Hiroyuki ABE

Non-Abelian discrete flavor symmetries from magnetized/intersecting brane models (2009)

Abe, Hiroyuki, Choi, Kang-Sin, Kobayashi, Tatsuo, Ohki, Hiroshi

We study non-Abelian discrete flavor symmetries, which appear in magnetized brane models. For example, D4, Δ (27) and Δ (54) flavor symmetries can appear with matter fields in several...

Maximal slicing of D-dimensional spherically-symmetric vacuum spacetime (2009)

Nakao, Ken-ichi, Abe, Hiroyuki, Yoshino, Hirotaka, Shibata, Masaru

We study the foliation of a $D$-dimensional spherically symmetric black-hole spacetime with $D\ge 5$ by two kinds of one-parameter family of maximal hypersurfaces: a reflection-symmetric foliation...

Magnetic flux, Wilson line and orbifold (2009)

Abe, Hiroyuki, Choi, Kang-Sin, Kobayashi, Tatsuo, Ohki, Hiroshi

We study torus/orbifold models with magnetic flux and Wilson line background. The number of zero-modes and their profiles depend on those backgrounds. That has interesting implications from the...

Non-Abelian Discrete Flavor Symmetries from Magnetized/Intersecting Brane Models (2009)

Abe, Hiroyuki, Choi, Kang-Sin, Kobayashi, Tatsuo, Ohki, Hiroshi

We study non-abelian discrete flavor symmetries, which can appear in magnetized brane models. For example, $D_4$, $\Delta(27)$ and $\Delta(54)$ can appear and matter fields with several...

Higher Order Couplings in Magnetized Brane Models (2009)

Abe, Hiroyuki, Choi, Kang-Sin, Kobayashi, Tatsuo, Ohki, Hiroshi

We compute three-point and higher order couplings in magnetized brane models. We show that higher order couplings are written as products of three-point couplings. This behavior is the same as higher...

Three generation magnetized orbifold models (2008)

Abe, Hiroyuki, Choi, Kang-Sin, Kobayashi, Tatsuo, Ohki, Hiroshi

We study three generation models in the four-dimensional spacetime, which can be derived from the ten-dimensional N=1 super Yang-Mills theory on the orbifold background with a non-vanishing magnetic...

Mitochondria are More Numerous and Smaller in Pink-Eyed Dilution Melanoblasts and Melanocytes Than in Wild-Type Melanocytes in the Neonatal Mouse Epidermis (2008)

Tomohisa Hirobe, Kenji Ishizuka, Shigeru Ogawa, Hiroyuki Abe

The mouse pink-eyed dilution (p) locus is known to control the melanin content in melanocytes. However, it was not known whether the p gene is involved in regulating the proliferation and...

Duality cascade of softly broken supersymmetric theories (2008)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo, Ohta, Kazutoshi, Omura, Yuji, Terao, Haruhiko

We study the duality cascade of softly broken supersymmetric theories. We investigate the renormalization group (RG) flow of SUSY breaking terms as well as supersymmetric couplings. It is found that...

Sequestering in models of F-term uplifting (2008)

Abe, Hiroyuki

We discuss the nature of sequestering supersymmetry breaking sectors in a certain class of moduli stabilization in supergravity/string models, where a negative vacuum energy of the nonperturbative...

Flavor structure with multi moduli in 5D SUGRA (2008)

Abe, Hiroyuki, Sakamura, Yutaka

We investigate 5-dimensional supergravity on S^1/Z_2 with a physical Z_2-odd vector multiplet, which yields an additional modulus other than the radion. We find additional terms in the 4-dimensional...

Flavor structure with multi moduli in 5D supergravity (2008)

Abe, Hiroyuki, Sakamura, Yutaka

We study 5-dimensional supergravity on S^1/Z_2 with a physical Z_2-odd vector multiplet, which yields an additional modulus other than the radion. We derive 4-dimensional effective theory and find...

Magnetized orbifold models (2008)

Abe, Hiroyuki, Kobayashi, Tatsuo, Ohki, Hiroshi

We study (4+2n)-dimensional N=1 super Yang-Mills theory on the orbifold background with non-vanishing magnetic flux. In particular, we study zero-modes of spinor fields. The flavor structure of our...

Non-perturbative moduli superpotential with positive exponents (2008)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo, Seto, Osamu

Submitted on 21 Apr 2008 (v1), last revised 24 Apr 2008 (this version, v2).-- 13 pages, 4 figures.-- v2: reference added.

