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Hiroshi Keino, Annabelle A Okada, Takayo Watanabe, Makiko Nakayama, Tomoko Nakamura
PURPOSE: To compare the efficacy of infliximab (IFX) on refractory uveoretinitis between Behçet disease (BD) patients with short duration (≤18 months, n = 6) versus long duration (>18 months, n = 7) of their ocular disease. METHODS: Records of 13 BD patients treated with IFX for 24 months were retrospectively reviewed. RESULTS: Frequency of ocular attacks decreased with IFX treatment in both groups, with no significant difference. Retinal and disc vascular leakage scores also decreased in both groups, however was significantly lower in the short-duration group...
October 21, 2016: Ocular Immunology and Inflammation
Kouhei Tajima, Nobuyuki Uchida, Hajime Sasamoto, Toshiyuki Okada, Takayuki Kohri, Akira Mogi, Hiroyuki Kuwano
A 69-year-old woman visited our hospital complaining of right chest pain. Chest computed tomography showed a 55 × 45 mm tumor in the right upper lobe. Bronchoscopy revealed displaced anomalous B (1) and B (2)(+3) arising from the right main bronchus, and the patient was diagnosed with lung adenocarcinoma by transbronchial lung biopsy from the displaced B (2)(+3) . Three-dimensional computed tomography with multiplanar reconstruction revealed a displaced anomalous B (1) and B (2)(+3) branching directly from the right main bronchus, respectively, and abnormal distribution of the aberrant pulmonary vein (V (2) ) descended dorsally to the right main bronchus and emptied into the left atrium...
September 2016: Thoracic Cancer
Toshiyuki Iwahata, Takeshi Shin, Yukihito Shimomura, Keisuke Suzuki, Tomohiro Kobayashi, Akane Miyata, Yoshitomo Kobori, Shigehiro Soh, Hiroshi Okada
OBJECTIVES: To present a single-center experience with testicular sperm extraction and intracytoplasmic sperm injection for fathering biological children in patients with ejaculatory dysfunction as a result of spinal cord injury. METHODS: Testicular sperm extraction was carried out in 52 male patients with ejaculatory dysfunction as a result of spinal cord injury. We investigated sperm retrieval rates and pregnancy rates from medical records. Data on age, testicular volume, hormonal status (luteinizing hormone, follicle stimulating hormone and testosterone), and time since spinal cord injury were obtained and analyzed to detect potential associations with the presence of spermatogenesis...
October 21, 2016: International Journal of Urology: Official Journal of the Japanese Urological Association
Keiju Aokage, Junji Yoshida, Tomoyuki Hishida, Masahiro Tsuboi, Hisashi Saji, Morihito Okada, Kenji Suzuki, Syunichi Watanabe, Hisao Asamura
Since 'radical lobectomy' was reported by Cahan in 1960, the standard surgical care for lung cancer has been lobectomy, in which units of the lobe are excised with their specific regional hilar and mediastinal lymphatics. However, pulmonary function-preserving limited resection for lung cancer has gradually become more prevalent in the late 20th century. In 1995, Ginsberg et al. conducted a randomized controlled trial in which limited resection (segmentectomy and wide-wedge resection) and lobectomy for stage I lung cancer were compared and reported that limited resection should not be applied to healthy patients with clinical stage IA lung cancer...
October 20, 2016: Japanese Journal of Clinical Oncology
Kei Itagaki, Minoru Takebayashi, Chiyo Shibasaki, Naoto Kajitani, Hiromi Abe, Mami Okada-Tsuchioka, Shigeto Yamawaki
BACKGROUND: While electroconvulsive therapy (ECT) treatment for depression is highly effective, the high rate of relapse is a critical problem. The current study investigated factors associated with the risk of relapse in mood disorders in patients in which ECT was initially effective. METHOD: The records of 100 patients with mood disorders (61 unipolar depression, 39 bipolar depression) who received and responded to an acute ECT course were retrospectively reviewed...
