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Dekant R, Bertermann R, Serban J, Sharma S, Shinohara M, Morizawa Y, Okamoto H, Brock W, Dekant W, Mally A. Correction: Species-differences in the in vitro biotransformation of trifluoroethene (HFO-1123). Arch Toxicol 2024; 98:363-364. [PMID: 38057564 PMCID: PMC10761458 DOI: 10.1007/s00204-023-03640-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Affiliation(s)
- R Dekant
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - R Bertermann
- Department of Inorganic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - J Serban
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - S Sharma
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - M Shinohara
- Chemicals Company, AGC Inc, CSR Office, 1-5-1, Marunouchi, Chiyoda-ku, Tokyo, 100-8405, Japan
| | - Y Morizawa
- Chemicals Company, AGC Inc, CSR Office, 1-5-1, Marunouchi, Chiyoda-ku, Tokyo, 100-8405, Japan
| | - H Okamoto
- Chemicals Company, AGC Inc, CSR Office, 1-5-1, Marunouchi, Chiyoda-ku, Tokyo, 100-8405, Japan
| | - W Brock
- Brook Scientific Consulting LLC, Hilton Head Island, SC, USA
| | - W Dekant
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - A Mally
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany.
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Dekant R, Bertermann R, Serban J, Sharma S, Shinohara M, Morizawa Y, Okamoto H, Brock W, Dekant W, Mally A. Species-differences in the in vitro biotransformation of trifluoroethene (HFO-1123). Arch Toxicol 2023; 97:3095-3111. [PMID: 37792044 PMCID: PMC10567879 DOI: 10.1007/s00204-023-03603-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 08/30/2023] [Indexed: 10/05/2023]
Abstract
1,1,2-Trifluoroethene (HFO-1123) is anticipated for use as a refrigerant with low global warming potential. Inhalation studies on HFO-1123 in rats indicated a low potential for toxicity (NOAELs ≥ 20,000 ppm). In contrast, single inhalation exposure of Goettingen® minipigs (≥ 500 ppm) and New Zealand white rabbits (≥ 1250 ppm) resulted in severe toxicity. It has been suggested that these pronounced species-differences in toxicity may be attributable to species-differences in biotransformation of HFO-1123 via the mercapturic acid pathway. Therefore, the overall objective of this study was to evaluate species-differences in glutathione (GSH) dependent in vitro metabolism of HFO-1123 in susceptible versus less susceptible species and humans as a basis for human risk assessment. Biotransformation of HFO-1123 to S-(1,1,2-trifluoroethyl)-L-glutathione (1123-GSH) and subsequent cysteine S-conjugate β-lyase-mediated cleavage of the corresponding cysteine conjugate (1123-CYS) was monitored in hepatic and renal subcellular fractions of mice, rats, minipigs, rabbits, and humans. While 1123-GSH formation occurred at higher rates in rat and rabbit liver S9 compared to minipig and human S9, increased β-lyase cleavage of 1123-CYS was observed in minipig kidney cytosol as compared to cytosolic fractions of other species. Increased β-lyase activity in minipig cytosol was accompanied by time-dependent formation of monofluoroacetic acid (MFA), a highly toxic compound that interferes with cellular energy production via inhibition of aconitase. Consistent with the significantly lower β-lyase activity in human cytosols, the intensity of the MFA signal in human cytosols was only a fraction of the signal obtained in minipig subcellular fractions. Even though the inconsistencies between GSH and β-lyase-dependent metabolism do not allow to draw a firm conclusion on the overall contribution of the mercapturic acid pathway to HFO-1123 biotransformation and toxicity in vivo, the β-lyase data suggest that humans may be less susceptible to HFO-1123 toxicity compared to minipigs.
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Affiliation(s)
- R Dekant
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - R Bertermann
- Department of Inorganic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - J Serban
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - S Sharma
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - M Shinohara
- Chemicals Company, AGC Inc, CSR Office, 1-5-1, Marunouchi, Chiyoda-ku, Tokyo, 100-8405, Japan
| | - Y Morizawa
- Chemicals Company, AGC Inc, CSR Office, 1-5-1, Marunouchi, Chiyoda-ku, Tokyo, 100-8405, Japan
| | - H Okamoto
- Chemicals Company, AGC Inc, CSR Office, 1-5-1, Marunouchi, Chiyoda-ku, Tokyo, 100-8405, Japan
| | - W Brock
- Brook Scientific Consulting LLC, Hilton Head Island, SC, USA
| | - W Dekant
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany
| | - A Mally
- Department of Toxicology, University of Würzburg, Versbacher Strasse 9, 97078, Würzburg, Germany.
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Hasegawa T, Ueda N, Yamada SI, Kato S, Iwata E, Hayashida S, Kojima Y, Shinohara M, Tojo I, Nakahara H, Yamaguchi T, Kirita T, Kurita H, Shibuya Y, Soutome S, Akashi M. Correction to: Denosumab-related osteonecrosis of the jaw after tooth extraction and the effects of a short drug holiday in cancer patients: a multicenter retrospective study. Osteoporos Int 2023; 34:1823-1825. [PMID: 37493979 DOI: 10.1007/s00198-023-06833-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Affiliation(s)
- T Hasegawa
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - N Ueda
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - S I Yamada
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - S Kato
- Department of Oral and Maxillofacial Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - E Iwata
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
- Department of Oral and Maxillofacial Surgery, Kakogawa Central City Hospital, Kakogawa, Japan
| | - S Hayashida
- Department of Clinical Oral Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Y Kojima
- Department of Dentistry and Oral Surgery, Kansai Medical University, Hirakata, Japan
| | - M Shinohara
- Department of Oral and Maxillofacial Surgery, Juntendo University School of Medicine, Tokyo, Japan
| | - I Tojo
- Department of Oral and Maxillofacial Surgery, Wakayama Medical University, Wakayama, Japan
| | - H Nakahara
- Department of Oral and Maxillofacial Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - T Yamaguchi
- Department of Preventive Dentistry, Research Field in Dentistry, Medical and Dental Sciences Area, Kagoshima University, Kagoshima, Japan
| | - T Kirita
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - H Kurita
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Y Shibuya
- Department of Oral and Maxillofacial Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - S Soutome
- Department of Oral Health, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - M Akashi
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
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BRIAND PhD F, Shinohara M, Kageyama Y, Sulpice T. WCN23-0212 LIRAGLUTIDE IMPROVES BOTH DIABETIC NEPHROPATHY AND CARDIOMYOPATHY IN THE SDT FATTY RAT, A CARDIORENAL MODEL OF TYPE 2 DIABETES. Kidney Int Rep 2023. [DOI: 10.1016/j.ekir.2023.02.469] [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: 03/22/2023] Open
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Nakasone K, Nishimori M, Kiuchi K, Shinohara M, Fukuzawa K, Takami T, Nakamura T, Sonoda Y, Takahara H, Yamamoto K, Suzuki Y, Tani K, Iwai H, Nakanishi Y, Hirata K. Prediction of difficulty in cryoballoon ablation with a 3D deep learning model using polygonal mesh representation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Cryoballoon ablation (CBA) is a useful treatment for pulmonary vein isolation (PVI). Some cases, however, are difficult to treat and may require multiple freezing procedures and/or touch-up ablation. Although several predictors of CBA difficulty have been reported, no report has been able to assess the spatial location and morphology of the left atrium (LA) and pulmonary veins (PVs). A polygonal mesh is a collection of vertices, edges, and faces that defines the shape of a polyhedral object, and is able to represent a spatial location with a small amount of information. We hypothesized that a deep learning model that learns mesh representation datasets could more accurately detect the CBA difficulty and that we could establish a novel evaluation method in CBA.
Purpose
The aim of this study was to create a model to predict CBA difficulty with a 3D deep learning model using polygonal mesh representation.
Methods and results
All the 140 patients who underwent CBA for drug-resistant atrial fibrillation between January 2015 and January 2022 were included. A 28-mm cryoballoon (Arctic Front Advance, Medtronic) was used in all cases. We defined CBA difficulty as requiring a touch-up ablation procedure to create complete PVI. We converted the volume data in DICOM format of the computed tomography images of PVs and LA to obj file format (shown in Figure 1), which supports the definition of the geometry for object surfaces using polygonal meshes. Next, we developed a deep learning model that could learn polygonal meshes and classify whether the CBA required touch-up ablation or not. Only a training dataset is used to train the deep learning model, and finally, a test dataset is used to evaluate the model metrics. The accuracy, area under the ROC curve, recall, precision, and f1-score of the deep learning model using the test dataset was 86.5%, 87.7%, 66.7%, 75.0%, 70.6%, respectively.
