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https://www.readbyqxmd.com/read/28087880/direct-synthesis-of-highly-designable-hybrid-metal-hydroxide-nanosheets-using-tripodal-ligands-as-one-size-fits-all-modifiers
#1
Yoshiyuki Kuroda, Tatsuyuki Koichi, Keisuke Muramatsu, Kazuya Yamaguchi, Noritaka Mizuno, Atsushi Shimojima, Hiroaki Wada, Kazuyuki Kuroda
Brucite-type layered metal hydroxides are prepared from diverse metallic elements and have outstanding functions; however, their poor intercalation ability significantly limits their chemical designability and the use of their potentially ultrahigh surface areas and unique properties as two-dimensional nanosheets. Here, we demonstrate that tripodal ligands (R-C(CH2OH)3, R = NH2, CH2OH, or NHC2H4SO3H) are useful as "one-size-fits-all" modifiers for the direct synthesis of hybrid metal hydroxide nanosheets with various constituent metallic elements (M = Mg, Mn, Fe, Co, Ni, or Cu) and surface functional groups...
January 14, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28079950/olefin-insertion-into-a-pd-f-bond-catalyst-reactivation-following-%C3%AE-f-elimination-in-ethylene-vinyl-fluoride-copolymerization
#2
Shinji Wada, Richard F Jordan
The discrete (phosphinoarenesulfonate)Pd fluoride complex (PO(Bp,OMe) )PdF(lutidine), where PO(Bp,OMe) =(2-MeOC6 H4 )(2-{2,6-(MeO)2 C6 H3 }C6 H4 )(2-SO3 -5-MeC6 H3 )P, inserts vinyl fluoride (VF) to form (PO(Bp,OMe) )PdCH2 CHF2 (lutidine) and inserts multiple ethylene (E) units to generate polyethylene that contains -CH2 F chain ends. These results provide strong evidence that the -CHF2 and -CH2 F chain ends in E/VF copolymer generated by (phosphinoarenesulfonate)PdR catalysts form by β-F elimination of Pd(β-F-alkyl) species, VF or E insertion of the resulting (PO)PdF species, and subsequent chain growth...
January 12, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28079534/practical-efficacy-of-olmesartan-versus-azilsartan-in-patients-with-hypertension-a-multicenter-randomized-controlled-trial-muscat-4-study
#3
Yuki Kakio, Haruhito A Uchida, Ryoko Umebayashi, Hidemi Takeuchi, Yuka Okuyama, Yoshihisa Hanayama, Jun Wada
BACKGROUND: Olmesartan and azilsartan, angiotensin II receptor blockers (ARBs), are expected to decrease blood pressure more than the other ARBs. We conducted randomized-controlled trials to compare the practical efficacy of olmesartan with azilsartan. METHODS: Eighty-four patients treated with the conventional ARBs for more than 3 months were assigned randomly to receive either 20 mg of olmesartan (olmesartan medoxomil, OL group) or 20 mg of azilsartan (azilsartan, not azilsartan medoxomil, AZ group) once daily for 16 weeks...
January 10, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28078653/meta-analysis-of-treatment-with-rabbit-and-horse-antithymocyte-globulin-for-aplastic-anemia
#4
Jin Hayakawa, Junya Kanda, Yu Akahoshi, Naonori Harada, Kazuaki Kameda, Tomotaka Ugai, Hidenori Wada, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Masahiro Ashizawa, Miki Sato, Kiriko Terasako-Saito, Shun-Ichi Kimura, Misato Kikuchi, Rie Yamazaki, Shinichi Kako, Yoshinobu Kanda
Aplastic anemia patients who received rabbit antithymocyte globulin exhibited response and survival rates inferior to those who received horse antithymocyte globulin in several studies. Therefore, we conducted a meta-analysis to compare rabbit and horse antithymocyte globulin as immunosuppressive therapy for aplastic anemia. We searched online databases for studies that compared antithymocyte globulin regimens as first-line treatment for aplastic anemia, including both randomized and non-randomized controlled trials...
