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Liu XH, Stentiford GD, Voronin VN, Sato H, Li AH, Zhang JY. Pseudokabatana alburnus n. gen. n. sp., (Microsporidia) from the liver of topmouth culter Culter alburnus (Actinopterygii, Cyprinidae) from China. Parasitol Res 2019; 118:1689-1699. [PMID: 30976967 DOI: 10.1007/s00436-019-06303-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 03/25/2019] [Indexed: 12/26/2022]
Abstract
We describe the type species of a novel genus of microsporidian parasite, Pseudokabatana alburnus n. gen. n. sp., infecting the liver of topmouth culter, Culter alburnus Basilewsky, 1855, from Lake Poyang off Xingzi county, Jiangxi Province, China. The parasite elicits formation of spherical xenomas of up to 1.2 mm in diameter containing all observed life stages from early merogonal plasmodia to mature spores contained within the cytoplasm of host hepatocytes. Merogonal plasmodia existed in direct contact with the host cytoplasm and contained up to 20 visible nuclei. Plasmotomy of the multinucleate plasmodium led to formation of uninucleate cells in which the nucleus underwent further division to form bi-nucleate presporonts, sporonts (defined by cells with a thickened endospore) and eventually sporoblasts (containing pre-cursors of the spore extrusion apparatus). Mature spores were pyriform and monokaryotic, measuring 2.3 ± 0.19 μm long and 1.3 ± 0.10 μm wide. Spores possessed a bipartite polaroplast and 5-6 coils of a polar filament, in a single rank. The obtained partial SSU rRNA gene sequence, 1383 bp in length, did not match any of microsporidia available in GenBank. SSU rDNA-based phylogenetic analysis indicated a new taxon branching with Kabatana rondoni, a parasite infecting the skeletal muscle of Gymnorhamphichthys rondoni from the Amazon River. Due to different host and tissue tropism, the novel taxon did not fit the diagnostic criteria for the genus Kabatana. Further, based on SSU rDNA-inferred phylogenetic analyses, different ultrastructural features of developmental stages, and ecological considerations, a new genus Pseudokabatana and type species Pseudokabatana alburnus n. sp. was erected for the parasite in topmouth culter.
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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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Sato H, Toyama K, Koide Y, Morise Z, Uyama I. Clinical Significance of Serum CEA and CA19-9 Levels before Surgery and during Postoperative Follow-up in Colorectal Cancer. Eur J Surg Oncol 2019. [DOI: 10.1016/j.ejso.2018.10.216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Wu W, Wang QS, Sato H, Zhang JY. Morphological and molecular characterization of the muscle-infecting myxosporean Myxobolus xinyangensis sp. nov. from Abbottina rivularis in China. DISEASES OF AQUATIC ORGANISMS 2019; 132:171-179. [PMID: 31188132 DOI: 10.3354/dao03317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
During an environmental assessment on the Huang River in Xinyang City (Henan Province, China), a novel Myxobolus species (Myxozoa: Myxobolidae) was found infecting the trunk muscle of Chinese false gudgeon Abbottina rivularis Basilewsky, 1855 (Gobioninae, Cyprinidae). Plasmodia of the new myxozoan, nominated herein as Myxobolus xinyangensis sp. nov., are round and yellowish, symmetrically and bilaterally located dorsal to the openings of the 2 opercula, and measure about 4.5 mm in diameter. The mature myxospores are orbicular in frontal view and fusiform in sutural view, with slightly tapered anterior end and rounded posterior end, and measure 9.4 ± 0.5 (8.7-10.6) µm long, 8.6 ± 0.6 (7.3-9.5) µm wide and 6.4 ± 0.3 (5.8-7.1) µm thick (mean ± SD, range). The ratio of spore length to spore width is close to 1. Two slightly unequal pyriform polar capsules, with tapering anterior ends and rounded posterior ends, measure 5.6 ± 0.67 (4.3-6.8) µm long and 3.0 ± 0.3 (2.4-3.6) µm wide, present as a figure 8 in the anterior part of spores and tightly converge at the top end of spores. Polar filament coils show 4 to 5 turns and are situated perpendicularly to the longitudinal axis of the polar capsules. No intercapsular appendix or sutural folds at the posterior end of spores were observed. The obtained partial small subunit ribosomal DNA sequence did not match any available data in GenBank and showed the highest sequence identity (93%) with 2 cyprinid trunk muscle-infecting Myxobolus species, M. pseudodispar and M. klamathellus. Phylogenetic analysis clearly showed that M. xinyangensis sp. nov. clustered within a cyprinid trunk muscle-infecting Myxobolus subclade at the basal position, but as an independent branch which was a possible reflection of its distinct myxospore morphology. This is the first record of infection of Myxobolus species in the trunk muscle of Abbotina fish.
