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https://www.readbyqxmd.com/read/28191821/crucial-role-of-mesangial-cell-derived-connective-tissue-growth-factor-in-a-mouse-model-of-anti-glomerular-basement-membrane-glomerulonephritis
#1
Naohiro Toda, Kiyoshi Mori, Masato Kasahara, Akira Ishii, Kenichi Koga, Shoko Ohno, Keita P Mori, Yukiko Kato, Keisuke Osaki, Takashige Kuwabara, Katsutoshi Kojima, Daisuke Taura, Masakatsu Sone, Taiji Matsusaka, Kazuwa Nakao, Masashi Mukoyama, Motoko Yanagita, Hideki Yokoi
Connective tissue growth factor (CTGF) coordinates the signaling of growth factors and promotes fibrosis. Neonatal death of systemic CTGF knockout (KO) mice has hampered analysis of CTGF in adult renal diseases. We established 3 types of CTGF conditional KO (cKO) mice to investigate a role and source of CTGF in anti-glomerular basement membrane (GBM) glomerulonephritis. Tamoxifen-inducible systemic CTGF (Rosa-CTGF) cKO mice exhibited reduced proteinuria with ameliorated crescent formation and mesangial expansion in anti-GBM nephritis after induction...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28185384/heterochiral-jun-and-fos-bzip-peptides-form-a-coiled-coil-heterodimer-that-is-competent-for-dna-binding
#2
Rui Kamada, Natsumi Nakagawa, Taiji Oyama, Kazuyasu Sakaguchi
Coiled coils, consisting of at least two α-helices, have important roles in the regulation of transcription, cell differentiation, and cell growth. Peptides composed of d-amino acids (d-peptides) have received great attention for their potential in biomedical applications, because they give large diversity for the design of peptidyl drug and are more resistant to proteolytic digestion than l-peptides. However, the interactions between l-peptides/l-protein and d-peptides in the formation of complex are poorly understood...
February 10, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28184178/effect-of-rage-gene-polymorphisms-and-circulating-srage-levels-on-susceptibility-to-gastric-cancer-a-case-control-study
#3
Taijie Li, Weijuan Qin, Yanqiong Liu, Shan Li, Xue Qin, Zhiming Liu
BACKGROUND: To investigate the influence of polymorphisms in the receptor for advanced glycation end products (RAGE) gene and circulating soluble RAGE (sRAGE) levels on susceptibility to gastric cancer, and identify whether these polymorphisms were correlated with serum sRAGE levels. METHODS: We performed a hospital-based case-control study involving 200 gastric cancer patients and 207 cancer-free controls. Four well-characterized RAGE genetic polymorphisms, namely, rs1800624, rs1800625, rs184003, and rs2070600 were genotyped by PCR-RFLP...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28181012/oral-administration-of-the-lactic-acid-bacterium-pediococcus-acidilactici-attenuates-atherosclerosis-in-mice-by-inducing-tolerogenic-dendritic-cells
#4
Taiji Mizoguchi, Kazuyuki Kasahara, Tomoya Yamashita, Naoto Sasaki, Keiko Yodoi, Takuya Matsumoto, Takuo Emoto, Tomohiro Hayashi, Naoki Kitano, Naofumi Yoshida, Hilman Zulkifli Amin, Ken-Ichi Hirata
The intestinal microbiota appears to play an important role in the development of atherosclerosis. We investigated the effect of the probiotic lactic acid bacterium Pediococcus acidilactici R037 on atherosclerosis using apolipoprotein E-deficient (ApoE (-/-)) mice. Six-week-old ApoE (-/-) mice were orally administered R037 six times a week. Mice treated with R037 for 12 weeks exhibited markedly attenuated atherosclerotic lesions in the aortic root (2.3 ± 0.15 × 10(5) µm(2) vs. 3.3 ± 0.29 × 10(5) µm(2), respectively; P < 0...
