Background Variation in the ABCA4 gene is causal for, or associated with, a wide range of phenotypes from early onset Mendelian retinal dystrophies to late-onset complex disorders such as age-related ...

Background The strength of evidence supporting the validity of gene-disease relationships is variable. Hereditary cancer has the additional complexity of low or moderate penetrance for some confirmed ...

Morison LD, Kennis MG, Rots D, et al. Expanding the phenotype of Kleefstra syndrome: speech, language and cognition in … ...

Much work has been done to identify susceptibility genes in schizophrenia and bipolar disorder. Several well established linkages have emerged in schizophrenia. Strongly supported regions are 6p24–22, ...

Parental ages and birth order were analysed in 16 sporadic cases of inv dup (15) using the method of Smith. A significant maternal age effect was apparent (dm = 5.989, SE 1.86; df = 2.02, SE 2.496; db ...

Background SLC29A3-related syndromes (SLC29A3-RS) are characterised by severe and multiorgan involvement that has a severe impact on the quality of life of the affected persons and therefore merit ...

Cleidocranial dysplasia (CCD) (MIM 119600) is an autosomal dominant skeletal dysplasia characterised by abnormal clavicles, patent sutures and fontanelles, supernumerary teeth, short stature, and a ...