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https://www.readbyqxmd.com/read/28646630/characteristics-of-systemic-inflammation-in-hepatitis-b-precipitated-aclf-differentiate-it-from-no-aclf
#1
Wei Wu, Huadong Yan, Hong Zhao, Wenjie Sun, Qiao Yang, Jifang Sheng, Yu Shi
BACKGROUND AND AIMS: Patients with severe exacerbation of chronic hepatitis B (SE-CHB) are at risk of developing acute-on-chronic liver failure (ACLF). Systemic inflammation (SI) is a major driver of ACLF. The aim of this study was to identify characteristics of SI in hepatitis B-precipitated-ACLF (HB-ACLF), which may be distinct from No-ACLF patients with SE-CHB. METHODS: Two cohorts of patients with SE-CHB were enrolled in two tertiary hospitals. The associations between circulating leukocyte counts/subsets and ACLF progression and prognoses were analysed in Cohort A...
June 24, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28646487/immunotoxic-effects-of-thymus-in-mice-following-exposure-to-nanoparticulate-tio2
#2
Fashui Hong, Yaoming Zhou, Yingjun Zhou, Ling Wang
Titanium dioxide nanoparticles (TiO2 NPs) have been extensively used in industry, medicine, and daily life, and have shown potential toxic effects for animals or humans. We noted that the effects of TiO2 NPs on the immune system and its mechanism of action in animals or humans have not been elucidated. Thus, mice were exposed to the TiO2 NPs (0, 1.25, 2.5, or 5 mg kg(-1) body weight) for 9 consecutive months. Exposure to TiO2 NPs was accumulated in the thymus, leading to a decrease in body weight and increases in the weight of the thymus or thymus indices...
June 24, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28646408/a-mechanism-based-pk-pd-model-for-hematological-toxicities-induced-by-antibody-drug-conjugates
#3
Sihem Ait-Oudhia, Weiyan Zhang, Donald E Mager
Antibody-drug conjugates (ADCs) are complex drug platforms composed of monoclonal antibodies (mAbs) conjugated to potent cytotoxic drugs (payloads) via chemical linkers, enabling selective payload delivery to neoplastic cells, resulting in improved efficacy and reduced toxicity. Brentuximab vedotin (Adcetris®, SGN-35) and adotrastuzumab emtansine (Kadcyla®, T-DM1) are the two FDA-approved and commercially available ADCs, and both drugs exhibit ADC-related thrombocytopenia and neutropenia. A pharmacokinetic/pharmacodynamic (PK/PD) model for ADCs was developed to identify the analyte from each ADC that is most associated with the observed hematopoietic toxicities and to determine the role of the apparent in vivo payload release rate on the severity of thrombocytopenia and neutropenia...
June 23, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28646289/delta-neutrophil-index-dni-as-a-novel-diagnostic-and-prognostic-marker-of-infection-a-systematic-review-and-meta-analysis
#4
Jae Hyon Park, Hyeong Ju Byeon, Keum Hwa Lee, Jong Wook Lee, Andreas Kronbichler, Michael Eisenhut, Jae Il Shin
OBJECTIVE: Delta neutrophil index (DNI) representing the number of immature granulocytes is an emerging marker used in diagnosis of infections and prediction of mortality in infected patients. The present study evaluated the diagnostic accuracy of DNI as a predictive and prognostic factor in infected patients. METHODS: We performed a PubMed search on January 1st, 2017 and identified studies that evaluated DNI as either a predictive or prognostic factor in infected patients...
June 23, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28646038/aging-impairs-alveolar-macrophage-phagocytosis-and-increases-influenza-induced-mortality-in-mice
#5
Christine K Wong, Candice A Smith, Koji Sakamoto, Naftali Kaminski, Jonathan L Koff, Daniel R Goldstein
Influenza viral infections often lead to increased mortality in older people. However, the mechanisms by which aging impacts immunity to influenza lung infection remain unclear. We employed a murine model of influenza infection to identify these mechanisms. With aging, we found reduced numbers of alveolar macrophages, cells essential for lung homeostasis. We also determined that these macrophages are critical for influenza-induced mortality with aging. Furthermore, aging vastly alters the transcriptional profile and specifically downregulates cell cycling pathways in alveolar macrophages...
