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.

Ex Input:
Clonogenic assays of the patient ' s marrow mononuclear cells incorporating either G - CSF or hydrocortisone produced little neutrophil growth .

Ex Output:
G - CSF

Ex Input:
These studies suggest that NO - related signaling pathways may mediate SDF1 alpha - induced chemotaxis , but not mitogen - activated protein kinase activation .

Ex Output:
SDF1 alpha

Ex Input:
We propose that alpha3beta1 and alpha6beta4 heterodimers are induced to cluster at the TEC surface recognizing yet unknown cellular ligands differentially expressed during T cell development .

Ex Output:
cellular ligands