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https://www.readbyqxmd.com/read/28647740/integrative-assessment-of-pretreatment-inflammation-nutrition-and-muscle-based-prognostic-markers-in-patients-with-muscle-invasive-bladder-cancer-undergoing-radical-cystectomy
#1
Makito Miyake, Yosuke Morizawa, Shunta Hori, Nagaaki Marugami, Kota Iida, Kenta Ohnishi, Daisuke Gotoh, Yoshihiro Tatsumi, Yasushi Nakai, Takeshi Inoue, Satoshi Anai, Kazumasa Torimoto, Katsuya Aoki, Nobumichi Tanaka, Keiji Shimada, Noboru Konishi, Kiyohide Fujimoto
OBJECTIVE: The present study evaluated the clinical relevance of an integrative preoperative assessment of inflammation-, nutrition-, and muscle-based markers for patients with muscle-invasive bladder cancer (MIBC) undergoing curative radical cystectomy (RC). METHODS: The analysis enrolled 117 patients and the variables included age, body mass index (BMI), neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, platelet-to-lymphocyte ratio, modified Glasgow Prognostic Score (mGPS), prognostic nutritional index (PNI), Controlling Nutritional Status score, psoas muscle index (PMI), and peak expiratory flow (PEF)...
June 24, 2017: Oncology
https://www.readbyqxmd.com/read/28647398/immune-modulatory-effects-of-syncytiotrophoblast-extracellular-vesicles-in-pregnancy-and-preeclampsia
#2
Claudia Göhner, Torsten Plösch, Marijke M Faas
Unique immunologic adaptations exist to successfully establish and maintain pregnancy and to avoid an immune attack against the semi allogenic fetus. These adaptations occur both locally at the maternofetal interface and in the peripheral circulation and affect the innate as well as the adaptive immune system. Pregnancy is characterized by a general inflammatory state with activation of monocytes and granulocytes, but also with suppressive lymphocytes (regulatory T cells), and skewing towards T helper 2 immunity...
June 7, 2017: Placenta
https://www.readbyqxmd.com/read/28647347/differential-activation-of-human-keratinocytes-by-leishmania-spp-causing-localized-or-disseminated-disease
#3
Breanna M Scorza, Mark A Wacker, Kelly Messingham, Peter Kim, Aloysius Klingelhutz, Janet Fairley, Mary E Wilson
All Leishmania spp. parasites are introduced into mammalian skin through a sand fly bite, but different species cause distinct clinical outcomes. Mouse studies suggest early responses are critical determinants of subsequent adaptive immunity in leishmaniasis, yet few studies address the role of keratinocytes, the most abundant cell in the epidermis. We hypothesized Leishmania infection causes keratinocytes to produce immunomodulatory factors that influence the outcome of infection. Incubation of primary or immortalized human keratinocytes with Leishmania infantum or Leishmania major, which cause visceral or cutaneous leishmaniasis, respectively, elicited dramatically different responses...
June 21, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28647326/effect-of-prepartum-energy-balance-on-neutrophil-function-following-pegbovigrastim-treatment-in-periparturient-cows
#4
S McDougall, S J LeBlanc, A Heiser
Treatment with granulocyte colony-stimulating factor (G-CSF) increases polymorphonuclear cell (neutrophil) count and enhances neutrophil function in the periparturient cow. Prepartum undernutrition was hypothesized to reduce the effect of a commercially available recombinant bovine G-CSF product (pegbovigrastim) on neutrophil count and function. Hence this study was undertaken to test the effect of undernutrition for approximately 1 mo before calving on the innate immune response to pegbovigrastim. Cows (n = 99) on pasture were blocked by expected calving date and body condition score and randomly assigned in a 2 × 2 factorial design...
