1
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Zhovmer AS, Manning A, Smith C, Nguyen A, Prince O, Sáez PJ, Ma X, Tsygankov D, Cartagena-Rivera AX, Singh NA, Singh RK, Tabdanov ED. Septins provide microenvironment sensing and cortical actomyosin partitioning in motile amoeboid T lymphocytes. Sci Adv 2024; 10:eadi1788. [PMID: 38170778 DOI: 10.1126/sciadv.adi1788] [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] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024]
Abstract
The all-terrain motility of lymphocytes in tissues and tissue-like gels is best described as amoeboid motility. For amoeboid motility, lymphocytes do not require specific biochemical or structural modifications to the surrounding extracellular matrix. Instead, they rely on changing shape and steric interactions with the microenvironment. However, the exact mechanism of amoeboid motility remains elusive. Here, we report that septins participate in amoeboid motility of T cells, enabling the formation of F-actin and α-actinin-rich cortical rings at the sites of cell cortex-indenting collisions with the extracellular matrix. Cortical rings compartmentalize cells into chains of spherical segments that are spatially conformed to the available lumens, forming transient "hourglass"-shaped steric locks onto the surrounding collagen fibers. The steric lock facilitates pressure-driven peristaltic propulsion of cytosolic content by individually contracting cell segments. Our results suggest that septins provide microenvironment-guided partitioning of actomyosin contractility and steric pivots required for amoeboid motility of T cells in tissue-like microenvironments.
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Affiliation(s)
- Alexander S Zhovmer
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Alexis Manning
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Chynna Smith
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Ashley Nguyen
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Olivia Prince
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Pablo J Sáez
- Cell Communication and Migration Laboratory, Institute of Biochemistry and Molecular Cell Biology, and Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Xuefei Ma
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Denis Tsygankov
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Alexander X Cartagena-Rivera
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Niloy A Singh
- Department of Hematology Oncology, University of Rochester Medical Center, Rochester, NY, USA
| | - Rakesh K Singh
- Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY, USA
| | - Erdem D Tabdanov
- Department of Pharmacology, Penn State College of Medicine, The Pennsylvania State University, Hershey-Hummelstown, PA, USA
- Penn State Cancer Institute, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, USA
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2
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Tagay Y, Kheirabadi S, Ataie Z, Singh RK, Prince O, Nguyen A, Zhovmer AS, Ma X, Sheikhi A, Tsygankov D, Tabdanov ED. Dynein-Powered Cell Locomotion Guides Metastasis of Breast Cancer. Adv Sci (Weinh) 2023; 10:e2302229. [PMID: 37726225 PMCID: PMC10625109 DOI: 10.1002/advs.202302229] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 08/20/2023] [Indexed: 09/21/2023]
Abstract
The principal cause of death in cancer patients is metastasis, which remains an unresolved problem. Conventionally, metastatic dissemination is linked to actomyosin-driven cell locomotion. However, the locomotion of cancer cells often does not strictly line up with the measured actomyosin forces. Here, a complementary mechanism of metastatic locomotion powered by dynein-generated forces is identified. These forces arise within a non-stretchable microtubule network and drive persistent contact guidance of migrating cancer cells along the biomimetic collagen fibers. It is also shown that the dynein-powered locomotion becomes indispensable during invasive 3D migration within a tissue-like luminal network formed by spatially confining granular hydrogel scaffolds (GHS) made up of microscale hydrogel particles (microgels). These results indicate that the complementary motricity mediated by dynein is always necessary and, in certain instances, sufficient for disseminating metastatic breast cancer cells. These findings advance the fundamental understanding of cell locomotion mechanisms and expand the spectrum of clinical targets against metastasis.
