TECTA and Jacobsen syndrome: Defects in TECTA are cause of both dominant (DFNA8/12, OMIM 601543) and recessive (DFNB21, OMIM 603629) forms of deafness, and absence of TECTA gene is responsible for Jacobsen syndrome (OMIM 147791), a contiguous gene deletion syndrome involving terminal chromosome 11q [7],[8],[9],[10].