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Leblond S, Marqués FM, Gibelin J, Orr NA, Kondo Y, Nakamura T, Bonnard J, Michel N, Achouri NL, Aumann T, Baba H, Delaunay F, Deshayes Q, Doornenbal P, Fukuda N, Hwang JW, Inabe N, Isobe T, Kameda D, Kanno D, Kim S, Kobayashi N, Kobayashi T, Kubo T, Lee J, Minakata R, Motobayashi T, Murai D, Murakami T, Muto K, Nakashima T, Nakatsuka N, Navin A, Nishi S, Ogoshi S, Otsu H, Sato H, Satou Y, Shimizu Y, Suzuki H, Takahashi K, Takeda H, Takeuchi S, Tanaka R, Togano Y, Tuff AG, Vandebrouck M, Yoneda K. First Observation of ^{20}B and ^{21}B. PHYSICAL REVIEW LETTERS 2018; 121:262502. [PMID: 30636115 DOI: 10.1103/physrevlett.121.262502] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 10/23/2018] [Indexed: 06/09/2023]
Abstract
The most neutron-rich boron isotopes ^{20}B and ^{21}B have been observed for the first time following proton removal from ^{22}N and ^{22}C at energies around 230 MeV/nucleon. Both nuclei were found to exist as resonances which were detected through their decay into ^{19}B and one or two neutrons. Two-proton removal from ^{22}N populated a prominent resonancelike structure in ^{20}B at around 2.5 MeV above the one-neutron decay threshold, which is interpreted as arising from the closely spaced 1^{-},2^{-} ground-state doublet predicted by the shell model. In the case of proton removal from ^{22}C, the ^{19}B plus one- and two-neutron channels were consistent with the population of a resonance in ^{21}B 2.47±0.19 MeV above the two-neutron decay threshold, which is found to exhibit direct two-neutron decay. The ground-state mass excesses determined for ^{20,21}B are found to be in agreement with mass surface extrapolations derived within the latest atomic-mass evaluations.