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Affiliation(s)
- Yerbol Tagay
- Department of PharmacologyPenn State College of MedicineThe Pennsylvania State UniversityHersheyPA17033USA
| | - Sina Kheirabadi
- Department of Chemical EngineeringThe Pennsylvania State UniversityUniversity ParkPA16802USA
| | - Zaman Ataie
- Department of Chemical EngineeringThe Pennsylvania State UniversityUniversity ParkPA16802USA
| | - Rakesh K. Singh
- Department of Obstetrics & GynecologyGynecology OncologyUniversity of Rochester Medical CenterRochesterNY14642USA
| | - Olivia Prince
- Center for Biologics Evaluation and ResearchU.S. Food and Drug AdministrationSilver SpringMD20903USA
| | - Ashley Nguyen
- Center for Biologics Evaluation and ResearchU.S. Food and Drug AdministrationSilver SpringMD20903USA
| | - Alexander S. Zhovmer
- Center for Biologics Evaluation and ResearchU.S. Food and Drug AdministrationSilver SpringMD20903USA
| | - Xuefei Ma
- Center for Biologics Evaluation and ResearchU.S. Food and Drug AdministrationSilver SpringMD20903USA
| | - Amir Sheikhi
- Department of Chemical EngineeringThe Pennsylvania State UniversityUniversity ParkPA16802USA
- Department of Biomedical EngineeringThe Pennsylvania State UniversityUniversity ParkPA16802USA
| | - Denis Tsygankov
- Wallace H. Coulter Department of Biomedical EngineeringGeorgia Institute of Technology and Emory UniversityAtlantaGA30332USA
| | - Erdem D. Tabdanov
- Department of PharmacologyPenn State College of MedicineThe Pennsylvania State UniversityHersheyPA17033USA
- Penn State Cancer InstitutePenn State College of MedicineThe Pennsylvania State UniversityHersheyPA17033USA
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3
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Zhovmer AS, Manning A, Smith C, Wang J, Ma X, Tsygankov D, Dokholyan NV, Cartagena-Rivera AX, Singh RK, Tabdanov ED. Septins Enable T Cell Contact Guidance via Amoeboid-Mesenchymal Switch. bioRxiv 2023:2023.09.26.559597. [PMID: 37808814 PMCID: PMC10557721 DOI: 10.1101/2023.09.26.559597] [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] [Indexed: 10/10/2023]
Abstract
Lymphocytes exit circulation and enter in-tissue guided migration toward sites of tissue pathologies, damage, infection, or inflammation. By continuously sensing and adapting to the guiding chemo-mechano-structural properties of the tissues, lymphocytes dynamically alternate and combine their amoeboid (non-adhesive) and mesenchymal (adhesive) migration modes. However, which mechanisms guide and balance different migration modes are largely unclear. Here we report that suppression of septins GTPase activity induces an abrupt amoeboid-to-mesenchymal transition of T cell migration mode, characterized by a distinct, highly deformable integrin-dependent immune cell contact guidance. Surprisingly, the T cell actomyosin cortex contractility becomes diminished, dispensable and antagonistic to mesenchymal-like migration mode. Instead, mesenchymal-like T cells rely on microtubule stabilization and their non-canonical dynein motor activity for high fidelity contact guidance. Our results establish septin's GTPase activity as an important on/off switch for integrin-dependent migration of T lymphocytes, enabling their dynein-driven fluid-like mesenchymal propulsion along the complex adhesion cues.
