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Yoshinori Morita, Eduardo Campos-Alberto, Fumiya Yamaide, Taiji Nakano, Hidenori Ohnisi, Minako Kawamoto, Norio Kawamoto, Eiko Matsui, Naomi Kondo, Yoichi Kohno, Naoki Shimojo
Background: Transforming growth factor (TGF)-β in breast milk is crucial for mucosal immune system in the neonatal period. We hypothesized that the level of exposure to TGF-β from breast milk in the first month of life is related to the development of eczema later in life. Thus, the present study investigated whether changes in TGF-β levels between colostrum and mature milk are associated with such occurrence in a birth cohort study. Methods: Colostrum and 1-month breast milk samples were collected from mothers who participated in our birth cohort study...
2018: Frontiers in Pediatrics
Atsushi Tanaka, Atsushi Kawaguchi, Hirofumi Tomiyama, Tomoko Ishizu, Chisa Matsumoto, Yukihito Higashi, Bonpei Takase, Toru Suzuki, Shinichiro Ueda, Tsutomu Yamazaki, Tomoo Furumoto, Kazuomi Kario, Teruo Inoue, Shinji Koba, Yasuhiko Takemoto, Takuzo Hano, Masataka Sata, Yutaka Ishibashi, Koji Maemura, Yusuke Ohya, Taiji Furukawa, Hiroshi Ito, Akira Yamashina, Koichi Node
OBJECTIVES: The endothelial dysfunction-arterial stiffness-atherosclerosis continuum plays an important pathophysiological role in hypertension. The aim of this study was to investigate the cross-sectional association between serum uric acid (SUA) and vascular markers related to this continuum, and to assess the longitudinal association between SUA and endothelial function that represents the initial step of the continuum. METHODS: We evaluated the baseline associations between SUA levels and vascular markers that included flow-mediated vasodilatation (FMD), brachial-ankle pulse wave velocity (baPWV), and common carotid artery intima-media thickness (CCA-IMT) in 648 subjects receiving antihypertensive treatment...
June 6, 2018: International Journal of Cardiology
Taiji Kuwata, Akihiro Taira, Yusuke Nabe, Shuichi Shinohara, Fumihiro Tanaka
We often encounter the postoperative recurrence of lung cancer. It is generally diagnosed based on the clinical course and the results of imaging studies, such as computed tomography (CT) and positron emission tomography (PET). The organization diagnosis is often not done. We present the case of a patient who was treated for the postoperative recurrence of lung cancer that was later proven by biopsy to be a second lung cancer. It is possible that cases of a second cancer, like ours, are overlooked because they are incorrectly classified as postoperative recurrences of lung cancer based on the clinical course and imaging findings...
June 2018: Indian Journal of Surgical Oncology
Taiji Ueno, Lotte Meteyard, Paul Hoffman, Kou Murayama
An influential account of reading holds that words with exceptional spelling-to-sound correspondences (e.g., PINT) are read via activation of their lexical-semantic representations, supported by the anterior temporal lobe (ATL). This account has been inconclusive because it is based on neuropsychological evidence, in which lesion-deficit relationships are difficult to localize precisely, and functional neuroimaging data, which is spatially precise but cannot demonstrate whether the ATL activity is necessary for exception word reading...
June 6, 2018: Cerebral Cortex
Shimpei Ito, Akihiro Endo, Taiji Okada, Hiroyuki Yoshitomi, Ryoji Hyakudomi, Yoshitsugu Tajima, Kazuaki Tanabe
A 55-year-old man was presented to the emergency room because of abdominal pain for 4 days. He had a history of atopic dermatitis. Left ventricular (LV) asynergy and thrombus was detected on echocardiography, and superior mesenteric vein thrombosis was detected by computed tomography. There are no reported cases of this combination of thrombi. We hypothesized that the reason for this complication is the combination of coagulation disorder due to atopic dermatitis, silent myocardial infarction, and exacerbation of the coagulation abnormality due to bacteremia, leading to superior mesenteric vein and LV thrombosis...
