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Andrea Schmitt, Daniel Martins-de-Souza, Schahram Akbarian, Juliana S Cassoli, Hannelore Ehrenreich, Andre Fischer, Alfred Fonteh, Wagner F Gattaz, Michael Gawlik, Manfred Gerlach, Edna Grünblatt, Tobias Halene, Alkomiet Hasan, Kenij Hashimoto, Yong-Ku Kim, Sophie-Kathrin Kirchner, Johannes Kornhuber, Theo F J Kraus, Berend Malchow, Juliana M Nascimento, Moritz Rossner, Markus Schwarz, Johann Steiner, Leda Talib, Florence Thibaut, Peter Riederer, Peter Falkai
OBJECTIVES: Despite progress in identifying molecular pathophysiological processes in schizophrenia, valid biomarkers are lacking for both the disease and treatment response. METHODS: This comprehensive review summarises recent efforts to identify molecular mechanisms on the level of protein and gene expression and epigenetics, including DNA methylation, histone modifications and micro RNA expression. Furthermore, it summarises recent findings of alterations in lipid mediators and highlights inflammatory processes...
October 26, 2016: World Journal of Biological Psychiatry
Yusuke Hashimoto, Saki Tanikawa, Ryota Saito, Kaname Sasaki
β-Stereoselective mannosylation using donors bearing the 2,6-lactone moiety is described. In general, glycosylation is a nucleophilic substitution reaction between an alcoholic nucleophile and a sugar moiety containing a leaving group at the anomeric position. Owing to stereoelectronic effects, the reaction tends to proceed via an SN1 mechanism to afford α-glycosides. We found that the introduction of a 2,6-lactone bridge can circumvent the competing SN1 reaction, affording β-glycosides with stereoinversion via SN2(-like) mechanisms...
October 26, 2016: Journal of the American Chemical Society
Justyna Kubiszewska, Beata Szyluk, Piotr Szczudlik, Zbigniew Bartoszewicz, Małgorzata Dutkiewicz, Maksymilian Bielecki, Tomasz Bednarczuk, Anna Kostera-Pruszczyk
OBJECTIVES: Autoimmune thyroid diseases (ATDs) frequently accompany myasthenia gravis (MG) and may influence its course. We aimed to determine the association and impact of ATD with early- (<50 years), late-onset MG, or thymoma-MG. MATERIALS AND METHODS: Prevalence of ATD was measured in a cross-sectional study of 343 consecutive patients with MG (236 F, 107 M) aged 4-89 years; 83.8% were seropositive, in 2.9%, anti-MuSK antibodies were detected. Concentrations of antithyroid peroxidase antibodies, antithyroglobulin antibodies, antithyrotropin receptor antibodies, and TSH level were measured in all patients...
October 2016: Brain and Behavior
Yoko Miyoshi, Kie Yasuda, Makiko Tachibana, Hisao Yoshida, Emiko Miyashita, Takako Miyamura, Yoshiko Hashii, Kae Hashimoto, Tadashi Kimura, Keiichi Ozono
Gonadal dysfunction and infertility are major endocrinological late effects among childhood cancer survivors. Chemotherapy and radiation have gonadotoxic effects and diminish the ovarian reserve. The serum concentration of anti-Müllerian hormone (AMH) is a useful marker of ovarian reserve in survivors. We conducted a longitudinal study to investigate the variations of AMH in evaluating the acute and chronic effects of cancer therapy on the ovary. Three young female patients with different hematological diseases were registered, and their medical records were reviewed...
October 2016: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
Tetsuya Hashimoto, Mikito Hayakawa, Naoko Funatsu, Hiroshi Yamagami, Tetsu Satow, Jun C Takahashi, Kazuyuki Nagatsuka, Hatsue Ishibashi-Ueda, Jun-Ichi Kira, Kazunori Toyoda
BACKGROUND AND PURPOSE: Histopathologic evaluation of occlusive thrombi retrieved from cerebral arteries using endovascular therapy is possible. We investigated the relationship between successful reperfusion after thrombectomy and histopathologic characteristics of retrieved thrombi. METHODS: Among consecutive patients with acute ischemic stroke treated with endovascular therapy at our institute from December 2010 to July 2015, we retrospectively reviewed those with acute major arterial occlusion from which retrieved thrombi were evaluated histopathologically...
