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https://www.readbyqxmd.com/read/29334307/regorafenib-regresses-an-imatinib-resistant-recurrent-gastrointestinal-stromal-tumor-gist-with-a-mutation-in-exons-11-and-17-in-a-patient-derived-orthotopic-xenograft-pdox-nude-mouse-model
#1
Kentaro Miyake, Kei Kawaguchi, Tasuku Kiyuna, Masuyo Miyake, Kentaro Igarashi, Zhiying Zhang, Takashi Murakami, Yunfeng Li, Scott D Nelson, Irmina Elliott, Tara Russell, Arun Singh, Yukihiko Hiroshima, Masashi Momiyama, Ryusei Matsuyama, Takashi Chisima, Itaru Endo, Fritz C Eilber, Robert M Hoffman
Gastrointestinal stromal tumor (GIST) is a rare type of sarcoma. The aim of this study was to determine drug sensitivity for a regionally-recurrent case of GIST using a patient-derived orthotopic xenograft (PDOX) model. The PDOX model was established in the anterior wall of the stomach. GIST PDOX models were randomized into 5 groups of 6 mice each when the tumor volume reached 60 mm3: G1, control group; G2, imatinib group (oral administration (p.o.), daily, for 3 weeks); G3, sunitinib group (p.o., daily, for 3 weeks); G4, regorafenib (p...
January 15, 2018: Cell Cycle
https://www.readbyqxmd.com/read/29333637/increased-free-zn2-correlates-induction-of-sarco-endo-plasmic-reticulum-stress-via-altered-expression-levels-of-zn2-transporters-in-heart-failure
#2
Yusuf Olgar, Aysegul Durak, Erkan Tuncay, Ceylan Verda Bitirim, Evren Ozcinar, Mustafa Bahadir Inan, Zeynep Tokcaer-Keskin, Kamil Can Akcali, Ahmet Ruchan Akar, Belma Turan
Zn2+ -homoeostasis including free Zn2+ ([Zn2+ ]i ) is regulated through Zn2+ -transporters and their comprehensive understanding may be important due to their contributions to cardiac dysfunction. Herein, we aimed to examine a possible role of Zn2+ -transporters in the development of heart failure (HF) via induction of ER stress. We first showed localizations of ZIP8, ZIP14 and ZnT8 to both sarcolemma and S(E)R in ventricular cardiomyocytes (H9c2 cells) using confocal together with calculated Pearson's coefficients...
January 15, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29333573/simultaneous-site-directed-mutagenesis-of-duplicated-loci-in-soybean-using-a-single-guide-rna
#3
Yuhei Kanazashi, Aya Hirose, Ippei Takahashi, Masafumi Mikami, Masaki Endo, Sakiko Hirose, Seiichi Toki, Akito Kaga, Ken Naito, Masao Ishimoto, Jun Abe, Tetsuya Yamada
Using a gRNA and Agrobacterium-mediated transformation, we performed simultaneous site-directed mutagenesis of two GmPPD loci in soybean. Mutations in GmPPD loci were confirmed in at least 33% of T2 seeds. The clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated endonuclease 9 (Cas9) system is a powerful tool for site-directed mutagenesis in crops. Using a single guide RNA (gRNA) and Agrobacterium-mediated transformation, we performed simultaneous site-directed mutagenesis of two homoeologous loci in soybean (Glycine max), GmPPD1 and GmPPD2, which encode the orthologs of Arabidopsis thaliana PEAPOD (PPD)...
January 15, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29330835/international-guidelines-for-groin-hernia-management
#4
(no author information available yet)
INTRODUCTION: Worldwide, more than 20 million patients undergo groin hernia repair annually. The many different approaches, treatment indications and a significant array of techniques for groin hernia repair warrant guidelines to standardize care, minimize complications, and improve results. The main goal of these guidelines is to improve patient outcomes, specifically to decrease recurrence rates and reduce chronic pain, the most frequent problems following groin hernia repair. They have been endorsed by all five continental hernia societies, the International Endo Hernia Society and the European Association for Endoscopic Surgery...
January 12, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29330705/association-between-skeletal-morphology-and-agenesis-of-all-four-third-molars-in-japanese-orthodontic-patients
#5
Yoshiko Sugiki, Yoshiki Kobayashi, Miwa Uozu, Toshiya Endo
The purpose of this study was to clarify differences in skeletal morphologies between male and female orthodontic patients with and without agenesis of all four third molars. A total of 64 patients (32 males and 32 females) with agenesis of all four third molars without agenesis of other teeth were selected as the third molars agenesis group (group 1). In addition, 64 patients (32 males and 32 females) with all these teeth were selected as controls (group 2). Lateral cephalograms taken between the ages of 14 and 30 years were used to compare skeletal morphology between groups 1 and 2 and between sexes...