January 11, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28074265/pharmacokinetic-and-exposure-response-analyses-of-pertuzumab-in-combination-with-trastuzumab-and-docetaxel-during-neoadjuvant-treatment-of-her2-%C3%A2-early-breast-cancer
#5
Angelica L Quartino, Hanbin Li, Jin Y Jin, D Russell Wada, Mark C Benyunes, Virginia McNally, Lucia Viganò, Ihsan Nijem, Bert L Lum, Amit Garg
PURPOSE: The NeoSphere trial evaluated pertuzumab in the neoadjuvant setting [early breast cancer (EBC)] with pathological complete response (pCR) as the primary efficacy end point. This analysis of pertuzumab aimed to (1) compare its pharmacokinetics (PK) in patients with EBC versus advanced cancers, (2) to further evaluate PK drug-drug interactions (DDIs) when given in combination with trastuzumab, and (3) to assess the relationship between exposure and efficacy to assess the clinical dosing regimen in the EBC patients...
January 10, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28074066/preclinical-targeting-of-aggressive-t-cell-malignancies-using-anti-cd5-chimeric-antigen-receptor
#6
K H Chen, M Wada, K G Pinz, H Liu, K-W Lin, A Jares, A E Firor, X Shuai, H Salman, M Golightly, F Lan, L Senzel, L-H Leung, X Jiang, Y Ma
The outlook for T-cell malignancies remain poor due to the lack of effective therapeutic options. Chimeric antigen receptor (CAR) immunotherapy has recently shown promise in clinical trials for B-cell malignancies, however, designing CARs for T-cell based disease remain a challenge due to the shared surface antigen pool between normal and malignant T-cells. Normal T-cells express CD5 but NK (natural killer) cells do not, positioning NK cells as attractive cytotoxicity cells for CD5CAR design. Additionally, CD5 is highly expressed in T cell acute lymphoblastic leukemia (T-ALL) and peripheral T cell lymphomas (PTCLs)...
January 11, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28070113/pharmacological-characterization-of-microminipig-as-a-model-to-assess-the-drug-induced-cardiovascular-responses-for-non-clinical-toxicity-and-or-safety-pharmacology-studies
#7
Hirofumi Yokoyama, Yuji Nakamura, Hiroyuki Saito, Yukitoshi Nagayama, Kiyotaka Hoshiai, Takeshi Wada, Hiroko Izumi-Nakaseko, Kentaro Ando, Yasuki Akie, Atsushi Sugiyama
We tried to establish the halothane-anesthetized microminipigs as an alternative animal model for non-clinical toxicity and/or safety pharmacology studies. In order to characterize the halothane-anesthetized microminipigs, we firstly clarified the effects of halothane anesthesia on their cardiovascular system (n = 5). Then, we examined the cardiovascular effects of dl-sotalol in doses of 0.1, 0.3 and 1 mg/kg, i.v. on the halothane-anesthetized microminipigs (n = 6). Induction of the halothane anesthesia by itself prolonged the QT interval as well as QTcF, suggesting that the halothane anesthesia can reduce the cardiac repolarization reserve in microminipigs like in dogs...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28066945/examination-time-as-a-quality-indicator-of-screening-upper-gastrointestinal-endoscopy-for-asymptomatic-examinees
#8
Takuji Kawamura, Hironori Wada, Naokuni Sakiyama, Yuki Ueda, Atsushi Shirakawa, Yusuke Okada, Kasumi Sanada, Kojiro Nakase, Koichiro Mandai, Azumi Suzuki, Mai Kamaguchi, Atsuhiro Morita, Kenichi Nishioji, Kiyohito Tanaka, Naomi Mochizuki, Koji Uno, Isao Yokota, Masao Kobayashi, Kenjiro Yasuda
BACKGROUND AND AIM: The significance of examination time of esophagogastroduodenoscopy (EGD) for asymptomatic examinees is yet to be established. We aimed to clarify whether endoscopists who allot more examination time can detect higher numbers of neoplastic lesions among asymptomatic examinees. METHODS: We reviewed a database of consecutive examinees who underwent EGD in our hospital from April 2010 to September 2015. Staff endoscopists were classified into fast, moderate, and slow groups based on the mean examination time of EGD without a biopsy...