Conclusions
We developed a 3D deep learning model that can detect a difficulty in CBA using polygonal mesh representation. By predicting difficult cases in advance, we will be able to develop strategies to increase the success rate.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - K Tani
- Kobe University , Kobe , Japan
| | - H Iwai
- Kobe University , Kobe , Japan
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Kim EJ, Mangold AR, DeSimone JA, Wong HK, Seminario-Vidal L, Guitart J, Appel J, Geskin L, Lain E, Korman NJ, Zeitouni N, Nikbakht N, Dawes K, Akilov O, Carter J, Shinohara M, Kuzel TM, Piette W, Bhatia N, Musiek A, Pariser D, Kim YH, Elston D, Boh E, Duvic M, Huen A, Pacheco T, Zwerner JP, Lee ST, Girardi M, Querfeld C, Bohjanen K, Olsen E, Wood GS, Rumage A, Donini O, Haulenbeek A, Schaber CJ, Straube R, Pullion C, Rook AH, Poligone B. Efficacy and Safety of Topical Hypericin Photodynamic Therapy for Early-Stage Cutaneous T-Cell Lymphoma (Mycosis Fungoides): The FLASH Phase 3 Randomized Clinical Trial. JAMA Dermatol 2022; 158:1031-1039. [PMID: 35857290 PMCID: PMC9301595 DOI: 10.1001/jamadermatol.2022.2749] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Given that mycosis fungoides-cutaneous T-cell lymphoma (MF/CTCL) is chronic, there is a need for additional therapies with minimal short- and long-term adverse effects. Topical synthetic hypericin ointment, 0.25%, activated with visible light is a novel, nonmutagenic photodynamic therapy (PDT). Objectives To determine the efficacy and safety of topical synthetic hypericin ointment, 0.25%, activated with visible light as a nonmutagenic PDT in early-stage MF/CTCL. Design, Settings, and Participants This was a multicenter, placebo-controlled, double-blinded, phase 3 randomized clinical trial (FLASH study) conducted from December 2015 to November 2020 at 39 academic and community-based US medical centers. Participants were adults (≥18 years) with early-stage (IA-IIA) MF/CTCL. Interventions In cycle 1, patients were randomized 2:1 to receive hypericin or placebo to 3 index lesions twice weekly for 6 weeks. In cycle 2, all patients received the active drug for 6 weeks to index lesions. In cycle 3 (optional), both index and additional lesions received active drug for 6 weeks. Main Outcomes and Measures The primary end point was index lesion response rate (ILRR), defined as 50% or greater improvement in modified Composite Assessment of Index Lesion Severity (mCAILS) score from baseline after 6 weeks of therapy for cycle 1. For cycles 2 and 3, open label response rates were secondary end points. Adverse events (AEs) were assessed at each treatment visit, after each cycle, and then monthly for 6 months. Data analyses were performed on December 21, 2020. Results The study population comprised 169 patients (mean [SD] age, 58.4 [16.0] years; 96 [57.8%] men; 120 [72.3%] White individuals) with early-stage MF/CTCL. After 6 weeks of treatment, hypericin PDT was more effective than placebo (cycle 1 ILRR, 16% vs 4%; P = .04). The ILRR increased to 40% in patients who received 2 cycles of hypericin PDT (P < .001 vs cycle 1 hypericin) and to 49% after 3 cycles (P < .001 vs cycle 1 hypericin). Significant clinical responses were observed in both patch and plaque type lesions and were similar regardless of age, sex, race, stage IA vs IB, time since diagnosis, and number of prior therapies. The most common treatment-related AEs were mild local skin (13.5%-17.3% across cycles 1-3 vs 10.5% for placebo in cycle 1) and application-site reactions (3.2%-6.9% across cycles 1-3 vs 4% for placebo in cycle 1). No drug-related serious AEs occurred. Conclusion and Relevance The findings of this randomized clinical trial indicate that synthetic hypericin PDT is effective in early-stage patch and plaque MF/CTCL and has a favorable safety profile. Trial Registration ClinicalTrials.gov Identifier: NCT02448381.
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Affiliation(s)
- Ellen J. Kim
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia
| | | | | | - Henry K. Wong
- University of Arkansas for Medical Sciences, Little Rock
| | | | - Joan Guitart
- Feinberg School of Medicine at Northwestern University, Chicago, Illinois
| | - James Appel
- PMG Research of Wilmington, Wilmington, North Carolina
- Campbell University−Sampson Regional Medical Center, Buies Creek, North Carolina
| | - Larisa Geskin
- Columbia University Medical Center, New York, New York
| | - Edward Lain
- Austin Institute for Clinical Research, Pflugerville, Texas
| | - Neil J. Korman
- University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | | | - Neda Nikbakht
- Department of Dermatology and Cutaneous Biology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Kenneth Dawes
- Dawes Fretzin Dermatology Group, Indianapolis, Indiana
| | - Oleg Akilov
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Joi Carter
- Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire
| | - Michi Shinohara
- University of Washington−Seattle Cancer Care Alliance, Seattle
| | | | | | - Neal Bhatia
- Therapeutics Clinical Research, San Diego, California
| | - Amy Musiek
- Washington University School of Medicine, St Louis, Missouri
| | | | - Youn H. Kim
- Stanford University School of Medicine, Stanford, California
| | - Dirk Elston
- Medical University of South Carolina, Charleston
| | - Erin Boh
- Tulane University, New Orleans, Louisiana
| | | | - Auris Huen
- University of Texas−MD Anderson Cancer Center, Houston
| | | | | | - Seung Tae Lee
- University of Maryland Comprehensive Cancer Center, Baltimore
| | | | | | | | - Elise Olsen
- Duke University Medical Center, Durham, North Carolina
| | | | | | | | | | | | | | | | - Alain H. Rook
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia
| | - Brian Poligone
- Rochester Skin Lymphoma Medical Group, Fairport, New York
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Zagona-Prizio C, Yousif J, Grant C, Mehta M, Rosmarin D, Silverberg N, Tan J, Larocca C, Shinohara M, Mostaghimi A, Kim B, Gulliver S, Gulliver W, Siegel D, Perez-Chada L, Merola J, Gottlieb A, Armstrong A. International Dermatology Outcome Measures (IDEOM): Report from the 2021 Annual Meeting. J Drugs Dermatol 2022; 21:867-874. [DOI: 10.36849/jdd.6974] [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: 11/09/2022]
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Saknite I, Gill M, Alessi-Fox C, Zwerner J, Lehman J, Shinohara M, Novoa R, Chen H, Byrne M, Gonzalez S, Ardigo M, Tkaczyk E. 806 Histopathology features of cutaneous acute graft-versus-host disease can be reliably detected by noninvasive reflectance confocal microscopy. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.820] [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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KODAMA G, Kaida Y, Ito S, Ohta K, Yokota Y, Shinohara M, Fukami K. POS-335 Mechanism of the canagliflozin-induced early decline in GFR in obese diabetic rats. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.356] [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: 10/19/2022] Open
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FUKAMI K, Ota K, Kodama G, Yokota Y, Shinohara M, Ito S. POS-329 EFFECTS OF COMBINATION OF RTA dh404 AND DAPAGLIFLOZIN ON RENAL INVOLVEMENT AND BODY COMPOSITION IN EXPERIMENTAL RAT MODEL OF DIABETIC KIDNEY DISEASE. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Ito S, Kaida Y, Kodama G, Yokota Y, Ohta K, Shinohara M, Tashiro K, Fukami K. POS-331 L-carnitine ameliorates diabetic kidney disease by alleviating mitochondrial abnormality and fatty acid accumulation in SDT-fatty rats. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.352] [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] Open
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Hasegawa T, Ueda N, Yamada SI, Kato S, Iwata E, Hayashida S, Kojima Y, Shinohara M, Tojo I, Nakahara H, Yamaguchi T, Kirita T, Kurita H, Shibuya Y, Soutome S, Akashi M. Denosumab-related osteonecrosis of the jaw after tooth extraction and the effects of a short drug holiday in cancer patients: a multicenter retrospective study. Osteoporos Int 2021; 32:2323-2333. [PMID: 33997909 DOI: 10.1007/s00198-021-05995-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 05/05/2021] [Indexed: 12/15/2022]
Abstract
UNLABELLED Pre-existing inflammation, corticosteroid therapy, periapical periodontitis, longer duration of denosumab therapy, and female sex were significantly associated with an increased risk of denosumab-related osteonecrosis of the jaw after tooth extraction in patients with cancer on oncologic doses of denosumab. A short drug holiday did not protect against this complication. INTRODUCTION This study retrospectively investigated the relationship between various risk factors, including brief discontinuation of denosumab, and development of denosumab-related osteonecrosis of the jaw (DRONJ) after tooth extraction in patients with cancer who were receiving oncologic doses of this agent. METHODS Data were collected on demographic characteristics, duration of denosumab therapy, whether or not denosumab was discontinued before tooth extraction (drug holiday), duration of discontinuation, presence of pre-existing inflammation, and whether or not additional surgical procedures were performed. Risk factors for DRONJ after tooth extraction were evaluated by univariate and multivariate analyses. RESULTS A total of 136 dental extractions were performed in 72 patients (31 men, 41 women) with cancer who were receiving oncologic doses of denosumab. Post-extraction DRONJ was diagnosed in 39 teeth (28.7%) in 25 patients. Tooth extraction was significantly associated with development of DRONJ only in patients with pre-existing inflammation (odds ratio [OR] 243.77), those on corticosteroid therapy (OR 73.50), those with periapical periodontitis (OR 14.13), those who had been taking oncologic doses of denosumab for a longer period (OR 4.69), and in women (OR 1.04). There was no significant difference in the occurrence of DRONJ between patients who had a drug holiday before tooth extraction and those who did not. CONCLUSIONS These findings suggest that inflamed teeth should be extracted immediately in patients with cancer who are receiving oncologic doses of denosumab. Drug holidays have no significant impact on the risk of DRONJ.
