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Agno KC, Yang K, Byun SH, Oh S, Lee S, Kim H, Kim K, Cho S, Jeong WI, Jeong JW. A temperature-responsive intravenous needle that irreversibly softens on insertion. Nat Biomed Eng 2023:10.1038/s41551-023-01116-z. [PMID: 37903901 DOI: 10.1038/s41551-023-01116-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 09/26/2023] [Indexed: 11/01/2023]
Abstract
The high stiffness of intravenous needles can cause tissue injury and increase the risk of transmission of blood-borne pathogens through accidental needlesticks. Here we describe the development and performance of an intravenous needle whose stiffness and shape depend on body temperature. The needle is sufficiently stiff for insertion into soft tissue yet becomes irreversibly flexible after insertion, adapting to the shape of the blood vessel and reducing the risk of needlestick injury on removal, as we show in vein phantoms and ex vivo porcine tissue. In mice, the needles had similar fluid-delivery performance and caused substantially less inflammation than commercial devices for intravenous access of similar size. We also show that an intravenous needle integrated with a thin-film temperature sensor can monitor core body temperature in mice and detect fluid leakage in porcine tissue ex vivo. Temperature-responsive intravenous needles may improve patient care.
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Affiliation(s)
- Karen-Christian Agno
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Keungmo Yang
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sang-Hyuk Byun
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Subin Oh
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Simok Lee
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Heesoo Kim
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Kyurae Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Sungwoo Cho
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Won-Il Jeong
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.
| | - Jae-Woong Jeong
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.
- KAIST Institute for Health Science and Technology, Daejeon, Republic of Korea.
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2
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Multiparametric Flow Cytometry-Based Immunophenotyping of Mouse Liver Immune Cells. Methods Protoc 2022; 5:mps5050070. [PMID: 36136816 PMCID: PMC9498390 DOI: 10.3390/mps5050070] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
The liver is a complex organ that governs many types of metabolisms, including energy metabolism and other cellular processes. The liver also plays a crucial role in important functions in immunity, and the activity of liver tissue-associated immunity affects the outcome of many liver pathologies. A thorough characterization of the liver immune microenvironment may contribute to a better understanding of immune signaling, the mechanisms of specific immune responses, and even to improved predictions about therapy outcomes. In this paper, we present an optimized, simple, and rapid protocol to characterize the liver-associated immune cell milieu. We believe that the most suitable technique for obtaining a complex immune cell suspension and for removing contaminating blood cells is to perform mouse liver perfusion, using only phosphate buffer saline. Combining an enzymatic digestion and a mechanical dissociation of liver tissue, followed by cell purification, improves downstream applications. This combination is an essential prerequisite for immune cell determination and characterization. We then demonstrate a flow cytometry-based multiparametric immunophenotyping along with a gating strategy to detect and quantify liver endothelial cells, T cells (helper and cytotoxic), B cells, NK cells, NKT cells, neutrophils, monocytes (subsets included), dendritic cells (subsets included), macrophages and Kupffer cells.
