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https://www.readbyqxmd.com/read/27905000/decidual-natural-killer-cells-and-the-immune-microenvironment-at-the-maternal-fetal-interface
#1
REVIEW
Binqing Fu, Haiming Wei
During early pregnancy, an orchestrated evolutionary maternal adaption toward tolerance of the semiallogeneic fetus is required to ensure decidualization and early embryo development. Remodeling of the immune system involves natural killer cells (NKs), macrophages, T cells and dendritic cells (DCs) altering the microenvironment in the deciduas. In particular, a unique population of NK cells with a CD56(bright)CD16(-) phenotype in the decidua has been proposed to play a key role in the maternal adaptation to pregnancy...
November 29, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27904448/mobilization-with-cyclophosphamide-reduces-the-number-of-lymphocyte-subpopulations-in-the-leukapheresis-product-and-delays-their-reconstitution-after-autologous-hematopoietic-stem-cell-transplantation-in-patients-with-multiple-myeloma
#2
Matevz Skerget, Barbara Skopec, Darja Zontar, Peter Cernelc
BACKGROUND: Autologous hematopoietic stem cell transplantation is considered the standard of care for younger patients with multiple myeloma. Several mobilization regimens are currently used, most commonly growth factors alone or in combination with chemotherapy. The aim of our study was to investigate the differences in lymphocyte subpopulation counts between three different mobilization regimens on collection day, in the leukapheresis product and on day 15 after autologous hematopoietic stem cell transplantation...
December 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27902980/gene-expression-profiling-and-functional-characterization-of-macrophages-in-response-to-circulatory-microparticles-produced-during-trypanosoma-cruzi-infection-and-chagas-disease
#3
Imran H Chowdhury, Sue-Jie Koo, Shivali Gupta, Lisa Yi Liang, Bojlul Bahar, Laura Silla, Julio Nuñez-Burgos, Natalia Barrientos, Maria Paola Zago, Nisha Jain Garg
BACKGROUND: Chronic inflammation and oxidative stress are hallmarks of chagasic cardiomyopathy (CCM). In this study, we determined if microparticles (MPs) generated during Trypanosoma cruzi (Tc) infection carry the host's signature of the inflammatory/oxidative state and provide information regarding the progression of clinical disease. METHODS: MPs were harvested from supernatants of human peripheral blood mononuclear cells in vitro incubated with Tc (control: LPS treated), plasma of seropositive humans with a clinically asymptomatic (CA) or symptomatic (CS) disease state (vs...
December 1, 2016: Journal of Innate Immunity
https://www.readbyqxmd.com/read/27892871/phenotypic-modulation-of-porcine-cd14-monocytes-natural-killer-natural-killer-t-cells-and-cd8%C3%AE-%C3%AE-t-cell-subsets-by-an-antibody-derived-killer-peptide-kp
#4
Luca Ferrari, Paolo Borghetti, Giulia Ferrarini, Elena De Angelis, Elena Canelli, Giulia Ogno, Alessia Catella, Tecla Ciociola, Walter Magliani, Paolo Martelli
An engineered killer peptide (KP) based on a recombinant anti-idiotypic antibody representing the functional image of a yeast killer toxin (KT) was demonstrated to mediate antimicrobial effects against fungi and viruses. KP binds to murine dendritic cells and macrophages and up-regulate co-receptor expression, thus sustaining CD4+ lymphocyte activation. No immunological data are available in domestic animals thus KP-induced immunomodulation was evaluated in porcine monocyte and lymphocyte subsets. PBMC from healthy adult pigs were stimulated with KP or a scramble peptide (SP), or kept unstimulated for 24, 48 and 72h, and subsequently analyzed by flow cytometry...
