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Watanabe S, Urikura A, Ohashi K, Kitera N, Tsuchiya T, Kasai H, Kawai T, Hiwatashi A. Artifact reduction in low and ultra-low dose chest computed tomography for patients with pacemaker: A phantom study. Radiography (Lond) 2024; 30:770-775. [PMID: 38460224 DOI: 10.1016/j.radi.2024.02.019] [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: 11/21/2023] [Revised: 02/06/2024] [Accepted: 02/23/2024] [Indexed: 03/11/2024]
Abstract
INTRODUCTION Implanted pacemakers (PM) would decrease the detection of lung nodules in chest computed tomography (CT) due to the metal artifact. This study aimed to explore the computer-aided diagnosis (CAD) detectability of pulmonary nodules for the patients implanted with PMs in low- and ultra-low-dose chest CT screening. METHODS Four different sizes of artificial nodules were placed in an anthropomorphic chest phantom with two alternative diameters utilized. A commercially available PM was placed on the surface of the left chest wall of the phantom. The image acquisitions were performed with 120 kV and 150 kV with a dedicated selective photon shield made of tin filter (Sn150 kV) at low- and ultra-low- radiation doses (1.0 and 0.5 mGy of volume CT dose index), and reconstructed with and without Iterative Metal Artifact Reduction (iMAR, Siemens Healthineers, Erlangen, Germany). The relative artifact index (AIr) was calculated as an index of metal artifacts, and the nodule detectability was evaluated with a CAD system. RESULTS Sn150 kV reduced AIr in all acquisitions when comparing 120 kV and Sn150 kV. Although PM reduced the detectability of nodules, Sn150 kV showed higher detectability compared to 120 kV. The use of iMAR showed inconsistent results in nodule detectability. CONCLUSION Sn150 kV reduced PM-induced metal artifacts and improved nodule detectability with CAD compared to 120 kV acquisition in many conditions including low and ultra-low doses and large phantoms, but iMAR did not improve the detectability. IMPLICATIONS FOR PRACTICE Based on the results of the current phantom study, low and ultra-low dose with Sn150 kV acquisition reduced PM-induced metal artifacts and improved nodule detectability.
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Affiliation(s)
- S Watanabe
- Department of Radiology, Nagoya City University Hospital, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
| | - A Urikura
- Department of Radiological Technology, Radiological Diagnosis, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
| | - K Ohashi
- Department of Radiology, Nagoya City University Midori Municipal Hospital, 1-77 Shiomigaoka, Midori-ku, Nagoya, Aichi, 458-0037, Japan; Department of Radiology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
| | - N Kitera
- Department of Radiology, Nagoya City University Hospital, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
| | - T Tsuchiya
- Department of Radiology, Nagoya City University Hospital, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
| | - H Kasai
- Department of Radiology, Nagoya City University Hospital, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
| | - T Kawai
- Department of Radiology, Nagoya City University Midori Municipal Hospital, 1-77 Shiomigaoka, Midori-ku, Nagoya, Aichi, 458-0037, Japan; Department of Radiology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
| | - A Hiwatashi
- Department of Radiology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-0001, Japan.
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Hara K, Ujiie A, Suzuki S, Okumura T, Kubo M, Shinozaki H, Yamauchi M, Tsuchiya T, Takebayashi K, Shimozawa N, Koga M, Hashimoto K. Analysis of five cases showing false-high Hemoglobin A1c due to reduced catalase activity. Endocr J 2024; 71:39-44. [PMID: 38030260 DOI: 10.1507/endocrj.ej23-0212] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2023] Open
Abstract
We encountered five cases that exhibited false-high Hemoglobin A1c (HbA1c) levels when samples were examined using the enzyme-based NORUDIA N HbA1c kit. HbA1c levels were higher than those obtained using other methods, such as HPLC, immune-based methods, and other enzyme-based kits. This kit produced inaccurate results for HbA1c when residual peroxides were present in samples. The addition of peroxidase solution restored false-high HbA1c levels in the five cases, indicating that reduced catalase activity was responsible for these values because catalase eliminates peroxide. Catalase activity and gene mutations were examined in the five cases and an immunohistological analysis was performed to assess the expression of catalase. Cases #1 and 2 were diagnosed as acatalasemia and cases #3, 4, and 5 as hypocatalasemia based on compound heterozygous SNP and heterozygous splicing mutations in the catalase gene. Therefore, impaired catalase activity was responsible for false-high HbA1c levels measured by the NORUDIA N HbA1c kit.
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Affiliation(s)
- Kenji Hara
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Atsushi Ujiie
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Shiori Suzuki
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Takenori Okumura
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Mio Kubo
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Hiroyuki Shinozaki
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Mototaka Yamauchi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Takafumi Tsuchiya
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Kohzo Takebayashi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
| | - Nobuyuki Shimozawa
- Division of Genomics Research, Life Science Research Center, Gifu University, Gifu 501-1193, Japan
| | - Masafumi Koga
- Department of Internal Medicine, Hakuhokai Central Hospital, Hyogo 661-0953, Japan
| | - Koshi Hashimoto
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Saitama 343-8555, Japan
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Inui S, Tomita N, Takaoka T, Ueda Y, Ohira S, Tsuchiya T, Miyazaki M, Nishio T, Koizumi M, Konishi K. Dosimetric Comparison of Automated Non-Coplanar Volumetric-Modulated Arc Therapy and Intensity-Modulated Proton Therapy in Angiosarcoma of the Scalp. Int J Radiat Oncol Biol Phys 2023; 117:e675. [PMID: 37785989 DOI: 10.1016/j.ijrobp.2023.06.2128] [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] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Angiosarcoma of the scalp (AS) is a rare tumor and has often been treated by total scalp irradiation (TSI). TSI is a challenging technique because of the target close to the organs at risks (OARs), located in the skin surface, and helmet-shape of the target. We performed the dosimetric comparison of automated non-coplanar volumetric-modulated arc therapy (HA) and intensity-modulated proton therapy (IMPT) in TSI for AS. MATERIALS/METHODS A planning study was performed on 20 patients with AS. The clinical target volume (CTV) 1 and CTV2 were defined as gross tumor volume with margin and entire scalp, respectively. For HA, planning target volume (PTV) 1 and PTV2 were defined as CTV1 and CTV2 with 5-mm margins, respectively. For IMPT, robust optimization was utilized which accounted for a 5-mm setup and a 3.5% range uncertainty and dose was prescribed to CTV1 robust and CTV2 robust. The prescription doses were 70 Gy and 56 Gy in 35 fractions to PTV1 (CTV1 robust) and PTV2 (CTV2 robust), respectively, using the simultaneous integrated boost technique. The HA plan was performed using a 6-MV photon beam machine and a 1-cm thick virtual bolus. The HA plan included three half non-coplanar and one full coplanar arc fields. The HA plan used collimator angles of 15°, 60°, 15°, and 120° in the beam with couch rotations of 0°, 45°, 90°, and 315°, respectively. The IMPT plan was performed using a compact proton beam machine dedicated to pencil beam scanning. The IMPT plan used gantry angles of 70°, 150°, 70°, 150°, and 30° in the beam with couch rotations of 0°, 0°, 180°, 180°, and 270°, respectively. The IMPT plan was optimized assuming a relative biological effectiveness of 1.1. The dose distribution and dosimetric parameters for each plan were evaluated. RESULTS All plans met the goals within the acceptable range in target volume coverage, conformity, and homogeneity. Table shows the dosimetric parameters of OARs in HA and IMPT plans. The doses receiving 0.1 cc of the volume for hippocampus, optic passway, eye, and lens in the IMPT plan were significantly lower than those in the HA plan. The IMPT plan showed a significant reduction in the percentage of brain volume receiving at least 5 Gy (V5 Gy) compared to the HA plan, while the HA plan showed a significant reduction of V10 Gy - V60 Gy and mean brain dose compared to the IMPT plan. The HA plan provided a shorter beam-on time (184 ± 9 s) than did the IMPT plan (446 ± 49 s). CONCLUSION The HA and IMPT plans demonstrated different strengths with respect to OARs sparing.
