keyword
MENU ▼
Read by QxMD icon Read
search

nkp46

keyword
https://www.readbyqxmd.com/read/29780393/immunomodulatory-drugs-exert-anti-leukemia-effects-in-acute-myeloid-leukemia-by-direct-and-immunostimulatory-activities
#1
Aude Le Roy, Thomas Prébet, Rémy Castellano, Armelle Goubard, Florence Riccardi, Cyril Fauriat, Samuel Granjeaud, Audrey Benyamine, Céline Castanier, Florence Orlanducci, Amira Ben Amara, Frédéric Pont, Jean-Jacques Fournié, Yves Collette, Jean-Louis Mege, Norbert Vey, Daniel Olive
Immunomodulatory drugs (IMiDs) are anticancer drugs with immunomodulatory, anti-angiogenesis, anti-proliferative, and pro-apoptotic properties. IMiDs are currently used for the treatment of multiple myeloma, myelodysplastic syndrome, and B-cell lymphoma; however, little is known about efficacy in acute myeloid leukemia (AML). We proposed in this study to investigate the relevance of IMiDs therapy for AML treatment. We evaluated the effect of IMiDs on primary AML blasts ( n  = 24), and the impact in natural killer (NK) cell-mediated immunosurveillance of AML...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29764843/poorly-cytotoxic-terminally-differentiated-cd56-neg-cd16-pos-nk-cells-accumulate-in-kenyan-children-with-burkitt-lymphomas
#2
Catherine S Forconi, Cormac P Cosgrove, Pryia Saikumar-Lakshmi, Christina E Nixon, Joslyn Foley, John Michael Ong'echa, Juliana A Otieno, Galit Alter, Christian Münz, Ann M Moormann
Natural killer (NK) cells are critical for restricting viral infections and mediating tumor immunosurveillance. Epstein-Barr virus (EBV) and Plasmodium falciparum malaria are known risk factors for endemic Burkitt lymphoma (eBL), the most common childhood cancer in equatorial Africa. To date, the composition and function of NK cells have not been evaluated in eBL etiology or pathogenesis. Therefore, using multiparameter flow cytometry and in vitro killing assays, we compared NK cells from healthy children and children diagnosed with eBL in Kenya...
May 22, 2018: Blood Advances
https://www.readbyqxmd.com/read/29740438/the-nkg2d-nkg2dl-axis-in-the-crosstalk-between-lymphoid-and-myeloid-cells-in-health-and-disease
#3
REVIEW
Ana Stojanovic, Margareta P Correia, Adelheid Cerwenka
Natural killer group 2, member D (NKG2D) receptor is a type II transmembrane protein expressed by both innate and adaptive immune cells, including natural killer (NK) cells, CD8+ T cells, invariant NKT cells, γδ T cells, and some CD4+ T cells under certain pathological conditions. NKG2D is an activating NK receptor that induces cytotoxicity and production of cytokines by effector cells and supports their proliferation and survival upon engagement with its ligands. In both innate and T cell populations, NKG2D can costimulate responses induced by other receptors, such as TCR in T cells or NKp46 in NK cells...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29734222/progressive-lentivirus-infection-induces-natural-killer-cell-receptor-expressing-b-cells-in-the-gastrointestinal-tract
#4
Cordelia Manickam, Chiadika Nwanze, Daniel R Ram, Spandan V Shah, Scott Smith, Rhianna Jones, Brady Hueber, Kyle Kroll, Valerie Varner, Paul Goepfert, Stephanie Jost, R Keith Reeves
OBJECTIVE: Recently, a seemingly novel innate immune cell subset bearing features of natural killer and B cells was identified in mice. So-called NKB cells appear as first responders to infections, but whether this cell population is truly novel or is in fact a subpopulation of B cells and exists in higher primates remains unclear. The objective of this study was to identify NKB cells in primates and study the impact of HIV/SIV infections. DESIGN AND METHODS: NKB cells were quantified in both naïve and lentivirus infected rhesus macaques and humans by excluding lineage markers (CD3, CD127), and positive Boolean gating for CD20, NKG2A/C and/or NKp46...
