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https://www.readbyqxmd.com/read/28922205/impact-of-advanced-age-on-survival-in-patients-undergoing-resection-of-hepatocellular-carcinoma-report-of-a-japanese-nationwide-survey
#1
Masaki Kaibori, Kengo Yoshii, Isao Yokota, Kiyoshi Hasegawa, Fumio Nagashima, Shoji Kubo, Masanori Kon, Namiki Izumi, Masumi Kadoya, Masatoshi Kudo, Takashi Kumada, Michiie Sakamoto, Osamu Nakashima, Yutaka Matsuyama, Tadatoshi Takayama, Norihiro Kokudo
OBJECTIVE: The impact of age on survival after hepatic resection for hepatocellular carcinoma (HCC) has not been thoroughly examined. We reviewed the data of a nationwide follow-up survey to determine the outcomes of hepatectomy for HCC in elderly patients. BACKGROUND: Management of malignant diseases in elderly patients has become a global clinical issue because of the increased life expectancy worldwide. Advancements in surgical techniques and perioperative management have reduced age-related contraindications for liver surgery...
September 15, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28913161/a-young-immunocompetent-patient-with-spontaneous-aspergillus-empyema-who-developed-severe-eosinophilia
#2
Fumiaki Kudo, Hiromitsu Ohta, Yoshiaki Nagai, Kentaro Minegishi, Shinichiro Koyama
Aspergillus empyema is usually reported as a complication of surgical procedures, and spontaneous cases are quite rare. Here, we describe the case of a 16-year-old man who suddenly developed dyspnea despite previously being healthy. Chest computed tomography showed multiple mass-containing cavity lesions, pneumothorax, and pleural effusion in the left thorax. Within 2 weeks, Aspergillus fumigatus grew from his pleural effusion, thus he was diagnosed with Aspergillus empyema. He also developed severe eosinophilia after admission, and was treated with anti-fungal drugs...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28912662/long-term-changes-in-muscles-around-the-knee-joint-after-acl-resection-in-rats-comparisons-of-acl-resected-contralateral-and-normal-limb
#3
Mahiro Ohno, Hiroto Fujiya, Katsumasa Goto, Mitsutoshi Kurosaka, Yuji Ogura, Kanaka Yatabe, Takaaki Kudo, Hajime Kobayashi, Hisateru Niki, Haruki Musha
The purpose of this study was to investigate the long-term effects of anterior cruciate ligament (ACL) resection on the morphological and contractile characteristics of rectus femoris (RF) and semimembranosus (SM) muscles in both injured and contralateral hindlimbs in rats. Wistar male rats (8-week old) were used. Rats were divided into two groups; ACL-resected and (sham-operated) control groups. Furthermore, right and left limbs of rats in the ACL-resected group were assigned as ACL-resected and contralateral groups, respectively, at 1 day, 1, 4, and 48 weeks after ACL resection...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28905338/endoscopic-ultrasound-guided-choledochoduodenostomy-with-novel-use-of-contrast-enhanced-harmonic-imaging
#4
Kosuke Minaga, Mamoru Takenaka, Ken Kamata, Takeshi Miyata, Kentaro Yamao, Hajime Imai, Masatoshi Kudo
No abstract text is available yet for this article.
September 13, 2017: Endoscopy
https://www.readbyqxmd.com/read/28904869/high-glucose-stimulates-expression-of-aldosterone-synthase-cyp11b2-and-secretion-of-aldosterone-in-human-adrenal-cells
#5
Hiroki Shimada, Naotaka Kogure, Erika Noro, Masataka Kudo, Kaori Sugawara, Ikuko Sato, Kyoko Shimizu, Makoto Kobayashi, Dai Suzuki, Rehana Parvin, Takako Saito-Ito, Akira Uruno, Akiko Saito-Hakoda, William E Rainey, Sadayoshi Ito, Atsushi Yokoyama, Akira Sugawara
Aldosterone synthase is the key rate-limiting enzyme in adrenal aldosterone production, and induction of its gene (CYP11B2) results in the progression of hypertension. As hypertension is a frequent complication among patients with diabetes, we set out to elucidate the link between diabetes mellitus and hypertension. We examined the effects of high glucose on CYP11B2 expression and aldosterone production using human adrenal H295R cells and a stable H295R cell line expressing a CYP11B2 5'-flanking region/luciferase cDNA chimeric construct...
