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Bolamperti S, Saito H, Heerdmann S, Hesse E, Taipaleenmäki H. Tgif1-deficiency impairs cytoskeletal architecture in osteoblasts by activating PAK3 signaling. eLife 2024; 13:RP94265. [PMID: 38661167 PMCID: PMC11045221 DOI: 10.7554/elife.94265] [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] [Indexed: 04/26/2024] Open
Abstract
Osteoblast adherence to bone surfaces is important for remodeling bone tissue. This study demonstrates that deficiency of TG-interacting factor 1 (Tgif1) in osteoblasts results in altered cell morphology, reduced adherence to collagen type I-coated surfaces, and impaired migration capacity. Tgif1 is essential for osteoblasts to adapt a regular cell morphology and to efficiently adhere and migrate on collagen type I-rich matrices in vitro. Furthermore, Tgif1 acts as a transcriptional repressor of p21-activated kinase 3 (Pak3), an important regulator of focal adhesion formation and osteoblast spreading. Absence of Tgif1 leads to increased Pak3 expression, which impairs osteoblast spreading. Additionally, Tgif1 is implicated in osteoblast recruitment and activation of bone surfaces in the context of bone regeneration and in response to parathyroid hormone 1-34 (PTH 1-34) treatment in vivo in mice. These findings provide important novel insights in the regulation of the cytoskeletal architecture of osteoblasts.
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Affiliation(s)
- Simona Bolamperti
- Molecular Skeletal Biology Laboratory, Department of Trauma Surgery and Orthopedics, University Medical Center Hamburg-EppendorfHamburgGermany
| | - Hiroaki Saito
- Molecular Skeletal Biology Laboratory, Department of Trauma Surgery and Orthopedics, University Medical Center Hamburg-EppendorfHamburgGermany
- Institute of Musculoskeletal Medicine, LMU University Hospital, LMU MunichMunichGermany
- Musculoskeletal University Center Munich, LMU University Hospital, LMU MunichMunichGermany
| | - Sarah Heerdmann
- Molecular Skeletal Biology Laboratory, Department of Trauma Surgery and Orthopedics, University Medical Center Hamburg-EppendorfHamburgGermany
| | - Eric Hesse
- Molecular Skeletal Biology Laboratory, Department of Trauma Surgery and Orthopedics, University Medical Center Hamburg-EppendorfHamburgGermany
- Institute of Musculoskeletal Medicine, LMU University Hospital, LMU MunichMunichGermany
- Musculoskeletal University Center Munich, LMU University Hospital, LMU MunichMunichGermany
| | - Hanna Taipaleenmäki
- Molecular Skeletal Biology Laboratory, Department of Trauma Surgery and Orthopedics, University Medical Center Hamburg-EppendorfHamburgGermany
- Institute of Musculoskeletal Medicine, LMU University Hospital, LMU MunichMunichGermany
- Musculoskeletal University Center Munich, LMU University Hospital, LMU MunichMunichGermany
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2
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Husar A, Ordyan M, Garcia GC, Yancey JG, Saglam AS, Faeder JR, Bartol TM, Kennedy MB, Sejnowski TJ. MCell4 with BioNetGen: A Monte Carlo simulator of rule-based reaction-diffusion systems with Python interface. PLoS Comput Biol 2024; 20:e1011800. [PMID: 38656994 PMCID: PMC11073787 DOI: 10.1371/journal.pcbi.1011800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/06/2024] [Accepted: 01/03/2024] [Indexed: 04/26/2024] Open
Abstract
Biochemical signaling pathways in living cells are often highly organized into spatially segregated volumes, membranes, scaffolds, subcellular compartments, and organelles comprising small numbers of interacting molecules. At this level of granularity stochastic behavior dominates, well-mixed continuum approximations based on concentrations break down and a particle-based approach is more accurate and more efficient. We describe and validate a new version of the open-source MCell simulation program (MCell4), which supports generalized 3D Monte Carlo modeling of diffusion and chemical reaction of discrete molecules and macromolecular complexes in solution, on surfaces representing membranes, and combinations thereof. The main improvements in MCell4 compared to the previous versions, MCell3 and MCell3-R, include a Python interface and native BioNetGen reaction language (BNGL) support. MCell4's Python interface opens up completely new possibilities for interfacing with external simulators to allow creation of sophisticated event-driven multiscale/multiphysics simulations. The native BNGL support, implemented through a new open-source library libBNG (also introduced in this paper), provides the capability to run a given BNGL model spatially resolved in MCell4 and, with appropriate simplifying assumptions, also in the BioNetGen simulation environment, greatly accelerating and simplifying model validation and comparison.