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Affiliation(s)
- T Hasegawa
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - N Ueda
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - S I Yamada
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - S Kato
- Department of Oral and Maxillofacial Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - E Iwata
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
- Department of Oral and Maxillofacial Surgery, Kakogawa Central City Hospital, Kakogawa, Japan
| | - S Hayashida
- Department of Clinical Oral Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Y Kojima
- Department of Dentistry and Oral Surgery, Kansai Medical University, Hirakata, Japan
| | - M Shinohara
- Department of Oral and Maxillofacial Surgery, Juntendo University School of Medicine, Tokyo, Japan
| | - I Tojo
- Department of Oral and Maxillofacial Surgery, Wakayama Medical University, Wakayama, Japan
| | - H Nakahara
- Department of Oral and Maxillofacial Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - T Yamaguchi
- Department of Preventive Dentistry, Research Field in Dentistry, Medical and Dental Sciences Area, Kagoshima University, Kagoshima, Japan
| | - T Kirita
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - H Kurita
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Y Shibuya
- Department of Oral and Maxillofacial Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - S Soutome
- Department of Oral Health, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - M Akashi
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
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Wada R, Shinohara M, Yao S, Yano K, Akitsu K, Koike H, Kinoshita T, Yuzawa H, Nakanishi R, Fujino T, Ikeda T. Significance of mitral L wave to predict late recurrence of atrial fibrillation after radiofrequency catheter ablation. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Mitral L wave, prominent mid-diastolic filling wave in echocardiographic examinations, is associated with severe left ventricular diastolic dysfunction, and that has been reported to predict recurrent atrial fibrillation (AF) after cardioversion. However, association between mitral L wave and the outcome of AF after radiofrequency catheter ablation (RFCA) has not been established.
Objective
The aim of this study is to evaluate the predictive value of mitral L wave on AF recurrence after RFCA.
Methods
250 patients including 164 paroxysmal AF (65.6%) and 86 non-paroxysmal AF (34.4%) who received RFCA in single center from January 2015 to December 2016 were enrolled consecutively. Echocardiographic examinations before RFCA were recorded, and the mitral L wave was defined as a distinct mid-diastolic flow velocity with a peak velocity ≥20 cm/s following the E wave. Systematic follow-up was conducted after RFCA. Univariate and multivariate analyses were carried out to determine the factors predicting late recurrence of AF (LRAF) which means AF recurrence after 3 months. Enrolled patients were divided into groups with the L wave (L-group; n=57) or without the L wave (NL-group; n=193) based on the findings of echocardiographic examinations.
Results
During a follow-up of 35.0±17.6 months, the ratio of LRAF in the L-group was significantly higher than that in the NL-group (32 (56.1%) vs. 41 (21.2%), Hazard ratio [HR]: 3.55, 95% confidence interval [CI]: 2.33 - 5.42, p<0.001). Among the clinical factors, presence of mitral L wave, BNP value, non-paroxysmal AF and moderate-severe mitral regurgitation were related to LRAF. A multivariate analysis using a Cox proportional hazard model found that presence of mitral L wave (HR: 2.67, 95% CI: 1.30 - 5.48, p=0.007) was significantly associated with LRAF.
Conclusion
This study revealed that mitral L wave predicts late recurrence of AF after RFCA.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- R Wada
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - M Shinohara
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - S Yao
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - K Yano
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - K Akitsu
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - H Koike
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - T Kinoshita
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - H Yuzawa
- Toho University Faculty of Medicine, Division of Cardiovascular Medicine, Department of Internal Medicine, Tokyo, Japan
| | - R Nakanishi
- Toho University Graduate School of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - T Fujino
- Toho University Graduate School of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - T Ikeda
- Toho University Graduate School of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
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Kinoshita T, Yuzawa H, Wada R, Yano K, Yao S, Akitsu K, Koike H, Shinohara M, Abe A, Fujino T, Ogata H, Ikeda T. Electrocardiographic evaluation of depolarization and repolarization abnormalities in breast cancer patients with HER2-inhibitor related cardiac dysfunction. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The arrhythmic substrates of the myocardium such as depolarization and repolarization abnormalities are thought to reflect cardiac dysfunction prior to the morphologic left ventricular dysfunction. Activation time (AT), recovery time (RT) and T wave peek-end interval dispersion (Tpe-dispersion) are useful indicators of the arrhythmic substrate. We examined the appearance of depolarization and repolarization abnormalities in patients with cancer therapeutics-related cardiac dysfunction (CTRCD) using AT, RT and Tpe-dispersion.
Methods
We conducted a standardized case-control study of CTRCD with 40 patients who developed breast cancer and treated with trastuzumab (13 cases and 27 controls). We assessed the relation between electrocardiographic indexes, including AT, RT and corrected Tpe-dispersion, and CTRCD. QT intervals were measured by Fridericia method, and QT observer 3 software were used for the measurement of all electrocardiographic indexes.
Results
LVEF in case and control group were 45.7±8% and 69.2±6%, respectively. AT in aVR lead was significantly higher in case group compared with control (28.8±7ms vs 22.8±5ms, P=0.02). corrected Tpe-dispersion tended to be higher in case group than that of control group (43.2±19ms vs 31.9±10ms, P=0.06). QT dispersion and RT dispersion were not different between case and control group.
Conclusions
Our study demonstrated that AT in aVR may predict cardiac dysfunction in breast cancer patients with HER2-inhibitor related cardiac dysfunction. More detailed studies using other modalities which can detect depolarization and repolarization abnormalities, including ventricular late potentials and T wave alternans, are needed.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- T Kinoshita
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - H Yuzawa
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - R Wada
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - K Yano
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - S Yao
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - K Akitsu
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - H Koike
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - M Shinohara
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - A Abe
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - T Fujino
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
| | - H Ogata
- Toho University Faculty of Medicine, Division of Breast and Endocrine Surgery (Omori), Department of Surgery, Tokyo, Japan
| | - T Ikeda
- Toho University Faculty of Medicine, Department of Cardiovascular Medicine, Tokyo, Japan
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Kumagai S, Takahashi S, Takahashi M, Saito T, Yoshida K, Katayama M, Mukohara S, Amano N, Onishi A, Shinohara M, Hatachi S. FRI0129 DEVELOPMENT OF A PREDICTION MODEL FOR MAXIMUM METHOTREXATE (MTX) DOSE WITHOUT HEPATOTOXICITY USING AN INDEX OF ERYTHROCYTE MTX-POLYGLUTAMATE (MTXPG) LEVELS SPECULATED BY CLINICAL AND GENETIC MARKERS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:MTX is transported into cells and retained long after polyglutamation. MTXPG level can predict response and possibly adverse effects of MTX. We reported erythrocyte MTXPG concentrations efficiently discriminated patients with and without hepatotoxicity1. We also developed genetic and clinical prediction models for efficacy and hepatotoxicity of MTX2. In the present study, we firstly investigated the effects of clinical and secondly genetic variables on the concentration of total MTXPG and determined oral maximum MTX dose without hepatotoxicity using these variables.Objectives:To develop a prediction model for maximum MTX dose without hepatotoxicity.Methods:Concentrations of erythrocyte MTX-PG (PG1 to PG4) were detected by LC-MS/MS and calculated total MTXPG as sum of them. MTX-PGn levels were measured in 265 RA patients including 40 patients with elevated AST or ALT (≥ 60 U/L; 1.5 times of upper limits) and the 6 SNPs of 6 gens related to MTXPG metabolism were identified by RT-PCR.Results:Total concentrations of MTXPG were 141.3 ± 86.5 and 87.6 ± 47.8 nmol/L (mean±SD) in 40 RA patients with hepatotoxicity and 225 patients without, respectively (p<0.0001). By ROC analysis, the two groups were most efficiently discriminated with cutoff concentration of 100.0 nmol/L (AUC 0.731). Next, genetic and clinical model to speculate the MTXPG concentration was established by multivariate analysis using 4 clinical and 3 genetic variables which were selected from 20 clinical and 6 genetic variables by univariate analysis (p<0.1). Finally, a speculation model for MTXPG concentration by 4 clinical variables (MTX dose, BMI, RBC count, and creatinine) and one genetic variable (GGH c.452C>T) was developed (Figure). When MTXPG concentration of 100 nmol/L was applied to the model, maximum MTX dose without hepatotoxicity was calculated for each patient asMTX dose (mg) = {100 (MTXPG) – 96 + 1.7*BMI + 28*RBC - 120*creatinine - 19.3*GGH(C/T)} / 7.7. Real dose of oral MTX exceeded the calculated dose in 23 of 40 patients (57.5%) with hepatotoxicity, whereas it exceeded in 95 of 223 patients (42.6%) without hepatotoxicity (OR 1.82, p=0.081).Conclusion:Maximum MTX dose without hepatotoxicity was speculated by several clinical and genetic markers without measurement of erythrocyte MTX-PG concentrations.References:[1]Takahashi M, et al: Clinical Pathology (Rinsho Byori), 67:433-442, 2019.[2]Onishi A, et al: The Pharmacogenomics J, doi.org/10.1038/s41397-019-0134-9, 2019Disclosure of Interests:Shunichi Kumagai Grant/research support from: Astellas, Chugai, Mitsubishi Tanabe Co.Ltds, Consultant of: Sysmex Co.Ltd, Speakers bureau: many companies, Soshi Takahashi: None declared, Miho Takahashi: None declared, Toshiharu Saito: None declared, Katsuyuki Yoshida: None declared, Motoko Katayama: None declared, Saki Mukohara: None declared, Norihiko Amano: None declared, Akira Onishi Speakers bureau: AO received a speaker fee from Chugai, Ono Pharmaceutical, Eli Lilly, Mitsubishi-Tanabe, Asahi-Kasei, and Takeda, Masakazu Shinohara: None declared, Saori Hatachi: None declared
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16
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Zic JA, Ai W, Akilov OE, Carter JB, Duvic M, Foss F, Girardi M, Gru AA, Kim E, Musiek A, Olsen EA, Schieke SM, Shinohara M, Zain JM, Geskin LJ. United States Cutaneous Lymphoma Consortium recommendations for treatment of cutaneous lymphomas during the COVID-19 pandemic. J Am Acad Dermatol 2020; 83:703-704. [PMID: 32305443 PMCID: PMC7161526 DOI: 10.1016/j.jaad.2020.04.049] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 04/11/2020] [Accepted: 04/12/2020] [Indexed: 11/16/2022]
Affiliation(s)
- John A Zic
- Department of Dermatology, Vanderbilt University Medical Center, Nashville, Tennessee.
