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https://www.readbyqxmd.com/read/28346820/blastomyces-dermatitidis-serine-protease-dipeptidyl-peptidase-iva-dppiva-cleaves-elr-cxc-chemokines-altering-their-effects-on-neutrophils
#1
Jenna Lorenzini, J Scott Fites, Jeniel Nett, Bruce S Klein
Blastomycosis elicits a pyogranulomatous inflammatory response, which involves a prominent recruitment of neutrophils to the site of infection. While neutrophils are efficiently recruited to the site of infection, this event is paradoxically coupled with the host's inability to control infection by Blastomyces dermatitidis, the causative agent. The mechanisms underlying this characteristic pyogranulomatous response and inability of neutrophils to kill the yeast are poorly understood. We recently reported that the fungal protease DppIVA promotes B...
March 27, 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28346682/age-related-variation-in-the-cellular-composition-of-equine-bronchoalveolar-lavage-fluid
#2
Shannon J Hostetter, Sandra K Clark, Jessica M Gilbertie, Sarah A Wiechert, Doug E Jones, Brett A Sponseller
BACKGROUND: Previous reports reveal variation in the cellular composition of equine bronchoalveolar lavage fluid (BALF). OBJECTIVES: The purpose of this study was to compare the profiles of BALF from horses to assess age-related differences. Serial BALF samples were collected from the same individuals over a one-year period to identify changes in individual animals as they aged. METHODS: Collection of BALF was performed on horses aged one week and one, 2, 6, and 12 months...
March 27, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28346490/effect-of-hiv-and-malaria-parasites-co-infection-on-immune-hematological-profiles-among-patients-attending-anti-retroviral-treatment-art-clinic-in-infectious-disease-hospital-kano-nigeria
#3
Feyisayo Ebenezer Jegede, Tinuade Ibijoke Oyeyi, Surajudeen Abiola Abdulrahman, Henry Akwen Mbah, Titilope Badru, Chinedu Agbakwuru, Oluwasanmi Adedokun
BACKGROUND: Human immunodeficiency virus (HIV) and malaria co-infection may present worse health outcomes in the tropics. Information on HIV/malaria co-infection effect on immune-hematological profiles is critical for patient care and there is a paucity of such data in Nigeria. OBJECTIVE: To evaluate immune-hematological profiles among HIV infected patients compared to HIV/malaria co-infected for ART management improvement. METHODS: This was a cross sectional study conducted at Infectious Disease Hospital, Kano...
2017: PloS One
https://www.readbyqxmd.com/read/28346430/il-17c-mediates-the-recruitment-of-tumor-associated-neutrophils-and-lung-tumor-growth
#4
C Jungnickel, L H Schmidt, L Bittigkoffer, L Wolf, A Wolf, F Ritzmann, A Kamyschnikow, C Herr, M D Menger, T Spieker, R Wiewrodt, R Bals, C Beisswenger
Chronic obstructive pulmonary disease (COPD) is associated with an increased risk for lung cancer and an aberrant microbiota of the lung. Microbial colonization contributes to chronic neutrophilic inflammation in COPD. Nontypeable Haemophilus influenzae (NTHi) is frequently found in lungs of stable COPD patients and is the major pathogen triggering exacerbations. The epithelial cytokine interleukin-17C (IL-17C) promotes the recruitment of neutrophils into inflamed tissues. The purpose of this study was to investigate the function of IL-17C in the pulmonary tumor microenvironment...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346415/haplo-cord-transplantation-compared-to-haploidentical-transplantation-with-post-transplant-cyclophosphamide-in-patients-with-aml
#5
M Kwon, G Bautista, P Balsalobre, I Sánchez-Ortega, P Montesinos, A Bermúdez, A de Laiglesia, P Herrera, C Martin, K Humala, A Zabalza, M Torres, L Bento, L L Corral, I Heras, D Serrano, I Buño, J Anguita, C Regidor, R Duarte, R Cabrera, J Gayoso, J L Diez-Martin
For patients with AML, the best alternative donor remains to be defined. We analyze outcomes of patients who underwent myeloablative umbilical cord blood or haploidentical hemopoietic stem cell transplantation (HSCT) in Spain. Fifty-one patients underwent single umbilical cord blood transplantation supported by a third party donor (Haplo-Cord) between 1999 and 2012, and 36 patients received an haploidentical HSCT with post-transplant cyclophosphamide (PTCY-haplo) between 2012 and 2014 in GETH centers. The Haplo-Cord cohort included a higher proportion of patients with high disease risk index and use of TBI in the conditioning regimen, and hematopoietic cell transplantation-age Comorbidity Age Index was higher in PTCY-haplo patients...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346125/canine-neutrophil-extracellular-traps-enhance-clot-formation-and-delay-lysis
