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https://www.readbyqxmd.com/read/28317920/kus121-a-vcp-modulator-attenuates-ischemic-retinal-cell-death-via-suppressing-endoplasmic-reticulum-stress
#1
Masayuki Hata, Hanako O Ikeda, Chinami Kikkawa, Sachiko Iwai, Yuki Muraoka, Tomoko Hasegawa, Akira Kakizuka, Nagahisa Yoshimura
Ischemic neural damages cause several devastating diseases, including brain stroke and ischemic retinopathies, and endoplasmic reticulum (ER) stress has been proposed to be the underlying mechanism of the neuronal cell death of these conditions. We previously synthesized Kyoto University substances (KUSs) as modulators of valosin-containing protein (VCP); KUSs inhibit VCP ATPase activity and protect cells from different cell death-inducing insults. Here, we examined the efficacy of KUS121 in a rat model of retinal ischemic injury...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317408/novel-measurements-of-blood-coagulability-for-assessing-the-risk-of-thrombosis
#2
Tetsuo Sasano, Yuki Hasegawa, Satomi Hamada
No abstract text is available yet for this article.
March 20, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28317309/infantile-fibrosarcoma-treated-with-postoperative-vincristine-and-dactinomycin
#3
Hiroki Yoshihara, Yuri Yoshimoto, Yosuke Hosoya, Daisuke Hasegawa, Takafumi Kawano, Akiko Sakoda, Hajime Okita, Atsushi Manabe
Infantile fibrosarcoma is a non-rhabdomyosarcoma soft-tissue sarcoma that occurs in infancy and which has a relatively good prognosis. A vincristine and dactinomycin (VA) regimen has been shown to be effective, although the duration of chemotherapy has not been well defined. We describe the case of a 4-month-old boy with a mass at the left dorsum of the foot who was diagnosed with infantile fibrosarcoma after resection of the tumor, the margin of which was macroscopically positive. VA treatment was carried out with careful monitoring of response and adverse effects...
March 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28314753/transethnic-meta-analysis-identifies-gsdma-and-prdm1-as-susceptibility-genes-to-systemic-sclerosis
#4
Chikashi Terao, Takahisa Kawaguchi, Philippe Dieude, John Varga, Masataka Kuwana, Marie Hudson, Yasushi Kawaguchi, Marco Matucci-Cerinic, Koichiro Ohmura, Gabriela Riemekasten, Aya Kawasaki, Paolo Airo, Tetsuya Horita, Akira Oka, Eric Hachulla, Hajime Yoshifuji, Paola Caramaschi, Nicolas Hunzelmann, Murray Baron, Tatsuya Atsumi, Paul Hassoun, Takeshi Torii, Meiko Takahashi, Yasuharu Tabara, Masakazu Shimizu, Akiko Tochimoto, Naho Ayuzawa, Hidetoshi Yanagida, Hiroshi Furukawa, Shigeto Tohma, Minoru Hasegawa, Manabu Fujimoto, Osamu Ishikawa, Toshiyuki Yamamoto, Daisuke Goto, Yoshihide Asano, Masatoshi Jinnin, Hirahito Endo, Hiroki Takahashi, Kazuhiko Takehara, Shinichi Sato, Hironobu Ihn, Soumya Raychaudhuri, Katherine Liao, Peter Gregersen, Naoyuki Tsuchiya, Valeria Riccieri, Inga Melchers, Gabriele Valentini, Anne Cauvet, Maria Martinez, Tsuneyo Mimori, Fumihiko Matsuda, Yannick Allanore
OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease characterised by skin and systemic fibrosis culminating in organ damage. Previous genetic studies including genome-wide association studies (GWAS) have identified 12 susceptibility loci satisfying genome-wide significance. Transethnic meta-analyses have successfully expanded the list of susceptibility genes and deepened biological insights for other autoimmune diseases. METHODS: We performed transethnic meta-analysis of GWAS in the Japanese and European populations, followed by a two-staged replication study comprising a total of 4436 cases and 14 751 controls...
