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https://www.readbyqxmd.com/read/28334040/macrophage-origin-limits-functional-plasticity-in-helminth-bacterial-co-infection
#1
Dominik Rückerl, Sharon M Campbell, Sheelagh Duncan, Tara E Sutherland, Stephen J Jenkins, James P Hewitson, Tom A Barr, Lucy H Jackson-Jones, Rick M Maizels, Judith E Allen
Rapid reprogramming of the macrophage activation phenotype is considered important in the defense against consecutive infection with diverse infectious agents. However, in the setting of persistent, chronic infection the functional importance of macrophage-intrinsic adaptation to changing environments vs. recruitment of new macrophages remains unclear. Here we show that resident peritoneal macrophages expanded by infection with the nematode Heligmosomoides polygyrus bakeri altered their activation phenotype in response to infection with Salmonella enterica ser...
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28332168/pulp-bleeding-color-is-an-indicator-of-clinical-and-histohematologic-status-of-primary-teeth
#2
Naser Asl Aaminabadi, Marziyeh Parto, Parya Emamverdizadeh, Zahra Jamali, Sajjad Shirazi
OBJECTIVES: This study was carried out to investigate whether the changes in hematologic characteristic and color of pulpal bleeding is associated with clinical and histologic status of the pulp in primary teeth. MATERIALS AND METHODS: A total of 211 primary molars in 103 patients, 3-6 years old, were treated. One hundred eight teeth had pulpectomy, 57 teeth had pulpotomy after pulp exposure during caries excavation, and 46 teeth had pulpotomy after accidental pulp exposure in sound dentin...
March 23, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28321976/a-5-color-flow-cytometric-method-for-extended-8-part-leukocyte-differential
#3
Julien Guy, Orianne Wagner-Ballon, Olivier Pages, François Bailly, Jessica Borgeot, Marie-C Béné, Marc Maynadié
OBJECTIVES: Microscopic leukocyte differentials display many drawbacks. Several single 5 to 8-color tubes using multiparameter flow cytometry (MFC) are able to provide extended differentials with sequential gating-based analysis strategies. We investigated a new 5-color MFC method to perform an extended 8-part differential with a simplified gating strategy. METHODS: Whole blood was stained with a combination of antibodies including HLA-DR-FITC/CD19-PE/CD45-ECD/CD16-PC5+CD71-PC5/CD5-PC7...
March 21, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28321405/prognostic-significance-of-neutrophil-to-lymphocyte-ratio-lymphocyte-to-monocyte-ratio-and-platelet-to-lymphocyte-ratio-in-patients-with-nasopharyngeal-carcinoma
#4
Aiying Lu, Haifeng Li, Yuming Zheng, Minzhong Tang, Jun Li, Huihui Wu, Weiming Zhong, Jianquan Gao, Ningjiang Ou, Yonglin Cai
The peripheral blood neutrophil to lymphocyte ratio (NLR), lymphocyte to monocyte ratio (LMR), and platelet to lymphocyte ratio (PLR) have been reported to correlate with the prognosis of many malignancies. This study evaluated the prognostic value of pretreatment NLR, LMR, and PLR in nasopharyngeal carcinoma (NPC). A retrospective analysis of clinical and pathological data of 140 NPC patients without distant metastasis during initial treatment was conducted to identify correlations between NLR, LMR, and PLR and clinicopathological features, overall survival, and progression-free survival...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28320834/early-intracellular-trafficking-of-granulibacter-bethesdensis-in-human-macrophages
#5
Jessica Chu, Margery G Smelkinson, David W Dorward, Kol A Zarember, John I Gallin
Granulibacter bethesdensis is a Gram-negative bacterium that infects patients with Chronic Granulomatous Disease (CGD), a primary immunodeficiency marked by a defect in NOX2, the phagocyte nicotinamide adenine dinucleotide phosphate oxidase. Previous studies have shown that NOX2 is essential for killing of G. bethesdensis by neutrophils and monocytes and that bacteriostatic activity of monocyte derived macrophages (MDM) requires NOX2 and IFNγ-pretreatment. To determine if G. bethesdensis evades phagolysosomal killing, a host defense pathway intact in both normal and CGD MDM, or occupies a distinct intracellular niche in CGD MDM, we assessed the trafficking patterns of this organism...
