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https://www.readbyqxmd.com/read/28229933/nuclear-lamins-and-progerin-are-dispensable-for-antioxidant-nrf2-response-to-arsenic-and-cadmium
#1
Kazunori Hashimoto, Rima Majumdar, Yoshiaki Tsuji
Lamins are important constituents of the nuclear inner membrane and provide a platform for transcription factors and chromatin. Progerin, a C-terminal truncated lamin A mutant, causes premature aging termed Hutchinson-Gilford Progeria Syndrome (HGPS). Oxidative stress appears to be involved in the pathogenesis of HGPS, although the mechanistic role of progerin remains elusive. Here we examined whether nuclear lamins are important for a cellular antioxidant mechanism, and whether progerin compromises it. We investigated the activation of nuclear factor-E2-related factor 2 (Nrf2) which regulates various antioxidant genes including heme oxygenase-1 (HMOX1), following exposure to sodium arsenite or cadmium chloride in lamin knockdown human cell lines and primary HGPS human fibroblasts...
February 14, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28229300/significance-of-lymph-node-metastasis-in-pancreatic-neuroendocrine-tumor
#2
Katsunobu Taki, Daisuke Hashimoto, Shigeki Nakagawa, Nobuyuki Ozaki, Shinjiro Tomiyasu, Masaki Ohmuraya, Kota Arima, Takayoshi Kaida, Takaaki Higashi, Keita Sakamoto, Kazuya Sakata, Hirohisa Okabe, Hidetoshi Nitta, Hiromitsu Hayashi, Akira Chikamoto, Toru Beppu, Hiroshi Takamori, Masahiko Hirota, Hideo Baba
PURPOSE: Pancreatic neuroendocrine tumor (PNET) is relatively rare and has a generally better prognosis than does pancreatic cancer. However, as its prognosis in patients with lymph node metastasis (LNM) is unclear, lymph node dissection for PNET is controversial. Our study aimed to clarify the significance of LNM in PNET. METHODS: We retrospectively examined 83 PNET patients who underwent pancreatic resections with lymph node dissection at Kumamoto University Hospital, Saiseikai Kumamoto Hospital, and Kumamoto Regional Medical Center from April 2001 to December 2014...
February 22, 2017: Surgery Today
https://www.readbyqxmd.com/read/28229271/new-pet-ct-criterion-for-nodal-staging-in-non-small-cell-lung-cancer-measurement-of-the-ratio-of-section-area-of-standard-uptake-values-%C3%A2-2-5-lymph-node-section-area
#3
Yoshitaro Saito, Kazuhiro Imai, Koichi Ishiyama, Hajime Saito, Satoru Motoyama, Yusuke Sato, Hayato Konno, Satoshi Fujishima, Manabu Hashimoto, Yoshihiro Minamiya
BACKGROUND: The aim of the present study was to use surgical and histological results to develop a simple noninvasive technique for improving nodal staging using preoperative PET/CT in patients with resectable non-small cell lung cancer (NSCLC). METHODS: Preoperative PET/CT findings (163 patients) and pathological diagnoses after surgical resection were evaluated. Using PET/CT images, lymph node section area (SA), the maximum standardized uptake value (SUVmax), SA of SUV ≥2...
February 23, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28229097/pediatric-hypovitaminosis-d-molecular-perspectives-and-clinical-implications
#4
Rafiu Ariganjoye
Vitamin D, a secosteroid, is essential for the development and maintenance of healthy bone in both the adult and pediatric populations. Low level of 25-hydroxy vitamin D (25-(OH)-D) is highly prevalent in children worldwide and has been linked to various adverse health outcomes including rickets, osteomalacia, osteomalacic myopathy, sarcopenia, and weakness, growth retardation, hypocalcemia, seizure and tetany, autism, cardiovascular diseases, diabetes mellitus, cancers (prostate, colon, breast), infectious diseases (viral, tuberculosis), and autoimmune diseases, such as multiple sclerosis and Hashimoto's thyroiditis...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28228557/surfactant-protein-a-inhibits-growth-and-adherence-of-uropathogenic-escherichia-coli-to-protect-the-bladder-from-infection
#5
Jiro Hashimoto, Motoko Takahashi, Atsushi Saito, Masaki Murata, Yuichiro Kurimura, Chiaki Nishitani, Rina Takamiya, Yasuaki Uehara, Yoshihiro Hasegawa, Yoshiki Hiyama, Norimasa Sawada, Satoshi Takahashi, Naoya Masumori, Yoshio Kuroki, Shigeru Ariki
Surfactant protein A (SP-A) is a multifunctional host defense collectin that was first identified as a component of pulmonary surfactant. Although SP-A is also expressed in various tissues, including the urinary tract, its innate immune functions in nonpulmonary tissues are poorly understood. In this study, we demonstrated that adherence of uropathogenic Escherichia coli (UPEC) to the bladder was enhanced in SP-A-deficient mice, which suggests that SP-A plays an important role in innate immunity against UPEC...
