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https://www.readbyqxmd.com/read/28330775/novel-interferon-%C3%AE-enzyme-linked-immunospot-assay-using-activated-cells-for-identifying-hypersensitivity-inducing-drug-culprits
#1
Kenichi Kato, Asami Kawase, Hiroaki Azukizawa, Takaaki Hanafusa, Yukinobu Nakagawa, Hiroyuki Murota, Shimon Sakaguchi, Hideo Asada, Ichiro Katayama
BACKGROUND: The drug-induced lymphocyte stimulation test (DLST), also referred to as lymphocyte transformation test (LTT), is used to identify the culprit drug in cases of cutaneous adverse drug reactions (cADR). Although DLST is a widely used in vitro test, its sensitivity and specificity are unsatisfactory. Recent reports suggest that the detection of drug-induced interferon (IFN)-γ production using enzyme-linked immunoSpot (ELISpot) assay (conventional IFN-γ ELISpot) is useful for identifying culprit drugs in cADR cases...
March 14, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28306653/new-scoring-system-for-evaluating-patulous-eustachian-tube-patients
#2
Ryoukichi Ikeda, Toshiaki Kikuchi, Hidetoshi Oshima, Hiromitsu Miyazaki, Hiroshi Hidaka, Tetsuaki Kawase, Yukio Katori, Toshimitsu Kobayashi
OBJECTIVE: To assess the efficacy of patulous Eustachian tube handicap inventory (PHI) for patulous Eustachian tube (PET) patients. STUDY DESIGN: Prospective. SETTING: Tertiary referral center. SUBJECTS: A prospective survey of medical records in Sen-En Hospital identified 31 ears of 31 patients with definite PET who received insertion of the silicone plug as surgical treatment group, 29 ears of 29 patients treated with self-instillation of physiological saline solution as conservative treatment group, and 29 ears of 29 patients of sensorineural hearing loss without findings of PET treated between June 2015 and December 2015...
March 16, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28303064/accessory-left-gastric-artery-aneurysms-in-granulomatosis-with-polyangiitis-a-case-report-and-literature-review
#3
Toshihide Tomosugi, Takuji Takahashi, Yoshihisa Kawase, Koichi Yoshida, Shogo Hayashi, Takefumi Sugiyama, Mitsuya Shimizu, Michita Shoka, Kohichi Sawaki, Eiji Onishi, Naomi Hayashi, Hidenobu Matsushita, Osamu Okochi
Aneurysm formation is a potential complication of granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis. It is a very rare complication, but immediate diagnosis and therapy should be performed because an aneurysm can be life-threatening if it ruptures. An accessory left gastric artery (ALGA) is also a rare variant gastric artery that may obtain its blood supply from the left hepatic artery and left gastric artery. We herein describe a 57-year-old Japanese man who was diagnosed with GPA complicated by aneurysm rupture in an ALGA...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28251561/platelet-rich-fibrin-prepared-from-stored-whole-blood-samples
#4
Kazushige Isobe, Masashi Suzuki, Taisuke Watanabe, Yutaka Kitamura, Taiji Suzuki, Hideo Kawabata, Masayuki Nakamura, Toshimitsu Okudera, Hajime Okudera, Kohya Uematsu, Koh Nakata, Takaaki Tanaka, Tomoyuki Kawase
BACKGROUND: In regenerative therapy, self-clotted platelet concentrates, such as platelet-rich fibrin (PRF), are generally prepared on-site and are immediately used for treatment. If blood samples or prepared clots can be preserved for several days, their clinical applicability will expand. Here, we prepared PRF from stored whole-blood samples and examined their characteristics. METHODS: Blood samples were collected from non-smoking, healthy male donors (aged 27-67 years, N = 6), and PRF clots were prepared immediately or after storage for 1-2 days...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28245608/seasonal-changes-in-the-tetrodotoxin-content-of-the-flatworm-planocera-multitentaculata
#5
Riko Yamada, Tadasuke Tsunashima, Mitsuki Takei, Tatsunori Sato, Yoshiki Wajima, Makoto Kawase, Shotaro Oshikiri, Yusuke Kajitani, Keita Kosoba, Hiroyuki Ueda, Koko Abe, Shiro Itoi, Haruo Sugita
Tetrodotoxin (TTX) is a potent neurotoxin that acts specifically on voltage-gated sodium channels on excitable membranes of muscle and nerve tissues. The biosynthetic process for TTX is unclear, although marine bacteria are generally thought to be the primary producers. The marine flatworm Planocera multitentaculata is a known TTX-bearing organism, and is suspected to be a TTX supplier to pufferfish. In this study, flatworm specimens were collected from an intertidal zone in Hayama, Kanagawa, Japan, the TTX content of the flatworm was measured using liquid chromatography with tandem mass spectrometry (LC-MS/MS), and seasonal changes in TTX content were investigated...
