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S Furukawa

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https://www.readbyqxmd.com/read/28632647/high-osteogenic-potential-of-adipose-and-muscle-derived-mesenchymal-stem-cells-in-spinal-ossification-model-mice
#1
Xizhe Liu, Gentaro Kumagai, Kanichiro Wada, Toshihiro Tanaka, Toru Asari, Kazuki Oishi, Taku Fujita, Hiroki Mizukami, Ken-Ichi Furukawa, Yasuyuki Ishibashi
STUDY DESIGN: Basic experiments in a mouse model of ossification of the posterior longitudinal ligament (OPLL). OBJECTIVE: To assess the osteogenic potential of mesenchymal stem cells (MSCs) obtained from muscle and adipose tissue in Tiptoe-walking (ttw) mice, in which cervical OPLL compresses the spinal cord and causes motor and sensory dysfunction. SUMMARY OF BACKGROUND DATA: In humans, MSCs have been implicated in the pathogenesis of cervical OPLL...
June 19, 2017: Spine
https://www.readbyqxmd.com/read/28629919/comparing-pulmonary-nodule-location-during-electromagnetic-bronchoscopy-with-predicted-location-based-on-two-virtual-airway-maps-at-different-phases-of-respiration
#2
Brian S Furukawa, Nicholas J Pastis, Nichole T Tanner, Alexander Chen, Gerard A Silvestri
BACKGROUND: Electromagnetic navigational bronchoscopy (ENB) is guided-bronchoscopy to pulmonary nodules (PN) which relies on a pre-procedural chest CT to create a 3-dimensional (3-D) virtual airway map. The CT is traditionally done at a full inspiratory breath hold (INSP) but the procedure is performed while the patient tidal breaths, where lung volumes are closer to functional residual capacity. Movement of a PN from INSP to expiration (EXP) has been shown to average 17.6 mm. Therefore, the hypothesis of this study is that pre-procedural virtual maps built off a CT closer to physiological lung volumes during bronchoscopy may better represent the actual 3-D location of a PN...
June 16, 2017: Chest
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/28496107/cd163-cd204-tumor-associated-macrophages-contribute-to-t-cell-regulation-via-interleukin-10-and-pd-l1-production-in-oral-squamous-cell-carcinoma
#5
Keigo Kubota, Masafumi Moriyama, Sachiko Furukawa, Haque A S M Rafiul, Yasuyuki Maruse, Teppei Jinno, Akihiko Tanaka, Miho Ohta, Noriko Ishiguro, Masaaki Yamauchi, Mizuki Sakamoto, Takashi Maehara, Jun-Nosuke Hayashida, Shintaro Kawano, Tamotsu Kiyoshima, Seiji Nakamura
Tumor-associated macrophages (TAMs) promote cancer cell proliferation, invasion, and metastasis by producing various mediators. Although preclinical studies demonstrated that TAMs preferentially express CD163 and CD204, the TAM subsets in oral squamous cell carcinoma (OSCC) remain unknown. In this study, we examined the expression and role of TAM subsets in OSCC. Forty-six patients with OSCC were analyzed for expression of TAMs in biopsy samples by immunohistochemistry. We examined TAM subsets and their production of immune suppressive molecules (IL-10 and PD-L1) in peripheral blood mononuclear cells from three OSCC patients by flow cytometry...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28484901/racemization-of-valine-by-impact-induced-heating
#6
Yoshihiro Furukawa, Atsushi Takase, Toshimori Sekine, Takeshi Kakegawa, Takamichi Kobayashi
Homochirality plays an important role in all living organisms but its origin remains unclear. It also remains unclear whether such chiral molecules survived terrestrial heavy impact events. Impacts of extraterrestrial objects on early oceans were frequent and could have affected the chirality of oceanic amino acids when such amino acids accumulated during impacts. This study investigated the effects of shock-induced heating on enantiomeric change of valine with minerals such as olivine ([Mg0.9, Fe0.1]2SiO4), hematite (Fe2O3), and calcite (CaCO3)...
