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.

Example Input:  Western blot analysis revealed that B cells express a variant form of the Ku86 protein with an apparent molecular weight of 69 kDa , and not the 86 kDa - full - length protein .
Example Output: Ku86 protein

Example Input:  In a murine model of asthma associated with allergic pulmonary inflammation and hyperresponsiveness in ovalbumin ( OVA ) - sensitized mice , local intranasal administration of fluorescein isothiocyanate - labeled GATA - 3 antisense oligonucleotides led to DNA uptake in lung cells associated with a reduction of intracellular GATA - 3 expression .
Example Output: GATA - 3

Example Input:  Treatment of leukemic LGL with the JAK - selective tyrosine kinase inhibitor AG - 490 induced apoptosis with a corresponding decrease in STAT - DNA binding activity .
Example Output:
tyrosine kinase