Natural killer cells: roundup

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Increased Natural Killer Cells Activity in Schizophrenic Patients

Background: Schizophrenia has been associated with altered immunity. Different studies regarding natural killer cell activity (NKA) in schizophrenic patients have shown inconsistent results. Objectives: To evaluate NK cell activity in schizophrenic patients in comparison with healthy control individuals.   Methods: 30 medication-free schizophrenic patients and 41 healthy sex, age and smoking st...

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Natural killer cells

What do they do? NK cells are equipped with cytotoxic granules that contain the arsenal of cytotoxic molecules used in killing virally infected and cancerous cells. They recognize their targets, in part, by means of activating signals that are only just beginning to be identified, but also by detecting cells that are deficient in cell-surface class I molecules of the major histocompatibility co...

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n Natural Killer Cells

The Src homology (SH) 2/SH3 domain-containing protein Grb2 and the oncoprotein Shc have been implicated in a highly conserved mechanism that regulates p21 ras activation. We investigated the involvement of these adaptor proteins in the signaling pathway induced by CD16 or interleukin (IL) 2R triggering in human natural killer (NK) cells. Both p46 and p52 forms of Shc were rapidly and transientl...

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Human natural killer cells.

Natural killer (NK) cells were discovered more than 30 years ago. NK cells are large granular lymphocytes that belong to the innate immune system because unlike T or B lymphocytes of the adaptive or antigen-specific immune system, NK cells do not rearrange T-cell receptor or immunoglobulin genes from their germline configuration. During the past 2 decades there has been a substantial gain in ou...

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Natural killer cells in psoriasis.

Psoriasis is one of the most common immune-mediated disorders. There is evidence that it is mediated by Th1 and, more recently, Th17 cells. The cytokine pattern, particularly the dominance of TNF-α, implicates the innate immune system in psoriasis pathogenesis. Of the many components of the innate immune system known to be involved in psoriatic lesions, natural killer and natural killer T cells...

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ژورنال

عنوان ژورنال: Immunological Reviews

سال: 2006

ISSN: 0105-2896,1600-065X

DOI: 10.1111/j.1600-065x.2006.00464.x