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Ziliotto N, Bernardi F, Piazza F. Hemostasis components in cerebral amyloid angiopathy and Alzheimer's disease. Neurol Sci 2021; 42:3177-3188. [PMID: 34041636 DOI: 10.1007/s10072-021-05327-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/15/2021] [Indexed: 01/17/2023]
Abstract
Increased cerebrovascular amyloid-β (Aβ) deposition represents the main pathogenic mechanisms characterizing Alzheimer's disease (AD) and cerebral amyloid angiopathy (CAA). Whereas an increasing number of studies define the contribution of fibrin(ogen) to neurodegeneration, how other hemostasis factors might be pleiotropically involved in the AD and CAA remains overlooked. Although traditionally regarded as pertaining to hemostasis, these proteins are also modulators of inflammation and angiogenesis, and exert cytoprotective functions. This review discusses the contribution of hemostasis components to Aβ cerebrovascular deposition, which settle the way to endothelial and blood-brain barrier dysfunction, vessel fragility, cerebral bleeding, and the associated cognitive changes. From the primary hemostasis, the process that refers to platelet aggregation, we discuss evidence regarding the von Willebrand factor (vWF) and its regulator ADAMTS13. Then, from the secondary hemostasis, we focus on tissue factor, which triggers the extrinsic coagulation cascade, and on the main inhibitors of coagulation, i.e., tissue factor pathway inhibitor (TFPI), and the components of protein C pathway. Last, from the tertiary hemostasis, we discuss evidence on FXIII, involved in fibrin cross-linking, and on components of fibrinolysis, including tissue-type plasminogen activator (tPA), urokinase-type plasminogen activator (uPA) and its receptor uPA(R), and plasminogen activator inhibitor-1 (PAI-1). Increased knowledge on contributors of Aβ-related disease progression may favor new therapeutic approaches for early modifiable risk factors.
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Affiliation(s)
- Nicole Ziliotto
- CAA and AD Translational Research and Biomarkers Laboratory, School of Medicine and Surgery, University of Milano - Bicocca, Via Cadore 48, 20900, Monza, Italy.
| | - Francesco Bernardi
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Fabrizio Piazza
- CAA and AD Translational Research and Biomarkers Laboratory, School of Medicine and Surgery, University of Milano - Bicocca, Via Cadore 48, 20900, Monza, Italy
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Kawabe K, Takano K, Moriyama M, Nakamura Y. Transglutaminases Derived from Astrocytes Accelerate Amyloid β Aggregation. Neurochem Res 2017; 42:2384-2391. [DOI: 10.1007/s11064-017-2258-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 03/29/2017] [Accepted: 03/30/2017] [Indexed: 10/19/2022]
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3
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de Jager M, Boot MV, Bol JGJM, Brevé JJP, Jongenelen CAM, Drukarch B, Wilhelmus MMM. The blood clotting Factor XIIIa forms unique complexes with amyloid-beta (Aβ) and colocalizes with deposited Aβ in cerebral amyloid angiopathy. Neuropathol Appl Neurobiol 2015; 42:255-72. [PMID: 25871449 DOI: 10.1111/nan.12244] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 04/09/2015] [Indexed: 12/11/2022]
Abstract
AIMS Cerebral amyloid angiopathy (CAA) is a key pathological hallmark of Alzheimer's disease (AD) characterized by accumulation of amyloid-beta (Aβ) protein in blood vessel walls. CAA impairs vessel functioning, affects blood brain barrier integrity and accelerates cognitive decline of AD patients. Unfortunately, mechanisms underlying Aβ deposition in the vessel wall remain largely unknown. Factor XIIIa (FXIIIa) is a blood-derived transglutaminase crucial in blood coagulation by cross-linking fibrin molecules. Evidence is mounting that blood-derived factors are present in CAA and may play a role in protein deposition in the vessel wall. We therefore investigated whether FXIIIa is present in CAA and if FXIIIa cross-link activity affects Aβ aggregation. METHODS Using immunohistochemistry, we investigated the distribution of FXIIIa, its activator thrombin and in situ FXIIIa activity in CAA in post-mortem AD tissue. We used surface plasmon resonance and Western blot analysis to study binding of FXIIIa to Aβ and the formation of FXIIIa-Aβ complexes, respectively. In addition, we studied cytotoxicity of FXIIIa-Aβ complexes to cerebrovascular cells. RESULTS FXIIIa, thrombin and in situ FXIIIa activity colocalize with the Aβ deposition in CAA. Furthermore, FXIIIa binds to Aβ with a higher binding affinity for Aβ1-42 compared with Aβ1-40 . Moreover, highly stable FXIIIa-Aβ complexes are formed independently of FXIIIa cross-linking activity that protected cerebrovascular cells from Aβ-induced toxicity in vitro. CONCLUSIONS Our data showed that FXIIIa colocalizes with Aβ in CAA and that FXIIIa forms unique protein complexes with Aβ that might play an important role in Aβ deposition and persistence in the vessel wall.
