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Ito H, Someya R, Ando S, Araki R, Tsugami E, Matsumoto S, Inoue H, Antoku S, Yamasaki T, Mori T, Togane M. The change in Fibrosis-4 index in Japanese patients with type 2 diabetes treated by a fixed-ratio combination therapy of insulin degludec and liraglutide: A retrospective observational study. Hepatol Res 2023. [PMID: 38141029 DOI: 10.1111/hepr.14002] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 11/30/2023] [Accepted: 12/16/2023] [Indexed: 12/24/2023]
Abstract
AIM The efficacy of titratable fixed-ratio combination therapy by a combination preparation of insulin degludec and liraglutide (IDegLira) in Japanese patients with type 2 diabetes, focusing particularly on the change in Fibrosis-4 index (FIB-4), a noninvasive method for the evaluation of liver fibrosis, was investigated. METHODS As the full analysis set, 113 patients were treated with IDegLira. The patients were categorized into two groups according to the absence (GLP-1RA-naïve group, n = 72) or presence (GLP-1RA-treated group, n = 41) of glucagon-like peptide-1 receptor agonist (GLP-1RA) use before starting IDegLira. The clinical parameters were retrospectively determined over 6 months. RESULTS The glycated hemoglobin value was significantly reduced in both groups. The bodyweight significantly decreased from 67.4 ± 11.0 kg at baseline to 66.4 ± 11.6 kg at 6 months in the GLP-1RA-naïve group, although it slightly increased in the GLP-1RA-treated group. FIB-4 significantly decreased from 1.60 ± 0.84 at baseline to 1.49 ± 0.74 at 6 months in the GLP-1RA-naïve group. Although FIB-4 significantly increased in the GLP-1RA-treated group, it remained within the low-risk level for liver fibrosis. CONCLUSION Fixed-ratio combination therapy using IDegLira for the treatment of type 2 diabetes is useful for glycemic control and weight management. In particular, IDegLira may be more effective for lowering FIB-4 than adding unused oral antidiabetic agents or increasing the dose of insulin in GLP-1RA-naïve patients.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Ryota Someya
- Department of Pharmacy, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Shigenori Ando
- Department of Pharmacy, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Rie Araki
- Department of Pharmacy, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Emiko Tsugami
- Department of Pharmacy, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Hideyuki Inoue
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
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Ito H, Matsumoto S, Inoue H, Izutsu T, Kusano E, Antoku S, Yamasaki T, Mori T, Togane M. Anemia combined with albuminuria increases the risk of cardiovascular and renal events, regardless of a reduced glomerular filtration rate, in patients with type 2 diabetes: a prospective observational study. Diabetol Int 2023; 14:344-355. [PMID: 37781474 PMCID: PMC10533775 DOI: 10.1007/s13340-023-00637-x] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/08/2023] [Indexed: 10/03/2023]
Abstract
Aim The incidence of cardiovascular and renal events was investigated in patients with type 2 diabetes who were classified according to anemia and the components of dialysis-independent chronic kidney disease (CKD) in a prospective observational study. Methods A population of 778 Japanese patients with type 2 diabetes was prospectively analyzed for 4 years. The outcomes were the incidence of cardiovascular events and renal events. Results In all subjects, the incidence of cardiovascular and renal events was found to be 5% and 11%, respectively. Even after adjusting for a reduced estimated glomerular filtration rate (eGFR <60 mL/min/1.73 m2), the incidence of cardiovascular events was significantly higher (hazard ratio [HR]: 5.73) in patients with anemia and albuminuria than in those without anemia and albuminuria. The incidence of renal events was significantly higher in patients with no anemia and albuminuria (HR: 2.93) and further in those with anemia and albuminuria (HR: 7.56) than in those without anemia and albuminuria even after adjusting for a reduced eGFR. Conclusion Anemia combined with albuminuria is a risk factor for vascular events in patients with type 2 diabetes, regardless of the eGFR. Supplementary Information The online version contains supplementary material available at 10.1007/s13340-023-00637-x.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Hideyuki Inoue
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Takuma Izutsu
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Eiji Kusano
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052 Japan
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Ito H, Inoue H, Izutsu T, Matsumoto S, Antoku S, Yamasaki T, Mori T, Togane M. Changes in the estimated glomerular filtration rate and predictors of the renal prognosis in Japanese patients with type 2 diabetes: A retrospective study during the 12 months after the initiation of tofogliflozin. PLoS One 2023; 18:e0292014. [PMID: 37733761 PMCID: PMC10513294 DOI: 10.1371/journal.pone.0292014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 09/11/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND The changes in the estimated glomerular filtration rate (eGFR) and predictors of the renal prognosis were retrospectively assessed over the 12 months after the initiation of tofogliflozin, which has the shortest half-life among sodium-glucose cotransporter 2 (SGLT2) inhibitors, in Japanese patients with type 2 diabetes and renal impairment. METHODS In total, 158 patients treated with tofogliflozin between 2019 and 2021 were studied as the safety analysis set. One hundred and thirty subjects whose medication was continued over 12 months were investigated as the full analysis set. The subjects were divided into two groups based on the eGFR: normal- (eGFR ≥60 mL/min/1.73 m2, n = 87) and low- (eGFR <60 mL/min/1.73 m2, n = 43) eGFR groups. RESULTS The body weight, blood pressure, urinary protein excretion, and serum uric acid concentration decreased from baseline in both eGFR groups while the hemoglobin level increased. The eGFR did not significantly differ over time, except for the initial dip (-4.3±9.6 mL/min/1.73 m2 in the normal-eGFR group and -1.5±5.3 mL/min/1.73 m2 in the low-eGFR group). The change in the eGFR at 12 months after the initiation of tofogliflozin was -1.9±9.0 mL/min/1.73 m2 and 0.2±6.0 mL/min/1.73 m2 in the normal- and low-eGFR group, respectively. In the normal-eGFR group, the change in the eGFR showed a significant negative correlation with the HbA1c and eGFR at baseline, according to a multiple regression analysis. In the low-eGFR group, the change in the eGFR showed a significant negative correlation with urate-lowering agent use. The frequencies of adverse events specific for SGLT2 inhibitors were not significantly different between the normal- and low-eGFR groups. CONCLUSIONS Tofogliflozin may preserve renal function in the medium term in patients with type 2 diabetes and kidney impairment without an increase in specific adverse events.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Hideyuki Inoue
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Takuma Izutsu
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa-Ku, Tokyo, Japan
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Ito H, Araki R, Mori T, Inoue H, Matsumoto S, Antoku S, Yamasaki T, Togane M. Relationship Between the Effect of Roxadustat and Comorbid Diabetes in Non-dialyzed Chronic Kidney Disease Patients: A Retrospective Observational Study. Cureus 2023; 15:e39543. [PMID: 37378104 PMCID: PMC10290911 DOI: 10.7759/cureus.39543] [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] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Introduction The dose of roxadustat, a hypoxia-inducible factor prolyl hydroxylase (HIF-PH) inhibitor, required to treat anemia, the hemoglobin level and the rate of hemoglobin target achievement were retrospectively investigated in non-dialyzed chronic kidney disease (CKD) patients with and without type 2 diabetes. Methods As the full analysis set, 25 subjects (10 with diabetes and 15 without diabetes) were observed over six months among 44 non-dialyzed CKD patients who received roxadustat. The target hemoglobin level was set at 110-130 g/L. Results The comorbidities of diabetes and body weight at baseline were significantly associated with each dose of roxadustat at six months and the change in each dose of roxadustat from the initiation of roxadustat treatment. There was no significant difference in the amount of increase in the hemoglobin level (14±11 g/L vs. 15±8 g/L) and the rate of hemoglobin target achievement (70% vs. 67%) between patients with and without diabetes. Each dose of roxadustat gradually decreased in patients without diabetes, whereas it increased in those with diabetes. Each dose of roxadustat was significantly higher in patients with diabetes than in those without diabetes at 3 (60±21 mg vs. 42±14 mg) and 6 (61±22 mg vs. 41±14 mg) months after the initiation of roxadustat treatment. Conclusion Roxadustat is useful for the treatment of anemia in both CKD patients with and without diabetes. However, the dose required to achieve the target hemoglobin level may be higher in patients with diabetes than in those without diabetes.
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Affiliation(s)
- Hiroyuki Ito
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
| | - Rie Araki
- Nephrology, Edogawa Hospital, Tokyo, JPN
| | - Toshiko Mori
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
| | - Hideyuki Inoue
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
| | | | | | | | - Michiko Togane
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
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Yamasaki K, Adachi N, Ngwe Tun MM, Ikeda A, Moriya T, Kawasaki M, Yamasaki T, Kubota T, Nagashima I, Shimizu H, Tateno H, Morita K. Core fucose-specific Pholiota squarrosa lectin (PhoSL) as a potent broad-spectrum inhibitor of SARS-CoV-2 infection. FEBS J 2022; 290:412-427. [PMID: 36007953 PMCID: PMC9539343 DOI: 10.1111/febs.16599] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 08/06/2022] [Accepted: 08/22/2022] [Indexed: 02/05/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein (S protein) is highly N-glycosylated, and a "glycan shield" is formed to limit the access of other molecules; however, a small open area coincides with the interface to the host's receptor and also neutralising antibodies. Most of the variants of concern have mutations in this area, which could reduce the efficacy of existing antibodies. In contrast, N-glycosylation sites are relatively invariant, and some are essential for infection. Here, we observed that the S proteins of the ancestral (Wuhan) and Omicron strains bind with Pholiota squarrosa lectin (PhoSL), a 40-amino-acid chemically synthesised peptide specific to core-fucosylated N-glycans. The affinities were at a low nanomolar level, which were ~ 1000-fold stronger than those between PhoSL and the core-fucosylated N-glycans at the micromolar level. We demonstrated that PhoSL inhibited infection by both strains at similar submicromolar levels, suggesting its broad-spectrum effect on SARS-CoV-2 variants. Cryogenic electron microscopy revealed that PhoSL caused an aggregation of the S protein, which was likely due to the multivalence of both the trimeric PhoSL and S protein. This characteristic is likely relevant to the inhibitory mechanism. Structural modelling of the PhoSL-S protein complex indicated that PhoSL was in contact with the amino acids of the S protein, which explains the enhanced affinity with S protein and also indicates the significant potential for developing specific binders by the engineering of PhoSL.