March 17, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28314361/hepatotoxicity-and-drug-chemical-interaction-toxicity-of-nanoclay-particles-in-mice
#5
Katsuhiro Isoda, Ryutaro Nagata, Tomoya Hasegawa, Yuichiro Taira, Ikuko Taira, Yoshimi Shimizu, Kazuo Isama, Tetsuji Nishimura, Isao Ishida
Nanomaterials are relatively new and unconventional materials with many useful properties, but their effects on biological systems are poorly understood. Nanoclay is a general term for layered mineral silicate nanoparticles that are ideally suited for use in clay-based nanocomposites. The potential biological hazards of nanoclays have not been addressed, however. Therefore, we investigated the in vivo effects and drug interactions of nanoclays. In mice, administration of nanoclay particles via the tail vein led to acute liver injury...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28314326/impact-of-maintenance-therapy-for-patients-with-non-small-cell-lung-cancer-in-a-real-world-setting
#6
Kiyotaka Yoh, Yasushi Goto, Yoichi Naito, Kazuma Kishi, Kiyoshi Mori, Katsuyuki Hotta, Yukio Hosomi, Kazuhiko Yamada, Chiharu Tanai, Yoshio Tomizawa, Akira Inoue, Yoshinori Hasegawa, Makoto Nishio, Yasuo Ohashi, Hideo Kunitoh
BACKGROUND: The purpose of this study was to explore the role of maintenance therapy for patients with advanced non-small cell lung cancer (NSCLC) in a real-world setting. PATIENTS AND METHODS: This was a prospective observational cohort multicenter study. Eligible patients were observed from initiation of first-line platinum-based chemotherapy until final follow-up. RESULTS: Between 2010 and 2011, a total of 864 patients were enrolled in this study...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28314294/mismatch-repair-protein-deficiency-is-a-risk-factor-for-aberrant-expression-of-hla-class-i-molecules-a-putative-adaptive-immune-escape-phenomenon
#7
Terufumi Kubo, Yoshihiko Hirohashi, Kazuhiko Matsuo, Tomoko Sonoda, Hiroki Sakamoto, Kiyoshi Furumura, Tomohide Tsukahara, Takayuki Kanaseki, Munehide Nakatsugawa, Hiroshi Hirano, Tomohisa Furuhata, Ichiro Takemasa, Tadashi Hasegawa, Toshihiko Torigoe
Accumulating evidence indicates that immune checkpoint inhibition-mediated cancer immunotherapies greatly improve the prognosis of certain types of cancer. This approach is now becoming a standard therapy, joining surgery, radiotherapy, and chemotherapy. Because the costs of antibody drugs are now a socioeconomic burden in many countries, an urgent need in cancer immunotherapy is the identification of relevant biomarkers that can predict therapy efficacy. Recent studies have reported that colorectal adenocarcinoma with hereditary or sporadic deficiency in mismatch repair (MMR) proteins has high antigenicity and that detection of these proteins could be a promising way to estimate clinical response...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28314267/induced-pluripotent-stem-cell-related-genes-contribute-to-de-differentiation-in-oral-squamous-cell-carcinoma
#8
Daisuke Takeda, Takumi Hasegawa, Takeshi Ueha, Eiji Iwata, Risa Harada, Akiko Sakakibara, Teruya Kawamoto, Tsutomu Minamikawa, Yoshitada Sakai, Takahide Komori
BACKGROUND/AIM: Cancer stem cells are suspected to contribute to malignancy in tumors. Hypoxia affects cell differentiation and induces stem-cell-like characteristics in malignancies. Induced pluripotency was demonstrated in mouse fibroblasts by reprogramming with four transcriptional factors: Oct3/4, Sox2, c-Myc, and Klf4. Conversely, oncogenic transformations frequently express transcriptional factors and Nanog. Therefore, cancer cells present some similarities with induced pluripotent stem (iPS) cells...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28306312/dirac-fermions-in-borophene
#9
Baojie Feng, Osamu Sugino, Ro-Ya Liu, Jin Zhang, Ryu Yukawa, Mitsuaki Kawamura, Takushi Iimori, Howon Kim, Yukio Hasegawa, Hui Li, Lan Chen, Kehui Wu, Hiroshi Kumigashira, Fumio Komori, Tai-Chang Chiang, Sheng Meng, Iwao Matsuda
Honeycomb structures of group IV elements can host massless Dirac fermions with nontrivial Berry phases. Their potential for electronic applications has attracted great interest and spurred a broad search for new Dirac materials especially in monolayer structures. We present a detailed investigation of the β_{12} sheet, which is a borophene structure that can form spontaneously on a Ag(111) surface. Our tight-binding analysis revealed that the lattice of the β_{12} sheet could be decomposed into two triangular sublattices in a way similar to that for a honeycomb lattice, thereby hosting Dirac cones...
March 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28306146/the-relationship-between-nasopharyngeal-ccl5-and-microbiota-on-disease-severity-among-infants-with-bronchiolitis
#10
Kohei Hasegawa, Jonathan M Mansbach, Nadim J Ajami, Joseph F Petrosino, Robert J Freishtat, Stephen J Teach, Pedro A Piedra, Carlos A Camargo
Emerging evidence suggests that the airway microbiota plays an important role in viral bronchiolitis pathobiology. However, little is known about the combined role of airway microbiota and CCL5 in infants with bronchiolitis. In this multicenter prospective cohort study of 1,005 infants (age <1 year) hospitalized for bronchiolitis during 2011-2014, we observed statistically-significant interactions between nasopharyngeal airway CCL5 levels and microbiota profiles with regard to the risk of both intensive care use (Pinteraction =0...
