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Kamiya S, Kobayashi T, Sawada K. Tracking of Internal Granular Progenitors Responding to Valproic Acid in the Cerebellar Cortex of Infant Ferrets. Cells 2024; 13:308. [PMID: 38391920 PMCID: PMC10886983 DOI: 10.3390/cells13040308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 02/24/2024] Open
Abstract
Internal granular progenitors (IGPs) in the developing cerebellar cortex of ferrets differentiate towards neural and glial lineages. The present study tracked IGPs that proliferated in response to valproic acid (VPA) to determine their fate during cerebellar cortical histogenesis. Ferret kits were used to administer VPA (200 μg/g body weight) on postnatal days 6 and 7. EdU and BrdU were injected on postnatal days 5 and 7, respectively, to label the post-proliferative and proliferating cells when exposed to VPA. At postnatal day 20, when the external granule layer was most expanded, EdU- and BrdU-single-labeled cells were significantly denser in the inner granular layer of VPA-exposed ferrets than in controls. No EdU- or BrdU-labeling was found in Purkinje cells and molecular layer interneurons. Significantly higher percentages of NeuN and Pax6 immunostaining in VPA-exposed ferrets revealed VPA-induced differentiation of IGPs towards granular neurons in BrdU-single-labeled cells. In contrast, both EdU- and BrdU-single-labeled cells exhibited significantly greater percentages of PCNA immunostaining, which appeared in immature Bergman glia, in the internal granular layer of VPA-exposed ferrets. These findings suggest that VPA affects the proliferation of IGPs to induce differentiative division towards granular neurons as well as post-proliferative IGPs toward differentiation into Bergmann glia.
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Affiliation(s)
- Shiori Kamiya
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama 338-8570, Japan; (S.K.); (T.K.)
| | - Tetsuya Kobayashi
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama 338-8570, Japan; (S.K.); (T.K.)
| | - Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura 300-0051, Japan
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Kamiya S, Kobayashi T, Sawada K. Induction of cerebellar cortical neurogenesis immediately following valproic acid exposure in ferret kits. Front Neurosci 2023; 17:1318688. [PMID: 38130693 PMCID: PMC10734798 DOI: 10.3389/fnins.2023.1318688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023] Open
Abstract
Introduction Valproic acid (VPA) is an anticonvulsant/antiepileptic drug that regulates neurogenesis. Its effects vary depending on the timing of exposure and the types of neural progenitors involved. Neonatal exposure to VPA causes autism spectrum disorder-like behaviors in some mammalian species, including ferrets. Ferrets experience the cerebellar cortical histogenesis during early postnatal period. However, no studies have evaluated the effect of VPA on cerebellar corticohistogenesis. The present study aimed to determine the effects of VPA exposure on the developing cerebellar cortex in ferret kits with a particular focus on the cortical neurogenesis. Methods The experimental kits each received an intraperitoneal injection of VPA, 200 μg/g body weight, on postnatal days 6 and 7. EdU and BrdU were administered on postnatal days 5 and 7, respectively, to label cells proliferating prior to and following exposure to VPA. Results We found that 2 h post BrdU injection, BrdU-labeled cells were abundantly distributed in the internal granular layer (IGL), whereas EdU-labeled cells were primarily relegated to the inner pre-migratory zone of the external granular layer (EGL). The density of BrdU-single-labeled cells was significantly lower in the EGL and significantly higher in the IGL of the VPA-exposed group, as compared to the control group. Immunostaining for doublecortin, a marker of immature neurons, was observed in BrdU-single-labeled cells in the IGL of the VPA-exposed group, which was significantly higher than that observed in the control group. EdU-single-labeled cells that had proliferated prior to VPA exposure were also detected in the IGL. While the cell density remained unchanged, significant changes were observed in the proportions of EdU-single-labeled cells immunostained with marker antigens; higher proportion of PCNA immunostaining, but lower proportion of S100 immunostaining in the VPA-exposed group compared to the control group. Discussion These findings suggest the presence of progenitors in the IGL of the developing cerebellar cortex in ferret kits. We called them "internal granular progenitors." The progenitors may proliferate in response to VPA, leading the differentiated lineage more toward neurons than to glial cells. Thus, VPA may facilitate the differentiative division of internal granular progenitors to produce cerebellar granular neurons.
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Affiliation(s)
- Shiori Kamiya
- Department of Regulation Biology, Graduate School of Sciences and Engineering, Saitama University, Saitama, Japan
| | - Tetsuya Kobayashi
- Department of Regulation Biology, Graduate School of Sciences and Engineering, Saitama University, Saitama, Japan
| | - Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Japan
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Sawada K, Kamiya S, Kobayashi T. Neonatal Exposure to Lipopolysaccharide Promotes Neurogenesis of Subventricular Zone Progenitors in the Developing Neocortex of Ferrets. Int J Mol Sci 2023; 24:14962. [PMID: 37834410 PMCID: PMC10573966 DOI: 10.3390/ijms241914962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
Lipopolysaccharide (LPS) is a natural agonist of toll-like receptor 4 that serves a role in innate immunity. The current study evaluated the LPS-mediated regulation of neurogenesis in the subventricular zone (SVZ) progenitors, that is, the basal radial glia and intermediate progenitors (IPs), in ferrets. Ferret pups were subcutaneously injected with LPS (500 μg/g of body weight) on postnatal days (PDs) 6 and 7. Furthermore, 5-ethynyl-2'-deoxyuridine (EdU) and 5-bromo-2'-deoxyuridine (BrdU) were administered on PDs 5 and 7, respectively, to label the post-proliferative and proliferating cells in the inner SVZ (iSVZ) and outer SVZ (oSVZ). A significantly higher density of BrdU single-labeled proliferating cells was observed in the iSVZ of LPS-exposed ferrets than in controls but not in post-proliferative EdU single-labeled and EdU/BrdU double-labeled self-renewing cells. BrdU single-labeled cells exhibited a lower proportion of Tbr2 immunostaining in LPS-exposed ferrets (22.2%) than in controls (42.6%) and a higher proportion of Ctip2 immunostaining in LPS-exposed ferrets (22.2%) than in controls (8.6%). The present findings revealed that LPS modified the neurogenesis of SVZ progenitors. Neonatal LPS exposure facilitates the proliferation of SVZ progenitors, followed by the differentiation of Tbr2-expressing IPs into Ctip2-expressing immature neurons.
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Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura 300-0051, Japan
| | - Shiori Kamiya
- Department of Regulation Biology, Faculty of Science, Saitama University, Saitama 338-8570, Japan; (S.K.); (T.K.)
| | - Tetsuya Kobayashi
- Department of Regulation Biology, Faculty of Science, Saitama University, Saitama 338-8570, Japan; (S.K.); (T.K.)
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Sawada K, Kamiya S. Differential staining patterns of immunohistochemical markers for neurogenesis staging in the premature cerebellum of ferrets and mice. Congenit Anom (Kyoto) 2023. [PMID: 36945999 DOI: 10.1111/cga.12513] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 02/06/2023] [Accepted: 03/03/2023] [Indexed: 03/23/2023]
Abstract
Immunohistochemical staining patterns of markers for neurogenesis staging were compared at the identical stage of cerebellar histogenesis between ferrets (aged 20 days) and mice (aged 10 days). Proliferating cell nuclear antigen (PCNA) immunostaining was observed largely in the granular precursors of the external granular layer (EGL) in both ferrets and mice. PCNA-immunostaining was also found in brain lipid-binding protein-immunopositive cells in the internal granular layer and was more abundant in ferrets than in mice. Paired box 6 immunostaining appeared largely in the EGL granular precursors in mice, whereas it emerged in the migrating/differentiating granular precursors in ferrets. These findings revealed that the types and neurogenesis stages of the EGL granular precursors detected by immunohistochemical markers differed between ferrets and mice.
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Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Japan
| | - Shiori Kamiya
- Department of Regulation Biology, Graduate School of Sciences and Engineering, Saitama University, Japan
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Mitsui K, Kataoka Y, Murai K, Kitahara S, Iwai T, Sawada K, Matama H, Honda S, Fujino M, Takagi K, Yoneda S, Otsuka F, Asaumi Y, Tsujita K, Noguchi T. Characterization of lipidic plaque materials at calcified atheroma: its association with calcification thickness evaluated by optical coherence tomography and near-infrared spectroscopy imaging. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
The degree of calcification and its thickness have been considered to affect stent expansion, leading to an increases risk of repeat revascularization in patients receiving PCI. Pathophysiologically, accumulation of lipidic materials within vessel wall could trigger the formation of plaque calcification. Elucidating characteristics of lipidic plaque components at calcified atheroma may enable to identify phenotypes with thick calcification which less likely responds to PCI.
