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https://www.readbyqxmd.com/read/28721561/enbd-is-associated-with-decreased-tumor-dissemination-compared-to-ptbd-in-perihilar-cholangiocarcinoma
#1
Ryota Higuchi, Takehisa Yazawa, Shuichiro Uemura, Wataru Izumo, Rohan Jagat Chaudhary, Toru Furukawa, Masakazu Yamamoto
BACKGROUND: Little is known regarding the risk of tumor dissemination when percutaneous biliary drainage is used before surgical resection of perihilar cholangiocarcinoma (PHC). We aimed to compare the incidence of tumor dissemination after preoperative endoscopic nasobiliary drainage (ENBD) with that after percutaneous transhepatic biliary drainage (PTBD) for PHC. METHODS: Data from 208 consecutive patients who underwent PHC resection between 2000 and 2013 were retrospectively analyzed...
July 18, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28717219/versatile-functional-roles-of-horizontal-cells-in-the-retinal-circuit
#2
Taro Chaya, Akihiro Matsumoto, Yuko Sugita, Satoshi Watanabe, Ryusuke Kuwahara, Masao Tachibana, Takahisa Furukawa
In the retinal circuit, environmental light signals are converted into electrical signals that can be decoded properly by the brain. At the first synapse of the visual system, information flow from photoreceptors to bipolar cells is modulated by horizontal cells (HCs), however, their functional contribution to retinal output and individual visual function is not fully understood. In the current study, we investigated functional roles for HCs in retinal ganglion cell (RGC) response properties and optokinetic responses by establishing a HC-depleted mouse line...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28714588/cellular-force-assay-detects-altered-contractility-caused-by-a-nephritis-associated-mutation-in-nonmuscle-myosin-iia
#3
Shota P Fukuda, Tsubasa S Matsui, Takafumi Ichikawa, Taichi Furukawa, Noriyuki Kioka, Shuichiro Fukushima, Shinji Deguchi
Recent progress in understanding the essential roles of mechanical forces in regulating various cellular processes expands the field of biology to one where interdisciplinary approaches with engineering techniques become indispensable. Contractile forces or contractility-inherently present in proliferative cells due to the activity of ubiquitous nonmuscle myosin II (NMII)-are one of such mechano-regulators, but because NMII works downstream of diverse signaling pathways, it is often difficult to predict how the inherent cellular forces change upon perturbations to particular molecules...
July 17, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28707405/generation-of-biallelic-f0-mutants-in-medaka-using-the-crispr-cas9-system
#4
Rie Sawamura, Natsumi Osafune, Takahiro Murakami, Fumiya Furukawa, Takeshi Kitano
Several animal models generated by genome editing methods develop somatic mosaic mutations including wild-type genome sequence in F0 generation because it is difficult to use editing tools at the one-cell stage. Producing complete knockout animals quickly is a great advantage in determining the function of target genes. This study investigated the generation of F0 knockout medaka using the CRISPR/Cas9 system. To determine whether this editing system induced mutations in the medaka genome at the one-cell stage, recombinant Cas9 protein, tracrRNA and crRNA for dead end (dnd), which is essential for germ cell development, were injected into one-cell stage embryos of olvas-DsRedExpress transgenic medaka...
July 14, 2017: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/28707111/limiting-the-cost-of-mutualism-the-defensive-role-of-elongated-gynophore-in-the-leafflower-moth-mutualism
#5
Saori Furukawa, Atsushi Kawakita
Mutualisms are interactions from which both partners benefit but may collapse if mutualists' costs and benefits are not aligned. Host sanctions are one mechanism whereby hosts selectively allocate resources to the more cooperative partners and thereby reduce the fitness of overexploiters; however, many mutualisms lack apparent means of host sanctions. In mutualisms between plants and pollinating seed parasites, such as those between leafflowers and leafflower moths, pollinators consume subsets of the seeds as larval food in return for their pollination service...
July 14, 2017: Oecologia
https://www.readbyqxmd.com/read/28704973/the-mode-of-action-of-cyclo-l-ala-l-pro-in-inhibiting-aflatoxin-production-of-aspergillus-flavus
#6
Kurin Iimura, Tomohiro Furukawa, Toshiyoshi Yamamoto, Lumi Negishi, Michio Suzuki, Shohei Sakuda
Cyclo(l-Ala-l-Pro) inhibits aflatoxin production in aflatoxigenic fungi without affecting fungal growth. The mode of action of cyclo(l-Ala-l-Pro) in inhibiting aflatoxin production of Aspergillus flavus was investigated. A glutathione S-transferase (GST) of the fungus, designated AfGST, was identified as a binding protein of cyclo(l-Ala-l-Pro) in an experiment performed using cyclo(l-Ala-l-Pro)-immobilized Sepharose beads. Cyclo(l-Ala-l-Pro) specifically bound to recombinant AfGST and inhibited its GST activity...