May 9, 2017: Origins of Life and Evolution of the Biosphere
https://www.readbyqxmd.com/read/28481921/low-sodium-diet-induces-atherogenesis-regardless-of-lowering-blood-pressure-in-hypertensive-hyperlipidemic-mice
#7
Fernanda B Fusco, Diego J Gomes, Kely C S Bispo, Veronica P Toledo, Denise F Barbeiro, Vera L Capelozzi, Luzia N S Furukawa, Ana P P Velosa, Walcy R Teodoro, Joel C Heimann, Eder C R Quintao, Marisa Passarelli, Edna R Nakandakare, Sergio Catanozi
This study investigated the influence of sodium restriction and antihypertensive drugs on atherogenesis utilizing hypertensive (H) low-density lipoprotein-receptor knockout mice treated or not with losartan (Los) or hydralazine (Hyd) and fed low-sodium (LS) or normal-sodium (NS) chow. Despite reducing the blood pressure (BP) of H-LS mice, the LS diet caused arterial lipid infiltration due to increased plasma total cholesterol (TC) and triglycerides (TG). Los and Hyd reduced the BP of H-LS mice, and Los effectively prevented arterial injury, likely by reducing plasma TG and nonesterified fatty acids...
2017: PloS One
https://www.readbyqxmd.com/read/28468946/novel-mode-of-antagonist-binding-in-nmda-receptors-revealed-by-the-crystal-structure-of-the-glun1-glun2a-ligand-binding-domain-complexed-to-nvp-aam077
#8
Annabel Romero-Hernandez, Hiro Furukawa
Competitive antagonists against N-methyl-D-aspartate (NMDA) receptors have played critical roles throughout the history of neuropharmacology and basic neuroscience. There are currently numerous NMDA receptor antagonists containing a variety of chemical groups. Among those compounds, a GluN2-specific antagonist, (R)-[(S)-1-(4-bromo-phenyl)-ethylamino]-(2,3-dioxo-1,2,3,4-tetrahydroquinoxalin-5-yl)-methyl-phosphonic acid (NVP-AAM077), contains a unique combination of a dioxoquinoxalinyl ring, a bromophenyl group, and a phosphono group...
July 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28462973/photopatterning-of-fluorescent-host-guest-carriers-through-pore-activation-of-metal-organic-framework-single-crystals
#9
I Stassen, I Boldog, C Steuwe, D De Vos, M Roeffaers, S Furukawa, R Ameloot
Encoded fluorescent particles are fabricated through the selective uptake of dyes in photopatterned metal-organic framework single crystals. The concept is based on spatially controlled photochemical cleavage of pore-blocking pendant groups. Because of the crystalline and porous nature of the host, this approach enables guest uptake that is tunable and can be triggered though controlled irradiation.
May 2, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28431893/proficiency-testing-with-uncertainty-evaluation-for-measuring-activities-per-unit-mass-of-134-cs-and-137-cs-in-brown-rice-in-japan
#10
R Furukawa, Y Unno, T Miura, A Yunoki, M Hachinohe, S Hamamatsu, H Itadzu, M Mizui
In Japan, we conducted proficiency testing of activity measurement by using high-purity germanium detectors for (134)Cs and (137)Cs in brown rice grains. Among 176 reported results, 86 % (for (134)Cs) and 93 % (for (137)Cs) of the results satisfied |En| ≦ 1. However, 58 reports for (134)Cs and 51 reports for (137)Cs had some failures in their evaluations of uncertainties. The proficiency testing was effective to improve the ability of uncertainty evaluation.
August 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28422173/critical-involvement-of-zeb2-in-collagen-fibrillogenesis-the-molecular-similarity-between-mowat-wilson-syndrome-and-ehlers-danlos-syndrome
#11
Mika Teraishi, Mikiro Takaishi, Kimiko Nakajima, Mitsunori Ikeda, Yujiro Higashi, Shinji Shimoda, Yoshinobu Asada, Atsushi Hijikata, Osamu Ohara, Yoko Hiraki, Seiji Mizuno, Toshiyuki Fukada, Takahisa Furukawa, Nobuaki Wakamatsu, Shigetoshi Sano
Mowat-Wilson syndrome (MOWS) is a congenital disease caused by de novo heterozygous loss of function mutations or deletions of the ZEB2 gene. MOWS patients show multiple anomalies including intellectual disability, a distinctive facial appearance, microcephaly, congenital heart defects and Hirschsprung disease. However, the skin manifestation(s) of patients with MOWS has not been documented in detail. Here, we recognized that MOWS patients exhibit many Ehlers-Danlos syndrome (EDS)-like symptoms, such as skin hyperextensibility, atrophic scars and joint hypermobility...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28414752/an-angiogenesis-platform-using-a-cubic-artificial-eggshell-with-patterned-blood-vessels-on-chicken-chorioallantoic-membrane
#12
Wenjing Huang, Makoto Itayama, Fumihito Arai, Katsuko S Furukawa, Takashi Ushida, Tomohiro Kawahara
The chorioallantoic membrane (CAM) containing tiny blood vessels is an alternative to large animals for studies involving angiogenesis and tissue engineering. However, there is no technique to design the direction of growing blood vessels on the CAM at the microscale level for tissue engineering experiments. Here, a methodology is provided to direct blood vessel formation on the surface of a three-dimensional egg yolk using a cubic artificial eggshell with six functionalized membranes. A structure on the lateral side of the eggshell containing a straight channel and an interlinked chamber was designed, and the direction and formation area of blood vessels with blood flow was artfully defined by channels with widths of 70-2000 μm, without sharply reducing embryo viability...