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Affiliation(s)
- Kazuhiko Yamasaki
- Biomedical Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan
| | - Naruhiko Adachi
- Structural Biology Research Center, Institute of Materials Structure ScienceHigh Energy Accelerator Research Organization (KEK)TsukubaJapan
| | - Mya Myat Ngwe Tun
- Department of Virology, Institute of Tropical Medicine (NEKKEN)Nagasaki UniversityNagasakiJapan
| | - Akihito Ikeda
- Structural Biology Research Center, Institute of Materials Structure ScienceHigh Energy Accelerator Research Organization (KEK)TsukubaJapan
| | - Toshio Moriya
- Structural Biology Research Center, Institute of Materials Structure ScienceHigh Energy Accelerator Research Organization (KEK)TsukubaJapan
| | - Masato Kawasaki
- Structural Biology Research Center, Institute of Materials Structure ScienceHigh Energy Accelerator Research Organization (KEK)TsukubaJapan
| | - Tomoko Yamasaki
- Biomedical Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan
| | - Tomomi Kubota
- Biomedical Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan
| | - Izuru Nagashima
- Cellular and Molecular Biotechnology Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan
| | - Hiroki Shimizu
- Cellular and Molecular Biotechnology Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan
| | - Kouichi Morita
- Department of Virology, Institute of Tropical Medicine (NEKKEN)Nagasaki UniversityNagasakiJapan
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Ibrahim MA, Yamasaki T, Furukawa K, Yamasaki K. Fragment-Based Drug Discovery for Trypanosoma brucei Glycosylphosphatidylinositol-Specific Phospholipase C through Biochemical and WaterLOGSY-NMR Methods. J Biochem 2022; 171:619-629. [PMID: 35191956 DOI: 10.1093/jb/mvac020] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 02/16/2022] [Indexed: 11/15/2022] Open
Abstract
Glycosylphosphatidylinositol-specific phospholipase C (GPI-PLC) of Trypanosoma brucei, the causative protozoan parasite of African trypanosomiasis, is a membrane-bound enzyme essential for antigenic variation, because it catalyses the release of the membrane-bound form of variable surface glycoproteins. Here, we performed a fragment-based drug discovery of TbGPI-PLC inhibitors using a combination of enzymatic inhibition assay and water-ligand observed via gradient spectroscopy (WaterLOGSY) NMR experiment. The TbGPI-PLC was cloned and over-expressed using an Escherichia coli expression system followed by purification using three-phase partitioning and gel filtration. Subsequently, the inhibitory activity of 873 fragment compounds against the recombinant TbGPI-PLC led to the identification of 66 primary hits. These primary hits were subjected to the WaterLOGSY NMR experiment where 10 fragment hits were confirmed to directly bind to the TbGPI-PLC. These included benzothiazole, chlorobenzene, imidazole, indole, pyrazol and quinolinone derivatives. Molecular docking simulation indicated that six of them share a common binding site, which corresponds to the catalytic pocket. The present study identified chemically diverse fragment hits that could directly bind and inhibit the TbGPI-PLC activity which constructed a framework for fragment optimisation or linking towards the design of novel drugs for African trypanosomiasis.
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Affiliation(s)
- Mohammed Auwal Ibrahim
- Biomedical Research Institute, and Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 3058566, Japan.,Department of Biochemistry, Ahmadu Bello University, Zaria, Kaduna 800001, Nigeria
| | - Tomoko Yamasaki
- Biomedical Research Institute, and Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 3058566, Japan
| | - Koji Furukawa
- Biomedical Research Institute, and Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 3058566, Japan
| | - Kazuhiko Yamasaki
- Biomedical Research Institute, and Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 3058566, Japan
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Ito H, Ito K, Tanaka M, Hokamura M, Tanaka M, Kusano E, Kondo J, Izutsu T, Matsumoto S, Inoue H, Antoku S, Yamasaki T, Mori T, Togane M. Constipation Is a Frequent Problem Associated with Vascular Complications in Patients with Type 2 Diabetes: A Cross-sectional Study. Intern Med 2022; 61:1309-1317. [PMID: 35491175 PMCID: PMC9152859 DOI: 10.2169/internalmedicine.7676-21] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objective Diabetes is recognized as an underlying disease of constipation. However, the prevalence of constipation varies according to the diagnostic criteria applied. We investigated the prevalence of constipation based on the new guideline for constipation in Japanese patients with type 2 diabetes and examined the relationship with the clinical background, including diabetic vascular complications. Methods Questionnaire surveys including items concerning the diagnosis and treatment status of constipation were administered to 410 patients with type 2 diabetes. Results Although 29% of the patients considered that they had experienced constipation (self-judged), only 14% had consulted a physician about constipation. The prevalence of chronic constipation based on the guideline was 26%. After including laxative users, constipation was finally found in 36%. Despite the use of laxatives (n=81), 51% of the patients were still diagnosed with chronic constipation. Patients with constipation (chronic constipation or laxative use) were significantly older and had a longer duration of diabetes than those without constipation. The body mass index (BMI) of patients with constipation (24.9±3.8 kg/m2) was significantly lower than that of those without constipation (26.3±4.6 kg/m2). Diabetic neuropathy (49% vs. 32%) and coronary heart disease (CHD) (27% vs. 13%) were significantly more frequent in the patients with constipation than in those without constipation. A multivariate logistic regression analysis revealed that gender, BMI, diabetic neuropathy, insulin use, and CHD were significantly associated with constipation. Conclusion An accurate diagnosis of constipation is desirable in patients with type 2 diabetes because constipation is independently associated with CHD.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Kiyoko Ito
- Department of Nursing, Edogawa Hospital, Japan
| | | | | | | | - Eiji Kusano
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Jiro Kondo
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Takuma Izutsu
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Hideyuki Inoue
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
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Quintero J, Slevin J, Koehl L, Guduru Z, Yamasaki T, Gurwell J, Hines T, Welleford A, Granholm-Bentley A, Schmitt F, Gerhardt G, van Horne C. DBS Plus: a clinical trial platform for combining delivery of investigational therapeutics with deep brain stimulation surgery in patients with parkinson’s disease. Cytotherapy 2021. [DOI: 10.1016/s1465324921004801] [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: 11/16/2022]
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Yamasaki K, Yamasaki T, Takahashi M, Suematsu H. A mixing microfluidic chip for real-time NMR monitoring of macromolecular reaction. J Biochem 2021; 170:363-368. [PMID: 33831188 DOI: 10.1093/jb/mvab048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 04/02/2021] [Indexed: 11/12/2022] Open
Abstract
NMR spectroscopy permits real-time monitoring of reactions that involve changes in the spectra of reactants. MICCS (MIcro Channeled Cell for Synthesis monitoring) is a microfluidic chip for such purposes, which is used to rapidly activate reactions by mixing the reactant solutions in the chip inserted into the typical NMR tube. Although it allows monitoring of chemical reactions of small compounds, its simple mixing system dependent on diffusion in the microchannel was not suitable for macromolecules such as proteins with low diffusion rates. Here we developed a new microfluidic chip based on MICCS by incorporating a mixer of split-and-recombination type within the microchannel. We applied it to monitoring of the protein-folding reaction in a stopped-flow mode. A solution of denaturant-unfolded RNase A was injected from a syringe pump into the microchip set inside the NMR magnet and mixed with a buffer for dilution to reach the folding condition. Immediately after dilution, the reaction was initiated and detected by a series of NMR measurements that were synchronized with activation and inactivation of the pump. The process was repeated for accumulation of the data. By analyzing the change of the spectra by factor analysis, a kinetic constant of 0.57 min-1 was obtained.
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Affiliation(s)
- Kazuhiko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 3058566, Japan
| | - Tomoko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 3058566, Japan
| | - Masaharu Takahashi
- Planning Headquarters, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki, 3058560, Japan
| | - Hiroto Suematsu
- JEOL RESONANCE Inc., 3-1-2 Musashino, Akishima, Tokyo, 1968558, Japan
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Ito H, Matsumoto S, Izutsu T, Kusano E, Kondo J, Inoue H, Antoku S, Yamasaki T, Mori T, Togane M. Different renoprotective effects of luseogliflozin depend on the renal function at the baseline in patients with type 2 diabetes: A retrospective study during 12 months before and after initiation. PLoS One 2021; 16:e0248577. [PMID: 33720983 PMCID: PMC7959360 DOI: 10.1371/journal.pone.0248577] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 01/05/2021] [Accepted: 03/01/2021] [Indexed: 12/25/2022] Open
Abstract
Aims The safety and efficacy, particularly, the factors associated with the renal prognosis, were assessed over 12 months after the initiation of luseogliflozin therapy in Japanese patients with type 2 diabetes and renal impairment. Methods In total, 238 patients treated with luseogliflozin (2.5 mg, once daily) were studied as the safety analysis set. Two hundred and two subjects whose medication was continued over 12 months were investigated as the full analysis set. The subjects were divided into 3 groups based on the estimated glomerular filtration rate (eGFR): high eGFR (n = 49), normal eGFR (n = 116) and low eGFR (n = 37) groups. Results The body weight, systolic blood pressure, HbA1c and urinary protein excretion gradually decreased from baseline in all eGFR groups. While the eGFR was significantly reduced from baseline in the high and normal eGFR groups, the eGFR did not significantly differ over time in the low eGFR group. There was no marked difference in the frequency of adverse events that were specific for SGLT2 inhibitors among the 3 groups in the safety analysis set. Conclusions Luseogliflozin can preserve the renal function in the medium term in patients with type 2 diabetes and renal impairment without an increase in specific adverse events.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
- * E-mail:
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Takuma Izutsu
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Eiji Kusano
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Jiro Kondo
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Hideyuki Inoue
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Edogawa, Tokyo, Japan
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11
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Eda M, Yamasaki T, Izumi H, Tomita N, Konno S, Konno M, Murakami H, Sato F. Cryptic species in a Vulnerable seabird: shorttailed albatross consists of two species. ENDANGER SPECIES RES 2020. [DOI: 10.3354/esr01078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The occurrence of cryptic species within a threatened taxon is rare, but where they do occur, understanding species boundaries is essential for planning an effective conservation strategy. The short-tailed albatross Phoebastria albatrus is a Vulnerable seabird that mainly breeds on Torishima and the Senkaku Islands in the western North Pacific. Although it has been tacitly regarded as a single management unit with 2 breeding sites, the species is known to comprise 2 genetically separated populations (Senkaku-type and Torishima-type). However, morphological examination of birds from both populations has not been conducted owing to the difficulty in accessing the Senkaku Islands. In this study, we examined the morphological differences between immigrants from the Senkaku Islands to Torishima (Senkaku-type) and native birds on Torishima (Torishima-type) and found significant differences in morphological characteristics between the 2 bird types. In general, Torishima-type birds were larger than Senkaku-type birds, whereas Senkaku-type birds had relatively longer beaks. Based on the morphological differences found in this study as well as genetic and ecological differences revealed in previous studies, we believe that Senkaku- and Torishima-type birds should be classified as different cryptic species. To the best of our knowledge, this is the first case of cryptic species being identified in a threatened avian species.
