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Zhang Q, Wen XH, Tang SL, Zhao ZW, Tang CK. Role and therapeutic potential of gelsolin in atherosclerosis. J Mol Cell Cardiol 2023; 178:59-67. [PMID: 36967105 DOI: 10.1016/j.yjmcc.2023.03.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 04/08/2023]
Abstract
Atherosclerosis is the major pathophysiological basis of a variety of cardiovascular diseases and has been recognized as a lipid-driven chronic inflammatory disease. Gelsolin (GSN) is a member of the GSN family. The main function of GSN is to cut and seal actin filaments to regulate the cytoskeleton and participate in a variety of biological functions, such as cell movement, morphological changes, metabolism, apoptosis and phagocytosis. Recently, more and more evidences have demonstrated that GSN is Closely related to atherosclerosis, involving lipid metabolism, inflammation, cell proliferation, migration and thrombosis. This article reviews the role of GSN in atherosclerosis from inflammation, apoptosis, angiogenesis and thrombosis.
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Affiliation(s)
- Qiang Zhang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Department of Intensive Care Unit, the First Affiliated Hospital of University of South China, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Xiao-Hui Wen
- School of Nursing, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Shi-Lin Tang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Department of Intensive Care Unit, the First Affiliated Hospital of University of South China, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Zhen-Wang Zhao
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang, Hubei 441053, China.
| | - Chao-Ke Tang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Department of Intensive Care Unit, the First Affiliated Hospital of University of South China, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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2
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Asiri MMH, Engelsman S, Eijkelkamp N, Höppener JWM. Amyloid Proteins and Peripheral Neuropathy. Cells 2020; 9:E1553. [PMID: 32604774 PMCID: PMC7349787 DOI: 10.3390/cells9061553] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/20/2020] [Accepted: 06/22/2020] [Indexed: 12/14/2022] Open
Abstract
Painful peripheral neuropathy affects millions of people worldwide. Peripheral neuropathy develops in patients with various diseases, including rare familial or acquired amyloid polyneuropathies, as well as some common diseases, including type 2 diabetes mellitus and several chronic inflammatory diseases. Intriguingly, these diseases share a histopathological feature-deposits of amyloid-forming proteins in tissues. Amyloid-forming proteins may cause tissue dysregulation and damage, including damage to nerves, and may be a common cause of neuropathy in these, and potentially other, diseases. Here, we will discuss how amyloid proteins contribute to peripheral neuropathy by reviewing the current understanding of pathogenic mechanisms in known inherited and acquired (usually rare) amyloid neuropathies. In addition, we will discuss the potential role of amyloid proteins in peripheral neuropathy in some common diseases, which are not (yet) considered as amyloid neuropathies. We conclude that there are many similarities in the molecular and cell biological defects caused by aggregation of the various amyloid proteins in these different diseases and propose a common pathogenic pathway for "peripheral amyloid neuropathies".
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Affiliation(s)
- Mohammed M. H. Asiri
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, The Netherlands; (M.M.H.A.); (S.E.); (J.W.M.H.)
- The National Centre for Genomic Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology, P.O. Box 6086, 11461 Riyadh, Saudi Arabia
| | - Sjoukje Engelsman
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, The Netherlands; (M.M.H.A.); (S.E.); (J.W.M.H.)
| | - Niels Eijkelkamp
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, The Netherlands; (M.M.H.A.); (S.E.); (J.W.M.H.)
| | - Jo W. M. Höppener
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, The Netherlands; (M.M.H.A.); (S.E.); (J.W.M.H.)
- Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, 3584 EA Utrecht, The Netherlands
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Schmidt EK, Mustonen T, Kiuru-Enari S, Kivelä TT, Atula S. Finnish gelsolin amyloidosis causes significant disease burden but does not affect survival: FIN-GAR phase II study. Orphanet J Rare Dis 2020; 15:19. [PMID: 31952544 PMCID: PMC6969418 DOI: 10.1186/s13023-020-1300-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 01/09/2020] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Hereditary gelsolin (AGel) amyloidosis is an autosomal dominantly inherited systemic amyloidosis that manifests with the characteristic triad of progressive ophthalmological, neurological and dermatological signs and symptoms. The National Finnish Gelsolin Amyloidosis Registry (FIN-GAR) was founded in 2013 to collect clinical data on patients with AGel amyloidosis, including altogether approximately one third of the Finnish patients. We aim to deepen knowledge on the disease burden and life span of the patients using data from the updated FIN-GAR registry. We sent an updated questionnaire concerning the symptoms and signs, symptomatic treatments and subjective perception on disease progression to 240 members of the Finnish Amyloidosis Association (SAMY). We analyzed the lifespan of 478 patients using the relative survival (RS) framework. RESULTS The updated FIN-GAR registry includes 261 patients. Symptoms and signs corresponding to the classical triad of ophthalmological (dry eyes in 93%; corneal lattice amyloidosis in 89%), neurological (numbness, tingling and other paresthesias in 75%; facial paresis in 67%), and dermatological (drooping eyelids in 86%; cutis laxa in 84%) manifestations were highly prevalent. Cardiac arrhythmias were reported by 15% of the patients and 5% had a cardiac pacemaker installed. Proteinuria was reported by 13% and renal failure by 5% of the patients. A total of 65% of the patients had undergone a skin or soft tissue surgery, 26% carpal tunnel surgery and 24% at least unilateral cataract surgery. As regards life span, relative survival estimates exceeded 1 for males and females until the age group of 70-74 years, for which it was 0.96. CONCLUSIONS AGel amyloidosis causes a wide variety of ophthalmological, neurological, cutaneous, and oral symptoms that together with repeated surgeries cause a clinically significant disease burden. Severe renal and cardiac manifestations are rare as compared to other systemic amyloidoses, explaining in part the finding that AGel amyloidosis does not shorten the life span of the patients at least for the first 75 years.
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Affiliation(s)
- Eeva-Kaisa Schmidt
- Clinical Neurosciences, Neurology, University of Helsinki and Helsinki University Hospital, HYKS, Tornisairaala, Neupkl, Haartmaninkatu 4, 00029 HUS, Helsinki, Finland.
| | - Tuuli Mustonen
- Clinical Neurosciences, Neurology, University of Helsinki and Helsinki University Hospital, HYKS, Tornisairaala, Neupkl, Haartmaninkatu 4, 00029 HUS, Helsinki, Finland
| | - Sari Kiuru-Enari
- Clinical Neurosciences, Neurology, University of Helsinki and Helsinki University Hospital, HYKS, Tornisairaala, Neupkl, Haartmaninkatu 4, 00029 HUS, Helsinki, Finland
| | - Tero T Kivelä
- Department of Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Sari Atula
- Clinical Neurosciences, Neurology, University of Helsinki and Helsinki University Hospital, HYKS, Tornisairaala, Neupkl, Haartmaninkatu 4, 00029 HUS, Helsinki, Finland
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Abstract
Objectives: Previous clinical studies have shown frequent cardiac symptoms in patients with hereditary gelsolin (AGel) amyloidosis, possibly related to amyloid deposition in the heart and other internal organs. Previous studies on internal organ amyloid deposition in AGel amyloidosis have been based on small patient series. Methods: Paraffin-embedded tissue sections from 25 autopsied individuals (age at death 44.4-88.6 years) with AGel amyloidosis were stained with HE, Congo red and Herovici stains and immunohistochemistry against the low molecular weight gelsolin fraction was performed. The amount of amyloid was estimated semi-quantitatively. Results: AGel-based amyloid deposits were found in the myocardium and cardiac blood vessels in every patient. The deposits were mainly small and co-localized with regions with excess fibrosis in the myocardium. The lungs were positive for amyloid in 79%, renal parenchyma in 54% and renal blood vessels in 71% of the cases. The amount of myocardial, renal and hepatic amyloid correlated with age at death of the patients. Conclusions: We show the constant presence of AGel amyloid in the hearts of patients with AGel amyloidosis. Although the deposits were mainly small, the co-localization of amyloid with fibrosis may amplify the effect of pure amyloid deposition, possibly leading to clinical signs and symptoms.
