Related Experiment Video
Updated: Jun 18, 2025
06:41
A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
Published on: March 9, 2015
8.9K
Explore the genetic exposure to alopecia areata
Shaoyi Peng1, Yang Yang2, Yilong Man3
1Department of Cardiology, Jiande First People's Hospital, Hangzhou, China.
Summary
This study found that lower copper levels are linked to an increased risk of alopecia areata (hair loss). Genetic analysis also revealed causal links between specific metabolites, inflammatory factors, and this autoimmune condition.
Area of Science:
- Genetics
- Immunology
- Metabolomics
Background:
- Alopecia areata is an autoimmune hair loss disorder with unknown causes.
- Trace elements, serum metabolites, and inflammatory factors are suspected contributors.
- Further research is needed to establish causal links.
Purpose of the Study:
- To investigate the causal relationships between trace elements, serum metabolites, inflammatory factors, and alopecia areata using genetic data.
- To identify potential biomarkers for alopecia areata risk and progression.
Main Methods:
- Mendelian randomization (MR) analysis utilizing genome-wide association study data.
- Examined 15 trace elements, 1400 serum metabolites, and 91 inflammatory factors.
- Employed inverse variance weighted (IVW) method and multiple sensitivity analyses for result validation.
Main Results:
- A negative correlation was observed between copper levels and alopecia areata risk (OR=0.86, p=0.041).
- Causal links were established between 15 serum metabolites and 6 inflammatory factors and alopecia areata risk (all p<0.05).
Conclusions:
- Provides genetic evidence supporting the association of trace elements, metabolites, and inflammatory factors with alopecia areata.
- Suggests potential for targeted therapeutic and preventive strategies.
- Highlights the need for research in diverse populations to explore biomarker roles.
Related Concept Videos
01:29Autoimmune Disorders
404
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...
404
02:59Cancer Prevention
6.1K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
6.1K
01:30Skin Cancer
4.0K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
4.0K
01:11Genetic Lingo
102.4K
Overview
102.4K
01:28Human Genetics
552
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...
552
02:27Background and Environment Affect Phenotype
6.5K
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
6.5K