June 6, 2018: International Heart Journal
Ayşe Kılıç, Marc Santolini, Taiji Nakano, Matthias Schiller, Mizue Teranishi, Pascal Gellert, Yuliya Ponomareva, Thomas Braun, Shizuka Uchida, Scott T Weiss, Amitabh Sharma, Harald Renz
Allergic asthma is a chronic inflammatory disease dominated by a CD4+ T helper 2 (Th2) cell signature. The immune response amplifies in self-enforcing loops, promoting Th2-driven cellular immunity and leaving the host unable to terminate inflammation. Posttranscriptional mechanisms, including microRNAs (miRs), are pivotal in maintaining immune homeostasis. Since an altered expression of various miRs has been associated with T cell-driven diseases, including asthma, we hypothesized that miRs control mechanisms ensuring Th2 stability and maintenance in the lung...
June 7, 2018: JCI Insight
Satoru Okuda, Takashi Miura, Yasuhiro Inoue, Taiji Adachi, Mototsugu Eiraku
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
June 4, 2018: Scientific Reports
Kazuma Murakami, Takuya Yoshioka, Shiori Horii, Mizuho Hanaki, Satohiro Midorikawa, Shinji Taniwaki, Hiroki Gunji, Ken-Ichi Akagi, Taiji Kawase, Kenji Hirose, Kazuhiro Irie
Herein we report that a preferable inhibition of the nucleation phase of Aβ42, related to the formation of toxic oligomers, by triterpenoids from medicinal herbs originates from a salt bridge of their carboxy groups with Lys16 and 28 in Aβ42. Such a direct interaction targeting the monomer, dimer, and trimer suppressed further oligomerization. In contrast, the corresponding congeners without carboxy groups failed to do so.
May 31, 2018: Chemical Communications: Chem Comm
Masahiko Itoh, Kazuhiko Nakadate, Taiji Matsusaka, Walter Hunziker, Hiroyuki Sugimoto
Glomerular podocytes in the kidney originate from columnar epithelial cells possessing tight junctions. During podocyte differentiation, tight junctions are replaced by slit diaphragms, which are formed between foot processes and function as a blood filtration barrier. Although the expression of most tight junction components is suppressed during podocyte differentiation, several components, including ZO-1 and ZO-2, are consistently expressed. We recently showed that podocyte-specific deletion of ZO-1 gene impaired slit diaphragm formation, leading to proteinuria and glomerular sclerosis...
May 29, 2018: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
Taiji Okada, Kaori Mogi, Akihiro Endo, Hiroyuki Yoshitomi, Teiji Oda, Kazuaki Tanabe
Traumatic tricuspid regurgitation (TR) is a rare cardiovascular complication in chest trauma. Changes in the left ventricle (LV) function after operation are unclear. A 61-year-old woman who had been involved in a traffic accident 1 month earlier presented with exertional dyspnea. Transthoracic echocardiography (TTE) showed severe tricuspid regurgitation (TR) accompanied by LV dysfunction due to anterior leaflet prolapse with papillary muscle rupture. After tricuspid plasty, the LV function improved, as evidenced by TTE and speckle tracking echocardiography...
May 18, 2018: Internal Medicine
Yusuke Mihara, Ken-Ichi Matsuda, Kazunori Ikebe, Koudai Hatta, Motoyoshi Fukutake, Kaori Enoki, Taiji Ogawa, Hajime Takeshita, Chisato Inomata, Yasuyuki Gondo, Yukie Masui, Kei Kamide, Ken Sugimoto, Mai Kabayama, Tatsuro Ishizaki, Yasumichi Arai, Yoshinobu Maeda
OBJECTIVE: The purpose of this study was to elucidate the associations between muscle strength and several oral functions in a large cohort of community-dwelling, 82- to 84-year-old community-dwelling Japanese people. BACKGROUND DATA DISCUSSING THE PRESENT STATUS OF THE FIELD: Several studies have examined the relationships between physical performance and oral functions. However, no studies have investigated the associations of muscle strength with various objectively evaluated oral functional parameters in a large cohort of very old adults...
