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Adams JC, Tucker RP. The evolution of tenascins. BMC Ecol Evol 2024; 24:121. [PMID: 39277743 PMCID: PMC11401434 DOI: 10.1186/s12862-024-02306-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 09/03/2024] [Indexed: 09/17/2024] Open
Abstract
BACKGROUND The evolution of extracellular matrix is tightly linked to the evolution of organogenesis in metazoans. Tenascins are extracellular matrix glycoproteins of chordates that participate in integrin-signaling and morphogenetic events. Single tenascins are encoded by invertebrate chordates, and multiple tenascin paralogs are found in vertebrates (designated tenascin-C, tenascin-R, tenascin-W and tenascin-X) yet, overall, the evolution of this family has remained unclear. RESULTS This study examines the genomes of hemichordates, cephalochordates, tunicates, agnathans, cartilaginous fishes, lobe-finned fishes, ray-finned fishes and representative tetrapods to identify predicted tenascin proteins. We comprehensively assess their evolutionary relationships by sequence conservation, molecular phylogeny and examination of conservation of synteny of the encoding genes. The resulting new evolutionary model posits the origin of tenascin in an ancestral chordate, with tenascin-C-like and tenascin-R-like paralogs emerging after a whole genome duplication event in an ancestral vertebrate. Tenascin-X appeared following a second round of whole genome duplication in an ancestral gnathostome, most likely from duplication of the gene encoding the tenascin-R homolog. The fourth gene, encoding tenascin-W (also known as tenascin-N), apparently arose from a local duplication of tenascin-R. CONCLUSIONS The diversity of tenascin paralogs observed in agnathans and gnathostomes has evolved through selective retention of novel genes that arose from a combination of whole genome and local duplication events. The evolutionary appearance of specific tenascin paralogs coincides with the appearance of vertebrate-specific cell and tissue types where the paralogs are abundantly expressed, such as the endocranium and facial skeleton (tenascin-C), an expanded central nervous system (tenascin-R), and bone (tenascin-W).
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Affiliation(s)
| | - Richard P Tucker
- Department of Cell Biology and Human Anatomy, University of California, Davis, CA, 95616, USA.
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Abstract
Tenascin-C is a large, multimodular, extracellular matrix glycoprotein that exhibits a very restricted pattern of expression but an enormously diverse range of functions. Here, we discuss the importance of deciphering the expression pattern of, and effects mediated by, different forms of this molecule in order to fully understand tenascin-C biology. We focus on both post transcriptional and post translational events such as splicing, glycosylation, assembly into a 3D matrix and proteolytic cleavage, highlighting how these modifications are key to defining tenascin-C function.
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Key Words
- AD1/AD2, additional domain 1/ additional domain 2
- ADAMTS, a disintegrin and metalloproteinase with thrombospondin motifs
- ASMCs, aortic smooth muscle cells
- BDNF, brain derived neurotrophic factor
- BHKs, baby hamster kidney cells
- BMP, bone morphogenetic protein
- CA19–9, carbohydrate antigen 19–9
- CALEB, chicken acidic leucine-rich EGF-like domain containing brain protein
- CEA, carcinoembryonic antigen
- CNS, central nervous system
- CRC, colorectal carcinomas
- CTGF, connective tissue growth factor
- DCIS, ductal carcinoma in-situ
- ECM, extracellular matrix
- EDA-FN, extra domain A containing fibronectin
- EDB-FN, extra domain B containing fibronectin
- EGF-L, epidermal growth factor-like
- EGF-R, epidermal growth factor receptor
- ELISPOT, enzyme-linked immunospot assay
- FBG, fibrinogen-like globe
- FGF2, fibroblast growth factor 2
- FGF4, fibroblast growth factor 4
- FN, fibronectin
