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Iványi GT, Nemes B, Gróf I, Fekete T, Kubacková J, Tomori Z, Bánó G, Vizsnyiczai G, Kelemen L. Optically Actuated Soft Microrobot Family for Single-Cell Manipulation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2401115. [PMID: 38814436 DOI: 10.1002/adma.202401115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 05/17/2024] [Indexed: 05/31/2024]
Abstract
Precisely controlled manipulation of nonadherent single cells is often a pre-requisite for their detailed investigation. Optical trapping provides a versatile means for positioning cells with submicrometer precision or measuring forces with femto-Newton resolution. A variant of the technique, called indirect optical trapping, enables single-cell manipulation with no photodamage and superior spatial control and stability by relying on optically trapped microtools biochemically bound to the cell. High-resolution 3D lithography enables to prepare such cell manipulators with any predefined shape, greatly extending the number of achievable manipulation tasks. Here, it is presented for the first time a novel family of cell manipulators that are deformable by optical tweezers and rely on their elasticity to hold cells. This provides a more straightforward approach to indirect optical trapping by avoiding biochemical functionalization for cell attachment, and consequently by enabling the manipulated cells to be released at any time. Using the photoresist Ormocomp, the deformations achievable with optical forces in the tens of pN range and present three modes of single-cell manipulation as examples to showcase the possible applications such soft microrobotic tools can offer are characterized. The applications describe here include cell collection, 3D cell imaging, and spatially and temporally controlled cell-cell interaction.
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Affiliation(s)
- Gergely T Iványi
- HUN-REN Biological Research Centre, Szeged Institute of Biophysics, Temesvári krt. 62, Szeged, 6726, Hungary
- Doctoral School of Multidisciplinary Medical Sciences, University of Szeged, Szeged, 6720, Hungary
| | - Botond Nemes
- HUN-REN Biological Research Centre, Szeged Institute of Biophysics, Temesvári krt. 62, Szeged, 6726, Hungary
| | - Ilona Gróf
- HUN-REN Biological Research Centre, Szeged Institute of Biophysics, Temesvári krt. 62, Szeged, 6726, Hungary
| | - Tamás Fekete
- HUN-REN Biological Research Centre, Szeged Institute of Biophysics, Temesvári krt. 62, Szeged, 6726, Hungary
| | - Jana Kubacková
- Department of Biophysics, Institute of Experimental Physics SAS, Watsonova 47, Košice, 04001, Slovakia
| | - Zoltán Tomori
- Department of Biophysics, Institute of Experimental Physics SAS, Watsonova 47, Košice, 04001, Slovakia
| | - Gregor Bánó
- Department of Biophysics, Faculty of Science, P. J. Šafárik University in Košice, Jesenná 5, Košice, 04154, Slovakia
| | - Gaszton Vizsnyiczai
- HUN-REN Biological Research Centre, Szeged Institute of Biophysics, Temesvári krt. 62, Szeged, 6726, Hungary
- Department of Biotechnology, University of Szeged, Szeged, 6720, Hungary
| | - Lóránd Kelemen
- HUN-REN Biological Research Centre, Szeged Institute of Biophysics, Temesvári krt. 62, Szeged, 6726, Hungary
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Wang Y, Li M, Zhu H, Min Q, Lou Y, Wu D, Ma J, Yang Z, Zhao M, Pang Y. Fresnel lens three-dimensionally printed on the facet of a single mode fiber for trapping, manipulation, and spectrum. OPTICS LETTERS 2024; 49:3259-3262. [PMID: 38824378 DOI: 10.1364/ol.524889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/05/2024] [Indexed: 06/03/2024]
Abstract
Fiber optical tweezers (FOTs) provide a functionality for micro-/nanoparticle manipulation with a slim and flexible optical fiber setup. An added in situ spectroscopic functionality can achieve characterization of the trapped particle, potentially useful for endoscopic, in-vivo studies in an inherently heterogeneous environment if the applicator end is all-fiber-built. Here, we demonstrate all-fiber optical tweezers (a-FOTs) for the trapping and in situ spectral measurement of a single, cell-sized microparticle. The key to ensure the simultaneous bifunctionality is a high numerical aperture (NA) Fresnel lens fabricated by two-photon direct laser writing (DLW) corrected by grid-correction methods. We demonstrate trapping and time-resolved, in situ spectroscopy of a single upconversion particle (UCP), a common fluorescent biomarker in biophotonics. The system achieves a 0.5-s time resolution in the in situ spectral measurement of a trapped UCP. The all-fiber designed system preserves the advantages of flexibility and robustness of the fiber, potentially useful for in-vivo biomedical studies such as cell-to-cell interactions, pH and temperature detection, and nucleic acids detection.