January 12, 2018: Odontology
https://www.readbyqxmd.com/read/29327585/photoinduced-generation-of-acyl-radicals-from-simple-aldehydes-access-to-3-acyl-4-arylcoumarin-derivatives-and-evaluation-of-their-antiandrogenic-activities
#6
Kazuki Kawaai, Tomoaki Yamaguchi, Eiji Yamaguchi, Satoshi Endo, Norihiro Tada, Akira Ikari, Akichika Itoh
A novel photocatalysis to construct the 3-acyl-4-arylcoumarin framework from simple aldehyde with ynoate is described. The reac-tion proceeded through an acyl radical intermediate generated by hydrogen atom abstraction from aldehyde followed by reaction with ynoate and then cyclization to afford coumarins. This valuable radical cyclization reaction gave over 20 coumarin derivatives in moderate to good yields with inexpensive 2-tBu-anthraquinone as a catalyst. In addition, synthetic coumarins were investigated for 5α-dihydrotestosterone (DHT)-induced secretion of prostate-specific antigen (PSA) levels and cell proliferation of androgen-dependent CWR22Rv1 cells...
January 12, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29327389/multivariate-analysis-of-variations-in-intrinsic-foot-musculature-among-hominoids
#7
Motoharu Oishi, Naomichi Ogihara, Daisuke Shimizu, Yasuhiro Kikuchi, Hideki Endo, Yumi Une, Satoshi Soeta, Hajime Amasaki, Nobutsune Ichihara
Comparative analysis of the foot muscle architecture among extant great apes is important for understanding the evolution of the human foot and, hence, human habitual bipedal walking. However, to our knowledge, there is no previous report of a quantitative comparison of hominoid intrinsic foot muscle dimensions. In the present study, we quantitatively compared muscle dimensions of the hominoid foot by means of multivariate analysis. The foot muscle mass and physiological cross-sectional area (PCSA) of five chimpanzees, one bonobo, two gorillas, and six orangutans were obtained by our own dissections, and those of humans were taken from published accounts...
January 12, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29327347/unique-anti-myeloma-activity-by-thiazolidine-2-4-dione-compounds-with-pim-inhibiting-activity
#8
Shiro Fujii, Shingen Nakamura, Asuka Oda, Hirokazu Miki, Hirofumi Tenshin, Jumpei Teramachi, Masahiro Hiasa, Ariunzaya Bat-Erdene, Yusaku Maeda, Masahiro Oura, Mamiko Takahashi, Masami Iwasa, Itsuro Endo, Sumiko Yoshida, Ken-Ichi Aihara, Kiyoe Kurahashi, Takeshi Harada, Kumiko Kagawa, Michiyasu Nakao, Shigeki Sano, Masahiro Abe
Proviral Integrations of Moloney virus 2 (PIM2) is overexpressed in multiple myeloma (MM) cells, and regarded as an important therapeutic target. Here, we aimed to validate the therapeutic efficacy of different types of PIM inhibitors against MM cells for their possible clinical application. Intriguingly, the thiazolidine-2,4-dione-family compounds SMI-16a and SMI-4a reduced PIM2 protein levels and impaired MM cell survival preferentially in acidic conditions, in contrast to other types of PIM inhibitors, including AZD1208, CX-6258 and PIM447...
January 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29325036/evaluation-of-left-atrial-linear-ablation-using-contiguous-and-optimized-radiofrequency-lesions-the-aline-study
#9
Michael Wolf, Milad El Haddad, Joël Fedida, Philippe Taghji, Katarina Van Beeumen, Teresa Strisciuglio, Jan De Pooter, Caroline Lepièce, Yves Vandekerckhove, René Tavernier, Mattias Duytschaever, Sébastien Knecht
Aims: Achieving block across linear lesions is challenging. We prospectively evaluated radiofrequency (RF) linear ablation at the roof and mitral isthmus (MI) using point-by-point contiguous and optimized RF lesions. Methods and results: Forty-one consecutive patients with symptomatic persistent AF underwent stepwise contact force (CF)-guided catheter ablation during ongoing AF. A single linear set of RF lesions was delivered at the roof and posterior MI according to the 'Atrial LINEar' (ALINE) criteria, i...
