相关实验视频
Updated: Jun 9, 2025

09:09
A Method for Targeted 16S Sequencing of Human Milk Samples
Published on: March 23, 2018
9.8K
农场暴露与人类母乳免疫特征和微生物群有关
Mary Hannah Swaney1,2, Olivia Rae Steidl3, Anastasia Tackett4
1Department of Medical Microbiology and Immunology, School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA.
bioRxiv : the preprint server for biology
|October 28, 2024
概括
早期生活中的农场暴露和母乳养可以预防过敏. 农场环境可以增强人类母乳的奶量.
科学领域:
- 人类免疫学和微生物学
- 环境对婴儿健康的影响
- 预防过敏性疾病 预防过敏性疾病
背景情况:
- 产前和生命早期的农场暴露,以及母乳养,与降低过敏疾病风险有关.
- 农场环境对人类母乳成分的影响,特别是其微生物群和免疫蛋白,仍然未被充分探索.
- 了解这些影响可以揭示预防过敏的机制.
研究的目的:
- 调查农场暴露是否会改变人类母乳微生物组和免疫蛋白质概况.
- 为了确定与母乳农场状态和亚托皮性疾病相关的母乳中的特定特征.
- 探索母乳微生物群落与免疫信号之间的关系.
主要方法:
- 在152个人类母乳样本中分析免疫蛋白质概况和微生物群落.
- 来自三个不同的农场暴露组的母亲样本的比较:传统的农业,农场和非农场.
- 统计分析以确定免疫蛋白,微生物群多样性和群体间丰富性的差异.
主要成果:
- 在农场暴露组之间观察到23种免疫蛋白,微生物群多样性和丰富性的显著差异.
- 传统的农业母乳表现出最高水平的免疫蛋白质,微生物群的多样性和丰富性,其次是农场和非农场的牛奶.
- 母乳中的格拉姆阳性细菌与因特鲁金-23 (IL-23) 介导的信号通路相关.
结论:
- 增加农场暴露与更多样化,更富有免疫力的人类母乳有关.
- 这些发现表明,农场环境对母乳成分有积极的影响,可能会影响婴儿的免疫发育.
- 这项研究强调了农场环境,母乳免疫力和微生物生态之间的新联系.
更多相关视频
相关概念视频
Anatomy of the Intestines
71.4K
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
71.4K
Microorganisms in Medicine and Therapeutics
1
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
1
Surface Membrane Barriers
1.1K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
1.1K
Defense Mechanism Against Infection
6.5K
Natural flora, body system defenses, and inflammation are natural barriers of the body against infectious agents regardless of previous exposure. Normal floras of the human body refer to the microbial population that colonizes the skin and mucous membranes.
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
6.5K
Factors Affecting the Risk of Infection
11.5K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
11.5K

