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Ryanto GRT, Ikeda K, Miyagawa K, Yagi K, Suzuki Y, Hirata KI, Emoto N. P6008Inhibin Beta-A is a novel gene involved in the development of pulmonary arterial hypertension through inhibiting BMPRII-signaling in endothelial cells. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Pulmonary Arterial Hypertension (PAH) is marked by vascular remodeling process that eventually causes pressure increase. Endothelial cells (EC) dysfunction is known to be a major cause for pulmonary vascular remodeling; however, the molecular mechanism remains to be elucidated.
Purpose
This study aims to identify novel genes and mechanisms involved in PAH development.
Methods
We performed DNA microarray analysis using RNA samples isolated from human ECs of various vascular beds (including lung microvessels) and organs (including lung). We subsequently searched for genes highly and specifically expressed in lung microvessels since these genes are likely involved in pulmonary circulation homeostasis maintenance. Once found, we confirmed its expressional changes during hypoxia in ECs and lung tissues. We next analyzed its role in EC functions using human pulmonary artery ECs (hPAECs) by in vitro angiogenesis assay, using both candidate gene overexpression via retrovirus transfection and treatment with its active form using appropriate recombinant protein. To explore the role of candidate gene in PAH development in vivo, we generated EC-specific knockout mice and transgenic mice in which the candidate gene is genetically deleted and activated in ECs, respectively. PAH was induced by chronic hypoxia exposure (10% O2- for 3 weeks). Lastly, to explore the underlying mechanisms, we analyzed expressional alterations in possible signaling pathways in ECs that could relate with the effect of the candidate gene.
Results
From microarray analysis, we identified inhibin Beta-A (INHBA) as a candidate gene that was highly and specifically expressed in human lung microvascular ECs. INHBA homo-dimerization is known to produce activin A (ActA), a TGF-beta superfamily member. Hypoxia exposure caused significant decrease of INHBA mRNA expression in ECs and mouse lung tissues. Both INHBA overexpression and ActA-treatment in hPAECs caused dramatic reduction of their angiogenic capacities (reduced migration and tube formation capability with increased apoptosis). In vivo, EC-specific INHBA overexpressing mice (VEcad-INHBA-TG) showed exacerbated hypoxia-induced PAH, assessed by higher right ventricular systolic pressure (RVSP) and more severely remodeled pulmonary arteries. By contrast, EC-specific INHBA knockout mice (INHBA-floxed/VEcad-Cre-TG) showed significant amelioration of PAH, shown by reduced RVSP and vascular remodeling. Furthermore, we found that INHBA overexpression and ActA-treatment induced a marked reduction of BMPRII, known to play pivotal roles in PAH, in hPAECs by accelerating its lysosomal degradation.
Conclusion
We identified a novel gene that is crucially involved in PAH development. INHBA and/or ActA negatively regulates EC functions potentially through its BMPRII-altering capability. Gain- and loss-of-function studies in mice revealed that INHBA pathways are promising therapeutic targets for the treatment of PAH.
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Habara M, Tsuchikane E, Nasu K, Kinoshita Y, Terashima M, Matsubara T, Murata A, Suzuki Y, Kawase Y, Okubo M, Matsuo H, Suzuki T. P974Efficacy of plaque debulking for bifurcated or ostial lesion by directional coronary atherectomy before 2nd generation drug eluting stent (PERFECT2). Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Objectives
We sought to evaluate the efficacy of plaque debulking by directional coronary atherectomy (DCA) before 2nd generation drug-eluting stent (DES) implantation for bifurcated coronary lesions.
Background
Percutaneous coronary intervention (PCI) for bifurcated lesions still remains complex and challenging in terms of restenosis or stent thrombosis regardless of whether simple or complex stenting used.
Methods
Patients with bifurcated lesions were enrolled in this prospective multicenter registry. Pre-2nd generation DES plaque debulking with a novel DCA was conducted. All patients were scheduled to perform a follow up (9–12 months) angiography (coronary angiography or coronary computed tomography). The primary end point was the target vessel failure (TVF) at follow-up. Secondary end points were procedure-related events and major adverse cardiac events at 1 year.
Results
A total of 77 patients with bifurcated lesions were enrolled. PCI with DCA was performed successfully in all without any major procedure-related event and only 1 case needed complex stenting. TVF rate at 9–12 months follow up was 3.9% (3 of 77) and those were all associated with revascularization of the target vessel. Restenosis was only observed at ostial of main-branch in 3cases. No death, no coronary artery bypass grafting, and no myocardial infarction were reported in the patients within the first year.
Figure1
Conclusion
DCA before 2nd generation DES implantation can possibly avoid complex stenting and provide a good mid-term outcome in patients with bifurcated lesions.
Acknowledgement/Funding
None
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Kuroda M, Kawata M, Matsuura A, Adachi K, Hirayama Y, Matsuura T, Matsumoto A, Kodaira M, Kintsu M, Suzuki Y. P6441New continuous glucose monitoring reveals hypoglycemia risk in both diabetic and nondiabetic patients with acute myocardial infarction. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.1035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
There has been growing evidence that the glucose fluctuation is an important contributing factor to the development of coronary artery disease. However, whether large glucose fluctuation, especially hypoglycemia, may be associated with acute myocardial infarction (AMI) remains largely unknown.
Aim
As new continuous glucose monitoring (CGM) has recently become available to evaluate glucose fluctuation from immediately after an emergency visit, this study sought to investigate glucose fluctuation and the occurrence of hypoglycemia in patients with AMI.
Methods
In this prospective study, 93 consecutive patients with AMI from April 2017 to November 2018 were enrolled. Subcutaneous interstitial glucose levels were monitored from emergency room to discharge using the CGM System. Based on the CGM data, 24-h mean glucose levels, the time in hyperglycemia and hypoglycemia and the occurrence of hypoglycemia, defined as less than 70 mg/dL, were measured, and the mean amplitude of glycemic excursions (MAGE) were calculated.
Results
The majority of patients [n=57, 61% (non-DM)] did not have diabetes and 36 patients had diabetes (DM). The occurrence of hypoglycemia within 24 hours after admission was observed in 49 patients [DM: n=11 (30.6%), non-DM: n=38 (66.7%)]. MAGE within 24 hours after admission were 100±47 in DM patients and 67±20 in non-DM patients. The mean time in hypoglycemia within 24 hours after admission was 148 minutes [DM: 100±260 minutes, non-DM: 178±287 minutes]. The occurrence of hypoglycemia during a hospital stay (mean 11.5 days) was detected in 76 patients [DM: n=28 (77.8%), non-DM: n=48 (84.2%)].
Representative case of hypoglycemia
Conclusion
Not only in DM patients but also in non-DM patients with AMI, large glucose fluctuation and high incidence of hypoglycemia were observed using new CGM system. Further investigations should address the rationale for the early detection and control of glucose fluctuation for AMI patients.
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Matsuda H, Kagase A, Tokuda T, Ochiumi Y, Takeya M, Sato K, Murata A, Suzuki Y, Ito T. P2796Biodegradable polymer everolimus-eluting stents versus durable polymer everolimus-eluting stents in diabetic patients: a 3-year propensity-matched study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.1109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background and introduction
Diabetic patients are at high risk of adverse cardiovascular events after percutaneous coronary intervention (PCI) even with durable polymer drug-eluting stents. A biodegradable polymer everolimus-eluting stents (BP-EES) might improve clinical outcomes in patients with diabetes mellitus.
Purpose
This study aimed to compare the mid-term clinical outcomes between BP-EES and durable polymer everolimus-eluting stents (DP-EES) in diabetic patients.