September 14, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27891129/immunological-and-translational-aspects-of-nk-cell-based-antitumor-immunotherapies
#5
REVIEW
Maxim Shevtsov, Gabriele Multhoff
Natural killer (NK) cells play a pivotal role in the first line of defense against cancer. NK cells that are deficient in CD3 and a clonal T cell receptor (TCR) can be subdivided into two major subtypes, CD56(dim)CD16(+) cytotoxic and CD56(bright)CD16(-) immunoregulatory NK cells. Cytotoxic NK cells not only directly kill tumor cells without previous stimulation by cytotoxic effector molecules, such as perforin and granzymes or via death receptor interactions, but also act as regulatory cells for the immune system by secreting cytokines and chemokines...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27884732/natural-killer-cell-subsets-and-receptor-expression-in-peripheral-blood-mononuclear-cells-of-a-healthy-korean-population-reference-range-influence-of-age-and-sex-and-correlation-between-nk-cell-receptors-and-cytotoxicity
#6
Minh-Trang Phan, Sejong Chun, Sun-Hee Kim, Alaa Kassim Ali, Seung-Hwan Lee, Seokho Kim, Soo-Hyun Kim, Duck Cho
BACKGROUND: The purpose of this study was to identify CD56(bright) and CD56(dim) natural killer (NK) cell subsets and analyze their receptors expression in a healthy Korean population, and to determine whether receptor expression correlates with age, sex, and cytotoxicity. MATERIALS AND METHODS: We performed multicolor flow cytometry assays to analyze the expression of various NK cell receptors (CD16, NKG2A, NKG2C, NKG2D, CD57, DNAM-1, CD8a, CD62L, NKp30, and NKp46) on both CD3(-)/CD56(dim) and CD3(-)/CD56(bright) NK cells in whole-blood samples from 122 healthy donors...
November 21, 2016: Human Immunology
https://www.readbyqxmd.com/read/27881669/aerobic-exercise-in-humans-mobilizes-hsc-in-an-intensity-dependent-manner
#7
Jeff M Baker, Joshua P Nederveen, Gianni Parise
Hematopoietic stem and progenitor cells are necessary to maintain, repair, and reconstitute the hematopoietic blood cell system. Mobilization of these cells from bone marrow to blood can be greatly increased under certain conditions, one such being exercise. The purpose of this study was to identify the importance of exercise intensity in hematopoietic mobilization, to better understand the mobilization kinetics post exercise, and to determine if exercise is capable of mobilizing several specific populations of hematopoietic cells that have clinical relevance in a transplant setting...
November 23, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27881354/-analysis-of-immune-suppression-in-patients-with-systemic-lupus-erythematosus-complicated-by-herpes-zoster-virus-infection
#8
Hui Ouyang, Xue-Chang He, Yi Zhou, Zhao-Xia Li
OBJECTIVE: To explore the changes in cellular immune function and the safety of physical therapy in patients with systemic lupus erythematosus (SLE) complicated by herpes zoster (HZ) virus infection. Methods A retrospective analysis was conducted among 10 SLE pateints with HZ virus infection, with 30 SLE patients without HZ infection as the control group. The results of routine laboratory tests and T lymphocyte subset counts (before and during infection and after cure of infection) were compared between the two groups...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27876379/microrna-profiling-of-human-intermediate-monocytes
#9
Adam M Zawada, Lu Zhang, Insa E Emrich, Kyrill S Rogacev, Nicolas Krezdorn, Björn Rotter, Danilo Fliser, Yvan Devaux, Loems Ziegler-Heitbrock, Gunnar H Heine
Among the three human monocyte subsets, intermediate CD14++CD16+ monocytes have been characterized as particularly proinflammatory cells in experimental studies and as potential biomarkers of cardiovascular risk in clinical cohorts. To further substantiate the distinct role of intermediate monocytes within human monocyte heterogeneity, we assessed subset-specific expression of miRNAs as central epigenetic regulators of gene expression. We hypothesized that intermediate monocytes have a distinct miRNA profile compared to classical and non-classical monocytes...