Purpose
This study investigated the relationship of calcification thickness with lipidic plaque materials at calcified atheroma by using OCT and near-infrared spectroscopy (NIRS) imaging.
Methods
We analyzed 52 calcified lesions (culprit/non culprit lesions=44/8) in 47 CAD patients (stable CAD/ACS=36/11) from the REASSURE-NIRS registry (NCT04864171). OCT and NIRS imaging evaluated 4-mm segment exhibiting maximum superficial calcification arc. Calcification thickness on OCT imaging, its arc on IVUS imaging, and NIRS-derived lipid arc were analyzed at every 1-mm interval cross-sectional images. In addition, yellow-calcification ratio (YCR = lipid arc/calcification arc) was calculated (Figure 1).
Results
53% of study subjects exhibited chronic kidney disease and 70% of them received a statin (averaged on-treatment LDL-C =89mg/dL). Throughout OCT and NIRS/IVUS imaging analysis of 260 cross-sectional images, the averaged calcification arc, its maximum thickness, lipid arc and YCR were 210° (167–285°), 0.78mm (0.62–0.95mm), 95° (31–169°) and 0.33 (0.09–0.59), respectively. As expected, thicker calcification more likely exhibited a greater calcification arc (r=0.30, p<0.001). Furthermore, a greater thickness of calcification was associated with smaller lipidic plaque burden, reflected by yellow arc (r=−0.36, p<0.001) and YCR (r=−0.36, p<0.001) (Figure 2). After adjusting age, gender and ACS, calcification arc (p<0.001) and YCR (p<0.001) continued to predict thicker calcification.
Conclusion
Thickening of calcification was associated with severer calcification arc, which was accompanied by the shrinkage of lipidic plaques. Our findings suggest the evaluation of lipidic plaque component as a potential tool to identify calcified atheroma harbouring thick calcification, which may cause a greater risk of stent underexpansion.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- K Mitsui
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - Y Kataoka
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - K Murai
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - S Kitahara
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - T Iwai
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - K Sawada
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - H Matama
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - S Honda
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - M Fujino
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - K Takagi
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - S Yoneda
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - F Otsuka
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - Y Asaumi
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - K Tsujita
- Kumamoto University, Cardiovascular Medicine Graduate School of Medical Sciences , Kumamoto , Japan
| | - T Noguchi
- National Cerebral & Cardiovascular Center , Suita , Japan
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Mukaida T, Kataoka Y, Murai Y, Iwai T, Sawada K, Matama H, Honda S, Takagi K, Fujino M, Yoneda S, Otsuka F, Tahara Y, Asaumi Y, Noguchi T. Deterioration of cardiogenic shock after acute myocardial infarction defined by the society for cardiovascular angiography and intervention cardiogenic shock classification scheme. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Cardiogenic shock (CS) in patients with AMI presents worse cardiovascular outcomes, which suggests the need for better risk stratification and management. The Society for Cardiovascular Angiography and Intervention (SCAI) has recently proposed CS classification scheme, which stratifies CS into 5 groups according to hypotension and hypoperfusion. While stage A and B exhibits CS without hypotension and/or hypoperfusion, their clinical condition could rapidly deteriorate into stage C-E. However, clinical characteristics and in-hospital outcomes of CS exhibiting its deterioration remains uncertain.
Purpose
To characterize AMI patients who deteriorated their CS status from stage A and B into stage C-E.
Methods
This single-center observational study included 326 consecutive AMI patients receiving primary PCI who presented CS stage A and B on arrival (2019.09.01–2021.09.30). Deterioration of CS (D-CS) was defined as the progression from stage A and B on arrival to stage C-E after primary PCI. Clinical characteristics and outcomes were compared in those with and without D-CS.
Results
D-CS was identified in 16.0% of entire subjects (=52/326). Of these, 94.2 and 5.8% of them exhibited stage C and E, respectively (Figure). Patients with D-CS more likely presented STEMI (84.6 vs. 67.9%, p=0.01) with a lower systolic BP (sBP) level (130±31 vs. 148±26mmHg, p<0.001) and a reduced LVEF (43±13 vs. 51±9%, p<0.001), whereas there was no significant difference in lactate level (1.5±0.4 vs. 1.2±0.3 mmol/L, p=0.22). Pre-TIMI flow grade 0–1 (69.2 vs. 47.8%, p=0.006), left main trunk stenosis (9.6 vs. 1.5%, p=0.007) and chronic total occlusion (21.2 vs. 8.4%, p=0.01) were more frequently observed in those with D-CS. Despite achieving a shorter onset-to-reperfusion time (199 vs. 276 minutes, p=0.002), D-CS was associated with in-hospital all-cause mortality after adjusting clinical characteristics (HR=33.6, 95% CI: 2.2–502.0, p=0.01). Furthermore, mechanical circulatory support (MCS) (30.8 vs. 0%, p<0.001) was more frequently required in patients with D-CS (IABP: 28.8 vs. 0%, p<0.001, ECMO: 11.5 vs. 0%, p<0.001, Impella: 3.8 vs. 0%, p=0.02). Further analysis identified sBP (HR=0.98, 95% CI: 0.97–1.00, p=0.008), LVEF (HR=0.94, 95% CI: 0.90–0.97, p<0.001) and pre-TIMI flow grade 0–1 (HR=0.41, 95% CI: 0.19–0.86, p=0.01) as independent contributors to D-CS. ROC analysis demonstrated sBP <135 mmHg (AUC=0.65) and LVEF <50% (AUC=0.69) as best cut-off values to predict D-CS. Of note, a risk of D-CS increased in association with the number of these three factors (p<0.001), and 44.0% of those with all of these factors presented D-CS (Figure).
Conclusion
16.0% of AMI without any hypotension/hypoperfusion on arrival exhibited deterioration of CS status on SCAI classification. The combination of sBP, LVEF and pre-TIMI flow grade could help to identify AMI subjects with a risk of D-CS, who may benefit from early adoption of intensified management including MCS prior to PCI.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- T Mukaida
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - Y Kataoka
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - Y Murai
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - T Iwai
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - K Sawada
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - H Matama
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - S Honda
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - K Takagi
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - M Fujino
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - S Yoneda
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - F Otsuka
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - Y Tahara
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - Y Asaumi
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
| | - T Noguchi
- Department of Cardiovascular Medicine, National Cerebral & Cardiovascular Center , Osaka , Japan
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Sawada K, Nitta H, Nakamura Y, Okamoto W, Taniguchi H, Komatsu Y, Hara H, Kato T, Nishina T, Ohta T, Esaki T, Yoshino T, Fujii S. 1705P HER2 intratumoral genetic and non-genetic heterogeneity in metastatic colorectal cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Sawada K, Yoshiki A, Saito S. Editorial: Brain abnormalities due to genetic alterations or developmental exposure to environmental factors. Front Neurosci 2022; 16:944861. [PMID: 35958989 PMCID: PMC9361871 DOI: 10.3389/fnins.2022.944861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/10/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Japan
- Experimental Animal Division, RIKEN BioResource Research Center, Tsukuba, Japan
- *Correspondence: Kazuhiko Sawada
| | - Atsushi Yoshiki
- Experimental Animal Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Shigeyoshi Saito
- Division of Health Sciences, Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, Suita, Japan
- Department of Advanced Medical Technologies, National Cerebral and Cardiovascular Center, Research Institute, Suita, Japan
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Harada K, Yamamura T, Muto O, Nakamura M, Sogabe S, Sawada K, Nakano S, Yagisawa M, Muranaka T, Dazai M, Tateyama M, Ito K, Saito R, Kobayashi Y, Kato S, Miyagishima T, Kawamoto Y, Yuki S, Sakata Y, Sakamoto N, Komatsu Y. SO-30 Impact of single-heterozygous UGT1A1 on the clinical outcomes of nano-liposomal irinotecan plus 5-fluorouracil/leucovorin for patients with pancreatic ductal adenocarcinoma. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Sawada K. Neurogenesis of Subventricular Zone Progenitors in the Premature Cortex of Ferrets Facilitated by Neonatal Valproic Acid Exposure. Int J Mol Sci 2022; 23:ijms23094882. [PMID: 35563273 PMCID: PMC9099828 DOI: 10.3390/ijms23094882] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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: 03/25/2022] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 11/16/2022] Open
Abstract
The present study evaluated the neurogenesis of neonatal valproic acid (VPA) exposure on subventricular zone progenitors of the developing cerebral cortex in ferrets. VPA was injected at a dose of 200 µg/g of body weight into ferret infants on postnatal days 6 and 7. Two different thymidine analogues, 5-ethynyl-2′-deoxyuridine (EdU) and 5-bromo-2′-deoxyuridine (BrdU), were injected with a 48 h interval to label proliferating cells before and after VPA exposure. Two hours after BrdU injection, BrdU single- and EdU/BrdU double-labeled cells, but not EdU single-labeled cells, were significantly denser in both the inner and outer subventricular zones of VPA-exposed infants than in control infants. Notably, more than 97% of BrdU single- and EdU/BrdU double-labeled cells were immunopositive for Pax6, a stable marker for basal radial glia (bRG), in both groups. In contrast, the percentage of cells positively immunostained for Cux1, a postmitotic marker for upper-layer cortical neurons, in both EdU single- and BrdU single-labeled cells, was significantly higher in VPA-exposed infants than in control infants. These findings suggest that neonatal VPA exposure facilitates bRG proliferation, including self-renewal, followed by their differentiation into upper layer cortical neurons in the premature cortex of ferrets.
