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From:Science (Vol. 254, Issue 5033) Peer-ReviewedMOST ANTIGENS ARE RECOGNIZED through their interaction with the variable V portions of the T cell receptor (TCR) [alpha] and [beta] chains (1). However, T cells recognize another category of ligands, the superantigens,...
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From:Chest (Vol. 103, Issue 2) Peer-ReviewedThe genes for the [alpha] and [beta] chains of the T cell antigen receptor are constructed, like those of immunoglobulin light and heavy chains, by gene rearrangement. During its development, each T cell has the choice...
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From:Journal of Biomedicine and BiotechnologyPeer-ReviewedWe report here the design and construction of several gene vectors for expression in mammalian cells of membrane-bound and soluble human T cell receptors (TR).We designed a vector (TR-ALPHA-IRES-TR-BETA pEF4) that...
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From:Nature Medicine (Vol. 18, Issue 3) Peer-ReviewedCD4-unhelped CD8+ T cells are functionally defective T cells primed in the absence of CD4+ T cell help. Given the co-stimulatory role of natural-killer group 2, member D protein (NKG2D) on CD8+ T cells, we investigated...
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From:Science (Vol. 286, Issue 5443) Peer-ReviewedThe factors required for the generation of memory CD4 T cells remain unclear, and whether there is a continuing requirement for antigen stimulation is critical to design of vaccine strategies. CD4 effectors generated in...
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From:Science (Vol. 293, Issue 5538) Peer-ReviewedThe molecular adapter Fyb/Slap regulates signaling downstream of the T cell receptor (TCR), but whether it plays a positive or negative role is controversial. We demonstrate that Fyb/Slap-deficient T cells exhibit...
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From:Nature (Vol. 567, Issue 7749) Peer-ReviewedAuthor(s): Joyce Chen 1 2 3 4 , Isaac F. López-Moyado 1 4 5 , Hyungseok Seo 1 , Chan-Wang J. Lio 1 , Laura J. Hempleman 1 , Takashi Sekiya 6 , Akihiko Yoshimura 7 , James P. Scott-Browne 1 4 9 , Anjana Rao 1 3 4 8...
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From:PLoS ONE (Vol. 13, Issue 7) Peer-ReviewedFollowing positive selection, thymocytes migrate into the medulla where they encounter diverse self-antigens that induce central tolerance. Thymocytes expressing T cell receptors (TCRs) with high affinity for...
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From:PLoS ONE (Vol. 11, Issue 3) Peer-ReviewedNaive T cells in untreated HIV-1 infected individuals have a reduced T-cell receptor excision circle (TREC) content. Previous mathematical models have suggested that this is due to increased naive T-cell division. It...
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From:BMC Research Notes (Vol. 6, Issue 1) Peer-ReviewedBackground Construction of artificial polyepitope antigens is one of the most promising strategies for developing more efficient and safer vaccines evoking T-cell immune responses. Epitope rearrangements and...
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From:Journal of Clinical Investigation (Vol. 131, Issue 21) Peer-ReviewedDirect allorecognition, the ability of host T cells to recognize intact allogeneic MHC molecules on transplanted tissues, is often assumed to be less dependent on the peptide bound to the MHC molecule than are other...
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From:Nature (Vol. 565, Issue 7737) Peer-ReviewedMicroorganisms in the human gut can affect immune-system cells. Gut bacterial strains have been discovered that boost immune cells that have cell-killing capacity and that can target cancer and protect against...
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From:Science (Vol. 246, Issue 4930) Peer-ReviewedVaccination Against Experimental Allergic Encephalomyelitis with T Cell Receptor Peptides ENCEPHALITOGENIC T CELLS [1-3] from mouse and rat models of EAE use common germline TCR genes [4-8], despite known differences...
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From:Expert Review of Anti-infective Therapy (Vol. 5, Issue 1) Peer-ReviewedAuthor(s): Suryaprakash Sambhara [[dagger]] 1 , Robert I Lehrer 2 For over 60 years, antibiotics have enabled millions of people to survive infections that would have been lethal in earlier eras. However, the...
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From:Expert Review of Clinical Immunology (Vol. 3, Issue 3) Peer-ReviewedAuthor(s): Bryan S Clay [[dagger]] 1 , Anne I Sperling 2 Keywords: autoimmunity; CD28; costimulation; CTLA-4; ICOS; PD-1; T cell Since many immunologic diseases are T-cell mediated, the promise of treatments...
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From:Nature (Vol. 448, Issue 7149) Peer-ReviewedAuthor(s): D. Branch Moody [1] Most cellular receptors coevolve with their target ligands through repeated interactions over millennia. The immune system has no such luxury. When new infectious agents such as HIV or...
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From:Journal of the Tennessee Academy of SciencePeer-ReviewedDYNAMICS OF T-CELL RECEPTOR: CD3 COMPLEX CELL SURFACE EXPRESSION AND DOWN MODULATION. Haiyan Liu [*], Dario A. Vignal, Michele Rhodes, and David Wiest, The University of Tennessee, Memphis, Memphis, Tennessee (HL), St....
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From:The Scientist (Vol. 17, Issue 9) Peer-Reviewed"We can do things that haven't been done before, I think, ever in cell biology," exclaims Mark Davis of Stanford University. His 3-D, fluorescence video-microscopy system allows him to count the number of antigen...
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From:Science (Vol. 272, Issue 5258) Peer-ReviewedAdvancement in the understanding of the immune system at the molecular level has led to innovative cancer treatments. Scientists are studying how cancer-attacking immune cells work. Studies indicate that T cells are...
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From:Science (Vol. 257, Issue 5071) Peer-ReviewedThe [zeta] subunit of the T cell antigen receptor (TCR) exists primarily as a disulfide-linked homodimer. This receptor subunit is important in TCR-mediated signal transduction and is a substrate for a TCR-activated...