نتایج جستجو برای: delayed hypersensitivity
تعداد نتایج: 134177 فیلتر نتایج به سال:
Although fever has long been recognized as a cardinal manifestation of hypersensitivity, surprisingly little is known about the mechanisms by which antigens bring about changes in body temperature in hosts with delayed hypersensitivity (1, 2). There is a growing body of evidence tha t in this immunologic state antigen reacts with specifically sensitized lymphocytes to produce soluble mediators,...
Background: Administration of phenytoin can been associated with severe adverse reactions such as hypersensitivity reactions. Lymphocyte transformation test (LTT) can be a useful method for determination of the drug, which has caused hypersensitivity reaction. This study was done to evaluate the results of lymphocyte transformation test in patients with delayed hypersensitivity reactions foll...
I T IS THE PURPOSE of this report to describe the occurrence of unusual cutaneous hyper-reactivity phenomena in certain patients having chronic lymphocytic leukemia. These reactions are consistent with an exaggerated delayed hypersensitivity type of response to insect bites, inoculated mosquito antigen and to certain other delayed hypersensitivity antigens. The mosquito is an example of certain...
Suppression of delayed hypersensitivity in vivo is correlated in vitro with the absence of macrophage migration inhibition in the presence of the antigen used to induce partial tolerance. The suppression of delayed hypersensitivity is antigen-specific in vivo as well as in vitro. The lymphocytes, and not the macrophages, are the cells involved in the induction of tolerance in terms of delayed h...
A study of the passive transfer of delayed hypersensitivity to DNP-poly-L-lysine and to DNP-GL was performed in Hartley guinea pigs. Delayed hypersensitivity to DNP-PLL and DNP-GL could be transferred successfully only by means of sensitized cells from genetic responder guinea pigs and in most cases, only into those guinea pigs genetically capable of responding to PLL. The inability to transfer...
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