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Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura 300-0051, Ibaraki, Japan
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Sawada K, Kamiya S, Aoki I. The Proliferation of Dentate Gyrus Progenitors in the Ferret Hippocampus by Neonatal Exposure to Valproic Acid. Front Neurosci 2021; 15:736313. [PMID: 34650400 PMCID: PMC8505998 DOI: 10.3389/fnins.2021.736313] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/30/2021] [Indexed: 11/13/2022] Open
Abstract
Prenatal and neonatal exposure to valproic acid (VPA) is associated with human autism spectrum disorder (ASD) and can alter the development of several brain regions, such as the cerebral cortex, cerebellum, and amygdala. Neonatal VPA exposure induces ASD-like behavioral abnormalities in a gyrencephalic mammal, ferret, but it has not been evaluated in brain regions other than the cerebral cortex in this animal. This study aimed to facilitate a comprehensive understanding of brain abnormalities induced by developmental VPA exposure in ferrets. We examined gross structural changes in the hippocampus and tracked proliferative cells by 5-bromo-2-deoxyuridine (BrdU) labeling following VPA administration to ferret infants on postnatal days (PDs) 6 and 7 at 200 μg/g of body weight. Ex vivo short repetition time/time to echo magnetic resonance imaging (MRI) with high spatial resolution at 7-T was obtained from the fixed brain of PD 20 ferrets. The hippocampal volume estimated using MRI-based volumetry was not significantly different between the two groups of ferrets, and optical comparisons on coronal magnetic resonance images revealed no differences in gross structures of the hippocampus between VPA-treated and control ferrets. BrdU-labeled cells were observed throughout the hippocampus of both two groups at PD 20. BrdU-labeled cells were immunopositive for Sox2 (>70%) and almost immunonegative for NeuN, S100 protein, and glial fibrillary acidic protein. BrdU-labeled Sox2-positive progenitors were abundant, particularly in the subgranular layer of the dentate gyrus (DG), and were denser in VPA-treated ferrets. When BrdU-labeled Sox2-positive progenitors were examined at 2 h after the second VPA administration on PD 7, their density in the granular/subgranular layer and hilus of the DG was significantly greater in VPA-treated ferrets compared to controls. The findings suggest that VPA exposure to ferret infants facilitates the proliferation of DG progenitors, supplying excessive progenitors for hippocampal adult neurogenesis to the subgranular layer.
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Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Japan
| | - Shiori Kamiya
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Japan
| | - Ichio Aoki
- Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology, Chiba, Japan.,Institute for Quantum Life Science, National Institutes for Quantum Science and Technology, Chiba, Japan
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14
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Ono R, Miyauchi H, Iimori T, Sawada K, Kuwabara Y, Kobayashi Y. SPECT-guided myocardial perfusion and metabolic fatty acid planar imaging to assess the severity of the pulmonary hypertension in patients with chronic thromboembolic pulmonary hypertension. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Patients with chronic thromboembolic pulmonary hypertension (CTEPH) represent right ventricular (RV) enlargement and hypertrophy, which consequently increase the RV myocardial perfusion. Although the main energy source of myocardium is fatty acid, it remains unknown whether myocardial fatty acid metabolism is altered in loaded RV. Herein, we report a novel approach to assess the RV perfusion and fatty acid metabolism, which is called SPECT-guided planar imaging.
Purpose
To evaluate if SPECT-guided myocardial perfusion and metabolic fatty acid planar imaging reflects the severity of the pulmonary hypertension in patients with chronic thromboembolic pulmonary hypertension.
Methods
The study groups included 30 patients with CTEPH and 20 healthy controls. In these patients with CTEPH, 15 patients underwent pulmonary thromboendarterectomy (PEA). Mean pulmonary artery pressure (mPAP) by right heart catheterization was obtained in all CTEPH patients. 201Thallium (201Tl) and iodine-123-beta-methyl iodophenyl pentadecanoic acid (123I-BMIPP) planar myocardial imaging was performed in all participants. For the patients undergoing PEA, repetitive SPECT-guided 201Tl and 123I-BMIPP planar imaging was performed one year after the procedure. To assess the RV overload, the planar images were performed in left anterior oblique position, optimized to separate the RV from the left ventricular (LV) using SPECT-guided transverse imaging. We measured the total counts of 201Tl and 123I-BMIPP in both the RV and LV. Moreover, we calculated their relative counts of the RV to LV (abbreviated as HR/HL (Tl) and HR/HL (BMIPP), respectively) to determine the indices of myocardial perfusion and fatty acid metabolism, respectively.
Results
Both HR/HL (Tl) and HR/HL (BMIPP) were elevated in the CTEPH patients compared with control (0.62±0.14 vs. 0.36±0.07, p<0.01 and 0.57±0.14 vs. 0.34±0.06, p<0.01, respectively). In the CTEPH patients, average mPAP was 44.0±9.52 mmHg, which was correlated with HR/HL (Tl) (r=0.675, p<0.001) and HR/HL (BMIPP) (r=0.685, p<0.01). Furthermore, the decrease of average mPAP 1 year after PEA was positively associated with the decrease of HR/HL (Tl) (r=0.646, p<0.01) and HR/HL (BMIPP) (r=0.504, p<0.05) 1 year after PEA.
Conclusions
In patients with CTEPH, RV myocardial perfusion and fatty acid metabolism was upregulated and moderately correlated with mPAP. SPECT-guided 201Tl and 123I-BMIPP planar imaging is a novel and noninvasive imaging modality to assess the severity of PH.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- R Ono
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - H Miyauchi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - T Iimori
- Chiba University Hospital, Department of Radiology, Chiba, Japan
| | - K Sawada
- Chiba University Hospital, Department of Radiology, Chiba, Japan
| | - Y Kuwabara
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
| | - Y Kobayashi
- Chiba University Graduate School of Medicine, Department of Cardiovascular Medicine, Chiba, Japan
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15
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Kataoka Y, Iwai T, Sawada K, Matama H, Honda S, Takagi K, Fujino M, Yoneda S, Otsuka F, Tahara Y, Asaumi Y, Toyoda K, Noguchi T. Substantially elevated thromboembolic and bleeding risks in patients with AMI following acute/subacute stroke events. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
AMI infrequently but concomitantly occurs after stroke events. Current guideline recommends primary PCI with DAPT in the setting of AMI. However, this approach is not necessarily applicable in AMI subjects following acute/subacute stroke events due to its bleeding risk. Clinical management and outcomes of these AMI subjects following remains uncertain.
Purpose
To characterize management and clinical outcomes in patients with AMI following acute/subacute stroke events (=post-stroke AMI).
