A Mendelian randomisation approach to explore genetic factors associated with erectile dysfunction based on pooled
Hai Mao1, Jianjun Li1, Feiqiang Ren2
1Department of Urology, Traditional Chinese Medicine Hospital of Fengjie Chongqing 404600, The People's Republic of China.
American Journal of Clinical and Experimental Urology
|November 25, 2024
Summary
Genetic research identified 110 genes linked to erectile dysfunction (ED). The MDM4 gene showed a significant association, suggesting its role in ED risk and potential for personalized treatments.
Area of Science:
- Genetics
- Urology
- Molecular Biology
Background:
- Genetic factors are implicated in erectile dysfunction (ED), but specific gene associations remain poorly understood.
- Previous research on ED-related genes has been limited and yielded inconclusive results.
Purpose of the Study:
- To identify specific genes associated with erectile dysfunction (ED) using large-scale genetic data.
- To investigate the role of candidate genes in ED pathogenesis and their potential as therapeutic targets.
Main Methods:
- Utilized whole blood expression quantitative trait loci (eQTLs) and genome-wide association study (GWAS) data from the Finnish Finngen database.
- Conducted Mendelian randomization (MR) analysis on a dataset of 1154 ED cases and 94024 controls.
- Performed pathway and single-cell expression analyses to identify pathogenic genes and their functions.
Main Results:
- Screened 110 ED-associated genes, with MDM4 exhibiting the strongest association (OR=1.845).
- MDM4 was located on chromosome 1 and identified as a risk factor for ED.
- Single-cell sequencing confirmed MDM4 gene expression in six cell types, reinforcing its role in ED.
Conclusions:
- MDM4 is significantly associated with an increased risk of erectile dysfunction (ED).
- These findings support the development of personalized treatment strategies for ED patients based on genetic profiles.
More Related Videos
Related Concept Videos
01:11Genome-wide Association Studies-GWAS
12.5K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
12.5K
01:28Human Genetics
535
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.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
535
02:45The Ratio of X Chromosome to Autosomes
8.4K
In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
8.4K
01:43Sex-linked Disorders
100.5K
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
100.5K
01:20Disorders of the Male Reproductive System
331
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
331
01:39Chromosomal Theory of Inheritance
54.2K
In 1866, Gregor Mendel published the results of his pea plant breeding experiments, providing evidence for predictable patterns in the inheritance of physical characteristics. The significance of his findings was not immediately recognized. In fact, the existence of genes was unknown at the time. Mendel referred to hereditary units as “factors.”
54.2K