#6
Unity Jeffery, Dana N LeVine
Autoimmune diseases increase the risk of thrombosis. Neutrophil extracellular traps (NETs) are webs of DNA and protein that may mediate thrombosis in autoimmune diseases. Human and murine studies show NET-releasing neutrophils within a thrombus promote its growth, but it is unclear to what extent NET fragments released into circulation during inflammation are prothrombotic. This study hypothesized that canine NETs promote clot formation and impair lysis even in the absence of neutrophils. NETs were prepared from PMA-stimulated neutrophils and added to fibrinogen and thrombin or to recalcified pooled canine platelet-poor plasma, tissue factor, and tissue plasminogen activator...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28346009/reactions-with-antisera-and-pathological-effects-of-staphylococcus-aureus-gamma-toxin-in-the-cornea
#7
Michael A Bierdeman, Angela M Torres, Armando R Caballero, Aihua Tang, Richard J O'Callaghan
PURPOSE: This study analyzed the toxicity of purified gamma-toxin from Staphylococcus aureus and the protectiveness of antisera to gamma-toxin in the rabbit cornea. MATERIALS AND METHODS: Gamma-toxin was purified from cultures of alpha-toxin deficient S. aureus strain Newman Δhla. Antisera to native gamma-toxin (Hlg) were produced in rabbits. These antisera and a commercial polyclonal antibody to recombinant HlgB (rHlgB) were analyzed for specificity and toxin neutralization...
March 27, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28345845/the-pre-treatment-neutrophil-lymphocyte-ratio-a-useful-tool-in-predicting-non-sentinel-lymph-node-metastasis-in-breast-cancer-cases
#8
Suphawat Laohawiriyakamol, Somrit Mahattanobon, Supparerk Laohawiriyakamol, Puttisak Puttawibul
Background: The sentinel lymph node (SLN) biopsy is a highly accurate predictor of overall axillary nodal status in early breast cancer patients. There is however, still a debate on which patients with a positive SLN can benefit from axillary lymph node dissection (ALND). Numerous studies have been designed to identify variables that are predictive of non-SLN metastasis to avoid a complete ALND. The aim of this study was to determine whether the pre-treatment neutrophil-lymphocyte ratio (NLR) can be a predictive factor of non-SLN metastasis in early breast cancer patients...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345811/importance-of-laboratory-parameters-in-patients-with-obstructive-sleep-apnea-and-their-relationship-with-cardiovascular-diseases
#9
Tulay Kıvanc, Sevsen Kulaksızoglu, Huseyin Lakadamyalı, Fusun Eyuboglu
BACKGROUND: Ostructive sleep apnea (OSA) is an independent risk factor for the development of cardiovascular events. Platelet activation and inflammation are the mechanisms involved in the association between OSA and cardiovascular disease (CVD). The markers of platelet activation and inflammation are the mean platelet volume (MPV), platelet-lymphocyte ratio (PLR), red cell distribution width (RDW), neutrophil- lymphocyte ratio (NLR). We aimed to define the association of NLR, PLR, RDW, and MPV with the severity of disease and the presence of CVD...
March 27, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28345776/red-blood-cell-distribution-width-and-neutrophil-to-lymphocyte-ratio-are-correlated-with-disease-activity-of-dermatomyositis-and-polymyositis
#10
Ming-Zhu Gao, Yuan-Lan Huang, Xiao-Dan Wu, Qiang-Wei Xu, Rong Ji, Bing Gu, Ai-Yan Zhang, Ting-Ting Hao, Zhi-Jun Han, Tian-Li Ren
BACKGROUND: Previous studies indicated that both red blood cell distribution width (RDW) and neutrophil to lymphocyte ratio (NLR) were useful indices in assessing the disease activity of autoimmune diseases. However, the evidence for the association between RDW, NLR and dermatomyositis (DM) and polymyositis (PM) is limited. The aim of this study is to investigate the association between the disease activity of PM/DM and both RDW and NLR. METHODS: Medical records of 114 PM/DM patients and 114 healthy controls were retrospectively reviewed, and their RDW, NLR and myositis disease activity assessment visual analogue scale (MYOACT) on admission were extracted...
