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Tohoku Journal of Experimental Medicine

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/27941276/abcb1-is-upregulated-in-acquisition-of-taxane-resistance-lessons-from-esophageal-squamous-cell-carcinoma-cell-lines
#8
Ruobing Wang, Anton Sumarpo, Yuriko Saiki, Na Chen, Makoto Sunamura, Akira Horii
Esophageal cancer is one of the common malignancies worldwide, particularly in eastern African and Asian countries including Japan. Taxane (paclitaxel or docetaxel) is one of the effective chemotherapeutic reagents for patients with esophageal cancer, but acquisition of chemoresistance frequently occurs; this is one of the most frequent causes for therapeutic failure. In this study, we established three taxane resistant esophageal squamous cell carcinoma cell lines and explored possible mechanisms for the acquisition of chemoresistance...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27941275/increased-postural-sway-and-changes-in-the-neuromuscular-activities-of-the-ankle-stabilizing-muscles-at-ovulation-in-healthy-young-women
#9
Haneul Lee, JongEun Yim
Lateral ankle sprains are one of the most common injuries among the physically active subjects. Ankle inversion-eversion laxity is greater and dynamic postural control is less in women compared with men. The purpose of this study was to examine differences in postural sway and its effects on the neuromuscular activities of the ankle stabilizing muscles during the menstrual cycle in young women. Fourteen young women with regular menstrual cycles participated in this experiment. Postural sway and electromyographic signals of the lateral gastrocnemius, peroneus longus (PL), and tibialis anterior (TA) were recorded while the participants performed eight different balance tasks at ovulation and early follicular phase during one full menstrual cycle...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27941253/fermented-food-consumption-and-psychological-distress-in-pregnant-women-a-nationwide-birth-cohort-study-of-the-japan-environment-and-children-s-study
#10
Fumiaki Takahashi, Hidekazu Nishigori, Toshie Nishigori, Satoshi Mizuno, Taku Obara, Hirohito Metoki, Kasumi Sakurai, Mami Ishikuro, Noriyuki Iwama, Nozomi Tatsuta, Ichiko Nishijima, Ikuma Fujiwara, Takahiro Arima, Kunihiko Nakai, Takashi Sugiyama, Shinichi Kuriyama, Nobuo Yaegashi
Health benefits of fermented foods are attracting attention worldwide, and they have been traditionally eaten in Japan. Moreover, a recent study showed the association between the higher intake of yogurt and lower prevalence of depressive symptoms during pregnancy. Psychological problems, such as anxiety and depression, during pregnancy are serious health concerns and may increase the risk of adverse outcomes in children. In this study, we explored the association between fermented food consumption and psychological distress in 10,129 pregnant Japanese women, using the fixed data of the Japan Environment and Children's Study (JECS), an ongoing nation-wide birth cohort study...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27941252/antenatal-health-care-and-postnatal-dental-check-ups-prevent-early-childhood-caries
#11
Yukie Nakai, Yukako Mori, Izumi Tamaoka
The first stage of early childhood caries (ECC) is infection by mutans streptococci, of which the primary infection source is the child's mother. Early intervention programs including antenatal and postnatal phases are effective for reducing ECC. This study was conducted to assess the respective effects of antenatal health care and postnatal care such as regular dental check-ups on reducing ECC among 3-year-old Japanese children. This nested case-control study of 155 three-year-old children (49.0% boys) was conducted at a dental clinic that provides collaborative health services with the Obstetrics and Gynecology Clinic, Okayama...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27928111/treatment-outcomes-of-patients-treated-for-pulmonary-tuberculosis-after-undergoing-gastrectomy
#12
In Young Jung, Moo Hyun Kim, Woo Yong Jeong, Mi Young Ahn, Yong Duk Jeon, Hea Won Ahn, Jin Young Ahn, Je Eun Song, Dong Hyun Oh, Yong Chan Kim, Eun Jin Kim, Su Jin Jeong, Nam Su Ku, June Myung Kim, Jun Yong Choi
