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Minor spliceosome and disease

2017; Elsevier BV; Volume: 79; Linguagem: Inglês

10.1016/j.semcdb.2017.09.036

1096-3634

Bhupendra Verma, Maureen V. Akinyi, Antto J. Norppa, Mikko J. Frilander,

RNA Interference and Gene Delivery

The U12-dependent (minor) spliceosome excises a rare group of introns that are characterized by a highly conserved 5' splice site and branch point sequence. Several new congenital or somatic diseases have recently been associated with mutations in components of the minor spliceosome. A common theme in these diseases is the detection of elevated levels of transcripts containing U12-type introns, of which a subset is associated with other splicing defects. Here we review the present understanding of minor spliceosome diseases, particularly those associated with the specific components of the minor spliceosome. We also present a model for interpreting the molecular-level consequences of the different diseases.