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https://www.readbyqxmd.com/read/28224166/routine-laboratory-parameter-dynamics-and-laboratory-adverse-events-in-psoriasis-patients-on-long-term-treatment-with-adalimumab-etanercept-and-ustekinumab
#1
Jochen H Hoffmann, Christian Knoop, Alexander H Enk, Eva N Hadaschik
Only limited data on laboratory parameter dynamics and safety under prolonged biologic treatment in a "real-world" scenario are available for recommendations on screening and monitoring. This study is a retrospective analysis of routine parameter dynamics and laboratory adverse events (LAE) in psoriasis patients on long-term treatment (n = 199) with tumour necrosis factor (TNF)-α-antagonists (adalimumab, etanercept), and the interleukin (IL)12/23-antagonist ustekinumab. Overall, neutrophil (PMN) counts (-11%) and triglycerides (+9%) changed considerably...
February 22, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28219886/dependence-of-glomerulonephritis-induction-on-novel-intraglomerular-alternatively-activated-bone-marrow-derived-macrophages-and-mac-1-and-pd-l1-in-lupus-prone-nzm2328-mice
#2
Sun-Sang J Sung, Yan Ge, Chao Dai, Hongyang Wang, Shu Man Fu, Rahul Sharma, Young S Hahn, Jing Yu, Thu H Le, Mark D Okusa, Warren K Bolton, Jessica R Lawler
Glomerular damage mediated by glomerulus-infiltrating myeloid-derived cells is a key pathogenic event in lupus nephritis (LN), but the process is poorly understood. Confocal microscopy of kidney sections and flow cytometry analysis of glomerular cells from magnetic bead-purified glomeruli have identified glomerulus-infiltrating leukocyte populations in NZM2328 (NZM) lupus-prone mice with spontaneous chronic glomerulonephritis (GN) and anti-glomerular basement membrane-induced nephritis. The occurrence of a major glomerulus-infiltrating CD11b(+)F4/80(-)I-A(-) macrophage population exhibiting the markers programmed death ligand-1 (PD-L1), Mac-2, and macrophage mannose receptor (CD206) and producing Klf4, Il10, Retnla, Tnf, and Il6 mRNA, which are known to be expressed by alternatively activated (M2b) macrophages, correlated with proteinuria status...
February 20, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28215688/oxytocin-treatment-does-not-change-cardiovascular-parameters-hematology-and-plasma-electrolytes-in-parturient-horse-mares
#3
Christina Nagel, Lisa Trenk, Manuela Wulf, Natascha Ille, Jörg Aurich, Christine Aurich
In mares, foaling is associated with changes in hematology, plasma electrolytes, blood pressure and heart rate and it has been hypothesized that these are induced by oxytocin. To test this hypothesis, mares (n = 8-14/group) were treated with oxytocin (OT; 20 I.U.) or saline (CON) at 1 h (test A) and 12 h after foaling (test B) and during first postpartum diestrus (test C). Heart rate, heart rate variability (HRV), atrioventricular blocks, salivary cortisol concentration, blood pressure, plasma electrolytes and blood count were determined...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28198368/tlr4-signaling-induces-tlr3-up-regulation-in-alveolar-macrophages-during-acute-lung-injury
#4
Xibing Ding, Shuqing Jin, Yao Tong, Xi Jiang, Zhixia Chen, Shuya Mei, Liming Zhang, Timothy R Billiar, Quan Li
Acute lung injury is a life-threatening inflammatory response caused by severe infection. Toll-like receptors in alveolar macrophages (AMΦ) recognize the molecular constituents of pathogens and activate the host's innate immune responses. Numerous studies have documented the importance of TLR-TLR cross talk, but few studies have specifically addressed the relationship between TLR4 and TLR3. We explored a novel mechanism of TLR3 up-regulation that is induced by LPS-TLR4 signaling in a dose- and time-dependent manner in AMΦ from C57BL/6 mice, while the LPS-induced TLR3 expression was significantly reduced in TLR4(-/-) and Myd88(-/-) mice and following pretreatment with a NF-κB inhibitor...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194213/predictive-factors-of-resistance-to-intravenous-immunoglobulin-and-coronary-artery-lesions-in-kawasaki-disease
#5
Hye Young Lee, Min Seob Song
PURPOSE: We conducted a study to determine which factors may be useful as predictive markers in identifying Kawasaki disease (KD) patients with a high risk of resistance to intravenous immunoglobulin (IVIG) and developing coronary artery lesions (CAL). METHODS: We enrolled 287 patients in acute phase of KD at a single center. The demographic, clinical and laboratory data were collected retrospectively. RESULTS: There were 34 patients in the IVIG resistant group...
