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
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14
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Cha Y, Kim HE, Jeon SB, Park SW, Lee SH, Lee CJ. PCSK9 modulates the Wnt/beta-catenin signaling pathway in myocardial ischemia/reperfusion injury. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2914] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a protein that affects cholesterol homeostasis. Recent research has found that PCSK9 has various effects on the heart that are unrelated to LDL cholesterol regulation. The Wnt/β-catenin signaling pathway plays a crucial role during heart development, and it is re-activated in response to cardiac injury. Low-density lipoprotein receptor-related proteins 5 (LRP5) act as co-receptors of Wnt ligands and are indispensable for Wnt/β-catenin signal transduction. However, it is not fully elucidated whether other members of the LDLR-superfamily may be targets of PCSK9.
Purpose
This study aimed to determine if LRP5 is a PCSK9 target, study the association between PCSK9 and Wnt/β-catenin signaling, and elucidate its effect on myocardial infarction in patients with ischemic cardiomyopathy.
Methods
The expression of Lrp5, phospho-β-catenin, total β-catenin was evaluated by western blot analysis, and the effects of overexpressed PCSK9 were tested under normoxia, hypoxia, or hypoxia/re-oxygenation (H/R) in mouse cardiomyocytes (HL-1). The transcriptional activity of β-catenin was assessed using the TOP-Flash/FOP-Flash luciferase reporter assay. In addition, the impact on various downstream targets of the Wnt/β-catenin signaling pathway was assessed using a quantitative real-time polymerase chain reaction. To examine whether PCSK9 regulates injury of cardiomyocytes in vivo, we subjected transgenic mice with cardiac-specific overexpression of PCSK9 (PCSK9 TG) and wild-type (WT) mice to either sham surgery or ischemia/reperfusion (I/R) surgery.
Results
Under hypoxic conditions, the Wnt/β-catenin signaling pathway-related genes were downregulated in HL-1 cells, as evidenced by lower Lrp5 and active phospho-β-catenin expression levels (0.5-fold, n=3, p<0.01). After H/R, the Wnt/β-catenin-related genes were recovered (1.5-fold, p<0.01) in the control group but not in the PCSK9 overexpressed group. In the luciferase reporter assay results, PCSK9 overexpression inhibited the recovery of β-catenin transcriptional activity after H/R, in contrast to the control group. Furthermore, mRNA levels of Axin2, Cyclin D1, which are the Wnt/β-catenin signaling downstream pathway targets, were down-regulated under hypoxia and recovered after H/R but did not recover in PCSK9 overexpressed cells. In the mouse I/R model, the overall protein levels of the Wnt/β-catenin signaling-related genes were down-regulated in PCSK9 TG mice compared to WT mice after I/R injury.
Conclusions
These results indicated that the regulation of PCSK9 is closely associated with the Wnt/β-catenin signaling pathway which may play a crucial role in damaged cardiomyocytes. It suggests that the regulation of PCSK9 could be a therapeutic target in patients with ischemic cardiomyopathy.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- Y Cha
- Yonsei University College of Medicine, Department of Biochemistry and Molecular Biology , Seoul , Korea (Republic of)
| | - H E Kim
- Yonsei University College of Medicine, Department of Biochemistry and Molecular Biology , Seoul , Korea (Republic of)
| | - S B Jeon
- Yonsei University College of Medicine, Department of Biochemistry and Molecular Biology , Seoul , Korea (Republic of)
| | - S W Park
- Yonsei University College of Medicine, Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Brain Korea 21 , Seoul , Korea (Republic of)
| | - S H Lee
- Yonsei University College of Medicine, Department of Biochemistry and Molecular Biology , Seoul , Korea (Republic of)
| | - C J Lee
- Severance Cardiovascular Hospital, Yonsei University College of Medicine, Division of Cardiology , Seoul , Korea (Republic of)
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15
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Seo SM, Kim SJ, Kwon O, Brilakis ES, Yoon YH, Lee KS, Kim TO, Lee PH, Kang SJ, Kim YH, Lee CW, Park SW, Lee SW. Intravascular ultrasound-guided optimization for chronic total occlusion-percutaneous coronary intervention with multiple drug-eluting stents. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2071] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Multiple stenting in the chronic total occlusion (CTO) lesions is frequently required, however associated with poorer clinical outcomes. It is demonstrated that intravascular ultrasound (IVUS)-guided CTO-percutaneous coronary intervention (PCI) is related to a lower risk of adverse clinical events.
Purpose
We aimed to evaluate the clinical impact of stent optimization under IVUS guidance for multiple stenting, comparing with single stenting.
Methods
A total of 916 patients receiving drug-eluting stent (DES) under IVUS guidance were classified into two groups (stent optimization and non-optimization) according to optimization criteria (an absolute expansion criteria; minimal stent area ≥4.9 mm2 and a relative expansion criteria; 80% of mean reference lumen area). Of total population, 314 patients (34.3%) were treated with single stent and 575 patients (62.7%) were treated with multiple stents, respectively. Ischemic-driven target-lesion revascularization (TLR)/reocclusion was evaluated.
Results
Under IVUS guidance, 316 patients (34.5%) met IVUS criteria for stent optimization The achieving rates were 53% in the single stent group and 24% in the multiple stents group, respectively, (p<0.001). During a median of 4.7 years, the multiple stent group showed a significantly higher TLR/reocclusion rate, compared with the single stent group (12.8% vs. 5.2%, adjusted hazard ratio [HR] 2.51, 95% confidence interval [CI] 1.20–5.25, p=0.01). (Figure 1) Meeting both the absolute and relative expansion criteria was associated with a significantly low rate of TLR/reocclusion rate (12.5% vs. 5.2%, adjusted HR 0.34, 95% CI: 0.15–0.79, p=0.01). Under IVUS-guidance, there was no significant difference between multiple stenting and single stenting in case of achieving the optimization criteria (6.5% vs. 4.2%, p=0.11), whereas non-optimization group in the patients with multiple stenting showed a significantly higher rate of TLR/reocclusion, compared with IVUS-optimization group in the patients with single stenting (14.5% vs. 4.2%, p=0.002). (Figure 2)
Conclusions
In CTO-PCI with DES, multiple stenting significantly increased the risk of TLR/reocclusion. IVUS-guided optimization for multiple stenting showed a comparable long-term risk of TLR/reocclusion to single stenting with IVUS optimization. Hence, achieving IVUS expansion criteria may help to reduce the risk of TLR/reocclusion in CTO-PCI with multiple DES overlapping.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- S M Seo
- Eunpyeoung St. Mary's Hospital, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - S J Kim
- Eunpyeoung St. Mary's Hospital, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - O Kwon
- Eunpyeoung St. Mary's Hospital, Division of Cardiology, Department of Internal Medicine , Seoul , Korea (Republic of)
| | - E S Brilakis
- Minneapolis Heart Institute Foundation , Minneapolis , United States of America
| | - Y H Yoon
- Sejong Chungnam National University Hospital , Sejong , Korea (Republic of)
| | - K S Lee
- Daejeon St. Mary's Hospital , Daejeon , Korea (Republic of)
| | - T O Kim
- Asan Medical Center , Seoul , Korea (Republic of)
| | - P H Lee
- Asan Medical Center , Seoul , Korea (Republic of)
| | - S J Kang
- Asan Medical Center , Seoul , Korea (Republic of)
| | - Y H Kim
- Asan Medical Center , Seoul , Korea (Republic of)
| | - C W Lee
- Asan Medical Center , Seoul , Korea (Republic of)
| | - S W Park
- Asan Medical Center , Seoul , Korea (Republic of)
| | - S W Lee
- Asan Medical Center , Seoul , Korea (Republic of)
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16
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Lozano Torres J, Sambola A, Magne J, Olmos C, Ternacle J, Calvo F, Tribouilloy C, Reskovic Luksic V, Separovic-Hanzevacki J, Park SW, Cam Bekkers S, Chan KL, Iung B, Lancellotti P, Habib G. Risk calculator to predict 30-day mortality in left-sided infective endocarditis. The EURO-ENDO score. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1662] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background/Introduction
Infective endocarditis (IE) is associated with high in-hospital mortality, despite improvements in therapeutic strategies. Nonetheless, there is no prospective risk model to estimate IE mortality.
Purpose
We sought to develop and validate a calculator to predict 30-day mortality risk regarding to perform surgery or medical treatment alone in left-sided IE.
Methods
This is a prospective, multicenter registry that included patients between January 2016 and March 2018 with a diagnosis of IE based on ESC 2015 diagnostic criteria. Patients with possible or definite left-sided IE were included in the analyses. Clinical, biological, microbiological and imaging data were collected. The primary end point was 30-day mortality in patients with left-sided IE. The risk calculator was based on multivariable Cox regression models. The accuracy of the logistic regression models was assessed by discrimination and calibration using C-statistic and Hosmer-Lemeshow test.
Results
Among 3116 patients included, 2171 patients presented left-sided IE and 257 patients (11.8%) died during the first 30 days of IE diagnosis. After multivariable Logistic regression analysis, eleven variables were associated with 30-days mortality and were included in the calculator: previous cardiac surgery, previous stroke/TIA, creatinine >2 mg/dL, S. aureus infection, embolic events on admission, heart failure or cardiogenic shock, vegetation size >14 mm, presence of abscess, severe regurgitation, double left-sided IE and no left valve surgery. There was an excellent correlation between the predicted 30-days mortality in both models with or without performing left valve surgery (area under the receiver operator curve: 0.798 and 0.758, respectively). Moreover, calibration by Hosmer-Lemeshow were 0.085 and 0.09, respectively).
Conclusion(s)
Our risk score in patients with left-sided IE provides an accurate individualized estimation of 30-day mortality according to perform or not perform left-valve surgery. It allows medical professionals to determine whether submitting patients to surgery or not, and thus improve their prognosis.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
| | - A Sambola
- Hospital Universitari Vall d?Hebron , Barcelona , Spain
| | - J Magne
- Dupuytren University Hospital Centre Limoges, Cardiologie , Limoges , France
| | - C Olmos
- Hospital Clinico San Carlos , Madrid , Spain
| | - J Ternacle
- University Hospital Henri Mondor , Creteil , France
| | - F Calvo
- Hospital do Meixoeiro, Cardiología , Vigo , Spain
| | | | | | | | - S W Park
- Samsung Medical Center , Seoul , Korea (Republic of)
| | - S Cam Bekkers
- Maastricht University Medical Centre (MUMC) , Maastricht , The Netherlands
| | - K L Chan
- University of Ottawa, Heart Institute , Ontario , Canada
| | - B Iung
- Bichat Hospital, University Paris-Diderot, INSERM-UMR1148, FACT French Alliance for Cardiovascular T , Paris , France
| | - P Lancellotti
- University Hospital of Liege (CHU), GIGA Cardiovascular Sciences , Liege , Belgium
| | - G Habib
- Hospital La Timone of Marseille , Marseille , France
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17
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Kim MS, Jeon KN, Lee SC, Yang JH, Kim EK, Park SJ, Park SW, Chang SA. Role of combined exercise stress echocardiography and cardiopulmonary exercise test in chronic thromboembolic disease. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1879] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Chronic thromboembolic pulmonary disease (CTEPD) without pulmonary hypertension could cause significant exercise limitations. However, interventional or surgical treatments for CTEPD with mild pulmonary hypertension or normal pressure are on controversy.
Purpose
We aimed to evaluate cardiopulmonary function through cardiopulmonary exercise test (CPET) with stress echocardiography and to determine whether exercise pulmonary hypertension can explain exercise limitations in CTEPD patients with mPAP <30mmHg.
Methods
Patients diagnosed as CTEPD with mPAP less than 30mmHg was derived from our pulmonary hypertension center registry from April 2014 to October 2021.Transthoracic echocardiography (TTE) was performed at baseline (resting state) and immediately after CPET. TTE derived parameters and CPET parameters were compared with hemodynamic parameters measured by right catheterization.