January 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28065795/rational-identification-of-a-novel-soy-derived-anxiolytic-like-undecapeptide-acting-via-gut-brain-axis-after-oral-administration
#9
Ami Ota, Akane Yamamoto, Saeko Kimura, Yukiha Mori, Takafumi Mizushige, Yoshiki Nagashima, Masaru Sato, Hideyuki Suzuki, Saori Odagiri, Daisuke Yamada, Masayuki Sekiguchi, Keiji Wada, Ryuhei Kanamoto, Kousaku Ohinata
Here we found that the chymotryptic digest of soy β-conglycinin, a major storage protein, exhibited anxiolytic-like effects in mice. We then searched for anxiolytic-like peptides in the digest. Based on a comprehensive peptide analysis of the chymotryptic digest by high performance liquid chromatograph connected to an LTQ Orbitrap mass spectrometer and the structure-activity relationship of known peptides, we explored anxiolytic-like peptides present in the digest. FLSSTEAQQSY, which corresponds to 323-333 of the β-conglycinin α subunit [βCGα(323-333)] emerged as a candidate...
January 5, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28064436/mir-181b-5p-ets1-and-c-met-pathway-exacerbates-the-prognosis-of-pancreatic-ductal-adenocarcinoma-after-radiation-therapy
#10
Hideo Tomihara, Daisaku Yamada, Hidetoshi Eguchi, Yoshifumi Iwagami, Takehiro Noda, Tadafumi Asaoka, Hiroshi Wada, Koichi Kawamoto, Kunihito Gotoh, Yutaka Takeda, Masahiro Tanemura, Masaki Mori, Yuichiro Doki
Preoperative chemoradiation therapy (CRT) for pancreatic ductal adenocarcinoma (PDAC) has emerged as a reasonable strategy that shows good prognostic impact. However, after preoperative CRT, resected specimens exhibited remnant tumor cells, which indicated that some tumor cells had acquired or were selected for resistance to CRT. Recently, two oncological mechanisms, the epithelial-mesenchymal transition (EMT) and the presence of cancer stem cells (CSCs) were reported to be associated with resistance in various cancers...
January 8, 2017: Cancer Science
https://www.readbyqxmd.com/read/28064076/drospirenone-reduces-inflammatory-cytokines-vascular-endothelial-growth-factor-vegf-and-nerve-growth-factor-ngf-expression-in-human-endometriotic-stromal-cells
#11
Tomoko Makabe, Kaori Koga, Mariko Miyashita, Arisa Takeuchi, Fusako Sue, Ayumi Taguchi, Yoko Urata, Gentaro Izumi, Masashi Takamura, Miyuki Harada, Tetsuya Hirata, Yasushi Hirota, Osamu Wada-Hiraike, Tomoyuki Fujii, Yutaka Osuga
Drospirenone has been used as a progestin in oral contraceptives with ethinyl estradiol (DRSP/EE) and is expected to regulate endometriosis, however, the direct effects of drospirenone on endometriosis have not been clarified. The aim of this study was to evaluate the anti-inflammatory, anti-angiogenic and anti-neurogenic effects of drospirenone on endometriotic stromal cells (ESC). ESC isolated from endometriotic tissues were obtained from patients during laparoscopic surgery for ovarian endometriosis. ESC were exposed to IL-1β and cultured in the absence or presence of drospirenone...
December 29, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28063399/sleep-quality-among-elderly-high-altitude-dwellers-in-ladakh
#12
Ryota Sakamoto, Kiyohito Okumiya, Tsering Norboo, Norboo Tsering, Takayoshi Yamaguchi, Mitsuhiro Nose, Shinya Takeda, Toshihiro Tsukihara, Motonao Ishikawa, Shun Nakajima, Taizo Wada, Michiko Fujisawa, Hissei Imai, Yasuko Ishimoto, Yumi Kimura, Eriko Fukutomi, Wenling Chen, Kuniaki Otsuka, Kozo Matsubayashi
It has been already known that people who temporarily stay at high altitude may develop insomnia as a symptom of acute mountain sickness. However, much less is known about people living at high altitude. The aim of this study was to determine the effect of high altitude environment on sleep quality for the elderly who have been living at high altitude for their whole lives. A cross-sectional study was conducted in Domkhar valley at altitudes of 2800-4200m, Ladakh. Sleep quality was assessed using Insomnia Severity Index (ISI)...
