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Hara T, Hatano M, Saito A, Minatsuki S, Maki H, Amiya E, Hosoya Y, Nagayama K, Sato M, Anraku M, Nakajima J, Komuro I. PROGNOSTIC FACTORS FOR PATIENTS WITH SEVERE PULMONARY ARTERIAL PULMONARY HYPERTENSION DIAGNOSED AS REQUIRING LUNG TRANSPLANTATION. Chest 2019. [DOI: 10.1016/j.chest.2019.02.313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Itoda Y, Sato M, Thuita L, NIikawa H, Ayyat K, Okamoto T, Farver C, Zhang A, Budev M, Balckstone E, McCurry K. Impact for Survival and Chronic Lung Allograft Dysfunction of ISHLT Consensus of Antibody Mediated Rejection after Lung Transplantation. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.1031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Koga Y, Tsurumaki H, Aoki-Saito H, Sato M, Yatomi M, Takehara K, Hisada T. Roles of Cyclic AMP Response Element Binding Activation in the ERK1/2 and p38 MAPK Signalling Pathway in Central Nervous System, Cardiovascular System, Osteoclast Differentiation and Mucin and Cytokine Production. Int J Mol Sci 2019; 20:ijms20061346. [PMID: 30884895 PMCID: PMC6470985 DOI: 10.3390/ijms20061346] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 03/08/2019] [Accepted: 03/13/2019] [Indexed: 11/26/2022] Open
Abstract
There are many downstream targets of mitogen-activated protein kinase (MAPK) signalling that are involved in neuronal development, cellular differentiation, cell migration, cancer, cardiovascular dysfunction and inflammation via their functions in promoting apoptosis and cell motility and regulating various cytokines. It has been reported that cyclic AMP response element-binding protein (CREB) is phosphorylated and activated by cyclic AMP signalling and calcium/calmodulin kinase. Recent evidence also points to CREB phosphorylation by the MAPK signalling pathway. However, the specific roles of CREB phosphorylation in MAPK signalling have not yet been reviewed in detail. Here, we describe the recent advances in the study of this MAPK-CREB signalling axis in human diseases. Overall, the crosstalk between extracellular signal-related kinase (ERK) 1/2 and p38 MAPK signalling has been shown to regulate various physiological functions, including central nervous system, cardiac fibrosis, alcoholic cardiac fibrosis, osteoclast differentiation, mucin production in the airway, vascular smooth muscle cell migration, steroidogenesis and asthmatic inflammation. In this review, we focus on ERK1/2 and/or p38 MAPK-dependent CREB activation associated with various diseases to provide insights for basic and clinical researchers.
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Braga e Silva S, Sato M, Raga A. Uso de extratos naturais no controle de insetos, com ênfase em moscas-das-frutas (Diptera: Tephritidae). ACTA ACUST UNITED AC 2019. [DOI: 10.31368/1980-6221v81a10002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Niibo M, Shirouchi B, Umegatani M, Morita Y, Ogawa A, Sakai F, Kadooka Y, Sato M. Probiotic Lactobacillus gasseri SBT2055 improves insulin secretion in a diabetic rat model. J Dairy Sci 2018; 102:997-1006. [PMID: 30471910 DOI: 10.3168/jds.2018-15203] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 09/18/2018] [Indexed: 01/16/2023]
Abstract
The probiotic Lactobacillus gasseri SBT2055 (LG2055) has a protective effect against metabolic syndrome in rats and humans. Metabolic syndrome increases the risk of type 2 diabetes mellitus. In this study, Goto-Kakizaki rats were used as a diabetic model and fed diets containing LG2055-fermented or nonfermented skim milk for 4 wk. Indices of diabetes such as blood glucose levels, serum glucagon levels, plasma levels of insulin, C-peptide, and glucagon-like peptide-1, tissue glycogen contents, and pancreatic mRNA levels were measured. The plasma C-peptide levels and pancreatic mRNA levels of insulin genes (Ins1 and Ins2) and Pdx1 (a transcriptional factor of insulin genes) were increased in LG2055 diet-fed rats. The increase in insulin secretion corresponded to an improvement in serum and pancreatic inflammatory status, associated with decreases in serum levels of serum amyloid P and pancreatic levels of granulocyte colony-stimulating factor. Insulin resistance in Goto-Kakizaki rats was ameliorated by increased glycogen storage in the liver and quadriceps femoris muscles and decreased serum free fatty acid levels. This improvement may be related to the increased cecal production of short-chain fatty acids. In conclusion, dietary LG2055 improved insulin secretion in diabetic rats by improving the inflammatory status in the pancreas and serum.
