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T. Hirota

Teruaki Tozaki, Fumio Sato, Mutsuki Ishimaru, Mio Kikuchi, Hironaga Kakoi, Kei-Ichi Hirota, Shun-Ichi Nagata
Ligand-dependent nuclear receptor compressor-like (LCORL) encodes a transcription factor, and its polymorphisms are associated with measures of skeletal frame size and adult height in several species. Recently, the single nucleotide polymorphism (SNP) BIEC2-808543 located upstream of LCORL was identified as a genetic diagnostic marker associated with withers height in Thoroughbreds. In this study, 322 Thoroughbreds-in-training were genotyped for BIEC2-808543 to evaluate the association between genotype and body composition traits, including body weight, withers height, the ratio of body weight to withers height, chest circumference, and cannon circumference...
2016: Journal of Equine Science
H Doi, S Matsumoto, S Odawara, T Shikata, M Tanooka, K Kitajima, Y Takada, M Fujiwara, T Tsujimura, N Kamikonya, S Hirota
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
M Tahara, H Tsuboi, S Segawa, H Asashima, M Iizuka-Koga, T Hirota, H Takahashi, Y Kondo, M Matsui, I Matsumoto, T Sumida
We showed recently that M3 muscarinic acetylcholine receptor (M3R)-reactive CD3(+) T cells play a pathogenic role in the development of murine autoimmune sialadenitis (MIS), which mimics Sjögren's syndrome (SS). The aim of this study was to determine the effectiveness and mechanism of action of retinoic acid-related orphan receptor-gamma t (RORγt) antagonist (A213) in MIS. Splenocytes from M3R knockout (M3R(-/-) ) mice immunized with murine M3R peptide mixture were inoculated into recombination-activating gene 1 knockout (Rag-1(-/-) ) mice (M3R(-/-) →Rag-1(-/-) ) with MIS...
September 19, 2016: Clinical and Experimental Immunology
K L Flannigan, V L Ngo, D Geem, A Harusato, S A Hirota, C A Parkos, N W Lukacs, A Nusrat, V Gaboriau-Routhiau, N Cerf-Bensussan, A T Gewirtz, T L Denning
Specific components of the intestinal microbiota are capable of influencing immune responses such that a mutualistic relationship is established. In mice, colonization with segmented filamentous bacteria (SFB) induces T-helper-17 (Th17) cell differentiation in the intestine, yet the effector functions of interleukin (IL)-17A in response to SFB remain incompletely understood. Here we report that colonization of mice with SFB-containing microbiota induced IL-17A- and CXCR2-dependent recruitment of neutrophils to the ileum...
September 14, 2016: Mucosal Immunology
Simon A Hirota, Aito Ueno, Sarah E Tulk, Helen M Becker, L Patrick Schenck, Mireille S Potentier, Yan Li, Subrata Ghosh, Daniel A Muruve, Justin A MacDonald, Paul L Beck
The pathogenesis of Crohn's disease (CD) involves defects in the innate immune system, impairing responses to microbes. Studies have revealed that mutations NLRP3 are associated with CD. We reported previously that Nlrp3-/- mice were more susceptible to colitis and exhibited reduced colonic IL-10 expression. In the current study, we sought to determine how the loss of NLRP3 might be altering the function of regulatory T cells, a major source of IL-10. Colitis was induced in wild-type (WT) and Nlrp3-/- mice by treatment with dextran sulphate sodium (DSS)...
2016: Mediators of Inflammation
Tomoya Hirota, Hiroto Tsuboi, Mana Iizuka-Koga, Hiroyuki Takahashi, Hiromitsu Asashima, Masahiro Yokosawa, Yuya Kondo, Masaru Ohta, Yuhya Wakasa, Isao Matsumoto, Fumio Takaiwa, Takayuki Sumida
OBJECTIVE: To investigate the effects of transgenic rice seeds expressing the altered peptide ligand (APL) of human glucose-6-phosphate-isomerase (hGPI325-339) in mice model of GPI induced arthritis (GIA). METHODS: We generated transgenic rice expressing T-cell epitope of hGPI325-339 and APL12 and contained in the seed endosperm. The transgenic rice seeds were orally administered prophylactically before the induction of GIA. The severity of arthritis and titers of serum anti-GPI antibodies were evaluated...
