Related Experiment Video
Updated: Jun 6, 2025
05:55
Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research
Published on: December 1, 2023
756
Human Papillomavirus Infection and Autoimmune Diseases: A Two-Sample Bidirectional Mendelian Randomization Study
Tian He1,2, Xi Fang1,2, Xiao Hu2,3
1Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.
International Journal of Rheumatic Diseases
|December 2, 2024
Summary
Human papillomavirus (HPV) infection shows a causal link to systemic lupus erythematosus (SLE). However, this study found no causal association between HPV and rheumatoid arthritis (RA) or inflammatory bowel disease (IBD).
Area of Science:
- Immunology
- Genetics
- Epidemiology
Background:
- Observational studies suggest a link between human papillomavirus (HPV) and autoimmune diseases like systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA).
- The precise causal mechanisms connecting HPV infection to these conditions remain unclear.
- Understanding this relationship is crucial for developing targeted prevention and treatment strategies.
Purpose of the Study:
- To investigate the potential causal relationship between human papillomavirus (HPV) infection and autoimmune diseases.
- To differentiate the effects of specific HPV types (HPV16 and HPV18) on SLE, RA, and IBD.
- To establish the directionality of the causal link using a bidirectional Mendelian randomization approach.
Main Methods:
- A two-sample bidirectional Mendelian randomization (MR) study utilizing genome-wide association study (GWAS) data.
- Inverse variance weighted (IVW) model as the primary analysis method, supplemented by three additional models.
- MR Steiger test for causal direction validation and MR-PRESSO and MR-Egger regression for sensitivity analyses to detect heterogeneity and pleiotropy.
Main Results:
- A positive causal association was found between HPV16 E7 protein and SLE (OR=1.075, FDR-p=0.04).
- A negative causal association was observed between HPV18 E7 protein and SLE (OR=0.884, FDR-p=0.02).
- No significant causal associations were detected between HPV16/18 E7 proteins and rheumatoid arthritis (RA), inflammatory bowel disease (IBD), ulcerative colitis (UC), or Crohn's disease (CD). Sensitivity analyses confirmed no significant heterogeneity or pleiotropy.
Conclusions:
- This Mendelian randomization study provides evidence for a causal link between HPV infection and SLE.
- The study did not find evidence of a causal association between HPV infection and RA or IBD.
- Findings highlight the complex interplay between viral infections and autoimmune disease development, specifically implicating HPV in SLE pathogenesis.
Related Concept Videos
01:29Autoimmune Disorders
386
Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
Concept and Mechanism of Autoimmune Diseases
The immune...
386
01:05Single Nucleotide Polymorphisms-SNPs
14.0K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
14.0K