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Kiuchi Z, Ogura M, Sato M, Kamei K, Ishikura K, Abe J, Ito S. No preventive or therapeutic efficacy of infliximab against macrophage activation syndrome due to systemic juvenile idiopathic arthritis. Scand J Rheumatol 2018; 48:246-248. [PMID: 30406708 DOI: 10.1080/03009742.2018.1493745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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57
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Yogo N, Hase T, Kasama T, Hatta T, OZAWA N, Sato M, Kaji N, Tokeshi M, Baba Y, Hasegawa Y. Development of the immuno-wall device for rapid detection of ALK and ROS1 fusions in lung cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy441.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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58
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Terada Y, Takahashi T, Nitadori J, Kitano K, Nagayama K, Anraku M, Sato M, Shinozaki-Ushiku A, Morita S, Nakajima J. P3.16-43 Is Sublobar Resection for Stage I Invasive Adenocarcinoma (≤2-cm) Feasible? J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Karasaki T, Kitano K, Nagayama K, Nitadori J, Sato M, Anraku M, Kakimi K, Nakajima J. MA19.05 Difference of Tumor Mutational Burden Is Associated with Distinct Immune Microenviroment in the T Cell-Inflamed Lung Adenocarcinoma. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kasuga I, Maezawa H, Gamo S, Yokoe Y, Yanagihara Y, Yoshino H, Sato Y, Imazeki E, Sakano Y, Takahashi D, Sato M, Wakabayashi K, Otsubo O. P1.14-15 Prevalence of Mediastinal Tumors Using Low-Dose Spiral Computed Tomography in Healthy Population. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Nitadori J, Sato M, Kitano K, Nagayama K, Anraku M, Nakajima J. P1.16-45 Thoracoscopic Stapler-Based Complex Segmentectomy Assisted by Virtual Assisted Lung Mapping. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Takahara N, Nakai Y, Saito K, Sato M, Ooyama H, Kanai S, Suzuki T, Sato T, Hakuta R, Ishigaki K, Takeda T, Mizuno S, Kogure H, Tada M, Koike K. Nomograms predicting survival of patients with advanced or recurrent biliary tract cancer receiving a first-line chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy282.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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63
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Aoki M, Umehara T, Kamimura G, Tokunaga T, Nagata T, Takeda A, Yokomakura N, Kariatsumari K, Yanagi M, Sato M. P2.01-08 Conversion Surgery for Locally Advanced Lung Adenocarcinoma Harboring Driver Gene Mutation After TKI Followed by Cytotoxic Agent. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Miyazawa A, Ito S, Asano S, Tanaka I, Sato M, Kondo M, Hasegawa Y. P1.03-18 Mechanobiology of Lung Cancer Cells: Regulation of PD-L1 Expression by Matrix Stiffness. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Iwata K, Sato M, Matsumoto I, Shimura T, Yumoto K, Negami A, Mio Y. Deep learning based on images of human embryos obtained from high-resolusion time-lapse cinematography for predicting good-quality embryos. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.615] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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66
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Aoyanagi H, Sakata Y, Nochioka K, Shiroto T, Oikawa T, Abe R, Kasahara S, Sato M, Takahashi J, Miyata S, Shimokawa H. P1801Impact of temporal changes in left ventricular ejection fraction in patients at risk for heart failure. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kimura Y, Nakano M, Sakata Y, Nochioka K, Hasebe Y, Abe R, Chiba T, Fukasawa K, Oikawa T, Kasahara S, Miki K, Sato M, Shiroto T, Miyata S, Shimokawa H. 4376Clinical impacts of wide ORS morphologies on deterioration of left ventricular ejection fraction and fatal arrhythmias in patients with relatively preserved left ventricular ejection function. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.4376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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68
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Furuichi Y, Kageyama S, Adachi S, Sato M, Morita T, Shimizu J, Tanabe K, Sakamoto A. Inhaled nitric oxide in adult cardiovascular surgery patients - our 5-years experiences -. J Cardiothorac Vasc Anesth 2018. [DOI: 10.1053/j.jvca.2018.08.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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69
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Kawashima M, Sato M, Murakawa T, Anraku M, Konoeda C, Hosoi A, Kakimi K, Nakajima J. Role of Toll-like Receptor 4 Expressed by Fibroblasts in Allograft Fibrosis in Mouse Orthotopic Tracheal Transplantation. Transplant Proc 2018; 50:3863-3872. [PMID: 30577279 DOI: 10.1016/j.transproceed.2018.06.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 05/25/2018] [Accepted: 06/21/2018] [Indexed: 12/16/2022]
Abstract
Development of chronic lung allograft dysfunction involves various alloimmune-independent insults including those mediated by Toll-like receptor (TLR) signaling, which is known to activate alloimmune responses. We hypothesized that TLR signaling may also contribute to the activation of fibroblasts and promoting allograft airway fibrosis. Mouse orthotopic tracheal transplants were conducted between major histocompatibility complex (MHC)-mismatched Balb/c donor and wild-type C3H or C3H-derived TLR4 mutant recipients (nonfunctional TLR4). Immunohistochemistry on day 21 showed significantly smaller alpha-smooth muscle actin (α-SMA)-positive areas in TLR4 mutant recipients than wild-type recipients (P = .01). No difference was found for CD3+ T-cell infiltration. Proliferation of alloreactive T cells derived from the recipient spleen showed no difference between TLR4 mutant and wild-type recipients in a mixed lymphocyte reaction. The effect of TLR4 signaling was examined in primary pulmonary fibroblast cultures both with lipopolysaccharide (LPS) and transforming growth factor (TGF)-β1. Stimulation with LPS significantly increased expression of α-SMA mRNA in wild-type fibroblasts cultured with TGF-β1 compared with the control without LPS (P = .001). Taken together, these findings suggest disruption of TLR signaling leads to reduced activation of fibroblasts without affecting T-cell infiltration and proliferation in this model. TLR4-mediated activation of fibroblasts may be a potentially important mechanism of allograft remodeling.