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Affiliation(s)
- M Eda
- Hokkaido University Museum, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - T Yamasaki
- Division of Natural History, Yamashina Institute for Ornithology, Konoyama 115, Abiko 270-1145, Japan
| | - H Izumi
- Hokkaido University Museum, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - N Tomita
- Division of Avian Conservation, Yamashina Institute for Ornithology, Konoyama 115, Abiko 270-1145, Japan
| | - S Konno
- Division of Avian Conservation, Yamashina Institute for Ornithology, Konoyama 115, Abiko 270-1145, Japan
| | - M Konno
- Division of Avian Conservation, Yamashina Institute for Ornithology, Konoyama 115, Abiko 270-1145, Japan
| | - H Murakami
- Division of Avian Conservation, Yamashina Institute for Ornithology, Konoyama 115, Abiko 270-1145, Japan
| | - F Sato
- Division of Avian Conservation, Yamashina Institute for Ornithology, Konoyama 115, Abiko 270-1145, Japan
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12
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Yamasaki T, Hattori T, Kakita K, Oota K, Miyai N, Nakamura R, Sawanishi T, Kinoshita N. Quantitative analysis of the isolation area after larger-size laser balloon ablation. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0616] [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
Background
The visually guided laser balloon ablation is a balloon-based catheter ablation technology used for atrial fibrillation (AF) ablation in recent years. This balloon catheter consists of a compliant balloon that has the capability of real-time endoscopic visualization of the targeted pulmonary vein (PV). The sizeable balloon is usually inflated to obtain optimal PV occlusion. The isolation area after laser balloon (LB) ablation was reported to be smaller than that after cryoballoon ablation. However, when LB is inflated with its maximum pressure, it can visualize wide-area PV antrum. Thereby, we suspected that larger-size LB can create wider isolation area.
Purpose
The aim of this study is to quantitatively evaluate the isolation area after LB ablation at the size larger than appropriate size for ablation in the pulmonary vein carina region.
Methods
We assessed 66 patients with AF who underwent LB ablation at the larger inflation size in our hospital during the period from July 2018 to July 2019. After LB ablation, we created voltage maps with a circular mapping catheter and calculated isolation areas with CARTO system.
Results
Figure shows a larger LB with its maximum pressure. PV antrum isolation was extended to the posterior wall in all patients. The left- and right-sided pulmonary vein antrum isolation area were 15.1±3.9 and 19.4±4.3 cm2, respectively.
Conclusion
LB at the larger inflation size with its maximum pressure can isolate wider-area circumferential PV antrum than previously reported. This method may be a new way of pulmonary vein antrum isolation.
Left atrial voltage mapping after PVI.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- T Yamasaki
- Takeda Hospital, Cardiac Arrhythmia, Kyoto, Japan
| | - T Hattori
- Takeda Hospital, Cardiac Arrhythmia, Kyoto, Japan
| | - K Kakita
- Takeda Hospital, Cardiac Arrhythmia, Kyoto, Japan
| | - K Oota
- Takeda Hospital, Cardiology, Kyoto, Japan
| | - N Miyai
- Takeda Hospital, Cardiology, Kyoto, Japan
| | - R Nakamura
- Takeda Hospital, Cardiology, Kyoto, Japan
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13
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Slevin J, Quintero J, Gurwell J, Guduru Z, Yamasaki T, Koehl L, Hines T, El Seblani N, Gerhardt G, van Horne C. Determining the safety and feasibility of unilateral cell therapy delivery to the substantia nigra for the goal of disease modification. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.077] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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14
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Ito H, Antoku S, Izutsu T, Kusano E, Matsumoto S, Yamasaki T, Mori T, Togane M. The prognosis of subjects showing a reduced estimated glomerular filtration rate without albuminuria in Japanese patients with type 2 diabetes: a cohort study for diabetic kidney disease. Clin Exp Nephrol 2020; 24:1033-1043. [PMID: 32734506 DOI: 10.1007/s10157-020-01935-3] [Citation(s) in RCA: 4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 07/21/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND To determine the renal and cardiovascular prognosis and all-cause mortality of Japanese patients with type 2 diabetes showing a reduced estimated glomerular filtration rate (eGFR) without albuminuria. METHODS A population of 675 patients with type 2 diabetes was prospectively observed for 4 years to determine the renal and cardiovascular outcomes and mortality. The subjects were divided into the four groups: those with a preserved eGFR and no albuminuria (n = 306), a preserved eGFR and albuminuria (n = 151), a reduced eGFR and no albuminuria (n = 96), and a reduced eGFR and albuminuria (n = 122). The Cox proportional hazard model and Fine and Gray method were used to assess between-group differences in the risk of mortality and cardiovascular events. RESULTS In the group with a reduced eGFR, the eGFR value did not significantly change in the subjects without albuminuria (0 ± 8 mL/min/1.73 m2), whereas it decreased continuously in those with albuminuria (-6 ± 12 mL/min/1.73 m2). The incidence of cardiovascular events was significantly (P = 0.03) higher in the subjects with albuminuria (17%) than those without albuminuria (7%) in the group with a reduced eGFR. Cardiovascular events were significantly (P < 0.01) more frequent in the group with a reduced eGFR than in those with a preserved eGFR in both subjects with and without albuminuria. CONCLUSIONS The risk of end-stage kidney disease in non-albuminuric subjects with a reduced eGFR is considered to be low. We should focus on cardiovascular prognosis, because these patients are still at high risk of cardiovascular events, even though the prognosis is better in comparison to albuminuric patients.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan.
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
| | - Takuma Izutsu
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
| | - Eiji Kusano
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo, 133-0052, Japan
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15
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Yamasaki K, Akutsu Y, Yamasaki T, Miyagishi M, Kubota T. Enhanced affinity of racemic phosphorothioate DNA with transcription factor SATB1 arising from diastereomer-specific hydrogen bonds and hydrophobic contacts. Nucleic Acids Res 2020; 48:4551-4561. [PMID: 32187371 PMCID: PMC7192603 DOI: 10.1093/nar/gkaa170] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 03/03/2020] [Accepted: 03/06/2020] [Indexed: 02/07/2023] Open
Abstract
Phosphorothioate modification is commonly introduced into therapeutic oligonucleotides, typically as a racemic mixture in which either of the two non-bridging phosphate oxygens is replaced by sulfur, which frequently increases affinities with proteins. Here, we used isothermal titration calorimetry and X-ray crystallography to investigate the thermodynamic and structural properties of the interaction between the primary DNA-binding domain (CUTr1) of transcription factor SATB1 and dodecamer DNAs with racemic phosphorothioate modifications at the six sites known to contact CUTr1 directly. For both the modified and unmodified DNAs, the binding reactions were enthalpy-driven at a moderate salt concentration (50 mM NaCl), while being entropy-driven at higher salt concentrations with reduced affinities. The phosphorothioate modifications lowered this susceptibility to salt, resulting in a significantly enhanced affinity at a higher salt concentration (200 mM NaCl), although only some DNA molecular species remained interacting with CUTr1. This was explained by unequal populations of the two diastereomers in the crystal structure of the complex of CUTr1 and the phosphorothioate-modified DNA. The preferred diastereomer formed more hydrogen bonds with the oxygen atoms and/or more hydrophobic contacts with the sulfur atoms than the other, revealing the origins of the enhanced affinity.
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Affiliation(s)
- Kazuhiko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8566, Japan
| | - Yukie Akutsu
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8566, Japan
| | - Tomoko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8566, Japan
| | - Makoto Miyagishi
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8566, Japan
| | - Tomomi Kubota
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8566, Japan
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16
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Nakao Y, Koshimura M, Yamasaki T, Ohtubo Y. Cell-type-independent expression of inwardly rectifying potassium currents in mouse fungiform taste bud cells. Physiol Res 2020; 69:501-510. [PMID: 32469236 DOI: 10.33549/physiolres.934331] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Inwardly rectifying potassium (Kir) channels play key roles in functions, including maintaining the resting membrane potential and regulating the action potential duration in excitable cells. Using in situ whole-cell recordings, we investigated Kir currents in mouse fungiform taste bud cells (TBCs) and immunologically identified the cell types (type I-III) expressing these currents. We demonstrated that Kir currents occur in a cell-type-independent manner. The activation potentials we measured were -80 to -90 mV, and the magnitude of the currents increased as the membrane potentials decreased, irrespective of the cell types. The maximum current densities at -120 mV showed no significant differences among cell types (p>0.05, one-way ANOVA). The density of Kir currents was not correlated with the density of either transient inward currents or outwardly rectifying currents, although there was significant correlation between transient inward and outwardly rectifying current densities (p<0.05, test for no correlation). RT-PCR studies employing total RNA extracted from peeled lingual epithelia detected mRNAs for Kir1, Kir2, Kir4, Kir6, and Kir7 families. These findings indicate that TBCs express several types of Kir channels functionally, which may contribute to regulation of the resting membrane potential and signal transduction of taste.