March 20, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28320258/sex-differences-in-oxidative-stress-after-eccentric-and-concentric-exercise
#6
Magdalena Wiecek, Marcin Maciejczyk, Jadwiga Szymura, Zbigniew Szygula
OBJECTIVES: Comparison of redox balance changes in the blood of women and men as a result of submaximal eccentric (ECC) and concentric (CONC) efforts. METHODS: 10 women and 10 men performed three 45-minute submaximal treadmill runs at constant velocities (downhill run - ECC, uphill run - CONC and level run). Prior to the 45-minute exercises, after their completion and following 24 hours of recovery, the concentration of lactate, oxidized low-density lipoprotein (ox-LDL), 3-nitrotyrosine, uric acid (UA) and the white blood cell count (WBC), neutrophil (NEUT), lymphocyte (LYMPH) and monocyte content in the blood were determined...
March 20, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28319586/short-term-exercise-training-alters-leukocyte-chemokine-receptors-in-obese-adults
#7
Julianne C Barry, Svetlana Simtchouk, Cody Durrer, Mary E Jung, Jonathan P Little
Obesity is characterized by chronic low-grade inflammation driven by activation and tissue infiltration of circulating leukocytes. Although exercise has anti-inflammatory effects, the impact of exercise on mediators of leukocyte migration is unclear. PURPOSE: To determine the impact of high intensity interval training (HIIT) versus moderate intensity continuous training (MICT), in the absence of weight/fat loss, on circulating chemokines and leukocyte chemokine receptors. METHODS: Thirty-seven inactive obese adults were randomized to two weeks (10 sessions) of HIIT or MICT with fasting blood samples collected before and after training...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28319139/identification-of-cell-morphology-parameters-from-automatic-hematology-analyzers-to-predict-the-peripheral-blood-cd34-positive-cell-count-after-mobilization
#8
Saeam Shin, Sung Ran Cho, Sinyoung Kim, Jong Rak Choi, Kyung-A Lee
Optimal timing of apheresis initiation is important for maximizing the hematopoietic stem cell (HSC) yield. This study aimed to identify useful parameters from automatic hematology analyzers for predicting the peripheral blood CD34+ cell count after mobilization. We prospectively enrolled 53 healthy donors and 72 patients, and evaluated 43 cell morphology parameters from Unicel DxH800 (Beckman Coulter, USA) and Advia 2120i (Siemens Healthcare Diagnostics, USA). The correlation of each parameter with the CD34+ cell count in pre-apheresis blood samples was analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28318590/supplementation-with-rumen-protected-methionine-or-choline-during-the-transition-period-influences-whole-blood-immune-response-in-periparturient-dairy-cows
#9
M Vailati-Riboni, Z Zhou, C B Jacometo, A Minuti, E Trevisi, D N Luchini, J J Loor
Methionine, together with Lys, is the most limiting AA for milk production in dairy cows. Besides its crucial role in milk production, Met and its derivate metabolites (e.g., glutathione, taurine, polyamines) are well-known immunonutrients in nonruminants, helping support and boost immune function and activity. In the present study, the effects of Met or choline, as its precursor, were investigated using an ex vivo whole blood challenge. The study involved 33 multiparous Holstein cows (from a larger cohort with a factorial arrangement of treatments) assigned from d -21 to +30 relative to parturition to a basal control (CON) diet, CON plus rumen-protected Met (MET, Smartamine M, Adisseo NA, Alpharetta, GA) at a rate of 0...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28317464/molecular-mechanisms-of-pulmonary-response-progression-in-crystalline-silica-exposed-rats
#10
Rajendran Sellamuthu, Christina Umbright, Jenny R Roberts, Shih-Houng Young, Diana Richardson, Walter McKinney, Bean T Chen, Shengqiao Li, Michael Kashon, Pius Joseph
An understanding of the mechanisms underlying diseases is critical for their prevention. Excessive exposure to crystalline silica is a risk factor for silicosis, a potentially fatal pulmonary disease. Male Fischer 344 rats were exposed by inhalation to crystalline silica (15 mg/m(3), six hours/day, five days) and pulmonary response was determined at 44 weeks following termination of silica exposure. Additionally, global gene expression profiling in lungs and BAL cells and bioinformatic analysis of the gene expression data were done to understand the molecular mechanisms underlying the progression of pulmonary response to silica...
