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Tohoku Journal of Experimental Medicine

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https://www.readbyqxmd.com/read/28216546/bach2-controls-homeostasis-of-eosinophils-by-restricting-the-type-2-helper-function-of-t-cells
#1
Yuki Sato, Hiroki Kato, Risa Ebina-Shibuya, Ari Itoh-Nakadai, Ryuhei Okuyama, Kazuhiko Igarashi
Bach2 is a transcription factor which represses its target genes and plays important roles in the differentiation of B and T lymphoid cells. Bach2-deficient (KO) mice develop severe pulmonary alveolar proteinosis, which is associated with increased numbers of granulocytes and T cells. Bach2 is essential for the regulation of T cells, but its role in the regulation of granulocytes is not clear. Here, we observed increased numbers of eosinophils but not neutrophils in the bone marrow, spleen, peripheral blood, and bronchoalveolar lavage fluids of Bach2 KO mice compared with those of wild-type (WT) mice...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202857/cytokine-profiles-in-pericardial-effusion-in-a-down-syndrome-infant-with-transient-abnormal-myelopoiesis
#2
Yoshihiko Shitara, Naoto Takahashi, Yoshinori Aoki, Motohiro Kato, Riki Nishimura, Shinya Tsuchida, Akira Oka
Infants with Down Syndrome (DS) are at risk of developing a transient abnormal myelopoiesis (TAM). TAM is characterised by increased circulating blast cells but usually self-limiting. DS patients with TAM sometimes show fetal hydrops and effusion in body cavities, but the mechanism remains unclear. We report here a case of infant with DS who had pericardial effusion, TAM, and eosinophilia. In her pericardial effusion, white blood cell count was 6.0 × 10(3)/µL, 41% of which were eosinophils. After administration of prednisolone, pericardial effusion gradually decreased, and TAM and eosinophilia improved...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202856/plasma-monocyte-chemoattractant-protein-1-as-a-predictive-marker-for-sepsis-prognosis-a-prospective-cohort-study
#3
Tingting Zhu, Xuelian Liao, Ting Feng, Qihong Wu, Jiangqian Zhang, Xing Cao, Hong Li
Sepsis is a systemic host response to infection, and patients with sepsis are frequently handled in the intensive care unit. However, mortality related to sepsis remains high throughout the world. In addition, there have been no efficient prognostic biomarkers for sepsis to be employed in clinical practice. We therefore aimed to identify prognostic biomarkers for sepsis using the chemokine/cytokine array. This study included 143 patients with sepsis, who were divided into survivor and nonsurvivor groups according to their 28-day mortality status...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202851/expression-of-inorganic-pyrophosphatase-ppa1-correlates-with-poor-prognosis-of-epithelial-ovarian-cancer
#4
Hui Li, Ning Xiao, Zongpeng Li, Qin Wang
Ovarian serous carcinoma (OSC) is the most common epithelial ovarian cancer. Inorganic pyrophosphatase (PPA1) catalyzes the hydrolysis of pyrophosphate to inorganic phosphate, thereby providing extra energy for metabolism. The significance of PPA1 in the prognosis of OSC has not been investigated. Our study aimed to explore the expression and predictive role of PPA1 in OSC progression. We screened the expression of PPA1 protein in OSC tissues from 139 patients by immunohistochemistry, and evaluated its correlation with clinicopathological characteristics...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202850/hypermethylation-of-the-n-myc-downstream-regulated-gene-2-promoter-in-peripheral-blood-mononuclear-cells-is-associated-with-liver-fibrosis-in-chronic-hepatitis-b
#5
Xin-Yuan Liu, Yu-Chen Fan, Shuai Gao, Jing Zhao, Feng Li, Jun Zhang, Kai Wang
DNA methylation is a fundamental epigenetic modification to regulate gene expression. N-Myc downstream-regulated gene (NDRG) 2 is a cytoplasmic protein and participates in the pathogenesis of liver fibrosis. In this study, the mRNA expression and methylation status of NDRG2 was evaluated in patients with chronic hepatitis B (CHB). The study included 143 CHB patients and 65 normal controls (NC). The mRNA expression of NDRG2 in peripheral blood mononuclear cells (PBMCs) was detected by quantitative real-time polymerase chain reaction...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28190856/virilism-and-ectopic-expression-of-hsd17b5-in-mature-cystic-teratoma