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Affiliation(s)
- S Inui
- Department of Radiation Oncology, Osaka International Cancer Institute, Osaka, Japan; Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - N Tomita
- Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - T Takaoka
- Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Ueda
- Department of Radiation Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - S Ohira
- Department of Radiation Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - T Tsuchiya
- Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - M Miyazaki
- Department of Radiation Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - T Nishio
- Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Koizumi
- Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - K Konishi
- Department of Radiation Oncology, Osaka International Cancer Institute, Osaka, Japan
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Yamabe K, Arakawa Y, Shoji M, Miyamoto K, Tsuchiya T, Minoura K, Akeda Y, Tomono K, Onda M. Enhancement ofAcinetobacterbaumanniibiofilm growth by cephem antibiotics via enrichment of protein and extracellular DNAin thebiofilm matrices. J Appl Microbiol 2022; 133:2002-2013. [PMID: 35818769 PMCID: PMC9539989 DOI: 10.1111/jam.15712] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/03/2022] [Accepted: 07/06/2022] [Indexed: 11/30/2022]
Abstract
AIMS To determine the effects of subinhibitory concentrations of eight cephem and carbapenem antibiotics on thebiofilm formation ofAcinetobacterbaumanniicells and examine itseffect on pre-established biofilms. METHODS AND RESULTS Effects of antibiotics on biofilm formation were assayed using microtiter plates with polystyrene peg-lids.Cefmetazole, ceftriaxone, ceftazidime, and cefpirome increased the biomass of pre-established biofilms on pegs in the range of their sub-minimum inhibitory concentrations, whereas none increased biofilm formation by planktonic cells. Carbapenems had a negative effect.The constituents of antibiotic-induced biofilms were analyzed. Ceftriaxoneor ceftazidimetreatment markedly increased the matrix constituent amounts in the biofilms (carbohydrate, 2.7-fold; protein, 8.9-12.7-fold; lipid, 3.3-3.6-fold; DNA, 9.1-12.2-fold; outer membrane vesicles, 2.7-3.8-fold; and viable cells,6.8-10.1-fold).The antibiotic-enhanced biofilmshad increased outer membrane protein A and were resistant to the anti-biofilm effect of azithromycin. CONCLUSIONS Some cephems increased the biomass of pre-established biofilms in the ranges of their sub-minimum inhibitory concentrations.The antibiotic-enhanced biofilmspossessed more virulent characteristics than normal biofilms. SIGNIFICANCE AND IMPACT OF THE STUDY Incomplete administration of certain cephems followingbiofilm-related Ac.baumannii infectionscould adversely cause exacerbated and chronic clinical results.
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Affiliation(s)
- K Yamabe
- Department of Social and Administrative Pharmacy, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Y Arakawa
- Department of Social and Administrative Pharmacy, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - M Shoji
- Department of Social and Administrative Pharmacy, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - K Miyamoto
- Department of Microbiology and Infection Control, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - T Tsuchiya
- Department of Microbiology and Infection Control, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - K Minoura
- Joint Research Center, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Y Akeda
- National Institute of Infectious Diseases, Tokyo, Japan
| | - K Tomono
- Osaka Institute of Public Health, Osaka, Japan
| | - M Onda
- Department of Social and Administrative Pharmacy, Osaka Medical and Pharmaceutical University, Osaka, Japan
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Abstract
Objectives: To investigate the effect of androgens and estrogens on surtuin 1 (SIRT1) expression in human aortic endothelial cells (HAECs). Methods: Real-time polymerase chain reaction analysis of SIRT-1 expression over 48 hours (h) was performed in HAECs treated with various concentrations of dehydroepiandrostendione (DHEA), androstenedione and testosterone (androgens), estrone (E1), estradiol (E2), and estriol (E3) (estrogens) to investigate the dose-dependency of time courses. The influence of high glucose on SIRT1 expression induced by the androgens and estrogens was also examined. Results: Dehydroepiandrostendione, androstenedione, and testosterone remarkably produced a dose-dependent increase in SIRT1 expression in the range of 10 to 20 μg/ml. High glucose (40mM) medium had significantly inhibitory effects on 10 μg/ml DHEA-induced SIRT1 expression (p=0.024). Estrone and E2, but not E3, caused a marked dose-dependent increase in SIRT1 expression from 10 to 20 μg/ml. Treatment with 20 mM or 40 mM glucose medium did not significantly inhibit E1- and E3-induced SIRT1 expression in control medium; however, both high glucose mediums significantly emphasized E2-induced SIRT1 expression in control medium (p=0.007, p=0.005). Conclusion: These results suggest that DHEA, androstenedione, testosterone, E1, and E2 definitely activate SIRT1 expression in HAECs. A high glucose medium is potent to inhibit the basal gene expression; however, it could not reduce powerful androgen- and estrogen-induced SIRT1 expression in HAECs.
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Affiliation(s)
- Takafumi Tsuchiya
- Department of Internal Medicine, Dokkyo Medical University, Saitama Medical Center, Koshigaya, Japan. E-mail.
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Tsuchiya T, Fukui Y, Izumi R, Numano K, Zeida M. Effects of oligomeric proanthocyanidins (OPCs) of red wine to improve skin whitening and moisturizing in healthy women - a placebo-controlled randomized double-blind parallel group comparative study. Eur Rev Med Pharmacol Sci 2021; 24:1571-1584. [PMID: 32096209 DOI: 10.26355/eurrev_202002_20215] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study was undertaken to evaluate the effects of red wine from grapes oligomeric procyanidins (OPCs) intake on skin color and skin moisture in Japanese healthy women. The purpose of this study was to improve skin condition, with the primary endpoint set to improve sunburn by ultraviolet (UV) and the secondary endpoint set to improve dryness. PATIENTS AND METHODS A randomized, placebo-controlled, double-blind, parallel-group study was conducted on 100 subjects (30 to 59 years of age). They were administered a test beverage, including 200 mg of the red wine OPCs (the test beverage group) or a placebo beverage (the control beverage group) once a day for 12 weeks. The properties of facial skin were measured at 0 (start value), 4th, 8th, and 12th week of the test period. RESULTS After 12 weeks of administration, the pigmentation scores and melanin index values of the OPC group were significantly reduced from the start value and were lower than the control group (p<0.05). In addition, the OPC group showed a significant increase in water content of the stratum corneum compared to the start value, while that of the control group significantly decreased. CONCLUSIONS The red wine OPCs showed the effects of skin whitening and moisturizing, and it is suggested that OPCs may improve the skin condition of healthy women.
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Affiliation(s)
- T Tsuchiya
- Suntory Global Innovation Center Ltd., Kyoto, Japan.