March 19, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28316215/-effect-of-preoperative-monocyte-lymphocyte-ratio-on-prognosis-of-patients-with-resectable-esophagogastric-junction-cancer
#11
W J Zhou, J Wu, X D Li, Q Wang, X F Ni, J T Jiang, M Ji, C P Wu
Objective: To investigate the associations between various blood test parameters including MLR (monocyte-lymphocyte ratio) and prognosis in post-operative esophagogastric junction cancer patients. Methods: We retrospectively studied the preoperative and postoperative data of 309 patients who underwent radical surgery for esophagogastric junction cancer. The relationship between MLR, neutrophil lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR) and overall survival (OS) was analyzed. Results: The cutoff values of MLR、NLR and PLR were 0...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28303535/hyaluronic-acid-based-hydrogel-coating-does-not-affect-bone-apposition-at-the-implant-surface-in-a-rabbit-model
#12
W Boot, D Gawlitta, P G J Nikkels, B Pouran, M H P van Rijen, W J A Dhert, H Ch Vogely
BACKGROUND: Uncemented orthopaedic implants rely on the bone-implant interface to provide stability, therefore it is essential that a coating does not interfere with the bone-forming processes occurring at the implant interface. In addition, local application of high concentrations of antibiotics for prophylaxis or treatment of infection may be toxic for osteoblasts and could impair bone growth. QUESTIONS/PURPOSES: In this animal study, we investigated the effect of a commercially available hydrogel, either unloaded or loaded with 2% vancomycin...
March 16, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28300869/e-selectin-inhibition-with-gmi-1271-decreases-venous-thrombosis-without-profoundly-affecting-tail-vein-bleeding-in-a-mouse-model
#13
Dorian L Culmer, Misha L Dunbar, Angela E Hawley, Suman Sood, Robert E Sigler, Peter K Henke, Thomas W Wakefield, John L Magnani, Daniel D Myers
Selectins, such as E-selectin (CD62E), function in venous thrombosis by binding and activating immune cells to initiate the coagulation cascade. GMI-1271 is a small molecule antagonist that inhibits E-selectin activity. Here we determine whether inhibition of E-selectin is sufficient to decrease acute venous thrombosis and associated inflammatory events in both prophylactic and treatment protocols without significantly affecting haemostasis. Male C57BL/6 mice underwent surgery for experimental thrombosis induction and were harvested at peak thrombus formation in our animal model, two days post induction...
March 16, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28299776/toll-like-receptors-elicit-different-recruitment-kinetics-of-monocytes-and-neutrophils-in-mouse-acute-inflammation
#14
Beat A Imhof, Stephane Jemelin, Yalin Emre
Leukocyte recruitment is an important process in combatting pathogens. The largest class of circulating leukocytes are neutrophils, which rapidly invade inflamed tissue, followed by inflammatory Ly6C(+) monocytes. Ly6C(low) monocytes patrol the endothelial wall routinely in the steady state. We recently reported early luminal recruitment of Ly6C(low) monocytes, which preceded and orchestrated neutrophil arrival and extravasation in response to TLR7/8-mediated vascular inflammation. Here we dissected the kinetics of recruitment of monocytes and neutrophils and examined the dynamics of Ly6C(low) monocytes in response to several other Toll-like receptor (TLR) agonists, using intravital confocal microscopy...
March 16, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28298924/hematological-parameters-and-hemozoin-containing-leukocytes-and-their-association-with-disease-severity-among-malaria-infected-children-a-cross-sectional-study-at-pawe-general-hospital-northwest-ethiopia
#15
Muluken Birhanu, Yaregal Asres, Wondimagegn Adissu, Tilahun Yemane, Endalew Zemene, Lealem Gedefaw
Hematological parameter changes are the most common complications in malaria. We aimed to determine the hematological parameters and hemozoin-containing leukocytes and their association with disease severity in malaria infected children aged between 1 and 15 years. A facility-based cross-sectional study was conducted at Pawe General Hospital from July 31 to December 30, 2014. Demographic and clinical data were collected using structured questionnaire. Blood specimen was collected from each study participant for hematological investigations...