February 8, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28167012/comparison-of-diagnostic-reliability-of-out-of-center-sleep-tests-for-obstructive-sleep-apnea-between-adults-and-children
#5
Masaaki Suzuki, Taiji Furukawa, Akira Sugimoto, Ryosuke Kotani, Rika Hosogaya
OBJECTIVES: Sleep studies for diagnosing obstructive sleep apnea (OSA) in children are laborious, expensive, inconvenient, and often not readily available. Out-of-center sleep test (OCST) devices have been studied for diagnosing OSA in adults, but few OCST studies have been done in children. The purpose of this study was to clarify the diagnostic reliability of OCST devices for children. METHODS: OCSTs using pulse oximetry and in-laboratory polysomnography (PSG) were performed separately in 686 adults and 119 children...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28159675/transforming-growth-factor-%C3%AE-and-interleukin-13-producing-mast-cells-are-associated-with-fibrosis-in-bone-marrow
#6
Shoko Nakayama, Taiji Yokote, Nobuya Hiraoka, Toshikazu Akioka, Uta Nishiwaki, Takuji Miyoshi, Kazuki Iwaki, Ayami Fumimoto, Yuki Masuda, Jun Hatooka, Mayumi Fujimoto, Yasuichiro Nishimura, Motomu Tsuji
Although bone marrow fibrosis is a lethal condition, its underlying mechanism is not fully understood. This study aimed to investigate the pathogenesis of fibrosis in the bone marrow through histological examination of mast cell infiltration and the expression of fibrosis-associated cytokines. We analyzed 22 bone marrows with fibrosis [eight primary myelofibrosis (PMF), five post-essential thrombocythemia (ET) myelofibrosis (MF), and nine myelodysplastic syndrome (MDS) with bone marrow fibrosis (BMF)]. Immunohistochemical and immunofluorescence staining were performed using anti-mast cell tryptase, interleukin (IL)-13, transforming growth factor-beta (TGF-β), CD34, and CD42b antibodies...
January 31, 2017: Human Pathology
https://www.readbyqxmd.com/read/28154192/streptococcus-pyogenes-endopeptidase-o-contributes-to-evasion-from-complement-mediated-bacteriolysis-via-binding-to-human-complement-factor-c1q
#7
Mariko Honda-Ogawa, Tomoko Sumitomo, Yasushi Mori, Dalia Talat Hamd, Taiji Ogawa, Masaya Yamaguchi, Masanobu Nakata, Shigetada Kawabata
Streptococcus pyogenes secrets various virulence factors for evasion from complement-mediated bacteriolysis. However, full understanding of the molecules possessed by this organism that interact with complement C1q, an initiator of the classical complement pathway, remains elusive. In this study, we identified an endopeptidase of S. pyogenes, PepO, as an interacting molecule, and investigated its effects on complement immunity and pathogenesis. Enzyme-linked immunosorbent assay and surface plasmon resonance analysis findings revealed that S...
January 30, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28150829/one-step-micromolding-of-complex-3d-microchambers-for-single-cell-analysis
#8
Hiroaki Suzuki, Kenta Mitsuno, Katsuyuki Shiroguchi, Mamiko Tsugane, Taiji Okano, Tetsuji Dohi, Tomoaki Tsuji
Herein we examined the extent of replicability of the PDMS microchamber device transferred from the master mold with complex 3D structures fabricated via micro stereolithography. Due to the elastomeric properties of PDMS, the reversely tapered micromold, with the diameter ratio of ∼5 from the largest to the narrowest part, was precisely transferred without breaking. We obtained the mathematical model to estimate the stress exerted on the mold during the demolding process. Finally, we tested the applicability of this unusual microchamber for single-cell trapping and an enzyme assay...
February 2, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28149639/flap-choice-for-closure-of-open-window-thoracotomy-a-response-to-the-author-of-the-article-entitled-the-omentum-flap-for-empyema-treatment-indications-and-disadvantages
#9
Shuichi Shinohara, Yasuhiro Chikaishi, Taiji Kuwata, Masaru Takenaka, Soichi Oka, Ayako Hirai, Naoko Imanishi, Koji Kuroda, Fumihiro Tanaka
No abstract text is available yet for this article.
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28131835/nano-mechanical-characterization-of-tension-sensitive-helix-bundles-in-talin-rod
#10
Koichiro Maki, Nobuhiko Nakao, Taiji Adachi
Tension-induced exposure of a cryptic signaling binding site is one of the most fundamental mechanisms in molecular mechanotransduction. Helix bundles in rod domains of talin, a tension-sensing protein at focal adhesions, unfurl under tension to expose cryptic vinculin binding sites. Although the difference in their mechanical stabilities would determine which helix bundle is tension-sensitive, their respective mechanical behaviors under tension have not been characterized. In this study, we evaluated the mechanical behaviors of residues 486-654 and 754-889 of talin, which form helix bundles with low and high tension-sensitivity, by employing AFM nano-tensile testing...