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Affiliation(s)
- Eeva-Kaisa Schmidt
- a Department of Neurosciences, Faculty of Medicine, University of Helsinki , Helsinki , Finland
| | - Sari Kiuru-Enari
- a Department of Neurosciences, Faculty of Medicine, University of Helsinki , Helsinki , Finland
| | - Sari Atula
- a Department of Neurosciences, Faculty of Medicine, University of Helsinki , Helsinki , Finland.,b Department of Neurology, Helsinki University Hospital , Helsinki , Finland
| | - Maarit Tanskanen
- c Department of Pathology, HUSLAB, Helsinki University Hospital , Helsinki , Finland.,d Department of Pathology, Faculty of Medicine, University of Helsinki , Helsinki , Finland
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Pihlamaa T, Suominen S, Kiuru-Enari S, Tanskanen M. Increasing amount of amyloid are associated with the severity of clinical features in hereditary gelsolin (AGel) amyloidosis. Amyloid 2016; 23:225-233. [PMID: 27879149 DOI: 10.1080/13506129.2016.1238355] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Patients with hereditary gelsolin (AGel) amyloidosis (HGA) present with hanging skin (cutis laxa) and bilateral cranial neuropathy, and require symptomatic plastic surgery. Our clinical observation of tissue fragility prompted us to design a prospective study. METHODS Twenty-nine patients with HGA undergoing surgery were interviewed and clinically examined. The height and thickness of skin folds in standard anatomical localizations were measured. The presence and distribution of amyloid in skin samples were analyzed using Congo red staining and immunohistochemistry using antibodies against gelsolin amyloid (AGel) subunit. RESULTS The measured skin folds stretched more in patients with HGA (e.g. skin over olecranon, p < 0.001). The skin folds were thinner in patients with HGA (e.g. forehead skin, p < 0.001). The skin and subcutaneous fat were abnormally fragile during surgery. The total amount of AGel amyloid, and its presence in the deep layers of the skin and subcutaneous fat correlated with the measurements of skin folds, age and extent of cranial neuropathy. CONCLUSIONS The AGel amyloid in the skin and subcutis, together with morphologic changes in the dermal stroma and skin adnexa contribute to the atrophied and fragile structure of HGA skin. This is the first study to demonstrate the correlation between AGel amyloid accumulation and clinical disease severity.
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Affiliation(s)
- Tiia Pihlamaa
- a Department of Plastic and Reconstructive Surgery , Helsinki University Hospital , Helsinki , Finland
| | - Sinikka Suominen
- a Department of Plastic and Reconstructive Surgery , Helsinki University Hospital , Helsinki , Finland
| | - Sari Kiuru-Enari
- b Department of Neurology , Clinical Neurosciences, University of Helsinki , Helsinki , Finland , and
| | - Maarit Tanskanen
- c Department of Pathology , University of Helsinki and HUSLAB , Helsinki , Finland
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Koskelainen S, Pihlamaa T, Suominen S, Zhao F, Salo T, Risteli J, Baumann M, Kalimo H, Kiuru-Enari S. Gelsolin amyloid angiopathy causes severe disruption of the arterial wall. APMIS 2016; 124:639-48. [PMID: 27198069 DOI: 10.1111/apm.12554] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 04/18/2016] [Indexed: 11/26/2022]
Abstract
Hereditary gelsolin amyloidosis (HGA) is a dominantly inherited systemic disease reported worldwide. HGA is characterized by ophthalmological, neurological, and dermatological manifestations. AGel amyloid accumulates at basal lamina of epithelial and muscle cells, thus amyloid angiopathy is encountered in nearly every organ. HGA patients have cardiovascular, hemorrhagic, and potentially vascularly induced neurological problems. To clarify pathomechanisms of AGel angiopathy, we performed histological, immunohistochemical, and electron microscopic analyses on facial temporal artery branches from 8 HGA patients and 13 control subjects. We demonstrate major pathological changes in arteries: disruption of the tunica media, disorganization of vascular smooth muscle cells, and accumulation of AGel fibrils in arterial walls, where they associate with the lamina elastica interna, which becomes fragmented and diminished. We also provide evidence of abnormal accumulation and localization of collagen types I and III and an increase of collagen type I degradation product in the tunica media. Vascular smooth muscle cells appear to be morphologically and semi-quantitatively normal, only their basal lamina is often thickened. In conclusion, angiopathy in HGA results in severe disruption of arterial walls, characterized by prominent AGel deposition, collagen derangement and severe elastolysis, and it may be responsible for several, particularly hemorrhagic, disease manifestations in HGA.
