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https://www.readbyqxmd.com/read/28526904/neuroblastoma-invading-the-kidney-through-the-renal-hilum
#1
Ryu Yanagisawa, Yoshifumi Ogiso, Tomoko Furukawa
No abstract text is available yet for this article.
May 19, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28526851/characterization-of-trpa-channels-in-the-starfish-patiria-pectinifera-involvement-of-thermally-activated-trpa1-in-thermotaxis-in-marine-planktonic-larvae
#2
Shigeru Saito, Gen Hamanaka, Narudo Kawai, Ryohei Furukawa, Jun Gojobori, Makoto Tominaga, Hiroyuki Kaneko, Yoko Satta
The vast majority of marine invertebrates spend their larval period as pelagic plankton and are exposed to various environmental cues. Here we investigated the thermotaxis behaviors of the bipinnaria larvae of the starfish, Patiria pectinifera, in association with TRPA ion channels that serve as thermal receptors in various animal species. Using a newly developed thermotaxis assay system, we observed that P. pectinifera larvae displayed positive thermotaxis toward high temperatures, including toward temperatures high enough to cause death...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28524820/chemical-structure-guided-design-of-dynapyrazoles-potent-cell-permeable-dynein-inhibitors-with-a-unique-mode-of-action
#3
Jonathan Baruch Steinman, Cristina C Santarossa, Rand M Miller, Lola S Yu, Anna S Serpinskaya, Hideki Furukawa, Sachie Morimoto, Yuta Tanaka, Mitsuyoshi Nishitani, Moriteru Asano, Ruta Zalyte, Alison E Ondrus, Alex G Johnson, Fan Ye, Maxence V Nachury, Yoshiyuki Fukase, Kazuyoshi Aso, Michael A Foley, Vladimir I Gelfand, James K Chen, Andrew P Carter, Tarun M Kapoor
Cytoplasmic dyneins are motor proteins in the AAA+ superfamily that power transport of cellular cargos towards microtubule minus-ends. Recently, ciliobrevins were reported as selective cell-permeable inhibitors of cytoplasmic dyneins. As is often true for first-in-class inhibitors, the use of ciliobrevins has been limited by low potency. Moreover, suboptimal chemical properties, such as the potential to isomerize, have hindered efforts to improve ciliobrevins. Here, we characterized the structure of ciliobrevins and designed conformationally-constrained isosteres...
May 19, 2017: ELife
https://www.readbyqxmd.com/read/28523529/s-nitrosylation-regulates-cell-survival-and-death-in-the-central-nervous-system
#4
Yoshiki Koriyama, Ayako Furukawa
Nitric oxide (NO), which is produced from nitric oxide synthase, is an important cell signaling molecule that is crucial for many physiological functions such as neuronal death, neuronal survival, synaptic plasticity, and vascular homeostasis. This diffusible gaseous compound functions as an effector or second messenger in many intercellular communications and/or cell signaling pathways. Protein S-nitrosylation is a posttranslational modification that involves the covalent attachment of an NO group to the thiol side chain of select cysteine residues on target proteins...
May 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28523430/long-term-durability-of-preserved-aortic-root-after-repair-of-acute-type-a-aortic-dissection
#5
Keiji Kamohara, Shugo Koga, Jun Takaki, Nozomi Yoshida, Kojiro Furukawa, Shigeki Morita
BACKGROUND: Optimal management of aortic root in type A aortic dissection (AAD) is controversial. To determine the most appropriate strategy, we studied the late outcomes after conservative repair of aortic root. METHODS: 234 AAD patients (mean age 68 ± 12 years) underwent surgical repair using supracommissural replacement (SCR) for aortic root reconstruction from 1989 to 2014. Ascending aortic replacement or hemi-arch replacement was performed in 180 patients (non-arch group), whereas total arch replacement (TAR) was performed in 54 patients...
May 18, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28523191/maternal-morbidity-in-women-with-placenta-previa-managed-with-prediction-of-morbidly-adherent-placenta-by-ultrasonography
#6
Midori Fujisaki, Seishi Furukawa, Yohei Maki, Masanao Oohashi, Koutarou Doi, Hiroshi Sameshima
Objective. To determine maternal morbidity in women with placenta previa managed with prediction of morbidly adherent placenta (MAP) by ultrasonography. Methods. A retrospective cohort study was undertaken comprising forty-one women who had placenta previa with or without risk factors for MAP. Women who had all three findings (bladder line interruption, placental lacunae, and absence of the retroplacental clear zone) were regarded as high suspicion for MAP and underwent cesarean section followed by hysterectomy...