- FNIII, fibronectin type III-like repeat
- GMEM, glioma-mesenchymal extracellular matrix antigen
- GPI, glycosylphosphatidylinositol
- HB-EGF, heparin-binding EGF-like growth factor
- HCEs, immortalized human corneal epithelial cell line
- HGF, hepatocyte growth factor
- HNK-1, human natural killer-1
- HSPGs, heparan sulfate proteoglycans
- HUVECs, human umbilical vein endothelial cells
- ICC, immunocytochemistry
- IF, immunofluorescence
- IFNγ, interferon gamma
- IGF, insulin-like growth factor
- IGF-BP, insulin-like growth factor-binding protein
- IHC, immunohistochemistry
- IL, interleukin
- ISH, in situ hybridization
- LPS, lipopolysaccharide
- MMP, matrix metalloproteinase
- MPNSTs, malignant peripheral nerve sheath tumors
- Mr, molecular mass
- NB, northern blot
- NF-kB, nuclear factor kappa-light-chain-enhancer of activated B cells
- NK, natural killer cells
- NSCLC, non-small cell lung carcinoma
- NSCs, neural stem cells
- NT, neurotrophin
- PAMPs, pathogen-associated molecular patterns
- PDGF, platelet derived growth factor
- PDGF-Rβ, platelet derived growth factor receptor β
- PIGF, phosphatidylinositol-glycan biosynthesis class F protein
- PLCγ, phospholipase-C gamma
- PNS, peripheral nervous system
- PTPRζ1, receptor-type tyrosine-protein phosphatase zeta
- RA, rheumatoid arthritis
- RCC, renal cell carcinoma
- RD, rhabdomyosarcoma
- RGD, arginylglycylaspartic acid
- RT-PCR, real-time polymerase chain reaction
- SB, Southern blot
- SCC, squamous cell carcinoma
- SMCs, smooth muscle cells
- SVZ, sub-ventricular zone
- TA, tenascin assembly domain
- TGFβ, transforming growth factor β
- TIMP, tissue inhibitor of metalloproteinases
- TLR4, toll-like receptor 4
- TNFα, tumor necrosis factor α
- TSS, transcription start site
- UBC, urothelial bladder cancer
- UCC, urothelial cell carcinoma
- VEGF, vascular endothelial growth factor
- VSMCs, vascular smooth muscle cells
- VZ, ventricular zone
- WB, immunoblot/ western blot
- bFGF, basic fibroblast growth factor
- biosynthesis
- c, charged
- cancer
- ccRCC, clear cell renal cell carcinoma
- chRCC, chromophobe-primary renal cell carcinoma
- development
- glycosylation
- mAb, monoclonal antibody
- matrix assembly
- mitogen-activated protein kinase, MAPK
- pHo, extracellular pH
- pRCC, papillary renal cell carcinoma
- proteolytic cleavage
- siRNA, small interfering RNA
- splicing
- tenascin-C
- therapeutics
- transcription
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Affiliation(s)
- Sean P Giblin
- a Nuffield Department of Orthopaedics; Rheumatology and Musculoskeletal Sciences ; Kennedy Institute of Rheumatology; University of Oxford ; Oxford , UK
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Valcourt U, Alcaraz LB, Exposito JY, Lethias C, Bartholin L. Tenascin-X: beyond the architectural function. Cell Adh Migr 2015; 9:154-65. [PMID: 25793578 PMCID: PMC4422802 DOI: 10.4161/19336918.2014.994893] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Tenascin-X is the largest member of the tenascin (TN) family of evolutionary conserved extracellular matrix glycoproteins, which also comprises TN-C, TN-R and TN-W. Among this family, TN-X is the only member described so far to exert a crucial architectural function as evidenced by a connective tissue disorder (a recessive form of Ehlers-Danlos syndrome) resulting from a loss-of-function of this glycoprotein in humans and mice. However, TN-X is more than an architectural protein, as it displays features of a matricellular protein by modulating cell adhesion. However, the cellular functions associated with the anti-adhesive properties of TN-X have not yet been revealed. Recent findings indicate that TN-X is also an extracellular regulator of signaling pathways. Indeed, TN-X has been shown to regulate the bioavailability of the Transforming Growth Factor (TGF)-β and to modulate epithelial cell plasticity. The next challenges will be to unravel whether the signaling functions of TN-X are functionally linked to its matricellular properties.