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Affiliation(s)
- Susanna Koskelainen
- Meilahti Clinical Proteomics Core Facility, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Tiia Pihlamaa
- Department of Plastic Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Sinikka Suominen
- Department of Plastic Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Fang Zhao
- Advanced Microscopy Unit, Medicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Tuula Salo
- Research Group of Cancer and Translational Medicine, Medical Faculty, University of Oulu, Oulu, Finland.,Medical Research Center, Oulu University Hospital, Oulu, Finland
| | - Juha Risteli
- Research Group of Cancer and Translational Medicine, Medical Faculty, University of Oulu, Oulu, Finland.,Medical Research Center, Oulu University Hospital, Oulu, Finland
| | - Marc Baumann
- Meilahti Clinical Proteomics Core Facility, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Hannu Kalimo
- Department of Pathology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Forensic Medicine, Institute of Biomedicine, University of Turku, Turku, Finland
| | - Sari Kiuru-Enari
- Clinical Neurosciences, Neurology, University of Helsinki, Helsinki, Finland
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Abstract
Hereditary gelsolin amyloidosis (HGA) is an autosomally dominantly inherited form of systemic amyloidosis, characterized mainly by cranial and sensory peripheral neuropathy, corneal lattice dystrophy, and cutis laxa. HGA, originally reported from Finland and now increasingly from other countries in Europe, North and South America, and Asia, may still be underdiagnosed worldwide. It is the first and so-far only known disorder caused by a gelsolin gene defect, namely a G654A or G654T mutation. Gelsolin is a principal actin-modulating protein, implicated in multiple biological processes, also in the nervous system, e.g. axonal transport, myelination, neurite outgrowth, and neuroprotection. The gelsolin gene defect causes expression of variant gelsolin, followed by systemic deposition of gelsolin amyloid (AGel) in HGA patients and even other consequences on the metabolism and function of gelsolin. In HGA, specific therapy is not yet available but correct diagnosis enables adequate symptomatic treatment which decisively improves the quality of life in these patients. A transgenic murine model of HGA expressing AGel is available, in anticipation of new treatment options targeted toward this slowly progressive but devastating amyloidosis. Present and future lessons learned from HGA may be applicable even in diagnosis and treatment of other hereditary and sporadic amyloidoses.
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Affiliation(s)
- Sari Kiuru-Enari
- Department of Neurology, Unit for Neuromuscular Diseases, Helsinki University Central Hospital, Helsinki, Finland.
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8
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Li GH, Arora PD, Chen Y, McCulloch CA, Liu P. Multifunctional roles of gelsolin in health and diseases. Med Res Rev 2010; 32:999-1025. [PMID: 22886630 DOI: 10.1002/med.20231] [Citation(s) in RCA: 175] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Gelsolin, a Ca(2+) -regulated actin filament severing, capping, and nucleating protein, is an ubiquitous, multifunctional regulator of cell structure and metabolism. More recent data show that gelsolin can act as a transcriptional cofactor in signal transduction and its own expression and function can be influenced by epigenetic changes. Here, we review the functions of the plasma and cytoplasmic forms of gelsolin, and their manifold impacts on cancer, apoptosis, infection and inflammation, cardiac injury, pulmonary diseases, and aging. An improved understanding of the functions and regulatory mechanisms of gelsolin may lead to new considerations of this protein as a potential biomarker and/or therapeutic target.
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Affiliation(s)
- Guo Hua Li
- Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
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9
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Pontrello CG, Ethell IM. Accelerators, Brakes, and Gears of Actin Dynamics in Dendritic Spines. ACTA ACUST UNITED AC 2009; 3:67-86. [PMID: 20463852 DOI: 10.2174/1874082000903020067] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Dendritic spines are actin-rich structures that accommodate the postsynaptic sites of most excitatory synapses in the brain. Although dendritic spines form and mature as synaptic connections develop, they remain plastic even in the adult brain, where they can rapidly grow, change, or collapse in response to normal physiological changes in synaptic activity that underlie learning and memory. Pathological stimuli can adversely affect dendritic spine shape and number, and this is seen in neurodegenerative disorders and some forms of mental retardation and autism as well. Many of the molecular signals that control these changes in dendritic spines act through the regulation of filamentous actin (F-actin), some through direct interaction with actin, and others via downstream effectors. For example, cortactin, cofilin, and gelsolin are actin-binding proteins that directly regulate actin dynamics in dendritic spines. Activities of these proteins are precisely regulated by intracellular signaling events that control their phosphorylation state and localization. In this review, we discuss how actin-regulating proteins maintain the balance between F-actin assembly and disassembly that is needed to stabilize mature dendritic spines, and how changes in their activities may lead to rapid remodeling of dendritic spines.