| | - Weiyun Ai
- Division of Hematology/Oncology, University of California San Francisco, San Francisco, California
| | - Oleg E Akilov
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Joi B Carter
- Department of Dermatology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
| | - Madeleine Duvic
- Department of Dermatology, MD Anderson Cancer Center, Houston, Texas
| | - Francine Foss
- Division of Hematology/Oncology, Yale-New Haven Medical Center, New Haven, Connecticut
| | - Michael Girardi
- Department of Dermatology, Yale-New Haven Medical Center, New Haven, Connecticut
| | - Alejandro A Gru
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Ellen Kim
- Department of Dermatology, University of Pennsylvania Perelman Center for Advanced Medicine, Philadelphia, Pennsylvania
| | - Amy Musiek
- Division of Dermatology, Washington University in Saint Louis, St Louis, Missouri
| | - Elise A Olsen
- Department of Dermatology, Duke University School of Medicine, Durham, North Carolina
| | - Stefan M Schieke
- Department of Dermatology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Michi Shinohara
- Department of Dermatology, University of Washington Medical Center, Seattle, Washington
| | - Jasmine M Zain
- Division of Hematology and Hematopoietic Cell Transplantation, City of Hope Comprehensive Cancer Center, Duarte, California
| | - Larisa J Geskin
- Department of Dermatology, Columbia University Irving Medical Center, New York, New York.
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Kinoshita T, Yuzawa H, Wada R, Yao S, Yano K, Akitsu K, Shinohara M, Koike H, Suzuki T, Abe A, Fujino T, Ikeda T. P93 The usefulness of dual cardiac autonomic nervous modulation assessment for prediction of mortality in patients with relatively preserved left ventricular ejection fraction. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehz872.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Recent guidelines have stated that reduced left ventricular ejection fraction (LVEF) is the gold standard marker for identifying patients at risk for cardiac mortality. Although reduced LVEF identifies patients at an increased risk of cardiac arrest, sudden cardiac deaths (SCDs) occur considerably more often in patients with relatively preserved LVEF. Current guidelines on SCDs risk stratification do not adequately cover this general population pool. Heart rate variability (HRV) and heart rate turbulence (HRT) are non-invasive electrocardiography (ECG)-based techniques capable of providing relevant information on the cardiac autonomic nervous modulation. Although a large body of evidence about autonomic nervous modulation markers has been reported, the usefulness of HRV and HRT parameters for risk stratification in such patients with relatively preserved LVEF has not yet been elucidated.
Purpose
This study aimed to evaluate HRV and HRT parameters for predicting cardiac mortality in patients with structural heart disease (SHD), including ischemic heart disease, dilated cardiomyopathy and valvular heart disease, who have mid-range left ventricular dysfunction (LVD).
Methods
We prospectively enrolled 229 patients (187 men, age 63 ± 13 years) with SHD who have mid-range LVD (LVEF > 40%). HRV and HRT parameters based on 24-hour ambulatory ECG recordings (Fukuda Denshi Co., Ltd., Tokyo, Japan) were evaluated as follows; SDNN, triangular index, high and low frequency HRV, turbulence onset and slope. The primary endpoint was all-cause mortality. Univariate and multivariate Cox regression analysis were used to assess the association between these cardiac autonomic nervous modulation and mortality.
Results
During a mean follow-up of 21 ± 11 months, all-cause mortality was seen in 11 (4.8%) patients. Univariate Cox regression analysis showed that reduced SDNN (<50ms), reduced triangular index (<20ms) and HRT category 2 were significantly associated with the primary endpoint (P < 0.05). When HRT category 2 combined with reduced SDNN, Multivariate Cox regression analysis revealed that this combination more strongly associates with the primary endpoint (hazard ratio =7.91, 95%CI, 1.82-34.2; P = 0.006).
Conclusion
Dual cardiac autonomic nervous modulation assessment which combined HRT and HRV could be a superior technique to predict mortality in patients with relatively preserved LVEF.
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Affiliation(s)
- T Kinoshita
- Toho University Faculty of Medicine, Tokyo, Japan
| | - H Yuzawa
- Toho University Faculty of Medicine, Tokyo, Japan
| | - R Wada
- Toho University Faculty of Medicine, Tokyo, Japan
| | - S Yao
- Toho University Faculty of Medicine, Tokyo, Japan
| | - K Yano
- Toho University Faculty of Medicine, Tokyo, Japan
| | - K Akitsu
- Toho University Faculty of Medicine, Tokyo, Japan
| | - M Shinohara
- Toho University Faculty of Medicine, Tokyo, Japan
| | - H Koike
- Toho University Faculty of Medicine, Tokyo, Japan
| | - T Suzuki
- Toho University Faculty of Medicine, Tokyo, Japan
| | - A Abe
- Toho University Faculty of Medicine, Tokyo, Japan
| | - T Fujino
- Toho University Faculty of Medicine, Tokyo, Japan
| | - T Ikeda
- Toho University Faculty of Medicine, Tokyo, Japan
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18
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Affiliation(s)
- Michi Shinohara
- University of Washington Dermatology and Dermatopathology, University of Washington, Seattle, Washington, United States
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19
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Affiliation(s)
- Katherine Altman
- Division of Dermatology, Department of Medicine, University of Washington, Seattle
| | - Michi Shinohara
- Division of Dermatology, Department of Medicine, University of Washington, Seattle
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20
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Shinohara M, Wada R, Akitsu K, Kinoshita T, Yuzawa H, Fujino T, Ikeda T. P3754Comparison of the transdermal bisoprolol patch with the oral bisoprolol fumarate administration as a therapeutic agent for idiopathic frequent premature ventricular contractions. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
The transdermal bisoprolol patch (TB) was designed to maintain a sustained concentration of bisoprolol in plasma by higher trough concentration than the oral bisoporolol fumarate administration (OB). It is unclear whether the TB is as effective in treating idiopathic premature ventricular contractions (PVCs) as the OB.
Purpose
We compared the efficacy between the TB and OB in treating idiopathic PVCs while considering their duration of action.
Methods
Among 198 patients with a PVC count of ≥3,000 beats/24 hours, 84 patients were divided into groups treated with TB 4mg (n=50) or OB 2.5mg (n=34). The PVCs were divided into positive heart rate (HR)-dependent PVCs (P-PVCs) and non-positive HR-dependent PVCs (NP-PVCs) based on the relationship between the hourly PVCs density and hourly mean HR. To evaluate the efficacy, PVC counts by 24-hour Holter electrocardiograms were measured at baseline and at 1 month after the initiation of the therapy.
Results
There were no significant between-group differences for the mean HR, PVC count, or type of PVCs. Both the TB (from 16,692±9,737 to 10,442±10,711 beats/24 hours, P<0.001) and OB (from 19,633±16,298 to 9,235±12,124 beats/24 hours, P<0.001) significantly decreased the total PVC count after the initiation of therapy, and a comparison between the two drugs showed no significant difference (P=0.46). In the P-PVC group, both the TB and OB significantly decreased the total PVC count (P<0.001, P=0.022 respectively), PVC count during the day-time (P<0.001, P=0.030 respectively), and PVC count during the night-time (P=0.0038, P=0.022 respectively). In contrast, in the NP-PVC group, neither the TB nor OB made any significantly change in the total PVC count (P=0.079, P=0.10 respectively), PVC count during the day-time (P=0.35, P=0.12 respectively), or PVC count during the night-time (P=0.11, P=0.12 respectively). The TB exhibited a significant reduction during each time period regarding the changes within 24-hours in the P-PVC count from baseline, while the OB did not significantly reduce the P-PVC count from baseline during each time period between 0 and 5 o'clock.
Conclusions
Compared with the OB, the TB could be used with the same efficacy for reducing the PVC count. The TB could be a more useful therapeutic agent for idiopathic P-PVCs during a 24-hour period than the OB.
