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.

Q:  Stem cell factor ( SCF ) and erythropoietin ( EPO ) work synergistically to support erythropoiesis , but the mechanism for this synergism is unknown .

A: Stem cell factor
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Q:  To gain further insight into the relationship of Runx2 to other lymphomagenic pathways , we tested the effect of combining the CD2 - Runx2 transgene either with a Pim1 transgene ( E ( mu ) - Pim1 ) or with the p53 null genotype , as each of these displays independent synergy with Myc .

A: Pim1 transgene
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Q:  LPS did not induce I kappa B expression in PBMCs from trauma patients , but strong induction was obtained with staphylococci , suggesting that this defect is not universal and depends on the nature of the activating signal .

A:
I kappa B
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