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Affiliation(s)
- Crystal G Pontrello
- Biomedical Sciences Division and Neuroscience program, University of California Riverside, USA
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10
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Jia S, Omelchenko M, Garland D, Vasiliou V, Kanungo J, Spencer M, Wolf Y, Koonin E, Piatigorsky J. Duplicated gelsolin family genes in zebrafish: a novel scinderin-like gene (scinla) encodes the major corneal crystallin. FASEB J 2007; 21:3318-28. [PMID: 17548429 PMCID: PMC6007973 DOI: 10.1096/fj.07-8172com] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We have previously identified a gelsolin-like protein (C/L-gelsolin) as a corneal crystallin in zebrafish. Here we show by phylogenetic analysis that there are at least six genes encoding gelsolin-like proteins based on their gelsolin domains in zebrafish: gsna and gsnb group with the vertebrate gelsolin gene, scina and scinb group with the scinderin (adseverin) gene, and scinla (C/L-gelsolin) and scinlb are novel scinderin-like genes. RT-PCR showed that scinla, scinlb, and gsnb are preferentially expressed in the adult cornea whereas gsna is expressed to a similar extent in cornea, lens, brain, and heart; scina and scinb expression were detectable only in whole zebrafish and not in these adult tissues. Quantitative RT-PCR and 2-dimensional polyacrylamide gel electrophoresis followed by MALDI/TOF mass spectroscopy confirmed high expression of beta-actin and scinla, moderate expression of scinlb, and very low expression of gsna and gsnb in the cornea. Finally, transgenic zebrafish carrying a green fluorescent protein reporter transgene driven by a 4 kb scinla promoter fragment showed expression in the cornea, snout, dorsal fin, and tail fin of 3-day-old zebrafish larvae. Our data suggest that scinla and scinlb are diverged paralogs of the vertebrate scinderin gene and show that scinla encodes the zebrafish corneal crystallin previously called C/L-gelsolin.
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Affiliation(s)
- Sujuan Jia
- Laboratory of Molecular and Developmental Biology, Bethesda, Maryland, USA
| | - Marina Omelchenko
- National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
| | - Donita Garland
- Laboratory of Retinal Cellular and Molecular Biology, National Eye Institute, Bethesda, Maryland, USA
| | - Vasilis Vasiliou
- University of Colorado Health Sciences Center, School of Pharmacy, University of Colorado, Denver, Colorado, USA
| | | | - Michael Spencer
- Laboratory of Molecular and Developmental Biology, Bethesda, Maryland, USA
| | - Yuri Wolf
- National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
| | - Eugene Koonin
- National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
| | - Joram Piatigorsky
- Laboratory of Molecular and Developmental Biology, Bethesda, Maryland, USA
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Page LJ, Suk JY, Huff ME, Lim HJ, Venable J, Yates J, Kelly JW, Balch WE. Metalloendoprotease cleavage triggers gelsolin amyloidogenesis. EMBO J 2005; 24:4124-32. [PMID: 16281052 PMCID: PMC1356312 DOI: 10.1038/sj.emboj.7600872] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2005] [Accepted: 10/20/2005] [Indexed: 11/09/2022] Open
Abstract
Amyloid diseases like Alzheimer's disease and familial amyloidosis of Finnish type (FAF) stem from endoproteolytic cleavage of a precursor protein to generate amyloidogenic peptides that accumulate as amyloid deposits in a tissue-specific manner. FAF patients deposit both 8 and 5 kDa peptides derived from mutant (D187Y/N) plasma gelsolin in the extracellular matrix (ECM). The first of two aberrant sequential proteolytic events is executed by furin to yield a 68 kDa (C68) secreted fragment. We now identify the metalloprotease MT1-matrix metalloprotease (MMP), an integral membrane protein active in the ECM, as a protease that processes C68 to the amyloidogenic peptides. We further demonstrate that ECM components are capable of accelerating gelsolin amyloidogenesis. Proteolysis by MT1-MMP-like proteases proximal to the unique chemical environment of the ECM offers an explanation for the tissue-specific deposition observed in FAF and provides critical insight into new therapeutic strategies.
