Nuclear Import

Nuclear import is a vital process in which proteins and nucleic acids are brought into the nucleus of a cell from the cytoplasm. This process is necessary for the survival of the cell, as proteins and nucleic acids often must be brought into the nucleus to be used in transcription, replication, and other essential processes. Nuclear import occurs through the use of transport proteins, which recognize and bind nuclear transport signals that are present on the nuclear-bound molecules. This then allows them to traverse the nuclear pores and enter the nucleus. Since deficiencies in nuclear import can lead to a variety of health problems, including cancer and genetic disorders, understanding the process of nuclear import is of tremendous importance to biomedical research.