Methods
We investigated consecutive 383 patients treated with BP-EES or DP-EES at our Heart Center between January and December 2016. Among these patients, 155 (40.5%) patients had diabetes mellitus. The primary endpoint was 3-year cumulative incidence of target lesion failure (TLF) defined as target vessel-related myocardial infarction (MI) and clinical-driven target lesion revascularization (TLR). Moreover, the incidence of definite stent thrombosis (ST) was also evaluated.
Results
After propensity score matching, 148 patients were divided into 2 groups (BP-EES; N=74, DP-EES; N=74). The 3-year cumulative incidences of TLF were significantly lower in BP-EES group than in DP-EES group (BP-EES vs. DP-EES; 1.4% vs. 11.4%, p=0.01). The incidence of cardiac death, target vessel-related MI, and definite ST were none in the both group.
Figure 1
Conclusions
In diabetic patients, the incidence of TLR within 3 years was significantly lower in BP-EES than in DP-EES. In PCI for diabetic patients, BP-EES might improve clinical outcomes compared to DP-EES.
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Furuhashi K, Hataji O, Nakamura Y, Suzuki Y, Sakaguchi T, Ito K, Fujiwara K, Nishii Y, Taguchi O. EP1.18-19 Patients with Unresectable Stage III Non-Small Cell Lung Cancer Eligible to Receive Durvalumab in Clinical Practice. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.2464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Miyagawa K, Kawakami T, Suzuki Y, Isobe H, Shoji M, Yamanaka S, Okumura M, Nakajima T, Yamaguchi K. Domain-based local pair natural orbital CCSD(T) calculations of strongly correlated electron systems: Examination of dynamic equilibrium models based on multiple intermediates in S1 state of photosystem II. Mol Phys 2019. [DOI: 10.1080/00268976.2019.1666171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Seto J, Wada T, Suzuki Y, Ikeda T, Araki K, Umetsu Y, Ishikawa H, Mizuta K, Ahiko T. A case of laboratory cross-contamination of Mycobacterium tuberculosis identified using comparative genomics. Int J Tuberc Lung Dis 2019; 22:1239-1242. [PMID: 30236195 DOI: 10.5588/ijtld.18.0237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Two false-positive tuberculosis (TB) cases in Yamagata Prefecture, Japan, 2016. OBJECTIVE To report the effectiveness of comparative genomics of Mycobacterium tuberculosis for identification of cross-contamination cases. DESIGN Case report of laboratory cross-contamination. RESULTS Beginning with detection of an identical genotype in two M. tuberculosis strains using variable number of tandem repeat typing, we suspected M. tuberculosis cross-contamination of specimens collected in a mycobacteriology laboratory based on epidemiological investigations. This suspicion was confirmed using comparative genomics of the two M. tuberculosis strains and a strain from an epidemiologically unrelated specimen from the same batch as the two strains in the mycobacteriology laboratory. All strains had an identical genomic sequence with no single nucleotide variants. CONCLUSION Comparative genomics, which offers the highest discrimination power, is a potent tool for identifying laboratory cross-contamination using epidemiological investigations.
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Konda S, Onodera R, Kanchanasatit E, Boonsaen P, Sawanon S, Nagashima K, Suzuki Y, Koike S, Kobayashi Y. Effect of cashew nut shell liquid feeding on fermentation and microbiota in the rumen of Thai native cattle and swamp buffaloes. Livest Sci 2019. [DOI: 10.1016/j.livsci.2019.06.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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109
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Matsuguma C, Wakiguchi H, Suzuki Y, Okada S, Furuta T, Ohnishi Y, Azuma Y, Ohga S, Hasegawa S. Dynamics of immunocyte activation during intravenous immunoglobulin treatment in Kawasaki disease. Scand J Rheumatol 2019; 48:491-496. [DOI: 10.1080/03009742.2019.1604992] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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110
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NAGASAWA H, Ueda S, Yabuuchi J, Kobayashi T, Kanaguchi Y, Takahashi K, Yamagishi S, Suzuki Y. SAT-283 Chronic inflammation, but not AGEs, is involved in the development of vascular calcification in hemodialysis patients. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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111
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Hagiwara S, Suzuki Y, Gohda T, Funabiki K, Cooper M, Kantharidis P. SUN-298 THE EXPRESSION AND THE ROLE OF MICRORNA IN RAGE KNOCK OUT MOUSE MESANGIAL CELLS. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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112
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Shimojima T, Suzuki Y, Nakamura A, Mitsuishi N, Kasahara S, Shibauchi T, Matsuda Y, Ishida Y, Shin S, Ishizaka K. Ultrafast nematic-orbital excitation in FeSe. Nat Commun 2019; 10:1946. [PMID: 31036846 PMCID: PMC6488589 DOI: 10.1038/s41467-019-09869-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Accepted: 03/30/2019] [Indexed: 11/24/2022] Open
Abstract
The electronic nematic phase is an unconventional state of matter that spontaneously breaks the rotational symmetry of electrons. In iron-pnictides/chalcogenides and cuprates, the nematic ordering and fluctuations have been suggested to have as-yet-unconfirmed roles in superconductivity. However, most studies have been conducted in thermal equilibrium, where the dynamical property and excitation can be masked by the coupling with the lattice. Here we use femtosecond optical pulse to perturb the electronic nematic order in FeSe. Through time-, energy-, momentum- and orbital-resolved photo-emission spectroscopy, we detect the ultrafast dynamics of electronic nematicity. In the strong-excitation regime, through the observation of Fermi surface anisotropy, we find a quick disappearance of the nematicity followed by a heavily-damped oscillation. This short-life nematicity oscillation is seemingly related to the imbalance of Fe 3dxz and dyz orbitals. These phenomena show critical behavior as a function of pump fluence. Our real-time observations reveal the nature of the electronic nematic excitation instantly decoupled from the underlying lattice. Several experiments have shown evidence for unusual nematic electronic behaviour in unconventional superconductors. Here the authors use pump-probe spectroscopy to observe out-of-equilibrium behaviour of coupled nematic-orbital excitations in iron selenide.
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Kondo A, Nishizawa Y, Tsunemori H, Taketani H, Yamamoto N, Okazoe H, Fujita T, Sugimoto M, Suzuki Y. Use of a linear stapler for urethral and dorsal vein complex transection during laparoscopic total pelvic exenteration in rectal cancer. Tech Coloproctol 2019; 23:487-490. [DOI: 10.1007/s10151-019-01974-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 03/26/2019] [Indexed: 10/27/2022]
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Suzuki Y, Oishi H, Kanehira M, Matsuda Y, Sado T, Noda M, Funahashi J, Sakurada A, Okada Y. CTLA4-Ig Therapy Attenuates Bronchiolitis Obliterans after Mouse Intrapulmonary Trachial Transplantation Model through Possibility of Effect of LAG3+Tregs. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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115
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Sertic F, Crespo M, Habertheuer A, Diagne D, Chavez L, Richards T, Molina M, Suzuki Y, Rame E, Wald J, Cantu E, Bermudez C. Early Outcomes with the Use of ExtraCorporeal Membrane Oxygenation as a Bridge to Combined Heart and Lung Transplant. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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116
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Habertheuer A, Richards T, Sertic F, Crespo M, Molina M, Vallabhajosyula P, Cantu E, Suzuki Y, Diagne D, Bermudez C. Stratification Risk Analysis in Bridging Patients to Lung Transplant on ECMO: The STABLE Recipient Risk Score. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Suzuki Y, Okonogi N, Sato H, Oike T, Yoshimoto Y, Mimura K, Noda S, Okamoto M, Tamaki T, Morokoshi Y, Hasegawa S, Ohgaki H, Yokoo H, Nakano T. EP-2163 Combination therapy of microglia and radiotherapy in a rat model of spontaneous glioma. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)32583-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kubota H, Suzuki Y, Adachi K, Suzuki S, Hara Y, Fujisaki S, Makishima M, Saga R, Hirano T, Sakurai K. [A Case of an Elderly Individual with Breast Cancer Diagnosed as Paget's Disease after Mastectomy]. Gan To Kagaku Ryoho 2019; 46:814-816. [PMID: 31164545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We report here a case of a 78-year-old woman, who underwent mastectomy for breast cancer. Mammography showed a mass in the right MO area with an unclear boundary. Ultrasound examination revealed an irregular mass of 40×29×19mm in the right C region. Dynamic contrast-enhanced MRI showed a 34mm tumor with contrast effect in the C area of the right breast. We performed a core needle biopsy on the mass, and the histopathological diagnosis was apocrine carcinoma(ER-, PgR-, HER2 3+, and Ki-67 30%)of clinical T2N0M0, stageⅡA. Right mastectomy and sentinel lymph node biopsy were performed. In the postoperative pathological examination, the main lesion was apocrine carcinoma(ER-, PgR-, HER2 3+, Ki-67 20%)and Paget's disease(ER-, PgR-, HER2 3+, Ki-67 30%). After surgery, the patient was given trastuzumab therapy.
