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https://www.readbyqxmd.com/read/28437340/proximal-junctional-kyphosis-following-posterior-hemivertebra-resection-and-short-fusion-in-children-younger-than-10-years
#1
Yingsong Wang, Noriaki Kawakami, Taichi Tsuji, Tetsuya Ohara, Yoshitaka Suzuki, Toshiki Saito, Ayato Nohara, Ryoji Tauchi, Kazuki Kawakami
STUDY DESIGN: A retrospective study. OBJECTIVE: To investigate whether proximal junctional kyphosis (PJK) or obvious proximal junctional angle (PJA) changes in the sagittal plane develops following short fusion in children younger than 10 years of age with congenital scoliosis, and to investigate the possible risk factors. SUMMARY OF BACKGROUND DATA: PJK following long spinal fusion in adolescents and adults is a serious postoperative complication...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28435143/estimation-of-inter-individual-variability-of-pharmacokinetics-of-cyp2c9-substrates-in-humans
#2
Koji Chiba, Keiko Shimizu, Motohiro Kato, Taichi Miyazaki, Takaaki Nishibayashi, Kazuki Terada, Yuichi Sugiyama
The activity of metabolic enzymes varies across individuals and populations. Activity varies even among individuals sharing the same genotype. Genetic polymorphisms in CYP2C9 cause significant inter-individual variability in the metabolism of its substrates. However, the variability of CYP2C9 intrinsic hepatic clearance (CLint,h,CYP2C9) among subjects of the same genotype has not been reported. In this study, we estimated the coefficient of variation (CV) for the intrinsic hepatic clearance of tolbutamide by CYP2C9 for each CYP2C9 genotype using previously reported AUCs and oral clearance (CLoral) values in a Monte Carlo simulation with a dispersion model...
April 20, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28428106/gata3-immunohistochemistry-in-urothelial-carcinoma-of-the-upper-urinary-tract-as-a-urothelial-marker-as-well-as-a-prognosticator
#3
Satoshi Inoue, Taichi Mizushima, Kazutoshi Fujita, Abdelrazak Meliti, Hiroki Ide, Seiji Yamaguchi, Hiroaki Fushimi, George J Netto, Norio Nonomura, Hiroshi Miyamoto
Immunohistochemistry of a transcription factor, GATA3, has been widely used as a promising urothelial marker in diagnostic surgical pathology practice. However, the expression status of GATA3 in upper urinary tract urothelial carcinomas (UUTUCs) and its prognostic significance have not been fully investigated. We immunohistochemically stained for GATA3 in 99 UUTUC samples and paired non-neoplastic urothelial tissues. GATA3 was positive in 51 [51.5%; 32 (32.3%) weak, 11 (11.1%) moderate, 8 (8.1%) strong] of 99 UUTUCs, which was significantly lower than in benign urothelium [79 (96...
April 17, 2017: Human Pathology
https://www.readbyqxmd.com/read/28421330/regulation-of-coniferaldehyde-5-hydroxylase-expression-to-modulate-cell-wall-lignin-structure-in-rice
#4
Yuri Takeda, Taichi Koshiba, Yuki Tobimatsu, Shiro Suzuki, Shinya Murakami, Masaomi Yamamura, Md Mahabubur Rahman, Toshiyuki Takano, Takefumi Hattori, Masahiro Sakamoto, Toshiaki Umezawa
Regulation of a gene encoding coniferaldehyde 5-hydroxylase leads to substantial alterations in lignin structure in rice cell walls, identifying a promising genetic engineering target for improving grass biomass utilization. The aromatic composition of lignin greatly affects utilization characteristics of lignocellulosic biomass and, therefore, has been one of the primary targets of cell wall engineering studies. Limited information is, however, available regarding lignin modifications in monocotyledonous grasses, despite the fact that grass lignocelluloses have a great potential for feedstocks of biofuel production and various biorefinery applications...