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Affiliation(s)
- M Shinohara
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
| | - R Wada
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
| | - K Akitsu
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
| | - T Kinoshita
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
| | - H Yuzawa
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
| | - T Fujino
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
| | - T Ikeda
- Toho University Faculty of Medicine, Cardiovascular Medicine, Tokyo, Japan
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21
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Fujino T, Yuzawa H, Kinoshita T, Shinohara M, Koike H, Akitsu K, Yano K, Wada R, Suzuki T, Ikeda T. P6559Long-term follow-up and outcomes of patients with discontinuation of oral anticoagulant therapy after successful ablation procedures for atrial fibrillation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.1149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Oral anticoagulant therapy (OAT) is effective for preventing strokes in atrial fibrillation (AF) patients. Currently, there is controversy regarding the discontinuation of OATs in patients with ablation procedures to eliminate AF.
Aim
We investigated the incidence of major bleeding and ischemic strokes/systemic embolisms in low-risk patients that discontinued OATs after successful AF ablation procedures.
Methods
Of 330 consecutive patients that underwent AF ablation procedures and were prescribed one of the direct oral anticoagulants or warfarin, 207 AF patients (158 men, mean age 61±11 years) who discontinued OATs three months after the procedure were enrolled. The average CHADS2 and HAS-BLED scores were 1.0±0.9 and 1.2±1.0, respectively, which meant that most patients had a low risk for strokes.
Results
During follow-up, 31 patients (15%) had recurrences of AF. Those patients underwent a re-ablation procedure and then re-discontinued their OATs three months after the session. During a 60±13 months follow-up, major bleeding was observed in five patients (2.4%) and was associated with a higher HAS-BLED score (2.2±0.4 vs. 1.1±1.0, P=0.027). In contrast, none of the patients experienced ischemic strokes/systemic embolisms.
Conclusions
This prospective study demonstrated that in patients with successful ablation procedures and low risk scores for AF management, OATs could be discontinued three months after the procedure. Unnecessary continuation of OATs may increase the incidence of major bleeding during the follow-up.
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Affiliation(s)
- T Fujino
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - H Yuzawa
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - T Kinoshita
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - M Shinohara
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - H Koike
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - K Akitsu
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - K Yano
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - R Wada
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - T Suzuki
- Toho University Graduate School of Medicine, Tokyo, Japan
| | - T Ikeda
- Toho University Graduate School of Medicine, Tokyo, Japan
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22
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Miyazaki T, Zhao Z, Ichihara Y, Yoshino D, Imamura T, Sawada K, Hayano S, Kamioka H, Mori S, Hirata H, Araki K, Kawauchi K, Shigemoto K, Tanaka S, Bonewald LF, Honda H, Shinohara M, Nagao M, Ogata T, Harada I, Sawada Y. Mechanical regulation of bone homeostasis through p130Cas-mediated alleviation of NF-κB activity. Sci Adv 2019; 5:eaau7802. [PMID: 31579816 PMCID: PMC6760935 DOI: 10.1126/sciadv.aau7802] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 09/03/2019] [Indexed: 05/07/2023]
Abstract
Mechanical loading plays an important role in bone homeostasis. However, molecular mechanisms behind the mechanical regulation of bone homeostasis are poorly understood. We previously reported p130Cas (Cas) as a key molecule in cellular mechanosensing at focal adhesions. Here, we demonstrate that Cas is distributed in the nucleus and supports mechanical loading-mediated bone homeostasis by alleviating NF-κB activity, which would otherwise prompt inflammatory processes. Mechanical unloading modulates Cas distribution and NF-κB activity in osteocytes, the mechanosensory cells in bones. Cas deficiency in osteocytes increases osteoclastic bone resorption associated with NF-κB-mediated RANKL expression, leading to osteopenia. Upon shear stress application on cultured osteocytes, Cas translocates into the nucleus and down-regulates NF-κB activity. Collectively, fluid shear stress-dependent Cas-mediated alleviation of NF-κB activity supports bone homeostasis. Given the ubiquitous expression of Cas and NF-κB together with systemic distribution of interstitial fluid, the Cas-NF-κB interplay may also underpin regulatory mechanisms in other tissues and organs.
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Affiliation(s)
- T. Miyazaki
- Department of Geriatric Medicine, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
- Department of Orthopaedic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
- Corresponding author. (T.M.); (Y.S.)
| | - Z. Zhao
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore
| | - Y. Ichihara
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Division of Pharmacology, Faculty of Medicine, Tottori University, Yonago, Tottori 683-8503, Japan
| | - D. Yoshino
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Creative Interdisciplinary Research Division, Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Miyagi 980-8578, Japan
| | - T. Imamura
- Division of Pharmacology, Faculty of Medicine, Tottori University, Yonago, Tottori 683-8503, Japan
| | - K. Sawada
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Laboratory for Mechanical Medicine, Nadogaya Research Institute, Nadogaya Hospital, Kashiwa, Chiba 277-0032, Japan
| | - S. Hayano
- Department of Orthodontics, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Okayama 700-8525, Japan
| | - H. Kamioka
- Department of Orthodontics, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Okayama 700-8525, Japan
| | - S. Mori
- Department of Geriatric Medicine, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - H. Hirata
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - K. Araki
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - K. Kawauchi
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - K. Shigemoto
- Department of Geriatric Medicine, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - S. Tanaka
- Department of Orthopaedic Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - L. F. Bonewald
- Indiana Center for Musculoskeletal Health, School of Medicine, Indiana University, Indianapolis, IN 46202, USA
| | - H. Honda
- Field of Human Disease Models, Institute of Laboratory Animals, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
| | - M. Shinohara
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
| | - M. Nagao
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - T. Ogata
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - I. Harada
- Laboratory for Mechanical Medicine, Nadogaya Research Institute, Nadogaya Hospital, Kashiwa, Chiba 277-0032, Japan
| | - Y. Sawada
- Mechanobiology Institute, National University of Singapore, Level 10, T-Lab, 5A Engineering Drive 1, Singapore 117411, Singapore
- Department of Rehabilitation for Motor Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Laboratory for Mechanical Medicine, Nadogaya Research Institute, Nadogaya Hospital, Kashiwa, Chiba 277-0032, Japan
- Department of Clinical Research, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
- Corresponding author. (T.M.); (Y.S.)
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Miyoshi M, Nishiyama Y, Kai M, Maeshige N, Shinohara M, Fueda Y, Usami M. SUN-PO005: Soleus Muscle Contains Higher Lipid Mediators than Extensor Digitorum Longus: Slow/Fast Fiber-Specific Analysis in Endotoxemia Using LC-MS/MS. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32642-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Altman K, Shinohara M. A case of Vogt-Koyanagi-Harada disease as a sequela of drug reaction with eosinophilia and systemic symptoms. JAAD Case Rep 2018; 4:863-865. [PMID: 30306111 PMCID: PMC6172437 DOI: 10.1016/j.jdcr.2018.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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25
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Shiomi M, Takeda H, Irino Y, Yamada S, Kuniyoshi N, Ying Y, Koike T, Izumi Y, Shinohara M, Bamba T, Ishida T. Development of markers for progression of coronary plaques using WHHLMI rabbits, an animal model of familial hypercholesterolemia. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.786] [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: 11/27/2022]
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Nakayama Y, Shinohara M, Tani T, Kawaguchi T, Furuta T, Izawa T, Kaise H, Miyazaki W, Nakano Y. The Plasmin Heavy Chain - Urokinase Conjugate: A Specific Thrombolytic Agent. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1661684] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
SummaryLow molecular weight urokinase (LMW-UK) was coupled to the heavy chain of plasmin to make it able to bind to fibrin. The purified conjugate (PHC-UK conjugate), which consisted of equimolar concentrations of each starting material had a molecular weight of 93,600, bound tightly to fibrin-monomer-Sepharose and was not washed off with 1 M NaCl, but was eluted specifically with s-amino caproic acid. The conjugate showed higher fibrinolytic activity than HMW-UK. A control conjugate prepared by coupling human serum albumin to LMW-UK (HSA-UK conjugate) showed the same fibrinolytic activity as HMW-UK. The half-lives of these two conjugates in rabbits were about 3 times that of HMW-UK. In an experimental pulmonary embolism model in rabbits, the PHC-UK conjugate showed about 10 times higher thrombolytic activity than HMW-UK, while the HSA-UK conjugate showed similar thrombolytic activity as HMW-UK, and moreover caused severe systemic fibrinogen breakdown. Thus the significant increase in thrombolytic activity after injection of PHC-UK conjugate into rabbits may be due to its newly acquired fibrin binding activity, and not to increase in its half-life. It is concluded that the PHC-UK conjugate may be useful in treatment of thrombosis.