Methods
The current study retrospectively analyzed 2041 AMI patients hospitalized at our institute from 2007 to 2018. Post-stroke AMI was defined as its occurrence within 14 days after ischemic/hemorrhagic stroke. The use of reperfusion and anti-thrombotic therapies, and the occurrence of major adverse cardiovascular events (=CV death, non-fatal MI and non-fatal stroke) and major bleeding events (BARC type 3 or 5) were compared in post-stroke and non-post-stroke AMI patients.
Results
Post-stroke AMI was identified in 1.1% of entire subjects (=23/2041). Of these, 65% of them (=15/23) had AMI within 3 days from the onset of stoke event. Over 60% of them was due to cardioembolic stroke, followed by hemorrhagic (9%), atherothrombotic ones (8%) and other causes (22%). Post-stroke AMI patients were more likely to exhibit Af (p=0.02) and a history of hemodialysis (p=0.009), and have a lower BMI (p=0.04) and hemoglobin level (p=0.02). They were less likely to receive emergent coronary angiography, and primary PCI was conducted in only 65% of post-stroke AMI patients (Table). Furthermore, they more frequently received thrombectomy (p=0.04) alone rather than stent implantation (p=0.002) (Table). With regard to anti-thrombotic therapy, the proportion of DAPT use was significantly lower in post-stroke AMI subjects (52 vs. 89%, p=0.0001), and 17% of them did not receive any anti-thrombotic agents. Of note, only 48% (p=0.04) and 43% (p=0.0001) of post-stroke AMI patients were treated with other established medical therapies including β-blocker and statin, respectively. During the observational period (median = 2.9 years), post-stroke AMI was associated with a greater likelihood experiencing major adverse cardiovascular events (log-rank p<0.001, Figure), CV death (log-rank p<0.0001) and stroke events (log-rank p<0.0001). Furthermore, the frequency of their major bleeding events was substantially elevated (log-rank p<0.001, Figure).
Conclusions
In our real-world data, the adoption of guideline-recommended reperfusion and anti-thrombotic therapies were considerably low in AMI subjects following acute/subacute stroke events. Given their elevated risk of cardiovascular and bleeding events, it is required to establish better therapeutic management for mitigating their thrombotic/bleeding risks.
Funding Acknowledgement
Type of funding sources: None. Table 1Figure 1
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Affiliation(s)
- Y Kataoka
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - T Iwai
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - K Sawada
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - H Matama
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - S Honda
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - K Takagi
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - M Fujino
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - S Yoneda
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - F Otsuka
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - Y Tahara
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - Y Asaumi
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
| | - K Toyoda
- National Cerebral & Cardiovascular Center, Department of Cerebrovascular Medicine and Neurology, Suita, Japan
| | - T Noguchi
- National Cerebral & Cardiovascular Center, Department of Cardiovascular Medicine, Suita, Japan
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16
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Murai K, Kataoka Y, Iwai T, Sawada K, Matama H, Honda S, Fujino M, Yoneda S, Takagi K, Nishihira K, Kanaya T, Otsuka F, Asaumi Y, Tsujita K, Noguchi T. The relationship of the underlying lipidic plaque at the implanted newer-generation drug-eluting stents with future stent-related events: insights from the REASSURE-NIRS registry. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Lipid-rich plaque is an important substrate causing acute coronary events. Near-infrared spectroscopy (NIRS) imaging has been shown to visualize lipidic coronary plaque at non-culprit site associated with future coronary events. Given that histopathological studies reported that the unstable plaque underlying the implanted drug-eluting stent (DES) could cause neoatherosclerosis formation, we hypothesized that NIRS-based evaluation of lipidic plaque burden behind the implanted DES may clinically predict the occurrence of stent failure in patients with CAD receiving PCI.
Purpose
We aimed to investigate the relationship of stent-related events' risk with lipidic plaque materials behind the implanted DES imaged by NIRS/intravascular ultrasound (NIRS/IVUS) imaging.
Methods
The REASSURE-NIRS registry is an on-going multi-center registry to enroll CAD subjects receiving NIRS/IVUS-guided PCI. In this registry data, 406 lesions in 379 CAD subjects (ACS/non-ACS=150/229) receiving new-generation DES were analyzed. Minimum stent area (MSA) after PCI and maximum lipid-core-burden index in any 4mm-segment within the implanted stents (in-stent maxLCBI4mm) were measured. A 3-year lesion-oriented composite outcome [LOCO: culprit lesion-related MI + ischemia-driven target lesion revascularization (ID-TLR)] was compared in subjects stratified according to the tertile of in-stent maxLCBI4mm.
Results
The mean value of in-stent maxLCBI4mm was 221, and 17% of lesions exhibited in-stent maxLCBI4mm >400. Patients with a greater in-stent maxLCBI4mm were more likely to exhibit a higher LDL-C level (p=0.026) with a longer stent length (p<0.001) and a smaller MSA (p=0.033) (Picture 1). Over 95% of entire study subjects received a statin. During the observational period (median=726 days), the frequency of LOCO up to 3 years was 3.4% in entire study subjects (culprit lesion-related MI=1.0%, ID-TLR=2.8%). Kaplan-Meier curve analysis demonstrated that the occurrence of LOCO did not increase in association with in-stent maxLCBI4mm (log-rank p-value=0.25, Picture 2). In addition, in-stent maxLCBI4mm did not associate with each component of LOCO (culprit lesion-related MI: p=0.502, ID-TLR: p=0.872). Receiver Operating Characteristic analysis revealed that the predictive ability of in-stent maxLCBI4mm for the occurrence of LOCO was unsatisfactorily (c-statistics=0.486).
Conclusion
The amount of underlying lipidic materials at culprit lesions receiving new-generation DES implantation did not necessarily predict future stent-related events. Clinical significance of maxLCBI4mm behind the implanted DES may be different from that at naïve non-culprit plaques.
Funding Acknowledgement
Type of funding sources: None. Background and lesion characteristicsKaplan-Meier analysis for LOCO
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Affiliation(s)
- K Murai
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - Y Kataoka
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - T Iwai
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - K Sawada
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - H Matama
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - S Honda
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - M Fujino
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - S Yoneda
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - K Takagi
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - K Nishihira
- Miyazaki Medical Association Hospital, Department of Cardiology, Miyazaki, Japan
| | - T Kanaya
- Dokkyo Medical University, Department of Cardiovascular Medicine, Mibu, Japan
| | - F Otsuka
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - Y Asaumi
- National Cerebral & Cardiovascular Center, Suita, Japan
| | - K Tsujita
- Kumamoto University, Department of Cardiovascular Medicine, Kumamoto, Japan
| | - T Noguchi
- National Cerebral & Cardiovascular Center, Suita, Japan
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17
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Kitahara S, Kataoka Y, Iwai T, Sawada K, Matama H, Honda S, Fujino M, Yoneda S, Takagi K, Nishihira K, Kanaya T, Otsuka F, Asaumi Y, Tsujita K, Noguchi T. Characterization of residual lipid-rich plaques despite achieving LDL-C <1.8mmol/l with a statin in patients with coronary artery disease: insights from the REASSURE-NIRS registry. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Recent studies have demonstrated favourable modification of lipidic plaque materials under achieving LDL-C <1.8mmol/l with a statin, which potentially accounts for its clinical benefit. However, coronary events still occur even under optimal LDL-C management. This may suggest the presence of residual lipid-rich coronary plaque despite on-treatment LDL-C <1.8mmol/l. Given that near-infrared spectroscopy (NIRS) enables quantitative evaluation of lipidic plaque in vivo, we employed this imaging modality to investigate characteristics and drivers of residual lipid-rich plaques in statin-treated patients with coronary artery disease (CAD) who achieved LDL-C <1.8mmol/l.
Purpose
To clarify the frequency, clinical demographics and factors associated with residual lipid-rich plaques under LDL-C <1.8mmol/l.
Methods
The REASSURE-NIRS registry is an on-going multi-center registry to enroll CAD subjects receiving NIRS/intravascular ultrasound-guided PCI. The current analysis included 133 statin-treated stable CAD patients with on-treatment LDL-C <1.8mmol/l from August 2015 to December 2020. The maximum 4-mm lipid core burden index (maxLCBI4mm) at culprit lesions was measured by NIRS imaging prior to PCI. Clinical characteristics were compared in patients with and without maxLCBI4mm ≥400 at culprit lesions.