May 3, 2018: AIDS
https://www.readbyqxmd.com/read/29702643/dependence-of-innate-lymphoid-cell-1-development-on-nkp46
#5
Yufeng Wang, Wenjuan Dong, Yibo Zhang, Michael A Caligiuri, Jianhua Yu
NKp46, a natural killer (NK) cell-activating receptor, is involved in NK cell cytotoxicity against virus-infected cells or tumor cells. However, the role of NKp46 in other NKp46+ non-NK innate lymphoid cell (ILC) populations has not yet been characterized. Here, an NKp46 deficiency model of natural cytotoxicity receptor 1 (Ncr1)gfp/gfp and Ncr1gfp/+ mice, i.e., homozygous and heterozygous knockout (KO), was used to explore the role of NKp46 in regulating the development of the NKp46+ ILCs. Surprisingly, our studies demonstrated that homozygous NKp46 deficiency resulted in a nearly complete depletion of the ILC1 subset (ILC1) of group 1 ILCs, and heterozygote KO decreased the number of cells in the ILC1 subset...
April 2018: PLoS Biology
https://www.readbyqxmd.com/read/29683419/haemagglutinin-neuraminidase-from-hpiv3-mediates-human-nk-regulation-of-t-cell-proliferation-via-nkp44-and-nkp46
#6
Samantha McQuaid, Sinead Loughran, Patrick Power, Paula Maguire, Dermot Walls, Maria Grazia Cusi, Claes Orvell, Patricia Johnson
HPIV3 is a respiratory virus causing airway diseases, including pneumonia, croup, and bronchiolitis, during infancy and childhood. Currently there is no effective vaccine or anti-viral therapy for this virus. Studies have suggested that poor T cell proliferation following HPIV3 infection is responsible for impaired immunological memory associated with this virus. We have previously demonstrated that NK cells mediate regulation of T cell proliferation during HPIV3 infection. Here we add to these studies by demonstrating that the regulation of T cell proliferation during HPIV3 infection is mediated via NK receptors NKp44 and NKp46 and involves the surface glycoprotein haemagglutinin-neuraminidase but not the fusion protein of the virus...
April 23, 2018: Journal of General Virology
https://www.readbyqxmd.com/read/29661825/nkp46-calibrates-tumoricidal-potential-of-type-1-innate-lymphocytes-by-regulating-trail-expression
#7
Gleb Turchinovich, Stefan Ganter, Anne Bärenwaldt, Daniela Finke
NK cells are a subset of group 1 innate lymphocytes that recognize and eliminate virus-infected and transformed cells. During the course of their development, NK cells acquire a repertoire of activating and inhibitory receptors, which ultimately define their reactivity against target cells. The array of receptors and their specificity during early developmental stages will control and imprint functional properties of NK cells, a process known as "NK cell education." Innate lymphoid cells (ILCs) are a diverse group of lymphocytes, which, like NK cells, do not rely on somatically rearranged Ag receptors for recognition...
April 16, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29625837/hbsag-stimulates-nkg2d-receptor-expression-on-natural-killer-cells-and-inhibits-hepatitis-c-virus-replication
#8
Xiao-Xiao Wang, Xiao-Ben Pan, Jin-Chao Han, Xu Cong, Qian Jin, Xiang-Sha Kong, Lai Wei, Bo Feng
BACKGROUND: Higher hepatitis B surface antigen (HBsAg) facilitates hepatitis C virus (HCV) clearance in patients with hepatitis B virus (HBV)/HCV co-infection. We investigated the effect of exogenous HBsAg on the inhibition of HCV replication mediated by natural killer (NK) cells. METHODS: After isolated from peripheral blood of 42 chronic hepatitis B (CHB) patients and 16 healthy individuals, NK cells were co-cultured with HCV-infected Huh7 cells, respectively, with or without HBsAg...
