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Wen C, Ying Y, Zhao H, Jiang Q, Gan X, Wei Y, Wei J, Huang X. Resistance exercise affects catheter-related thrombosis in rats through miR-92a-3p, oxidative stress and the MAPK/NF-κB pathway. BMC Cardiovasc Disord 2021; 21:440. [PMID: 34530722 PMCID: PMC8444419 DOI: 10.1186/s12872-021-02233-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 08/05/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND MiR-92a-3p and oxidative stress are associated with catheter-related thrombosis (CRT). As a kind of physical intervention, resistance exercise can effectively promote blood circulation. In this study, we investigated the roles of miR-92a-3p, oxidative stress and the P38 mitogen-activated protein kinase/nuclear factor-κB (MAPK/NF-κB) pathway in CRT during resistance exercise. METHODS The rat CRT model was used for resistance exercise intervention. Moreover, pathological changes from the right jugular vein to the right auricle were observed under an electron microscope. In addition, reactive oxygen species (ROS) production, malondialdehyde (MDA) activity and heme oxygenase (HO-1) level in rat serum were detected via ELISA. The expression levels of miR-92A-3p and HO-1 in the vascular tissues of the rats were determined via real-time quantitative PCR. Additionally, the expression levels of HO-1, NF-κB P65, p38MAPK and IκBa in the venous tissues of the rats were analysed by Western blot analysis. RESULTS The pathological results showed that the thrombosis incidence rate in the CRT + RE group was lower than that in the CRT group. In the CRT group, the expression levels of ROS and MDA, which are markers related to oxidative stress in serum, significantly increased whilst the expression of HO-1 decreased. In the venous tissue, the expression of miR-92a-3p increased, the level of HO-1 decreased, the levels of p38MAPK and NF-κB p65 significantly increased but that of P-IκBa and IκBa significantly decreased. In the CRT + RE group, after administering the resistance exercise intervention, ROS production and MDA activity in serum significantly decreased, the expression level of HO-1 increased and the expression level of miR-92a-3p in the venous tissues significantly decreased and was negatively correlated with that of HO-1. The levels of p38MAPK and NF-κB p65 significantly decreased but that of P- IκBa and IκBa significantly increased. CONCLUSION Resistance exercise intervention downregulated miR-92a-3p expression, repaired oxidative stress injury and prevented CRT formation.
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Affiliation(s)
- Cui Wen
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Yanping Ying
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China.
| | - Huihan Zhao
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Qingjuan Jiang
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Xiao Gan
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Yan Wei
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Jiani Wei
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Xinxin Huang
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, Nanning, 530021, Guangxi, China
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Nugent HM, Sjin RTT, White D, Milton LG, Manson RJ, Lawson JH, Edelman ER. Adventitial endothelial implants reduce matrix metalloproteinase-2 expression and increase luminal diameter in porcine arteriovenous grafts. J Vasc Surg 2007; 46:548-556. [PMID: 17826244 PMCID: PMC2702136 DOI: 10.1016/j.jvs.2007.04.074] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2007] [Accepted: 04/25/2007] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Vascular access dysfunction is a major problem in hemodialysis patients. Only 50% of arteriovenous grafts (AVGs) will remain patent 1 year after surgery. AVGs frequently develop stenoses and occlusions at the venous anastomoses in the venous outflow tract. Lumen diameter is not only determined by intimal thickening but is also influenced by remodeling of the vessel wall. Vascular remodeling requires degradation and reorganization of the extracellular matrix by the degradation enzymes, matrix metalloproteinases (MMPs). In this study, we aimed to provide further insight into the mechanism of endothelial regulation of vascular remodeling and luminal narrowing in AVGs. METHODS End-to-side carotid artery-jugular vein polytetrafluoroethylene