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https://www.readbyqxmd.com/read/29667636/-the-distribution-of-2-dimethylamino-ethyl-1-hydroxycyclopentyl-phenyl-acetate-in-the-organism-of-the-warm-blooded-animals-after-its-intra-gastric-administration
#1
V K Shormanov, M F Pravdyuk, V Yu Kuzovlev, N V Shabunina
The objective of the present study was to elucidate the distribution of 2-(dimethylamino)ethyl-(1-hydroxycyclopentyl)(phenyl)acetate in the organism of the warm-blooded animals after its intra-gastric administration. The methods applied in the study included thin layer chromatography in silicagel, aci-nitroprosalt staining reaction, UV-spectrophotometry,, and GC-mass spectrometry. The identification and the quantitation of 2-(dimethylamino)ethyl-(1-hydroxycyclopentyl)(phenyl)acetate in the organs and blood of the warm-blooded animals were carried out within 20, 150, and 360 min after a single intra-gastric administration of 1300 ml of this poisonous substance...
2018: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/29666412/extensive-t-cell-cross-reactivity-between-diverse-seasonal-influenza-strains-in-the-ferret-model
#2
Adrian J Reber, Nedzad Music, Jin Hyang Kim, Shane Gansebom, Jufu Chen, Ian York
Influenza virus causes widespread, yearly epidemics by accumulating surface protein mutations to escape neutralizing antibodies established from prior exposure. In contrast to antibody epitopes, T cell mediated immunity targets influenza epitopes that are more highly conserved and have potential for cross-protection. The extent of T cell cross-reactivity between a diverse array of contemporary and historical influenza strains was investigated in ferrets challenged with 2009 pandemic H1N1 influenza or the seasonal H3N2 strain, A/Perth/16/2009...
April 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29666403/intact-interleukin-10-receptor-signaling-protects-from-hippocampal-damage-elicited-by-experimental-neurotropic-virus-infection-of-sjl-mice
#3
Ann-Kathrin Uhde, Malgorzata Ciurkiewicz, Vanessa Herder, Muhammad Akram Khan, Niko Hensel, Peter Claus, Michael Beckstette, René Teich, Stefan Floess, Wolfgang Baumgärtner, Klaus Jung, Jochen Huehn, Andreas Beineke
Theiler's murine encephalomyelitis virus (TMEV) infection represents an experimental mouse model to study hippocampal damage induced by neurotropic viruses. IL-10 is a pleiotropic cytokine with profound anti-inflammatory properties, which critically controls immune homeostasis. In order to analyze IL-10R signaling following virus-induced polioencephalitis, SJL mice were intracerebrally infected with TMEV. RNA-based next generation sequencing revealed an up-regulation of Il10, Il10rα and further genes involved in IL-10 downstream signaling, including Jak1, Socs3 and Stat3 in the brain upon infection...
April 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29666112/increased-erythrophagocytosis-induces-ferroptosis-in-red-pulp-macrophages-in-a-mouse-model-of-transfusion
#4
Lyla A Youssef, Abdelhadi Rebbaa, Sergey Pampou, Stuart P Weisberg, Brent R Stockwell, Eldad A Hod, Steven L Spitalnik
Macrophages play important roles in recycling iron derived from the clearance of red blood cells (RBCs). They are also a critically important component of host defense, protecting against invading pathogens. However, the effects on macrophage biology of acutely ingesting large numbers of RBCs are not completely understood. To investigate this issue, we used a mouse model of RBC transfusion and clearance, which mimics the clinical setting. In this model, transfusions of refrigerator storage-damaged (i.e., "old") RBCs led to increased erythrophagocytosis by splenic red pulp macrophages (RPMs)...