March 26, 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/29590608/the-murine-natural-cytotoxic-receptor-nkp46-ncr1-controls-trail-protein-expression-in-nk-cells-and-ilc1s
#9
Sam Sheppard, Iona S Schuster, Christopher E Andoniou, Clement Cocita, Thomas Adejumo, Sam K P Kung, Joseph C Sun, Mariapia A Degli-Esposti, Nadia Guerra
TRAIL is an apoptosis-inducing ligand constitutively expressed on liver-resident type 1 innate lymphoid cells (ILC1s) and a subset of natural killer (NK) cells, where it contributes to NK cell anti-tumor, anti-viral, and immunoregulatory functions. However, the intrinsic pathways involved in TRAIL expression in ILCs remain unclear. Here, we demonstrate that the murine natural cytotoxic receptor mNKp46/NCR1, expressed on ILC1s and NK cells, controls TRAIL protein expression. Using NKp46-deficient mice, we show that ILC1s lack constitutive expression of TRAIL protein and that NK cells activated in vitro and in vivo fail to upregulate cell surface TRAIL in the absence of NKp46...
March 27, 2018: Cell Reports
https://www.readbyqxmd.com/read/29580037/analysis-of-the-expression-of-surface-receptors-on-nk-cells-and-nkg2d-on-immunocytes-in-peripheral-blood-of-patients-with-nasopharyngeal-carcinoma
#10
Yuanji Xu, Rui Zhou, Chuanzhong Huang, Mingwei Zhang, Jieyu Li, Jingfeng Zong, Sufang Qiu, Shaojun Lin, Honglin Chen, Yunbin Ye, Jianji Pan
Background: The aberrant expression of surface receptors on immunocytes may represent potential markers of tumor escape for nasopharyngeal carcinoma (NPC). The aim of this study was to investigate the expression of representative receptors on natural killer (NK) cells and NK group 2, member D (NKG2D) on immunocytes in the peripheral blood of patients with NPC. Methods: Patients (n = 64) with NPC prior to initiation of treatment were defined as the study group. Healthy volunteers (n = 31) served as the control group...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29560282/vaccination-route-can-significantly-alter-the-innate-lymphoid-cell-subsets-a-feedback-between-il-13-and-ifn-%C3%AE
#11
Zheyi Li, Ronald J Jackson, Charani Ranasinghe
This study demonstrates that the fate of a vaccine is influenced by the cytokines produced by the innate lymphoid cells (ILC) recruited to the vaccination site, and it is vaccine route and adjuvant dependent. Intranasal virus vaccination induced ST2/IL-33R+ ILC2 in lung, while intramuscular vaccination induced exclusively IL-25R+ ILC2 in muscle. Interestingly, a larger proportion of IL-13+ ILC2s were detected in muscle following i.m. viral vector vaccination compared to lung post i.n. delivery. These observations revealed that ILC2 were the main source of IL-13 at the vaccination site (24 h post vaccination) responsible for inducing T cells of varying avidities...
