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The human liver contains multiple populations of NK cells, T cells
The human liver contains multiple populations of NK cells, T cells

... CD16, CD56, CD69, CD161 (NKR-P1A), and/or killer cell inhibitory receptors (KIR)6 for MHC class I (11–14). These include a human NKT cell population that coexpresses CD161 and a TCR that is structurally homologous to the murine Va14Ja281 TCR chain, Va24-JaQ (8), which, like their murine Va14Ja281 T ...
The Usefulness of Rabbit Anti-QQQPP Peptide Antibodies to Wheat
The Usefulness of Rabbit Anti-QQQPP Peptide Antibodies to Wheat

... the proteins in a much higher degree then trypsin. Unfortunately, the use of subtilisin involves a risk of creation of peptides with opiate activities or many other biological activities, for example other allergens. It can also cause a decrease in organoleptic quality of the product. Such a risk do ...
lymphatic system
lymphatic system

... A transplant recipient's immune system may react with foreign antigens on the surface of the transplanted tissue, causing a tissue rejection reaction. b. Close matching of donor and recipient tissues can reduce the chances of tissue rejection, and use of immunosuppressive drugs may reduce rejection, ...
lymphatic system
lymphatic system

... A transplant recipient's immune system may react with foreign antigens on the surface of the transplanted tissue, causing a tissue rejection reaction. b. Close matching of donor and recipient tissues can reduce the chances of tissue rejection, and use of immunosuppressive drugs may reduce rejection, ...
Inflammatory Monocytes Activate Memory CD8+ T and
Inflammatory Monocytes Activate Memory CD8+ T and

... We thus compared the activation of OT-I or endogenous LLO91-99-H2-Kd memory CD8+ T cells to that of innate NK lymphocytes in mice that received primary immunization with WT Lm and were challenged with Lm lacking the expression of either Ova257-264 or LLO91-99 cognate epitopes (Figures 2A and S2A). A ...
Cutting Edge: CTLA-4 on Effector T Cells Inhibits In Trans
Cutting Edge: CTLA-4 on Effector T Cells Inhibits In Trans

... also evident in the peripheral blood (Fig. 2C–E). Thus, enhanced egress from LNs does not account for the decreased frequency of CTLA-4 KO 5C.C7 T cells in the presence of WT 5C.C7 T cells. Longitudinal analysis of T cell responses in blood shows that the presence of CTLA-4 on WT T cells decreases t ...
Nerve growth factor levels and localisation in human asthmatic bronchi
Nerve growth factor levels and localisation in human asthmatic bronchi

... important mediator of inflammation. In support of this, serum levels of NGF have been shown to be enhanced in asthmatics. However, it has not yet been shown whether the levels of NGF are also altered locally in asthmatic airways, when compared with healthy subjects, and the localisation of potential ...
A Study of the Ebola Virus Glycoprotein
A Study of the Ebola Virus Glycoprotein

... The Ebola virus (EBOV) is a member of the family, Filoviridae, and is the etiological agent of Ebola hemorrhagic fever (EHF). This disease causes significant morbidity and mortality in humans and non-human primates, with human fatality rates reaching 90% during outbreaks of the Zaire subtype. Curren ...
Resolvin E1 inhibits dendritic cell migration in the skin and
Resolvin E1 inhibits dendritic cell migration in the skin and

... signaling in neutrophils (Haas-Stapleton et al., 2007). In contrast, few studies have been conducted on the effect of RvE1 on acquired immune responses, in which DCs and T cells play major roles in the development. In these studies, the attenuated cytokine production, such as IL-12 and IL-23, from D ...
Effect of Boar Seminal Immunosuppressive Fraction on B
Effect of Boar Seminal Immunosuppressive Fraction on B

... with an immunosuppressive component isolated from boar seminal vesicle secretion reduced responses of B lymphocytes to mitogen as evaluated by [3 H]thymidine or bromo-deoxyuridine incorporation. The proliferative activity of T lymphocytes was not affected. By means of the immunofluorescence method, ...
On the evolutionary ecology of specific immune defence
On the evolutionary ecology of specific immune defence

... immune action against parasites in animals. We neither intend to review the literature on this subject nor discuss the vast knowledge of molecular and cell biology; our purpose is to clarify the framework for the analysis of specific immune defences within evolutionary ecology. In a nutshell, evolut ...
Palmitic Acid Activation of Dendritic Cells
Palmitic Acid Activation of Dendritic Cells

... I would like to express my deepest gratitude to my mentors Drs. William Langridge and Marino De Leon who facilitated my development into a creative and independent researcher. Their professional guidance and belief in me has fostered my love for science. I want to thank them for the incredible suppo ...
MELATONIN AND ITS INFLUENCE ON IMMUNE SYSTEM Our
MELATONIN AND ITS INFLUENCE ON IMMUNE SYSTEM Our

... (Ts) cells, which are also called T regulatory (Treg) cells. It is becoming increasingly clear that there are multiple populations of T cells with regulatory activity and that these can use different mechanisms, including direct cell-to-cell contact and production of anti-inflammatory cytokines, to ...
precious enzymes
precious enzymes