October 25, 2016: Stroke; a Journal of Cerebral Circulation
Masaya Kozono, Hirofumi Uto, Rie Ibusuki, Shiho Arima, Kohei Oda, Hiroki Taguchi, Fumisato Sasaki, Yuichiro Nasu, Shinichi Hashimoto, Hitoshi Setoyama, Shuji Kanmura, Masatsugu Numata, Hirohito Tsubouchi, Akio Ido
Metabolic syndrome based on insulin resistance (IR) and hypertension is a risk factor for advanced liver disease and cardiovascular disease in patients with nonalcoholic steatohepatitis (NASH). The present study investigated the effects of severe hypertension induced by a high‑salt (HS) diet and antihypertensive therapy on the pathophysiological condition of spontaneously hypertensive rats (SHRs) with steatohepatitis. Steatohepatitis was induced using a choline-deficient, L-amino acid-defined diet (CDAA)...
October 21, 2016: Molecular Medicine Reports
Annarosa Floreani, Chiara Mangini, Anna Reig, Irene Franceschet, Nora Cazzagon, Lisa Perini, Llorenç Caballería, Silvia Cocchio, Vincenzo Baldo, Albert Parés
OBJECTIVES: Primary biliary cholangitis (PBC) is often associated with other autoimmune diseases, but little is known about the influence of thyroid disease (TD) on the natural history of PBC. Our aim is to analyze the association between PBC and TD, and the latter's impact on the natural history of PBC at two European centers. METHODS: The study involved 921 PBC patients enrolled between 1975 and 2015 in Padova (376 patients) and Barcelona (545 patients), with a mean follow-up of 126...
October 25, 2016: American Journal of Gastroenterology
Betül Ersoy, Kiremitçi Yılmaz Seniha, Deniz Kızılay, Münevver Yılmaz, Şenol Coşkun
Complex clinical presentation with diverse timing of particular symptoms may cause diagnostic difficulties, especially in children and adolescents. This paper presents diagnostic difficulties and pitfalls in 3 children with acquired primary hypothyroidism due to Hashimoto's thyroiditis (HT) presenting with unusual manifestations. We described 3 children with acquired primary hypothyroidism due to HT. One of our patients had musculoskeletal pain and was diagnosed and treated as having connective tissue disease...
September 2016: Annals of Pediatric Endocrinology & Metabolism
Tasuku Hashimoto, Akihiro Shiina, Tadashi Hasegawa, Hiroshi Kimura, Yasunori Oda, Tomihisa Niitsu, Masatomo Ishikawa, Masumi Tachibana, Katsumasa Muneoka, Satoshi Matsuki, Michiko Nakazato, Masaomi Iyo
BACKGROUND: This study aimed to evaluate whether selecting mirtazapine as the first choice for current depressive episode instead of selective serotonin reuptake inhibitors (SSRIs) reduces benzodiazepine use in patients with major depressive disorder (MDD). We concurrently examined the relationship between clinical responses and serum mature brain-derived neurotrophic factor (BDNF) and its precursor, proBDNF. METHODS: We conducted an open-label randomized trial in routine psychiatric practice settings...
2016: Annals of General Psychiatry
Akihiko Katayama, Nobuyuki Miyatake, Hiroyuki Nishi, Kazuhiro Ujike, Hiroo Hashimoto, Risa Kurato, Kiichi Koumoto
In a longitudinal study, we examined the link between changes in physical activity and changes in health-related quality of life (HRQOL) in patients on chronic hemodialysis. Seventy-one patients (43 males, 28 females; aged 70.9±10.6 years) on chronic hemodialysis in September 2013 were enrolled. The data of the 43 patients whose complete measurements were taken again in September 2014 were used for the longitudinal analysis. Clinical parameters including age, height, dry weight, duration of hemodialysis, blood pressure (BP), blood triglyceride and HDL cholesterol levels, physical activity, and HRQOL were evaluated...
