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Liu H, Welburn JPI. A circle of life: platelet and megakaryocyte cytoskeleton dynamics in health and disease. Open Biol 2024; 14:240041. [PMID: 38835242 DOI: 10.1098/rsob.240041] [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: 02/19/2024] [Accepted: 04/24/2024] [Indexed: 06/06/2024] Open
Abstract
Platelets are blood cells derived from megakaryocytes that play a central role in regulating haemostasis and vascular integrity. The microtubule cytoskeleton of megakaryocytes undergoes a critical dynamic reorganization during cycles of endomitosis and platelet biogenesis. Quiescent platelets have a discoid shape maintained by a marginal band composed of microtubule bundles, which undergoes remarkable remodelling during platelet activation, driving shape change and platelet function. Disrupting or enhancing this process can cause platelet dysfunction such as bleeding disorders or thrombosis. However, little is known about the molecular mechanisms underlying the reorganization of the cytoskeleton in the platelet lineage. Recent studies indicate that the emergence of a unique platelet tubulin code and specific pathogenic tubulin mutations cause platelet defects and bleeding disorders. Frequently, these mutations exhibit dominant negative effects, offering valuable insights into both platelet disease mechanisms and the functioning of tubulins. This review will highlight our current understanding of the role of the microtubule cytoskeleton in the life and death of platelets, along with its relevance to platelet disorders.
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Affiliation(s)
- Haonan Liu
- Wellcome Trust Centre for Cell Biology, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3BF, UK
| | - Julie P I Welburn
- Wellcome Trust Centre for Cell Biology, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3BF, UK
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2
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Griffin MS, Dahlgren AR, Nagaswami C, Litvinov RI, Keeler K, Madenjian C, Fuentes R, Fish RJ, Neerman-Arbez M, Holinstat M, Adili R, Weisel JW, Shavit JA. Composition of thrombi in zebrafish: similarities and distinctions with mammals. J Thromb Haemost 2024; 22:1056-1068. [PMID: 38160724 PMCID: PMC11293624 DOI: 10.1016/j.jtha.2023.12.025] [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: 08/03/2023] [Revised: 11/28/2023] [Accepted: 12/14/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Blood clots are primarily composed of red blood cells (RBCs), platelets/thrombocytes, and fibrin. Despite the similarities observed between mammals and zebrafish, the composition of fish thrombi is not as well known. OBJECTIVES To analyze the formation of zebrafish blood clots ex vivo and arterial and venous thrombi in vivo. METHODS Transgenic zebrafish lines and laser-mediated endothelial injury were used to determine the relative ratio of RBCs and thrombocytes in clots. Scanning electron and confocal microscopy provided high-resolution images of the structure of adult and larval clots. Adult and larval thrombocyte spreading on fibrinogen was evaluated ex vivo. RESULTS RBCs were present in arterial and venous thrombi, making up the majority of cells in both circulations. However, bloodless mutant fish demonstrated that fibrin clots can form in vivo in the absence of blood cells. Scanning electron and confocal microscopy showed that larval and adult zebrafish thrombi and mammalian thrombi look surprisingly similar externally and internally, even though the former have nucleated RBCs and thrombocytes. Although adult thrombocytes spread on fibrinogen, we found that larval cells do not fully activate without the addition of plasma from adult fish, suggesting a developmental deficiency of a plasma activating factor. Finally, mutants lacking αIIbβ3 demonstrated that this integrin mediates thrombocyte spreading on fibrinogen. CONCLUSION Our data showed strong conservation of arterial and venous and clot/thrombus formation across species, including developmental regulation of thrombocyte function. This correlation supports the possibility that mammals also do not absolutely require circulating cells to form fibrin clots in vivo.