December 29, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28062302/calcitonin-typical-suppression-of-osteoclastic-activity-by-amphioxus-calcitonin-superfamily-peptides-and-insights-into-the-evolutionary-conservation-and-diversity-of-their-structures
#13
Toshio Sekiguchi, Akira Shiraishi, Honoo Satake, Kenji Kuwasako, Hiroki Takahashi, Masayuki Sato, Makoto Urata, Shuichi Wada, Masato Endo, Takahiro Ikari, Atsuhiko Hattori, Ajai K Srivastav, Nobuo Suzuki
Calcitonin (CT) is a hormone that decreases serum calcium level by suppressing osteoclastic activity in the vertebrate bone. In vertebrates, the structure-function relationship of CTs has been studied extensively. We recently identified three CT superfamily peptides, Bf-CTFP1 to 3, and clarified the molecular and functional characteristics of their receptor and receptor activity-modifying protein in amphioxus, Branchiostoma floridae. However, the CT activity of Bf-CTFPs has yet to be investigated. In the present study, a functional analysis of Bf-CTFPs was performed using goldfish scales having both osteoclasts and osteoblasts...
January 3, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28060907/sex-differences-in-brain-thyroid-hormone-levels-during-early-post-hatching-development-in-zebra-finch-taeniopygia-guttata
#14
Shinji Yamaguchi, Shin Hayase, Naoya Aoki, Akihiko Takehara, Jun Ishigohoka, Toshiya Matsushima, Kazuhiro Wada, Koichi J Homma
Thyroid hormones are closely linked to the hatching process in precocial birds. Previously, we showed that thyroid hormones in brain had a strong impact on filial imprinting, an early learning behavior in newly hatched chicks; brain 3,5,3'-triiodothyronine (T3) peaks around hatching and imprinting training induces additional T3 release, thus, extending the sensitive period for imprinting and enabling subsequent other learning. On the other hand, blood thyroid hormone levels have been reported to increase gradually after hatching in altricial species, but it remains unknown how the brain thyroid hormone levels change during post-hatching development of altricial birds...
2017: PloS One
https://www.readbyqxmd.com/read/28059648/validation-of-effectiveness-of-keyhole-clipping-in-nonfrail-elderly-patients-with-unruptured-intracranial-aneurysms
#15
Kentaro Mori, Kojiro Wada, Naoki Otani, Arata Tomiyama, Terushige Toyooka, Kazuya Fujii, Kosuke Kumagai, Satoru Takeuchi, Satoshi Tomura, Takuji Yamamoto, Yasuaki Nakao, Hajime Arai
OBJECTIVE Advanced age is known to be associated with a poor prognosis after surgical clipping of unruptured intracranial aneurysms (UIAs). Keyhole clipping techniques have been introduced for less invasive treatment of UIAs. In this study, the authors compared the complications and clinical and radiological outcomes after keyhole clipping between nonfrail elderly patients (≥ 70 years) and nonelderly patients. METHODS Keyhole clipping (either supraorbital or pterional) was performed to treat 260 cases of relatively small (≤ 10 mm) anterior circulation UIAs...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28055331/review-of-ginkgo-biloba-induced-toxicity-from-experimental-studies-to-human-case-reports
#16
Nan Mei, Xiaoqing Guo, Zhen Ren, Daisuke Kobayashi, Keiji Wada, Lei Guo
Ginkgo biloba has been used as a traditional herbal remedy for many thousand years and its leaf extract has been consumed as a botanical dietary supplement for decades. Ginkgo biloba extract is a complex mixture with numerous components, including flavonol glycosides and terpene lactones, and is one of the most widely sold botanical dietary supplements worldwide. Concerns about potential health risks for the general population have been raised because of the widespread human exposure to Ginkgo biloba and its potential toxic and carcinogenic activities in rodents...
