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Smits JGA, Cunha DL, Amini M, Bertolin M, Laberthonnière C, Qu J, Owen N, Latta L, Seitz B, Roux LN, Stachon T, Ferrari S, Moosajee M, Aberdam D, Szentmary N, van Heeringen SJ, Zhou H. Identification of the regulatory circuit governing corneal epithelial fate determination and disease. PLoS Biol 2023; 21:e3002336. [PMID: 37856539 PMCID: PMC10586658 DOI: 10.1371/journal.pbio.3002336] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 09/14/2023] [Indexed: 10/21/2023] Open
Abstract
The transparent corneal epithelium in the eye is maintained through the homeostasis regulated by limbal stem cells (LSCs), while the nontransparent epidermis relies on epidermal keratinocytes for renewal. Despite their cellular similarities, the precise cell fates of these two types of epithelial stem cells, which give rise to functionally distinct epithelia, remain unknown. We performed a multi-omics analysis of human LSCs from the cornea and keratinocytes from the epidermis and characterized their molecular signatures, highlighting their similarities and differences. Through gene regulatory network analyses, we identified shared and cell type-specific transcription factors (TFs) that define specific cell fates and established their regulatory hierarchy. Single-cell RNA-seq (scRNA-seq) analyses of the cornea and the epidermis confirmed these shared and cell type-specific TFs. Notably, the shared and LSC-specific TFs can cooperatively target genes associated with corneal opacity. Importantly, we discovered that FOSL2, a direct PAX6 target gene, is a novel candidate associated with corneal opacity, and it regulates genes implicated in corneal diseases. By characterizing molecular signatures, our study unveils the regulatory circuitry governing the LSC fate and its association with corneal opacity.
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Affiliation(s)
- Jos G. A. Smits
- Faculty of Science, Department of Molecular Developmental Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
| | - Dulce Lima Cunha
- Faculty of Science, Department of Molecular Developmental Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
| | - Maryam Amini
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Aniridia Research, Saarland University, Homburg/Saar, Germany
| | | | - Camille Laberthonnière
- Faculty of Science, Department of Molecular Developmental Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
| | - Jieqiong Qu
- Faculty of Science, Department of Molecular Developmental Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
- Department of Medical Microbiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - Nicholas Owen
- Development, Ageing and Disease, UCL Institute of Ophthalmology, London, United Kingdom
| | - Lorenz Latta
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Aniridia Research, Saarland University, Homburg/Saar, Germany
- Department of Ophthalmology, Saarland University Medical Center, UKS, Homburg, Germany
| | - Berthold Seitz
- Department of Ophthalmology, Saarland University Medical Center, UKS, Homburg, Germany
| | | | - Tanja Stachon
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Aniridia Research, Saarland University, Homburg/Saar, Germany
| | | | - Mariya Moosajee
- Development, Ageing and Disease, UCL Institute of Ophthalmology, London, United Kingdom
- Department of Genetics, Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
| | - Daniel Aberdam
- INSERM U976, Paris, France
- Université de Paris, INSERM U1138, Centre des Cordeliers, Paris, France
| | - Nora Szentmary
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Aniridia Research, Saarland University, Homburg/Saar, Germany
| | - Simon J. van Heeringen
- Faculty of Science, Department of Molecular Developmental Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
| | - Huiqing Zhou
- Faculty of Science, Department of Molecular Developmental Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, the Netherlands
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, the Netherlands
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Varas Enríquez PJ, Van Daalen S, Caswell H. Individual stochasticity in the life history strategies of animals and plants. PLoS One 2022; 17:e0273407. [PMID: 36149850 PMCID: PMC9506618 DOI: 10.1371/journal.pone.0273407] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/26/2022] [Indexed: 11/18/2022] Open
Abstract
The life histories of organisms are expressed as rates of development, reproduction, and survival. However, individuals may experience differential outcomes for the same set of rates. Such individual stochasticity generates variance around familiar mean measures of life history traits, such as life expectancy and the reproductive number R0. By writing life cycles as Markov chains, we calculate variance and other indices of variability for longevity, lifetime reproductive output (LRO), age at offspring production, and age at maturity for 83 animal and 332 plant populations from the Comadre and Compadre matrix databases. We find that the magnitude within and variability between populations in variance indices in LRO, especially, are surprisingly high. We furthermore use principal components analysis to assess how the inclusion of variance indices of different demographic outcomes affects life history constraints. We find that these indices, to a similar or greater degree than the mean, explain the variation in life history strategies among plants and animals.
