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https://www.readbyqxmd.com/read/29031241/citrus-pectin-attenuates-endotoxin-shock-via-suppression-of-toll-like-receptor-signaling-in-peyer-s-patch-myeloid-cells
#1
Keita Ishisono, Tomio Yabe, Kohji Kitaguchi
Pectin, a water-soluble dietary fiber, has been found to improve survival in endotoxin shock. However, the underlying mechanism by which pectin exerts its protective effect against endotoxin shock remains unknown. Apart from its prebiotic effects, it has been suggested that pectin directly affects immune cells to regulate inflammatory responses. In this study, we investigated the direct effect of pectin in murine model of endotoxin shock. Citrus pectin solution was administered to male C57BL/6 mice for 10 days...
August 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29031229/-99m-tc-duramycin-for-cell-death-imaging-impact-of-kit-formulation-purification-and-species-difference
#2
Luca Palmieri, Filipe Elvas, Christel Vangestel, Koon Pak, Brian Gray, Sigrid Stroobants, Steven Staelens, Leonie Wyffels
INTRODUCTION: [(99m)Tc]duramycin is a SPECT tracer for cell death imaging. We evaluated the impact of kit formulation, purification and species difference on the pharmacokinetic profile and cell death targeting properties of [(99m)Tc]duramycin in order to define the optimal conditions for (pre-)clinical use. METHODS: Three kits were prepared (A: traditional formulation, B: containing 1/3 of ingredients, C: containing HYNIC-PEG12-duramycin). Following labeling, the kits were used without purification, or with SPE or HPLC purification...
September 14, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/29031205/protective-effect-of-%C3%AE-lipoic-acid-against-spleen-toxicity-of-dimethylnitrosamine-in-male-mice-antioxidant-and-ultrastructure-approaches
#3
Nahla S El-Shenawy, Reham Z Hamza, Howayda E Khaled
The α-lipoic acid is a soft material and useful for the potential biomedical applications. The study was aimed to assess the potency of α-lipoic acid (ALA) against the toxicity of dimethylnitrosamine (DMN) on spleen of mice by assessing the antioxidants, histopathological and ultrastructure changes. The experiment was achieved on six groups of male mice as following; groups 1, 2, 3, and 4 were served as a control, ALA groups, low dose of DMN (DMN-LD; 2mgkg(-1)) and high dose of DMN (DMN-HD; 4mgkg(-1)). Group 5 was received DMN-LD plus ALA and group 6 was given DMN-HD plus ALA...
October 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29031145/small-molecule-mediated-upregulation-of-ccr7-ameliorates-murine-experimental-autoimmune-encephalomyelitis-by-accelerating-t-cell-homing
#4
Xin Li, Tingting Lu, Wenwen Xue, Yixuan Wang, Qiong Luo, Huiming Ge, Renxiang Tan, Yan Shen, Qiang Xu
Impairing the infiltration of immune cells into the CNS is a promising target for suppressing the development of multiple sclerosis (MS) and its animal model experimental autoimmune encephalomyelitis (EAE). Here, we found that oral administration of a synthetic small molecular compound Fc24 showed potential preventive effects on the development of EAE, including the reduction in EAE severity and a delay in the onset of the disease. Fc24 facilitated the accumulation of both CD4(+) and CD8(+) T cells within spleen and lymph nodes, while having no effect on MOG-specific T cell responses...
October 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29029358/topographical-variations-between-splenic-flexure-and-spleen-a-study-with-ct-image-based-reconstruction
#5
Matteo Lavazza, Stefano Rausei, Vincenzo Pappalardo, Davide Inversini, Monica Mangini, Anna Maria Ierardi, Angkoon Anuwong, Hoon Yub Kim, Gianpaolo Carrafiello, Gianlorenzo Dionigi
INTRODUCTION: An issue that is seldom seen in the literature relates the detailed relationship of the splenic flexure (SF) and the spleen-both carefully examined-with a prospective approach in patients undergoing computer tomography (CT) scan. MATERIALS AND METHODS: SF localization has been searched and examined in 120 consecutive CT scans. Several different variables (age, gender, BMI, indication of CT scan, etc.) have been considered. In cooperation with the Radiology Division, we brought to completion a dedicated topographic outline, with the purpose of providing a detailed classification for SF localization...