June 23, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28645880/biomarkers-of-airway-and-systemic-inflammation-in-obese-asthmatic-paediatric-patients
#6
H T Nacaroglu, O B Gayret, M Erol, O Buke, O Zengi, M Tasdemir, Z Tasdemir, O Yigit
BACKGROUND: It is thought that airway inflammation is more common in obese asthmatic patients because inflammation is harder to control and does not respond well to glucocorticoid treatment. OBJECTIVE: This study's aim was to investigate the effect of obesity on airway and systemic inflammation in children with asthma and to identify the biomarkers that play a role in this inflammation. METHODS: The study included patients aged 6-16 years who were diagnosed with asthma in the paediatric allergy outpatient clinic of Bagcilar Training and Research Hospital in Turkey...
June 20, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28645823/recombinant-human-soluble-thrombomodulin-prevents-acute-lung-injury-in-a-rat-cardiopulmonary-bypass-model
#7
Shingo Hirao, Kenji Minakata, Hidetoshi Masumoto, Kazuhiro Yamazaki, Tadashi Ikeda, Kenji Minatoya, Ryuzo Sakata
BACKGROUND: Cardiopulmonary bypass (CPB) may induce systemic inflammatory responses causing acute lung injury. Recombinant human soluble thrombomodulin (rTM) is reported to attenuate the secretion of inflammatory cytokines and the high-mobility group box 1 (HMGB1) protein, which is critical in controlling systemic inflammation and apoptosis. We investigated the protective effects of rTM on CPB-induced lung injury in a rat model. METHODS: Eighteen male Sprague-Dawley rats were divided into 3 groups: sham, control (CPB alone), and rTM (CPB + rTM)...
May 30, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28645584/effects-of-intranasal-treatment-with-slow-gyy4137-and-rapid-nahs-donors-of-hydrogen-sulfide-in-lipopolysaccharide-induced-airway-inflammation-in-mice
#8
Yesim Kaya-Yasar, Yasemin Karaman, Turgut Emrah Bozkurt, Sevgen Celik Onder, Inci Sahin-Erdemli
We have investigated the effects of slow (GYY4137) and rapid (NaHS) hydrogen sulfide (H2S) releasing donors in lipopolysaccharide (LPS)-induced airway inflammation in mice. LPS (0.1 mg/ml) in 60 μl PBS was administered by the intranasal (i.n.) route and control group received vehicle, whereas the subgroups of mice were treated with i.n. GYY4137 or NaHS. The tracheal reactivity, inflammatory cell count in bronchoalveolar lavage (BAL) fluid and lung histopathology were evaluated in all groups 48 h after LPS/PBS applications...
June 20, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28645528/long-term-sustainable-dendritic-cell-specific-depletion-murine-model-for-periodontitis-research
#9
Amanda Finger Stadler, Mitulkumar Patel, Rafal Pacholczyk, Christopher W Cutler, Roger M Arce
Dendritic cells (DCs) are specialized antigen-presenting cells that play a pivotal role in the pathogenesis of periodontitis. The use of animal models to study the role of DCs in periodontitis has been limited by lack of a method for sustained depletion of DCs. Hence, the objectives of this study were to validate the zDC-DTR knockin mouse model of conventional DCs (cDCs) depletion, as well as to investigate whether this depletion could be sustained long enough to induce alveolar bone loss in this model. zDC-DTR mice were treated with different dose regimens of diphtheria toxin (DT) to determine survival rate...
June 20, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28645160/chronic-pseudomonas-aeruginosa-biofilm-infection-impairs-murine-s100a8-a9-and-neutrophil-effector-cytokines-implications-for-delayed-wound-closure
#10
Hannah Trøstrup, Christian Johann Lerche, Lars Jackie Christophersen, Kim Thomsen, Peter Østrup Jensen, Hans Petter Hougen, Niels Høiby, Claus Moser
The impact of Pseudomonas aeruginosa biofilm infections in chronic wounds and clinical implication for healing is receiving increased attention. However, the pathophysiology of host/pathogen interplay is not fully understood. By further revealing the mechanisms, necessary new treatment strategies may be identified. Since the background for chronic wounds is diverse, representative animal models are important. We assessed host response and spontaneous wound closure in the relatively resistant C3H/HeN and the susceptible BALB/c mouse strain...
June 22, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28644844/carbonic-anhydrase-inhibitor-attenuates-ischemia-reperfusion-induced-acute-lung-injury
#11
Chou-Chin Lan, Chung-Kan Peng, Shih-En Tang, Kun-Lun Huang, Chin-Pyng Wu
Ischemia-reperfusion (IR)-induced acute lung injury (ALI) is implicated in several clinical conditions including lung transplantation, cardiopulmonary bypass surgery, re-expansion of collapsed lung from pneumothorax or pleural effusion and etc. IR-induced ALI remains a challenge in the current treatment. Carbonic anhydrase has important physiological function and influences on transport of CO2. Some investigators suggest that CO2 influences lung injury. Therefore, carbonic anhydrase should have the role in ALI...
