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https://www.readbyqxmd.com/read/27925612/transthoracic-echocardiography-to-assess-aortic-regurgitation-after-tavr-a-comparison-with-periprocedural-transesophageal-echocardiography
#1
Alexandra Goncalves, Charles Nyman, David R Okada, Avinainder Singh, Jeffrey Swanson, Michael Cheezum, Michael Steigner, Marcelo Di Carli, Scott Solomon, Pinak B Shah, Deepak L Bhatt, Douglas Shook, Ron Blankstein
BACKGROUND: We aimed to compare periprocedural transesophageal echocardiography (TEE) with postprocedural transthoracic echocardiography (TTE) for the diagnosis of aortic regurgitation (AR). METHODS AND RESULTS: TEE and TTE images of 163 transcatheter aortic valve replacement (TAVR) patients (mean age 81 ± 8 years; 56% men) were reviewed separately and blinded to each other as well as to all clinical data. The median time between TEE during TAVR (TEE/TAVR) and TTE was 4 days (IQR 2-10 days)...
December 8, 2016: Cardiology
https://www.readbyqxmd.com/read/27924391/our-experience-with-laparoscopic-partial-gastrectomy-by-the-lift-and-cut-method-for-gastric-gastrointestinal-stromal-tumor-with-maximal-preservation-of-the-remnant-stomach
#2
Shintaro Okumura, Seiichiro Kanaya, Hisahiro Hosogi, Takeshi Ito, Susumu Miura, Toshihiro Okada, Norihiro Shimoike, Shin Akagawa, Hironori Kawada, Akira Arimoto
BACKGROUND: Wedge resection is the most commonly used method in laparoscopic partial gastrectomy for gastric gastrointestinal stromal tumor (GIST). However, this method can involve inadvertent resection of additional gastric tissue and cause gastric deformation. To minimize the volume of resected gastric tissue, we have developed a laparoscopic partial gastrectomy with seromyotomy which we call the 'lift-and-cut method' for gastric GIST. Here, we report a case series of this surgery. METHOD: First, the seromuscular layer around the tumor is cut...
December 6, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27920667/double-in-situ-hybridization-for-micrornas-and-mrnas-in-brain-tissues
#3
Atsushi Kasai, Sora Kakihara, Hiroki Miura, Ryo Okada, Atsuko Hayata-Takano, Keisuke Hazama, Misaki Niu, Norihito Shintani, Takanobu Nakazawa, Hitoshi Hashimoto
MicroRNAs (miRNAs) participate in a variety of functions in the brain. Understanding the in vivo localization of miRNAs is an important step for uncovering their roles in brain function. However, the in situ detection of low-abundance miRNAs in brain tissues remains difficult and requires extensive optimization of in situ hybridization (ISH) protocols in individual laboratories. Thus, detailed information regarding experimental conditions would serve as a useful reference for researchers in this field. Here, we investigated and summarized the effects of adjusting a series of critical steps, including tissue fixation, probe accessibility and hybridization stringency, to standardize the currently used miRNA ISH procedures...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27919951/rho-associated-protein-kinase-rock-inhibitors-inhibit-survivin-expression-and-sensitize-pancreatic-cancer-stem-cells-to-gemcitabine
#4
Hiroyuki Takeda, Masashi Okada, Shuhei Suzuki, Kenta Kuramoto, Hirotsugu Sakaki, Hikaru Watarai, Tomomi Sanomachi, Shizuka Seino, Takashi Yoshioka, Chifumi Kitanaka
BACKGROUND: Targeting pathways regulating survivin expression, which has been implicated in multidrug resistance of cancer cells, is a promising strategy to overcome cancer chemoresistance. To date, the role of rho-associated protein kinases (ROCKs) in survivin expression remains largely unknown. MATERIALS AND METHODS: The effects of ROCK inhibitors Y-27632 and fasudil on survivin expression and cell viability were determined by immunoblot analysis and dye exclusion, respectively, in PANC-1 CSLC, a cancer stem cell line derived from a serum-cultured, gemcitabine-sensitive pancreatic cancer cell line, PANC-1...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919226/molar-loss-and-powder-diet-leads-to-memory-deficit-and-modifies-the-mrna-expression-of-brain-derived-neurotrophic-factor-in-the-hippocampus-of-adult-mice
#5
Yosuke Takeda, Hiroshi Oue, Shinsuke Okada, Akira Kawano, Katsunori Koretake, Makoto Michikawa, Yasumasa Akagawa, Kazuhiro Tsuga
BACKGROUND: It is known that tooth loss is known to be a risk factor for Alzheimer's disease and soft diet feeding induces memory impairment. Recent studies have shown that brain-derived neurotrophic factor (BDNF) is associated with tooth loss or soft diet in young animal model, and that BDNF expression is decreased in patients with Alzheimer's disease. However, single or combined effect of tooth loss and/or soft diet on brain function has not fully understood. Here we examined the effect of molar loss and powder diet on memory ability and the expression of BDNF mRNA in the hippocampus of adult C57BL/6J mice...
