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https://www.readbyqxmd.com/read/29047213/baseline-and-time-averaged-values-predicting-residual-renal-function-decline-rate-in-japanese-peritoneal-dialysis-patients
#1
Kiyotaka Uchiyama, Akane Yanai, Keizo Maeda, Keisuke Ono, Kazuya Honda, Ryuji Tsujimoto, Yuka Kamijo, Mai Yanagi, Yoshitaka Ishibashi
Residual renal function (RRF) is a strong prognostic factor of morbidity and mortality in patients undergoing peritoneal dialysis (PD). We determined predictors of the RRF rate of decline using both baseline values and time-averaged ones. We retrospectively analyzed 94 patients being treated with PD at the Japanese Red Cross Medical Center. The decline rate of RRF was calculated by a diminution in the weekly renal Kt/V between the first and last follow up divided by follow-up years. The mean follow-up period was 2...
October 19, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29036640/toxicokinetics-of-the-synthetic-cathinone-%C3%AE-pyrrolidinohexanophenone
#2
Yuji Fujita, Toshinori Mita, Kiyotaka Usui, Yoshito Kamijo, Satoshi Kikuchi, Makoto Onodera, Yasuhisa Fujino, Yoshihiro Inoue
Synthetic cathinones inhibit monoamine transporters, such as serotonin, norepinephrine, and dopamine transporters, and act on the central nervous system via increasing synaptic concentrations of monoamines. These compounds, which are highly addictive and potentially poisonous, are new psychoactive substances. In this study, we investigated the toxicokinetics of the synthetic cathinone, α-pyrrolidinohexanophenone (α-PHP), and assessed the relationship between the toxicokinetics and the long-term clinical symptoms induced by α-PHP in a male patient...
September 28, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28985100/aerobic-exercise-during-encoding-impairs-hippocampus-dependent-memory
#3
Keishi Soga, Keita Kamijo, Hiroaki Masaki
We investigated how aerobic exercise during encoding affects hippocampus-dependent memory through a source memory task that assessed hippocampus-independent familiarity and hippocampus-dependent recollection processes. Using a within-participants design, young adult participants performed a memory-encoding task while performing a cycling exercise or being seated. The subsequent retrieval phase was conducted while sitting on a chair. We assessed behavioral and event-related brain potential measures of familiarity and recollection processes during the retrieval phase...
October 6, 2017: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/28978980/role-of-bardoxolone-methyl-a-nuclear-factor-erythroid-2-related-factor-2-activator-in-aldosterone-and-salt-induced-renal-injury
#4
Mikako Hisamichi, Atsuko Kamijo-Ikemori, Takeshi Sugaya, Seiko Hoshino, Kenjiro Kimura, Yugo Shibagaki
The aim of this study was to investigate the renoprotective effect of bardoxolone methyl (BM), a nuclear factor erythroid 2-related factor 2 (Nrf2) activator with an antioxidant effect, in a salt-sensitive hypertension model induced by aldosterone (Ald) and salt. Tubulointerstitial damage with urinary liver-type fatty acid-binding protein (L-FABP) was evaluated using human L-FABP chromosomal transgenic (L-FABP(+/-)) male mice. The mice in the Ald group (n=7) received systemic Ald infusions via an osmotic minipump and were given 1% NaCl water for 35 days...
October 5, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28977598/rac1-dosage-is-crucial-for-normal-endochondral-bone-growth
#5
Dai Suzuki, Jason R Bush, Dawn-Marie Bryce, Ryutaro Kamijo, Frank Beier
Rac1, a member of the small Rho GTPase family, plays multiple cellular roles. Studies of mice conditionally lacking Rac1 have revealed essential roles for Rac1 in various tissues, including cartilage and limb mesenchyme, where Rac1 loss produces dwarfism and long bone shortening. To gain further insight into the role of Rac1 in skeletal development, we have used transgenic mouse lines to express a constitutively active (ca) Rac1 mutant protein in a Cre recombinase-dependent manner. Overexpression of caRac1 in limb bud mesenchyme or chondrocytes leads to reduced body weight and shorter bones compared with control mice...
