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Related Concept Videos

Genomics02:02

Genomics

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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...
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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
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Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
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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.
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Pharmacogenetics and pharmacogenomics examine how genetic factors influence an individual's response to drugs. While pharmacogenetics focuses on the impact of specific genetic variants on drug effects, pharmacogenomics takes a broader approach, studying how genetic variation across populations contributes to differences in drug responses. These fields aim to explain why individuals may experience varying levels of efficacy or adverse reactions to the same medication.Variability in drug...
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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Updated: May 1, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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Seeking Genomic Knowledge: The Case for Clinical Restraint.

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Genomic sequencing offers efficient genetic testing but can yield uninterpretable data, increasing costs. A disciplined approach with research and guidelines is crucial for effective clinical use.

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Area of Science:

  • Genomics
  • Clinical Genetics
  • Bioinformatics

Background:

  • Whole genome sequencing (WGS) and whole exome sequencing (WES) offer comprehensive genetic information.
  • These advanced technologies increase the efficiency of genetic testing by analyzing multiple genes simultaneously.

Purpose of the Study:

  • To evaluate the clinical utility and cost-effectiveness of WGS and WES.
  • To propose a disciplined approach for integrating genomic sequencing into clinical practice.

Main Methods:

  • Review of current genomic sequencing technologies and their applications.
  • Analysis of the potential for large-scale genomic data to impact clinical decision-making and healthcare costs.

Main Results:

  • Genomic sequencing generates vast amounts of data, a significant portion of which may lack immediate clinical utility.
  • Uninterpreted or irrelevant genomic information can distract clinicians and patients, leading to increased healthcare expenditures.

Conclusions:

  • The clinical utility of genomic sequencing is highly context-dependent.
  • A structured approach involving research, evidence-based guidelines, and focused data generation is essential to maximize benefits and control costs.