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Journal of Clinical Biochemistry and Nutrition

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https://www.readbyqxmd.com/read/29203966/microvascular-endothelial-function-in-japanese-early-adolescents
#1
Yutaka Odanaka, Kimitaka Takitani, Hiroshi Katayama, Hiroshi Fujiwara, Kanta Kishi, Noriyasu Ozaki, Atsuko Ashida, Ryuzo Takaya, Hiroshi Tamai
Endothelial dysfunction is the early predictive factor for the development of atherosclerosis and future cardiovascular diseases in adulthood. The prevalence of endothelial dysfunction in children and early adolescents is increasing worldwide. Peripheral arterial tonometry is a noninvasive technique for assessing peripheral microvascular function and is used as a validated marker of endothelial function. We assessed anthropometric parameters, blood pressure, arterial stiffness, and peripheral endothelial function in 157 Japanese early adolescents (75 boys and 82 girls)...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203965/the-preventive-effect-of-the-impaired-liver-function-for-antiemetic-therapy-against-chemotherapy-induced-nausea-and-vomiting-in-hepatocellular-carcinoma-patients
#2
Tomohiro Nishikawa, Akira Asai, Norio Okamoto, Hidetaka Yasuoka, Ken Nakamura, Keisuke Yokohama, Hideko Ohama, Yusuke Tsuchimoto, Shinya Fukunishi, Yasuhiro Tsuda, Kazuhiro Yamamoto, Kazuhide Higuchi
Transarterial chemoembolization and hepatic arterial infusion chemotherapy are recommended for the treatment in patients with intermediate stage of hepatocellular carcinoma. Impaired liver function was sometime observed in patients with hepatocellular carcinoma after transarterial chemoembolization or hepatic arterial infusion chemotherapy. However, what kinds of factors deeply influence in impaired liver function are not clear. A retrospective study was performed to evaluate the risk factors of impaired liver function in cisplatin-naïve patients treated with these therapies using cisplatin...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203964/prediction-of-functional-profiles-of-gut-microbiota-from-16s-rrna-metagenomic-data-provides-a-more-robust-evaluation-of-gut-dysbiosis-occurring-in-japanese-type-2-diabetic-patients
#3
Ryo Inoue, Ryuji Ohue-Kitano, Takamitsu Tsukahara, Masashi Tanaka, Shinya Masuda, Takayuki Inoue, Hajime Yamakage, Toru Kusakabe, Koji Hasegawa, Akira Shimatsu, Noriko Satoh-Asahara
We assessed whether gut microbial functional profiles predicted from 16S rRNA metagenomics differed in Japanese type 2 diabetic patients. A total of 22 Japanese subjects were recruited from our outpatient clinic in an observational study. Fecal samples were obtained from 12 control and 10 type 2 diabetic subjects. 16S rRNA metagenomic data were generated and functional profiles predicted using "Phylogenetic Investigation of Communities by Reconstruction of Unobserved States" software. We measured the parameters of glucose metabolism, gut bacterial taxonomy and functional profile, and examined the associations in a cross-sectional manner...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203963/ingestion-of-green-tea-with-lowered-caffeine-improves-sleep-quality-of-the-elderly-via-suppression-of-stress
#4
Keiko Unno, Shigenori Noda, Yohei Kawasaki, Hiroshi Yamada, Akio Morita, Kazuaki Iguchi, Yoriyuki Nakamura
Epidemiological and animal studies have demonstrated that ingestion of green tea enhances healthy life. However, caffeine in green tea can interfere with sleep. In this report, we examined the effect of green tea with lowered caffeine, low-caffeine green tea, on stress and sleep of the elderly. The participants (n = 10, mean age 89.3 ± 4.2 years) drank five cups/day of standard green tea for 1 week. Subsequently, they drank five cups/day of low-caffeine green tea for 2 weeks. Salivary α-amylase activity (sAA) was measured as a stress marker...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203962/sake-lees-hydrolysate-protects-against-acetaminophen-induced-hepatotoxicity-via-activation-of-the-nrf2-antioxidant-pathway
#5
Kayoko Kawakami, Chie Moritani, Misugi Uraji, Akiko Fujita, Koji Kawakami, Tadashi Hatanaka, Etsuko Suzaki, Seiji Tsuboi