December 5, 2016: BMC Neuroscience
https://www.readbyqxmd.com/read/27919127/-deceased-donor-kidney-transplantation-from-a-liver-transplantation-recipient
#6
Shuhei Koike, Takashi Kobayashi, Yoshiyuki Okada, Shinsuke Shibuya, Kaoru Sakai, Yukari Tanaka, Shusuke Akamatsu, Hiromitsu Negoro, Naoki Terada, Toshinari Yamasaki, Yoshiyuki Matsui, Takahiro Inoue, Tomomi Kamba, Yumi Umeya, Toshimi Kaido, Osamu Ogawa
We report a 40-year-old man with end-stage renal disease due to IgA nephropathy who underwent deceased donor kidney transplantation. The donor was diagnosed to be brain-dead due to cerebral hemorrhage after her second liver transplantation for non-viral liver cirrhosis. Intraoperative 1-hour biopsy of the graft kidney revealed moderate global glomerular sclerosis (22%) and interstitial fibrosis (40%) consistent with underlying nephrosclerosis or calcineurin inhibitor nephrotoxicity. Although hemodialysis was needed until the graft began functioning several days after the kidney transplantation, the postoperative clinical course thereafter was uneventful and the graft functioned well with stable serum creatinine levels around 2...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27918565/centimetre-scale-micropore-alignment-in-oriented-polycrystalline-metal-organic-framework-films-via-heteroepitaxial-growth
#7
Paolo Falcaro, Kenji Okada, Takaaki Hara, Ken Ikigaki, Yasuaki Tokudome, Aaron W Thornton, Anita J Hill, Timothy Williams, Christian Doonan, Masahide Takahashi
The fabrication of oriented, crystalline films of metal-organic frameworks (MOFs) is a critical step toward their application to advanced technologies such as optics, microelectronics, microfluidics and sensing. However, the direct synthesis of MOF films with controlled crystalline orientation remains a significant challenge. Here we report a one-step approach, carried out under mild conditions, that exploits heteroepitaxial growth for the rapid fabrication of oriented polycrystalline MOF films on the centimetre scale...
December 5, 2016: Nature Materials
https://www.readbyqxmd.com/read/27918433/protein-phosphatase-1-regulates-expression-of-neuregulin-1
#8
Tatiana Ammosova, Kareem Washington, Jamie Rotimi, Namita Kumari, Kahli A Smith, Xiaomei Niu, Marina Jerebtsova, Sergei Nekhai
Protein phosphatase 1 (PP1), a cellular serine/threonine phosphatase, is targeted to cellular promoters by its major regulatory subunits, PP1 nuclear targeting subunit, nuclear inhibitor of PP1 (NIPP1) and RepoMan. PP1 is also targeted to RNA polymerase II (RNAPII) by NIPP1 where it can dephosphorylate RNAPII and cycle-dependent kinase 9 (CDK9). Here, we show that treatment of cells with a small molecule activator of PP1 increases the abundance of a neuregulin-1 (NRG-1)-derived peptide. NRG-1 mRNA and protein levels were increased in the cells stably or transiently expressing mutant NIPP1 (mNIPP1) that does not bind PP1, but not in the cells expressing NIPP1...
December 2, 2016: Biology
https://www.readbyqxmd.com/read/27916773/a-case-of-unresectable-combined-hepatocellular-cholangiocarcinoma-showing-favorable-response-to-lfp-therapy
#9
Sayuri Kato, Yasuto Takeuchi, Nozomu Wada, Yuuki Morimoto, Kenji Kuwaki, Hideki Ohnishi, Shinichiro Nakamura, Hidenori Shiraha, Akinobu Takaki, Hiroyuki Okada
A woman in her 50s was admitted to our hospital because of multiple tumors detected in her liver. She was diagnosed with combined hepatocellular cholangiocarcinoma using gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance imaging (MRI) and biopsy of the liver tumors. We judged the tumors to be unresectable because they were found in both lobes of the liver, with a tumor thrombus being found in the main left portal vein. The pathological findings showed that the tumors exhibited characteristics of hepatocellular carcinoma...