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Affiliation(s)
- Y Nakayama
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - M Shinohara
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - T Tani
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - T Kawaguchi
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - T Furuta
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - T Izawa
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - H Kaise
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - W Miyazaki
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - Y Nakano
- Tokushima Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
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Tsuji Y, Tachibana Y, Yamazaki F, Kato D, Shinohara M, Yao I, Toda T, Setou M, Wake H. Motor learning changes the lipid profile of frontal white matter. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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28
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Yoshitake Y, Fukuma D, Hirayama M, Nakayama H, Ogi H, Shinohara M. Phase II clinical trial of peptide vaccination for advanced head and neck cancer patients induced immune responses and prolonged OS. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx376.015] [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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29
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Miller N, Church C, Fling S, Kulikauskas R, Ramchurren N, Shinohara M, Cheever M, Topalian S, Nghiem P. 266 PD-1 blockade and T cell responses in merkel cell carcinoma. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.282] [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: 10/19/2022]
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30
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Miller NJ, Church CD, Dong L, Crispin D, Fitzgibbon MP, Lachance K, Jing L, Shinohara M, Gavvovidis I, Willimsky G, McIntosh M, Blankenstein T, Koelle DM, Nghiem P. Tumor-Infiltrating Merkel Cell Polyomavirus-Specific T Cells Are Diverse and Associated with Improved Patient Survival. Cancer Immunol Res 2017; 5:137-147. [PMID: 28093446 PMCID: PMC5421625 DOI: 10.1158/2326-6066.cir-16-0210] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 11/22/2016] [Accepted: 11/28/2016] [Indexed: 01/02/2023]
Abstract
Tumor-infiltrating CD8+ T cells are associated with improved survival of patients with Merkel cell carcinoma (MCC), an aggressive skin cancer causally linked to Merkel cell polyomavirus (MCPyV). However, CD8+ T-cell infiltration is robust in only 4% to 18% of MCC tumors. We characterized the T-cell receptor (TCR) repertoire restricted to one prominent epitope of MCPyV (KLLEIAPNC, "KLL") and assessed whether TCR diversity, tumor infiltration, or T-cell avidity correlated with clinical outcome. HLA-A*02:01/KLL tetramer+ CD8+ T cells from MCC patient peripheral blood mononuclear cells (PBMC) and tumor-infiltrating lymphocytes (TIL) were isolated via flow cytometry. TCRβ (TRB) sequencing was performed on tetramer+ cells from PBMCs or TILs (n = 14) and matched tumors (n = 12). Functional avidity of T-cell clones was determined by IFNγ production. We identified KLL tetramer+ T cells in 14% of PBMC and 21% of TIL from MCC patients. TRB repertoires were strikingly diverse (397 unique TRBs were identified from 12 patients) and mostly private (only one TCRb clonotype shared between two patients). An increased fraction of KLL-specific TIL (>1.9%) was associated with significantly increased MCC-specific survival P = 0.0009). T-cell cloning from four patients identified 42 distinct KLL-specific TCRa/b pairs. T-cell clones from patients with improved MCC-specific outcomes were more avid (P < 0.05) and recognized an HLA-appropriate MCC cell line. T cells specific for a single MCPyV epitope display marked TCR diversity within and between patients. Intratumoral infiltration by MCPyV-specific T cells was associated with significantly improved MCC-specific survival, suggesting that augmenting the number or avidity of virus-specific T cells may have therapeutic benefit. Cancer Immunol Res; 5(2); 137-47. ©2017 AACR.
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MESH Headings
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- Carcinoma, Merkel Cell/etiology
- Carcinoma, Merkel Cell/mortality
- Carcinoma, Merkel Cell/pathology
- Clonal Evolution/genetics
- Clonal Evolution/immunology
- Epitopes, T-Lymphocyte/chemistry
- Epitopes, T-Lymphocyte/genetics
- Epitopes, T-Lymphocyte/immunology
- Genetic Variation
- Humans
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/metabolism
- Lymphocytes, Tumor-Infiltrating/pathology
- Merkel cell polyomavirus/immunology
- Prognosis
- Receptors, Antigen, T-Cell, alpha-beta/chemistry
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Sequence Analysis, DNA
- Skin Neoplasms/etiology
- Skin Neoplasms/mortality
- Skin Neoplasms/pathology
- T-Cell Antigen Receptor Specificity/immunology
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/metabolism
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Affiliation(s)
- Natalie J Miller
- Dermatology/Medicine/Pathology, University of Washington, Seattle, Washington
| | - Candice D Church
- Dermatology/Medicine/Pathology, University of Washington, Seattle, Washington
| | - Lichun Dong
- Department of Medicine/Laboratory Medicine/Global Health, University of Washington, Seattle, Washington
| | - David Crispin
- Fred Hutchinson, Public Health Sciences Division, Seattle, Washington
| | | | - Kristina Lachance
- Dermatology/Medicine/Pathology, University of Washington, Seattle, Washington
| | - Lichen Jing
- Department of Medicine/Laboratory Medicine/Global Health, University of Washington, Seattle, Washington
| | - Michi Shinohara
- Dermatology/Medicine/Pathology, University of Washington, Seattle, Washington
| | - Ioannis Gavvovidis
- Molecular Immunology and Gene Therapy, Max-Delbrück-Center for Molecular Medicine, Berlin, Germany
- Institute of Immunology, Charité, Berlin, Germany
| | - Gerald Willimsky
- Institute of Immunology, Charité, Berlin, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Martin McIntosh
- Fred Hutchinson, Public Health Sciences Division, Seattle, Washington
| | - Thomas Blankenstein
- Molecular Immunology and Gene Therapy, Max-Delbrück-Center for Molecular Medicine, Berlin, Germany
- Institute of Immunology, Charité, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - David M Koelle
- Department of Medicine/Laboratory Medicine/Global Health, University of Washington, Seattle, Washington.
- Fred Hutchinson, Vaccine and Infectious Disease Division, Seattle, Washington
- Benaroya Research Institute, Seattle, Washington
| | - Paul Nghiem
- Dermatology/Medicine/Pathology, University of Washington, Seattle, Washington.
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Kajita A, Miyoshi M, Kai M, Nishiyama Y, Yamashita H, Ueno M, Matsuo M, Shinohara M, Usami M. MON-P039: Impact Of Oral Tributyrin Treatment on LC-MS/MS Based Lipid Mediator Profiles in Endotoxin Induced Hepatic Injury. Clin Nutr 2016. [DOI: 10.1016/s0261-5614(16)30673-2] [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: 10/21/2022]
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32
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Pang Y, Horimoto Y, Sutoko S, Montagne K, Shinohara M, Mathiue D, Komori K, Anzai M, Niino T, Sakai Y. Novel integrative methodology for engineering large liver tissue equivalents based on three-dimensional scaffold fabrication and cellular aggregate assembly. Biofabrication 2016; 8:035016. [PMID: 27579855 DOI: 10.1088/1758-5090/8/3/035016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A novel engineering methodology for organizing a large liver tissue equivalent was established by intergrating both 'top down' and 'bottom up' approaches. A three-dimensional (3D) scaffold was engineered comprising 43 culture chambers (volume: 11.63 cm(3)) assembled in a symmetrical pattern on 3 layers, a design which enables further scaling up of the device to a clinically significant size (volume: 500 cm(3)). In addition, an inter-connected flow channel network was designed and proved to homogenously deliver culture medium to each chamber with the same pressure drop. After fabrication using nylon-12 and a selective laser sintering process, co-cultured cellular aggregates of human hepatoma Hep G2 and TMNK-1 cells were loosely packed into the culture chambers with biodegradable poly-L-lactic acid fibre pieces for 9 days of perfusion culture. The device enabled increased hepatic function and well-maintained cell viability, demonstrating the importance of an independent medium flow supply for cell growth and function provided by the current 3D scaffold. This integrative methodology from the macro- to the micro-scale provides an efficient way of arranging engineered liver tissue with improved mass transfer, making it possible to further scale up to a construct with clinically relevant size while maintaining high per-volume-based physiological function in the near future.
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Affiliation(s)
- Y Pang
- Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science, University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8505, Japan
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Choji K, Shinohara M, Nojima T, Kusumoto K, Une Y, Glazer RN, Isomatsu T. Significant Reduction of the Echogenicity of the Compressed Cavernous Hemangioma. Acta Radiol 2016. [DOI: 10.1177/028418518802900311] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Eleven hyperreflective hepatic nodules in eight patients were examined by means of intraoperative ultrasonography (US) with the transducer placed on the liver surface. The nodules included four cavernous hemangiomas, four hepatocellular carcinomas, one metastatic tumor, and two regenerative nodules in cirrhotic livers. When the relevant part of the liver was compressed during US observation, the echogenicity was reduced only in the case of cavernous hemangioma. This phenomenon is considered to be unique to cavernous hemangioma.
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34
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Nghiem P, Bhatia S, Lipson E, Kudchadkar R, Miller N, Daud A, Fling S, Friedlander P, Kluger H, Kohrt H, Lundgren L, Margolin K, Olencki T, Reddy S, Shantha E, Sharfman W, Sharon E, Shinohara M, Thompson J, Yearley J, Topalian S, Cheever M. Abstract CT096: Clinical activity, immune and viral correlates of PD-1 blockade with pembrolizumab as first systemic therapy in patients with advanced Merkel cell carcinoma. Cancer Res 2016. [DOI: 10.1158/1538-7445.am2016-ct096] [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: 11/16/2022]
Abstract
Abstract
Background: Merkel cell carcinoma (MCC) is an aggressive skin cancer linked to UV exposure and the Merkel cell polyomavirus (MCPyV). Cytotoxic chemotherapy is associated with high response rates in patients (pts) with metastatic MCC, although responses are seldom durable and median progression-free survival is only 13 weeks. MCC may be responsive to PD-1 pathway blockade as tumors often express PD-L1 and MCPyV-specific T cells express the inhibitory co-receptor PD-1.