April 18, 2017: Planta
https://www.readbyqxmd.com/read/28419986/hypodysfibrinogenemia-with-a-heterozygous-mutation-of-%C3%AE-cys326ser-by-the-novel-transversion-of-tgt-to-tct-in-a-patient-with-pulmonary-thromboembolism-and-right-ventricular-thrombus
#5
Akiko Ushijima, Taichi Komai, Atsuko Masukawa, Keiko Oikawa, Norishige Morita, Satomi Asai, Saki Mukai, Nobuo Okumura, Yoshinori Kobayashi, Hayato Miyachi
We encountered a 45-year-old Japanese man who suffered from pulmonary thromboembolism and huge right ventricular thrombus after inferior vena cava (IVC) filter implantation without apparent thrombus in either the deep veins or inside the IVC filter. The biochemical data showed a discrepancy in the level of fibrinogen between the immunological and thrombin time methods, suggesting hypodysfibrinogenemia. The sequencing of the fibrinogen γ-chain gene (FGG) revealed a novel heterozygous missense mutation in exon 8 - a TGT to TCT transversion in codon 326 - resulting in an amino acid substitution of serine for cysteine (γCys326Ser)...
April 19, 2017: Cardiology
https://www.readbyqxmd.com/read/28415212/scaling-laws-of-reflection-coefficients-of-quantum-waves-at-a-cantor-like-potential
#6
Hidetsugu Sakaguchi, Taichi Ogawana
We reconsider a one-dimensional scattering problem in the Schrödinger equation with a Cantor-like potential. The reflection coefficient obeys a scaling law for sufficiently large wave number k. The scaling law is expressed with a universal function characterized by a multifractal.
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28410965/permissive-role-of-reduced-inwardly-rectifying-potassium-current-density-in-the-automaticity-of-the-guinea-pig-pulmonary-vein-myocardium
#7
Yayoi Tsuneoka, Masahiko Irie, Yusuke Tanaka, Takahiko Sugimoto, Yuka Kobayashi, Taichi Kusakabe, Keisuke Kato, Shogo Hamaguchi, Iyuki Namekata, Hikaru Tanaka
The electrophysiological properties underlying the automaticity of the guinea pig pulmonary vein myocardium were studied. About 30% of the isolated pulmonary vein tissue preparations showed spontaneous electrical activity, as shown by glass microelectrode recordings from their myocardial layer. The remaining quiescent preparations had a resting membrane potential less negative than that in the left atria. Blockade of the acetylcholine activated potassium current (IK-ACh) by tertiapin induced a depolarizing shift of the resting membrane potential and automatic electrical activity in the pulmonary vein, but not in the atria...
March 28, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28405468/cryptochrome-genes-form-an-oscillatory-loop-independent-of-the-per-tim-loop-in-the-circadian-clockwork-of-the-cricket-gryllus-bimaculatus
#8
Atsushi Tokuoka, Taichi Q Itoh, Shinryo Hori, Outa Uryu, Yoshiki Danbara, Motoki Nose, Tetsuya Bando, Teiichi Tanimura, Kenji Tomioka
BACKGROUND: Animals exhibit circadian rhythms with a period of approximately 24 h in various physiological functions, including locomotor activity. This rhythm is controlled by an endogenous oscillatory mechanism, or circadian clock, which consists of cyclically expressed clock genes and their product proteins. cryptochrome (cry) genes are thought to be involved in the clock mechanism, and their functions have been examined extensively in holometabolous insects, but in hemimetabolous insects their role is less well understood...
