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Memory Cells in Old Age T Cells Are Potent + CD25
Memory Cells in Old Age T Cells Are Potent + CD25

... Institute for Biomedical Aging Research, Austrian Academy of Sciences, Rennweg 10, 6020 Innsbruck, Austria. E-mail address: [email protected] Copyright © 2005 by The American Association of Immunologists, Inc. ...
ICH E10
ICH E10

... Drugs not intended to affect immune function but cause immunotoxicity due, for instance, to necrosis or apoptosis of immune cells or interaction with cellular receptors shared by both target tissues and non-target immune system cells. ...
curriculum vitae
curriculum vitae

... Lio, and D. G. Alleva. 2003. Cutting edge: diabetes-associated quantitative trait locus, Idd4, is responsible for the IL-12p40 over-expression defect in non-obese diabetic (NOD) mice. J Immunol 171:3333. 12. Kim, H. J., J. P. Antel, P. Duquette, D. G. Alleva, P. J. Conlon, and A. Bar-Or. 2002. Persi ...
NEUTROPHIL GRANULE PROTEINS:
NEUTROPHIL GRANULE PROTEINS:

Modelling T Cell Activation
Modelling T Cell Activation

... presenting cells, the dendritic cells (DCs), sit and wait at the interfaces between the body and the environment. DCs constantly sample the environment, and then migrate to the secondary lymphoid organs (lymph nodes and spleen) where they present their captured antigens to the T cells. If the T cel ...
Characterization of the spontaneous SOS response in
Characterization of the spontaneous SOS response in

... reach the peptidoglycan matrix (Wang et al., 2000). In some cases infection leads to an abortive infection in which the bacterium along with the invading phage are killed (Horvath and Barrangou, 2010). ii) Lysogenic prophages on the other hand remain dormant w ...
Advanced Tests
Advanced Tests

... Predominantly antibody deficiencies • 3. Severe reduction in serum IgG and IgA with increased IgM and normal numbers of B cells (a) AID deficiency(b) UNG deficiency • 4. Isotype or light chain deficiencies with normal numbers of B cells (a) Ig heavy chain deletions (b) κ Chain deficiency (c) Isolat ...
Dangerous Byproducts of Alcohol Breakdown
Dangerous Byproducts of Alcohol Breakdown

INFECTIOUS DISEASES PART II
INFECTIOUS DISEASES PART II

... Direct viral cytotoxicity The specific agent may evoke a cell-mediated immune reaction  damages the cardiac myofibers harboring virus or virus dictated antigens ...
Article
Article

... Please cite this article in press as: Lynch et al., Adipose Tissue Invariant NKT Cells Protect against Diet-Induced Obesity and Metabolic Disorder through Regulatory Cytokine Production, Immunity (2012), http://dx.doi.org/10.1016/j.immuni.2012.06.016 ...
The Aryl Hydrocarbon Receptor in Barrier Organ Physiology
The Aryl Hydrocarbon Receptor in Barrier Organ Physiology

... primarily involved in biotransformation and detoxification is rapidly changing. As regarded today, the AhR plays an important role in cell development, differentiation, and function. Recent evidence from studies with full and conditional AhR-deficient animal models implies important endogenous roles ...
Contribution of the outer surface proteins of Borrelia
Contribution of the outer surface proteins of Borrelia

... Contribution of the outer surface proteins of Borrelia burgdorferi s. L to the pathogenesis of Lyme disease. Maria Jonsson, Department of Microbiology, Umeå University, Sweden. Borrelia burgdorferi s. I is a spirochete which causes the multisystemic disorder Lyme disease. As the borreliae lack toxin ...
The Immune System
The Immune System

... attacks by foreign invaders these are primarily, how to boost your immune system harvard health - on the whole your immune system does a remarkable job of defending you against disease causing microorganisms but sometimes it fails a germ invades successfully, immunotherapy using the immune system to ...
Colostrum and the Health of Newborn Kids By Jack Mauldin I have
Colostrum and the Health of Newborn Kids By Jack Mauldin I have

... cloistral quality is best done through good nutrition, health care and vaccination of the dam. The doe experiences an increase in antibody production, in the weeks preceding kidding and antibodies are transported into the colostrum. Older does are likely to have a wider experience with diseases they ...
Hypersensitivity
Hypersensitivity

... IL-6, IL-12, TGF-b ...


... hymenoptera venom toxins such as melittin or mastoporan [174, 337, 338], the ninth component of complement [339], and perforin 1 from natural killer and cytotoxic T-lymphocytes [340] as well as bacterial streptolysinO and staphylococcal α-toxin [341]. These proteins have in common a high affinity fo ...
Flyer: Cell Therapy Systems
Flyer: Cell Therapy Systems

... expansion of in vitro cultured human T cells when supplemented to a basal cell culture medium such as Gibco CTS OpTimizer T Cell Expansion SFM or Gibco CTS AIM V Medium. CTS Immune Cell SR is a defined xeno-free formulation and does not contain bovine or other nonhuman, animal-derived components. Th ...
a mathematical simulation of the inflammatory response to anthrax
a mathematical simulation of the inflammatory response to anthrax

... TNF and in large doses causes lysis of macrophages (25). In the process of macrophage death, it has been hypothesized that there is an apparent rapid and overwhelming release of proinflammatory cytokines, which is thought to result in the ‘‘sudden death’’ seen in inhalational anthrax. Thus, lethal t ...
Programmed cell death, autophagy, autohagic cell death
Programmed cell death, autophagy, autohagic cell death

... 27. System level analysis of the cell death network by single and double RNAimediated perturbations (Zalckvar E) Interaction of apoptosis and autophagy pathways 28. role of autophagy in caspase-independent cell death (Lenardo MJ) 29. System level analysis of programmed cell death: switching between ...
personal use only - Mass General Hospital
personal use only - Mass General Hospital

Melanoma stem cells: not rare, but well done
Melanoma stem cells: not rare, but well done

Research Plan - Manitoba HIV Research Group Home Page
Research Plan - Manitoba HIV Research Group Home Page

... derive from the systemic compartment89, although this is controversial due to the lack of consistent cell-surface markers for mucosally targeted cells. An important study by Mazzoli et al44 reported a high frequency of HIV-1 specific IgA in a HEPS cohort in Italy. Prompted by these findings, we exam ...
Exosomes: A Common Pathway for a Specialized Function
Exosomes: A Common Pathway for a Specialized Function

Modulation of AAV vector dosing and avoidance of capsid immune
Modulation of AAV vector dosing and avoidance of capsid immune

... • Extensive safety and efficacy data in animal models and humans • Due to the non-integrative nature of AAV vectors, persistence of transgene expression in rapidly dividing tissues is limited (Bortolussi, HGT 2014; Ronzitti, MTM 2016) ...
Human ProBNP and proBNP-derived Peptides (BNP and NT
Human ProBNP and proBNP-derived Peptides (BNP and NT

< 1 ... 18 19 20 21 22 23 24 25 26 ... 514 >

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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