Non-perturbative moduli superpotential with positive exponents (2008)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo, Seto, Osamu

We study non-perturbative moduli superpotentials with positive exponents, i.e. the form like $Ae^{aT}$ with a positive constant $a$ and the modulus $T$. These effects can be generated, e.g., by...

Evaluating the Quality of Human Embryos with a Measurement of Oxygen Consumption by Scanning Electrochemical Microscopy (2008)

Takafumi Utsunomiya, Kaori Goto, Megumi Nasu, Yoko Kumasako, Yasuhisa Araki, Masaki Yokoo, ...

Morphological evaluation has been widely used to evaluate embryo quality because it is non-invasive and useful in predicting pregnancy rate. However, morphological evaluations are subjective and...

Evaluating the Quality of Human Embryos with a Measurement of Oxygen Consumption by Scanning Electrochemical Microscopy (2008)

Takafumi Utsunomiya, Kaori Goto, Megumi Nasu, Yoko Kumasako, Yasuhisa Araki, Masaki Yokoo, ...

Morphological evaluation has been widely used to evaluate embryo quality because it is non-invasive and useful in predicting pregnancy rate. However, morphological evaluations are subjective and...

Dynamically sequestered F-term uplifting in extra dimension (2008)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo, Omura, Yuji

We study concretely several issues altogether, moduli stabilization, the dynamical supersymmetry (SUSY) breaking, the uplifting of SUSY anti-de Sitter (AdS) vacuum and the sequestering of hidden...

Global Regulation by Horizontally Transferred Regulators Establishes the Pathogenicity of Escherichia coli (2008)

Abe, Hiroyuki, Miyahara, Akira, Oshima, Taku, Tashiro, Kosuke, Ogura, Yoshitoshi, Kuhara, Satoru, ...

Enterohemorrhagic Escherichia coli is an emerging pathogen that causes diarrhea and hemolytic uremic syndrome. Much of the genomic information that affects virulence is acquired by horizontal...

Metastable supersymmetry breaking vacua from conformal dynamics (2007)

Abe, Hiroyuki, Kobayashi, Tatsuo, Omura, Yuji

We study the scenario that conformal dynamics leads to metastable supersymmetry breaking vacua. At a high energy scale, the superpotential is not R-symmetric, and has a supersymmetric minimum....

腹部大動脈瘤術後両下肢阻血および腎不全をきたしたDeBakey IIIb型大動脈解離の1治験例 (2007)

増田, 政久, 岡田, 吉弘, 中川, 康次, 椎原, 秀茂, 鶴田, 好孝, 阿部, 弘幸, ...

腹部大動脈瘤術後,急性下肢阻血,腎不全で発症したIIIb型胸部大動脈解離の1治験例を報告する。症例は65歳男性で,腰背部痛と両下肢チアノーゼ,無尿を...

Off-shell dimensional reduction of 5D orbifold supergravity (2007)

Abe, Hiroyuki

We present a systematic way for deriving a four-dimensional (4D) effective action of the five-dimensional (5D) orbifold supergravity respecting the N=1 {\it off-shell} structure. As an illustrating...

A Non-invasive and Sensitive Method for Measuring Cellular Respiration with a Scanning Electrochemical Microscopy to Evaluate Embryo Quality (2007)

Hiroyuki Abe

Respiration is useful parameter for evaluating embryo quality as it provides important information about metabolic activity. In this paper, we describe a scanning electrochemical microscopy (SECM)...

A Non-invasive and Sensitive Method for Measuring Cellular Respiration with a Scanning Electrochemical Microscopy to Evaluate Embryo Quality (2007)

Hiroyuki Abe

Respiration is useful parameter for evaluating embryo quality as it provides important information about metabolic activity. In this paper, we describe a scanning electrochemical microscopy (SECM)...

Moduli stabilization in 5D gauged supergravity with universal hypermultiplet and boundary superpotentials (2007)

Abe, Hiroyuki, Sakamura, Yutaka

We study a four-dimensional effective theory of the five-dimensional (5D) gauged supergravity with a universal hypermultiplet and perturbative superpotential terms at the orbifold fixed points. Among...