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Yoshida S, Oya S, Obata H, Fujisawa N, Tsuchiya T, Nakamura T. Carotid Endarterectomy Restores Decreased Vision Due to Chronic Ocular Ischemia. J Vasc Surg 2021. [DOI: 10.1016/j.jvs.2020.11.004] [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: 10/22/2022]
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Takebayashi K, Suzuki T, Yamauchi M, Hara K, Tsuchiya T, Inukai T, Hashimoto K. Association of circulating soluble lectin-like oxidized low-density lipoprotein receptor-1 with inflammatory markers and urinary albumin excretion in patients with type 2 diabetes. SAGE Open Med 2021; 9:20503121211064468. [PMID: 34992779 PMCID: PMC8724995 DOI: 10.1177/20503121211064468] [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: 06/29/2021] [Accepted: 11/16/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES The main purpose of the study was to study the association between circulating soluble lectin-like oxidized low-density lipoprotein receptor-1 levels and various markers, including inflammatory markers such as high-sensitivity C-reactive protein and fibrinogen, serum lipids, and renal function, in patients with poorly controlled type 2 diabetes. METHODS The subjects were 70 patients (men 45, women 25) who were hospitalized for treatment of poor glycemic control. Plasma soluble lectin-like oxidized low-density lipoprotein receptor-1 levels were assayed using a sandwich chemiluminescence enzyme immunoassay. RESULTS Circulating soluble lectin-like oxidized low-density lipoprotein receptor-1 was significantly positively correlated with lectin-like oxidized low-density lipoprotein-1 ligands containing apolipoprotein B, reflecting modified low-density lipoprotein, and with inflammatory markers such as high-sensitivity C-reactive protein and fibrinogen. In addition, there was a significant positive correlation between soluble lectin-like oxidized low-density lipoprotein receptor-1 and urinary albumin excretion. CONCLUSIONS Soluble lectin-like oxidized low-density lipoprotein receptor-1 may serve as a marker reflecting the degrees of inflammation and albuminuria in patients with poorly controlled type 2 diabetes.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Tatsuhiko Suzuki
- Department of Emergency and Critical Care Medicine, Emergency and Critical Care Center, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Mototaka Yamauchi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Kenji Hara
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Takafumi Tsuchiya
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Seibu General Hospital, Omiya, Japan
| | - Koshi Hashimoto
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
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Takebayashi K, Furukawa S, Okumura T, Kubo M, Ujiie A, Yamauchi M, Shinozaki H, Hara K, Tsuchiya T, Ono Y, Inukai T, Hashimoto K. Severe Non-Islet Cell Hypoglycemia From Ileum-Origin Gastrointestinal Stromal Tumor Producing Insulin-Like Growth Factor-2 in a Patient With Liver Cirrhosis Due to Chronic Hepatitis B. J Clin Med Res 2020; 12:824-830. [PMID: 33447317 PMCID: PMC7781283 DOI: 10.14740/jocmr4326] [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: 08/17/2020] [Accepted: 09/05/2020] [Indexed: 11/11/2022] Open
Abstract
Non-islet cell tumor hypoglycemia (NICTH) is a rare paraneoplastic syndrome, and NICTH associated with gastrointestinal stromal tumor (GIST) is even more rare. Herein, we describe a patient with severe NICTH due to GIST who had developed liver cirrhosis as a consequence of chronic hepatitis B. Although circulating insulin, C-peptide, and insulin-like growth factor-1 (IGF-1) levels were significantly decreased, in contrast to our expectations, the growth hormone (GH) level was slightly elevated. Steroid therapy with prednisolone appeared to be effective for the prevention of severe and continuous hypoglycemia.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Sho Furukawa
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Takenori Okumura
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Mio Kubo
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Atsushi Ujiie
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Mototaka Yamauchi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Hiroyuki Shinozaki
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Kenji Hara
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Takafumi Tsuchiya
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Yuko Ono
- Department of Pathology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Seibu General Hospital, Omiya, Saitama, Japan
| | - Koshi Hashimoto
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Saitama Medical Center, Koshigaya, Saitama, Japan
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Noguchi Y, Toda Y, Esaki H, Matsuyama T, Tachi T, Tsuchiya T, Teramachi H. Association between dipeptidyl peptidase-4 inhibitors and autoimmune disorders: Data mining of the spontaneous reporting system in Japan. Pharmazie 2020; 74:305-309. [PMID: 31109402 DOI: 10.1691/ph.2019.8972] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The main objective of this study is to conduct a disproportionality analysis of adverse events in the Japan Adverse Event Report (JADER) database and evaluate the risk of the DPP-4 inhibitor induced autoimmune disorder, the secondary objective is risk assessment of sex difference and age difference. The proportional reporting ratio (PRR) of frequency-based statistics and Bayesian estimates of the information components (IC) were calculated as a measure of signal detection. Sex difference and age difference were evaluated using signal score calculated from the PRR and the Chi-square. In patients taking DPP-4 inhibitors, 94 reports of autoimmune disorders were detected with both signals; PRR: 4.09, chi-square: 158.26 and IC: 1.66, 95 % confidence interval: 1.32-2.00). For other antidiabetic drugs, no signals were detected. The signal of males was PRR: 4.53, chi-square: 110.91 and signal score: 6.22, the signal of female was PRR: 3.53, chi-square: 47.65 and signal score: 5.12. About age difference, the signal scores were 6.71 for patients over 60 years and 0.56 for patients under 60 years old. This study suggests that the DPP-4 inhibitors, unlike other antidiabetic drugs, were associated with autoimmune disorders. Signals of the DPP-4 inhibitors induced autoimmune disorders were detected in both male and female, but no sex difference was observed, but age difference was observed. Especially attention should be paid to patients over 60 years old.
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Hara K, Koga M, Shinozaki H, Yamauchi M, Suzuki T, Naruse R, Tsuchiya T, Takebayashi K, Inukai T, Hashimoto K. Hb Phnom Penh Showing Falsely High or Reasonable HbA1c Values Depending on the Type of High-performance Liquid Chromatography System. Intern Med 2020; 59:805-809. [PMID: 31787693 PMCID: PMC7118387 DOI: 10.2169/internalmedicine.3306-19] [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] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
We herein report a 50-year-old Chinese woman with Hb Phnom Penh (α117Phe-Ile-α118Thr) showing high or reasonable HbA1c values depending on the type of high-performance liquid chromatography (HPLC) system. A high HbA1c value of 7.5% (HPLC assay: G9) and a reasonable HbA1c value of 5.2% (assay unknown) were observed. Therefore, the patient was refereed to our hospital; the oral glucose tolerance test showed normal glucose tolerance. The HbA1c values measured by an enzymatic assay, immunoassay, and affinity assay, as well as most HPLC assays were within the reference range, whereas those measured by the Tosoh HPLC systems were high.
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Affiliation(s)
- Kenji Hara
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Masafumi Koga
- Department of Internal Medicine, Hakuhokai Central Hospital, Japan
| | - Hiroyuki Shinozaki
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Mototaka Yamauchi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Tatsuhiko Suzuki
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Rika Naruse
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Takafumi Tsuchiya
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Kohzo Takebayashi
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Toshihiko Inukai
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
| | - Koshi Hashimoto
- Department of Diabetes, Endocrinology and Hematology, Dokkyo Medical University Saitama Medical Center, Japan
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12
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Nishioka D, Tsuchiya T, Namiki W, Takayanagi M, Kawamura K, Fujita T, Yukawa R, Horiba K, Kumigashira H, Higuchi T. Surface Proton Conduction of Sm-Doped CeO 2-δ Thin Film Preferentially Grown on Al 2O 3 (0001). Nanoscale Res Lett 2020; 15:42. [PMID: 32065313 PMCID: PMC7026374 DOI: 10.1186/s11671-020-3267-5] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 01/22/2020] [Indexed: 06/10/2023]
Abstract
Sm-doped CeO2-δ (Ce0.9Sm0.1O2-δ; SDC) thin films were prepared on Al2O3 (0001) substrates by radio frequency magnetron sputtering. The prepared thin films were preferentially grown along the [111] direction, with the spacing of the (111) plane (d111) expanded by 2.6% to compensate for a lattice mismatch against the substrate. The wet-annealed SDC thin film, with the reduced d111 value, exhibited surface protonic conduction in the low-temperature region below 100 °C. The O1s photoemission spectrum exhibits H2O and OH- peaks on the SDC surface. These results indicate the presence of physisorbed water layers and the generation of protons on the SDC (111) surface with oxygen vacancies. The protons generated on the SDC surface were conducted through a physisorbed water layer by the Grotthuss mechanism.
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Affiliation(s)
- D Nishioka
- Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, 125-8585, Japan.
| | - T Tsuchiya
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
| | - W Namiki
- Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, 125-8585, Japan
| | - M Takayanagi
- Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, 125-8585, Japan
| | - K Kawamura
- Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, 125-8585, Japan
| | - T Fujita
- Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, 125-8585, Japan
| | - R Yukawa
- Photon Factory, High Energy Accelerator Organization (KEK), Tsukuba, Ibaraki, 305-0801, Japan
| | - K Horiba
- Photon Factory, High Energy Accelerator Organization (KEK), Tsukuba, Ibaraki, 305-0801, Japan
| | - H Kumigashira
- Photon Factory, High Energy Accelerator Organization (KEK), Tsukuba, Ibaraki, 305-0801, Japan
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Sendai, 980-8577, Japan
| | - T Higuchi
- Department of Applied Physics, Tokyo University of Science, Katsushika, Tokyo, 125-8585, Japan
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13
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Taniguchi D, Matsumoto K, Machino R, Takeoka Y, Elgalad A, Taura Y, Oyama S, Tetsuo T, Moriyama M, Takagi K, Kunizaki M, Tsuchiya T, Miyazaki T, Hatachi G, Matsuo N, Nakayama K, Nagayasu T. Human lung microvascular endothelial cells as potential alternatives to human umbilical vein endothelial cells in bio-3D-printed trachea-like structures. Tissue Cell 2019; 63:101321. [PMID: 32223949 DOI: 10.1016/j.tice.2019.101321] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [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: 08/27/2019] [Revised: 11/29/2019] [Accepted: 12/02/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND We have been trying to produce scaffold-free structures for airway regeneration using a bio-3D-printer with spheroids, to avoid scaffold-associated risks such as infection. Previous studies have shown that human umbilical vein endothelial cells (HUVECs) play an important role in such structures, but HUVECs cannot be isolated from adult humans. The aim of this study was to identify alternatives to HUVECs for use in scaffold-free structures. METHODS Three types of structure were compared, made of chondrocytes and mesenchymal stem cells with HUVECs, human lung microvascular endothelial cells (HMVEC-Ls), and induced pluripotent stem cell (iPSC)-derived endothelial cells. RESULTS No significant difference in tensile strength was observed between the three groups. Histologically, some small capillary-like tube formations comprising CD31-positive cells were observed in all groups. The number and diameters of such formations were significantly lower in the iPSC-derived endothelial cell group than in other groups. Glycosaminoglycan content was significantly lower in the iPSC-derived endothelial cell group than in the HUVEC group, while no significant difference was observed between the HUVEC and HMVEC-L groups. CONCLUSIONS HMVEC-Ls can replace HUVECs as a cell source for scaffold-free trachea-like structures. However, some limitations were associated with iPSC-derived endothelial cells.