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Affiliation(s)
- Adam Husar
- Computational Neurobiology Lab, Salk Institute for Biological Studies, La Jolla, California, United States of America
| | - Mariam Ordyan
- Institute for Neural Computations, University of California, San Diego, La Jolla, California, United States of America
| | - Guadalupe C. Garcia
- Computational Neurobiology Lab, Salk Institute for Biological Studies, La Jolla, California, United States of America
| | - Joel G. Yancey
- Computational Neurobiology Lab, Salk Institute for Biological Studies, La Jolla, California, United States of America
| | - Ali S. Saglam
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - James R. Faeder
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Thomas M. Bartol
- Computational Neurobiology Lab, Salk Institute for Biological Studies, La Jolla, California, United States of America
| | - Mary B. Kennedy
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, United States of America
| | - Terrence J. Sejnowski
- Computational Neurobiology Lab, Salk Institute for Biological Studies, La Jolla, California, United States of America
- Institute for Neural Computations, University of California, San Diego, La Jolla, California, United States of America
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3
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Chirasani VR, Khan MAI, Malavade JN, Dokholyan NV, Hoffman BD, Campbell SL. Molecular basis and cellular functions of vinculin-actin directional catch bonding. Nat Commun 2023; 14:8300. [PMID: 38097542 PMCID: PMC10721916 DOI: 10.1038/s41467-023-43779-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023] Open
Abstract
The ability of cells and tissues to respond differentially to mechanical forces applied in distinct directions is mediated by the ability of load-bearing proteins to preferentially maintain physical linkages in certain directions. However, the molecular basis and biological consequences of directional force-sensitive binding remain unclear. Vinculin (Vcn) is a load-bearing linker protein that exhibits directional catch bonding due to interactions between the Vcn tail domain (Vt) and filamentous (F)-actin. We developed a computational approach to predict Vcn residues involved in directional catch bonding and produced a set of associated Vcn variants with unaltered Vt structure, actin binding, or phospholipid interactions. Incorporation of the variants did not affect Vcn activation but reduced Vcn loading and altered exchange dynamics, consistent with the loss of directional catch bonding. Expression of Vcn variants perturbed the coordination of subcellular structures and cell migration, establishing key cellular functions for Vcn directional catch bonding.
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Affiliation(s)
- Venkat R Chirasani
- Department of Biochemistry & Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Mohammad Ashhar I Khan
- Department of Biochemistry & Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Juilee N Malavade
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Nikolay V Dokholyan
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, USA.
- Department of Biochemistry & Molecular Biology, Penn State College of Medicine, Hershey, PA, USA.
- Department of Chemistry, Penn State College of Medicine, Hershey, PA, USA.
| | - Brenton D Hoffman
- Department of Biomedical Engineering, Duke University, Durham, NC, USA.
- Department of Cell Biology, Duke University, Durham, NC, USA.
