نتایج جستجو برای: human interleukin 2
تعداد نتایج: 3855028 فیلتر نتایج به سال:
The gene encoding the human interleukin-2 (IL-2) receptor consists of 8 exons spanning more than 25 kilobases on chromosome 10. Exons 2 and 4 were derived from a gene duplication event and unexpectedly also are homologous to the recognition domain of human complement factor B. Alternative messenger RNA (mRNA) splicing may delete exon 4 sequences, resulting in a mRNA that does not encode a funct...
The proliferative responses of purified leukemic human B cells from nine B cell chronic lymphocytic leukemias to recombinant interleukin 2 (IL-2), spontaneously, and after preactivation by Staphylococcus aureus Cowan I (SAC) or anti-mu antibodies were studied. Three patterns of response were observed: (a) no response (three cases); (b) a moderate spontaneous response enhanced by anti-mu (one ca...
Using anti-Tac, a monoclonal anti-interleukin 2 (IL-2) receptor antibody, we have explored the possibility that certain activated B cells display receptors for IL-2. Resting normal B cells and unselected B cell lines established from normal individuals were Tac antigen negative. In contrast, the cell surface Tac antigen expression was demonstrable on 6 of 10 B cell lines from patients with Burk...
Human interleukin-2 (IL-2) has 3 cysteine residues; cysteines 58 and 105 form an intramolecular disulfide bridge, whereas cysteine 125 has a free sulfhydryl group. In this study, site-specific mutagenesis has been used to modify the cysteine residues of recombinant Escherichia coli-derived IL-2 (rIL-2) to evaluate the functional structure of IL-2. Substitution or deletion of cysteine 105 disrup...
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