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Horackova A, Pospisilova A, Stundl J, Minarik M, Jandzik D, Cerny R. Pre-mandibular pharyngeal pouches in early non-teleost fish embryos. Proc Biol Sci 2023; 290:20231158. [PMID: 37700650 PMCID: PMC10498051 DOI: 10.1098/rspb.2023.1158] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/14/2023] [Indexed: 09/14/2023] Open
Abstract
The vertebrate pharynx is a key embryonic structure with crucial importance for the metameric organization of the head and face. The pharynx is primarily built upon progressive formation of paired pharyngeal pouches that typically develop in post-oral (mandibular, hyoid and branchial) domains. However, in the early embryos of non-teleost fishes, we have previously identified pharyngeal pouch-like outpocketings also in the pre-oral domain of the cranial endoderm. This pre-oral gut (POG) forms by early pouching of the primitive gut cavity, followed by the sequential formation of typical (post-oral) pharyngeal pouches. Here, we tested the pharyngeal nature of the POG by analysing expression patterns of selected core pharyngeal regulatory network genes in bichir and sturgeon embryos. Our comparison revealed generally shared expression patterns, including Shh, Pax9, Tbx1, Eya1, Six1, Ripply3 or Fgf8, between early POG and post-oral pharyngeal pouches. POG thus shares pharyngeal pouch-like morphogenesis and a gene expression profile with pharyngeal pouches and can be regarded as a pre-mandibular pharyngeal pouch. We further suggest that pre-mandibular pharyngeal pouches represent a plesiomorphic vertebrate trait inherited from our ancestor's pharyngeal metameric organization, which is incorporated in the early formation of the pre-chordal plate of vertebrate embryos.
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Affiliation(s)
- Agata Horackova
- Department of Zoology, Faculty of Science, Charles University in Prague, 12844 Prague, Czech Republic
| | - Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University in Prague, 12844 Prague, Czech Republic
| | - Jan Stundl
- Department of Zoology, Faculty of Science, Charles University in Prague, 12844 Prague, Czech Republic
| | - Martin Minarik
- Department of Zoology, Faculty of Science, Charles University in Prague, 12844 Prague, Czech Republic
| | - David Jandzik
- Department of Zoology, Faculty of Science, Charles University in Prague, 12844 Prague, Czech Republic
- Department of Zoology, Comenius University in Bratislava, Bratislava, Slovakia
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University in Prague, 12844 Prague, Czech Republic
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2
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Stundl J, Martik ML, Chen D, Raja DA, Franěk R, Pospisilova A, Pšenička M, Metscher BD, Braasch I, Haitina T, Cerny R, Ahlberg PE, Bronner ME. Ancient vertebrate dermal armor evolved from trunk neural crest. Proc Natl Acad Sci U S A 2023; 120:e2221120120. [PMID: 37459514 PMCID: PMC10372632 DOI: 10.1073/pnas.2221120120] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/26/2023] [Indexed: 07/20/2023] Open
Abstract
Bone is an evolutionary novelty of vertebrates, likely to have first emerged as part of ancestral dermal armor that consisted of osteogenic and odontogenic components. Whether these early vertebrate structures arose from mesoderm or neural crest cells has been a matter of considerable debate. To examine the developmental origin of the bony part of the dermal armor, we have performed in vivo lineage tracing in the sterlet sturgeon, a representative of nonteleost ray-finned fish that has retained an extensive postcranial dermal skeleton. The results definitively show that sterlet trunk neural crest cells give rise to osteoblasts of the scutes. Transcriptional profiling further reveals neural crest gene signature in sterlet scutes as well as bichir scales. Finally, histological and microCT analyses of ray-finned fish dermal armor show that their scales and scutes are formed by bone, dentin, and hypermineralized covering tissues, in various combinations, that resemble those of the first armored vertebrates. Taken together, our results support a primitive skeletogenic role for the neural crest along the entire body axis, that was later progressively restricted to the cranial region during vertebrate evolution. Thus, the neural crest was a crucial evolutionary innovation driving the origin and diversification of dermal armor along the entire body axis.