R-symmetry, supersymmetry breaking and metastable vacua in global and local supersymmetric theories (2007)

Abe, Hiroyuki, Kobayashi, Tatsuo, Omura, Yuji

We study N=1 global and local supersymmetric theories with a continuous global $U(1)_R$ symmetry as models of dynamical supersymmetry (SUSY) breaking. We introduce explicit R-symmetry breaking terms...

More about F-term uplifting (2007)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo

We study moduli stabilization and a realization of de Sitter vacua in generalized F-term uplifting scenarios of the KKLT-type anti-de Sitter vacuum, where the uplifting sector X directly couples to...

TeV scale partial mirage unification and neutralino dark matter (2007)

Abe, Hiroyuki, Kim, Yeong Gyun, Kobayashi, Tatsuo, Shimizu, Yasuhiro

We study the TeV scale partial mirage unification scenario, where the gluino and wino masses are degenerate around a TeV scale, but the bino mass is not degenerate. This scenario has...

Relaxed fine-tuning in models with non-universal gaugino masses (2007)

Abe, Hiroyuki, Kobayashi, Tatsuo, Omura, Yuji

We study, in a bottom-up approach, the fine-tuning problem between soft SUSY breaking parameters and the $\mu$-term for the successful electroweak symmetry breaking in the minimal supersymmetric...

Supersymmetry breaking in a warped slice with Majorana-type masses (2007)

Abe, Hiroyuki, Sakamura, Yutaka

We study the five-dimensional (5D) supergravity compactified on an orbifold S^1/Z_2, where the U(1)_R symmetry is gauged by the graviphoton with Z_2-even coupling. In contrast to the case of gauging...

Moduli stabilization, F-term uplifting and soft supersymmetry breaking terms (2006)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo, Omura, Yuji

We study moduli stabilization with F-term uplifting. As a source of uplifting F-term, we consider spontaneous supersymmetry breaking models, e.g. the Polonyi model and the Intriligator-Seiberg-Shih...

Patterns of supersymmetry breaking in moduli-mixing racetrack model (2006)

Abe, Hiroyuki

We show some structures of moduli stabilization and supersymmetry breaking caused by gaugino condensations with the gauge couplings depending on two moduli which often appear in the four-dimensional...

Scherk-Schwarz twist in 5D conformal SUGRA (2006)

Abe, Hiroyuki, Sakamura, Yutaka

We reinterpret the Scherk-Schwarz (SS) boundary condition for SU(2)_R in a compactified five-dimensional (5D) Poincare supergravity in terms of the twisted SU(2)_U gauge fixing in 5D conformal...

Roles of Z_2-odd N=1 multiplets in off-shell dimensional reduction of 5D supergravity (2006)

Abe, Hiroyuki, Sakamura, Yutaka

We discuss the dimensional reduction of five-dimensional supergravity compactified on S^1/Z_2 keeping the N=1 off-shell structure. Especially we clarify the roles of the Z_2-odd N=1 multiplets in...

乱流中の変動圧力の計測について (2006)

辻, 義之, TSUJI, Yoshiyuki, 今飯田, 純, IMAIIDA, Jun, 阿部, 浩幸, ABE, Hiroyuki

Static pressure fluctuation is an important ingredient in turbulence, however the variation of the pressure fluctuations inside turbulence has not been studied so far. One reason for this is the...

Remark on integrating out heavy moduli in flux compactification (2006)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo

We study two steps of moduli stabilization in type IIB flux compactification with gaugino condensations. We consider the condition that one can integrate out heavy moduli first with light moduli...

An extensive repertoire of type III secretion effectors in Escherichia coli O157 and the role of lambdoid phages in their dissemination (2006)

Tobe, Toru, Beatson, Scott A., Taniguchi, Hisaaki, Abe, Hiroyuki, Bailey, Christopher M., Fivian, Amanda, ...

Several pathogenic strains of Escherichia coli exploit type III secretion to inject effector proteins into human cells, which then subvert eukaryotic cell biology to the bacterium's advantage. We...

An extensive repertoire of type III secretion effectors in Escherichia coli O157 and the role of lambdoid phages in their dissemination (2006)

Tobe, Toru, Beatson, Scott A., Taniguchi, Hisaaki, Abe, Hiroyuki, Bailey, Christopher M., Fivian, Amanda, ...

Several pathogenic strains of Escherichia coli exploit type III secretion to inject effector proteins into human cells, which then subvert eukaryotic cell biology to the bacterium's advantage. We...