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Affiliation(s)
- D Taniguchi
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - K Matsumoto
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - R Machino
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Y Takeoka
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - A Elgalad
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Y Taura
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - S Oyama
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - T Tetsuo
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - M Moriyama
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - K Takagi
- Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - M Kunizaki
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - T Tsuchiya
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - T Miyazaki
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - G Hatachi
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - N Matsuo
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - K Nakayama
- Department of Regenerative Medicine and Biomedical Engineering Faculty of Medicine, Saga University, 1 Honjocho, Saga, 840-8502, Japan
| | - T Nagayasu
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan; Medical-engineering Hybrid Professional Development Program, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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Tsuchiya T, Kume T, Akiyama K, Yoshitsugu K, Fukaya M, Enami T, Tatara R, Shino M, Ikeda T. The prophylactic effect of 0.1% fluorometholone eye drops on eye disorders caused by high-dose cytarabine. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz434.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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15
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Noguchi Y, Nagasawa H, Tachi T, Tsuchiya T, Teramachi H. Signal detection of oral drug-induced dementia in chronic kidney disease patients using association rule mining and Bayesian confidence propagation neural network. Pharmazie 2019; 74:570-574. [PMID: 31484600 DOI: 10.1691/ph.2019.9426] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Abstract
Among the mechanisms responsible for cognitive dysfunction in chronic kidney disease (CKD) are albuminuria and oxidative stress. However, there may be other causes not yet identified. In fact, the full relevance of CKD patient drug use and its relationship to dementia has hardly been barely investigated. We identified drugs affecting cognitive function in CKD patients by analyzing the spontaneous reporting system in Japan using Association rule mining (ARM) and Bayesian confidence propagation neural network (BCPNN). The signal detection criterion used were as follows: case ≥ 3, lift > 1, conviction > 1 (ARM) and IC025 >0 (BCPNN). Drugs with more than 20 cases were valaciclovir (lift: 11.21, conviction: 1.28, IC025: 3.12), amantadine (lift: 19.69, conviction: 1.68, IC025: 3.05), nalfurafine (lift: 8.35, conviction: 1.19, IC025: 2.18), pregabalin (lift: 6.05, conviction: 1.12, IC025: 1.78), and acyclovir (lift: 5.89, conviction: 1.12, IC025: 1.68). This study is the first report to use a large-scale medical database to identify drugs related to oral drugs-induced dementia in CKD.
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Fukushima Y, Someya M, Nakata K, Hori M, Kitagawa M, Hasegawa T, Tsuchiya T, Gocho T, Ikeda H, Hirohashi Y, Torigoe T, Sugita S, Hasegawa T, Himi T, Sakata K. Influence of PD-L1 Expression in Immune Cells on the Response to Radiation Therapy in Patients with Oropharyngeal Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Suzuki T, Takebayashi K, Hara K, Tsuchiya T, Inukai T. Association between angiopoietin-like protein 2 and lectin-like oxidized low-density lipoprotein receptor 1 ligand containing apolipoprotein B in patients with type 2 diabetes. J Int Med Res 2018; 46:4167-4180. [PMID: 30157689 PMCID: PMC6166345 DOI: 10.1177/0300060518791067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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] [Indexed: 11/23/2022] Open
Abstract
Objective This study was performed to evaluate the association of the serum level of
angiopoietin-like protein 2 (ANGPTL2) with circulating inflammatory markers
and oxidized and modified low-density lipoprotein (LDL) cholesterol as
evaluated by lectin-like oxidized LDL receptor 1 ligand containing
apolipoprotein B (LAB) in patients with type 2 diabetes. Methods The study included 70 patients with type 2 diabetes hospitalized for glycemic
control and 9 control subjects. Results The serum level of ANGPTL2 was significantly higher in the patients with type
2 diabetes than in the healthy controls. There was a significant positive
correlation between ANGPTL2 and the high-sensitivity C-reactive protein,
fibrinogen, and LAB levels and a significant negative correlation between
ANGPTL2 and the estimated glomerular filtration rate (eGFR). Conclusions These results suggest that the serum ANGPTL2 level has a close positive
association with inflammatory markers, especially fibrinogen and oxidized
and modified LDL as evaluated by LAB. The data also suggest that the serum
ANGPTL2 level is influenced by renal function as reflected by the eGFR.
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Affiliation(s)
- Tatsuhiko Suzuki
- Department of Internal Medicine, Dokkyo Medical University Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Kohzo Takebayashi
- Department of Internal Medicine, Dokkyo Medical University Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Kenji Hara
- Department of Internal Medicine, Dokkyo Medical University Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Takafumi Tsuchiya
- Department of Internal Medicine, Dokkyo Medical University Saitama Medical Center, Koshigaya, Saitama, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Dokkyo Medical University Saitama Medical Center, Koshigaya, Saitama, Japan
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18
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Nakata K, Hanai T, Take Y, Osada T, Tsuchiya T, Shima D, Fujimoto Y. Disease-modifying effects of COX-2 selective inhibitors and non-selective NSAIDs in osteoarthritis: a systematic review. Osteoarthritis Cartilage 2018; 26:1263-1273. [PMID: 29890262 DOI: 10.1016/j.joca.2018.05.021] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [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: 12/19/2017] [Revised: 05/16/2018] [Accepted: 05/20/2018] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is a potentially disabling disease whose progression is dependent on several risk factors. OA management usually involves the use of non-steroidal anti-inflammatory drugs (NSAIDs) that are the primary pharmacological treatments of choice. However, NSAIDs have often been associated with unwanted side effects. Cyclooxygenase (COX)-2 specific inhibitors, such as celecoxib, have been successfully used as an alternative in the past for OA treatment and have demonstrated fewer side effects. While abundant data are available for the clinical efficacy of drugs used for OA treatment, little is known about the disease-modifying effects of these agents. A previous review published by Zweers et al. (2010) assessed the available literature between 1990 and 2010 on the disease-modifying effects of celecoxib. In the present review, we aimed to update the existing evidence and identify evolving concepts relating to the disease-modifying effects of not just celecoxib, but also other NSAIDs. We conducted a review of the literature published from 2010 to 2016 dealing with the effects, especially disease-modifying effects, of NSAIDs on cartilage, synovium, and bone in OA patients. Our results show that celecoxib was the most commonly used drug in papers that presented data on disease-modifying effects of NSAIDs. Further, these effects appeared to be mediated through the regulation of prostaglandins, cytokines, and direct changes to tissues. Additional studies should be carried out to assess the disease-modifying properties of NSAIDs in greater detail.