October 2016: Acta Medica Okayama
Hirotsugu Hashimoto, Masahiro Yanagiya, Masashi Kusakabe, Atsushi Kurata, Sayaka Ohara, Yoshio Suzuki, Jun Matsumoto, Hajime Horiuchi
Vascular changes observed in intralobar pulmonary sequestration (PS) have been reported to be similar to those observed in pulmonary hypertension (PH). However, atherosclerosis in the pulmonary artery, which is one of the characteristic arterial changes of PH, has scarcely been reported in PS. Here, we report this unique manifestation in a 66-year-old man, in whom an intralobar PS fed by an aberrant artery branching from the left gastric artery had been identified 10 years earlier, and who was diagnosed with pneumonia after having symptoms of fever and cough...
October 5, 2016: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
J Gerenova, S Stanilova
Functional genetic polymorphisms that altered gene expression of cytokines are candidate genetic factors that could modulate the development and progression of Hashimoto's thyroiditis (HT). IL-12B gene encoded the IL-12p40 subunit, which is included in the pro-inflammatory heterodimeric cytokines IL-12p70 and IL-23. IL-10 is an important Treg cytokine suppressing inflammatory cytokine production and autoimmunity. This study was designed to compare -1082A/GIL-10 and +1188A/C3'UTRIL-12B genotype distribution in 130 patients with HT to a group of 157 healthy controls in attempts to determine an association with HT development...
October 24, 2016: International Journal of Immunogenetics
Misato Nagao, Jun Nishikawa, Ryo Ogawa, Sho Sasaki, Munetaka Nakamura, Junichi Nishimura, Atsushi Goto, Shinichi Hashimoto, Takeshi Okamoto, Masato Suenaga, Yoshihiko Hamamoto, Isao Sakaida
This study aimed to evaluate the utility of optical enhancement (OE) in early gastric cancer demarcation. Twenty lesions of early gastric cancer were examined by PENTAX endoscopy system with OE-1 and OE-2 functions. The areas of tumor demarcation identified by 12 evaluators (6 novice and 6 experienced) were compared to the corresponding correct areas determined by postoperative histopathology findings. The misdiagnosed scores that were the sums of false-positive and false-negative areas were compared. Color of one hundred pixels from the inside of the cancerous area and the outside of the cancerous area was expressed as three-dimensional RGB component vectors...
2016: Gastroenterology Research and Practice
Hiroyuki Sumi, Masakazu Inazuka, Megumi Morimoto, Ryosuke Hibino, Kentaro Hashimoto, Tomoyasu Ishikawa, Keisuke Kuida, Peter G Smith, Sei Yoshida, Masato Yabuki
Inhibitors of apoptosis proteins (IAPs) are antiapoptotic regulators that block cell death, and are frequently overexpressed in several human cancers, where they facilitate evasion of apoptosis and promote cell survival. IAP antagonists are also known as second mitochondria-derived activator of caspase (SMAC)-mimetics, and have recently been considered as novel therapeutic agents for inducing apoptosis, alone and in combination with other anticancer drugs. In this study, we showed that T-3256336, the orally available IAP antagonist has synergistically enhances the antiproliferative effects of the NEDD8-activating enzyme (NAE) inhibitor pevonedistat (TAK-924/MLN4924), and these effects were attenuated by a TNFα-neutralizing antibody...
October 19, 2016: Biochemical and Biophysical Research Communications
Jun Negishi, Yoshihide Hashimoto, Akitatsu Yamashita, Tsuyoshi Kimura, Akio Kishida, Seiichi Funamoto
Decellularized arteries were prepared to evaluate the in vivo recellularization of biological material after implantation. Porcine aortas and radial arteries were decellularized using high-hydrostatic pressure to form materials with histologically-different structures. Successful removal of cells from decellularized arteries was evaluated by hematoxylin-eosin staining and measurement of residual DNA. Cell remnants were eliminated completely from the decellularized arteries, and histological structures were preserved...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Masaki Hashimoto, Shigeki Shimizu, Teruhisa Takuwa, Yoshitane Tsukamoto, Tohru Tsujimura, Seiki Hasegawa
BACKGROUND: An atypical type A thymoma variant was newly added to the WHO classification of type A thymoma family in 2015. CASE PRESENTATION: A 72-year-old female was present a large round mass in the anterior mediastinum. The radiological examination led to a preoperative diagnosis of non-invasive thymoma. Tumor resection was undertaken via median sternotomy. Complete removal of the mediastinal tumor was achieved. Pathological examination revealed that the tumor cells were spindle- and oval-shaped with atypia...