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Hong CH, Ko MS, Kim JH, Cho H, Lee CH, Yoon JE, Yun JY, Baek IJ, Jang JE, Lee SE, Cho YK, Baek JY, Oh SJ, Lee BY, Lim JS, Lee J, Hartig SM, Conde de la Rosa L, Garcia-Ruiz C, Lee KU, Fernández-Checa JC, Choi JW, Kim S, Koh EH. Sphingosine 1-Phosphate Receptor 4 Promotes Nonalcoholic Steatohepatitis by Activating NLRP3 Inflammasome. Cell Mol Gastroenterol Hepatol 2021; 13:925-947. [PMID: 34890841 PMCID: PMC8810559 DOI: 10.1016/j.jcmgh.2021.12.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 12/02/2021] [Accepted: 12/02/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND & AIMS Sphingosine 1-phosphate receptors (S1PRs) are a group of G-protein-coupled receptors that confer a broad range of functional effects in chronic inflammatory and metabolic diseases. S1PRs also may mediate the development of nonalcoholic steatohepatitis (NASH), but the specific subtypes involved and the mechanism of action are unclear. METHODS We investigated which type of S1PR isoforms is activated in various murine models of NASH. The mechanism of action of S1PR4 was examined in hepatic macrophages isolated from high-fat, high-cholesterol diet (HFHCD)-fed mice. We developed a selective S1PR4 functional antagonist by screening the fingolimod (2-amino-2-[2-(4- n -octylphenyl)ethyl]-1,3- propanediol hydrochloride)-like sphingolipid-focused library. RESULTS The livers of various mouse models of NASH as well as hepatic macrophages showed high expression of S1pr4. Moreover, in a cohort of NASH patients, expression of S1PR4 was 6-fold higher than those of healthy controls. S1pr4+/- mice were protected from HFHCD-induced NASH and hepatic fibrosis without changes in steatosis. S1pr4 depletion in hepatic macrophages inhibited lipopolysaccharide-mediated Ca++ release and deactivated the Nod-like receptor pyrin domain-containning protein 3 (NLRP3) inflammasome. S1P increased the expression of S1pr4 in hepatic macrophages and activated NLRP3 inflammasome through inositol trisphosphate/inositol trisphosphate-receptor-dependent [Ca++] signaling. To further clarify the biological function of S1PR4, we developed SLB736, a novel selective functional antagonist of SIPR4. Similar to S1pr4+/- mice, administration of SLB736 to HFHCD-fed mice prevented the development of NASH and hepatic fibrosis, but not steatosis, by deactivating the NLRP3 inflammasome. CONCLUSIONS S1PR4 may be a new therapeutic target for NASH that mediates the activation of NLRP3 inflammasome in hepatic macrophages.
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Affiliation(s)
- Chung Hwan Hong
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Myoung Seok Ko
- Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae Hyun Kim
- College of Pharmacy, Seoul National University, Seoul, Korea,College of Pharmacy, Kangwon National University, Chuncheon, Korea
| | - Hyunkyung Cho
- College of Pharmacy, Seoul National University, Seoul, Korea
| | - Chi-Ho Lee
- College of Pharmacy, Gachon University, Incheon, Korea
| | - Ji Eun Yoon
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ji-Young Yun
- Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - In-Jeoung Baek
- Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung Eun Jang
- Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung Eun Lee
- Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yun Kyung Cho
- Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ji Yeon Baek
- Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Soo Jin Oh
- New Drug Development Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | | | - Joon Seo Lim
- Clinical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jongkook Lee
- College of Pharmacy, Kangwon National University, Chuncheon, Korea
| | - Sean M. Hartig
- Molecular and Cellular Biology, Division of Diabetes, Endocrinology, and Metabolism, Baylor College of Medicine, Houston, Texas
| | - Laura Conde de la Rosa
- Department of Cell Death and Proliferation, Instituto Investigaciones Biomédicas de Barcelona, Consejo Superior de Investigaciones Científicas, Barcelona and Liver Unit-Hospital Clinic-Instituto de Investigaciones Biomédicas August Pi i Sunyer, Centro de Investigación Biomédica en Red, Barcelona, Spain
| | - Carmen Garcia-Ruiz
- Department of Cell Death and Proliferation, Instituto Investigaciones Biomédicas de Barcelona, Consejo Superior de Investigaciones Científicas, Barcelona and Liver Unit-Hospital Clinic-Instituto de Investigaciones Biomédicas August Pi i Sunyer, Centro de Investigación Biomédica en Red, Barcelona, Spain,Research Center for Alcoholic Liver and Pancreatic Diseases and Cirrhosis, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Ki-Up Lee
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jose C. Fernández-Checa
- Department of Cell Death and Proliferation, Instituto Investigaciones Biomédicas de Barcelona, Consejo Superior de Investigaciones Científicas, Barcelona and Liver Unit-Hospital Clinic-Instituto de Investigaciones Biomédicas August Pi i Sunyer, Centro de Investigación Biomédica en Red, Barcelona, Spain,Research Center for Alcoholic Liver and Pancreatic Diseases and Cirrhosis, Keck School of Medicine, University of Southern California, Los Angeles, California,Correspondence Address correspondence to: Jose C. Fernández-Checa, PhD, Department of Cell Death and Proliferation, Instituto Investigaciones Biomédicas de Barcelona, Consejo Superior de Investigaciones Cientificas, Barcelona and Liver Unit-Hospital Clinic–Instituto de Investigaciones Biomédicas August Pi i Sunyer, Centro de Investigación Biomédica en Red, Barcelona 08036, Spain. fax: (34) 93-3129405.