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Affiliation(s)
- Alexander S Zhovmer
- Center for Biologics Evaluation & Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Alexis Manning
- Center for Biologics Evaluation & Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Chynna Smith
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Jian Wang
- Departments of Pharmacology, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, USA
| | - Xuefei Ma
- Center for Biologics Evaluation & Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Denis Tsygankov
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Nikolay V Dokholyan
- Departments of Pharmacology, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, USA
- Department of Biochemistry and Molecular Biology, Penn State College of Medicine, The Pennsylvania State University Hershey-Hummelstown, PA, USA
| | - Alexander X Cartagena-Rivera
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Rakesh K Singh
- Department of Obstetrics & Gynecology, University of Rochester Medical Center, Rochester, NY, USA
| | - Erdem D Tabdanov
- Departments of Pharmacology, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, USA
- Penn State Cancer Institute, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, USA
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4
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Khazan N, Quarato ER, Singh NA, Snyder CWA, Moore T, Miller JP, Yasui M, Teramoto Y, Goto T, Reshi S, Hong J, Zhang N, Pandey D, Srivastava P, Morell A, Kawano H, Kawano Y, Conley T, Sahasrabudhe DM, Yano N, Miyamoto H, Aljitawi O, Liesveld J, Becker MW, Calvi LM, Zhovmer AS, Tabdanov ED, Dokholyan NV, Linehan DC, Hansen JN, Gerber SA, Sharon A, Khera MK, Jurutka PW, Rochel N, Kim KK, Rowswell-Turner RB, Singh RK, Moore RG. Vitamin D Receptor Antagonist MeTC7 Inhibits PD-L1. Cancers (Basel) 2023; 15:3432. [PMID: 37444542 PMCID: PMC10340436 DOI: 10.3390/cancers15133432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Small-molecule inhibitors of PD-L1 are postulated to control immune evasion in tumors similar to antibodies that target the PD-L1/PD-1 immune checkpoint axis. However, the identity of targetable PD-L1 inducers is required to develop small-molecule PD-L1 inhibitors. In this study, using chromatin immunoprecipitation (ChIP) assay and siRNA, we demonstrate that vitamin D/VDR regulates PD-L1 expression in acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) cells. We have examined whether a VDR antagonist, MeTC7, can inhibit PD-L1. To ensure that MeTC7 inhibits VDR/PD-L1 without off-target effects, we examined competitive inhibition of VDR by MeTC7, utilizing ligand-dependent dimerization of VDR-RXR, RXR-RXR, and VDR-coactivators in a mammalian 2-hybrid (M2H) assay. MeTC7 inhibits VDR selectively, suppresses PD-L1 expression sparing PD-L2, and inhibits the cell viability, clonogenicity, and xenograft growth of AML cells. MeTC7 blocks AML/mesenchymal stem cells (MSCs) adhesion and increases the efferocytotic efficiency of THP-1 AML cells. Additionally, utilizing a syngeneic colorectal cancer model in which VDR/PD-L1 co-upregulation occurs in vivo under radiation therapy (RT), MeTC7 inhibits PD-L1 and enhances intra-tumoral CD8+T cells expressing lymphoid activation antigen-CD69. Taken together, MeTC7 is a promising small-molecule inhibitor of PD-L1 with clinical potential.
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Affiliation(s)
- Negar Khazan
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Emily R. Quarato
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Niloy A. Singh
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Cameron W. A. Snyder
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Taylor Moore
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - John P. Miller
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Masato Yasui
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA; (M.Y.)
| | - Yuki Teramoto
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA; (M.Y.)
| | - Takuro Goto
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA; (M.Y.)
| | - Sabeeha Reshi
- School of Mathematical and Natural Sciences, University of Arizona College of Medicine, Phoenix, AZ 85004, USA
| | - Jennifer Hong
- School of Mathematical and Natural Sciences, University of Arizona College of Medicine, Phoenix, AZ 85004, USA
| | - Naixin Zhang
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Diya Pandey
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Priyanka Srivastava
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Alexandra Morell
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Hiroki Kawano
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Yuko Kawano
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Thomas Conley
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Deepak M. Sahasrabudhe
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Naohiro Yano
- Division of Surgical Research, Rhode Island Hospital, Brown University, Providence, RI 02912, USA;
| | - Hiroshi Miyamoto
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA; (M.Y.)
| | - Omar Aljitawi
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Jane Liesveld
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Michael W. Becker
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Laura M. Calvi
- Department of Medicine, Hematology/Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA (T.C.)