Results
Total 37 patients were enrolled. Of these, Thirty-five patients had previously been diagnosed with CTEPH and had undergone PEA, BPA, or both. Most of the patients complained dyspnea of WHO functional class II or III. Pulmonary vascular resistance (PVR) was slightly higher than normal (185.0±102.2 dyne sec cm–5). Also VO2max was decreased in CPET (23.1±6.5 mL/kg/min). In correlation analysis, the higher the mPAP and PVR at rest, the lower VO2max during exercise. Meanwhile basal right ventricular (RV) function was normal, an increase in RVSP was notably observed during exercise (RVSP: pre-exercise 36.2±11.9, post-exercise 60.7±19.3, p value <0.001). Furthermore RV function deteriorated during exercise (TAPSE: pre-exercise 16.1±4.8, post-exercise 12.9±5.0, p value <0.001).
Conclusions
CTEPD patients with mild or normal PAP showed limited exercise capacity with exercise induced hypertension. Even in the mPAP less than 30mmHg, PVR and mPAP was significantly associated with exercise capacity. CPET with stress echocardiography could help to identify the main cause of exercise limitation in CTEPD patients and possibly provide the guideline for treatment plan.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M S Kim
- Samsung Changwon Hospital , Changwon , Korea (Republic of)
| | - K N Jeon
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
| | - S C Lee
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
| | - J H Yang
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
| | - E K Kim
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
| | - S J Park
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
| | - S W Park
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
| | - S A Chang
- Samsung Medical Center, Cardiology , Seoul , Korea (Republic of)
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18
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Cho E, Cheon S, Ding M, Lim K, Park SW, Park C, Lee TH. Identification of Novel Genes for Cell Fusion during Osteoclast Formation. Int J Mol Sci 2022; 23:ijms23126421. [PMID: 35742859 PMCID: PMC9224196 DOI: 10.3390/ijms23126421] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/07/2022] [Accepted: 06/07/2022] [Indexed: 12/04/2022] Open
Abstract
Osteoclasts are derived from hematopoietic stem cells. Monocyte preosteoclasts obtain resorbing activity via cell–cell fusion to generate multinucleated cells. However, the mechanisms and molecules involved in the fusion process are poorly understood. In this study, we performed RNA sequencing with single nucleated cells (SNCs) and multinucleated cells (MNCs) to identify the fusion-specific genes. The SNCs and MNCs were isolated under the same conditions during osteoclastogenesis with the receptor activator of nuclear factor-κB ligand (RANKL) administration. Based on this analysis, the expression of seven genes was found to be significantly increased in MNCs but decreased in SNCs, compared to that in bone marrow-derived macrophages (BMMs). We then generated knockout macrophage cell lines using a CRISPR-Cas9 genome-editing tool to examine their function during osteoclastogenesis. Calcrl-, Marco-, or Ube3a-deficient cells could not develop multinucleated giant osteoclasts upon RANKL stimulation. However, Tmem26-deficient cells fused more efficiently than control cells. Our findings demonstrate that Calcrl, Marco, and Ube3a are novel determinants of osteoclastogenesis, especially with respect to cell fusion, and highlight potential targets for osteoporosis therapy.
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Affiliation(s)
- Eunjin Cho
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Korea; (E.C.); (S.-W.P.)
| | - Seongmin Cheon
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Korea; (S.C.); (C.P.)
- Proteomics Core Facility, Biomedical Research Institute, Seoul National University Hospital, Seoul 03080, Korea
| | - Mina Ding
- Biomedical Sciences Graduate Program, School of Medical, Chonnam National University, Gwangju 61186, Korea;
| | - Kayeong Lim
- Center for Genome Engineering, Institute for Basic Science, Daejeon 34126, Korea;
| | - Sang-Wook Park
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Korea; (E.C.); (S.-W.P.)
| | - Chungoo Park
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Korea; (S.C.); (C.P.)
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Korea; (E.C.); (S.-W.P.)
- Correspondence:
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19
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Xu S, Liao Z, Dianat A, Park SW, Addicoat MA, Fu Y, Pastoetter DL, Fabozzi FG, Liu Y, Cuniberti G, Richter M, Hecht S, Feng X. Combination of Knoevenagel Polycondensation and Water-Assisted Dynamic Michael-Addition-Elimination for the Synthesis of Vinylene-Linked 2D Covalent Organic Frameworks. Angew Chem Int Ed Engl 2022; 61:e202202492. [PMID: 35253336 PMCID: PMC9401016 DOI: 10.1002/anie.202202492] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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: 02/15/2022] [Indexed: 12/16/2022]
Abstract
Vinylene‐linked two‐dimensional conjugated covalent organic frameworks (V‐2D‐COFs), belonging to the class of two‐dimensional conjugated polymers, have attracted increasing attention due to their extended π‐conjugation over the 2D backbones associated with high chemical stability. The Knoevenagel polycondensation has been demonstrated as a robust synthetic method to provide cyano (CN)‐substituted V‐2D‐COFs with unique optoelectronic, magnetic, and redox properties. Despite the successful synthesis, it remains elusive for the relevant polymerization mechanism, which leads to relatively low crystallinity and poor reproducibility. In this work, we demonstrate the novel synthesis of CN‐substituted V‐2D‐COFs via the combination of Knoevenagel polycondensation and water‐assisted dynamic Michael‐addition‐elimination, abbreviated as KMAE polymerization. The existence of C=C bond exchange between two diphenylacrylonitriles (M1 and M6) is firstly confirmed via in situ high‐temperature NMR spectroscopy study of model reactions. Notably, the intermediate M4 synthesized via Michael‐addition can proceed the Michael‐elimination quantitatively, leading to an efficient C=C bond exchange, unambiguously confirming the dynamic nature of Michael‐addition‐elimination. Furthermore, the addition of water can significantly promote the reaction rate of Michael‐addition‐elimination for highly efficient C=C bond exchange within 5 mins. As a result, the KMAE polymerization provides a highly efficient strategy for the synthesis of CN‐substituted V‐2D‐COFs with high crystallinity, as demonstrated by four examples of V‐2D‐COF‐TFPB‐PDAN, V‐2D‐COF‐TFPT‐PDAN, V‐2D‐COF‐TFPB‐BDAN, and V‐2D‐COF‐HATN‐BDAN, based on the simulated and experimental powder X‐ray diffraction (PXRD) patterns as well as N2‐adsorption–desorption measurements. Moreover, high‐resolution transmission electron microscopy (HR‐TEM) analysis shows crystalline domain sizes ranging from 20 to 100 nm for the newly synthesized V‐2D‐COFs.
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Affiliation(s)
- Shunqi Xu
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany.,Department of Synthetic Materials and Functional Devices, Max-Planck Institute of Microstructure Physics, 06120, Halle, Germany
| | - Zhongquan Liao
- Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), 01109, Dresden, Germany
| | - Arezoo Dianat
- Chair of Material Science and Nanotechnology, Faculty of Mechanical Science and Engineering, Technische Universität Dresden, Hallwachstraße 3, 01069, Dresden, Germany
| | - Sang-Wook Park
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany.,Leibniz-Institute for Polymer Research Dresden e.V. (IPF), 01069, Dresden, Germany
| | - Matthew A Addicoat
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK
| | - Yubin Fu
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany
| | - Dominik L Pastoetter
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany
| | - Filippo Giovanni Fabozzi
- DWI-Leibniz Institute for Interactive Materials & Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074, Aachen, Germany
| | - Yannan Liu
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany
| | - Gianaurelio Cuniberti
- Chair of Material Science and Nanotechnology, Faculty of Mechanical Science and Engineering, Technische Universität Dresden, Hallwachstraße 3, 01069, Dresden, Germany
| | - Marcus Richter
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany
| | - Stefan Hecht
- DWI-Leibniz Institute for Interactive Materials & Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074, Aachen, Germany
| | - Xinliang Feng
- Chair of Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01069, Dresden, Germany.,Department of Synthetic Materials and Functional Devices, Max-Planck Institute of Microstructure Physics, 06120, Halle, Germany
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20
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Lee TH, Park SW, Ryu S, Cho KJ, Won SJ, Park JJ. Two cases of extraluminal migration of fishbones into the thyroid gland and submandibular gland. Ear Nose Throat J 2022:1455613221098787. [PMID: 35487204 DOI: 10.1177/01455613221098787] [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] [Indexed: 11/16/2022] Open
Abstract
Laryngopharyngeal or cervical pain following ingestion of foreign bodies is one of the most frequently encountered emergencies in otolaryngologic practice. Although most of these foreign bodies can be easily removed under laryngoscopic examination without any complications, surgical removal may be required when foreign bodies migrate extraluminally. This report describes two rare cases of ingested fishbones that had migrated, one each to the thyroid gland and submandibular gland. Extraluminal migration fishbones should always be considered in otolaryngologic clinics.
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Affiliation(s)
- Tae-Hun Lee
- Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, 90162Gyeongsang National University Hospital, Jinju, Korea
| | - Sang-Wook Park
- Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, 90162Gyeongsang National University Hospital, Jinju, Korea
| | - Somi Ryu
- Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, 90162Gyeongsang National University Hospital, Jinju, Korea
| | - Ki Ju Cho
- Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, 90162Gyeongsang National University Hospital, Jinju, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
| | - Seong Jun Won
- Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, 90162Gyeongsang National University Hospital, Jinju, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
| | - Jung Je Park
- Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, 90162Gyeongsang National University Hospital, Jinju, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
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21
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Kwon KC, Won JG, Seo JH, Kwon OS, Kim EH, Kim MS, Park SW. The Effects of Arginine Glutamate (RE:pair) on Wound Healing and Skin Elasticity Improvement After CO 2 Laser Irradiation. J Cosmet Dermatol 2022; 21:5037-5048. [PMID: 35384260 DOI: 10.1111/jocd.14957] [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: 12/01/2021] [Revised: 02/11/2022] [Accepted: 03/28/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Glutamic acid is known to be effective for keratinocyte proliferation, but its dermatological application is limited due to its poor solubility in water and various solvents. AIM Here, the efficacy of the arginine glutamate ion pair (named as RE:pair) for recovering damaged skin and improving skin elasticity was investigated through the analysis of keratinocyte proliferation and collagen synthesis. METHODS Following the structural analysis of RE:pair using spectroscopic methods, a scratch assay, and Pro-Collagen I ELISA, skin tissue changes in wound-induced artificial skin, changes in wound area after laser wound induction, and the sensory evaluation of skin improvement were investigated. RESULTS As a result of scratch assay, wound recovery of 94.55±9.57% was confirmed at 10 ppm RE:pair treatment. When evaluation of expression efficacy of procollagen type I, it was found that the expression rate was increased by 32.47±5.62% compared to the control group. Further, the upregulation of the proliferation marker Ki-67 and filaggrin expression in the damage-induced artificial skin was verified. Clinically, the improvement was subjectively verified in terms of the reduction of the wound area, the restoration of the barrier, the improvement of skin elasticity, and through the sensory experience of skin improvement. CONCLUSION RE:pair shows a greater therapeutic effect than the individual effects of its constituent amino acids and those of the simple mixtures of these compounds. RE:pair exerts its therapeutic action by promoting the proliferation of keratinocytes and enhancing collagen synthesis in fibroblasts. Accordingly, it can be used throughout the cosmetic industry as an effective amino acid wound healing and skin elasticity improving material.
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Affiliation(s)
- Koo Chul Kwon
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
| | - Jong Gu Won
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
| | - Ji Hyun Seo
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
| | - Oh Sun Kwon
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
| | - Eun Hye Kim
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
| | - Mi-Sun Kim
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
| | - Sang-Wook Park
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, 70 Magokjungang 10-ro Gangseo-gu, Seoul, 07795, Republic of Korea
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22
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Naberezhnyi D, Park S, Li W, Westphal M, Feng X, Dong R, Dementyev P. Mass Transfer in Boronate Ester 2D COF Single Crystals. Small 2021; 17:e2104392. [PMID: 34713582 DOI: 10.1002/smll.202104392] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/05/2021] [Indexed: 06/13/2023]
Abstract
Unlike graphene and similar structures, 2D covalent organic frameworks (2D COFs) exhibit intrinsic porosity with a high areal density of well-defined and uniform openings. Given the pore size adjustability, 2D COFs are likely to outperform artificially perforated inorganic layers with respect to their prospects in membrane separation. Yet, exploring the mass transport in 2D COFs is hidden by the lack of laterally extended free-standing membranes. This work reports on direct molecular permeation measurements with single crystals of an interfacially synthesized boronate ester 2D COF. In accordance with the material topography, the atmospheric and noble gases readily pass the suspended nanosheets while their areal porosity is quantified to be almost 40% exceeding that in any 2D membranes known. However, bulkier aromatic hydrocarbons are found to deviate substantially from Graham's law of diffusion. Counterintuitively, the permeation rate is demonstrated to rise from benzene to toluene and further to xylene despite the increase in the molecular mass and dimensions. The results are interpreted in terms of adsorption-mediated flow that appears to be an important transport mechanism for microporous planar nanomaterials.