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Kaneko M, Sato M, Ogasawara K, Imamura T, Hashimoto K, Momoi N, Hosoya M. Serum cytokine concentrations, chorioamnionitis and the onset of bronchopulmonary dysplasia in premature infants. J Neonatal Perinatal Med 2018; 10:147-155. [PMID: 28409755 DOI: 10.3233/npm-171669] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To investigate the relationships between serum cytokine concentrations and chorioamnionitis (CAM) and CAM-related bronchopulmonary dysplasia (BPD) in premature infants. METHODS Serum was collected at 0 and 7 days after birth from 36 premature infants born at <32 weeks of gestation. We examined the relationships between 30 cytokine concentrations and CAM, BPD, and other perinatal factors. RESULTS On day 0, GM-CSF, IL-15, IL-17, IL-2, IL-2R, VEGF, and MIG concentrations were significantly higher in the CAM group (n = 17) than in the non-CAM group (n = 19). These concentrations had decreased by day 7 and were similar in both groups. The IL-12p70 concentration on day 0 was significantly lower in the BPD group (n = 16) than in the non-BPD group (n = 15). BPD incidence was similar between the CAM and non-CAM groups. CONCLUSIONS These data support the hypothesis that intrauterine inflammation is not a primary risk factor for BPD. The immunological environment at birth or soon after, rather than intrauterine fetal inflammation (e.g., CAM), is a primary risk factor for BPD onset in preterm infants. Decreased inflammatory responses are particularly relevant, as indicated by the relationship between BPD and low serum IL-12p70 concentrations on day 0.
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Saida K, Kamei K, Ogura M, Matsumura S, Kano Y, Sato M, Andoh A, Ishikura K. Azathioprine-induced Agranulocytosis and Severe Alopecia After Kidney Transplantation Associated With a NUDT15 Polymorphism: A Case Report. Transplant Proc 2018; 50:3925-3927. [PMID: 30577288 DOI: 10.1016/j.transproceed.2018.04.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 04/12/2018] [Indexed: 01/17/2023]
Abstract
BACKGROUND Azathioprine (AZA) is the drug recommended for the continuation of immunosuppressive treatment after renal transplant in women during pregnancy. CASE REPORT A 37-year-old Japanese female developed agranulocytosis and severe alopecia after initiation of AZA (50 mg), used as an alternative to mycophenolate mofetil (MMF, 1000 mg) therapy in anticipation of a planned pregnancy. Within 4 days of the initiation of AZA therapy, the patient developed a high fever, leucopenia, and cranial alopecia. Genetic testing revealed a homozygous polymorphism of NUDT15 (rs116855232, NM_018283.3:c.415C>T: p.Arg139Cys), which has previously been identified as a risk factor for AZA-related complications in patients with inflammatory bowel disease. CONCLUSION Genetic screening for NUDT15 could contribute to the prevention of serious adverse reactions to AZA and provide the opportunity for personalized medicine. Identification of a safe alternative to MMF during pregnancy after a renal transplant is a problem to be resolved in the future.
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Sato M, Uematsu M, Hama Y, Kondo M, Kutsuki S, Shigematsu N, Ando Y, Kusano S, Kubo A. Low-Dose Induction Radiotherapy for Stomach Conservation in Patients with Massive Gastric Lymphoma. TUMORI JOURNAL 2018; 86:286-8. [PMID: 11016705 DOI: 10.1177/030089160008600405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Low-dose induction radiotherapy was performed in 4 patients with massive gastric lymphoma in order to treat the disease without gastrectomy. Following the radiotherapy, gastric lesions had shrunk considerably without any complications. Standard chemotherapy and/or radiotherapy could then be performed safely, and stomach conservation could be achieved in all 4 patients.