grafts were created in 20 domestic swine. The anastomoses and outflow vein were treated with Gelfoam matrices (Pfizer, New York, NY) containing allogeneic porcine aortic endothelial (PAE, n = 10) cells or control matrices without cells (n = 10), and the biologic responses to PAE implants were investigated 3 and 28 days postoperatively. Angiograms before euthanasia were compared with baseline angiograms. Tissue sections were stained with hematoxylin and eosin, Verhoeff elastin, and antibodies specific to MMP-9 and MMP-2 and underwent histopathologic, morphometric and immunohistochemical analysis. RESULTS Veins treated with PAE cell implants had a 2.8-fold increase in venous lumen diameter compared with baseline (P < .05), a 2.3-fold increase in lumen diameter compared with control, and an 81% decrease in stenosis (P < .05) compared with control at 28 days. The increase in lumen diameter by angiographic analysis correlated with morphometric analysis of tissue sections. PAE implants increased the venous lumen area 2.3-fold (P < .05), decreased venous luminal occlusion 66%, and increased positive venous remodeling 1.9-fold (P < .05) compared with control at 28 days. PAE cell implants reduced MMP-2 expression and neovascularization at 3 and 28 days and adventitial fibrosis at 28 days, suggesting a role of the implants in controlling the affects of medial and adventitial cells in the response to vascular injury. CONCLUSIONS These results demonstrate that the adventitial application of endothelial implants significantly reduced MMP-2 expression within the venous wall, and increased venous lumen diameter and positive remodeling in a porcine arteriovenous graft model. Adventitial endothelial implants may be useful in decreasing luminal narrowing in a clinical setting.
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Affiliation(s)
- Helen M Nugent
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA.
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Saunders PC, Pintucci G, Bizekis CS, Sharony R, Hyman KM, Saponara F, Baumann FG, Grossi EA, Colvin SB, Mignatti P, Galloway AC. Vein graft arterialization causes differential activation of mitogen-activated protein kinases. J Thorac Cardiovasc Surg 2004; 127:1276-84. [PMID: 15115983 DOI: 10.1016/j.jtcvs.2003.07.017] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Vascular injury results in activation of the mitogen-activated protein kinases-extracellular-signal regulated kinases, c-jun N-terminal kinase, and p38(MAPK)-which have been implicated in cell proliferation, migration, and apoptosis. The goal of this study was to characterize mitogen-activated protein kinase activation in arterialized vein grafts. METHODS Carotid artery bypass using reversed external jugular vein was performed in 29 dogs. Vein grafts were harvested after 30 minutes and 3, 8, and 24 hours, and 4, 7, 14, and 28 days. Contralateral external jugular vein and external jugular vein interposition vein-to-vein grafts were used as controls. Vein graft extracts were analyzed for extracellular-signal regulated kinases, c-jun N-terminal kinase, and p38(MAPK) activation. Proliferating cell nuclear antigen expression was investigated as a parameter of cell proliferation. Apoptosis was assessed by terminal deoxynucleotidyl transferase-mediated 2'-deoxyuridine 5'-triphosphate nick end labeling staining and intimal hyperplasia by morphometric examination of tissue sections. RESULTS Significant intimal hyperplasia was observed at 28 days. Over the time points studied, vein graft arterialization resulted in bimodal activation of both extracellular-signal regulated kinase and p38(MAPK) (30 minutes through 3 hours; 4 days) but did not induce activation of c-jun N-terminal kinase. Proliferating cell nuclear antigen expression increased from days 1 through 28, and apoptosis increased between 8 and 24 hours. CONCLUSION Vein graft arterialization induces bimodal activation of extracellular-signal regulated kinase and p38(MAPK); however, in contrast with what is described in arterial injury, it does not induce c-jun N-terminal kinase activation. These results provide the first comprehensive characterization of the mitogen-activated protein kinase signaling pathways activated in vein graft arterialization and identify mitogen-activated protein kinases as potential mediators of vein graft remodeling and subsequent intimal hyperplasia.
