منابع مشابه
Biological and Immunological Reactions in Parasitic Diseases
Processed antigen reacts selectively with lymphocytes bearing .appropriate surface immunoglobulin molecules resulting in the clonal proliferation of these cells, producing circulating immunoglobulin (humoral immunity) or non-circulating immunoglobulins (cellular immunity). High levels of circulating immunoglobulins (lgM & lgG) occur in protozoa and helminths infections. Reaginic antibodies a...
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Clinical neurology has been traditionally considered as an academic speciality in which the specialist regurgitates his/her knowledge of neurology without being able to do much for the patient. This attitude is no longer acceptable. Surge of information and discoveries in neurosciences within the last two decades translated into therapeutic interventions which is literally life saving in some o...
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Indoleamine 2,3-dioxygenase (IDO), an enzyme involved in the catabolism of tryptophan, is expressed by a variety of cells and tissues such as macrophages, dendritic cells, cells of the endocrine system and by the placenta. IFN- γ is the main inducer of this enzyme. IDO acts as an important defense mechanism of innate immunity against pathogens. It also has tumor suppressive activity and prolong...
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Pregnancy is a unique phenomenon for the human body’s immune system and makes a single natural model. The maternal immune system is active and functional during pregnancy. The immunological relationship between the mother and the fetus is a bi-directional communication determined on the one hand by fetal antigen presentation and on the other hand by recognition of and reaction to these antigens...
متن کاملThe Mechanism of the Creation of Immunological Diseases
J.t is well established thait both the an ti body deficiency and the reaction beru,een antigen and _ant.i hody cause many diseases Then there is antibody ·c1e,ficiency the resulting disease is called antibody deficiency disease; and when the contact of antigen vih antibody produces the disease or the complex of antigen with antibody precipitates and causes tissue damage the ,lesion is cal...
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ژورنال
عنوان ژورنال: BMJ
سال: 1966
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5503.1559