在 Ascaris suum 的幼虫发育阶段,表征分泌-分泌产品蛋白质
bioRxiv : the preprint server for biology
|July 15, 2024
概括
这项研究特征了Ascaris suum幼虫阶段的分泌-分泌 (ES) 蛋白质组,揭示了对理解寄生虫发育至关重要的独特蛋白质配置,并为ascariasis的新疗法提供了信息.
科学领域:
- 寄生虫学的寄生虫学
- 蛋白质组学是指蛋白质组学.
- 分子生物学分子生物学
背景情况:
- 由阿斯卡里斯 (Ascaris lumbricoides) 和阿斯卡里斯 (Ascaris suum) 引起的虫病对人类和猪的健康有重大影响.
- 了解阿斯卡里斯幼虫的发育是开发对抗阿斯卡里斯病的有效干预措施的关键.
研究的目的:
- 描述不同Askaris suum幼虫阶段 (L3-卵,L3-肺,L3-气管) 的分泌-分泌 (ES) 蛋白质组.
- 确定新型治疗干预措施对抗阿斯卡里斯诱导的发病率的潜在目标.
主要方法:
- 隔离和体外培养特定阶段的Ascaris suum幼虫 (L3卵,L3肺,L3气管).
- 使用LC-MS/MS收集和蛋白质组分析分泌-分泌 (ES) 产品.
- 生物信息分析包括的识别,量化和差异丰度的确定.
主要成果:
- 在Ascaris suum ES产品中识别了58种独特的蛋白质,其中14种在所有阶段都很常见.
- 通过主要成分分析揭示了不同阶段特定的蛋白质概况.
- 基因本体学分析显示,核蛋白 (L3-卵) 和代谢酶 (L3-肺,L3-气管) 的丰富.
结论:
- 在Ascaris suum ES产品的组成中存在显著的特定阶段的差异.
- 对这些ES蛋白的功能作用进行进一步的研究对于开发新的抗病策略至关重要.
相关概念视频
Histology of the Small Intestine
The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...
Feces Formation and Defecation
After spending 3 to 10 hours in the large intestine, chyme loses a lot of water and becomes feces, the final product of digestion. Feces consist of undigested dietary fiber such as cellulose, mucus, sloughed-off epithelial cells, and microbes. The descending and sigmoid colon stores feces and uses haustral contractions to dry it out but retains enough water to give it a semi-solid texture.
The mass peristalsis then pushes the feces into the rectum, which stretches the rectal walls to activate...
The mass peristalsis then pushes the feces into the rectum, which stretches the rectal walls to activate...
Giardiasis
Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...
Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...