August 19, 2016: Modern Rheumatology
Ryuji Yamaguchi, Hiroshi Harada, Kiichi Hirota
We previously developed (2-deoxyglucose)-(ABT-263) combination therapy (2DG-ABT), which induces apoptosis by activating Bak in the mitochondria of highly glycolytic cells with varied genetic backgrounds. However, the rates of apoptosis induced by 2DG-ABT were lower in von Hippel-Lindau (VHL)-deficient cancer cells. The re-expression of VHL protein in these cells lowered IGF1R expression in a manner independent of oxygen concentration. Lowering IGF1R expression via small interfering RNA (siRNA) sensitized the cells to 2DG-ABT, suggesting that IGF1R interfered with the activation of apoptosis by the mitochondria...
July 26, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
D D Estelle Temgoua, T C Kofane
We derive the nonlinear Schrödinger (NLS) equation in chiral optical fiber with right- and left-hand nonlinear polarization. We use the similarity transformation to reduce the generalized chiral NLS equation to the higher-order integrable Hirota equation. We present the first- and second-order rational solutions of the chiral NLS equation with variable and constant coefficients, based on the modified Darboux transformation method. For some specific set of parameters, the features of chiral optical rogue waves are analyzed from analytical results, showing the influence of optical activity on waves...
June 2016: Physical Review. E
N Abe, T Murata, A Hirota
Three yellowish compounds with 1,1-diphenyl-2-picrylhydrazyl-radical scavenging activity were newly isolated from the fermentation broth of Trichoderma sp. USF-2690 strain that had been isolated from a soil sample: two were novel oxidized sorbicillin dimers designated as bisorbibutenolide (1) and bisorbicillinolide (2), and one was sorbicillin (3) itself. The structures of 1 and 2 were determined from spectroscopic evidence. In the DPPH-radical scavenging assay, α-tocopherol gave an ED50 value of 17.0 μM after standing for 30 min, while continuing observation showed that the ED50 values for bisorbibutenolide, bisorbicillinolide, and sorbicillin slowly reached 80...
1998: Bioscience, Biotechnology, and Biochemistry
N Abe, T Murata, A Hirota
In our screening program for antioxidants with DPPH radical scavenging activity, we isolated four yellowish compounds from the fermentation broth of Trichoderma sp. USF-2690 strain isolated from a soil sample: two were novel compounds designated bisorbicillinol (1) and demethyltrichodimerol (2), and two were known compounds bisvertinolone (3) and trichodimerol (4). The structures of 1 and 2 were elucidated by spectroscopic evidence and chemical modification. Two compounds seemed to be the oxidized dimers of sorbicillin...
1998: Bioscience, Biotechnology, and Biochemistry
Yuichi Maeda, Takashi Kurakawa, Eiji Umemoto, Daisuke Motooka, Yoshinaga Ito, Kazuyoshi Gotoh, Keiji Hirota, Masato Matsushita, Yoki Furuta, Masashi Narazaki, Noriko Sakaguchi, Hisako Kayama, Shota Nakamura, Tetsuya Iida, Yukihiko Saeki, Atsushi Kumanogoh, Shimon Sakaguchi, Kiyoshi Takeda
OBJECTIVE: The intestinal microbiota is involved in arthritis pathogenesis. Altered microbiota composition has been demonstrated in rheumatoid arthritis (RA) patients. However, it remains unclear how dysbiosis contributes to arthritis development. We investigated whether the altered composition of human intestinal microbiota in RA patients contributes to the development of arthritis. METHODS: We analyzed fecal microbiota of early RA patients and healthy controls by 16S rRNA-based deep sequencing...
June 22, 2016: Arthritis & Rheumatology
T Nagata, Y Ando, A Hirota
No abstract text is available yet for this article.