July 12, 2017: Toxins
https://www.readbyqxmd.com/read/28698995/transradial-versus-transfemoral-approach-in-patients-undergoing-primary-percutaneous-coronary-intervention-for-st-elevation-acute-myocardial-infarction-insight-from-the-credo-kyoto-ami-registry
#7
Yugo Yamashita, Hiroki Shiomi, Takeshi Morimoto, Hidenori Yaku, Shuichiro Kaji, Yutaka Furukawa, Yoshihisa Nakagawa, Kenji Ando, Kazushige Kadota, Mitsuru Abe, Masaharu Akao, Kazuya Nagao, Satoshi Shizuta, Koh Ono, Takeshi Kimura
Recent randomized clinical trials demonstrated that transradial approach was a preferred approach for primary percutaneous coronary intervention (PCI) in ST-elevation acute myocardial infarction (STEMI). However, clinical outcomes of transradial approach in STEMI have not been adequately evaluated yet in the real-world practice, which includes hemodynamically unstable high-risk patients. We identified 3662 STEMI patients who had primary PCI within 24 h after symptom onset and were treated by transradial (N = 471) or transfemoral (N = 3191) approach in the CREDO-Kyoto AMI registry...
July 11, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28696798/severer-lupus-erythematosus-like-skin-lesions-in-mrl-lpr-mice-with-homozygous-kit-wsh-wsh-mutation
#8
Yutaka Inaba, Nobuo Kanazawa, Takashi Yoshimasu, Toshio Shimokawa, Mizuho Nosaka, Toshikazu Kondo, Fukumi Furukawa
OBJECTIVE: To clarify the roles of mast cells (MCs) on the pathogenesis of lupus erythematosus (LE)-like skin lesions on MRL/lpr mice. METHODS: MRL/lpr mice were mated with C57BL/6-Kit(wsh/wsh) mice and the heterozygous F1 mice were 10 times backcrossed with the parental MRL/lpr to generate MRL/lpr-Kit(wsh/wsh) mice. MC-deficient MRL/lpr-Kit(wsh/wsh) mice were compared with MRL/lpr-Kit(+/+) and MRL/lpr-Kit(wsh/+) mice with intact MCs. RESULTS: MRL/lpr-Kit(wsh/wsh) mice developed skin lesions without infiltrating MCs...
July 11, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28696176/interstitial-lung-disease-following-folfox-folfiri-and-bevacizumab-therapy-associated-with-leucovorin-a-case-report
#9
Satoru Mitsuboshi, Hiromi Kozakai, Hitoshi Yamada, Kazuhiko Nagai, Tomoyasu Furukawa, Kikuo Aizawa
Chemotherapy-induced interstitial lung disease in colorectal cancer patients is rare but represents a life-threatening adverse reaction. We report here a case of interstitial lung disease following chemotherapy for metastatic colorectal cancer and the interesting results of the drug-induced lymphocyte stimulation test and leukocyte migration test. After chemotherapy with oxaliplatin plus infusional 5-fluorouracil and leucovorin (FOLFOX) plus bevacizumab followed by irinotecan plus infusional 5-fluorouracil and leucovorin (FOLFIRI), the patient was hospitalized with fever and chills...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28694074/memory-b-cell-resurgence-requires-repeated-rituximab-in-myasthenia-gravis
#10
Kohei Muto, Naoko Matsui, Yuki Unai, Waka Sakai, Shotaro Haji, Kengo Udaka, Hirokazu Miki, Takahiro Furukawa, Masahiro Abe, Ryuji Kaji
The immunologic effects of rituximab (RTX) in myasthenia gravis (MG) remain to be explored. We aimed to clarify immunologic reactions and their association with response to RTX in MG. Regulatory T cell and B cell profiles of MG patients were monitored. Two patients presenting with generalized MG with anti-acetylcholine receptor antibodies were treated with RTX. The treatment led to sustained clinical improvement, discontinuation of intravenous immunoglobulin or plasma exchange, and reduction of prednisolone and other drugs...
