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Tohoku Journal of Experimental Medicine

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https://www.readbyqxmd.com/read/29415899/time-dependent-changes-in-increased-levels-of-plasma-irisin-and-muscle-pgc-1%C3%AE-and-fndc5-after-exercise-in-mice
#1
Minhui Pang, Jianwei Yang, Jiaming Rao, Haiqing Wang, Jiayi Zhang, Shengyong Wang, Xiongfei Chen, Xiaomei Dong
Exercise induces the expression of peroxisome proliferator-activated receptor gamma co-activator 1-α (PGC-1α) in skeletal muscle, which promotes the cleavage of fibronectin type III domain-containing protein 5 (FNDC5) to irisin. To explore the relationship between irisin and its regulators, we analyzed the plasma irisin levels and the muscle levels of FNDC5 and PGC-1α after exercise. Male C57BL/6J mice underwent a treadmill exercise (60% of VO 2max ) for 30 min or one hour (h), and blood and gastrocnemius samples were collected before exercise (pre-exercise), immediately after exercise, and during 24-h recovery after 1-h exercise...
February 2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29445068/lower-plasma-levels-of-il-35-in-patients-with-primary-biliary-cirrhosis
#2
Tengda Li, Yuanlan Huang, Peng Liu, Yun Liu, Jie Guo, Weiwei Zhang, Mingli Gu, Cheng Qian, Anmei Deng
Primary biliary cirrhosis (PBC) is an autoimmune liver disease. Its histological characteristics, such as progressive intrahepatic bile duct destruction, cholestasis, and liver cirrhosis, are caused by the body's autoimmune disorders. Interleukin (IL)-35 has two subunits (p35 and Ebi3) and is a member of the IL-12 family of heterodimeric cytokines. IL-35 has immunosuppressive functions and plays an important role in many autoimmune diseases. In this study, we compared plasma levels of IL-35 and relative mRNA expression levels of p35 and Ebi3 in peripheral blood mononuclear cells (PBMCs) from 70 PBC patients and 70 healthy individuals...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29434077/low-proportion-of-dietary-plant-protein-among-athletes-with-premenstrual-syndrome-related-performance-impairment
#3
Keiko Yamada, Takashi Takeda
Premenstrual syndrome (PMS) is psychosomatic disorder that are limited to the late luteal phase in the menstrual cycle. PMS could impair athletic performance. To investigate associations between proportions of dietary plant and animal protein and PMS-related impairment of athletic performance, we surveyed 135 female athletes aged 18-23 years attending Kindai University. Participants belonged to authorized university clubs, all of which have high rankings in Japanese university sports. Participants completed self-administered questionnaires on diet history, demographics, and PMS-related impairment of athletic performance...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29434076/differences-in-gut-microbiota-profiles-between-autoimmune-pancreatitis-and-chronic-pancreatitis
#4
Shin Hamada, Atsushi Masamune, Tatsuhide Nabeshima, Tooru Shimosegawa
Host-derived factors alter gut microenvironment, and changes in gut microbiota also affect biological functions of host. Alterations of gut microbiota have been reported in a wide variety of diseases, but the whole picture of alterations in pancreatic diseases remains to be clarified. In particular, the gut microbiota may be affected by malnutrition or impaired exocrine pancreas function that is associated with pancreatic diseases. We here conducted comprehensive analysis of gut microbiota in patients with type 1 autoimmune pancreatitis (AIP), a pancreatic manifestation of the systemic IgG4-related disease, and chronic pancreatitis (CP)...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29434075/a-missense-mutation-in-gja8-encoding-connexin-50-in-a-chinese-pedigree-with-autosomal-dominant-congenital-cataract
#5
Lusi Zhang, Youling Liang, Yedi Zhou, Huilan Zeng, Songbai Jia, Jingming Shi
Congenital cataract is leading cause of visual impairment and blindness in children worldwide. Approximately one-third of congenital cataract cases are familial, whose genetic etiology can be distinguished by targeted exome sequencing. Here, a three-generation congenital cataract pedigree was recruited, and physical and ophthalmologic examinations were taken. Targeted exome sequencing of 139 cataract-related genes was performed on the proband III:1. Sanger sequencing was used to validate the presence of variation identified via exome sequencing in family members and 200 controls...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29398690/prospective-association-of-handgrip-strength-with-risk-of-new-onset-cognitive-dysfunction-in-korean-adults-a-6-year-national-cohort-study