December 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28189055/the-protective-effect-of-dopamine-on-ventilator-induced-lung-injury-via-the-inhibition-of-nlrp3-inflammasome
#6
Xiaomei Yang, Xiaotong Sun, Hongli Chen, Guangmin Xi, Yonghao Hou, Jianbo Wu, Dejie Liu, Huanliang Wang, Yuedong Hou, Jingui Yu
Dopamine (DA), a neurotransmitter, was previously shown to have anti-inflammatory effects. However, its role in ventilator-induced lung injury (VILI) has not been explicitly demonstrated. This study aimed to investigate the therapeutic efficacy and molecular mechanisms of dopamine in VILI. Rats were treated with dopamine during mechanical ventilation. Afterwards, the influence of dopamine on histological changes, pulmonary edema, the lung wet/dry (W/D) ratio, myeloperoxidase (MPO) activity, polymorphonuclear(PMN)counts, inflammatory cytokine levels, and NLRP3 inflammasome protein expression were examined...
February 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28188248/the-pivotal-role-of-cxcr7-in-stabilization-of-the-pulmonary-epithelial-barrier-in-acute-pulmonary-inflammation
#7
Kristian-Christos Ngamsri, Anika Müller, Hans Bösmüller, Jutta Gamper-Tsigaras, Jörg Reutershan, Franziska M Konrad
Acute pulmonary inflammation is still a frightening complication in intensive care units and has a high mortality. Specific treatment is not available, and many details of the pathomechanism remain unclear. The recently discovered chemokine receptor CXCR7 and its ligand stromal cell-derived factor (SDF)-1 are known to be involved in inflammation. We chose to investigate the detailed role of CXCR7 in a murine model of LPS inhalation. Inflammation increased pulmonary expression of CXCR7, and the receptor was predominantly expressed on pulmonary epithelium and on polymorphonuclear neutrophil (PMNs) after transepithelial migration into the alveolar space...
February 10, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28179554/are-there-multiple-kinds-of-episodic-memory-an-fmri-investigation-comparing-autobiographical-and-recognition-memory-tasks
#8
Hung-Yu Chen, Adrian W Gilmore, Steven M Nelson, Kathleen B McDermott
What brain regions underlie retrieval from episodic memory? The bulk of research addressing this question with fMRI has relied upon recognition memory for materials encoded within the laboratory. Another, less dominant tradition has employed autobiographical methods, whereby people recall events from their lifetime, often after being cued with words or pictures. The current study addressed how the neural substrates of successful memory retrieval differ as a function of the targeted memory when the experimental parameters were held constant in the two conditions (except for instructions)...
February 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28163154/differential-reactive-oxygen-species-production-of-neutrophils-and-their-oxidative-damage-in-patients-with-active-and-inactive-systemic-lupus-erythematosus
#9
Nesrine Elloumi, Riadh Ben Mansour, Sameh Marzouk, Malek Mseddi, Raouia Fakhfakh, Bochra Gargouri, Hatem Masmoudi, Saloua Lassoued
OBJECTIVE: Increasing interest is given to the involvement of the innate immunity and especially Polymorphonuclear neutrophils (PMN) in the physiopathological process of inflammatory diseases such as systemic lupus erythematosus (SLE). Here, we investigated the oxidative burst and damages in SLE patients neutrophils, considering the two phases of the disease, the active and the remission/inactive states. METHODS: This study was conducted on 30 SLE patients and 23 healthy controls...
February 3, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28161477/sequential-transmigration-of-polymorphonuclear-cells-and-naive-cd3-t-lymphocytes-across-the-blood-cerebrospinal-fluid-barrier-in-vitro-following-infection-with-echovirus-30
#10
Tobias Dahm, Franziska Frank, Ortwin Adams, Holger A Lindner, Hiroshi Ishikawa, Christel Weiss, Christian Schwerk, Horst Schroten, Tobias Tenenbaum, Henriette Rudolph
Viral meningitis by non-polio enteroviruses (NPEV) is a major public health burden causing fatal outcomes especially in the younger population. Strong evidence exists that the blood-cerebrospinal-fluid (CSF) barrier (BCSFB) serves as an entry point for enterovirus and leucocytes into the central nervous system (CNS). Moreover, analysis of clinical CSF specimens of patients with a NPEV infection revealed a predominance of polymorphonuclear granulocytes (PMN) in the early phase and mononuclear cells in the later course of meningitis...
