Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P14784 (IL-2 receptor)
 3,849 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Bovine kappa-caseinoglycopeptide (residues 106-169, CGP) completely inhibited the PHA-induced proliferation of mouse splenocytes when CGP was added simultaneously with PHA. The inhibitory effect, however, was reduced to about one-half when CGP was added after 24 h of cultivating the splenocytes with PHA or when anti-IL-1ra antibody was added simultaneously with PHA and CGP. On the other hand, CGP bound to mouse CD4+ T cells but not to CD8+ T cells. CGP suppressed IL-2 receptor expression of the PHA-stimulated mouse CD4+ T cells.
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PMID:Suppression of interleukin-2 receptor expression on mouse CD4+ T cells by bovine kappa-caseinoglycopeptide. 869 1

Plasma levels of antiinflammatory compounds (which counteract inflammation, cortisol, IL-1 receptor antagonist, IL-1ra; soluble IL-2 receptor, sIL-2r, soluble intercellular adhesion molecule-1, sICAM-1; interleukin-10, IL-10) were synchronously determined in a consecutive series of 25 patients with severe bacterial infections. Serum levels of cortisol, IL-1ra, sIL-2r, sICAM-1 and IL-10 were significantly higher in patients with infection compared with healthy volunteers. Bacterial infection results in the production of inflammatory and proinflammatory cytokines from macrophage/monocyte, which are thought to be involved in the pathogenesis of systemic inflammatory response syndrome (SIRS). We found that counter-inflammatory compounds can also be released during infectious insults. These results suggested that the biological activity of inflammatory mediators is inhibited by natural antiinflammatory compounds, and the body itself might down-regulate excessive inflammatory cascades through counteracting the inflammatory responses and restore homeostasis.
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PMID:Clinical value of cytokine antagonists in infectious complications. 917 65

The pituitary gland expresses cytokines and their receptors. IL-2 receptor transcripts and protein products are co-localized in ACTH-, PRL-, and GH-producing cells (double immunofluorescence). IL-2 and IL-6 (1-1000 IU/ml) are involved in the autocrine/paracrine regulation of normal and tumor (GH3 mammosomatotroph cell line and adenoma cell cultures) anterior pituitary hormone-producing cell growth (cell number, DNA synthesis, c-fos mRNA expression and autoradiography combined with hormone staining). IL-1 regulates the growth of normal pituitary cells but does not act on GH3 cells. IL-1ra, which blocks this action, is expressed in tumoral pituitary (mainly GH- and ACTH-) cells. In ACTH- cells, IL-1 enhances glucocorticoid feedback, stimulating glucocorticoid response element transcriptional activity. Cytokines, through specific functional receptors, act as inter/auto-cellular factors that regulate not only the function but also the growth of anterior pituitary cells.
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PMID:Cytokine expression and molecular mechanisms of their auto/paracrine regulation of anterior pituitary function and growth. 962 79

Abstract: Bovine colostrum contains high concentrations of cytokines, and colostral cytokines are considered to be an important factor in stimulation of maturation of the immune system in newborns. In this study, 5 proinflammatory cytokines (IL-1beta, IL-6, TNF-alpha, IFN-gamma and IL-1 receptor antagonist, IL-1ra) present in colostrum were tested for their potential to enhance mitogenic response and to elicit expression of IL-2 mRNA and CD25 in peripheral blood mononuclear cells (PBMC) from newborn calves before being fed colostrum. PBMC were pretreated with each recombinant bovine cytokine for 2 hr before stimulation with concanavalin A (ConA). Pretreatment of PBMC from newborn calves with IL-1beta, TNF-alpha or IFN-gamma significantly enhanced the ConA response, whereas IL-1ra inhibited the response. The degree of enhancement or inhibition of mitogenic response by these cytokines was more pronounced in PBMC from newborn calves than in those from adult cows. Although IL-2 mRNA expression in ConA-stimulated PBMC from newborn calves was weaker than that in those from adult cows of ConA-stimulated controls, the expression levels became comparable after pretreatment with IL-1beta, TNF-alpha or IFN-gamma. The CD25 expression in PBMC from newborn calves was also enhanced by pretreatment with IL-1beta, TNF-beta and IFN-gamma. These results suggest that pretreatment of neonatal PBMC with IL-1beta, TNF-alpha or IFN-gamma promotes mitogenic response to ConA through up-regulating the production of IL-2 and the expression of the mature IL-2 receptor.
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PMID:Proinflammatory cytokines in bovine colostrum potentiate the mitogenic response of peripheral blood mononuclear cells from newborn calves through IL-2 and CD25 expression. 1290 7