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https://www.readbyqxmd.com/read/28219220/-clinical-significance-of-expressions-of-evi1-and-bre-genes-in-47-acute-leukemia-patients-with-mll-rearrangement
#1
Y L Gong, J R Zhang, J Zhang, S X Bai, J N Cen, H J Shen, H Y Chou, S N Chen, J L Pan
Objective: To investigate the overexpression frequencies of BRE and EVI1, the correlation between BRE and EVI1 expressions and their possible clinical implications in 11q23/MLL rearrangement acute leukemia. Methods: Cytogenetic examination of bone marrow cells was performed by short-term culture method. R-banding technique was used for karyotype analysis. 47 patients were detected by interphase fluorescence in situ hybridization (FISH) with dual-color break apart MLL probe. The expressions of EVI1 and BRE genes were detected by real time quantitative reverse transcription polymerase chain reaction (RQ-PCR) ...
January 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28216665/interleukin-10-inhibits-pro-inflammatory-cytokine-responses-and-killing-of-burkholderia-pseudomallei
#2
Bianca Kessler, Darawan Rinchai, Chidchamai Kewcharoenwong, Arnone Nithichanon, Rachael Biggart, Catherine M Hawrylowicz, Gregory J Bancroft, Ganjana Lertmemongkolchai
Melioidosis, caused by Burkholderia pseudomallei, is endemic in northeastern Thailand and Northern Australia. Severe septicemic melioidosis is associated with high levels of pro-inflammatory cytokines and is correlated with poor clinical outcomes. IL-10 is an immunoregulatory cytokine, which in other infections can control the expression of pro-inflammatory cytokines, but its role in melioidosis has not been addressed. Here, whole blood of healthy seropositive individuals (n = 75), living in N. E. Thailand was co-cultured with B...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28216642/high-fat-meal-systemic-inflammation-and-glucose-homeostasis-in-obese-children-and-adolescents
#3
A Morandi, E Fornari, F Opri, M Corradi, M Tommasi, R Bonadonna, C Maffeis
We aimed to assess in obese youths the relationships between interleukin 6 (IL-6), fat-meal induced endotoxemia and glucose homeostasis. Twenty obese children/adolescents (9-17 years old, 11 boys) underwent a standard OGTT and, 7-14 days later, a 5-hour fat meal test (fat=69% of energy, SFA/MUFA/PUFA=31.5%/35%/33.5%), with serial measures of IL-6 and two markers of lipopolysaccharide (LPS) exposure and translocation, LPS-binding protein (LBP) and soluble CD14 (sCD14). IL-6 correlated not only with basal (HOMA-IR) but also with post-prandial (Matsuda-index) insulin sensitivity (r=0...
February 20, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28213979/mmp-2-and-mmp-14-silencing-inhibits-vegfr2-cleavage-and-induces-the-differentiation-of-porcine-adipose-derived-mesenchymal-stem-cells-to-endothelial-cells
#4
Sami G Almalki, Yovani Llamas Valle, Devendra K Agrawal
The molecular mechanisms that control the ability of adipose-derived mesenchymal stem cells (AMSCs) to remodel three-dimensional extracellular matrix barriers during differentiation are not clearly understood. Herein, we studied the expression of matrix metalloproteinases (MMPs) during the differentiation of AMSCs to endothelial cells (ECs) in vitro. MSCs were isolated from porcine abdominal adipose tissue, and characterized by immunopositivity to CD44, CD90, CD105, and immunonegativity to CD14 and CD45. Plasticity of AMSCs was confirmed by multilineage differentiation...
February 18, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28213472/%C3%AE-2-microglobulin-participates-in-development-of-lung-emphysema-by-inducing-lung-epithelial-cells-senescence
#5
Na Gao, Ying Wang, Chun-Ming Zheng, Yan-Li Gao, Hui Li, Yan Li, Ting-Ting Fu, Li-Li Xu, Wei Wang, Sun Ying, Kewu Huang
β2-microglobulin (β2m), the light chain of major histocompatibility complex class 1 (MHC I), has been identified as a pro-aging factors and involved in the pathogenesis of neurodegenerative disorders by driving cognitive and regenerative impairments. However, little attention has focused on the effect of β2m in development of lung emphysema. Here, we found that concentrations of β2m in plasma were significantly elevated in patients with lung emphysema than those in normal control subjects (1.89 ± 0.12 mg/l vs 1...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28211096/monocyte-and-lymphocyte-surface-molecules-in-severe-sepsis-and-non-septic-critically-ill-patients
#6
Joel Jämsä, Hannu Syrjälä, Virva Huotari, Eeva-Riitta Savolainen, Tero Ala-Kokko
The aim of the present study was to investigate whether expression of monocyte and lymphocyte surface molecules differs between patients with severe sepsis and non-septic patients treated in the intensive care unit (ICU). The expression of monocyte CD14, CD40, CD80 and HLA-DR, and lymphocyte CD69 were analyzed using quantitative flow cytometry on three consecutive days in 27 patients with severe sepsis and in 15 non-septic patients. Receiver operating characteristic analyses were performed and each corresponding area under the curve (AUC) was determined...
