Why Do Some People Get More Colds Than Others? – News

by Dr Natalie Singh - Health Editor
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Okay, here’s a breakdown of the key data from the provided text, formatted for clarity:

1. Main Discovery:

* Nasal cells have a powerful,rapid antiviral defense system against rhinovirus,primarily coordinated by interferons. A swift interferon response can contain the infection early on.
* However, if viral replication increases, it triggers inflammation and mucus production, contributing to airway problems.
* The body’s response to the virus, not the virus itself, is key to determining disease severity.

2. Key Researchers & Institutions:

* Ellen Foxman (Lead Researcher) – yale School of Medicine
* Bao Wang (First Author) – Yale School of Medicine

3. Publication Details:

* Journal: Cell Press Blue

* Date: January 19, 2026

4. Methodology & Model:

* Researchers created a lab-grown model of human nasal tissue (an “organoid”) using nasal stem cells.
* This model accurately mimics the structure and cell types (including mucus-producing cells and ciliated cells) of the human nasal passages and airways.
* This model is valuable as rhinovirus only infects humans, making it tough to study in animal models.
* They monitored thousands of cells together to understand the response to infection and the effect of blocking viral sensors.

5. Key Findings – Details:

* Interferons: When nasal cells detect rhinovirus, they release interferons, activating antiviral defenses in both infected and nearby healthy cells.
* Blocked Interferons: Blocking interferon activity leads to rapid viral spread, more cell damage, and even organoid death.
* Inflammation: Increased viral replication activates a system that causes excessive mucus production and inflammatory signals,leading to airway inflammation.

6. Future Research Directions:

* The current model doesn’t include all the cell types (like immune cells) present in the human body.
* Future research will focus on how additional cells and environmental factors influence the body’s response to rhinovirus.
* Exploring ways to target these defense mechanisms for new therapies is a promising avenue.

Let me no if you’d like me to elaborate on any specific aspect of the study!

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