Related Experiment Video
Updated: Jun 5, 2026
08:57
Native Polyacrylamide Gel Electrophoresis Immunoblot Analysis of Endogenous IRF5 Dimerization
Published on: October 6, 2019
Long Noncoding RNA Associations Define an Interferon-Myeloid Immune Axis in Kawasaki Disease
Medrxiv : the Preprint Server for Health Sciences
|June 4, 2026
Summary
This study reveals long noncoding RNAs (lncRNAs) like CHROMR and MALAT1 are altered in Kawasaki disease (KD), impacting immune responses. These findings clarify the interferon-myeloid imbalance in KD vasculitis.
Area of Science:
- Immunology
- Transcriptomics
- Pediatric Vasculitis
Background:
- Kawasaki disease (KD) is an acute pediatric vasculitis with potential coronary artery complications.
- A known IFI27-MCEMP1 gene expression axis aids KD diagnosis, but the role of long noncoding RNAs (lncRNAs) in its associated immune imbalance is unclear.
Purpose of the Study:
- To investigate alterations in peripheral blood mononuclear cell (PBMC)-derived lncRNAs in children with KD.
- To determine the association of these lncRNAs with the interferon and myeloid components of the IFI27-MCEMP1 transcriptomic axis in KD.
Main Methods:
- Prospective enrollment of children with suspected KD and febrile controls.
- Measurement of IFI27, MCEMP1, CHROMR, MALAT1, and NEAT1 expression in PBMCs using reverse transcription quantitative PCR.
- Integrated analysis combining new and prior cohort data for robust statistical power.
Main Results:
- The IFI27-MCEMP1 axis effectively distinguished KD from febrile controls (Area Under Curve ~0.89).
- Lower relative expression of lncRNAs CHROMR and MALAT1 was observed in KD patients compared to controls.
- CHROMR strongly associated with the interferon-related IFI27, while MALAT1 showed associations with both IFI27 and MCEMP1.
Conclusions:
- A lncRNA-associated interferon-myeloid immune signature exists in KD, involving coordinated changes in IFI27, CHROMR, and MALAT1.
- This PBMC RNA pattern offers a framework for understanding KD immune dysregulation and suggests RNA-regulatory mechanisms in vasculitis.
Related Concept Videos
02:26NF-kB-dependent Signaling Pathway
The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...
02:26NF-κB-dependent Signaling Pathway
The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...
01:30Inhibitors of Viral Protein Synthesis
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
01:24T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
01:20The JAK-STAT Signaling Pathway
Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as SH2...
02:39lncRNA - Long Non-coding RNAs
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA (lncRNA)...