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Koutsokera A, Benden C, Cantu E, Chambers D, Cypel M, Edelman J, Emtiazjoo A, Fisher A, Greenland J, Hayes D, Hwang D, Keller B, Lease E, Perch M, Sato M, Todd J, Verleden S, von der Thüsen J, Weight S, Keshavjee S, Martinu T. Bronchoalveolar Lavage Practices in Lung Transplantation: Results of a Large-scale International Survey. J Heart Lung Transplant 2018. [DOI: 10.1016/j.healun.2018.01.482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Sato M, Mochizuki H, Goto-Koshino Y, Fujiwara-Igarashi A, Takahashi M, Ohno K, Tsujimoto H. Prognostic significance of hypermethylation of death-associated protein kinase (DAPK) gene CpG island in dogs with high-grade B-cell lymphoma. Vet Comp Oncol 2018. [DOI: 10.1111/vco.12395] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Sato M, Terai S, Tachikawa H, Maeda H, Yamamoto M, Tomioka N, Watanabe K, Takahashi M. Abstract P1-07-13: Obesity is associated with poor prognosis of Japanese breast cancer, especially in ER positive/HER2 negative subtype, which tendency is prominent. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p1-07-13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction: Body mass index (BMI) is defined as a poor prognostic factor in breast cancer patients in western countries. Since the percentage of the overweight differs between Asian and western breast cancer patients, we do not know if breast cancer prognosis in Asia is related to obesity, the same as in western countries. Therefore, we have investigated the association between BMI and the prognosis of Japanese breast cancer patients.
Patients and Methods: This study is a retrospective analysis of the 1,924 primary Japanese female breast cancer patients with clinical stage I through III disease to have undergone surgery between January 2004 and December 2013 at the Hokkaido Cancer Center. The data of BMI were at the time of diagnosis, and stratified into 2 groups as non-Obese (BMI < 25 kg/m2), Obese (BMI ≥ 25 kg/m2). The overall survival (OS) and disease-free survival (DFS) were compared between two BMI groups using the Kaplan-Meier method and Cox hazards model.
Results: The number of non-Obese group was 1,353 (70.3%) and Obese group was 571 (29.7%) of the 1,924 patients. Six hundred and thirty two patients were in premenopausal (32.8%), 1,289 were in postmenopausal (67.0%) and 3 were unknown. The median follow-up period was 73 months. Breast cancer recurred in 239 patients (12.2%), and 204 patients died. There were 110 cases of breast cancer-related death, 48 cases of non-breast cancer death, and 46 cases of unknown as the cause of death. Patients in Obese group had shown significantly poorer OS (adjusted hazard ratio (HR) = 1.68, 95% confidence interval (CI) = 0.45 to 0.79) and DFS (HR = 1.46, 95% CI = 1.16 to 1.82). As investigating by subtype analysis, a high BMI in ER positive/HER2 negative patients was associated with a significantly worse OS (HR = 2.04, 95% CI = 1.42 to 2.92) and significantly worse DFS (HR = 1.61, 95% CI = 1.23 to 2.11). On the other hand, there was no significant interaction found between the BMI and OS or DFS in ER negative/HER2 negative patients and HER2 positive patients. Subsequently, when analysis was limited to ER positive HER2 negative, there was a difference in the degree of association between obesity and prognosis due to the difference in menopause status. In premenopausal patients with ER positive/HER2 negative cancer, Obese group had significantly poorer OS (HR = 2.83, 95%CI = 1.32 to 5.88) and significantly poorer DFS (HR = 2.41, 95%CI = 1.41 to 3.99). In postmenopausal patients, Obese group patients had significantly poorer OS (HR = 1.71, 95%CI = 1.11 to 2.58) and poorer DFS (HR = 1.35, 95%CI = 0.98 to 1.86), however. The relevance was not so large compared with that in premenopausal patients.
Conclusion: Among Japanese breast cancer patients, Obese (BMI ≥ 25 kg/m2) was one of poor prognostic factors. Specifically, obesity was associated as an extremely strong prognostic factor in ER positive/HER2 negative premenopausal patients. Since hormone therapy has been practiced in almost all ER positive breast cancers, the relationship between hormonal therapy susceptibility and obesity is noticed not only in western patients but also in Asian patients.
Citation Format: Sato M, Terai S, Tachikawa H, Maeda H, Yamamoto M, Tomioka N, Watanabe K, Takahashi M. Obesity is associated with poor prognosis of Japanese breast cancer, especially in ER positive/HER2 negative subtype, which tendency is prominent [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P1-07-13.