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Ishiki H, Satomi E, Tada Y, Yokota T, Sato H, Okamoto M, Osaka I. Clinical factors associated with satisfaction of cancer patients for the treatment of opioid-induced constipation: A post hoc analysis utilizing outcomes of naldemedine phase III study. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy444.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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82
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Takahashi K, Sato H, Tominaga K, Kohisa J, Ikarashi S, Hayashi K, Miuzno K, Hashimoto S, Yokoyama J, Terai S. Gastrointestinal: A case of hypereosinophilic syndrome with esophageal involvement. J Gastroenterol Hepatol 2018; 33:1817. [PMID: 29989251 DOI: 10.1111/jgh.14312] [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: 03/24/2018] [Accepted: 06/04/2018] [Indexed: 12/09/2022]
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83
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Noriyuki T, Imai H, Fumita S, Harada T, Gamoh M, Akashi Y, Sato H, Kizawa Y, Tokoro A. Opioid-induced constipation in patients with cancer pain in Japan (OIC-J study): Patients’ self-assessment of the symptoms and the impact. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy444.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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84
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Sato H, Yamamura A, Matsuo J, Hossain Z, Osato M, Naitoh T, Kamei T, Unno M, Ito Y. Runx1 enhancer element marks stem/progenitor cells in pancreas and can be an origin of cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy432.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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85
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Imai H, Fumita S, Harada T, Noriyuki T, Gamoh M, Akashi Y, Sato H, Kizawa Y, Tokoro A. Opioid-induced constipation in patients with cancer pain in Japan: Prospective observational study using Rome IV OIC diagnostic criteria (OIC-J Study). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy300.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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86
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Satomi E, Ishiki H, Yokota T, Tada Y, Sato H, Okamoto M, Osaka I. Efficacy and tolerability of naldemedine in patient with cancer and opioid-induced constipation: A pooled subgroup analysis of 2 randomized placebo-controlled studies. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy300.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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87
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Sato H, Tomita Y. Resistance to thyroid hormone accompanied by atrial fibrillation. Endocrinol Diabetes Metab Case Rep 2018; 2018:EDM180100. [PMID: 30306779 PMCID: PMC6169536 DOI: 10.1530/edm-18-0100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Resistance to thyroid hormone (RTH), which is primarily caused by mutations in the thyroid hormone (TH) receptor beta (THRB) gene, is dominantly inherited syndrome of variable tissue hyposensitivity to TH. We herein describe a case involving a 22-year-old Japanese man with RTH and atrial fibrillation (AF) complaining of palpitation and general fatigue. Electrocardiography results revealed AF. He exhibited elevated TH levels and an inappropriately normal level of thyroid-stimulating hormone (TSH). Despite being negative for anti-TSH receptor antibody, thyroid-stimulating antibody and anti-thyroperoxidase antibody, the patient was positive for anti-thyroglobulin (Tg) antibody. Genetic analysis of the THRB gene identified a missense mutation, F269L, leading to the diagnosis of RTH. Normal sinus rhythm was achieved after 1 week of oral bisoprolol fumarate (5 mg/day) administration. After 3 years on bisoprolol fumarate, the patient had been doing well with normal sinus rhythm, syndrome of inappropriate secretion of TSH (SITSH) and positive titer of anti-Tg antibody.
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Yasuda J, Sasano M, Zegers RGT, Baba H, Bazin D, Chao W, Dozono M, Fukuda N, Inabe N, Isobe T, Jhang G, Kameda D, Kaneko M, Kisamori K, Kobayashi M, Kobayashi N, Kobayashi T, Koyama S, Kondo Y, Krasznahorkay AJ, Kubo T, Kubota Y, Kurata-Nishimura M, Lee CS, Lee JW, Matsuda Y, Milman E, Michimasa S, Motobayashi T, Muecher D, Murakami T, Nakamura T, Nakatsuka N, Ota S, Otsu H, Panin V, Powell W, Reichert S, Sakaguchi S, Sakai H, Sako M, Sato H, Shimizu Y, Shikata M, Shimoura S, Stuhl L, Sumikama T, Suzuki H, Tangwancharoen S, Takaki M, Takeda H, Tako T, Togano Y, Tokieda H, Tsubota J, Uesaka T, Wakasa T, Yako K, Yoneda K, Zenihiro J. Extraction of the Landau-Migdal Parameter from the Gamow-Teller Giant Resonance in ^{132}Sn. PHYSICAL REVIEW LETTERS 2018; 121:132501. [PMID: 30312098 DOI: 10.1103/physrevlett.121.132501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/21/2018] [Indexed: 06/08/2023]
Abstract
The key parameter to discuss the possibility of the pion condensation in nuclear matter, i.e., the so-called Landau-Migdal parameter g^{'}, was extracted by measuring the double-differential cross sections for the (p,n) reaction at 216 MeV/u on a neutron-rich doubly magic unstable nucleus, ^{132}Sn with the quality comparable to data taken with stable nuclei. The extracted strengths for Gamow-Teller (GT) transitions from ^{132}Sn leading to ^{132}Sb exhibit the GT giant resonance (GTR) at the excitation energy of 16.3±0.4(stat)±0.4(syst) MeV with the width of Γ=4.7±0.8 MeV. The integrated GT strength up to E_{x}=25 MeV is S_{GT}^{-}=53±5(stat)_{-10}^{+11}(syst), corresponding to 56% of Ikeda's sum rule of 3(N-Z)=96. The present result accurately constrains the Landau-Migdal parameter as g^{'}=0.68±0.07, thanks to the high sensitivity of the GTR energy to g^{'}. In combination with previous studies on the GTR for ^{90}Zr and ^{208}Pb, the result of this work shows the constancy of this parameter in the nuclear chart region with (N-Z)/A=0.11 to 0.24 and A=90 to 208.