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Affiliation(s)
- Daniil Naberezhnyi
- Physics of Supramolecular Systems and Surfaces, Faculty of Physics, Bielefeld University, 33615, Bielefeld, Germany
| | - SangWook Park
- Center for Advancing Electronics Dresden, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Wei Li
- Center for Advancing Electronics Dresden, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Michael Westphal
- Physics of Supramolecular Systems and Surfaces, Faculty of Physics, Bielefeld University, 33615, Bielefeld, Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Renhao Dong
- Center for Advancing Electronics Dresden, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Petr Dementyev
- Physics of Supramolecular Systems and Surfaces, Faculty of Physics, Bielefeld University, 33615, Bielefeld, Germany
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23
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Sambola A, Lozano Torres J, Olmos C, Ternacle J, Calvo-Iglesias FE, Tribouilloy C, Reskovic Luksic V, Separovic-Hanzevacki J, Park SW, Bekkers S, Chan KL, Arregle F, Lung B, Lancellotti P, Habib G. Predictors of mortality in patients with left-side infective endocarditis, the ESC-EORP EURO-ENDO registry. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1716] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background/Introduction
Infective endocarditis (IE) is associated with high in-hospital mortality, ranging from 16% to 25%, despite improvement in diagnostic and therapeutic strategies, mainly due to complications and heterogeneity of the disease. Baseline risk stratification is essential, in order to focus an aggressive management toward high-risk patients.
Purpose
We sought to assess the association between surgery and 30-day mortality rate as related to vegetation size.
Methods
The ESC-EORP EURO-ENDO registry is a prospective multicentre observational study of patients presenting with definite or possible IE in Europe and ESC-affiliated/non-affiliated countries. Patients were included from January 2016 to 31 March 2018 in 156 centers from 40 countries. Clinical data, blood test analysis and multi-modality imaging tests (echocardiography, computed tomography, PET-CT, magnetic resonance) were collected. Primary endpoint was 30-day mortality. Multivariable logistic regression analysis was performed to assess variables associated with 30-day mortality. Besides, univariable analysis was performed to assess best vegetation size cut-off related to 30-day mortality.
Results
Among 2171 patients with left-side IE, 257 patients (11.8%) died during the first 30 days of IE diagnosis. Patient characteristics and univariable analysis are summarized in TABLE 1. Cut-off value for best vegetation size related to 30-day mortality was vegetation length >14mm, with a HR =2.00 (95% CI 1.59–2.51, p<0.0001) and a Harrell's Concordance of 0.58. After multivariable logistic regression analysis, factors associated with 30-day mortality risk were: vegetation size >14mm (OR =2.68, 95% CI [1.96–3.67], p<0.0001), previous stroke or transient ischemic attack (TIA) (OR =1.60, 95% CI [1.07–2.40], p=0.0235), creatinine >2mg/dL (OR =2.45, 95% CI [1.73–3.47], p<0.0001), presence of embolic events (OR =2.64, 95% CI [1.86–3.74], p<0.0001), hemorrhagic stroke (OR=3.71, 95% CI [1.80–7.64], p=0.0004), presence of heart failure or cardiogenic shock (OR =3.50, 95% CI [2.57–4.77], p<0.0001) and no cardiac surgery during the event (OR =4.07, 95% CI [2.93–5.67], p<0.0001). The C-statistic of the logistic model to predict 30-day mortality was 0.795.
Conclusion
Left-side infective endocarditis had a high 30-day mortality rate (11.8%). Presence of a large vegetation size (>14mm), embolic events, hemorrhagic stroke, renal failure, presence of heart failure or cardiogenic shock were associated with an increase in 30-day mortality. Performing cardiac surgery had a protective effect.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): ESC-EORP EURO-ENDO project from the ESC society
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Affiliation(s)
- A Sambola
- University Hospital Vall d'Hebron, Cardiology, Barcelona, Spain
| | - J Lozano Torres
- University Hospital Vall d'Hebron, Cardiology, Barcelona, Spain
| | - C Olmos
- Hospital Clinico San Carlos, Madrid, Spain
| | - J Ternacle
- Henri Mondor University Hospital Chenevier APHP, Creteil, France
| | | | | | | | | | - S W Park
- Asan Medical Center, Seoul, Korea (Republic of)
| | - S Bekkers
- Maastricht University Medical Centre (MUMC), Maastricht, Netherlands (The)
| | - K L Chan
- Addenbrooke's Hospital, Cambridge, United Kingdom
| | - F Arregle
- APHM La Timone Hospital, Marseille, France
| | - B Lung
- Bichat Hospital, University Paris-Diderot, INSERM-UMR1148, FACT French Alliance for Cardiovascular T, Paris, France
| | | | - G Habib
- APHM La Timone Hospital, Marseille, France
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24
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Sambola A, Lozano Torres J, Olmos C, Ternacle J, Calvo-Iglesias FE, Tribouilloy C, Reskovic Luksic V, Separovic-Hanzevacki J, Park SW, Bekkers S, Chan KL, Arregle F, Lung B, Lancellotti P, Habib G. Predictors of mortality in patients with right-side and cardiac device-related infective endocarditis, the esc-eorp euro-endo registry. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1717] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background/Introduction
Mortality in right-sided infective endocarditis (RSIE) and cardiac device-related IE (CDRIE) rates have increased mainly due derived complications and heterogeneity of the disease. A better understanding of associated risk factors to mortality in these entities are required in order to develop an efficient therapy.
Purpose
The aim of this study was to assess 30-day mortality rate and variables associated in RSIE and CDRIE.
Methods
The ESC-EORP EURO-ENDO registry is a prospective multicenter observational study of patients presenting with definite or possible IE in Europe and ESC-affiliated/non-affiliated countries. Patients were included from January 2016 to 31 March 2018 in 156 centers from 40 countries. Clinical data, blood test analysis and multi-modality imaging tests (echocardiography, computed tomography, PET-CT, magnetic resonance) were collected. Primary endpoint was 30-day mortality. Univariable analysis was performed to assess variables associated with 30-day mortality.
Results
Among 269 patients with RSIE, 24 patients (9.8%) died during the first 30-day of IE diagnosis. Cut-off value for best vegetation size related to 30-day mortality was vegetation length >19mm, with a HR = 2.88 (95% CI 1.26–6.58, p=0.01) and a Harrell's Concordance of 0.632. Factors associated with 30-days mortality by univariable analysis were: vegetation size >19mm (OR = 2.99, 95% CI [1.31–6.84], p=0.009), previous stroke or transient ischemic attack (OR = 5.10, 95% CI [1.19–21.88], p=0.029), HIV infection (OR = 3.52, 95% CI [1.03–12.10], p=0.046), chronic renal failure (OR = 2.66, 95% CI [1.06–6.71], p=0.038), congestive heart failure at admission (OR = 2.34, 95% CI [1.00–5.47], p=0.050) and severe regurgitation (OR = 3.77, 95% CI [1.56–9.09], p=0.003).
On the other side, among the 227 patients with CDRIE, 24 patients (8.8%) died during the first 30-day of IE diagnosis. Factors associated with an increase in 30-day mortality by univariate analysis were: age per 10 years (OR = 1.49, 95% CI [1.02–2.18], p=0.039), heart failure history (OR = 3.88, 95% CI [1.39–10.80], p=0.009), congestive heart failure on admission (OR = 5.80, 95% CI [2.31–14.55], p<0.001) and cardiogenic shock on admission (OR = 13.37, 95% CI [3.75–47.64], p<0.001). An increase in left ventricular ejection fraction (LVEF) per 10% was a protective factor (OR = 0.66, 95% CI [0.49–0.90], p=0.008).
Conclusions
Patients with RSIE and CDRIE had a not negligible 30-day mortality rate (9.8% and 8.8%, respectively). Factors associated with RSIE and CDRIE mortality are different; while in the right side location, the mortality was related with vegetation size and comorbidities, in the case of CDRIE, the mortality was mainly associated to the presence of heart failure.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): Euro-Endo registry by European Society of Cardiology
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Affiliation(s)
- A Sambola
- University Hospital Vall d'Hebron, Cardiology, Barcelona, Spain
| | - J Lozano Torres
- University Hospital Vall d'Hebron, Cardiology, Barcelona, Spain
| | - C Olmos
- Hospital Clinico San Carlos, Madrid, Spain
| | - J Ternacle
- University Hospital Henri Mondor, Creteil, France
| | | | | | | | | | - S W Park
- Asan Medical Center, Seoul, Korea (Republic of)
| | - S Bekkers
- Maastricht University Medical Centre (MUMC), Maastricht, Netherlands (The)
| | - K L Chan
- Asan Medical Center, Seoul, Korea (Republic of)
| | - F Arregle
- APHM La Timone Hospital, Marseille, France
| | - B Lung
- Bichat Hospital, University Paris-Diderot, INSERM-UMR1148, FACT French Alliance for Cardiovascular T, Paris, France
| | | | - G Habib
- APHM La Timone Hospital, Marseille, France
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25
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Jeon H, Kwon TG, Shin YW, Cho Y, Yang H, Park SW, Song YS. Improving and evaluating the adhesion and stability of make-up by enhancing the affinity between skin/make-up layer. Skin Res Technol 2021; 28:84-88. [PMID: 34455650 PMCID: PMC9907639 DOI: 10.1111/srt.13095] [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: 11/30/2020] [Accepted: 07/31/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE upMake-up clumps, bumps and collapses are the three factors that determine how well make-up has been performed. The purpose of this study is to reduce the three factors mentioned above by using amphiphilic substances to increase the affinity between the skin and the make-up layer. In addition, it aims to evaluate the improvement of the make-up layer by developing an objective make-up layer evaluation method. METHODS Experiments were performed in an attempt to increase the affinity between the skin and the make-up layer by minimizing the difference in surface energy between the two. Multiple types of artificial skin (leather and bio-skin) were used and treated to form the liquid foundation layer. Qualitative evaluation of the make-up layer was conducted by analyzing the surface, cross-section, and fracture area of the make-up layer, using the evaluation method proposed in this study. RESULTS After applying this method and taking measurements by 3D surface analysis, the surface roughness of the make-up layer reduced by 46%, and the maximum thickness of the make-up layer reduced by about 50% in comparison with the control group (method not applied). In the case of the make-up layer to which this method was applied, two-dimensional cross-sectional Scanning Electron Microscope (SEM) image analysis confirmed that agglomeration was reduced, and the thickness of the make-up layer was also reduced by an average of 54%. According to this result, the technique of increasing the affinity between the skin and the make-up layer reduces the level of aggregation of make-up and encourages the formation of a uniform and thin make-up layer. Also, the fracture area after motion simulation was reduced by 33%. These results indicate that the method of increasing the affinity between skin/make-up membranes positively affects the formation of a uniform make-up layer. CONCLUSION Increasing the affinity by reducing the surface energy between the skin and the make-up layer plays an important role in forming a thin and uniform make-up layer by improving the problems of lifting, agglomeration, and collapse of the make-up. In addition, it has been confirmed that through this method, the quality of consumer experience related to make-up satisfaction can be improved. The results show that objective analyses of make-up help the understanding of the quality of consumer experience on make-up.