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Sato M, Noda T, Sugiyama N, Yoshihama F, Miyake M, Ito H. Characteristics of aggression among psychiatric inpatients by ward type in Japan: Using the Staff Observation Aggression Scale - Revised (SOAS-R). Int J Ment Health Nurs 2017; 26:602-611. [PMID: 27445160 DOI: 10.1111/inm.12228] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 02/14/2016] [Accepted: 03/16/2016] [Indexed: 12/01/2022]
Abstract
Aggressive behaviour by psychiatric patients is a serious issue in clinical practice, and adequate management of such behaviour is required, with careful evaluation of the factors causing the aggression. To examine the characteristics of aggressive incidents by ward type, a cross-sectional descriptive study was conducted for 6 months between April 2012 and June 2013 using the Staff Observation Aggression Scale - Revised, Japanese version (SOAS-R) in 30 wards across 20 Japanese psychiatric hospitals. Participating wards were categorized into three types based on the Japanese medical reimbursement system: emergency psychiatric, acute psychiatric, and standard wards (common in Japan, mostly treating non-acute patients). On analyzing the 443 incidents reported, results showed significant differences in SOAS-R responses by ward type. In acute and emergency psychiatric wards, staff members were the most common target of aggression. In acute psychiatric wards, staff requiring patients to take medication was the most common provocation, and verbal aggression was the most commonly used means. In emergency psychiatric wards, victims felt threatened. In contrast, in standard wards, both the target and provocation of aggression were most commonly other patients, hands were used, victims reported experiencing physical pain, and seclusion was applied to stop their behaviour. These findings suggest that ward environment was an important factor influencing aggressive behaviour. Ensuring the quality and safety of psychiatric care requires understanding the characteristics of incidents that staff are likely to encounter in each ward type, as well as implementing efforts to deal with the incidents adequately and improve the treatment environment.
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Watanabe S, Tanaka H, Nozaki K, Sato M, Arita M, Mishina Y, Shoji S, Ichikawa K, Kondo R, Sakagami T, Koya T, Kikuchi T. P2.07-007 Retrospective Analysis of Antitumor Effects and Biomarkers of Nivolumab in NSCLC Patients with EGFR Mutations. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.11.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Karasaki T, Nagayama K, Fukumoto K, Kitano K, Nitadori J, Sato M, Anraku M, Hosoi A, Matsushita H, Kakimi K, Nakajima J. P1.07-017 Assessment of Cancer Immunity Status in Each Patient Using Immunogram. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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79
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Yogo N, Hase T, Kasama T, Ozawa N, Sato M, Kaji N, Tokeshi M, Baba Y, Hasegawa Y. Development of the immuno-wall device for rapid, low-cost detection of EGFR mutations in tumor samples from patients with lung cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx672.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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80
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Tokunaga T, Takeda A, Watanabe Y, Umehara T, Suzuki S, Kamimura G, Maeda K, Aoki M, Nagata T, Otsuka T, Yokomakura N, Kariatsumari K, Sakasegawa K, Nakamura Y, Yanagi M, Sato M. P2.16-004 Alternative Subpreural Lymph Flow Pathways in Human Lung – a Hundred Cases Experience and Analysis. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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81
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Sato M, Kakumu T, Goto D, Kato T, Yogo N, Hase T, Morise M, Fukui T, Yokoi K, Sekido Y, Girard L, Minna J, Byers L, Heymach J, Coombes K, Kondo M, Hasegawa Y. P3.03-013 Identification of Proteosomal Catalytic Subunit PSMA6 as a Therapeutic Target for Lung Cancer through a Pooled shRNA Screen. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Hisanaga Y, Suzuki E, Aoki H, Sato M, Saito A, Saito A, Azuma T. Effect of the combined use of enamel matrix derivative and atelocollagen sponge scaffold on osteoblastic differentiation of mouse induced pluripotent stem cells in vitro. J Periodontal Res 2017; 53:240-249. [PMID: 29044527 DOI: 10.1111/jre.12511] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND AND OBJECTIVE Induced pluripotent stem cells (iPSCs) are a candidate cell source in periodontal regenerative therapy. Enamel matrix derivative (EMD) has been shown to regenerate periodontal tissues, and atelocollagen sponge (ACS) is considered a suitable scaffold or carrier for growth factors. This study aimed to investigate the effect of combined use of EMD and an ACS scaffold on cell behaviors and differentiation of mouse iPSCs (miPSCs) in vitro. MATERIAL AND METHODS Following embryonic body formation from miPSCs, dissociated cells (miPS-EB-derived cells) were seeded onto ACS with or without EMD, and cultured in osteoblast differentiation medium. Scanning electron microscopy and histological analyses were used to assess cell morphology and infiltration within the ACS. Cell viability (metabolism) was determined using an MTS assay, and expression of mRNA of osteoblastic differentiation markers was assessed by quantitative RT -PCR. Alkaline phosphatase (ALP) staining intensity and activity were evaluated. Mineralization was assessed by von Kossa staining, and calcium content was quantitated using the methylxylenol blue method. RESULTS By 24 hours after seeding, miPS-EB-derived cells in both the EMD and control groups had attached to and infiltrated the ACS scaffold. Scanning electron microscopy images revealed that by day 14, many cytoplasmic protrusions and extracellular deposits, suggestive of calcified matrix, were present in the EMD group. There was a time-dependent increase in cell viability up to day 3, but no difference between groups was observed at any time point. The levels expressed of ALP and osterix genes were significantly higher in the EMD group than in the control group. Expression of runt-related transcription factor 2 was increased in the EMD group compared with the control group on day 7. EMD upregulated the expression of bone sialoprotein and osteopontin on day 14, whereas expression of osteocalcin was lower at all time points. The staining intensity and activity of ALP were higher in the EMD group than in the control group. Mineralization levels and calcium contents were significantly higher in the EMD group throughout the observation period. CONCLUSION These data suggest that combining ACS with EMD increases levels of osteoblastic differentiation and mineralization in miPS-EB-derived cells, compared with ACS used alone.
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Iwasaki M, Yoshihara A, Sato N, Sato M, Minagawa K, Shimada M, Nishimuta M, Ansai T, Yoshitake Y, Ono T, Miyazaki H. A 5-year longitudinal study of association of maximum bite force with development of frailty in community-dwelling older adults. J Oral Rehabil 2017; 45:17-24. [PMID: 28965370 DOI: 10.1111/joor.12578] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/26/2017] [Indexed: 11/30/2022]
Abstract
To determine whether maximum bite force (MBF), an objective measure of oral function, is associated with development of frailty in community-dwelling older adults. This prospective cohort study included community-dwelling Japanese adults aged 75 years at baseline (n = 322). Baseline MBF was measured using an electronic recording device (Occlusal Force-Meter GM10). Follow-up examinations, including physical fitness and anthropometric evaluation and structured questionnaires, were administered annually over a 5-year period to determine the incidence of frailty, which was defined by the presence of 3 or more of the following 5 components derived from the Cardiovascular Health Study: low level of mobility, low physical activity level, weakness, shrinking and poor endurance and energy. Adjusted hazard ratios (HRs) of incidence of frailty according to sex-stratified tertiles of baseline MBF were calculated using Cox proportional hazards regression models. During the follow-up, 49 participants (15.2%) developed frailty. Participants in the lower tertile of MBF exhibited a significantly greater risk of frailty than those in the upper tertile. After adjustment for sex, depression, diabetes and Eichner index, the adjusted HRs for frailty in the upper through lower tertiles of MBF were 1.00 (reference), 1.27 (95% confidence interval [CI]: 0.50-3.20) and 2.78 (95% CI: 1.15-6.72), respectively (P for trend = .01). Poor oral function, as indicated by low MBF, increases the risk of development of frailty among elderly men and women.