January 8, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29324355/drug-mediation-formation-of-nanohybrids-for-sequential-therapeutic-delivery-in-cancer-cells
#10
Bingjie Zhou, Bozhen Wu, Jine Wang, Qihong Qian, Jing Wang, Hongbin Xu, Sun Yang, Pan Feng, Wu Chen, Yulin Li, Jia Jiang, Baosan Han
In order to overcome the multidrug resistance (MDR) of tumor cells, it is very important to develop nanocarriers which can effectively load drugs while releasing them in a sequential way. Herein, nanohybrids with such properties have been fabricated by a first loading of one anticancer drug onto a silicate nanodisk (Laponite (LP), 25 nm in diameter and 0.92 nm in thickness) and a subsequent assembly with a pH sensitive poly(N-vinylpyrrolidone) (PVP) as a protective layer, followed by a loading of with another anticancer drug...
December 29, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29323483/correction-to-synthesis-of-potent-and-selective-inhibitors-of-aldo-keto-reductase-1b10-and-their-efficacy-against-proliferation-metastasis-and-cisplatin-resistance-of-lung-cancer-cells
#11
Satoshi Endo, Shuang Xia, Miho Suyama, Yoshifumi Morikawa, Hiroaki Oguri, Dawei Hu, Yoshinori Ao, Satoyuki Takahara, Yoshikazu Horino, Yoshihiro Hayakawa, Yurie Watanabe, Hiroaki Gouda, Akira Hara, Kazuo Kuwata, Naoki Toyooka, Toshiyuki Matsunaga, Akira Ikari
No abstract text is available yet for this article.
January 11, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29323460/a-new-fluorogenic-probe-for-the-detection-of-endo-%C3%AE-n-acetylglucosaminidase
#12
Nozomi Ishii, Chie Sunaga, Kanae Sano, Chengcheng Huang, Kenta Iino, Yuji Matsuzaki, Tadashi Suzuki, Ichiro Matsuo
We developed a fluorescence-quenching-based assay system to determine the hydrolysis activity of endo-β-N-acetylglucosaminidases (ENGases). The pentasaccharide derivative 1 was labeled with an N-methylanthraniloyl group as a reporter dye at the non-reducing end and a 2,4-dinitrophenyl group as a quencher molecule at the reducing end. This derivative is hydrolyzed by ENGase, resulting in an increase of fluorescence intensity. Thus, the fluorescence signal is directly proportional to the amount of the tetrasaccharide derivative, allowing ENGase activity to be evaluated easily and quantitatively...
January 11, 2018: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/29323449/enhanced-ultrafast-nonlinear-optical-response-in-ferrite-core-shell-nanostructures-with-excellent-optical-limiting-performance
#13
Sreekanth Perumbilavil, Alberto López-Ortega, Gaurav Kumar Tiwari, Josep Nogués, Tamio Endo, Reji Philip
Nonlinear optical nanostructured materials are gaining increased interest as optical limiters for various applications, although many of them suffer from reduced efficiencies at high-light fluences due to photoinduced deterioration. The nonlinear optical properties of ferrite core/shell nanoparticles showing their robustness for ultrafast optical limiting applications are reported. At 100 fs ultrashort laser pulses the effective two-photon absorption (2PA) coefficient shows a nonmonotonic dependence on the shell thickness, with a maximum value obtained for thin shells...
January 11, 2018: Small
https://www.readbyqxmd.com/read/29323162/high-co-expression-of-il-34-and-m-csf-correlates-with-tumor-progression-and-poor-survival-in-lung-cancers
#14
Muhammad Baghdadi, Hiraku Endo, Atsushi Takano, Kozo Ishikawa, Yosuke Kameda, Haruka Wada, Yohei Miyagi, Tomoyuki Yokose, Hiroyuki Ito, Haruhiko Nakayama, Yataro Daigo, Nao Suzuki, Ken-Ichiro Seino
Despite recent advances in diagnosis and treatment of lung cancers, the 5-year survival rate remains unsatisfactory, which necessitates the identification of novel factors that associates with disease progression and malignant degree for improving diagnostic and therapeutic strategies. Recent progress in cancer immunology research has unveiled critical roles for colony stimulating factor 1 receptor (CSF1R) in multiple aspects of the tumor microenvironment. CSF1R is expressed on tumor-associated macrophages (TAMs), and mediates important pro-tumorigenic functions...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322859/electrostatic-hazards-of-charging-of-bedclothes-and-ignition-in-medical-facilities
#15
Yuta Endo, Atsushi Ohsawa, Mizuki Yamaguma
We investigated the charge generated on bedclothes (cotton and polyester) during bedding exchange with different humidities and the ignitability of an alcohol-based hand sanitizer (72.3 mass% ethanol) due to static spark with different temperatures to identify the hazards of electrostatic shocks and ignitions previously occurred in medical facilities. The results indicated that the charging of the polyester bedclothes may induce human body potential of over about 10 kV, resulting in shocks even at the relative humidity of 50%, and the human body potential of higher than about 8 kV can cause the risk of the ignition of the hand sanitizer...