January 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28130274/commensal-bacteria-at-the-crossroad-between-cholesterol-homeostasis-and-chronic-inflammation-in-atherosclerosis
#11
Kazuyuki Kasahara, Takeshi Tanoue, Tomoya Yamashita, Keiko Yodoi, Takuya Matsumoto, Takuo Emoto, Taiji Mizoguchi, Tomohiro Hayashi, Naoki Kitano, Naoto Sasaki, Koji Atarashi, Kenya Honda, Ken-Ichi Hirata
The gut microbiota were shown to play critical roles in the development of atherosclerosis, but the detailed mechanism is limited. The purpose of this study is to clarify the influence of gut microbiota on atherogenesis via lipid metabolism and systemic inflammation. Germ-free (GF) or conventionally raised (Conv) Apolipoprotein E deficient (ApoE(-/-)) mice were fed chow diet and sacrificed at twenty weeks of age. We found lack of gut microbiota in ApoE(-/-) mice caused a significant increase in the plasma and hepatic cholesterol levels compared to ConvR ApoE(-/-) mice...
January 27, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28129688/all-atom-molecular-dynamics-simulations-of-entire-virus-capsid-reveal-the-role-of-ion-distribution-in-capsid-s-stability
#12
Elvira Tarasova, Vladimir Farafonov, Reza Khayat, Noriaki Okimoto, Teruhisa S Komatsu, Makoto Taiji, Dmitry Nerukh
Present experimental methods do not have sufficient resolution to investigate all processes in virus particles at atomistic details. We report the results of molecular dynamics simulations and analyze the connection between the number of ions inside an empty capsid of PCV2 virus and its stability. We compare the crystallographic structures of the capsids with unresolved N-termini and without them in realistic conditions (room temperature and aqueous solution) and show that the structure is preserved. We find that the chloride ions play a key role in the stability of the capsid...
February 1, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28123524/therapeutic-response-to-a-novel-enzyme-targeting-radiosensitization-treatment-kortuc-ii-for-residual-lesions-in-patients-with-stage-iv-primary-breast-cancer-following-induction-chemotherapy-with-epirubicin-and-cyclophosphamide-or-taxane
#13
Nobutaka Aoyama, Yasuhiro Ogawa, Miki Yasuoka, Hitomi Iwasa, Kana Miyatake, Rika Yoshimatsu, Tomoaki Yamanishi, Norihiko Hamada, Taiji Tamura, Kana Kobayashi, Yoriko Murata, Takuji Yamagami, Mitsuhiko Miyamura
Linac-based radiotherapy has a negligible effect on the majority of advanced neoplasms. Therefore, a novel radiosensitization treatment Kochi Oxydol Radiation Therapy for Unresectable Carcinomas II (KORTUC II), which utilizes hydrogen peroxide and sodium hyaluronate was developed. The effectiveness of KORTUC II for the treatment of chemotherapy-resistant supraclavicular lymph node metastases and recurrent breast cancers has previously been demonstrated. The present study evaluated the safety and efficacy of KORTUC II in patients with stage IV primary breast cancer...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28106918/divergent-cytosine-dna-methylation-patterns-in-single-cell-soybean-root-hairs
#14
Md Shakhawat Hossain, Taiji Kawakatsu, Kyung Do Kim, Zhang Ning, Cuong T Nguyen, Saad M Khan, Josef M Batek, Trupti Joshi, Jeremy Schmutz, Jane Grimwood, Robert J Schmitz, Dong Xu, Scott A Jackson, Joseph R Ecker, Gary Stacey
Chromatin modifications, such as cytosine methylation of DNA, play a significant role in mediating gene expression in plants, which affects growth, development, and cell differentiation. As root hairs are single-cell extensions of the root epidermis and the primary organs for water uptake and nutrients, we sought to use root hairs as a single-cell model system to measure the impact of environmental stress. We measured changes in cytosine DNA methylation in single-cell root hairs as compared with multicellular stripped roots, as well as in response to heat stress...