Methods: In this open-label, phase II trial by the Cancer Immunotherapy Trials Network (NCT02267603), adults with advanced/metastatic MCC and no prior systemic therapy were enrolled. Pembrolizumab, a humanized IgG4 anti-PD-1 monoclonal antibody, was given IV every 3 weeks (2 mg/kg). Response was assessed by RECIST 1.1 every 9-12 weeks. Presence of MCPyV was assessed by measuring serum antibody titers to the MCPyV oncoprotein and/or quantifying tumor oncoprotein expression by immunohistochemistry (IHC).
Results: Twenty-six pts were treated (median duration 22 weeks, range 4 to 49 weeks as of 1/8/16 dataset). Twenty-three pts had at least one documented radiologic or clinical assessment of response. Fifteen of 23 evaluable pts (65%) responded (4 complete responses and 11 partial responses); 2 additional pts had stable disease and 6 had progressive disease as best response. Fourteen of 15 responses (93%) were ongoing at last follow-up. Ten responders had at least one follow-up evaluation with response duration ranging from 8+ to 27+ weeks beyond initial documented response. Treatment was generally well tolerated with mostly grade 1 or 2 adverse events. Two pts developed severe drug-related toxicities including grade 4 myocarditis (n = 1) and grade 4 transaminase elevation (n = 1), both of which improved with corticosteroid treatment. Both pts have ongoing tumor responses despite discontinuation of pembrolizumab. Sixteen of 26 pts (62%) were classified as having virus-positive MCC. Among the 23 evaluable pts, 9 of 14 (64%) of those with virus positive tumors responded, while 6 of 9 (67%) of pts with virus negative tumors responded. Analyses of T cells specific to MCPyV and titers of oncoprotein antibodies during therapy, as well as IHC characterization of tumor biopsies including PD-L1 expression are ongoing.
Conclusions: First-line therapy with pembrolizumab in pts with advanced MCC is associated with frequent (65%) and durable responses. Notably, the response rate was similar among pts with virus-positive and virus-negative tumors. While virus-positive tumors are known to express highly antigenic MCPyV oncoproteins, virus-negative tumors are typically UV-induced and display strikingly elevated mutational burdens generating putative neo-antigens. Thus, potentially through distinct mechanisms, both virus-positive and virus-negative MCC tumors appear to be immunogenic and frequently responsive to anti-PD-1 therapy.
Citation Format: Paul Nghiem, Shailender Bhatia, Evan Lipson, Ragini Kudchadkar, Natalie Miller, Adil Daud, Steven Fling, Philip Friedlander, Harriet Kluger, Holbrook Kohrt, Lisa Lundgren, Kim Margolin, Thomas Olencki, Sunil Reddy, Erica Shantha, William Sharfman, Elad Sharon, Michi Shinohara, John Thompson, Jennifer Yearley, Suzanne Topalian, Martin Cheever. Clinical activity, immune and viral correlates of PD-1 blockade with pembrolizumab as first systemic therapy in patients with advanced Merkel cell carcinoma. [abstract]. In: Proceedings of the 107th Annual Meeting of the American Association for Cancer Research; 2016 Apr 16-20; New Orleans, LA. Philadelphia (PA): AACR; Cancer Res 2016;76(14 Suppl):Abstract nr CT096.
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Affiliation(s)
- Paul Nghiem
- 1University of Washington / Fred Hutchinson, Dermatology/Medicine, Seattle, WA
| | - Shailender Bhatia
- 2University of Washington / Fred Hutchinson, Medicine/Oncology, Seattle, WA
| | - Evan Lipson
- 3Johns Hopkins Kimmel Cancer Center, Medicine/Oncology/Surgery, Baltimore, MD
| | | | - Natalie Miller
- 1University of Washington / Fred Hutchinson, Dermatology/Medicine, Seattle, WA
| | - Adil Daud
- 5University of California San Francisco, Medicine/Oncology, San Francisco, CA
| | - Steven Fling
- 6Fred Hutchinson Cancer Research Center / Cancer Immunotherapy Trials Network, Seattle, WA
| | | | | | | | - Lisa Lundgren
- 6Fred Hutchinson Cancer Research Center / Cancer Immunotherapy Trials Network, Seattle, WA
| | - Kim Margolin
- 9Stanford University, Medicine/Oncology, Stanford, CA
| | - Thomas Olencki
- 10Ohio State University, Medicine/Oncology, Columbus, OH
| | - Sunil Reddy
- 9Stanford University, Medicine/Oncology, Stanford, CA
| | - Erica Shantha
- 1University of Washington / Fred Hutchinson, Dermatology/Medicine, Seattle, WA
| | - William Sharfman
- 3Johns Hopkins Kimmel Cancer Center, Medicine/Oncology/Surgery, Baltimore, MD
| | - Elad Sharon
- 11National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD
| | - Michi Shinohara
- 1University of Washington / Fred Hutchinson, Dermatology/Medicine, Seattle, WA
| | - John Thompson
- 2University of Washington / Fred Hutchinson, Medicine/Oncology, Seattle, WA
| | | | - Suzanne Topalian
- 3Johns Hopkins Kimmel Cancer Center, Medicine/Oncology/Surgery, Baltimore, MD
| | - Martin Cheever
- 6Fred Hutchinson Cancer Research Center / Cancer Immunotherapy Trials Network, Seattle, WA
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Bhatia S, Miller N, Lu H, Ibrani D, Shinohara M, Byrd DR, Parvathaneni U, Vandeven N, Kulikauskas R, Ter Meulen J, Hsu FJ, Koelle DM, Ngheim P. Pilot trial of intratumoral (IT) G100, a toll-like receptor-4 (TLR4) agonist, in patients (pts) with Merkel cell carcinoma (MCC): Final clinical results and immunologic effects on the tumor microenvironment (TME). J Clin Oncol 2016. [DOI: 10.1200/jco.2016.34.15_suppl.3021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Shailender Bhatia
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Natalie Miller
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Dafina Ibrani
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Michi Shinohara
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | - David R. Byrd
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Natalie Vandeven
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Rima Kulikauskas
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | | | - David M Koelle
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Paul Ngheim
- University of Washington - Fred Hutchinson Cancer Research Center, Seattle, WA
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36
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Shantha E, Lewis C, Paulson K, Stafstrom K, Ma C, Qazi J, Shinohara M, Nghiem P. 154 Lymphovascular invasion is associated with poorer prognosis in Merkel cell carcinoma. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.02.181] [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: 10/21/2022]
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37
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Matsuoka Y, Nakayama H, Yoshida R, Hirosue A, Tanaka T, Nagata M, Kawahara K, Hiraki A, Shinohara M. TAMS and IL-6 contribute to resistance to radiotherapy in oral squamous cell carcinoma. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.237] [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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38
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Ota K, Shinriki S, Ando Y, Nakayama H, Shinohara M. Overexpression of the novel oncogene SALL4 in oral squamous cell carcinoma. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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39
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Hirosue A, Nakamoto M, Yamamoto T, Matsuoka Y, Nakamura C, Kawahara K, Yoshida R, Hiraki A, Nakayama H, Shinohara M. Epigenetic alterations in chemoresistance and radioresistance of oral squamous cell carcinoma. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.126] [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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40
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Matsushima Y, Ishikawa M, Shimizu T, Komane A, Kasuo S, Shinohara M, Nagasawa K, Kimura H, Ryo A, Okabe N, Haga K, Doan YH, Katayama K, Shimizu H. Genetic analyses of GII.17 norovirus strains in diarrheal disease outbreaks from December 2014 to March 2015 in Japan reveal a novel polymerase sequence and amino acid substitutions in the capsid region. ACTA ACUST UNITED AC 2015; 20. [PMID: 26159307 DOI: 10.2807/1560-7917.es2015.20.26.21173] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel GII.P17-GII.17 variant norovirus emerged as a major cause of norovirus outbreaks from December 2014 to March 2015 in Japan. Named Hu/GII/JP/2014/GII.P17-GII.17, this variant has a newly identified GII.P17 type RNA-dependent RNA polymerase, while the capsid sequence displays amino acid substitutions around histo-blood group antigen (HBGA) binding sites. Several variants caused by mutations in the capsid region have previously been observed in the GII.4 genotype. Monitoring the GII.17 variant's geographical spread and evolution is important.