February 25, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28241308/apolipoprotein-e2-and-e3-but-not-e4-promote-retinal-pathologic-neovascularization
#6
Tomomi Masuda, Masamitsu Shimazawa, Yuhei Hashimoto, Atsushi Kojima, Shinsuke Nakamura, Shinsuke Suemori, Kiyofumi Mochizuki, Hideaki Kawakami, Kazuhide Kawase, Hideaki Hara
Purpose: To determine the relationship between the different isoforms of apolipoprotein E (ApoE) and retinal neovascularization. Methods: The concentrations of ApoE and VEGF in vitreous humor samples with either a macular hole (MH), or diabetic macular edema (DME), or proliferative diabetic retinopathy (PDR) with or without intravitreal injection of bevacizumab (IVB) were measured by ELISA. The effects of each isoform of ApoE on human retinal microvascular endothelial cells (HRMECs) in culture or on the retina of oxygen-induced retinopathy (OIR) mice were investigated...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28238612/6-benzylidene-2-4-pyridin-3-ylcarboxy-benzylidene-cyclohexanones-a-novel-cluster-of-tumour-selective-cytotoxins
#7
Atulya K Panda, Umashankar Das, Naoki Umemura, Hiroshi Sakagami, Masami Kawase, Jan Balzarini, Erik De Clercq, Stephen G Dimmock, Praveen K Roayapalley, Jonathan R Dimmock
Novel cytotoxins 3-5 containing the 1,5-diaryl-3-oxo-1,4-pentadienyl pharmacophore are disclosed. The compounds in series 3 and 5 have the potential to liberate niacin which may reduce some of the side effects of antineoplastic compounds. 3a-c emerged as the most potent cytotoxic compounds with IC50 values in the low micromolar range against human Molt4/C8 and CEM CD4(+) T-lymphocytes as well as murine L1210 leukemia cells. QSAR studies revealed that cytotoxic potencies were negatively correlated with the magnitude of the Hammett sigma values of the aryl substituents...
April 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28226330/nutritional-recovery-after-open-and-laparoscopic-distal-gastrectomy-for-early-gastric-cancer-a-prospective-multicenter-comparative-trial-ccog1204
#8
Hidenobu Matsushita, Chie Tanaka, Kenta Murotani, Kazunari Misawa, Seiji Ito, Yuichi Ito, Mitsuro Kanda, Yoshinari Mochizuki, Kiyoshi Ishigure, Toyohisa Yaguchi, Jin Teramoto, Hiroshi Nakayama, Yoshihisa Kawase, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND: Little information from prospective clinical trials is available on the influences of surgical approaches on postoperative body compositions and nutritional status. We designed a prospective non-randomized trial to compare postoperative chronological changes in body composition and nutritional status between laparoscopic and open distal gastrectomy for stage I gastric cancer (GC). METHODS: Body compositions and nutritional indicators in blood tests were measured at the baseline and at the 1st, 3rd, 6th, and 12th postoperative months (POM)...
February 23, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28223248/endoscopic-intradural-subtemporal-keyhole-approach-with-neuronavigational-assistance-to-the-suprasellar-petroclival-and-ventrolateral-brainstem-regions-an-anatomic-study
#9
Zhemin Ding, Qing Wang, Xiaojie Lu, Xinwei Qian
OBJECTIVE: The purposes of this study were to evaluate the feasibility of a purely endoscopic intradural approach to the suprasellar, petroclival and ventrolateral brainstem regions through a subtemporal keyhole and to assess the value of neuronavigational assistance in the Kawase approach. METHODS: Twenty endoscopic intradural subtemporal keyhole approaches were performed on 10 cadaveric heads. An intradural Kawase approach and a navigation-assisted intradural Kawase approach were then carried out on a random side of each specimen...