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Affiliation(s)
- Y Nakao
- Department of Human Intelligence Systems, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, Kitakyushu, Japan.
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17
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Ito H, Ando S, Tsugami E, Araki R, Kusano E, Matsumoto S, Uemura K, Nishio S, Antoku S, Yamasaki T, Mori T, Togane M. Changes in medication adherence and unused drugs after switching from daily dipeptidyl peptidase-4 inhibitors to once-weekly trelagliptin in patients with type 2 diabetes. Diabetes Res Clin Pract 2019; 153:41-48. [PMID: 31150724 DOI: 10.1016/j.diabres.2019.05.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 05/15/2019] [Accepted: 05/22/2019] [Indexed: 11/25/2022]
Abstract
AIMS The changes in patients' satisfaction with the treatment, medication adherence and unused drugs before and after switching from daily DPP-4 inhibitors to once-weekly trelagliptin administration were prospectively investigated in patients with type 2 diabetes. METHODS After excluding 46 patients who declined to switch from daily DPP-4 inhibitors, 79 subjects were included in the present study. The clinical parameters and results of questionnaire surveys regarding satisfaction with treatment as well as impressions of the amount of medicine/number of doses, medication adherence, and unused drug were examined at the baseline and 3 months after switching from daily DPP-4 inhibitors to trelagliptin in 75 patients with type 2 diabetes. RESULTS Although the value of HbA1c did not change (7.0% ± 0.5% to 7.0% ± 0.6%), the scores representing satisfaction with the treatment (25.2 ± 6.4 to 26.4 ± 6.0), impression of the amount of medicine (-0.3 ± 1.0 to 0.3 ± 1.0) and number of doses (0.3 ± 1.0 to 0.8 ± 0.6), and medication adherence (0.8 ± 0.4 to 0.9 ± 0.3) as assessed by the questionnaire surveys were significantly improved after switching from DPP-4 inhibitors. The self-reported amount of unused drugs was significantly reduced after switching. CONCLUSIONS Switching from daily DPP-4 inhibitors to once-weekly trelagliptin improved the satisfaction with the treatment, impression of the prescribed medicine and medication adherence in the type 2 diabetic patients who expresses a desire to reduce their prescription medicines. In such patients, improvements in the glycemic control and long-term prognosis might be expected through the reduction of unused drugs.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan.
| | | | | | - Rie Araki
- Department of Pharmacy, Edogawa Hospital, Japan
| | - Eiji Kusano
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Kosuke Uemura
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Shinya Nishio
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Japan
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18
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Yamasaki K, Kubota T, Yamasaki T, Nagashima I, Shimizu H, Terada RI, Nishigami H, Kang J, Tateno M, Tateno H. Structural basis for specific recognition of core fucosylation in N-glycans by Pholiota squarrosa lectin (PhoSL). Glycobiology 2019; 29:576-587. [DOI: 10.1093/glycob/cwz025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 03/01/2019] [Accepted: 03/22/2019] [Indexed: 12/31/2022] Open
Affiliation(s)
- Kazuhiko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Japan
| | - Tomomi Kubota
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Japan
| | - Tomoko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Japan
| | - Izuru Nagashima
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Japan
| | - Hiroki Shimizu
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Japan
| | - Ryu-ichiro Terada
- Graduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Hyogo, Japan
| | - Hiroshi Nishigami
- Graduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Hyogo, Japan
| | - Jiyoung Kang
- Graduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Hyogo, Japan
| | - Masaru Tateno
- Graduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Hyogo, Japan
| | - Hiroaki Tateno
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Japan
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19
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Ito K, Okuno T, Sawada A, Sakai K, Kato Y, Muro K, Yanagita M, Teramoto Y, Yamasaki T, Inoue T, Ogawa O, Kobayashi T. Recurrent Aphthous Stomatitis Caused by Cytomegalovirus, Herpes Simplex Virus, and Candida Species in a Kidney Transplant Recipient: A Case Report. Transplant Proc 2019; 51:993-997. [PMID: 30979493 DOI: 10.1016/j.transproceed.2019.01.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 11/20/2018] [Accepted: 01/17/2019] [Indexed: 12/13/2022]
Abstract
Recipients of organ transplants are immunosuppressed and at high risk of oral infection. Oral diseases are often neglected compared with infections of other organs that typically confer higher morbidity. However, severe local symptoms hinder oral intake, decrease quality of life, and are sometimes lethal. Here we describe a case of a 57-year-old woman who developed recurrent aphthous stomatitis after kidney transplantation; the cause of the infection was complex and included cytomegalovirus, herpes simplex virus, and Candida species. Since misdiagnosis of oral diseases impairs patient quality of life and increases morbidity, clinicians should be aware of possible etiologies of oral infections in renal transplant recipients.
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Affiliation(s)
- K Ito
- Department of Urology, Kyoto University Hospital, Kyoto, Japan
| | - T Okuno
- Department of Urology, Kyoto University Hospital, Kyoto, Japan
| | - A Sawada
- Department of Urology, Kyoto University Hospital, Kyoto, Japan
| | - K Sakai
- Department of Nephrology, Kyoto University Hospital, Kyoto, Japan
| | - Y Kato
- Department of Nephrology, Kyoto University Hospital, Kyoto, Japan
| | - K Muro
- Department of Nephrology, Kyoto University Hospital, Kyoto, Japan
| | - M Yanagita
- Department of Nephrology, Kyoto University Hospital, Kyoto, Japan
| | - Y Teramoto
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - T Yamasaki
- Department of Urology, Kyoto University Hospital, Kyoto, Japan
| | - T Inoue
- Department of Urology, Kyoto University Hospital, Kyoto, Japan
| | - O Ogawa
- Department of Urology, Kyoto University Hospital, Kyoto, Japan.
| | - T Kobayashi
- Department of Urology, Kyoto University Hospital, Kyoto, Japan
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20
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Yasunaga Y, Tanaka R, Mifuji K, Shoji T, Yamasaki T, Adachi N, Ochi M. Rotational acetabular osteotomy for symptomatic hip dysplasia in patients younger than 21 years of age: seven- to 30-year survival outcomes. Bone Joint J 2019; 101-B:390-395. [PMID: 30929485 DOI: 10.1302/0301-620x.101b4.bjj-2018-1200.r1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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] [Indexed: 11/05/2022]
Abstract
AIMS The aim of this study was to report the long-term results of rotational acetabular osteotomy (RAO) for symptomatic hip dysplasia in patients aged younger than 21 years at the time of surgery. PATIENTS AND METHODS We evaluated 31 patients (37 hips) aged younger than 21 years at the time of surgery retrospectively. There were 29 female and two male patients. Their mean age at the time of surgery was 17.4 years (12 to 21). The mean follow-up was 17.9 years (7 to 30). The RAO was combined with a varus or valgus femoral osteotomy or a greater trochanteric displacement in eight hips, as instability or congruence of the hip could not be corrected adequately using RAO alone. RESULTS The mean Merle d'Aubigné clinical score improved significantly from 15.4 to 17.2 (p < 0.0001). The mean centre-edge (CE) angle improved from -2.6° to 26°, the mean acetabular roof angle improved from 3.0° to 5.2°, and the mean head lateralization index improved from 0.68 to 0.62. Progression of radiological osteoarthritis (OA) was seen in seven hips, but no patient underwent total hip arthroplasty. CONCLUSION RAO is an effective form of correction for a severely dysplastic hip in adolescent and young adult patients. Cite this article: Bone Joint J 2019;101-B:390-395.