Peptide-induced immune protection of CD8+ T cell-deficient mice against Friend retrovirus-induced disease (2006)

Kawabata, Hiroyuki, Niwa, Atsuko, Tsuji-Kawahara, Sachiyo, Uenishi, Hirohide, Iwanami, Norimasa, Matsukuma, Hideaki, ...

CD8+ CTLs and virus-neutralizing antibodies have been associated with spontaneous and vaccine-induced immune control of retroviral infections. We previously showed that a single immunization...

Scherk-Schwarz SUSY breaking from the viewpoint of 5D conformal supergravity (2005)

Abe, Hiroyuki, Sakamura, Yutaka

We reinterpret the Scherk-Schwarz (SS) boundary condition for SU(2)_R in a compactified five-dimensional (5D) Poincare supergravity in terms of the twisted SU(2)_U gauge fixing in 5D conformal...

Moduli-mixing racetrack model (2005)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo

We study supersymmetric models with double gaugino condensations in the hidden sector, where the gauge couplings depend on two light moduli of superstring theory. We perform a detailed analysis of...

Consistent dimensional reduction of five-dimensional off-shell supergravity (2005)

Abe, Hiroyuki, Sakamura, Yutaka

There are some points to notice in the dimensional reduction of the off-shell supergravity. We discuss a consistent way of the dimensional reduction of five-dimensional off-shell supergravity...

KKLT type models with moduli-mixing superpotential (2005)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo

We study KKLT type models with moduli-mixing superpotential. In several string models, gauge kinetic functions are written as linear combinations of two or more moduli fields. Their gluino...

Effective N=1 description of 5D conformal supergravity (2005)

Abe, Hiroyuki, Sakamura, Yutaka

We construct an effective N=1 superfield description of five-dimensional conformal supergravity. By the use of this description, we reinterpret some physical systems such as Scherk-Schwarz...

Gauged $U(1)_R$ supergravity on orbifold (2005)

Abe, Hiroyuki

We discuss a gauged $U(1)_R$ supergravity on five-dimensional orbifold ($S^1/Z_2$) in which a $Z_2$-even U(1) gauge field takes part in the $U(1)_R$ gauging, and show the structure of...

Dynamical Radion Superfield in Five-dimensional Action (2005)

Abe, Hiroyuki, Sakamura, Yutaka

We clarify the radion superfield dependence of 5D N=1 superspace action. The radion is treated as a dynamical field and appears in the action with the correct mode function. Our derivation is...

Dynamical radion superfield in 5D action (2005)

Abe, Hiroyuki, Sakamura, Yutaka

We derive 5D N=1 superspace action including the radion superfield. The radion is treated as a dynamical field and identified as a solution of the equation of motion even in the presence of the...

Peptide-induced immune protection of CD8+ T cell-deficient mice against Friend retrovirus-induced disease (2005)

Kawabata, Hiroyuki, Niwa, Atsuko, Tsuji-Kawahara, Sachiyo, Uenishi, Hirohide, Iwanami, Norimasa, Matsukuma, Hideaki, ...

CD8+ CTLs and virus-neutralizing antibodies have been associated with spontaneous and vaccine-induced immune control of retroviral infections. We previously showed that a single immunization with an...

Gauged $U(1)_R$ Symmetries and Fayet-Iliopoulos Terms in 5D Orbifold Supergravity (2004)

Abe, Hiroyuki, Choi, Kiwoon

We discuss a gauged $U(1)_R$ supergravity on five-dimensional (5D) orbifold ($S^1/Z_2$) in which both a $Z_2$-even U(1) gauge field and the $Z_2$-odd graviphoton take part in the $U(1)_R$ gauging....

Flavor Structure of Scherk-Schwarz Supersymmetry Breaking and Constraints from Low Energy Processes (2004)

Abe, Hiroyuki, Choi, Kiwoon, Jeong, Kwang-Sik, Okumura, Ken-ichi

5D orbifold has two attractive features: quasi-localized matter fields can naturally reproduce hierarchical Yukawa coupling, while supersymmetry breaking is inherently built in by the Scherk-Schwarz...

Fayet-Iliopoulos terms in five-dimensional orbifold supergravity (2004)

Abe, Hiroyuki

We derive an off-shell formulation for the boundary Fayet-Iliopoulos (FI) terms in locally supersymmetric U(1) gauge theory on 5D $S^1/Z_2$ orbifold. Some physical consequences of such FI terms,...