October 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28976540/effects-of-the-fitkids-physical-activity-randomized-controlled-trial-on-conflict-monitoring-in-youth
#6
Eric S Drollette, Matthew B Pontifex, Lauren B Raine, Mark R Scudder, R Davis Moore, Shih-Chun Kao, Daniel R Westfall, Chien-Ting Wu, Keita Kamijo, Darla M Castelli, Naiman A Khan, Arthur F Kramer, Charles H Hillman
The present study investigated the effect of a 9-month physical activity (PA) intervention on children's cardiorespiratory fitness levels and neuroelectric indices of conflict monitoring (i.e., error-related negativity, ERN). Four hundred twenty-eight preadolescent children (8-9 years old) were randomized into a PA intervention or wait-list control group, and completed a fitness and cognitive control assessment (i.e., modified flanker task) at pre- and posttest. Following exclusion criterion, 308 children were included in the analyses (PA intervention: n = 139; wait-list control: n = 169)...
October 4, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28967507/effects-of-zostera-marina-on-the-patterns-of-spatial-distribution-of-sediments-and-macrozoobenthos-in-the-boreal-lagoon-of-furen-hokkaido-japan
#7
P Magni, S Como, A Kamijo, S Montani
Understanding patterns of spatial variations in benthic seagrass assemblages is a central issue in seagrass ecology. However, how patterns of spatial variations in macrozoobenthos and associated sediments differ between vegetated and unvegetated areas remain largely unexplored. In the present study, two different habitats represented by dense Zostera marina beds (Zostera) and unvegetated sediments (Bare) were compared at three locations, 100's meters apart, located at progressive distance from the Furen river in the boreal lagoon of Furen (Hokkaido, Japan)...
September 20, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28948078/muscle-training-induced-bilateral-brachial-plexopathy-in-an-adolescent-with-sporadic-hereditary-neuropathy-with-liability-to-pressure-palsies
#8
Minori Kodaira, Satoshi Kodama, Yui Kamijo, Tomoki Kaneko, Yoshiki Sekijima
There have been few studies regarding physical training-induced peripheral nerve dysfunction in patients with hereditary neuropathy with liability to pressure palsies (HNPP), with the exception of soldiers that trained intensively. Here, we report a 15-year-old boy without family history of HNPP who developed bilateral painless brachial plexopathy following short-term barbell and plank training during a school baseball club activity. Muscle training-induced painless brachial plexopathy could be an initial symptom and may be underdiagnosed in adolescents with sporadic HNPP...
September 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28925057/serum-vascular-endothelial-growth-factor-a-levels-reflect-itch-severity-in-mycosis-fungoides-and-s%C3%A3-zary-syndrome
#9
Minami Sakamoto, Tomomitsu Miyagaki, Hiroaki Kamijo, Tomonori Oka, Naomi Takahashi, Hiraku Suga, Ayumi Yoshizaki, Yoshihide Asano, Makoto Sugaya, Shinichi Sato
Angiogenesis is an important step to support progression of malignancies, including mycosis fungoides (MF) and Sézary syndrome (SS). Vascular endothelial growth factor (VEGF)-A, a key player in angiogenesis, is secreted by tumor cells of MF/SS and its expression levels in lesional skin correlated with disease severity. In this study, we examined serum VEGF-A levels in MF/SS patients. Serum VEGF-A levels were elevated in patients with erythrodermic MF/SS and the levels decreased after treatment. Importantly, serum VEGF-A levels positively correlated with markers for pruritus...
September 19, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28915622/genomic-analysis-integrated-whole-exome-sequencing-of-neuroblastomas-identifies-genetic-mutations-in-axon-guidance-pathway
#10
Yuanyuan Li, Miki Ohira, Yong Zhou, Teng Xiong, Wen Luo, Chao Yang, Xiangchun Li, Zhibo Gao, Rui Zhou, Yohko Nakamura, Takehiko Kamijo, Yasuhiko Kaneko, Takeshi Taketani, Junichi Ueyama, Tatsuro Tajiri, Hongyan Zhang, Jian Wang, Huanming Yang, Ye Yin, Akira Nakagawara
Neuroblastoma (NB) is a childhood solid malignant tumor originating from precursor cells of the peripheral nervous system. We have previously established a risk classification system based on DNA copy number profiles. To further explore the pathogenesis of NBs in distinct risk groups, we performed whole-exome sequencing analysis of 57 primary and 7 recurrent/metastatic tumors with unique chromosomal aberration profiles as categorized by our genomic sub-grouping system. Overall, a low frequency of somatic mutations was found...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28888756/renoprotective-effect-of-the-xanthine-oxidoreductase-inhibitor-topiroxostat-under-decreased-angiotensin-ii-type-1a-receptor-expression
#11
Keiichi Ohata, Atsuko Kamijo-Ikemori, Takeshi Sugaya, Chihiro Hibi, Takashi Nakamura, Takayo Murase, Tsuyoshi Oikawa, Seiko Hoshino, Kimie Katayama, Junko Asano, Kenjiro Kimura, Yugo Shibagaki
The aim of this study was to confirm the renoprotective effect of xanthine oxidoreductase (XOR) inhibitor, topiroxostat, compared with another XOR inhibitor, febuxostat, under decreased angiotensin II type 1a (AT1a) receptor expression in the model of renal injury caused by adenine. To evaluate the degree of tubular damage using urinary liver-type fatty acid-binding protein (L-FABP) under decreased AT1a expression, we used AT1a receptor knockdown hetero and human L-FABP chromosomal transgenic (Tg) mice (AT1a(+/-)L-FABP(+/-))...