November 13, 2016: Immunobiology
https://www.readbyqxmd.com/read/27875723/orosomucoid-as-prognosis-factor-associated-with-inflammation-in-acute-or-nutritional-status-in-chronic-heart-failure
#10
Rosa M Agra, Alfonso Varela-Román, Rocío González-Ferreiro, Juan E Viñuela, Ana Castro-Pais, Ángel Fernández-Trasancos, Esther Díaz-Rodríguez, Ezequiel Álvarez, Marcos C Carreira, Felipe F Casanueva, José R González-Juanatey, Sonia Eiras
BACKGROUND: Inflammation and nutritional state are involved in the pathogenesis of heart failure (HF). OBJECTIVE: To study the contribution of alpha-1-acid-glycoprotein (AGP) to these factors and its prognostic value in acute (AHF) or chronic HF (CHF). METHODS: The observational study has included 147 patients (mean age 70years, 62% men) admitted to a cardiology department for HF and followed-up for an average 326.6±140.8days. Blood AGP values were measured by Enzyme-Linked ImmunoSorbent Assay...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27865134/polychromatic-light-480-3400nm-similar-to-the-terrestrial-solar-spectrum-without-its-uv-component-in-post-surgical-immunorehabilitation-of-breast-cancer-patients
#11
Natalia A Zhevago, Alexander A Zimin, Tatyana V Glazanova, Natalia I Davydova, Natalia V Bychkova, Zhanna V Chubukina, Anna I Buinyakova, Marina F Ballyuzek, Kira A Samoilova
To this day, two methods of phototherapy (PT) have been successfully used in post-surgical immunorehabilitation of patients with breast cancer (BC): intravenous laser irradiation of the patients' blood and reinfusion of lympholeukosuspension of BC patients after single irradiation with HeNe laser. The objective of this pilot experimental study was to verify the effectiveness of the percutaneous use of polychromatic visible light combined with polychromatic infrared (pVIS+pIR) radiation similar to the major components of natural solar spectrum in post-surgical management of BC patients...
November 5, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/27865124/the-killer-cell-story-in-recurrent-miscarriage-association-between-activated-peripheral-lymphocytes-and-uterine-natural-killer-cells
#12
R J Kuon, K Vomstein, M Weber, F Müller, C Seitz, S Wallwiener, T Strowitzki, E Schleussner, U R Markert, V Daniel, B Toth
Peripheral and uterine NK cells (pNK, uNK) can be distinguished according to their receptor expression. Recent studies indicate an association of elevated pNK and uNK with recurrent miscarriage (RM). This study aimed to analyze pNK and uNK in patients with RM and healthy controls. Out of n=590 RM patients screened according to a standard diagnostic protocol, n=268 couples with ≥3 consecutive RM were identified. Subgroups consisted of n=151 primary RM (pRM), n=85 secondary RM (sRM), n=32 tertiary RM (tRM) and n=42 healthy controls...
November 6, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/27864692/transglutaminase-2-is-involved-in-amyloid-beta1-42-induced-pro-inflammatory-activation-via-ap1-jnk-signalling-pathways-in-thp-1-monocytes
#13
Monica Currò, Chiara Gangemi, Maria Laura Giunta, Nadia Ferlazzo, Michele Navarra, Riccardo Ientile, Daniela Caccamo
Deposition of amyloid-beta (Aβ) peptides has been shown to induce the release of inflammatory factors by activated microglia and brain infiltrating monocytes/macrophages. Interestingly, the enzyme transglutaminase 2 (TG2) has been shown to play a key role in neuroinflammation and regulation of transcription factors involved in immunomodulation. In this study, we aimed to better elucidate the mechanisms underlying TG2 involvement in the pro-inflammatory signaling pathway activated by fibrillar Aβ1-42 in THP-1 monocytes...