October 12, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29027697/development-and-validation-of-a-reverse-transcription-quantitative-polymerase-chain-reaction-for-tilapia-lake-virus-detection-in-clinical-samples-and-experimentally-challenged-fish
#6
P Tattiyapong, K Sirikanchana, W Surachetpong
Tilapia lake virus (TiLV) is an emerging pathogen associated with high mortalities of wild and farm-raised tilapia in different countries. In this study, a SYBR green-based reverse transcription quantitative polymerase chain reaction (RT-qPCR) assay targeting segment three of the virus was developed to detect and quantify TiLV in clinical samples and experimentally challenged fish. All 30 field samples with clinical signs and history consistent with TiLV infection were positive for TiLV as detected by the developed RT-qPCR method...
October 13, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/29027436/-protective-effect-of-earthworm-active-ingredients-against-endoplasmic-reticulum-stress-induced-acute-liver-injury-in-mice
#7
Ya-Fei Zhao, Yang Gao, Xin-Fang Wu, Jian-Gang Wang, Leng-Xin Duan
To study the protective effect of earthworm active ingredients(EWAs) against endoplasmic reticulum stress(ERS)-induced acute liver injury in mice. The model of liver injury was induced through intraperitoneal injection of 10%CCl4. Serum glutamic-pyruvic transaminase(ALT), glutamic-oxaloacetic transaminase(AST), superoxide dismutase(SOD) and glutathione peroxidase(GSH-PX) activity and malondialdehyde(MDA) concentration were detected by colorimetric method. Histological examination was performed through hematoxylin-eosin staining and light microscopy, and apoptosis was detected using terminal transferase dUTP nick end labeling...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29027370/molecular-detection-of-hepatitis-e-virus-in-wild-boar-population-in-eastern-romania
#8
D Porea, A Anita, A Demange, C Raileanu, L Oslobanu Ludu, D Anita, G Savuta, N Pavio
In industrialized countries, Hepatitis E is a recognized zoonosis, with wild boar and swine representing the main reservoirs for zoonotic genotype HEV-3 in Europe. Data related to HEV infection in wild boar population in Romania are restricted to serological surveys. Therefore, our main goal was to determine the HEV prevalence in wild boar population and to characterize HEV strains circulating in Romania. Using TaqMan real-time RT-PCR assay, we analyzed the presence of RNA HEV in 45 liver samples and five spleen samples collected from 50 wild boars...
October 12, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29027077/optimization-of-dendritic-cell-mediated-cytotoxic-t-cell-activation-by-tracking-of-dendritic-cell-migration-using-reporter-gene-imaging
#9
Hongje Lee, Ho Won Lee, You La Lee, Yong Hyun Jeon, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol Ahn
PURPOSE: The aim of this study is to optimize the dendritic cell (DC)-mediated T-cell activation using reporter gene imaging and flow cytometric analysis in living mice. PROCEDURES: A murine dendritic cell line (DC2.4) co-expressing effluc and Thy1.1 genes were established by transfection with retroviral vectors. Thy1.1 positive cells were sorted by magnetic bead separation system (DC2.4/effluc). Cell proliferation assay and phenotype analysis to determine the effects of gene transduction on the function of dendritic cells between parental DC2...
October 12, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29026518/castleman-s-disease-a-rare-presentation-in-a-retroperitoneal-accessory-spleen-treated-with-a-minimally-invasive-robotic-approach
#10
Fabio Sbrana, Dimin Zhou, Ina Zamfirova, Nathaniel Leonardi
Unicentric Castleman's disease (UCD) is a rare disorder of unknown etiology characterized by localized lymphoid tissue proliferation and interfollicular hypervascularity. A 33-year-old Caucasian female presented with vague abdominal discomfort and pain with pressure. Ultrasound and computed tomography detected a large peripancreatic mass. Robotic-assisted resection of the mass along with en bloc dissection of the encased left adrenal gland was done. Frozen section examination confirmed UCD hyaline vascular variant in a retroperitoneal accessory spleen...