2017: Zoological Letters
https://www.readbyqxmd.com/read/28400079/smoking-and-subsequent-risk-of-leukemia-in-japan-the-japan-public-health-center-based-prospective-study
#9
Tomotaka Ugai, Keitaro Matsuo, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Taichi Shimazu, Shizuka Sasazuki, Manami Inoue, Shoichiro Tsugane
BACKGROUND: Cigarette smoking has been reported to be associated with an increased risk of leukemia. Most epidemiological evidence on the association between cigarette smoking and leukemia risk is from studies conducted in Western populations, however, and evidence from Asian populations is scarce. METHODS: We conducted a large-scale population-based cohort study of 96,992 Japanese subjects (46,493 men and 50,499 women; age 40-69 years at baseline) with an average 18...
April 8, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28398734/construction-of-prediction-models-for-the-transient-receptor-potential-vanilloid-subtype-1-trpv1-stimulating-activity-of-ginger-and-processed-ginger-based-on-lc-hrms-data-and-pls-regression-analyses
#10
Taichi Yoshitomi, Naohiro Oshima, Yuto Goto, Shunsuke Nakamori, Daigo Wakana, Naoko Anjiki, Koji Sugimura, Noriaki Kawano, Hiroyuki Fuchino, Osamu Iida, Toshiko Kagawa, Hideto Jinno, Nobuo Kawahara, Yoshinori Kobayashi, Takuro Maruyama
To construct a model formula to evaluate the thermogenetic effect of ginger (Zingiber officinale Roscoe) from the ingredient information, we established transient receptor potential vanilloid subtype 1 (TRPV1)-stimulating activity prediction models by using a partial least-squares projections to latent structures (PLS) regression analysis in which the ingredient data from liquid chromatography-high-resolution mass spectrometry (LC-HRMS) and the stimulating activity values for TRPV1 receptor were used as explanatory and objective variables, respectively...
April 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28391645/hematopoietic-stem-cell-transplantation-in-advanced-cutaneous-t-cell-lymphoma
#11
Hiroshi Saruta, Chika Ohata, Ikko Muto, Taichi Imamura, Eijiro Oku, Koichi Ohshima, Koji Nagafuji, Takekuni Nakama
We retrospectively reviewed data pertaining to five patients with cutaneous T-cell lymphoma (CTCL) who had received hematopoietic stem cell transplantation (HSCT) between 2004 and 2015 at Kurume University Hospital, along with their clinical data until March 2016. For patients with advanced CTCL eligible for HSCT, autologous HSCT was performed when they responded well to chemotherapy, and allogeneic HSCT was selected for patients with advanced mycosis fungoides (MF)/Sézary syndrome (SS) and CTCL other than MF/SS with poor chemosensitivity...
April 9, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28385373/computed-tomography-features-of-lung-adenocarcinomas-with-programmed-death-ligand-1-expression
#12
Gouji Toyokawa, Kazuki Takada, Tatsuro Okamoto, Mototsugu Shimokawa, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Masakazu Katsura, Fumihiro Shoji, Yoshinao Oda, Yoshihiko Maehara
INTRODUCTION: The development of immune checkpoint inhibitors against programmed death 1 has paved the way for a new era of treatment of lung cancer. Programmed death-ligand 1 (PD-L1) is expected to predict the response of immune checkpoint inhibitors in lung cancer. Predicting PD-L1 expression using a noninvasive method before immunotherapy would, therefore, help identify patients for whom immunotherapy can be successful. PATIENTS AND METHODS: A total of 394 patients with resected lung adenocarcinoma who had undergone preoperative thin-section computed tomography (CT) were analyzed for PD-L1 expression by immunohistochemistry and evaluated to determine the association between PD-L1 expression and CT characteristics, including convergence, surrounding ground glass opacity (GGO), air bronchogram, notching, pleural indentation, spiculation, and cavitation...