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Affiliation(s)
- Hyungjoon Jeon
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
| | - Tae Geun Kwon
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
| | - Yong Won Shin
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
| | - Yeeun Cho
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
| | - Hyunmi Yang
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
| | - Sang-Wook Park
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
| | - Young-Sook Song
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea
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26
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Wang Z, Walter LS, Wang M, Petkov PS, Liang B, Qi H, Nguyen NN, Hambsch M, Zhong H, Wang M, Park S, Renn L, Watanabe K, Taniguchi T, Mannsfeld SCB, Heine T, Kaiser U, Zhou S, Weitz RT, Feng X, Dong R. Interfacial Synthesis of Layer-Oriented 2D Conjugated Metal-Organic Framework Films toward Directional Charge Transport. J Am Chem Soc 2021; 143:13624-13632. [PMID: 34342992 DOI: 10.1021/jacs.1c05051] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development of layer-oriented two-dimensional conjugated metal-organic frameworks (2D c-MOFs) enables access to direct charge transport, dial-in lateral/vertical electronic devices, and the unveiling of transport mechanisms but remains a significant synthetic challenge. Here we report the novel synthesis of metal-phthalocyanine-based p-type semiconducting 2D c-MOF films (Cu2[PcM-O8], M = Cu or Fe) with an unprecedented edge-on layer orientation at the air/water interface. The edge-on structure formation is guided by the preorganization of metal-phthalocyanine ligands, whose basal plane is perpendicular to the water surface due to their π-π interaction and hydrophobicity. Benefiting from the unique layer orientation, we are able to investigate the lateral and vertical conductivities by DC methods and thus demonstrate an anisotropic charge transport in the resulting Cu2[PcCu-O8] film. The directional conductivity studies combined with theoretical calculation identify that the intrinsic conductivity is dominated by charge transfer along the interlayer pathway. Moreover, a macroscopic (cm2 size) Hall-effect measurement reveals a Hall mobility of ∼4.4 cm2 V-1 s-1 for the obtained Cu2[PcCu-O8] film. The orientation control in semiconducting 2D c-MOFs will enable the development of various optoelectronic applications and the exploration of unique transport properties.
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Affiliation(s)
- Zhiyong Wang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
| | - Lisa S Walter
- I. Physical Institute, Faculty of Physics, Georg-August-University Göttingen, 37077 Göttingen, Germany.,Physics of Nanosystems, Department of Physics, Ludwig-Maximilians-University München, 80799 Munich, Germany
| | - Mao Wang
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research, 01328 Dresden, Germany
| | - Petko St Petkov
- Faculty of Chemistry and Pharmacy, University of Sofia, 1164 Sofia, Bulgaria
| | - Baokun Liang
- Central Facility for Electron Microscopy, Electron Microscopy of Materials Science Central, Facility for Electron Microscopy, Ulm University, 89081 Ulm, Germany
| | - Haoyuan Qi
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany.,Central Facility for Electron Microscopy, Electron Microscopy of Materials Science Central, Facility for Electron Microscopy, Ulm University, 89081 Ulm, Germany
| | - Nguyen Ngan Nguyen
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
| | - Mike Hambsch
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062 Dresden, Germany
| | - Haixia Zhong
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
| | - Mingchao Wang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
| | - SangWook Park
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
| | - Lukas Renn
- I. Physical Institute, Faculty of Physics, Georg-August-University Göttingen, 37077 Göttingen, Germany.,Physics of Nanosystems, Department of Physics, Ludwig-Maximilians-University München, 80799 Munich, Germany
| | - Kenji Watanabe
- National Institute for Materials Science, 305-0047 Tsukua, Japan
| | | | - Stefan C B Mannsfeld
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062 Dresden, Germany
| | - Thomas Heine
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf, Institute of Resource Ecology, Leipzig Research Branch, 04316 Leipzig, Germany.,Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722 Korea
| | - Ute Kaiser
- Central Facility for Electron Microscopy, Electron Microscopy of Materials Science Central, Facility for Electron Microscopy, Ulm University, 89081 Ulm, Germany
| | - Shengqiang Zhou
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research, 01328 Dresden, Germany
| | - Ralf Thomas Weitz
- I. Physical Institute, Faculty of Physics, Georg-August-University Göttingen, 37077 Göttingen, Germany.,Physics of Nanosystems, Department of Physics, Ludwig-Maximilians-University München, 80799 Munich, Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany.,Max Planck Institute for Microstructure Physics, Weinberg 2, Halle (Saale), D-06120 Germany
| | - Renhao Dong
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
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Kwon J, Park S, Sakamoto M, Mito K. The Effects of Vibratory Frequency and Temporal Interval on Tactile Apparent Motion. IEEE Trans Haptics 2021; 14:675-679. [PMID: 33439848 DOI: 10.1109/toh.2021.3051388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Vibrotactile stimuli can be used to generate the haptic sensation of a static object or the motion of a dynamic object. Here, in this article, we investigated the effects of vibratory frequency and temporal interval on tactile apparent motion. In the experiment, we examined the effect of vibratory frequency with different temporal intervals on tactile apparent motion that results from two successive tactile stimuli on the index fingerpad. Results indicated that tactile apparent motion was perceived not only when both stimuli were either "flutter" or "vibration" stimuli, but also when one of each type was used. Specifically, when the first stimulus was introduced at 40Hz, "continuous motion" was viewed at all combinations of stimulus frequency, and "continuous motion" was clearly noted at the high-frequency combination instead of the low-frequency combination. Also, tactile apparent motion was predominantly viewed in the SOA range of 105 ms to 125 ms. We anticipate that our findings and further research will be essential resources for the design of tactile devices to represent the motion of dynamic objects.
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28
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Shi H, Zhang P, Liu Z, Park S, Lohe MR, Wu Y, Shaygan Nia A, Yang S, Feng X. Ambient-Stable Two-Dimensional Titanium Carbide (MXene) Enabled by Iodine Etching. Angew Chem Int Ed Engl 2021; 60:8689-8693. [PMID: 33484049 PMCID: PMC8048443 DOI: 10.1002/anie.202015627] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/18/2021] [Indexed: 12/12/2022]
Abstract
MXene (e.g., Ti3 C2 ) represents an important class of two-dimensional (2D) materials owing to its unique metallic conductivity and tunable surface chemistry. However, the mainstream synthetic methods rely on the chemical etching of MAX powders (e.g., Ti3 AlC2 ) using hazardous HF or alike, leading to MXene sheets with fluorine termination and poor ambient stability in colloidal dispersions. Here, we demonstrate a fluoride-free, iodine (I2 ) assisted etching route for preparing 2D MXene (Ti3 C2 Tx , T=O, OH) with oxygen-rich terminal groups and intact lattice structure. More than 71 % of sheets are thinner than 5 nm with an average size of 1.8 μm. They present excellent thin-film conductivity of 1250 S cm-1 and great ambient stability in water for at least 2 weeks. 2D MXene sheets with abundant oxygen surface groups are excellent electrode materials for supercapacitors, delivering a high gravimetric capacitance of 293 F g-1 at a scan rate of 1 mV s-1 , superior to those made from fluoride-based etchants (<290 F g-1 at 1 mV s-1 ). Our strategy provides a promising pathway for the facile and sustainable production of highly stable MXene materials.
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Affiliation(s)
- Huanhuan Shi
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
| | - Panpan Zhang
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
| | - Zaichun Liu
- School of Energy Science and Engineering and Institute for Advanced MaterialsNanjing Tech UniversityNanjing211816Jiangsu ProvinceChina
| | - SangWook Park
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
| | - Martin R. Lohe
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
| | - Yuping Wu
- School of Energy Science and Engineering and Institute for Advanced MaterialsNanjing Tech UniversityNanjing211816Jiangsu ProvinceChina
| | - Ali Shaygan Nia
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
| | - Sheng Yang
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed)Faculty of Chemistry and Food ChemistryTechnische Universität DresdenMommsenstrasse 401062DresdenGermany
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29
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Shi H, Zhang P, Liu Z, Park S, Lohe MR, Wu Y, Shaygan Nia A, Yang S, Feng X. Ambient‐Stable Two‐Dimensional Titanium Carbide (MXene) Enabled by Iodine Etching. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015627] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Huanhuan Shi
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
| | - Panpan Zhang
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
| | - Zaichun Liu
- School of Energy Science and Engineering and Institute for Advanced Materials Nanjing Tech University Nanjing 211816 Jiangsu Province China
| | - SangWook Park
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
| | - Martin R. Lohe
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
| | - Yuping Wu
- School of Energy Science and Engineering and Institute for Advanced Materials Nanjing Tech University Nanjing 211816 Jiangsu Province China
| | - Ali Shaygan Nia
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
| | - Sheng Yang
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) Faculty of Chemistry and Food Chemistry Technische Universität Dresden Mommsenstrasse 4 01062 Dresden Germany
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30
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Lee MK, Moon C, Lee MJ, Kwak YG, Lee E, Jeon JH, Park WB, Jung Y, Kim ES, Lee JH, Chun JY, Park SW. Risk factors for the delayed diagnosis of extrapulmonary TB. Int J Tuberc Lung Dis 2021; 25:191-198. [PMID: 33688807 DOI: 10.5588/ijtld.20.0788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND: Extrapulmonary TB (EPTB) is more difficult to diagnose than pulmonary TB. The delayed management of EPTB can lead to complications and increase the socio-economic burden.METHODS: Patients newly diagnosed with EPTB were retrospectively enrolled from 11 general hospitals in South Korea from January 2017 to December 2018. The basic characteristics of patients were described. Univariable and multivariable analyses were performed between early and delayed diagnosis groups to identify risk factors for delayed diagnosis and treatment in EPTB.RESULTS: In total, 594 patients were enrolled. Lymph node TB (28.3%) was the predominant form, followed by abdominal (18.4%) and disseminated TB (14.5%). Concurrent lung involvement was 17.8%. The positivity of diagnostic tests showed no significant difference between the two groups. Acute clinical manifestations in disseminated, pericardial and meningeal TB, and immunosuppression were associated with early diagnosis. Delayed diagnosis was associated with outpatient clinic visits, delayed sample acquisition and diagnostic departments other than infection or pulmonology.CONCLUSION: The delay in diagnosis and treatment of EPTB was not related to differences in microbiological characteristics of Mycobacterium tuberculosis itself; rather, it was due to the indolent clinical manifestations that cause referral to non-TB-specialised departments in the outpatient clinic and delay the suspicion of TB and diagnostic testing.
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Affiliation(s)
- M K Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul
| | - C Moon
- Department of Internal Medicine, Inje University Busan Paik Hospital, Busan
| | - M J Lee
- Department of Internal Medicine, Inje University Sanggye Paik Hospital, Seoul
| | - Y G Kwak
- Department of Internal Medicine, Inje University Ilsan Paik Hospital, Goyang
| | - E Lee
- Department of Internal Medicine, SoonChunHyang University Seoul Hospital, Seoul, Department of Internal Medicine, Boramae Medical Center, Seoul
| | - J H Jeon
- Department of Internal Medicine, Veterans Health Service Medical Center, Seoul, Department of Internal Medicine, National Medical Center, Seoul
| | - W B Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul
| | - Y Jung
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang
| | - E S Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam
| | - J H Lee
- Department of Internal Medicine, Wonkwang University College of Medicine, Iksan
| | - J Y Chun
- Department of Internal Medicine, National Cancer Center Hospital, Goyang, South Korea
| | - S W Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Department of Internal Medicine, Boramae Medical Center, Seoul
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31
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Choi DK, Kim YK, HoonYu J, Min SH, Park SW. Genome editing of hPSCs: Recent progress in hPSC-based disease modeling for understanding disease mechanisms. Prog Mol Biol Transl Sci 2021; 181:271-287. [PMID: 34127196 DOI: 10.1016/bs.pmbts.2021.01.020] [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] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Generation of proper models for studying human genetic diseases has been hindered until recently by the scarcity of primary cell samples from genetic disease patients and inefficient genetic modification tools. However, recent advances in clustered, regularly interspaced short palindromic repeats (CRISPR)/Cas9 technology and human induced pluripotent stem cells (hiPSCs) have provided an opportunity to explore the function of pathogenic variants and obtain gene-corrected cells for autologous cell therapy. In this chapter, we address recent applications of CRISPR/Cas9 to hiPSCs in genetic diseases, including neurodegenerative, cardiovascular, and rare diseases.
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Affiliation(s)
- Dong-Kyu Choi
- New Drug Development Center, DGMIF, Daegu, Republic of Korea
| | - Yong-Kyu Kim
- New Drug Development Center, DGMIF, Daegu, Republic of Korea
| | - Ji HoonYu
- New Drug Development Center, DGMIF, Daegu, Republic of Korea
| | - Sang-Hyun Min
- New Drug Development Center, DGMIF, Daegu, Republic of Korea
| | - Sang-Wook Park
- Department of Oral Biochemistry, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea.
