Skip to main content
Journal of Medical Genetics logoLink to Journal of Medical Genetics
. 1987 Nov;24(11):706–709. doi: 10.1136/jmg.24.11.706

Partial deletion 21: case report with biochemical studies and review.

N J Carpenter 1, J S Mayes 1, B Say 1, D P Wilson 1
PMCID: PMC1050352  PMID: 3430548

Abstract

An unbalanced translocation of a portion of the long arm of chromosome 21 to the short arm of chromosome 4 resulted in a partial deletion of chromosome 21 (pter----q21.05) and in the loss of the telomere of 4p. The phenotype of the child included asymmetrical facies, microcephaly, short stature, hypotonia, and psychomotor retardation associated with frequent infections. Normal SOD-1 activity in red blood cells and fibroblasts and normal cystathionine beta synthase activity in fibroblasts suggest that these gene loci are distal to 21q21.05.

Full text

PDF
706

Images in this article

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Chadefaux B., Rethoré M. O., Raoul O., Ceballos I., Poissonnier M., Gilgenkranz S., Allard D. Cystathionine beta synthase: gene dosage effect in trisomy 21. Biochem Biophys Res Commun. 1985 Apr 16;128(1):40–44. doi: 10.1016/0006-291x(85)91641-9. [DOI] [PubMed] [Google Scholar]
  2. Kraus J. P., Williamson C. L., Firgaira F. A., Yang-Feng T. L., Münke M., Francke U., Rosenberg L. E. Cloning and screening with nanogram amounts of immunopurified mRNAs: cDNA cloning and chromosomal mapping of cystathionine beta-synthase and the beta subunit of propionyl-CoA carboxylase. Proc Natl Acad Sci U S A. 1986 Apr;83(7):2047–2051. doi: 10.1073/pnas.83.7.2047. [DOI] [PMC free article] [PubMed] [Google Scholar]
  3. Rethoré M. O., Dutrillaux B., Baheux G., Gerveaux J., Lejeune J. Monosomie pour les régions juxtacentroméruqyes d'un chromosome 21. Exp Cell Res. 1972 Feb;70(2):455–456. doi: 10.1016/0014-4827(72)90164-4. [DOI] [PubMed] [Google Scholar]
  4. Rethoré M. O., Dutrillaux B. Translocation 46,XX, t(15; 21) (q13; q22,1) chez la mère de deux enfants atteints de trisomie 15 et de monosomie 21 partielles. Ann Genet. 1973 Dec;16(4):271–275. [PubMed] [Google Scholar]
  5. Schmidt R., Mundel G., Rosenblatt M., Katznelson M. B. Apparent G-monosomy, G-deletion, and incomplete Down's syndrome in a single family. J Med Genet. 1972 Dec;9(4):457–461. doi: 10.1136/jmg.9.4.457. [DOI] [PMC free article] [PubMed] [Google Scholar]
  6. Sinet P. M., Allard D., Lejeune J., Jérôme H. Augmentation d'activité de la superoxyde dismutase érythrocytaire dans la trisomie pour le chromosome 21. C R Acad Sci Hebd Seances Acad Sci D. 1974 Jun 17;278(25):3267–3270. [PubMed] [Google Scholar]
  7. Sinet P. M., Couturier J., Dutrillaux B., Poissonnier M., Raoul O., Rethore M. O., Allard D., Lejeune J., Jerome H. Trisomie 21 et superoxyde dismutase-1 (IPO-A). Tentative de localisation sur la sous bande 21Q22.1. Exp Cell Res. 1976 Jan;97:47–55. doi: 10.1016/0014-4827(76)90653-4. [DOI] [PubMed] [Google Scholar]
  8. Skovby F., Krassikoff N., Francke U. Assignment of the gene for cystathionine beta-synthase to human chromosome 21 in somatic cell hybrids. Hum Genet. 1984;65(3):291–294. doi: 10.1007/BF00286520. [DOI] [PubMed] [Google Scholar]
  9. Tan Y. H., Tischfield J., Ruddle F. H. The linkage of genes for the human interferon-induced antiviral protein and indophenol oxidase-B traits to chromosome G-21. J Exp Med. 1973 Feb 1;137(2):317–330. doi: 10.1084/jem.137.2.317. [DOI] [PMC free article] [PubMed] [Google Scholar]
  10. Warren R. J., Rimoin D. L. The G deletion syndromes. J Pediatr. 1970 Oct;77(4):658–663. doi: 10.1016/s0022-3476(70)80209-8. [DOI] [PubMed] [Google Scholar]

Articles from Journal of Medical Genetics are provided here courtesy of BMJ Publishing Group

RESOURCES