Results
In the current study, 45% (=58/128) of study subjects exhibited maxLCBI4mm ≥400 at culprit lesions under on-treatment LDL-C <1.8 mmol/l. They were more likely to be female, whereas there were no differences in age and the frequency of risk factors. Most of study subjects received moderate to high-intensity statin (p=0.79), and over one-fourth of them were treated with ezetimibe (p=0.56). Under these lipid-lowering therapies, LDL-C level was significantly higher in patients with maxLCBI4mm ≥400 (Table). Additionally, a lower frequency of LDL-C <1.4mmol/l was observed in those exhibiting maxLCBI4mm ≥400 (31.0 vs. 45.7%), but this comparison failed to meet statistical significance (p=0.09). Despite LDL-C control with a statin, deterioration of coronary flow after PCI with stent implantation more frequently occurred in patients with maxLCBI4mm ≥400 (Table). Multivariate analysis demonstrated that an independent factor associated with maxLCBI4mm ≥400 was LDL-C level (OR=1.05; 95% CI=1.00–1.10, p=0.03), but not other lipid and clinical parameters.
Conclusion
Almost half of CAD subjects who achieved LDL-C level <1.8mmol/l still exhibited the accumulation of lipidic plaque materials within vessel wall. Given that LDL-C level was associated with this residual lipid-rich plaque features, our findings support current ESC-guideline recommended LDL-C goal (<1.4mmol/l) to optimize the secondary prevention in stable CAD patients.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- S Kitahara
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - Y Kataoka
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - T Iwai
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - K Sawada
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - H Matama
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - S Honda
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - M Fujino
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - S Yoneda
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - K Takagi
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - K Nishihira
- Miyazaki Medical Association Hospital, Department of Cardiology, Miyazaki, Japan
| | - T Kanaya
- Dokkyo Medical University, Department of Cardiovascular Medicine, Mibu, Japan
| | - F Otsuka
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - Y Asaumi
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
| | - K Tsujita
- Kumamoto University, Department of Cardiovascular Medicine Graduate School of Medical Sciences, Kumamoto, Japan
| | - T Noguchi
- National Cerebral and Cardiovascular Center, Department of Cardiovascular Medicine, Osaka, Japan
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18
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Saori M, Nakamura Y, Sawada K, Horasawa S, Kadowaki S, Kato K, Ueno M, Oki E, Satoh T, Komatsu Y, Tukachinsky H, Lee J, Madison R, Sokol E, Pavlick D, Aiyer A, Fabrizio D, Venstrom J, Oxnard G, Yoshino T. 80P Blood tumor mutational burden (bTMB) and efficacy of immune checkpoint inhibitors (ICIs) in advanced solid tumors: SCRUM-Japan MONSTAR-SCREEN. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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19
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Sawada K, Yamashita R, Horasawa S, Fujisawa T, Yoshikawa A, Nakamura Y, Taniguchi H, Kadowaki S, Hosokawa M, Kodama T, Kato K, Satoh T, Komatsu Y, Shiota M, Yasui H, Yamazaki K, Yoshino T. 60MO Gut microbiota and efficacy of immune-checkpoint inhibitors (ICIs) in patients (pts) with advanced solid tumor: SCRUM-Japan MONSTAR-SCREEN. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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20
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Nakamura M, Ishiguro A, Dazai M, Kawamoto Y, Yuki S, Sogabe S, Hosokawa A, Sawada K, Muto O, Umemoto K, Izawa N, Nakashima K, Yagisawa M, Kajiura S, Mitsuhashi Y, Ando T, Sunakawa Y, Kikuchi Y, Yamanaka T, Komatsu Y. 499P The safety and efficacy of edoxaban for the cancer-associated asymptomatic venous thromboembolism in Japanese gastrointestinal cancer patients receiving chemotherapy (ExCAVE study). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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21
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Kaneko S, Ito K, Yuki S, Harada K, Yagisawa M, Sawada K, Ishiguro A, Muto O, Hatanaka K, Okuda H, Sato A, Sasaki Y, Nakamura M, Sasaki T, Tsuji Y, Ando T, Kato K, Wakabayashi T, Kotaka M, Takahashi Y, Sakata Y, Komatsu Y. P-81 HGCSG1901: A retrospective cohort study evaluating the safety and efficacy of S-1 and irinotecan plus bevacizumab in patients with metastatic colorectal cancer: Analysis of second-line treatment. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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22
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Ito K, Yuki S, Nakano S, Yagisawa M, Sawada K, Ishiguro A, Muto O, Hatanaka K, Okuda H, Sato A, Sasaki Y, Nakamura M, Sasaki T, Kobayashi T, Dazai M, Nakatsumi H, Ueda A, Tateyama M, Sogabe S, Matsumoto R, Sakata Y, Komatsu Y. P-35 HGCSG1901: A retrospective cohort study evaluating the safety and efficacy of S-1 and irinotecan plus bevacizumab in patients with metastatic colorectal cancer: Analysis of first-line treatment. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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23
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Sawada K, Kamiya S, Aoki I. Neonatal valproic acid exposure produces altered gyrification related to increased parvalbumin-immunopositive neuron density with thickened sulcal floors. PLoS One 2021; 16:e0250262. [PMID: 33878144 PMCID: PMC8057614 DOI: 10.1371/journal.pone.0250262] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/01/2021] [Indexed: 12/30/2022] Open
Abstract
Valproic acid (VPA) treatment is associated with autism spectrum disorder in humans, and ferrets can be used as a model to test this; so far, it is not known whether ferrets react to developmental VPA exposure with gyrencephalic abnormalities. The current study characterized gyrification abnormalities in ferrets following VPA exposure during neonatal periods, corresponding to the late stage of cortical neurogenesis as well as the early stage of sulcogyrogenesis. Ferret pups received intraperitoneal VPA injections (200 μg/g of body weight) on postnatal days (PD) 6 and 7. BrdU was administered simultaneously at the last VPA injection. Ex vivo MRI-based morphometry demonstrated significantly lower gyrification index (GI) throughout the cortex in VPA-treated ferrets (1.265 ± 0.027) than in control ferrets (1.327 ± 0.018) on PD 20, when primary sulcogyrogenesis is complete. VPA-treated ferrets showed significantly smaller sulcal-GIs in the rostral suprasylvian sulcus and splenial sulcus but a larger lateral sulcus surface area than control ferrets. The floor cortex of the inner stratum of both the rostral suprasylvian and splenial sulci and the outer stratum of the lateral sulcus showed a relatively prominent expansion. Parvalbumin-positive neuron density was significantly greater in the expanded cortical strata of sulcal floors in VPA-treated ferrets, regardless of the BrdU-labeled status. Thus, VPA exposure during the late stage of cortical neurogenesis may alter gyrification, primarily in the frontal and parietotemporal cortical divisions. Altered gyrification may thicken the outer or inner stratum of the cerebral cortex by increasing parvalbumin-positive neuron density.