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Affiliation(s)
- Pablo José Varas Enríquez
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
- Department of Human Behavior, Ecology, and Culture, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- BirthRites Independent Max Planck Research Group, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- * E-mail: (PJVE); (SVD)
| | - Silke Van Daalen
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, United States of America
- * E-mail: (PJVE); (SVD)
| | - Hal Caswell
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
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Treep J, de Jager M, Bartumeus F, Soons MB. Seed dispersal as a search strategy: dynamic and fragmented landscapes select for multi-scale movement strategies in plants. Mov Ecol 2021; 9:4. [PMID: 33514441 PMCID: PMC7845050 DOI: 10.1186/s40462-020-00239-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 12/28/2020] [Indexed: 05/26/2023]
Abstract
BACKGROUND Plant dispersal is a critical factor driving ecological responses to global changes. Knowledge on the mechanisms of dispersal is rapidly advancing, but selective pressures responsible for the evolution of dispersal strategies remain elusive. Recent advances in animal movement ecology identified general strategies that may optimize efficiency in animal searches for food or habitat. Here we explore the potential for evolution of similar general movement strategies for plants. METHODS We propose that seed dispersal in plants can be viewed as a strategic search for suitable habitat, where the probability of finding such locations has been optimized through evolution of appropriate dispersal kernels. Using model simulations, we demonstrate how dispersal strategies can optimize key dispersal trade-offs between finding habitat, avoiding kin competition, and colonizing new patches. These trade-offs depend strongly on the landscape, resulting in a tight link between optimal dispersal strategy and spatiotemporal habitat distribution. RESULTS Our findings reveal that multi-scale seed dispersal strategies that combine a broad range of dispersal scales, including Lévy-like dispersal, are optimal across a wide range of dynamic and patchy landscapes. At the extremes, static and patchy landscapes select for dispersal strategies dominated by short distances, while uniform and highly unpredictable landscapes both select for dispersal strategies dominated by long distances. CONCLUSIONS By viewing plant seed dispersal as a strategic search for suitable habitat, we provide a reference framework for the analysis of plant dispersal data. Consideration of the entire dispersal kernel, including distances across the full range of scales, is key. This reference framework helps identify plant species' dispersal strategies, the evolutionary forces determining these strategies and their ecological consequences, such as a potential mismatch between plant dispersal strategy and altered spatiotemporal habitat dynamics due to land use change. Our perspective opens up directions for future studies, including exploration of composite search behaviour and 'informed searches' in plant species with directed dispersal.
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Affiliation(s)
- Jelle Treep
- Ecology & Biodiversity group, Department of Biology, Utrecht University, Padualaan 8, 3584 CH, Utrecht, The Netherlands.
