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Tohoku Journal of Experimental Medicine

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https://www.readbyqxmd.com/read/28420811/the-t-allele-of-rs8075977-in-the-5-flanking-region-of-the-pedf-gene-is-associated-with-reduced-risk-of-coronary-artery-disease-in-elderly-chinese-men
#1
Shou-Yuan Ma, Yuan-Yuan Guo, Shu-Xia Wang, Jin-Xin Shi, Jie Liu, Jian-Feng Liu, Ping Zhu
Coronary artery disease (CAD) is a multifactorial disease with a genetic component. Pigment epithelium-derived factor (PEDF) exerts anti-inflammatory, anti-oxidant, anti-thrombotic, and anti-angiogenic effects and thus has received increasing attention as a sensitive biomarker of atherosclerosis and CAD. To explore the potential association between PEDF single nucleotide polymorphisms (SNPs) and CAD, we performed this case-control study of consecutive elderly Chinese Han male patients (n = 416) and age-matched male controls (n = 528) without a history of CAD or electrocardiographic signs of CAD...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28413183/a-slc24a2-gene-variant-uncovered-in-pancreatic-ductal-adenocarcinoma-by-whole-exome-sequencing
#2
Lei Wang, Zhuo Shao, Shiyue Chen, Lu Shi, Zhaoshen Li
Pancreatic ductal adenocarcinoma (PDAC) presents as an aggressive malignancy caused by environmental and genetic factors. In order to identify causal genes for PDAC, we performed whole exome sequencing (WES) to detect gene mutations in seven pairs of PDAC tissue and adjacent non-tumor tissue samples. Finally, we found a new nonsynonymous single nucleotide variant (nsSNV) in solute carrier 24 family member 2 (SLC24A2) gene resulting in the substitution of native glutamic acid (E) into aspartic acid (D) at position of 287 amino acid (E287D) in SLC24A2 protein, and confirmed this variant by Sanger gene sequencing...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28392505/early-diagnosis-of-tuberculosis-associated-iga-nephropathy-with-esat-6
#3
Nan Zhao, Jing-Yi Sun, Hai-Ping Xu, Fu-Yun Sun
IgA nephropathy (IgAN) is the most common cause of primary renal diseases worldwide, and the early secreted antigenic target of 6 (ESAT-6) which was secreted by Mycobacterium tuberculosis (MTB) may be involved in the development and progression of IgAN. This study aimed to investigate the role of ESAT-6 for early diagnosis of IgAN caused by MTB infection. From 2011 to 2014, 21 patients with renal tuberculosis (RTB), 25 with IgAN, and 46 with IgAN infected with MTB (IgAN/MTB) were enrolled. Serum levels of antibodies against Mycobacterium tuberculosis antigen 85A (Ag85A) were measured by ELISA...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28381701/non-invasive-assessment-of-early-atherosclerosis-based-on-new-arterial-stiffness-indices-measured-with-an-upper-arm-oscillometric-device
#4
Yaping Zhang, Ping Yin, Zuojun Xu, Yushui Xie, Changqian Wang, Yuqi Fan, Fuyou Liang, Zhaofang Yin
The clinical significance of detecting early atherosclerosis is now widely recognized. Measurement methods available at present are usually not suitable for use in primary care where rapid screening for a large population is needed. The Arterial Velocity-pulse Index (AVI) and Arterial Pressure-volume Index (API) are new noninvasive arterial stiffness indices that can be rapidly measured using an oscillometric device. The purpose of this study was to determine whether high AVI and API values are predictive of early atherosclerosis prior to the onset of obstructive coronary artery disease (CAD)...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28381700/occult-hepatitis-b-virus-infection-in-hyperlipidemia-patients
#5
Liu Yang, Tingting Li, Wenmin Li, Xi Tang, Jinfeng Li, Ruiwen Long, Yongshui Fu, Jean-Pierre Allain, Chengyao Li
Chronic hepatitis B virus (HBV) infection is associated with lower prevalence of hyperlipidemia (HLP). However, occult HBV infection (OBI) in HLP patients has not yet been explored. OBI is defined as the presence of detectable HBV DNA in serum or liver tissue but undetectable HBV surface antigen in serum. In this study, 1,036 HLP patients and 1,134 replacement blood donor controls were recruited. Among them, 252 HLP patients and 255 blood donors with antibody to HBV core positive were selected and analyzed...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28381664/therapeutic-potential-of-docetaxel-plus-cisplatin-chemotherapy-for-myasthenia-gravis-patients-with-metastatic-thymoma