March 17, 2017: Allergy
https://www.readbyqxmd.com/read/28303401/nomogram-predicting-long-term-survival-after-the-diagnosis-of-intrahepatic-recurrence-of-hepatocellular-carcinoma-following-an-initial-liver-resection
#11
Tsuyoshi Notake, Akira Kobayashi, Hiroji Shinkawa, Takuya Kawahara, Akira Shimizu, Takahide Yokoyama, Kiyoshi Hasegawa, Norihiro Kokudo, Yutaka Matsuyama, Masatoshi Makuuchi, Shin-Ichi Miyagawa
BACKGROUND: The aim of this study was to construct and validate a nomogram for predicting survival after the intrahepatic recurrence of hepatocellular carcinoma (HCC) following an initial hepatectomy. METHODS: A primary cohort of 268 patients who underwent curative hepatectomy for HCC at Shinshu University Hospital between 1990 and 2010 was retrospectively studied. A nomogram was constructed based on independent prognostic factors for overall survival after recurrence...
March 16, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28302953/guidelines-for-therapeutic-drug-monitoring-of-cardiovascular-drugs-clinical-use-of-blood-drug-concentration-monitoring-jcs-2015-%C3%A3-digest-version
#12
Kazutaka Aonuma, Tsuyoshi Shiga, Hirotsugu Atarashi, Kosuke Doki, Hirotoshi Echizen, Nobuhisa Hagiwara, Junichi Hasegawa, Hideharu Hayashi, Kenzo Hirao, Fukiko Ichida, Takanori Ikeda, Yorinobu Maeda, Naoki Matsumoto, Toshiyuki Sakaeda, Wataru Shimizu, Mitsuru Sugawara, Kyoichi Totsuka, Yoshimasa Tsuchishita, Kazuyuki Ueno, Eiichi Watanabe, Masayuki Hashiguchi, Sumio Hirata, Hidefumi Kasai, Yoshiaki Matsumoto, Akihiko Nogami, Yukio Sekiguchi, Tokuko Shinohara, Atsushi Sugiyama, Naokata Sumitomo, Atsushi Suzuki, Naohiko Takahashi, Eiji Yukawa, Masato Homma, Minoru Horie, Hiroshi Inoue, Hiroshi Ito, Takanori Miura, Tohru Ohe, Kimikazu Shinozaki, Kazuhiko Tanaka
No abstract text is available yet for this article.
March 9, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28302928/pi5p-and-pi-3-5-p2-minor-but-essential-phosphoinositides
#13
Junya Hasegawa, Bethany S Strunk, Lois S Weisman
In most eukaryotes, phosphoinositides (PIs) have crucial roles in multiple cellular functions. Although the cellular levels of phosphatidylinositol 5-phosphate (PI5P) and phosphatidylinositol 3,5-bisphosphate (PI(3,5)P2) are extremely low relative to some other PIs, emerging evidence demonstrates that both lipids are crucial for the endocytic pathway, intracellular signaling, and adaptation to stress. Mutations that causes defects in the biosynthesis of PI5P and PI(3,5)P2 are linked to human diseases including neurodegenerative disorders...
March 7, 2017: Cell Structure and Function
https://www.readbyqxmd.com/read/28302507/design-and-synthesis-of-selective-cdk8-19-dual-inhibitors-discovery-of-4-5-dihydrothieno-3-4-3-4-benzo-1-2-d-isothiazole-derivatives
#14
Koji Ono, Hiroshi Banno, Masanori Okaniwa, Takaharu Hirayama, Naoki Iwamura, Yukiko Hikichi, Saomi Murai, Maki Hasegawa, Yuka Hasegawa, Kazuko Yonemori, Akito Hata, Kazunobu Aoyama, Douglas R Cary
To develop a novel series of CDK8/19 dual inhibitors, we employed structure-based drug design using docking models based on a library compound, 4,5-dihydroimidazolo[3',4':3,4]benzo[1,2-d]isothiazole 16 bound to CDK8. We designed various [5,6,5]-fused tricyclic scaffolds bearing a carboxamide group to maintain predicted interactions with the backbone CO and NH of Ala100 in the CDK8 kinase hinge region. We found that 4,5-dihydrothieno[3',4':3,4]benzo[1,2-d]isothiazole derivative 29a showed particularly potent enzymatic inhibitory activity in both CDK8/19 (CDK8 IC50: 0...