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Affiliation(s)
- Paul C Saunders
- Seymour Cohn Cardiovascular Research Laboratory, Division of Cardiothoracic Surgery, Department of Surgery, New York University School of Medicine, New York 10016, USA
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Abstract
BACKGROUND Leukocyte infiltration and serine elastase activity lead to smooth muscle cell proliferation in association with posttransplant coronary arteriopathy and may also be involved in vein graft neointimal formation. A number of therapies have targeted cellular proliferation, but the inhibition of serine elastase-mediated extracellular matrix remodeling has not been investigated as a potential strategy to prevent neointimal formation and subsequent atherosclerotic degeneration in vein grafts. METHODS AND RESULTS We studied jugular vein grafts 48 hours after interposition into the carotid arteries of rabbits and demonstrated inflammatory cell infiltration and elevated serine elastase activity, a stimulus for matrix remodeling and deposition of elastin. Therefore, elastolytic activity in vein grafts was targeted through transient expression of the selective serine elastase inhibitor elafin with hemagglutinating virus of Japan liposome-mediated gene transfer. Elafin transfection reduced inflammation by 60% at 48 hours and neointimal formation by approximately 50% at 4 weeks after implantation. At 3 months, a 74% decrease in neointimal elastin deposition correlated with protection against cholesterol-induced macrophage infiltration and lipid accumulation, which were both reduced by approximately 50% in elafin-transfected grafts relative to controls. CONCLUSIONS Gene transfer of the selective serine elastase inhibitor elafin in vein grafts is effective in reducing the early inflammatory response. Although transient expression of elafin delays neointimal formation, it is also sufficient to cause an alteration in elastin content of the extracellular matrix, making it relatively resistant to atherosclerotic degeneration.
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Affiliation(s)
- S B O'Blenes
- Program in Cardiovascular Research, The Hospital for Sick Children, Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
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Leville CD, Dassow MS, Seabrook GR, Jean-Claude JM, Towne JB, Cambria RA. All-trans-retinoic acid decreases vein graft intimal hyperplasia and matrix metalloproteinase activity in vivo. J Surg Res 2000; 90:183-90. [PMID: 10792961 DOI: 10.1006/jsre.2000.5887] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND Development of vein graft intimal hyperplasia has been associated with increased activity of matrix metalloproteinases (MMPs). All-trans-retinoic acid (atRA) decreases expression and activity of MMPs in tissue culture and has decreased intimal hyperplasia following arterial balloon catheter injury. We examined the effect of oral administration of atRA on intimal hyperplasia and MMP expression in an animal model of vein bypass grafting. MATERIALS AND METHODS Interposition jugular vein bypass grafts were placed in the carotid artery of New Zealand white rabbits. Animals received either atRA (10 mg/kg/day) or vehicle (corn oil) for a period of 2 weeks. Retinoic acid serum levels were determined by HPLC. Intimal and medial areas were measured using morphometric analysis of perfusion-fixed vein graft specimens, and intimal thickness was calculated using circumferential measurements. Expression of MMP-2, MMP-9, and TIMP-1 in vein grafts and unoperated control veins was determined using Northern analysis, and proteolytic activity was determined using substrate gel zymography. RESULTS Animals treated with atRA had significantly elevated serum levels of this compound and its metabolites. A decrease in intimal to medial ratio was noted after 28 days in vein grafts from treated animals (0.63 vs 0.88, P < 0.01), and a decrease in calculated intimal thickness was noted at 7 and 28 days. Expression of MMP-2 was decreased in treated animals 7 days following surgery, and expression of both MMP-2 and MMP-9 was decreased at 28 days. A decrease in proteolytic activity was noted on zymography at 68 kDa, 7 and 28 days following surgery in vein grafts from animals treated with atRA, corresponding with a decrease in the active form of MMP-2. Increased expression of TIMP-1 was noted in vein grafts from both the treated and the control groups, 7 and 28 days following graft placement. CONCLUSIONS Oral administration of all-trans-retinoic acid resulted in decreased intimal hyperplasia in an animal model of vein bypass grafting. This was associated with decreased expression and activity of MMP-2 in treated animals.