May 15, 2018: Gerodontology
Aidan Huang, Meiyu Zhang, Taijie Li, Xue Qin
BACKGROUND: To use the tandem mass tags (TMT) based quantitative proteomics technique and bioinformatics method to identify potential serum diagnostic biomarkers for gastric cancer (GC). METHODS: This study enrolled GC patients and healthy control subjects. Mixed serum samples were pooled with 10 individual samples. The high-abundance proteins depleted serum proteins were collected by removing abundance albumin and immunoglobulin G (IgG). After desalting and ultrafiltration, the trypsin digested proteins were analyzed using TMT based quantitative proteomics system...
May 1, 2018: Clinical Laboratory
Kiyoyuki Minamiguchi, Junko Takahama, Tomoko Uchiyama, Ryosuke Taiji, Natsuhiko Saito, Hiroshi Okada, Nagaaki Marugami, Yasuhito Tanase, Ryuji Kawaguchi, Chiho Ohbayashi, Hiroshi Kobayashi, Toshiko Hirai, Kimihiko Kichikawa
PURPOSE: The purpose of this study was to identify the magnetic resonance imaging (MRI) features of uterine endometrial carcinoma (EC) with DNA mismatch repair (MMR) deficiency. MATERIALS AND METHODS: This was a retrospective study approved by our institutional review board. The study included 118 patients pathologically diagnosed as having EC in our institution from April 2014 to December 2016. Of 118 patients, 8 were excluded because of insufficient data. Immunohistochemical analysis of MMR was performed retrospectively to observe the expressions of MLH1, MSH2, MSH6, and PMS2...
May 4, 2018: Japanese Journal of Radiology
Taiji Kuwata, Shuichi Shinohara, Hiroki Matsumiya, Masaru Takenaka, Soichi Oka, Yasuhiro Chikaishi, Ayako Hirai, Naoko Imanishi, Koji Kuroda, Fumihiro Tanaka
Background: The detection of extremely small lung tumors has increased with the development of computed tomography. Resection of such tumors by thoracoscopy is often hindered due to the unclear location of the tumor. Various methods of preoperative determination of such lesions have been attempted, but without marked success. Here we used virtual-assisted lung mapping (VAL-MAP) to perform surgical resection of small lung lesions. Methods: We selected patients with pulmonary tumors that we anticipated to be difficult to identify during thoracoscopy and/or decide the resection line for sub-lobar lung resection...
March 2018: Journal of Thoracic Disease
Yuhya Wakasa, Taiji Kawakatsu, Takeo Harada, Fumio Takaiwa
To induce transcriptional gene silencing (TGS) of endogenous genes of rice (Oryza sativa L.), we expressed double-strand RNA of each promoter region and thus induced RNA-directed DNA methylation (RdDM). We targeted constitutively expressed genes encoding calnexin (CNX), protein disulfide isomerase (PDIL1-1), and luminal binding protein (BiP1); an endoplasmic reticulum stress-inducible gene (OsbZIP50); and genes with seed-specific expression encoding α-globulin (Glb-1) and glutelin-B4 (GluB4). TGS of four genes was obtained with high efficiency (CNX, 66...
April 28, 2018: Plant Biotechnology Journal
Xin Guo, Hirotsugu Noguchi, Naoki Ishii, Takujiro Homma, Taiji Hamada, Tsubasa Hiraki, Jing Zhang, Kei Matsuo, Seiya Yokoyama, Hiroaki Ishibashi, Tomoko Fukushige, Takuro Kanekura, Junichi Fujii, Hidetaka Uramoto, Akihide Tanimoto, Sohsuke Yamada
AIMS: Peroxiredoxin 4 (PRDX4) is a member of the peroxiredoxin family of antioxidant enzymes. Previously, we reported that PRDX4 can restrain the initiation and progression of nonalcoholic steatohepatitis by reducing local and systemic reactive oxygen species (ROS) levels. Oxidative stress is recognized as a key factor in hepatocarcinogenesis, and a high ROS level has also been found in hepatocellular carcinoma (HCC). Here, our aim is to investigate roles of PRDX4 in the initiation and progression of HCC...
