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.

 This study shows that the reduction in glucocorticoid receptor numbers which occurs during acute depressive illness does not persist on recovery and is , therefore , state - dependent .
glucocorticoid receptor

 BCL - 6 is essential for germinal center formation and thus for affinity maturation of immunoglobulin ( Ig ) genes by somatic mutations .
BCL - 6

 Catalytically active Syk promotes and stabilizes the formation of tightly capped BCR complexes at the plasma membrane .

BCR complexes