June 21, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28693246/genetic-alterations-in-japanese-extrahepatic-biliary-tract-cancer
#11
Rei Noguchi, Kiyoshi Yamaguchi, Tsuneo Ikenoue, Yumi Terakado, Yasunori Ohta, Naohide Yamashita, Osamu Kainuma, Sana Yokoi, Yoshiaki Maru, Hiroki Nagase, Yoichi Furukawa
Biliary tract cancer (BTC) is one of the most devastating types of malignant neoplasms worldwide. However, the mechanisms underlying the development and progression of BTC remain unresolved. BTC includes extrahepatic bile duct carcinoma (EBDC), gallbladder carcinoma (GBC) and ampulla of Vater carcinoma (AVC), named according to the location of the tumor. Although genetic alterations of intrahepatic cholangiocarcinoma have been investigated, those of EBDC, GBC and AVC have not yet been fully understood. The present study analyzed somatic mutations of 50 cancer-associated genes in 27 Japanese BTC cells, including: 11 EBDC, 14 GBC and 2 AVC...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28693167/glasgow-prognostic-score-predicts-therapeutic-outcome-after-hepatic-resection-for-hepatocellular-carcinoma
#12
Hiroaki Shiba, Takashi Horiuchi, Taro Sakamoto, Kenei Furukawa, Yoshihiro Shirai, Tomonori Iida, Yuki Fujiwara, Koichiro Haruki, Katsuhiko Yanaga
Systemic inflammation, as evidenced by the Glasgow prognostic score (GPS), predicts cancer-specific survival in various cancer types. The aim of this study was to evaluate the significance of the GPS in the therapeutic outcome of the patient following surgical resection for hepatocellular carcinoma. In total, 144 patients underwent surgical resection for hepatocellular carcinoma. For the assessment of systemic inflammatory response using the GPS, patients were classified into three groups: Patients with normal serum albumin (<3...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28690284/association-between-waist-to-height-ratio-and-endothelial-dysfunction-in-patients-with-morbidity%C3%A3-a-report-from-the-fmd-j-study
#13
Akihiro Tokushige, Shinichiro Ueda, Hirofumi Tomiyama, Mituru Ohishi, Takahide Kohro, Yukihito Higashi, Bonpei Takase, Toru Suzuki, Tomoko Ishizu, Tsutomu Yamazaki, Tomoo Furumoto, Kazuomi Kario, Teruo Inoue, Shinji Koba, Yasuhiko Takemoto, Takuzo Hano, Masataka Sata, Yutaka Ishibashi, Koichi Node, Koji Maemura, Yusuke Ohya, Taiji Furukawa, Hiroshi Ito, Akira Yamashina
BACKGROUND: Waist circumference (WC), waist-to-height ratio (WHtR) and body mass index (BMI) are known as easy anthropometric markers of abnormal obesity and screening tools for predicting cardiovascular outcomes, but which indices are best is unclear. We therefore investigated the superiority and association between each index and low flow-mediated dilatation (FMD) as a surrogate marker for cardiovascular outcomes in patients with morbidity in a large Japanese prospective cohort.Methods and Results:A total of 1,645 Japanese patients who had coronary artery disease and hypertension or diabetes mellitus were enrolled, and 1,087 of them were analyzed...
July 7, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28690281/women-with-subclinical-hypothyroidism-are-at-low-risk-of-poor-pregnancy-outcome-in-japan
#14
Seishi Furukawa, Kazuko Miyakawa, Joichi Shibata, Mitsutoshi Iwashita
Maternal subclinical hypothyroidism may be associated with adverse pregnancy outcomes, although not consistently across regions. Here, we sought to determine the effect of elevated thyroid-stimulating hormone (TSH) on pregnancy outcomes in Japanese women without known medical complications. TSH was determined by dried blood spots at 8-20 weeks of gestation, and 3.0-10.0 μU/mL of TSH was considered as elevated TSH (eTSH). A retrospective study involving 167 cases of eTSH was conducted. Five hundred and seventy eight of controls with normal TSH and without thyroid antibodies were selected...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28690192/suppression-of-osteogenic-differentiation-in-mesenchymal-stem-cells-from-patients-with-ossification-of-the-posterior-longitudinal-ligament-by-a-histamine-2-receptor-antagonist
#15
Xizhe Liu, Gentaro Kumagai, Kanichiro Wada, Toshihiro Tanaka, Taku Fujita, Ayako Sasaki, Ken-Ichi Furukawa, Yasuyuki Ishibashi
Mesenchymal stem cells (MSCs) in ossification of the posterior longitudinal ligament (OPLL) patients have a high propensity toward osteogenesis. Histamine receptor H2 (H2R) antagonists (H2 blockers) like famotidine decrease ossification in patients, by an unclear mechanism. To confirm that MSCs express H2R and to clarify how H2 blockers suppress osteogenic differentiation, we used spinal-ligament MSCs from patients with OPLL or with cervical spondylotic myelopathy (CSM) (control). The MSCs were treated with 10, 30, or 100nM famotidine for 7 or 21 days...