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Affiliation(s)
- Y Yasunaga
- Hiroshima Prefectural Rehabilitation Center, Higashi-Hiroshima, Japan
| | - R Tanaka
- Hiroshima Prefectural Rehabilitation Center, Higashi-Hiroshima, Japan
| | - K Mifuji
- Department of Orthopaedic Surgery, Hiroshima University, Higashi-Hiroshima, Japan
| | - T Shoji
- Department of Orthopaedic Surgery, Hiroshima University, Higashi-Hiroshima, Japan
| | - T Yamasaki
- Department of Orthopaedic Surgery, Hiroshima University, Higashi-Hiroshima, Japan
| | - N Adachi
- Department of Orthopaedic Surgery, Hiroshima University, Higashi-Hiroshima, Japan
| | - M Ochi
- Hiroshima University, Higashi-Hiroshima, Japan
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21
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Ito H, Matsumoto S, Izutsu T, Kusano E, Nishio S, Antoku S, Yamasaki T, Mori T, Togane M, Ando S, Tsugami E. Comparison of the changes in the factors associated with the renal prognosis of non-elderly and elderly subjects treated with empagliflozin- a retrospective observation study in Japanese patients with type 2 diabetes. Diabetes Metab Syndr Obes 2019; 12:1783-1794. [PMID: 31571954 PMCID: PMC6750868 DOI: 10.2147/dmso.s221655] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 08/28/2019] [Indexed: 12/22/2022] Open
Abstract
PURPOSE The factors associated with the renal prognosis over six months after the initiation of empagliflozin were compared between the non-elderly and elderly Japanese patients with type 2 diabetes. PATIENTS AND METHODS In total, 132 patients treated with empagliflozin (10 mg, once daily) were studied as the safety analysis set. One hundred ten subjects whose medications were not changed during the observation period were investigated as the full analysis set to assess the effectiveness. The subjects were divided into two groups: non-elderly subjects (n=72) of<65 years of age and elderly subjects (n=38) of≥65 years of age. RESULTS Although the body weight and HbA1c, AST, ALT and γ-GTP levels were significantly reduced in both the non-elderly and elderly subjects, blood pressure, eGFR and urinary protein excretion were only significantly decreased in the non-elderly subjects. The hemoglobin, hematocrit and serum HDL-cholesterol levels were significantly elevated in both groups. The change in eGFR showed a significant positive association with the change in blood pressure. The change in urinary protein excretion tended to be correlated with the change in blood pressure. CONCLUSION Although renoprotective effects might be limited, empagliflozin can safely and effectively improve metabolic parameters, even in elderly subjects.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
- Correspondence: Hiroyuki ItoDepartment of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, 2-24-18, Higashikoiwa, Edogawa-ku, Tokyo133-0052, JapanTel +81 3 3673 1221Fax +81 3 3673 1229Email
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Takuma Izutsu
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Eiji Kusano
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Shinya Nishio
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | | | - Emiko Tsugami
- Department of Pharmacy, Edogawa Hospital, Tokyo, Japan
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Kenmochi H, Yamasaki T, Horikawa M, Yamamoto T, Koizumi S, Sameshima T, Namba H. P04.67 Assessments for prediction of bystander effect in HSV-tk/GCV gene therapy. Neuro Oncol 2018. [DOI: 10.1093/neuonc/noy139.301] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- H Kenmochi
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
| | - T Yamasaki
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
| | - M Horikawa
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
| | - T Yamamoto
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
| | - S Koizumi
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
| | - T Sameshima
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
| | - H Namba
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu city, Shizuoka, Japan
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Ito H, Tsugami E, Ando S, Araki R, Matsumoto S, Uemura K, Nishio S, Antoku S, Yamasaki T, Mori T, Togane M. A comparison of the clinical courses of type 2 diabetic patients whose basal insulin preparation was replaced from insulin glargine 100 units/mL to insulin glargine biosimilar or 300 units/mL: a propensity score-matched observation study. J Drug Assess 2018; 7:54-60. [PMID: 30202634 PMCID: PMC6127835 DOI: 10.1080/21556660.2018.1513846] [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: 06/22/2018] [Accepted: 08/16/2018] [Indexed: 02/07/2023] Open
Abstract
Objective: We compared the clinical course of type 2 diabetic patients whose basal insulin preparations were replaced from insulin glargine (IGlar) 100 units/mL (U100) to IGlar biosimilar or IGlar 300 units/mL (U300). Methods: After propensity score matching, 34 patients whose basal insulin preparation was switched from IGlar U100 to IGlar biosimilar and 102 switched to IGlar U300 were observed for 6 months. Results: The HbA1c level and body weight did not change significantly after the replacement in the IGlar biosimilar or IGlar U300 groups. In the IGlar biosimilar group, the frequency of subjects who experienced hypoglycemia after the replacement (12%) was not different from before (12%). However, the frequency was significantly lower after the replacement (2%) than before (13%) in the IGlar U300 group. The change in the HbA1c level after the replacement showed a significant association with the HbA1c level at the baseline but not with the kind of IGlar. Hypoglycemia was frequently observed in subjects who had experienced hypoglycemia before the replacement. Conclusions: IGlar biosimilar and IGlar U300 induced similar HbA1c and body weight changes among type 2 diabetic patients. IGlar biosimilar is a suitable option for patients with a low risk for hypoglycemia.
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Affiliation(s)
- Hiroyuki Ito
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Emiko Tsugami
- Department of Pharmacy, Edogawa Hospital, Tokyo, Japan
| | | | - Rie Araki
- Department of Pharmacy, Edogawa Hospital, Tokyo, Japan
| | - Suzuko Matsumoto
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Kosuke Uemura
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Shinya Nishio
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Shinichi Antoku
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Tomoko Yamasaki
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Toshiko Mori
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
| | - Michiko Togane
- Department of Diabetes, Metabolism and Kidney Disease, Edogawa Hospital, Tokyo, Japan
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Tanaka K, Okamura A, Iwamoto M, Nagai H, Yamasaki T, Sumiyoshi A, Tanaka T, Iwakura A, Fuzii K. P797Efficacy of the three dimensional wiring technique for CTO. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p797] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - H Nagai
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - T Yamasaki
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - A Sumiyoshi
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - T Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - A Iwakura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - K Fuzii
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
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Akinsiku O, Yamasaki T, Brunner S, Ganocy S, Fass R. High resolution vs conventional esophageal manometry in the assessment of esophageal motor disorders in patients with non-cardiac chest pain. Neurogastroenterol Motil 2018; 30:e13282. [PMID: 29286206 DOI: 10.1111/nmo.13282] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 10/30/2017] [Accepted: 12/04/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND High-resolution esophageal manometry (HREM) has become a leading tool in the assessment of esophageal motor disorders, replacing conventional manometry. However, there is limited data about the contribution of HREM as compared with conventional manometry to the assessment of esophageal motor disorders in patients with non-cardiac chest pain (NCCP). The aim of the study was to compare the distribution of esophageal motor disorders in patients with NCCP using HREM as compared with conventional manometry and to determine if HREM improved diagnosis of these disorders. METHODS In this study, we included 300 consecutive patients with NCCP who underwent either HREM or conventional manometry over a period of 10 years. A total of 150 patients had conventional manometry and the other 150 patients HREM. The Chicago 3.0 classification and the Castell and Spechler classification were used to determine the esophageal motor disorder of NCCP patients undergoing HREM and conventional manometry, respectively. KEY RESULTS In both HREM and the conventional manometry groups, normal esophageal motility was the most frequent finding (47% and 36%; respectively, P = .054). Hypotensive lower esophageal sphincter was the most common motility disorder identified by conventional manometry (27.3%), while ineffective esophageal motility was the most common esophageal motor disorder identified by HREM (25.3%). CONCLUSIONS & INFERENCES There is a discrepancy in the type of esophageal motor disorders identified by HREM as compared with conventional manometry in NCCP patients. Hypotensive motility disorders are the most commonly diagnosed by both manometric techniques.
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Affiliation(s)
- O Akinsiku
- The Esophageal and Swallowing Center, Division of Gastroenterology and Hepatology, Case Western Reserve University, MetroHealth Medical Center, Cleveland, OH, USA
| | - T Yamasaki
- The Esophageal and Swallowing Center, Division of Gastroenterology and Hepatology, Case Western Reserve University, MetroHealth Medical Center, Cleveland, OH, USA
| | - S Brunner
- The Esophageal and Swallowing Center, Division of Gastroenterology and Hepatology, Case Western Reserve University, MetroHealth Medical Center, Cleveland, OH, USA
| | - S Ganocy
- The Esophageal and Swallowing Center, Division of Gastroenterology and Hepatology, Case Western Reserve University, MetroHealth Medical Center, Cleveland, OH, USA
| | - R Fass
- The Esophageal and Swallowing Center, Division of Gastroenterology and Hepatology, Case Western Reserve University, MetroHealth Medical Center, Cleveland, OH, USA
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Yamasaki T, Ogawa A, Osada T, Jimura K, Konishi S. Within-Subject Correlation Analysis to Detect Functional Areas Associated With Response Inhibition. Front Hum Neurosci 2018; 12:208. [PMID: 29872386 PMCID: PMC5972214 DOI: 10.3389/fnhum.2018.00208] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [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: 10/30/2017] [Accepted: 05/04/2018] [Indexed: 11/13/2022] Open
Abstract
Functional areas in fMRI studies are often detected by brain-behavior correlation, calculating across-subject correlation between the behavioral index and the brain activity related to a function of interest. Within-subject correlation analysis is also employed in a single subject level, which utilizes cognitive fluctuations in a shorter time period by correlating the behavioral index with the brain activity across trials. In the present study, the within-subject analysis was applied to the stop-signal task, a standard task to probe response inhibition, where efficiency of response inhibition can be evaluated by the stop-signal reaction time (SSRT). Since the SSRT is estimated, by definition, not in a trial basis but from pooled trials, the correlation across runs was calculated between the SSRT and the brain activity related to response inhibition. The within-subject correlation revealed negative correlations in the anterior cingulate cortex and the cerebellum. Moreover, the dissociation pattern was observed in the within-subject analysis when earlier vs. later parts of the runs were analyzed: negative correlation was dominant in earlier runs, whereas positive correlation was dominant in later runs. Regions of interest analyses revealed that the negative correlation in the anterior cingulate cortex, but not in the cerebellum, was dominant in earlier runs, suggesting multiple mechanisms associated with inhibitory processes that fluctuate on a run-by-run basis. These results indicate that the within-subject analysis compliments the across-subject analysis by highlighting different aspects of cognitive/affective processes related to response inhibition.
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Affiliation(s)
- Tomoko Yamasaki
- Department of Neurophysiology, Juntendo University School of Medicine, Tokyo, Japan
| | - Akitoshi Ogawa
- Department of Neurophysiology, Juntendo University School of Medicine, Tokyo, Japan
| | - Takahiro Osada
- Department of Neurophysiology, Juntendo University School of Medicine, Tokyo, Japan
| | - Koji Jimura
- Department of Biosciences and Informatics, Keio University School of Science and Technology, Yokohama, Japan
| | - Seiki Konishi
- Department of Neurophysiology, Juntendo University School of Medicine, Tokyo, Japan.,Research Institute for Diseases of Old Age, Juntendo University School of Medicine, Tokyo, Japan.,Sportology Center, Juntendo University School of Medicine, Tokyo, Japan
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Yamasaki K, Yamasaki T, Tateno H. The trimeric solution structure and fucose-binding mechanism of the core fucosylation-specific lectin PhoSL. Sci Rep 2018; 8:7740. [PMID: 29773815 PMCID: PMC5958098 DOI: 10.1038/s41598-018-25630-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 04/20/2018] [Indexed: 12/28/2022] Open
Abstract
The core α1–6 fucosylation-specific lectin from a mushroom Pholiota squarrosa (PhoSL) is a potential tool for precise diagnosis of cancers. This lectin consists of only 40 amino acids and can be chemically synthesized. We showed here that a synthesized PhoSL peptide formed a trimer by gel filtration and chemical cross-linking assays, and determined a structure of the PhoSL trimer by NMR. The structure possesses a β-prism motif with a three-fold rotational symmetry, where three antiparallel β-sheets are tightly connected by swapping of β-strands. A triad of Trp residues comprises the structural core, forming NH–π electrostatic interactions among the indole rings. NMR analysis with an excess amount of fucose revealed the structural basis for the molecular recognition. Namely, fucose deeply enters a pocket formed at a junction of β-sheet edges, with the methyl group placed at the bottom. It forms a number of hydrophobic and hydrogen-bonding interactions with PhoSL residues. In spite of partial similarities to the structures of other functionally related lectins, the arrangement of the antiparallel β-sheets in the PhoSL trimer is novel as a structural scaffold, and thus defines a novel type of lectin structure.