2017: Journal of Pregnancy
https://www.readbyqxmd.com/read/28521471/preoperative-peripheral-blood-neutrophil-count-predicts-long-term-outcomes-following-hepatic-resection-for-colorectal-liver-metastases
#7
Koichiro Haruki, Hiroaki Shiba, Yuki Fujiwara, Kenei Furukawa, Tomonori Iida, Masahisa Ohkuma, Masaichi Ogawa, Yuichi Ishida, Takeyuki Misawa, Katsuhiko Yanaga
Preoperative systemic inflammatory response is associated with a poor long-term prognosis following resection surgery for malignant tumors. Several markers of systemic inflammation have been reported to be associated with the outcome; however, they have not currently been fully investigated. Therefore, the association between preoperative peripheral blood neutrophil count and oncological outcome following hepatic resection for colorectal liver metastasis (CRLM) was retrospectively investigated. The present study comprised 89 patients who had undergone hepatic resection for CRLM between January 2000 and March 2010...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520649/the-effectiveness-and-feasibility-of-endoscopic-ultrasound-guided-transgastric-drainage-of-postoperative-fluid-collections-early-after-pancreatic-surgery
#8
Yasuro Futagawa, Hiroo Imazu, Naoki Mori, Keisuke Kanazawa, Masafumi Chiba, Kenei Furukawa, Taro Sakamoto, Hiroaki Shiba, Katsuhiko Yanaga
PURPOSES: To assess the feasibility and usefulness of endoscopic ultrasound-guided transgastric drainage (EUS-GD) in patients who required early postoperative drainage of peripancreatic fluid collection or postoperative pancreatic fistulas after pancreatic surgery. PATIENTS AND METHODS: Between May 2012 and January 2016, 33 patients who developed peripancreatic fluid collection or postoperative pancreatic fistulas after pancreatic resection underwent EUS-GD or percutaneous drainage (PTD)...
May 17, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28516514/single-incision-totally-extraperitoneal-inguinal-hernia-repair-is-feasible-and-safe-in-patients-on-antithrombotic-therapy-a-single-center-experience-of-92-procedures
#9
Masaki Wakasugi, Mitsuyoshi Tei, Yozo Suzuki, Kenta Furukawa, Toru Masuzawa, Kentaro Kishi, Masahiro Tanemura, Hiroki Akamatsu
INTRODUCTION: The aim of this study was to evaluate the feasibility and safety of SILS for totally extraperitoneal inguinal hernia repair for patients on antithrombotic therapy. METHODS: A total of 365 patients who underwent SILS for totally extraperitoneal inguinal hernia repair between January 2011 and November 2015 were analyzed retrospectively. Antithrombotic drugs were stopped preoperatively, and bridging intravenous heparin therapy was given according to the operative risk of each patient...
May 17, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28514652/thymidine-catabolism-as-a-metabolic-strategy-for-cancer-survival
#10
Sho Tabata, Masatatsu Yamamoto, Hisatsugu Goto, Akiyoshi Hirayama, Maki Ohishi, Takuya Kuramoto, Atsushi Mitsuhashi, Ryuji Ikeda, Misako Haraguchi, Kohichi Kawahara, Yoshinari Shinsato, Kentaro Minami, Atsuro Saijo, Masaki Hanibuchi, Yasuhiko Nishioka, Saburo Sone, Hiroyasu Esumi, Masaru Tomita, Tomoyoshi Soga, Tatsuhiko Furukawa, Shin-Ichi Akiyama
Thymidine phosphorylase (TP), a rate-limiting enzyme in thymidine catabolism, plays a pivotal role in tumor progression; however, the mechanisms underlying this role are not fully understood. Here, we found that TP-mediated thymidine catabolism could supply the carbon source in the glycolytic pathway and thus contribute to cell survival under conditions of nutrient deprivation. In TP-expressing cells, thymidine was converted to metabolites, including glucose 6-phosphate, lactate, 5-phospho-α-D-ribose 1-diphosphate, and serine, via the glycolytic pathway both in vitro and in vivo...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28512916/regulation-of-bone-mass-through-pineal-derived-melatonin-mt2-pathway
#11
Kunal Sharan, Kirsty Lewis, Takahisa Furukawa, Vijay K Yadav
Tryptophan, an essential amino acid through a series of enzymatic reactions gives rise to various metabolites viz., serotonin and melatonin that regulate distinct biological functions. We show here that tryptophan metabolism in the pineal gland favors bone mass accrual through production of melatonin, a pineal-derived neurohormone. Pineal gland-specific deletion of Tph1, the enzyme that catalyzes the first step in the melatonin biosynthesis lead to a decrease in melatonin levels and a low bone mass due to an isolated decrease in bone formation while bone resorption parameters remained unaffected...