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32
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Xu S, Sun H, Addicoat M, Biswal BP, He F, Park S, Paasch S, Zhang T, Sheng W, Brunner E, Hou Y, Richter M, Feng X. Thiophene-Bridged Donor-Acceptor sp 2 -Carbon-Linked 2D Conjugated Polymers as Photocathodes for Water Reduction. Adv Mater 2021; 33:e2006274. [PMID: 33191503 DOI: 10.1002/adma.202006274] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/22/2020] [Indexed: 06/11/2023]
Abstract
Photoelectrochemical (PEC) water reduction, converting solar energy into environmentally friendly hydrogen fuel, requires delicate design and synthesis of semiconductors with appropriate bandgaps, suitable energy levels of the frontier orbitals, and high intrinsic charge mobility. In this work, the synthesis of a novel bithiophene-bridged donor-acceptor-based 2D sp2 -carbon-linked conjugated polymer (2D CCP) is demonstrated. The Knoevenagel polymerization between the electron-accepting building block 2,3,8,9,14,15-hexa(4-formylphenyl) diquinoxalino[2,3-a:2',3'-c]phenazine (HATN-6CHO) and the first electron-donating linker 2,2'-([2,2'-bithiophene]-5,5'-diyl)diacetonitrile (ThDAN) provides the 2D CCP-HATNThDAN (2D CCP-Th). Compared with the corresponding biphenyl-bridged 2D CCP-HATN-BDAN (2D CCP-BD), the bithiophene-based 2D CCP-Th exhibits a wide light-harvesting range (up to 674 nm), a optical energy gap (2.04 eV), and highest energy occupied molecular orbital-lowest unoccupied molecular orbital distributions for facilitated charge transfer, which make 2D CCP-Th a promising candidate for PEC water reduction. As a result, 2D CCP-Th presents a superb H2 -evolution photocurrent density up to ≈7.9 µA cm-2 at 0 V versus reversible hydrogen electrode, which is superior to the reported 2D covalent organic frameworks and most carbon nitride materials (0.09-6.0 µA cm-2 ). Density functional theory calculations identify the thiophene units and cyano substituents at the vinylene linkage as active sites for the evolution of H2 .
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Affiliation(s)
- Shunqi Xu
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Chair of Molecular Functional Materials, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
| | - Hanjun Sun
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Chair of Molecular Functional Materials, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
| | - Matthew Addicoat
- School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK
| | - Bishnu P Biswal
- Department of Chemistry, Ashoka University, Rajiv Gandhi Education City, Sonipat, Haryana, 131029, India
| | - Fan He
- Zhejiang University Key Laboratory of Biological Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - SangWook Park
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Chair of Molecular Functional Materials, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
- Leibniz-Institute for Polymer Research Dresden e.V. (IPF), Dresden, 01069, Germany
| | - Silvia Paasch
- Faculty of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden, 01069, Germany
| | - Tao Zhang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Chair of Molecular Functional Materials, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
| | - Wenbo Sheng
- Faculty of Chemistry and Food Chemistry, Chair of Macromolecular Chemistry, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
| | - Eike Brunner
- Faculty of Chemistry and Food Chemistry, Chair of Bioanalytical Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden, 01069, Germany
| | - Yang Hou
- Zhejiang University Key Laboratory of Biological Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Marcus Richter
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Chair of Molecular Functional Materials, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Chair of Molecular Functional Materials, Technische Universität Dresden, Mommsenstraße 4, Dresden, 01069, Germany
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Liu W, Park SW. 12- oxo-Phytodienoic Acid: A Fuse and/or Switch of Plant Growth and Defense Responses? Front Plant Sci 2021; 12:724079. [PMID: 34490022 PMCID: PMC8418078 DOI: 10.3389/fpls.2021.724079] [Citation(s) in RCA: 12] [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] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 07/19/2021] [Indexed: 05/13/2023]
Abstract
12-oxo-Phytodienoic acid (OPDA) is a primary precursor of (-)-jasmonic acid (JA), able to trigger autonomous signaling pathways that regulate a unique subset of jasmonate-responsive genes, activating and fine-tuning defense responses, as well as growth processes in plants. Recently, a number of studies have illuminated the physiol-molecular activities of OPDA signaling in plants, which interconnect the regulatory loop of photosynthesis, cellular redox homeostasis, and transcriptional regulatory networks, together shedding new light on (i) the underlying modes of cellular interfaces between growth and defense responses (e.g., fitness trade-offs or balances) and (ii) vital information in genetic engineering or molecular breeding approaches to upgrade own survival capacities of plants. However, our current knowledge regarding its mode of actions is still far from complete. This review will briefly revisit recent progresses on the roles and mechanisms of OPDA and information gaps within, which help in understanding the phenotypic and environmental plasticity of plants.
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Park S, Ahn S. Novel Resonance-Based Wireless Power Transfer Using Mixed Coupling. Sensors (Basel) 2020; 20:E7277. [PMID: 33353002 PMCID: PMC7766050 DOI: 10.3390/s20247277] [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] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
This study presents an equivalent circuit model for the analysis of wireless power transfer (WPT) through both electric and magnetic couplings using merely a resonant coupler. Moreover, the frequency split phenomenon, which occurs when transmitting couplers are near receiving couplers, is explained. This phenomenon was analyzed using simple circuit models derived via a mode decomposition technique. To verify the proposed method, a resonant coupler using mixed coupling was designed and its efficiency was compared with the result obtained using a commercial electromagnetic solver. The results of this study are expected to aid in designing various WPT couplers or sensor antennas by selecting electric, magnetic, or mixed couplings. Furthermore, the results of this study are expected to be applied to technologies that sense objects, or simultaneously transmit and receive information and power wirelessly.
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Affiliation(s)
- SangWook Park
- College of Information and Communication Engineering, Daegu University, Gyeongsan 38453, Korea
| | - Seungyoung Ahn
- The Cho Chun Shik Graduate School for Green Transportation, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea;
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35
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Liu W, Sikora E, Park SW. Plant growth-promoting rhizobacterium, Paenibacillus polymyxa CR1, upregulates dehydration-responsive genes, RD29A and RD29B, during priming drought tolerance in arabidopsis. Plant Physiol Biochem 2020; 156:146-154. [PMID: 32947123 DOI: 10.1016/j.plaphy.2020.08.049] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [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: 06/02/2020] [Revised: 08/07/2020] [Accepted: 08/31/2020] [Indexed: 06/11/2023]
Abstract
In recent decades, drought has become a global problem for food security and agricultural production. A variety of strategies have been developed to enhance drought tolerance, but largely unsuccessful since most drought-responsive genes (DRGs) stimulate a stomata closure and in turn suppress plant growth and yield. To access if and/or how plants could enhance drought tolerance without trading off growth and development, we screened and isolated a plant growth-promoting rhizobacterium, Paenibacillus polymyxa CR1, capable of 1) priming drought tolerance and concurrently 2) increasing root growth in plants, e.g., Arabidopsis and soybean. In parallel, we uncovered that P. polymyxa CR1 3) induces the expression of two DRGs, Response to Desiccation (RD)29A and RD29B, 4) of which pattern upregulations are controlled by a diurnal rhythm. Besides, RD29A and RD29B act as 5) 'memory' genes; their transcript levels are increased to a greater extent when plants encountered P. polymyxa CR1 for the second time compared to an initial exposure. In line with these findings, T-DNA insertion mutant Arabidopsis of RD29A or RD29B displayed enhanced susceptibility to drought, without any change in stomata behaviors or growth rates, than wild-type plants. Hence, we conclude that RD29A or RD29B are unique, efficacious generic materials that can potentially aid in upgrading the plants own survival capacity against drought without reducing yield potential.
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Affiliation(s)
- Wenshan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA
| | - Edward Sikora
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA
| | - Sang-Wook Park
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA.
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36
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Subedi P, Gattoni K, Liu W, Lawrence KS, Park SW. Current Utility of Plant Growth-Promoting Rhizobacteria as Biological Control Agents towards Plant-Parasitic Nematodes. Plants (Basel) 2020; 9:E1167. [PMID: 32916856 PMCID: PMC7569769 DOI: 10.3390/plants9091167] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/28/2020] [Accepted: 09/02/2020] [Indexed: 12/11/2022]
Abstract
Plant-parasitic nematodes (PPN) are among the most economically and ecologically damaging pests, causing severe losses of crop production worldwide. Chemical-based nematicides have been widely used, but these may have adverse effects on human health and the environment. Hence, biological control agents (BCAs) have become an alternative option for controlling PPN, since they are environmentally friendly and cost effective. Lately, a major effort has been made to evaluate the potential of a commercial grade strain of plant growth-promoting rhizobacteria (PGPR) as BCAs, because emerging evidence has shown that PGPR can reduce PPN in infested plants through direct and/or indirect antagonistic mechanisms. Direct antagonism occurs by predation, release of antinematicidal metabolites and semiochemicals, competition for nutrients, and niche exclusion. However, the results of direct antagonism may be inconsistent due to unknown endogenous and exogenous factors that may prevent PGPR from colonizing plant's roots. On the other hand, indirect antagonism may occur from the induced systemic resistance (ISR) that primes whole plants to better fight against various biotic and abiotic constraints, actuating faster and/or stronger defense responses (adaption), enhancing their promise as BCAs. Hence, this review will briefly revisit (i) two modes of PGPR in managing PPN, and (ii) the current working models and many benefits of ISR, in the aim of reassessing current progresses and future directions for isolating more effective BCAs and/or developing better PPN management strategy.
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Affiliation(s)
| | | | | | - Kathy S. Lawrence
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA; (P.S.); (K.G.); (W.L.)
| | - Sang-Wook Park
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA; (P.S.); (K.G.); (W.L.)
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Liu W, Barbosa Dos Santos I, Moye A, Park SW. CYP20-3 deglutathionylates 2-CysPRX A and suppresses peroxide detoxification during heat stress. Life Sci Alliance 2020; 3:e202000775. [PMID: 32732254 PMCID: PMC7409537 DOI: 10.26508/lsa.202000775] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/17/2020] [Accepted: 07/21/2020] [Indexed: 11/24/2022] Open
Abstract
In plants, growth-defense trade-offs occur because of limited resources, which demand prioritization towards either of them depending on various external and internal factors. However, very little is known about molecular mechanisms underlying their occurrence. Here, we describe that cyclophilin 20-3 (CYP20-3), a 12-oxo-phytodienoic acid (OPDA)-binding protein, crisscrosses stress responses with light-dependent electron reactions, which fine-tunes activities of key enzymes in plastid sulfur assimilations and photosynthesis. Under stressed states, OPDA, accumulates in the chloroplasts, binds and stimulates CYP20-3 to convey electrons towards serine acetyltransferase 1 (SAT1) and 2-Cys peroxiredoxin A (2CPA). The latter is a thiol-based peroxidase, protecting and optimizing photosynthesis by reducing its toxic byproducts (e.g., H2O2). Reduction of 2CPA then inactivates its peroxidase activity, suppressing the peroxide detoxification machinery, whereas the activation of SAT1 promotes thiol synthesis and builds up reduction capacity, which in turn triggers the retrograde regulation of defense gene expressions against abiotic stress. Thus, we conclude that CYP20-3 is a unique metabolic hub conveying resource allocations between plant growth and defense responses (trade-offs), ultimately balancing optimal growth phonotype.
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Affiliation(s)
- Wenshan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | | | - Anna Moye
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Sang-Wook Park
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
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Qi H, Sahabudeen H, Liang B, Položij M, Addicoat MA, Gorelik TE, Hambsch M, Mundszinger M, Park S, Lotsch BV, Mannsfeld SCB, Zheng Z, Dong R, Heine T, Feng X, Kaiser U. Near-atomic-scale observation of grain boundaries in a layer-stacked two-dimensional polymer. Sci Adv 2020; 6:eabb5976. [PMID: 32851180 PMCID: PMC7428334 DOI: 10.1126/sciadv.abb5976] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 07/01/2020] [Indexed: 06/11/2023]
Abstract
Two-dimensional (2D) polymers hold great promise in the rational materials design tailored for next-generation applications. However, little is known about the grain boundaries in 2D polymers, not to mention their formation mechanisms and potential influences on the material's functionalities. Using aberration-corrected high-resolution transmission electron microscopy, we present a direct observation of the grain boundaries in a layer-stacked 2D polyimine with a resolution of 2.3 Å, shedding light on their formation mechanisms. We found that the polyimine growth followed a "birth-and-spread" mechanism. Antiphase boundaries implemented a self-correction to the missing-linker and missing-node defects, and tilt boundaries were formed via grain coalescence. Notably, we identified grain boundary reconstructions featuring closed rings at tilt boundaries. Quantum mechanical calculations revealed that boundary reconstruction is energetically allowed and can be generalized into different 2D polymer systems. We envisage that these results may open up the opportunity for future investigations on defect-property correlations in 2D polymers.
