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https://www.readbyqxmd.com/read/29332332/a-study-on-cellular-immune-function-of-patients-treated-with-radical-resection-of-pulmonary-carcinoma-with-two-different-methods-of-anesthesia-and-analgesia
#1
Jie Chen, Feng Luo, Min Lei, Zhoumiao Chen
PURPOSE: To compare the influence on the immune system of two different methods of anesthesia and analgesia in patients treated with radical resection of pulmonary carcinoma. METHODS: Thirty-four patients treated with radical resection of pulmonary carcinoma were randomly divided into two groups (group A and group B, 17 cases in each group). Patients in group A were administered total intravenous anesthesia (TIVA) without inhaled hypnotics and intravenous analgesia while patients in group B were administered TIVA combined with epidural anesthesia and epidural analgesia...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29330305/restricted-processing-of-cd16a-fc-%C3%AE-receptor-iiia-n-glycans-from%C3%A2-primary-human-nk-cells-impacts-structure-and-function
#2
Kashyap R Patel, Jacob T Roberts, Ganesh P Subedi, Adam W Barb
CD16a/Fc γ receptor IIIa is the most abundant antibody Fc receptor expressed on human natural killer(NK) cells and activates a protective cytotoxic response following engagement with antibody clustered on the surface of a pathogen or diseased tissue. Therapeutic monoclonal antibodies(mAbs) with greater Fc-mediated affinity for CD16a show superior therapeutic outcome, however, one significant factor that promotes antibody-CD16a interactions, the asparagine-linked carbohydrates(N-glycans), remains undefined...
January 12, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29327683/clinical-manifestation-of-malignant-lymphomas-of-the-head-and-neck-region
#3
Katarzyna Bojanowska-Poźniak, Monika Nurkowska, Marian Danilewicz, Wioletta Pietruszewska
INTRODUCTION: Malignant lymphoma (ML) is a neoplasm caused by clonal expansion of undifferentiated B, T and NK-lymphoid cells. WHO classification divides lymphomas into two main types, i.e. Hodgkin lymphoma (HL), and non-Hodgkin lymphoma (NHL), with numerous subtypes. The majority of MLs are localized in lymph nodes, but extranodal locations are also possible. MLs represent approximately 3-5% of all malignant neoplasms in Poland, but their incidence has been increasing in recent years, especially in young patients...
December 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29327082/evaluation-of-committed-and-primitive-cord-blood-progenitors-after-expansion-on-adipose-stromal-cells
#4
E R Andreeva, I V Andrianova, A N Gornostaeva, B Sh Gogiya, L B Buravkova
Umbilical cord blood mononuclear fraction is a valuable source of hematopoietic stem and progenitor cells (CB HSPCs). The rarity of this population is a serious limitation of its application in cell therapy. Ex vivo expansion enables to significantly amplify the number of hematopoietic precursors of different commitment. Here, we expand CB MNCs in co-culture with human adipose tissue-derived stromal cells (ASCs) to enrich HSPCs and describe phenotypic features of newly formed hematopoietic populations. The CD34+-HSPCs demonstrated 6-fold enrichment with 9000 CFUs per 50 × 103 HSPCs on average...
January 11, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29326374/beware-of-air
#5
Nadia Nk van Rijssel, Claudia C Savelkoul, David H T Tjan
No abstract text is available yet for this article.
January 11, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29325778/nonstructural-proteins-nsp2tf-and-nsp2n-of-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-play-important-roles-in-suppressing-host-innate-immune-responses
#6
Y Li, P Shang, D Shyu, C Carrillo, P Naraghi-Arani, Crystal J Jaing, G J Renukaradhya, A E Firth, E J Snijder, Y Fang
Recently, we identified a unique -2/-1 ribosomal frameshift mechanism in PRRSV, which yields two truncated forms of nonstructural protein (nsp) 2 variants, nsp2TF and nsp2N. Here, in vitro expression of individual PRRSV nsp2TF and nsp2N demonstrated their ability to suppress cellular innate immune responses in transfected cells. Two recombinant viruses were further analyzed, in which either nsp2TF was C-terminally truncated (vKO1) or expression of both nsp2TF and nsp2N was knocked out (vKO2). Host cellular mRNA profiling showed that a panel of cellular immune genes, in particular those involved in innate immunity, was upregulated in cells infected with vKO1 and vKO2...
