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Related Experiment Videos

De novo (11;13) translocation.

C Fonatsch, S D Flatz

    Humangenetik
    |June 19, 1975
    PubMed
    Summary

    This study details a male infant with unique facial features, clubfeet, and hydrocephalus internus. Cytogenetic analysis revealed a rare tandem translocation between chromosomes 11 and 13, impacting development.

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    Area of Science:

    • Genetics
    • Pediatrics
    • Human Cytogenetics

    Background:

    • Congenital anomalies present unique diagnostic challenges.
    • Chromosomal abnormalities are a significant cause of birth defects.
    • Rare chromosomal translocations require detailed investigation.

    Purpose of the Study:

    • To report a case of a male infant with unusual physical findings.
    • To characterize a novel chromosomal abnormality using cytogenetic studies.
    • To correlate the identified karyotype with the infant's phenotype.

    Main Methods:

    • Clinical examination of the infant, noting facial appearance, clubfeet, and hydrocephalus.
    • Cytogenetic analysis to determine the karyotype.
    • Detailed analysis of the translocation involving chromosomes 11 and 13.

    Main Results:

    • The infant presented with dysmorphic facial features, bilateral clubfeet, and moderate hydrocephalus internus.
    • Karyotype revealed 45,XY,--C,--D,+t(C;D), indicating a complex chromosomal rearrangement.
    • A tandem translocation between chromosome 11 and chromosome 13 was identified, with loss of genetic material.

    Conclusions:

    • The described karyotype, t(11;13)(q11;q13), represents a rare chromosomal abnormality.
    • The observed phenotype in the infant may be associated with this specific translocation and associated genetic material loss.
    • Further research is needed to understand the full spectrum of clinical manifestations associated with this translocation.

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