2016: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/27914953/both-secreted-and-the-cellular-levels-of-bdnf-attenuated-due-to-tau-hyperphosphorylation-in-primary-cultures-of-cortical-neurons
#10
İrem Lütfiye Atasoy, Erdinç Dursun, Duygu Gezen Ak, Derya Metin Armağan, Melek Öztürk, Selma Yılmazer
Intracellular aggregation of hyperphosphorylated tau in neurofibrillary tangles (NFTs) is a major neuropathological hallmark of taupathies such as Alzheimer's disease. Okadaic acid (OKA) is a potent inhibitor of PP2A, leading to abnormal tau phosphorylation. Brain-derived neurotrophic factor (BDNF) is a neurotrophin that is selectively downregulated in AD. In this study, we investigated the effects of OKA induced tau hyperphosphorylation on secreted and cellular levels of BDNF in primary cortical neurons that were treated with 25nM OKA...
November 30, 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/27914518/delta-6-desaturase-activity-during-the-first-year-of-life-in-preterm-infants
#11
Nobuhiko Nagano, Tomoo Okada, Kazunori Kayama, Shigeharu Hosono, Yohei Kitamura, Shigeru Takahashi
Term neonates have high delta-6 desaturase (D6D) activity, which is important for regulating polyunsaturated fatty acid's (PUFA) nutritional status. The aim was to investigate D6D activity in preterm infants and its postnatal changes. Forty-three appropriate-for-gestational-age infants were included. PUFA in red blood cells was analyzed at birth and at one, six, and 12 months of age. D6D activity was estimated by 20:3n-6/18:2n-6 ratio. At birth, preterm infants had D6D activity as high as that of term infants; D6D activity declined to about one-third at one month, then further decreased to about one-sixth at six months and remained stable until 12 months...
December 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27910618/faraday-cup-type-lost-fast-ion-detector-on-heliotron-j
#12
S Yamamoto, K Ogawa, M Isobe, D S Darrow, S Kobayashi, K Nagasaki, H Okada, T Minami, S Kado, S Ohshima, G M Weir, Y Nakamura, S Konoshima, N Kemmochi, Y Ohtani, T Mizuuchi
A Faraday-cup type lost-fast ion probe (FLIP) has been designed and installed in Heliotron J for the purpose of the studies of interaction between fast ions and MHD instabilities. The FLIP can measure the co-going fast ions whose energy is in the range of 1.7-42.5 keV (proton) and pitch angle of 90(∘)-140(∘), especially for fast ions having the injection energy of neutral beam injection (NBI). The FLIP successfully measured the re-entering passing ions and trapped lost-fast ions caused by fast-ion-driven energetic particle modes in NBI heated plasmas...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910398/development-of-beam-emission-spectroscopy-for-turbulence-transport-study-in-heliotron-j
#13
S Kobayashi, S Ohshima, H Matsuda, X X Lu, D Kokubu, K Ida, T Kobayashi, M Yoshinuma, S Kado, T Oishi, K Nagasaki, H Okada, T Minami, S Yamamoto, Y Nakamura, A Ishizawa, N Kenmochi, Y Otani, S Konoshima, T Mizuuchi
This paper describes the development study of the beam emission spectroscopy (BES) for the turbulent transport study in Heliotron J. Modification of the sightlines (10 × 4 for edge and 10 × 2 for edge) enables us to obtain 2-dimensional BES imaging. The cooling effect on the reduction in the electrical noise of avalanche photodiode (APD) assembly has been investigated using a refrigerant cooling system. When the temperature of the APD element has set to be -20 °C, the electrical noise can be reduced more than 50%...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909839/biventricular-support-using-a-centrifugal-pump-in-a-6%C3%A2-year-old-with-fulminant-myocarditis
#14
Hiromu Kehara, Tamaki Takano, Takamitsu Terasaki, Kenji Okada
We experienced a case of ventricular assist with both a pulsatile-flow and a continuous-flow pump in a pediatric patient, and herein report the clinical course and characteristics of the pumps. A 6-year-old female was diagnosed with fulminant myocarditis and transferred to our hospital for mechanical support. After 12 days of extracorporeal membrane oxygenation, we implanted a left ventricular assist device (LVAD) and a right ventricular assist device (RVAD) using centrifugal Gyro pumps with a membrane oxygenator in a paracorporeal fashion...
December 1, 2016: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/27909701/immunological-quality-and-performance-of-tumor-vessel-targeting-car-t-cells-prepared-by-mrna-ep-for-clinical-research
#15
Kanako Inoo, Ryo Inagaki, Kento Fujiwara, Shigemi Sasawatari, Takashi Kamigaki, Shinsaku Nakagawa, Naoki Okada
We previously reported that tumor vessel-redirected T cells, which were genetically engineered with chimeric antigen receptor (CAR) specific for vascular endothelial growth factor receptor 2 (VEGFR2), demonstrated significant antitumor effects in various murine solid tumor models. In the present study, we prepared anti-VEGFR2 CAR-T cells by CAR-coding mRNA electroporation (mRNA-EP) and analyzed their immunological characteristics and functions for use in clinical research. The expression of anti-VEGFR2 CAR on murine and human T cells was detected with approximately 100% efficiency for a few days, after peaking 6-12 hours after mRNA-EP...