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Porkoláb G, Mészáros M, Szecskó A, Vigh JP, Walter FR, Figueiredo R, Kálomista I, Hoyk Z, Vizsnyiczai G, Gróf I, Jan JS, Gosselet F, Pirity MK, Vastag M, Hudson N, Campbell M, Veszelka S, Deli MA. Synergistic induction of blood-brain barrier properties. Proc Natl Acad Sci U S A 2024; 121:e2316006121. [PMID: 38748577 PMCID: PMC11126970 DOI: 10.1073/pnas.2316006121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 04/05/2024] [Indexed: 05/27/2024] Open
Abstract
Blood-brain barrier (BBB) models derived from human stem cells are powerful tools to improve our understanding of cerebrovascular diseases and to facilitate drug development for the human brain. Yet providing stem cell-derived endothelial cells with the right signaling cues to acquire BBB characteristics while also retaining their vascular identity remains challenging. Here, we show that the simultaneous activation of cyclic AMP and Wnt/β-catenin signaling and inhibition of the TGF-β pathway in endothelial cells robustly induce BBB properties in vitro. To target this interaction, we present a small-molecule cocktail named cARLA, which synergistically enhances barrier tightness in a range of BBB models across species. Mechanistically, we reveal that the three pathways converge on Wnt/β-catenin signaling to mediate the effect of cARLA via the tight junction protein claudin-5. We demonstrate that cARLA shifts the gene expressional profile of human stem cell-derived endothelial cells toward the in vivo brain endothelial signature, with a higher glycocalyx density and efflux pump activity, lower rates of endocytosis, and a characteristic endothelial response to proinflammatory cytokines. Finally, we illustrate how cARLA can improve the predictive value of human BBB models regarding the brain penetration of drugs and targeted nanoparticles. Due to its synergistic effect, high reproducibility, and ease of use, cARLA has the potential to advance drug development for the human brain by improving BBB models across laboratories.
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Affiliation(s)
- Gergő Porkoláb
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
- Doctoral School of Biology, University of Szeged, SzegedH-6720, Hungary
| | - Mária Mészáros
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | - Anikó Szecskó
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
- Doctoral School of Biology, University of Szeged, SzegedH-6720, Hungary
| | - Judit P. Vigh
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
- Doctoral School of Biology, University of Szeged, SzegedH-6720, Hungary
| | - Fruzsina R. Walter
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | | | - Ildikó Kálomista
- In Vitro Metabolism Laboratory, Gedeon Richter, BudapestH-1103, Hungary
| | - Zsófia Hoyk
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | - Gaszton Vizsnyiczai
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | - Ilona Gróf
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | - Jeng-Shiung Jan
- Department of Chemical Engineering, National Cheng Kung University, Tainan70101, Taiwan
| | - Fabien Gosselet
- Laboratoire de la Barriére Hémato-Encéphalique, Université d’Artois, Lens62307, France
| | - Melinda K. Pirity
- Institute of Genetics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | - Monika Vastag
- In Vitro Metabolism Laboratory, Gedeon Richter, BudapestH-1103, Hungary
| | - Natalie Hudson
- Smurfit Institute of Genetics, Trinity College Dublin, DublinD02 VF25, Ireland
| | - Matthew Campbell
- Smurfit Institute of Genetics, Trinity College Dublin, DublinD02 VF25, Ireland
| | - Szilvia Veszelka
