In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

 The quantitative analysis showed that erythroid precursor cells were newly produced from the immature myeloid cells by cultivation with IL - 3 .
IL - 3

 An assay for the quantitation of cytoplasmic and nuclear glucocorticoid receptors in lymphoid tissue has been developed using controlled pore glass ( CPG ) beads .
glucocorticoid receptors

 The relationship between human immunodeficiency virus type 1 ( HIV - 1 ) infection and the induction of NF - kappa B binding activity was examined in a myeloid cell model of HIV - 1 infection derived from the PLB - 985 cell line .

HIV - 1