February 17, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28208835/increased-serum-cd14-level-is-associated-with-depletion-of-tnf-%C3%AE-in-monocytes-in-migraine-patients-during-interictal-period
#7
Slawomir Michalak, Alicja Kalinowska-Lyszczarz, Danuta Wegrzyn, Adam Niezgoda, Jacek Losy, Krystyna Osztynowicz, Wojciech Kozubski
The aim of the present study was to investigate the levels of circulating CD14 in relation to the expression of tumor necrosis factor alpha (TNF-α) in monocytes, and serum levels of TNF-α and macrophage inflammatory protein-1 (MIP-1) in migraine patients. Numerous studies revealed controversial changes in the components of the immune system during attacks and the interictal period in migraine patients. Our study included 40 migraineurs and 39 controls. The levels of TNF-α, MIP-1 and CD14 were measured in peripheral monocytes and in sera with the Enzyme-Linked Immunosorbent Assay (ELISA) method, and the monocyte expression of TNF-α was also analysed by immunostaining...
February 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207887/platelet-monocyte-derived-and-tissue-factor-carrying-circulating-microparticles-are-related-to-acute-myocardial-infarction-severity
#8
Gemma Chiva-Blanch, Kristian Laake, Peder Myhre, Vibeke Bratseth, Harald Arnesen, Svein Solheim, Lina Badimon, Ingebjørg Seljeflot
OBJECTIVE: Circulating microparticles (cMPs) are phospholipid-rich vesicles released from cells when activated or injured, and contribute to the formation of intracoronary thrombi. Tissue factor (TF, CD142) is the main trigger of fibrin formation and TF-carrying cMPs are considered one of the most procoagulant cMPs. Similar types of atherosclerotic lesions may lead to different types of AMI, although the mechanisms behind are unresolved. Therefore, we aimed to investigate the phenotype of cMPs found in plasma of ACS patients and its relation to AMI severity and thrombotic burden...
2017: PloS One
https://www.readbyqxmd.com/read/28205023/low-serum-culture-with-novel-medium-promotes-maxillary-mandibular-bone-marrow-stromal-cell-proliferation-and-osteogenic-differentiation-ability
#9
Fumio Suehiro, Masakazu Ishii, Izumi Asahina, Hiroshi Murata, Masahiro Nishimura
OBJECTIVES: The purpose of this study was to evaluate the effect of low-serum STK2 medium on the isolation and osteogenic differentiation of human maxillary/mandibular bone marrow stromal cells (MBMSCs). MATERIALS AND METHODS: Human MBMSCs were obtained from patients undergoing dental implant treatment. These cells were cultured in serum-free medium or STK2 medium containing 1  % fetal bovine serum (low-serum) or α-MEM containing 10  % fetal bovine serum (control)...
February 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28198712/changes-in-levels-of-inflammation-following-antiretroviral-treatment-during-early-hiv-infection-in-actg-a5217
#10
Bernard J Macatangay, Ming Yang, Xin Sun, Jessica Morton, Victor DE Gruttola, Susan Little, Christine Hogan, Charles R Rinaldo
BACKGROUND: We evaluated the changes in the levels of soluble biomarkers of inflammation and coagulation and T cell activation among participants of ACTG A5217 who were started on antiretroviral therapy (ART) within the first 6 months of HIV infection. METHODS: Cryopreserved specimens were obtained pre-ART (Week 0), at time of virologic suppression (Week 36), and at 36 weeks after treatment interruption (Week 72). Levels of D-dimer, C-reactive protein (CRP), and soluble CD14 (sCD14) were measured in plasma, while T cell activation levels defined as the frequencies of CD4 and CD8 T cells co-expressing HLA-DR and CD38, were measured in peripheral blood mononuclear cells...
