We report here the presence of very high serum levels of the soluble interleukin-2 receptor (sIL-2R) in patients with blood hypereosinophilia with or without detectable markers of malignancy or signs of visceral involvement. The highest sIL-2R levels were observed in 16 eosinophilic patients with T-cell lymphoma (3,440 to 79,500 U/mL). Elevated levels of sIL-2R were also present (1,330 to 22,50...

ramethylchroman-2-ylmethoxy)benzyl]-2,4-dioxothiazollidine, troglitazone, is a mixture of two racemic diasteromers, the (±)(2R*,5S*) and (±)-(2R*,5R*) diastereomers. The molecular and crystal structures of both diastereomers have been reported.1,2 Slow crystallization of troglitazone with an aqueous acetone solution gave dihydrated single crystals that were different from the reported diastereo...

A (2R,4S)-trans-disubstituted pyrrolidine ring system was constructed by employing iodine-mediated oxidative cyclization of (1R)-N-[1-(4-bromophenyl)-3-butenyl]acetamide 3 as a key step. The resulting diastereomeric mixture of (2R)-2-aryl-4-acetoxypyrrolidine 4 was stereoselectively converted to the side-chain of a novel ultrabroad-spectrum carbapenem 1, via (2R,4R)-2-aryl-4-hydroxypyrrolidine 7.

To clarify the role of serum soluble T cell regulatory molecules in clear cell renal cell carcinoma (CCRCC), we measured the serum levels of soluble interleukin-2 receptor (sIL-2R), soluble B7-H3 (sB7-H3), and soluble cytotoxic T lymphocyte associated antigen-4 (sCTLA-4) in 70 CCRCC patients and 35 healthy controls. We investigated correlations between the serum levels of these soluble T cell r...

The intestinotrophic and cytoprotective actions of glucagon-like peptide-2 (GLP-2) are mediated by the GLP-2 receptor (GLP-2R), a member of the class II glucagon-secretin G protein-coupled receptor superfamily. Although native GLP-2 exhibits a short circulating half-life, long-acting degradation-resistant GLP-2 analogues are being evaluated for therapeutic use in human subjects. Accordingly, we...

Interkeukin-2 receptor (IL-2R) is comprised of three different subunits (α, β, and γ chain) and is expressed on B cells and NK cells besides T cells. CD25 is also known as the IL-2Rα chain on cell membranes, while soluble IL-2R (sIL-2R) is generated by the proteolytic cleavage of the IL-2Rα chain. Levels of sIL-2R in sera are monitored as a marker of disease activity in patients with lymphoma. ...

Acute lymphoblastic leukaemia/lymphoma (ALL/LBL) is an aggressive form of non-Hodgkin's lymphoma (NHL) affecting B-cells or T-cells, respectively. The serum level of soluble interleukin-2 receptor (sIL-2R) is known to reflect the immune activity and tumour volume in aggressive NHL; however, the release of sIL-2R in LBL has not been extensively studied. Further, the relationship between sIL-2R r...

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Background: This study aimed to assess the potential clinical utility of serum level of serum soluble interleukin-2 receptor (sIL-2R) as a diagnostic tool in rheumatoid arthritis disease (RA). This study investigate the association between serum sIL-2R levels with other parameters used for estimation of RA such as rheumatoid factor (RF), erythrocytes sedimentation rate (ESR), Creactive protein ...

Glucocorticosteroids have an inhibitory effect on the expression of interleukin 2 (IL-2) and interleukin 2 receptor (IL-2R) genes. To determine the mechanisms of this inhibition, human T lymphocytes were stimulated with mitogens in the presence of dexamethasone. Nuclear transcription run-off assays showed that high doses of dexamethasone inhibited the transcription of the IL-2 gene but not that...