#6
Yohei Kawaguchi, Hiroko Mizuno, Mai Horikawa, Mayuko Kano, Kengo Yamada, Fumiko Yamakawa, Takashi Maekawa, Yuto Yamazaki, Keely M McNamara, Hironobu Sasano, Masayuki Hayashi
Mature cystic teratoma (MCT) is rarely involved in the overproduction of steroid hormones in contrast to sex cord stromal tumors. A 31-year-old woman visited our hospital with hirsutism, hoarseness, and hair loss from the scalp. Serum testosterone and free-testosterone levels were 7.3 ng/ml and 2.3 pg/ml, respectively, which were markedly in excess of the age adjusted female standard levels. Basal blood levels of steroid hormones and serum levels of 17-hydroxyprogesterone at 1 h after intravenous injection of adrenocorticotropic hormone demonstrated that 21-hydroxylase deficiency was not the underlying cause of her virilization...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28190855/high-maternal-age-and-low-pre-pregnancy-body-mass-index-correlate-with-lower-birth-weight-of-male-infants
#7
Sayuri Fukuda, Yurika Tanaka, Kiyomi Harada, Ayako Saruwatari, Kaori Kitaoka, Kiyoko Odani, Wataru Aoi, Sayori Wada, Yukari Nishi, Tatsuya Oguni, Hiroaki Asano, Nobuko Hagiwara, Akane Higashi
In Japan, the percentage of leanness has been increasing in young women, and the percentage of low birth weight infants (< 2,500 g) has increased. Moreover, the average age of primiparas rose 3.5 years during the last 30 years. The purpose of this study was to clarify the relationship between maternal age and the influence of maternal pre-pregnancy physique on the neonatal physique of infants. Questionnaires were issued to the participants and collected when they submitted their gestational notifications at their local ward office in Kyoto Prefecture...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28190825/excessive-game-playing-is-associated-with-poor-toothbrushing-behavior-among-athletic-children-a-cross-sectional-study-in-miyagi-japan
#8
Masahiro Tsuchiya, Haruki Momma, Takuya Sekiguchi, Kaoru Kuroki, Kenji Kanazawa, Makoto Watanabe, Yoshihiro Hagiwara, Ryoichi Nagatomi
Dental problems among athletes have been cautioned due to negative impacts not only on their oral health but also on athletic performance. Acquirement of appropriate oral health behavior mainly composed of toothbrushing in childhood can be one of the most important strategies for advancing children's athletic possibilities. Although habits of screen viewing, including game playing, and TV viewing have direct impacts on children's health and behavioral development, little is known about the association between these habits and toothbrushing frequency...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28163296/decontamination-reduces-radiation-anxiety-and-improves-subjective-well-being-after-the-fukushima-accident
#9
Michio Murakami, Shigeki Harada, Taikan Oki
Since the 2011 Fukushima accident, rebuilding society to protect against anxiety and improve feelings of well-being has grown in importance. A questionnaire was carried out among residents of Marumori Town, Igu County, Miyagi Prefecture, to evaluate the effects of radiation-related countermeasures implemented by the town to reduce residents' anxiety and improve their subjective well-being (response rate: 31%; valid responses: n = 174). Further, to propose effective countermeasures regarding town planning for the improvement in subjective well-being, we analyzed associations between residents' sense of attachment to the town and subjective well-being, and then identified primary factors behind their sense of attachment...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28154346/unequal-accessibility-of-nurseries-for-sick-children-in-over-and-under-populated-areas-of-japan
#10
Akira Ehara
Infants and toddlers are prone to rapidly contracting illnesses, which are usually attributed to infectious diseases. Most nurseries and schools in Japan, however, refuse to accept children even with mild illnesses. For working parents, a sick child may therefore create new problems as the situation requires new day-care arrangements. To support such families, the Japanese government subsidizes construction and management of nurseries that operate especially for sick children. However, it has not been known whether most families are able to access such nurseries...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28154345/elevated-serum-levels-of-interleukin-29-are-associated-with-disease-activity-in-rheumatoid-arthritis-patients-with-anti-cyclic-citrullinated-peptide-antibodies