January 20, 2017: New Phytologist
https://www.readbyqxmd.com/read/28098731/choroidal-structure-altered-by-degeneration-of-retina-in-eyes-with-retinitis-pigmentosa
#15
Hiroki Kawano, Shozo Sonoda, Shiro Saito, Hiroto Terasaki, Taiji Sakamoto
PURPOSE: To compare the structural characteristics of the choroid in the areas with greater retinal degeneration to the areas with less retinal degeneration in eyes with retinitis pigmentosa (RP). METHODS: Patients with RP who had a hyperautofluorescent ring were studied. The choroidal images obtained by enhanced depth imaging optical coherence tomography located 7,500 μm from the optic disk in the horizontal plane were analyzed. The cross-sectional areas of the total, luminal, and stromal choroid were measured...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28092315/choroidal-blood-vessels-in-retinal-pigment-epithelial-atrophy-using-optical-coherence-tomography-angiography
#16
Ichiro Maruko, Hideki Koizumi, Shota Sawaguchi, Taiji Hasegawa, Hisaya Arakawa, Tomohiro Iida
PURPOSE: To observe choroidal blood vessels in cases sharply demarcated with retinal pigment epithelium (RPE) atrophy at the macular area using en-face optical coherence tomography angiography (OCTA) and standard en-face optical coherence tomography (OCT). METHODS: The retrospective study included 12 eyes (8 patients; 5 men, 3 women; average age, 64.3 years) with RPE atrophy seen by ophthalmoscopy. The macular areas with normal and atrophic RPE sections were examined using en-face OCTA with an 840-nm light source (RTVue XR Avanti; Optovue Inc), which system can obtain standard en-face OCT images at identical areas...
January 13, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28089440/taiji-train-the-trainers-curriculum-increasing-the-work-force-to-decrease-falls-in-the-elderly
#17
Lucy Bartimole, Mary A Fristad
No abstract text is available yet for this article.
December 16, 2016: Explore: the Journal of Science and Healing
https://www.readbyqxmd.com/read/28057648/in-vitro-experiment-to-elucidate-the-mechanism-of-the-soft-shell-technique-for-preventing-subretinal-migration-of-perfluoro-octane
#18
Yau Kei Chan, Yongjie Lu, Gabriela Czanner, Jing Wu, Ho Ching Cheng, Rumana Hussain, Taiji Sakamoto, Ho Cheung Shum, David Wong
AIM: Perfluorocarbon liquid (PFCL) can migrate into subretinal space in detached and stiffened retina with open holes during vitreoretinal surgery. An innovative 'soft shell' technique was introduced to reduce the complication using hyaluronate (HA) to 'cover' the retinal hole. This study aims to study the effectiveness of this technique in vitro. METHODS: Ex vivo porcine retina was mounted on a transwell insert. Beneath the retina was an aqueous solution. Two retinal holes were made using needle punctures...
January 5, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28043993/safety-and-reproducibility-of-virtual-assisted-lung-mapping-a-multicentre-study-in-japan%C3%A2
#19
Masaaki Sato, Taiji Kuwata, Keiji Yamanashi, Atsushi Kitamura, Kenji Misawa, Kota Imashimizu, Masashi Kobayashi, Masaki Ikeda, Terumoto Koike, Shinji Kosaka, Ryuta Fukai, Yasuo Sekine, Noritaka Isowa, Shin Hirayama, Hiroaki Sakai, Fumiaki Watanabe, Kazuhiro Nagayama, Akihiro Aoyama, Hiroshi Date, Jun Nakajima
OBJECTIVES: Virtual-assisted lung mapping (VAL-MAP) is a preoperative bronchoscopic multispot dye-marking technique using virtual images. The purpose of this study was to evaluate the safety, efficacy and reproducibility of VAL-MAP among multiple centres. METHODS: Selection criteria included patients with pulmonary lesions anticipated to be difficult to identify at thoracoscopy and/or those undergoing sub-lobar lung resections requiring careful determination of resection margins...
January 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28043792/generation-of-a-novel-artificial-trkb-agonist-bm17d99-using-t7-phage-displayed-random-peptide-libraries
#20
Toshiyuki Ohnishi, Kotaro Sakamoto, Asano Asami-Odaka, Kimie Nakamura, Ayako Shimizu, Takashi Ito, Taiji Asami, Tetsuya Ohtaki, Hiroshi Inooka
Tropomyosin receptor kinase B (TrkB) is a known receptor of brain-derived neurotrophic factor (BDNF). Because it plays a critical role in the regulation of neuronal development, maturation, survival, etc., TrkB is a good target for drugs against central nervous system diseases. In this study, we aimed to generate peptidic TrkB agonists by applying random peptide phage display technology. After the phage panning against recombinant Fc-fused TrkB (TrkB-Fc), agonistic phages were directly screened against TrkB-expressing HEK293 cells...
January 29, 2017: Biochemical and Biophysical Research Communications
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