Results 31 to 40 of about 247,672 (311)

Cord blood Vα24-Vβ11 natural killer T cells display a Th2-chemokine receptor profile and cytokine responses [PDF]

open access: yes, 2011
Background: The fetal immune system is characterized by a Th2 bias but it is unclear how the Th2 predominance is established. Natural killer T (NKT) cells are a rare subset of T cells with immune regulatory functions and are already activated in utero ...
Elfriede Noessner   +32 more
core   +1 more source

Activation of human natural killer cells by Plasmodium falciparum [PDF]

open access: yes, 2003
The purpose of work described in this thesis was to (i) determine the contribution of innate immune responses to the early pro-inflammatory cytokine response to Plasmodium falciparum, (ii) describe the kinetics and ...
Artavanis-Tsakonas, Katerina
core   +1 more source

Natural Killer T Cell Based Immunotherapy [PDF]

open access: yesJournal of Vaccines & Vaccination, 2012
Natural killer T (NKT) cells play an important immunoregulatory role and are thought to bridge the innate and adaptive immune responses. Following activation through cognate interactions with lipid antigen presented in the context of CD1d molecules, NKT cells rapidly produce a plethora of cytokines and can also mediate cytotoxicity. Due to their potent
Priyanka B, Subrahmanyam   +4 more
openaire   +2 more sources

Natural killer or natural killer/T cell lineage large granular lymphocytosis associated with dasatinib therapy for Philadelphia chromosome positive leukemia

open access: yesHaematologica, 2009
Dasatinib, a dual tyrosine kinase inhibitor, is known to modulate or suppress T-cell activation and proliferation. We report a series of 8 patients who developed chronic peripheral lymphocytosis, identified as natural killer cells or natural killer/T ...
Dong Hwan Kim   +7 more
doaj   +1 more source

Matched sizes of activating and inhibitory receptor/ligand pairs are required for optimal signal integration by human Natural Killer cells [PDF]

open access: yes, 2010
It has been suggested that receptor-ligand complexes segregate or co-localise within immune synapses according to their size, and this is important for receptor signaling.
Mehrabi, M   +59 more
core   +1 more source

Natural Killer T Cells and Mucosal-Associated Invariant T Cells in Lung Infections

open access: yesFrontiers in Immunology, 2018
The immune system has been traditionally divided into two arms called innate and adaptive immunity. Typically, innate immunity refers to rapid defense mechanisms that set in motion within minutes to hours following an insult.
François Trottein   +6 more
doaj   +1 more source

Epstein–Barr Virus-Specific Immune Control by Innate Lymphocytes

open access: yesFrontiers in Immunology, 2017
Epstein–Barr virus (EBV) is a potent B cell transforming pathogen in humans. In most persistently EBV-infected individuals, potent cytotoxic lymphocyte responses prevent EBV-associated pathologies.
Christian Münz
doaj   +1 more source

Natural killer T cells and the regulation of asthma [PDF]

open access: yesMucosal Immunology, 2009
A crucial role has been suggested for invariant natural killer T cells (iNKT) in regulating the development of asthma, a complex and heterogeneous disease characterized by airway inflammation and airway hyperreactivity (AHR). iNKT cells constitute a unique subset of T cells responding to endogenous and exogenous lipid antigens, rapidly secreting a ...
P, Matangkasombut   +3 more
openaire   +2 more sources

Genetic modification and effector functions of natural killer cells in acute myeloid leukemia [PDF]

open access: yes, 2006
Acute myeloid leukemia (AML) is characterized by a poor long-term outcome in the majority of patients following conventional treatment with chemotherapy.
Siegler, Uwe
core   +1 more source

Ex vivo-expanded highly purified natural killer cells in combination with temozolomide induce antitumor effects in human glioblastoma cells in vitro.

open access: yesPLoS ONE, 2019
Glioblastoma is the leading malignant glioma with a poor prognosis. This study aimed to investigate the antitumor effects of natural killer cells in combination with temozolomide as the standard chemotherapeutic agent for glioblastoma.
Yoshitaka Tanaka   +12 more
doaj   +1 more source

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