2017: PloS One
https://www.readbyqxmd.com/read/28644773/mobilized-peripheral-blood-stem-cells-versus-unstimulated-bone-marrow-as-a-graft-source-for-t-cell-replete-haploidentical-donor-transplantation-using-post-transplant-cyclophosphamide
#12
Asad Bashey, Mei-Jie Zhang, Shannon R McCurdy, Andrew St Martin, Trevor Argall, Claudio Anasetti, Stefan O Ciurea, Omotayo Fasan, Sameh Gaballa, Mehdi Hamadani, Pashna Munshi, Monzr M Al Malki, Ryotaro Nakamura, Paul V O'Donnell, Miguel-Angel Perales, Kavita Raj, Rizwan Romee, Scott Rowley, Vanderson Rocha, Rachel B Salit, Melhem Solh, Robert J Soiffer, Ephraim Joseph Fuchs, Mary Eapen
Purpose T-cell-replete HLA-haploidentical donor hematopoietic transplantation using post-transplant cyclophosphamide was originally described using bone marrow (BM). With increasing use of mobilized peripheral blood (PB), we compared transplant outcomes after PB and BM transplants. Patients and Methods A total of 681 patients with hematologic malignancy who underwent transplantation in the United States between 2009 and 2014 received BM (n = 481) or PB (n = 190) grafts. Cox regression models were built to examine differences in transplant outcomes by graft type, adjusting for patient, disease, and transplant characteristics...
June 23, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28644753/a-comparison-of-the-neutrophil-lymphocyte-platelet-lymphocyte-and-monocyte-lymphocyte-ratios-in-schizophrenia-and-bipolar-disorder-patients-a-retrospective-file-review
#13
Selçuk Özdin, Gökhan Sarisoy, Ömer Böke
Neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR) and monocyte-lymphocyte ratio (MLR) have recently been used as indicators of inflammation. Higher MLR and PLR values have been determined in the euthymic and manic periods in patients with bipolar disorder compared to a control group. High NLR values were determined in the only study investigating this ratio in schizophrenia patients. The purpose of this study was to compare NLR, PLR and MLR values and complete blood count elements in patients receiving treatment and hospitalized due to schizophrenic psychotic episode and bipolar disorder manic episode...
June 23, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28644453/evaluation-of-the-neutrophil-lymphocyte-ratio-as-an-indicator-of-chronic-distress-in-the-laboratory-mouse
#14
Debra L Hickman
When evaluating the effect of husbandry and biomethodologies on the well-being of laboratory mice, it is critical to utilize measurements that allow the distinguishing of acute stress from chronic stress. One of the most common measurements of stress in laboratory animals is the corticosterone assessment. However, while this measurement provides a highly accurate reflection of the animal's response to acute stressors, its interpretation is more prone to error when evaluating the effect of chronic stress. This study evaluated the use of the neutrophil:lymphocyte (NE:LY) ratio as an assessment of chronic stress in male and female C57Bl/6N mice as compared to serum corticosterone...
