Task: Named Entity Recognition
Input (English):  Cotransfection of pINV - 2473 , a construct containing 2473 base pairs of hINV upstream sequence linked to luciferase , with POU homeodomain transcription factors Oct1 , Oct2 , Brn4 , SCIP , Skn1a or Skn1i , results in a strong suppression of basal promoter activity .
Output (English): hINV upstream sequence