September 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28904324/management-of-developmental-enamel-defects-in-the-primary-dentition
#6
Kanae Wada, Hanae Kanazawa, Mifune Kudo, Junko Kindaichi, Michiyo Miyashin
This study attempted to identify appropriate materials for restoration of enamel defects in the primary dentition, which were classified by severity and region with the modified developmental defects of enamel index. To identify the most appropriate materials, we used restorative materials to protect teeth and evaluated clinical outcomes of restoration. Three materials were used for restoration or repair after dislodgement of restorations. Our findings in this case suggest that, because of its durability and esthetic advantages, adhesive resin is beneficial for patients with enamel defects, particularly for restorations of less than two-thirds of the extent of the defect...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28899668/the-sp7-gene-is-required-for-maturation-of-osteoblast-linage-cells-in-medaka-oryzias-latipes-vertebral-column-development
#7
Yuki Azetsu, Keiji Inohaya, Yoshiro Takano, Masato Kinoshita, Mai Tasaki, Akira Kudo
Sp7 is a zinc finger transcription factor that is essential for osteoblast differentiation in mammals. To verify the characteristic features of osteoblast-lineage cells in teleosts, we established medaka sp7 mutants using a transcription activator-like effector nuclease (TALEN) genome editing system. These mutants showed severe defects in the formation of skeletal structures. In particular, the neural and the hemal arches were not formed, although the chordal centra were formed. Analysis of the transgenic medaka revealed that sp7 mutant had normal distribution of type X collagen a1 a (col10a1a)-positive osteoblast-like cells around the centrum and at the proximal region of the vertebral arch...
September 9, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28890524/diagnosis-and-management-of-patients-with-paroxysmal-sympathetic-hyperactivity-following-acute-brain-injuries-using-a-consensus-based-diagnostic-tool-a-single-institutional-case-series
#8
Shigeo Godo, Shigemi Irino, Atsuhiro Nakagawa, Yu Kawazoe, Motoo Fujita, Daisuke Kudo, Ryosuke Nomura, Hiroaki Shimokawa, Shigeki Kushimoto
Paroxysmal sympathetic hyperactivity (PSH) is a distinct syndrome of episodic sympathetic hyperactivities following severe acquired brain injury, characterized by paroxysmal transient fever, tachycardia, hypertension, tachypnea, excessive diaphoresis and specific posturing. PSH remains to be an under-recognized condition with a diagnostic pitfall especially in the intensive care unit (ICU) settings due to the high prevalence of concomitant diseases that mimic PSH. A consensus set of diagnostic criteria named PSH-Assessment Measure (PSH-AM) has been developed recently, which is consisted of two components: a diagnosis likelihood tool derived from clinical characteristics of PSH, and a clinical feature scale assigned to the severity of each sympathetic hyperactivity...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28889327/a-linkage-between-flowering-phenology-and-fruit-set-success-of-alpine-plant-communities-with-reference-to-the-seasonality-and-pollination-effectiveness-of-bees-and-flies
#9
Yuki Mizunaga, Gaku Kudo
To clarify the linkage between flowering phenology and pollination success in alpine plant communities, we quantified the seasonality of flower visitors, the temporal transition of floral resources, and the variation in pollination success of alpine plants in northern Japan. Bumble bees, syrphid flies, and non-syrphid flies were the predominant flower visitors. Foraging activity of bumble bees increased toward the late flowering period reflecting the life cycle of colony development. The activity of syrphid flies was sensitive to ambient temperature, while that of non-syrphid flies remained high throughout the season...
September 9, 2017: Oecologia
https://www.readbyqxmd.com/read/28884327/introductory-review-periostin-gene-and-protein-structure
#10
REVIEW
Akira Kudo
Although many studies have described the role of periostin in various diseases, the function of the periostin protein structures derived from alternative splicing and proteinase cleavage at the C-terminal remain unknown. Further experiments revealing the protein structures that are highly related to diseases are essential to understand the function of periostin in depth, which would accelerate its clinical application by establishing new approaches for curing intractable diseases. Furthermore, this understanding would enhance our knowledge of novel functions of periostin related to stemness and response to mechanical stress...
