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16p11.2 Microduplication and associated symptoms: A case study
Martin Knoll1, Kirsten Arnett1, Jeremy Hertza2
1a Department of Clinical Psychology , University of South Carolina , Aiken , South Carolina.
Abstract:
The minimal amount known regarding chromosomal microduplications and microdeletions presents a fascinating new direction of research into better understanding misunderstood symptoms and overall genomic influence. Specifically, the 16p11.2 microduplication has been associated with a myriad of possible cognitive, physical, and emotional symptoms. The purpose of this study is to inform the reader of the biological basis of the 16p11.2 microduplication, review sources that suggest a link between the microduplication and clinically relevant diagnoses/sources of impairment, and to better understand the implications and development of symptoms through the illustration of a case example. The case study involves an adolescent African-American female that possesses the 16p11.2 microduplication and focuses on the patient's intellectual and developmental delays, seen through self-report and analysis of her neurocognitive assessment results. Additionally, the patient's associated health complications, such as the development of seizures and a possibly compromised immune system, along with the development of anxiety and depression, are discussed. Implications toward the need for more robust protocol in testing and tracking the effects of this microduplication, such as implementing immunosorbent assay testing at the first sign of associated symptoms, are explored. Limitations are discussed.
Insights
The 16p11.2 microduplication can cause developmental delays and health issues like seizures. This study highlights the need for better testing and tracking of this genetic condition.
Area of Science:
- Genetics
- Neurodevelopmental Disorders
- Genomic Medicine
Background:
- Chromosomal microduplications and microdeletions are understudied areas of genomics.
- The 16p11.2 microduplication is linked to various cognitive, physical, and emotional symptoms.
- Understanding these variations is crucial for diagnosing and managing complex conditions.
Observation:
- This study details the biological basis of the 16p11.2 microduplication.
- It reviews existing literature connecting the microduplication to clinical diagnoses and impairments.
- A case study of an adolescent African-American female with the 16p11.2 microduplication is presented.
Findings:
- The case study highlights intellectual and developmental delays in the patient.
- Associated health complications included seizures, a potentially compromised immune system, anxiety, and depression.
- Neurocognitive assessment results corroborated the reported delays.
Implications:
- The findings underscore the need for improved protocols for testing and monitoring 16p11.2 microduplication effects.
- Early implementation of specific tests, like immunosorbent assays, is suggested for associated symptoms.
- Further research is required to fully understand the genomic influence and symptom development.
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