Chromosome 18q deletion (18q del) syndrome is a rare genetic disorder, affecting approximately 1 in 40,000 to 55,000 individuals, caused by the deletion of genetic material on the long arm of ...

Large and rare duplications and deletions in a chromosome region known as 22q11.2 , which involves genes that regulate cardiac development, are linked to nonsyndromic bicuspid aortic valve disease.

Researchers have revealed a novel association between chromosome 18q deletion syndrome and late-onset combined immunodeficiency (LOCID). Their finding challenges the previously held notion that 18q ...