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Suzuki Y, Sakurai K, Adachi K, Kubota H, Suzuki S, Takei S, Hara Y, Enomoto K, Hirano T, Makishima M. [Usefulness of Breast Ultrasound in Follow-Up of Post-Operative Metachronous Contralateral Breast Cancer-A Case Report]. Gan To Kagaku Ryoho 2019; 46:781-783. [PMID: 31164534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Mammography is the standard screening toolfor post-operative breast cancer, with annualcheck -ups recommended; however, it misses some cancers. We report a case a metachronous contralateral breast cancer detected by breast ultrasound 8 years and 6 months after operation. A 72-year-old women visited our hospital for follow-up 8 years and 6 months after the operation. She was diagnosed with right breast cancer at 63 years of age and underwent partial mastectomy with axially lymph node dissection. The pathological diagnose was scirrhous carcinoma. After chemotherapy and radiation therapy, she underwent screening with annual examinations. The mammography finding was normal, but an ultrasound showed a mass lesion in the contralateral breast. The pathological diagnosis of the biopsy specimen was mucinous carcinoma. A history of breast cancer is known to suggest an increased risk of metachronous contralateral breast cancer. Therefore, regular follow-up with breast ultrasound, not only mammography, is recommended.
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Suzuki Y, Sakurai K, Adachi K, Kubota H, Suzuki S, Takei S, Hara Y, Enomoto K, Hirano T, Makishima M. [Usefulness of Automated Breast Ultrasound for Deciding on a Surgical Approach in a Patient with Breast Cancer- A Case Report]. Gan To Kagaku Ryoho 2019; 46:778-780. [PMID: 31164533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Since breast reconstruction has been covered by health insurance, we can choose a procedure that combines the cosmetic satisfaction of patients with curability. We report about a patient with breast cancer that who underwent nipple-sparing mastectomy after evaluating the intraductal spread by automated breast ultrasound system(ABUS), while hand held ultrasound( HHUS)showed only limited information on the intraductal spread of the lesion. A 52-year old woman with an abnormal screening finding was referred to our hospital. HHUS showed an irregular and poorly defined hypoechoic mass lesion with a lactiferous duct extending to directly under the nipple. A core needle biopsy revealed invasive ductal carcinoma. We performed ABUS to assess the intraductal spread in the lesion because the patient requested breast reconstruction. The coronal section of the breast in the ABUS did not showintraductal spread. We, therefore, decided to perform a nipple-sparing mastectomy and sentinel lymph node biopsy. Intraoperative evaluation by frozen and permanent sections showed negative margins. The ABUS findings helped in the evaluation of the intraductal spread of the lesion and in the choice of the optimal procedure for the patient.
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Sugita S, Honda R, Morota T, Kameda S, Sawada H, Tatsumi E, Yamada M, Honda C, Yokota Y, Kouyama T, Sakatani N, Ogawa K, Suzuki H, Okada T, Namiki N, Tanaka S, Iijima Y, Yoshioka K, Hayakawa M, Cho Y, Matsuoka M, Hirata N, Hirata N, Miyamoto H, Domingue D, Hirabayashi M, Nakamura T, Hiroi T, Michikami T, Michel P, Ballouz RL, Barnouin OS, Ernst CM, Schröder SE, Kikuchi H, Hemmi R, Komatsu G, Fukuhara T, Taguchi M, Arai T, Senshu H, Demura H, Ogawa Y, Shimaki Y, Sekiguchi T, Müller TG, Hagermann A, Mizuno T, Noda H, Matsumoto K, Yamada R, Ishihara Y, Ikeda H, Araki H, Yamamoto K, Abe S, Yoshida F, Higuchi A, Sasaki S, Oshigami S, Tsuruta S, Asari K, Tazawa S, Shizugami M, Kimura J, Otsubo T, Yabuta H, Hasegawa S, Ishiguro M, Tachibana S, Palmer E, Gaskell R, Le Corre L, Jaumann R, Otto K, Schmitz N, Abell PA, Barucci MA, Zolensky ME, Vilas F, Thuillet F, Sugimoto C, Takaki N, Suzuki Y, Kamiyoshihara H, Okada M, Nagata K, Fujimoto M, Yoshikawa M, Yamamoto Y, Shirai K, Noguchi R, Ogawa N, Terui F, Kikuchi S, Yamaguchi T, Oki Y, Takao Y, Takeuchi H, Ono G, Mimasu Y, Yoshikawa K, Takahashi T, Takei Y, Fujii A, Hirose C, Nakazawa S, Hosoda S, Mori O, Shimada T, Soldini S, Iwata T, Abe M, Yano H, Tsukizaki R, Ozaki M, Nishiyama K, Saiki T, Watanabe S, Tsuda Y. The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes. Science 2019; 364:252. [PMID: 30890587 DOI: 10.1126/science.aaw0422] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 03/12/2019] [Indexed: 11/02/2022]
Abstract
The near-Earth carbonaceous asteroid 162173 Ryugu is thought to have been produced from a parent body that contained water ice and organic molecules. The Hayabusa2 spacecraft has obtained global multicolor images of Ryugu. Geomorphological features present include a circum-equatorial ridge, east-west dichotomy, high boulder abundances across the entire surface, and impact craters. Age estimates from the craters indicate a resurfacing age of [Formula: see text] years for the top 1-meter layer. Ryugu is among the darkest known bodies in the Solar System. The high abundance and spectral properties of boulders are consistent with moderately dehydrated materials, analogous to thermally metamorphosed meteorites found on Earth. The general uniformity in color across Ryugu's surface supports partial dehydration due to internal heating of the asteroid's parent body.
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Tsukioki T, Taira N, Sakamaki K, Suzuki Y, Kajiwara Y, Hatono M, Takahashi Y, Kawata K, Kochi M, Iwamoto T, Ikeda H, Shien T, Doihara H. Abstract P4-08-19: Progression-free survival or time to progression in comparative clinical trials of metastatic breast cancer as a potential surrogate for overall survival: A systematic review of 49 trials focusing on breast cancer subtype. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p4-08-19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Overall survival (OS) is the established endpoint to evaluate the effects of drug treatment in comparative clinical trials of metastatic breast cancer. But assessing OS requires long follow-up periods and large sample size, which raise costs and create long delays in the drug approval process. Progression-free survival (PFS) or time to progression (TTP) is considered as a surrogate for OS and is often used as an alternative to OS. In some cancers the two endpoints are highly correlated, but in others they are not. Furthermore, the effect of breast cancer (BC) subtypes on the surrogacy of PFS/TTP for OS has not been completely defined.