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Affiliation(s)
- Kazuhiko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8566, Japan.
| | - Tomoko Yamasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8566, Japan
| | - Hiroaki Tateno
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8568, Japan
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Muto M, Matsufuji H, Taguchi T, Tomomasa T, Nio M, Tamai H, Tamura M, Sago H, Toki A, Nosaka S, Kuroda T, Yoshida M, Nakajima A, Kobayashi H, Sou H, Masumoto K, Watanabe Y, Kanamori Y, Hamada Y, Yamataka A, Shimojima N, Kubota A, Ushijima K, Haruma K, Fukudo S, Araki Y, Kudo T, Obata S, Sumita W, Watanabe T, Fukahori S, Fujii Y, Yamada Y, Jimbo K, Kawai F, Fukuoka T, Onuma S, Morizane T, Ieiri S, Esumi G, Jimbo T, Yamasaki T. Japanese clinical practice guidelines for allied disorders of Hirschsprung's disease, 2017. Pediatr Int 2018; 60:400-410. [PMID: 29878629 DOI: 10.1111/ped.13559] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/27/2018] [Accepted: 03/07/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Despite the presence of ganglion cells in the rectum, some patients have symptoms similar to those of Hirschsprung's disease. A consensus has yet to be established regarding the terminology for these diseases. We defined this group of diseases as "allied disorders of Hirschsprung's disease" and compiled these guidelines to facilitate accurate clinician diagnosis and provide appropriate treatment strategies for each disease. METHODS These guidelines were developed using the methodologies in the Medical Information Network Distribution System (MINDS). Of seven allied disorders, isolated hypoganglionosis; megacystis-microcolon-intestinal hypoperistalsis syndrome; and chronic idiopathic intestinal pseudo-obstruction were selected as targets of clinical questions (CQ). In a comprehensive search of the Japanese- and English-language articles in PubMed and Ichu-Shi Web, 836 pieces of evidence related to the CQ were extracted from 288 articles; these pieces of evidence were summarized in an evidence table. RESULTS We herein outline the newly established Japanese clinical practice guidelines for allied disorders of Hirschsprung's disease. Given that the target diseases are rare and intractable, most evidence was drawn from case reports and case series. In the CQ, the diagnosis, medication, nutritional support, surgical therapy, and prognosis for each disease are given. We emphasize the importance of full-thickness intestinal biopsy specimens for the histopathological evaluation of enteric ganglia. Considering the practicality of the guidelines, the recommendations for each CQ were created with protracted discussions among specialists. CONCLUSIONS Clinical practice recommendations for allied disorders of Hirschprung's disease are given for each CQ, along with an assessment of the current evidence. We hope that the information will be helpful in daily practice and future studies.
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Affiliation(s)
- Mitsuru Muto
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Hiroshi Matsufuji
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Tomoaki Taguchi
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Takeshi Tomomasa
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Masaki Nio
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Hiroshi Tamai
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Masanori Tamura
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Haruhiko Sago
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Akira Toki
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Shunsuke Nosaka
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Tatsuo Kuroda
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Masahiro Yoshida
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Atsushi Nakajima
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Hiroyuki Kobayashi
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Hideki Sou
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Kouji Masumoto
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Yoshio Watanabe
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Yutaka Kanamori
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Yoshinori Hamada
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Atsuyuki Yamataka
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Naoki Shimojima
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Akio Kubota
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Kosuke Ushijima
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Ken Haruma
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Shin Fukudo
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Yuko Araki
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Takahiro Kudo
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Satoshi Obata
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Wataru Sumita
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Toshihiko Watanabe
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Suguru Fukahori
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Yoshimitsu Fujii
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Yoshiyuki Yamada
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Keisuke Jimbo
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Fujimi Kawai
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Tomoya Fukuoka
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Shinsuke Onuma
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Toshio Morizane
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Satoshi Ieiri
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Genshiro Esumi
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Takahiro Jimbo
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
| | - Tomoko Yamasaki
- The guideline establishment group for allied disorders of Hirschsprung's disease, Science Research, Ministry of Health Labour and Welfare, Fukuoka, Japan
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Shoji T, Yamasaki T, Izumi S, Murakami H, Mifuji K, Sawa M, Yasunaga Y, Adachi N, Ochi M. Factors affecting the potential for posterior bony impingement after total hip arthroplasty. Bone Joint J 2017; 99-B:1140-1146. [DOI: 10.1302/0301-620x.99b9.bjj-2016-1078.r2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [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] [Received: 10/28/2016] [Accepted: 05/09/2017] [Indexed: 11/05/2022]
Abstract
Aims Our aim was to evaluate the radiographic characteristics of patients undergoing total hip arthroplasty (THA) for the potential of posterior bony impingement using CT simulations. Patients and Methods Virtual CT data from 112 patients who underwent THA were analysed. There were 40 men and 72 women. Their mean age was 59.1 years (41 to 76). Associations between radiographic characteristics and posterior bony impingement and the range of external rotation of the hip were evaluated. In addition, we investigated the effects of pelvic tilt and the neck/shaft angle and femoral offset on posterior bony impingement. Results The range of external rotation and the ischiofemoral length were significantly lower, while femoral anteversion, the ischial ratio, and ischial angle were significantly higher in patients with posterior bony impingement compared with those who had implant impingement (p < 0.05). The range of external rotation positively correlated with ischiofemoral length (r = 0.49, p < 0.05), and negatively correlated with ischial length (r = -0.49, p < 0.05), ischial ratio (r =- 0.49, p < 0.05) and ischial angle (r = -0.55, p < 0.05). The range of external rotation was lower in patients with posterior pelvic tilt (p < 0.05) and in those with a high offset femoral component (p < 0.05) due to posterior bony impingement. Conclusion Posterior bony impingement after THA is more likely in patients with a wider ischium and a narrow ischiofemoral space. A high femoral offset and posterior pelvic tilt are also risk factors for this type of impingement. Cite this article: Bone Joint J 2017;99-B:1140–6.
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Affiliation(s)
- T. Shoji
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - T. Yamasaki
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - S. Izumi
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - H. Murakami
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - K. Mifuji
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - M. Sawa
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - Y. Yasunaga
- Hiroshima Prefectural Rehabilitation Center, 295-3
Taguchi, Saijo-town, Higashi-hiroshima, 739-0036, Japan
| | - N. Adachi
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
| | - M. Ochi
- Graduate School of Biomedical Sciences,
Hiroshima University,
1-2-3 Kasumi, Minami-ku, Hiroshima
734-8551, Japan
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Uchida J, Iwai T, Kuwabara N, Kabei K, Nishide S, Yamasaki T, Naganuma T, Kumada N, Takemoto Y, Nakatanti T. Clinical Experience of Late Conversion From Antimetabolites With Standard Exposure Calcineurin Inhibitors to Everolimus With Calcineurin Inhibitor Minimization in Stable Kidney Transplant Recipients With Good Renal Function. Transplant Proc 2017; 48:775-80. [PMID: 27234734 DOI: 10.1016/j.transproceed.2016.02.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/30/2016] [Accepted: 02/18/2016] [Indexed: 12/13/2022]
Abstract
INTRODUCTION This study describes our clinical experience of late conversion from antimetabolites with standard exposure calcineurin inhibitors (CNIs) to everolimus with CNI minimization in stable kidney transplant recipients with good graft function. PATIENTS AND METHODS A 1-year retrospective pilot study of 26 kidney recipients converted from antimetabolites with standard exposure CNIs to everolimus with CNI minimization was performed. The recipients enrolled in this study had normal or slightly impaired renal function defined as a serum creatinine value <2.0 mg/dL, and normal or slightly increased albuminuria defined as a urinary albumin excretion rate <100 mg/g creatinine. RESULTS The median time from transplant to conversion was 39.5 months posttransplant (range, 3-275). Treatment with everolimus was stopped owing to adverse events in 11 patients (42.3%). In the analysis of the patients in whom everolimus was maintained, the mean estimated glomerular filtration rate (eGFR) significantly increased from 50.7 ± 11.9 mL/min/1.73 m(2) at baseline to 53.6 ± 13.9 mL/min/1.73 m(2) at 1 year after conversion. In the patients in whom everolimus was stopped during the observation period, there was no difference in eGFR between baseline and 1 year after conversion. CONCLUSIONS This study demonstrated that, among the patients converted to everolimus at a late stage, there was no deterioration in renal function whether everolimus was maintained or stopped within 1 year after conversion.
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Affiliation(s)
- J Uchida
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan.
| | - T Iwai
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - N Kuwabara
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - K Kabei
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - S Nishide
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - T Yamasaki
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - T Naganuma
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - N Kumada
- Department of Urology, Suita Municipal Hospital, Suita, Japan
| | - Y Takemoto
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - T Nakatanti
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
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Hoshikawa M, Aosasa S, Abe H, Nishikawa M, Noro T, Hiraki S, Kajiwara Y, Moriya T, Yamasaki T, Shinto E, Tsujimoto H, Ueno H, Tanimizu T, Hase K, Yamamoto J. 428. Inframesocolic superior mesenteric artery first approach as an introductory procedure of radical antegrade modular pancreatosplenectomy for distal pancreatic cancer. Eur J Surg Oncol 2016. [DOI: 10.1016/j.ejso.2016.06.268] [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: 11/17/2022] Open
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32
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Shimoda Y, Yui J, Zhang Y, Hatori A, Ogawa M, Fujinaga M, Yamasaki T, Xie L, Kumata K, Zhang MR. Radiosynthesis and evaluation of N-(3,4-dimethylisoxazol-5-yl)piperazine-4-[4-(4-fluorophenyl)thiazol-2-yl]-1-[11C]carboxamide for in vivo positron emission tomography imaging of fatty acid amide hydrolase in brain. RSC Adv 2015. [DOI: 10.1039/c5ra22500k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
[11C] DPFC is a promising PET radiotracer forin vivoimaging of fatty acid amide hydrolase in brain.
