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https://www.readbyqxmd.com/read/29231883/silver-nanoparticles-in-the-lung-toxic-effects-and-focal-accumulation-of-silver-in-remote-organs
#1
Martin Wiemann, Antje Vennemann, Franziska Blaske, Michael Sperling, Uwe Karst
The distribution of silver (Ag) into remote organs secondary to the application of Ag nanoparticles (Ag-NP) to the lung is still incompletely understood and was investigated in the rat with imaging methods. Dose-finding experiments were carried out with 50 nm- or 200 nm-sized polyvinyl pyrrolidine (PVP)-coated Ag-NP using alveolar macrophages in vitro and female rats, which received Ag-NP via intratracheal instillation. In the main study, we administered 37.5-300 µg per rat lung of the more toxic Ag50-PVP and assessed the broncho-alveolar lavage fluid (BALF) for inflammatory cells, total protein and fibronectin after three and 21 days...
December 12, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29225625/review-of-routine-laboratory-monitoring-for-patients-with-rheumatoid-arthritis-receiving-biologic-or-nonbiologic-dmards
#2
REVIEW
William F C Rigby, Kathy Lampl, Jason M Low, Daniel E Furst
Safety concerns associated with many drugs indicated for the treatment of rheumatoid arthritis (RA) can be attenuated by the early identification of toxicity through routine laboratory monitoring; however, a comprehensive review of the recommended monitoring guidelines for the different available RA therapies is currently unavailable. The aim of this review is to summarize the current guidelines for laboratory monitoring in patients with RA and to provide an overview of the laboratory abnormality profiles associated with each drug indicated for RA...
2017: International Journal of Rheumatology
https://www.readbyqxmd.com/read/29222479/gdf15-deficiency-exacerbates-chronic-alcohol-and-carbon-tetrachloride-induced-liver-injury
#3
Hyo Kyun Chung, Jung Tae Kim, Hyeon-Woo Kim, Minjoo Kwon, So Yeon Kim, Minho Shong, Koon Soon Kim, Hyon-Seung Yi
Growth differentiation factor 15 (GDF15) has recently been shown to have an important role in the regulation of mitochondrial function and in the pathogenesis of complex human diseases. Nevertheless, the role of GDF15 in alcohol-induced or fibrotic liver diseases has yet to be determined. In this study, we demonstrate that alcohol- or carbon tetrachloride (CCl4)-mediated hepatic GDF15 production ameliorates liver inflammation and fibrosis. Alcohol directly enhanced GDF15 expression in primary hepatocytes, which led to increased oxygen consumption...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29221978/influence-of-6-hydroxyethyl-starch-130-0-4-versus-crystalloid-solution-on-structural-renal-damage-markers-after-coronary-artery-bypass-grafting-a-post-hoc-subgroup-analysis-of-a-prospective-trial
#4
Thomas Datzmann, Markus Hoenicka, Helmut Reinelt, Andreas Liebold, Hagen Gorki
OBJECTIVE: The restriction of hydroxyethyl starch (HES) has mandated changes in volume management based on data of critically ill patients. Reliable data of structural renal damage after HES treatment in cardiac surgical patients are lacking. The influence of 6% HES 130/0.4 was investigated in this study. DESIGN: An exploratory post hoc subgroup analysis of a prospective trial was performed. SETTING: The study was carried out at a university hospital...
May 25, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29220536/cd36-deficiency-attenuates-immune-mediated-hepatitis-in-mice-by-modulating-the-proapoptotic-effects-of-cxcl10
#5
Che Xu, Chen Zhang, Jie Ji, Chao Wang, Jing Yang, Biao Geng, Ting Zhao, Hong Zhou, Xianmin Mu, Jinshun Pan, Shi Hu, Yuanfang Lv, Xingguo Chen, Hao Wen, Qiang You
The scavenger receptor, CD36, recognizes a diverse set of ligands, and has been implicated in a wide variety of normal and pathological processes, including lipid metabolism, angiogenesis, atherosclerosis, and phagocytosis. In particular, recent findings have demonstrated its crucial functions in sterile inflammation and tumor metastasis. However, the role of CD36 in immune-mediated hepatitis remains unclear. Concanavalin A (Con A)-induced liver injury is a well-established experimental T cell-mediated hepatitis...
