相关实验视频

Updated: Sep 10, 2025

Isolation of Mouse Respiratory Epithelial Cells and Exposure to Experimental Cigarette Smoke at Air Liquid Interface

Isolation of Mouse Respiratory Epithelial Cells and Exposure to Experimental Cigarette Smoke at Air Liquid Interface

Published on: February 21, 2011

低呼吸道微生物组不同吸烟状态的健康和肺癌特征

Vladimir G Druzhinin¹, Elizaveta D Baranova¹, Pavel S Demenkov²

¹Department of Genetics and Fundamental Medicine, Kemerovo State University, 650000 Kemerovo, Russia.

|August 28, 2025

概括

吸烟对健康个体的呼吸道微生物组有显著的改变, 但这种影响在肺癌患者中较少. 了解这些变化对于呼吸系统健康研究至关重要.

科学领域:

微生物学
肺部医学
癌症学

背景情况:

呼吸道是肺部健康和疾病关键的复杂微生物组.
吸烟,肺癌和呼吸道微生物组之间的关系尚未完全理解.
之前的研究没有在不同人群中广泛研究这些相互作用.

研究的目的:

描述俄罗斯一群人的下呼吸道微生物群.
研究吸烟状态 (目前,前任和非吸烟者) 对健康个体和肺癌患者的呼吸道微生物群的影响.
确定与吸烟和肺癌相关的不同微生物特征.

主要方法:

从297个人的唾液样本中分析16S rRNA基因序列.
在不同的吸烟状态和健康状况中比较微生物群的组成和多样性.
使用PERMANOVA (Adonis) 和线性差异分析的统计分析效果大小.

主要成果:

在健康个体中,吸烟改变了呼吸道微生物组合 (增加了链球菌,减少了尼塞利亚菌),但没有改变多样性.
前吸烟者的微生物群与非吸烟者相似;由于瘤相关因素,吸烟对肺癌患者的影响不那么明显.
肺癌患者表现出不同的微生物群 (富含的Flavobacteriia,Bacillales,Pasteurellales;耗尽的Alphaproteobacteria,Coriobacteriaceae,Microbacteriaceae) 无论吸烟情况如何.

结论:

吸烟会对健康的呼吸系统微生物产生严重影响,
吸烟状态是呼吸道微生物组研究中需要考虑的关键因素.
这些发现增强了对呼吸系统健康和疾病动态的理解.

关键词:

16S rRNA 的使用没有NGS 细菌微生物组健康的个体肺癌肺癌微生物组的特征的情况分类学组成烟草吸烟

更多相关视频

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Published on: October 22, 2020

Shotgun Lipidomics of Rodent Tissues

Shotgun Lipidomics of Rodent Tissues

Published on: November 18, 2022

相关概念视频

Physical Assessment of the Respiratory Tract I: Health History

Physical Assessment of the Respiratory Tract I: Health History

Physical assessment of the respiratory tract is critical to patient care. It allows healthcare professionals to identify and manage various respiratory conditions. The process involves a combination of subjective and objective data collection.
Subjective Data
Subjective data provides vital information about the patient's health history and symptoms. This data is typically collected through interviews in which patients describe their experiences, symptoms, and concerns.
Health history and...

Statistical Methods for Analyzing Epidemiological Data

Statistical Methods for Analyzing Epidemiological Data

Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:

COPD: Pathogenesis and Clinical Features

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...