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
| | - Mária A. Deli
- Institute of Biophysics, Biological Research Centre, Hungarian Research Network, SzegedH-6726, Hungary
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Targeting Human Endothelial Cells with Glutathione and Alanine Increases the Crossing of a Polypeptide Nanocarrier through a Blood-Brain Barrier Model and Entry to Human Brain Organoids. Cells 2023; 12:cells12030503. [PMID: 36766845 PMCID: PMC9914642 DOI: 10.3390/cells12030503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Nanoparticles (NPs) are the focus of research efforts that aim to develop successful drug delivery systems for the brain. Polypeptide nanocarriers are versatile platforms and combine high functionality with good biocompatibility and biodegradability. The key to the efficient brain delivery of NPs is the specific targeting of cerebral endothelial cells that form the blood-brain barrier (BBB). We have previously discovered that the combination of two different ligands of BBB nutrient transporters, alanine and glutathione, increases the permeability of vesicular NPs across the BBB. Our aim here was to investigate whether the combination of these molecules can also promote the efficient transfer of 3-armed poly(l-glutamic acid) NPs across a human endothelial cell and brain pericyte BBB co-culture model. Alanine and glutathione dual-targeted polypeptide NPs showed good cytocompatibility and elevated cellular uptake in a time-dependent and active manner. Targeted NPs had a higher permeability across the BBB model and could subsequently enter midbrain-like organoids derived from healthy and Parkinson's disease patient-specific stem cells. These results indicate that poly(l-glutamic acid) NPs can be used as nanocarriers for nervous system application and that the right combination of molecules that target cerebral endothelial cells, in this case alanine and glutathione, can facilitate drug delivery to the brain.
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Lin CL, Wang SG, Tien MT, Chiang CH, Lee YC, Baldeck PL, Shin CS. A Novel Methodology for Detecting Variations in Cell Surface Antigens Using Cell-Tearing by Optical Tweezers. BIOSENSORS 2022; 12:656. [PMID: 36005053 PMCID: PMC9405593 DOI: 10.3390/bios12080656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/04/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
The quantitative analysis of cell surface antigens has attracted increasing attention due to the antigenic variation recognition that can facilitate early diagnoses. This paper presents a novel methodology based on the optical "cell-tearing" and the especially proposed "dilution regulations" to detect variations in cell surface antigens. The cell attaches to the corresponding antibody-coated slide surface. Then, the cell-binding firmness between a single cell and the functionalized surface is assayed by optically tearing using gradually reduced laser powers incorporated with serial antibody dilutions. Groups B and B3 of red blood cells (RBCs) were selected as the experiment subject. The results indicate that a higher dilution called for lower power to tear off the cell binding. According to the proposed relative-quantitative analysis theory, antigenic variation can be intuitively estimated by comparing the maximum allowable dilution folds. The estimation result shows good consistency with the finding in the literature. This study suggests a novel methodology for examining the variation in cell surface antigens, expected to be widely capable with potential sensor applications not only in biochemistry and biophysics, but also in the micro-/nano- engineering field.