Acetaminophen is a commonly used analgesic. However, an overdose of acetaminophen causes severe hepatotoxicity via depletion of hepatic glutathione. Here, we investigated the protective effects of sake lees hydrolysate against acetaminophen-induced hepatotoxicity in mice. Sake lees hydrolysate was administered orally to ICR mice for seven days. Six hours after acetaminophen treatment, the mice were sacrificed, and blood and liver samples were collected for analysis. Treatment with acetaminophen markedly increased the levels of serum alanine aminotransferase, aspartate aminotransferase, lactate dehydrogenase, and alkaline phosphatase...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203961/oleuropein-improves-insulin-resistance-in-skeletal-muscle-by-promoting-the-translocation-of-glut4
#6
Yoko Fujiwara, Chisato Tsukahara, Naoe Ikeda, Yasuko Sone, Tomoko Ishikawa, Ikuyo Ichi, Taisuke Koike, Yoshinori Aoki
As the beneficial effects of the Mediterranean diet on human health are well established, the phenolic compounds in olive oil have been gaining interest. Oleuropein, a major phenolic compound in olives, is known to reduce the blood glucose levels in alloxan-induced diabetic rats and rabbits, however, its effect on type 2 diabetes caused by obesity is not clear. The purpose of this study is clarifying the effect of oleuropein on the glucose tolerance in skeletal muscle under the condition of lipotoxicity caused by type 2 diabetes...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203960/monascus-purpureus-induced-apoptosis-on-gastric-cancer-cell-by-scavenging-mitochondrial-reactive-oxygen-species
#7
Hiromi Kurokawa, Hiromu Ito, Hirofumi Matsui
Monascus purpureus is a red dye derived from yeast rice and has been used as color additives for food in East Asia. Monascus purpureus consists of several bioactive components. Some of these components work as a radical scavenger, thus monascus purpureus would also eliminate reactive oxygen species. Cancer cells maintain the high level of reactive oxygen species than normal cell and are death by imbalance in pro-oxidant/antioxidant homeostasis. In this study, we investigated whether monascus purpureus induced cancer specific cell death by scavenging reactive oxygen species...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203959/cancer-cell-specific-mitochondrial-reactive-oxygen-species-promote-non-heme-iron-uptake-and-enhance-the-proliferation-of-gastric-epithelial-cancer-cell
#8
Hiromu Ito, Hiromi Kurokawa, Aki Hirayama, Hiroko P Indo, Hideyuki J Majima, Hirofumi Matsui
Iron is an essential nutrient for life and is involved in many important processes such as oxygen transport and DNA synthesis. However, excess amounts of iron can cause carcinogenesis by producing reactive oxygen species. Thus, the cellular transport of iron must be tightly regulated. In the human body, iron may be present as heme or non-heme iron. The mechanisms governing the cellular transport of these forms have not been clearly elucidated. We previously reported that the expression of an important heme transporter, heme carrier protein 1 was regulated by cancer-specific reactive oxygen species derived from mitochondria...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203958/role-of-catalytic-iron-and-oxidative-stress-in-nitrofen-induced-congenital-diaphragmatic-hernia-and-its-amelioration-by-saireito-tj-114
#9
Shima Hirako, Hiroyuki Tsuda, Fumiya Ito, Yasumasa Okazaki, Tasuku Hirayama, Hideko Nagasawa, Tomoko Nakano, Kenji Imai, Tomomi Kotani, Fumitaka Kikkawa, Shinya Toyokuni
Congenital diaphragmatic hernia (CDH) is a life-threatening neonatal disease that leads to lung hypoplasia and pulmonary hypertension. We recently found that maternal prenatal administration of Saireito (TJ-114) ameliorates fetal CDH in a nitrofen-induced rat model. Here, we studied the role of iron and oxidative stress in neonates of this model and in lung fibroblasts IMR90-SV in association with nitrofen and Saireito. We observed increased immunostaining of 8-hydroxy-2'-deoxyguanosine in the lungs of neonates with CDH, which was ameliorated by maternal Saireito intake...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203957/parabanic-acid-is-the-singlet-oxygen-specific-oxidation-product-of-uric-acid
#10
Sayaka Iida, Yuki Ohkubo, Yorihiro Yamamoto, Akio Fujisawa
Uric acid quenches singlet oxygen physically or reacts with it, but the oxidation product has not been previously characterized. The present study determined that the product is parabanic acid, which was confirmed by LC/TOFMS analysis. Parabanic acid was stable at acidic pH (<5.0), but hydrolyzed to oxaluric acid at neutral or alkaline pH. The total yields of parabanic acid and oxaluric acid based on consumed uric acid were ~100% in clean singlet oxygen production systems such as UVA irradiation of Rose Bengal and thermal decomposition of 3-(1,4-dihydro-1,4-epidioxy-4-methyl-1-naphthyl)propionic acid...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203956/stabilizers-of-edaravone-aqueous-solution-and-their-action-mechanisms-2-glutathione