#11
Qiong-Jie Chang, Cheng Lv, Feng Zhao, Ting-Shuang Xu, Ping Li
Rheumatoid arthritis (RA) is an inflammatory autoimmune disease that may lead to progressive joint destruction. The anti-cyclic citrullinated peptide (anti-CCP) antibody is an essential marker for the diagnosis of RA and has a crucial role in the bone destruction in RA. Recent studies have shown that interleukin (IL)-29, a vital member of type III interferon (IFN) family, could enhance proinflammatory cytokine production and might be involved in the joint destruction in RA. Therefore, in this study, we aimed to examine the role of IL-29 in RA patients with anti-CCP antibodies...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28132967/kidney-cadmium-toxicity-diabetes-and-high-blood-pressure-the-perfect-storm
#12
Soisungwan Satarug, David A Vesey, Glenda C Gobe
Cadmium (Cd) is an environmental toxicant of widespread exposure and pervasive toxicity. Absorption, systemic transport and uptake of Cd are mediated by metal transporters that the body uses for acquisition of physiologically-essential elements, notably of iron, zinc and calcium. Currently, human exposure to Cd is known to damage the kidneys, especially the proximal tubular cells that actively reabsorb Cd along with zinc, glucose and amino acids in the glomerular filtrate. Severe kidney damage, glycosuria and proteinuria are known outcomes after high dietary Cd intake (> 200 µg/day)...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28123165/transcription-factor-sox9-promotes-osteosarcoma-cell-growth-by-repressing-claudin-8-expression
#13
Jin Qi, Yaoqi Yang, Ping Hao, Jianqiang Xu
Osteosarcoma is a malignant bone cancer that mainly affects children. SOX9 plays a key role in bone formation and osteosarcoma, and Claudin-8 (CLDN8), a tight junction protein, contributes to proliferation of osteosarcoma cells. The aim of this study was to investigate the relationship between SOX9 and CLDN8 in osteosarcoma. The expression levels of SOX9 and CLDN8 were determined in osteosarcoma specimens (n = 25) by qRT-PCR and Western blot analyses. The levels of SOX9 mRNA and protein were significantly higher in osteosarcoma tissues than those in adjacent non-tumor tissues, whereas the expression levels of CLDN8 mRNA and protein were significantly lower in osteosarcoma tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28090038/combination-therapy-with-ombitasvir-paritaprevir-ritonavir-for-dialysis-patients-infected-with-hepatitis-c-virus-a-prospective-multi-institutional-study
#14
Ken Sato, Kenichi Hosonuma, Yuichi Yamazaki, Takeshi Kobayashi, Satoshi Takakusagi, Norio Horiguchi, Satoru Kakizaki, Motoyasu Kusano, Hiroshi Ohnishi, Hiroaki Okamoto, Masanobu Yamada
Hepatitis C virus (HCV) infection is common in dialysis patients worldwide and nosocomial HCV spread within dialysis facilities continues to develop. Combination therapy with daclatasvir and asunaprevir (DCV/ASV) that has proven efficacy for dialysis patients infected with genotype 1b HCV (HCV/1b) has several concerns in Japan. The recently available combination therapy with ombitasvir, paritaprevir, and ritonavir (OBV/PTV/r) is not contraindicated in patients with chronic renal failure and has more safety profile and shorter treatment period than that with DCV/ASV...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28090037/expression-of-pro-renin-receptor-during-rapamycin-induced-erythropoiesis-in-k562-erythroleukemia-cells-and-its-possible-dual-actions-on-erythropoiesis
#15
Kiriko Kaneko, Koji Ohba, Takuo Hirose, Kazuhito Totsune, Kazumichi Furuyama, Kazuhiro Takahashi
(Pro)renin receptor ((P)RR), a specific receptor for renin and prorenin, is expressed in erythroblastic cells. (P)RR has multiple biological actions: prorenin activation, stimulation of the intracellular signaling including extracellular signal-regulated kinases, and functional complex formation with vacuolar H(+)-ATPase (v-ATPase). However, the functional implication of (P)RR in erythroblast cells has not been clarified. The aim of the present study was to clarify changes of (P)RR expression during erythropoiesis and a role of (P)RR in the heme synthesis...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28077810/increased-expression-of-long-non-coding-rna-bcar4-is-predictive-of-poor-prognosis-in-patients-with-non-small-cell-lung-cancer