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Affiliation(s)
- Jan Stundl
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA91125
- Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, 38925Vodnany, Czech Republic
| | - Megan L. Martik
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA91125
| | - Donglei Chen
- Department of Organismal Biology, Uppsala University, SE-75236Uppsala, Sweden
| | - Desingu Ayyappa Raja
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA91125
| | - Roman Franěk
- Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, 38925Vodnany, Czech Republic
| | - Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University in Prague, 128 00Prague, Czech Republic
| | - Martin Pšenička
- Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, 38925Vodnany, Czech Republic
| | - Brian D. Metscher
- Department of Evolutionary Biology, Theoretical Biology Unit, University of Vienna, 1010Vienna, Austria
| | - Ingo Braasch
- Department of Integrative Biology, Michigan State University, East Lansing, MI48824
- Ecology, Evolution and Behavior Program, Michigan State University, East Lansing, MI48824
| | - Tatjana Haitina
- Department of Organismal Biology, Uppsala University, SE-75236Uppsala, Sweden
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University in Prague, 128 00Prague, Czech Republic
| | - Per E. Ahlberg
- Department of Organismal Biology, Uppsala University, SE-75236Uppsala, Sweden
| | - Marianne E. Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA91125
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3
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Maranhao Neto GA, Polcrova AB, Pospisilova A, Blaha L, Klanova J, Bobak M, Gonzalez-Rivas JP. Associations between Per- and Polyfluoroalkyl Substances (PFAS) and Cardiometabolic Biomarkers in Adults of Czechia: The Kardiovize Study. Int J Environ Res Public Health 2022; 19:13898. [PMID: 36360776 PMCID: PMC9656035 DOI: 10.3390/ijerph192113898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/17/2022] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Even though there is evidence of decreasing trends of per- and polyfluoroalkyl substances (PFAS) in Czechia, there are still major sources of PFAS pollution. Regarding the still-inconsistent results of the relationship between cardiometabolic health and PFAS, the present study sought to determine the association between PFAS levels and the presence of cardiometabolic biomarkers, including blood pressure and dysglycemia drivers in the Czech population. A cross-sectional study with 479 subjects (56.4% women, median: 53 years, range: 25-89) was conducted. Four PFAS were measured in serum: perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA), perfluorodecanoic acid (PFDA), and perfluorooctane sulfonate (PFOS). The associations between natural log (ln)-transformed PFAS and cardiometabolic biomarkers were assessed through generalized additive models using linear regression and smoothing thin plate splines, adjusted for potential confounders. There were positive and significant (p < 0.05) associations between the ln-transformed PFOA and glucose (β = 0.01), systolic (β = 0.76) and diastolic blood pressure (β = 0.65); total cholesterol (β = 0.07) and LDL-c (β = 0.04); and PFOS with glucose (β = 0.03), BMI (β = 2.26), waist circumference (β = 7.89), systolic blood pressure (β = 1.18), total cholesterol (β = 0.13), and HDL-c (β = 0.04). When significant, the correlations of PFNA and PFDA were negative. Of the four PFAS, only PFOA and PFOS showed a positive association, even in serum levels not as high as the values from the literature.
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Affiliation(s)
- Geraldo A. Maranhao Neto
- International Clinical Research Center (ICRC), St Anne’s University Hospital (FNUSA) Brno, 602 00 Brno, Czech Republic
| | - Anna Bartoskova Polcrova
- International Clinical Research Center (ICRC), St Anne’s University Hospital (FNUSA) Brno, 602 00 Brno, Czech Republic
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Anna Pospisilova
- International Clinical Research Center (ICRC), St Anne’s University Hospital (FNUSA) Brno, 602 00 Brno, Czech Republic
| | - Ludek Blaha
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Jana Klanova
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Martin Bobak
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Juan P. Gonzalez-Rivas
- International Clinical Research Center (ICRC), St Anne’s University Hospital (FNUSA) Brno, 602 00 Brno, Czech Republic
- Foundation for Clinic, Public Health, and Epidemiology Research of Venezuela (FISPEVEN INC), Caracas 3001, Venezuela
- Department of Global Health and Population, Harvard TH Chan School of Public Health, Harvard University, Boston, MA 02138, USA
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4
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Stundl J, Soukup V, Franěk R, Pospisilova A, Psutkova V, Pšenička M, Cerny R, Bronner ME, Medeiros DM, Jandzik D. Efficient CRISPR Mutagenesis in Sturgeon Demonstrates Its Utility in Large, Slow-Maturing Vertebrates. Front Cell Dev Biol 2022; 10:750833. [PMID: 35223827 PMCID: PMC8867083 DOI: 10.3389/fcell.2022.750833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 01/17/2022] [Indexed: 11/14/2022] Open