October 11, 2016: Journal of Affective Disorders
Toshiaki Okada, Md Rafiqul Islam, Nargiza A Tsiferova, Yasunobu Okada, Ravshan Z Sabirov
The broadly expressed volume-sensitive outwardly rectifying anion channel (VSOR, also called VRAC) plays essential roles in cell survival and death. Recent findings have suggested that LRRC8A is a core component of VSOR in human cells. In the present study, VSOR currents were found to be largely reduced by siRNA against LRRC8A in mouse C127 cells as well. In contrast, LRRC8A knockdown never affected activities of four other types of anion channel activated by acid, Ca(2+), patch excision or cAMP. While cisplatin-resistant KCP-4 cells poorly expressed endogenous VSOR activity, molecular expression levels of LRRC8A, LRRC8D and LRRC8E were indistinguishable between VSOR-deficient KCP-4 cells and the parental VSOR-rich KB cells...
October 20, 2016: Channels
Toshihiro Shoji, Atsushi Nakagomi, Sho Okada, Yuji Ohno, Yoshio Kobayashi
BACKGROUND: Studies have established the prognostic value of central SBP and pulse pressure (PP). The SphygmoCor XCEL (AtCor Medical, Sydney, Australia) device provides practical central blood pressure (BP) measurement for daily clinical use with its easy-to-use, operator-independent procedure. However, this device has not been validated against invasive measurement. METHOD: Simultaneous oscillometric and high-fidelity invasive measurements of central SBP and PP were compared for 36 patients who underwent coronary arteriography...
October 19, 2016: Journal of Hypertension
Sari Dewi Kurniasih, Tomohito Yamasaki, Fantao Kong, Sigeru Okada, Dwiyantari Widyaningrum, Takeshi Ohama
In this investigation, we succeeded to generate Chlamydomonas mutants that bear dramatically enhanced ability for transgene expression. To yield these mutants, we utilized DNA methyltransferase deficient strain. These mutants must be useful as a plant cell factory. Chlamydomonas reinhardtii (hereafter Chlamydomonas) is a green freshwater microalga. It is a promising cell factory for the production of recombinant proteins because it rapidly grows in simple salt-based media. However, expression of transgenes integrated into the nuclear genome of Chlamydomonas is very poor, probably because of severe transcriptional silencing irrespective of the genomic position...
October 19, 2016: Plant Molecular Biology
Atsushi Nakagomi, Sho Okada, Toshihiro Shoji, Yoshio Kobayashi
Our aim was to assess the discrepancy in the blood pressure amplification (BPA) value defined as the aortic-to-brachial increase in systolic BP (SBP) between invasive and noninvasive brachial cuff-based methods. In 45 patients undergoing cardiac catheterization, BP in the brachial artery and ascending aorta were measured with an invasive catheter and a brachial cuff-based oscillometric device. To calculate aortic SBP, brachial waveforms were calibrated by the brachial systolic and diastolic BP (DBP) (C1 calibration) or by the brachial mean BP and DBP (C2 calibration)...
October 20, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Ryo Fujiwara, Mitsuhiro Narita, Susumu Kageyama, Akihiro Kawauchi, Takahisa Nakayama, Natsumi Nishi, Hiroyuki Sugihara, Yusaku Okada
A 67-year-old man presented at our hospital with severe edema on the left side of his neck, chest and brachial regions. He had a history of right radical nephrectomy due to renal cell carcinoma (RCC, clear cell subtype, stage II) 15 years earlier. Thereafter, metastases to the pancreatic tail and right lung, and left lung metastasis were removed at 8 years and 11 years, respectively, after the nephrectomy. Four years earlier, he had also undergone total gastrectomy for gastric carcinoma (poorly differentiated adenocarcinoma, stage IV) and subsequent maintenance chemotherapy for gastric carcinoma...