May 17, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28512588/severe-aplastic-anemia-following-parvovirus-b19-associated-acute-hepatitis
#12
Masanori Furukawa, Kosuke Kaji, Hiroyuki Masuda, Kuniaki Ozaki, Shohei Asada, Aritoshi Koizumi, Takuya Kubo, Norihisa Nishimura, Yasuhiko Sawada, Kosuke Takeda, Tsuyoshi Mashitani, Masayuki Kubo, Itsuto Amano, Tomoyuki Ootani, Chiho Ohbayashi, Koji Murata, Tatsuichi Ann, Akira Mitoro, Hitoshi Yoshiji
Human parvovirus (HPV) B19 is linked to a variety of clinical manifestations, such as erythema infectiosum, nonimmune hydrops fetalis, and transient aplastic anemia. Although a few cases have shown HPVB19 infection as a possible causative agent for hepatitis-associated aplastic anemia (HAAA) in immunocompetent patients, most reported cases of HAAA following transient hepatitis did not have delayed remission. Here we report a rare case of severe aplastic anemia following acute hepatitis with prolonged jaundice due to HPVB19 infection in a previously healthy young male...
2017: Case Reports in Hepatology
https://www.readbyqxmd.com/read/28512414/an-intra-abdominal-desmoid-tumor-embedded-in-the-pancreas-preoperatively-diagnosed-as-an-extragastric-growing-gastrointestinal-stromal-tumor
#13
Mari Mizuno, Yoshiaki Kawaguchi, Aya Kawanishi, Yohei Kawashima, Atsuko Maruno, Masami Ogawa, Mifuji Tomioku, Daisuke Furukawa, Kazuhito Nabeshima, Kenji Nakamura, Kenichi Hirabayashi, Tetsuya Mine
A 45-year-old woman was found to have a pancreatic tumor by abdominal ultrasound performed for a medical check-up. Abdominal contrast-enhanced computed tomography showed a hypovascular tumor measuring 30 mm in diameter in the pancreatic tail. Endoscopic ultrasound-guided fine needle aspiration was performed. An extragastric growing gastrointestinal stromal tumor was thereby diagnosed preoperatively, and surgical resection was planned. Laparoscopic surgery was attempted but conversion to open surgery was necessitated by extensive adhesions, and distal pancreatectomy, splenectomy, and partial gastrectomy were performed...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28507684/synthesis-and-reactivity-of-a-ruthenocene-type-complex-bearing-an-aromatic-%C3%AF-ligand-with-the-heaviest-group-14-element
#14
Marisa Nakada, Takuya Kuwabara, Shunsuke Furukawa, Masahiko Hada, Mao Minoura, Masaichi Saito
An anionic ruthenocene derived from a dilithioplumbole complex was prepared. In the complex, the plumbole ligand coordinates a ruthenium atom in an η(5)-fashion, similar to the cyclopentadienyl ligand in ferrocene. The ruthenocene that has the aromatic π-ligand with the heaviest group 14 element reacted with electrophiles to afford the plumbole complexes wherein the plumbole ligands show deviation from planarity, in contrast to the planar plumbole ring in the anionic ruthenocene. The bent angles of the plumbole ligands are dependent on the substituents on the lead atoms...
April 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28507080/divergent-roles-of-a-peripheral-transmembrane-segment-in-ampa-and-nmda-receptors
#15
Johansen B Amin, Catherine L Salussolia, Kelvin Chan, Michael C Regan, Jian Dai, Huan-Xiang Zhou, Hiro Furukawa, Mark E Bowen, Lonnie P Wollmuth
Ionotropic glutamate receptors (iGluRs), including AMPA receptor (AMPAR) and NMDA receptor (NMDAR) subtypes, are ligand-gated ion channels that mediate signaling at the majority of excitatory synapses in the nervous system. The iGluR pore domain is structurally and evolutionarily related to an inverted two-transmembrane K(+) channel. Peripheral to the pore domain in eukaryotic iGluRs is an additional transmembrane helix, the M4 segment, which interacts with the pore domain of a neighboring subunit. In AMPARs, the integrity of the alignment of a specific face of M4 with the adjacent pore domain is essential for receptor oligomerization...