September 6, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28872349/urinary-liver-type-fatty-acid-binding-protein-is-associated-with-subendocardial-viability-ratio-in-middle-and-older-aged-adults
#12
Keisei Kosaki, Atsuko Kamijo-Ikemori, Takeshi Sugaya, Koichiro Tanahashi, Hiroshi Kumagai, Yuriko Sawano, Nobuhiko Akazawa, Yosuke Osuka, Kiyoji Tanaka, Kenjiro Kimura, Yugo Shibagaki, Seiji Maeda
BACKGROUND: To identify one of the physiological underlying mechanisms of the predictive effects of urinary liver-type fatty acid-binding protein (L-FABP) for the onset of cardiovascular disease (CVD), we investigated the relationship between urinary L-FABP levels and subendocardial viability ratio (SEVR), a marker of myocardial perfusion, in middle- and older-aged adults. METHODS: This was a cross-sectional study of 249 middle- and older-aged adults (aged 46-83 years)...
September 5, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28863074/interval-walking-training-and-nutritional-intake-to-increase-plasma-volume-in-elderly
#13
Koji Uchida, Yoshi-Ichiro Kamijo, Shigeki Ikegawa, Koichiro Hamada, Shizue Masuki, Hiroshi Nose
PURPOSE: Aerobic training-induced plasma volume (PV) expansion improves thermoregulation, and carbohydrate (CHO) + whey protein supplementation enhanced the effects in older people; however, these were suggested by studies on gym-based cycling training but not on home-based interval walking training (IWT). Moreover, long-term walking training effects on PV remain unknown. METHODS: Seventeen male and 10 female subjects (~69 yr), having performed IWT for ≥24 months before the study, were used...
August 31, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28856578/a-case-of-mild-phenotype-alport-syndrome-caused-by-col4a3-mutations
#14
Masafumi Kamijo, Mineaki Kitamura, Kumiko Muta, Tadashi Uramatsu, Yoko Obata, Kandai Nozu, Hiroshi Kaito, Kazumoto Iijima, Hiroshi Mukae, Tomoya Nishino
In a case of 41-year-old man with mild nephropathy, Alport syndrome (AS) was diagnosed from the renal biopsy. However, the α5 chain of type IV collagen expressed in the glomerular basement membrane, which was the atypical staining pattern of AS. Genetic testing suggested autosomal recessive AS from heterozygous mutations at two positions in the type IV collagen α3 chain. These two gene mutations represented a new pattern of mutation and was suggested the association with an atypical α5 chain expression and mild phenotype...
August 30, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28851654/il-1%C3%AE-suppresses-nephronectin-expression-in-osteoblasts-via-erk1-2-and-jnk
#15
Yuka Iezumi, Atsushi Yamada, Erika Minami, Mikiko Ikehata, Yuko Yoshida, Tadashi Kato, Naoko Morimura, Hiroaki Ogata, Akiko Sakashita, Takehiko Iijima, Daichi Chikazu, Ryutaro Kamijo
Nephronectin (Npnt), an extracellular matrix protein, is considered to play critical roles in development of various tissues and their functions. In basic science experiments, we found that interleukin-1β (IL-1β), well known to have an important role in inflammatory response, inhibited Npnt gene expression in MC3T3-E1 cells, a mouse osteoblastic cell line. The purpose of this study was to investigate mechanisms that govern the regulation of Npnt gene expression by IL-1β in osteoblasts.
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28807711/delayed-diagnosis-of-cast-nephropathy
#16
Chihiro Kamijo, Yukinori Harada
No abstract text is available yet for this article.