April 17, 2018: Blood
https://www.readbyqxmd.com/read/29665932/-blocking-two-signals-of-immuno-activated-t-cells-from-antigen-presenting-cells-can-prevent-chronic-gvhd-of-murine
#5
Yuan-Bin Wu, Kun-Yuan Guo, Guo-Zheng Wang, Xi-Ping Dai
OBJECTIVE: To explore the effects of blocking TCR-CD3 and B7-CD28 signals on immune function of mice with chronic GVHD by using TJU103 and CTLA4-Ig. METHODS: On the basis of foregoing murine model of chronic GVHD, according to interference modes after infusion 6×107 spleen cells of donor mice, the recipients were divided into 5 groups: blank control, cGVHD, TJU103 interference, CTLA4-Ig interference and TJU103+CTLA4-Ig interference groups. The score of clinical manifestation and tissue histopathology were used to evaluate the effects of all the interferences on chronic GVHD...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29665925/-expression-of-hmgb1-in-spleen-of-adult-patients-with-chronic-and-refractory-immune-thrombocytopenia-and-its-significance
#6
Peng-Feng Yang, Guo-Yang Zhang, Hong-Yun Liu, Shuang-Feng Xie, Xiu-Ju Wang, Xiao-Yan Liu, Jue Wang, Xin-Yuan Chen, Shuo Yang, Li-Ping Ma
OBJECTIVE: To investigate the expression and clinical significance of high mobility group box 1(HMGB1) in spleen of adult patients with chronic and refractory immune thrombocytopenia(ITP). METHODS: Twenty chronic and refactory ITP patients received splenectomy were enrolled in ITP group and 20 cases of traumatic spleen rupture were enrolled in control group. The splenectomy efficacy in ITP patients was analyzed retrospectively. The HMGB1 expression in spleen tissue was detected by immunohistochemistry, and the correlation between different expression levels of HMGB1 and splenectomy efficacy were analysed...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29665769/sublethal-chronic-effects-of-oral-dietary-exposure-to-deltamethrin-in-swiss-albino-mice
#7
Anita Tewari, R S Banga, Jps Gill
The hazards of dietary exposure to environmentally relevant levels of deltamethrin are poorly understood though studies enunciate the acute toxicity hazards. In this study, prolonged exposure to low levels of deltamethrin in mice was investigated. The mice were exposed daily via gavage method for 60 days. Four doses (0.1, 0.05, 0.01, and 0.005 mg/kg bwt/d) were selected, which are equal to or less than the maximum residue limits for deltamethrin permitted in animal food/feed. Liver, kidney, lungs, spleen, and testes were collected on day 61 for histology, residue, and biochemical analysis (aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALKP), total bilirubin (TBIL), total proteins (TPs), cholesterol (CHOL), urea, and creatinine)...
January 1, 2018: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/29665658/effect-of-the-anti-il-17-antibody-on-allergic-inflammation-in-an-obesity-related-asthma-model
#8
Lin Liang, Jung Hur, Ji Young Kang, Chin Kook Rhee, Young Kyoon Kim, Sook Young Lee
Background/Aims: The co-occurrence of obesity aggravates asthma symptoms. Diet-induced obesity increases helper T cell (TH) 17 cell differentiation in adipose tissue and the spleen. The 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitor pravastatin can potentially be used to treat asthma in obese patients by inhibiting interleukin 17 (IL-17) expression. This study investigated the combined effects of pravastatin and anti-IL-17 antibody treatment on allergic inflammation in a mouse model of obesity-related asthma...
April 19, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29665631/primary-colonic-follicular-lymphoma-presenting-as-four-diminutive-sessile-polyps-found-incidentally-during-colonoscopy
#9
Sun Jin, Hyun Seok Lee, Ji Yun Jeong, Young Wook Jo
Follicular lymphomas, which typically arise in the lymph nodes with spleen, liver, and bone marrow involvement, have generally low occurrence rates in Asian countries as compared with Western countries. Follicular lymphomas of the gastrointestinal tract are rare, and primary colonic follicular lymphomas are particularly rare compared with others found in the small intestine and duodenum. Colonoscopic imaging of colonic lymphomas, including follicular lymphoma, may reveal mucosal ulcerations, erosions, indurations, polypoid mass-like lesions, and diffuse mucosal nodularity...
April 18, 2018: Clinical Endoscopy
https://www.readbyqxmd.com/read/29665497/the-effects-of-resiquimod-in-an-ovalbumin-induced-allergic-rhinitis-model
#10
Shenhong Qu, Taijie Qin, Min Li, Shaojie Zhang, Linsong Ye, Jiazhang Wei, Hua Fan, Baiwen Chen
Growing evidence indicates that the Toll-like receptor7/8(TLR7/8) agonist resiquimod (R848) is a potential inhibitor of type-2 immunity. However, the mechanisms mediating its therapeutic effects are not fully understood. This study investigated the effects of R848 on OVA-induced allergic rhinitis(AR) mice and the expression of IL-25, IL-33, TSLP, T-cell immunoglobulin mucin1 (TIM1) and T-cell immunoglobulin mucin3 (TIM3). BALB/c mice were intranasally sensitized and challenged with ovalbumin (OVA), and R848 was intraperitoneally injected into AR mice...