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Affiliation(s)
- Lesley J Page
- Departments of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA
- Institute for Childhood and Neglected Diseases, The Scripps Research Institute, La Jolla, CA, USA
| | - Ji Young Suk
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
- Skaggs Institute of Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Mary E Huff
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
- Skaggs Institute of Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Hee-Jong Lim
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
- Skaggs Institute of Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - John Venable
- Departments of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - John Yates
- Departments of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Jeffery W Kelly
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
- Skaggs Institute of Chemical Biology, The Scripps Research Institute, La Jolla, CA, USA
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, BCC506, La Jolla, CA 92037, USA. Tel.: +1 858 784 9880; Fax: +1 858 784 9899; E-mail:
| | - William E Balch
- Departments of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA
- Institute for Childhood and Neglected Diseases, The Scripps Research Institute, La Jolla, CA, USA
- Department of Cell Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, MB6, La Jolla, CA 92037, USA. Tel.: + 1 858 784 2310; Fax: +1 858 784 9126; E-mail:
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12
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Kanungo J, Kozmik Z, Swamynathan SK, Piatigorsky J. Gelsolin is a dorsalizing factor in zebrafish. Proc Natl Acad Sci U S A 2003; 100:3287-92. [PMID: 12629212 PMCID: PMC152284 DOI: 10.1073/pnas.0634473100] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2002] [Indexed: 01/03/2023] Open
Abstract
The gene for gelsolin (an actin-binding, cytoskeletal regulatory protein) was shown earlier to be specialized for high corneal expression in adult zebrafish. We show here that zebrafish gelsolin is required for proper dorsalization during embryogenesis. Inhibition of gelsolin expression by injecting fertilized eggs with a specific morpholino oligonucleotide resulted in a range of concentration-dependent ventralized phenotypes, including those lacking a brain and eyes. These were rescued by coinjection of zebrafish gelsolin or chordin (a known dorsalizing agent) mRNAs, or human gelsolin protein. Moreover, injection of gelsolin mRNA or human gelsolin protein by itself dorsalized the developing embryos, often resulting in axis duplication. Injection of the gelsolin-specific morpholino oligonucleotide enhanced the expression of Vent mRNA, a ventral marker downstream of bone morphogenetic proteins, whereas injection of gelsolin mRNA enhanced the expression of chordin and goosecoid mRNAs, both dorsal markers. Our results indicate that gelsolin also modulates embryonic dorsalventral pattern formation in zebrafish.
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Affiliation(s)
- Jyotshnabala Kanungo
- Laboratory of Molecular and Developmental Biology, National Eye Institute, National Institutes of Health, 6 Center Drive, Bethesda, MD 20892, USA
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13
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Chen CD, Huff ME, Matteson J, Page L, Phillips R, Kelly JW, Balch WE. Furin initiates gelsolin familial amyloidosis in the Golgi through a defect in Ca(2+) stabilization. EMBO J 2001; 20:6277-87. [PMID: 11707399 PMCID: PMC125307 DOI: 10.1093/emboj/20.22.6277] [Citation(s) in RCA: 109] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Hereditary familial amyloidosis of Finnish type (FAF) leading to amyloid in the peripheral and central nervous systems stems from deposition of a 71 residue fragment generated from the D187N/Y variants of plasma gelsolin by two sequential endoproteolytic events. We identify the protease accomplishing the first cleavage as furin, a proprotein convertase. Endoproteolysis of plasma gelsolin occurs in the trans-Golgi network due to the inability of the FAF variants to bind and be stabilized by Ca(2+). Secretion and processing of the FAF variants by furin can be uncoupled by blocking the convergence of the exocytic pathway transporting plasma gelsolin and the endocytic recycling of furin. We propose that coincidence of membrane trafficking pathways contributes to the development of proteolysis-initiated amyloid disease.
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Affiliation(s)
- Ci-Di Chen
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
| | - Mary E. Huff
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
| | - Jeanne Matteson
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
| | - Lesley Page
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
| | - Rebecca Phillips
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
| | - Jeffery W. Kelly
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
| | - William E. Balch
- Departments of Molecular and Cell Biology, Department of Chemistry, Skaggs Institute of Chemical Biology and Institute for Childhood and Neglected Diseases, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA Corresponding authors e-mail: or
C.-D.Chen and M.E.Huff contributed equally to this work
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14
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Abstract
In the minisequencing primer extension reaction, a DNA polymerase is used specifically to extend a primer that anneals immediately adjacent to the nucleotide position to be analyzed with a single labeled nucleoside triphospate complementary to the nucleotide at the variant site. The reaction allows highly specific detection of point mutations and single nucleotide polymorphisms (SNPs). Because all SNPs can be analyzed with high specificity at the same reaction conditions, minisequencing is a promising reaction principle for multiplex high-throughput genotyping assays. It is also a useful tool for accurate quantitative PCR-based analysis. This review discusses the different approaches, ranging from traditional gel-based formats to multiplex detection on microarrays that have been developed and applied to minisequencing assays.
