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技术文章
文献引用产品|人胚肝二倍体细胞CCC-HEL-1
点击次数：817 发布时间：2026/4/21 15:45:31
文章标题：Monochorionic-twin-on-a-chip for investigating fetal organ growth and ｍmbedbolism
作者列表：Ran Rui, Dong Xiaojing, Yang Yang, Shakeel Sana, Liu Xiaoyu, Saffery Richard, Yang Jing, Han Ting-Lig
期刊：Microsystems & Nanoengineering
发表时间：2026-1-12
影响因子：9.9
DOI:10.1038/s41378-025-01124-w
主要研究成果：Abstract
Placental vascular anastomoses are a relatively common occurrence in monochorionic twin pregnancies, potentially leading to unbalanced blood supply to the developing twins, higher rates of perinatal mortality and long term morbidity. Unfortunately, our understanding of these conditions and their treatment strategies remains limited due to the lack of suitable in vitro and vivo twin models. Herein, we presented a microfluidic-based Monochorionic-Twin-on-a-Chip (MTOC) model designed to simulate monochorionic diamnionic (MCDA) pregnancies. The aim was to model the impact of an unbalanced nutrition supply on fetal organ growth using hepatic cells grown in vitro. Our findings confirm that an unbalanced nutrition supply from the donor circulation reduces cellular growth relative to the recipient system. This recapitulates the situation of the smaller (donor) and larger twins (recipient) within an MCDA pregnancy in vivo. Furthermore, hepatic cells exposed to the donor circulation exhibited a relative hypoxia state. Metabolite profiling of intracellular, extracellular, and biomass samples from small twins revealed lower levels of amino acids, fatty acids, and TCA cycle intermediates compared to large twins. Additionally, 13C ｍmbedbolic flux showed upregulation of TCA cycle activity in the large twin, whereas the small twin would utilize more glutamine for energy supply and lipid synthesis. These results suggest that the unbalanced nutrient supply associated with some MC twin pregnancies restricts fetal liver growth in association with altered ｍmbedbolic profiles. Moreover, our MTOC model represents a novel system for studying a range of other physiological intrauterine environments and pregnancy outcomes associated with MC twin pregnancies.
原创作者：上海雅吉生物科技有限公司