Abstract
In the last decade, the CRISPR/Cas9 bacterial virus defense system has been adapted as a user-friendly, efficient, and precise method for targeted mutagenesis in eukaryotes. Though CRISPR/Cas9 has proven effective in a diverse range of organisms, it is still most often used to create mutant lines in lab-reared genetic model systems. However, one major advantage of CRISPR/Cas9 mutagenesis over previous gene targeting approaches is that its high efficiency allows the immediate generation of near-null mosaic mutants. This feature could potentially allow genotype to be linked to phenotype in organisms with life histories that preclude the establishment of purebred genetic lines; a group that includes the vast majority of vertebrate species. Of particular interest to scholars of early vertebrate evolution are several long-lived and slow-maturing fishes that diverged from two dominant modern lineages, teleosts and tetrapods, in the Ordovician, or before. These early-diverging or “basal” vertebrates include the jawless cyclostomes, cartilaginous fishes, and various non-teleost ray-finned fishes. In addition to occupying critical phylogenetic positions, these groups possess combinations of derived and ancestral features not seen in conventional model vertebrates, and thus provide an opportunity for understanding the genetic bases of such traits. Here we report successful use of CRISPR/Cas9 mutagenesis in one such non-teleost fish, sterlet Acipenser ruthenus, a small species of sturgeon. We introduced mutations into the genes Tyrosinase, which is needed for melanin production, and Sonic hedgehog, a pleiotropic developmental regulator with diverse roles in early embryonic patterning and organogenesis. We observed disruption of both loci and the production of consistent phenotypes, including both near-null mutants’ various hypomorphs. Based on these results, and previous work in lamprey and amphibians, we discuss how CRISPR/Cas9 F0 mutagenesis may be successfully adapted to other long-lived, slow-maturing aquatic vertebrates and identify the ease of obtaining and injecting eggs and/or zygotes as the main challenges.
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Affiliation(s)
- Jan Stundl
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Vodňany, Czechia
| | - Vladimír Soukup
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Roman Franěk
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Vodňany, Czechia
| | - Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Viktorie Psutkova
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Martin Pšenička
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Vodňany, Czechia
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Marianne E. Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Daniel Meulemans Medeiros
- Department of Ecology and Evolutionary Biology, University of Colorado in Boulder, Boulder, CO, United States
| | - David Jandzik
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
- Department of Zoology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovakia
- *Correspondence: David Jandzik,
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5
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Pospisilova A, Stundl J, Brejcha J, Metscher BD, Psenicka M, Cerny R, Soukup V. The remarkable dynamics in the establishment, rearrangement, and loss of dentition during the ontogeny of the sterlet sturgeon. Dev Dyn 2021; 251:826-845. [PMID: 34846759 DOI: 10.1002/dvdy.444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/15/2021] [Accepted: 11/22/2021] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Sturgeons belong to an early-branching lineage often used as a proxy of ancestor-like traits of ray-finned fishes. However, many features of this lineage, such as the transitory presence and the eventual loss of dentition, exemplify specializations that, in fact, provide important information on lineage-specific evolutionary dynamics. RESULTS Here, we introduce a detailed overview of the dentition during the development of the sterlet sturgeon. The dentition is composed of tooth fields at oral, palatal, and anterior pharyngeal regions. Oral fields are single-rowed, non-renewed and are shed early. Palatal and pharyngeal fields are multi-rowed and renewed from the adjacent superficial epithelium without the presence of the successional dental lamina. The early loss of oral fields and subsequent establishment of palatal and pharyngeal fields leads to a translocation of the functional dentition from the front to the rear of the oropharyngeal cavity until the eventual loss of all teeth. CONCLUSIONS Our survey shows the sterlet dentition as a dynamic organ system displaying differential composition at different time points in the lifetime of this fish. These dynamics represent a conspicuous feature of sturgeons, unparalleled among extant vertebrates, and appropriate to scrutinize developmental and evolutionary underpinnings of vertebrate odontogenesis.