| | - Sharon L Campbell
- Department of Biochemistry & Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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4
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Endo K, Sato T, Umetsu A, Watanabe M, Hikage F, Ida Y, Ohguro H, Furuhashi M. 3D culture induction of adipogenic differentiation in 3T3-L1 preadipocytes exhibits adipocyte-specific molecular expression patterns and metabolic functions. Heliyon 2023; 9:e20713. [PMID: 37867843 PMCID: PMC10585234 DOI: 10.1016/j.heliyon.2023.e20713] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/15/2023] [Accepted: 10/04/2023] [Indexed: 10/24/2023] Open
Abstract
Adipose tissues are closely related to physiological functions and pathological conditions in most organs. Although differentiated 3T3-L1 preadipocytes have been used for in vitro adipose studies, the difference in cellular characteristics of adipogenic differentiation in two-dimensional (2D) culture and three-dimensional (3D) culture remain unclear. In this study, we evaluated gene expression patterns using RNA sequencing and metabolic functions using an extracellular flux analyzer in 3T3-L1 preadipocytes with and without adipogenic induction in 2D culture and 3D culture. In 2D culture, 565 up-regulated genes and 391 down-regulated genes were identified as differentially expressed genes (DEGs) by adipogenic induction of 3T3-L1 preadipocytes, whereas only 69 up-regulated genes and 59 down-regulated genes were identified as DEGs in 3D culture. Ingenuity Pathway Analysis (IPA) revealed that genes associated with lipid metabolism were identified as 2 out of the top 3 causal networks related to diseases and function in 3D spheroids, whereas only one network related to lipid metabolism was identified within the top 9 of these causal networks in the 2D planar cells, suggesting that adipogenic induction in the 3D culture condition exhibits a more adipocyte-specific gene expression pattern in 3T3-L1 preadipocytes. Real-time metabolic analysis revealed that the metabolic capacity shifted from glycolysis to mitochondrial respiration in differentiated 3T3-L1 cells in the 3D culture condition but not in those in the 2D cultured condition, suggesting that adipogenic differentiation in 3D culture induces a metabolic phenotype of well-differentiated adipocytes. Consistently, expression levels of mitochondria-encoded genes including mt-Nd6, mt-Cytb, and mt-Co1 were significantly increased by adipogenic induction of 3T3-L1 preadipocytes in 3D culture compared with those in 2D culture. Taken together, the findings suggest that induction of adipogenesis in 3D culture provides a more adipocyte-specific gene expression pattern and enhances mitochondrial respiration, resulting in more adipocyte-like cellular properties.
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Affiliation(s)
- Keisuke Endo
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tatsuya Sato
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Cellular Physiology and Signal Transduction, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Araya Umetsu
- Department of Ophthalmology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Megumi Watanabe
- Department of Ophthalmology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Fumihito Hikage
- Department of Ophthalmology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yosuke Ida
- Department of Ophthalmology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroshi Ohguro
- Department of Ophthalmology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masato Furuhashi
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
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5
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Maher S, Bayachou M, Fu P, Hijaz A, Liu G. Focal adhesion kinase activation is involved in contractile stimulation-induced detrusor muscle contraction in mice. Eur J Pharmacol 2023; 952:175807. [PMID: 37236435 PMCID: PMC10330804 DOI: 10.1016/j.ejphar.2023.175807] [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: 03/13/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 05/28/2023]
Abstract
Recent studies suggested smooth muscle contraction may involve mechanisms besides the myosin regulatory light chain (MLC) phosphorylation-induced actomyosin crossbridge cycling. This study aims to determine if focal adhesion kinase (FAK) activation is involved in mouse detrusor muscle contraction. The mouse detrusor muscle strips were preincubated with PF-573228 (2 μM), latrunculin B (1 μM), or the same volume of vehicle (DMSO) for 30 min. The contractile responses to KCl (90 mM), electrical field stimulation (EFS, 2-32 Hz), or carbachol (CCh, 10-7.5-10-4.5 M) were measured. In a separate experiment, the phosphorylated FAK (p-FAK) and MLC (p-MLC) levels were measured in the detrusor strips stimulated with CCh (10 μM) after incubation with PF-573228 or vehicle (DMSO) compared to those with vehicle incubation but without CCh stimulation. KCl-induced contractile responses decreased significantly after incubation with PF-573228 or latrunculin B compared to the corresponding vehicle-treated strips (p < 0.0001). The contractile responses induced by EFS were markedly inhibited by preincubation with PF-573228 at 8, 16, and 32 Hz (p < 0.05) or latrunculin B at 16 and 32 Hz (p < 0.01). Following the application of PF-573228 or Latrunculin B, CCh-induced dose-response contractions were lower than the corresponding vehicle group (p = 0.0021 and 0.0003, respectively). Western blot examination showed that CCh stimulation enhanced the expression of p-FAK and p-MLC, while preincubation with PF-573228 prevented the increase of p-FAK but not p-MLC. In conclusion, FAK activation involves tension development induced by contractile stimulation in the mouse detrusor muscle. This effect is likely caused by promoting actin polymerization rather than elevating MLC phosphorylation.
