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Unraveling the Genetic Risk Factors of Benign Prostatic Hyperplasia



Benign prostatic hyperplasia (BPH) is a common condition that affects men as they age, characterized by an enlargement of the prostate gland. It can lead to urinary problems and other complications. While the exact causes of BPH are still unknown, there is growing evidence suggesting that genetics plays a significant role in the development of the condition. In this article, we will explore the genetic risk factors associated with BPH.


Understanding Benign Prostatic Hyperplasia

Before delving into genetic risk factors, it is important to understand the basics of BPH. The prostate gland is a small, walnut-shaped gland located below the bladder and in front of the rectum in men. It produces seminal fluid, which helps nourish and transport sperm. As men age, the prostate gland may grow larger and press against the urethra, causing urinary symptoms such as difficulty urinating, weak urine flow, and the need to urinate frequently.

BPH is a complex condition influenced by multiple factors, including hormonal changes, inflammation, and genetics. While BPH is not usually life-threatening, it can affect the quality of life and increase the risk of other complications, such as urinary tract infections and bladder stones.

Genetic Risk Factors for Benign Prostatic Hyperplasia

Several studies have shown that genetic factors play a significant role in the development of BPH. Genetic factors have been estimated to account for up to 78% of the variation in prostate size among men with BPH (1 Trusted Source
Cumulative association of five genetic variants with prostate cancer

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). Researchers have identified several genes that are associated with an increased risk of BPH, including:

Other genes that have been linked to BPH include AR, ESR1, VDR, and CYP17A1. While these genetic variations do not directly cause BPH, they may increase susceptibility to the condition by influencing hormonal pathways and other cellular processes involved in prostate growth.

References :

  1. Cumulative association of five genetic variants with prostate cancer – (https://pubmed.ncbi.nlm.nih.gov/18199855/)
  2. Association of mis-sense substitution in SRD5A2 gene with prostate cancer in African-American and Hispanic men in Los Angeles, USA – (https://pubmed.ncbi.nlm.nih.gov/7664265/)

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