September 2016: Hinyokika Kiyo. Acta Urologica Japonica
Takahisa Hiramitsu, Manabu Okada, Kenta Futamura, Takayuki Yamamoto, Makoto Tsujita, Norihiko Goto, Shunji Narumi, Yoshihiko Watarai
This study aimed to investigate the impact of grafting using thin upper pole artery ligation for living-donor adult kidney transplantation. Few reports have examined the safety of thin upper pole artery ligation.Between January 2008 and May 2015, 613 consecutive living-donor adult kidney transplantations were performed. We excluded 21 recipients who experienced graft loss due to factors that were unrelated to surgical complications and 3 recipients with grafts treated with arterial reconstruction and thin upper pole artery ligation for 3 arteries...
October 2016: Medicine (Baltimore)
Y Hayashi, Yoshiki Ishii, J Nagasawa, S Arai, H Okada, F Ohmi, T Umetsu, Y Machida, K Kurasawa, A Takemasa, S Suzuki, T Senoh, T Sada, K Hirata
Sarcoidosis is a chronic granulomatous disease that can affect multiple organs. The lungs, eyes, and skin are known to be highly affected organs in sarcoidosis. There have been reports based on random muscle biopsy that 32-80% of systemic sarcoidosis comprises noncaseating granulomas; however, muscle involvement in sarcoidosis is generally asymptomatic and has an unknown frequency. We describe a case of acute to subacute sarcoid myositis of the skeletal and extraocular muscles. Typical ophthalmic involvement (manifested by infiltration of the ocular adnexa, intraocular inflammation, or infiltration of the retrobulbar visual pathways) and extraocular sarcoid myositis (as with the present case) is infrequently reported...
October 7, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
Yoichiro Sogame, Jun Okada, Shingo Kikuta, Yugo Miyata, Richard Cornette, Oleg Gusev, Takahiro Kikawada
Larvae of the African midge Polypedilum vanderplanki show extreme desiccation tolerance, known as anhydrobiosis. Recently, the cultured cell line Pv11 was derived from this species; Pv11 cells can be preserved in the dry state for over 6 months and retain their proliferation potential. Here, we attempted to expand the use of Pv11 cells as a model to investigate the mechanisms underlying anhydrobiosis in P. vanderplanki. A newly developed vector comprising a constitutive promoter for the PvGapdh gene allowed the expression of exogenous proteins in Pv11 cells...
October 18, 2016: Extremophiles: Life Under Extreme Conditions
Kazunori Okada, Sanae Kaga, Taisei Mikami, Nobuo Masauzi, Ayumu Abe, Masahiro Nakabachi, Shinobu Yokoyama, Hisao Nishino, Ayako Ichikawa, Mutsumi Nishida, Daisuke Murai, Taichi Hayashi, Chikara Shimizu, Hiroyuki Iwano, Satoshi Yamada, Hiroyuki Tsutsui
We analyzed the waveform of systolic strain and strain-rate curves to find a characteristic left ventricular (LV) myocardial contraction pattern in patients with hypertrophic cardiomyopathy (HCM), and evaluated the utility of these parameters for the differentiation of HCM and LV hypertrophy secondary to hypertension (HT). From global strain and strain-rate curves in the longitudinal and circumferential directions, the time from mitral valve closure to the peak strains (T-LS and T-CS, respectively) and the peak systolic strain rates (T-LSSR and T-CSSR, respectively) were measured in 34 patients with HCM, 30 patients with HT, and 25 control subjects...
October 18, 2016: Heart and Vessels
Yohei Okada, Masae Sugai, Kazuhiro Chiba
Fluorophores with emission wavelengths that shift depending on their hydrogen-bonding microenvironment in water would be fascinating tools for the study of biological events. Herein, we describe the design and synthesis of a series of water-soluble solvatochromic fluorophores, 2,5-bis(oligoethylene glycol)oxybenzaldehydes (8-11) and 2,5-bis(oligoethylene glycol)oxy-1,4-dibenzaldehydes (14-17), based on a push-pull strategy. Unlike typical examples in this class of fluorophores, the fluorescence properties of these compounds are independent of solvent polarity and become fluorescent upon intermolecular hydrogen-bonding, exhibiting high quantum yields (up to φ = 0...
