Related Experiment Video For Androgenic alopecia
Updated: Jun 20, 2025

A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
Published on: March 9, 2015
Does androgenic alopecia aggravate the risk of prostate cancer? Evidence from Mendelian randomization
Xianghua Shi1, Yuan Pan2, Jianhua Liu1
1Department of Urology, The First People's Hospital of Foshan, Foshan, Guangdong, 528000, China.
Background:
Epidemiological reports indicate a potential association between androgenic alopecia (AGA) and increased prostate cancer (PC) prevalence, but conflicting reports also exist. This study aims to elucidate the causality of AGA on PC risk using Mendelian randomization (MR) analysis.
Materials And Methods:
Two-sample MR analyses utilized public genome-wide association studies summary data for single-nucleotide polymorphisms associated with AGA. Four statistical methods were used: inverse variance weighted (IVW), MR-Egger, weighted median, and weighted mode, with IVW as the preliminary estimation method. Additionally, sensitivity analyses were conducted to address pleiotropic bias.
Results:
Genetically proxied AGA did not demonstrate a causal effect on PC risk (IVW P > 0.05). Consistently, complementary methods yielded results aligned with IVW.
Conclusions:
Our MR analysis indicates no causal relationship between genetically predicted AGA and PC risk, suggesting that observed associations in epidemiological studies may not be causal.
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