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Key Words
- ECM, extracellular matrix
- EDS, Ehlers-Danlos syndrome
- EGF, epidermal growth factor
- EMT, epithelial-to-mesenchymal transition
- Ehlers-Danlos syndrome (EDS)
- FAK, focal adhesion kinase
- FBG, fibrinogen-like domain
- FNIII, fibronectin type III module
- LAP, latency associated peptide
- MMP, matrix metalloproteinase
- SLC, small latent complex
- TGF-β
- TGF-β activation
- TN, tenascin
- TSP-1, thrombospondin-1
- VEGF, vascular endothelial growth factor
- cell signaling
- epithelial-to-mesenchymal transition (EMT)
- integrin α11β1
- matricellular protein
- tenascin-X
- transforming growth factor-β
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Affiliation(s)
- Ulrich Valcourt
- a Inserm U1052, Centre de Recherche en Cancérologie de Lyon , Lyon , France
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Mosher DF, Adams JC. Adhesion-modulating/matricellular ECM protein families: a structural, functional and evolutionary appraisal. Matrix Biol 2012; 31:155-61. [PMID: 22265890 DOI: 10.1016/j.matbio.2012.01.003] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2011] [Revised: 12/26/2011] [Accepted: 12/28/2011] [Indexed: 11/15/2022]
Abstract
The thrombospondins are a family of secreted, oligomeric glycoproteins that interact with cell surfaces, multiple components of the extracellular matrix, growth factors and proteases. These interactions underlie complex roles in cell interactions and tissue homeostasis in animals. Thrombospondins have been grouped functionally with SPARCs, tenascins and CCN proteins as adhesion-modulating or matricellular components of the extracellular milieu. Although all these multi-domain proteins share various commonalities of domains, the grouping is not based on structural homologies. Instead, the terms emphasise the general observations that these proteins do not form large-scale ECM structures, yet act at cell surfaces and function in coordination with the structural ECM and associated extracellular proteins. The designation of adhesion-modulation thus depends on observed tissue and cell culture ECM distributions and on experimentally identified functional properties. To date, the evolutionary relationships of these proteins have not been critically compared: yet, knowledge of their evolutionary histories is clearly relevant to any consideration of functional similarities. In this article, we survey briefly the structural and functional knowledge of these protein families, consider the evolution of each family, and outline a perspective on their functional roles.
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Affiliation(s)
- Deane F Mosher
- Department of Biomolecular Chemistry and Medicine, University of Wisconsin, Madison, WI 57706, USA
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Lethias C, Carisey A, Comte J, Cluzel C, Exposito JY. A model of tenascin-X integration within the collagenous network. FEBS Lett 2006; 580:6281-5. [PMID: 17078949 DOI: 10.1016/j.febslet.2006.10.037] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2006] [Revised: 10/17/2006] [Accepted: 10/19/2006] [Indexed: 10/24/2022]
Abstract
Tenascin-X is an extracellular matrix protein whose absence leads to an Ehlers-Danlos syndrome in humans, characterized mainly by disorganisation of collagen and elastic fibril networks. After producing recombinant full-length tenascin-X in mammalian cells, we find that this protein assembled into disulfide-linked oligomers. Trimers were the predominant form observed using rotary shadowing. By solid phase interaction studies, we demonstrate that tenascin-X interacts with types I, III and V fibrillar collagen molecules when they are in native conformation. The use of tenascin-X variants with large regions deleted indicated that both epidermal growth factor repeats and the fibrinogen-like domain are involved in this interaction. Moreover, we demonstrate that tenascin-X binds to the fibril-associated types XII and XIV collagens. We thus suggest that tenascin-X, via trimerization and multiple interactions with components of collagenous fibrils, plays a crucial role in the organisation of extracellular matrices.
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Affiliation(s)
- Claire Lethias
- Institut de Biologie et Chimie des Protéines, IFR 128 Biosciences Lyon-Gerland, CNRS UMR 5086, Université de Lyon, 7 Passage du Vercors, 69367 Lyon Cedex 07, France.
