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母乳不仅提供母乳喂养婴儿适量的营养,还在预防婴儿体内感染和促进组织器官发育中发挥着重要的生理功能。胞外体是一类直径大小在40~100nm的膜囊体,是由多囊胞内体与细胞膜融合而成。胞外体不仅在细胞间传递膜组成成分还传递核酸分子,提示它们在细胞间信息传递的重要作用。近期研究发现母乳胞外体在新生儿免疫系统建立中发挥着重要的作用。因此,来自母乳的胞外体RNA通过微泡的转运方式进入新生儿体内,在疾病预防中发挥重要作用。
Breast milk not only provides adequate nutrition for breastfeeding infants, but also plays an important physiological role in preventing infection in infants and promoting the development of tissues and organs. Extracellular body is a class of 40 ~ 100nm diameter membrane capsule, is composed of polycystic cytoplasm and cell membrane fusion. Extracellular bodies not only transmit membrane components and transmit nucleic acid molecules among cells, suggesting that they play an important role in the transmission of information between cells. Recent studies have found that extracellular milks play an important role in the establishment of newborn immune system. Therefore, extracellular body RNA from breast milk enters the newborn through the microbubble transport and plays an important role in disease prevention.