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Hino H, Nishimura T, Sano A, Yoshida Y, Fukami T, Furuhata Y, Tanaka M, Karasaki T, Takahashi T, Kawashima M, Kuwano H, Nagayama K, Nitadori J, Anraku M, Sato M, Nakajima J. P-153PROGNOSTIC IMPACT ON LUNG CANCER SURGERY IN OCTOGENARIANS: A JAPANESE MULTICENTRE RETROSPECTIVE ANALYSIS. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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85
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Takahashi T, Nitadori J, Morita S, Kawashima M, Kuwano H, Nagayama K, Anraku M, Shinozaki-Ushiku A, Sato M, Fukayama M, Nakajima J. P-185IS SUBLOBAR RESECTION FOR STAGE I INVASIVE ADENOCARCINOMA (≤2 CM) WITH SOLID HISTOLOGICAL SUBTYPE ENOUGH FOR CURE? Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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86
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Endo S, Ikeda N, Kondo T, Nakajima J, Kondo H, Yokoi K, Chida M, Toyooka S, Sato M, Sato Y, Okada Y, Yoshida K, Okada M, Okumura M, Chihara K, Miyata H. O-056A LUNG CANCER SURGERY RISK MODEL OF 78 594 CASES FROM 2014 TO 2015 IN A JAPANESE NATIONWIDE WEB-BASED DATABASE. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Sato M, Miyazaki D, Shiba Y, Echigoya Y, Yokota T, Aoki Y, Takeda S, Nakamura A. The exon 45 skipping therapy of induced pluripotent stem cells derived cardiomyocyte from the DMD patient with exon 46-55 deletion. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Inukai Y, Iwase S, Sato M, Sugenoya J. A possible significance of physiological gustatory sweating induced by trpv1 activation: Speculated by investigating a case with hemifacial gustatory sweating disorder. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Miyazaki D, Sato M, Shiba Y, Echigoya Y, Yokota T, Aoki Y, Takeda S, Nakamura A. Dystrophin-deficient cardiomyocyte derived from Duchenne Muscular Dystrophy specific induced pluripotent stem cells carrying the deletion of exon 46-55 in DMD gene. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Tamura T, Sakai D, Sugimoto N, Tokunaga S, Tsuji A, Ishida H, Otsu S, Moriwaki T, Satake H, Uchino K, Matsumoto S, Baba E, Sato M, Taniguchi H, Kishimoto J, Boku N, Hyodo I, Muro K. Predictive value of primary tumor location: Results from randomized phase II study of panitumumab + irinotecan versus cetuximab + irinotecan in patients with KRAS exon2 wild-type metastatic colorectal cancer (WJOG6510G). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx393.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Sato M, Veir JK, Legare M, Lappin MR. A Retrospective Study on the Safety and Efficacy of Leflunomide in Dogs. J Vet Intern Med 2017; 31:1502-1507. [PMID: 28833582 PMCID: PMC5598884 DOI: 10.1111/jvim.14810] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 04/19/2017] [Accepted: 07/19/2017] [Indexed: 12/18/2022] Open
Abstract
Background Little clinical information is available concerning the use of leflunomide in dogs with immune‐mediated diseases. Objectives To report the safety and efficacy of leflunomide for the treatment of naturally occurring immune‐mediated diseases in dogs. Animals Ninety‐two dogs treated with leflunomide for management of suspected immune‐mediated diseases. Methods Retrospective medical record review from Jan 1995 to Dec 2014. Data that were extracted from the medical records included signalment, body weight, underlying indication for leflunomide, dosage of leflunomide, treatment duration, concurrent medications, treatment response, and adverse events. Results Adverse events that could be related to leflunomide administration included diarrhea (3 of 92, 3.3%), lethargy (2 of 92, 2.2%), unexplained hemorrhage (3 of 92, 3.3%), thrombocytopenia (2 of 31, 6.5%), and increased liver enzyme activities (1 of 16, 6.3%). Significant dose differences between dogs with adverse events (n = 11; median, 2.9 mg/kg/d; range, 1.8–3.6 mg/kg/d) and dogs without adverse events (n = 81; median, 1.6 mg/kg/d; range, 0.8–4.3 mg/kg/d) were found (P < 0.001). Treatment response could be evaluated in 17 dogs. Of these 17 dogs, 12 dogs (70.5%) had an apparent positive response to the use of leflunomide. There was no significant difference (P = 0.22) in dosages between dogs that responded to leflunomide (n = 12; median, 1.9 mg/kg/d; range, 1.0–3.5 mg/kg/d) and those that did not respond (n = 5; median, 1.7 mg/kg/d; range, 1.0–2.0 mg/kg/d). Conclusions and Clinical Importance Results suggest that the starting dosage of leflunomide should be 2 mg/kg/d rather than the currently suggested dosage of 3–4 mg/kg/d.