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Affiliation(s)
- Y. Shimoda
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - J. Yui
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - Y. Zhang
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - A. Hatori
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - M. Ogawa
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
- SHI Accelerator
| | - M. Fujinaga
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - T. Yamasaki
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - L. Xie
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - K. Kumata
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
| | - M.-R. Zhang
- Molecular Imaging Centre
- National Institute of Radiological Sciences
- Chiba 263-8555
- Japan
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33
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Tiwari AK, Yui J, Pooja P, Aggarwal S, Yamasaki T, Xie L, Chadha N, Zhang Y, Fujinaga M, Shimoda Y, Kumata K, Mishra AK, Ogawa M, Zhang MR. Design, synthesis and biological evaluation of small molecule-based PET radioligands for the 5-hydroxytryptamine 7 receptor. RSC Adv 2015. [DOI: 10.1039/c4ra15833d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new prospective approach for PET imaging of 5-HT7 by a small molecule ligand.
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34
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Yamasaki T, Wakao S, Kawaji H, Suzuki T, Kamio Y, Amano S, Sameshima T, Sakai N, Tokuyama T, Dezawa M, Namba H. ET-67 * SUICIDE GENE THERAPY FOR GLIOMA USING MULTILINEAGE-DEFFERENTIATING STRESS ENDURING (MUSE) CELLS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou255.64] [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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35
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Yamasaki T, Kawaji H, Kamio Y, Amano S, Sameshima T, Sakai N, Tokuyama T, Namba H. P01.22 * GENERATION OF GENETICALLY ENGINEERED INDUCED PLURIPOTENT STEM CELL-DERIVED NEURAL STEM CELLS WITHOUT USING VIRAL VECTORS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.115] [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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36
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Fukui H, Zhang X, Sun C, Hara K, Kikuchi S, Yamasaki T, Kondo T, Tomita T, Oshima T, Watari J, Imura J, Fujimori T, Sasako M, Miwa H. IL-22 produced by cancer-associated fibroblasts promotes gastric cancer cell invasion via STAT3 and ERK signaling. Br J Cancer 2014; 111:763-71. [PMID: 24937671 PMCID: PMC4134496 DOI: 10.1038/bjc.2014.336] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [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: 02/10/2014] [Revised: 05/17/2014] [Accepted: 05/20/2014] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Interleukin-22 (IL-22) has been recently highlighted owing to its biological significance in the modulation of tissue responses during inflammation. However, the role of IL-22 in carcinogenesis has remained unclear. Here, we investigated the pathophysiological significance of IL-22 expression in gastric cancer tissues and examined the mechanism by which IL-22 promotes gastric cancer cell invasion. METHODS Human gastric cancer specimens were analysed by immunohistochemistry for expression of IL-22 and IL-22 receptor 1 (IL-22R1). The effects of IL-22-induced STAT3 and ERK signalling on invasive ability of gastric cancer cells were examined using a small-interfering RNA system and specific inhibitors. AGS cells were co-cultured with cancer-associated fibroblasts (CAFs) from human gastric cancer tissues and assessed by invasion assay. RESULTS Interleukin-22 and its receptor were expressed in α-smooth muscle actin-positive stromal cells and tumour cells at the invasive front of gastric cancer tissues, respectively. The expression of IL-22 and IL-22R1 was significantly related to lymphatic invasion. Interleukin-22 treatment promoted the invasive ability of gastric cancer cells through STAT3 and ERK activation. The invasive ability of gastric cancer cells was significantly enhanced by co-culture with IL-22-expressing CAFs. CONCLUSIONS Interleukin-22 produced by CAFs promotes gastric cancer cell invasion via STAT3 and ERK signalling.
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Affiliation(s)
- H Fukui
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - X Zhang
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
- Department of Geriatric Digestive Internal Medicine, Sichuan Academy of Medical Science & Sichuan People's Hospital, Chengdu 610072, China
| | - C Sun
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
- Department of Digestive Diseases, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - K Hara
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - S Kikuchi
- Department of Surgery, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - T Yamasaki
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - T Kondo
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - T Tomita
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - T Oshima
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - J Watari
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - J Imura
- Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine, Tochigi 321-0293, Japan
| | - T Fujimori
- Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine, Tochigi 321-0293, Japan
| | - M Sasako
- Department of Surgery, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
| | - H Miwa
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Japan
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37
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Yamasaki T, Horie S, Tanaka E, Nakamura N, Ohyagi Y, Kanba S, Kira JI, Tobimatsu S. P61: Higher level but not lower level parallel visual pathways are functionally altered in patients with mild cognitive impairment. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50221-0] [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: 11/17/2022]
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38
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Mori R, Yasunaga Y, Yamasaki T, Nakashiro J, Fujii J, Terayama H, Ohshima S, Ochi M. Are cam and pincer deformities as common as dysplasia in Japanese patients with hip pain? Bone Joint J 2014; 96-B:172-6. [DOI: 10.1302/0301-620x.96b2.32680] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [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: 11/05/2022]
Abstract
In Japan, osteoarthritis (OA) of the hip secondary to acetabular dysplasia is very common, and there are few data concerning the pathogeneses and incidence of femoroacetabular impingement (FAI). We have attempted to clarify the radiological prevalence of painful FAI in a cohort of Japanese patients and to investigate the radiological findings. We identified 176 symptomatic patients (202 hips) with Tönnis grade 0 or 1 osteoarthritis, whom we prospectively studied between August 2011 and July 2012. There were 61 men (65 hips) and 115 women (137 hips) with a mean age of 51.8 years (11 to 83). Radiological analyses included the α-angle, centre–edge angle, cross-over sign, pistol grip deformity and femoral head neck ratio. Of the 202 hips, 79 (39.1%) had acetabular dysplasia, while 80 hips (39.6%) had no known aetiology. We found evidence of FAI in 60 hips (29.7%). Radiological FAI findings associated with cam deformity were the most common. There was a significant relationship between the pistol grip deformity and both the α-angle (p < 0.001) and femoral head–neck ratio (p = 0.024). Radiological evidence of symptomatic FAI was not uncommon in these Japanese patients. Cite this article: Bone Joint J 2013;96-B:172–6.
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Affiliation(s)
- R. Mori
- Hiroshima University, Department
of Orthopaedic Surgery, Graduate School of
Biomedical Sciences, Kasumi 1-2-3, Minami-ku, Hiroshima
City, 734-8551, Japan
| | - Y. Yasunaga
- Hiroshima University, Department
of Artificial Joints and Biomaterials, Graduate
School of Biomedical Sciences, Kasumi 1-2-3, Minami-ku, Hiroshima
City, 734-8551, Japan
| | - T. Yamasaki
- Hiroshima University, Department
of Orthopaedic Surgery, Graduate School of
Biomedical Sciences, Kasumi 1-2-3, Minami-ku, Hiroshima
City, 734-8551, Japan
| | - J. Nakashiro
- Matsuyama Red Cross Hospital, Department
of Orthopaedic Surgery, Bukyo-machi 1, Matsuyama
City, 790-8524, Japan
| | - J. Fujii
- Hiroshima Prefectural Rehabilitation Center, Department
of Orthopaedic Surgery, Taguchi 295-3, Saijo-tyo, Higashi-Hiroshima
City, 739-0036, Japan
| | - H. Terayama
- Ohasa Furusato Hopital, Department
of Orthopaedic Surgery, Shinjo 2147-1, Kita-Hiroshima-tyo, Yamagata-gun, 731-2103, Japan
| | - S. Ohshima
- Onomichi General Hospital, Department
of Orthopaedic Surgery, Hirahara 1-10-23, Onomichi
City, 722-8508, Japan
| | - M. Ochi
- Hiroshima University, Department
of Orthopaedic Surgery, Graduate School of
Biomedical Sciences, Kasumi 1-2-3, Minami-ku, Hiroshima
City, 734-8551, Japan
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Yamasaki K, Obara Y, Hasegawa M, Tanaka H, Yamasaki T, Wakuda T, Okada M, Kohzuma T. Real-Time NMR Monitoring of Protein-Folding Kinetics by a Recycle Flow System for Temperature Jump. Anal Chem 2013; 85:9439-43. [DOI: 10.1021/ac401579e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kazuhiko Yamasaki
- Biomedical Research
Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Yuji Obara
- Institute of Applied
Beam Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Manabu Hasegawa
- Hitachi Research
Laboratory, Hitachi, Ltd., 7-1-1 Omika-cho, Hitachi, Ibaraki 319-1292, Japan
| | - Hideki Tanaka
- Hitachi Research
Laboratory, Hitachi, Ltd., 7-1-1 Omika-cho, Hitachi, Ibaraki 319-1292, Japan
| | - Tomoko Yamasaki
- Biomedical Research
Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Tsuyoshi Wakuda
- Hitachi Research
Laboratory, Hitachi, Ltd., 7-1-1 Omika-cho, Hitachi, Ibaraki 319-1292, Japan
| | - Michiya Okada
- Tsukuba Innovation
Arena, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8562, Japan
| | - Takamitsu Kohzuma
- Institute of Applied
Beam Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
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Ohba T, Yamasaki T, Endo Y, Furuie M, Ohtani Y, Inase N, Yoshizawa Y. A Phase I Study of TS-1 Plus Carboplatin in Patients with Advanced Non-Small-Cell Lung Cancer. J Chemother 2013; 21:80-5. [DOI: 10.1179/joc.2009.21.1.80] [Citation(s) in RCA: 2] [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: 10/31/2022]
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41
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Oka A, Maruo Y, Miki T, Yamasaki T, Saito T. Influence of vitamin A on the quality of beef from the Tajima strain of Japanese Black cattle. Meat Sci 2012; 48:159-67. [PMID: 22062888 DOI: 10.1016/s0309-1740(97)00086-7] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/1997] [Revised: 07/20/1997] [Accepted: 07/26/1997] [Indexed: 01/28/2023]
Abstract
Influence of vitamin A on the beef quality of the Tajima strain of Japanese Black cattle was studied. Marbling scores were correlated with serum vitamin A concentrations just before slaughter (r = -0.38). The mean marbling score of the low vitamin A group that were not supplemented with vitamin A after 15 months of age was significantly higher than that of the group supplemented with high vitamin A. However, there was no significant difference in the marbling scores between the group that were not given vitamin A after 23 months of age and the high vitamin A supplemented group. These results suggest that vitamin A supplementation affects carcass marbling only if given before 23 months of age, in these cattle.