#6
Guoyan Qi, Peng Liu, Huimin Dong, Shanshan Gu, Hongxia Yang, Yinping Xue
The prognosis of myasthenia gravis (MG) in association with invasive or metastatic thymoma is usually worse, and therapeutic options are quite limited. Here, we retrospectively reported the therapeutic effect of docetaxel plus cisplatin (docetaxel/cisplatin) chemotherapy in 7 MG patients with metastatic thymoma. Previously, all patients underwent thymectomy at the first onset of thymoma. After the metastasis of thymoma, none of the patients received thymectomy due to unresectable conditions after surgeon's evaluation for great risk of myasthenic crisis (n = 5) or patients' refusal (n = 2)...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28367856/successful-management-of-gorham-stout-disease-in-the-cervical-spine-by-combined-conservative-and-surgical-treatments-a-case-report
#7
Satoshi Tateda, Toshimi Aizawa, Ko Hashimoto, Haruo Kanno, Susumu Ohtsu, Eiji Itoi, Hiroshi Ozawa
Gorham-Stout disease (GSD) is a rare condition characterized by intraosseous proliferation of endothelial-lined vessels and progressive osteolysis. The precise etiology and pathophysiology of the disease remain poorly understood. Current therapeutic options for GSD include chemotherapy, radiotherapy, and surgical resection, but the surgical treatment of GSD is difficult, especially in the spinal lesion. The indication of wide-margined resection was limited because of anatomical features. Herein, we report a case of GSD of the cervical spine in which the lesions were successfully stabilized with combined conservative and surgical treatments...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28344213/over-expression-of-tbl1xr1-indicates-poor-prognosis-of-serous-epithelial-ovarian-cancer
#8
Ming Ma, Nina Yu
Transducin (β)-like 1 X-linked receptor 1 (TBL1XR1) is a core component of the NCoR/SMRT transcription co-repressor complex, and its role in regulating cancer progression has been reported. Serous epithelial ovarian cancer (EOC) is the most common histological type of EOC. Here we explored the significance of TBL1XR1 expression in predicting outcomes of patients with serous EOC. Real-time quantitative PCR analysis showed that the expression level of TBL1XR1 mRNA was significantly higher in EOC tissues compared with adjacent non-tumorous tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28344212/age-dependent-effects-of-prenatal-dexamethasone-exposure-on-immune-responses-in-male-rats
#9
Ming-Yi Chou, Li-Tung Huang, You-Lin Tain, Ho-Chang Kuo, Mao-Meng Tiao, Jiunn-Ming Sheen, Chih-Cheng Chen, Pi-Lien Hung, Kai-Sheng Hsieh, Hong-Ren Yu
Prenatal glucocorticoid therapy is indicated in preterm delivery to prevent respiratory distress. This study was designed to evaluate the age-dependent effects of prenatal dexamethasone (DEX) therapy on the immune system using a rat model. Pregnant Sprague-Dawley rats received an intraperitoneal injection of DEX (0.1 mg/kg/day) or saline (VEH) over gestational days 14-20. Male offspring were sacrificed at postnatal day 7 (D7; infant stage), D120 (young adult stage), and D180 (adult stage) for evaluation of leukocyte subsets and isolation of splenocytes...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28321035/disaster-victim-identification-using-orthopedic-implants-in-the-2011-east-japan-earthquake-and-tsunami
#10
Norio Numata, Haruka Makinae, Wataru Yoshida, Masao Daimon, Hideki Murakami