2017: PloS One
https://www.readbyqxmd.com/read/28408720/water-harvesting-from-air-with-metal-organic-frameworks-powered-by-natural-sunlight
#13
Hyunho Kim, Sungwoo Yang, Sameer R Rao, Shankar Narayanan, Eugene A Kapustin, Hiroyasu Furukawa, Ari S Umans, Omar M Yaghi, Evelyn N Wang
Atmospheric water is a resource equivalent to ~10% of all fresh water in lakes on Earth. However, an efficient process for capturing and delivering water from air, especially at low humidity levels (down to 20%), has not been developed. We report the design and demonstration of a device based on a porous metal-organic framework {MOF-801, [Zr6O4(OH)4(fumarate)6]} that captures water from the atmosphere at ambient conditions by using low-grade heat from natural sunlight at a flux of less than 1 sun (1 kilowatt per square meter)...
April 28, 2017: Science
https://www.readbyqxmd.com/read/28402012/stable-ni-ii-porphyrin-meso-oxy-radical-with-a-quartet-ground-state
#14
Cosima Stähler, Daiki Shimizu, Kota Yoshida, Ko Furukawa, Rainer Herges, Atsuhiro Osuka
10,15,20-Tris(pentafluorophenyl)-substituted Ni(II) -porphyrin meso-oxy radical bearing two coordinating pyridines was synthesized as a stable radical with a quartet ground state (S=3/2). X-ray structural analysis revealed that the Ni(II) porphyrin moiety is fairly planar and the Ni-N bond lengths are considerably longer, indicating the high-spin state of the Ni(II) center. The radical exhibited a quartet ground state, indicating the ferromagnetic interaction between the high-spin Ni(II) center (S=1) and the porphyrin meso-oxy radical (S=1/2)...
April 12, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28323019/comparison-of-perceptual-properties-of-auditory-streaming-between-spectral-and-amplitude-modulation-domains
#15
Shimpei Yamagishi, Sho Otsuka, Shigeto Furukawa, Makio Kashino
The two-tone sequence (ABA_), which comprises two different sounds (A and B) and a silent gap, has been used to investigate how the auditory system organizes sequential sounds depending on various stimulus conditions or brain states. Auditory streaming can be evoked by differences not only in the tone frequency ("spectral cue": ΔFTONE, TONE condition) but also in the amplitude modulation rate ("AM cue": ΔFAM, AM condition). The aim of the present study was to explore the relationship between the perceptual properties of auditory streaming for the TONE and AM conditions...
March 18, 2017: Hearing Research
https://www.readbyqxmd.com/read/28259708/oral-aversion-to-dietary-sugar-ethanol-and-glycerol-correlates-with-alterations-in-specific-hepatic-metabolites-in-a-mouse-model-of-human-citrin-deficiency
#16
Takeyori Saheki, Kanako Inoue, Hiromi Ono, Yuki Fujimoto, Sumie Furuie, Ken-Ichi Yamamura, Eishi Kuroda, Miharu Ushikai, Akihiro Asakawa, Akio Inui, Kazuhiro Eto, Takashi Kadowaki, Mitsuaki Moriyama, David S Sinasac, Takashi Yamamoto, Tatsuhiko Furukawa, Keiko Kobayashi
Mice carrying simultaneous homozygous mutations in the genes encoding citrin, the mitochondrial aspartate-glutamate carrier 2 (AGC2) protein, and mitochondrial glycerol-3-phosphate dehydrogenase (mGPD), are a phenotypically representative model of human citrin (a.k.a., AGC2) deficiency. In this study, we investigated the voluntary oral intake and preference for sucrose, glycerol or ethanol solutions by wild-type, citrin (Ctrn)-knockout (KO), mGPD-KO, and Ctrn/mGPD double-KO mice; all substances that are known or suspected precipitating factors in the pathogenesis of human citrin deficiency...