December 2016: Surgical Case Reports
Ryuya Hashimoto, Tetsuya Sugiyama, Makoto Ubuka, Takatoshi Maeno
PURPOSE: To investigate optic nerve head (ONH) blood flow changes resulting from intraocular pressure (IOP) elevation in subjects without systemic disorders. MATERIALS AND METHODS: Eighteen eyes of 18 patients who underwent vitrectomy to treat an epiretinal membrane or macular hole at Toho University Sakura Medical Center were included. Following standard 25-gauge microincision vitreous surgery, mean blur rate (MBR) in tissue (MT), an index of ONH blood flow, was measured using laser speckle flowgraphy...
October 21, 2016: Current Eye Research
Nasser K Yaghi, Jun Wei, Yuuri Hashimoto, Ling-Yuan Kong, Konrad Gabrusiewicz, Edjah K Nduom, Xiaoyang Ling, Neal Huang, Shouhao Zhou, Brittany C Parker Kerrigan, Jonathan M Levine, Virginia R Fajt, Gwendolyn Levine, Brian F Porter, Eric G Marcusson, Kiyoshi Tachikawa, Padmanabh Chivukula, David C Webb, Joseph E Payne, Amy B Heimberger
BACKGROUND: Previously we showed therapeutic efficacy of unprotected miR-124 in preclinical murine models of glioblastoma, including in heterogeneous genetically engineered murine models by exploiting the immune system and thereby negating the need for direct tumor delivery. Although these data were promising, to implement clinical trials, we required a scalable formulation that afforded protection against circulatory RNases. METHODS: We devised lipid nanoparticles that encapsulate and protect the miRs from degradation and provide enhanced delivery into the immune cell compartment and tested in vivo antitumor effects...
October 8, 2016: Neuro-oncology
Chao Dong, Ji-Chun Zhang, Wei Yao, Qian Ren, Min Ma, Chun Yang, Shigeyuki Chaki, Kenji Hashimoto
BACKGROUND: Similar to the N-methyl-D-aspartate (NMDA) receptor antagonist ketamine, the metabotropic glutamate 2/3 (mGlu2/3) receptor antagonist, MGS0039 shows antidepressant effects. However, there are no reports comparing these two compounds in the social defeat stress model of depression. METHODS: We examined the effects of MGS0039 (1 mg/kg) and ketamine (10 mg/kg) on depression-like behavior in susceptible mice, after repeated social defeat stress. Protein levels of brain-derived neurotrophic factor (BDNF), TrkB, phospho-TrkB (p-TrkB), α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor (GluA1) and postsynaptic density protein 95 (PSD-95), and dendritic spine density in selected brain regions were measured...
October 7, 2016: International Journal of Neuropsychopharmacology
Yasuo Amano, Fumi Yanagisawa, Masaki Tachi, Hidenobu Hashimoto, Shogo Imai, Shinichiro Kumita
OBJECTIVE: The aim of this study was to evaluate the usefulness of T2 mapping for detecting myocardial injuries in patients with hypertrophic cardiomyopathy (HCM). METHODS: Twenty-one HCM patients and 7 healthy volunteers were examined. The T2 values were measured at hyperintense areas (high-T2 areas) identified with T2 mapping, at late gadolinium enhancement (LGE) areas, and in nullified myocardium of the HCM patients. The associations between T2 values and laboratory data or LGE areas were assessed...
October 19, 2016: Journal of Computer Assisted Tomography
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