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Affiliation(s)
- Megan S Griffin
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA
| | - Anna R Dahlgren
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA
| | - Chandrasekaran Nagaswami
- Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
| | - Rustem I Litvinov
- Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
| | - Kevin Keeler
- US Geological Survey Great Lakes Science Center, Ann Arbor, Michigan, USA
| | - Charles Madenjian
- US Geological Survey Great Lakes Science Center, Ann Arbor, Michigan, USA
| | - Ricardo Fuentes
- Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
| | - Richard J Fish
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Marguerite Neerman-Arbez
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
| | - Reheman Adili
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
| | - John W Weisel
- Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
| | - Jordan A Shavit
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA; Department of Human Genetics, University of Michigan, Ann Arbor, Michigan, USA.
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Menter DG, Afshar-Kharghan V, Shen JP, Martch SL, Maitra A, Kopetz S, Honn KV, Sood AK. Of vascular defense, hemostasis, cancer, and platelet biology: an evolutionary perspective. Cancer Metastasis Rev 2022; 41:147-172. [PMID: 35022962 PMCID: PMC8754476 DOI: 10.1007/s10555-022-10019-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/04/2022] [Indexed: 01/08/2023]
Abstract
We have established considerable expertise in studying the role of platelets in cancer biology. From this expertise, we were keen to recognize the numerous venous-, arterial-, microvascular-, and macrovascular thrombotic events and immunologic disorders are caused by severe, acute-respiratory-syndrome coronavirus 2 (SARS-CoV-2) infections. With this offering, we explore the evolutionary connections that place platelets at the center of hemostasis, immunity, and adaptive phylogeny. Coevolutionary changes have also occurred in vertebrate viruses and their vertebrate hosts that reflect their respective evolutionary interactions. As mammals adapted from aquatic to terrestrial life and the heavy blood loss associated with placentalization-based live birth, platelets evolved phylogenetically from thrombocytes toward higher megakaryocyte-blebbing-based production rates and the lack of nuclei. With no nuclei and robust RNA synthesis, this adaptation may have influenced viral replication to become less efficient after virus particles are engulfed. Human platelets express numerous receptors that bind viral particles, which developed from archetypal origins to initiate aggregation and exocytic-release of thrombo-, immuno-, angiogenic-, growth-, and repair-stimulatory granule contents. Whether by direct, evolutionary, selective pressure, or not, these responses may help to contain virus spread, attract immune cells for eradication, and stimulate angiogenesis, growth, and wound repair after viral damage. Because mammalian and marsupial platelets became smaller and more plate-like their biophysical properties improved in function, which facilitated distribution near vessel walls in fluid-shear fields. This adaptation increased the probability that platelets could then interact with and engulf shedding virus particles. Platelets also generate circulating microvesicles that increase membrane surface-area encounters and mark viral targets. In order to match virus-production rates, billions of platelets are generated and turned over per day to continually provide active defenses and adaptation to suppress the spectrum of evolving threats like SARS-CoV-2.
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Affiliation(s)
- David G Menter
- Department of GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Vahid Afshar-Kharghan
- Division of Internal Medicine, Benign Hematology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - John Paul Shen
- Department of GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Stephanie L Martch
- Department of GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Anirban Maitra
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Scott Kopetz
- Department of GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kenneth V Honn
- Department of Pathology, Bioactive Lipids Research Program, Wayne State University, 5101 Cass Ave. 430 Chemistry, Detroit, MI, 48202, USA
- Department of Pathology, Wayne State University School of Medicine, 431 Chemistry Bldg, Detroit, MI, 48202, USA
- Cancer Biology Division, Wayne State University School of Medicine, 431 Chemistry Bldg, Detroit, MI, 48202, USA
| | - Anil K Sood
- Department of Gynecologic Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
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4
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Padilla S, Nurden AT, Prado R, Nurden P, Anitua E. Healing through the lens of immunothrombosis: Biology-inspired, evolution-tailored, and human-engineered biomimetic therapies. Biomaterials 2021; 279:121205. [PMID: 34710794 DOI: 10.1016/j.biomaterials.2021.121205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/30/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022]
Abstract