February 1, 2017: Virus Research
https://www.readbyqxmd.com/read/28160854/the-anti-inflammatory-effects-of-n-methyl-2s-4r-trans-4-hydroxy-l-proline-from-syderoxylon-obtusifolium-are-related-to-its-inhibition-of-tnf-alpha-and-inflammatory-enzymes
#11
Pedro Everson Alexandre de Aquino, Talita Rocha Magalhães, Lucas Antônio Duarte Nicolau, Luzia Kalyne A Moreira Leal, Nayara Coriolano de Aquino, Sabrina Matias Dos Santos, Kelly Rose Tavares Neves, Edilberto Rocha Silveira, Glauce Socorro de Barros Viana
BACKGROUND: Sideroxylon obtusifolium (Roem. & Schult.) T.D. Penn., Sapotaceae family, is a medicinal species native to the Brazilian Northeastern region. The plant is popularly used as an anti-inflammatory and hypoglycemic. PURPOSE: To evaluate the anti-inflammatory properties of the N-methyl-(2S,4R)-trans-4-hydroxy-l-proline (NMP) from S. obtusifolium leaves in models of inflammation and to clarify its action mechanisms. METHODS: Male Swiss mice were distributed intocontrols and groups treated with NMP (25, 50 and 100mg/kg, p...
January 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28140447/myeloid-derived-suppressor-cells-mediate-tolerance-induction-in-autoimmune-disease
#12
Anja Wegner, Johan Verhagen, David C Wraith
In multiple sclerosis (MS) T cells aberrantly recognise self-peptides of the myelin sheath and attack the central nervous system (CNS). Antigen-specific peptide immunotherapy, which aims to restore tolerance while avoiding the use of non-specific immunosuppressive drugs, is a promising approach to combat autoimmune disease, but the cellular mechanisms behind successful therapy remain poorly understood. Myeloid-derived suppressor cells (MDSCs) have been studied intensively in the field of cancer and to a lesser extent in autoimmunity...
January 31, 2017: Immunology
https://www.readbyqxmd.com/read/28135898/going-live-with-tumor-exosomes-and-microvesicles
#13
Vincent Hyenne, Olivier Lefebvre, Jacky G Goetz
Tumor extracellular vesicles (EVs), including exosomes, emerged as key drivers of the pro-tumorigenic dialog between the tumor mass and its microenvironment by mediating long and short distance communication. In vitro studies defined the capacity of tumor EVs to modify the phenotypes of stromal and tumor cells. These studies are now supported by a growing number of functional in vivo experiments. Remarkably, they allowed the identification of a new role for tumor EVs in priming the pre-metastatic niches (PMN)...
January 31, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28114589/murine-corneal-inflammation-and-nerve-damage-after-infection-with-hsv-1-are-promoted-by-hvem-and-ameliorated-by-immune-modifying-nanoparticle-therapy
#14
Rebecca G Edwards, Sarah J Kopp, Igal Ifergan, Jr-Wen Shui, Mitchell Kronenberg, Stephen D Miller, Richard Longnecker
Purpose: To determine cellular and temporal expression patterns of herpes virus entry mediator (HVEM, Tnfrsf14) in the murine cornea during the course of herpes simplex virus 1 (HSV-1) infection, the impact of this expression on pathogenesis, and whether alterations in HVEM or downstream HVEM-mediated effects ameliorate corneal disease. Methods: Corneal HVEM levels were assessed in C57BL/6 mice after infection with HSV-1(17). Leukocytic infiltrates and corneal sensitivity loss were measured in the presence, global absence (HVEM knockout [KO] mice; Tnfrsf14-/-), or partial absence of HVEM (HVEM conditional KO)...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28111148/a-gradient-in-synaptic-strength-and-plasticity-among-motoneurons-provides-a-peripheral-mechanism-for-locomotor-control
#15
Wei-Chun Wang, Paul Brehm
The recruitment of motoneurons during force generation follows a general pattern that has been confirmed across diverse species [1-3]. Motoneurons are recruited systematically according to synaptic inputs and intrinsic cellular properties and corresponding to movements of different intensities. However, much less is known about the output properties of individual motoneurons and how they affect the translation of motoneuron recruitment to the strength of muscle contractions. In larval zebrafish, spinal motoneurons are recruited in a topographic gradient according to their input resistance (Rin) at different swimming strengths and speeds...
