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:  This model of acute monarticular arthritis is particularly suitable for further investigations into cell - mediated immunity in arthritis and the role of IL - 1 .
Example Output: IL - 1

Example Input:  The generation of genomic diversity during the course of infection has the potential to affect all aspects of HIV - 1 replication , including expression of the proviral genome .
Example Output: HIV - 1

Example Input:  Fatty acids are ligands for peroxisome proliferator - activated receptor - gamma ( PPARgamma ) , and the upregulation of adipophilin mRNA by PPARgamma agonists like 15d - PGJ ( 2 ) and ciglitazone indicates that PPARgamma may mediate the induction of adipophilin expression in human blood monocytes .
Example Output:
adipophilin mRNA