December 8, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29216392/dioxin-like-pcb-126-increases-systemic-inflammation-and-accelerates-atherosclerosis-in-lean-ldl-receptor-deficient-mice
#6
Michael C Petriello, J Anthony Brandon, Jessie Hoffman, Chunyan Wang, Himi Tripathi, Ahmed Abdel-Latif, Xiang Ye, Xiangan Li, Liping Yang, Eun Lee, Sony Soman, Jazmyne Barney, Banrida Wahlang, Bernhard Hennig, Andrew J Morris
Exposure to dioxins and related persistent organic pollutants likely contributes to cardiovascular disease (CVD) risk through multiple mechanisms including the induction of chronic inflammation. Epidemiological studies have shown that leaner individuals may be more susceptible to the detrimental effects of lipophilic toxicants because they lack large adipose tissue depots that can accumulate and sequester these pollutants. This phenomenon complicates efforts to study mechanisms of pollutant-accelerated atherosclerosis in experimental animal models where high-fat feeding and adipose expansion limit the bioavailability of lipophilic pollutants...
December 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29211055/urinary-c-megalin-for-screening-of-renal-scarring-in-children-after-febrile-urinary-tract-infection
#7
Sohsaku Yamanouchi, Takahisa Kimata, Jiro Kino, Tetsuya Kitao, Chikushi Suruda, Shoji Tsuji, Hiroyuki Kurosawa, Yoshiaki Hirayama, Akihiko Saito, Kazunari Kaneko
BackgroundFebrile urinary tract infection (fUTI) in children may cause renal scarring. This study aimed to investigate the usefulness of urinary biomarkers for diagnosing renal scarring after fUTI.MethodsThirty-seven children (median age: 1.36 years, range: 0.52-12.17 years, 25 boys) with a history of fUTI, who underwent renal scintigraphy for 4 months or longer after the last episode of fUTI, were analyzed. A spot urine sample was obtained on the day of renal scintigraphy to measure levels of total protein, N-acetyl-β-D-glucosaminidase (NAG), β2-microglobulin (BMG), neutrophil gelatinase-associated lipocalin (NGAL), liver-type fatty acid binding protein (L-FABP), and C-megalin (full-length megalin)...
December 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29209116/gastric-xanthelasma-and-metabolic-disorders-a-large-retrospective-study-among-chinese-population
#8
Yi Chen, Xin-Jue He, Min-Jian Zhou, You-Ming Li
AIM: To gain knowledge of xanthelasma, a large population-based study was conducted. METHODS: Patients who underwent upper gastrointestinal endoscopy at the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China during Jan 2009 to Nov 2016 were included. General characteristics as well as clinical data were collected, including blood routine, serum biochemical analysis, endoscopic findinds, histological evaluation and comorbiditie. Statistical analyses was performed using SPSS 20...
November 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29204871/bone-marrow-mesenchymal-stem-cells-combat-lipopolysaccharide-induced-sepsis-in-rats-via-amendment-of-p38-mapk-signaling-cascade
#9
Omnia S Zaki, Marwa M Safar, Afaf A Ain-Shoka, Laila A Rashed
Sepsis is a systemic inflammatory disorder which often occurs during extremely stressful conditions such as trauma, burn, shock, and infection. This study investigated the curative effects of bone marrow-derived mesenchymal stem cells (BM-MSCs) against hepatic, renal, and pulmonary responses caused by a single administration of lipopolysaccharide (LPS) (10 mg/kg, i.p) in rats. Treatment with BM-MSCs (5 × 105 in 0.1 ml PBS, i.p.) 3 h after LPS antagonized the LPS-induced increment of the liver enzymes (ALT, AST) and kidney functions (BUN, sCr)...
December 4, 2017: Inflammation
https://www.readbyqxmd.com/read/29204702/post-treatment-neutrophil-to-lymphocyte-ratio-at-week-6-is-prognostic-in-patients-with-advanced-non-small-cell-lung-cancers-treated-with-anti-pd-1-antibody
#10
Koung Jin Suh, Se Hyun Kim, Yu Jung Kim, Miso Kim, Bhumsuk Keam, Tae Min Kim, Dong-Wan Kim, Dae Seog Heo, Jong Seok Lee
We investigated inflammatory markers such as the neutrophil-to-lymphocyte ratio (NLR) that may predict the response to anti-PD-1 (programmed cell death protein 1) antibody therapy. Data from 54 patients with non-small cell lung cancer (NSCLC) treated with anti-PD-1 antibodies were retrospectively analyzed. The NLR was assessed at baseline and 6 weeks after the start of treatment (post-treatment). Eighteen of 54 patients (33.3%) had objective responses to treatment. Older age, absence of brain metastasis, low post-treatment NLR (< 5), and immune-related adverse events were significantly associated with response...