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Affiliation(s)
- Haoyuan Qi
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081 Ulm, Germany
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
| | - Hafeesudeen Sahabudeen
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
| | - Baokun Liang
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081 Ulm, Germany
| | - Miroslav Položij
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
| | - Matthew A. Addicoat
- School of Science and Technology, Nottingham Trent University, NG11 8NS Nottingham, UK
| | - Tatiana E. Gorelik
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081 Ulm, Germany
| | - Mike Hambsch
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
- Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01069 Dresden, Germany
| | - Manuel Mundszinger
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081 Ulm, Germany
| | - SangWook Park
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
| | - Bettina V. Lotsch
- Max Planck Institute for Solid State Research, 70569 Stuttgart, Germany
- Department of Chemistry, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Stefan C. B. Mannsfeld
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
- Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01069 Dresden, Germany
| | - Zhikun Zheng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Engineering Technology Research Center for High-Performance Organic and Polymer Photoelectric Functional Films, School of Chemistry, Sun Yat-Sen University, 510275 Guangzhou, P.R. China
| | - Renhao Dong
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
| | - Thomas Heine
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
- Helmholtz Center Dresden-Rossendorf, Institute of Research Ecology, Leipzig Research Branch, 04318 Leipzig, Germany
- Department of Chemistry, Yonsei University, 03722 Seoul, Republic of Korea
| | - Xinliang Feng
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
| | - Ute Kaiser
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081 Ulm, Germany
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Kwon KC, Lee SW, Kim H, Jeon H, Park SW. Reduction of enlarged facial pore using ion-paired amino acid through enhancement in skin permeation and exfoliation: A placebo-controlled in vivo study. J Cosmet Dermatol 2020; 20:274-284. [PMID: 32548941 DOI: 10.1111/jocd.13479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 03/10/2020] [Revised: 05/03/2020] [Accepted: 05/04/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Serine is a hypoallergenic but inefficient chemical exfoliant. Serine paired with arginine (ion-paired amino acid, IPA) shows enhanced lipophilicity, skin permeation, and exfoliation efficacy. AIM This study was conducted to determine whether exfoliation using an emulsion containing IPA could reduce enlarged facial pores and improve the dermis density. METHODS IPA formation was validated by spectroscopic analysis. Enhanced permeability and exfoliation efficacy were evaluated ex vivo using porcine skin. In a clinical trial, healthy Korean women aged 20-49 years (mean age ± SD: 35.6 ± 8.6, n = 64) were evaluated, and the right and left sides of the cheeks were randomly chosen. An emulsion containing 4.0% IPA and placebo emulsion were applied to each side for 6 weeks. To evaluate pore sizes following treatment, the number of enlarged facial pores, inner skin structures from the stratum corneum to epidermal-dermal interface, and dermal density on each cheek of the participants were assessed. RESULTS IPA showed a significantly increased partition coefficient in n-octanol-water. In porcine skin, permeation of serine after 12 hour was 70% higher for the IPA than for serine alone at the same percent weight concentrations. In the clinical trial, after 6 weeks, the number of enlarged facial pores was changed by -19.317% in the IPA emulsion group (P < .001) and -2.930% in placebo emulsion group (P = .254). CONCLUSION Exfoliation with an IPA-containing emulsion reduced enlarged facial pores and increased the dermis density. IPA, effective mild exfoliator, can be used as a major ingredient for the cosmeceutical skincare products in the future.
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Affiliation(s)
- Koo Chul Kwon
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Korea
| | - Sung Woo Lee
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Korea
| | - Hongmin Kim
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Korea
| | - Hyungjoon Jeon
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Korea
| | - Sang-Wook Park
- LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Korea
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Wang Z, Wang G, Qi H, Wang M, Wang M, Park S, Wang H, Yu M, Kaiser U, Fery A, Zhou S, Dong R, Feng X. Ultrathin two-dimensional conjugated metal-organic framework single-crystalline nanosheets enabled by surfactant-assisted synthesis. Chem Sci 2020; 11:7665-7671. [PMID: 34094144 PMCID: PMC8159486 DOI: 10.1039/d0sc01408g] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 04/20/2020] [Indexed: 12/26/2022] Open
Abstract
Two-dimensional conjugated metal-organic frameworks (2D c-MOFs) have recently emerged for potential applications in (opto-)electronics, chemiresistive sensing, and energy storage and conversion, due to their excellent electrical conductivity, abundant active sites, and intrinsic porous structures. However, developing ultrathin 2D c-MOF nanosheets (NSs) for facile solution processing and integration into devices remains a great challenge, mostly due to unscalable synthesis, low yield, limited lateral size and low crystallinity. Here, we report a surfactant-assisted solution synthesis toward ultrathin 2D c-MOF NSs, including HHB-Cu (HHB = hexahydroxybenzene), HHB-Ni and HHTP-Cu (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene). For the first time, we achieve single-crystalline HHB-Cu(Ni) NSs featured with a thickness of 4-5 nm (∼8-10 layers) and a lateral size of 0.25-0.65 μm2, as well as single-crystalline HHTP-Cu NSs with a thickness of ∼5.1 ± 2.6 nm (∼10 layers) and a lateral size of 0.002-0.02 μm2. Benefiting from the ultrathin feature, the synthetic NSs allow fast ion diffusion and high utilization of active sites. As a proof of concept, when serving as a cathode material for Li-ion storage, HHB-Cu NSs deliver a remarkable rate capability (charge within 3 min) and long-term cycling stability (90% capacity retention after 1000 cycles), superior to the corresponding bulk materials and other reported MOF cathodes.
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Affiliation(s)
- Zhiyong Wang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
- Leibniz-Institut für Polymerforschung Dresden e. V. (IPF) 01069 Dresden Germany
| | - Gang Wang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
| | - Haoyuan Qi
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
- Central Facility for Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm 89081 Ulm Germany
| | - Mao Wang
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research 01328 Dresden Germany
| | - Mingchao Wang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
| | - SangWook Park
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
| | - Huaping Wang
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
| | - Minghao Yu
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
| | - Ute Kaiser
- Central Facility for Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm 89081 Ulm Germany
| | - Andreas Fery
- Leibniz-Institut für Polymerforschung Dresden e. V. (IPF) 01069 Dresden Germany
| | - Shengqiang Zhou
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research 01328 Dresden Germany
| | - Renhao Dong
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden 01062 Dresden Germany
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Sahabudeen H, Qi H, Ballabio M, Položij M, Olthof S, Shivhare R, Jing Y, Park S, Liu K, Zhang T, Ma J, Rellinghaus B, Mannsfeld S, Heine T, Bonn M, Cánovas E, Zheng Z, Kaiser U, Dong R, Feng X. Highly Crystalline and Semiconducting Imine-Based Two-Dimensional Polymers Enabled by Interfacial Synthesis. Angew Chem Int Ed Engl 2020; 59:6028-6036. [PMID: 31943664 PMCID: PMC7187418 DOI: 10.1002/anie.201915217] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/07/2020] [Indexed: 01/08/2023]
Abstract
Single-layer and multi-layer 2D polyimine films have been achieved through interfacial synthesis methods. However, it remains a great challenge to achieve the maximum degree of crystallinity in the 2D polyimines, which largely limits the long-range transport properties. Here we employ a surfactant-monolayer-assisted interfacial synthesis (SMAIS) method for the successful preparation of porphyrin and triazine containing polyimine-based 2D polymer (PI-2DP) films with square and hexagonal lattices, respectively. The synthetic PI-2DP films are featured with polycrystalline multilayers with tunable thickness from 6 to 200 nm and large crystalline domains (100-150 nm in size). Intrigued by high crystallinity and the presence of electroactive porphyrin moieties, the optoelectronic properties of PI-2DP are investigated by time-resolved terahertz spectroscopy. Typically, the porphyrin-based PI-2DP 1 film exhibits a p-type semiconductor behavior with a band gap of 1.38 eV and hole mobility as high as 0.01 cm2 V-1 s-1 , superior to the previously reported polyimine based materials.
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Affiliation(s)
- Hafeesudeen Sahabudeen
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Haoyuan Qi
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
- Central Facility of Electron MicroscopyElectron Microscopy Group of Materials ScienceUniversität Ulm89081UlmGermany
| | - Marco Ballabio
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Miroslav Položij
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Selina Olthof
- Department of ChemistryUniversity of CologneLuxemburger Str. 11650939CologneGermany
| | - Rishi Shivhare
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Yu Jing
- College of Chemical EngineeringNanjing Forestry UniversityNanjingChina
| | - SangWook Park
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Kejun Liu
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Tao Zhang
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Ji Ma
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Bernd Rellinghaus
- IFW DresdenInstitute for Metallic Materials01171DresdenGermany
- Dresden Center for Nanoanalysis (DCN), cfaedTechnische Universität Dresden01062DresdenGermany
| | - Stefan Mannsfeld
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Thomas Heine
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Mischa Bonn
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Enrique Cánovas
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia)Faraday 928049MadridSpain
| | - Zhikun Zheng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of EducationSchool of ChemistrySun Yat-sen UniversityGuangzhou510275China
| | - Ute Kaiser
- Central Facility of Electron MicroscopyElectron Microscopy Group of Materials ScienceUniversität Ulm89081UlmGermany
| | - Renhao Dong
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
| | - Xinliang Feng
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden01062DresdenGermany
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Lee SH, Park JS, Kim SY, Kim DS, Kim YW, Chung MP, Uh ST, Park CS, Park SW, Jeong SH, Park YB, Lee HL, Shin JW, Lee JH, Jegal Y, Lee HK, Kim YH, Song JW, Park MS. Clinical features and prognosis of patients with idiopathic pulmonary fibrosis and chronic obstructive pulmonary disease. Int J Tuberc Lung Dis 2020; 23:678-684. [PMID: 31315699 DOI: 10.5588/ijtld.18.0194] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
<sec> <title>BACKGROUND</title> Idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD) share common risk factors. They could therefore be expressed in a single patient. However, the prevalence, clinical characteristics and prognosis of individuals with comorbid IPF and COPD are not known. </sec> <sec> <title>METHOD</title> From 2003 to 2007, the Korean Interstitial Lung Disease Study Group created a register for idiopathic interstitial pneumonia using 2002 ATS/ERS (American Thoracic Society/European Respiratory Society) criteria. Of the 1546 IPF patients assessed, 143 had decreased lung function consistent with COPD (IPF-COPD). COPD was diagnosed based on age (≥40 years) and pulmonary function (forced expiratory volume in 1 sec [FEV1]/forced vital capacity [FVC] ratio < 0.7). </sec> <sec> <title>RESULTS</title> The median age of the IPF-COPD group was 71.0 years (interquartile range 66.0-76.0); most patients were male (88.1%). FVC (%) was significantly higher in the IPF-COPD group; however, FEV1 (%) was significantly lower in the IPF-COPD group (P < 0.001). Diffusing capacity of the lung for carbon monoxide (DLCO) was not significantly different between the two groups. In survival analysis, age and FVC (%), but not COPD, were significantly associated with prognosis (respectively P = 0.003, 0.001 and 0.401). COPD severity was also not related to prognosis (P = 0.935). </sec> <sec> <title>CONCLUSION</title> The prevalence of IPF-COPD was estimated to be ∼9.2% among all IPF patients; prognosis of patients with IPF-COPD was not worse than those with IPF alone. </sec>.