January 1992: Bioscience, Biotechnology, and Biochemistry
H Yoshioka, S Kazama, H Tanizawa, S Hirota, M Kamiya
Sulfated N-myristoyl chitosan (S-M-chitosan), which is strongly electrolytic and water soluble as well as partly hydrophobic due to long alkyl chains, was synthesized to be used as a liposome-surface modifier. The effects of the treatment with an aqueous S-M-chitosan solution on the stability of the liposome suspension prepared from hydrogenated egg yolk lecithin were examined on several points. A suspension of large liposomes prepared by the Bangham method was precipitated by standing for a day, but the precipitation was restrained when the sample was treated with S-M-chitosan solution...
January 1993: Bioscience, Biotechnology, and Biochemistry
H Suzuki, Y Makino, M Nagata, J Furuta, H Enomoto, T Hirota, M Tamari, E Noguchi
This study investigated rare variants associated with atopic dermatitis. We performed exome analyses on 37 patients who were diagnosed with atopic dermatitis by board-certified dermatologists and had total serum IgE levels greater than 1000 IU/ml. The exome analysis identified seven variants with <1% allele frequency in Asian (ASN) population of 1000 Genomes Project phase 1 data and >5% allele frequency in the atopic dermatitis exome samples. We then conducted a replication study using 469 atopic dermatitis patients with total serum IgE ≥1000 IU/ml and 935 Japanese controls to assess the presence of these 7 candidate variants...
October 2016: Allergy
Ji Li, Aito Ueno, Miriam Fort Gasia, Joanne Luider, Tie Wang, Christina Hirota, Humberto B Jijon, Mailin Deane, Michael Tom, Ronald Chan, Herman W Barkema, Paul L Beck, Gilaad G Kaplan, Remo Panaccione, Jiaming Qian, Marietta Iacucci, Xinyang Gui, Subrata Ghosh
BACKGROUND: Distinction between 2 forms of inflammatory bowel disease (IBD), ulcerative colitis (UC) and Crohn's disease (CD), can be challenging. Aberrant mucosal immunity suggests that CD is a T helper type 1 cell (Th1)-driven disease, whereas UC as Th2-driven response. However, whether this paradigm truly distinguishes CD from UC is controversial. We aimed to clarify the discriminating potential of lamina propria Th subsets in patients with IBD. METHODS: Biopsies from 79 patients with IBD and 20 healthy controls were collected for Th subsets analysis (Th1:interferon γ [IFN-γ], T-bet; Th2:interleukin 13 [IL-13], Gata3; Th17:IL-17, RORγt; Treg:FoxP3)...
August 2016: Inflammatory Bowel Diseases
Xuan Zhao, Tsuyoshi Hirota, Xuemei Han, Han Cho, Ling-Wa Chong, Katja Lamia, Sihao Liu, Annette R Atkins, Ester Banayo, Christopher Liddle, Ruth T Yu, John R Yates, Steve A Kay, Michael Downes, Ronald M Evans
Defects in circadian rhythm influence physiology and behavior with implications for the treatment of sleep disorders, metabolic disease, and cancer. Although core regulatory components of clock rhythmicity have been defined, insight into the mechanisms underpinning amplitude is limited. Here, we show that REV-ERBα, a core inhibitory component of clock transcription, is targeted for ubiquitination and subsequent degradation by the F-box protein FBXW7. By relieving REV-ERBα-dependent repression, FBXW7 provides an unrecognized mechanism for enhancing the amplitude of clock gene transcription...
June 16, 2016: Cell
Masaru Kuroda, Toshiro Shinke, Hiromasa Otake, Daisuke Sugiyama, Tomofumi Takaya, Hachidai Takahashi, Daisuke Terashita, Kenzo Uzu, Natsuko Tahara, Daiji Kashiwagi, Koji Kuroda, Yuto Shinkura, Yoshinori Nagasawa, Kazuhiko Sakaguchi, Yushi Hirota, Wataru Ogawa, Ken-Ichi Hirata
BACKGROUND: Several studies have revealed that glucose fluctuations provoke oxidative stress that leads to endothelial cell dysfunction, progression of coronary atherosclerosis, and plaque vulnerability. However, little is known regarding their effect on neointimal growth after stenting in patients with coronary artery disease (CAD). We aimed to investigate the effects of glucose fluctuations on neointimal growth after everolimus-eluting stent (EES) implantation. METHODS: This study examined 50 patients who underwent a 9-month follow-up using optical coherence tomography (OCT) after EES implantation...