#6
Sanghoon Jeong, Junghoon Kim
Dementia is one of the priority public health problems in the older population, and the number of people with dementia is steadily increasing. The longitudinal association of muscle strength with risk of new-onset cognitive dysfunction in a general population including middle and older adults remains unknown. The purpose of this study was to investigate the effects of low muscle strength on risk for new-onset cognitive dysfunction over 6 years using a large nationwide sample of cognitively healthy adults. Study participants included 6,435 middle and older adults (33,554 person-years of follow-up), using data from the Korean Longitudinal Study of Ageing 2006-2012...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29375097/nucleophagy-in-human-disease-beyond-the-physiological-role
#7
Ming Zhou, Hongwen Ji, Nian Fu, Linxi Chen, Yong Xia
Autophagy is an evolutionarily conserved intracellular strategy for degrading organelles and proteins, and nucleophagy refers to the specific process of removing nuclear components from cells by autophagy, Nucleophagy is essential for cell survival by maintaining normal nuclear structure and functions. On the other hand, excessive nucleophagy may result in degradation of essential nuclear components, while impaired nucleophagy may lead to accumulation of harmful metabolic products in the nucleus. Therefore, dysregulation of nucleophagy is likely involved in the pathological process of certain diseases, including psoriasis, cancer, metabolic disorders and aging-related diseases...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29353824/alcohol-consumption-and-breast-cancer-risk-according-to-hormone-receptor-status-in-japanese-women-a-case-control-study
#8
Yoko Takizawa, Masaaki Kawai, Yoichiro Kakugawa, Yoshikazu Nishino, Noriaki Ohuchi, Yuko Minami
Alcohol consumption is a risk factor for breast cancer in Western countries, but few studies have evaluated the risk for Japanese women, who have a relatively low alcohol intake. This case-control study investigated the association of alcohol consumption with breast cancer risk according to estrogen-receptor and progesterone-receptor (ER/PgR) status in Japanese women. From female patients aged 30 years and over admitted to a single hospital in Japan between 1997 and 2011, 1,256 breast cancer cases (669 ER+/PgR+, 162 ER+/PgR-, 21 ER-/PgR+, 305 ER-/PgR-, and 99 missing) and 2,933 controls were selected...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29353823/increased-expression-of-y-box-binding-protein-1-in-hind-limb-muscles-during-regeneration-from-ischemic-injury-in-mice
#9
Megumi Fuke, Makoto Narita, Yuko Wada, Tatsuichiro Seto, Kenji Okada, Jun Nakayama, Hiroto Izumi, Ken-Ichi Ito
Critical limb ischemia (CLI) is the most severe complication of peripheral arterial disease (PAD). Understanding the molecular mechanisms underlying tissue repair after CLI is necessary for preventing PAD progression. Y-box binding protein-1 (YB-1) regulates the expression of many genes in response to environmental stresses. We aimed to determine whether YB-1 is involved in ischemic muscle regeneration. A mouse ischemic hind-limb model was generated; namely, the femoral, saphenous, and popliteal arteries in the left hind limb were ligated...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29343653/establishment-of-a-screening-system-to-identify-novel-gata-2-transcriptional-regulators
#10
Keiichi Ohashi, Tohru Fujiwara, Koichi Onodera, Yo Saito, Satoshi Ichikawa, Masahiro Kobayashi, Yoko Okitsu, Noriko Fukuhara, Yasushi Onishi, Hideo Harigae
Hematopoietic stem cells can self-renew and differentiate into all blood cell types. The transcription factor GATA-2 is expressed in hematopoietic stem and progenitor cells and is essential for cell proliferation and differentiation. Heterozygous germline GATA2 mutations induce GATA-2 deficiency syndrome, characterized by monocytopenia, a predisposition to myelodysplasia and acute myeloid leukemia, and a profoundly reduced dendritic cell (DC) population, which is associated with increased susceptibility to viral infections...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29343652/painless-thyroiditis-and-fulminant-type-1-diabetes-mellitus-in-a-patient-treated-with-an-immune-checkpoint-inhibitor-nivolumab
#11
Kanako Sakurai, Satsuki Niitsuma, Ryota Sato, Kazuhiro Takahashi, Zenei Arihara