February 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28226412/rage-polymorphisms-and-oxidative-stress-levels-in-hashimoto-s-thyroiditis
#6
Maria Giannakou, Katerina Saltiki, Emily Mantzou, Eleni Loukari, Georgios Philippou, Konstantinos Terzidis, Kiriaki Lili, Charalampos Stavrianos, Miltiades Kyprianou, Maria Alevizaki
BACKGROUND: Polymorphisms of the receptor for advanced glycation end products (RAGE) gene have been studied in various autoimmune disorders, but not in Hashimoto's thyroiditis. Also, increased oxidative stress has been described in patients with Hashimoto's thyroiditis. The aim of the present study was to investigate the possible role of two common RAGE polymorphisms (-429T>C, -374T>A) in Hashimoto's thyroiditis; in parallel we studied oxidative stress levels. MATERIALS AND METHODS: 300 consecutive euthyroid women were examined and classified into three groups: Hashimoto's thyroiditis with treatment (n=96), Hashimoto's thyroiditis without treatment (n=109) and controls (n=95)...
February 22, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28225862/association-between-c1q-gene-polymorphisms-and-autoimmune-thyroid-diseases
#7
Qiuming Yao, Jie Li, Xiaofei An, Wenjuan Jiang, Qiu Qin, Ronghua Song, Ni Yan, Danfeng Li, Yanfei Jiang, Wen Wang, Liangfeng Shi, Jin-An Zhang
Objective: In the present study, we aimed to assess the associations of C1q gene polymorphisms with autoimmune thyroid diseases (AITD) susceptibility. Subjects and methods: A set of 1,003 AITD patients (661 with Graves' disease and 342 with Hashimoto's thyroiditis) and 880 ethnically- and geographically-matched controls from Chinese Han population were included. Five common single nucleotide polymorphisms (SNPs) (rs294185, rs292001, rs682658, rs665691 and rs294179) in C1q gene locus were genotyped...
February 16, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225596/top-down-metabolomic-approaches-for-nitrogen-containing-metabolites
#8
Ryo Nakabayashi, Kei Hashimoto, Kiminori Toyooka, Kazuki Saito
Streamlining the processes that reveal heteroatom-containing metabolites and their biosynthetic genes is essential in integrated metabolomics studies. These metabolites are especially targeted for their potential pharmaceutical activities. By using a Fourier-transform ion cyclotron resonance-mass spectrometry (FTICR-MS) instrument, we provide top-down targeted metabolomic analyses using ultrahigh-resolution liquid chromatography-mass spectrometry (LC-MS), high-resolution matrix-assisted laser desorption/ionization (MALDI), and high-resolution imaging mass spectrometry (IMS) with (15)N labeling of nitrogen-containing metabolites...
February 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28222973/nationwide-multi-institutional-retrospective-analysis-of-high-dose-rate-brachytherapy-combined-with-external-beam-radiotherapy-for-localized-prostate-cancer-an-asian-prostate-hdr-bt-consortium
#9
Hiromichi Ishiyama, Nobuhiko Kamitani, Hidemasa Kawamura, Shingo Kato, Manabu Aoki, Shinji Kariya, Taisei Matsumura, Motoki Kaidu, Ken Yoshida, Yaichiro Hashimoto, Yasutaka Noda, Keith H C Lim, Takatsugu Kawase, Takeo Takahashi, Koji Inaba, Motoyasu Kumano, Nobuhiko Yoshikawa, Yasuo Yoshioka, Katsumasa Nakamura, Junichi Hiratsuka, Jun Itami, Kazushige Hayakawa
PURPOSE: To report outcomes and risk factors of high-dose-rate (HDR) brachytherapy combined with external beam radiotherapy with or without androgen deprivation therapy (ADT) in prostate cancer patients. MATERIALS AND METHODS: This multi-institutional retrospective analysis comprised 3424 patients with localized prostate cancer at 16 Asian hospitals. One-thirds (27.7%) of patients received only neoadjuvant ADT, whereas almost half (49.5%) of patients received both neoadjuvant and adjuvant ADT...
February 17, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28222692/hashimoto-s-encephalitis-associated-with-ampar2-antibodies-a-case-report
#10
Mingqin Zhu, Xuefan Yu, Caiyun Liu, Chenchen Duan, Chunxiao Li, Jie Zhu, Ying Zhang
BACKGROUND: Hashimoto's encephalitis (HE) is a rare neurological complication of Hashimoto's thyroiditis (HT), while limbic encephalitis (LE) is an autoimmune inflammatory disorder frequently associated with anti-neuronal antibodies. The glutamate receptor α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid receptor (AMPAR) is important for synaptic transmission, memory, and learning. The etiology of HE remains unclear. We present a case of HE with antibodies to AMPAR2 both in the serum and cerebrospinal fluid...