March 27, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28345771/effect-of-intra-cellular-trafficking-on-flow-cytometric-measurement-of-neutrophil-s-oxidative-status-in-iron-deficient-pregnant-females
#11
Soha R Youssef, Sherif F Hendawy, Noha H Boshnak, Mariana S Sedhom
BACKGROUND: Iron deficiency and iron deficiency anemia are prevalent among pregnant women particularly in developing countries. This study aimed to evaluate the iron status among Egyptian pregnant women and its impact on their neutrophil's count and antimicrobial functions. METHOD: Ninety pregnant females underwent complete blood count, iron profile, flow cytometric studies for neutrophil myeloperoxidase expression & oxidative burst using dihydrorhodamine 123 (DHR) after phorbol-12-myristate-13-acetate (PMA) stimulation as well as neutrophil phagocytic and lytic indices...
March 27, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28345770/effect-of-1-25-oh-2-d3-and-20-oh-d3-on-interleukin-1%C3%AE-stimulated-interleukin-6-and-8-production-by-human-gingival-fibroblasts
#12
V Nakashyan, D A Tipton, A Karydis, R Livada, S H Stein
BACKGROUND AND OBJECTIVE: Vitamin D-1,25(OH)2 D3 or 1,25D3-maintains healthy osseous tissue, stimulates the production of the antimicrobial peptide cathelicidin and has anti-inflammatory effects, but it can cause hypercalcemia. Evidence links diminished serum levels of 1,25D3 with increased gingival inflammation. Periodontitis progression is associated with increased local production of inflammatory mediators by immune cells and gingival fibroblasts. These include interleukin (IL)-6, a regulator of osteoclastic bone resorption, and the neutrophil chemoattractant IL-8, both regulated by signaling pathways, including NF-κB and MAPK/AP-1...
March 27, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28345644/vitamin-d-both-facilitates-and-attenuates-the-cellular-response-to-lipopolysaccharide
#13
Ling Chen, Mathew Suji Eapen, Graeme R Zosky
Vitamin D has a range of non-skeletal health effects and has been implicated in the response to respiratory infections. The aim of this study was to assess the effect of vitamin D on the response of epithelial cells, neutrophils and macrophages to lipopolysaccharide (LPS) stimulation. BEAS-2B cells (airway epithelial cell line) and primary neutrophils and macrophages isolated from blood samples were cultured and exposed to LPS with and without vitamin D (1,25(OH)2D). The production of IL-6, IL-8, IL-1β and TNF-α of all cells and the phagocytic capacity of neutrophils and macrophages to E...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345594/serum-lactate-dehydrogenase-predicts-prognosis-and-correlates-with-systemic-inflammatory-response-in-patients-with-advanced-pancreatic-cancer-after-gemcitabine-based-chemotherapy
#14
Shu-Lin Yu, Li-Tao Xu, Qi Qi, Ya-Wen Geng, Hao Chen, Zhi-Qiang Meng, Peng Wang, Zhen Chen
Serum lactate dehydrogenase (LDH) concentrations correlate with tumor progression and poor outcome. We evaluated the predictive value of serum LDH level for overall survival (OS) of patients with advanced pancreatic cancer after gemcitabine-based chemotherapy. We retrospectively enrolled 364 patients with locally advanced or metastatic pancreatic adenocarcinoma who were then allocated to training (n = 139) and validation cohorts (n = 225). We evaluated the association between serum LDH levels and OS as well as with markers of systemic inflammation, including neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR) and lymphocyte/monocyte ratio (LMR)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345287/contribution-of-platelet-p2y12-receptors-to-chronic-complete-freund-s-adjuvant-induced-inflammatory-pain
#15
K Bekő, B Koványi, F Gölöncsér, G Horváth, Á Dénes, Zs Környei, B Botz, Zs Helyes, C E Müller, B Sperlágh
BACKGROUND: P2Y12 receptor antagonists are widely used in clinical practice to inhibit platelet aggregation. P2Y12 receptors are also known to regulate different forms of pain as well as local and systemic inflammation. However it is not known if platelet P2Y12 receptors contribute to these effects. OBJECTIVES: In this study, we explored the contribution of platelet P2Y12 receptors to chronic inflammatory pain in mice. METHODS: Complete Freund's adjuvant (CFA)-induced chronic inflammatory pain was induced in wild-type and P2ry12 gene-deficient mice (P2ry12-/-), and the potent, direct-acting and reversible P2Y12 receptor antagonists, PSB-0739, and cangrelor were used...