February 14, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28224561/radical-resection-of-a-primary-unresectable-duodenal-cancer-after-chemotherapy-using-s-1-and-cisplatin-report-of-a-case
#17
Masaru Kanehira, Yasuro Futagawa, Kenei Furukawa, Hiroaki Shiba, Tadashi Uwagawa, Katsuhiko Yanaga
BACKGROUND: Therapeutic outcomes and prognosis of primary unresectable duodenal cancer remains unsatisfactory, because effective chemotherapy is not established. CASE PRESENTATION: A 71-year-old male diagnosed with unresectable duodenal carcinoma with distant lymph node metastases was judged inoperable (cT3N2M1 cStage in UICC(7th)). Duodenal obstruction developed due to tumor growth, and the patient underwent laparoscopic gastro-jejunostomy and then combined chemotherapy using S-1 and cisplatin...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28193873/two-types-of-amorphous-protein-particles-facilitate-crystal-nucleation
#18
Tomoya Yamazaki, Yuki Kimura, Peter G Vekilov, Erika Furukawa, Manabu Shirai, Hiroaki Matsumoto, Alexander E S Van Driessche, Katsuo Tsukamoto
Nucleation, the primary step in crystallization, dictates the number of crystals, the distribution of their sizes, the polymorph selection, and other crucial properties of the crystal population. We used time-resolved liquid-cell transmission electron microscopy (TEM) to perform an in situ examination of the nucleation of lysozyme crystals. Our TEM images revealed that mesoscopic clusters, which are similar to those previously assumed to consist of a dense liquid and serve as nucleation precursors, are actually amorphous solid particles (ASPs) and act only as heterogeneous nucleation sites...
February 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28190660/overview-of-biobank-japan-follow-up-data-in-32-diseases
#19
REVIEW
Makoto Hirata, Akiko Nagai, Yoichiro Kamatani, Toshiharu Ninomiya, Akiko Tamakoshi, Zentaro Yamagata, Michiaki Kubo, Kaori Muto, Yutaka Kiyohara, Taisei Mushiroda, Yoshinori Murakami, Koichiro Yuji, Yoichi Furukawa, Hitoshi Zembutsu, Toshihiro Tanaka, Yozo Ohnishi, Yusuke Nakamura, Koichi Matsuda
BACKGROUND: We established a patient-oriented biobank, BioBank Japan, with information on approximately 200,000 patients, suffering from any of 47 common diseases. This follow-up survey focused on 32 diseases, potentially associated with poor vital prognosis, and collected patient survival information, including cause of death. We performed a survival analysis for all subjects to get an overview of BioBank Japan follow-up data. METHODS: A total of 141,612 participants were included...
March 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28190657/cross-sectional-analysis-of-biobank-japan-clinical-data-a-large-cohort-of-200-000-patients-with-47-common-diseases
#20
Makoto Hirata, Yoichiro Kamatani, Akiko Nagai, Yutaka Kiyohara, Toshiharu Ninomiya, Akiko Tamakoshi, Zentaro Yamagata, Michiaki Kubo, Kaori Muto, Taisei Mushiroda, Yoshinori Murakami, Koichiro Yuji, Yoichi Furukawa, Hitoshi Zembutsu, Toshihiro Tanaka, Yozo Ohnishi, Yusuke Nakamura, Koichi Matsuda
BACKGROUND: To implement personalized medicine, we established a large-scale patient cohort, BioBank Japan, in 2003. BioBank Japan contains DNA, serum, and clinical information derived from approximately 200,000 patients with 47 diseases. Serum and clinical information were collected annually until 2012. METHODS: We analyzed clinical information of participants at enrollment, including age, sex, body mass index, hypertension, and smoking and drinking status, across 47 diseases, and compared the results with the Japanese database on Patient Survey and National Health and Nutrition Survey...
March 2017: Journal of Epidemiology
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