October 18, 2016: Journal of Organic Chemistry
Hela Ben-Gharbia, Ons Kéfi-Daly Yahia, Zouher Amzil, Nicolas Chomérat, Eric Abadie, Estelle Masseret, Manoella Sibat, Habiba Zmerli Triki, Habiba Nouri, Mohamed Laabir
Harmful benthic dinoflagellates, usually developing in tropical areas, are expanding to temperate ecosystems facing water warming. Reports on harmful benthic species are particularly scarce in the Southern Mediterranean Sea. For the first time, three thermophilic benthic dinoflagellates (Ostreopsis cf. ovata, Prorocentrum lima and Coolia monotis) were isolated from Bizerte Bay (Tunisia, Mediterranean) and monoclonal cultures established. The ribotyping confirmed the morphological identification of the three species...
October 15, 2016: Toxins
Ryuichi Watanabe, Chika Sugai, Taichi Yamazaki, Ryoji Matsushima, Hajime Uchida, Masahiro Matsumiya, Akiko Takatsu, Toshiyuki Suzuki
ERETIC2 (Electronic Reference To access In vivo Concentrations 2) based on PULCON (Pulse Length-based Concentration determination) methodology is a quantitative NMR (qNMR) using an external standard. The performance of the PULCON method was assessed using maleic acid (MA). Quantification of the diarrhetic shellfish toxin and okadaic acid by PULCON was successfully consistent with that obtained by a conventional internal standard method, demonstrating that the PULCON method is useful for the quantification of invaluable marine toxins without any contaminations by an internal standard...
October 13, 2016: Toxins
Toshihiro Shoji, Sho Okada, Yuji Ohno, Atsushi Nakagomi, Yoshihide Fujimoto, Yosihio Kobayashi
OBJECTIVE: Pulse wave velocity is a non-invasive method that is useful not only for estimating arterial stiffness but also screening cardiovascular events in the general population. Upstroke time (UT) and % mean artery pressure (% MAP) are novel, adjunctive indices for arterial stiffness that are derived from morphology analysis of the pulse wave during brachial-ankle pulse wave velocity (baPWV) measurement. Several studies have shown the association between UT and coronary artery calcification score as assessed by multi-detector computed tomography (MDCT)...
September 2016: Journal of Hypertension
Chihiro Fujii, Takayuki Kondo, Hirofumi Ochi, Yoichiro Okada, Yuichiro Hashi, Tetsuya Adachi, Masaharu Shin-Ya, Sadayuki Matsumoto, Ryosuke Takahashi, Masanori Nakagawa, Toshiki Mizuno
Multiple sclerosis (MS) is a T cell-mediated autoimmune disease. Fingolimod, a highly effective disease-modifying drug for MS, retains CCR7(+) central memory T cells in which autoaggressive T cells putatively exist, in secondary lymphoid organs, although relapse may still occur in some patients. Here, we analyzed the T cell phenotypes of fingolimod-treated, fingolimod-untreated patients, and healthy subjects. The frequency of CD56(+) T cells and granzyme B-, perforin-, and Fas ligand-positive T cells significantly increased during fingolimod treatment...
October 18, 2016: Scientific Reports
Yohei Kurosaki, Sayaka Okada, Sayuri Nakamae, Jiro Yasuda
Bovine papular stomatitis virus (BPSV) causes pustular cutaneous disease in cattle worldwide. This paper describes the development of a specific loop-mediated isothermal amplification (LAMP) assay to detect BPSV which did not cross-react with other parapoxviruses. To assess analytical sensitivity of this LAMP assay, DNA was extracted from serially diluted BPSV from which the infectious titer was determined by a novel assay based on calf kidney epithelial cells. The LAMP assay had equivalent analytical sensitivity to quantitative PCR, and could detect as few as 86 copies of viral DNA per reaction...
October 14, 2016: Journal of Virological Methods
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