Method: A systematic literature review of randomized control trials was conducted to identify studies that reported both the hazard ratio (HR) of PFS/TTP and OS for BC subtypes {i.e. estrogen receptor (ER) positive, HER2 positive, and triple negative (TN)}. The correlation between the HR of PFS/TTP and OS was evaluated using weighted Spearman's rank correlation.
Results: A total of 49 trials (34 phase III trials and 15 phase II trials) were selected for analysis. Among these trials, there were 8 comparison trials between one chemotherapy and another chemotherapy regimen, 18 comparison trials between chemotherapy and chemotherapy plus molecularly-targeted therapy, 9 comparison trials between one endocrine therapy and another endocrine therapy, and 5 comparison trials between endocrine therapy and endocrine therapy plus molecularly-targeted therapy. There were 17 trials reporting the HR of PFS/TTP and OS for ER positive, 16 trials for HER2 positive, and 9 trials for TN BC. Weighted Spearman's rank correlation revealed that coefficient between the HR of PFS/TTP and OS was 0.721(p<.0001) for all trials, 0.873(p< .0001) for ER positive, 0.642(p=0.0055) for HER2 positive, and 0.615(p=0.078)for TN BC.
Conclusion: There was a strong correlation between the HR of PFS/TTP and OS for ER positive BC, and a weak correlation between the HR of PFS/TTP and OS for HER2 positive and TN BC. The validity of using PFS/TTP as an OS surrogate marker was shown for metastatic BC, especially for ER positive BC.
Citation Format: Tsukioki T, Taira N, Sakamaki K, Suzuki Y, Kajiwara Y, Hatono M, Takahashi Y, Kawata K, Kochi M, Iwamoto T, Ikeda H, Shien T, Doihara H. Progression-free survival or time to progression in comparative clinical trials of metastatic breast cancer as a potential surrogate for overall survival: A systematic review of 49 trials focusing on breast cancer subtype [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P4-08-19.
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Hatono M, Ikeda H, Taira N, Suzuki Y, Kajiwara Y, Kawata K, Takahashi Y, Tsukioki T, Kochi M, Iwamoto T, Shien T, Doihara H. Abstract P2-05-06: Effects of a soy isoflavone in breast cancer treatment. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p2-05-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background : Isoflavones are phytoestrogens that may be effective in preventing osteoporosis, reducing cardiovascular events, and improving menopausal symptoms such as hot flash due to their estrogen-like actions. Isoflavones are currently used as a supplement for improving symptoms of menopause. Epidemiological studies have shown that ingestion of soy products may also reduce the risk of breast cancer, and antitumor effects on hormone receptor (HR)-positive breast cancer cells have been shown in vitro for equol, an isoflavone metabolite. Equol binds to estrogen receptors (ERα, β) and is thought to antagonize ERα-estradiol binding in the presence of estradiol. Since equol shows an antiestrogenic effect, similar to that of the hormonal agent tamoxifen, it is thought that equol acts as a selective estrogen receptor modulator (SERM), but the mechanism is still unclear. In this study, we evaluated the antitumor effects of equol alone and in combination with existing therapeutic agents in HR-positive breast cancer cells, and examined the mechanism of these effects.
Methods : The antitumor effects of equol alone and in combination with hormone drugs (4-hydroxytamoxifen (Tam), fulvestrant (Ful)) and chemotherapeutic agents (paclitaxel (Ptx), doxorubicin (Dox)) were examined using a MTS assay. Combination indexes (CIs) were determined in HR-positive MCF-7, T-47D, and ZR-75-1 cell lines. The mechanisms of the drug effects were evaluated by Western blot for assessment of changes in chemoresistance factors at the protein level.
Results : In MCF-7, T-47D and ZR-75-1 cells, there was a concentration-dependent antitumor effect of equol and of the other hormonal agents. CIs showed an antagonistic effect of equol with Tam and a synergistic effect with Ful in all cell lines. Equol also had an antagonistic effect with the two chemotherapeutic agents, with the strongest antagonism occurring at a low dose of equol. Western blot showed that ER, PgR, Cyclin D1 and Bcl-2 were upregulated via ER at a low concentration of equol, similarly to the effect of 17-β-estradiol (E2), and ER, PgR, Cyclin D1 and Bcl-2 were downregulated at a high concentration, similarly to the effect of Tam. In addition, ER, PgR and cyclin D1 were downregulated with the combination of equol and Tam, while the expression of Bcl-2, a chemoresistance factor, increased.
Conclusion : These results suggest that equol has a concentration-dependent antitumor effect in HR-positive breast cancer cell lines and may antagonize the effect of existing therapeutic agents (hormone drugs and chemotherapeutic agents). In particular, it was considered that in combination of equol and Tam, the apoptosis inducing action of each drug was attenuated and antagonistic effect was shown.
Citation Format: Hatono M, Ikeda H, Taira N, Suzuki Y, Kajiwara Y, Kawata K, Takahashi Y, Tsukioki T, Kochi M, Iwamoto T, Shien T, Doihara H. Effects of a soy isoflavone in breast cancer treatment [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P2-05-06.
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Monden K, Sakurai K, Fujisaki S, Kubota H, Suzuki Y, Adachi K, Suzuki S, Tomita R. [The Diagnostic Problem of Automated Breast Volume Scanner(ABUS)for a Breast Cancer Patient with Dementia-A Case Report]. Gan To Kagaku Ryoho 2019; 46:345-347. [PMID: 30914555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The patient was an 84-year-old woman.She had presented with a mass on her right breast.Mammography revealed an illdefined mass.Handheld ultrasonography(HHUS)revealed a low echoic mass, 25mm in diameter, on the AC area of her right breast.An automated breast volume scanner(ABUS)was not useful for detecting the lesion because the patient had dementia and restless body movements.A core needle biopsy for breast tumor led to a diagnosis of invasive ductal carcinoma, which was positive for estrogen and progesterone receptors, and negative for HER2/neu.The Ki-67-positive cell index was 70%.We examined her whole body and made a diagnosis of T2N0M0, StageⅡA.She underwent a muscle-preserving mastectomy plus sentinel lymph node biopsy.The pathological diagnosis from the resected surgical specimen was invasive ductal carcinoma, positive for estrogen and progesterone receptors, and negative for HER2/neu.The Ki-67-positive cell index was 70%.The surgical margins were negative for malignancy, and no metastasis was observed in the sentinel lymph node.She was given endocrine as adjuvant therapies.Three years after the surgery, she was well without metastases.Patients with dementia could not use ABUS.HHUS will be useful for these patients.
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Koyama Y, Sakurai K, Fujisaki S, Kubota H, Suzuki Y, Adachi K, Suzuki S, Tomita R. [A Case of Synchronous Bilateral Breast Cancer in an Elderly Patient]. Gan To Kagaku Ryoho 2019; 46:351-353. [PMID: 30914557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We encountered a case of synchronous bilateral breast cancer in an elderly patient. A 75-year-old woman visited our hospital because she was identified with an abnormality on mammography during breast cancer screening. An elastic hard tumor 2.0 cm in diameter was detected in the A area of her right breast. Mammography showed an irregular tumor shadow with spicula in the right breast and micro-calcifications in her left breast. Ultrasonography showed a low echoic lesion 20mm in size in the A area of her right breast and a low echoic area 5mm in size in her left breast. Histological examination of core needle biopsy specimens revealed invasive ductal carcinoma in both breasts. Synchronous bilateral breast cancer was diagnosed. Bilateral muscle-preserving mastectomy with sentinel lymph node biopsy was performed. Postoperative histology revealed bilateral invasive ductal carcinoma without lymph node metastasis that was positive for ER and PgR, was negative for HER2, and had a Ki-67-positive cell index of 20% in the right breast(T1N0M0, Stage Ⅰ), and that was positive for ER, was negative for PgR and HER2, and had a Ki-67-positive cell index of 5% in the left breast(T1N0M0, Stage Ⅰ). The surgical margins were negative. She was administered endocrine therapy as adjuvant therapy for 5 years after the surgery. Eight years after the surgery, she was well without metastasis.