February 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28222973/nationwide-multi-institutional-retrospective-analysis-of-high-dose-rate-brachytherapy-combined-with-external-beam-radiotherapy-for-localized-prostate-cancer-an-asian-prostate-hdr-bt-consortium
#10
Hiromichi Ishiyama, Nobuhiko Kamitani, Hidemasa Kawamura, Shingo Kato, Manabu Aoki, Shinji Kariya, Taisei Matsumura, Motoki Kaidu, Ken Yoshida, Yaichiro Hashimoto, Yasutaka Noda, Keith H C Lim, Takatsugu Kawase, Takeo Takahashi, Koji Inaba, Motoyasu Kumano, Nobuhiko Yoshikawa, Yasuo Yoshioka, Katsumasa Nakamura, Junichi Hiratsuka, Jun Itami, Kazushige Hayakawa
PURPOSE: To report outcomes and risk factors of high-dose-rate (HDR) brachytherapy combined with external beam radiotherapy with or without androgen deprivation therapy (ADT) in prostate cancer patients. MATERIALS AND METHODS: This multi-institutional retrospective analysis comprised 3424 patients with localized prostate cancer at 16 Asian hospitals. One-thirds (27.7%) of patients received only neoadjuvant ADT, whereas almost half (49.5%) of patients received both neoadjuvant and adjuvant ADT...
February 17, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28218710/substitution-at-the-c-3-position-of-catechins-has-an-influence-on-the-binding-affinities-against-serum-albumin
#11
Masaki Ikeda, Manabu Ueda-Wakagi, Kaori Hayashibara, Rei Kitano, Masaya Kawase, Kunihiro Kaihatsu, Nobuo Kato, Yoshitomo Suhara, Naomi Osakabe, Hitoshi Ashida
It is known that catechins interact with the tryptophan (Trp) residue at the drug-binding site of serum albumin. In this study, we used catechin derivatives to investigate which position of the catechin structure strongly influences the binding affinity against bovine serum albumin (BSA) and human serum albumin (HSA). A docking simulation showed that (-)-epigallocatechin gallate (EGCg) interacted with both Trp residues of BSA (one at drug-binding site I and the other on the molecular surface), mainly by π-π stacking...
February 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28179592/five-year-clinical-outcome-of-asymptomatic-vs-symptomatic-severe-aortic-stenosis-after-aortic-valve-replacement
#12
Shinichi Shirai, Tomohiko Taniguchi, Takeshi Morimoto, Kenji Ando, Kengo Korai, Kenji Minakata, Michiya Hanyu, Fumio Yamazaki, Tadaaki Koyama, Tatsuhiko Komiya, Norio Kanamori, Koichiro Murata, Takeshi Kitai, Yuichi Kawase, Chisato Izumi, Tsukasa Inada, Eri Minamino-Muta, Takao Kato, Moriaki Inoko, Katsuhisa Ishii, Naritatsu Saito, Kazuo Yamanaka, Noboru Nishiwaki, Hiroyuki Nakajima, Toshihiko Saga, Shogo Nakayama, Genichi Sakaguchi, Atsushi Iwakura, Kotaro Shiraga, Koji Ueyama, Keiichi Fujiwara, Senri Miwa, Junichiro Nishizawa, Mitsuru Kitano, Hitoshi Kitayama, Ryuzo Sakata, Takeshi Kimura
BACKGROUND: There is discordance regarding the effect of symptom status before aortic valve replacement (AVR) on long-term outcome after AVR in severe aortic stenosis (AS).Methods and Results:The CURRENT AS registry is a multicenter retrospective registry enrolling 3,815 consecutive patients with severe AS. Among 1,196 patients managed with the initial AVR strategy, long-term clinical outcomes were compared between the symptomatic patients (n=905), and asymptomatic patients (n=291)...
