Question: How many people are affected by McKusick-Kaufman syndrome ?
Answer: This condition was first described in the Old Order Amish population, where it affects an estimated 1 in 10,000 people. The incidence of McKusick-Kaufman syndrome in non-Amish populations is unknown.
Source: GHR

Question: What are the genetic changes related to McKusick-Kaufman syndrome ?
Answer: Mutations in the MKKS gene cause McKusick-Kaufman syndrome. This gene provides instructions for making a protein that plays an important role in the formation of the limbs, heart, and reproductive system. The protein's structure suggests that it may act as a chaperonin, which is a type of protein that helps fold other proteins. Proteins must be folded into the correct 3-dimensional shape to perform their usual functions in the body. Although the structure of the MKKS protein is similar to that of a chaperonin, some recent studies have suggested that protein folding may not be this protein's primary function. Researchers speculate that the MKKS protein also may be involved in transporting other proteins within the cell. The mutations that underlie McKusick-Kaufman syndrome alter the structure of the MKKS protein. Although the altered protein disrupts the development of several parts of the body before birth, it is unclear how MKKS mutations lead to the specific features of this disorder.
Source: GHR

Question: What are the treatments for McKusick-Kaufman syndrome ?
Answer: These resources address the diagnosis or management of McKusick-Kaufman syndrome: - Gene Review: Gene Review: McKusick-Kaufman Syndrome - Genetic Testing Registry: McKusick Kaufman syndrome - MedlinePlus Encyclopedia: Polydactyly These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
Source: GHR