March 27, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28345207/autoinflammatory-syndromes-associated-with-hidradenitis-suppurativa-and-or-acne
#16
REVIEW
Caroline Vinkel, Simon F Thomsen
Autoinflammatory syndromes associated with hidradenitis suppurativa (HS) and/or acne are rare but potentially debilitating disorders if not diagnosed and treated correctly. They share a common pathogenesis involving a dysregulated innate immune system with abnormal interleukin (IL)-1 signaling leading to sterile neutrophilic inflammation. The clinical features are recurrent episodes of fever, painful arthritis, and skin lesions consistent with HS, acne, and pyoderma gangrenosum (PG) accompanied by elevated systemic inflammatory markers in blood...
March 27, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28345165/interleukin-1-inhibition-facilitates-recovery-from-liver-injury-and-promotes-regeneration-of-hepatocytes-in-alcoholic-hepatitis-in-mice
#17
Arvin Iracheta-Vellve, Jan Petrasek, Benedek Gyogyosi, Shashi Bala, Timea Csak, Karen Kodys, Gyongyi Szabo
BACKGROUND & AIMS: Inflammation and impaired hepatocyte regeneration contribute to liver failure in alcoholic hepatitis (AH). Interleukin (IL)-1 is a key inflammatory cytokine in the pathobiology of AH. The role of IL-1 in liver regeneration in the recovery phase of alcohol-induced liver injury is unknown. METHODS: Here we tested IL-1 receptor antagonist to block IL-1 signaling in a mouse model of acute-on-chronic liver injury on liver inflammation and hepatocyte regeneration in AH...
March 26, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28345155/a-nomogram-for-predicting-prognostic-value-of-inflammatory-response-biomarkers-in-decompensated-cirrhotic-patients-without-acute-on-chronic-liver-failure
#18
Y-J Cai, J-J Dong, J-Z Dong, Y Chen, Z Lin, M Song, Y-Q Wang, Y-P Chen, K-Q Shi, M-T Zhou
BACKGROUND: Inflammation plays a vital role in liver cirrhosis progression and prognosis. AIM: To investigate the prognostic significance of inflammatory response markers in decompensated cirrhotic patients without acute-on-chronic liver failure (ACLF). METHODS: Independent predictors were identified using multivariate Cox model and then assembled into a nomogram to predict survival. Concordance index (C-index) and time-dependent receiver operating characteristics (td-ROC) analysis were adopted to evaluate and compare the performance of nomogram, model for end-stage liver disease (MELD) scores, MELD-Na and Chronic Liver Failure-consortium score for acute decompensated (CLIF-C ADs)...
March 26, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28345022/ex%C3%A2-vivo-oncolytic-virotherapy-with-myxoma-virus-arms-multiple-allogeneic-bone-marrow-transplant-leukocytes-to-enhance-graft-versus-tumor
#19
Cameron L Lilly, Nancy Y Villa, Ana Lemos de Matos, Haider M Ali, Jess-Karan S Dhillon, Tom Hofland, Masmudur M Rahman, Winnie Chan, Bjarne Bogen, Christopher Cogle, Grant McFadden
Allogeneic stem cell transplant-derived T cells have the potential to seek and eliminate sites of residual cancer that escaped primary therapy. Oncolytic myxoma virus (MYXV) exhibits potent anti-cancer efficacy against human cancers like multiple myeloma (MM) and can arm transplant-derived T cells to become more effective cancer killers in vitro and in an immunodeficient xenotransplant murine model. Here, we tested ex vivo MYXV virotherapy against residual murine MM in immunocompetent mice using an allogeneic mouse-mouse model...
March 17, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28344866/cd13-hi-neutrophil-like-myeloid-derived-suppressor-cells-exert-immune-suppression-through-arginase-1-expression-in-pancreatic-ductal-adenocarcinoma
#20
Jing Zhang, Xiongfei Xu, Min Shi, Ying Chen, Danghui Yu, Chenyan Zhao, Yan Gu, Biao Yang, Shiwei Guo, Guiling Ding, Gang Jin, Chin-Lee Wu, Minghua Zhu
Perineural invasion and immunosuppressive tumor microenvironment are the distinct features of pancreatic ductal adenocarcinoma (PDAC). Heterogeneous myeloid-derived suppressor cells (MDSCs) are potent suppressors of antitumor immunity, posing obstacles for cancer immunotherapy. Increasing evidences have demonstrated the accumulation of MDSCs in PDAC patients. However, the role of MDSCs in perineural invasion of PDAC and the existence of novel MDSC subsets during PDAC remain unclear. This study found that lymphocytic perineural cuffs were frequently present in chronic pancreatitis (CP) tissues and adjacent non-neoplastic pancreatic tissues (ANPTs), but not in PDAC with perineural invasion...
2017: Oncoimmunology
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