>Ami-Mir-221-P1a_5p* CGCUCAGUAGUCAGUGUAGAUUC >Ami-Mir-221-P1a_3p AGCUACAUCUGGCUACUGGGUCUC >Ami-Mir-221-P1b_5p* UGCUCAGUAGUCGGUGUAGAAUC >Ami-Mir-221-P1b_3p AGCUACAUCUGAUUACUGGGUCAC