June 21, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28646757/discovery-and-structure-activity-relationship-studies-of-2-benzylidene-2-3-dihydro-1h-inden-1-one-and-benzofuran-3-2h-one-derivatives-as-a-novel-class-of-potential-therapeutics-for-inflammatory-bowel-disease
#5
Tara Man Kadayat, Suhrid Banskota, Pallavi Gurung, Ganesh Bist, Til Bahadur Thapa Magar, Aarajana Shrestha, Jung-Ae Kim, Eung-Seok Lee
To develop effective therapeutics for inflammatory bowel disease (IBD), 2-benzylidene-2,3-dihydro-1H-inden-1-one and benzofuran-3(2H)-one derivatives, were designed and synthesized and their structure-activity relationships (SAR) were investigated. Compounds 7, 25, 26, 32, 39, 41, 52, 54, and 55 showed potent inhibitory effect (>70%) on the TNF-α-induced adhesion of monocytes to colon epithelial cells, which is one of the hallmark events leading to IBD. Such inhibitory activity of the compounds correlated with their suppressive activities against the TNF-α-induced production of ROS; ICAM-1 and MCP-1 expression, critical molecules involved in monocyte-epithelial adhesion; and NF-κB transcriptional activity...
June 10, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28646630/characteristics-of-systemic-inflammation-in-hepatitis-b-precipitated-aclf-differentiate-it-from-no-aclf
#6
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/28646583/sebum-lipids-influence-macrophage-polarization-and-activation
#7
M Lovászi, M Mattii, K Eyerich, Attila Gácsi, Erzsébet Csányi, D Kovács, R Rühl, A Szegedi, L Kemény, M Ståhle, C C Zouboulis, S Eyerich, D Törőcsik
BACKGROUND: As lipids are known to regulate macrophage functions it is reasonable to suppose that a sebocyte - macrophage axis mediated by sebum lipids may exist. OBJECTIVE: To investigate if sebocytes could contribute to the differentiation, polarization and function of macrophages with their secreted lipids. METHODS: Oil-red-O lipid staining and Raman spectroscopy were used to assess the dermal lipid content and penetration. Immunohistochemistry was used to analyse the macrophage subsets...
June 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28646220/angiotensin-ii-synergizes-with-baff-to-promote-atheroprotective-regulatory-b-cells
#8
Padmapriya Ponnuswamy, Jeremie Joffre, Olivier Herbin, Bruno Esposito, Ludivine Laurans, Christoph J Binder, Thomas F Tedder, Lynda Zeboudj, Xavier Loyer, Andreas Giraud, Yujiao Zhang, Alain Tedgui, Ziad Mallat, Hafid Ait-Oufella
Angiotensin II (AngII) promotes hypertension, atherogenesis, vascular aneurysm and impairs post-ischemic cardiac remodeling through concerted roles on vascular cells, monocytes and T lymphocytes. However, the role of AngII in B lymphocyte responses is largely unexplored. Here, we show that chronic B cell depletion (Baffr deficiency) significantly reduces atherosclerosis in Apoe (-/-) mice infused with AngII. While adoptive transfer of B cells in Apoe (-/-) /Baffr (-/-) mice reversed atheroprotection in the absence of AngII, infusion of AngII in B cell replenished Apoe (-/-) /Baffr (-/-) mice unexpectedly prevented the progression of atherosclerosis...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646140/effect-of-dietary-advanced-glycation-end-products-on-inflammation-and-cardiovascular-risks-in-healthy-overweight-adults-a-randomised-crossover-trial
#9
Estifanos Baye, Maximilian Pj de Courten, Karen Walker, Sanjeeva Ranasinha, Arul Earnest, Josephine M Forbes, Barbora de Courten
Diets high in advanced glycation end products (AGEs) are thought to be detrimental to cardiovascular health. However, there remains uncertainty about the beneficial effect of a low AGE diet on cardiovascular risk factors and inflammatory markers in overweight individuals. We thus performed a randomised, double blind, crossover trial to determine whether consumption of low AGE diets reduce inflammation and cardiovascular risks in overweight and obese otherwise healthy adults. All participants (n = 20) consumed low and high AGE diets alternately for two weeks and separated by a four week washout period...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646138/uniting-the-neuro-developmental-and-immunological-hypotheses-neuregulin-1-receptor-erbb-and-toll-like-receptor-activation-in-first-episode-schizophrenia
#10
Szabolcs Kéri, Csilla Szabó, Oguz Kelemen
Current pathophysiological models of schizophrenia focus on neurodevelopmental and immunological mechanisms. We investigated a molecular pathway traditionally linked to the neurodevelopmental hypothesis (neuregulin 1 - ErbB), and pathogen-associated pattern recognition receptors associated with the immune hypothesis (Toll-like receptors, TLRs). We recruited 42 first-episode, drug-naïve patients with schizophrenia and 42 matched healthy control subjects. In monocytes TLR4/TLR5 and ErbB expressions were measured with flow-cytometry...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646109/bone-morphogenetic-protein-bmp-9-and-bmp10-enhance-tumor-necrosis-factor-%C3%AE-induced-monocyte-recruitment-to-the-vascular-endothelium-mainly-via-activin-receptor-like-kinase-2
#11
Claudia-Gabriela Mitrofan, Sarah L Appleby, Gerard B Nash, Ziad Mallat, Edwin R Chilvers, Paul D Upton, Nicholas W Morrell
Bone morphogenetic proteins 9 and 10 (BMP9/BMP10) are circulating cytokines with important roles in endothelial homeostasis. The aim of this study was to investigate the roles of BMP9 and BMP10 in mediating monocyte-endothelial interactions using an in vitro flow adhesion assay. Herein, we report that while BMP9/BMP10 alone had no effect on monocyte recruitment, at higher concentrations both cytokines synergised with Tumor necrosis factor-α (TNFα) to increase recruitment to the vascular endothelium. The BMP9/BMP10-mediated increase in monocyte recruitment in the presence of TNFα was associated with upregulated expression levels of E-selectin, VCAM-1 and ICAM-1 on endothelial cells...