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Affiliation(s)
- C D Leville
- Division of Vascular Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
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Abstract
PURPOSE Adenovirus-mediated arterial gene transfer is a promising tool in the study of vascular biology and the development of vascular gene therapy. However, intraluminal delivery of adenoviral vectors causes vascular inflammation and neointimal formation. Whether these complications could be avoided and gene transfer efficiency maintained by means of delivering adenoviral vectors via the adventitia was studied. METHODS Replication-defective adenoviral vectors encoding a beta-galactosidase (beta-gal) gene (AdRSVnLacZ) or without a recombinant gene (AdNull) were infused into the lumen or the adventitia of rabbit carotid arteries. Two days after infusion of either AdRSVnLacZ (n = 8 adventitial, n = 8 luminal) or AdNull (n = 4 luminal), recombinant gene expression was quantitated by histochemistry (performed on tissue sections) and with a beta-gal activity assay (performed on vessel extracts). Inflammation caused by adenovirus infusion was assessed 14 days after infusion of either AdNull (n = 6) or vehicle (n = 6) into the carotid adventitia. Inflammation was assessed by means of examination of histologic sections for the presence of neointimal formation and infiltrating T cells and for the expression of markers of vascular cell activation (ICAM-1 and VCAM-1). To measure the systemic immune response to adventitial infusion of adenovirus, plasma samples (n = 3) were drawn 14 days after infusion of AdNull and assayed for neutralizing antibodies. RESULTS Two days after luminal infusion of AdRSVnLacZ, approximately 30% of luminal endothelial cells expressed beta-gal. Similarly, 2 days after infusion of AdRSVnLacZ to the adventitia, approximately 30% of adventitial cells expressed beta-gal. beta-gal expression was present in the carotid adventitia, the internal jugular vein adventitia, and the vagus nerve perineurium. Elevated beta-gal activity (50- to 80-fold more than background; P <.05) was detected in extracts made from all AdRSVnLacZ-transduced arteries. The amount of recombinant protein expression per vessel did not differ significantly between vessels transduced via the adventitia (17.1 mU/mg total protein [range, 8.1 to 71.5]) and those transduced via a luminal approach (10.0 mU/mg total protein [range, 3.9 to 42.6]). Notably, adventitial delivery of AdNull did not cause neointimal formation. In addition, vascular inflammation in arteries transduced via the adventitia (ie, T-cell infiltrates and ICAM-1 expression) was confined to the adventitia, sparing both the intima and media. Antiadenoviral neutralizing antibodies were present in all rabbits after adventitial delivery of AdNull. CONCLUSION Infusion of adenoviral vectors into the carotid artery adventitia achieves recombinant gene expression at a level equivalent to that achieved by means of intraluminal vector infusion. Because adventitial gene transfer can be performed by means of direct application during open surgical procedures, this technically simple procedure may be more clinically applicable than intraluminal delivery. Moreover, despite the generation of a systemic immune response, adventitial infusion had no detectable pathologic effects on the vascular intima or media. For these reasons, adventitial gene delivery may be a particularly useful experimental and clinical tool.