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Takaoka H, Sato H, Higashihara J. New records of five species of black flies (Diptera: Simuliidae) from Myanmar, with descriptions of the male and pupa of Simulium chanyae. Trop Biomed 2018; 35:804-814. [PMID: 33601767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Five species of black flies are newly recorded from Myanmar: Simulium (Gomphostilbia) gombakense Takaoka and Davies, S. (G.) siamense Takaoka and Suzuki, S. (Simulium) chanyae Takaoka and Choochote, S. (S.) nigrifacies Datta and S. (S.) tani Takaoka and Davies (complex). This increases the number of species of black flies from Myanmar from 23 to 28. The male and pupa of S. (S.) chanyae are described for the first time. The pupa of this species is characterized by having the wall-pocket-shaped cocoon without anterolateral windows, separating it from most other species of the Simulium multistriatum species-group.
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Nagahama T, Sato H, Shimazu M, Sugiyama J. Phylogenetic divergence of the entomophthoralean fungi: Evidence from nuclear 18S ribosomal RNA gene sequences. Mycologia 2018. [DOI: 10.1080/00275514.1995.12026522] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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91
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Konno R, Tatebe S, Sugimura K, Satoh K, Aoki T, Yamamoto S, Sato H, Kozu K, Adachi O, Kimura M, Saiki Y, Shimokawa H. P5478Hepatitis C virus positivity adversely affects systemic ventricular function and long-term prognosis in patients with adult congenital heart disease. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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92
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Yoshizane T, Tanaka R, Kato M, Hayano Y, Takai A, Ueno C, Kishi R, Iwata T, Otsuka M, Nagaya M, Sato H, Noda T, Takatsu H, Minatoguchi S, Kawasaki M. P1769Impact of left ventricular size and deformational parameters on ejection fraction in patients with hemodialysis: a study using 3-dimensional speckle tracking echocardiography. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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93
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Yoshizane T, Tanaka R, Minatoguchi S, Kawamura I, Sato H, Otsuka M, Nagaya M, Ueno T, Watanabe R, Warita S, Noda T, Nagata K, Takatsu H, Minatoguchi S, Kawasaki M. P866Noninvasive and comprehensive evaluation of the impact of left ventricular pressure overload on both systolic and diastolic function using speckle tracking echocardiography. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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94
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Minatoguchi S, Yoshizane T, Kawamura I, Tanaka R, Kishi R, Nagaya M, Sato H, Iwata T, Ono K, Matsuo H, Noda T, Nagata K, Takatsu H, Minatoguchi S, Kawasaki M. P5649Impact of left ventricular pressure overload on relaxation and stiffness in patients with preserved ejection fraction: noninvasive study using speckle tracking echocardiography. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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95
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Toki N, Takasugi S, Ishizu K, Sato H, Sumi H. Studies on the Activation Mechanism of Fibrinolytic Enzyme System in Plasma by Human Pancreatic Elastase. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1657114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
SummaryIn the present study, the activation mechanism of fibrinolytic enzyme system in plasma by human pancreatic elastase was investigated. It was confirmed that human pancreatic elastase not only converted the co-existing plasminogen to low molecular weight-plasminogen which could be easily activated by the activator, but also inhibited α2-macroglobulin and α2-plasmin inhibitor which are antiactivators or fast reacting antiplasmins, and consequently, induced the activation of the fibrinolytic enzyme system in plasma.
