Comparative proteomic study of casein micelles in human and animal milks for infant nutrition improvement
文献类型： 外文期刊
作者： Ji, Zhongyuan 1 ; Yu, Zhongna 1 ; Du, Qijing 1 ; Fan, Rongbo 1 ; Wang, Jun 1 ; Han, Rongwei 1 ; Yang, Yongxin 1 ;
作者机构： 1.Qingdao Agr Univ, Coll Food Sci & Engn, Shandong Technol Innovat Ctr Special Food, Qingdao 266109, Shandong, Peoples R China
2.Qingdao Agr Univ, Haidu Coll, Laiyang 265200, Shandong, Peoples R China
3.Chinese Acad Agr Sci, Inst Anim Sci, Lab Qual & Safety Risk Assessment Dairy Prod, Minist Agr & Rural Affairs, Beijing 100193, Peoples R China
关键词： Human; Dairy animal; Milk casein micelles; Proteomics
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.6； 五年影响因子：6.9 ）
ISSN： 0023-6438
年卷期： 2025 年 220 卷
页码：
收录情况： SCI
摘要： Human milk represents the native requirements of infants and serves as a valuable reference for enhancing formula. This investigation focuses on examining the proteome and particle size of milk casein micelles (MCMs) in human and eight animal milks (Holstein cattle, buffalo, yak, goat, sheep, camel, horse, and donkey). In the MCMs studied, a total of 792 proteins derived from the micelles were identified, with 27 proteins being shared across human and eight animal milk samples, including lipoprotein lipase and fatty acid synthase, as determined using Upset diagram software. Notably, human MCMs exhibited significantly higher levels of lipid transporters and carbohydrate metabolism regulator. In contrast, the MCMs in specific animal milks showed a significant increase in the abundance of antimicrobial proteins compared with human milk, such as lactoferrin in camel and donkey, lysozyme in horse and donkey. Additionally, the particle size of human MCMs was significantly smaller than that of studied animals. This investigation comprehensively elucidates the proteome variances and particle size disparities in MCMs between human and eight distinct animal species. Our results provided critical insights pertinent to the optimization of infant formula, aligning it more closely with human milk unique composition.
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