Kexin Hua , Dan Liu , Qianshuai Xu , Yuna Peng , Yu Sun , Rongrong He , Rui Luo , Hui Jin
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In addition, hormones regulate the gut-mammary gland-secretory immunoglobulin A (sIgA) axis in pregnant mammals, controlling the levels of sIgA in milk, which serves as the primary source of IgA for piglets and helps them resist pathogens such as PEDV and TGEV. In the present study, we review the existing studies on the interactions between hormones and the gut-mammary-sIgA axis/lactogenic immunity in mammals and explore the potential mechanisms of hormonal regulation that have not been studied in detail, to draw attention to the role of hormones in influencing the immune response of pregnant and lactating mammals and their offspring, and highlight the effect of hormones in regulating sIgA-mediated anti-infection processes in colostrum and milk. 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引用次数: 0
摘要
初乳和牛奶为免疫系统正在发育的新生哺乳动物提供完整的食物和重要的免疫保护。初乳中含有大量免疫球蛋白,是新生仔猪和犊牛的主要抗体来源。随后的母乳喂养可持续提供针对肠道病原体的局部抗体保护,以及发育中的免疫系统的成熟,并为新生儿的生长提供营养。哺乳动物进化出了激素策略,可调节初乳和牛奶中的免疫球蛋白水平,从而促进有效的哺乳期免疫。此外,激素还能调节妊娠哺乳动物的肠道-乳腺-分泌型免疫球蛋白 A(sIgA)轴,控制乳汁中的 sIgA 水平,而乳汁是仔猪 IgA 的主要来源,有助于仔猪抵抗 PEDV 和 TGEV 等病原体。在本研究中,我们回顾了现有关于激素与哺乳动物肠道-乳腺-IgA轴/乳源性免疫之间相互作用的研究,并探讨了尚未被详细研究的激素调节的潜在机制,以引起人们对激素在影响妊娠和哺乳动物及其后代免疫应答中的作用的关注,并强调激素在调节初乳和乳汁中sIgA介导的抗感染过程中的作用。探讨激素与泌乳免疫之间的关系,可能会确定更好的注射时间和开发新疫苗,从而找到改善泌乳免疫的更好方法。
The role of hormones in the regulation of lactogenic immunity in porcine and bovine species
Colostrum and milk offer a complete diet and vital immune protection for newborn mammals with developing immune systems. High immunoglobulin levels in colostrum serve as the primary antibody source for newborn piglets and calves. Subsequent milk feeding support continued local antibody protection against enteric pathogens, as well as maturation of the developing immune system and provide nutrients for newborn growth. Mammals have evolved hormonal strategies that modulate the levels of immunoglobulins in colostrum and milk to facilitate effective lactational immunity. In addition, hormones regulate the gut-mammary gland-secretory immunoglobulin A (sIgA) axis in pregnant mammals, controlling the levels of sIgA in milk, which serves as the primary source of IgA for piglets and helps them resist pathogens such as PEDV and TGEV. In the present study, we review the existing studies on the interactions between hormones and the gut-mammary-sIgA axis/lactogenic immunity in mammals and explore the potential mechanisms of hormonal regulation that have not been studied in detail, to draw attention to the role of hormones in influencing the immune response of pregnant and lactating mammals and their offspring, and highlight the effect of hormones in regulating sIgA-mediated anti-infection processes in colostrum and milk. Discussion of the relationship between hormones and lactogenic immunity may lead to a better way of improving lactogenic immunity by determining a better injection time and developing new vaccines.
期刊介绍:
Domestic Animal Endocrinology publishes scientific papers dealing with the study of the endocrine physiology of domestic animal species. Those manuscripts utilizing other species as models for clinical or production problems associated with domestic animals are also welcome.
Topics covered include:
Classical and reproductive endocrinology-
Clinical and applied endocrinology-
Regulation of hormone secretion-
Hormone action-
Molecular biology-
Cytokines-
Growth factors