Williams-Beuren syndrome （WBS） is a hereditary disease involving multiple systems due to microdeletion of chromosome 7q11.23. The deleted region in most patients is approximately 1.55 Mb, including 26-28 genes. The ...Williams-Beuren syndrome （WBS） is a hereditary disease involving multiple systems due to microdeletion of chromosome 7q11.23. The deleted region in most patients is approximately 1.55 Mb, including 26-28 genes. The incidence of WBS in liveborn children is roughly 1/7 500-1/25 000.1展开更多
文摘Williams-Beuren syndrome （WBS） is a hereditary disease involving multiple systems due to microdeletion of chromosome 7q11.23. The deleted region in most patients is approximately 1.55 Mb, including 26-28 genes. The incidence of WBS in liveborn children is roughly 1/7 500-1/25 000.1