July 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28688691/impact-of-combined-modality-treatment-with-radiotherapy-and-s-1-on-t2n0-laryngeal-cancer-possible-improvement-in-survival-through-the-prevention-of-second-primary-cancer-and-distant-metastasis
#16
Yosuke Kitani, Akira Kubota, Madoka Furukawa, Yukiko Hori, Yuko Nakayama, Tetsuo Nonaka, Nobutaka Mizoguchi, Yuka Kitani, Hiromitsu Hatakeyama, Nobuhiko Oridate
BACKGROUND: In patients with head and neck cancer, the management of second primary cancer (SPC) is particularly important for improving survival because of its high incidence and associated mortality. We evaluated the impact of combination chemotherapy on survival and SPC. METHOD: We retrospectively analyzed data from 49 patients treated with definitive radiation therapy (RT) for T2N0M0 laryngeal squamous cell carcinoma between 2003 and 2011. Among them, 22 patients received combined modality treatment with radiotherapy and S-1 (RT+CT group)...
August 2017: Oral Oncology
https://www.readbyqxmd.com/read/28682804/autopsy-cases-of-motorcyclists-dying-of-trauma-or-disease
#17
Arisa Takeda, Masahito Hitosugi, Satoshi Furukawa
We aimed to provide a better estimation of health-related motorcycle fatalities by comparing the backgrounds, mechanisms of injuries, and injury severity of victims who died of collision versus those who died of disease. We retrospectively analyzed autopsy records of 29 motorcyclists (mean age, 61.0 ± 21.0 years), none of whom had been driving under the influence of alcohol. Altogether, 22 (75.9%) had died of trauma, and 7 had died of disease. The disease-death victims were significantly older and had a significantly higher prevalence of a medical history compared with those with trauma-related death (100% vs 45...
July 6, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28681682/biomarker-for-nontuberculous-mycobacterial-pulmonary-disease-in-patients-with-rheumatoid-arthritis-anti-glycopeptidolipid-core-antigen-immunoglobulin-a-antibodies
#18
Kanako Iwata, Shomi Oka, Hirotaka Tsuno, Hiroshi Furukawa, Kota Shimada, Atsushi Hashimoto, Akiko Komiya, Naoyuki Tsuchiya, Masao Katayama, Shigeto Tohma
OBJECTIVE: Nontuberculous mycobacterial (NTM) pulmonary disease is occasionally associated with rheumatoid arthritis (RA), influencing the therapeutic strategy of RA. Since chronic lung diseases are frequently associated with RA, the diagnosis of NTM pulmonary disease is quite difficult in RA patients. Recently, a serological diagnostic test detecting serum immunoglobulin A against the glycopeptidolipid (GPL) core antigen was developed. We investigated the serum levels of anti-GPL antibodies in RA patients to determine the usefulness for detecting NTM pulmonary disease...
July 6, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28678242/low-ph-triggering-changes-in-peptide-secondary-structures
#19
Kaori Furukawa, Makoto Oba, Kotomi Toyama, George Ouma Opiyo, Yosuke Demizu, Masaaki Kurihara, Mitsunobu Doi, Masakazu Tanaka
We developed a novel methodology using cyclic α,α-disubstituted α-amino acids (dAAs) with an acetal-side chain to control peptide secondary structures. The introduction of cyclic dAAs into peptides contributed to the stabilization of peptide secondary structures as a helix, while an acidic treatment of peptides resulted in a marked conformational change.
July 5, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28676606/-iii-alpps-up-to-date
#20
Nozomu Sakai, Hiroaki Shimizu, Masayuki Ohtsuka, Hideyuki Yoshitomi, Katsunori Furukawa, Tsukasa Takayashiki, Shigetsugu Takano, Satoshi Kuboki, Daisuke Suzuki, Shingo Kagawa, Hiroyuki Nojima, Masaru Miyazaki
No abstract text is available yet for this article.
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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