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Adachi K, Sakurai K, Kubota H, Suzuki Y, Suzuki S, Makishima M, Koshinaga T. [Treatment for Breast Cancer in an Elderly Male Patient-Report of a Case]. Gan To Kagaku Ryoho 2019; 46:309-311. [PMID: 30914543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Breast cancer in male is comparatively rare. We encountered a case of breast cancer in an elderly male who was treated with consideration of age. A 78-year-old male consulted our hospital with a lump on his right breast. The tumor was 3 cm in diameter and was palpable in the E area of his right breast, accompanied by pain. Mammography showed an indistinct mass in the S area. Ultrasonography revealed a well-defined and rough, lobulated mass. Core needle biopsy was performed, and the pathological diagnosis was invasive ductal carcinoma. Metastatic work-up revealed no evidence of metastasis. The patient underwent mastectomy with sentinel lymph node(SN)biopsy and axial lymph node dissection(Ax)because of positive metastasis in an SN. The pathological findings from the surgically resected specimens indicated solid-tubular carcinoma. Lymph node metastases were observed in an SN(1/1)and Ax(1/3). On immunohistochemistry, tumor cells tested positive for estrogen and progesterone receptors and negative for HER2/neu protein expression. The Ki-67 labeling index was 14%. Postoperatively, the patient has not received chemotherapy, but received hormone therapy as adjuvant therapy considering his age. Nine months after the surgery, the patient is well, and metastasis has not appeared.
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Mori S, Sakurai K, Fujisaki S, Kubota H, Suzuki Y, Adachi K, Suzuki S, Tomita R. [A Case of Sentinel Lymph Node Biopsy for Breast Cancer in an Elderly Man]. Gan To Kagaku Ryoho 2019; 46:333-335. [PMID: 30914551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A 75-year-old man noted an elastic hard tumor under his left areola.Mammography showed a microlobulated mass, so he was diagnosed with category Ⅳ breast cancer.Ultrasonography showed a circular hypo-echoic mass that was 21mm in diameter with a moderately indistinct border.Based on core needle biopsy, the tumor was diagnosed as invasive ductal carcinoma.We performed a whole-body check-up, and he was diagnosed with T1N0M0, StageⅠ breast cancer.The patient underwent mastectomy and sentinel lymph node biopsy.The pathological diagnosis based on the resected surgical specimen was invasive ductal carcinoma, positive for ER and negative for PgR and HER2/neu protein expression, and the Ki-67 positive cell index was 20%.The surgical margins were negative, and there was no metastasis in the sentinel lymph nodes.He was administered endocrine therapy as adjuvant therapy.Two years after the surgery, he remains well without metastases.
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Tsuzuki S, Matsunaga N, Hayakawa K, Suzuki Y, Noda A, Yamagishi K, Yahara K, Tsutsui A, Shibayama K, Noda H, Omagari N, Nishiura H. The recent trend of MRSA surveillance in Japanese health care facilities. Int J Infect Dis 2019. [DOI: 10.1016/j.ijid.2018.11.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Hirano T, Sakurai K, Fujisaki S, Kubota H, Suzuki Y, Adachi K, Suzuki S, Tomita R. [The Diagnostic Problem of the Automated Breast Volume Scanner(ABUS) for Paget Disease-A Case Report]. Gan To Kagaku Ryoho 2019; 46:348-350. [PMID: 30914556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The patient, a 41-year-old woman, presented with an elastic soft tumor on her left breast. Sore skin was observed on the left nipple and areola. Mammography revealed poor extension at the left nipple surrounding skin. A hand-held ultrasonography( HHUS)device and automated breast volume scanner(ABUS)did not detect the thickening of the skin. Surgical biopsy was performed. The skin lesion was diagnosed as Paget disease. We examined her whole body and made a diagnosis of Tis N0 M0, stage 0. The patient underwent a mastectomy and sentinel lymph node biopsy. The pathological diagnosis on the basis of the resected surgical specimen was invasive ductal carcinoma, negative for ER and PgR, and positive for HER2/neu protein expression, and the Ki-67-positive cell index was 30%. The surgical margins were negative, and no metastasis was found in the sentinel lymph node. She was given trastuzumab as adjuvant therapy. Two years after the surgery, she was well without recurrence.
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Adachi K, Sakurai K, Kubota H, Suzuki Y, Suzuki S, Makishima M, Koshinaga T. [Advanced-Stage Breast Cancer Discovered by Cervical Lymphadenopathy in an Elderly Patient-Report of a Case]. Gan To Kagaku Ryoho 2019; 46:312-314. [PMID: 30914544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Breast cancer spreading beyond the regional lymph nodes from the primary lesion is considered to be difficult to cure. Although systemic therapy is common for the treatment of metastatic breast cancer, standard therapy is difficult in some cases. We encountered a case of advanced-stage breast cancer detected by cervical lymphadenopathy in an elderly patient. An 82-year-old woman consulted an otolaryngologist for left cervical lymphadenopathy. On receiving the biopsy result, she was referred for a suspected metastatic lymph node from breast cancer. The tumor was 40mm in diameter and was palpable in the CD area of her left breast, accompanied by pain. Ultrasonography showed an irregular-shaped mass. Core needle biopsy was performed, and the pathological diagnosis was invasive lobular carcinoma. Her body check-up revealed multiple enlarged lymph nodes from the left axilla to the supraclavicular and cervical areas. We diagnosed her clinical stage with T2N3cM1, stage Ⅳ(LYM). We proceeded with surgery to alleviate the symptom. Breast reduction surgery was performed for the left breast. The pathological findings from the surgically resected specimens indicated invasive lobular carcinoma. After the surgery, 5-fluorouracil(5-FU)drug was orally administered. Cervical lymphadenopathy decreased, and visceral metastasis has not appeared.
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Kubota H, Suzuki Y, Adachi K, Suzuki S, Hara Y, Fujisaki S, Makishima M, Saga R, Hirano T, Sakurai K. [A Case of Duplicated Cancer Simultaneously Causing Breast and Endometrial Cancer]. Gan To Kagaku Ryoho 2019; 46:339-341. [PMID: 30914553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Recently, with the increase in the number of young cancer patients, we often encounter multiple primary cancer(MPC). In MPC, careful examination is necessary because the treatment order and policies change greatly depending on the stage and prognosis of each tumor. We report a case of synchronous MPC of endometrialcancer and breast cancer. The patient was a 40-year-old woman who underwent endometrial cytology by a previous doctor due to illicit bleeding. As a result of the diagnosis of classⅢB, she underwent gynecological examination in our hospital. Endometroid adenocarcinoma Grade 2 was diagnosed based on endoscopic findings. On pelvic MRI, a lesion adjacent to the neck showed a low signal in the uterine body compared to that in the endocardium. During the preoperative examination, CT showed contrast nodules in the right breast, and ultrasonography was performed at the department of breast surgery. Ultrasonography showed a low-echo mass of 23 mm in the right upper midline region. The needle biopsy results were papillotubular cancer(ER-negative, PgR-negative, HER2 1+, Ki-67 77%). Based on these findings, right breast cancer and endometrial cancer were diagnosed. Initially, we performed right mastectomy and sentinel lymph node biopsy; we then performed pancreatectomy in the gynecology department 2 weeks after discharge. After surgery, gynecology studied 6 courses of TC therapy, and currently, EC is undergoing breast surgery.