2018: NPJ Vaccines
https://www.readbyqxmd.com/read/29559978/human-body-composition-and-immunity-visceral-adipose-tissue-produces-il-15-and-muscle-strength-inversely-correlates-with-nk-cell-function-in-elderly-humans
#12
Ahmad Al-Attar, Steven R Presnell, Jody L Clasey, Douglas E Long, R Grace Walton, Morgan Sexton, Marlene E Starr, Philip A Kern, Charlotte A Peterson, Charles T Lutz
Natural killer (NK) lymphocyte-mediated cytotoxicity and cytokine secretion control infections and cancers, but these crucial activities decline with age. NK cell development, homeostasis, and function require IL-15 and its chaperone, IL-15 receptor alpha (IL-15Rα). Macrophages and dendritic cells (DC) are major sources of these proteins. We had previously postulated that additional IL-15 and IL-15Rα is made by skeletal muscle and adipose tissue. These sources may be important in aging, when IL-15-producing immune cells decline...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29542132/how-do-we-manufacture-clinical-grade-interleukin-15-stimulated-natural-killer-cell-products-for-cancer-treatment
#13
Lucía Fernández, Alejandra Leivas, Jaime Valentín, Adela Escudero, Dolores Corral, Raquel de Paz, Maria Vela, David Bueno, Rebeca Rodríguez, Juan Manuel Torres, Mariana Díaz-Almirón, Eduardo López-Collazo, Joaquin Martinez-Lopez, Antonio Pérez-Martínez
BACKGROUND: Cancer immunotherapy involving natural killer (NK) cells has gained interest. Here we report two methods to obtain interleukin (IL)-15-activated NK cells for clinical use. STUDY DESIGN AND METHODS: IL-15-activated NK cell products were obtained after 1) enrichment from healthy haploidentical donors' peripheral blood mononuclear cells (PBMNCs) collected by nonmobilized apheresis by a two-step magnetic procedure, depletion of CD3+ cells followed by selection of CD56+ cells and ex vivo overnight stimulation with IL-15 (NKIL15); and 2) expansion using the K562-mb15-41BBL cell line (NKAE), from autologous PBMNCs from patients with multiple myeloma or expansion from healthy haploidentical PBMNCs obtained from whole blood using the same previous cell line...
March 14, 2018: Transfusion
https://www.readbyqxmd.com/read/29541698/adcc-mediated-cd56-dim-nk-cell-responses-are-associated-with-early-hbsag-clearance-in-acute-hbv-infection
#14
Wen-Han Yu, Cormac Cosgrove, Christoph T Berger, Patrick C Cheney, Marina Krykbaeva, Arthur Y Kim, Lia Lewis-Ximenez, Georg M Lauer, Galit Alter
Background: Hepatitis B virus (HBV) affects up to 400 million people worldwide and accounts for approximately one million deaths per year from liver pathologies. Current treatment regimens are effective in suppressing viremia but usually have to be taken indefinitely, warranting research into new therapeutic approaches. Acute HBV infection in adults almost universally results in resolution of viremia, with the exception of immunocompromised persons, suggesting that the immune response can functionally cure or even eradicate HBV infection...
2018: Pathogens & Immunity
https://www.readbyqxmd.com/read/29536572/multiple-genetically-modified-gtko-hcd46-hla-e-h%C3%AE-2-mg-porcine-hearts-are-protected-from-complement-activation-and-natural-killer-cell-infiltration-during-ex-vivo-perfusion-with-human-blood
#15
Jan-Michael Abicht, Riccardo Sfriso, Bruno Reichart, Matthias Längin, Katja Gahle, Gisella L Puga Yung, Jörg D Seebach, Robert Rieben, David Ayares, Eckhard Wolf, Nikolai Klymiuk, Andrea Baehr, Alexander Kind, Tanja Mayr, Andreas Bauer
BACKGROUND: In pig-to-human xenotransplantation, early cellular rejection reactions are mediated by natural killer cells (NK cells). Human NK cells are inhibited by HLA-E via CD94/NKG2A receptors. To protect porcine grafts against human NK cell responses, transgenic GTKO pigs expressing hCD46 and HLA-E have been generated. The aim of this study was to test the effect of this genetic modification on xenogeneic, and in particular human NK cell response, using an ex vivo perfusion model of pig hearts with human blood...
March 14, 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29466761/nkp46-receptor-mediated-interferon-%C3%AE-production-by-natural-killer-cells-increases-fibronectin-1-to-alter-tumor-architecture-and-control-metastasis
#16
Ariella Glasner, Assi Levi, Jonatan Enk, Batya Isaacson, Sergey Viukov, Shari Orlanski, Alon Scope, Tzahi Neuman, Claes D Enk, Jacob H Hanna, Veronika Sexl, Stipan Jonjic, Barbara Seliger, Laurence Zitvogel, Ofer Mandelboim
No abstract text is available yet for this article.