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Affiliation(s)
- K Nakata
- Medicine for Sports and Performing Arts, Department of Health and Sports Science, Osaka University Graduate School of Medicine, 2-2, Yamadaoka, Suita, Osaka 565-0871 Japan.
| | - T Hanai
- Medicine for Sports and Performing Arts, Department of Health and Sports Science, Osaka University Graduate School of Medicine, 2-2, Yamadaoka, Suita, Osaka 565-0871 Japan
| | - Y Take
- Medicine for Sports and Performing Arts, Department of Health and Sports Science, Osaka University Graduate School of Medicine, 2-2, Yamadaoka, Suita, Osaka 565-0871 Japan
| | - T Osada
- Pfizer Japan Inc., Shinjuku Bunka Quint Bldg. 3-22-7, Yoyogi, Shibuya-ku, Tokyo 151-8589 Japan
| | - T Tsuchiya
- Pfizer Japan Inc., Shinjuku Bunka Quint Bldg. 3-22-7, Yoyogi, Shibuya-ku, Tokyo 151-8589 Japan
| | - D Shima
- Pfizer Japan Inc., Shinjuku Bunka Quint Bldg. 3-22-7, Yoyogi, Shibuya-ku, Tokyo 151-8589 Japan
| | - Y Fujimoto
- Pfizer Japan Inc., Shinjuku Bunka Quint Bldg. 3-22-7, Yoyogi, Shibuya-ku, Tokyo 151-8589 Japan
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Kawanishi H, Tsuchiya T, Nishiki M, Sugiyama M, Ezaki H. Removal of Protein-Bound Substance in Hepatic Failure: Polyetherurethane Sheet Embedded with Powdered Charcoal (UPC). Int J Artif Organs 2018. [DOI: 10.1177/039139888400700611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- H. Kawanishi
- Department of Surgery, Hroshima University School of Medicine
| | | | - M. Nishiki
- Department of Surgery, Hroshima University School of Medicine
| | - M. Sugiyama
- Japan Medical Supply Co. Ltd. Hiroshima, Japan
| | - H. Ezaki
- Department of Surgery, Hroshima University School of Medicine
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20
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Takebayashi K, Ujiie A, Kubo M, Furukawa S, Yamauchi M, Shinozaki H, Suzuki T, Naruse R, Hara K, Tsuchiya T, Inukai T. Isolated Adrenocorticotropic Hormone Deficiency and Severe Hypercalcemia After Destructive Thyroiditis in a Patient on Nivolumab Therapy With a Malignant Melanoma. J Clin Med Res 2018; 10:358-362. [PMID: 29511426 PMCID: PMC5827922 DOI: 10.14740/jocmr3257w] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 11/08/2017] [Accepted: 11/20/2017] [Indexed: 11/25/2022] Open
Abstract
We describe a 58-year-old man with a malignant melanoma metastasis to the liver. After initiation of nivolumab therapy, he developed destructive thyroiditis and subsequently simultaneous isolated adrenocorticotropic hormone (ACTH) deficiency and severe hypercalcemia. Although isolated ACTH deficiency and hypercalcemia due to nivolumab therapy are both rare occurrences, these conditions can often cause a severe clinical course accompanied by a disturbance of consciousness. Therefore, clinicians should pay attention to these possible side effects of nivolumab if the patients have clinical symptoms, such as fatigue and a disturbance of consciousness.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Atsushi Ujiie
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Mio Kubo
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Sho Furukawa
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Mototaka Yamauchi
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Hiroyuki Shinozaki
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Tatsuhiko Suzuki
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Rika Naruse
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Kenji Hara
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Takafumi Tsuchiya
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
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Li X, Kanegasaki S, Jin F, Deng Y, Kim JR, Chang HW, Tsuchiya T. Simultaneous induction of HSP70 expression, and degranulation, in IgE/Ag-stimulated or extracellular HSP70-stimulated mast cells. Allergy 2018; 73:361-368. [PMID: 28857181 DOI: 10.1111/all.13296] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND In mast cells, induction of HSP70 expression during antigen stimulation has not been reported. METHODS Mouse bone marrow-derived mast cells (BMMC) were stimulated with IgE/Ag or HSP70. Induction of HSP70 expression and signaling protein phosphorylation were evaluated by immunoblotting. RESULTS HSP70 expression is induced in BMMC at an early stage of IgE/Ag-dependent stimulation, some of which is released from the cells in a granule-associated form. Induction of HSP70 expression was also observed with an IgE/Ag-stimulated human basophilic cell line, indicating that the phenomenon is not restricted to mouse BMMC. The induction of HSP70 expression, and its release, followed a similar time course to that of degranulation. Released HSP70 seems to be responsible for degranulation and production of eicosanoids, at least in part, because a neutralizing anti-HSP70 antibody mitigated these activities and because exogenous HSP70 not only induced immediate degranulation followed by autocrine HSP70 expression but also enhanced degranulation in IgE/Ag-stimulated BMMC. Extracellular HSP70 was found to induce phosphorylation of linker for activation of T cells (LAT) and a series of downstream signaling molecules in BMMC. We further found that Fyn, Lyn, and spleen tyrosine kinase (Syk), which are known to concern LAT phosphorylation in IgE/Ag-stimulated BMMC, were not phosphorylated in HSP70-stimulated BMMC, whereas lymphocyte-specific protein tyrosine kinase (Lck) was phosphorylated. CONCLUSION FcεRI stimulation in BMMC and basophils induces HSP70 expression and its release. Extracellular HSP70 induces degranulation and mediator release via phosphorylation of LAT.
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Affiliation(s)
- X. Li
- College of Pharmacy; Yeungnam University; Gyeongsan Korea
| | - S. Kanegasaki
- YU-ECI Research Center for Medical Science; Yeungnam University; Gyeongsan Korea
- College of Medicine; Yeungnam University; Daegu Korea
| | - F. Jin
- College of Pharmacy; Yeungnam University; Gyeongsan Korea
| | - Y. Deng
- College of Pharmacy; Yeungnam University; Gyeongsan Korea
| | - J.-R. Kim
- College of Medicine; Yeungnam University; Daegu Korea
| | - H. W. Chang
- College of Pharmacy; Yeungnam University; Gyeongsan Korea
| | - T. Tsuchiya
- YU-ECI Research Center for Medical Science; Yeungnam University; Gyeongsan Korea
- College of Medicine; Yeungnam University; Daegu Korea
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Fukuda M, Okumura M, Arimori K, Takahira A, Mori M, Nakamura D, Shimada M, Taniguchi H, Gyotoku H, Senju H, Ikeda T, Yamaguchi H, Nakatomi K, Tsuchiya T, Mukae H, Ashizawa K. P1.03-015 The Relationship between the UGT1A1*27 and UGT1A1*7 Genetic Polymorphisms and Irinotecan-Related Toxicities in Patients with Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.819] [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: 11/29/2022]
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Tomoshige K, Minzhe G, Tsuchiya T, Fukazawa T, Naomoto Y, Nagayasu T, Maeda Y. P1.02-014 TGFalpha Promotes Growth of Lung Tumors Carrying EGFR Mutation but not KRAS Mutation in Transgenic Mouse Models in Vivo. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.746] [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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Takebayashi K, Hara K, Terasawa T, Naruse R, Suetsugu M, Tsuchiya T, Inukai T. Effect of canagliflozin on circulating active GLP-1 levels in patients with type 2 diabetes: a randomized trial. Endocr J 2017; 64:923-931. [PMID: 28824041 DOI: 10.1507/endocrj.ej17-0065] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [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] [Indexed: 11/23/2022] Open
Abstract
Canagliflozin has a robust inhibitory effect on sodium glucose transporter (SGLT)-2 and a mild inhibitory effect on SGLT1. The main purpose of this study was to investigate the effect of canagliflozin on circulating active glucagon-like peptide 1 (GLP-1) levels in patients with type 2 diabetes. Patients were randomly divided into a control group (n =15) and a canagliflozin-treated group (n =15). After hospitalization, the canagliflozin-treated group took 100 mg/day canagliflozin for the entire study, and after 3 days both groups took 20 mg/day teneligliptin for an additional 3 days. In a meal test, canagliflozin significantly decreased the area under curve (AUC) (0-120 min) for plasma glucose (PG) after 3 days when compared with that at baseline, and addition of teneligliptin to the canagliflozin-treated group further decreased it. A significant decrease in the AUC (0-120 min) for serum insulin by canagliflozin was obtained, but the addition of teneligliptin elevated the AUC, and thus abolished the significant difference from baseline. A significant increase in the AUC (0-120 min) of plasma active GLP-1 by canagliflozin-treatment compared with that at baseline was observed, and the addition of teneligliptin resulted in a further increase. However, canagliflozin-treatment did not change the AUC (0-120 min) of plasma active glucose-dependent insulinotropic peptide (GIP). In conclusions, canagliflozin-administration before meals decreased PG and serum insulin, and increased plasma active GLP-1 levels in patients with type 2 diabetes. Canagliflozin did not greatly influence plasma active GIP levels.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Kenji Hara