| | - Ji Woong Choi
- College of Pharmacy, Gachon University, Incheon, Korea,Ji Woong Choi, PhD, Laboratory of Pharmacology, College of Pharmacy, Gachon University, 191 Hambakmoero, Yeonsu-gu, Incheon 21936, Korea. fax: (82) 32-820-4829.
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, Seoul, Korea,Sanghee Kim, PhD, College of Pharmacy, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Korea. fax: (82) 2-762-8322.
| | - Eun Hee Koh
- Biomedical Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,Eun Hee Koh, MD, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea. fax: (82) 2-3010-6962.
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Oh N, Park S, Kim JW, Park JH. Photothermal Transfection for Effective Nonviral Genome Editing. ACS APPLIED BIO MATERIALS 2021; 4:5678-5685. [PMID: 35006736 DOI: 10.1021/acsabm.1c00465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The efficient nonviral delivery of nucleic acids into the cytoplasm is needed to fully realize the potential of gene therapy. Although cationic lipids and nanoparticles have been widely used to improve the intracellular delivery of nucleic acids, they suffer from cytotoxicity and poor endosomal escape, thus limiting the transfection efficacy. Here, we developed a photothermal transfection platform for efficient and biosafe intracellular delivery of nucleic acids. Photothermal transfection was carried out by irradiation of cells co-treated with Lipofectamine-plasmid DNA complexes and PEGylated gold nanorods (GNRs) using an NIR laser for 30 min and subsequent incubation of the cells for 30 min without laser irradiation. Compared to conventional Lipofectamine-based transfection, our photothermal transfection platform significantly improved the transfection efficiency in difficult-to-transfect human primary cells including human dermal fibroblasts while maintaining the cell viability. The photothermal heating did not leave the GNRs inside the cell, thereby minimizing the cellular damage. Furthermore, the photothermal transfection platform showed superior genome editing abilities (both gene cleavage and insertion) in human dermal fibroblasts than conventional Lipofectamine-based transfection.
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Affiliation(s)
- Nuri Oh
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Sooyeon Park
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Jin Woo Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Ji-Ho Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,KAIST Institute for Health Science and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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Zhu Y, Shi Q, Peng Q, Gao Y, Yang T, Cheng Y, Wang H, Luo Y, Huang A, He TC, Fan J. A simplified 3D liver microsphere tissue culture model for hepatic cell signaling and drug-induced hepatotoxicity studies. Int J Mol Med 2019; 44:1653-1666. [PMID: 31485603 PMCID: PMC6777685 DOI: 10.3892/ijmm.2019.4321] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 07/25/2019] [Indexed: 12/15/2022] Open
Abstract
Although a number of experimental models have been developed for liver research, each has its own advantages and disadvantages. The present study attempted to develop a simple and effective 3‑dimensional mouse liver microsphere tissue culture (LMTC) model in vitro for the analysis of hepatic functions. Hepatic characteristics and potential applications of this model were compared with that of mouse model in vivo and mouse primary hepatocytes in vitro. Using freshly‑perfused mouse liver tissue passed through 80‑mesh sift strainer (sift80), it was demonstrated that under the optimal culture conditions, the sift80 microsphere tissue cultured in 2% bovine calf serum medium remained viable with marked proliferating cell nuclear antigen and anti‑Myc proto‑oncogene protein expression, exhibited normal hepatic functions including indocyanine green (ICG) uptake/release and periodic acid‑Schiff staining, and expressed hepatocyte‑specific genes for up to 2 weeks. The microsphere tissue was responsive to bone morphogenic protein 9 (BMP9) stimulation leading to upregulation of downstream targets of BMP9 signaling. Furthermore, 3 commonly‑used liver‑damaging drugs were indicated to effectively inhibit hepatic ICG uptake, and induce the expression of hepatotoxicity‑associated genes. Therefore, this simplified LMTC model may be a useful in vitro tissue culture model to investigate drug‑induced liver injury and metabolism, and hepatocyte‑based cell singling.