February 9, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28157491/intravenous-dexamethasone-administration-before-orthognathic-surgery-reduces-the-postoperative-edema-of-the-masseter-muscle-a-randomized-controlled-trial
#13
Harutsugi Abukawa, Takashi Ogawa, Michihide Kono, Toshiyuki Koizumi, Yoko Kawase-Koga, Daichi Chikazu
PURPOSE: Dexamethasone seems to suppress postoperative swelling. However, the standard administration dose of dexamethasone for bilateral sagittal split osteotomy (BSSO) has not been reported. This study focused on clarifying the most effective dose of dexamethasone for BSSO. MATERIALS AND METHODS: This research was planned as a prospective, randomized controlled, double-blind study. Patients undergoing BSSO were randomly assigned to receive intravenous preoperative dexamethasone under 3 different dose conditions: 16 mg, 8 mg, and 0 mg (control)...
January 9, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28154267/contrast-induced-hyperemia-as-an-alternative-to-drug-induced-hyperemia-in-the-evaluation-of-the-fractional-flow-reserve-in-coronary-lesions
#14
Nobuo Shiode, Tomokazu Okimoto, Hiromichi Tamekiyo, Tomoharu Kawase, Kenichi Yamane, Yuzo Kagawa, Yuto Fujii, Yusuke Ueda, Naoya Hironobe, Yasuko Kato, Yasuhiko Hayashi
Objective Measuring the fractional flow reserve (FFR) requires the induction of coronary hyperemia, usually with adenosine, adenosine triphosphate (ATP), or papaverine. However, adenosine can induce rhythmic complications, and intracoronary boluses of papaverine that prolong the QT interval can cause ventricular tachycardia. Injection of contrast media, which is routinely performed to validate the FFR guidewire placement, also induces hyperemia and may be an alternative method of measuring the FFR. We evaluated the diagnostic accuracy of the FFR after contrast hyperemia (FFRcont) compared to FFR evaluated after intracoronary papaverine (FFRpp)...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28145466/effects-of-normothermic-conditioned-microwave-irradiation-on-cultured-cells-using-an-irradiation-system-with-semiconductor-oscillator-and-thermo-regulatory-applicator
#15
Mamiko Asano, Minoru Sakaguchi, Satoshi Tanaka, Keiichiro Kashimura, Tomohiko Mitani, Masaya Kawase, Hitoshi Matsumura, Takako Yamaguchi, Yoshikazu Fujita, Katsuyoshi Tabuse
We investigated the effects of microwave irradiation under normothermic conditions on cultured cells. For this study, we developed an irradiation system constituted with semiconductor microwave oscillator (2.45 GHz) and thermos-regulatory applicator, which could irradiate microwaves at varied output powers to maintain the temperature of cultured cells at 37 °C. Seven out of eight types of cultured cells were killed by microwave irradiation, where four were not affected by thermal treatment at 42.5 °C...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28141836/effects-of-visual-speech-on-early-auditory-evoked-fields-from-the-viewpoint-of-individual-variance
#16
Izumi Yahata, Tetsuaki Kawase, Akitake Kanno, Hiroshi Hidaka, Shuichi Sakamoto, Nobukazu Nakasato, Ryuta Kawashima, Yukio Katori
The effects of visual speech (the moving image of the speaker's face uttering speech sound) on early auditory evoked fields (AEFs) were examined using a helmet-shaped magnetoencephalography system in 12 healthy volunteers (9 males, mean age 35.5 years). AEFs (N100m) in response to the monosyllabic sound /be/ were recorded and analyzed under three different visual stimulus conditions, the moving image of the same speaker's face uttering /be/ (congruent visual stimuli) or uttering /ge/ (incongruent visual stimuli), and visual noise (still image processed from speaker's face using a strong Gaussian filter: control condition)...