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Affiliation(s)
- Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jan Stundl
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic.,Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, USA.,Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in České Budějovice, Vodňany, Czech Republic
| | - Jindrich Brejcha
- Department of Philosophy and History of Science, Faculty of Science, Charles University, Prague, Czech Republic
| | - Brian D Metscher
- Department of Evolutionary Biology, University of Vienna, Vienna, Austria
| | - Martin Psenicka
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in České Budějovice, Vodňany, Czech Republic
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Vladimír Soukup
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
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6
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Soukup V, Tazaki A, Yamazaki Y, Pospisilova A, Epperlein HH, Tanaka EM, Cerny R. Oral and Palatal Dentition of Axolotl Arises From a Common Tooth-Competent Zone Along the Ecto-Endodermal Boundary. Front Cell Dev Biol 2021; 8:622308. [PMID: 33505974 PMCID: PMC7829593 DOI: 10.3389/fcell.2020.622308] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/02/2020] [Indexed: 11/13/2022] Open
Abstract
Vertebrate dentitions arise at various places within the oropharyngeal cavity including the jaws, the palate, or the pharynx. These dentitions develop in a highly organized way, where new tooth germs are progressively added adjacent to the initiator center, the first tooth. At the same time, the places where dentitions develop house the contact zones between the outer ectoderm and the inner endoderm, and this colocalization has instigated various suggestions on the roles of germ layers for tooth initiation and development. Here, we study development of the axolotl dentition, which is a complex of five pairs of tooth fields arranged into the typically tetrapod outer and inner dental arcades. By tracking the expression patterns of odontogenic genes, we reason that teeth of both dental arcades originate from common tooth-competent zones, one present on the mouth roof and one on the mouth floor. Progressive compartmentalization of these zones and a simultaneous addition of new tooth germs distinct for each prospective tooth field subsequently control the final shape and composition of the axolotl dentition. Interestingly, by following the fate of the GFP-labeled oral ectoderm, we further show that, in three out of five tooth field pairs, the first tooth develops right at the ecto-endodermal boundary. Our results thus indicate that a single tooth-competent zone gives rise to both dental arcades of a complex tetrapod dentition. Further, we propose that the ecto-endodermal boundary running through this zone should be accounted for as a potential source of instruction factors instigating the onset of the odontogenic program.
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Affiliation(s)
- Vladimír Soukup
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Akira Tazaki
- Max-Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG), Dresden, Germany.,Center for Regenerative Therapies, Technische Universität Dresden, Dresden, Germany
| | - Yosuke Yamazaki
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | - Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
| | | | - Elly M Tanaka
- Max-Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG), Dresden, Germany.,Center for Regenerative Therapies, Technische Universität Dresden, Dresden, Germany
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University, Prague, Czechia
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7
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Stundl J, Pospisilova A, Matějková T, Psenicka M, Bronner ME, Cerny R. Migratory patterns and evolutionary plasticity of cranial neural crest cells in ray-finned fishes. Dev Biol 2020; 467:14-29. [PMID: 32835652 DOI: 10.1016/j.ydbio.2020.08.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023]
Abstract
The cranial neural crest (CNC) arises within the developing central nervous system, but then migrates away from the neural tube in three consecutive streams termed mandibular, hyoid and branchial, respectively, according to the order along the anteroposterior axis. While the process of neural crest emigration generally follows a conserved anterior to posterior sequence across vertebrates, we find that ray-finned fishes (bichir, sterlet, gar, and pike) exhibit several heterochronies in the timing and order of CNC emergence that influences their subsequent migratory patterns. First, emigration of the cranial neural crest in these fishes occurs prematurely compared to other vertebrates, already initiating during early neurulation and well before neural tube closure. Second, delamination of the hyoid stream occurs prior to the more anterior mandibular stream; this is associated with early morphogenesis of key hyoid structures like external gills (bichir), a large opercular flap (gar) or first forming cartilage (pike). In sterlet, the hyoid and branchial CNC cells form a single hyobranchial sheet, which later segregates in concert with second pharyngeal pouch morphogenesis. Taken together, the results show that despite generally conserved migratory patterns, heterochronic alterations in the timing of emigration and pattern of migration of CNC cells accompanies morphological diversity of ray-finned fishes.
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Affiliation(s)
- Jan Stundl
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic; Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA; South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany, Czech Republic.
| | - Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Tereza Matějková
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Martin Psenicka
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Vodnany, Czech Republic
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic.