On March 11, 2011, an earthquake (magnitude 9.0) devastated Japan's east coast, and the associated tsunami resulted in social and mechanical destruction. Search for the missing people is still ongoing. Surgical implants are common in the general population. Medical implants usually have lot numbers, and their forensic use is common for victim identification. This investigation was conducted mainly in the cities of Kamaishi and Otsuchi, both of which were affected by the tsunami disaster in 2011. We visited 6 mortuaries with the police between March 20 (9 days after the tsunami) and April 20 (40 days after the tsunami) to examine the presence of surgical scars and related information...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28321034/galectin-9-as-a-predictive-marker-for-the-onset-of-immune-related-adverse-effects-associated-with-anti-ccr4-moab-therapy-in-patients-with-adult-t-cell-leukemia
#11
Tareg Omer Mohammed, Haorile Chagan-Yasutan, Yugo Ashino, Wakana Nakayama, Yayoi Takahashi, Taizo Shimomura, Tetsuhiro Fujimoto, Yuko Watanabe, Toshiro Niki, Hitoshi Suzushima, Toshio Hattori
Adult T-cell leukemia/lymphoma (ATL/ATLL) is one of the most malignant lymphomas with poor prognosis. ATL/ATLL cells express CC chemokine receptor 4, and mogamulizumab (anti-CCR4 monoclonal antibody) exhibits strong cytotoxicity for ATL/ATLL cells. We analyzed plasma samples of 6 patients with ATL/ATLL treated with chemotherapy followed by mogamulizumab therapy (mogatherapy) for changes in the levels of biomarkers in relation to immune-related adverse effects. As treatment is often associated with skin eruptions, we investigated the profiles of inflammatory cytokines, including galectin-9 (Gal-9), which becomes increased in various infectious diseases and allergic patients...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28320987/association-between-mean-corpuscular-hemoglobin-concentration-and-future-depressive-symptoms-in-women
#12
Ju-Mi Lee, Sarah B Nadimpalli, Jin-Ha Yoon, Se Yeon Mun, Il Suh, Hyeon Chang Kim
Insufficient hemoglobin and depression share several symptoms and often occur in the same patients. Here, we sought to clarify their relationship by investigating two indices of oxygenation at the tissue level: mean corpuscular hemoglobin concentration (MCHC) and hemoglobin level. We hypothesized that MCHC would be more informative than hemoglobin levels. This prospective, longitudinal, community-based study included 337 participants (108 men and 229 women; age range, 38-87 years) who received evaluations of MCHC, hemoglobin levels and depressive symptom scores (DSS) during baseline and follow-up examinations, which were performed in 2008-2011 and 2010-2012, respectively...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28260726/cooperation-between-single-handed-and-group-practices-ensures-the-replacement-of-gastrostomy-tubes-and-tracheal-cannulas-in-home-medical-care-settings
#13
Takuma Kimura, Satoru Yoshie, Rumiko Tsuchiya, Shohei Kawagoe, Satoshi Hirahara, Katsuya Iijima, Toru Akahoshi, Tetsuo Tsuji
In Japan, patients who require home medical care are increasing especially in the elderly. In home medical care settings, devices such as gastrostomy tubes, tracheal cannulas, and urethral catheters are usually replaced by visiting physicians or nurses. However, device replacement services are not always available in Japan. Unless device replacement services are sufficiently provided to patients at home, patients have to suffer various disadvantages, including a forced visit to a hospital for device replacement despite inability to walk...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28250354/elevated-plasma-mir-29a-levels-are-associated-with-increased-carotid-intima-media-thickness-in-atherosclerosis-patients
#14
Cui-Zhong Liu, Qi Zhong, Yu-Qing Huang
Atherosclerotic cardiovascular diseases, such as coronary heart disease, have become a major public health problem all over the world. MicroRNA-29a (miR-29a) modulates expression levels of collagen, inflammatory reaction and other extracellular matrix mRNAs, while adiponectin (APN), a circulating protein secreted by adipocytes, has anti-inflammatory properties. Both play multifaceted roles in angiogenesis or vascular remodelling. However, little is known about plasma miR-29a and APN levels in patients with atherosclerosis...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28216546/bach2-controls-homeostasis-of-eosinophils-by-restricting-the-type-2-helper-function-of-t-cells
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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