... mediators; suppression of edema; activation of fibrinolysis; reduction of immune complexes (antibody-antigen conglomerates); and proteolytic modification of cell-surface adhesion molecules which guide inflammatory cells to their targets. Such adhesion molecules are known to play an important role in ...
8139
8139

... nanometer-sized G quadruplex–based structures, complicating their manufacturing and hampering their progress into the clinic. In search of a D-ODN substitute, we attempted to multimerize K-ODN into stable nanostructures using cationic peptides. We show that short ODN with a rigid secondary structure ...
The Pathology of Mycobacterium tuberculosis Infection
The Pathology of Mycobacterium tuberculosis Infection

... the MyD88 signaling pathway. Mycolylarabinogalactan-peptidoglycan (MAGP) from the Mtb cell wall can be released into the cytoplasm, where it is detected by the pattern recognition receptor, NOD2/CARD15. Both TLR and NOD2 signaling induce cytokine gene transcription via nuclear factor–kB (NF-kB). Onc ...
Page 1 of 27 Functionally distinct subsets of human
Page 1 of 27 Functionally distinct subsets of human

... Several mechanisms have evolved to restrain CD4+ T cell responses in order to avoid unwanted tissue destruction, immunopathology and autoimmunity. Among these, CD4+ regulatory T (Treg) cells are characterized by their ability to inhibit T cell proliferation in vitro, and by their constitutive expres ...
7 Structure and Function of the Hepatitis E Virus Capsid Related to
7 Structure and Function of the Hepatitis E Virus Capsid Related to

... full-length 72-kDa protein predicted from the sequence of the ORF2 gene, abundant ORF2related polypeptides with molecular weights of 53, 56, and 64 kDa were detected in the insect Sf9 and Tn5 cells (Fig1. A). The amino terminus of the 56.5- and 63-kDa proteins was amino acid 112, while the carboxy t ...
of two
of two

... many of the molecular mechanisms underlying the proposed functions remain unclear. On the other hand, prokaryotic CCPs are poorly characterized from the biochemical and functional point of view. The present work aimed to provide more information on key structural and functional features of M14D subf ...
Immunology Lecture – 6
Immunology Lecture – 6

Novel technologies and emerging biomarkers for personalized
Novel technologies and emerging biomarkers for personalized

thesis
thesis

... Pregnancy success is associated with the placenta that is not only essential for oxygen supply, nourishment and pregnancy hormones but also plays a role in the protection of the fetus against maternal immunologic attack. The aim of the current studies was to elucidate the role of human placenta as a ...
Thymus Gland - Spirit of Health
Thymus Gland - Spirit of Health

... or to and after birth. If the newborn calf does not get colostrum from its mother within the first week, it will die. Unlike in human ws, so the calf must get it all from the colostrum. This factor may elevate colostrum`s potential in human supplementation. ...
Vaccination with recombinant fusion proteins incorporating Toll
Vaccination with recombinant fusion proteins incorporating Toll

... (reviewed in [10,11]). The recognition of distinct pathogenassociated molecular patterns (PAMPs) is mediated by specific TLR receptors, including TLR2 (lipidated peptides and lipoteichoic acids), TLR3 (double stranded RNA), TLR4 (lipopolysaccharide), TLR5 (flagellin), and TLR9 (unmethylated CpG DNA) ...
Artificial Immune Systems
Artificial Immune Systems

... To implement a basic Artificial Immune System, four decisions have to be made: encoding, similarity measure, selection and mutation. Once an encoding has been fixed and a suitable similarity measure has been chosen, the algorithm will then perform selection and mutation, both based on the similarity ...
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Molecular mimicry

Molecular mimicry is defined as the theoretical possibility that sequence similarities between foreign and self-peptides are sufficient to result in the cross-activation of autoreactive T or B cells by pathogen-derived peptides. Despite the promiscuity of several peptide sequences which can be both foreign and self in nature, a single antibody or TCR (T cell receptor) can be activated by even a few crucial residues which stresses the importance of structural homology in the theory of molecular mimicry. Upon the activation of B or T cells, it is believed that these ""peptide mimic"" specific T or B cells can cross-react with self-epitopes, thus leading to tissue pathology (autoimmunity). Molecular mimicry is a phenomenon that has been just recently discovered as one of several ways in which autoimmunity can be evoked. A molecular mimicking event is, however, more than an epiphenomenon despite its low statistical probability of occurring and these events have serious implications in the onset of many human autoimmune disorders. In the past decade the study of autoimmunity, the failure to recognize self antigens as ""self,"" has grown immensely. Autoimmunity is a result of a loss of immunological tolerance, the ability for an individual to discriminate between self and non-self. Growth in the field of autoimmunity has resulted in more and more frequent diagnosis of autoimmune diseases. Consequently, recent data show that autoimmune diseases affect approximately 1 in 31 people within the general population. Growth has also led to a greater characterization of what autoimmunity is and how it can be studied and treated. With an increased amount of research, there has been tremendous growth in the study of the several different ways in which autoimmunity can occur, one of which is molecular mimicry. The mechanism by which pathogens have evolved, or obtained by chance, similar amino acid sequences or the homologous three-dimensional crystal structure of immunodominant epitopes remains a mystery.
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