March 16, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28382853/primary-cerebellar-lymphoma-with-hodgkin-lymphoma-like-morphology-in-a-cat
#13
Yuka Yoshino, James K Chambers, Taichi Nakamori, Yuko Goto-Koshino, Kazuo Nishigaki, Hajime Tsujimoto, Naoaki Matsuki, Hiroyuki Nakayama, Kazuyuki Uchida
A 4-y-old cat exhibited neurologic signs such as wobbling, right head tilt, and intention tremor, and MRI revealed a mass in the cerebellum. The cat died 5 mo after initial presentation, and no neoplastic lesions, other than the cerebellar mass, were observed at autopsy. Histologically, large atypical cells resembling Hodgkin cells, with single large inclusion-like nucleoli, and those resembling Reed-Sternberg cells, with symmetrically arranged nuclei, had infiltrated the left side of the cerebellum and were admixed with small lymphocytes...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28381528/cruciferous-vegetable-intake-is-inversely-associated-with-lung-cancer-risk-among-current-nonsmoking-men-in-the-japan-public-health-center-study
#14
Nagisa Mori, Taichi Shimazu, Shizuka Sasazuki, Miho Nozue, Michihiro Mutoh, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Manami Inoue, Ribeka Takachi, Ayaka Sunami, Junko Ishihara, Tomotaka Sobue, Shoichiro Tsugane
Background: Cruciferous vegetables, a rich source of isothiocyanates, have been reported to lower the risk of several types of cancer, including lung cancer. However, evidence from prospective observations of populations with a relatively high intake of cruciferous vegetables is sparse.Objective: We investigated the association between cruciferous vegetable intake and lung cancer risk in a large-scale population-based prospective study in Japan.Methods: We studied 82,330 participants (38,663 men; 43,667 women) aged 45-74 y without a past history of cancer...
April 5, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28378032/computer-based-radiographic-quantification-of-joint-space-narrowing-progression-using-sequential-hand-radiographs-validation-study-in-rheumatoid-arthritis-patients-from-multiple-institutions
#15
Shota Ichikawa, Tamotsu Kamishima, Kenneth Sutherland, Jun Fukae, Kou Katayama, Yuko Aoki, Takanobu Okubo, Taichi Okino, Takahiko Kaneda, Satoshi Takagi, Kazuhide Tanimura
We have developed a refined computer-based method to detect joint space narrowing (JSN) progression with the joint space narrowing progression index (JSNPI) by superimposing sequential hand radiographs. The purpose of this study is to assess the validity of a computer-based method using images obtained from multiple institutions in rheumatoid arthritis (RA) patients. Sequential hand radiographs of 42 patients (37 females and 5 males) with RA from two institutions were analyzed by a computer-based method and visual scoring systems as a standard of reference...
April 4, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28374482/safety-and-efficacy-of-treatment-with-asfotase-alfa-in-patients-with-hypophosphatasia-results-from-a-japanese-clinical-trial
#16
Taichi Kitaoka, Toshihiro Tajima, Keisuke Nagasaki, Toru Kikuchi, Katsusuke Yamamoto, Toshimi Michigami, Satoshi Okada, Ikuma Fujiwara, Masayuki Kokaji, Hiroshi Mochizuki, Tsutomu Ogata, Koji Tatebayashi, Atsushi Watanabe, Shuichi Yatsuga, Takuo Kubota, Keiichi Ozono
OBJECTIVE: Hypophosphatasia (HPP) is a rare skeletal disease characterized by hypomineralization and low alkaline phosphatase activity. Asfotase alfa (AA) has been recently developed to treat HPP complications. This study evaluated its safety and efficacy in Japan. DESIGN: Open-label, multicenter, prospective trial. Patients were enrolled in 11 hospitals from June 2014 to July 2015. PATIENTS: Thirteen patients (9 females, 4 males) ages 0 days to 34 years at baseline were enrolled and treated with AA (2 mg/kg three times weekly subcutaneously in all but one patient)...