February 14, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28197368/immunosuppressive-cd14-hla-dr-lo-neg-monocytes-are-elevated-in-pancreatic-cancer-and-primed-by-tumor-derived-exosomes
#11
Naureen Javeed, Michael P Gustafson, Shamit K Dutta, Yi Lin, William R Bamlet, Ann L Oberg, Gloria M Petersen, Suresh T Chari, Allan B Dietz, Debabrata Mukhopadhyay
Immunological strategies to treat pancreatic cancer offer new therapeutic approaches to improve patient outcomes. Understanding alterations in the immune systems of pancreatic cancer patients will likely lead to advances in immunotherapy for the disease. We profiled peripheral blood leukocytes from pancreatic cancer patients (n = 22) and age-matched controls (n = 20) using flow cytometry. Immune profiling of pancreatic cancer patients identified phenotypic changes in various immune cell populations, including a population of immunosuppressive monocytes (CD14(+)HLA-DR(lo/neg)), which were shown to be increased in these patients...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28194184/signal-factors-secreted-by-2d-and-spheroid-mesenchymal-stem-cells-and-by-cocultures-of-mesenchymal-stem-cells-derived-microvesicles-and-retinal-photoreceptor-neurons
#12
Lili Xie, Mao Mao, Liang Zhou, Lusi Zhang, Bing Jiang
We aim to identify levels of signal factors secreted by MSCs cultured in 2D monolayers (2D-MSCs), spheroids (spheroids MSCs), and cocultures of microvesicles (MVs) derived from 2D-MSCs or spheroid MSCs and retinal photoreceptor neurons. We seeded 2D-MSCs, spheroid MSCs, and cells derived from spheroids MSCs at equal numbers. MVs isolated from all 3 culture conditions were incubated with 661W cells. Levels of 51 signal factors in conditioned medium from those cultured conditions were quantified with bead-based assay...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28193829/soluble-cd83-inhibits-t-cell-activation-by-binding-to-the-tlr4-md-2-complex-on-cd14-monocytes
#13
Joe M Horvatinovich, Elizabeth W Grogan, Marcus Norris, Alexander Steinkasserer, Henrique Lemos, Andrew L Mellor, Irina Y Tcherepanova, Charles A Nicolette, Mark A DeBenedette
The transmembrane protein CD83, expressed on APCs, B cells, and T cells, can be expressed as a soluble form generated by alternative splice variants and/or by shedding. Soluble CD83 (sCD83) was shown to be involved in negatively regulating the immune response. sCD83 inhibits T cell proliferation in vitro, supports allograft survival in vivo, prevents corneal transplant rejection, and attenuates the progression and severity of autoimmune diseases and experimental colitis. Although sCD83 binds to human PBMCs, the specific molecules that bind sCD83 have not been identified...
February 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28193827/monocyte-subsets-coregulate-inflammatory-responses-by-integrated-signaling-through-tnf-and-il-6-at-the-endothelial-cell-interface
#14
Myriam Chimen, Clara M Yates, Helen M McGettrick, Lewis S C Ward, Matthew J Harrison, Bonita Apta, Lea H Dib, Beat A Imhof, Paul Harrison, Gerard B Nash, G Ed Rainger
Two major monocyte subsets, CD14(+)CD16(-) (classical) and CD14(+/dim)CD16(+) (nonclassical/intermediate), have been described. Each has different functions ascribed in its interactions with vascular endothelial cells (EC), including migration and promoting inflammation. Although monocyte subpopulations have been studied in isolated systems, their influence on EC and on the course of inflammation has been ignored. In this study, using unstimulated or cytokine-activated EC, we observed significant differences in the recruitment, migration, and reverse migration of human monocyte subsets...
February 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28186757/thieno-3-2-b-pyrrole-5-carboxamides-as-new-reversible-inhibitors-of-histone-lysine-demethylase-kdm1a-lsd1-part-2-structure-based-drug-design-and-structure-activity-relationship
#15
Paola Vianello, Luca Sartori, Federica Amigoni, Anna Cappa, Giovanni Fagá, Raimondo Fattori, Elena Legnaghi, Giuseppe Ciossani, Andrea Mattevi, Giuseppe Meroni, Loris Moretti, Valentina Cecatiello, Sebastiano Pasqualato, Alessia Romussi, Florian Thaler, Paolo Trifiró, Oronza A Botrugno, Manuela Villa, Paola Dessanti, Saverio Minucci, Stefania Vultaggio, Elisa Zagarrí, Mario Varasi, Ciro Mercurio
The balance of methylation levels at histone H3 lysine 4 (H3K4) is regulated by KDM1A (LSD1). KDM1A is overexpressed in several tumor types, thus representing an emerging target for the development of novel cancer therapeutics. We have previously described (Part 1) the identification of thieno[3,2-b]pyrrole-5-carboxamides, as novel reversible inhibitors of KDM1A, whose preliminary exploration resulted in compound 2 with biochemical IC50 = 160 nM. We now report the structure-guided optimization of this chemical series, based on multiple ligand/KDM1A-CoRest co-crystal structures, which led to several extremely potent inhibitors...