February 22, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28300234/structural-and-transport-properties-of-neutral-radical-crystals-of-co-iii-tmp-cn-2-tmp-5-10-15-20-tetramethylporphyrinato-and-the-cn-bridged-polymer-co-iii-tmp-cn-n
#15
Masashi Kurokawa, Judy Fe F Jose-Larong, Hiroyuki Hasegawa, Yukihiro Takahashi, Jun Harada, Tamotsu Inabe
An axially ligated Co(tmp) (tmp = 5,10,15,20-tetramethylporphyrinato) anion, [Co(III)(tmp)(CN)2](-), has been prepared and subjected to electrochemical oxidation to obtain the open shell tmp π-ligand. With acetone as the solvent, solvent-free neutral radical crystals of Co(III)(tmp)(CN)2 are obtained, whereas solvent-inclusive crystals of Co(III)(tmp)(CN)2·2CH3CN are obtained with CH3CN as the solvent. In both crystals, the open shell tmp ring deforms into a ruffled form, which makes the π-π interactions in the crystal weak...
March 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28298259/phenotypic-analysis-of-asthma-in-japanese-athletes
#16
Keisuke Tsukioka, Toshiyuki Koya, Hiroshi Ueno, Masachika Hayashi, Takuro Sakagami, Takashi Hasegawa, Masaaki Arakawa, Eiichi Suzuki, Toshiaki Kikuchi
BACKGROUND: Asthma in athlete populations such as Olympic athletes has various pathogeneses. However, few reports are available on the features of asthma in the athlete population in clinical practice. In this study, we focused on classifying asthma in Japanese athlete population. METHODS: We performed a cluster analysis of data from pulmonary function tests and clinical biomarkers before administering inhaled corticosteroids (ICS) therapy in athlete population of individuals diagnosed with asthma (n = 104; male, 76...
March 12, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28297671/selective-suppression-of-local-circuits-during-movement-preparation-in-the-mouse-motor-cortex
#17
Masashi Hasegawa, Kei Majima, Takahide Itokazu, Takakuni Maki, Urban-Raphael Albrecht, Nora Castner, Mariko Izumo, Kazuhiro Sohya, Tatsuo K Sato, Yukiyasu Kamitani, Takashi R Sato
Prepared movements are more efficient than those that are not prepared for. Although changes in cortical activity have been observed prior to a forthcoming action, the circuits involved in motor preparation remain unclear. Here, we use in vivo two-photon calcium imaging to uncover changes in the motor cortex during variable waiting periods prior to a forepaw reaching task in mice. Consistent with previous reports, we observed a subset of neurons with increased activity during the waiting period; however, these neurons did not account for the degree of preparation as defined by reaction time (RT)...
March 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/28296909/novel-fimbrilin-pgn_1808-in-porphyromonas-gingivalis
#18
Keiji Nagano, Yoshiaki Hasegawa, Yasuo Yoshida, Fuminobu Yoshimura
Porphyromonas gingivalis, a periodontopathic gram-negative anaerobic bacterium, generally expresses two types of fimbriae, FimA and Mfa1. However, a novel potential fimbrilin, PGN_1808, in P. gingivalis strain ATCC 33277 was recently identified by an in silico structural homology search. In this study, we experimentally examined whether the protein formed a fimbrial structure. Anion-exchange chromatography showed that the elution peak of the protein was not identical to those of the major fimbrilins of FimA and Mfa1, indicating that PGN_1808 is not a component of these fimbriae...
2017: PloS One
https://www.readbyqxmd.com/read/28293731/physical-function-and-health-related-quality-of-life-in-patients-undergoing-surgical-treatment-for-malignant-pleural-mesothelioma
#19
Takashi Tanaka, Shinichiro Morishita, Masaki Hashimoto, Yusuke Itani, Satoshi Mabuchi, Norihiko Kodama, Seiki Hasegawa, Kazuhisa Domen
INTRODUCTION: Malignant pleural mesothelioma (MPM) is a rare cancer that affects the thin cell wall lining of internal organs and structures. Studies have shown that patients with lung cancer have decreased pulmonary function and exercise capacity after pneumonectomy. However, to date, physical function and health-related quality of life (HRQOL) in surgically treated MPM patients have not been evaluated in detail. The aim of this study was to assess physical function and HRQOL of MPM patients following pleurectomy/decortication (P/D)...
March 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28293719/placental-recess-accompanied-by-a-t2-dark-band-a-new-finding-for-diagnosing-placental-invasion
#20
Tomomi Sato, Naoko Mori, Osamu Hasegawa, Takeshi Shigihara, Keiya Fujimori, Kazuhiro Tasaki, Fumio Shishido
PURPOSE: Our aim was to assess the usefulness of a new magnetic resonance imaging (MRI) finding, the placental recess, for diagnosing placental invasion. METHODS: This retrospective study included 51 patients (mean age 34.1 years, range 26-43 years) with suspected placental invasion who underwent cesarean section. Preoperative MRI was performed using a 1.5-T unit and included axial, sagittal, and coronal T2-weighted imaging (T2WI) with half-Fourier fast spin-echo sequences...
March 14, 2017: Abdominal Radiology
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