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Affiliation(s)
- S H Lee
- Yonsei University College of Medicine, Seoul, Department of Internal Medicine, National University College of Medicine, Division of Pulmonary and Critical Care Medicine, Seoul National University Bundang Hospital, Seoul
| | - J S Park
- Department of Internal Medicine, National University College of Medicine, Division of Pulmonary and Critical Care Medicine, Seoul National University Bundang Hospital, Seoul
| | - S Y Kim
- Division of Pulmonology, Department of Internal Medicine, Severance Hospital, Institute of Chest Diseases, Yonsei University College of Medicine, Seoul
| | - D S Kim
- Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul
| | - Y W Kim
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine and Lung Institute, Seoul National University College of Medicine, Seoul
| | - M P Chung
- Division of Pulmonary and Critical Care Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul
| | - S T Uh
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Seoul
| | - C S Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Gyeonggi-do
| | - S W Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Gyeonggi-do
| | - S H Jeong
- Division of Pulmonology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon
| | - Y B Park
- Division of Pulmonary, Allergy & Critical Care Medicine, Department of Internal Medicine, Hallym University Kangdong Sacred Heart Hospital, Seoul
| | - H L Lee
- Pulmonary Division, Department of Internal Medicine, Inha University Hospital, Incheon
| | - J W Shin
- Division of Pulmonary Medicine, Department of Internal Medicine, Chung Ang University College of Medicine, Seoul
| | - J H Lee
- Department of Internal Medicine, Ewha Womans University School of Medicine, Ewha Medical Research Institute, Seoul
| | - Y Jegal
- Division of Pulmonary Medicine, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan
| | - H K Lee
- Division of Critical Care and Pulmonary Medicine, Department of Internal Medicine, Inje University Pusan Paik Hospital, Busan
| | - Y H Kim
- Division of Allergy and Pulmonology, Department of Internal Medicine, Bucheon St Mary's Hospital, The Catholic University of Korea School of Medicine, Seoul, South Korea
| | - J W Song
- Division of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul
| | - M S Park
- Division of Pulmonology, Department of Internal Medicine, Severance Hospital, Institute of Chest Diseases, Yonsei University College of Medicine, Seoul
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Park S, Liao Z, Ibarlucea B, Qi H, Lin H, Becker D, Melidonie J, Zhang T, Sahabudeen H, Baraban L, Baek C, Zheng Z, Zschech E, Fery A, Heine T, Kaiser U, Cuniberti G, Dong R, Feng X. Two‐Dimensional Boronate Ester Covalent Organic Framework Thin Films with Large Single Crystalline Domains for a Neuromorphic Memory Device. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916595] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- SangWook Park
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
- Leibniz-Institut für Polymerforschung Dresden e. V. (IPF) 01069 Dresden Germany
| | - Zhongquan Liao
- Fraunhofer Institute for Ceramic Technologies and Systems (IKTS) 01109 Dresden Germany
| | - Bergoi Ibarlucea
- Center for Advancing Electronics Dresden (cfaed) & Institute of Materials Science and Max Bergmann Center of BiomaterialsTechnische Universität Dresden 01069 Dresden Germany
| | - Haoyuan Qi
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials ScienceUniversität Ulm 89081 Ulm Germany
| | - Hung‐Hsuan Lin
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
| | - Daniel Becker
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
| | - Jason Melidonie
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
| | - Tao Zhang
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
| | - Hafeesudeen Sahabudeen
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
| | - Larysa Baraban
- Center for Advancing Electronics Dresden (cfaed) & Institute of Materials Science and Max Bergmann Center of BiomaterialsTechnische Universität Dresden 01069 Dresden Germany
| | - Chang‐Ki Baek
- Department of Creative IT Engineering and Future IT Innovation LaboratoryPohang University of Science and Technology (POSTECH) Pohang Korea
| | - Zhikun Zheng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of EducationGuangdong Engineering Technology Research Center for High-performance Organic and Polymer Photoelectric Functional FilmsSchool of ChemistrySun Yat-Sen University 510275 Guangzhou P. R. China
| | - Ehrenfried Zschech
- Fraunhofer Institute for Ceramic Technologies and Systems (IKTS) 01109 Dresden Germany
| | - Andreas Fery
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
- Leibniz-Institut für Polymerforschung Dresden e. V. (IPF) 01069 Dresden Germany
| | - Thomas Heine
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
- Helmholtz-Zentrum Dresden-RossendorfInstitute of Resource Ecology 01328 Dresden Germany
| | - Ute Kaiser
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials ScienceUniversität Ulm 89081 Ulm Germany
| | - Gianaurelio Cuniberti
- Center for Advancing Electronics Dresden (cfaed) & Institute of Materials Science and Max Bergmann Center of BiomaterialsTechnische Universität Dresden 01069 Dresden Germany
| | - Renhao Dong
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food ChemistryTechnische Universität Dresden 01062 Dresden Germany
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Park S, Liao Z, Ibarlucea B, Qi H, Lin HH, Becker D, Melidonie J, Zhang T, Sahabudeen H, Baraban L, Baek CK, Zheng Z, Zschech E, Fery A, Heine T, Kaiser U, Cuniberti G, Dong R, Feng X. Two-Dimensional Boronate Ester Covalent Organic Framework Thin Films with Large Single Crystalline Domains for a Neuromorphic Memory Device. Angew Chem Int Ed Engl 2020; 59:8218-8224. [PMID: 32039541 PMCID: PMC7317805 DOI: 10.1002/anie.201916595] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [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: 12/26/2019] [Revised: 02/05/2020] [Indexed: 11/11/2022]
Abstract
Despite the recent progress in the synthesis of crystalline boronate ester covalent organic frameworks (BECOFs) in powder and thin-film through solvothermal method and on-solid-surface synthesis, respectively, their applications in electronics, remain less explored due to the challenges in thin-film processability and device integration associated with the control of film thickness, layer orientation, stability and crystallinity. Moreover, although the crystalline domain sizes of the powder samples can reach micrometer scale (up to ≈1.5 μm), the reported thin-film samples have so far rather small crystalline domains up to 100 nm. Here we demonstrate a general and efficient synthesis of crystalline two-dimensional (2D) BECOF films composed of porphyrin macrocycles and phenyl or naphthyl linkers (named as 2D BECOF-PP or 2D BECOF-PN) by employing a surfactant-monolayer-assisted interfacial synthesis (SMAIS) on the water surface. The achieved 2D BECOF-PP is featured as free-standing thin film with large single-crystalline domains up to ≈60 μm2 and tunable thickness from 6 to 16 nm. A hybrid memory device composed of 2D BECOF-PP film on silicon nanowire-based field-effect transistor is demonstrated as a bio-inspired system to mimic neuronal synapses, displaying a learning-erasing-forgetting memory process.
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Affiliation(s)
- SangWook Park
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.,Leibniz-Institut für Polymerforschung Dresden e. V. (IPF), 01069, Dresden, Germany
| | - Zhongquan Liao
- Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), 01109, Dresden, Germany
| | - Bergoi Ibarlucea
- Center for Advancing Electronics Dresden (cfaed) & Institute of Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, 01069, Dresden, Germany
| | - Haoyuan Qi
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.,Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081, Ulm, Germany
| | - Hung-Hsuan Lin
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Daniel Becker
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Jason Melidonie
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Tao Zhang
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Hafeesudeen Sahabudeen
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Larysa Baraban
- Center for Advancing Electronics Dresden (cfaed) & Institute of Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, 01069, Dresden, Germany
| | - Chang-Ki Baek
- Department of Creative IT Engineering and Future IT Innovation Laboratory, Pohang University of Science and Technology (POSTECH), Pohang, Korea
| | - Zhikun Zheng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Engineering Technology Research Center for High-performance Organic and Polymer Photoelectric Functional Films, School of Chemistry, Sun Yat-Sen University, 510275, Guangzhou, P. R. China
| | - Ehrenfried Zschech
- Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), 01109, Dresden, Germany
| | - Andreas Fery
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.,Leibniz-Institut für Polymerforschung Dresden e. V. (IPF), 01069, Dresden, Germany
| | - Thomas Heine
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.,Helmholtz-Zentrum Dresden-Rossendorf, Institute of Resource Ecology, 01328, Dresden, Germany
| | - Ute Kaiser
- Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, Universität Ulm, 89081, Ulm, Germany
| | - Gianaurelio Cuniberti
- Center for Advancing Electronics Dresden (cfaed) & Institute of Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, 01069, Dresden, Germany
| | - Renhao Dong
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany
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Sahabudeen H, Qi H, Ballabio M, Položij M, Olthof S, Shivhare R, Jing Y, Park S, Liu K, Zhang T, Ma J, Rellinghaus B, Mannsfeld S, Heine T, Bonn M, Cánovas E, Zheng Z, Kaiser U, Dong R, Feng X. Highly Crystalline and Semiconducting Imine‐Based Two‐Dimensional Polymers Enabled by Interfacial Synthesis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915217] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Hafeesudeen Sahabudeen
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Haoyuan Qi
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
- Central Facility of Electron MicroscopyElectron Microscopy Group of Materials ScienceUniversität Ulm 89081 Ulm Germany
| | - Marco Ballabio
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Miroslav Položij
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Selina Olthof
- Department of ChemistryUniversity of Cologne Luxemburger Str. 116 50939 Cologne Germany
| | - Rishi Shivhare
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Yu Jing
- College of Chemical EngineeringNanjing Forestry University Nanjing China
| | - SangWook Park
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Kejun Liu
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Tao Zhang
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Ji Ma
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Bernd Rellinghaus
- IFW DresdenInstitute for Metallic Materials 01171 Dresden Germany
- Dresden Center for Nanoanalysis (DCN), cfaedTechnische Universität Dresden 01062 Dresden Germany
| | - Stefan Mannsfeld
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Thomas Heine
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Mischa Bonn
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Enrique Cánovas
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia) Faraday 9 28049 Madrid Spain
| | - Zhikun Zheng
- Key Laboratory for Polymeric Composite and Functional Materials of Ministry of EducationSchool of ChemistrySun Yat-sen University Guangzhou 510275 China
| | - Ute Kaiser
- Central Facility of Electron MicroscopyElectron Microscopy Group of Materials ScienceUniversität Ulm 89081 Ulm Germany
| | - Renhao Dong
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
| | - Xinliang Feng
- Faculty of Chemistry and Food ChemistryCenter for Advancing Electronics DresdenTechnische Universität Dresden 01062 Dresden Germany
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Shi H, Li M, Shaygan Nia A, Wang M, Park S, Zhang Z, Lohe MR, Yang S, Feng X. Ultrafast Electrochemical Synthesis of Defect-Free In 2 Se 3 Flakes for Large-Area Optoelectronics. Adv Mater 2020; 32:e1907244. [PMID: 31944431 DOI: 10.1002/adma.201907244] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/13/2019] [Indexed: 06/10/2023]
Abstract
Because of its thickness-dependent direct bandgap and exceptional optoelectronic properties, indium(III) selenide (In2 Se3 ) has emerged as an important semiconductor for electronics and optoelectronics. However, the scalable synthesis of defect-free In2 Se3 flakes remains a significant barrier for its practical applications. Here, a facile electrochemical strategy is presented for the ultrafast delamination of bulk layered In2 Se3 crystals in nonaqueous media, resulting in high-yield (83%) production of defect-free In2 Se3 flakes with large lateral size (up to 26 µm). The intercalation of tetrahexylammonium (THA+ ) ions mainly creates stage-3 intercalated compounds in which every three layers of In2 Se3 are occupied by one layer of THA molecules. The subsequent exfoliation leads to a majority of trilayer In2 Se3 nanosheets. As a proof of concept, solution-processed, large-area (400 µm × 20 µm) thin-film photodetectors embedded with the exfoliated In2 Se3 flakes reveal ultrafast response time with a rise and decay of 41 and 39 ms, respectively, and efficient responsivity (1 mA W-1 ). Such performance surpasses most of the state-of-the-art thin-film photodetectors based on transition metal dichalcogenides.