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Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Ibaraki, Japan
- * E-mail: (KS); (IA)
| | - Shiori Kamiya
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Ibaraki, Japan
| | - Ichio Aoki
- Department of Molecular Imaging and Theranostics, NIRS, National Institutes for Quantum and Radiological Science and Technology (QST), Chib, Japan
- * E-mail: (KS); (IA)
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24
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Yukami H, Saori M, Kotani D, Oki E, Taniguchi H, Nakamura Y, Kato T, Takemasa I, Yamanaka T, Shirasu H, Sawada K, Ebi H, Aleshin A, Billings P, Mori M, Yoshino T. 113TiP Prospective observational study monitoring circulating tumour DNA in resectable colorectal cancer patients undergoing radical surgery: GALAXY study in CIRCULATE-Japan. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Omatsu K, Hamanishi J, Katsumata N, Nishio S, Sawada K, Takeuchi S, Aoki D, Fujiwara K, Sugiyama T, Konishi I. 807O Nivolumab versus gemcitabine or pegylated liposomal doxorubicin for patients with platinum-resistant (advanced or recurrent) ovarian cancer: Open-label, randomized trial in Japan (NINJA trial). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.946] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Kamiya S, Sawada K. Immunohistochemical characterization of postnatal changes in cerebellar cortical cytoarchitectures in ferrets. Anat Rec (Hoboken) 2020; 304:413-424. [PMID: 32396712 DOI: 10.1002/ar.24420] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/25/2020] [Accepted: 03/04/2020] [Indexed: 12/19/2022]
Abstract
We immunohistochemically characterized postnatal changes in cerebellar cortical cytoarchitectures in ferrets using markers for cerebellar cortical neurons and glial cells. Although 10 lobules of the vermis were already observed on postnatal day (PD) 4, Purkinje cells were still arrayed into two to three layers. Purkinje cells were aligned in a monolayer by PD 10 and formed mature shapes on PD 42 by developing their dendritic arbors. Parvalbumin immunostaining revealed relatively slower maturation of Purkinje cells in the Lobule X cortex than in other lobules. Basket and stellate cells emerged in the molecular layer on PDs 21 and 42, respectively. Rosette-like arranged glutamate decarboxylase 65 and 67-positive puncta were observed in the inner granular layer (IGL) on PD 21. Proliferating cell nuclear antigen immunostaining appeared in the outer zone of the external granular layer (EGL) containing progenitors of granular neurons on PDs 4-21. Bergmann glial processes extending vertically through the molecular layer and EGL were visible with GFAP immunostaining on PD 10 and thereafter. Their somata, aligned in the Purkinje cell layer, showed immunopositivity to Sox2 already on PD 4 and subsequently to S100 protein on PD 10. Sox2-positive cells were found sparsely in the IGL. Few of them were NeuN positive on PD 90, predicting the possibility of adult neurogenesis. These immunohistochemical results revealed that ferrets underwent cerebellar cortical histogenesis during their postnatal life in sequences. Relatively slow development or maturation of the ferret cerebellum was revealed by the timing of the monolayer alignment and morphological maturation of Purkinje cells.
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Affiliation(s)
- Shiori Kamiya
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Ibaraki, Japan
| | - Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Ibaraki, Japan
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Hishikawa N, Toyama S, Ohashi S, Sawada K, Ikoma K, Tokunaga D, Mikami Y. THU0568 EFFECTIVENESS OF FOOT ORTHOSIS TO PROMOTE PHYSICAL ACTIVITY FOR PATIENTS WITH CONCURRENT RHEUMATOID ARTHRITIS AND SARCOPENIA. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Sarcopenia is a progressive systemic skeletal muscle disorder associated with an increased likelihood of adverse outcomes including physical disability, falls, and mortality. The muscle mass of patients with rheumatoid arthritis (RA) is lower than that of age-matched healthy individuals, and a high prevalence rate of sarcopenia has been reported1). In particular, foot deformities may increase the prevalence rate of sarcopenia because of inactivity due to foot pain on walking. Treatment with a foot orthosis (FO) can reportedly reduce pain2); however, whether a FO can resolve inactivity and sarcopenia is unclear.Objectives:To elucidate the effectiveness of a FO on physical activity and sarcopenia in patients with RA.Methods:Thirty patients with RA with foot deformities were enrolled from April 2017 to December 2019. Sarcopenia was diagnosed using the algorithm of the European Working Group on Sarcopenia in Older People, and the cut-off values of the Asian Working Group for Sarcopenia were applied. We also collected the clinical variables of patients with concurrent RA and sarcopenia who continued to use a FO for 6 months. The primary outcome was physical activity determined by the International Physical Activity Questionnaire. The secondary outcomes were foot pain measured with a visual analog scale; activities of daily living (ADL) measured with the Health Assessment Questionnaire; and body mass index, body fat percentage, and the skeletal muscle mass index measured with a body composition device. The clinical variables were compared between baseline and 6 months after continuous treatment with a FO.Results:The prevalence rate of sarcopenia was 76.6% (23/30), and nine patients with RA continued to use the FO for 6 months. Table 1 shows outcomes at baseline and after 6 months of treatment with a FO. The only clinical variable that showed a significant difference was foot pain. Physical activities, ADL, and body compositions were maintained after 6 months.Table 1.Outcomes of 6-month treatment with FOBaseline6 monthsp valuePhysical activityIPAQWalking, MET-min/weekModerate, MET-min/weekVigorous, MET-min/week132 (66, 594)0 (0, 0)0 (0, 0)594 (396, 2376)0 (0, 0)0 (0, 0)0.071.000.32Foot painVAS score4.6 (3.1, 7.4)2.8 (1.1, 4.7)0.02ADLHAQ1.5 (1.1, 2.3)1.1 (0.9, 1.5)0.07Body compositionBMI, kg/m2BFP, %SMI, kg/m221.4 (20.7, 22.7)31.1 (24.2, 37.6)5.2 (4.8, 5.3)20.7 (19.3, 22.1)32.9 (26.3, 36.5)5.2 (5.0, 5.2)0.890.820.61IPAQ: International Physical Activity Questionnaire, VAS: visual analog scale, ADL: activities of daily living, HAQ: Health Assessment Questionnaire, BMI: body mass index, BFP: body fat percentage, SMI: skeletal muscle mass indexData are presented as median (lower quartile, upper quartile)Conclusion:The prevalence rate of sarcopenia in patients with RA with foot deformities was much higher than previous reported1). However, 6 months of treatment with a FO not only reduced foot pain but also maintained physical activity and muscle mass. Physical therapy has recently been recommended for patients with inflammatory arthritis. physical activity and muscle mass of patients with RA and concurrent foot deformities may be increased by combining physical therapy with orthotic treatment.References:[1]Tada M, et al. Matrix metalloprotease 3 is associated with sarcopenia in rheumatoid arthritis - results from the CHIKARA study. Int J Rheum Dis. 2018; 21 (11): 1962-9.[2]Hennessy K, et al. Custom foot orthoses for rheumatoid arthritis: A systematic review. Arthritis Care Res (Hoboken). 2012; 64 (3): 311-20.Acknowledgments:This work was supported by JSPS KAKENHI Grant Numbers JP19K11420.Disclosure of Interests:None declaredDOI: 10.1136/annrheumdis-2020-eular.3143
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Sasaki T, Nakano S, Yuki S, Sawada K, Muranaka T, Kawamoto Y, Nakatsumi H, Ando T, Yoshita H, Harada K, Kobayashi Y, Miyagishima T, Hatanaka K, Tanimoto A, Ishiguro A, Honda T, Dazai M, Komatsu Y. The comparison between UGT1A1 single heterozygous and wild type regarding the clinical outcomes of fixed dose irinotecan monotherapy for advanced gastric cancer: Multicenter retrospective study. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz422.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Sasaki Y, Muranaka T, Kawamoto Y, Sawada K, Nakatsumi H, Harada K, Miyagishima T, Hatanaka K, Dazai M, Ueda A, Sasaki T, Shinada K, Tsuji Y, Yuki S, Sakamoto N, Nishimoto N, Sakata Y, Komatsu Y. Multi-centered phase II trial of weekly 5-FU plus l-LV regimen as salvage line chemotherapy for oral fluorouracil resistant advanced gastric cancer (HGCSG1502). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz422.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Honda T, Nakano S, Yuki S, Sawada K, Muranaka T, Kawamoto Y, Nakatsumi H, Yoshita H, Ando T, Harada K, Kobayashi Y, Miyagishima T, Hatanaka K, Tanimoto A, Ishiguro A, Dazai M, Sasaki T, Komatsu Y. A retrospective multicenter study evaluating the efficacy and safety of irinotecan in patients with advanced gastric cancer: Analysis of Glasgow Prognostic Score (GPS). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz422.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kawakami T, Masuishi T, Kawamoto Y, Go H, Shirasu H, Kato K, Kumanishi R, Sawada K, Yamamoto K, Yuki S, Komatsu Y, Yasui H, Muro K, Yamanaka T, Yamazaki K. The impact of late-line treatment on overall survival (OS) from the initiation of first-line chemotherapy (CT) for patients (pts) with metastatic colorectal cancer (mCRC). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz246.064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Miyazaki T, Zhao Z, Ichihara Y, Yoshino D, Imamura T, Sawada K, Hayano S, Kamioka H, Mori S, Hirata H, Araki K, Kawauchi K, Shigemoto K, Tanaka S, Bonewald LF, Honda H, Shinohara M, Nagao M, Ogata T, Harada I, Sawada Y. Mechanical regulation of bone homeostasis through p130Cas-mediated alleviation of NF-κB activity. Sci Adv 2019; 5:eaau7802. [PMID: 31579816 PMCID: PMC6760935 DOI: 10.1126/sciadv.aau7802] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 09/03/2019] [Indexed: 05/07/2023]
Abstract
Mechanical loading plays an important role in bone homeostasis. However, molecular mechanisms behind the mechanical regulation of bone homeostasis are poorly understood. We previously reported p130Cas (Cas) as a key molecule in cellular mechanosensing at focal adhesions. Here, we demonstrate that Cas is distributed in the nucleus and supports mechanical loading-mediated bone homeostasis by alleviating NF-κB activity, which would otherwise prompt inflammatory processes. Mechanical unloading modulates Cas distribution and NF-κB activity in osteocytes, the mechanosensory cells in bones. Cas deficiency in osteocytes increases osteoclastic bone resorption associated with NF-κB-mediated RANKL expression, leading to osteopenia. Upon shear stress application on cultured osteocytes, Cas translocates into the nucleus and down-regulates NF-κB activity. Collectively, fluid shear stress-dependent Cas-mediated alleviation of NF-κB activity supports bone homeostasis. Given the ubiquitous expression of Cas and NF-κB together with systemic distribution of interstitial fluid, the Cas-NF-κB interplay may also underpin regulatory mechanisms in other tissues and organs.