October 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29026475/human-parvovirus-b19-in-children-with-sickle-cell-disease-poking-the-spleen
#11
Ashraf Abdellah Saad, Ismail Beshlawi, Abdul Hakim Al-Rawas, Mathew Zachariah, Hanan Fawzy Nazir, Yasser Wali
Parvovirus is a known culprit of transient red cell aplasia (TRCA) in children with sickle cell disease (SCD). Few reports have previously described the association between the virus and acute splenic sequestration crisis (ASSC) in the same patient. Here, we are shedding light on such a potentially serious combination by reporting two cases of siblings with SCD complicated with concurrent ASSC and TRCA and presenting a review of the relevant literature.
September 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29026104/cetsa-quantitatively-verifies-in-vivo-target-engagement-of-novel-ripk1-inhibitors-in-various-biospecimens
#12
Tsuyoshi Ishii, Takuro Okai, Misa Iwatani-Yoshihara, Manabu Mochizuki, Satoko Unno, Masako Kuno, Masato Yoshikawa, Sachio Shibata, Masanori Nakakariya, Takatoshi Yogo, Tomohiro Kawamoto
The proof of target engagement (TE) is a key element for evaluating potential investment in drug development. The cellular thermal shift assay (CETSA) is expected to facilitate direct measurement of intracellular TE at all stages of drug development. However, there have been no reports of applying this technology to comprehensive animal and clinical studies. This report demonstrates that CETSA can not only quantitatively evaluate the drug-TE in mouse peripheral blood, but also confirm TE in animal tissues exemplified by using the receptor interacting protein 1 kinase (RIPK1) lead compound we have developed...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29025985/safety-biodistribution-and-radiation-dosimetry-of-68-ga-ops202-68-ga-nodaga-jr11-in-patients-with-gastroenteropancreatic-neuroendocrine-tumors-a-prospective-phase-i-imaging-study
#13
Guillaume P Nicolas, Seval Beykan, Hakim Bouterfa, Jens Kaufmann, Andreas Bauman, Michael Lassmann, Jean Claude Reubi, Jean E F Rivier, Helmut R Maecke, Melpomeni Fani, Damian Wild
Preclinical and preliminary clinical evidence indicates that radiolabeled somatostatin receptor (sst) antagonists perform better than agonists in terms of detecting neuroendocrine tumors (NETs). This prospective phase I/II study is the first to evaluate an sst antagonist, (68)Ga-OPS202 ((68)Ga-NODAGA-JR11; NODAGA=1,4,7-triazacyclononane,1-glutaric acid-4,7-acetic acid and JR11=Cpa-c(DCys-Aph(Hor)-DAph(Cbm)-Lys-Thr-Cys)-DTyr-NH2)) for PET imaging. Here, we report results of the phase I component of the study...
October 12, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29025984/synthesis-and-biological-evaluation-of-a-novel-18-f-labeled-adnectin-as-a-pet-radioligand-for-imaging-pd-l1-expression
#14
David J Donnelly, Ralph Adam Smith, Paul Morin, Dasa Lipovsek, Jochem Gokemeijer, Daniel Cohen, Virginie Lafont, Tritin Tran, Erin Lee Cole, Martin Wright, Joonyoung Kim, Adrienne Pena, Daniel Kukral, Douglas D Dischino, Patrick Chow, Jinping Gan, Olufemi Adelakun, Xi-Tao Wang, Kai Cao, David Lueng, Samuel Bonacorsi, Wendy Hayes
The programmed death protein (PD-1) and its ligand (PD-L1) play critical roles in a checkpoint pathway cancer cells exploit to evade the immune system. A same-day PET imaging agent for measuring PD-L1 status in primary and metastatic lesions could be important for optimizing drug therapy. Herein, we have evaluated the tumor targeting of an anti-PD-L1 Adnectin after (18)F-fluorine labeling. Methods: An anti-PD-L1 Adnectin was labeled with (18)F in two steps. This synthesis featured fluorination of a novel prosthetic group, followed by a copper-free click conjugation to a modified Adnectin to generate (18)F-BMS-986192...