September 7, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28883615/development-of-new-experimental-platform-mars-multiple-artificial-gravity-research-system-to-elucidate-the-impacts-of-micro-partial-gravity-on-mice
#11
Dai Shiba, Hiroyasu Mizuno, Akane Yumoto, Michihiko Shimomura, Hiroe Kobayashi, Hironobu Morita, Miki Shimbo, Michito Hamada, Takashi Kudo, Masahiro Shinohara, Hiroshi Asahara, Masaki Shirakawa, Satoru Takahashi
This Japan Aerospace Exploration Agency project focused on elucidating the impacts of partial gravity (partial g) and microgravity (μg) on mice using newly developed mouse habitat cage units (HCU) that can be installed in the Centrifuge-equipped Biological Experiment Facility in the International Space Station. In the first mission, 12 C57BL/6 J male mice were housed under μg or artificial earth-gravity (1 g). Mouse activity was monitored daily via downlinked videos; μg mice floated inside the HCU, whereas artificial 1 g mice were on their feet on the floor...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28883291/evidence-and-topics-of-chemotherapy-for-hepatocellular-carcinoma
#12
Kazuomi Ueshima, Masatoshi Kudo
No abstract text is available yet for this article.
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28883252/switching-therapy-from-intravenous-landiolol-to-transdermal-bisoprolol-in-a-patient-with-thyroid-storm-complicated-by-decompensated-heart-failure-and-gastrointestinal-dysfunction
#13
Shigeo Godo, Yu Kawazoe, Hiroshi Ozaki, Motoo Fujita, Daisuke Kudo, Ryosuke Nomura, Hiroaki Shimokawa, Shigeki Kushimoto
Thyroid storm is a life-threatening disorder that remains a therapeutic challenge. Although β-blockers are the mainstay for treatment, their use can be challenging in cases complicated by rapid atrial fibrillation and decompensated heart failure. We present a case of thyroid storm-associated atrial fibrillation and decompensated heart failure complicated by gastrointestinal dysfunction secondary to diffuse peritonitis that was successfully managed by a switching therapy, in which the continuous intravenous administration of landiolol was changed to bisoprolol via transdermal patch, in the acute phase treatment...
September 6, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28874700/contribution-of-c1485t-mutation-in-the-hbx-gene-to-human-and-murine-hepatocarcinogenesis
#14
Satoru Hagiwara, Naoshi Nishida, Ah-Mee Park, Yoriaki Komeda, Toshiharu Sakurai, Tomohiro Watanabe, Masatoshi Kudo
Although Hepatitis B virus (HBV) X gene mutations are frequently detected in HBV-related human hepatocellular carcinoma (HCC) patients, causative HBx mutations in the development of HCC have not yet been determined. We herein identified C1485T and C1653T mutations in the HBx gene as independent risk of HCC for HBV through the analysis using serum from chronic hepatitis B patients. We generated transgenic mice expressing wild-type (WT-HBxTg) and mutant (C1485T-HBxTg) HBx to assess the carcinogenic potential of mutated HBx...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28872820/selective-inactivation-of-bacteriophage-in-the-presence-of-bacteria-by-use-of-ground-rh-doped-srtio3-photocatalyst-and-visible-light
#15
Yuichi Yamaguchi, Sho Usuki, Yoshihiro Kanai, Kenji Yamatoya, Norihiro Suzuki, Ken-Ichi Katsumata, Chiaki Terashima, Tomonori Suzuki, Akira Fujishima, Hideki Sakai, Akihiko Kudo, Kazuya Nakata
Bacteriophage (denoted as phage) infection in the bacterial fermentation industry is a major problem, leading to the loss of fermented products such as alcohol and lactic acid. Currently, the prevention of phage infection is limited to biological approaches, which are difficult to apply in an industrial setting. Herein, we report an alternative chemical approach using ground Rh-doped SrTiO3 (denoted as g-STO:Rh) as a visible-light-driven photocatalyst. The g-STO:Rh showed selective inactivation of phage without bactericidal activity when irradiated with visible light (λ > 440 nm)...
September 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28872296/development-of-selective-peptide-catalysts-with-secondary-structural-frameworks
#16
Kengo Akagawa, Kazuaki Kudo
Enzymes are biogenic catalysts that enable the vital activity of organisms. Enzymes promote reactions in a selective manner with a high level of substrate recognition ability. The development of such a sophisticated catalyst has been one of the goals for chemists. A synthetic peptide is the prime candidate to realize an enzyme-like catalyst. Considering that the catalytic function of enzymes derives from their molecular structures, the key for the creation of a peptide catalyst might be the introduction of a specific three-dimensional structure...