January 8, 2018: Virology
https://www.readbyqxmd.com/read/29324739/mansonella-perstans-microfilaremic-individuals-are-characterized-by-enhanced-type-2-helper-t-and-regulatory-t-and-b-cell-subsets-and-dampened-systemic-innate-and-adaptive-immune-responses
#7
Manuel Ritter, Winston Patrick Chounna Ndongmo, Abdel Jelil Njouendou, Nora Nganyewo Nghochuzie, Lucy Cho Nchang, Dizzle Bita Tayong, Kathrin Arndts, Norman Nausch, Marc Jacobsen, Samuel Wanji, Laura E Layland, Achim Hoerauf
The filarial nematode Mansonella perstans is endemic throughout Africa, northern South America and the Caribbean. Interestingly, M. perstans-infected individuals present no distinct clinical picture associated with certain pathology. Due to its relatively silent nature, research on this tropical disease has been neglected, especially M. perstans-driven immune responses. A hindrance in obtaining data on M. perstans-specific responses has been the inability to obtain adult worms since their habitats in serous cavities are difficult to access...
January 11, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29323337/regulatory-t-cells-as-a-new-therapeutic-target-for-atherosclerosis
#8
REVIEW
Han-Xiao Ou, Bing-Bing Guo, Qi Liu, Yu-Kun Li, Zhen Yang, Wen-Jie Feng, Zhong-Cheng Mo
Atherosclerosis is an autoimmune disease caused by self- and non-self-antigens contributing to excessive activation of T and B cell immune responses. These responses further aggravate vascular inflammation and promote progression of atherosclerosis and vulnerability to plaques via releasing pro-inflammatory cytokines. Regulatory T cells (Tregs) as the major immunoregulatory cells, in particular, induce and maintain immune homeostasis and tolerance by suppressing the immune responses of various cells such as T and B cells, natural killer (NK) cells, monocytes, and dendritic cells (DCs), as well as by secreting inhibitory cytokines interleukin (IL)-10, IL-35 and transcription growth factor β (TGF-β) in both physiological and pathological states...
January 11, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29321478/reprogramming-of-pro-inflammatory-human-macrophages-to-an-anti-inflammatory-phenotype-by-bile-acids
#9
Marianne Wammers, Anna-Kathrin Schupp, Johannes G Bode, Christian Ehlting, Stephanie Wolf, René Deenen, Karl Köhrer, Dieter Häussinger, Dirk Graf
Cholestasis is caused by autoimmune reactions, drug-induced hepatotoxicity, viral infections of the liver and the obstruction of bile ducts by tumours or gallstones. Cholestatic conditions are associated with impaired innate and adaptive immunity, including alterations of the cellular functions of monocytes, macrophages, NK cells and T-cells. Bile acids act as signalling molecules, affecting lipopolysaccharide (LPS)-induced cytokine expression in primary human macrophages. The present manuscript investigates the impact of bile acids, such as taurolithocholic acid (TLC), on the transcriptome of human macrophages in the presence or absence of LPS...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321314/hla-class-i-downregulation-by-hiv-1-variants-from-subtype-c-transmission-pairs
#10
Zachary Ende, Martin J Deymier, Daniel T Claiborne, Jessica L Prince, Daniela C Mónaco, William Kilembe, Susan A Allen, Eric Hunter
HIV-1 downregulates HLA-A and HLA-B from the surface of infected cells primarily to evade CD8 T cell recognition. HLA-C was thought to remain on the cell surface and bind inhibitory killer immunoglobulin-like receptors, preventing NK cell-mediated suppression. However, a recent study found HIV-1 primary viruses have the capacity to downregulate HLA-C. The goal of this study was to assess the heterogeneity of HLA-A, HLA-B and HLA-C downregulation among full-length primary viruses from six chronically infected and six newly infected individuals from transmission pairs, and to determine whether transmitted/founder variants exhibit common HLA class I downregulation characteristics...