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Affiliation(s)
- T. Miyazaki
- Department of Geriatric Medicine, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
- Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
- Corresponding author. (T.M.); (Y.S.)
| | - Z. Zhao
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore
| | - Y. Ichihara
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Division of Pharmacology, Faculty of Medicine, Tottori University, Yonago, Tottori 683-8503, Japan
| | - D. Yoshino
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Creative Interdisciplinary Research Division, Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Miyagi 980-8578, Japan
| | - T. Imamura
- Division of Pharmacology, Faculty of Medicine, Tottori University, Yonago, Tottori 683-8503, Japan
| | - K. Sawada
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Laboratory for Mechanical Medicine, Nadogaya Research Institute, Nadogaya Hospital, Kashiwa, Chiba 277-0032, Japan
| | - S. Hayano
- Department of Orthodontics, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Okayama 700-8525, Japan
| | - H. Kamioka
- Department of Orthodontics, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Okayama 700-8525, Japan
| | - S. Mori
- Department of Geriatric Medicine, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - H. Hirata
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - K. Araki
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - K. Kawauchi
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - K. Shigemoto
- Department of Geriatric Medicine, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - S. Tanaka
- Department of Orthopaedic Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - L. F. Bonewald
- Indiana Center for Musculoskeletal Health, School of Medicine, Indiana University, Indianapolis, IN 46202, USA
| | - H. Honda
- Field of Human Disease Models, Institute of Laboratory Animals, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
| | - M. Shinohara
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
| | - M. Nagao
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - T. Ogata
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - I. Harada
- Laboratory for Mechanical Medicine, Nadogaya Research Institute, Nadogaya Hospital, Kashiwa, Chiba 277-0032, Japan
| | - Y. Sawada
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Laboratory for Mechanical Medicine, Nadogaya Research Institute, Nadogaya Hospital, Kashiwa, Chiba 277-0032, Japan
- Department of Clinical Research, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Corresponding author. (T.M.); (Y.S.)
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Kamiya S, Sawada K. Immunohistochemical study of cerebellar corticohistogenesis in ferrets. IBRO Rep 2019. [DOI: 10.1016/j.ibror.2019.07.285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Sawada K. Follow-up study of subventricular zone progenitors with multiple rounds of cell division during sulcogyrogenesis in the ferret cerebral cortex. IBRO Rep 2019; 7:42-51. [PMID: 31453408 PMCID: PMC6702350 DOI: 10.1016/j.ibror.2019.07.1720] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 07/27/2019] [Indexed: 01/23/2023] Open
Abstract
The subventricular zone (SVZ) of the developing cerebral cortex appears transiently during cortical neurogenesis and is known as the second proliferative zone that contains intermediate progenitor cells and self-renewable neuronal stem cells-the so-called basal radial glia (bRG). The present study attempted to track the differentiation and migration dynamics of SVZ progenitors undergoing multiple cell divisions at the late stage of neurogenesis in a course of sulcogyrogenesis in the ferret, a gyrencephalic mammal. Ferret pups were given a 5-ethynyl-2'-deoxyuridine (EdU) injection on postnatal day (PD) 5 followed by a 5-bromo-2'-deoxyuridine (BrdU) injection on PD 7. The 48 h interval between EdU and BrdU injections covered the minimum times for the first and second S-phase of self-renewing bRG. Two h after BrdU injection, EdU/BrdU-double labeled cells were found in the inner or outer SVZ (iSVZ and oSVZ), more than 80% of which were Sox2-positive. Furthermore, 95.8% of EdU/BrdU-double labeled Sox2-positive progenitors in the iSVZ and 84.2% in the oSVZ were also Pax6-positive, defining these progenitors as bRG. On PD 20, all EdU/BrdU-double labeled cells were NeuN-immunopositive, and more than 60% of these were parvalbumin-immunopositive. EdU/BrdU-double labeled neurons were distributed densely in the superficial portion of the outer cortical stratum. Cluster analysis divided the gyral and sulcal regions into higher and lower density groups, respectively, based on the diversity of the cortical density of EdU/BrdU-double labeled neurons. The higher density group included the gyral and sulcal regions of the prefrontal, parietooccipital and/or cingulate cortex, corresponding to cortical regions associated with evolutionary expansion. Although a limited population of neurons within a narrow time window of cortical neurogenesis was tracked, the present findings suggest that neurons derived from bRG at the late stage of neurogenesis express parvalbumin during corticohistogenesis. Due to the diversity of sulcogyral distributions, neurons derived from bRG may be implicated in evolutionary cortical expansion.
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Affiliation(s)
- Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Ibaraki 300-0051, Japan
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Terakado A, Sakamoto M, Ezumi N, Nojiri K, Mikami T, Kinoshita Y, Togo S, Iijima T, Sawada K, Kado S, Nakashima Y. Reaction processes of molecular activated recombination leading to detachment of divertor simulation plasma in GAMMA 10/PDX. Nuclear Materials and Energy 2019. [DOI: 10.1016/j.nme.2019.100679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Harada K, Nakano S, Yuki S, Sawada K, Muranaka T, Kawamoto Y, Nakatsumi H, Yoshita H, Ando T, Kobayashi Y, Miyagishima T, Hatanaka K, Tanimoto A, Ishiguro A, Honda T, Dazai M, Sasaki T, Komatsu Y. A retrospective multicenter study evaluating the efficacy and safety of irinotecan in patients with advanced gastric cancer: analysis of Glasgow prognostic score (GPS). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ueda A, Muranaka T, Kawamoto Y, Sawada K, Nakatsumi H, Harada K, Kobayashi Y, Miyagishima T, Hatanaka K, Dazai M, Kawahata S, Sasaki T, Sasaki Y, Kato S, Shinada K, Tsuji Y, Yuki S, Sakamoto N, Nishimoto N, Sakata Y, Komatsu Y. Multicenter phase 2 trial of weekly 5-FU plus l-LV regimen as salvage line chemotherapy for oral fluorouracil-resistant advanced gastric cancer (HGCSG1502). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ando T, Nakano S, Yuki S, Sawada K, Muranaka T, Kawamoto Y, Nakatsumi H, Yoshita H, Harada K, Kobayashi Y, Miyagishima T, Hatanaka K, Tanimoto A, Ishiguro A, Honda T, Sasaki T, Dazai M, Komatsu Y. The comparison between UGT1A1 single heterozygous and wild-type regarding the clinical outcomes of fixed-dose irinotecan monotherapy for advanced gastric cancer: a multicenter retrospective study. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Fuse M, Sawada K. Morphological development of baculum and forelimb second-to-fourth digit ratio in mice. Congenit Anom (Kyoto) 2019; 59:24-25. [PMID: 29665137 DOI: 10.1111/cga.12283] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 03/26/2018] [Accepted: 04/06/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Minami Fuse
- Department of Nutrition, Tsukuba International University, Tsuchiura, Japan
| | - Kazuhiko Sawada
- Department of Nutrition, Tsukuba International University, Tsuchiura, Japan
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Saito S, Sawada K, Aoki I. Prenatal Irradiation-Induced Hippocampal Abnormalities in Rats Evaluated Using Manganese-Enhanced MRI. Front Neural Circuits 2018; 12:112. [PMID: 30618648 PMCID: PMC6304475 DOI: 10.3389/fncir.2018.00112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 12/03/2018] [Indexed: 12/02/2022] Open
Abstract
The aim of this study was to characterize hippocampal abnormalities in rats after prenatal x-ray irradiation using manganese-enhanced MRI (MEMRI). All radiation-exposed rat brains showed a reduced volume with prominent dilatation of lateral ventricles. Moreover, MEMRI-enhanced areas within the hippocampus were reduced in volumes by approximately 25% of controls, although the entire volume of hippocampus was decreased by approximately 50% of controls. MEMRI signals were enhanced strongly in the hilus and granular layer of the dentate gyrus (DG) and the pyramidal layer and infrapyramidal region of the CA3 region, and moderately along the CA1/2 pyramidal cell layer in the control rats. In radiation-exposed rats, MEMRI signals in the CA1/2 regions disappeared due to disrupting their laminar organization, although strong MEMRI signals were sustained in the DG and CA3 regions. Histopathological examinations in radiation-exposed rats revealed disorganizations of the DG granule cell layer and the CA3 pyramidal cell layer with reducing the cell density. The CA1/2 pyramidal cell layer was disrupted by invading ectopic cell mass. Neural cell adhesion molecule (NCAM)-positive fiber bundles were sustained in radiation-exposed rats, although they distributed aberrantly in the suprapyramidal CA3 region with a slight reduction of NCAM staining. Furthermore, glial components consisted largely by astrocytes and minor by microglia were densely distributed in the DG rather than in other hippocampal regions, and their density radiation-exposed rats. In conclusion, MEMRI signal enhancements could delineate different neuronal and/or glial components among hippocampal regions. We characterized microstructures of the deformed hippocampus as well as its macrostructures in a prenatally radiation-exposed rat model using in vivo MEMRI. The present findings provide advantageous information for detecting nondestructively hippocampal deformations in neurodevelopmental disorders.
