Complex sentence: In the case of Tietz Syndrome, the MITF gene contains a mutation which inhibits its ability to successfully bind to the DNA strand and promote expression of the genes under its control, resulting in impaired development of melanocyte cells and restricted melanin production throughout the body.
Split into simpler sentences: In the case of Tietz Syndrome, the MITF gene contains a mutation which inhibits its ability to successfully bind to the DNA strand and promote expression of the genes under its control. This results in impaired development of melanocyte cells and restricted melanin production throughout the body.