June 11, 2018: Antioxidants & Redox Signaling
Mayumi Sainohira, Takehiro Yamashita, Hiroto Terasaki, Shozo Sonoda, Kazunori Miyata, Yusuke Murakami, Yasuhiro Ikeda, Takeshi Morimoto, Takao Endo, Takashi Fujikado, Junko Kamo, Taiji Sakamoto
The purpose of this study is to determine the factors related to anxiety and depression in patients with retinitis pigmentosa (RP). The status of anxiety and depression was determined in RP patients with the Hospital Anxiety and Depression Scale (HADS) questionnaire which consisted of subscales for HADS-anxiety (HADS-A) and HADS-depression (HADS-D). The vision-specific quality of life (VSQOL) was assessed with the National Eye Institute Visual Function Questionnaire 25 (NEI-VFQ25). The correlations between the HADS-A or HADS-D scores and vision-related clinical parameters such as the best-corrected visual acuity (BCVA), Functional Acuity Score, Functional Field Score, Functional Vision Score, the NEI- VFQ25 subscale score were determined...
2018: PloS One
Tomoyasu Shinoda, Arata Nagasaka, Yasuhiro Inoue, Ryo Higuchi, Yoshiaki Minami, Kagayaki Kato, Makoto Suzuki, Takefumi Kondo, Takumi Kawaue, Kanako Saito, Naoto Ueno, Yugo Fukazawa, Masaharu Nagayama, Takashi Miura, Taiji Adachi, Takaki Miyata
Neural progenitor cells (NPCs), which are apicobasally elongated and densely packed in the developing brain, systematically move their nuclei/somata in a cell cycle-dependent manner, called interkinetic nuclear migration (IKNM): apical during G2 and basal during G1. Although intracellular molecular mechanisms of individual IKNM have been explored, how heterogeneous IKNMs are collectively coordinated is unknown. Our quantitative cell-biological and in silico analyses revealed that tissue elasticity mechanically assists an initial step of basalward IKNM...
April 2018: PLoS Biology
Hiroaki Nishimura, Hideki Enokida, Taiji Sakamoto, Toshiyuki Takahashi, Hiroshi Hayami, Masayuki Nakagawa
The pathogenesis in the exacerbation of neuromyelitis optica spectrum disorder (NMOSD) involves mainly the serum anti-aquaporin-4 (AQP4) immunoglobulin G antibody (anti-AQP4 antibody). If high-dose corticosteroid treatment is not achieved during remission, rescue plasmapheresis is recommended. However, there are few reports on the therapeutic efficacy of repetitive immunoadsorption plasmapheresis (IAPP) for the recurrent exacerbation of NMOSD with a fluctuating anti-AQP4 antibody level. A 36-year-old man presented with a reduction of visual acuity (VA) on the right eye (OD) to 20/250...
April 19, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
Toshifumi Yamashita, Taiji Sakamoto, Hiroto Terasaki, Masanori Iwasaki, Yoko Ogushi, Fumiki Okamoto, Masaru Takeuchi, Tsutomu Yasukawa, Yoshihiro Takamura, Nahoko Ogata, Yumiko Nakamura
The purpose of this study was to compare the surgical outcomes of vitrectomy with conventional internal limiting membrane (C-ILM) peeling to that with the inverted ILM (I-ILM) flap technique for large macular holes (MHs). This was a retrospective chart review of consecutive cases with a large MH at nine hospitals in Japan. Among the 1342 eyes, 165 eyes of 165 cases met the inclusion criteria. The results for medium-large MHs with a diameter 400-550 μm were compared to that of eyes with an extra-large MH with a diameter >550 μm...
April 19, 2018: Acta Ophthalmologica
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