December 4, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29201931/colchicine-induced-hepatotoxicity
#11
Collette E Abbott, Ruliang Xu, Samuel H Sigal
Drug-induced injury (DILI) is a frequent cause of abnormal liver tests and a leading cause of liver failure in the United States. Colchicine has long been used as a systemic anti-inflammatory agent for treatment of gout by inhibiting mitotic activity and neutrophil function. We present the first case of colchicine-induced hepatoxicity, supported by histopathologic findings characteristic of colchicine-induced injury and resolution of liver enzyme abnormalities after its discontinuation. Colchicine-associated DILI has implications for the evaluation of patients with abnormal liver tests and gout, especially for patients with alcoholism and non-alcoholic fatty liver disease, in whom there is an increased incidence of gout...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/29201630/avoidance-of-harm-from-treatment-for-anca-associated-vasculitis
#12
REVIEW
Catherine King, Lorraine Harper
Purpose of review With established immunosuppressant treatment regimens for anti-neutrophil cytoplasm antibody-associated vasculitides (AAV), prognosis has significantly improved. The mainstay of treatment still comprises high-dose corticosteroids and cyclophosphamide for severe forms, although rituximab is being increasingly utilised instead of cyclophosphamide as induction therapy. AAV patients experience an excess of infections, malignancies and cardiovascular events as compared to the general population, which is a combination of the systemic inflammatory process associated with vasculitis and the adverse events from treatment...
2017: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/29201022/leishmania-infantum-induces-the-release-of-strem-1-in-visceral-leishmaniasis
#13
Lays G S Bomfim, Lucas S Magalhães, Marcello A A Santos-Filho, Nalu T A Peres, Cristiane B Corrêa, Diego M Tanajura, Angela M Silva, Michael W Lipscomb, Valéria M Borges, Amélia R Jesus, Roque P Almeida, Tatiana R de Moura
Visceral leishmaniasis (VL) is a systemic transmissible disease that remains to be a major global health problem. The inflammatory response during VL is characterized by the release of several cytokines and other pro-inflammatory mediators. Triggering Receptor Expressed on Myeloid Cells (TREM) are a group of evolutionarily conserved membrane-bound surface receptors expressed on neutrophils and monocytes. Engagement of TREM-1 directs intracellular signaling events that drive cytokine production, degranulation, and phagocytosis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29199894/local-and-systemic-effects-of-a-silver-nitrate-coated-indwelling-pleural-catheter-in-an-animal-model-of-pleurodesis
#14
Alain Tremblay, Christine T Kearney, Chris Hanks, Jennifer Hughes Hanks, David S White, Marcia E Pereira, Craig E Zook, Karen Sargis, Luke Zhang
Purpose/Aim of the study: This study assessed the safety and potential toxicity of a silver nitrate coated indwelling pleural catheter (SNCIPC) designed to create pleurodesis in a large animal model. MATERIALS AND METHODS: Sixteen animals underwent insertion of either a SNCIPC or an uncoated silicone catheter. Half of the animals were sacrificed at day 7 and the others at day 30. Animal weight and assessment of well-being, pleural fluid and blood collection were performed at regular intervals...
December 4, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29197848/challenging-and-uncommon-diagnosis-of-long-evolution-ascites
#15
Marta Gravito-Soares, Elisa Gravito-Soares, João Almeida, João Fraga, Luis Tomé
This is a case report of a 45-year-old Caucasian man with chronic alcoholism. No history of liver disease or asbestos exposure. He complained of ascites during the last 3 years with worsening in the last year with severe ascites development. Diagnostic paracentesis showed SAAG 1.1 and high cellularity with neutrophil count >250 cells/µL. Ascitic fluid cytology revealed reactive mesothelial hyperplasia. Thoracoabdominopelvic ultrasonography/CT/MRI and fludeoxyglucose positron emission tomography/CT showed 'omental cake' pattern suggesting peritoneal carcinomatosis...
December 2, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29197723/the-flavonoid-quercetin-inhibits-titanium-dioxide-tio2-induced-chronic-arthritis-in-mice
#16
Sergio M Borghi, Sandra S Mizokami, Felipe A Pinho-Ribeiro, Victor Fattori, Jefferson Crespigio, Juliana T Clemente-Napimoga, Marcelo H Napimoga, Dimitrius L Pitol, João P M Issa, Sandra Y Fukada, Rubia Casagrande, Waldiceu A Verri
Titanium dioxide (TiO2) is a common component of orthopedic prosthesis. However, prosthesis wear releases TiO2, which induces inflammation and osteolysis in peri-prosthetic tissues. Quercetin is a flavonoid widely present in human diet, which presents biological activities such as antinociceptive, anti-inflammatory and antioxidant effects. Therefore, the effect of intraperitoneal treatment with quercetin in TiO2-induced arthritis model was evaluated. In the first set of experiments, mice received injection of TiO2 (0...