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Seto J, Otani Y, Wada T, Suzuki Y, Ikeda T, Araki K, Mizuta K, Ahiko T. Nosocomial Mycobacterium tuberculosis transmission by brief casual contact identified using comparative genomics. J Hosp Infect 2019; 102:116-119. [PMID: 30629999 DOI: 10.1016/j.jhin.2019.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/02/2019] [Indexed: 10/27/2022]
Abstract
This paper reports a case of nosocomial transmission of Mycobacterium tuberculosis by brief casual contact. Routine variable number tandem repeat typing in Yamagata Prefecture, Japan found that M. tuberculosis clinical isolates from two patients showed indistinguishable genotypes. The patients had an epidemiological relationship of sharing a waiting room in a hospital on the same day. As comparative genomics detected only two single nucleotide variants between the isolates, it was concluded that recent tuberculosis transmission occurred in the waiting room. These results indicate that the physical separation of infectious tuberculosis patients is an essential control measure for preventing unpredictable nosocomial transmission by casual contact.
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Suzuki Y, Kubota K, Miura H, Haga S, Roh S, Koike S, Kobayashi Y. 135 The effect of chemerin as a host-derived factor on intestinal microbial activity in calves. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Watabe Y, Suzuki Y, Koike S, Shimamoto S, Kobayashi Y. Cellulose acetate, a new candidate feed supplement for ruminant animals: In vitro evaluations. J Dairy Sci 2018; 101:10929-10938. [DOI: 10.3168/jds.2018-14969] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 08/16/2018] [Indexed: 11/19/2022]
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Sakurai K, Fujisaki S, Kubota H, Suzuki Y, Adachi K, Suzuki S, Hirano T, Tomita R. [Neuroendocrine Carcinoma of the Breast Encountered in the General Hospital without the Breast Department-A Case Report]. Gan To Kagaku Ryoho 2018; 45:1904-1906. [PMID: 30692393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Neuroendocrine carcinoma(NEC)is a rare disease. We report a case of NEC encountered in the general hospital without a breast department. The patient was a 69-year-old woman. She had received breast cancer screening and a mass on her left breast was found. Mammography revealed an ill-defined mass. Ultrasonography showed a low echoic mass, 11mm in diameter, on the A area of her left breast. A core needle biopsy of the breast tumor(A area)led to a diagnosis of an invasive ductal carcinoma, positive for estrogen receptor and progesterone receptor, but negative for HER2/neu. The Ki-67 positive cell index was 5%. We then examined her whole body and diagnosed her with T1N0M0, Stage Ⅰ. She underwent muscle-preserving mastectomy plus sentinel lymph node biopsy. The pathological diagnosis from the resected surgical specimen was invasive ductal carcinoma(NEC), positive for estrogen receptor and progesterone receptor, but negative for HER2/neu. The Ki-67 positive cell index was 5%. The surgical margins were negative, and no metastasis was found in the sentinel lymph node. She was administered endocrine therapy as adjuvant therapy. Two years postoperatively, she was well without metastases.
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Abe K, Akutsu R, Ali A, Amey J, Andreopoulos C, Anthony L, Antonova M, Aoki S, Ariga A, Ashida Y, Azuma Y, Ban S, Barbi M, Barker GJ, Barr G, Barry C, Batkiewicz M, Bench F, Berardi V, Berkman S, Berner RM, Berns L, Bhadra S, Bienstock S, Blondel A, Bolognesi S, Bourguille B, Boyd SB, Brailsford D, Bravar A, Bronner C, Buizza Avanzini M, Calcutt J, Campbell T, Cao S, Cartwright SL, Catanesi MG, Cervera A, Chappell A, Checchia C, Cherdack D, Chikuma N, Christodoulou G, Coleman J, Collazuol G, Coplowe D, Cudd A, Dabrowska A, De Rosa G, Dealtry T, Denner PF, Dennis SR, Densham C, Di Lodovico F, Dokania N, Dolan S, Drapier O, Duffy KE, Dumarchez J, Dunne P, Emery-Schrenk S, Ereditato A, Fernandez P, Feusels T, Finch AJ, Fiorentini GA, Fiorillo G, Francois C, Friend M, Fujii Y, Fujita R, Fukuda D, Fukuda Y, Gameil K, Giganti C, Gizzarelli F, Golan T, Gonin M, Hadley DR, Haegel L, Haigh JT, Hamacher-Baumann P, Hansen D, Harada J, Hartz M, Hasegawa T, Hastings NC, Hayashino T, Hayato Y, Hiramoto A, Hogan M, Holeczek J, Hosomi F, Ichikawa AK, Ikeda M, Imber J, Inoue T, Intonti RA, Ishida T, Ishii T, Ishitsuka M, Iwamoto K, Izmaylov A, Jamieson B, Jiang M, Johnson S, Jonsson P, Jung CK, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Karlen D, Katori T, Kato Y, Kearns E, Khabibullin M, Khotjantsev A, Kim H, Kim J, King S, Kisiel J, Knight A, Knox A, Kobayashi T, Koch L, Koga T, Koller PP, Konaka A, Kormos LL, Koshio Y, Kowalik K, Kubo H, Kudenko Y, Kurjata R, Kutter T, Kuze M, Labarga L, Lagoda J, Lamoureux M, Lasorak P, Laveder M, Lawe M, Licciardi M, Lindner T, Liptak ZJ, Litchfield RP, Li X, Longhin A, Lopez JP, Lou T, Ludovici L, Lu X, Magaletti L, Mahn K, Malek M, Manly S, Maret L, Marino AD, Martin JF, Martins P, Maruyama T, Matsubara T, Matveev V, Mavrokoridis K, Ma WY, Mazzucato E, McCarthy M, McCauley N, McFarland KS, McGrew C, Mefodiev A, Metelko C, Mezzetto M, Minamino A, Mineev O, Mine S, Missert A, Miura M, Moriyama S, Morrison J, Mueller TA, Murphy S, Nagai Y, Nakadaira T, Nakahata M, Nakajima Y, Nakamura KG, Nakamura K, Nakamura KD, Nakanishi Y, Nakayama S, Nakaya T, Nakayoshi K, Nantais C, Nielsen C, Niewczas K, Nishikawa K, Nishimura Y, Nonnenmacher TS, Novella P, Nowak J, O'Keeffe HM, O'Sullivan L, Okumura K, Okusawa T, Oryszczak W, Oser SM, Owen RA, Oyama Y, Palladino V, Palomino JL, Paolone V, Paudyal P, Pavin M, Payne D, Pickering L, Pidcott C, Pinzon Guerra ES, Pistillo C, Popov B, Porwit K, Posiadala-Zezula M, Pritchard A, Quilain B, Radermacher T, Radicioni E, Ratoff PN, Reinherz-Aronis E, Riccio C, Rondio E, Rossi B, Roth S, Rubbia A, Ruggeri AC, Rychter A, Sakashita K, Sánchez F, Sasaki S, Scantamburlo E, Scholberg K, Schwehr J, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shah R, Shaikhiev A, Shaker F, Shaw D, Shiozawa M, Smirnov A, Smy M, Sobczyk JT, Sobel H, Sonoda Y, Steinmann J, Stewart T, Stowell P, Suda Y, Suvorov S, Suzuki A, Suzuki SY, Suzuki Y, Sztuc AA, Tacik R, Tada M, Takeda A, Takeuchi Y, Tamura R, Tanaka HK, Tanaka HA, Thakore T, Thompson LF, Toki W, Touramanis C, Tsui KM, Tsukamoto T, Tzanov M, Uchida Y, Uno W, Vagins M, Vallari Z, Vasseur G, Vilela C, Vladisavljevic T, Volkov VV, Wachala T, Walker J, Wang Y, Wark D, Wascko MO, Weber A, Wendell R, Wilking MJ, Wilkinson C, Wilson JR, Wilson RJ, Wret C, Yamada Y, Yamamoto K, Yamasu S, Yanagisawa C, Yang G, Yano T, Yasutome K, Yen S, Yershov N, Yokoyama M, Yoshida T, Yu M, Zalewska A, Zalipska J, Zaremba K, Zarnecki G, Ziembicki M, Zimmerman ED, Zito M, Zsoldos S, Zykova A. Search for CP Violation in Neutrino and Antineutrino Oscillations by the T2K Experiment with 2.2×10^{21} Protons on Target. PHYSICAL REVIEW LETTERS 2018; 121:171802. [PMID: 30411920 DOI: 10.1103/physrevlett.121.171802] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Indexed: 06/08/2023]
Abstract
The T2K experiment measures muon neutrino disappearance and electron neutrino appearance in accelerator-produced neutrino and antineutrino beams. With an exposure of 14.7(7.6)×10^{20} protons on target in the neutrino (antineutrino) mode, 89 ν_{e} candidates and seven anti-ν_{e} candidates are observed, while 67.5 and 9.0 are expected for δ_{CP}=0 and normal mass ordering. The obtained 2σ confidence interval for the CP-violating phase, δ_{CP}, does not include the CP-conserving cases (δ_{CP}=0, π). The best-fit values of other parameters are sin^{2}θ_{23}=0.526_{-0.036}^{+0.032} and Δm_{32}^{2}=2.463_{-0.070}^{+0.071}×10^{-3} eV^{2}/c^{4}.
