Related Experiment Video
Updated: Jun 9, 2025

05:51
A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia
Published on: June 15, 2011
25.8K
Universal newborn screening using genome sequencing: early experience from the GUARDIAN study.
Alban Ziegler1, Wendy K Chung2,3
1Department of Genetics, University Hospital of Toulouse, Toulouse, France.
Pediatric Research
|October 25, 2024
Summary
Newborn screening is moving towards genome sequencing for broader genetic disorder detection. Early studies like GUARDIAN are addressing challenges to ensure universal and equitable genomic screening for all infants.
Area of Science:
- Genomics
- Medical Genetics
- Public Health
Background:
- For over two decades, the potential of genome sequencing for newborn screening has been discussed.
- Large-scale prospective studies are now emerging to evaluate this approach.
- Traditional newborn screening methods have limitations in scope and predictive value.
Purpose of the Study:
- To assess the feasibility and impact of genome sequencing in newborn screening programs.
- To address concerns regarding acceptability, equity, and scalability of genomic newborn screening.
- To inform the future implementation of universal and equitable newborn genomic screening.
Main Methods:
- Review of initial results from the GUARDIAN study.
- Comparison with findings from other pilot studies on large-scale newborn genomic screening.
- Analysis of lessons learned from these pioneering studies.
Main Results:
- Genome sequencing offers potential to expand screened conditions and improve accuracy.
- Key challenges including acceptability, equity, and scalability are being actively investigated.
- Pilot studies are generating crucial data to guide future implementation.
Conclusions:
- Lessons from studies like GUARDIAN are critical for developing universal and equitable newborn genomic screening.
- The transition to genome sequencing in newborn screening requires careful consideration of ethical and practical issues.
- Ongoing research is paving the way for a future of comprehensive newborn genomic health assessments.
Related Concept Videos
Next-generation Sequencing
87.7K
The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
87.7K
Genomics
36.1K
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
36.1K
Genome-wide Association Studies-GWAS
12.6K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
12.6K
Sanger Sequencing
753.1K
DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
753.1K
Evolutionary Relationships through Genome Comparisons
5.7K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
5.7K