Evolution, from invertebrates to mammals, has yielded and shaped immunoclotting as a defense and repair response against trauma and infection. This mosaic of immediate and local wound-sealing and pathogen-killing mechanisms results in survival, restoration of homeostasis, and tissue repair. In mammals, immunoclotting has been complemented with the neuroendocrine system, platelets, and contact system among other embellishments, adding layers of complexity through interconnecting blood-born proteolytic cascades, blood cells, and the neuroendocrine system. In doing so, immunothrombosis endows humans with survival advantages, but entails vulnerabilities in the current unprecedented and increasingly challenging environment. Immunothrombosis and tissue repair appear to go hand in hand with common mechanisms mediating both processes, a fact that is underlined by recent advances that are deciphering the mechanisms of the repair process and of the biochemical pathways that underpins coagulation, hemostasis and thrombosis. This review is intended to frame both the universal aspects of tissue repair and the therapeutic use of autologous fibrin matrix as a biology-as-a-drug approach in the context of the evolutionary changes in coagulation and hemostasis. In addition, we will try to shed some light on the molecular mechanisms underlying the use of the autologous fibrin matrix as a biology-inspired, evolution-tailored, and human-engineered biomimetic therapy.
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Affiliation(s)
- Sabino Padilla
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
| | - Alan T Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Roberto Prado
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Paquita Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Eduardo Anitua
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI-Biotechnology Institute ImasD, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
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5
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Anitua E, Nurden P, Nurden AT, Padilla S. More than 500 million years of evolution in a fibrin-based therapeutic scaffold. Regen Med 2020; 15:1493-1498. [PMID: 32441555 DOI: 10.2217/rme-2020-0049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Eduardo Anitua
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain.,BTI - Biotechnology Institute, Vitoria, Spain.,University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Paquita Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Alan T Nurden
- Institut Hospitalo-Universitaire LIRYC, Hôpital Xavier Arnozan, Pessac, France
| | - Sabino Padilla
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain.,BTI - Biotechnology Institute, Vitoria, Spain.,University Institute for Regenerative Medicine & Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
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Soslau G. The role of the red blood cell and platelet in the evolution of mammalian and avian endothermy. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2019; 334:113-127. [DOI: 10.1002/jez.b.22922] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 10/04/2019] [Accepted: 11/09/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Gerald Soslau
- Department of Biochemistry and Molecular BiologyDrexel University College of MedicinePhiladelphia Pennsylvania
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Huang SC, Li L, Rehman MU, Gao JD, Zhang LH, Tong XL, Waqas M, Li JK. Tibial growth plate vascularization is inhibited by the dithiocarbamate pesticide thiram in chickens: potential relationship to peripheral platelet counts alteration. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:36322-36332. [PMID: 31713825 DOI: 10.1007/s11356-019-06664-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 10/01/2019] [Indexed: 06/10/2023]
Abstract
The widespread use of thiram has raised concerns for health and its toxic effects, but the underlying toxicity mechanism on platelets and bones is poorly defined. Here, we found a significant increase in the number of platelets in chickens with the thiram intake, due to the increased expression of thrombopoietin mRNA in the dysfunction liver. Furthermore, the decreased vascular distribution and cell death of chondrocytes in the tibial growth plates (TGPs) were observed, resulting in bone growth inhibition, which is associated with the abnormal activation of platelets leading to the extraordinary decrease of vascular endothelial growth factor A (VEGFA) and angiopoietin-1 protein were released and their corresponding receptors VEGFR2 and Tie-2 expressions were also reduced in the TGPs. Taken together, these findings revealed that thiram has an adverse effect on bones and platelets, which may have a high risk of thrombosis and osteoarthritis.
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Affiliation(s)
- Shu-Cheng Huang
- College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Nyingchi, 860000, Tibet, China
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
| | - Lei Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Mujeeb Ur Rehman
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jin-Dong Gao
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Li-Hong Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiao-le Tong
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Muhammad Waqas
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jia-Kui Li
- College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Nyingchi, 860000, Tibet, China.