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Affiliation(s)
- Huanhuan Shi
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - Mengmeng Li
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
- Key Laboratory of Microelectronic Devices and Integrated Technology, Institute of Microelectronics, Chinese Academy of Sciences, Beijing, 100029, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ali Shaygan Nia
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - Mingchao Wang
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - SangWook Park
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - Zhen Zhang
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - Martin R Lohe
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - Sheng Yang
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
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Do HS, Park SW, Im I, Seo D, Yoo HW, Go H, Kim YH, Koh GY, Lee BH, Han YM. Enhanced thrombospondin-1 causes dysfunction of vascular endothelial cells derived from Fabry disease-induced pluripotent stem cells. EBioMedicine 2020; 52:102633. [PMID: 31981984 PMCID: PMC6992938 DOI: 10.1016/j.ebiom.2020.102633] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/04/2020] [Accepted: 01/07/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Fabry disease (FD) is a recessive X-linked lysosomal storage disorder caused by α-galactosidase A (GLA) deficiency. Although the mechanism is unclear, GLA deficiency causes an accumulation of globotriaosylceramide (Gb3), leading to vasculopathy. METHODS To explore the relationship between the accumulation of Gb3 and vasculopathy, induced pluripotent stem cells generated from four Fabry patients (FD-iPSCs) were differentiated into vascular endothelial cells (VECs). Genome editing using CRISPR-Cas9 system was carried out to correct the GLA mutation or to delete Thrombospondin-1 (TSP-1). Global transcriptomes were compared between wild-type (WT)- and FD-VECs by RNA-sequencing analysis. FINDINGS Here, we report that overexpression of TSP-1 contributes to the dysfunction of VECs in FD. VECs originating from FD-iPSCs (FD-VECs) showed aberrant angiogenic functionality even upon treatment with recombinant α-galactosidase. Intriguingly, FD-VECs produced more p-SMAD2 and TSP-1 than WT-VECs. We also found elevated TSP-1 in the peritubular capillaries of renal tissues biopsied from FD patients. Inhibition of SMAD2 signaling or knock out of TSP-1 (TSP-1-/-) rescues normal vascular functionality in FD-VECs, like in gene-corrected FD-VECs. In addition, the enhanced oxygen consumption rate is reduced in TSP-1-/- FD-VECs. INTERPRETATION The overexpression of TSP-1 secondary to Gb3 accumulation is primarily responsible for the observed FD-VEC dysfunction. Our findings implicate dysfunctional VEC angiogenesis in the peritubular capillaries in some of the complications of Fabry disease. FUNDING This study was supported by grant 2018M3A9H1078330 from the National Research Foundation of the Republic of Korea.
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Affiliation(s)
- Hyo-Sang Do
- Department of Biological Sciences, KAIST, Daejeon 34141, Republic of Korea
| | - Sang-Wook Park
- Department of Biological Sciences, KAIST, Daejeon 34141, Republic of Korea; New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Ilkyun Im
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon 34141, Republic of Korea
| | - Donghyuk Seo
- Department of Biological Sciences, KAIST, Daejeon 34141, Republic of Korea
| | - Han-Wook Yoo
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Heounjeong Go
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Yoo Hyung Kim
- College of Natural Sciences, KAIST, Daejeon 34141, Republic of Korea; Center for Vascular Research, Institute for Basic Sciences, Daejeon 34141, Republic of Korea
| | - Gou Young Koh
- Graduate School of Medical Science and Engineering, KAIST, Daejeon 34141, Republic of Korea; Center for Vascular Research, Institute for Basic Sciences, Daejeon 34141, Republic of Korea
| | - Beom-Hee Lee
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea.
| | - Yong-Mahn Han
- Department of Biological Sciences, KAIST, Daejeon 34141, Republic of Korea.
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48
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Amano M, Izumi C, Kim YJ, Park SJ, Park SW, Tanaka H, Hozumi T, Ling LH, Yu CM, Fukuda S, Otsuji Y, Song JK, Sohn DW. P914 Changes of echocardiographic parameters in primary mitral regurgitation and determinants of symptom: an assessment from the Asian valve registry data. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.550] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
[Background]Clinicians often have a difficulty in determining the presence of mitral regurgitation (MR)-relatedsymptoms because of subjectivity.However, there are few actual measurement data for echocardiographic left ventricular (LV) and left atrial (LA) size related to the severity of MR and the relationship between MR-related symptoms and these echocardiographic parameters.
[Purpose] The purpose of this study was to clarify actual values for echocardiographic parameters related to severity of MR and determinant factors of MR-related symptoms.
[Methods] Among patients enrolled in the Asian Valve Registry, we investigated 778 consecutive patients with primary MR showing sinus rhythm. Symptoms were determined by NYHA (≤ II or ≥ III).
[Results]MR severity was mild in 106, moderate in 285, and severe in 387 patients. LA volume index, LV end-diastolic diameter, and LV mass index increased with increasing MR grade [LA volume index: 47.9 (mild), 56.2 (moderate), and 64.9 ml/m2(severe) (p < 0.001), LV end-diastolic diameter: 51.2, 54.5, 58.1 mm (p < 0.001), and LV mass index: 101, 109, 123 g/m2(p < 0.001)]. Regarding moderate and severe MR, 70 patients (10.4%) were symptomatic. Table shows multivariable analysis for being symptomatic in moderate and severe MR patients. LV mass index (p = 0.040), ejection fraction (p < 0.001), female gender (p = 0.004), and heart rate (p = 0.007) were independent factors for MR-related symptoms.
[Conclusions] LV and LA parameters on echocardiography worsened as MR severity progressed. Larger LV mass index and lower ejection fraction were independent determinant factors for MR-related symptoms. We should also pay attention to LV hypertrophy in patients with primary MR.
Determinant factors for mitral regurgita Model 1 Model 2 OR (95% CI) P-value OR (95% CI) P-value Age, per 1-y increment 1.03 (1.00-1.05) 0.035 1.02 (0.99-1.05) 0.053 Sex (female) 2.23 (1.20-4.16) 0.011 2.28 (1.31-3.98) 0.004 Hear rate, per 1 bpm increment 1.03 (1.00-1.05) 0.025 1.03 (1.01-1.05) 0.007 LVDs index, per 1 mm increment 0.99 (0.90-1.09) 0.90 EF, per 1% increment 0.95 (0.92-0.99) 0.019 0.96 (0.93-0.98) <0.001 LV mass index, per 10 g/m2increment 1.12 (1.01-1.25) 0.033 1.09 (1.005-1.18) 0.040 LA volume index, per 10 mL/m2increment 0.96 (0.90-1.03) 0.23 E wave, per 1cm/s increment 1.81 (0.70-4.66) 0.23 TR pressure gradient >40 mmHg 2.11 (0.97-4.57) 0.057 Hypertention 1.40 (0.75-2.63) 0.29
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Affiliation(s)
- M Amano
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - C Izumi
- National Cerebral and Cardiovascular Center, Cardiovascular Medicine, Osaka, Japan
| | - Y J Kim
- Seoul National University Hospital, Cardiology, Seoul, Korea (Republic of)
| | - S J Park
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
| | - S W Park
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
| | - H Tanaka
- Kobe University, Cardiovascular Medicine, Kobe, Japan
| | - T Hozumi
- Wakayama Medical University, Cardiovascular Medicine, Wakayama, Japan
| | - L H Ling
- National Heart Centre Singapore, Singapore, Singapore
| | - C M Yu
- The University of Hong Kong, Medicine and Therapeutics, Hong Kong, Hong Kong
| | - S Fukuda
- University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Y Otsuji
- University of Occupational and Environmental Health, Kitakyushu, Japan
| | - J K Song
- Asan Medical Center, Seoul, Korea (Republic of)
| | - D W Sohn
- Seoul National University Hospital, Cardiology, Seoul, Korea (Republic of)
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Kim YK, Yu JH, Min SH, Park SW. Generation of a GLA knock-out human-induced pluripotent stem cell line, KSBCi002-A-1, using CRISPR/Cas9. Stem Cell Res 2019; 42:101676. [PMID: 31841972 DOI: 10.1016/j.scr.2019.101676] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 11/27/2019] [Accepted: 12/03/2019] [Indexed: 11/18/2022] Open
Abstract
Fabry disease is an X-linked inherited disease caused by a mutation in the galactosidase alpha (GLA) gene. Here, we generated a GLA knock-out cell line (GLA-KO hiPSCs) from normal human-induced pluripotent stem cells (hFSiPS1) using the CRISPR-Cas9 genome-editing tool. The GLA-KO hiPSCs maintained normal morphology, karyotypes, expression of stemness markers, and trilineage differentiation potential. Furthermore, the GLA-KO hiPSCs exhibited dissipation of GLA activity and abnormal Globotriaosylceramide (Gb3) accumulation. Our GLA-KO hiPSC line represents a valuable tool for studying the mechanisms involved in Fabry disease and the development of novel therapeutic alternatives to treat this rare condition.
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Affiliation(s)
- Young-Kyu Kim
- Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 88 Dongnae-ro, Dong-gu, Daegu, Republic of Korea
| | - Ji Hoon Yu
- Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 88 Dongnae-ro, Dong-gu, Daegu, Republic of Korea
| | - Sang-Hyun Min
- Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 88 Dongnae-ro, Dong-gu, Daegu, Republic of Korea
| | - Sang-Wook Park
- Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 88 Dongnae-ro, Dong-gu, Daegu, Republic of Korea.
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50
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Kim MS, Kim SM, Kim EK, Park SJ, Lee SC, Park SW, Choe YH, Chang SA. P5279Pericardial inflammation basced on cardiac magnetic resonance imaging in patients with tuberculous pericarditis. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0250] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
While constrictive pericarditis has been traditionally considered a disabling disease, reversible constrictive pericarditis has been described in previous studies. But there are limited studies on cardiac imaging of tuberculous pericarditis. In particular, no studies on cardiac magnetic resonance imaging (CMR) have been reported. We aimed to investigate CMR findings including pericardial late gadolinium enhancement (LGE) and T2 fat suppression and black blood sequences in patients with tuberculous pericarditis.
Methods
We retrospectively analyzed medical records of patients with tuberculous pericarditis between January 2010 and January 2017 in Samsung Medical Center. Definite diagnosis of tuberculous pericarditis is based on the identification of Mycobacterium tuberculosis in pericardial fluid or tissue; probable diagnosis was made when there was other evidence of tuberculosis elsewhere in patients with unexplained pericarditis. We performed CMR at initial diagnosis. Treatment consists of the standard 4-drug antituberculosis regimen for 6 months with or without steroids. Echocardiography was also conducted at initial diagnosis and 6 months later.
Results
Total 39 cases with tuberculous pericarditis in immunocompetent patients were enrolled. Ten patients were diagnosed as definite tuberculous pericarditis. CMR finding at initial diagnosis divided into five groups: 1) pericardial effusion only (n=20, 51.3%), 2) effusive constrictive pericarditis (n=5, 12.8%), 3) constrictive pericarditis (n=11, 28.2%), 4) pericardial abscess formation (n=4, 10.3%) and 5) absence of pericardial effusion and constrictive physiology (n=1, 2.6%). One of the 4 patients with pericardial abscess formation was together with pericardial effusion and the other was accompanied by effusive constrictive pericarditis. Pericardial thickness increased to more than 4mm in 25 patients (64.1%) and the mean pericardial thickness was 10.0±6.9mm. Delayed enhancement of pericardium was noticed in 29 patients (74.4%). In T2 fat suppression and black blood sequences, 30 patients showed increased T2 signal intensity indicating inflammation with extensive edema. Pericardial thickening (>4mm) with constriction (n=15) was not statistically significant in the delayed enhancement and increased T2 signal intensity compared with pericardial thickening without constrictive pericarditis (n=10) (delayed enhancement 93.8% vs. 77.8% p=0.287; increased T2 signal intensity 88.9% vs. 87.5%, p=0.713). After 6 months, only 3 patients still had constrictive pericarditis in echocardiography.
Effusive constrictive pericarditis
Conclusions
Pericardial thickening is associated with delayed enhancement and increased T2 signal intensity in patients with tuberculous pericarditis regardless of constrictive pericarditis. Even though there were hemodynamic feature of constrictive pericarditis and pericardial inflammation with extensive edema in CMR at initial diagnosis, 80% of the patients were improved from constrictive pericarditis.
Acknowledgement/Funding
None
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Affiliation(s)
- M S Kim
- Gangnam CHA General Hospital, Cardiology, Seoul, Korea (Republic of)
| | - S M Kim
- Samsung Medical Center, Radiology, Cardiovascular Imaging Center, Seoul, Korea (Republic of)
| | - E K Kim
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
| | - S J Park
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
| | - S C Lee
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
| | - S W Park
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
| | - Y H Choe
- Samsung Medical Center, Radiology, Cardiovascular Imaging Center, Seoul, Korea (Republic of)
| | - S A Chang
- Samsung Medical Center, Cardiology, Seoul, Korea (Republic of)
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