Gastrectomy is a proxy of malnutrition, which may lead to increased risk for developing pulmonary tuberculosis (TB). Malabsorption in gastrectomy patients could lead to low serum levels of rifampicin, which may be related to higher treatment failure. However, there is limited information on treatment outcomes of TB in patients who have undergone gastrectomy. This study aims to determine treatment outcomes and adverse effects in patients treated for TB after undergoing gastrectomy for gastric cancer. During the study period, 112 patients were treated for active TB that developed after gastrectomy for gastric cancer...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27928110/stable-liver-function-during-long-term-administration-of-eltrombopag-a-thrombopoietin-receptor-agonist-in-patients-with-chronic-liver-disease
#13
Tomohiro Kurokawa, Soichiro Murata, Nobuhiro Ohkohchi
Liver cirrhosis is the end stage of chronic liver disease, but no definitive pharmacological treatment is currently available. It has been reported that thrombopoietin (TPO) promotes liver regeneration and improves liver cirrhosis by increasing platelet count. We have shown the direct effect of platelet transfusion on the improvement of liver function in patients with chronic liver disease. However, platelet transfusion often causes adverse events, such as platelet transfusion refractoriness and pruritus. Therefore, we conducted an exploratory clinical trial and administered eltrombopag, an orally bioavailable, small-molecule, non-peptide TPO receptor agonist that has been approved for the treatment of chronic idiopathic thrombocytopenic purpura...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27916760/interleukin-17a-induced-epithelial-mesenchymal-transition-of-human-intrahepatic-biliary-epithelial-cells-implications-for-primary-biliary-cirrhosis
#14
Qingshui Huang, Shuai Chu, Xiaofeng Yin, Xiaobin Yu, Chunmin Kang, Xin Li, Yurong Qiu
Primary biliary cirrhosis (PBC) is an autoimmune chronic liver disease with worldwide increasing morbidity. However, the etiology of PBC is still unclear. Recently, the epithelial-mesenchymal transition (EMT) and interleukin-17A (IL-17A), a pro-inflammatory cytokine, were proposed to be involved in the pathogenesis of PBC. Therefore, in this study, we aimed to clarify the roles of IL-17A and/or EMT in the onset of PBC. The results showed that the median serum IL-17A level was significantly higher in 29 PBC patients (average course of 40...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27904025/early-raas-blockade-exerts-renoprotective-effects-in-autosomal-recessive-alport-syndrome
#15
Nao Uchida, Naonori Kumagai, Kandai Nozu, Xue Jun Fu, Kazumoto Iijima, Yoshiaki Kondo, Shigeo Kure
Alport syndrome is a progressive renal disease caused by mutations in COL4A3, COL4A4, and COL4A5 genes that encode collagen type IV alpha 3, alpha 4, and alpha 5 chains, respectively. Because of abnormal collagen chain, glomerular basement membrane becomes fragile and most of the patients progress to end-stage renal disease in early adulthood. COL4A5 mutation causes X-linked form of Alport syndrome, and two mutations in either COL4A3 or COL4A4 causes an autosomal recessive Alport syndrome. Recently, renin-angiotensin-aldosterone system (RAAS) blockade has been shown to attenuate effectively disease progression in Alport syndrome...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27904005/study-design-and-baseline-characteristics-of-the-expand-study-evaluation-of-effectiveness-and-safety-of-xa-inhibitor-rivaroxaban-for-the-prevention-of-stroke-and-systemic-embolism-in-a-nationwide-cohort-of-japanese-patients-diagnosed-as-non-valvular-atrial
#16
Takanori Ikeda, Hirotsugu Atarashi, Hiroshi Inoue, Shinichiro Uchiyama, Takanari Kitazono, Takeshi Yamashita, Wataru Shimizu, Masahiro Kamouchi, Koichi Kaikita, Koji Fukuda, Hideki Origasa, Ichiro Sakuma, Keijiro Saku, Yasuo Okumura, Yuichiro Nakamura, Hideo Morimoto, Naoki Matsumoto, Akihito Tsuchida, Junya Ako, Nobuyoshi Sugishita, Shogo Shimizu, Hiroaki Shimokawa