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Midwood KS, Schwarzbauer JE. Tenascin-C modulates matrix contraction via focal adhesion kinase- and Rho-mediated signaling pathways. Mol Biol Cell 2002; 13:3601-13. [PMID: 12388760 PMCID: PMC129969 DOI: 10.1091/mbc.e02-05-0292] [Citation(s) in RCA: 108] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
A provisional matrix consisting of fibrin and fibronectin (FN) is deposited at sites of tissue damage and repair. This matrix serves as a scaffold for fibroblast migration into the wound where these cells deposit new matrix to replace lost or damaged tissue and eventually contract the matrix to bring the margins of the wound together. Tenascin-C is expressed transiently during wound repair in tissue adjacent to areas of injury and contacts the provisional matrix in vivo. Using a synthetic model of the provisional matrix, we have found that tenascin-C regulates cell responses to a fibrin-FN matrix through modulation of focal adhesion kinase (FAK) and RhoA activation. Cells on fibrin-FN+tenascin-C redistribute their actin to the cell cortex, downregulate focal adhesion formation, and do not assemble a FN matrix. Cells surrounded by a fibrin-FN+tenascin-C matrix are unable to induce matrix contraction. The inhibitory effect of tenascin-C is circumvented by downstream activation of RhoA. FAK is also required for matrix contraction and the absence of FAK cannot be overcome by activation of RhoA. These observations show dual requirements for both FAK and RhoA activities during contraction of a fibrin-FN matrix. The effects of tenascin-C combined with its location around the wound bed suggest that this protein regulates fundamental processes of tissue repair by limiting the extent of matrix deposition and contraction to fibrin-FN-rich matrix in the primary wound area.
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Affiliation(s)
- Kim S Midwood
- Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014, USA
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Abstract
During mammalian brain development, neurons are generated along the ventricle, migrate radially, and become aligned in defined patterns. These precise patterns of neuronal alignment are regulated by an extracellular matrix protein Reelin, and binding of Reelin to its receptors induces tyrosine phosphorylation of the intracellular adaptor protein disabled 1 (Dab1). We recently reported that Reelin molecules assemble to form a homomeric protein complex. Although the number of molecules in the full-length complex is unknown, recombinant N-terminal fragments, which contain the epitope for the function-blocking CR-50 antibody, assembled to form a complex of more than 40 monomers. When the N-terminus was deleted from Reelin, the truncated protein did not form a stable complex. To further characterize the Reelin assembly, we performed biochemical analysis of the full-length Reelin assembly in this study. Here, we report that a full-length Reelin forms a disulfide-linked homodimer. A chemical crosslinking experiment on secreted Reelin confirmed that only dimers are formed by the full-length protein. However, interestingly, chemical crosslinking of the N-terminus-truncated Reelin resulted in the formation of larger complexes, in addition to dimers, suggesting that the tertiary structure required for the proper and stable assembly/dimerization was altered by the truncation. The truncated protein did not induce efficient tyrosine phosphorylation of Dab1, although it bound well to the receptors. These findings demonstrate the functional importance of the N-terminal region of Reelin for proper dimerization and signaling. Proper but not simple extracellular crosslinking of the receptors by these dimers may be important for Reelin signaling to occur.
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Affiliation(s)
- Ken-ichiro Kubo
- Department of Molecular Neurobiology, Institute of DNA Medicine, Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo 105-8461, Japan
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Abstract
Tenascin-C (TN-C) is a modular and multifunctional extracellular matrix (ECM) glycoprotein that is exquisitely regulated during embryonic development and in adult tissue remodeling. TN-C gene transcription is controlled by intracellular signals that are generated by multiple soluble factors, integrins and mechanical forces. These external cues are interpreted by particular DNA control elements that interact with different classes of transcription factors to activate or repress TN-C expression in a cell type- and differentiation-dependent fashion. Among the transcriptional regulators of the TN-C gene that have been identified, the homeobox family of proteins has emerged as a major player. Downstream from TN-C, intracellular signals that are relayed via specific cell surface receptors often impart contrary cellular functions, even within the same cell type. A key to understanding this behavior may lie in the dual ability of TN-C-enriched extracellular matrices to generate intracellular signals, and to define unique cellular morphologies that modulate these signal transduction pathways. Thus, despite the contention that TN-C null mice appear to develop and act normally, TN-C biology continues to provide a wealth of information regarding the complex nature of the ECM in development and disease.
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Affiliation(s)
- P L Jones
- Pediatric Cardiology Research, Abramson Research Center, Children's Hospital of Philadelphia & The University of Pennsylvania School of Medicine, 34th Street and Civic Center Boulevard, Philadelphia, PA, 19104, USA.