Superfield description of 5D supergravity on general warped geometry (2004)

Abe, Hiroyuki, Sakamura, Yutaka

We provide a systematic and practical method of deriving 5D supergravity action described by 4D superfields on a general warped geometry, including a non-BPS background. Our method is based on the...

Scherk-Schwarz Supersymmetry Breaking for Quasi-localized Matter Fields and Supersymmetry Flavor Violation (2004)

Abe, Hiroyuki, Choi, Kiwoon, Jeong, Kwang-Sik, Okumura, Ken-ichi

We examine the soft supersymmetry breaking parameters induced by the Scherk-Schwarz (SS) boundary condition in 5-dimensional orbifold field theory in which the quark and lepton zero modes are...

Fayet-Iliopoulos Terms in 5D Orbifold Supergravity (2004)

Abe, Hiroyuki, Choi, Kiwoon, Kim, Ian-Woo

We discuss a locally supersymmetric formulation for the boundary Fayet-Iliopoulos (FI) terms in 5-dimensional U(1) gauge theory on $S^1/Z_2$, using the four-form multiplier mechanism to introduce the...

Dynamical symmetry breaking on a brane with bulk gauge theory (2003)

Abe, Hiroyuki

We analyze a structure of dynamical chiral symmetry breaking in orbifold gauge theories with matter fields (fermions) on the fixed point. We find that the boundary chiral phase structure of QED and...

Spontaneous and dynamical symmetry breaking in higher-dimensional space-time with boundary terms (2003)

Abe, Hiroyuki

In this thesis we study physics beyond the standard model focusing on the quantum field theory in higher-dimensional space-time with some boundary terms. The boundary term causes nontrivial...

Wave-function profile and SUSY breaking in 5D model with Fayet-Iliopoulos terms (2002)

Abe, Hiroyuki, Higaki, Tetsutaro, Kobayashi, Tatsuo

We systematically study VEVs of a gauge scalar field $\Sigma$ in a bulk U(1) vector multiplet and scalar fields in brane/bulk hypermultiplets charged under U(1) in the 5D $S^1/Z_2$ orbifold model...

Schwinger-Dyson Analysis of Dynamical Symmetry Breaking on a Brane with Bulk Yang-Mills Theory (2002)

Abe, Hiroyuki, Inagaki, Tomohiro

The dynamically generated fermion mass is investigated in the flat brane world with (4+delta)-dimensional bulk space-time, and in the Randall-Sundrum (RS) brane world. We consider the bulk Yang-Mills...

Field localization in warped gauge theories (2002)

Abe, Hiroyuki, Kobayashi, Tatsuo, Maru, Nobuhito, Yoshioka, Koichi

We present four-dimensional gauge theories that describe physics on five-dimensional curved (warped) backgrounds, which includes bulk fields with various spins (vectors, spinors, and scalars). Field...

Chiral phase transition of bulk Abelian gauge theories in the Randall-Sundrum brane world (2001)

Abe, Hiroyuki, Fukazawa, Kenji, Inagaki, Tomohiro

The chiral phase transition of strong-coupling Abelian gauge theories is investigated in the brane world. It is assumed that gauge boson propagates in an extra dimension, i.e. bulk gauge theories....

Dynamical Fermion Masses Under the Influence of Kaluza-Klein Fermions in Randall-Sundrum Background (2001)

Abe, Hiroyuki, Inagaki, Tomohiro, Muta, Taizo

The dynamical fermion mass generation on the D3-brane in the Randall-Sundrum space-time is discussed in a model with bulk fermions in interaction with fermions on the branes. It is found that the...

Dynamical fermion masses under the influence of Kaluza-Klein fermions in extra dimensions (2000)

Abe, Hiroyuki, Miguchi, Hironori, Muta, Taizo

The dynamical fermion mass generation in the 4-dimensional brane is discussed in a model with 5-dimensional Kaluza-Klein fermions in interaction with 4-dimensional fermions. It is found that the...

Effect of Humidity on Small-Crack Growth in Silica Optical Fibers. (1998)

Muraoka, Mikio, Ebata, Kiyoshi, Abe, Hiroyuki

Subcritical small-crack growth in silica optical fibers was measured directly in air at 25 C for several humidity conditions from 30% to 90% relative humidity. The crack velocity data were shown to...