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Janacova L, Faktor J, Capkova L, Paralova V, Pospisilova A, Podhorec J, Ebhardt HA, Hrstka R, Nenutil R, Aebersold R, Bouchal P. SWATH-MS Analysis of FFPE Tissues Identifies Stathmin as a Potential Marker of Endometrial Cancer in Patients Exposed to Tamoxifen. J Proteome Res 2020; 19:2617-2630. [PMID: 32343582 DOI: 10.1021/acs.jproteome.0c00064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A specific form of endometrial cancer (EC) can develop in breast cancer patients previously treated with tamoxifen (ET), an antagonist of estrogen receptor (ER) that inhibits proliferation of ER positive breast cancer. ET tumors have a different phenotype than endometrial tumors, which typically develop de novo without previous exposure to tamoxifen (EN). Here we aimed to identify specific protein markers that could serve as specific molecular targets in either phenotype. A set of total 45 formalin-fixed paraffin-embedded (FFPE) endometrial tumor tissues and adjacent myometrium tissue samples were analyzed using LC-MS/MS in SWATH-MS mode. We found that calcyphosin (CAPS) levels were elevated in EN tumors compared to ET tumors. The higher CAPS level in EC tissue invading to myometrium supports its relationship to EC aggressiveness. Further, stathmin (STMN1) levels were found significantly elevated in ET versus EN tumors and significantly associated with patient survival. This finding connects elevated levels of this cell cycle regulating, proliferation-associated protein with tamoxifen exposure. In summary, using SWATH-MS we show that CAPS and STMN1 should be recognized as clinicopathologically different EC markers of which STMN1 is specifically connected with a previous tamoxifen exposition.
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Affiliation(s)
- Lucia Janacova
- Department of Biochemistry, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
| | - Jakub Faktor
- Regional Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, 65653 Brno, Czech Republic
| | - Lenka Capkova
- Department of Biochemistry, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
| | - Vendula Paralova
- Department of Biochemistry, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
| | - Anna Pospisilova
- Department of Biochemistry, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
| | - Jan Podhorec
- Regional Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, 65653 Brno, Czech Republic.,Department of Comprehensive Cancer Care, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Holger Alexander Ebhardt
- Department of Biology, Institute of Molecular Systems Biology, Swiss Federal Institute for Technology (ETH) Zurich, Zurich, Switzerland.,Systems Biology Ireland, University College Dublin, Dublin, Ireland
| | - Roman Hrstka
- Regional Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, 65653 Brno, Czech Republic
| | - Rudolf Nenutil
- Regional Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, 65653 Brno, Czech Republic
| | - Ruedi Aebersold
- Department of Biology, Institute of Molecular Systems Biology, Swiss Federal Institute for Technology (ETH) Zurich, Zurich, Switzerland.,Faculty of Science, University of Zurich, Zurich, Switzerland
| | - Pavel Bouchal
- Department of Biochemistry, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
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9
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Rizzato PP, Pospisilova A, Hilton EJ, Bockmann FA. Ontogeny and homology of cranial bones associated with lateral-line canals of the Senegal Bichir, Polypterus senegalus (Actinopterygii: Cladistii: Polypteriformes), with a discussion on the formation of lateral-line canal bones in fishes. J Anat 2020; 237:439-467. [PMID: 32285471 DOI: 10.1111/joa.13202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 03/13/2020] [Accepted: 03/19/2020] [Indexed: 12/17/2022] Open
Abstract
The association between lateral-line canals and skull bones in fishes has been the subject of several studies and raised a series of controversies, particularly with regard to the hypothesized role of lateral-line organs (i.e. neuromasts) in osteogenesis and the consequences for hypotheses of homology of the bones associated with lateral-line canals. Polypteridae, a group of freshwater fishes that occupies a key phylogenetic position as the most basal extant lineage of ray-finned fishes (Actinopterygii), provides an interesting model for the study of the relationships between lateral-line canals and skull bones. We describe the development of bones associated with lateral-line canals in the Senegal Bichir, Polypterus senegalus, and use these data to re-address previous hypotheses of homology of skull bones of polypterids. We demonstrate that the lateral-line canals constitute a separate component of the dermatocranium that may interact with a membranodermal component, thereby forming compound bones in the adult. Differences in the interactions between these components determine the characteristics of the development of each independent bone in the skull of adult P. senegalus. Our results shed light on long-standing controversies about the identity of skull bones such as the rostral, preopercle, and sphenotic in Polypteridae, and suggest the presence of an ancestral two-component pattern of formation of bones associated with lateral-line canals in bony fishes. These findings reveal the need to re-address previous hypotheses of homology of bones associated with lateral-line canals in different groups of bony fishes, especially fossil taxa.