May 15, 2017: Journal of General Physiology
https://www.readbyqxmd.com/read/28506613/effect-of-high-pressure-on-the-saccharification-of-starch-in-the-tuberous-root-of-sweet-potato-ipomoea-batatas
#16
Toru Shigematsu, Naho Furukawa, Ryo Takaoka, Mayumi Hayashi, Shoji Sasao, Shigeaki Ueno, Kanako Nakajima, Miyuki Kido, Kazuki Nomura, Akinori Iguchi
We analyzed the effect of high hydrostatic pressure (HHP) treatment on reducing sugar production in the tuberous root of sweet potato (Ipomoea batatas), based on pressure-gelatinization of starch and subsequent saccharification by internal amylases. HHP treatment at up to 600MPa at ambient temperature for 10min did not apparently affect the reducing sugar concentration in tuberous root. However, HHP treatment at 100 to 500MPa and 60°C or 70°C for 10min increased reducing sugar concentration as both the pressure and temperature increased...
May 1, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28502858/absolute-quantification-of-cholesteryl-esters-using-liquid-chromatography-tandem-mass-spectrometry-uncovers-novel-diagnostic-potential-of-urinary-sediment
#17
Yusuke Miura, Takayuki Furukawa, Miho Kobayashi, Rojeet Shrestha, Ryoji Takahashi, Chikara Shimizu, Hitoshi Chiba, Shu-Ping Hui
BACKGROUND: Urine has been utilized as a source of biomarkers in renal disease. However, urinary lipids have not attracted much attention so far. Here we studied urinary cholesteryl ester (CE) and its relevance in renal disease. METHODS: Quantitative analysis of CE molecular species in serum, urinary supernatant, and urinary sediment from patients with renal disease (N=64) and non-renal disease (N=23) was carried out using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and deuterated CEs as internal standards...
May 11, 2017: Steroids
https://www.readbyqxmd.com/read/28500540/prediction-of-sudden-cardiac-death-in-patients-with-chronic-heart-failure-by-regional-washout-rate-in-cardiac-mibg-spect-imaging
#18
Hironori Yamamoto, Takahisa Yamada, Shunsuke Tamaki, Takashi Morita, Yoshio Furukawa, Yusuke Iwasaki, Masato Kawasaki, Atsushi Kikuchi, Takumi Kondo, Tatsuhisa Ozaki, Masahiro Seo, Yoshihiro Sato, Iyo Ikeda, Eiji Fukuhara, Makoto Abe, Jun Nakamura, Masatake Fukunami
BACKGROUND: The sympathetic nervous system provides an important trigger for major arrhythmic events through regional heterogeneity of sympathetic activity, which could be evaluated by SPECT imaging as the regional MIBG washout rate (WR). There is little information available on the prognostic value of regional WR in SPECT imaging for the prediction of sudden cardiac death (SCD) in patients with chronic heart failure (CHF). METHODS: We studied 73 CHF outpatients with LVEF < 40%...
May 12, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28500058/response-to-hla-a-31-01-is-not-associated-with-the-development-of-methotrexate-pneumonitis-in-the-uk-population-results-from-a-genome-wide-association-study-by-bluett-et-al
#19
Hiroshi Furukawa, Shomi Oka, Kota Shimada, Naoyuki Tsuchiya, Shigeto Tohma
No abstract text is available yet for this article.
May 12, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28499788/nocturia-and-prevalence-of-depressive-symptoms-in-japanese-patients-with-type-2-diabetes-mellitus-the-dogo-study
#20
Shinya Furukawa, Takenori Sakai, Tetsuji Niiya, Hiroaki Miyaoka, Teruki Miyake, Shin Yamamoto, Sayaka Kanzaki, Koutatsu Maruyama, Keiko Tanaka, Teruhisa Ueda, Hidenori Senba, Masamoto Torisu, Hisaka Minami, Takeshi Tanigawa, Bunzo Matsuura, Yoichi Hiasa, Yoshihiro Miyake
OBJECTIVES: No studies have investigated the association between nocturia and depressive symptoms in patients with type 2 diabetes mellitus. Because nocturia and depressive symptoms are common in patients with type 2 diabetes, we examined this association in Japanese patients with type 2 diabetes. METHODS: We studied 762 Japanese patients with type 2 diabetes. A self-administered questionnaire was used to collect information about the variables under study. The subjects were divided into 3 groups according to their nocturnal micturition: 1) no nocturia; 2) mild nocturia (1 void per night) and 3) moderate to severe nocturia (2 or more voids per night)...
May 9, 2017: Canadian Journal of Diabetes
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