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Tomoko Terasawa
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Rika Naruse
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Mariko Suetsugu
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Takafumi Tsuchiya
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
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Sakata K, Ozawa T, Okuyama Y, Haraguchi R, Tsuchiya T, Horie M, Ashihara T. P2649Not all non-paroxysmal atrial fibrillation drivers are included in complex fractionated electrogram area or low-voltage area: ExTRa Mapping project. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2649] [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: 11/13/2022] Open
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Sakata K, Ozawa T, Okuyama Y, Haraguchi R, Tsuchiya T, Horie M, Ashihara T. P1718Non-paroxysmal atrial fibrillation wave dynamics were determined by age rather than echocardiographic measurements and BNP: A clinical study using the ExTRa Mapping system. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1718] [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: 11/14/2022] Open
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Takebayashi K, Suzuki T, Naruse R, Hara K, Suetsugu M, Tsuchiya T, Inukai T. Long-Term Effect of Alogliptin on Glycemic Control in Japanese Patients With Type 2 Diabetes: A 3.5-Year Observational Study. J Clin Med Res 2017; 9:802-808. [PMID: 28811859 PMCID: PMC5544487 DOI: 10.14740/jocmr3118w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 07/10/2017] [Indexed: 01/19/2023] Open
Abstract
Background The goal of the current study was to investigate the long-term effects (after 3 years or more) of alogliptin on glycemic control in Japanese patients with type 2 diabetes. Methods We retrospectively studied the effect of alogliptin on glycemic control in the patients with type 2 diabetes who had participated in our previous 3-month study and who continued to take alogliptin for at least 36 months. Results The mean duration of alogliptin treatment was 42.8 ± 2.2 months. In all 39 patients, a significant reduction in hemoglobin A1c (HbA1c) levels was noted between the baseline and final visit: 7.8±0.6% to 7.2±1.0% (P = 0.0001). A significant reduction in HbA1c levels was found in a subgroup of patients who did not change their anti-diabetic drugs or did decrease the dose of their sulfonylureas (SUs) or did change to a lower strength repaglinide (n = 32): 7.7±0.6% to 7.2±1.0% (P = 0.0005). A significant decrease in low-density lipoprotein cholesterol (LDL-C) levels was observed in all of the patients that had LDL-C levels determined (P = 0.0406) (n = 37), and in a subgroup of patients who had not taken either statins, fibrates, or pioglitazone, or who had taken one or more of these drugs but the doses were not changed during the observation period (P = 0.0250) (n = 27). Conclusion The current study found that alogliptin performed well for glycemic control when evaluated by HbA1c levels in a long-term observation period exceeding 3 years in Japanese patients with type 2 diabetes. Alogliptin may also decrease circulating LDL-C levels with long-term use.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Tatsuhiko Suzuki
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Rika Naruse
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Kenji Hara
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Mariko Suetsugu
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Takafumi Tsuchiya
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
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Soda M, Fujitani M, Michiuchi R, Shibayama A, Kanamori K, Yoshikuni S, Ohno Y, Tsuchiya T, Suzuki A, Horie K, Deguchi T, Itoh Y, Kitaichi K. Association Between Tacrolimus Pharmacokinetics and Cytochrome P450 3A5 and Multidrug Resistance Protein 1 Exon 21 Polymorphisms. Transplant Proc 2017; 49:1492-1498. [DOI: 10.1016/j.transproceed.2017.03.093] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 03/07/2017] [Accepted: 03/30/2017] [Indexed: 10/19/2022]
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Tsuchiya T, Endo A, Tsujikado K, Inukai T. Involvement of Resveratrol and ω-3 Polyunsaturated Fatty Acids on Sirtuin 1 Gene Expression in THP1 Cells. Am J Med Sci 2017; 354:415-422. [PMID: 29078847 DOI: 10.1016/j.amjms.2017.06.002] [Citation(s) in RCA: 9] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 05/02/2017] [Accepted: 06/07/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Resveratrol, a kind of polyphenol, has the potential to activate the longevity gene in several cells, in the same manner as calorie restriction. We investigated the effect of resveratrol and ω-3-line polyunsaturated fatty acid on surtuin 1 (SIRT1) gene expression in human monocytes (THP1) cells. MATERIALS AND METHODS We examined the gene expression of THP1 cells using real-time polymerase chain reaction and Western blotting analysis. Resveratol, eicosapentaenoic acid (EPA) and docosahexaeanoic acid (DHA) as n-3 polyunsaturated fatty acid were added on THP1 cells. We observed the changes in the SIRT1 gene expression in those cells, under various doses of agents and in time courses. Then, we examined the interaction of glucose and mannitol on those agents׳ effect of the gene expression. The concentration range of glucose and mannitol was from 5-20mM, respectively. RESULTS The SIRT1 gene expression could be defined in 24 and 48 hours both in real-time polymerase chain reaction analysis and in Western blotting. Resveratrol showed SIRT1 gene expression in a dose-dependent manner in the range of 0-20μM in both analyses. Although EPA at 10μM showed marked increase in SIRT1 gene expression compared to control condition in Western blotting, this phenomenon was not in dose-dependent manner. DHA did not exhibit any augmentation of SIRT1 gene expression in a dose-dependent manner in the range of 0-20μM in both analyses. We refined the dose-dependent inhibition of the SIRT1 gene expression within 20mM glucose medium. Although 20mM did not exhibit any inhibition, 10μM resveratrol induced the gene expression compared to control medium. Both 5 and 15mM mannitol medium did not significantly alter basic gene expression and 10μM resveratrol-induced gene expression. CONCLUSIONS The present results suggest that resveratrol and EPA, but not DHA, markedly activated the SIRT1 gene expression in THP1 cells, and that high glucose medium could inhibit the basic gene expression, but not powerful resveratrol-induced gene expression, in those cells.
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Affiliation(s)
- Takafumi Tsuchiya
- Department of Internal Medicine, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Japan
| | - Ayano Endo
- Department of Joint Research Center, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Japan
| | - Kyoko Tsujikado
- Department of Joint Research Center, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Japan.
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Takebayashi K, Hara K, Terasawa T, Naruse R, Suetsugu M, Tsuchiya T, Inukai T. Serum Betatrophin Levels and Clinical Features in Patients With Poorly Controlled Type 2 Diabetes. J Clin Med Res 2017; 9:782-787. [PMID: 28811856 PMCID: PMC5544484 DOI: 10.14740/jocmr3114w] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 07/07/2017] [Indexed: 11/17/2022] Open
Abstract
Background Betatrophin is a hormone mainly secreted by the liver that influences lipid metabolisms. The main purposes of this study were to investigate the effect of canagliflozin (a sodium glucose transporter 2 inhibitor) on circulating betatrophin levels, and to investigate the correlation of various markers associated with glucose and lipid metabolisms with betatrophin in patients with poorly controlled type 2 diabetes. Methods Patients were randomly divided into a control group (n = 15) and a canagliflozin-treated group (n = 15). After hospitalization, the canagliflozin-treated group took 100 mg/day of canagliflozin for 3 days. Blood tests were performed at baseline and after 3 days of treatment. Results Canagliflozin treatment for 3 days did not significantly change fasting and postprandial serum betatrophin levels. On the other hand, betatrophin levels had a significant positive correlation with hemoglobin A1c, fasting plasma glucose, and high-density lipoprotein cholesterol levels at baseline. Conclusions The current study suggests that short-term treatment by canagliflozin does not influence circulating betatrophin levels, and that betatrophin is positively associated with markers of glycemic control and high-density lipoprotein cholesterol in patients with poorly controlled type 2 diabetes.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
- Corresponding Author: Kohzo Takebayashi, Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, 2-1-50, Minami-Koshigaya, Koshigaya, Saitama 343-8555, Japan.