| | - Alexander S. Zhovmer
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Erdem D. Tabdanov
- CytoMechanobiology Laboratory, Department of Pharmacology, Penn State College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Nikolay V. Dokholyan
- Department of Pharmacology, Department of Biochemistry & Molecular Biology, Center for Translational Systems Research, Penn State College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA;
| | - David C. Linehan
- Division of Surgery, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Jeanne N. Hansen
- Department of Psychological and Brain Sciences, Colgate University, Hamilton, NY 13346, USA
| | - Scott A. Gerber
- Division of Surgery and Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
- Department of Radiation Oncology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | | | | | - Peter W. Jurutka
- School of Mathematical and Natural Sciences, University of Arizona College of Medicine, Phoenix, AZ 85004, USA
- School of Mathematical and Natural Sciences, Arizona State University, Health Futures Center, Phoenix, AZ 85054, USA
| | - Natacha Rochel
- Institute of Genetics and of Molecular and Cellular Biology, 67400 Illkirch-Graffenstaden, France
| | - Kyu Kwang Kim
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Rachael B. Rowswell-Turner
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Rakesh K. Singh
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
| | - Richard G. Moore
- Wilmot Cancer Institute and Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, NY 14642, USA (A.M.); (K.K.K.); (R.G.M.)
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5
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Tagay Y, Kheirabadi S, Ataie Z, Singh RK, Prince O, Nguyen A, Zhovmer AS, Ma X, Sheikhi A, Tsygankov D, Tabdanov ED. Dynein-Powered Cell Locomotion Guides Metastasis of Breast Cancer. bioRxiv 2023:2023.04.04.535605. [PMID: 37066378 PMCID: PMC10104034 DOI: 10.1101/2023.04.04.535605] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Metastasis is a principal cause of death in cancer patients, which remains an unresolved fundamental and clinical problem. Conventionally, metastatic dissemination is linked to the actomyosin-driven cell locomotion. However, locomotion of cancer cells often does not strictly line up with the measured actomyosin forces. Here, we identify a complementary mechanism of metastatic locomotion powered by the dynein-generated forces. These forces that arise within a non-stretchable microtubule network drive persistent contact guidance of migrating cancer cells along the biomimetic collagen fibers. We also show that dynein-powered locomotion becomes indispensable during invasive 3D migration within a tissue-like luminal network between spatially confining hydrogel microspheres. Our results indicate that the complementary contractile system of dynein motors and microtubules is always necessary and in certain instances completely sufficient for dissemination of metastatic breast cancer cells. These findings advance fundamental understanding of cell locomotion mechanisms and expand the spectrum of clinical targets against metastasis.
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Affiliation(s)
- Yerbol Tagay
- Department of Pharmacology, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, 17033, USA
| | - Sina Kheirabadi
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Zaman Ataie
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Rakesh K. Singh
- Department of Obstetrics & Gynecology, University of Rochester Medical Center, Rochester, NY, USA
| | - Olivia Prince
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20903, USA
| | - Ashley Nguyen
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20903, USA
| | - Alexander S. Zhovmer
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20903, USA
| | - Xuefei Ma
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20903, USA
| | - Amir Sheikhi
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Denis Tsygankov
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Erdem D. Tabdanov
- Department of Pharmacology, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, 17033, USA
- Penn State Cancer Institute, Penn State College of Medicine, The Pennsylvania State University, Hershey, PA, 17033, USA
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6
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Zhovmer AS, Manning A, Smith C, Hayes JB, Burnette DT, Wang J, Cartagena-Rivera AX, Dokholyan NV, Singh RK, Tabdanov ED. Mechanical Counterbalance of Kinesin and Dynein Motors in a Microtubular Network Regulates Cell Mechanics, 3D Architecture, and Mechanosensing. ACS Nano 2021; 15:17528-17548. [PMID: 34677937 PMCID: PMC9291236 DOI: 10.1021/acsnano.1c04435] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Microtubules (MTs) and MT motor proteins form active 3D networks made of unstretchable cables with rod-like bending mechanics that provide cells with a dynamically changing structural scaffold. In this study, we report an antagonistic mechanical balance within the dynein-kinesin microtubular motor system. Dynein activity drives the microtubular network inward compaction, while isolated activity of kinesins bundles and expands MTs into giant circular bands that deform the cell cortex into discoids. Furthermore, we show that dyneins recruit MTs to sites of cell adhesion, increasing the topographic contact guidance of cells, while kinesins antagonize it via retraction of MTs from sites of cell adhesion. Actin-to-microtubule translocation of septin-9 enhances kinesin-MT interactions, outbalances the activity of kinesins over that of dyneins, and induces the discoid architecture of cells. These orthogonal mechanisms of MT network reorganization highlight the existence of an intricate mechanical balance between motor activities of kinesins and dyneins that controls cell 3D architecture, mechanics, and cell-microenvironment interactions.