2016: Cardiovascular Diabetology
K Abe, C Andreopoulos, M Antonova, S Aoki, A Ariga, S Assylbekov, D Autiero, M Barbi, G J Barker, G Barr, P Bartet-Friburg, M Batkiewicz, F Bay, V Berardi, S Berkman, S Bhadra, A Blondel, S Bolognesi, S Bordoni, S B Boyd, D Brailsford, A Bravar, C Bronner, M Buizza Avanzini, R G Calland, S Cao, J Caravaca Rodríguez, S L Cartwright, R Castillo, M G Catanesi, A Cervera, D Cherdack, N Chikuma, G Christodoulou, A Clifton, J Coleman, G Collazuol, L Cremonesi, A Dabrowska, G De Rosa, T Dealtry, P F Denner, S R Dennis, C Densham, D Dewhurst, F Di Lodovico, S Di Luise, S Dolan, O Drapier, K E Duffy, J Dumarchez, S Dytman, M Dziewiecki, S Emery-Schrenk, A Ereditato, T Feusels, A J Finch, G A Fiorentini, M Friend, Y Fujii, D Fukuda, Y Fukuda, A P Furmanski, V Galymov, A Garcia, S G Giffin, C Giganti, F Gizzarelli, M Gonin, N Grant, D R Hadley, L Haegel, M D Haigh, P Hamilton, D Hansen, T Hara, M Hartz, T Hasegawa, N C Hastings, T Hayashino, Y Hayato, R L Helmer, M Hierholzer, A Hillairet, A Himmel, T Hiraki, S Hirota, M Hogan, J Holeczek, S Horikawa, F Hosomi, K Huang, A K Ichikawa, K Ieki, M Ikeda, J Imber, J Insler, R A Intonti, T J Irvine, T Ishida, T Ishii, E Iwai, K Iwamoto, A Izmaylov, A Jacob, B Jamieson, M Jiang, S Johnson, J H Jo, P Jonsson, C K Jung, M Kabirnezhad, A C Kaboth, T Kajita, H Kakuno, J Kameda, D Karlen, I Karpikov, T Katori, E Kearns, M Khabibullin, A Khotjantsev, D Kielczewska, T Kikawa, H Kim, J Kim, S King, J Kisiel, A Knight, A Knox, T Kobayashi, L Koch, T Koga, A Konaka, K Kondo, A Kopylov, L L Kormos, A Korzenev, Y Koshio, W Kropp, Y Kudenko, R Kurjata, T Kutter, J Lagoda, I Lamont, E Larkin, M Laveder, M Lawe, M Lazos, T Lindner, Z J Liptak, R P Litchfield, X Li, A Longhin, J P Lopez, L Ludovici, X Lu, L Magaletti, K Mahn, M Malek, S Manly, A D Marino, J Marteau, J F Martin, P Martins, S Martynenko, T Maruyama, V Matveev, K Mavrokoridis, W Y Ma, E Mazzucato, M McCarthy, N McCauley, K S McFarland, C McGrew, A Mefodiev, M Mezzetto, P Mijakowski, A Minamino, O Mineev, S Mine, A Missert, M Miura, S Moriyama, Th A Mueller, S Murphy, J Myslik, T Nakadaira, M Nakahata, K G Nakamura, K Nakamura, K D Nakamura, S Nakayama, T Nakaya, K Nakayoshi, C Nantais, C Nielsen, M Nirkko, K Nishikawa, Y Nishimura, J Nowak, H M O'Keeffe, R Ohta, K Okumura, T Okusawa, W Oryszczak, S M Oser, T Ovsyannikova, R A Owen, Y Oyama, V Palladino, J L Palomino, V Paolone, N D Patel, M Pavin, D Payne, J D Perkin, Y Petrov, L Pickard, L Pickering, E S Pinzon Guerra, C Pistillo, B Popov, M Posiadala-Zezula, J-M Poutissou, R Poutissou, P Przewlocki, B Quilain, E Radicioni, P N Ratoff, M Ravonel, M A M Rayner, A Redij, E Reinherz-Aronis, C Riccio, P Rojas, E Rondio, S Roth, A Rubbia, A Rychter, R Sacco, K Sakashita, F Sánchez, F Sato, E Scantamburlo, K Scholberg, S Schoppmann, J Schwehr, M Scott, Y Seiya, T Sekiguchi, H