November 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29194232/diverse-correlations-between-fibrosis-related-factors-and-liver-stiffness-measurement-by-transient-elastography-in-chronic-hepatitis-b
#17
Ziyu Lin, Jing Liang, Jianyun Zhu, Chaoxia Hu, Yurong Gu, Jing Lai, Yubao Zheng, Zhiliang Gao
BACKGROUND: Several fibrosis-related factors influence liver stiffness measurements (LSM); however, these changes have not been investigated in the context of the various disease stages of chronic hepatitis B (CHB). AIM: The aim of this study was to assess the correlations between fibrosis-related factors and LSM in different disease stages of CHB. PATIENTS AND METHODS: Patients with mild CHB (n=305) and cirrhotic hepatitis B (cirrhotic HB) (n=137) were compared with determine the relationship between LSM and fibrosis-related factors including parameters of liver inflammation [aminotransferase (ALT), aspartate transaminase (AST), total bilirubin (Tbil)], albumin, globulin, peripheral blood cells (neutrophil granulocytes, red blood cells, platelets), abdominal ultrasound B-scan parameters including right liver thickness, portal vein inradium, diameter of spleen (DS), thickness of spleen (TS), and splenic vein inradium (SV)...
November 29, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29191940/loss-of-cellular-flice-inhibitory-protein-promotes-acute-cholestatic-liver-injury-and-inflammation-from-bile-duct-ligation
#18
Nadine Gehrke, Michael Nagel, Beate Katharina Straub, Marcus A Wörns, Marcus Schuchmann, Peter R Galle, Jörn M Schattenberg
BACKGROUND: Cholestatic liver injury results from impaired bile flow or metabolism and promotes hepatic inflammation and fibrogenesis. Toxic bile acids that accumulate in cholestasis induce apoptosis and contribute to early cholestatic liver injury, which is amplified by accompanying inflammation. Aim of the current study was to evaluate the role of the anti-apoptotic caspase 8-homologue cellular FLICE-inhibitory (cFLIP) protein during acute cholestatic liver injury. METHODS: Transgenic mice exhibiting hepatocyte-specific deletion of cFLIP (cFLIP-/-) were utilized for in vivo and in vitro analysis of cholestatic liver injury using bile duct ligation (BDL) and the addition of bile acids ex vivo...
November 30, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29189392/validation-of-inflammation-based-prognostic-models-in-patients-with-hepatitis-b-associated-hepatocellular-carcinoma-a-retrospective-observational-study
#19
Qing Pang, Lei Zhou, Kai Qu, Rui-Xia Cui, Hao Jin, Hui-Chun Liu
BACKGROUND AND OBJECTIVE: The objective of this study was to investigate the prognostic significance of several inflammation-based models in hepatitis B-associated hepatocellular carcinoma (HCC). PATIENTS AND METHODS: We retrospectively reviewed 470 cases of hepatitis B-associated HCC. Preoperative data were collected to calculate the inflammation-based markers, including systemic immune-inflammation index (neutrophil×platelets/lymphocyte), platelets-to-lymphocyte ratio, and neutrophil-to-lymphocyte ratio (NLR)...
January 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29183389/toxicological-investigation-of-acute-and-chronic-treatment-with-gnidia-stenophylla-gilg-root-extract-on-some-blood-parameters-and-histopathology-of-spleen-liver-and-kidney-in-mice
#20
Tilahun Alemayehu Nigatu, Mekbeb Afework, Kelbessa Urga, Wondwossen Ergete, Eyasu Makonnen
BACKGROUND: In southeast Ethiopia, people locally use the roots of Gnidia stenophylla Gilg (Thymelaeaceae) to cure malaria and other diseases with no literature evidence substantiating its safety. The aim of this study was, therefore, to investigate the safety of the aqueous root extract of G. stenophylla after acute (single dose) and repeated sub chronic oral administration in mice. RESULTS: A single oral administration of the extract at 500, 1000, 2000 and 4000 mg/kg body weight did not induce any behavioral change and mortality in both sexes...
November 28, 2017: BMC Research Notes
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