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Cri du chat syndrome is a rare genetic disorder due to a partial chromosome deletion on chromosome 5. [1] Its name is a French term ("cat-cry" or " call of the cat ") referring to the characteristic cat-like cry of affected children. [ 2 ]
Jérôme Jean Louis Marie Lejeune (French pronunciation: [ʒeʁom ʒɑ̃ lwi maʁi ləʒœn]; 13 June 1926 – 3 April 1994) was a French pediatrician and geneticist, best known for his work on the link of diseases to chromosome abnormalities, most especially the link between Down Syndrome and trisomy-21 and cri du chat syndrome, amongst several others, and for his subsequent strong opposition ...
The chromosomal basis of Cri du chat syndrome consists of a deletion of the most terminal portion of the short arm of chromosome 5. 5p deletions, whether terminal or interstitial, occur at different breakpoints; the chromosomal basis generally consists of a deletion on the short arm of chromosome 5.
This is a different condition than Cri-du-chat which was mentioned above. Other changes in the number or structure of chromosome 5 can have a variety of effects, including delayed growth and development, distinctive facial features, birth defects, and other medical problems.
Cri du chat (cry of the cat), from a truncated short arm on chromosome 5. The name comes from the babies' distinctive cry, caused by abnormal formation of the larynx. 1p36 Deletion syndrome, from the loss of part of the short arm of chromosome 1.
Cri du chat syndrome; Crigler–Najjar syndrome; Crome syndrome; Cronkhite–Canada syndrome; Cross syndrome; Crouzon syndrome; Cryopyrin-associated periodic syndrome;
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However, in rare cases, it can have notable and serious effects on overall health, physical appearance, and other traits. Disorders that most commonly involve de novo mutations include cri-du-chat syndrome, 1p36 deletion syndrome, genetic cancer syndromes, and certain forms of autism, among others. [2]