February 21, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28221763/inactivation-clearance-and-functional-effects-of-lung-instilled-short-and-long-silver-nanowires-in-rats
#11
Kian Fan Chung, Joanna Seiffert, Shu Chen, Ioannis G Theodorou, Angela Erin Goode, Bey Fen Leo, Catriona M McGilvery, Farhana Hussain, Coen Wiegman, Christos Rossios, Jie Zhu, Jicheng Gong, Farid Tariq, Vladimir Yufit, Alexander J Monteith, Teruo Hashimoto, Jeremy N Skepper, Mary P Ryan, Junfeng Jim Zhang, Teresa D Tetley, Alexandra E Porter
There is a potential for silver nanowires (AgNWs) to be inhaled but there is little information on their health effects and their chemical transformation inside the lungs in vivo. We studied the effects of short (S-AgNWs; 1.5µm) and long (L-AgNWs; 10 µm) nanowires instilled into the lungs of Sprague-Dawley rats. S- and L-AgNWs were phagocytosed and degraded by macrophages; there was no frustrated phagocytosis. Interestingly, both AgNWs were internalized in alveolar Type II epithelial cells (ATII), with precipitation of Ag2S on their surface as secondary Ag2S nanoparticles...
February 21, 2017: ACS Nano
https://www.readbyqxmd.com/read/28220365/binding-of-11-c-pittsburgh-compound-b-correlated-with-white-matter-injury-in-hypertensive-small-vessel-disease
#12
Tetsuya Hashimoto, Chiaki Yokota, Kazuhiro Koshino, Takashi Temma, Makoto Yamazaki, Satoshi Iguchi, Ryo Shimomura, Toshiyuki Uehara, Naoko Funatsu, Tenyu Hino, Kazuo Minematsu, Hidehiro Iida, Kazunori Toyoda
OBJECTIVE: (11)C-Pittsburgh compound-B ((11)C-PIB) positron emission tomography (PET) is used to visualize and quantify amyloid deposition in the brain cortex in pathological conditions such as Alzheimer's disease (AD). Intense (11)C-PIB retention is also observed in the white matter (WM) of both healthy individuals and AD patients. However, the clinical implications of this retention in brain WM have not been clarified. We investigated the relationship between the extent of white matter lesions (WMLs) and the binding potential of (11)C-PIB (BPND) in the WM in patients with hypertensive small vessel disease...
February 20, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28218466/bullous-pemphigoid-arising-in-a-patient-with-acquired-perforating-dermatosis
#13
S Tani, N Ishii, T Hashimoto, K Tsujioka
A middle-aged Japanese man who had been on haemodialysis treatment for diabetic nephropathy developed multiple itchy papules and nodules, which were histopathologically diagnosed as acquired perforating dermatosis. Two years later he developed oral lesions and subsequently numerous erosive plaques with necrotic crusts on the trunk and extremities. Histopathology of a papule showed a parakeratotic plug intermingled with basophilic, necrotic debris and collagen bundles, along with penetration of collagen bundles across the epidermis and subepidermal blister...
February 20, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28217937/evidence-for-the-association-of-hashimoto-s-thyroiditis-with-psoriasis-a-cross-sectional-retrospective-study
#14
Tina Kiguradze, Finola M Bruins, Nicholas Guido, Tanya Bhattacharya, Alfred Rademaker, Aleksandra G Florek, Alba Posligua, Shatil Amin, Anne E Laumann, Dennis P West, Beatrice Nardone
BACKGROUND: Current information indicates that psoriasis is a metabolic disorder with systemic manifestations. Reports have revealed an association between psoriasis and several chronic autoimmune disorders. For one of these disorders, Hashimoto's thyroiditis (HT), there are scarce, and relatively unconfirmed, reports of an association with psoriasis. We sought to determine if such an association is detectable in a large medical record data repository. METHODS: We searched one institution's electronic medical record data repository from January 2010 to December 2013...