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.
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8
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Bouderlique T, Peña-Pérez L, Kharazi S, Hils M, Li X, Krstic A, De Paepe A, Schachtrup C, Gustafsson C, Holmberg D, Schachtrup K, Månsson R. The Concerted Action of E2-2 and HEB Is Critical for Early Lymphoid Specification. Front Immunol 2019; 10:455. [PMID: 30936870 PMCID: PMC6433000 DOI: 10.3389/fimmu.2019.00455] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 02/20/2019] [Indexed: 12/21/2022] Open
Abstract
The apparition of adaptive immunity in Gnathostomata correlates with the expansion of the E-protein family to encompass E2-2, HEB, and E2A. Within the family, E2-2 and HEB are more closely evolutionarily related but their concerted action in hematopoiesis remains to be explored. Here we show that the combined disruption of E2-2 and HEB results in failure to express the early lymphoid program in Common lymphoid precursors (CLPs) and a near complete block in B-cell development. In the thymus, Early T-cell progenitors (ETPs) were reduced and T-cell development perturbed, resulting in reduced CD4 T- and increased γδ T-cell numbers. In contrast, hematopoietic stem cells (HSCs), erythro-myeloid progenitors, and innate immune cells were unaffected showing that E2-2 and HEB are dispensable for the ancestral hematopoietic lineages. Taken together, this E-protein dependence suggests that the appearance of the full Gnathostomata E-protein repertoire was critical to reinforce the gene regulatory circuits that drove the emergence and expansion of the lineages constituting humoral immunity.
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Affiliation(s)
- Thibault Bouderlique
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Lucia Peña-Pérez
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Shabnam Kharazi
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Miriam Hils
- Faculty of Medicine & Faculty of Biology, Center for Chronic Immunodeficiency, Medical Center, University of Freiburg, Freiburg, Germany
| | - Xiaoze Li
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Aleksandra Krstic
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ayla De Paepe
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Christian Schachtrup
- Faculty of Medicine, Institute of Anatomy and Cell Biology, University of Freiburg, Freiburg, Germany
| | - Charlotte Gustafsson
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Dan Holmberg
- Lund University Diabetes Center, Lund University, Malmö, Sweden
| | - Kristina Schachtrup
- Faculty of Medicine & Faculty of Biology, Center for Chronic Immunodeficiency, Medical Center, University of Freiburg, Freiburg, Germany
| | - Robert Månsson
- Department of Laboratory Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden.,Hematology Center, Karolinska University Hospital, Stockholm, Sweden
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10
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Oltova J, Svoboda O, Bartunek P. Hematopoietic Cytokine Gene Duplication in Zebrafish Erythroid and Myeloid Lineages. Front Cell Dev Biol 2018; 6:174. [PMID: 30619854 PMCID: PMC6306437 DOI: 10.3389/fcell.2018.00174] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/06/2018] [Indexed: 12/11/2022] Open
Abstract
Hematopoiesis is a precisely orchestrated process regulated by the activity of hematopoietic cytokines and their respective receptors. Due to an extra round of whole genome duplication during vertebrate evolution in teleost fish, zebrafish have two paralogs of many important genes, including genes involved in hematopoiesis. Importantly, these duplication events brought increased level of complexity in such cases, where both ligands and receptors have been duplicated in parallel. Therefore, precise understanding of binding specificities between duplicated ligand-receptor signalosomes as well as understanding of their differential expression provide an important basis for future studies to better understand the role of duplication of these genes. However, although many recent studies in the field have partly addressed functional redundancy or sub-specialization of some of those duplicated paralogs, this information remains to be scattered over many publications and unpublished data. Therefore, the focus of this review is to provide an overview of recent findings in the zebrafish hematopoietic field regarding activity, role and specificity of some of the hematopoietic cytokines with emphasis on crucial regulators of the erythro-myeloid lineages.