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Affiliation(s)
- D B Schneider
- Gladstone Institute of Cardiovascular Disease, Department of Surgery and Medicine, University of California, San Francisco, USA
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Huynh TT, Iaccarino G, Davies MG, Svendsen E, Koch WJ, Hagen PO. Adenoviral-mediated inhibition of G beta gamma signaling limits the hyperplastic response in experimental vein grafts. Surgery 1998; 124:177-86. [PMID: 9706136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Vein graft intimal hyperplasia is associated with changes in G protein expression. The carboxyl terminus of the beta-adrenergic receptor kinase-1 (beta ARKCT) is known to inhibit G beta gamma-mediated mitogen-activated signaling pathways. This study examines the effects of adenoviral-mediated beta ARKCT infection on the development of intimal hyperplasia in vein grafts. METHODS New Zealand White rabbits underwent bypass grafting of the carotid artery with the jugular vein. Vein grafts were infected with adenoviral vectors encoding for beta ARKCT (n = 19), beta-galactosidase (n = 3), or empty viral constructs (n = 12). In control animals, vein grafting was performed without infection (n = 10). RESULTS The efficacy of beta ARKCT infection in vein grafts was verified by reverse transcriptase-polymerase chain reaction. X-gal staining of beta-galactosidase-infected vein grafts demonstrated the transgene in cells throughout the vessel wall. Adenoviral infection of vein grafts without gene transfer did not alter wall thicknesses or sensitivities to contractile agonists, compared with control grafts. beta ARKCT infection, however, reduced intimal thickness by 36% (P < .001) and medial thickness by 24% (P < .001), compared with empty viral infection. beta ARKCT-infected vein grafts also demonstrated increased sensitivity in response to contractile agonists. CONCLUSIONS These results show that inhibition of G beta gamma signaling with adenoviral-mediated beta ARKCT in vivo infection effectively modifies the structural and functional hyperplastic abnormalities in vein grafts.
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Affiliation(s)
- T T Huynh
- Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
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Huynh TT, Davies MG, Barber L, Svendsen E, Hagen PO. Local inhibition of tyrosine kinase activity markedly attenuates the development of intimal hyperplasia in experimental vein grafts. J Surg Res 1998; 77:104-11. [PMID: 9733595 DOI: 10.1006/jsre.1998.5300] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND Intimal hyperplasia is due to the migration and proliferation of vascular smooth muscle cells after bypass surgery. Tyrosine kinases are involved in many signal transduction pathways including cell proliferation. This study examines the effects of local treatment with the tyrosine kinase inhibitor, tyrphostin AG-51, on the formation of intimal hyperplasia in vein grafts. MATERIALS AND METHODS Thirty-nine New Zealand White rabbits underwent interposition bypass grafting of the carotid artery using the jugular vein. In the first group (TKI), tyrphostin AG-51 (5 mg), dissolved in 600 microliter of dimethyl sulfoxide and Ringer's lactate (2:1, v:v), was used to incubate the veins ex vivo prior to grafting and delivered locally in 2.5 ml of 30% pluronic gel after grafting. The second group (DMSO) received the same treatment but without tyrphostin. In the third group (control), tyrphostin and DMSO were omitted from the incubation and gel delivery solutions. Postoperatively, vein grafts were harvested on Day 3 for Western analysis using an antiphosphotyrosine antibody (PY-20) to assess for tyrosine kinase activity, and on Day 28 for either morphologic or contractile function studies. RESULTS Local application of the TKI to vein grafts resulted in a 49% reduction in intimal hyperplasia compared to DMSO-treated vein grafts (31 +/- 4 micrometer vs. 61 +/- 5 micrometer, P < 0.01). Treatment with DMSO alone reduced intimal hyperplasia by 28% compared to control (85 +/- 4 micrometer, P < 0.05). The contractile responses in the DMSO and TKI-treated vein grafts were equivalent. Western analysis showed a 39-fold decrease in tyrosine phosphorylation with TKI treatment compared to control. CONCLUSION This study demonstrates that local short-term treatment with TKI produces a 49% reduction in intimal hyperplasia and suggests that phosphorylation of tyrosine residues is involved in the signaling pathways leading to the development of intimal hyperplasia in vein grafts.
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Affiliation(s)
- T T Huynh
- Vascular Biology and Atherosclerosis Research Laboratory, Duke University Medical Center, Durham, North Carolina, 27710, USA
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Breitenecker G, Eichelter P, Staudacher M, Weissenhofer W. [Lyophilised vein as a vascular prosthesis]. Thoraxchir Vask Chir 1972; 20:169-78. [PMID: 4340328 DOI: 10.1055/s-0028-1098991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Denk H, Fischer M. [Histochemical studies on fibrinolytic activity of experimental thrombi in rats after administration of direct and indirect fibrinolytic agents]. Thromb Diath Haemorrh 1970; 24:48-54. [PMID: 5483974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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