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Affiliation(s)
- Alexander S. Zhovmer
- Center
for Biologics Evaluation and Research, U.S.
Food and Drug Administration, Silver Spring, Maryland 20903, United States
- . Tel: 1-301-402-1606
| | - Alexis Manning
- Center
for Biologics Evaluation and Research, U.S.
Food and Drug Administration, Silver Spring, Maryland 20903, United States
| | - Chynna Smith
- Section
on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - James B. Hayes
- Department
of Cell and Developmental Biology, Vanderbilt Medical Center, University of Vanderbilt, Nashville, Tennessee 37232, United States
| | - Dylan T. Burnette
- Department
of Cell and Developmental Biology, Vanderbilt Medical Center, University of Vanderbilt, Nashville, Tennessee 37232, United States
| | - Jian Wang
- Department
of Pharmacology, Penn State College of Medicine, Pennsylvania State University, Hummelstown, Pennsylvania 17036, United States
| | - Alexander X. Cartagena-Rivera
- Section
on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States
- . Tel: 1-301-503-4033
| | - Nikolay V. Dokholyan
- Department
of Pharmacology, Penn State College of Medicine, Pennsylvania State University, Hummelstown, Pennsylvania 17036, United States
- Department
of Biochemistry & Molecular Biology, Penn State College of Medicine, Pennsylvania State University, Hershey, Pennsylvania 17033, United States
- . Tel: 1-717-531-5177
| | - Rakesh K. Singh
- Department
of Obstetrics and Gynecology, University
of Rochester Medical Center, Rochester, New York 14620, United States
- . Tel: 1-585-276-6281
| | - Erdem D. Tabdanov
- Department
of Pharmacology, Penn State College of Medicine, Pennsylvania State University, Hummelstown, Pennsylvania 17036, United States
- . Tel: 1-717-531-0003 Ext: 4430
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7
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Zhovmer AS, Chandler M, Manning A, Afonin KA, Tabdanov ED. Programmable DNA-augmented hydrogels for controlled activation of human lymphocytes. Nanomedicine 2021; 37:102442. [PMID: 34284132 DOI: 10.1016/j.nano.2021.102442] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/25/2021] [Accepted: 07/07/2021] [Indexed: 12/25/2022]
Abstract
Contractile forces within the planar interface between T cell and antigen-presenting surface mechanically stimulate T cell receptors (TCR) in the mature immune synapses. However, the origin of mechanical stimulation during the initial, i.e., presynaptic, microvilli-based TCR activation in the course of immune surveillance remains unknown and new tools to help address this problem are needed. In this work, we develop nucleic acid nanoassembly (NAN)-based technology for functionalization of hydrogels using isothermal toehold-mediated reassociation of RNA/DNA heteroduplexes. Resulting platform allows for regulation with NAN linkers of 3D force momentum along the TCR mechanical axis, whereas hydrogels contribute to modulation of 2D shear modulus. By utilizing different lengths of NAN linkers conjugated to polyacrylamide gels of different shear moduli, we demonstrate an efficient capture of human T lymphocytes and tunable activation of TCR, as confirmed by T-cell spreading and pY foci.