| | - Kenji Hara
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Tomoko Terasawa
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Rika Naruse
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Mariko Suetsugu
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Takafumi Tsuchiya
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Toshihiko Inukai
- Department of Internal Medicine, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
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Sakuma J, Fukuda Y, Tsuchiya T, Maemura T, Katagiri Y, Nakata M, Morita M. Availability of Hysteroscopy-Guided Resection of Endometrial Polyp. J Minim Invasive Gynecol 2016. [DOI: 10.1016/j.jmig.2016.08.662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Tsuchiya T, Katagiri Y, Hukuda Y, Sakuma J, Kitamura M, Maemura T, Morita M. Devising of Surgery in Total Laparoscopic Hysterectomy More Than 500g Uterus. J Minim Invasive Gynecol 2016. [DOI: 10.1016/j.jmig.2016.08.709] [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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Fukuda Y, Tsuchiya T, Sakuma J, Katakura M, Kitamura M, Maemura T, Katagiri Y, Morita M. Torsion of Myoma in a Woman with Mayer-Rokitansky-Kuster-Hauser Syndrome: Case Report. J Minim Invasive Gynecol 2016. [DOI: 10.1016/j.jmig.2016.08.732] [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: 11/29/2022]
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Sugie C, Shibamoto Y, Hashimoto S, Tsuchiya T, Matsuo M, Kawai T, Iwata H. Biological Effects of a Radiation Hormesis Sheet Emitting Very Low-Dose-Rate γ Rays. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Isama K, Tsuchiya T. Effects of interaction between metal salts on proliferation and differentiation of osteoblasts. Toxicol Lett 2016. [DOI: 10.1016/j.toxlet.2016.06.2038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kaira K, Shimizu Y, Tsuchiya T, Mizuide M, Hisada T, Ishizuka T, Mori M. Small cell carcinoma of the parotid gland. Otolaryngol Head Neck Surg 2016; 136:330-1. [PMID: 17275571 DOI: 10.1016/j.otohns.2006.06.1263] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2006] [Accepted: 06/29/2006] [Indexed: 11/30/2022]
Affiliation(s)
- Kyoichi Kaira
- Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Showa-machi, Maebashi, Gunma, Japan.
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Takebayashi K, Hara K, Terasawa T, Naruse R, Suetsugu M, Tsuchiya T, Inukai T. Circulating SerpinB1 levels and clinical features in patients with type 2 diabetes. BMJ Open Diabetes Res Care 2016; 4:e000274. [PMID: 27933185 PMCID: PMC5128937 DOI: 10.1136/bmjdrc-2016-000274] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [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: 05/25/2016] [Revised: 10/05/2016] [Accepted: 10/12/2016] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE The main purpose of this study was to investigate the association of serum SerpinB1 levels and various parameters in patients with type 2 diabetes. The effect of canagliflozin (a sodium glucose cotransporter 2 (SGLT2) inhibitor), which can decrease circulating insulin levels, on serum SerpinB1 levels was also investigated. A recent study suggests that the serum levels of SerpinB1, also known as monocyte neutrophil elastase inhibitor, increase with insulin resistance, may have a protective effect for pancreatic β cells, and may decrease insulin resistance. RESEARCH DESIGN AND METHODS The study included 30 patients with type 2 diabetes hospitalized for glycemic control and 10 control subjects. RESULTS SerpinB1 levels were significantly higher in patients with type 2 diabetes, compared with that in heathy control subjects (10.01±3.59 vs 5.69±1.64 ng/mL, p<0.0001). Serum SerpinB1 levels had a significant negative correlation with low-density lipoprotein cholesterol (LDL-C) (p=0.0123). Serum SerpinB1 levels had a significant positive association or trend toward a positive association with age and with hemoglobin A1c (HbA1c), and significant negative association with LDL-C levels in some multiple regression analysis models. Patients treated with statins had a tendency toward higher serum SerpinB1 levels, compared with those patients not treated with statins. During a 3-day observation period both with and without canagliflozin treatment, the serum SerpinB1 levels did not change. CONCLUSIONS Serum SerpinB1 levels are elevated in patients with type 2 diabetes compared with that in healthy subjects and are negatively correlated with serum LDL-C.
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Affiliation(s)
- Kohzo Takebayashi
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
| | - Kenji Hara
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
| | - Tomoko Terasawa
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
| | - Rika Naruse
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
| | - Mariko Suetsugu
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
| | - Takafumi Tsuchiya
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
| | - Toshihiko Inukai
- Department of Internal Medicine , Dokkyo Medical University Koshigaya Hospital , Koshigaya, Saitama , Japan
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Ishii Y, Kuroda K, Takasu S, Yokoo Y, Tsuchiya T, Kijima A, Nohmi T, Ogawa K, Umemura T. Contribution of cell proliferation possibly due to inactivation of protein phosphatase 2A to gene mutations induced by estragole. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.719] [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: 10/23/2022]
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Kubo T, Fujino Y, Matsuda S, Nakamura T, Kunimoto M, Kadowaki K, Tabata H, Tsuchiya T, Odoi H, Oyama I. Risk of Hypertension and Impaired Glucose Tolerance among Two and Three Shift Workers. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv097.030] [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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Takasu S, Ishii Y, Kijima A, Yokoo Y, Tsuchiya T, Nohmi T, Nishikawa A, Umemura T. The effects of a high-fat diet on in vivo mutagenicity induced by heterocyclic amines in the colon of gpt delta rats. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sadahiro S, Tsuchiya T, Sasaki K, Kondo K, Katsumata K, Nishimura G, Kakeji Y, Baba H, Sato S, Koda K, Yamaguchi Y, Morita T, Matsuoka J, Usuki H, Hamada C, Kodaira S. Randomized phase III trial of treatment duration for oral uracil and tegafur plus leucovorin as adjuvant chemotherapy for patients with stage IIB/III colon cancer: final results of JFMC33-0502. Ann Oncol 2015; 26:2274-80. [PMID: 26347106 PMCID: PMC4621030 DOI: 10.1093/annonc/mdv358] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 08/17/2015] [Indexed: 01/18/2023] Open
Abstract
While adjuvant chemotherapy is preferable for colon cancer, treatment duration is controversial. This phase III trial is investigated optimal duration of adjuvant chemotherapy for Stage IIB/III colon cancer. Eighteen-month treatment with UFT/LV did not improve DFS compared with 6-month UFT/LV treatment. This study suggests that 6 months treatment duration is enough for Stage IIB/III colon cancer. Background While adjuvant chemotherapy is preferable for high-risk colon cancer, treatment duration is controversial. Oral uracil and tegafur (UFT)/leucovorin (LV) is widely used as a standard adjuvant chemotherapy for colon cancer in Japan. We conducted a phase III trial to investigate the optimal duration of adjuvant chemotherapy for stage IIB/III colon cancer. Patients and methods Patients with curatively resected stage IIB/III colon cancer were eligible for enrollment in this trial. Patients were registered within 6 weeks after surgery and were randomly assigned to receive UFT/LV for 28 of 35 days for 6 months in the control group or for 5 consecutive days per week for 18 months in the study group. The primary end point was the disease-free survival (DFS), and the secondary end points were overall survival (OS) and safety. Result A total of 1071 patients were registered from 233 centers. A statistically significant difference in DFS was not observed between the study group and the control group; the 5-year DFS was 69% in the study group and 69% in the control group. The 5-year OS was 85% in the study group and 85% in the control group. Conclusion Eighteen-month treatment with UFT/LV did not improve DFS or OS compared with 6-month UFT/LV treatment in patients with stage IIB/III colon cancer. The important finding from this study is that not 18 months but 6 months of treatment is enough for postoperative UFT/LV for stage IIB/III colon cancer. Clinical trial number UMIN-CTR C000000245.
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Affiliation(s)
- S Sadahiro
- Department of Surgery, Tokai University, Isehara
| | - T Tsuchiya
- Department of Surgery, Sendai City Medical Center, Sendai
| | - K Sasaki
- Department of Surgery, Otaru Ekisaikai Hospital, Otaru
| | - K Kondo
- Department of Surgery, National Hospital Organization Nagoya Medical Hospital, Nagoya
| | - K Katsumata
- Third Department of Surgery, Tokyo Medical University, Tokyo
| | - G Nishimura
- Department of Surgery, Japanese Red Cross Kanazawa Hospital, Ishikawa
| | - Y Kakeji
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, Kobe
| | - H Baba
- Department of Gastroenterological Surgery, Kumamoto University, Kumamoto
| | - S Sato
- Department of Surgery, National Hospital Organization Himeji Medical Center, Himeji
| | - K Koda
- Department of Surgery, Teikyo University Chiba Medical Center, Ichihara
| | - Y Yamaguchi
- Department of Clinical Oncology, Kawasaki Medical School, Kurashiki
| | - T Morita
- Department of Surgery, Aomori Prefectural Central Hospital, Aomori
| | - J Matsuoka
- Department of Palliative Care, Okayama University Hospital, Okayama
| | - H Usuki
- Department of Gastroenterological Surgery, Kagawa University, Kagawa
| | - C Hamada
- Department of Management Science, Graduate School of Engineering, Tokyo University of Science, Tokyo
| | - S Kodaira
- Nerima General Hospital, Tokyo, Japan
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Miyanishi K, Tange Y, Ozaki N, Kimura T, Sano T, Sakawa Y, Tsuchiya T, Kodama R. Laser-shock compression of magnesium oxide in the warm-dense-matter regime. Phys Rev E Stat Nonlin Soft Matter Phys 2015; 92:023103. [PMID: 26382531 DOI: 10.1103/physreve.92.023103] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Indexed: 06/05/2023]
Abstract
Magnesium oxide has been experimentally and computationally investigated in the warm-dense solid and liquid ranges from 200 GPa to 1 TPa along the principal Hugoniot. The linear approximation between shock velocity and particle velocity is validated up to a shock velocity of 15 km/s from the experimental data, this suggesting that the MgO B1 structure is stable up to the corresponding shock pressure of ∼350 GPa. Moreover, our Hugoniot data, combined with ab initio simulations, show two crossovers between MgO Hugoniot and the extrapolation of the linear approximation line, occurring at a shock pressures of approximately 350 and 650 GPa, with shock temperatures of 8000 and 14,000 K, respectively. These crossover regions are consistent with the solid-solid (B1-B2) and the solid-liquid (B2-melt) phase boundaries predicted by the ab initio calculations.
