基于OMICS的CRC微生物诊断的现状
Jerome Prusa1,2, Mark G Gorelik1,2, Kevin S Blake1
1Department of Pathology and Immunology, Division of Laboratory and Genomic Medicine, Washington University School of Medicine, St. Louis, MO, USA.
Gut microbes
|July 2, 2025
概括
肠道细菌及其代谢物对早期结直肠癌 (CRC) 检测有前途. 对这些微生物生物标志物的进一步研究可能会导致改善CRC的诊断.
科学领域:
- 微生物组研究的研究.
- 癌症诊断 癌症诊断 癌症诊断
- 代谢学 代谢学 代谢学
背景情况:
- 结肠直肠癌 (CRC) 是一个重要的全球健康负担,通常在晚期诊断.
- 早期检测对于改善CRC患者的治疗结果和降低死亡率至关重要.
- 肠道微生物组组成在患有CRC的个体中发生变化,提供潜在的诊断途径.
研究的目的:
- 审查研究的细菌种群和代谢物作为CRC诊断的预测特征.
- 突出发现肠道微生物群为CRC的生物标志物的进展.
- 讨论阻碍CRC微生物诊断发展的挑战.
主要方法:
- 现有文献的叙述性审查.
- 对调查与CRC相关的细菌种群的研究进行分析.
- 检查肠道代谢物作为CRC生物标志物的研究.
主要成果:
- 在CRC患者中观察到肠道细菌种群的显著变化.
- 特定的微生物代谢物与CRC的存在有关.
- 测序和代谢学方面的进步有助于识别这些生物标志物.
结论:
- 肠道微生物组的改变为新型CRC诊断提供了一个有希望的途径.
- 需要进一步的研究来应对患者的生活方式和方法变化等挑战.
- 标准化研究设计和数据管理是开发可靠的CRC微生物诊断的关键.
相关概念视频
Modern Molecular Taxonomy
136
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
136
MALDI-TOF Mass Spectrometry
5.2K
Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.
Matrix-assisted laser desorption ionization (MALDI) is a commonly...
Matrix-assisted laser desorption ionization (MALDI) is a commonly...
5.2K
Serum Laboratory Studies, Stool Test, Breath Test
472
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
472


