TASK DEFINITION: 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.
PROBLEM:  Paradoxically there is a decrease in the level of soluble A beta secreted from the cells .

SOLUTION: soluble A beta

PROBLEM:  These results induce that the putative TATA box and initiator are not involved in the promoter activity , and that the vitronectin promoter lacks the TATA box , initiator and GC box .

SOLUTION: vitronectin promoter

PROBLEM:  Electrophoretic mobility - shift assays with nuclear extracts from COS - 1 cells transfected with expression vectors for SMADs 1 - 5 indicate that SMAD3 forms a complex with a migration similar to that of the endogenous TGF - beta - specific complex observed in fibroblast extracts .

SOLUTION:
TGF - beta