نتایج جستجو برای: human interleukin 2
تعداد نتایج: 3855028 فیلتر نتایج به سال:
Although originally described as a potent T cell growth factor in vitro, the main non redundant role of interleukin-2 (IL-2) in vivo is now known to be the maintenance of peripheral T cell tolerance. As well as promoting the proliferation and survival of recently activated effector T cells, IL-2 also plays a critical role in regulatory T cell (Treg) homeostasis and has been variously described ...
The interleukin-2 receptor alpha chain (IL-2Ra, CD25) plays a major part in shaping the dynamics of T cell populations following immune activation, due to its role in T cell proliferation and survival. Strategies to blunt the effector responses in transplantation have been developed by devising pharmaceutical agents to block the IL-2 pathways. However, such strategies could adversely affect the...
Purpose: Low level laser therapy is suggested as a new therapeutic method in diabetic wound healing. This survey aimed to evaluate the effects of low level laser on human fibroblasts cultured in high glucose cultures. Materials and Methods: The human skin fibroblasts were cultured under standard condition. The cells were cultured in high glucose culture medium (15mM/L) for a week and two weeks ...
Interleukin-2 (IL-2 or T cell growth factor) is a 14,500 daltons glycoprotein critically involved in the development of a normal human immune response [1, 2J. Recently, cDNA for this lymphokine has been isolated and expressed in both prokaryotic and eukaryotic cells [3-5J. Further, the human IL-2 gene has been cloned, sequenced [6], and localized to chromosome 4. As with other polypeptide hormo...
The production of IL-1 and IL-6 by pituitary cells has recently been demonstrated. In this study we investigated the expression of IL-2 and its receptor (IL-2R) by pituitary cells of different species. In Northern blots, a single hybridizing band of 1 kb, identical to that in normal stimulated lymphocytes, was obtained with specific IL-2 probes. In the mouse AT-20 pituitary tumor cell line, IL-...
Limited proteolysis of a recombinant, soluble form of the Tac protein, a human interleukin-2 receptor (rIL-2R), was performed using trypsin, Staphylococcus aureus V8 protease and proteinase K to study the structural requirements of interleukin-2 receptor (IL-2R) for interleukin-2 (IL-2) binding. Sensitive proteolytic sites were found to be clustered in the regions of the polypeptide encoded by ...
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