2017: PloS One
https://www.readbyqxmd.com/read/28138885/removal-of-anionic-surfactant-sodium-dodecyl-benzene-sulfonate-sdbs-from-wastewaters-by-zero-valent-iron-zvi-predominant-removal-mechanism-for-effective-sdbs-removal
#17
Akari Takayanagi, Maki Kobayashi, Yoshinori Kawase
Mechanisms for removal of anionic surfactant sodium dodecyl benzene sulfonate (SDBS) in wastewaters by zero-valent iron (ZVI) were systematically examined. The contributions of four removal mechanisms, i.e., reductive degradation, oxidative degradation, adsorption, and precipitation, changed significantly with solution pH were quantified and the effective removal of SDBS by ZVI was found to be attributed to the adsorption capability of iron oxides/hydroxides on ZVI surface at nearly neutral pH instead of the degradation at acidic condition...
January 31, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28133193/-a-case-of-adenocarcinoma-of-the-vater-papilla-treated-with-pancreatoduodenectomy-after-hepaticojejunostomy-for-prior-adenocarcinoma-of-the-gallbladder
#18
Yu Takeda, Yoshito Tomimaru, Kozo Noguchi, Hirotsugu Nagase, Atsushi Hamabe, Masashi Hirota, Kazuteru Oshima, Tsukasa Tanida, Tomono Kawase, Shunji Morita, Hiroshi Imamura, Takashi Iwazawa, Kenzo Akagi, Shiro Adachi, Keizo Dono
A 77-year-old man was diagnosed with acute cholecystitis and underwent laparoscopic cholecystectomy. Since adenocarcinoma in the gallbladder was detected by histopathological examination, he received additional resection for the carcinoma: partial hepatectomy(S4a, S5), extrahepatic bile duct resection, and hepaticojejunostomy. Five years after the surgery, he was diagnosed with adenocarcinoma of the Vater papilla. Pancreatoduodenectomy was performed. During the surgery, the prior hepaticojejunostomy and jejunojejunostomy were preserved, and the gastrointestinal tract was cut at the stomach and jejunum 5 cm from the Treitz ligament...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133168/-afferent-loop-syndrome-after-hepatobiliary-and-pancreatic-surgery-successfully-treated-with-percutaneous-drainage
#19
Terukazu Yoshihara, Yoshito Tomimaru, Kaishu Tanaka, Kozo Noguchi, Shiro Hayashi, Hirotsugu Nagase, Atsushi Hamabe, Masashi Hirota, Kazuteru Oshima, Tsukasa Tanida, Tomono Kawase, Shunji Morita, Hiroshi Imamura, Takashi Iwazawa, Kenzo Akagi, Keizo Dono
We report 2 cases where afferent loop syndrome after hepatobiliary and pancreatic surgery was successfully treated with percutaneous drainage. Case 1: A 74-year-old man who had undergone pancreaticoduodenectomy for pancreatic cancer presented with cholangitis, obstructive jaundice, and dilatation of the elevated jejunum. These conditions were attributed to obstruction of the elevated jejunum on the anal side due to peritoneal dissemination. Subsequently, percutaneous transhepatic biliary drainage was performed, and the dilated jejunum was drained through the approach route...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133130/-a-resected-case-of-intraductal-pupillary-mucinous-neoplasm-of-the-pancreas-characterized-by-recurrence-in-the-remnant-pancreas-and-multiple-malignant-neoplasms-in-other-organs
#20
Ryo Yoshioka, Yoshito Tomimaru, Kozo Noguchi, Hirotsugu Nagase, Atsushi Hamabe, Masashi Hirota, Kazuteru Oshima, Tsukasa Tanida, Tomono Kawase, Shunji Morita, Hiroshi Imamura, Takashi Iwazawa, Kenzo Akagi, Shiro Adachi, Keizo Dono
A 74-year-old man underwent pancreaticoduodenectomy for intraductal pupillary mucinous neoplasm(IPMN)of the pancreatic head. Histopathological examination of the specimen revealed non-invasive intraductal papillary mucinous carcinoma( IPMC). Two years after surgery, recurrent IPMN developed in the remnant pancreas, and a liver tumor was identified in S8 of the liver. The patient underwent total pancreatectomy of the remnant pancreas and partial resection of S8. These tumors were histopathologically diagnosed as invasive IPMC and hepatocellular carcinoma, respectively...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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