Progress in Research on Key Factors Regulating Lactation Initiation in the Mammary Glands of Dairy Cows
Author:
Guo Haoyue1, Li Jianyuan2, Wang Yuhao1, Cao Xiang1ORCID, Lv Xiaoyang34, Yang Zhangping12ORCID, Chen Zhi1234ORCID
Affiliation:
1. College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China 2. Huanshan Group, Qingdao 266000, China 3. Joint International Research Laboratory of Agriculture & Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou 225009, China 4. International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou 225009, China
Abstract
Lactation initiation refers to a functional change in the mammary organ from a non-lactating state to a lactating state, and a series of cytological changes in the mammary epithelium from a non-secreting state to a secreting state. Like the development of the mammary gland, it is regulated by many factors (including hormones, cytokines, signaling molecules, and proteases). In most non-pregnant animals, a certain degree of lactation also occurs after exposure to specific stimuli, promoting the development of their mammary glands. These specific stimuli can be divided into two categories: before and after parturition. The former inhibits lactation and decreases activity, and the latter promotes lactation and increases activity. Here we present a review of recent progress in research on the key factors of lactation initiation to provide a powerful rationale for the study of the lactation initiation process and mammary gland development.
Funder
Jiangsu Province University International Joint Research Laboratory of the Universities of Jiangsu Province of China
Subject
Genetics (clinical),Genetics
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