January 10, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29321210/the-immune-checkpoint-modulator-ox40-and-its-ligand-ox40l-in-nk-cell-immunosurveillance-and-acute-myeloid-leukemia
#11
Tina Nuebling, Carla Emilia Schumacher, Martin Hofmann, Ilona Hagelstein, Benjamin Joachim Schmiedel, Stefanie Maurer, Birgit Federmann, Kathrin Rothfelder, Malte Roerden, Daniela Dorfel, Pascal Schneider, Gundram Jung, Helmut Rainer Salih
The TNF receptor family member OX40 promotes activation and proliferation of T cells, which fuels efforts to modulate this immune checkpoint to reinforce antitumor immunity. Besides T cells, NK cells are a second cytotoxic lymphocyte subset that contributes to antitumor immunity, particularly in leukemia. Accordingly, these cells are being clinically evaluated for cancer treatment through multiple approaches, such as adoptive transfer of ex vivo expanded polyclonal NK cells (pNKC). Here we analyzed whether and how OX40 and its ligand (OX40L) influence NK-cell function and anti-leukemia reactivity...
January 10, 2018: Cancer Immunology Research
https://www.readbyqxmd.com/read/29320890/chimeric-antigen-receptors-in-different-cell-types-new-vehicles-join-the-race
#12
Dennis C Harrer, Jan Dörrie, Niels Schaft
Adoptive cellular therapy has evolved into a powerful force in the battle against cancer, holding promise for curative responses in patients with advanced and refractory tumors. Autologous T cells, reprogrammed to target malignant cells via the expression of a chimeric antigen receptor (CAR) represent the frontrunner in this approach. Tremendous clinical regressions have been achieved using CAR-T cells against a variety of cancers both in numerous preclinical studies and in several clinical trials, most notably against ALL, and resulted in a very recent FDA-approval of the first CAR-T-cell therapy...
January 10, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29316666/fusion-proteins-of-nkg2d-nkg2dl-in-cancer-immunotherapy
#13
REVIEW
Hui Ding, Xi Yang, Yanzhang Wei
NKG2D (natural killer group 2, member D) is an important activating receptor in natural killer (NK) cells and some T cells. NKG2D ligands (NKG2DLs) are specifically expressed on most tumor cells. The engagement of these ligands on tumor cells to NKG2D on NK cells will induce cell-mediated cytotoxicity and have target cells destroyed. This gives NKG2D/NKG2DLs great potential in cancer therapeutic application. The creation of NKG2D/NKG2DL-based multi-functional fusion proteins is becoming one of the most promising strategies in immunotherapy for cancer...
January 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29316291/immunomodulation-characteristics-by-thermal-ablation-therapy-in-cancer-patients
#14
Wuwei Yang, Wei Wang, Bing Liu, Baorang Zhu, Jing Li, Debao Xu, Yanli Ni, Li Bai, Guangxian Liu
AIM: Thermal ablation therapy has recently emerged as a promising noninvasive treatment modality for localized solid malignancies. Except its direct tumor-cell-killing effect on local tumor tissues, the immunomodulatory effect has also long been noticed which too has substantial effect on clinical outcome, but it is complicated. Though much has been investigated and rich evidences have been achieved, the fundamental state and profile of immunomodulation by thermal ablation in cancer patients, its exact mechanism, especially the systematic mechanism, and its effect on antitumor immunity remain unclear...
January 8, 2018: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29316073/involvement-of-immune-cells-in-the-pathogenesis-of-endometriosis
#15
Gentaro Izumi, Kaori Koga, Masashi Takamura, Tomoko Makabe, Erina Satake, Arisa Takeuchi, Ayumi Taguchi, Yoko Urata, Tomoyuki Fujii, Yutaka Osuga
Endometriosis is characterized by the implantation and growth of endometriotic tissues outside the uterus. It is widely accepted the theory that endometriosis is caused by the implantation of endometrial tissue from retrograde menstruation; however, retrograde menstruation occurs in almost all women and other factors are required for the establishment of endometriosis, such as cell survival, cell invasion, angiogenesis, and cell growth. Immune factors in the local environment may, therefore, contribute to the formation and progression of endometriosis...