April 14, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29665434/differential-growth-of-mycobacterium-leprae-strains-snp-genotypes-in-armadillos
#11
Rahul Sharma, Pushpendra Singh, Maria Pena, Ramesh Subramanian, Vladmir Chouljenko, Joohyun Kim, Nayong Kim, John Caskey, Marie A Baudena, Linda B Adams, Richard W Truman
Leprosy (Hansen's Disease) has occurred throughout human history, and persists today at a low prevalence in most populations. Caused by Mycobacterium leprae, the infection primarily involves the skin, mucosa and peripheral nerves. The susceptible host range for Mycobacterium leprae is quite narrow. Besides humans, nine banded armadillos (Dasypus novemcinctus) and red squirrels (Sciurus vulgaris) are the only other natural hosts for M. leprae, but only armadillos recapitulate the disease as seen in humans. Armadillos across the Southern United States harbor a single predominant genotypic strain (SNP Type-3I) of M...
April 14, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29665238/cp-25-alleviates-experimental-sj%C3%A3-gren-s-syndrome-features-in-nod-ltj-mice-and-modulates-t-lymphocyte-subsets
#12
Fang Gu, Shixia Xu, Pengying Zhang, Xiaoyun Chen, Yujing Wu, Chun Wang, Mei Gao, Min Si, Xinming Wang, Korner Heinrich, Huaxun Wu, Wei Wei
Primary Sjögren's syndrome (pSS) is a chronic inflammatory autoimmune illness of the moisture-producing glands such as salivary glands that is characterized by various immune abnormalities. The aetiology of pSS remains unclear and there is no curative agent. In this study, we investigated the putative therapeutic effects on a NOD/Ltj mouse model of Sjögren's syndrome-like disorders of an ester derivative of paeoniflorin, Paeoniflorin-6'O-benzene (termed CP-25). Our study showed that CP-25 alleviated effectively clinical manifestations in NOD/Ltj mice resulting for example in increased salivary flow and reduced histopathological scores...
April 17, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29665031/mortality-following-surgery-for-trauma-in-an-indian-trauma-cohort
#13
M Mansourati, V Kumar, M Khajanchi, M L Saha, S Dharap, R Seger, M Gerdin Wärnberg
BACKGROUND: India accounts for 20 per cent of worldwide trauma mortality. Little is known about the quality of trauma surgery in an Indian setting. The aim of this study was to estimate the overall perioperative mortality rate, and to assess the association between type of acute surgical intervention and perioperative mortality among adult patients treated for trauma in an urban Indian setting. METHODS: Data were obtained from injured adult patients enrolled in four urban Indian hospitals during 2013-2015...
April 17, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29664715/late-infection-related-mortality-in-asplenic-survivors-of-childhood-cancer-a-report-from-the-childhood-cancer-survivor-study
#14
Brent R Weil, Arin L Madenci, Qi Liu, Rebecca M Howell, Todd M Gibson, Yutaka Yasui, Joseph P Neglia, Wendy M Leisenring, Susan A Smith, Emily S Tonorezos, Danielle N Friedman, Louis S Constine, Christopher L Tinkle, Lisa R Diller, Gregory T Armstrong, Kevin C Oeffinger, Christopher B Weldon
Purpose Infection-related outcomes associated with asplenia or impaired splenic function in survivors of childhood cancer remains understudied. Methods Late infection-related mortality was evaluated in 20,026 5-year survivors of childhood cancer (diagnosed < 21 years of age from 1970 to 1999; median age at diagnosis, 7.0 years [range, 0 to 20 years]; median follow-up, 26 years [range, 5 to 44 years]) using cumulative incidence and piecewise-exponential regression models to estimate adjusted relative rates (RRs)...
April 17, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29664675/knockout-of-glucose-transporter-glut6-has-minimal-effects-on-whole-body-metabolic-physiology-in-mice
#15
Frances L Byrne, Ellen M Olzomer, Robert Brink, Kyle L Hoehn
Glucose transporter 6 (GLUT6) is a member of the facilitative glucose transporter family. GLUT6 is up-regulated in several cancers, but is not widely expressed in normal tissues. Previous studies have shown that GLUT6 knockdown kills endometrial cancer cells that express elevated levels of the protein. However, whether GLUT6 represents a viable anti-cancer drug target is unclear because the role of GLUT6 in normal metabolic physiology is unknown. Herein we generated GLUT6 knockout mice to determine how loss of GLUT6 affected whole body glucose homeostasis and metabolic physiology...
