Small Changes, Big Consequences

To understand the mechanisms behind severe COVID-19, researchers identified common COVID-19 genetic risk variants that affect immune cell function.

Written byNiki Spahich, PhD
| 3 min read
Small Changes, Big Consequences
Register for free to listen to this article
Listen with Speechify
0:00
3:00
Share

At the onset of the COVID-19 pandemic, Pandurangan Vijayanand was primed to tackle this new challenge. Trained as an immunologist with a specialization in genetics and genomics, he had already established a project called DICE, for database of immune cell gene expression, epigenomics, and expression quantitative trait loci (eQTLs), which helps elucidate the genetic basis of disease susceptibility. With DICE, scientists combine data from genome wide associate studies (GWAS) with additional supporting analyses to reveal how genetic variations affect the immune response. By querying a database of common circulating immune cell profiles, researchers gain insights into the molecular mechanisms responsible for cell type-specific immune responses observed in many different diseases.

Using DICE, Vijayanand and his team analyzed publicly-available data from GWAS for several COVID-19 phenotypes to find genetic variants with functional consequences. They assessed the effects of common COVID-19 variants and found a number that significantly affected gene expression in ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Niki Spahich headshot

    Niki Spahich earned her PhD in genetics and genomics from Duke University, where she studied Haemophilus influenzae membrane proteins that contribute to respiratory infections. She later explored Staphylococcus aureus metabolism during her postdoctoral fellowship in the Department of Microbiology and Immunology at the University of North Carolina at Chapel Hill. Prior to joining The Scientist, Niki taught biology, microbiology, and genetics at various academic institutions. She also developed a passion for science communication in written, visual, and spoken forms, which led her to start Science Riot, a nonprofit dedicated to teaching scientists how to communicate to the public through the lens of comedy. Niki is currently the manager of The Scientist's Creative Services Team.

    View Full Profile
Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026, Issue 1

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina
Exploring Cellular Organization with Spatial Proteomics

Exploring Cellular Organization with Spatial Proteomics

Abstract illustration of spheres with multiple layers, representing endoderm, ectoderm, and mesoderm derived organoids

Organoid Origins and How to Grow Them

Thermo Fisher Logo

Products

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

Biotium Logo

Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

Colorful abstract spiral dot pattern on a black background

Thermo Scientific X and S Series General Purpose Centrifuges

Thermo Fisher Logo
Abstract background with red and blue laser lights

VANTAstar Flexible microplate reader with simplified workflows

BMG LABTECH