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Affiliation(s)
- Shaimaa Maher
- Department of Surgery, MetroHealth Medical Center, Case Western Reserve University, Cleveland, OH, USA; Department of Chemistry, Cleveland State University, Cleveland, OH, USA
| | - Mekki Bayachou
- Department of Chemistry, Cleveland State University, Cleveland, OH, USA; Department of Inflammation & Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Pingfu Fu
- Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - Adonis Hijaz
- Department of Urology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, OH, USA
| | - Guiming Liu
- Department of Surgery, MetroHealth Medical Center, Case Western Reserve University, Cleveland, OH, USA.
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Du X, Fu Y, Tian Z, Liu H, Xin H, Fu X, Wang F, Zhang H, Zeng X. Microcystin-LR accelerates follicular atresia in mice via JNK-mediated adherent junction damage of ovarian granulosa cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 252:114592. [PMID: 36731181 DOI: 10.1016/j.ecoenv.2023.114592] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 06/18/2023]
Abstract
Microcystin-LR (MC-LR), one of aquatic environmental contaminants with reproductive toxicity produced by cyanobacterial blooms, but its toxic effects and mechanisms on the ovary are not fully understood. Here, proteomic techniques and molecular biology experiments were performed to study the potential mechanism of MC-LR-caused ovarian toxicity. Results showed that protein expression profile of ovarian granulosa cells (KK-1) was changed by 17 μg/mL MC-LR exposure. Comparing with the control group, 118 upregulated proteins as well as 97 downregulated proteins were identified in MC-LR group. Function of differentially expressed proteins was found to be enriched in pathways related to adherent junction, such as cadherin binding, cell-cell junction, cell adhesion and focal adherens. Furthermore, in vitro experiments, MC-LR significantly downregulated the expression levels of proteins associated with adherent junction (β-catenin, N-cadherin, and α-catenin) as well as caused cytoskeletal disruption in KK-1 cells (P < 0.05), indicating that the adherent junction was damaged. Results of in vivo experiments have shown that after 14 days of acute MC-LR exposure (40 μg/kg), damaged adherent junction and an increased number of atretic follicles were observed in mouse ovaries. Moreover, MC-LR activated JNK, an upstream regulator of adherent junction proteins, in KK-1 cells and mouse ovarian tissues. In contrast, JNK inhibition alleviated MC-LR-induced adherent junction damage in vivo and in vitro, as well as the number of atretic follicles. Taken together, findings from the present study indicated that JNK is involved in MC-LR-induced granulosa cell adherent junction damage, which accelerated follicular atresia. Our study clarified a novel mechanism of MC-LR-caused ovarian toxicity, providing a theoretical foundation for protecting female reproductive health from environmental pollutants.
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Affiliation(s)
- Xingde Du
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yu Fu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Zhihui Tian
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Haohao Liu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Hongxia Xin
- Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, Zhengzhou 450003, China
| | - Xiaoli Fu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Fufang Wang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Huizhen Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China.
| | - Xin Zeng
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China.
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7
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Khalil K, Eon A, Janody F. Cell Architecture-Dependent Constraints: Critical Safeguards to Carcinogenesis. Int J Mol Sci 2022; 23:ijms23158622. [PMID: 35955754 PMCID: PMC9369145 DOI: 10.3390/ijms23158622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 02/04/2023] Open
Abstract
Animal cells display great diversity in their shape. These morphological characteristics result from crosstalk between the plasma membrane and the force-generating capacities of the cytoskeleton macromolecules. Changes in cell shape are not merely byproducts of cell fate determinants, they also actively drive cell fate decisions, including proliferation and differentiation. Global and local changes in cell shape alter the transcriptional program by a multitude of mechanisms, including the regulation of physical links between the plasma membrane and the nuclear envelope and the mechanical modulation of cation channels and signalling molecules. It is therefore not surprising that anomalies in cell shape contribute to several diseases, including cancer. In this review, we discuss the possibility that the constraints imposed by cell shape determine the behaviour of normal and pro-tumour cells by organizing the whole interconnected regulatory network. In turn, cell behaviour might stabilize cells into discrete shapes. However, to progress towards a fully transformed phenotype and to acquire plasticity properties, pro-tumour cells might need to escape these cell shape restrictions. Thus, robust controls of the cell shape machinery may represent a critical safeguard against carcinogenesis.