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Affiliation(s)
- M de Jager
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - M V Boot
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - J G J M Bol
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - J J P Brevé
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - C A M Jongenelen
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - B Drukarch
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
| | - M M M Wilhelmus
- Department of Anatomy and Neurosciences, Cellular Neuropharmacology Section, Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, The Netherlands
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Nemes Z. Effects and Analysis of Transglutamination on Protein Aggregation and Clearance in Neurodegenerative Diseases. ADVANCES IN ENZYMOLOGY - AND RELATED AREAS OF MOLECULAR BIOLOGY 2011; 78:347-83. [DOI: 10.1002/9781118105771.ch8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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5
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Hwang IK, Yoo KY, Yi SS, Kim IY, Hwang HS, Lee KY, Choi SM, Lee IS, Yoon YS, Kim SY, Won MH, Seong JK. Expression of tissue-type transglutaminase (tTG) and the effect of tTG inhibitor on the hippocampal CA1 region after transient ischemia in gerbils. Brain Res 2009; 1263:134-42. [PMID: 19368835 DOI: 10.1016/j.brainres.2009.01.038] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2008] [Revised: 01/17/2009] [Accepted: 01/21/2009] [Indexed: 11/15/2022]
Abstract
Chronological changes of tissue-type transglutaminase (tTG) were observed in the hippocampal CA1 region after transient forebrain ischemia in gerbils. In the sham-operated group, tTG immunoreactivity was weakly detected in blood vessels which were immunostained with platelet endothelial cell adhesion molecule-1 (PECAM-1), and tTG immunoreactivity in blood vessels was highest 5 days after ischemia/reperfusion. In addition, tTG immunoreaction was expressed in microglia which were immunostained with Iba-1 at 4 days post-ischemia, and tTG immunoreactivity in the microglia was also highest at 5 days post-ischemia. In Western blot analysis, tTG protein levels in the CA1 region after ischemia/reperfusion began to increase 3 days after ischemia/reperfusion and peaked 5 days after ischemia/reperfusion. The expression of tTG in PECAM-1-immunoreactive blood vessels may be associated with integrin regulation or transendothelial migration of leukocytes in the ischemic CA1 region. In this study, we also observed the effect of cystamine, a tTG inhibitor, against ischemic damage. Administration of cystamine protected in certain degree neuronal damage from ischemic damage in the CA1 region. These results suggest that tTG may be associated with neuronal death in the hippocampal CA1 region induced by ischemia/reperfusion.
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Affiliation(s)
- In Koo Hwang
- Department of Anatomy and Cell Biology, College of Veterinary Medicine and BK21 Program for Veterinary Science, Seoul National University, Seoul, South Korea
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6
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Lipinski B, Sajdel-Sulkowska EM. New insight into Alzheimer disease: demonstration of fibrin(ogen)-serum albumin insoluble deposits in brain tissue. Alzheimer Dis Assoc Disord 2007; 20:323-6. [PMID: 17132984 DOI: 10.1097/01.wad.0000213844.21001.a2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Zemaitaitis MO, Kim SY, Halverson RA, Troncoso JC, Lee JM, Muma NA. Transglutaminase activity, protein, and mRNA expression are increased in progressive supranuclear palsy. J Neuropathol Exp Neurol 2003; 62:173-84. [PMID: 12578227 DOI: 10.1093/jnen/62.2.173] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Transglutaminases catalyze the covalent cross-linking of substrate proteins to form insoluble protein complexes that are resistant to degradation. Our previous studies demonstrated that transglutaminase-induced cross-linking of tau proteins occurs in Alzheimer disease and progressive supranuclear palsy (PSP). The current study was designed to measure transglutaminase enzyme activity and the mRNA and protein levels of 3 transglutaminase isoforms that are expressed in human brain. Overall, transglutaminase activity was significantly increased in the globus pallidus (182% of control) and pons in PSP (171% of control) but not the occipital cortex (a region spared from pathology). Using a Spearman rank correlation test, we found that tissues with more transglutaminase-activity had more neurofibrillary tangles. Protein and mRNA levels of transglutaminase 1 were increased in globus pallidus of PSP as compared to controls. There were also significantly higher mRNA levels of the short form of transglutaminase 2 in globus pallidus of PSP (974% of control). Transglutaminase 1 mRNA and the long isoform of transglutaminase 2 mRNA (2212% of control) were significantly higher in PSP in the dentate of cerebellum. Together, these findings suggest that transglutaminase 1 and 2 enzymes may be involved in the formation and/or stabilization of neurofibrillary tangles in selectively vulnerable brain regions in PSP. These transglutaminases may be potential targets for therapeutic intervention.
