在早产产生的病变发生过程中,存在母亲自身抗体的证据
medRxiv : the preprint server for health sciences
|January 22, 2026
概括
过早分娩并发症是导致儿童死亡的主要原因. 新的研究揭示了早产妊娠中自身抗体的增加,特别是针对IL1β炎症途径,表明诊断和治疗潜力.
科学领域:
- 生殖免疫学和母胎耐受性.
- 在怀孕结果中进行自身抗体分析和诊断.
- 在分娩时的炎症性细胞因子通路.
背景情况:
- 在全球范围内,早产并发症是五岁以下儿童死亡的主要原因.
- 自发的早产,与母胎耐受性下降有关,缺乏全面的自身抗体理解.
- 之前的研究在妊娠并发症中发现了有限的致病性自身抗体.
研究的目的:
- 使用全蛋白体自身抗体分析,识别与怀孕和分娩结果相关的自身反应性.
- 调查特定的自身抗体,特别是那些准IL1β通路的特殊抗体在早产中的作用.
- 探索已识别的自身抗体的诊断和干预潜力.
主要方法:
- 使用菌体显示免疫沉和测序 (PhIP-seq) 对来自8个队伍的2,194名参与者的母体血清进行全蛋白质组范围的自身抗体分析.
- 使用胎盘蛋白质组免疫沉的验证,然后进行质谱.
- 自身抗体活性的体外功能测定和抗IL1RA作用的体内小鼠模型.
主要成果:
- 与满期怀孕相比,早产妊娠显示出明显更大的全蛋白体自身反应活性.
- 在早产中,自动反应特征对包括血管发育,生殖激素和炎症在内的途径进行了丰富,特别是IL1β级联.
- 针对IL1受体对抗剂 (IL1RA) 的抗体在~7%的早产妊娠中被发现,功能性中和IL1RA,并诱导小鼠的不良妊娠结果.
结论:
- 增加的自身活性,特别是针对IL1β途径组件,如IL1RA,与自发早产有关.
- 抗IL1RA抗体可能通过破坏IL1β调节,在早产中发挥病原作用.
- 对自身抗体的血清诊断可以帮助分层早产风险,针对IL1β的干预策略可能提供治疗益处.
相关概念视频
The Evidence for Evolution
47.7K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
47.7K
Birth Control Methods
5.9K
Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...
5.9K
Asthma: Pathogenesis and Management
1.3K
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
1.3K
Cystic Fibrosis: Pathogenesis
740
Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
740
Pulmonary Hypertension: Classification and Pathogenesis
593
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
There are various classifications for PH, each relating to different underlying causes and also...
593
COPD: Pathogenesis and Clinical Features
1.8K
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...
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...
1.8K