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Affiliation(s)
- Ying Zhu
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Qiong Shi
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Qi Peng
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yue Gao
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ting Yang
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yu Cheng
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Hao Wang
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yetao Luo
- Department of Biostatistics, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ailong Huang
- Key Laboratory of Molecular Biology for Infectious Diseases of The Ministry of Education of China, Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400037, P.R. China
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Jiaming Fan
- Ministry of Education Key Laboratory of Diagnostic Medicine, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
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Deng J, Wei W, Chen Z, Lin B, Zhao W, Luo Y, Zhang X. Engineered Liver-on-a-Chip Platform to Mimic Liver Functions and Its Biomedical Applications: A Review. MICROMACHINES 2019; 10:E676. [PMID: 31591365 PMCID: PMC6843249 DOI: 10.3390/mi10100676] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/03/2019] [Accepted: 10/03/2019] [Indexed: 02/07/2023]
Abstract
Hepatology and drug development for liver diseases require in vitro liver models. Typical models include 2D planar primary hepatocytes, hepatocyte spheroids, hepatocyte organoids, and liver-on-a-chip. Liver-on-a-chip has emerged as the mainstream model for drug development because it recapitulates the liver microenvironment and has good assay robustness such as reproducibility. Liver-on-a-chip with human primary cells can potentially correlate clinical testing. Liver-on-a-chip can not only predict drug hepatotoxicity and drug metabolism, but also connect other artificial organs on the chip for a human-on-a-chip, which can reflect the overall effect of a drug. Engineering an effective liver-on-a-chip device requires knowledge of multiple disciplines including chemistry, fluidic mechanics, cell biology, electrics, and optics. This review first introduces the physiological microenvironments in the liver, especially the cell composition and its specialized roles, and then summarizes the strategies to build a liver-on-a-chip via microfluidic technologies and its biomedical applications. In addition, the latest advancements of liver-on-a-chip technologies are discussed, which serve as a basis for further liver-on-a-chip research.
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Affiliation(s)
- Jiu Deng
- State Key Laboratory of Fine Chemicals, Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (J.D.); (W.W.); (W.Z.); (Y.L.)
| | - Wenbo Wei
- State Key Laboratory of Fine Chemicals, Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (J.D.); (W.W.); (W.Z.); (Y.L.)
| | - Zongzheng Chen
- Integrated Chinese and Western Medicine Postdoctoral research station, Jinan University, Guangzhou 510632, China;
| | - Bingcheng Lin
- State Key Laboratory of Fine Chemicals, Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (J.D.); (W.W.); (W.Z.); (Y.L.)
| | - Weijie Zhao
- State Key Laboratory of Fine Chemicals, Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (J.D.); (W.W.); (W.Z.); (Y.L.)
| | - Yong Luo
- State Key Laboratory of Fine Chemicals, Department of Chemical Engineering, Dalian University of Technology, Dalian 116024, China; (J.D.); (W.W.); (W.Z.); (Y.L.)
| | - Xiuli Zhang
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, China
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