#11
Masahiko Tanaka, Satsuki Motomiya, Akio Fujisawa, Yorihiro Yamamoto
Edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one) has garnered attention since its approval for amyotrophic lateral sclerosis in Japan (2015) and the United States (2017). Edaravone is administered intravenously, and as such, is distributed in the form of an aqueous solution. However, aqueous solutions of edaravone are very unstable because they present as edaravone anions, which become edaravone radicals when the anion donates an electron to free radicals including oxygen. In this study, glutathione (GSH) stabilized an aqueous edaravone solution during storage at 60°C for 4 weeks, and prevented the formation of potentially carcinogenic phenylhydrazine, while cysteine did not...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/29203955/stabilizers-of-edaravone-aqueous-solution-and-their-action-mechanisms-1-sodium-bisulfite
#12
Masahiko Tanaka, Natsuhiko Sugimura, Akio Fujisawa, Yorihiro Yamamoto
Edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one) has been used as a free radical scavenging drug for the treatment of acute ischemic stroke in Japan since 2001. Edaravone is given to patients intravenously; therefore, it is distributed in the form of an aqueous solution. However, aqueous solutions of edaravone are very unstable because it is present as edaravone anion, which is capable of transferring an electron to free radicals including oxygen, and becomes edaravone radical. We observed the formation of hydrogen peroxide and edaravone trimer when aqueous edaravone solution was kept at 60°C for 4 weeks...
November 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955134/energy-metabolism-during-the-perioperative-period-of-gastric-endoscopic-submucosal-dissection
#13
Daisuke Chinda, Tadashi Shimoyama, Shiro Hayamizu, Kuniaki Miyazawa, Tetsu Arai, Miyuki Yanagimachi, Toshiaki Tsukamoto, Tatsuya Mikami, Shinsaku Fukuda
The aim of this study was to investigate the change in the energy metabolism and invasiveness in the perioperative period of endoscopic submucosal dissection for early gastric cancer. Fifty-two consecutive patients were enrolled into the study between July 2013 and May 2014 and examined resting energy expenditure using an indirect calorimeter, body weight and basal energy expenditure using the Harris-Benedict equation before and after endoscopic submucosal dissection. Resting energy expenditure/body weight and resting energy expenditure/basal energy expenditure were 20...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955133/evaluation-of-uric-acid-levels-thyroid-function-and-anthropometric-parameters-in-japanese-children-with-down-syndrome
#14
Tomomi Niegawa, Kimitaka Takitani, Ryuzo Takaya, Manabu Ishiro, Yuichi Kuroyanagi, Keisuke Okasora, Yukako Minami, Takuya Matsuda, Hiroshi Tamai
Down syndrome, caused by trisomy 21, is characterized by congenital abnormalities as well as mental retardation. From the neonatal stage through adolescence, patients with Down syndrome often have several complications. Thus, it is important to attain knowledge of the prevalence of these comorbidities in children with Down syndrome. We, therefore, evaluated the biochemical data, thyroid function, and anthropometric parameters, and analyzed the association among them in Japanese children and early adolescents with Down syndrome...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955132/epigastric-pain-syndrome-accompanying-pancreatic-enzyme-abnormalities-was-overlapped-with-early-chronic-pancreatitis-using-endosonography
#15
Satomi Hashimoto, Seiji Futagami, Hiroshi Yamawaki, Keiko Kaneko, Yasuhiro Kodaka, Mako Wakabayashi, Noriko Sakasegawa, Shuhei Agawa, Kazutoshi Higuchi, Teppei Akimoto, Nobue Ueki, Tetsuro Kawagoe, Hitomi Sato, Katsuhisa Nakatsuka, Kaya Gudis, Chiaki Kawamoto, Takashi Akamizu, Choitsu Sakamoto, Katsuhiko Iwakiri
There was not available data about the overlap between functional dyspepsia (FD) and pancreatic diseases. We aimed to determine whether epigastric pain syndrome (EPS) accompanying with pancreatic enzyme abnormalities were associated with early chronic pancreatitis proposed by Japan Pancreas Society (JPS) using endosonography. We enrolled 99 consecutive patients presenting with typical symptoms of FD, including patients with postprandial distress syndrome (PDS) (n = 59), EPS with pancreatic enzyme abnormalities (n = 41) and EPS without pancreatic enzyme abnormalities (n = 42) based on Rome III criteria...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955131/effect-of-chlorella-derived-multicomponent-supplementation-on-maximal-oxygen-uptake-and-serum-vitamin-b2-concentration-in-young-men