January 11, 2018: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29321565/characterization-of-novel-endo-%C3%AE-n-acetylglucosaminidases-from-sphingobacterium-species-beauveria-bassiana-and-cordyceps-militaris-that-specifically-hydrolyze-fucose-containing-oligosaccharides-and-human-igg
#16
Yibo Huang, Yujiro Higuchi, Takashi Kinoshita, Ai Mitani, Yasunari Eshima, Kaoru Takegawa
Endo-β-N-acetylglucosaminidase (ENGase) catalyzes hydrolysis of N-linked oligosaccharides. Although many ENGases have been characterized from various organisms, so far no fucose-containing oligosaccharides-specific ENGase has been identified in any organism. Here, we screened soil samples, using dansyl chloride (Dns)-labeled sialylglycan (Dns-SG) as a substrate, and discovered a strain that exhibits ENGase activity in the culture supernatant; this strain, named here as strain HMA12, was identified as a Sphingobacterium species by 16S ribosomal RNA gene analysis...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321417/peripheral-ulcerative-keratitis-associated-with-granulomatosis-with-polyangiitis-emerging-despite-cyclophosphamide-successfully-treated-with-rituximab
#17
Yuya Fujita, Shoichi Fukui, Yushiro Endo, Sosuke Tsuji, Ayuko Takatani, Toshimasa Shimizu, Masataka Umeda, Ayako Nishino, Tomohiro Koga, Shin-Ya Kawashiri, Naoki Iwamoto, Kunihiro Ichinose, Mami Tamai, Hideki Nakamura, Tomoki Origuchi, Ryotaro Ueki, Masafumi Uematsu, Kaori Ishida, Kuniko Abe, Atsushi Kawakami
A 67-year-old Japanese man was diagnosed with granulomatosis with polyangiitis based on the presence of right maxillary sinusitis, proteinase 3 antineutrophil cytoplasmic antibody positivity, and right scleritis. A conjunctival biopsy specimen showed neutrophil-predominant infiltration around the vessels without granuloma. Because there was a risk of blindness, pulsed methylprednisolone and intravenous cyclophosphamide pulse therapy (IVCY) was started. However, it was ineffective, and peripheral ulcerative keratitis newly emerged...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29321407/vertebral-osteomyelitis-caused-by-helicobacter-cinaedi-identified-using-broad-range-polymerase-chain-reaction-with-sequencing-of-the-biopsied-specimen
#18
Ryota Hase, Takuya Hirooka, Takashi Itabashi, Yasunobu Endo, Yoshihito Otsuka
A 65-year-old man presented with gradually exacerbating low back pain. Magnetic resonance imaging revealed vertebral osteomyelitis in the Th11-L2 vertebral bodies and discs. The patient showed negative findings on conventional cultures. Direct broad-range polymerase chain reaction (PCR) with sequencing of the biopsied specimen had the highest similarity to the 16S rRNA gene of Helicobacter cinaedi. This case suggests that direct broad-range PCR with sequencing should be considered when conventional cultures cannot identify the causative organism of vertebral osteomyelitis, and that this method may be particularly useful when the pathogen is a fastidious organism, such as H...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29319800/characterization-of-a-novel-endo-type-alginate-lyase-derived-from-shewanella-sp-yh1
#19
Hisashi Yagi, Asako Fujise, Narumi Itabashi, Takashi Ohshiro
Alginate, which is an anionic polysaccharide, is widely distributed in the cell wall of brown algae. Alginate and the products of its degradation (oligosaccharides) are used in stabilizers, thickeners, and gelling agents, especially in the food industry. The degradation of alginate generally involves a combination of several alginate lyases (exo-type, endo-type, and oligoalginate lyase). Enhancing the efficiency of the production of alginate degradation products may require the identification of novel alginate lyases with unique characteristics...
January 8, 2018: Journal of Biochemistry
https://www.readbyqxmd.com/read/29318941/peg-modification-on-the-endo-position-of-an-antisense-oligonucleotide-increases-tumor-accumulation-via-the-epr-effect
#20
Kenji Hagiwara, Kana Kurihara, Masakazu Honma, Junichiro Yamamoto, Fumikazu Shinohara
Nucleic acid medicine is the next-generation therapeutic modality for refractory diseases with its unique mode of action as an alternative to traditional therapies. A nucleic acid delivery system targeted to liver was validated clinically; however, the delivery system of nucleic acids targeting solid tumors following systemic administration is not efficient enough for clinical use. In this study, we first utilized an antisense oligonucleotide (ASO) and polyethylene glycol (PEG) in one-to-one conjugation (PEG-ASO) at the endo-position of the ASO (endo-PEG-ASO)...
January 10, 2018: Journal of Biomaterials Science. Polymer Edition
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