February 6, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28109094/-lactobacillus-rhamnosus-gg-conditioned-medium-prevents-e-coli-meningitis-by-inhibiting-nuclear-factor-%C3%AE%C2%BAb-pathway
#16
Qing Zeng, Xiao-Long He, Han-Sheng Xiao, Lei DU, Yu-Jing Li, Le-Cheng Chen, Hui-Wen Tian, Sheng-He Huang, Hong Cao
OBJECTIVE: To investigate whether Lactobacillus rhamnosus GG conditioned medium(LGG-CM)has preventive effect against E. coli K1-induced neuropathogenicity in vitro by inhibiting nuclear factor-κB (NF-κB) signaling pathway. METHODS: An in vitro blood-brain barrier (BBB) model was constructed using human brain microvascular endothelial cells (HBMECs). The effect of LGG-CM on E. coli-actived NF-κB signaling pathway was assayed using Western blotting. Invasion assay and polymorphonuclear leukocyte (PMN) transmigration assay were performed to explore whether LGG-CM could inhibit E...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108745/leukocyte-esterase-as-a-biomarker-in-the-diagnosis-of-periprosthetic-joint-infection
#17
Chi Wang, Rui Li, Qi Wang, Jinyan Duan, Chengbin Wang
BACKGROUND Total joint arthroplasty (TJA) has been one of the most rewarding interventions for treating patients suffering from joint disorders. However, periprosthetic joint infection (PJI) is a serious complication that frequently accompanies TJA. Our study aimed to investigate the application of the leukocyte esterase (LE) strip in the diagnosis of PJI. MATERIAL AND METHODS From October 2014 to July 2015, 72 patients who had undergone joint puncture after arthroplasty in our hospital were enrolled in this trial...
January 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28077740/the-jarisch-herxheimer-reaction-after-antibiotic-treatment-of-spirochetal-infections-a-review-of-recent-cases-and-our-understanding-of-pathogenesis
#18
REVIEW
Thomas Butler
Within 24 hours after antibiotic treatment of the spirochetal infections syphilis, Lyme disease, leptospirosis, and relapsing fever (RF), patients experience shaking chills, a rise in temperature, and intensification of skin rashes known as the Jarisch-Herxheimer reaction (JHR) with symptoms resolving a few hours later. Case reports indicate that the JHR can also include uterine contractions in pregnancy, worsening liver and renal function, acute respiratory distress syndrome, myocardial injury, hypotension, meningitis, alterations in consciousness, seizures, and strokes...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077302/neutrophil-adhesion-and-crawling-dynamics-on-liver-sinusoidal-endothelial-cells-under-shear-flow
#19
Hao Yang, Ning Li, Yu Du, Chunfang Tong, Shouqin Lü, Jinrong Hu, Yan Zhang, Mian Long
Neutrophil (polymorphonuclear leukocyte, PMN) recruitment in the liver sinusoid takes place in almost all liver diseases and contributes to pathogen clearance or tissue damage. While PMN rolling unlikely appears in liver sinusoids and Mac-1 or CD44 is assumed to play respective roles during in vivo local or systematic inflammatory stimulation, the regulating mechanisms of PMN adhesion and crawling dynamics are still unclear from those in vivo studies. Here we developed a two-dimensional in vitro sinusoidal model with primary liver sinusoidal endothelial cells (LSECs) and Kupffer cells (KCs) to investigate TNF-α-induced PMN recruitment under shear flow...
January 9, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28076241/phenotypic-and-functional-characteristics-of-hla-dr-neutrophils-in-brazilians-with-cutaneous-leishmaniasis
#20
Richard E Davis, Smriti Sharma, Jacilara Conceição, Pedro Carneiro, Fernanda Novais, Phillip Scott, Shyam Sundar, Olivia Bacellar, Edgar M Carvalho, Mary E Wilson
The protozoan Leishmania braziliensis causes cutaneous leishmaniasis (CL) in endemic regions. In murine models, neutrophils (PMNs) are recruited to the site of infection soon after parasite inoculation. However, the roles of neutrophils during chronic infection and in human disease remain undefined. We hypothesized that neutrophils help maintain a systemic inflammatory state in subjects with CL. Lesion biopsies from all patients with CL tested contained neutrophils expressing HLA-DR, a molecule thought to be restricted to professional antigen-presenting cells...
October 17, 2016: Journal of Leukocyte Biology
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