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Affiliation(s)
- Y Matsushima
- Division of Virology, Kawasaki City Institute for Public Health, Kanagawa, Japan
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Bhatia S, Ibrani D, Vandeven N, Miller N, Shinohara M, Byrd D, Parvathaneni U, Shantha E, Afanasiev OK, Donahue M, Koelle DM, Hsu FJ, Nghiem P. Pilot study of intratumoral G100, toll-like receptor-4 (TLR4) agonist, therapy in patients with Merkel cell carcinoma (MCC). J Clin Oncol 2015. [DOI: 10.1200/jco.2015.33.15_suppl.3083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Shailender Bhatia
- University of Washington/Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Dafina Ibrani
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Natalie Vandeven
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Natalie Miller
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Michi Shinohara
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - David Byrd
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Erica Shantha
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Olga K. Afanasiev
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Michael Donahue
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | - David M Koelle
- University of Washington / Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | - Paul Nghiem
- University of Washington Medical Center at South Lake Union, Seattle, WA
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Yamashita Y, Yakiwara H, Asano Y, Shimizu H, Uchida K, Hirano S, Umakoshi K, Miyamachi H, Nakamoto M, Fukui M, Kamizono M, Kanehara H, Yamada T, Shinohara M, Obara K. Migrating tremor off southern Kyushu as evidence for slow slip of a shallow subduction interface. Science 2015; 348:676-9. [DOI: 10.1126/science.aaa4242] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 03/30/2015] [Indexed: 11/02/2022]
Affiliation(s)
- Y. Yamashita
- Institute of Seismology and Volcanology (SEVO), Faculty of Sciences, Kyushu University, 2-5643-29 Shin’yama, Shimabara 855-0843, Japan
| | - H. Yakiwara
- Nansei-Toko Observatory for Earthquakes and Volcanoes, Graduate School of Science and Engineering, Kagoshima University, 10861 Yoshino-cho, Kagoshima 892-0871, Japan
| | - Y. Asano
- National Research Institute for Earth Science and Disaster Prevention, 3-1 Tennodai, Tsukuba 305-0006, Japan
| | - H. Shimizu
- Institute of Seismology and Volcanology (SEVO), Faculty of Sciences, Kyushu University, 2-5643-29 Shin’yama, Shimabara 855-0843, Japan
| | - K. Uchida
- Institute of Seismology and Volcanology (SEVO), Faculty of Sciences, Kyushu University, 2-5643-29 Shin’yama, Shimabara 855-0843, Japan
| | - S. Hirano
- Nansei-Toko Observatory for Earthquakes and Volcanoes, Graduate School of Science and Engineering, Kagoshima University, 10861 Yoshino-cho, Kagoshima 892-0871, Japan
| | - K. Umakoshi
- Graduate School of Fisheries Science and Environmental Studies, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - H. Miyamachi
- Nansei-Toko Observatory for Earthquakes and Volcanoes, Graduate School of Science and Engineering, Kagoshima University, 10861 Yoshino-cho, Kagoshima 892-0871, Japan
| | - M. Nakamoto
- Institute of Seismology and Volcanology (SEVO), Faculty of Sciences, Kyushu University, 2-5643-29 Shin’yama, Shimabara 855-0843, Japan
| | - M. Fukui
- Institute of Seismology and Volcanology (SEVO), Faculty of Sciences, Kyushu University, 2-5643-29 Shin’yama, Shimabara 855-0843, Japan
| | - M. Kamizono
- Institute of Seismology and Volcanology (SEVO), Faculty of Sciences, Kyushu University, 2-5643-29 Shin’yama, Shimabara 855-0843, Japan
| | - H. Kanehara
- Faculty of Fisheries, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - T. Yamada
- Earthquake Research Institute (ERI), The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan
| | - M. Shinohara
- Earthquake Research Institute (ERI), The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan
| | - K. Obara
- Earthquake Research Institute (ERI), The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan
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Miyajima K, Toriniwa Y, Motohashi Y, Ishii Y, Shinohara M, Yamashiro H, Yamada T, Ohta T. Effect of Isolation Stress on Glucose/Lipid Metabolism in Spontaneously Diabetic Torii (SDT) Fatty Rats. ACTA ACUST UNITED AC 2015. [DOI: 10.9734/bjmmr/2015/17988] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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44
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Aikawa T, Ito S, Shinohara M, Kaneko M, Kondo T, Yuasa M. A drug formulation using an alginate hydrogel matrix for efficient oral delivery of the manganese porphyrin-based superoxide dismutase mimic. Biomater Sci 2015. [DOI: 10.1039/c5bm00056d] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
In order for patients to avail of the therapeutic benefits of antioxidant drugs efficiently and conveniently, a robust oral delivery system needs to be developed.
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Affiliation(s)
- T. Aikawa
- Department of Pure and Applied Chemistry
- Faculty of Science and Technology
- Tokyo University of Science
- Noda
- Japan
| | - S. Ito
- Department of Pure and Applied Chemistry
- Faculty of Science and Technology
- Tokyo University of Science
- Noda
- Japan
| | - M. Shinohara
- Department of Pure and Applied Chemistry
- Faculty of Science and Technology
- Tokyo University of Science
- Noda
- Japan
| | - M. Kaneko
- Department of Pure and Applied Chemistry
- Faculty of Science and Technology
- Tokyo University of Science
- Noda
- Japan
| | - T. Kondo
- Department of Pure and Applied Chemistry
- Faculty of Science and Technology
- Tokyo University of Science
- Noda
- Japan
| | - M. Yuasa
- Department of Pure and Applied Chemistry
- Faculty of Science and Technology
- Tokyo University of Science
- Noda
- Japan
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Murakami R, Kai N, Fujita Y, Toya R, Hirai T, Nakayama H, Yamashita Y, Shinohara M. Prognostic Impact of the Nodal Level Involvement in Advanced Oral Cancer Treated With Preoperative Concurrent Chemoradiation Therapy. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1556] [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: 10/24/2022]
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46
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Hirosue A, Nakamura C, Nakamoto M, Kawahara K, Muta A, Hirayama M, Yoshida R, Nagata M, Nakayama H, Hiraki A, Shinohara M. Epigenetic alterations in the drug resistance of oral squamous cell carcinoma. J Oral Maxillofac Surg 2014. [DOI: 10.1016/j.joms.2014.06.316] [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: 10/24/2022]
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47
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Kawahara K, Nakayama H, Hirayama M, Hirosue A, Hiraki A, Ikebe T, Shinohara M. A case of advanced upper gingival cancer successfully treated with oral uracil-tegafur (UFT) alone. J Oral Maxillofac Surg 2014. [DOI: 10.1016/j.joms.2014.06.200] [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: 10/24/2022]
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48
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Muta A, Shinohara M, Hiraki A, Nakayama H, Kamahara H, Sagishima K, Niimori D, Tashiro T, Kinoshita Y. A case of esophageal perforation by miss-swallowing of partial denture. J Oral Maxillofac Surg 2014. [DOI: 10.1016/j.joms.2014.06.143] [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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49
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Nagata M, Yoshitake Y, Nakayama H, Yoshida R, Kawahara K, Nakagawa Y, Shinohara M. Angiosarcoma of the oral cavity: a clinicopathological study and a review of the literature. Int J Oral Maxillofac Surg 2014; 43:917-23. [PMID: 24656496 DOI: 10.1016/j.ijom.2014.02.008] [Citation(s) in RCA: 13] [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: 10/25/2013] [Revised: 02/06/2014] [Accepted: 02/10/2014] [Indexed: 10/25/2022]
Abstract
Soft tissue sarcomas are uncommon in the head and neck. Primary angiosarcomas of the oral cavity area are extremely rare, and have mostly been presented as case reports. This paper presents the clinical and histological features of three such cases. All patients were diagnosed based on the presence of rapidly extending masses involving the tongue, maxillary gingiva, or mandibular gingiva; bone destruction was present in two cases. The resected specimens revealed clustered large, pleomorphic, and spindle-shaped cells with a markedly haemorrhagic background. Tumour cells showed expression of vascular endothelial markers, such a CD31, CD34, and factor VIII-related antigen. Despite undergoing radical surgery, distant metastases developed in all three cases. We also studied the clinicopathological features of a series of oral angiosarcomas. This article therefore reports the clinicopathological features of the three new cases and provides a review of the cases of primary oral angiosarcoma reported during the past 20 years.
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Affiliation(s)
- M Nagata
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
| | - Y Yoshitake
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - H Nakayama
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - R Yoshida
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - K Kawahara
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Y Nakagawa
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - M Shinohara
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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50
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Taniguchi K, Shinohara M, Nozaki S, Katayose M. Acute decrease in the stiffness of resting muscle belly due to static stretching. Scand J Med Sci Sports 2013; 25:32-40. [PMID: 25754769 DOI: 10.1111/sms.12146] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [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: 09/20/2013] [Indexed: 12/16/2022]
Abstract
The purpose of the study was to examine the acute effect of static stretching exercise on the resting stiffness of gastrocnemius muscle belly. Ten healthy young adults performed standing wall stretching in dorsiflexion for 1 min at a time and repeated five times. Before and after stretching, the shear modulus was measured in medial and lateral heads of the resting gastrocnemius muscle with ultrasound shear-wave elastography. After the stretching, dorsiflexion range of motion (ROM) of the ankle joint increased (P < 0.01) by 3.9° and returned in 20 min. Immediately after stretching, shear modulus decreased (P < 0.01) by 14%, compared with before stretching across muscle heads. The decrease in shear modulus returned in 20 min after stretching. In the comparison group of 10 additional subjects, the standing intervention without stretching had no influence on these measures. There was a negative correlation between dorsiflexion ROM and shear modulus in either head before and after stretching. The results demonstrate the transient decreases in the stiffness of the resting gastrocnemius muscle belly and indicate that joint flexibility is greater in individuals with lower resting stiffness of the muscle belly.
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Affiliation(s)
- K Taniguchi
- School of Health Sciences, Sapporo Medical University, Sapporo, Japan
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