February 10, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28184217/chlamydial-lipoproteins-stimulate-toll-like-receptors-1-2-mediated-inflammatory-responses-through-myd88-dependent-pathway
#16
Yong Wang, Qiong Liu, Ding Chen, Jie Guan, Linghui Ma, Guangming Zhong, Hengping Shu, Xiang Wu
Chlamydiae are very important pathogens which could cause several types of diseases in human, but little is known about its pathogenic mechanism. In order to elucidate host inflammatory response and the signal pathway induced by Chlamydial lipoproteins, the predicted lipoproteins of Chlamydia trachomatis were tested for their ability to induce the release of proinflammatory cytokines by mouse macrophages or human TLR (Toll-Like Receptor) expressing cell lines. The results showed that recombinant proteins of C...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28183821/exercise-induced-upregulation-of-endothelial-adhesion-molecules-in-human-skeletal-muscle-and-number-of-circulating-cells-with-remodeling-properties
#17
Anna Strömberg, Eric Rullman, Eva Jansson, Thomas Gustafsson
Multipotent cells have received great interest due to their potential capacity to repair and remodel peripheral tissues. We examined the effect of an acute exercise bout on the number of circulating cells with known remodeling properties, and the level of factors in plasma and skeletal muscle tissue with potential to recruit these cells. Twenty healthy male subjects performed a 60 min cycling exercise. Blood samples for flow cytometry were drawn from 10 subjects (Group 1) before and up to 2 h after exercise, and absolute cell counts of the classical (CD14(++)CD16(-)), intermediate (CD14(++)CD16(+)), and nonclassical (CD14(+)CD16(++)) monocyte (MO) subpopulations, and of CD45(dim)CD34(+)VEGFR2(+) endothelial progenitor cells (EPCs) were measured using bead-based determination...
February 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28183329/cd14-bright-cd16-intermediate-monocytes-are-induced-by-interleukin-10-and-positively-correlate-with-disease-activity-in-rheumatoid-arthritis
#18
Masako Tsukamoto, Noriyuki Seta, Keiko Yoshimoto, Katsuya Suzuki, Kunihiro Yamaoka, Tsutomu Takeuchi
BACKGROUND: Three different subsets of circulating human monocytes, CD14(bright)CD16- (classical), CD14(bright)CD16+ (intermediate), and CD14(dim)CD16+ (non-classical) have been recently identified. It has been reported that CD14(bright)CD16+ monocytes are increased in rheumatoid arthritis (RA). However, the role of each monocyte subset in the pathogenesis of RA is still unclear. The purpose of this study was to investigate the association of CD14(bright)CD16+ monocytes with RA. METHODS: The study enrolled 35 patients with RA and 14 healthy volunteers...
February 10, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28178645/surgery-induced-monocytic-myeloid-derived-suppressor-cells-expand-regulatory-t-cells-in-lung-cancer
#19
Jun Wang, Liu Yang, Lu Yu, Yi-Yin Wang, Rui Chen, Jing Qian, Zhi-Peng Hong, Xiao-San Su
While monocytic myeloid-derived suppressor cells (M-MDSCs) have been reported to induce the development of regulatory T cells (Treg), little is known about their correlation with Treg during perioperative period. Here, we demonstrated that the M-MDSCs expressing CD11b+CD33+HLA-DR-CD14+ in lung cancer patients after thoractomy significantly increased in comparison with preoperation, and their accumulation linearly correlated with an increase in Treg. Surgery-induced M-MDSCs, in addition to have high arginase activity, were more efficient in suppressing T-cell proliferation...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28173831/immunoselected-stro-3-mesenchymal-precursor-cells-reduce-inflammation-and-improve-clinical-outcomes-in-a-large-animal-model-of-monoarthritis
#20
Anwar Abdalmula, Laura M Dooley, Claire Kaufman, Elizabeth A Washington, Jacqueline V House, Barbara A Blacklaws, Peter Ghosh, Silviu Itescu, Simon R Bailey, Wayne G Kimpton
BACKGROUND: The purpose of this study was to investigate the therapeutic efficacy of intravenously administered immunoselected STRO-3 + mesenchymal precursor cells (MPCs) on clinical scores, joint pathology and cytokine production in an ovine model of monoarthritis. METHODS: Monoarthritis was established in 16 adult merino sheep by administration of bovine type II collagen into the left hock joint following initial sensitization to this antigen. After 24 h, sheep were administered either 150 million allogeneic ovine MPCs (n = 8) or saline (n = 8) intravenously (IV)...
February 7, 2017: Stem Cell Research & Therapy
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