Sekiya, D Sgalaberna, R Shah, A Shaikhiev, F Shaker, D Shaw, M Shiozawa, T Shirahige, S Short, M Smy, J T Sobczyk, M Sorel, L Southwell, P Stamoulis, J Steinmann, T Stewart, Y Suda, S Suvorov, A Suzuki, K Suzuki, S Y Suzuki, Y Suzuki, R Tacik, M Tada, S Takahashi, A Takeda, Y Takeuchi, H K Tanaka, H A Tanaka, D Terhorst, R Terri, T Thakore, L F Thompson, S Tobayama, W Toki, T Tomura, C Touramanis, T Tsukamoto, M Tzanov, Y Uchida, A Vacheret, M Vagins, Z Vallari, G Vasseur, T Wachala, K Wakamatsu, C W Walter, D Wark, W Warzycha, M O Wascko, A Weber, R Wendell, R J Wilkes, M J Wilking, C Wilkinson, J R Wilson, R J Wilson, Y Yamada, K Yamamoto, M Yamamoto, C Yanagisawa, T Yano, S Yen, N Yershov, M Yokoyama, J Yoo, K Yoshida, T Yuan, M Yu, A Zalewska, J Zalipska, L Zambelli, K Zaremba, M Ziembicki, E D Zimmerman, M Zito, J Żmuda
T2K reports its first measurements of the parameters governing the disappearance of ν[over ¯]_{μ} in an off-axis beam due to flavor change induced by neutrino oscillations. The quasimonochromatic ν[over ¯]_{μ} beam, produced with a peak energy of 0.6 GeV at J-PARC, is observed at the far detector Super-Kamiokande, 295 km away, where the ν[over ¯]_{μ} survival probability is expected to be minimal. Using a data set corresponding to 4.01×10^{20} protons on target, 34 fully contained μ-like events were observed...
May 6, 2016: Physical Review Letters
Takuo Emoto, Tomoya Yamashita, Toshio Kobayashi, Naoto Sasaki, Yushi Hirota, Tomohiro Hayashi, Anna So, Kazuyuki Kasahara, Keiko Yodoi, Takuya Matsumoto, Taiji Mizoguchi, Wataru Ogawa, Ken-Ichi Hirata
The association between atherosclerosis and gut microbiota has been attracting increased attention. We previously demonstrated a possible link between gut microbiota and coronary artery disease. Our aim of this study was to clarify the gut microbiota profiles in coronary artery disease patients using data mining analysis of terminal restriction fragment length polymorphism (T-RFLP). This study included 39 coronary artery disease (CAD) patients and 30 age- and sex- matched no-CAD controls (Ctrls) with coronary risk factors...
April 28, 2016: Heart and Vessels
Masakazu Hirota, Hiroyuki Kanda, Takao Endo, Tibor Karl Lohmann, Tomomitsu Miyoshi, Takeshi Morimoto, Takashi Fujikado
PURPOSE: To determine the relationship between re-reading the same line and saccadic disconjugacy in patients with convergence insufficiency-type intermittent exotropia [CI-type X(T)]. METHODS: Eight patients with CI-type X(T) and ten healthy orthophoric individuals were studied. Video-oculography was used to assess the eye movements during the reading of a Japanese novel displayed on a 23-in. liquid crystal monitor placed 60 cm from the eyes. The sentences were displayed horizontally and read from left to right...
July 2016: Japanese Journal of Ophthalmology
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