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Hartopo AB, Arfian N, Nakayama K, Suzuki Y, Yagi K, Emoto N. Endothelial-derived endothelin-1 promotes pulmonary vascular remodeling in bleomycin-induced pulmonary fibrosis. Physiol Res 2018; 67:S185-S197. [PMID: 29947539 DOI: 10.33549/physiolres.933812] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Endothelin-1 (ET-1) induces pulmonary vascular remodeling and pulmonary hypertension secondary to pulmonary fibrosis. Given that endothelial cells are the main source of ET-1 and ET-1 from other cells may encounter difficulty penetrating vascular compartments, we hypothesize that endothelial-derived ET-1 promotes vascular remodeling secondary to pulmonary fibrosis. We used vascular endothelial ET-1 knock-out (VEETKO) and Wild type mice for this research. They were given intratracheal bleomycin and euthanized at day 28. We quantified pulmonary fibrosis, measured lung ET-1 and its receptors' expression, and assessed pulmonary vascular remodeling by calculating medial wall index, muscularization index, adventitial collagen and adventitial fibroblast and macrophage accumulation. Right ventricle remodeling was also assessed. Both VEETKO and Wild type mice developed comparable pulmonary fibrosis and similar fibrosis-related gene expression. Compared to Wild type mice, bleomycin-induced VEETKO mice had lower ET-1 peptide levels (15.4 pg/mg vs. 31.2 pg/mg, p<0.01). Expression of both ET-1 receptors mRNAs were increased in fibrosis models. Bleomycin-induced fibrosis VEETKO mice had significantly less muscularized arterioles, lower muscularization index and attenuated adventitial collagen, fibroblast and macrophage accumulation as compared to that of Wild type mice. Right ventricular pressure, hypertrophy and fibrosis did not increase both in VEETKO and Wild type mice despite the more enhanced vascular remodeling in Wild type. In conclusion, endothelial-derived endothelin-1 promotes pulmonary vascular remodeling secondary to bleomycin-induced pulmonary fibrosis.
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Ohno T, Nosaka Y, Fujiwara W, Miyamoto T, Kadonaga T, Kidokoro Y, Wakahara M, Takagi Y, Tanaka Y, Haruki T, Miwa K, Suzuki Y, Taniguchi Y, Nakamura H, Umekita Y. P2.09-26 Clinical Significance of Subcellular Localization of Maspin in Patients with Pathological Stage IA Lung Adenocarcinoma. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kidokoro Y, Haruki T, Nozaka Y, Fujiwara W, Miyamoto T, Kadonaga T, Ohno T, Wakahara M, Takagi Y, Tanaka Y, Nosaka K, Miwa K, Suzuki Y, Taniguchi Y, Kodani M, Umekita Y, Nakamura H. P3.09-24 The Concordance of Histological Diagnosis from Transbronchial Biopsy and Resected Specimen of Lung Cancers. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Purohit S, Suzuki Y, Ohdachi S, Yamamoto S. Improved design for Heliotron J soft X-ray diagnostic for tomographic reconstruction studies. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2018; 89:10G102. [PMID: 30399660 DOI: 10.1063/1.5038953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/12/2018] [Indexed: 06/08/2023]
Abstract
Identifications of the plasma boundary shape and mode structure are important problems for the studies of the magnetohydrodynamics equilibrium and stability studies. Imaging diagnostics have the possibility to measure the plasma boundary shape and mode structure directly. The soft X-ray (SX) tomography is an imaging diagnostic for offering these direct measurements. However, SX tomography is by nature a limited angle tomography and provides a challenge as an ill-condition inverse problem. The reconstructed profiles depend heavily on the quality of measurements along with the employed inversion algorithm. This paper provides a detailed description of tomographic reconstruction of simulated SX measurements from the current SX diagnostic design of Heliotron J (H-J), which is a medium size heliotron device. Heliotron J has a unique magnetic geometry, and the quantitative identification of the plasma boundary and mode structure is a critical problem. The Phillip-Tikhonov regularization is employed to address the inversion problem. Finally, a new design for Heliotron J soft X-ray diagnostic is discussed which holds enhanced capabilities for tomographic reconstructions especially for the high poloidal number perturbations.
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Sakurai K, Fujisaki S, Kubota H, Suzuki Y, Hara Y, Suzuki S, Adachi K, Tomita R, Enomoto K, Hirano T, Saga R, Makishima M. [Treatment Experience of Palbociclib as a New Checkpoint Inhibitor]. Gan To Kagaku Ryoho 2018; 45:1498-1500. [PMID: 30382057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We encountered a case of multiple metastases from breast cancer. The patient was administered palbociclib, which was a new checkpoint inhibitor. The patient received various chemotherapies and endocrine therapies. We observed episode of care, a harm phenomenon, and tolerability. We did not recognize adverse events more severe than Grade 3 during the 6 weeks after initiating palbociclib therapy. Diagnostic imaging showed that the metastatic lesions maintained stable disease during the 6 weeks after initiating palbociclib therapy. This case suggested that palbociclib therapy is useful for patients with metastatic breast cancer.