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Tarasov OB, Ahn DS, Bazin D, Fukuda N, Gade A, Hausmann M, Inabe N, Ishikawa S, Iwasa N, Kawata K, Komatsubara T, Kubo T, Kusaka K, Morrissey DJ, Ohtake M, Otsu H, Portillo M, Sakakibara T, Sakurai H, Sato H, Sherrill BM, Shimizu Y, Stolz A, Sumikama T, Suzuki H, Takeda H, Thoennessen M, Ueno H, Yanagisawa Y, Yoshida K. Discovery of ^{60}Ca and Implications For the Stability of ^{70}Ca. PHYSICAL REVIEW LETTERS 2018; 121:022501. [PMID: 30085743 DOI: 10.1103/physrevlett.121.022501] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/11/2018] [Indexed: 06/08/2023]
Abstract
The discovery of the important neutron-rich nucleus _{20}^{60}Ca_{40} and seven others near the limits of nuclear stability is reported from the fragmentation of a 345 MeV/u ^{70}Zn projectile beam on ^{9}Be targets at the radioactive ion-beam factory of the RIKEN Nishina Center. The produced fragments were analyzed and unambiguously identified using the BigRIPS two-stage in-flight separator. The eight new neutron-rich nuclei discovered, ^{47}P, ^{49}S, ^{52}Cl, ^{54}Ar, ^{57}K, ^{59,60}Ca, and ^{62}Sc, are the most neutron-rich isotopes of the respective elements. In addition, one event consistent with ^{59}K was registered. The results are compared with the drip lines predicted by a variety of mass models and it is found that the models in best agreement with the observed limits of existence in the explored region tend to predict the even-mass Ca isotopes to be bound out to at least ^{70}Ca.
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Einhorn L, Hofstetter G, Brandt S, Hainisch EK, Fukuda I, Kusano K, Scheynius A, Mittermann I, Resch-Marat Y, Vrtala S, Valenta R, Marti E, Rhyner C, Crameri R, Satoh R, Teshima R, Tanaka A, Sato H, Matsuda H, Pali-Schöll I, Jensen-Jarolim E. Molecular allergen profiling in horses by microarray reveals Fag e 2 from buckwheat as a frequent sensitizer. Allergy 2018; 73:1436-1446. [PMID: 29350763 PMCID: PMC6032949 DOI: 10.1111/all.13417] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2018] [Indexed: 12/13/2022]
Abstract
Background Companion animals are also affected by IgE‐mediated allergies, but the eliciting molecules are largely unknown. We aimed at refining an allergen microarray to explore sensitization in horses and compare it to the human IgE reactivity profiles. Methods Custom‐designed allergen microarray was produced on the basis of the ImmunoCAP ISAC technology containing 131 allergens. Sera from 51 horses derived from Europe or Japan were tested for specific IgE reactivity. The included horse patients were diagnosed for eczema due to insect bite hypersensitivity, chronic coughing, recurrent airway obstruction and urticaria or were clinically asymptomatic. Results Horses showed individual IgE‐binding patterns irrespective of their health status, indicating sensitization. In contrast to European and Japanese human sensitization patterns, frequently recognized allergens were Aln g 1 from alder and Cyn d 1 from Bermuda grass, likely due to specific respiratory exposure around paddocks and near the ground. The most prevalent allergen for 72.5% of the tested horses (37/51) was the 2S‐albumin Fag e 2 from buckwheat, which recently gained importance not only in human but also in horse diet. Conclusion In line with the One Health concept, covering human health, animal health and environmental health, allergen microarrays provide novel information on the allergen sensitization patterns of the companion animals around us, which may form a basis for allergen‐specific preventive and therapeutic concepts.