#16
Jianhua Gong, Han Zhang, Li He, Lixin Wang, Jipeng Wang
Lung cancer is the most common human cancer, and the majority of lung cancer cases are categorized as non-small cell lung cancer (NSCLC). Long non-coding RNAs (lncRNAs) play key roles in the development and progression of human cancers. LncRNA breast cancer anti-estrogen resistance 4 (BCAR4) has been identified as an oncogenic lncRNA involved in the progression of breast cancer and osteosarcoma. However, the clinical significance of the lncRNA BCAR4 in NSCLC remains largely unclear. In the present study, real-time quantitative reverse transcriptase-polymerase chain reaction was used to examine the relative level of lncRNA BCAR4 in 68 cases of NSCLC tissues and their adjacent non-tumor tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28049871/identification-of-genotype-2-hcv-in-serotype-1-hepatitis-c-patients-unresponsive-to-daclatasvir-plus-asunaprevir-treatment
#17
Jun Inoue, Atsushi Kanno, Yuta Wakui, Masahito Miura, Tomoo Kobayashi, Tatsuki Morosawa, Takayuki Kogure, Eiji Kakazu, Masashi Ninomiya, Yasuyuki Fujisaka, Teruyuki Umetsu, Satoshi Takai, Takuya Nakamura, Tooru Shimosegawa
It is important to determine the genotypes or serotypes of hepatitis C virus (HCV) in patients before treatment with direct-acting antiviral agents (DAAs), because the effects of DAAs differ among genotypes. In Japan, two tests for HCV typing are available clinically, but only serotyping, not genotyping, is approved by the public health insurance. Although most serotype-1 Japanese patients are infected with genotype 1b HCV, it is known that a small proportion of patients show different results from two typing methods...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28025449/metformin-enhances-osteogenesis-and-suppresses-adipogenesis-of-human-chorionic-villous-mesenchymal-stem-cells
#18
Qiaoli Gu, Yanzheng Gu, Huilin Yang, Qin Shi
Metformin is the first-line anti-hyperglycemic drugs commonly used to treat type 2 diabetes. Recent studies have shown that metformin can enhance bone formation through induction of endothelial nitric oxide synthase (eNOS). Human chorionic villous mesenchymal stem cells (CV-MSCs) are promising candidates for regenerative medicine. The present study aimed to investigate the effects of metformin on the osteogenic and adipocytic differentiation of human CV-MSCs, and to elucidate the underlying mechanism. CV-MSCs, prepared from human term placentae, were cultured with different concentrations of metformin...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27980246/meta-analysis-exploring-the-effectiveness-of-s-1-based-chemotherapy-for-advanced-non-small-cell-lung-cancer
#19
Xin Sun, Li Sun, Shu-Ling Zhang, Zhi-Cheng Xiong, Jie-Tao Ma, Cheng-Bo Han
S-1 is a new oral fluoropyrimidine formulation that comprises tegafur, 5-chloro-2,4-dihydroxypyridine, and potassium oxonate. S-1 is designed to enhance antitumor activity and to reduce gastrointestinal toxicity. Several studies have demonstrated that both S-1 monotherapy and S-1 combination regimens showed encouraging efficacies and mild toxicities in the treatment of lung squamous cell carcinoma and adenocarcinoma. However, it is unclear whether S-1 can be used as standard care in advanced non-small cell lung cancer (NSCLC)...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28003588/effectiveness-of-medium-chain-triglyceride-oil-therapy-in-two-japanese-citrin-deficient-siblings-evaluation-using-oral-glucose-tolerance-tests
#20
Hiroki Otsuka, Hideo Sasai, Elsayed Abdelkreem, Norio Kawamoto, Minako Kawamoto, Toshiya Kamiya, Yasuo Tanimoto, Atsuo Kikuchi, Shigeo Kure, Chikahiko Numakura, Kiyoshi Hayasaka, Toshiyuki Fukao
Citrin deficiency, an inherited defect of the liver-type mitochondrial aspartate/glutamate carrier isoform (citrin), may cause impairment of glycolysis because of an increase in the cytosolic NADH/NAD(+) ratio. We report a Japanese boy whose main complaint was recurrent hypoglycemic episodes. He was suspected as having citrin deficiency because of his peculiar preference for protein- and fat-rich food. His young sister also had a similar food preference. Both siblings were diagnosed with citrin deficiency by genetic analysis...
2016: Tohoku Journal of Experimental Medicine
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