January 5, 2017: Journal of Environmental Science and Health. Part C, Environmental Carcinogenesis & Ecotoxicology Reviews
https://www.readbyqxmd.com/read/28054434/in-vitro-phase-i-metabolism-of-selective-estrogen-receptor-modulators-in-horse-using-ultra-high-performance-liquid-chromatography-high-resolution-mass-spectrometry
#17
Karen Y Kwok, George H M Chan, Wai Him Kwok, Jenny K Y Wong, Terence S M Wan
Selective estrogen receptor modulators (SERMs) are chemicals that possess the anti-oestrogenic activities that are banned "in" and "out" of competition by the World Anti-Doping Agency (WADA) in human sports, and by the International Federation of Horseracing Authorities (IFHA) in horseracing. SERMs can be used as performance enhancing drugs to boost the level of androgens or to compensate for the adverse effects as a result of extensive use of androgenic anabolic steroids (AASs). SERMs have indeed been abused in human sports; hence, a similar threat can be envisaged in horseracing...
January 5, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28051069/a-light-responsive-self-assembly-formed-by-a-cationic-azobenzene-derivative-and-sds-as-a-drug-delivery-system
#18
Shengyong Geng, Yuzhu Wang, Liping Wang, Tsutomu Kouyama, Toshiaki Gotoh, Satoshi Wada, Jin-Ye Wang
The structure of a self-assembly formed from a cationic azobenzene derivative, 4-cholesterocarbonyl-4'-(N,N,N-triethylamine butyloxyl bromide) azobenzene (CAB) and surfactant sodium dodecyl sulfate (SDS) in aqueous solution was studied by cryo-TEM and synchrotron radiation small-angle X-ray scattering (SAXS). Both unilamellar and multilamellar vesicles could be observed. CAB in vesicles were capable to undergo reversible trans-to-cis isomerization upon UV or visible light irradiation. The structural change upon UV light irradiation could be catched by SAXS, which demonstrated that the interlamellar spacing of the cis-multilamellar vesicles increased by 0...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28050748/development-of-diagnostic-techniques-for-early-rheumatoid-arthritis-using-positron-emission-tomography-with-11-c-pk11195-and-11-c-ketoprofen-tracers
#19
Satoshi Nozaki, Naoko Ozaki, Shinobu Suzuki, Miki Goto, Aya Mawatari, Yuka Nakatani, Emi Hayashinaka, Yasuhiro Wada, Hisashi Doi, Yasuyoshi Watanabe
PURPOSE: In vivo detection of pathological insults during the early stages of rheumatoid synovitis is essential to allow early anti-inflammatory treatment for prevention of joint destruction. Whether rheumatoid synovitis pathology and the efficacy of therapies can be visualized by positron emission tomography (PET) tracers specific to the inflammatory process was investigated. PROCEDURES: Using a collagen-induced experimental rat model of rheumatoid arthritis, in vivo imaging using the PET tracers [(11)C]PK11195, which binds to the translocator protein mainly expressed on myeloid cells, and [(11)C]ketoprofen, for cyclooxygenase imaging, was performed...
January 3, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28049948/abnormal-n-glycosylation-of-a-novel-missense-creatine-transporter-mutant-g561r-associated-with-cerebral-creatine-deficiency-syndromes-alters-transporter-activity-and-localization
#20
Tatsuki Uemura, Shingo Ito, Yusuke Ohta, Masanori Tachikawa, Takahito Wada, Tetsuya Terasaki, Sumio Ohtsuki
Cerebral creatine deficiency syndromes (CCDSs) are caused by loss-of-function mutations in creatine transporter (CRT, SLC6A8), which transports creatine at the blood-brain barrier and into neurons of the central nervous system (CNS). This results in low cerebral creatine levels, and patients exhibit mental retardation, poor language skills and epilepsy. We identified a novel human CRT gene missense mutation (c.1681 G>C, G561R) in Japanese CCDSs patients. The purpose of the present study was to evaluate the reduction of creatine transport in G561R-mutant CRT-expressing 293 cells, and to clarify the mechanism of its functional attenuation...
2017: Biological & Pharmaceutical Bulletin
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