نتایج جستجو برای: cutaneous basophil hypersensitivity
تعداد نتایج: 91842 فیلتر نتایج به سال:
Type 2 inflammation underlies allergic diseases such as atopic dermatitis, which is characterized by the accumulation of basophils and group 2 innate lymphoid cells (ILC2s) in inflamed skin lesions. Although murine studies have demonstrated that cutaneous basophil and ILC2 responses are dependent on thymic stromal lymphopoietin, whether these cell populations interact to regulate the developmen...
An in vitro histamine release assay was used to test the hypothesis that passive sensitization of circulating basophils is associated with the activity of immune serum that transfer the ability to elicit cutaneous basophil hypersensitivity (CBH) reactions. Systemic i.v. transfer of several types of immune sera that mediate CBH also led to passive sensitization of circulating basophils for antig...
Recently, pathogenesis studies, using genetically distinct turkey-origin reoviruses (TRVs), revealed that poults infected with certain TRV isolates had moderate to severe bursal atrophy, suggesting virus-induced immune dysfunction. In order to characterize the effect of TRV infection on the turkey immune system, classical assays were undertaken to quantify the humoral and cell-mediated immune r...
An association has been established between cell-mediated hypersensitivity and specific resistance to tumors in many species including man (1-10). Humoral immunity is apparently less important in the rejection of solid neoplasms and may actually enhance tumor growth (3, 8, 9). Tumor resistance requires lymphocytes sensitized against tumor-specific transplantation antigens, but the means by whic...
زمینه مطالعه: تعیین نیاز انرژی مرغان بومی کشور و بخصوص تاثیر آن برسیستم ایمنی از اولویت‌های پژوهشی در جهت استفاده بهینه محسوب می‌شود. هدف: هدف از این مطالعه تعیین اثر سطوح مختلف انرژی متابولیسمی جیره بر توانایی تولید و ایمنی مرغان بومی بوده است. روش‌کار: از طــرحــی کــامـلاً تـصــادفــی بــا 6 تـیـمــار، 5 تـکــرار و 10 مـشــاهــده در هــر واحــد آزمــایشـی استفـاده شـد. تیمـارهـا جیـره‌هـای...
We investigated the general immune reactivity, as estimated by the zutaneous basophile hypersensitivity reaction (CBHR) to phytohemagglutinin HA) in cows with different reproductive results. The hypersensitivity test was rerformed on the day of artificial insemination and animals were divided into :oups according to the total number of inseminations, number of inseminations :er calving, number ...
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