September 5, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28870596/common-and-specific-risk-factors-for-ischemic-stroke-in-elderly-differences-based-on-type-of-ischemic-stroke-and-aging
#17
Sayato Fukui, Ryoko Imazeki, Yu Amano, Yousuke Kudo, Kazumitsu Amari, Masahiro Yamamoto, Kikue Todoroki, Yoshimori Ikeya, Takashi Okazaki, Noriharu Yanagimachi, Toru Shizuma, Naoto Fukuyama, Ken Johkura, Hidezo Mori
BACKGROUND: The risk factors among the types of ischemic stroke (atherothrombotic cerebral infarction: ATI, cardio-embolic infarction: CEI, lacunar infarction: LI) in aged stroke patients have rarely been compared to each other. METHODS: We compared the clinical parameters of 300 elderly patients with ischemic stroke, age 65-98years, to 100 age-matched control patients. RESULTS: Comparison by parametric test and logistic regression analysis between all 300 and 100 control patients showed higher systolic and diastolic blood pressures (p<0...
September 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28869970/competing-memories-of-mitogen-and-p53-signalling-control-cell-cycle-entry
#18
Hee Won Yang, Mingyu Chung, Takamasa Kudo, Tobias Meyer
Regulation of cell proliferation is necessary for immune responses, tissue repair, and upkeep of organ function to maintain human health. When proliferating cells complete mitosis, a fraction of newly born daughter cells immediately enter the next cell cycle, while the remaining cells in the same population exit to a transient or persistent quiescent state. Whether this choice between two cell-cycle pathways is due to natural variability in mitogen signalling or other underlying causes is unknown. Here we show that human cells make this fundamental cell-cycle entry or exit decision based on competing memories of variable mitogen and stress signals...
September 6, 2017: Nature
https://www.readbyqxmd.com/read/28869801/japanese-genome-wide-association-study-identifies-a-significant-colorectal-cancer-susceptibility-locus-at-chromosome-10p14
#19
Yusuke Takahashi, Keishi Sugimachi, Ken Yamamoto, Atsushi Niida, Teppei Shimamura, Tetsuya Sato, Masahiko Watanabe, Junichi Tanaka, Shinei Kudo, Kenichi Sugihara, Kazuo Hase, Masato Kusunoki, Kazutaka Yamada, Yasuhiro Shimada, Yoshihiro Moriya, Yutaka Suzuki, Satoru Miyano, Masaki Mori, Koshi Mimori
Genome wide association studies are a powerful tool for searching for disease susceptibility loci. Several studies identifying SNPs connected intimately to the onset of colorectal cancer (CRC) have been published, but there are few reports of genome-wide association studies in Japan. To identify genetic variants that modify the risk of CRC oncogenesis, especially in the Japanese population, we performed a multi-stage genome wide association study using a large number of samples: 1,846 CRC cases and 2,675 controls...
September 4, 2017: Cancer Science
https://www.readbyqxmd.com/read/28869713/substrate-recognition-by-a-dual-function-p450-monooxygenase-gfsf-involved-in-fd-891-biosynthesis
#20
Akimasa Miyanaga, Ryuichi Takayanagi, Takashi Furuya, Ayano Kawamata, Tomohiro Itagaki, Yoshiharu Iwabuchi, Naoki Kanoh, Fumitaka Kudo, Tadashi Eguchi
GfsF is a multifunctional P450 monooxygenase that catalyzes epoxidation and subsequent hydroxylation in the biosynthesis of macrolide polyketide FD-891. Here, we describe the biochemical and structural analysis of GfsF. To obtain the structural basis of a dual-function reaction, we determined the crystal structure of ligand-free GfsF, which revealed GfsF to have a predominantly hydrophobic substrate binding pocket. The docking models, in conjunction with the results of the enzymatic assay with substrate analogues and site-directed mutagenesis suggested two distinct substrate binding modes for epoxidation and hydroxylation reactions, which explained how GfsF regulates the order of two oxidative reactions...
September 4, 2017: Chembiochem: a European Journal of Chemical Biology
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