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Affiliation(s)
- A C Syvänen
- Department of Medical Sciences, Molecular Medicine, Uppsala University Hospital, Sweden.
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15
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Klahre U, Friederich E, Kost B, Louvard D, Chua NH. Villin-like actin-binding proteins are expressed ubiquitously in Arabidopsis. PLANT PHYSIOLOGY 2000; 122:35-48. [PMID: 10631247 PMCID: PMC58842 DOI: 10.1104/pp.122.1.35] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/1999] [Accepted: 09/16/1999] [Indexed: 05/20/2023]
Abstract
In an attempt to elucidate the biological function of villin-like actin-binding proteins in plants we have cloned several genes encoding Arabidopsis proteins with high homology to animal villin. We found that Arabidopsis contains at least four villin-like genes (AtVLNs) encoding four different VLN isoforms. Two AtVLN isoforms are more closely related to mammalian villin in their primary structure and are also antigenically related, whereas the other two contain significant changes in the C-terminal headpiece domain. RNA and promoter/beta-glucuronidase expression studies demonstrated that AtVLN genes are expressed in all organs, with elevated expression levels in certain types of cells. These results suggest that AtVLNs have less-specialized functions than mammalian villin, which is found only in the microvilli of brush border cells. Immunoblot experiments using a monoclonal antibody against pig villin showed that AtVLNs are widely distributed in a variety of plant tissues. Green fluorescent protein fused to full-length AtVLN and individual AtVLN headpiece domains can bind to both animal and plant actin filaments in vivo.
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Affiliation(s)
- U Klahre
- Laboratory of Plant Molecular Biology, The Rockefeller University, 1230 York Avenue, New York, New York 10021, USA
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16
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Westberg JA, Zhang KZ, Andersson LC. Regulation of neural differentiation by normal and mutant (G654A, amyloidogenic) gelsolin. FASEB J 1999; 13:1621-6. [PMID: 10463954 DOI: 10.1096/fasebj.13.12.1621] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Gelsolin belongs to a family of proteins that modulate the structural dynamics of cytoskeletal actin. Gelsolin activity is required for the redistribution of actin occurring during membrane ruffling, cell crawling, and platelet activation. A point mutation (G654A) in the gelsolin gene causes a dominantly inherited systemic amyloidosis called familial amyloidosis of the Finnish type (FAF). This disease is characterized by a cranial neuropathy that cannot be explained solely by amyloid deposits. To address the question of whether gelsolin has a specific role in neural cell development, we transfected cDNA for wild type and G654A point-mutated gelsolin into a neural cell line, Paju, which can be induced to differentiate by treatment with phorbol 12-myristate 13-acetate. Overexpressed wild type gelsolin inhibited neural differentiation whereas mutated gelsolin did not, indicating that appropriate gelsolin activity is essential for neural sprouting. The G654A mutant gelsolin induced stabilization of F-actin and reduced the plasticity of neural development. This provides a novel etiopathogenetic mechanism for the neuronal dysfunction in FAF.
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Affiliation(s)
- J A Westberg
- Department of Pathology, Helsinki University Hospital and Haartman Institute, University of Helsinki, Finland Karolinska Institute and Hospital, Stockholm, Sweden
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17
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Abstract
The gelsolin family of actin-modulating proteins contains seven mammalian members of which three have similar domain structure and function: gelsolin, capG, and adseverin. Previous studies have provided some information on the expression of these proteins, but no comprehensive analysis of expression during development has been performed. By in situ hybridization to murine embryo sections, we show that gelsolin expression is widespread but focal from e12.5 onward, with the exception of brain and mucosal epithelium. In contrast, CapG expression is high in mucosal epithelium, inner renal medulla, and adrenal cortex, and seen at much lower levels more broadly. Adseverin expression is even more restricted, being seen at sites of endochondral bone formation during development only, and in developing and adult outer renal medulla and intestine. In parallel analyses the three genes demonstrated patterns of expression that were complementary and non-overlapping in nearly all organs. The observations suggest new functions for these proteins in organ systems and tissues where their expression was not previously recognized. They further suggest that the proteins have distinct tissue-specific functions in modulating the actin cytoskeleton during cellular motile activities, and that such functions have diverged since the genes arose ancestrally by gene duplication. Dev Dyn 1999;215:297-307.