April 17, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29664562/stromal-cell-networks-coordinate-immune-response-generation-and-maintenance
#16
REVIEW
Yannick O Alexandre, Scott N Mueller
Secondary lymphoid organs (SLO), including the spleen and lymph nodes (LN) are a meeting place for immune cells to initiate adaptive immune responses. Lymphocytes constantly circulate between SLO through the blood and lymph in search of their cognate antigen and are activated within the organized microarchitecture of SLO. Lymphoid stromal cells (LSC) of mesenchymal and endothelial origin construct and support the microarchitecture of SLO by defining distinct compartments and providing signals that can either promote or inhibit immune responses...
May 2018: Immunological Reviews
https://www.readbyqxmd.com/read/29663929/generation-of-a-graft-versus-anticancer-immune-response-through-skin-allograft-with-tumor
#17
Yuan Fang, Sufang Zhou, Baoshi Zheng, Wenlin Gong, Yong Huang, Zhenghua Zhang, Chaofan Zhou, Huiling Wang, Zhimei Huang, Liping Zhong, Yongxiang Zhao
Effector memory T cells (TEM) are a subset of memory T cells which play an important role in stimulation of adaptive immunity. Although they are associated with multiple immune responses, the antitumor effect of TEM is not clearly understood. In this research, generation of anti-tumor TEM was induced through skin allografts in C57BL/6 mice with B16 melanoma. We observed that the growth of tumor tissues in C57BL/6 mice treated with allografts was interrupted. Furthermore, the survival time for the treated mice was prolonged along with increased serum levels for CXCL9, CXCL10 and INF-γ...
March 1, 2018: Journal of Biomedical Nanotechnology
https://www.readbyqxmd.com/read/29662860/splenic-myeloid-metaplasia-in-warm-autoimmune-hemolytic-anemia-waiha-a-retrospective-study
#18
Víctor Manuel Anguiano-Álvarez, Alonso Hernández-Company, Nashla Hamdan-Pérez, Daniel Montante-M, Diego A Zúñiga-Tamayo, Sergio Rodríguez-Rodríguez, Alan Pomerantz, Elena J Tuna-Aguilar
Background: Splenic myeloid metaplasia (SMM) is a kind of extramedullary hematopoiesis, whereas its clinical significance in wAIHA remains unclear. The aim of this study is evaluating the frequency and clinical characteristics of SMM, compared with splenic-congestion (SC). Methods: We included patients with wAIHA treated in a Mexican tertiary hospital between January 1992 and December 2015. All patients received steroids as first-line treatment and splenectomy as second-line treatment...
March 2018: Blood Research
https://www.readbyqxmd.com/read/29662563/-123-i-labeled-oxldl-is-widely-distributed-throughout-the-whole-body-in-mice
#19
Atushi Nakano, Hidekazu Kawashima, Yoshinori Miyake, Tsutomu Zeniya, Akihide Yamamoto, Kazuhiro Koshino, Takashi Temma, Tetsuya Fukuda, Yoshiko Fujita, Akemi Kakino, Shigehiko Kanaya, Tatsuya Sawamura, Hidehiro Iida
Purpose: Oxidized low-density lipoprotein (oxLDL) plays a key role in endothelial dysfunction, vascular inflammation, and atherogenesis. The aim of this study was to assess blood clearance and in vivo kinetics of radiolabeled oxLDL in mice. Methods: We synthesized 123 I-oxLDL by the iodine monochloride method, and performed an uptake study in CHO cells transfected with lectin-like oxLDL receptor-1 (LOX-1). In addition, we evaluated the consistency between the 123 I-oxLDL autoradiogram and the fluorescence image of DiI-oxLDL after intravenous injection for both spleen and liver...
April 2018: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29662488/subretinal-injection-of-hy-peptides-induces-systemic-antigen-specific-inhibition-of-effector-cd4-and-cd8-t-cell-responses
#20
Julie Vendomèle, Safa Dehmani, Quentin Khebizi, Anne Galy, Sylvain Fisson
Purpose: Injection of an antigen into the anterior chamber of the eye induces a peripheral antigen-specific immune modulation mechanism, known as anterior chamber-associated immune deviation (ACAID). Delayed-type hypersensitivity experiments argue that the subretinal space (SR) of the eye displays properties similar to ACAID. However, no investigation was performed regarding the differential impact of a subretinal antigen injection on peripheral CD4+ versus CD8+ T cells, on the potential immune deviation regarding Th profiles, and on the antigen-specificity of the inhibition...
2018: Frontiers in Immunology
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