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Affiliation(s)
- Magdalena O Zemaitaitis
- Department of Pharmacology, Loyola University Stritch School of Medicine, Maywood, Illinois 60153, USA
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8
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Zainelli GM, Ross CA, Troncoso JC, Muma NA. Transglutaminase cross-links in intranuclear inclusions in Huntington disease. J Neuropathol Exp Neurol 2003; 62:14-24. [PMID: 12528814 DOI: 10.1093/jnen/62.1.14] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Cortical and striatal perinuclear cytoplasmic aggregates and intranuclear inclusions of mutant huntingtin are neuropathological hallmarks of Huntington disease (HD). Although the mechanisms involved in the formation of these aggregates are unclear, a recent hypothesis implicates cross-linking of mutant huntingtin protein into aggregates by transglutaminase. This study explores the hypothesis that transglutaminase catalyzes cross-linking of huntingtin into intranuclear inclusions. Using immunofluorescence and confocal microscopy we demonstrate 99% colocalization of transglutaminase-catalyzed epsilon-(gamma-glutamyl) lysine covalent cross-links with nuclear aggregates of huntingtin protein in the frontal cortex of postmortem HD brain tissue. Furthermore, the transglutaminase 2 isoform colocalizes with both huntingtin protein and epsilon-(gamma-glutamyl) lysine covalent cross-links in HD intranuclear inclusions. Transient transfection of N-terminally truncated huntingtin with an expanded glutamine domain (htt-N63-148Q-myc) with and without and transglutaminase 2 into HEK 293T cells resulted in an increase in cross-linked huntingtin in the insoluble formic acid-treated pellet in comparison to transfection of N-terminally truncated huntingtin with normal length glutamine domain (htt-N63-18Q-myc). Transfection with both htt-N63-148Q-myc and transglutaminase 2 resulted in high molecular weight huntingtin in the insoluble fraction. These data support the hypothesis that transglutaminase catalyzed cross-linking of mutant huntingtin is involved in the formation and/or stabilization of huntingtin protein aggregates in HD. Based on these and other studies, modulation of transglutaminase activity could be explored as a treatment for HD.
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Affiliation(s)
- Gina M Zainelli
- Department of Pharmacology, Loyola University Medical Center, Maywood, Illinois 60153, USA
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Sárvári M, Fésüs L, Nemes Z. Transglutaminase-mediated crosslinking of neural proteins in Alzheimer's disease and other primary dementias. Drug Dev Res 2002. [DOI: 10.1002/ddr.10098] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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10
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Cooper AJ, Sheu KF, Burke JR, Strittmatter WJ, Gentile V, Peluso G, Blass JP. Pathogenesis of inclusion bodies in (CAG)n/Qn-expansion diseases with special reference to the role of tissue transglutaminase and to selective vulnerability. J Neurochem 1999; 72:889-99. [PMID: 10037459 DOI: 10.1046/j.1471-4159.1999.0720889.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
At least eight neurodegenerative diseases, including Huntington disease, are caused by expansions in (CAG)n repeats in the affected gene and by an increase in the size of the corresponding polyglutamine domain in the expressed protein. A hallmark of several of these diseases is the presence of aberrant, proteinaceous aggregates in the nuclei and cytosol of affected neurons. Recent studies have shown that expanded polyglutamine (Qn) repeats are excellent glutaminyl-donor substrates of tissue transglutaminase, and that the substrate activity increases with increasing size of the polyglutamine domain. Tissue transglutaminase is present in the cytosol and nuclear fractions of brain tissue. Thus, the nuclear and cytosolic inclusions in Huntington disease may contain tissue transglutaminase-catalyzed covalent aggregates. The (CAG)n/Qn-expansion diseases are classic examples of selective vulnerability in the nervous system, in which certain cells/structures are particularly susceptible to toxic insults. Quantitative differences in the distribution of the brain transglutaminase(s) and its substrates, and in the activation mechanism of the brain transglutaminase(s), may explain in part selective vulnerability in a subset of neurons in (CAG)n-expansion diseases, and possibly in other neurodegenerative disease. If tissue transglutaminase is found to be essential for development of pathogenesis, then inhibitors of this enzyme may be of therapeutic benefit.