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142
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Suzuki Y, Kan M, Kimura G, Umemoto K, Watanabe K, Sasaki M, Takahashi H, Hashimoto Y, Imaoka H, Ohno I, Mitsunaga S, Ikeda M. Predictive factors of outcome in patients with advanced biliary tract cancer receiving gemcitabine plus cisplatin as first-line chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy282.150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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143
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Suzuki Y, Sakurai K, Adachi K, Kubota H, Suzuki S, Takei S, Hara Y, Enomoto K, Hirano T, Makishima M. [Indoleamine 2,3-Dioxygenase Activity during Long-Term Letrozole Therapy for Hormone Receptor-Positive Breast Cancer]. Gan To Kagaku Ryoho 2018; 45:1495-1497. [PMID: 30382056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Endocrine therapy is effective for elderly patients who are diagnosed with estrogen receptor-positive breast cancer and cannot receive surgical treatment or chemotherapy because of advanced age. The duration of response in patients receiving letrozole is approximately 10.3 months. There are few cases with more than 3 years of response. We evaluated the significance of indoleamine 2,3-dioxygenase(IDO)during letrozole therapy in long-term response. We measured IDO activity based on the tryptophan(Trp)/kynurenine(Kyn)ratio. Trp and Kyn levels were measured using high-performance liquid chromatography(HPLC). The Trp/Kyn ratio decreased along with tumor reduction after letrozole therapy. These results suggest that measuring the Trp/Kyn ratio may be useful for evaluating immunological status during endocrine therapy in elderly patients with locally advanced breast cancer.
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144
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Adachi K, Sakurai K, Kubota H, Suzuki Y, Suzuki S, Makishima M, Koshinaga T. [Breast Cancer Operation for a Patient Administered Immunosuppressive Drug-A Case Report]. Gan To Kagaku Ryoho 2018; 45:1501-1503. [PMID: 30382058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A 57-year-old woman with a history of interstitial pneumonia since 5 years ago was diagnosed with a 10mm diameter tumor during the medical examination and consultation at the hospital. The tumor was palpable in the AC area of her right breast. An ultrasonography showed an irregular-shaped mass. A vacuum-assisted biopsy was performed, and the pathologicaldiagnosis was suspicious for malignancy. Then, we performed an excisionalbiopsy and confirmed the definitive diagnosis of invasive ductalcarcinoma. However, surgicalmargins were positive on the skin and lateralside; therefore, we conducted a two-stage surgery. Interstitialpneumonia was in the active phase, and she was administered sufficient amount of immunosuppressive drugs. Therefore, we performed additionalresection under localanesthesia, not generalanesthesia. Interstitial pneumonia did not worsen perioperatively, and the postoperative course was uneventful. Surgeries performed while the patient is administered with immunosuppressive drugs may cause infections and delayed wound healing. Thus, perioperative complications should be carefully considered.
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Li Z, Abe K, Bronner C, Hayato Y, Ikeda M, Iyogi K, Kameda J, Kato Y, Kishimoto Y, Marti L, Miura M, Moriyama S, Nakahata M, Nakajima Y, Nakano Y, Nakayama S, Orii A, Pronost G, Sekiya H, Shiozawa M, Sonoda Y, Takeda A, Takenaka A, Tanaka H, Tasaka S, Tomura T, Akutsu R, Kajita T, Nishimura Y, Okumura K, Tsui K, Fernandez P, Labarga L, Blaszczyk F, Gustafson J, Kachulis C, Kearns E, Raaf J, Stone J, Sulak L, Berkman S, Tobayama S, Elnimr M, Kropp W, Locke S, Mine S, Weatherly P, Smy M, Sobel H, Takhistov V, Ganezer K, Hill J, Kim J, Lim I, Park R, Himmel A, O’Sullivan E, Scholberg K, Walter C, Ishizuka T, Nakamura T, Jang J, Choi K, Learned J, Matsuno S, Smith S, Amey J, Litchfield R, Ma W, Uchida Y, Wascko M, Cao S, Friend M, Hasegawa T, Ishida T, Ishii T, Kobayashi T, Nakadaira T, Nakamura K, Oyama Y, Sakashita K, Sekiguchi T, Tsukamoto T, Abe KE, Hasegawa M, Suzuki A, Takeuchi Y, Yano T, Hayashino T, Hiraki T, Hirota S, Huang K, Jiang M, Mori M, Nakamura KE, Nakaya T, Patel N, Wendell R, Anthony L, McCauley N, Pritchard A, Fukuda Y, Itow Y, Murase M, Muto F, Mijakowski P, Frankiewicz K, Jung C, Li X, Palomino J, Santucci G, Vilela C, Wilking M, Yanagisawa C, Yang G, Ito S, Fukuda D, Ishino H, Kibayashi A, Koshio Y, Nagata H, Sakuda M, Xu C, Kuno Y, Wark D, Di Lodovico F, Richards B, Sedgwick S, Tacik R, Kim S, Cole A, Thompson L, Okazawa H, Choi Y, Ito K, Nishijima K, Koshiba M, Suda Y, Yokoyama M, Calland R, Hartz M, Martens K, Murdoch M, Quilain B, Simpson C, Suzuki Y, Vagins M, Hamabe D, Kuze M, Okajima Y, Yoshida T, Ishitsuka M, Martin J, Nantais C, Tanaka H, Towstego T, Konaka A, Chen S, Wan L, Zhang Y, Minamino A, Wilkes R. Measurement of the tau neutrino cross section in atmospheric neutrino oscillations with Super-Kamiokande. Int J Clin Exp Med 2018. [DOI: 10.1103/physrevd.98.052006] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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146
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Kuroda Y, Fujino Y, Morita A, Tanioka Y, Suzuki Y, Kawamura T, Ku Y, Saitoh Y. The mechanism of action of the two-layer (Euro-Collins' solution/perfluorochemical) cold storage method in canine pancreas preservation. Transpl Int 2018. [DOI: 10.1111/tri.1992.5.s1.391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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147
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Takizawa M, Suzuki Y, Kobayashi Y. Adductor magnus is just as much an antigravity muscle around hip joint as gluteus maximus. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.1250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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148
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Yamamoto S, Matsuzawa R, Yoneki K, Harada M, Watanabe T, Shimoda T, Suzuki Y, Matsunaga Y, Kamiya K, Yoshida, Matsunaga A. A cross-sectional study of physical activity on non-dialysis and dialysis days: Association with physical functioning. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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149
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Matsumoto K, Oohana K, Hashimoto M, Usuda K, Shimoda T, Ohshima H, Suzuki Y, Togawa T. Enzyme-mediated enantioselective hydrolysis of 1,2-diol monotosylate derivatives bearing an unsaturated substituent. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.05.087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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150
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Sawamura Y, Ohto H, Ikeda K, Kanno T, Suzuki Y, Gonda K, Tasaki T, Nollet KE, Takahashi H, Aota S. Impact of prestorage leucoreduction of autologous whole blood on length of hospital stay with a subgroup analysis in bilateral hip arthroplasty. Vox Sang 2018; 113:584-593. [PMID: 29923207 DOI: 10.1111/vox.12674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 05/06/2018] [Accepted: 05/08/2018] [Indexed: 01/20/2023]
Abstract
BACKGROUND Although prestorage leucoreduction (LR) of blood components for transfusion has gained favour around the world, evidence of its beneficial clinical effects is ambiguous. STUDY DESIGN AND METHODS To reveal whether leucocytes and/or platelets in transfused blood are related to transfusion-related adverse effects, a prospective randomized crossover study was performed on patients who donated autologous blood prior to elective surgery. Among 1487 primary enrolees, a total of 192 patients undergoing two-stage, bilateral total hip arthroplasty were randomized to receive autologous blood that was either prestorage leucoreduced, or not, for the first procedure. For the second procedure, each patient was crossed over to receive alternatively processed autologous blood. Length of hospital stay served as a primary end-point, with perioperative infectious/thrombotic complications, pre- and postoperative laboratory values, and body temperature serving as secondary endpoints. RESULTS No significant differences emerged between prestorage LR and non-LR cohorts in length of hospital stay, as well as perioperative infectious/thrombotic complications, postoperative body temperature and duration of fever. Postoperative laboratory values including white blood cell counts and C-reactive protein levels had no significant differences. CONCLUSION This study could not prove any superiority of prestorage LR over non-LR for autologous whole blood among patients who underwent total hip arthroplasty.
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