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Related Experiment Videos

Interstitial deletion 2q14q21.

M Frydman1, J Steinberger, F Shabtai

  • 1Department of Pediatrics, Hasharon Hospital, Golda Medical Center, Petah Tiqwa, Israel.

American Journal of Medical Genetics
|December 1, 1989
PubMed
Summary
This summary is machine-generated.

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Further Evidence of Contrasting Phenotypes Caused by Reciprocal Deletions and Duplications: Duplication of NSD1 Causes Growth Retardation and Microcephaly.

Molecular syndromology·2013

A rare interstitial deletion on chromosome 2q14-q21 was identified in a girl with multiple congenital anomalies and severe infections. This deletion is linked to distinct facial features and various developmental abnormalities, including eye conditions.

Area of Science:

  • Genetics
  • Developmental Biology
  • Clinical Medicine

Background:

  • Genetic deletions can lead to complex congenital anomalies.
  • Chromosome 2q deletions are associated with a spectrum of developmental disorders.

Observation:

  • A patient presented with multiple congenital anomalies and recurrent pyogenic infections.
  • An interstitial deletion of chromosome band 2q14-q21 was detected.
  • Distinct facial dysmorphia, including enophthalmos and micrognathia, was noted.

Findings:

  • Associated anomalies included agenesis of the corpus callosum, brain atrophy, and cardiac and renal defects.
  • Eye anomalies, such as unilateral corneal clouding and Peters-like anomaly, were present.
  • Deletions involving 2q21 and 2q31 may correlate with specific ocular abnormalities like microphthalmia and cataracts.

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Implications:

  • This case highlights the phenotypic variability associated with 2q deletions.
  • Further research is needed to understand the role of interleukin-1 (IL-1) in immune dysfunction related to these deletions.
  • Identifying specific deletion regions aids in understanding genotype-phenotype correlations for rare genetic disorders.