The programmed cell death-1 (PD-1) pathway is a novel therapeutic target in immune checkpoint therapy for cancer. Nivolumab, an anti-PD-1 monoclonal antibody, blocks PD-1 and can restore anti-cancer immune responses by disrupting the signal that inhibits T-cell activation. Nivolumab may induce endocrine-related adverse events, including hypophysitis, autoimmune thyroiditis, and type 1 diabetes mellitus. Here we report a 68-year-old female patient with advanced renal cell carcinoma who was treated with nivolumab...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29321383/higher-incidence-of-sleep-disturbance-among-survivors-with-musculoskeletal-pain-after-the-great-east-japan-earthquake-a-prospective-study
#12
Yutaka Yabe, Yoshihiro Hagiwara, Takuya Sekiguchi, Yumi Sugawara, Masahiro Tsuchiya, Masashi Koide, Nobuyuki Itaya, Shinichiro Yoshida, Yasuhito Sogi, Toshihisa Yano, Ichiro Tsuji, Eiji Itoi
Sleep disturbance is a common symptom after natural disasters. Although musculoskeletal pain also increases after natural disasters, its relation to sleep disturbance is not clear. The purpose of this study was to determine the influence of musculoskeletal pain on new-onset sleep disturbance among survivors after the Great East Japan Earthquake (GEJE). A prospective cohort study was conducted with the survivors of the GEJE at two and three years after the earthquake. New-onset sleep disturbance was defined as sleep disturbance absent at two years and present at three years after the earthquake...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29311489/retained-myogenic-potency-of-human-satellite-cells-from-torn-rotator-cuff-muscles-despite-fatty-infiltration
#13
Masashi Koide, Yoshihiro Hagiwara, Masahiro Tsuchiya, Makoto Kanzaki, Hiroyasu Hatakeyama, Yukinori Tanaka, Takashi Minowa, Taro Takemura, Akira Ando, Takuya Sekiguchi, Yutaka Yabe, Eiji Itoi
Rotator cuff tears (RCTs) are a common shoulder problem in the elderly that can lead to both muscle atrophy and fatty infiltration due to less physical load. Satellite cells, quiescent cells under the basal lamina of skeletal muscle fibers, play a major role in muscle regeneration. However, the myogenic potency of human satellite cells in muscles with fatty infiltration is unclear due to the difficulty in isolating from small samples, and the mechanism of the progression of fatty infiltration has not been elucidated...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29279456/exploring-attractiveness-of-the-basic-sciences-for-female-physicians
#14
Yuka Yamazaki, Shinji Fukushima, Yuki Kozono, Takanori Uka, Eiji Marui
In Japan, traditional gender roles of women, especially the role of motherhood, may cause early career resignations in female physicians and a shortage of female researchers. Besides this gender issue, a general physician shortage is affecting basic science fields. Our previous study suggested that female physicians could be good candidates for the basic sciences because such work offers good work-life balance. However, the attractiveness for female physicians of working in the basic sciences, including work-life balance, is not known...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29279455/exogenous-bmp-7-facilitates-the-recovery-of-cardiac-function-after-acute-myocardial-infarction-through-counteracting-tgf-%C3%AE-1-signaling-pathway
#15
Yalei Jin, Xinyao Cheng, Jinping Lu, Xia Li
Myocardial fibrosis after acute myocardial infarction (AMI) is one of the main causes of myocardial remodeling and heart function abnormalities. Bone morphogenetic protein-7 (BMP-7) has been reported to play essential roles in anti-fibrosis. In this study, we demonstrated the role of exogenous BMP-7 on myocardial fibrosis and heart function recovery after AMI. A rat model of AMI was established via ligation of the left anterior descending coronary artery (LAD). Twenty rats were grouped into sham group which underwent chest open operation, but did not receive LAD ligation...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29081463/the-expression-of-cyclophilin-a-in-ovarian-endometrioma-its-correlation-with-recurrence-and-vascularity
#16
Akin Usta, Gulay Turan, Ertan Adali
Endometriosis is defined as the presence of functional endometrial tissues outside of the uterine cavity. Ovarian endometrioma is the most common type of endometriosis. It is an estrogen-dependent inflammatory disease that frequently causes infertility and chronic pelvic pain. Cyclophilin A (CyPA) is secreted from various types of cells in response to inflammatory stimuli. Many previous studies have shown that the increased expression and/or heightened plasma levels of CyPA exacerbates inflammation. The aim of this study is to evaluate CyPA immunoreactivity in ovarian endometrioma cyst wall...