June 23, 2017: Lab Animal
https://www.readbyqxmd.com/read/28644143/the-elevated-nlr-plr-and-plt-may-predict-the-prognosis-of-patients-with-colorectal-cancer-a-systematic-review-and-metaanalysis
#15
Jie Zhang, Hong-Ying Zhang, Jia Li, Xin-Yu Shao, Chun-Xia Zhang
Recently, several studies have reported that inflammatory response and elevated platelet counts may be associated with the poor prognosis of colorectal cancer. This meta-analysis was designed to analyze and evaluate the prognostic role of elevated preoperative or pretreatment neutrophils-to-lymphocytes ratio, platelet-to-lymphocytes ratio or platelet counts in patients with colorectal cancer. We searched PubMed, EMBASE, Cochrane Library and Web of Science to April, 2016. A total of 23 studies (N = 11762 participants) were included for this meta-analysis...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643741/prognostic-and-predictive-markers-of-response-to-treatment-in-patients-with-locally-advanced-unresectable-and-metastatic-pancreatic-adenocarcinoma-treated-with-gemcitabine-nab-paclitaxel-results-of-a-retrospective-analysis
#16
Ana Fernández Montes, Paula González Villarroel, Manuel Valladares Ayerbes, Juan De la Cámara Gómez, Guillermo Quintero Aldana, Lidia Vázquez Tuñas, Mercedes Salgado Fernández, Mónica Jorge Fernández
BACKGROUND: Recent studies support the use of gemcitabine and nab-paclitaxel in adults with locally advanced unresectable or metastatic pancreatic adenocarcinoma although insufficient data are available on prognostic and predictive markers of response to treatment. OBJECTIVE: The objective of this study is to identify treatment response markers in patients with locally advanced unresectable or metastatic pancreatic adenocarcinoma. MATERIALS AND METHODS: This is an observational, retrospective, and multicenter study...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643487/proenkephalin-neutrophil-gelatinase-associated-lipocalin-and-estimated-glomerular-filtration-rates-in-patients-with-sepsis
#17
Hanah Kim, Mina Hur, Seungho Lee, Rossella Marino, Laura Magrini, Patrizia Cardelli, Joachim Struck, Andreas Bergmann, Oliver Hartmann, Salvatore Di Somma
BACKGROUND: Proenkephalin (PENK) has been suggested as a novel biomarker for kidney function. We investigated the diagnostic and prognostic utility of plasma PENK in comparison with neutrophil gelatinase-associated lipocalin (NGAL) and estimated glomerular filtration rates (eGFR) in septic patients. METHODS: A total of 167 septic patients were enrolled: 99 with sepsis, 37 with septic shock, and 31 with suspected sepsis. PENK and NGAL concentrations were measured and GFR was estimated by using the isotope dilution mass spectrometry traceable-Modification of Diet in Renal Disease (MDRD) Study and three Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations: CKD-EPI(Cr), CDK-EPI(CysC), and CKD-EPI(Cr-CysC)...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28643381/clinical-association-between-chronic-periodontitis-and-the-leukocyte-extravasation-inhibitors-developmental-endothelial-locus-1-and-pentraxin-3
#18
Matthias Folwaczny, Evangelia Karnesi, Tamara Berger, Ekaterini Paschos
This clinical study aimed to determine whether periodontal disease is associated with expression of developmental endothelial locus-1 (Del-1) and pentraxin-3 (PTX-3), endogenous inhibitors of leukocyte extravasation in humans. Expression of DEL1, PTX3, interleukin-17A (IL17A), and lymphocyte function-associated antigen-1 (LFA1) was determined, using RT-PCR and melting curve analysis, in biopsies of gingival tissues from 95 patients: 42 with moderate periodontitis; 40 with severe periodontitis; and 13 healthy controls...
June 23, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28643318/-experimental-research-of-neutrophil-gelatinase-associated-lipocalin-sirna-encapsulated-by-urocanic-acid-coupled-chitosan-on-colon-cancer-cells
#19
Zhong Shen, Kan Xu, Houdong Wang, Guangen Yang, Jieli Pan, Meiya Li, Jianming Qiu, Wenjing Wu, Ying Zhang, Xiufeng Zhang
OBJECTIVE: To explore the impact of neutrophil gelatinase-associated lipocalin (NGAL) knockdown by NGAL siRNA encapsulated with urocanic acid-modified chitosan nanoparticles (UAC) on the proliferation, migration and apoptosis of human colon cancer cells. METHODS: NGAL siRNA was encapsulated by UAC and chitosan (CTS) respectively, and then was transfected into human colon cancer cell lines HT29. The NGAL mRNA was detected by real-time quantitative PCR (RT-QPCR). Relationships of NGAL gene silencing with the proliferation, migration and apoptosis of HT29 cell were analyzed...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28642884/cxcl8b-and-cxcr2-regulate-neutrophil-migration-through-bloodstream-in-zebrafish
#20
Constanza Zuñiga-Traslaviña, Karina Bravo, Ariel E Reyes, Carmen G Feijóo
Neutrophils play an essential role during an inflammatory response, which is dependent on their rapid recruitment from the bone marrow to the vasculature. However, there is no information about the molecular signals that regulate neutrophil entry to circulation during an inflammatory process in humans. This is mainly due to the lack of a suitable model of study that contains similar set of molecules and that allows in vivo analyses. In this study, we used the zebrafish to assess the role of Cxcl8a, Cxcl8b, and Cxcr2 in neutrophil migration to blood circulation after injury...
2017: Journal of Immunology Research
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