2016: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/27909285/-multiple-pulmonary-sclerosing-pneumocytoma-with-abnormal-accumulation-of-fluorodeoxyglucose-positron-emission-tomography-diagnosed-by-surgical-treatment-report-of-a-case
#16
Kantaro Hara, Nobuhiro Izumi, Takuma Tsukioka, Hiroaki Komatsu, Satoshi Okada, Michihito Toda, Ryuichi Ito, Toshihiko Shibata, Noritoshi Nishiyama
A 36-year-old Chinese woman was referred to our hospital for further examination of an abnormal shadow on chest X-ray. Chest computed tomography(CT) revealed a 5 mm circular nodule in diameter in right lung S3 and a 32 mm mass in diameter in right lung S7. The S7 mass showed an abnormal accumulation of SUVmax=4.0 on positron emission tomography( PET)-CT. Transbronchial biopsy was performed, but failed to rule out possible malignancy. Differential diagnoses were multiple lung benign tumor, multiple lung metastases from unknown primary cancer, malignant lymphoma or primary lung cancer, and so on...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27909272/-novel-sternum-closure-technique-using-ultra-high-molecular-weight-polyethylene-sutures
#17
Takashi Ando, Daichi Akiyama, Hiroshi Okada, Hiroshi Furukawa, Makoto Takeda
During cardiac surgery through midline sternotomy, sternum closure metal wires are usually used for. However, metal wires may damage the sternum and cause artifacts on X-ray. Therefore, we use a novel sternum closure technique in which metal wire is replaced by ultra-high molecular weight polyethylene(UHMWP) sutures. We have used this technique for 89 patients in 2014 and reviewed our experience. UHMWPs are often used for bone fracture cerclage, particularly in the vertebral body. UHMWPs may avoid sternal "cheese-cut" dehiscence...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27908575/discrimination-of-mediterranean-mussel-mytilus-galloprovincialis-feces-in-deposited-materials-by-fecal-morphology
#18
Yoshihiro B Akiyama, Erina Iseri, Tomoya Kataoka, Makiko Tanaka, Kiyonori Katsukoshi, Hirotada Moki, Ryoji Naito, Ramrav Hem, Tomonari Okada
In the present study, we determined the common morphological characteristics of the feces of Mytilus galloprovincialis to develop a method for visually discriminating the feces of this mussel in deposited materials. This method can be used to assess the effect of mussel feces on benthic environments. The accuracy of visual morphology-based discrimination of mussel feces in deposited materials was confirmed by DNA analysis. Eighty-nine percent of mussel feces shared five common morphological characteristics...
November 28, 2016: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/27905505/surface-protonics-promotes-catalysis
#19
R Manabe, S Okada, R Inagaki, K Oshima, S Ogo, Y Sekine
Catalytic steam reforming of methane for hydrogen production proceeds even at 473 K over 1 wt% Pd/CeO2 catalyst in an electric field, thanks to the surface protonics. Kinetic analyses demonstrated the synergetic effect between catalytic reaction and electric field, revealing strengthened water pressure dependence of the reaction rate when applying an electric field, with one-third the apparent activation energy at the lower reaction temperature range. Operando-IR measurements revealed that proton conduction via adsorbed water on the catalyst surface occurred during electric field application...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904027/retinal-vascular-changes-and-prospective-risk-of-disabling-dementia-the-circulatory-risk-in-communities-study-circs
#20
Hiroshige Jinnouchi, Akihiko Kitamura, Kazumasa Yamagishi, Masahiko Kiyama, Hironori Imano, Takeo Okada, Renzhe Cui, Mitsumasa Umesawa, Isao Muraki, Mina Hayama-Terada, Ryo Kawasaki, Tomoko Sankai, Tetsuya Ohira, Hiroyasu Iso
AIM: To investigate the association of retinal vascular changes with a risk of dementia in longitudinal population-based study. METHODS: We performed a nested case-control study of 3,718 persons, aged 40-89 years, enrolled between 1983 and 2004. Retinal vascular changes were observed in 351 cases with disabling dementia (average period before the onset, 11.2 years) and in 702 controls matched for sex, age, and baseline year. Incidence of disabling dementia was defined as individuals who received cares for disabilities including dementia-related symptoms and/or behavioral disturbance...
December 1, 2016: Journal of Atherosclerosis and Thrombosis
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