#16
Asako Zempo-Miyaki, Seiji Maeda, Takeshi Otsuki
Chlorella is a unicellular green alga that contains high levels of proteins, vitamins and minerals. The present study investigated the effects of a 4-week Chlorella-derived multicomponent supplementation on maximal oxygen uptake and circulating vitamin B2 levels in healthy men. Thirty-four participants were randomly divided into two groups: placebo or Chlorella. Prior to the intervention, we observed that the intake of several minerals and soluble vitamins did not satisfy the nutrient requirements of either group by assessing the frequency of daily food intake...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955130/association-between-body-shape-index-and-small-dense-ldl-particles-in-a-cohort-of-mediterranean-women-findings-from-progetto-atena
#17
Marco Gentile, Gabriella Iannuzzo, Amalia Mattiello, Fabiana Rubba, Salvatore Panico, Paolo Rubba
Small dense LDL particles (sd-LDL) and body shape index (ABSI), were evaluated in 228 women, living in Naples, Italy (Progetto ATENA). Serum cholesterol, HDL-cholesterol, LDL-cholesterol, triglycerides, insulin, HOMA, Apo B, hs-CPR and sd-LDL were measured. LDL particle separation was performed by Lipoprint System: seven LDL subfractions were obtained and LDL score (% of sd-LDL particles) calculated. ABSI was calculated according to Krakauer's formula: ABSI (m(11/6) kg(-2/3)). The association between sd-LDL and ABSI was evaluated taking into account different adjustment models...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955129/adherence-to-the-dietary-approaches-to-stop-hypertension-trial-dash-diet-is-inversely-associated-with-incidence-of-insulin-resistance-in-adults-the-tehran-lipid-and-glucose-study
#18
Saeed Esfandiari, Zahra Bahadoran, Parvin Mirmiran, Maryam Tohidi, Fereidoun Azizi
Beneficial effects of Dietary Approaches to Stop Hypertension trial (DASH) diet on features of metabolic syndrome have been indicated in clinical studies. In this study, we aimed to assess possible association of DASH diet score and the risk of insulin resistance in an Iranian population. In this prospective cohort study, 927 adult men and women, were recruited. Fasting serum insulin and glucose were measured at baseline and again after 3 years. Usual dietary intakes were measured using a validated 168 item semi-quantitative food frequency questionnaire and DASH score was calculated...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955128/combined-effect-of-body-mass-index-and-waist-height-ratio-on-incident-diabetes-a-population-based-cohort-study
#19
Kazuteru Mitsuhashi, Yoshitaka Hashimoto, Muhei Tanaka, Hitoshi Toda, Shinobu Matsumoto, Emi Ushigome, Mai Asano, Masahiro Yamazaki, Yohei Oda, Michiaki Fukui
We investigated the impact of combined effect of body mass index and waist-to-height ratio on risk of diabetes. Overweight and abdominal obesity were defined as body mass index ≥23 kg/m(2) and waist-to-height ratio ≥0.5, respectively. We divided participants into four groups according to presence of overweight and/or abdominal obesity. About 20% individuals with overweight did not complicated with an abdominal obesity. Among 3,737 participants, 286 participants had diabetes at baseline-examination. Adjusted odds ratios for prevalence of diabetes compared with non-overweight participants without abdominal obesity were as follow: 1...
September 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28955127/oxidative-stress-and-abnormal-cholesterol-metabolism-in-patients-with-post-cardiac-arrest-syndrome
#20
Midori Nagase, Atsushi Sakurai, Atsunori Sugita, Nozomi Matsumoto, Airi Kubo, Yusuke Miyazaki, Kosaku Kinoshita, Yorihiro Yamamoto
Patients with post-cardiac arrest syndrome (PCAS) suffer from whole body ischemia/reperfusion injury similar to that experienced by newborn babies. Increased oxidative stress was confirmed in PCAS patients (n = 40) at the time of hospitalization by a significant increase in the percentage of the oxidized form of coenzyme Q10 in total coenzyme Q10 compared to age-matched healthy controls (n = 55). Tissue oxidative damage in patients was suggested by the significant increase in plasma levels of free fatty acids (FFA) and the significant decrease in polyunsaturated fatty acid contents in total FFA...
September 2017: Journal of Clinical Biochemistry and Nutrition
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