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Musha A, Yokoo S, Takayama Y, Sato H. Clinicopathological investigation of odontogenic fibroma in tuberous sclerosis complex. Int J Oral Maxillofac Surg 2018; 47:918-922. [PMID: 29653868 DOI: 10.1016/j.ijom.2018.03.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 02/18/2018] [Accepted: 03/26/2018] [Indexed: 11/18/2022]
Abstract
Tuberous sclerosis complex (TSC) is an autosomal dominant inherited disease characterized by systemic hamartoma and diverse systemic features. TSC1 and TSC2 are the causative genes, and mental retardation, epileptic seizures, and facial angiofibroma develop in many patients with the disease. The case of a patient with TSC who developed a central odontogenic fibroma of the mandible is reported here. The patient was a 21-year-old woman who was referred with a swelling of the labial gingiva in the region of the right lower lateral incisor and canine. Dental radiography revealed a multilocular radiolucent region with a clear boundary. The right lower lateral incisor and canine were continuous with the lesion and thus were excised en bloc. The lesion was encapsulated and easily dissected. The diagnosis on immunohistological staining was odontogenic fibroma without an epithelial component. TSC1/2 gene mutation causes abnormal activation of mammalian target of rapamycin (mTOR) downstream of the PI3K-AKT pathway. The odontogenic fibroma in this patient was positive for mTOR, suggesting that the development of the odontogenic fibroma was the result of abnormal activation of mTOR, as in angiofibroma. The clinical course of this patient is presented and the developmental mechanism of central odontogenic fibroma is discussed.
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Abstract
The Permeation characteristics of the cellulose triacetate membrane used for hemofiltration were studied and compared with other commercially available sheet type membranes. The critical solute fractionation profile of the cellulose triacetate membrane was very similar to that of a glomerular basement membrane. The cellulose triacetate membrane showed a typical gel concentration polarization with a protein solution; however, the surface of the membrane is considered to be relatively homogeneous for permeation based on the relation between fluxes of the protein solution and saline: the flux of the protein solution is not much less than that of saline. This result differs from that observed with other membranes. Because of these desirable characteristics the cellulose triacetate membrane is considered to be suitable as a membrane for a hemofiltration system.
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100
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Iwasaki T, Sato H, Suga H, Takemoto Y, Inada E, Saitoh I, Kakuno K, Kanomi R, Yamasaki Y. Influence of pharyngeal airway respiration pressure on Class II mandibular retrusion in children: A computational fluid dynamics study of inspiration and expiration. Orthod Craniofac Res 2018; 20:95-101. [PMID: 28414873 DOI: 10.1111/ocr.12145] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2017] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To examine the influence of negative pressure of the pharyngeal airway on mandibular retraction during inspiration in children with nasal obstruction using the computational fluid dynamics (CFD) method. SETTING AND SAMPLE POPULATION Sixty-two children were divided into Classes I, II (mandibular retrusion) and III (mandibular protrusion) malocclusion groups. MATERIAL AND METHODS Cone-beam computed tomography data were used to reconstruct three-dimensional shapes of the nasal and pharyngeal airways. Airflow pressure was simulated using CFD to calculate nasal resistance and pharyngeal airway pressure during inspiration and expiration. RESULTS Nasal resistance of the Class II group was significantly higher than that of the other two groups, and oropharyngeal airway inspiration pressure in the Class II (-247.64 Pa) group was larger than that in the Class I (-43.51 Pa) and Class III (-31.81 Pa) groups (P<.001). The oropharyngeal airway inspiration-expiration pressure difference in the Class II (-27.38 Pa) group was larger than that in the Class I (-5.17 Pa) and Class III (0.68 Pa) groups (P=.006). CONCLUSION Large negative inspiratory pharyngeal airway pressure due to nasal obstruction in children with Class II malocclusion may be related to their retrognathia.
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