関連する実験動画
Updated: Jan 29, 2026

11:54
Transcranial Direct Current Stimulation tDCS in Mice
Published on: September 23, 2018
15.2K
放射線膀胱炎の尿中バイオマーカー:現在の洞察と将来の展望
Rani Mahyoob1, Bernadette M M Zwaans1,2
1Department of Urology, Corewell Health William Beaumont University Hospital, Royal Oak, MI 48073, USA.
International journal of molecular sciences
|January 28, 2026
まとめ
本レビューは、骨盤放射線療法における困難な合併症である放射線膀胱炎(RC)の診断のための尿中バイオマーカーを探求する。これらの分子シグネチャを理解することは、早期発見と患者転帰の改善につながる可能性がある。
科学分野:
- 泌尿器科学
- 腫瘍学
- 生化学
背景:
- 放射線膀胱炎(RC)は、骨盤放射線療法による進行性の合併症である。
- 現在の診断は、非特異的な症状と検証された分子ツールの欠如により困難である。
- 尿はRCの病態を理解するための貴重な生体液である。
研究 の 目的:
- 急性期、潜伏期、慢性期のRCにおける尿中バイオマーカーをレビューする。
- RC発症病態と尿中分析物放出に関するメカニズム的洞察を統合する。
- RCにおける尿ベース診断の機会を強調する。
主な方法:
- RCにおける尿中バイオマーカーに関する現在の文献の包括的なレビュー。
- 分子経路と対応する尿中シグネチャの合成。
- DNA損傷、酸化ストレス、線維症を含むメカニズム的洞察の統合。
主要な成果:
- RCの各段階(サイトカイン、酸化ストレス産物、EV、miRNAなど)にわたる多様な尿中バイオマーカーを特定した。
- 分子メカニズム(ROS、低酸素症、TGF-β)と尿中分析物プロファイルを関連付けた。
- 早期発見、リスク層別化、モニタリングにおける尿ベース測定の可能性を強調した。
結論:
- 尿中バイオマーカーは、RCの早期かつ正確な診断のための有望な道を提供する。
- 分子メカニズムの理解は、効果的な尿ベース診断ツールの開発の鍵となる。
- 尿中プロファイルを用いた精密診断は、RC患者の長期転帰を改善することができる。
関連する概念動画
Biological Effects of Radiation
17.8K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
17.8K
Radiation: Applications
1.8K
The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
The average...
1.8K
Absorption of Radiation
1.3K
The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
1.3K
Introduction to Urinary System
8.9K
The urinary system consists of two kidneys, two ureters, the urinary bladder, and the urethra.
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
8.9K
Urinary Bladder
3.4K
The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
3.4K
Disorders of the Urinary System
1.2K
The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
1.2K