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Affiliation(s)
- Alexander S Zhovmer
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA.
| | - Morgan Chandler
- Department of Chemistry, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Alexis Manning
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Kirill A Afonin
- Department of Chemistry, University of North Carolina at Charlotte, Charlotte, NC, USA.
| | - Erdem D Tabdanov
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, USA.
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8
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Zhovmer AS, Dimitriadis EK, Ma X, Provenzano PP, Tabdanov ED. Mechanobiology of Extravasating CD4(+) T-Cell Cytoskeleton. Biophys J 2020. [DOI: 10.1016/j.bpj.2019.11.1604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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9
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Zhovmer AS, Tabdanov ED, Miao H, Wen H, Chen J, Luo X, Ma X, Provenzano PP, Adelstein RS. The role of nonmuscle myosin 2A and 2B in the regulation of mesenchymal cell contact guidance. Mol Biol Cell 2019; 30:1961-1973. [PMID: 31318315 PMCID: PMC6727766 DOI: 10.1091/mbc.e19-01-0071] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Contact guidance refers to the ability of cells to sense the geometrical features of the microenvironment and respond by changing their shape and adopting the appropriate orientation. Inhibition and ablation of nonmuscle myosin 2 (NM2) paralogues have demonstrated their importance for contact guidance. However, the specific roles of the NM2 paralogues have not been systematically studied. In this work we use micropatterned substrates to examine the roles of NM2A and NM2B and to elucidate the relationship of the microenvironment, actomyosin, and microtubules in contact guidance. We show that contact guidance is preserved following loss of NM2B and that expression of NM2A alone is sufficient to establish an appropriate orientation of the cells. Loss of NM2B and overexpression of NM2A result in a prominent cell polarization that is found to be linked to the increased alignment of microtubules with the actomyosin scaffold. Suppression of actomyosin with blebbistatin reduces cell polarity on a flat surface, but not on a surface with contact guidance cues. This indicates that the lost microtubule-actomyosin interactions are compensated for by microtubule-microenvironment interactions, which are sufficient to establish cell polarity through contact guidance.
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Affiliation(s)
- Alexander S Zhovmer
- Laboratory of Molecular Cardiology, National Heart, Lung, and Blood Institute, Bethesda, MD 20814
| | - Erdem D Tabdanov
- Laboratory for Engineering in Oncology, University of Minnesota, Minneapolis, MN 55455
| | - Houxun Miao
- Imaging Physics Laboratory, National Heart, Lung, and Blood Institute, Bethesda, MD 20814
| | - Han Wen
- Imaging Physics Laboratory, National Heart, Lung, and Blood Institute, Bethesda, MD 20814
| | - Jinqiu Chen
- Collaborative Protein Technology Resource, National Cancer Institute, Bethesda, MD 20892
| | - Xiaoling Luo
- Collaborative Protein Technology Resource, National Cancer Institute, Bethesda, MD 20892
| | - Xuefei Ma
- Laboratory of Molecular Cardiology, National Heart, Lung, and Blood Institute, Bethesda, MD 20814
| | - Paolo P Provenzano
- Laboratory for Engineering in Oncology, University of Minnesota, Minneapolis, MN 55455
| | - Robert S Adelstein
- Laboratory of Molecular Cardiology, National Heart, Lung, and Blood Institute, Bethesda, MD 20814
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Zhovmer AS, Tabdanov E, Miao H, Wen H, Chen J, Luo X, Ma X, Provenzano P, Adelstein R. The Role of Non-Muscle Myosin 2A and 2B in the Regulation of Mesenchymal Cell Contact Guidance. Biophys J 2019. [DOI: 10.1016/j.bpj.2018.11.1412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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