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Affiliation(s)
- Pedro P Rizzato
- Laboratório de Ictiologia de Ribeirão Preto (LIRP), Departamento de Biologia, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil.,Programa de Pós-Graduação em Biologia Comparada, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Anna Pospisilova
- Department of Zoology, Charles University, Prague, Czech Republic
| | - Eric J Hilton
- Department of Fisheries Science, Virginia Institute of Marine Sciences, William & Mary, Gloucester Point, VA, USA
| | - Flávio A Bockmann
- Laboratório de Ictiologia de Ribeirão Preto (LIRP), Departamento de Biologia, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil.,Programa de Pós-Graduação em Biologia Comparada, FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil
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10
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Pospisilova A, Brejcha J, Miller V, Holcman R, Šanda R, Stundl J. Embryonic and larval development of the northern pike: An emerging fish model system for evo-devo research. J Morphol 2019; 280:1118-1140. [PMID: 31188506 DOI: 10.1002/jmor.21005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 04/09/2019] [Accepted: 05/10/2019] [Indexed: 12/24/2022]
Abstract
The northern pike, Esox lucius, is one of the largest temperate freshwater apex predators with a characteristic morphology: an elongated body with pelvic, dorsal, and anal fins located at the rear as a functional feature to sprint predation. However, the typical pike character is its head, which is characterized by a long, flattened snout, a well-armed mouth with numerous teeth, and large eyes characteristic of shallow water visual predators. Although the northern pike is becoming increasingly popular as a model system for ecology and evolutionary research, a detailed staging table has not yet been reported. In this study, we report the first comprehensive staging table for the northern pike, spanning from the one-cell stage to the freely-swimming juvenile stage. In addition to classical embryological descriptions, we use a DAPI staining to distinguish individual cells and embryonic structures during the early development. This dataset, in combination with the genomic and transcriptomic resources already available, serves as a foundation for in-depth mechanistic studies dealing with development using this species.
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Affiliation(s)
- Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jindřich Brejcha
- Department of Zoology, National Museum, Prague, Czech Republic.,Department of Philosophy and History of Science, Charles University, Prague, Czech Republic
| | - Vojtech Miller
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | | | - Radek Šanda
- Department of Zoology, National Museum, Prague, Czech Republic
| | - Jan Stundl
- Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic.,Department of Zoology, National Museum, Prague, Czech Republic
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11
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Stundl J, Pospisilova A, Jandzik D, Fabian P, Dobiasova B, Minarik M, Metscher BD, Soukup V, Cerny R. Bichir external gills arise via heterochronic shift that accelerates hyoid arch development. eLife 2019; 8:43531. [PMID: 30910008 PMCID: PMC6440740 DOI: 10.7554/elife.43531] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 03/15/2019] [Indexed: 12/25/2022] Open
Abstract
In most vertebrates, pharyngeal arches form in a stereotypic anterior-to-posterior progression. To gain insight into the mechanisms underlying evolutionary changes in pharyngeal arch development, here we investigate embryos and larvae of bichirs. Bichirs represent the earliest diverged living group of ray-finned fishes, and possess intriguing traits otherwise typical for lobe-finned fishes such as ventral paired lungs and larval external gills. In bichir embryos, we find that the anteroposterior way of formation of cranial segments is modified by the unique acceleration of the entire hyoid arch segment, with earlier and orchestrated development of the endodermal, mesodermal, and neural crest tissues. This major heterochronic shift in the anteroposterior developmental sequence enables early appearance of the external gills that represent key breathing organs of bichir free-living embryos and early larvae. Bichirs thus stay as unique models for understanding developmental mechanisms facilitating increased breathing capacity.
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Affiliation(s)
- Jan Stundl
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic.,National Museum, Prague, Czech Republic
| | - Anna Pospisilova
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - David Jandzik
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic.,Department of Zoology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovakia
| | - Peter Fabian
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Barbora Dobiasova
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Martin Minarik
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Brian D Metscher
- Department of Theoretical Biology, University of Vienna, Vienna, Austria
| | - Vladimir Soukup
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Robert Cerny
- Department of Zoology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
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12
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Balazova Z, Kasparkova H, Pospisilova A, Balaz M. Impact of 123 i-ioflupane spect on real-life clinical decision making - follow up of 99 patients. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.621] [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: 11/15/2022]
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