Temperature Dependence of the Volume-Plasmon Energy in Aluminum (1992)

Abe, Hiroyuki, Terauchi, Masami, Kuzuo, Ryuichi, Tanaka, Michiyoshi

The volume-plasmon energy in aluminum was measured over a wide temperature range between −175 and 500°C with high energy-resolutions of 0.10–0.27 eV by applying a newly developed high-resolution...

Substrate regulation of the nucleotide pool during regional ischaemia and reperfusion in an isolated rat heart preparation: a phosphorus-31 magnetic resonance spectroscopy analysis (1988)

CAMACHO, S ALBERT, PARMLEY, WILLIAM W, JAMES, THOMAS L, ABE, HIROYUKI, WU, SHAO T, BOTVINICK, ELIAS H, ...

Isolated rat heart preparations were studied to characterise the alterations in high energy phosphates that occur during reversible regional ischaemia and to determine whether pyruvate, as the sole...

toxB Gene on pO157 of Enterohemorrhagic Escherichia coli O157:H7 Is Required for Full Epithelial Cell Adherence Phenotype

Tatsuno, Ichiro, Horie, Masanori, Abe, Hiroyuki, Miki, Takeyoshi, Makino, Kozo, Shinagawa, Hideo, ...

Adherence of enterohemorrhagic Escherichia coli (EHEC) to the intestinal epithelium is critical for initiation of a bacterial infection. An in vitro infection study previously indicated that EHEC...

Isolation and Characterization of Mini-Tn5Km2 Insertion Mutants of Enterohemorrhagic Escherichia coli O157:H7 Deficient in Adherence to Caco-2 Cells

Tatsuno, Ichiro, Kimura, Hiroshi, Okutani, Akiko, Kanamaru, Kyoko, Abe, Hiroyuki, Nagai, Shinya, ...

Adherence of enterohemorrhagic Escherichia coli (EHEC) to intestinal epithelium is essential for initiation of the infection. To identify genes involved in adherence, an EHEC O157:H7 strain...

Establishment of Monoclonal Anti-Retroviral gp70 Autoantibodies from MRL/lpr Lupus Mice and Induction of Glomerular gp70 Deposition and Pathology by Transfer into Non-Autoimmune Mice

Tabata, Nobutada, Miyazawa, Masaaki, Fujisawa, Ryuichi, Takei, Yumiko A., Abe, Hiroyuki, Hashimoto, Keiji

Several strains of mice, including MRL/MpJ mice homozygous for the Fas mutant lpr gene (MRL/lpr mice), F1 hybrids of New Zealand Black and New Zealand White mice, and BXSB/MpJ mice carrying a...

Bicarbonate Ion Stimulates the Expression of Locus of Enterocyte Effacement-Encoded Genes in Enterohemorrhagic Escherichia coli O157:H7

Abe, Hiroyuki, Tatsuno, Ichiro, Tobe, Toru, Okutani, Akiko, Sasakawa, Chihiro

Enterohemorrhagic Escherichia coli (EHEC) strains adhere to the intestinal mucosa and produce an attaching and effacing (A/E) lesion. Most of the genes required to produce A/E lesions are thought to...

Ultrastructural features of goat oviductal secretory cells at follicular and luteal phases of the oestrous cycle

ABE, HIROYUKI, ONODERA, MASAKAZU, SUGAWARA, SHICHIRO, SATOH, TAKESHI, HOSHI, HIROYOSHI

The aim of the present study was to investigate the ultrastructure of secretory cells in the various regions of the goat oviduct during the follicular and luteal phases of the oestrous cycle. During...

toxB Gene on pO157 of Enterohemorrhagic Escherichia coli O157:H7 Is Required for Full Epithelial Cell Adherence Phenotype

Tatsuno, Ichiro, Horie, Masanori, Abe, Hiroyuki, Miki, Takeyoshi, Makino, Kozo, Shinagawa, Hideo, ...

Adherence of enterohemorrhagic Escherichia coli (EHEC) to the intestinal epithelium is critical for initiation of a bacterial infection. An in vitro infection study previously indicated that EHEC...

Isolation and Characterization of Mini-Tn5Km2 Insertion Mutants of Enterohemorrhagic Escherichia coli O157:H7 Deficient in Adherence to Caco-2 Cells

Tatsuno, Ichiro, Kimura, Hiroshi, Okutani, Akiko, Kanamaru, Kyoko, Abe, Hiroyuki, Nagai, Shinya, ...