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Affiliation(s)
- Shigeyoshi Saito
- Division of Health Sciences, Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Tsuchiura, Japan
| | - Ichio Aoki
- Group of Quantum-State Controlled MRI, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan.,National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
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Sato C, Sawada K, Wright D, Higashi T, Aoki I. Isotropic 25-Micron 3D Neuroimaging Using ex vivo Microstructural Manganese-Enhanced MRI (MEMRI). Front Neural Circuits 2018; 12:110. [PMID: 30574072 PMCID: PMC6291442 DOI: 10.3389/fncir.2018.00110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 11/23/2018] [Indexed: 12/27/2022] Open
Abstract
MRI observations following in vivo administration of Mn2+ [manganese (Mn)-enhanced MRI, MEMRI] have been used as an excellent morphological and functional MRI tool for in vivo preclinical studies. To detect brain three-dimensional (3D) microstructures, we improved the ex vivo MEMRI method for mouse brains after in vivo Mn administration and obtained high-resolution MRIs using a cryogenic radiofrequency (RF) coil. Male C57BL/6 mice (n = 8) were injected with 50 mM MnCl2 intravenously and MEMRIs of the brain were acquired in vivo after 24 h, followed by perfusion fixation with a 4% paraformaldehyde (PFA) solution. High-resolution 25-μm isotropic MRIs were successfully acquired from the extracted brain tissue and could identify the brain microstructures, especially in the hippocampus [the pyramidal cell layer through CA1–3 and the dentate gyrus (DG) granular layers (GLs)], cell layers of cerebellum, three sub-regions of the deep cerebellar nucleus, and white matter (WM) structures [e.g., the fasciculus retroflexus (fr) and optic tract in the thalamus]. The following technical conditions were also examined: (i) the longitudinal stability of Mn-enhanced ex vivo tissue after in vivo administration; and (ii) the effects of mixing glutaraldehyde (GA) with the fixative solution for the preservation of in vivo MEMRI contrast. Our results indicate that ex vivo MEMRI observations made shortly after fixation maintain the contrast observed in vivo. This research will be useful for non-destructive whole-brain pathological analysis.
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Affiliation(s)
- Chika Sato
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan.,Group of Quantum-State Controlled MRI, QST, Chiba, Japan
| | - Kazuhiko Sawada
- Department of Nutrition, Faculty of Medical and Health Sciences, Tsukuba International University, Ibaraki, Japan
| | - David Wright
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, Parkville, VIC, Australia
| | - Tatsuya Higashi
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan.,Group of Quantum-State Controlled MRI, QST, Chiba, Japan
| | - Ichio Aoki
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan.,Group of Quantum-State Controlled MRI, QST, Chiba, Japan
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42
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Dazai M, Yuki S, Sawada K, Muranaka T, Kawamoto Y, Nakatsumi H, Nakano S, Ishiguro A, Tateyama M, Sato A, Kobayashi Y, Nakamura M, Okuda H, Takahashi Y, Eto K, Muto S, Hatanaka K, Amano T, Sakata Y, Komatsu Y. HGCSG1301: A multicenter, double-blind, randomized control phase II trial comparing Hange-shashin-to versus placebo to prevent diarrhea in patients with metastatic colorectal cancer under IRIS/Bev second-line treatment. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy431.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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43
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Ishiguro A, Yuki S, Nakano S, Kawamoto Y, Sawada K, Tsuji Y, Honda T, Miyagishima T, Yoshida S, Hatanaka K, Sasaki T, Muto O, Ohnuma H, Kato S, Sato A, Abe M, Kato K, Amano T, Sakata Y, Komatsu Y. HGCSG1401: A retrospective cohort study evaluating the safety and efficacy of regorafenib in patients with metastatic colorectal cancer: Analysis of risk factors for liver dysfunction. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy431.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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44
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Yoshikawa A, Kawamoto Y, Yuki S, Nakano S, Sawada K, Muranaka T, Nakatsumi H, Harada K, Kobayashi Y, Miyagishima T, Saiki T, Ishiguro A, Saito R, Ehira N, Iwanaga I, Hatanaka K, Abe N, Sakamoto N, Sakata Y, Komatsu Y. HGCSG1403: Phase I trial of oxaliplatin/irinotecan/S-1 (OX-IRIS) as first-line chemotherapy for unresectable pancreatic cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy432.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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45
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Nakamura M, Yagisawa M, Saiki T, Ishiguro A, Sawada K, Yuki S, Sasaki T, Ando T, Ohori H, Kotaka M, Muto O, Shindo Y, Nakashima K, Hosokawa A, Doi A, Izawa N, Sunakawa Y, Satoh A, Ono K, Komatsu Y. A feasibility study of edoxaban for the cancer-associated asymptomatic venous thromboembolism in Japanese gastrointestinal cancer patients receiving chemotherapy (ExCAVE study). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy444.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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46
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Sawada K, Komatsu Y, Muranaka T, Nakano S, Kawamoto Y, Nakatsumi H, Yuki S, Dazai M, Saiki T, Ishiguro A, Tateyama M, Ono K, Ohnishi S, Sakamoto N. The prospective multicenter study of relation between 5-HIAA/substance P plasma concentration transition and nausea/vomiting in patients with gastrointestinal cancer receiving moderately emetogenic chemotherapy (MEC). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy444.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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47
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Tsuji Y, Yuki S, Sawada K, Muranaka T, Kobayashi Y, Okuda H, Ogawa K, Minami S, Honda T, Dazai M, Kato T, Sasaki T, Shindo Y, Ota S, Sato A, Ueda A, Saitoh S, Nagai H, Sakata Y, Komatsu Y. HGCSG1503: A retrospective cohort study evaluating the safety and efficacy of TAS-102 in patients with metastatic colorectal cancer: Analysis of cases of prior regorafenib. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy431.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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48
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Hishikawa N, Toyama S, Ikoma K, Taniguchi D, Kido M, Ohashi S, Kubo S, Maeda H, Sawada K, Mikami Y, Toshikazu K. ISPR8-0437/The abnormalities of the hip and knee joints in patients with posterior tibialis tendon dysfunction: Comparison with healthy age-matched controls. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.1053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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49
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Sawada K, Horii M, Imoto D, Mikami Y, Kubo T. Are the nonparalytic muscles of polio survivors free from the risk of post-polio syndrome? Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Saigusa K, Kuroha M, Tamada N, Sawada K, Kino T, Mizuno A. Early rehabilitation by electrical muscle stimulation in intensive care unit for patients with intracranial hypertension. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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