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Tohoku Journal of Experimental Medicine

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
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
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
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
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
Tracey Elizabeth Claire Jones-Konneh, Aya Murakami, Hiroyuki Sasaki, Shinichi Egawa
The rare and deadly Ebola virus disease (EVD) is caused by Ebola virus (EBOV) infection. The 2014-2015 EVD outbreak in West Africa was unprecedented. Person-to-person transmission of EBOV by direct contact with the body or bodily fluids of an infected person through broken skin or unprotected mucous membrane caused rapid outbreak in communities. Nosocomial infection was the cause of death of many health care workers (HCWs). This paper aims to reveal the importance and effect of intensive education of HCWs when combating an outbreak such as EVD...
October 2017: Tohoku Journal of Experimental Medicine
Shan Li, Lei Zhao, Xiao-Hui Wan
Polycystic ovary syndrome (PCOS) is a complex endocrine syndrome, resulting from the interaction of gene variants and environmental factors. PCOS is viewed as a proinflammatory state and is characterized by hyperandrogenism, hyperinsulinemia, and over-weight. In China, the incidence of PCOS is higher in the Uygur population than that in the Chinese Han population. The association of the tumor necrosis factor α (TNF-α) gene with PCOS remains to be clarified. Here, we investigated the association of TNF-α polymorphisms with PCOS in the Uygur population (393 patients with PCOS and 381 healthy subjects)...
October 2017: Tohoku Journal of Experimental Medicine
Hyun Jung Kim, Kyunghoon Min, Chan Ho Lee, Yun Kyung Cho, Jin Soo Yoon, Dong Rae Cho, Kyoung Suk Woo, Je Young Song, MinYoung Kim
The Manual Function Test (MFT) is a tool to assess upper extremity motor impairment associated with stroke. This study investigated psychometric properties of the Korean version of the MFT and to establish normative data. Eighty-one patients were enrolled to evaluate MFT, Fugl-Meyer Assessment (FMA) and manual muscle test (MMT). MFT was completed by eight raters on two occasions separated by 6 weeks. Absolute and relative reliability and validity were examined. Additionally, MFT was assessed on 75 healthy controls of different ages...
October 2017: Tohoku Journal of Experimental Medicine
Mari Yamasue, Shin-Ichi Nureki, Yuko Usagawa, Tomoko Ono, Hiroyuki Matsumoto, Takamasa Kan, Jun-Ichi Kadota
Pulmonary alveolar proteinosis (PAP) is characterized by the accumulation of periodic acid-schiff stain-positive lipoproteinaceous materials in the alveolar space due to impaired surfactant clearance by alveolar macrophage. Autoimmune PAP is the most common form of PAP, but rarely accompanies collagen disease or sarcoidosis. We report here a rare case of autoimmune PAP preceded by systemic sclerosis and sarcoidosis. A 64-year-old woman was admitted to our hospital for blurred vision, muscle weakness of extremities, Raynaud's phenomenon, and exertional dyspnea...
September 2017: Tohoku Journal of Experimental Medicine
Minhui Pang, Lin Peng, Siheng Zhang, Jianwei Yang, Jiaming Rao, Haiqing Wang, Jiayi Zhang, Xiongfei Chen, Xiaomei Dong
People living with HIV or AIDS (PLWHA) experienced severe medical discrimination which is seriously affecting their lives. However, few studies examined the epidemic characteristics of self-perceived medical discrimination from the discrimination objects such as PLWHA. Therefore, we aimed to investigate the epidemiological status and analyze the influential factors of the self-perceived medical discrimination on PLWHA in South China. The self-designed questionnaire was used to investigate the medical discrimination status of the 443 infected persons, who were randomly recruited from the representative AIDS designated hospitals in Guangdong Province in South China...