June 23, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28646039/monocyte-adhesion-migration-and-extracellular-matrix-breakdown-is-regulated-by-integrin-%C3%AE-v%C3%AE-3-in-mycobacterium-tuberculosis-infection
#12
Sara Brilha, Riccardo Wysoczanski, Ashley M Whittington, Jon S Friedland, Joanna C Porter
In tuberculosis (TB), the innate inflammatory immune response drives tissue destruction, morbidity, and mortality. Monocytes secrete matrix metalloproteinases (MMPs), which have key roles in local tissue destruction and cavitation. We hypothesized that integrin signaling might regulate monocyte MMP secretion in pulmonary TB during cell adhesion to the extracellular matrix (ECM). Adhesion to type I collagen and fibronectin by Mycobacterium tuberculosis-stimulated monocytes increased MMP-1 gene expression by 2...
June 23, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28646022/nf1-hematopoietic-cells-accelerate-malignant-peripheral-nerve-sheath-tumor-development-without-altering-chemotherapy-response
#13
Rebecca D Dodd, Chang-Lung Lee, Tess Overton, Wesley Huang, William C Eward, Lixia Luo, Yan Ma, Davis R Ingram, Keila E Torres, Diana M Cardona, Alexander Lazar, David G Kirsch
Haploinsufficiency in the tumor suppressor NF1 contributes to the pathobiology of type 1 neurofibromatosis, but a related role has not been established in malignant peripheral nerve sheath tumors (MPNST) where NF1 mutations also occur. Patients with NF1-associated MPNST appear to have worse outcomes than patients with sporadic MPNST, but the mechanism underlying this correlation is not understood. To define the impact of stromal genetics on the biology of this malignancy, we developed unique mouse models that reflect the genetics of patient-associated MPNST...
June 23, 2017: Cancer Research
https://www.readbyqxmd.com/read/28645655/5-lipoxygenase-in-monocytes-emerges-as-a-therapeutic-target-for-intimal-hyperplasia-in-a-murine-wire-injured-femoral-artery
#14
Seung Eun Baek, Min A Jang, Seung Jin Lee, So Youn Park, Sun Sik Bae, Chi Dae Kim
Given the importance of leukotrienes in vascular inflammation induced by local tissue injury, this study investigated the role for 5-lipoxygenase (5-LO) in monocytes in the development of intimal hyperplasia. As a mechanistic study, the importance of monocyte 5-LO in monocyte-macrophage differentiation with subsequent infiltration in neointima was evaluated. In a mouse model of wire-injured femoral artery, intimal hyperplasia started as early as 2 wks after injury, and luminal area and blood flow were reduced due to increased neointima formation...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645652/androgen-inhibits-key-atherosclerotic-processes-by-directly-activating-adtrp-transcription
#15
Chunyan Luo, Elisabeth Pook, Bo Tang, Weiyi Zhang, Sisi Li, Kirsten Leineweber, Shing-Hu Cheung, Qiuyun Chen, Martin Bechem, Jing-Shan Hu, Volker Laux, Qing Kenneth Wang
Low androgen levels are associated with an increased risk of coronary artery disease (CAD), thrombosis and myocardial infarction (MI), suggesting that androgen has a protective role. However, little is known about the underlying molecular mechanism. Our genome-wide association study identified the ADTRP gene encoding the androgen-dependent TFPI regulating protein as a susceptibility gene for CAD and MI. The expression level of ADTRP was regulated by androgen, but the molecular mechanism is unknown. In this study, we identified the molecular mechanism by which androgen regulates ADTRP expression and tested the hypothesis that androgen plays a protective role in cardiovascular disease by activating ADTRP expression...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645275/rapid-monocyte-infiltration-following-retinal-detachment-is-dependent-on-non-canonical-il6-signaling-through-gp130
#16