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Affiliation(s)
- K Miyanishi
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Y Tange
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
- Geodynamics Research Center, Ehime University, Matsuyama, Ehime 790-8577, Japan
- Earth-Life Science Institute Ehime Satellite, Tokyo Institute of Technology, Meguro, Tokyo 152-8550, Japan
| | - N Ozaki
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Photon Pioneers Center, Osaka University, Suita, Osaka 565-0871, Japan
| | - T Kimura
- Geodynamics Research Center, Ehime University, Matsuyama, Ehime 790-8577, Japan
| | - T Sano
- Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Y Sakawa
- Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - T Tsuchiya
- Geodynamics Research Center, Ehime University, Matsuyama, Ehime 790-8577, Japan
- Earth-Life Science Institute Ehime Satellite, Tokyo Institute of Technology, Meguro, Tokyo 152-8550, Japan
| | - R Kodama
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Photon Pioneers Center, Osaka University, Suita, Osaka 565-0871, Japan
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Kawashima M, Murakawa T, Ichinose J, Shinozaki T, Hino H, Tsuchiya T, Murayama T, Konoeda C, Nagayama K, Nitadori J, Anraku M, Nakajima J. F-073ROLE OF THE GLASGOW PROGNOSTIC SCORE AS A PROGNOSTIC INDICATOR FOR LUNG CANCER SURGERY. Interact Cardiovasc Thorac Surg 2015. [DOI: 10.1093/icvts/ivv204.73] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Shiraki T, Iida O, Takahara M, Soga Y, Yamauchi Y, Hirano K, Kawasaki D, Fujihara M, Utsunomiya M, Tazaki J, Yamaoka T, Shintani Y, Suematsu N, Suzuki K, Miyashita Y, Tsuchiya T, Uematsu M. Predictors of Delayed Wound Healing after Endovascular Therapy of Isolated Infrapopliteal Lesions Underlying Critical Limb Ischemia in Patients with High Prevalence of Diabetes Mellitus and Hemodialysis. Eur J Vasc Endovasc Surg 2015; 49:565-73. [DOI: 10.1016/j.ejvs.2015.01.017] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 01/28/2015] [Indexed: 01/30/2023]
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Tojo S, Narita M, Koyama A, Sano M, Suzuki H, Tsuchiya T, Tsuchida H, Yamamoto S, Shishido H. Dipyridamole therapy in the nephrotic syndrome. Contrib Nephrol 2015; 9:111-27. [PMID: 352614 DOI: 10.1159/000401438] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dipyridamole was used in 30 cases of nephrotic syndrome, mostly of intractable type. The results indicate that the drug therapy proved to be effective in decreasing urinary protein and controlling nephrotic condition in 40% of the cases after an initial period of treatment. Long-term results of the drug on urinary protein and on nephrotic condition were rated as good in 36.7 and 53.3%, respectively, of the cases treated. The exact mechanism of action of dipyridamole in the nephrotic syndrome is still obscure in many respects. However, the fact that the drug shares its anti-platelet action with the non-steroid anti-inflammatory drugs, e.g. aspirin and indomethacin, and the rapidity with which it produces its urinary protein-decreasing effect, strongly suggests that it inhibits the release of vasoactive amines and other chemical mediators from blood platelets. As far as the present study is concerned, adverse side effects of dipyridamole were few or minimal, even when the drug used in large doses over a prolonged period of time. From these results it is considered that dipyridamole provides a new remedy which is worthy of trying in nephrotic syndrome as a means of reducing the requirement of steroids and immunosuppressive drugs.
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Shimada N, Fukuda T, Ishii Y, Sekikawa D, Ohtsuki M, Matsuda H, Kodeki K, Ohya G, Nagao F, Kimura N, Nakano S, Murakami S, Miyamoto S, Tsuchiya T. Serum hepatitis in Japan. Bibl Haematol 2015; 23:1066-70. [PMID: 5879441 DOI: 10.1159/000384359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Hori M, Someya M, Nakata K, Kitagawa M, Hasegawa T, Tsuchiya T, Gocho T, Fukushima Y, Takada Y, Sakata K. PO-1107 Comparative analysis of VMAT plans for prostate cancer with different MLCs, Elekta Agility and MLCi2. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)41099-0] [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: 10/23/2022]
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Tomoshige K, Tsuchiya T, Yamasaki N, Matsumoto K, Miyazaki T, Nagayasu T. 037 * INTRAOPERATIVE DIAGNOSIS OF LYMPH NODE METASTASIS IN NON-SMALL-CELL LUNG CANCER BY SEMI-DRY DOT-BLOT METHOD. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu276.37] [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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Tachi T, Yokoi T, Goto C, Umeda M, Noguchi Y, Yasuda M, Minamitani M, Mizui T, Tsuchiya T, Teramachi H. Hyponatremia and hypokalemia as risk factors for falls. Eur J Clin Nutr 2014; 69:205-10. [PMID: 25226820 DOI: 10.1038/ejcn.2014.195] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Revised: 07/31/2014] [Accepted: 08/08/2014] [Indexed: 11/09/2022]
Abstract
BACKGROUND/OBJECTIVES Fall accidents may reduce an individual's quality of life and ability to perform the activities of daily life, and may delay recovery from illness. Consequently, medical institutions need to take measures to prevent falls. There are various risk factors for falls, including advanced age, illness and medication effects. Although hyponatremia and hypokalemia have been reported to increase the rate of falls, how they affect falls is not fully understood. SUBJECTS/METHODS We retrospectively examined 2948 patients, ⩾18 years old who had been hospitalized for ⩾3 days at Gifu (Japan) Municipal Hospital between May 2012 and April 2013 to determine the effects of hyponatremia and hypokalemia on the risk of falls. After the patients had been divided into fall and non-fall groups, their data were subjected to univariate and multiple regression analysis to identify significant differences. RESULTS The univariate analysis results revealed significant differences between the groups in terms of age (⩾65 years); the presence of hyponatremia, hypokalemia, central nervous system disease, cardiovascular disease and/or peripheral nerve/muscular disease; intake of medications that increase the risk of falls; and increased sedative dosage. The multivariate analysis results revealed significant differences between the groups in terms of the presence of hyponatremia (odds ratio (OR), 1.751; 95% confidence interval (CI), 1.020-3.005), hypokalemia (OR, 2.209; 95% CI, 1.280-3.813), central nervous system disease (OR, 2.492; 95% CI, 1.629-3.814) and/or age ⩾65 years (OR, 2.180; 95% CI, 1.242-3.826). CONCLUSIONS The results indicated that the presence of hyponatremia or hypokalemia increases the risk of falls.
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Affiliation(s)
- T Tachi
- 1] Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan [2] Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - T Yokoi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
| | - C Goto
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - M Umeda
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - Y Noguchi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
| | - M Yasuda
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - M Minamitani
- Department of Nursing, Gifu Municipal Hospital, Gifu, Japan
| | - T Mizui
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - T Tsuchiya
- Community Health Support and Research Center, Gifu, Japan
| | - H Teramachi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
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Morita M, Katagiri Y, Tsuchiya T, Kitamura M. The utility of the shock index to predict hemoperitoneum of ectopic pregnancy. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.453] [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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