| | - Monique de Jager
- Ecology & Biodiversity group, Department of Biology, Utrecht University, Padualaan 8, 3584 CH, Utrecht, The Netherlands
- Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
| | - Frederic Bartumeus
- Centre d'Estudis Avançats de Blanes (CEAB-CSIC), 17300, Girona, Spain
- CREAF, Cerdanyola del Vallès, 08193, Barcelona, Spain
- ICREA, Pg Lluís Companys 23, 08010, Barcelona, Spain
| | - Merel B Soons
- Ecology & Biodiversity group, Department of Biology, Utrecht University, Padualaan 8, 3584 CH, Utrecht, The Netherlands
- Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
- Centre d'Estudis Avançats de Blanes (CEAB-CSIC), 17300, Girona, Spain
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Voogd J, De Zeeuw CI. Cerebellum: What is in a Name? Historical Origins and First Use of This Anatomical Term. Cerebellum 2020; 19:550-561. [PMID: 32405954 PMCID: PMC7351839 DOI: 10.1007/s12311-020-01133-7] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this paper, we study who first used the Latin anatomical term "cerebellum" for the posterior part of the brain. The suggestion that this term was introduced by Leonardo da Vinci is unlikely. Just before the start of the da Vinci era in the fifteenth century, several authors referred to the cerebellum as "cerebri posteriorus." Instead, in his translation of Galen's anatomical text De utilitare particularum of 1307, Nicolo da Reggio used the Latinized Greek word "parencephalon." More peculiar was the Latin nautical term "puppi," referring to the stern of a ship, that was applied to the cerebellum by Constantine the African in his translation of the Arabic Liber regius in the eleventh century. The first to use the term "cerebellum" appears to be Magnus Hundt in his Anthropologia from 1501. Like many of the anatomists of this period, he was a humanist with an interest in classical literature. They may have encountered the term "cerebellum" in the writings by classical authors such as Celsus, where it was used as the diminutive of "cerebrum" for the small brains of small animals, and, subsequently, applied the term to the posterior part of the brain. In the subsequent decades of the sixteenth century, an increasing number of pre-Vesalian authors of anatomical texts started to use the name "cerebellum," initially often combined with one or more of the earlier terms, but eventually more frequently in isolation. We found that a woodcut in Dryander's Anatomia capitis humani of 1536 is the first realistic picture of the cerebellum.
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Affiliation(s)
- Jan Voogd
- Department of Neuroscience, Erasmus MC, Rotterdam, The Netherlands.
| | - Chris I De Zeeuw
- Department of Neuroscience, Erasmus MC, Rotterdam, The Netherlands
- Royal Dutch Academy of Arts and Sciences, Netherlands Institute for Neuroscience, Amsterdam, The Netherlands
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Ameye M, Allmann S, Verwaeren J, Smagghe G, Haesaert G, Schuurink RC, Audenaert K. Green leaf volatile production by plants: a meta-analysis. New Phytol 2018; 220:666-683. [PMID: 28665020 DOI: 10.1111/nph.14671] [Citation(s) in RCA: 168] [Impact Index Per Article: 28.0] [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: 12/16/2016] [Accepted: 05/02/2017] [Indexed: 05/19/2023]
Abstract
666 I. Introduction 667 II. Biosynthesis 667 III. Meta-analysis 669 IV. The type of stress influences the total amount of GLVs released 669 V. Herbivores can modulate the wound-induced release of GLVs 669 VI. Fungal infection greatly induces GLV production 672 VII. Monocots and eudicots respond differentially to different types of stress 673 VIII. The type of stress does not influence the proportion of GLVs per chemical class 673 IX. The type of stress does influence the isomeric ratio within each chemical class 674 X. GLVs: from signal perception to signal transduction 676 XI. GLVs influence the C/N metabolism 677 XII. Interaction with plant hormones 678 XIII. General conclusions and unanswered questions 678 Acknowledgements 679 References 679 SUMMARY: Plants respond to stress by releasing biogenic volatile organic compounds (BVOCs). Green leaf volatiles (GLVs), which are abundantly produced across the plant kingdom, comprise an important group within the BVOCs. They can repel or attract herbivores and their natural enemies; and they can induce plant defences or prime plants for enhanced defence against herbivores and pathogens and can have direct toxic effects on bacteria and fungi. Unlike other volatiles, GLVs are released almost instantly upon mechanical damage and (a)biotic stress and could thus function as an immediate and informative signal for many organisms in the plant's environment. We used a meta-analysis approach in which data from the literature on GLV production during biotic stress responses were compiled and interpreted. We identified that different types of attackers and feeding styles add a degree of complexity to the amount of emitted GLVs, compared with wounding alone. This meta-analysis illustrates that there is less variation in the GLV profile than we presumed, that pathogens induce more GLVs than insects and wounding, and that there are clear differences in GLV emission between monocots and dicots. Besides the meta-analysis, this review provides an update on recent insights into the perception and signalling of GLVs in plants.