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Affiliation(s)
- A J Cooper
- Department of Biochemistry, Cornell University Medical College, New York, New York, USA
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Abstract
Microglia play a major role in the cellular response associated with the pathological lesions of Alzheimer's disease. As brain-resident macrophages, microglia elaborate and operate under several guises that seem reminiscent of circulating and tissue monocytes of the leucocyte repertoire. Although microglia bear the capacity to synthesize amyloid beta, current evidence is most consistent with their phagocytic role. This largely involves the removal of cerebral amyloid and possibly the transformation of amyloid beta into fibrils. The phagocytic functions also encompass the generation of cytokines, reactive oxygen and nitrogen species, and various proteolytic enzymes, events that may exacerbate neuronal damage rather than incite outgrowth or repair mechanisms. Microglia do not appear to function as true antigen-presenting cells. However, there is circumstantial evidence that suggests functional heterogeneity within microglia. Pharmacological agents that suppress microglial activation or reduce microglial-mediated oxidative damage may prove useful strategies to slow the progression of Alzheimer's disease.
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Affiliation(s)
- R N Kalaria
- CBV Path Group, MRC Unit, Newcastle General Hospital, Newcastle upon Tyne, United Kingdom
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12
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Yamada T, Yoshiyama Y, Kawaguchi N, Ichinose A, Iwaki T, Hirose S, Jefferies WA. Possible roles of transglutaminases in Alzheimer's disease. Dement Geriatr Cogn Disord 1998; 9:103-10. [PMID: 9524802 DOI: 10.1159/000017031] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The localizations of two transglutaminases [factor XIIIa and tissue transglutaminase (tTG)] and their mRNAs were examined in human brain tissues from neurologically normal and Alzheimer disease (AD) cases, using immunohistochemical and in situ hybridization methods. In all cases, meningeal macrophages and ependymal macrophage/microglia were positive for factor XIIIa. The mRNA encoding factor XIIIa was detected in macrophages and microglia. As reported previously, intense staining with the antibody to factor XIIIa of a subset of microglia was seen in the parietal cortex in AD brains. Few or no microglia were found associated with classical senile plaques. In contrast, many labeled microglia were associated with primitive plaques. Further-more, most of these cells were mainly seen in the subpial cortical layer but were very rare in the hippocampus. On the other hand, few factor-XIIIa-positive microglia were found in the parietal cortices from non-neurological cases, but moderate numbers were found in their hippocampal tissues. TG and its mRNA were localized in astrocytes in all the cases. In AD, a few neurofibrillary tangles were positive to tTG. These results suggest that the subsets of microglia which express factor XIIIa may play some roles in the early phase of AD pathology.
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Affiliation(s)
- T Yamada
- Department of Neurology, Chiba University, Japan
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Perry A, Scheithauer BW, Nascimento AG. The immunophenotypic spectrum of meningeal hemangiopericytoma: a comparison with fibrous meningioma and solitary fibrous tumor of meninges. Am J Surg Pathol 1997; 21:1354-60. [PMID: 9351573 DOI: 10.1097/00000478-199711000-00010] [Citation(s) in RCA: 146] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Despite controversy regarding its histogenesis, meningeal hemangiopericytoma (HPC) is a well-defined clinicopathologic entity exhibiting high rates of recurrence and late extracranial metastasis. It must be distinguished from several benign neoplasms, particularly fibrous meningioma (FM) and solitary fibrous tumor (SFT). To determine the immunoprofile of HPC, we studied 27 meningeal examples, including 13 low-grade and 14 high-grade tumors. For comparison, 20 FMs and eight SFTs of the meninges were also evaluated. The immunotype of HPC included vimentin (85%), factor XIIIa (78%) in individual scattered cells, Leu-7 (70%), and CD34 (33%) in a weak, patchy pattern. Focal desmin and cytokeratin positivity was only occasionally encountered (20% each). The SFT shared a similar immunophenotype, except that CD34 expression (100%) was characteristically strong and diffuse. The FM characteristically expressed epithelial membrane antibody (EMA) (80%) and S-100 protein (80%); CD34 reactivity (60%) was patchy and weak. Both within and among all three tumor types, MIB-1 labeling indices varied widely. Specifically, they were unrelated to tumor grade in HPC. Significant reactivity for p53 protein was detected in 52% of HPCs, 17% of SFTs, and 5% of FMs. Meningeal HPC exhibits a distinct antigenic profile, one enabling the exclusion of other entities in nearly all cases. The rare expression of desmin or cytokeratin in HPC suggests either the occurrence of divergent differentiation or, less likely, the possibility that its distinctive morphology is but a phenotype shared by several types of meningeal sarcoma.
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Affiliation(s)
- A Perry
- Department of Anatomic Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
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Affiliation(s)
- L Lorand
- Department of Cell and Molecular Biology, Northwestern University Medical School, Chicago, IL 60611, USA
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