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Affiliation(s)
- Komal Khalil
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; (K.K.); (A.E.)
- IPATIMUP—Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- Master Programme in Oncology, School of Medicine & Biomedical Sciences, University of Porto (ICBAS-UP), Rua Jorge Viterbo Ferreira 228, 4050-513 Porto, Portugal
| | - Alice Eon
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; (K.K.); (A.E.)
- IPATIMUP—Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- Magistère Européen de Génétique, Université Paris Cité, 5 Rue Thomas Mann, 75013 Paris, France
| | - Florence Janody
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; (K.K.); (A.E.)
- IPATIMUP—Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- Correspondence:
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8
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Fernandes J, Karra N, Bowring J, Reale R, James J, Blume C, Pell TJ, Rowan WC, Davies DE, Swindle EJ, Morgan H. Real-time monitoring of epithelial barrier function by impedance spectroscopy in a microfluidic platform. LAB ON A CHIP 2022; 22:2041-2054. [PMID: 35485428 DOI: 10.1039/d1lc01046h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
A multichannel microfluidic platform for real-time monitoring of epithelial barrier integrity by electrical impedance has been developed. Growth and polarization of human epithelial cells from the airway or gastrointestinal tract was continuously monitored over 5 days in 8 parallel, individually perfused microfluidic chips. Electrical impedance data were continuously recorded to monitor cell barrier formation using a low-cost bespoke impedance analyser. Data was analysed using an electric circuit model to extract the equivalent transepithelial electrical resistance and epithelial cell layer capacitance. The cell barrier integrity steadily increased overtime, achieving an average resistance of 418 ± 121 Ω cm2 (airway cells) or 207 ± 59 Ω cm2 (gastrointestinal cells) by day 5. The utility of the polarized airway epithelial barrier was demonstrated using a 24 hour challenge with double stranded RNA to mimic viral infection. This caused a rapid decrease in barrier integrity in association with disruption of tight junctions, whereas simultaneous treatment with a corticosteroid reduced this effect. The platform is able to measure barrier integrity in real-time and is scalable, thus has the potential to be used for drug development and testing.
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Affiliation(s)
- João Fernandes
- Electronics and Computer Science, Faculty of Physical Sciences and Engineering, University of Southampton, UK.
| | - Nikita Karra
- Electronics and Computer Science, Faculty of Physical Sciences and Engineering, University of Southampton, UK.
| | - Joel Bowring
- Electronics and Computer Science, Faculty of Physical Sciences and Engineering, University of Southampton, UK.
| | - Riccardo Reale
- Electronics and Computer Science, Faculty of Physical Sciences and Engineering, University of Southampton, UK.
| | - Jonathan James
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK
| | - Cornelia Blume
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK
- Institute for Life Sciences, University of Southampton, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton, UK
| | - Theresa J Pell
- Novel Human Genetics Research Unit, GlaxoSmithKline R&D, Stevenage, Hertfordshire, UK
| | - Wendy C Rowan
- Novel Human Genetics Research Unit, GlaxoSmithKline R&D, Stevenage, Hertfordshire, UK
| | - Donna E Davies
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK
- Institute for Life Sciences, University of Southampton, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton, UK
| | - Emily J Swindle
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK
- Institute for Life Sciences, University of Southampton, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton, UK
| | - Hywel Morgan
- Electronics and Computer Science, Faculty of Physical Sciences and Engineering, University of Southampton, UK.
- Institute for Life Sciences, University of Southampton, UK
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