April 4, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28373613/influential-factors-on-serum-albumin-concentration-in-hospitalized-chronic-kidney-disease-patients
#17
Sakiya Yoshimoto, Kojiro Nagai, Eriko Shibata, Sayo Ueda, Hiroyuki Ono, Masanori Tamaki, Kenji Nishimura, Fumiaki Obata, Taizo Inagaki, Masanori Minato, Fumi Kishi, Motokazu Matsuura, Naoko Matsui, Itsuro Endo, Michael Hann, Seiji Kishi, Taichi Murakami, Hideharu Abe, Toshio Doi
BACKGROUND: Serum albumin concentration (SAC) is a prognostic factor that is affected by many factors such as postural change, liver function and food intake. Chronic kidney disease (CKD) patients excrete proteinuria, have low-protein diet, and receive glucocorticoid therapy. No one has evaluated the most influential factors on SAC in CKD patients. METHODS: A retrospective study. Hospitalized CKD patients with less than 1 g/gCreatinine proteinuria receiving glucocorticoid therapy (n=28), with 1 or more g/gCreatinine proteinuria not receiving glucocorticoid therapy (n=36), and with 1 or more g/gCreatinine proteinuria receiving glucocorticoid therapy (n=39) were enrolled...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28368947/female-reproductive-factors-exogenous-hormone-use-and-pancreatic-cancer-risk-the-japan-public-health-center-based-prospective-study
#18
Yvonne Teng, Eiko Saito, Sarah K Abe, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Taichi Shimazu, Shizuka Sasazuki, Manami Inoue, Shoichiro Tsugane
An association between female reproductive factors, exogenous hormone use, and pancreatic cancer risk has long been suggested in laboratory settings, but epidemiological findings remain mixed and inconclusive. Studies carried out on Asian populations are also limited. In this study, 45 617 women aged 40-69 years were followed for an average of 18.4 years in the Japan Public Health Center-based prospective cohort and 211 pancreatic cases were identified as of 31 December 2011. We applied multivariate-adjusted Cox proportional hazards regression models using age as a time-scale to assess the association between female reproductive factors (menstrual status, menarche age, menopause age, number of births, age at first birth, total years of fertility, history of breastfeeding) and exogenous hormone use with the incidence of pancreatic cancer through hazard ratios and confidence intervals...
March 31, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28362652/the-association-between-plasma-c-peptide-concentration-and-the-risk-of-prostate-cancer-a-nested-case-control-study-within-a-japanese-population-based-prospective-study
#19
Grace Y Kiyabu, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Taichi Shimazu, Shizuka Sasazuki, Manami Inoue, Shoichiro Tsugane
The association between plasma C-peptide concentration and prostate cancer is unclear. Inconsistency of results from previous studies motivates this study. Using the Japan Public Health Center-based Prospective study, 201 prostate cancer cases and 402 controls were matched by age, public health center area, residence, date and time of blood collection, and fasting duration before blood collection. Odds ratios (OR) and 95% confidence intervals (CIs) were estimated by conditional logistic regression models. Out of 201 cases, 144 were localized and 48 were advanced...
March 30, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28347537/relevance-between-programmed-death-ligand-1-and-radiologic-invasiveness-in-pathologic-stage-i-lung-adenocarcinoma
#20
Gouji Toyokawa, Kazuki Takada, Tatsuro Okamoto, Satoshi Kawanami, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Masakazu Katsura, Yuichi Yamada, Fumihiro Shoji, Shingo Baba, Takeshi Kamitani, Yoshinao Oda, Hiroshi Honda, Yoshihiko Maehara
BACKGROUND: Programmed death ligand 1 (PD-L1) was reported to predict the response of immunotherapy; however, the association between PD-L1 expression and radiologic and pathologic features has yet to be elucidated. METHODS: In all, 292 patients with resected pathologic stage I adenocarcinoma were analyzed for PD-L1 expression by immunohistochemistry and evaluated to determine the association between PD-L1 expression and the radiologic/pathologic invasiveness. Specifically, the radiologic invasiveness and noninvasiveness were determined based on the consolidation/tumor ratio, with a cutoff value of 0...
March 24, 2017: Annals of Thoracic Surgery
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