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Affiliation(s)
- Chih-Lang Lin
- Graduate Institute of Biotechnology and Biomedical Engineering, Central Taiwan University of Science and Technology, Taichung City 40601, Taiwan
- Department of Automatic Control Engineering, Feng Chia University, Taichung City 407802, Taiwan
| | - Shyang-Guang Wang
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung City 40601, Taiwan
| | - Meng-Tsung Tien
- General Education Center, Feng Chia University, Taichung City 407802, Taiwan
| | - Chung-Han Chiang
- Graduate Institute of Biotechnology and Biomedical Engineering, Central Taiwan University of Science and Technology, Taichung City 40601, Taiwan
| | - Yi-Chieh Lee
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung City 40601, Taiwan
| | - Patrice L. Baldeck
- ENSL, CNRS, Laboratoire de Chimie UMR 5182, 46 allée d’Italie, 69364 Lyon, France
| | - Chow-Shing Shin
- Department of Mechanical Engineering, National Taiwan University, Taipei City 10617, Taiwan
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Veszelka S, Mészáros M, Porkoláb G, Szecskó A, Kondor N, Ferenc G, Polgár TF, Katona G, Kóta Z, Kelemen L, Páli T, Vigh JP, Walter FR, Bolognin S, Schwamborn JC, Jan JS, Deli MA. A Triple Combination of Targeting Ligands Increases the Penetration of Nanoparticles across a Blood-Brain Barrier Culture Model. Pharmaceutics 2021; 14:pharmaceutics14010086. [PMID: 35056983 PMCID: PMC8778049 DOI: 10.3390/pharmaceutics14010086] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 12/30/2022] Open
Abstract
Nanosized drug delivery systems targeting transporters of the blood-brain barrier (BBB) are promising carriers to enhance the penetration of therapeutics into the brain. The expression of solute carriers (SLC) is high and shows a specific pattern at the BBB. Here we show that targeting ligands ascorbic acid, leucine and glutathione on nanoparticles elevated the uptake of albumin cargo in cultured primary rat brain endothelial cells. Moreover, we demonstrated the ability of the triple-targeted nanovesicles to deliver their cargo into midbrain organoids after crossing the BBB model. The cellular uptake was temperature- and energy-dependent based on metabolic inhibition. The process was decreased by filipin and cytochalasin D, indicating that the cellular uptake of nanoparticles was partially mediated by endocytosis. The uptake of the cargo encapsulated in triple-targeted nanoparticles increased after modification of the negative zeta potential of endothelial cells by treatment with a cationic lipid or after cleaving the glycocalyx with an enzyme. We revealed that targeted nanoparticles elevated plasma membrane fluidity, indicating the fusion of nanovesicles with endothelial cell membranes. Our data indicate that labeling nanoparticles with three different ligands of multiple transporters of brain endothelial cells can promote the transfer and delivery of molecules across the BBB.
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Affiliation(s)
- Szilvia Veszelka
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
- Correspondence: (S.V.); (M.A.D.)
| | - Mária Mészáros
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Gergő Porkoláb
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
- Doctoral School of Biology, University of Szeged, Dugonics tér 13, H-6720 Szeged, Hungary
| | - Anikó Szecskó
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Nóra Kondor
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Györgyi Ferenc
- Biological Research Centre, Institute of Plant Biology, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary;
| | - Tamás F. Polgár
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Gábor Katona
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary;
| | - Zoltán Kóta
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Lóránd Kelemen
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Tibor Páli
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Judit P. Vigh
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
- Doctoral School of Biology, University of Szeged, Dugonics tér 13, H-6720 Szeged, Hungary
| | - Fruzsina R. Walter
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
| | - Silvia Bolognin
- Luxembourg Centre for Systems Biomedicine (LCSB), Developmental and Cellular Biology, University of Luxembourg, 4365 Belvaux, Luxembourg; (S.B.); (J.C.S.)
| | - Jens C. Schwamborn
- Luxembourg Centre for Systems Biomedicine (LCSB), Developmental and Cellular Biology, University of Luxembourg, 4365 Belvaux, Luxembourg; (S.B.); (J.C.S.)
| | - Jeng-Shiung Jan
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan;
| | - Mária A. Deli
- Biological Research Centre, Institute of Biophysics, Eötvös Loránd Research Network, Temesvári krt. 62, H-6726 Szeged, Hungary; (M.M.); (G.P.); (A.S.); (N.K.); (T.F.P.); (Z.K.); (L.K.); (T.P.); (J.P.V.); (F.R.W.)
- Correspondence: (S.V.); (M.A.D.)
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