November 18, 2016: Amino Acids
https://www.readbyqxmd.com/read/27863251/genetic-drivers-of-epigenetic-and-transcriptional-variation-in-human-immune-cells
#14
Lu Chen, Bing Ge, Francesco Paolo Casale, Louella Vasquez, Tony Kwan, Diego Garrido-Martín, Stephen Watt, Ying Yan, Kousik Kundu, Simone Ecker, Avik Datta, David Richardson, Frances Burden, Daniel Mead, Alice L Mann, Jose Maria Fernandez, Sophia Rowlston, Steven P Wilder, Samantha Farrow, Xiaojian Shao, John J Lambourne, Adriana Redensek, Cornelis A Albers, Vyacheslav Amstislavskiy, Sofie Ashford, Kim Berentsen, Lorenzo Bomba, Guillaume Bourque, David Bujold, Stephan Busche, Maxime Caron, Shu-Huang Chen, Warren Cheung, Oliver Delaneau, Emmanouil T Dermitzakis, Heather Elding, Irina Colgiu, Frederik O Bagger, Paul Flicek, Ehsan Habibi, Valentina Iotchkova, Eva Janssen-Megens, Bowon Kim, Hans Lehrach, Ernesto Lowy, Amit Mandoli, Filomena Matarese, Matthew T Maurano, John A Morris, Vera Pancaldi, Farzin Pourfarzad, Karola Rehnstrom, Augusto Rendon, Thomas Risch, Nilofar Sharifi, Marie-Michelle Simon, Marc Sultan, Alfonso Valencia, Klaudia Walter, Shuang-Yin Wang, Mattia Frontini, Stylianos E Antonarakis, Laura Clarke, Marie-Laure Yaspo, Stephan Beck, Roderic Guigo, Daniel Rico, Joost H A Martens, Willem H Ouwehand, Taco W Kuijpers, Dirk S Paul, Hendrik G Stunnenberg, Oliver Stegle, Kate Downes, Tomi Pastinen, Nicole Soranzo
Characterizing the multifaceted contribution of genetic and epigenetic factors to disease phenotypes is a major challenge in human genetics and medicine. We carried out high-resolution genetic, epigenetic, and transcriptomic profiling in three major human immune cell types (CD14(+) monocytes, CD16(+) neutrophils, and naive CD4(+) T cells) from up to 197 individuals. We assess, quantitatively, the relative contribution of cis-genetic and epigenetic factors to transcription and evaluate their impact as potential sources of confounding in epigenome-wide association studies...
November 17, 2016: Cell
https://www.readbyqxmd.com/read/27861595/tlr4-cd14-variants-related-serologic-and-immunologic-dys-regulations-predict-severe-sepsis-in-febrile-de-compensated-cirrhotic-patients
#15
Wen-Chien Fan, Chih-Wei Liu, Shuo-Ming Ou, Chia-Chang Huang, Tzu-Hao Li, Kuei-Chuan Lee, Shiang-Fen Huang, Ying-Ying Yang, Yun-Cheng Hsieh, Shie-Liang Hsieh, Ming-Chih Hou, Han-Chieh Lin
Genetic variants and dysfunctional monocyte had been reported to be associated with infection susceptibility in advanced cirrhotic patients. This study aims to explore genetic predictive markers and relevant immune dysfunction that contributed to severe sepsis in febrile acute de-compensated cirrhotic patents. Polymorphism analysis of candidate genes was undergone in 108 febrile acute de-compensated cirrhotic patients and 121 healthy volunteers. Various plasma inflammatory/regulatory cytokines, proportion of classical (CD 16-, phagocytic) and non-classical (CD16+, inflammatory) monocytes, lipopolysaccharide (LPS)-stimulated toll-like receptor 4 (TLR4) and intracellular/extracellular cytokines on cultured non-classical monocytes, mCD14/HLA-DR expression and phagocytosis of classical monocytes were measured...
2016: PloS One
https://www.readbyqxmd.com/read/27861156/an-nk-cell-line-hank-expressing-high-levels-of-granzyme-and-engineered-to-express-the-high-affinity-cd16-allele
#16
Caroline Jochems, James W Hodge, Massimo Fantini, Rika Fujii, Y Maurice Morillon Ii, John W Greiner, Michelle R Padget, Sarah R Tritsch, Kwong Yok Tsang, Kerry S Campbell, Hans Klingemann, Laurent Boissel, Shahrooz Rabizadeh, Patrick Soon-Shiong, Jeffrey Schlom
Natural killer (NK) cells are known to play a role in mediating innate immunity, in enhancing adaptive immune responses, and have been implicated in mediating anti-tumor responses via antibody-dependent cell-mediated cytotoxicity (ADCC) by reactivity of CD16 with the Fc region of human IgG1 antibodies. The NK-92 cell line, derived from a lymphoma patient, has previously been well characterized and adoptive transfer of irradiated NK-92 cells has demonstrated safety and shown preliminary evidence of clinical benefit in cancer patients...