September 2017: Tohoku Journal of Experimental Medicine
Yoshihiro Kamiyama, Shinichi Yamashita, Atsuhiro Nakagawa, Shinji Fujii, Koji Mitsuzuka, Yasuhiro Kaiho, Akihiro Ito, Takaaki Abe, Teiji Tominaga, Yoichi Arai
In the setting of partial nephrectomy (PN) for renal cell carcinoma, postoperative renal dysfunction might be caused by surgical procedure. The aim of this study was to clarify the technical safety and renal damage after off-clamp laparoscopic PN (LPN) with a piezo actuator-driven pulsed water jet (ADPJ) system. Eight swine underwent off-clamp LPN with this surgical device, while off-clamp open PN was also performed with radio knife or soft coagulation. The length of the removed kidney was 40 mm, and the renal parenchyma was dissected until the renal calyx became clearly visible...
September 2017: Tohoku Journal of Experimental Medicine
Kae Okoshi, Taro Minami, Masahiro Kikuchi, Yasuko Tomizawa
Playing musical instruments can bring joy to people, but can also cause a wide variety of health issues that range from mild disorders to potentially fatal conditions. Although sports medicine is an established medical subspecialty, relatively few studies have investigated the health issues associated with musical instruments. Here we present an overview of these health issues. These include infections due to microorganisms, allergic reactions, as well as mechanical injuries from sustained high pressures within the oral, mediastinal, thoracic, and abdominal cavities...
September 2017: Tohoku Journal of Experimental Medicine
Ronghua Xu, Jiayi Li, Bo Wei, Weiling Huo, Liming Wang
Transforming growth factor-β1 (TGF-β1) has been reported to improve chondrocytes phenotype and function. The expression levels of microRNA-483-5p (miR-483-5p), a potential regulator of TGF-β signaling pathway, were elevated in chondrocytes of patients with osteoarthritis. In this study, we aimed to explore the role of miR-483-5p for the expression of cartilage-related genes in chondrocytes. Human chondrocytes were harvested from femoral condyle and tibial plateau of different donors (n = 10) following amputation due to sarcomas not involving the joint space...
September 2017: Tohoku Journal of Experimental Medicine
Koji Kanamori, Noriko Ihana-Sugiyama, Ritsuko Yamamoto-Honda, Tomoka Nakamura, Chie Sobe, Shigemi Kamiya, Miyako Kishimoto, Hiroshi Kajio, Kimiko Kawano, Mitsuhiko Noda
Carbohydrate-restricted diets are prevalent not only in obese people but also in the general population to maintain appropriate body weight. Here, we report that extreme carbohydrate restriction for one day affects the subsequent blood glucose levels in healthy adults. Ten subjects (median age 30.5 years, BMI 21.1 kg/m(2), and HbA1c 5.5%), wearing with a continuous glucose monitoring device, were given isoenergetic test meals for 4 consecutive days. On day 1, day 2 (D2), and day 4 (D4), they consumed normal-carbohydrate (63-66% carbohydrate) diet, while on day 3, they took low-carbohydrate/high-fat (5% carbohydrate) diet...
September 2017: Tohoku Journal of Experimental Medicine
Naoki Nakaya, Toshimasa Sone, Kumi Nakaya, Yasutake Tomata, Atsushi Hozawa, Ichiro Tsuji
Cancer diagnosis influences both patients and their closest relatives. This cross-sectional study examined psychological distress among individuals whose partners had cancer in a population-based sample. Participants in the survey were citizens residing in Ohsaki City, Miyagi, Japan. Spouse pairs were identified by information of participants' relationship to the householder and address provided by municipality, and we collected self-report information on cancer history and current pain (but not the cause of pain)...