Xinlei Wang, Eric B Miller, Mayank Goswami, Pengfei Zhang, Kaitryn E Ronning, Sarah J Karlen, Robert J Zawadzki, Edward N Pugh, Marie E Burns
BACKGROUND: Retinal detachment (RD) can lead to proliferative vitreoretinopathy (PVR), a leading cause of intractable vision loss. PVR is associated with a cytokine storm involving common proinflammatory molecules like IL6, but little is known about the source and downstream signaling of IL6 and the consequences for the retina. Here, we investigated the early immune response and resultant cytokine signaling following RD in mice. METHODS: RD was induced in C57BL/6 J and IL6 knockout mice, and the resulting inflammatory response was examined using immunohistochemistry and flow cytometry...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28645263/microbiota-dependent-metabolite-and-cardiovascular-disease-marker-trimethylamine-n-oxide-tmao-is-associated-with-monocyte-activation-but-not-platelet-function-in-untreated-hiv-infection
#17
Judith M Haissman, Anna K Haugaard, Sisse R Ostrowski, Rolf K Berge, Johannes R Hov, Marius Trøseid, Susanne D Nielsen
BACKGROUND: HIV infection is associated with increased risk of cardiovascular disease beyond that explained by traditional risk factors. Altered gut microbiota, microbial translocation, and immune activation have been proposed as potential triggers. The microbiota-dependent metabolite trimethylamine-N-oxide (TMAO) predicts myocardial infarction (MI) in the general population and has recently been shown to induce platelet hyperreactivity. In the present study, we investigated if TMAO was associated with platelet function, microbial translocation, and immune activation in both untreated and combination anti-retroviral therapy (cART) HIV infection...
June 23, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28644974/immature-human-dcs-efficiently-translocate-endocytosed-antigens-into-the-cytosol-for-proteasomal-processing
#18
Renato B Baleeiro, Peter Walden
Cross-presentation of endocytosed antigen is essential for induction of CD8 effector T cell responses and a hallmark of dendritic cells (DCs). The mode of antigen processing in this context is controversial and some models imply translocation of the antigen from the endosomes into the cytosol. To test this hypothesis we made use of the pro-apoptotic properties of cytochrome c when in the cytosol, and confirmed that it indeed triggered apoptosis of human immature DCs but only at high concentrations. Proteasome inhibitors reduced the required concentration of cytochrome c thousand-fold, indicating that protein translocated into the cytosol is rapidly degraded by proteasomes...
June 20, 2017: Molecular Immunology
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
#19
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/28644409/quercetin-protects-obesity-induced-hypothalamic-inflammation-by-reducing-microglia-mediated-inflammatory-responses-via-ho-1-induction
#20
Jihyeon Yang, Chu-Sook Kim, Thai Hien Tu, Min-Seon Kim, Tsuyoshi Goto, Teruo Kawada, Myung-Sook Choi, Taesun Park, Mi-Kyung Sung, Jong Won Yun, Suck-Young Choe, Jee Hye Lee, Yeonsoo Joe, Hye-Seon Choi, Sung Hoon Back, Hun Taeg Chung, Rina Yu
Obesity-induced hypothalamic inflammation is characterized by activation of microglia, which are resident macrophages of the central nervous system, and is implicated in the derangement of energy homeostasis, metabolic complications, and neurodegenerative diseases. Quercetin, a naturally occurring flavonoid, is known to protect against oxidative stress and inflammation-related metabolic complications. Here, we demonstrate that quercetin reduces obesity-induced hypothalamic inflammation by inhibiting microglia-mediated inflammatory responses, and the beneficial action of quercetin is associated with heme oxygenase (HO-1) induction...
June 23, 2017: Nutrients
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