The use of rivaroxaban, a factor Xa inhibitor, has been increasing for prevention of ischemic stroke and systemic embolism in patients with non-valvular atrial fibrillation (AF) in Japan. We conducted the nationwide multicenter study, termed as the EXPAND Study, to address its effectiveness and safety in the real-world practice of patients with non-valvular AF in Japan. The EXPAND Study is a prospective, non-interventional, observational cohort study to evaluate the effectiveness and safety of rivaroxaban in non-valvular AF patients in a real-world clinical practice...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27890871/chagas-disease-in-mexico-report-of-14-cases-of-chagasic-cardiomyopathy-in-children
#17
Paz María Salazar-Schettino, Margarita Cabrera-Bravo, Clara Vazquez-Antona, Edgar Zenteno, Mariana De Alba-Alvarado, Elia Torres Gutierrez, Yolanda Guevara Gomez, María Gabriela Perera-Salazar, Guadalupe Garcia de la Torre, Martha Irene Bucio-Torres
Chagas disease is a parasitic infection mainly found in Latin America; it is transmitted by a triatomine, also known as assassin bug or kissing bug. In humans, the parasite causes mostly cardiac disorders. Two-thirds of the Mexican territory are regarded as risk areas for vector transmission of Trypanosoma cruzi, the causal agent. The parasite can be found as a blood-borne trypomastigote or as an intracellular amastigote. The progression and severity of lesions could be due to frequent reinfections or to infection by highly virulent strains...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27890870/improving-the-quality-of-postgraduate-education-in-traditional-japanese-kampo-medicine-for-junior-residents-an-exploratory-survey-conducted-in-five-institutions-in-the-tohoku-area
#18
Shin Takayama, Seiichi Kobayashi, Soichiro Kaneko, Masao Tabata, Shinya Sato, Keiichi Ishikawa, Saya Suzuki, Ryutaro Arita, Natsumi Saito, Tetsuharu Kamiya, Hitoshi Nishikawa, Yuka Ikeno, Junichi Tanaka, Minoru Ohsawa, Akiko Kikuchi, Takehiro Numata, Hitoshi Kuroda, Michiaki Abe, Satoru Ishibashi, Nobuo Yaegashi, Tadashi Ishii
Traditional Japanese (Kampo) medicine has been widely applied in general medicine in Japan. In 2001, the model core curriculum for Japanese medical education was revised to include Kampo medicine. Since 2007, all 80 Japanese medical schools have incorporated it within their programs. However, postgraduate training or instruction of Kampo medicine has not been recognized as a goal for the clinical training of junior residents by Japan's Ministry of Health, Labour and Welfare; little is known about postgraduate Kampo medicine education...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27885198/the-difference-between-ideal-and-actual-fasting-duration-in-the-treatment-of-patients-with-aspiration-pneumonia-a-nationwide-survey-of-clinicians-in-japan
#19
Tsuneaki Kenzaka, Koki Kosami, Yasufumi Matsuoka, Ayako Noda, Ayako Kumabe
In Japan, aspiration pneumonia is common among the elderly and patients are often treated by temporary discontinuation of meals. However, there are few published studies on the fasting duration for aspiration pneumonia treatment. Therefore, we conducted the present study to assess the opinions of clinicians regarding the fasting duration for the treatment of patients with aspiration pneumonia and the actual medical practice with regard to oral ingestion in hospitalized patients with aspiration pneumonia. We targeted hospitals with internal medicine and respiratory medicine departments across Japan...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27867155/handgrip-strength-is-positively-associated-with-mildly-elevated-serum-bilirubin-levels-among-community-dwelling-adults
#20
Ryuichi Kawamoto, Daisuke Ninomiya, Teru Kumagi
Handgrip strength (HGS) is a useful measure of health-related quality of life and general muscle strength. Serum total bilirubin (T-B) may present potential beneficial effects in preventing oxidative changes which are associated with a risk of metabolic syndrome and the development of cardiovascular disease. Limited information is available regarding whether HGS is an independent confounding factor for serum T-B. The study participants were 214 men aged 71 ± 8 (mean ± standard deviation) years and 302 women aged 71 ± 7 years that were enrolled consecutively from among paticipants aged ≥ 50 years through an annual check-up process...
2016: Tohoku Journal of Experimental Medicine
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