September 2017: Tohoku Journal of Experimental Medicine
Shigeo Godo, Shigemi Irino, Atsuhiro Nakagawa, Yu Kawazoe, Motoo Fujita, Daisuke Kudo, Ryosuke Nomura, Hiroaki Shimokawa, Shigeki Kushimoto
Paroxysmal sympathetic hyperactivity (PSH) is a distinct syndrome of episodic sympathetic hyperactivities following severe acquired brain injury, characterized by paroxysmal transient fever, tachycardia, hypertension, tachypnea, excessive diaphoresis and specific posturing. PSH remains to be an under-recognized condition with a diagnostic pitfall especially in the intensive care unit (ICU) settings due to the high prevalence of concomitant diseases that mimic PSH. A consensus set of diagnostic criteria named PSH-Assessment Measure (PSH-AM) has been developed recently, which is consisted of two components: a diagnosis likelihood tool derived from clinical characteristics of PSH, and a clinical feature scale assigned to the severity of each sympathetic hyperactivity...
September 2017: Tohoku Journal of Experimental Medicine
Shinichi Egawa, Tomomi Suda, Tracey Elizabeth Claire Jones-Konneh, Aya Murakami, Hiroyuki Sasaki
In the 2011 Great East Japan Earthquake (GEJE), successful medical and public health coordination by pre-assigned disaster medical coordinators saved many affected people, though the coordination itself had difficulties. This study aims to clarify the implementation and the challenges of disaster medical coordinators in Japan. We performed questionnaire surveillance in 2012 and 2014 to all prefectural government on assignment of disaster medical coordinators, their expected roles and supporting system. Out of all 47 prefectures, assignment or planning of disaster medical coordinators jumped up from four (8...
September 2017: Tohoku Journal of Experimental Medicine
Oa Tanaka, Eri Maeda, Masahito Fushimi, Toyoto Iwata, Tetsuo Shimizu, Seiji Saito, Katsuyuki Murata
Some epidemiological studies with a large number of subjects, like a national health study, reported that precarious employment was associated with increased depressive symptoms, but this hypothesis may not be applicable to precarious workers of all industry types. We examined the association between precarious employment and depressive symptoms in light of work-related stress in care work environments. The self-administered questionnaire, composed of the Job Content Questionnaire based on the demand-control-support model and the Center of Epidemiological Studies Depression Scale (CES-D), was distributed, and a total of 1,338 permanent and 531 precarious employees responded to it with complete forms...
September 2017: Tohoku Journal of Experimental Medicine
Jin Qi, Yaoqi Yang, Ping Hao, Jianqiang Xu
We reported "Transcription Factor SOX9 Promotes Osteosarcoma Cell Growth by Repressing Claudin-8 Expression" in Tohoku J. Exp. Med., 2017, 241 (1), 55-63; doi: 10.1620/tjem.241.55. After publication of the paper, we have become aware of the ethical violation in collecting the samples from some patients. We therefore wish to retract the paper and apologize for any inconvenience caused by the retraction.
August 2017: Tohoku Journal of Experimental Medicine
Yuya Takakubo, Daichi Ohta, Masaji Ishi, Juji Ito, Hiroharu Oki, Yasushi Naganuma, Tomohiro Uno, Akiko Sasaki, Takeru Akabane, Katsuyuki Dairaku, Shinichi Goto, Yasuo Goto, Yumiko Kanauchi, Shinji Kobayashi, Taku Nakajima, Keiji Masuda, Michiharu Matsuda, Nariyuki Mura, Kenji Takenouchi, Hiroyuki Tsuchida, Yasushi Onuma, Junichirou Shibuya, Mitsuyoshi Seino, Osamu Yamaguchi, Ken Hiragami, Yasuhiro Urayama, Takashi Furukawa, Shouta Okuda, Ken Ogura, Takeshi Nakamura, Kan Sasaki, Tsuneo Konta, Michiaki Takagi
Atypical femoral fractures (AFFs) have been reported to occur with minimal or spontaneous subtrochanteric and femoral shaft fractures with a characteristic transverse pattern, compared with typical femoral fractures in young patients with high-energy trauma. AFFs are related to long-term use of bisphosphonates (BPs), glucocorticoids and rheumatic diseases. We have estimated a blind analysis of AFFs in rheumatic patients receiving BPs and glucocorticoids ordinary over a long time in all Yamagata prefectural area through radiographic examination...
August 2017: Tohoku Journal of Experimental Medicine
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