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Abstract
Cell binding to extracellular matrix (ECM) components changes cytoskeletal organization by the activation of Rho family GTPases. Tenascin-C, a developmentally regulated matrix protein, modulates cellular responses to other matrix proteins, such as fibronectin (FN). Here, we report that tenascin-C markedly altered cell phenotype on a three-dimensional fibrin matrix containing FN, resulting in suppression of actin stress fibers and induction of actin-rich filopodia. This distinct morphology was associated with complete suppression of the activation of RhoA, a small GTPase that induces actin stress fiber formation. Enforced activation of RhoA circumvented the effects of tenascin. Effects of active Rho were reversed by a Rho inhibitor C3 transferase. Suppression of GTPase activation allows tenascin-C expression to act as a regulatory switch to reverse the effects of adhesive proteins on Rho function. This represents a novel paradigm for the regulation of cytoskeletal organization by ECM.
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Affiliation(s)
- Melissa B. Wenk
- Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014
| | - Kim S. Midwood
- Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014
| | - Jean E. Schwarzbauer
- Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544-1014
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Sta Iglesia DD, Gala PH, Qiu T, Stepp MA. Integrin expression during epithelial migration and restratification in the tenascin-C-deficient mouse cornea. J Histochem Cytochem 2000; 48:363-76. [PMID: 10681390 DOI: 10.1177/002215540004800306] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In the unwounded cornea, tenascin-C localizes to a short stretch of the basement membrane zone at the corneoscleral junction or limbus. To determine whether the function of the limbus is affected by the absence of tenascin-C, mice possessing a deletion of tenascin-C and strain-matched wild-type mice are used in corneal debridement wounding experiments. The expression of integrins (alpha3, alpha9, and beta4) in the tenascin-C knockout corneas is evaluated by producing polyclonal cytoplasmic domain antipeptide sera and performing immunofluorescence microscopy. In addition, we evaluate the localization of several other proteins involved in wound healing, including fibronectin, laminin beta1, nidogen/entactin, and VCAM-1, in both the tenascin knockout and wild-type mice. There are no differences in healing rate, scarring, or neovascularization after corneal debridement wounds. alpha9 integrin is expressed at the limbal border of unwounded tenascin-C knockout animals and is upregulated during migration only after the larger wounds. At 8 weeks after larger wounds, the localization of alpha9 again becomes restricted to the limbal border. Results show that tenascin-C is not required for development or maintenance of the corneal limbus or for normal re-epithelialization of corneal epithelial cells after debridement wounding.
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Affiliation(s)
- D D Sta Iglesia
- Department of Anatomy, The George Washington University Medical Center, Washington, DC, USA
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Loewen CJ, Molday RS. Disulfide-mediated oligomerization of Peripherin/Rds and Rom-1 in photoreceptor disk membranes. Implications for photoreceptor outer segment morphogenesis and degeneration. J Biol Chem 2000; 275:5370-8. [PMID: 10681511 DOI: 10.1074/jbc.275.8.5370] [Citation(s) in RCA: 101] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Peripherin/Rds is a tetraspanning membrane protein that has been implicated in photoreceptor outer segment morphogenesis and inherited retinal degenerative diseases. Together with the structurally related protein, Rom-1, it forms a complex along the rims of rod and cone disc membranes. We have compared the oligomeric structure of these proteins from nonreduced and dithiothreitol reduced membranes by velocity sedimentation, SDS-gel electrophoresis, immunoaffinity chromatography, and chemical cross-linking. Under reducing conditions peripherin/Rds and Rom-1 existed as homomeric and heteromeric core complexes devoid of intermolecular disulfide bonds. Under nonreducing conditions core complexes associated through intermolecular disulfide bonds to form oligomers. One intermediate-size oligomer contained monomers and disulfide-linked dimers of peripherin/Rds and Rom-1, while larger oligomers consisted only of disulfide-linked peripherin/Rds dimers when analyzed on nonreducing SDS gels. Consistent with this result, disc membranes contained twice as much peripherin/Rds as Rom-1. Peripherin/Rds individually expressed in COS-1 cells also formed disulfide-linked oligomers bridged through Cys-150 residues, whereas Rom-1 showed little tendency to form oligomers. These results indicate that peripherin/Rds and Rom-1 associate noncovalently to form multisubunit core complexes. Peripherin/Rds containing core complexes interact through specific intermolecular disulfide bonds to form oligomers which may play a crucial role in photoreceptor disc morphogenesis and retinal degenerative diseases.
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Affiliation(s)
- C J Loewen
- Department of Biochemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
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