February 19, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28217215/the-bone-regeneration-using-bone-marrow-stromal-cells-with-moderate-concentration-platelet-rich-plasma-in-femoral-segmental-defect-of-rats
#15
Junichi Yamakawa, Junichi Hashimoto, Mitsuo Takano, Michiaki Takagi
BACKGROUND: Platelet-rich plasma (PRP) can provide an assortment of growth factors, but how PRP effects bone regeneration is still unknown. The aim of the study was to explore an optimal method of using PRP and bone marrow stromal cells (BMSCs). METHODS: An in vitro experiment was first conducted to determine an appropriate quantity of PRP. BMSCs were cultured with PRP of different concentrations to assess cell proliferation and osteogenic differentiation. Following the in vitro study, a rat femoral segmental defect model was used...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28216521/technique-and-theory-of-hollow-fiber-phantom-for-cerebral-ct-perfusion
#16
Eiji Okaniwa, Hiroyuki Hashimoto, Kazufumi Suzuki, Hiroshi Iimura, Shingo Suzaki, Kayoko Abe, Mituhiro Ejima, Shuji Sakai
We developed a phantom using a hollow-fiber hemodialyzer to evaluate the quantitative reliability of cerebral computed tomography (CT) perfusion. Our phantom consisted of a hollow-fiber hemodialyzer and a syringe-shaped X-ray device made up of resin. The phantom can give theoretical true values for cerebral blood volume, cerebral blood flow, and mean transit time. We compared the values measured in the phantom with predicted theoretical values. The purpose of the current report is to describe the theory and experimental technique used to obtain an absolute value in a phantom...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28216511/global-kinetoplastea-phylogeny-inferred-from-a-large-scale-multigene-alignment-including-parasitic-species-for-better-understanding-transitions-from-a-free-living-to-a-parasitic-lifestyle
#17
Euki Yazaki, Sohta A Ishikawa, Keitaro Kume, Akira Kumagai, Takashi Kamaishi, Goro Tanifuji, Tetsuo Hashimoto, Yuji Inagaki
All members of the order Trypanosomatida known to date are parasites that are most likely descendants of a free-living ancestor. Trypanosomatids are an excellent model to assess the transition from a free-living to a parasitic lifestyle, because a large amount of experimental data has been accumulated for well-studied members that are harmful to humans and livestock (Trypanosoma spp. and Leishmania spp.). However, recent advances in our understanding of the diversity of trypanosomatids and their close relatives (i...
February 20, 2017: Genes & Genetic Systems
https://www.readbyqxmd.com/read/28214950/surgery-for-metastatic-tumors-of-the-pancreas
#18
Taisuke Yagi, Daisuke Hashimoto, Katsunobu Taki, Kensuke Yamamura, Akira Chikamoto, Masaki Ohmuraya, Toru Beppu, Hideo Baba
Metastatic lesion of the pancreas originated from other organs is uncommon. The aim of this report was to evaluate the outcome of surgery in patients with isolated metastases to the pancreas. Nine patients underwent pancreatic resection for metastatic malignant disease from 2000 to 2015 at the Department of Gastroenterological Surgery of the Kumamoto University Hospital. The primary lesion was renal cell carcinoma in 7 cases, colon cancer in 1 and malignant melanoma in 1. The median interval from the initial operation to pancreatic resection was 138 months...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28214214/diagnostic-utility-of-ck19-and-cd56-in-the-differentiation-of-thyroid-papillary-carcinoma-from-its-mimics
#19
Nehal S Abouhashem, Suzan M Talaat
BACKGROUND: Papillary Thyroid Carcinoma (PTC) is the most common type of malignant thyroid tumors. The main diagnostic clue of PTC is the presence of its characteristic nuclear features. Yet, the focal presence of these features in other thyroid lesions causes a diagnostic dilemma. AIM: To evaluate Cytokeratin 19 (CK19) and CD56 immunostains as useful diagnostic markers in distinguishing papillary thyroid carcinoma from other mimicking thyroid lesions. METHODS: Eighty cases of different thyroid lesions were submitted for immunohistochemical staining of CK19 and CD56...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213801/efficacy-of-a-neoadjuvant-gonadotropin-releasing-hormone-antagonist-plus-low-dose-estramustine-phosphate-in-high-risk-prostate-cancer-a-single-center-study
#20
Kazuhisa Hagiwara, Takuya Koie, Chikara Ohyama, Hayato Yamamoto, Atsushi Imai, Shingo Hatakeyama, Takahiro Yoneyama, Yasuhiro Hashimoto, Yuki Tobisawa, Tohru Yoneyama
PURPOSE: The optimal treatment for high-risk prostate cancer (Pca) remains to be established. We previously reported favorable biochemical recurrence-free survival (BRFS) for high-risk Pca patients treated with neoadjuvant therapy comprising a luteinizing hormone-releasing hormone agonist plus low-dose estramustine (LHRH + EMP) prior to radical prostatectomy (RP). In the present study, we evaluated the efficacy of neoadjuvant therapy comprising a gonadotropin-releasing hormone antagonist plus low-dose estramustine phosphate (GnRH + EMP) in patients with high-risk Pca...
February 17, 2017: International Urology and Nephrology
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