October 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29081462/association-between-nitrogen-stable-isotope-ratios-in-human-hair-and-serum-levels-of-leptin
#17
Song Vogue Ahn, Sang-Baek Koh, Kwang-Sik Lee, Yeon-Sik Bong, Jong-Ku Park
Stable isotope ratios have been reported to be potential biomarkers of dietary intake and nutritional status. High serum levels of leptin, a hormone which regulates energy metabolism and food intake, are associated with insulin resistance and metabolic syndrome. However, little is known about the association between stable isotope ratios and the metabolic risk in humans. We investigated whether the carbon and nitrogen stable isotope ratios in hair are associated with serum leptin levels. Hair samples were collected from 399 healthy adults (233 men and 166 women) aged 40 to 70 years of a community-based cohort in Korea and the bulk stable isotope ratios of carbon (δ(13)C) and nitrogen (δ(15)N) were measured for all hair samples...
October 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29081456/lead-poisoning-caused-by-traditional-chinese-medicine-a-case-report-and-literature-review
#18
Guangmin Tang, Xiang Tu, Ping Feng
Traditional Chinese herbal medicine is widely used for primary health care worldwide as it mostly consists of herbs or herbal extracts known to be safe. However, owing to the intentional or unintentional addition to herbs of lead-containing bases or pastes, lead poisoning from traditional Chinese medicine (TCM) remains a serious issue. We report here a case of lead poisoning caused by long-term use of homemade TCM. A 66-year-old man was admitted for periumbilical pain and constipation. A detailed medication history revealed that the patient had been using homemade TCM for the past 8 months...
October 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29070782/temporal-patterns-of-individual-neuronal-firing-in-rat-dorsal-column-nuclei-provide-information-required-for-somatosensory-discrimination
#19
Shin-Ichiro Shishido, Takashi Toda
A wealth of mechanical information from the body generates various forms of sensory experience during touch or kinesthesia. Dorsal column nuclei (DCN) in the medulla are the first relay station for somatosensory inputs from peripheral receptors. These nuclei integrate somatosensory information and send the output to higher-order centers; therefore, investigating the firing patterns of DCN neurons should elucidate coding principles within the somatosensory system. In this study, we quantified the firing patterns of DCN neurons and examined whether the firing patterns of particular neurons are altered when moving tactile stimuli are applied in different directions...
October 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29057763/vasohibin-1-is-a-poor-prognostic-factor-of-ovarian-carcinoma
#20
Rikiya Sano, Naoki Kanomata, Soichiro Suzuki, Koichiro Shimoya, Yasufumi Sato, Takuya Moriya, Mitsuru Shiota
Vasohibin-1 (VASH1) is an identified negative feedback inhibitor of angiogenesis induced by vascular endothelial growth factor (VEGF) in vascular endothelial cells (ECs). Expression of VASH1 has been reported not only in ECs of normal tissue, but also in ECs surrounding malignant tumors. In malignant tumors, VASH1 is also gaining attention as a prognosis prediction marker. The aim of this study is to investigate the correlation between VASH1 expression and vascular-related factors and various clinicopathological outcomes in clinical cases of ovarian carcinoma...
October 2017: Tohoku Journal of Experimental Medicine
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