October 12, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29025154/hematological-alterations-in-protein-malnutrition
#15
Ed W Santos, Dalila C Oliveira, Graziela B Silva, Maristela Tsujita, Jackeline O Beltran, Araceli Hastreiter, Ricardo A Fock, Primavera Borelli
Protein malnutrition is one of the most serious nutritional problems worldwide, affecting 794 million people and costing up to $3.5 trillion annually in the global economy. Protein malnutrition primarily affects children, the elderly, and hospitalized patients. Different degrees of protein deficiency lead to a broad spectrum of signs and symptoms of protein malnutrition, especially in organs in which the hematopoietic system is characterized by a high rate of protein turnover and, consequently, a high rate of protein renewal and cellular proliferation...
September 6, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29024842/peritoneal-carcinomatosis-like-implants-of-extramedullary-hematopoiesis-an-insolite-occurrence-during-splenectomy-for-myelofibrosis
#16
Marco Casaccia, Rosario Fornaro, Marco Frascio, Denise Palombo, Cesare Stabilini, Emma Firpo, Ezio Gianetta
INTRODUCTION: Primary myelofibrosis (MF) is a myeloproliferative neoplasm that results in debilitating constitutional symptoms, splenomegaly, and cytopenias. In patients with symptomatic splenomegaly, splenectomy remains a viable treatment option for MF patients with medically refractory symptomatic splenomegaly that precludes the use of ruxolitinib. CASE PRESENTATION: We present the clinical case of a patient who was admitted to our Department to perform a splenectomy in MF as a therapeutic step prior to an allogeneic stem cell transplantation (ASCT)...
October 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29024432/littoral-cell-angioma-of-spleen
#17
Van Truong, Robert Finch, Benjamin Martin, Kate Buzacott, Mahendra Singh, Bhavik Patel
No abstract text is available yet for this article.
October 11, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29024228/de-novo-hepatocellular-carcinoma-post-multivisceral-transplantation-in-a-child
#18
P Tran, S Zhou, L Wang, M Finegold, L Mascarenas, S Alexopolous, Y Genyk, N Kerkar
De novo hepatocellular carcinoma (HCC) post-transplantation in patients without viral hepatitis is extremely rare, with only three reported adult cases in the English literature. Here, we present a case of de novo HCC that developed in a 7-year-old female, who at 8 months of age received a liver, small bowel, spleen, and pancreas transplantation 6.5 years ago for gastroschisis and total parenteral nutrition (TPN)-related cirrhosis. The post-transplant course was complicated by Epstein-Barr virus (EBV) infection, post-transplant lymphoproliferative disease, and subsequent development of multifocal EBV-associated post-transplant smooth muscle tumors (EBV-PTSMT) in the small bowel 1 year and 10 months after transplantation, respectively...
November 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/29024091/protective-effect-of-cinnamic-acid-in-endotoxin-poisoned-mice
#19
Feng Xu, Feng Wang, Taoqun Wen, Wentao Sang, Xinyu He, Ling Li, Nan Zeng
In this work, we aimed to evaluate the protective effect of cinnamic acid (CD) on lipopolysaccharide (LPS; Escherichia coli 055:B5)-induced endotoxin-poisoned mice and clarify the underlying mechanisms. The mice were administrated CD 5 d before 15 mg/kg LPS challenge. 12 hr later, thymus was separated for determination of thymus indexes. Lung and spleen tissues were collected for histologic examination and the wet/dry weight ratio of lung was calculated, and serum was acquired for tumor necrosis factor-α (TNF-α), interleukin (IL)-18, and IL-1β measurement...
October 11, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29024033/impact-of-x-irradiation-on-microglia
#20
Franziska Menzel, Nicole Kaiser, Susann Haehnel, Felicitas Rapp, Ina Patties, Nina Schöneberg, Zhana Haimon, Kerstin Immig, Ingo Bechmann
Irradiation is widely used to treat brain tumors, and also to create bone marrow (BM) chimeras. BM chimeras are widely used to dissect functions and origin of microglia and blood-derived mononuclear cells under homeostatic or pathological conditions. This is facilitated by the fact that microglia survive irradiation and are thus regarded radio-resistant. In this study, we tested whether microglia are indeed radio-resistant and looked for potential mechanisms that might explain this phenomenon. We analyzed the radio-resistance of microglia independently of their physiological brain environment compared to other mononuclear cells from spleen and brain after X-irradiation with 7 Gy or 30 Gy...
October 10, 2017: Glia
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