Adherence of enterohemorrhagic Escherichia coli (EHEC) to intestinal epithelium is essential for initiation of the infection. To identify genes involved in adherence, an EHEC O157:H7 strain...

Establishment of Monoclonal Anti-Retroviral gp70 Autoantibodies from MRL/lpr Lupus Mice and Induction of Glomerular gp70 Deposition and Pathology by Transfer into Non-Autoimmune Mice

Tabata, Nobutada, Miyazawa, Masaaki, Fujisawa, Ryuichi, Takei, Yumiko A., Abe, Hiroyuki, Hashimoto, Keiji

Several strains of mice, including MRL/MpJ mice homozygous for the Fas mutant lpr gene (MRL/lpr mice), F1 hybrids of New Zealand Black and New Zealand White mice, and BXSB/MpJ mice carrying a...

Bicarbonate Ion Stimulates the Expression of Locus of Enterocyte Effacement-Encoded Genes in Enterohemorrhagic Escherichia coli O157:H7

Abe, Hiroyuki, Tatsuno, Ichiro, Tobe, Toru, Okutani, Akiko, Sasakawa, Chihiro

Enterohemorrhagic Escherichia coli (EHEC) strains adhere to the intestinal mucosa and produce an attaching and effacing (A/E) lesion. Most of the genes required to produce A/E lesions are thought to...

Ultrastructural features of goat oviductal secretory cells at follicular and luteal phases of the oestrous cycle

ABE, HIROYUKI, ONODERA, MASAKAZU, SUGAWARA, SHICHIRO, SATOH, TAKESHI, HOSHI, HIROYOSHI

The aim of the present study was to investigate the ultrastructure of secretory cells in the various regions of the goat oviduct during the follicular and luteal phases of the oestrous cycle. During...

An extensive repertoire of type III secretion effectors in Escherichia coli O157 and the role of lambdoid phages in their dissemination

Tobe, Toru, Beatson, Scott A., Taniguchi, Hisaaki, Abe, Hiroyuki, Bailey, Christopher M., Fivian, Amanda, ...

Several pathogenic strains of Escherichia coli exploit type III secretion to inject “effector proteins” into human cells, which then subvert eukaryotic cell biology to the bacterium's advantage....

TccP2 of O157:H7 and Non-O157 Enterohemorrhagic Escherichia coli (EHEC): Challenging the Dogma of EHEC-Induced Actin Polymerization▿

Ogura, Yoshitoshi, Ooka, Tadasuke, Whale, Andrew, Garmendia, Junkal, Beutin, Lothar, Tennant, Sharon, ...

Enterohemorrhagic Escherichia coli (EHEC) O157:H7 and enteropathogenic E. coli (EPEC) trigger actin polymerization at the site of bacterial adhesion by inducing different signaling pathways. Actin...

Systematic Identification and Sequence Analysis of the Genomic Islands of the Enteropathogenic Escherichia coli Strain B171-8 by the Combined Use of Whole-Genome PCR Scanning and Fosmid Mapping▿ †

Ogura, Yoshitoshi, Abe, Hiroyuki, Katsura, Keisuke, Kurokawa, Ken, Asadulghani, Md, Iguchi, Atsushi, ...

Enteropathogenic Escherichia coli (EPEC) and enterohemorrhagic E. coli (EHEC) are diarrheagenic pathogens that colonize the intestinal tract through the formation of attaching and effacing lesions,...

Global Regulation by Horizontally Transferred Regulators Establishes the Pathogenicity of Escherichia coli

Abe, Hiroyuki, Miyahara, Akira, Oshima, Taku, Tashiro, Kosuke, Ogura, Yoshitoshi, Kuhara, Satoru, ...

Enterohemorrhagic Escherichia coli is an emerging pathogen that causes diarrhea and hemolytic uremic syndrome. Much of the genomic information that affects virulence is acquired by horizontal...

DCEMRI of breast lesions: Is kinetic analysis equally effective for both mass and nonmass-like enhancement?

Jansen, Sanaz A., Fan, Xiaobing, Karczmar, Gregory S., Abe, Hiroyuki, Schmidt, Robert A., Giger, Maryellen, ...

To perform a pilot study investigating whether the sensitivity and specificity of kinetic parameters can be improved by considering mass and nonmass breast lesions separately. The contrast media...