instruction:
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.
question:
 Transient transfection assays indicated that the ( - 4551 ) UCP1 - CAT construct , containing the 5 ' - regulatory region of the rat ucp - 1 gene , was activated by PPARalpha co - transfection in a dose - dependent manner and this activation was potentiated by Wy 14 , 643 and retinoid X receptor alpha .
answer:
retinoid X receptor


question:
 The structure of the murine Dtk gene has been determined .
answer:
murine Dtk gene


question:
 After 3 months of intervention , sustained physical training was associated with the decrease of FVII and PAI - 1 levels .
answer:

PAI - 1