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Affiliation(s)
- A Oka
- Hyogo Prefectural Agricultural Institute, Kasai, Hyogo 679-01, Japan
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Liu F, Makino T, Yamasaki T, Ueno K, Tsukazaki A, Fukumura T, Kong Y, Kawasaki M. Ultrafast time-resolved faraday rotation in EuO thin films. Phys Rev Lett 2012; 108:257401. [PMID: 23004656 DOI: 10.1103/physrevlett.108.257401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2011] [Indexed: 06/01/2023]
Abstract
We have investigated the ultrafast spin dynamics in EuO thin films by time-resolved Faraday rotation spectroscopy. The photoinduced magnetization is found to be increased in a transient manner, accompanied with subsequent demagnetization. The dynamical magnetization enhancement showed a maximum slightly below the Curie temperature with prolonged tails toward both lower and higher temperatures and dominates the demagnetization counterpart at 55 K. The magnetization enhancement component decays in ~1 ns. The realization of the transient collective ordering is attributable to the enhancement of the f-d exchange interaction.
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Affiliation(s)
- F Liu
- Quantum Phase Electronics Center and Department of Applied Physics, University of Tokyo, Tokyo 113-8656, Japan
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Manenti L, Allinovi M, Vaglio A, Allegri L, Gnappi E, Simonetti G, Simonetti G, Vilalta R, Lapeyraque AL, Gruppo R, Sherwinter J, Smith J, Thornburg C, Jungraithmayr T, Wuehl E, Al-Akash S, Davin JC, Macher MA, Langman C, Camacho Diaz JA, Chin M, Goldsberry, Ms A, Hebbar S, Meyer C, Audhya P, Toto R, Warnock D, Pergola P, Chin M, Goldsberry, Ms A, Hebbar S, Meyer C, Audhya P, Imai E, Haneda M, Ito S, Kobayashi F, Yamasaki T, Chan J, Makino H. HUS and diabetic nephropathy. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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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Yamasaki K, Kigawa T, Watanabe S, Inoue M, Yamasaki T, Seki M, Shinozaki K, Yokoyama S. Structural basis for sequence-specific DNA recognition by an Arabidopsis WRKY transcription factor. J Biol Chem 2012; 287:7683-91. [PMID: 22219184 DOI: 10.1074/jbc.m111.279844] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The WRKY family transcription factors regulate plant-specific reactions that are mostly related to biotic and abiotic stresses. They share the WRKY domain, which recognizes a DNA element (TTGAC(C/T)) termed the W-box, in target genes. Here, we determined the solution structure of the C-terminal WRKY domain of Arabidopsis WRKY4 in complex with the W-box DNA by NMR. A four-stranded β-sheet enters the major groove of DNA in an atypical mode termed the β-wedge, where the sheet is nearly perpendicular to the DNA helical axis. Residues in the conserved WRKYGQK motif contact DNA bases mainly through extensive apolar contacts with thymine methyl groups. The importance of these contacts was verified by substituting the relevant T bases with U and by surface plasmon resonance analyses of DNA binding.
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Affiliation(s)
- Kazuhiko Yamasaki
- National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8566, Japan.
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Imai E, Chan JCN, Ito S, Yamasaki T, Kobayashi F, Haneda M, Makino H. Effects of olmesartan on renal and cardiovascular outcomes in type 2 diabetes with overt nephropathy: a multicentre, randomised, placebo-controlled study. Diabetologia 2011; 54:2978-86. [PMID: 21993710 PMCID: PMC3210358 DOI: 10.1007/s00125-011-2325-z] [Citation(s) in RCA: 184] [Impact Index Per Article: 14.2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2011] [Accepted: 09/01/2011] [Indexed: 01/01/2023]
Abstract
AIMS/HYPOTHESIS The renal and cardiovascular protective effects of angiotensin receptor blocker (ARB) remain controversial in type 2 diabetic patients treated with a contemporary regimen including an angiotensin converting enzyme inhibitor (ACEI). METHODS We examined the effects of olmesartan, an ARB, on primary composite outcome of doubling of serum creatinine, endstage renal disease and death in type 2 diabetic patients with overt nephropathy. Secondary outcome included composite cardiovascular outcomes, changes in renal function and proteinuria. Randomisation and allocation to trial group were carried out by a central computer system. Participants, caregivers, the people carrying out examinations and people assessing the outcomes were blinded to group assignment. RESULTS Five hundred and seventy-seven (377 Japanese, 200 Chinese) patients treated with antihypertensive therapy (73.5% [n = 424] received concomitant ACEI), were given either once-daily olmesartan (10-40 mg) (n = 288) or placebo (n = 289) over 3.2 ± 0.6 years (mean±SD). In the olmesartan group, 116 developed the primary outcome (41.1%) compared with 129 (45.4%) in the placebo group (HR 0.97, 95% CI 0.75, 1.24; p = 0.791). Olmesartan significantly decreased blood pressure, proteinuria and rate of change of reciprocal serum creatinine. Cardiovascular death was higher in the olmesartan group than the placebo group (ten vs three cases), whereas major adverse cardiovascular events (cardiovascular death plus non-fatal stroke and myocardial infarction) and all-cause death were similar between the two groups (major adverse cardiovascular events 18 vs 21 cases, all-cause deaths; 19 vs 20 cases). Hyperkalaemia was more frequent in the olmesartan group than the placebo group (9.2% vs 5.3%). CONCLUSIONS/INTERPRETATION Olmesartan was well tolerated but did not improve renal outcome on top of ACEI. TRIAL REGISTRATION ClinicalTrials.gov NCT00141453.
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Affiliation(s)
- E. Imai
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa-ku, Nagoya, Aichi 466-8550 Japan
| | - J. C. N. Chan
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, 30-32 Ngan Shing Street, Shatin, Hong Kong, SAR China
| | - S. Ito
- Division of Nephrology, Endocrinology, and Vascular Medicine, Department of Clinical Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | | | | | - M. Haneda
- Second Department of Medicine, Asahikawa University of Medical Science, Asahikawa, Japan
| | - H. Makino
- Department of Medicine, Clinical Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Kansui Y, Ohtsubo T, Goto K, Oniki H, Yamasaki T, Fukuhara M, Ohta Y, Matsumura K. Association of body mass index with glomerular filtration rate in Japanese: a cross-sectional study in work-site population. Clin Exp Hypertens 2011; 34:140-4. [PMID: 21967021 DOI: 10.3109/10641963.2011.601378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
It has been shown that aging and hypertension are important risk factors to promote renal damage. However, little data are available on the effect of obesity on the progression of renal damage, especially in young and middle-aged individuals. The aim of this study was to determine the association between body mass index (BMI) and renal function evaluated by estimated glomerular filtration rate (eGFR) in Japanese men. We studied the cross-sectional association of BMI with eGFR in 3872 Japanese men in a work-site population (18-64 y; mean age 42.1 ± 0.2 y). Estimated glomerular filtration rate was calculated by a novel equation for Japanese men. Estimated glomerular filtration rate was negatively correlated with age, systolic blood pressure (SBP), hemoglobin A1c (HbA1c), and BMI. We performed multiple regression analysis, controlling for factors, such as SBP, low-density lipoprotein-cholesterol, gamma-glutamyl transpeptidase, age, HbA1c, and uric acid. The association between age and eGFR was highly statistically significant. In addition, BMI was still significantly associated with eGFR independently of SBP. Moreover, mean eGFR, which was adjusted for age, SBP, HbA1c, serum uric acid, and gamma-glutamyl transpeptidase, decreased from 88.9 mL/min/1.73 m(2) in the first quartile of BMI to 87.5 mL/min/1.73 m(2) in the second, 86.9 mL/min/1.73 m(2) in the third, and 85.9 mL/min/1.73 m(2) in the fourth quartile (test for trend, P < .0001). These results show that a close relationship is present between obesity and decreased eGFR in Japanese men. Keeping appropriate body weight, in addition to appropriate blood pressure, in young and middle age may be important to prevent renal damage in older age.
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Affiliation(s)
- Yasuo Kansui
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Fukuoka, Japan
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Endo H, Akishinonomiya F, Yonezawa T, Hasegawa M, Rakotondraparany F, Sasaki M, Taru H, Yoshida A, Yamasaki T, Itou T, Koie H, Sakai T. Coxa Morphologically Adapted to Large Egg in Aepyornithid Species Compared with Various Palaeognaths. Anat Histol Embryol 2011; 41:31-40. [DOI: 10.1111/j.1439-0264.2011.01100.x] [Citation(s) in RCA: 3] [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: 11/29/2022]
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48
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Yamasaki T, Horie S, Ogata K, Tobimatsu S. P1-28 Aging of the parallel visual pathways in humans. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60441-5] [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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49
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Fujita T, Kamio Y, Yamasaki T, Yasumoto S, Hirose S, Tobimatsu S. P27-11 Neural basis of abnormal face perception at a preattentive level in autism spectrum disorders. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)61084-x] [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: 11/24/2022]
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50
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Horie S, Yamasaki T, Hironaga N, Okamoto T, Ogata K, Tobimatsu S. P8-25 Differential effects of spatial frequency on the processing of Japanese Kanji and Kana: An MEG analysis. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60628-1] [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: 10/18/2022]
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