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:
 Ultrastructural studies demonstrated sequential changes in the cytoplasm , including swelling of mitochondria and cytoplasmic decompartmentalizati , followed by loss of surface microvilli with the appearance of ` ` holes ' ' in the cell membrane , and subsequent condensation of nuclear chromatin .

Ex Output:
nuclear chromatin


Ex Input:
 These cells were examined for ER mRNA by reverse transcription nested polymerase chain reaction .

Ex Output:
ER mRNA


Ex Input:
 These data demonstrate that Gadd45gamma is not essential for normal mouse development and hematopoiesis , possibly due to functional redundancy among the Gadd45 family members .

Ex Output:

Gadd45 family members