January 5, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29315988/impaired-treg-and-nk-cells-profile-in-overweight-women-with-gestational-diabetes-mellitus
#16
Thalita Frutuoso Lobo, Camila de Moraes Borges, Rosiane Mattar, Caio Perez Gomes, Ana Geisa Santos de Angelo, Karen Priscilla Tezotto Pendeloski, Silvia Daher
PROBLEM: Maternal obesity is frequently associated with gestational diabetes mellitus (GDM), and immunological mechanisms seem to be involved in the physiopathology of these conditions. The aim of this study was to characterize the profile of immune cells in peripheral blood of overweight women with GDM. METHOD OF STUDY: This case-control study included 27 glucose-tolerant (controls) and 31 GDM overweight pregnant women. Flow cytometry was used to assess the number of regulatory T cells (Treg) and natural killer (NK) cells in the peripheral blood...
January 5, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29315653/group-1-innate-lymphoid-cells-in-toxoplasma-gondii-infection
#17
Ildiko Rita Dunay, Andreas Diefenbach
Innate lymphoid cells (ILCs) are a group of lymphocytes that carry out important functions in immunity to infections and in organ homeostasis at epithelial barrier surfaces. ILCs are innate immune cells that provide an early source of cytokines to initiate immune responses against pathogens. Cytotoxic ILCs (i.e., conventional (c)NK cells) and several subsets of helper-like ILCs are the major brances of the ILC family. Conventional NK cells and group 1 ILCs share several functions such as surface receptors and the ability to produce IFN-γ upon activation but they differ in their developmental paths and in their dependence on specific transcription factors...
January 9, 2018: Parasite Immunology
https://www.readbyqxmd.com/read/29314186/aggressive-nk-cell-leukaemia-and-extranodal-nk-t-cell-lymphoma-are-two-distinct-diseases-that-differ-in-their-clinical-presentation-and-cytogenetic-findings
#18
Ching-Fen Yang, Chih-Yi Hsu, Donald Ming-Tak Ho
AIMS: Distinguishing between aggressive NK-cell leukaemia (ANKCL) and extranodal NK/T-cell lymphoma (ENKTCL) with secondary bone marrow involvement is challenging, as they are rare bone marrow NK/T-cell neoplasms and share similar features. METHODS AND RESULTS: We studied bone marrow NK/T-cell neoplasms by classifying them into those with no extramedullary mass (group 1, 8 cases) and those with extramedullary mass (group 2, 13 cases). Both groups showed similar clinical presentations and pathological features...
January 4, 2018: Histopathology
https://www.readbyqxmd.com/read/29305709/influence-of-physical-activity-on-the-immune-system-in-breast-cancer-patients-during-chemotherapy
#19
Thorsten Schmidt, Walter Jonat, Daniela Wesch, Hans-Heinrich Oberg, Sabine Adam-Klages, Lisa Keller, Christoph Röcken, Christoph Mundhenke
PURPOSE: Physical activity can impact the immune system in different ways, e.g. by alteration of the humoral and cellular immune response. Physical activity at medium intensity enhances numbers of cytotoxic T cells, NK cells and macrophages in healthy people. The aim of this study was to compare the effects of endurance and resistance training on the immune system in breast cancer patients during adjuvant chemotherapy. METHODS: In a prospective, controlled and randomized intervention exploratory trial, 12-week supervised endurance or resistance training were compared with usual care twice a week...
January 5, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29305520/soluble-slamf6-receptor-induces-strong-cd8-t-cell-effector-function-and-improves-anti-melanoma-activity-in-vivo
#20
Galit Eisenberg, Roni Engelstein, Anat Geiger, Emma Hajaj, Sharon Merims, Shoshana Frankenburg, Ronny Uzana, Abraham Rutenberg, Arthur Machlenkin, Gabi Frei, Tamar Peretz, Michal Lotem
SLAMF6, a member of the SLAM (signaling lymphocyte activation molecules) family, is a homotypic-binding immune receptor expressed on NK, T, and B lymphocytes. Phosphorylation variance between T-cell subclones prompted us to explore its role in anti-melanoma immunity. Using a 203-amino acid sequence of the human SLAMF6 (seSLAMF6) ectodomain, we found that seSLAMF6 reduced activation-induced cell death and had an anti-apoptotic effect on tumor infiltrating lymphocytes. CD8+ T cells costimulated with seSLAMF6 secreted more interferon gamma and displayed augmented cytolytic activity...
January 5, 2018: Cancer Immunology Research
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