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Affiliation(s)
- Maarten Ameye
- Department of Applied Bioscience, Faculty of Bioscience Engineering, Ghent University, Valentin Vaerwyckweg 1, B-9000, Ghent, Belgium
- Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Silke Allmann
- Department of Plant Physiology, Swammerdam Institute for Life Sciences, University of Amsterdam, PO Box 94215, 1090 GE, Amsterdam, the Netherlands
| | - Jan Verwaeren
- Department of Applied Bioscience, Faculty of Bioscience Engineering, Ghent University, Valentin Vaerwyckweg 1, B-9000, Ghent, Belgium
| | - Guy Smagghe
- Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Geert Haesaert
- Department of Applied Bioscience, Faculty of Bioscience Engineering, Ghent University, Valentin Vaerwyckweg 1, B-9000, Ghent, Belgium
| | - Robert C Schuurink
- Department of Plant Physiology, Swammerdam Institute for Life Sciences, University of Amsterdam, PO Box 94215, 1090 GE, Amsterdam, the Netherlands
| | - Kris Audenaert
- Department of Applied Bioscience, Faculty of Bioscience Engineering, Ghent University, Valentin Vaerwyckweg 1, B-9000, Ghent, Belgium
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Ximénez-Embún MG, Glas JJ, Ortego F, Alba JM, Castañera P, Kant MR. Drought stress promotes the colonization success of a herbivorous mite that manipulates plant defenses. Exp Appl Acarol 2017; 73:297-315. [PMID: 29188401 PMCID: PMC5727147 DOI: 10.1007/s10493-017-0200-4] [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: 07/12/2017] [Accepted: 11/23/2017] [Indexed: 05/08/2023]
Abstract
Climate change is expected to bring longer periods of drought and this may affect the plant's ability to resist pests. We assessed if water deficit affects the tomato russet mite (TRM; Aculops lycopersici), a key tomato-pest. TRM thrives on tomato by suppressing the plant's jamonate defenses while these defenses typically are modulated by drought stress. We observed that the TRM population grows faster and causes more damage on drought-stressed plants. To explain this observation we measured several nutrients, phytohormones, defense-gene expression and the activity of defensive proteins in plants with or without drought stress or TRM. TRM increased the levels of total protein and several free amino acids. It also promoted the SA-response and upregulated the accumulation of jasmonates but down-regulated the downstream marker genes while promoting the activity of cysteine-but not serine-protease inhibitors, polyphenol oxidase and of peroxidase (POD). Drought stress, in turn, retained the down regulation of JA-marker genes and reduced the activity of serine protease inhibitors and POD, and altered the levels of some free-amino acids. When combined, drought stress antagonized the accumulation of POD and JA by TRM and synergized accumulation of free sugars and SA. Our data show that drought stress interacts with pest-induced primary and secondary metabolic changes and promotes pest performance.
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Affiliation(s)
- Miguel G Ximénez-Embún
- Department of Environmental Biology, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain.
| | - Joris J Glas
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
| | - Felix Ortego
- Department of Environmental Biology, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain
| | - Juan M Alba
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
| | - Pedro Castañera
- Department of Environmental Biology, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain
| | - Merijn R Kant
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
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Palm MM, Dallinga MG, van Dijk E, Klaassen I, Schlingemann RO, Merks RMH. Computational Screening of Tip and Stalk Cell Behavior Proposes a Role for Apelin Signaling in Sprout Progression. PLoS One 2016; 11:e0159478. [PMID: 27828952 PMCID: PMC5102492 DOI: 10.1371/journal.pone.0159478] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 05/24/2016] [Indexed: 12/30/2022] Open
Abstract
Angiogenesis involves the formation of new blood vessels by sprouting or splitting of existing blood vessels. During sprouting, a highly motile type of endothelial cell, called the tip cell, migrates from the blood vessels followed by stalk cells, an endothelial cell type that forms the body of the sprout. To get more insight into how tip cells contribute to angiogenesis, we extended an existing computational model of vascular network formation based on the cellular Potts model with tip and stalk differentiation, without making a priori assumptions about the differences between tip cells and stalk cells. To predict potential differences, we looked for parameter values that make tip cells (a) move to the sprout tip, and (b) change the morphology of the angiogenic networks. The screening predicted that if tip cells respond less effectively to an endothelial chemoattractant than stalk cells, they move to the tips of the sprouts, which impacts the morphology of the networks. A comparison of this model prediction with genes expressed differentially in tip and stalk cells revealed that the endothelial chemoattractant Apelin and its receptor APJ may match the model prediction. To test the model prediction we inhibited Apelin signaling in our model and in an in vitro model of angiogenic sprouting, and found that in both cases inhibition of Apelin or of its receptor APJ reduces sprouting. Based on the prediction of the computational model, we propose that the differential expression of Apelin and APJ yields a "self-generated" gradient mechanisms that accelerates the extension of the sprout.