November 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27858122/increased-cd14-and-decreased-cd14-populations-of-monocytes-48%C3%A2-h-after-zolendronic-acid-infusion-in-breast-cancer-patients
#17
A Kyrgidis, M P Yavropoulou, R Lagoudaki, C Andreadis, K Antoniades, D Kouvelas
: It has been proposed that bisphosphonates cause osteonecrosis of the jaws through impairment of the monocyte population function and proliferation. Such changes have been confirmed in jaw tissues, ex vivo. In this clinical study, we report for the first time a similar pattern of changes in peripheral blood monocytes. INTRODUCTION: The aim of this study is to examine the effect of zolendronic acid administration in the peripheral blood white cell population, seeking a plausible pathophysiological link between bisphosphonates and osteonecrosis of the jaw...
November 17, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27856192/nk-cell-degranulation-as-a-marker-for-measuring-antibody-dependent-cytotoxicity-in-neutralizing-and-non-neutralizing-human-sera-from-dengue-patients
#18
Peifang Sun, Brian J Morrison, Charmagne Beckett, Zhaodong Liang, Nishith Nagabhushana, An Li, Kevin Porter, Maya Williams
The study assessed antibody-dependent NK cell degranulation, a biomarker relevant to antibody-dependent cell cytotoxicity (ADCC), to analyze dengue immune sera. We first determined binding intensity of patient sera to the surface of DENV-infected cells and examined the types of antigens expressed on infected cells. Antigens from pre-membrane (PreM) and envelope (E), but not from NS proteins were detected on the surface of infected cells. After adding NK cells to infected target cells previously treated with patient sera, rapid NK cell degranulation was observed...
November 14, 2016: Journal of Immunological Methods
https://www.readbyqxmd.com/read/27847830/early-differentiation-of-human-cd11c-nk-cells-with-%C3%AE-%C3%AE-t-cell-activation-properties-is-promoted-by-dialyzable-leukocyte-extracts
#19
Dalia Ramírez-Ramírez, Eduardo Vadillo, Lourdes Andrea Arriaga-Pizano, Héctor Mayani, Sergio Estrada-Parra, Marco Antonio Velasco-Velázquez, Sonia Mayra Pérez-Tapia, Rosana Pelayo
Reconstitution of the hematopoietic system during immune responses and immunological and neoplastic diseases or upon transplantation depends on the emergent differentiation of hematopoietic stem/progenitor cells within the bone marrow. Although in the last decade the use of dialyzable leukocyte extracts (DLE) as supportive therapy in both infectious and malignant settings has increased, its activity on the earliest stages of human hematopoietic development remains poorly understood. Here, we have examined the ability of DLE to promote replenishment of functional lymphoid lineages from CD34(+) cells...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27845194/human-albumin-attenuates-excessive-innate-immunity-via-inhibition-of-microglial-mincle-syk-signaling-in-subarachnoid-hemorrhage
#20
Yi Xie, Hongquan Guo, Liumin Wang, Lili Xu, Xiaohao Zhang, Linjie Yu, Qian Liu, Yunzi Li, Nana Zhao, Nan Zhao, Ruidong Ye, Xinfeng Liu
Subarachnoid hemorrhage (SAH) is a devastating subtype of stroke. Microglial macrophage-inducible C-type lectin (Mincle) receptor launches microglial innate immunity after SAH, and thereby achieves a key step of early cerebral injury in SAH. We previously revealed albumin could improve long-term neurological outcomes after SAH. In this study, we examined the role of microglia-mediated innate immunity in the salutary effects of albumin. SAH was induced by endovascular perforation in rats. We found that albumin can significantly mitigate early neurovascular dysfunction of SAH rats...
November 10, 2016: Brain, Behavior, and Immunity
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