2017: Interdisciplinary Perspectives on Infectious Diseases
https://www.readbyqxmd.com/read/28298076/chronic-kidney-disease-in-the-bcr-abl1-negative-myeloproliferative-neoplasm-a-single-center-retrospective-study
#16
Seung-Woo Baek, Ji Young Moon, Hyewon Ryu, Yoon-Seok Choi, Ik-Chan Song, Hyo-Jin Lee, Hwan-Jung Yun, Samyoung Kim, Deog-Yeon Jo
Background/Aims: Renal complications related to BCR-ABL1-negative myeloproliferative neoplasms (MPNs) have not been examined fully in Asian populations. Methods: We analyzed estimated glomerular filtration rate (eGFR) and its changes with time retrospectively in patients with BCR-ABL1-negative MPN from 2005 to 2015. Results: The prevalence of chronic kidney disease (CKD) was 11% (6.6% having stage 3 and 4.4% having stage 4). In a linear regression analysis of eGFR versus time (years), overall, patients showed increased eGFR (mL/min/1...
March 17, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28296774/pretreatment-hematologic-markers-as-prognostic-factors-in-patients-with-nasopharyngeal-carcinoma-a-systematic-review-and-meta-analysis
#17
Li Su, Mingwei Zhang, Weijian Zhang, Chuanshu Cai, Jinsheng Hong
BACKGROUND: Pretreatment hematologic parameters of the inflammatory response, including lymphocyte, neutrophil, and platelet counts, neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio, and platelet-to-lymphocyte ratio, have emerged as prognostic factors for patients with cancer. This systematic review and meta-analysis aimed to summarize the association between the hematologic markers and prognosis of nasopharyngeal carcinoma (NPC). METHODS: A systematic search of PubMed, Google Scholar, MEDLINE, EMBASE, Web of Science, and the Cochrane Library was conducted up to April 2016...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28296672/burn-related-dysregulation-of-inflammation-and-immunity-in-experimental-and-clinical-studies
#18
Fang Zhang, Xiao-Chen Qiu, Jun-Jie Wang, Xu-Dong Hong, Guang-Yi Wang, Zhao-Fan Xia
The purpose of this study was to evaluate burn-related variations of inflammation and immunity. Fifty-five mice were divided randomly into sham burn and burn groups. Eighty-seven hospitalized burn patients were also reviewed. In mice, neutrophils and monocytes were elevated significantly on post burn day (PBD 1). Lymphocytes were reduced on PBDs 1 and 3. Levels of serum tumor necrosis factor-α and interleukin-6 were highest on PBD 1. Interleukin-1β levels were the highest on PBD 3. On PBD 3, CD4CD25T regulatory cells/CD4 cells in spleen were higher...
March 1, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28293545/helicobacter-pylori-secreted-protein-hp1286-triggers-apoptosis-in-macrophages-via-tnf-independent-and-erk-mapk-dependent-pathways
#19
Raquel Tavares, Sushil Kumar Pathak
Macrophages constitute a powerful line of defense against H. pylori. The final disease outcome is highly dependent on the bacterial ability to modulate the effector functions of activated macrophages. Here, we report that H. pylori secreted protein HP1286 is a novel regulator of macrophage responses. Differential expression and release of HP1286 homologues were observed among H. pylori strains. Recombinant purified HP1286 (rHP1286) had the ability to bind to primary human monocyte-derived macrophages (MDM) and macrophage cell lines...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28293392/the-effect-of-hydro-ethanolic-extract-of-curcuma-longa-rhizome-and-curcumin-on-total-and-differential-wbc-and-serum-oxidant-antioxidant-biomarkers-in-rat-model-of-asthma
#20
Farzaneh Shakeri, Mohammad Soukhtanloo, Mohammad Hossein Boskabady
OBJECTIVES: The effects of Curcuma longa (C. longa) and curcumin on total and differential WBC count and oxidant, antioxidant biomarkers, in rat model of asthma were evaluated. MATERIALS AND METHODS: Total and differential WBC count in the blood, NO2, NO3, MDA, SOD, CAT and thiol levels in serum were examined in control, asthma, Asthmatic rats treated with C. longa (0.75, 1.50, and 3.00 mg/ml), curcumin (0.15, 0.30, and 0.60 mg/ml), and dexamethasone (1.25 μg/ml) rats...
February 2017: Iranian Journal of Basic Medical Sciences
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