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Affiliation(s)
- Margriet M. Palm
- Life Sciences Group, Centrum Wiskunde & Informatica, Amsterdam, the Netherlands
| | | | - Erik van Dijk
- Life Sciences Group, Centrum Wiskunde & Informatica, Amsterdam, the Netherlands
| | - Ingeborg Klaassen
- Ocular Angiogenesis Group, Academic Medical Center, Amsterdam, the Netherlands
| | | | - Roeland M. H. Merks
- Life Sciences Group, Centrum Wiskunde & Informatica, Amsterdam, the Netherlands
- Mathematical Institute, Leiden University, Leiden, the Netherlands
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Fedoseienko A, Wieringa HW, Wisman GBA, Duiker E, Reyners AKL, Hofker MH, van der Zee AGJ, van de Sluis B, van Vugt MATM. Nuclear COMMD1 Is Associated with Cisplatin Sensitivity in Ovarian Cancer. PLoS One 2016; 11:e0165385. [PMID: 27788210 PMCID: PMC5082896 DOI: 10.1371/journal.pone.0165385] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 10/11/2016] [Indexed: 01/18/2023] Open
Abstract
Copper metabolism MURR1 domain 1 (COMMD1) protein is a multifunctional protein, and its expression has been correlated with patients’ survival in different types of cancer. In vitro studies revealed that COMMD1 plays a role in sensitizing cancer cell lines to cisplatin, however, the mechanism and its role in platinum sensitivity in cancer has yet to be established. We evaluated the role of COMMD1 in cisplatin sensitivity in A2780 ovarian cancer cells and the relation between COMMD1 expression and response to platinum-based therapy in advanced stage high-grade serous ovarian cancer (HGSOC) patients. We found that elevation of nuclear COMMD1 expression sensitized A2780 ovarian cancer cells to cisplatin-mediated cytotoxicity. This was accompanied by a more effective G2/M checkpoint, and decreased protein expression of the DNA repair gene BRCA1, and the apoptosis inhibitor BCL2. Furthermore, COMMD1 expression was immunohistochemically analyzed in two tissue micro-arrays (TMAs), representing a historical cohort and a randomized clinical trial-based cohort of advanced stage HGSOC tumor specimens. Expression of COMMD1 was observed in all ovarian cancer samples, however, specifically nuclear expression of COMMD1 was only observed in a subset of ovarian cancers. In our historical cohort, nuclear COMMD1 expression was associated with an improved response to chemotherapy (OR = 0.167; P = 0.038), although this association could not be confirmed in the second cohort, likely due to sample size. Taken together, these results suggest that nuclear expression of COMMD1 sensitize ovarian cancer to cisplatin, possibly by modulating the G2/M checkpoint and through controlling expression of genes involved in DNA repair and apoptosis.
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Affiliation(s)
- Alina Fedoseienko
- Department of Pediatrics, Molecular Genetics Section, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hylke W. Wieringa
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Gynecological Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - G. Bea A. Wisman
- Department of Gynecological Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Evelien Duiker
- Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Anna K. L. Reyners
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marten H. Hofker
- Department of Pediatrics, Molecular Genetics Section, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Ate G. J. van der Zee
- Department of Gynecological Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Bart van de Sluis
- Department of Pediatrics, Molecular Genetics Section, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- * E-mail: (BvdS); (MATMvV)
| | - Marcel A. T. M. van Vugt
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- * E-mail: (BvdS); (MATMvV)
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