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Affiliation(s)
- M Arai
- Genetics Laboratory, Hematology Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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18
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Paunio T, Kangas H, Heinonen O, Buc-Caron MH, Robert JJ, Kaasinen S, Julkunen I, Mallet J, Peltonen L. Cells of the neuronal lineage play a major role in the generation of amyloid precursor fragments in gelsolin-related amyloidosis. J Biol Chem 1998; 273:16319-24. [PMID: 9632693 DOI: 10.1074/jbc.273.26.16319] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Gelsolin-related amyloidosis or familial amyloidosis, Finnish type (FAF) (OMIM No105120) is a hereditary amyloid disease caused by a mutation in a precursor protein for amyloid (gelsolin) and characterized by corneal dystrophy and polyneuropathy. In vitro expression of the FAF-mutant (Asp187 --> Asn/Tyr) secretory gelsolin in COS cells leads to generation of an aberrant polypeptide presumably representing the precursor for tissue amyloid. Here, we provide evidence that this abnormal processing results from defective initial folding of the secreted FAF gelsolin due to the lack of the Cys188-Cys201 disulfide bond, normally formed next to the FAF mutation site. We compared cells of different tissue origin and discovered a dramatic difference between the amount of cleavage of FAF gelsolin to the amyloid precursor in neuronal and non-neuronal cells. More than half of the mutant gelsolin was cleaved in PC12 and in vitro differentiated human neuronal progenitor cells. In contrast, human fibroblasts and Schwannoma cell cultures showed only a limited capacity to cleave FAF gelsolin, although the cleavage mechanism per se seems to be similar in the various cell types. The present findings of processing and distribution of secreted FAF gelsolin in the neuronal cells emphasize the role of neurons in the tissue pathogenesis of this amyloid polyneuropathy.
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Affiliation(s)
- T Paunio
- Department of Human Molecular Genetics, Institute of Biomedicine, University of Helsinki and National Public Health Institute, 00300 Helsinki, Finland
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19
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Abstract
We measured the serum gelsolin, actin-modulating protein, levels in five patients after rhabdomyolysis. We observed a tendency of serum gelsolin (83 kDa) to increase during the study period of 11 days. No intracellular gelsolin (80 kDa) was found in the serum, although it is abundant in muscle, and the destruction was severe as judged by other parameters. Serum gelsolin thus behaves differently in rhabdomyolysis than after acute tissue damage in other organs, such as liver necrosis and adult respiratory distress syndrome.
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Affiliation(s)
- M Löfberg
- Institute of Neurosciences, Department of Neurology, Helsinki University Central Hospital, Finland
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20
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Abstract
Gelsolin-related familial amyloidosis, Finnish type, occurs worldwide, most likely as a result of sporadic low-frequency mutations. Two mutations at nucleotide 654 in the gelsolin gene have been demonstrated, which result in a characteristic triad of ophthalmologic, neurologic and dermatologic manifestations distinct from other amyloidoses. Some phenotypic variation, particularly in the age of onset and severity of manifestations, occurs but in general the disease is clinically rather homogeneous. Systemic deposition of amyloid is found in most tissues, predominantly in blood vessel walls and associated with basement membranes. The mutations result in amino acid substitutions with a charge change in the gelsolin molecule, postulated to alter the susceptibility for proteases thereby rendering the molecule amyloidogenic. Gelsolin fragments constitute the amyloid fibrils, but abnormal fragments also occur in patients' plasma and CSF providing evidence for the role of aberrant proteolysis in the disease pathomechanism. This is further strengthened by in vitro expression analyses showing both disease-related mutations to result in secretion of an abnormal gelsolin fragment, the likely precursor protein of gelsolin amyloid. Of the two forms of gelsolin, secretory and cytoplasmic, the secretory plasma form is the likely source of amyloid. The origin of the systemic amyloid deposits is not known but, beside a circulatory origin, local synthesis and deposition is an attractive pathomechanical alternative. The final goal of preventing or curing this disease has come closer, but still awaits further comprehensive pathological, functional and experimental studies in order to dissect all pathogenetically important events.
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Affiliation(s)
- S Kiuru
- Department of Neurology, University of Helsinki, Finland
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