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Affiliation(s)
- Jana Oltova
- Department of Cell Differentiation, Institute of Molecular Genetics of the ASCR, v.v.i., Prague, Czechia
| | - Ondrej Svoboda
- Department of Cell Differentiation, Institute of Molecular Genetics of the ASCR, v.v.i., Prague, Czechia
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, United States
| | - Petr Bartunek
- Department of Cell Differentiation, Institute of Molecular Genetics of the ASCR, v.v.i., Prague, Czechia
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11
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Reeves LE, Holderman CJ, Blosser EM, Gillett-Kaufman JL, Kawahara AY, Kaufman PE, Burkett-Cadena ND. Identification of Uranotaenia sapphirina as a specialist of annelids broadens known mosquito host use patterns. Commun Biol 2018; 1:92. [PMID: 30271973 PMCID: PMC6123777 DOI: 10.1038/s42003-018-0096-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 06/03/2018] [Indexed: 12/21/2022] Open
Abstract
Feeding upon vertebrate blood by mosquitoes permits transmission of diverse pathogens, including viruses, protozoa, and nematodes. Despite over a century of intensive study, no mosquito species is known to specialize on non-vertebrate hosts. Using molecular analyses and field observations, we provide the first evidence, to our knowledge, that a mosquito, Uranotaenia sapphirina, specializes on annelid hosts (earthworms and leeches) while its sympatric congener, Uranotaenia lowii, feeds only on anurans (frogs and toads). Our results demonstrate that Ur. sapphirina feeds on annelid hosts (100% of identified blood meals; n = 72; collected throughout Florida), findings that are supported by field observations of these mosquitoes feeding on Sparganophilus worms and freshwater leeches. These findings indicate that adult mosquitoes utilize a much broader range of host taxa than previously recognized, with implications for epidemiology and the evolution of host use patterns in mosquitoes.
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Affiliation(s)
- Lawrence E Reeves
- Entomology and Nematology Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, 32611, USA.
- Florida Medical Entomology Laboratory, Institute of Food and Agricultural Sciences, University of Florida, Vero Beach, FL, 32962, USA.
| | - Chris J Holderman
- Entomology and Nematology Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, 32611, USA
| | - Erik M Blosser
- Florida Medical Entomology Laboratory, Institute of Food and Agricultural Sciences, University of Florida, Vero Beach, FL, 32962, USA
| | - Jennifer L Gillett-Kaufman
- Entomology and Nematology Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, 32611, USA
| | - Akito Y Kawahara
- Florida Museum of Natural History, University of Florida, Gainesville, FL, 32611, USA
| | - Phillip E Kaufman
- Entomology and Nematology Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, 32611, USA
| | - Nathan D Burkett-Cadena
- Florida Medical Entomology Laboratory, Institute of Food and Agricultural Sciences, University of Florida, Vero Beach, FL, 32962, USA
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12
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Kollek M, Müller A, Egle A, Erlacher M. Bcl-2 proteins in development, health, and disease of the hematopoietic system. FEBS J 2016; 283:2779-810. [DOI: 10.1111/febs.13683] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 01/29/2016] [Accepted: 02/12/2016] [Indexed: 12/20/2022]
Affiliation(s)
- Matthias Kollek
- Division of Pediatric Hematology and Oncology; Department of Pediatrics and Adolescent Medicine; University Medical Center of Freiburg; Germany
- Faculty of Biology; University of Freiburg; Germany
| | - Alexandra Müller
- Division of Pediatric Hematology and Oncology; Department of Pediatrics and Adolescent Medicine; University Medical Center of Freiburg; Germany
| | - Alexander Egle
- Laboratory for Immunological and Molecular Cancer Research; 3rd Medical Department for Hematology; Paracelsus Private Medical University Hospital; Salzburg Austria
| | - Miriam Erlacher
- Division of Pediatric Hematology and Oncology; Department of Pediatrics and Adolescent Medicine; University Medical Center of Freiburg; Germany
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