February 20, 2018: Immunity
https://www.readbyqxmd.com/read/29459428/attenuation-of-nk-cells-facilitates-mammary-tumor-growth-in-streptozotocin-induced-diabetes-in-mice
#17
Nevena Gajovic, Milena Jurisevic, Jelena Pantic, Gordana Radosavljevic, Nebojsa Arsenijevic, Miodrag L Lukic, Ivan Jovanovic
Diabetic patients have higher incidence and mortality of cancer. Recent study revealed that hyperglycemia-induced oxidative stress is involved in the acceleration of tumor metastasis. We used model of high-dose streptozotocin-induced diabetes to investigate its effect on tumor growth and modulation of antitumor immune response of 4T1 murine breast cancer in BALB/c mice. Diabetes accelerated tumor appearance, growth and weight, which was associated with decreased NK cells cytotoxicity against 4T1 tumor cells in vitro Diabetes reduced frequencies of systemic NKG2D+ , perforin+ , granzyme+ , IFN-γ+ and IL-17+ NK cells, while increased level of PD-1 expression and production of IL-10 in NK cells...
April 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29449271/targeted-therapies-for-targeted-populations-anti-egfr-treatment-for-egfr-amplified-gastroesophageal-adenocarcinoma
#18
Steven B Maron, Lindsay Alpert, Heewon A Kwak, Samantha Lomnicki, Leah Chase, David Xu, Emily O'Day, Rebecca J Nagy, Richard B Lanman, Fabiola Cecchi, Todd Hembrough, Alexa Schrock, John Hart, Shu-Yuan Xiao, Namrata Setia, Daniel V T Catenacci
Previous anti-EGFR trials in unselected patients with gastroesophageal adenocarcinoma (GEA) were resoundingly negative. We identified EGFR amplification in 5% (19/363) of patients at the University of Chicago, including 6% (8/140) who were prospectively screened with intention-to-treat using anti-EGFR therapy. Seven patients received ≥1 dose of treatment: three first-line FOLFOX plus ABT-806, one second-line FOLFIRI plus cetuximab, and three third/fourth-line cetuximab alone. Treatment achieved objective response in 58% (4/7) and disease control in 100% (7/7) with a median progression-free survival of 10 months...
February 15, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29444897/role-of-nkp46-natural-killer-cells-in-house-dust-mite-driven-asthma
#19
Eline Haspeslagh, Mary J van Helden, Kim Deswarte, Sofie De Prijck, Justine van Moorleghem, Louis Boon, Hamida Hammad, Eric Vivier, Bart N Lambrecht
House dust mite (HDM)-allergic asthma is driven by T helper 2 (Th2) lymphocytes, but also innate immune cells control key aspects of the disease. The precise function of innate natural killer (NK) cells during the initiation and propagation of asthma has been very confusing, in part because different, not entirely specific, strategies were used to target these cells. We show that HDM inhalation rapidly led to the accumulation of NK cells in the lung-draining lymph nodes and of activated CD69+ NK cells in the bronchoalveolar lumen...
April 2018: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29440510/educated-natural-killer-cells-show-dynamic-movement-of-the-activating-receptor-nkp46-and-confinement-of-the-inhibitory-receptor-ly49a
#20
Elina Staaf, Per Niklas Hedde, Sunitha Bagawath Singh, Joachim Piguet, Enrico Gratton, Sofia Johansson
Educated natural killer (NK) cells have inhibitory receptors specific for self major histocompatibility complex (MHC) class I molecules and kill cancer cells more efficiently than do NK cells that do not have such receptors (hyporesponsive NK cells). The mechanism behind this functional empowerment through education has so far not been fully described. In addition, distinctive phenotypic markers of educated NK cells at the single-cell level are lacking. We developed a refined version of the image mean square displacement (iMSD) method (called iMSD carpet analysis) and used it in combination with single-particle tracking to characterize the dynamics of the activating receptor NKp46 and the inhibitory receptor Ly49A on resting educated versus hyporesponsive murine NK cells...
February 13, 2018: Science Signaling
keyword
keyword
45888
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"