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Ottensooser F, Leon N, Sato M. Individual Differences within the B Group Detected by Lectins. Vox Sang 2017. [DOI: 10.1159/000460801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Sato T, Kishi S, Fuse K, Fujita S, Ikeda Y, Kitazawa H, Takahashi M, Sato M, Okabe M, Aizawa Y. P4447The effect of sodium glucose cotransporter-2 inhibitors, dapagliflozin treatment on epicardial adipose tissue volume. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Nagasaka T, Funada R, Umeyama A, Sato M, Takama N, Kurabayashi M. P870Long-term outcome of hemodialysis patients after deferral revascularization based on functional flow reverse. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx501.p870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Hatayama Y, Aoki M, Kawaguchi H, Hirose K, Sato M, Akimoto H, Tanaka M, Fujioka I, Ichise K, Ono S, Takai Y. Clinical Results of Accelerated Hypofractionated Radiotherapy for Central-Type Small Lung Tumours. Curr Oncol 2017; 24:e285-e289. [DOI: 10.3747/co.24.3500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Purpose: We evaluated the efficacy and toxicity of accelerated hypofractionated radiotherapy (AHYPOF-RT) for central-type small lung tumours. Methods: Between November 2006 and January 2015, 40 patients with central-type small lung tumours underwent AHYPOF-RT delivered using 10 MV X-rays and a coplanar 3-field technique. The number of fractions ranged from 24 to 28, with a fraction size of 2.5–3 Gy. A total dose of 69–75 Gy to the isocentre of the planning target volume was administered to each patient. Cumulative survival and local control rates were calculated using the Kaplan–Meier method. Results: The 27 men and 13 women enrolled in the study had a median age of 79 years (range: 60−87 years). The tumour stage was T1a in 9 patients, T1b in 17 patients, and T2a in 14 patients, with a median size of 26.5 cm (range: 11–49 cm). The median follow-up period was 23 months. A complete response was achieved in 3 patients (7.5%), and a partial response, in 17 patients (42.5%). The overall 2-year and 3-year local control rates were 87.3% and 81.8% respectively; the 2-year and 3-year overall survival rates were 78.9% and 66.7% respectively. Grade 3 pneumonitis occurred in 3 patients; no other severe adverse events (≥grade 3) were observed in any patient. Conclusions: Accelerated hypofractionated radiotherapy using a fraction size of 2.5–3 Gy was highly safe and can be a more effective treatment option than conventional radiotherapy for patients with central-type small lung tumours.
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Higuchi M, Santos M, Ikegami R, Oiliveira L, Sato M, Bonsenor I, Lotufo P. P5570Worse outcome after acute myocardial infarction is related to archaeal microparticles and their exosomes. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kasahara S, Sakata Y, Nochioka K, Tsuji K, Abe R, Oikawa T, Sato M, Shiroto T, Takahashi J, Miyata S, Shimokawa H. P3384Development of a simple risk score to predict mortality of patients with chronic heart failure with preserved ejection fraction. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p3384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Sato M, Tateishi R, Yasunaga H, Matsui H, Fushimi K, Ikeda H, Yatomi Y, Koike K. Association between hospital volume and in-hospital mortality following radiofrequency ablation for hepatocellular carcinoma. BJS Open 2017; 1:50-54. [PMID: 29951606 PMCID: PMC5989986 DOI: 10.1002/bjs5.9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 05/30/2017] [Indexed: 12/21/2022] Open
Abstract
Background Radiofrequency ablation (RFA) is a minimally invasive treatment for hepatocellular carcinoma (HCC). There is increasing evidence of an association between increasing hospital volume and lower postoperative mortality for many surgical procedures, but this is difficult to establish with minimally invasive treatments, where postoperative mortality is low. The aim of this study was to investigate the relationship between hospital volume and in-hospital mortality following RFA using a Japanese nationwide database. Methods Data from the Diagnostic Procedure Combination database were analysed from 1 July 2010 to 31 March 2012. Multivariable logistic regression was used to analyse the relationship between hospital volume and in-hospital mortality following RFA, with adjustment for patient background. Results Some 36 675 patients with HCC were identified in the database. The overall in-hospital mortality rate from RFA was 0·31 per cent. In-hospital mortality was significantly higher in low-volume than high-volume hospitals (odds ratio 2·57, 95 per cent c.i. 1·61 to 4·09; P < 0·001). Higher in-hospital mortality was significantly associated with older age and a higher Charlson Co-morbidity Index score. Conclusion RFA for HCC was associated with acceptably low mortality in Japan, but in-hospital mortality following RFA was affected by hospital procedural volume.
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Mizukami K, Sato M, Homma T, Natsui H, Kato M, Otsu K, Myojo T, Muto H, Fujita M, Takenaka T. P861Positioning an ECG electrode to the dorsal side can record higher amplitude of diaphragmatic compound motor action potentials (CMAP) during cryoballoon ablation. Europace 2017. [DOI: 10.1093/ehjci/eux151.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Sato M, Ochiai Y, Kijima S, Nagai N, Ando Y, Shikano M, Nomura Y. Quantitative Modeling and Simulation in PMDA: A Japanese Regulatory Perspective. CPT-PHARMACOMETRICS & SYSTEMS PHARMACOLOGY 2017; 6:413-415. [PMID: 28568566 PMCID: PMC5529733 DOI: 10.1002/psp4.12203] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 04/20/2017] [Accepted: 04/21/2017] [Indexed: 12/25/2022]
Abstract
In Japan in October 2016, the Pharmaceuticals and Medical Devices Agency (PMDA) began to receive electronic data in new drug applications (NDAs). These electronic data are useful to conduct regulatory assessment of sponsors’ submissions and contribute to the PMDA's research. In this article, we summarize the number of submissions of quantitative modeling and simulation (M&S) documents in NDAs in Japan, and we describe our current thinking and activities about quantitative M&S in PMDA.
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