August 12, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28768822/intravenous-immunoglobulin-for-maintenance-treatment-of-chronic-inflammatory-demyelinating-polyneuropathy-a-multicentre-open-label-52-week-phase-iii-trial
#17
MULTICENTER STUDY
Satoshi Kuwabara, Masahiro Mori, Sonoko Misawa, Miki Suzuki, Kazutoshi Nishiyama, Tatsuro Mutoh, Shizuki Doi, Norito Kokubun, Mikiko Kamijo, Hiroo Yoshikawa, Koji Abe, Yoshihiko Nishida, Kazumasa Okada, Kenji Sekiguchi, Ko Sakamoto, Susumu Kusunoki, Gen Sobue, Ryuji Kaji
OBJECTIVE: Short-term efficacy of induction therapy with intravenous immunoglobulin (Ig) in patients with chronic inflammatory demyelinating polyneuropathy (CIDP) is well established. However, data of previous studies on maintenance therapy were limited up to 24-week treatment period. We aimed to investigate the efficacy and safety of longer-term intravenous Ig therapy for 52 weeks. METHODS: This study was an open-label phase 3 clinical trial conducted in 49 Japanese tertiary centres...
October 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28754466/nanoindentation-time-dependent-deformation-recovery-suggestive-of-methylglyoxal-induced-glycation-in-calcified-nodules
#18
Reena Rodriguez, Kentaro Yoshimura, Yo Shibata, Yoichi Miyamoto, Reina Tanaka, Risa Uyama, Kiyohito Sasa, Dai Suzuki, Takashi Miyazaki, Ryutaro Kamijo
Although empirical findings have indicated increase in bone fracture risk in type 2 diabetes patients, that has yet to be proven by results obtained at the material level. Here, we report evidence showing nanoscale time-dependent deformation/recovery of in vitro calcified nodules mimicking bone turnover in type 2 diabetes in respect to methylglyoxal (MG)-induced glycation. Nanoindentation test results revealed that calcified nodules cultured with MG did not show adequate dimensional recovery, despite a large creep rate during constant load indentation testing...
July 25, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28725169/postoperative-delirium-after-pharyngolaryngectomy-with-esophagectomy-a-role-for-ramelteon-and-suvorexant
#19
Eisuke Booka, Yasuhiro Tsubosa, Teruaki Matsumoto, Mari Takeuchi, Takashi Kitani, Masato Nagaoka, Atsushi Imai, Tomoyuki Kamijo, Yoshiyuki Iida, Ayako Shimada, Katsushi Takebayashi, Masahiro Niihara, Keita Mori, Tetsuro Onitsuka, Hiroya Takeuchi, Yuko Kitagawa
BACKGROUND: Postoperative delirium is common after extensive surgery, and is known to be associated with sleeping medications. In this study, we aimed to investigate the relationships between sleeping medications and postoperative delirium after pharyngolaryngectomy with esophagectomy. METHODS: We performed a retrospective analysis of 65 patients who underwent pharyngolaryngectomy with esophagectomy at Shizuoka Cancer Center Hospital between January 2012 and March 2016...
2017: Esophagus: Official Journal of the Japan Esophageal Society
https://www.readbyqxmd.com/read/28724855/decreased-fatty-acid-%C3%AE-oxidation-is-the-main-cause-of-fatty-liver-induced-by-polyunsaturated-fatty-acid-deficiency-in-mice
#20
Takero Nakajima, Yang Yang, Yu Lu, Yuji Kamijo, Yosuke Yamada, Kozo Nakamura, Masahiro Koyama, Shohei Yamaguchi, Eiko Sugiyama, Naoki Tanaka, Toshifumi Aoyama
Insufficient intake of polyunsaturated fatty acids (PUFA) causes fatty liver. The mechanism responsible is primarily related to increased lipogenesis and decreased FA degradation based on rodent studies. However, these studies were limited by the fact that the typical PUFA-deficient diets contained insufficient amounts of long-chain FA, the PUFA-containing diets were primarily composed of n-3 PUFA-enriched oil, and the intake of PUFA was excessive compared with the physiological requirement. To address these issues, mice were fed a PUFA-deficient diet containing long-chain FA at a standard fed level and then were orally fed a n-3/n-6-balanced PUFA-containing oil [PUFA (+)] or a PUFA-deficient oil [PUFA (-)] at physiological relevant levels (0...
July 2017: Tohoku Journal of Experimental Medicine
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