Investigating the health and economic benefits of colostrum and milk from dairy cattle selected for enhanced immunity
Investigating the health and economic benefits of colostrum and milk from dairy cattle selected for enhanced immunity
批准号:
516027-2017
负责人:
Mallard, Bonnie
金额:
$13.72万
依托单位:
依托单位国家:
加拿大
项目类别:
Collaborative Research and Development Grants
财政年份:
2018
资助国家:
加拿大
项目状态:
已结题
起止时间:
2018-01-01 至 2019-12-31
中文摘要
奶牛的疾病会对肉和奶的质量造成不利影响。我们的研究表明,高免疫反应(HIR)牛具有许多健康优势,包括更高质量的初乳/牛奶。HIR技术由我们的合作伙伴Semex联盟作为豁免权进行营销。虽然HIR有许多优点,包括增强的抗原特异性抗体和细胞介导的免疫反应,但还有更多的优点有待发现,特别是与初乳有关的优点。初乳是母亲生产的第一种保护新生儿免受疾病侵袭的牛奶。HIR奶牛具有增强的抗原特异性抗体,它们通过初乳传递给小牛。除了与疾病保护相关的抗原特异性抗体外,初乳中还有许多其他成分,包括“天然”抗体。天然抗体存在于循环中,以前没有接触过病原体,并提供了部分天然防御。天然抗体和其他被称为防御素的天然防御分子也没有在初乳和HIR高免疫反应者的背景下进行研究。检测针对疫苗的抗原特异性抗体、来自高免疫反应者的天然抗体和初乳/牛奶中的防御素,以及编码对抗体循环重要的受体FcRN(Fc受体新生)的基因表达的变化,将是这里的重点,并可能揭示一种潜在的改善新生小牛健康的方法。*除了免疫的遗传调节外,还有表观遗传机制,如在牛初乳中发现的影响新生儿免疫系统发育的微小RNA(MiRNA)。我们小组的初步数据表明,HIR奶牛具有更多的特定miRNAs,可能会影响新生儿的免疫力。因此,在HIR的背景下进一步研究免疫调节miRNA也是必要的。**
英文摘要
Diseases of dairy cattle adversely affect meat and milk quality. Our research demonstrates that high immune response (HIR) cattle have many health advantages, including better quality colostrum/milk. HIR technology is marketed by our partner, the Semex Alliance as Immunity+. While many advantages of HIR exist, including enhanced antigen-specific antibody and cell-mediated immune responses, there are more to discover, particularly in relation to colostrum. Colostrum is the first milk produced from the mother that protects newborns from disease. HIR cows have enhanced antigen-specific antibody which they pass to their calves via colostrum. There are many other components of colostrum apart from antigen-specific antibody associated with disease protection, including "natural" antibody. Natural antibody is present in circulation without previous exposure to pathogens and provides part of the first-line of innate defense. Natural antibodies and other natural defense molecules, known as defensins, also have not been investigated in the context of colostrum and HIR high immune responders. Examining antigen-specific antibody to vaccines, natural antibody and defensins in colostrum/milk from high versus average or low immune responders, as well as variation in the expression of genes that code for a receptor important for the circulation of antibody, called FcRN (Fc Receptor Neonatal), will be the focus here and may reveal a potential method to improve neonatal calf health.****In addition to genetic regulation of immunity, there are epigenetic mechanisms, such as micro RNA (miRNA) found in bovine colostrum that influence the development of the neonatal immune system. Preliminary data from our group indicates that HIR cows have greater quantities of specific miRNAs with the potential to impact neonatal immunity. Therefore further investigation of immuno-regulatory miRNA in the context of HIR is also warranted. **
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会议论文
Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcomes in High and Low Immune Responder Phenotypes
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批准号:RGPIN-2017-03932
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项目类别:Discovery Grants Program - Individual
-
资助金额:$2.48万
-
财政年份:2022
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负责人:Mallard, Bonnie
-
依托单位:
Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcomes in High and Low Immune Responder Phenotypes
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批准号:RGPIN-2017-03932
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.48万
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财政年份:2021
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负责人:Mallard, Bonnie
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依托单位:
Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcomes in High and Low Immune Responder Phenotypes
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批准号:RGPIN-2017-03932
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.48万
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财政年份:2020
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负责人:Mallard, Bonnie
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依托单位:
The High Immune Response (HIRtm)/Immunity + Technology Partnership
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批准号:555439-2020
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项目类别:Synergy Awards
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资助金额:$14.57万
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财政年份:2020
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负责人:Mallard, Bonnie
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依托单位:
Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcomes in High and Low Immune Responder Phenotypes
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批准号:RGPIN-2017-03932
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.48万
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财政年份:2019
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负责人:Mallard, Bonnie
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依托单位:
Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcomes in High and Low Immune Responder Phenotypes
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批准号:RGPIN-2017-03932
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.48万
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财政年份:2018
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负责人:Mallard, Bonnie
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依托单位:
Genetic and genomic approaches to improve dairy health, food quality and farm profitability through enhanced immune response
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批准号:455090-2013
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项目类别:Collaborative Research and Development Grants
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资助金额:$7.49万
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财政年份:2017
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负责人:Mallard, Bonnie
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依托单位:
Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcomes in High and Low Immune Responder Phenotypes
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批准号:RGPIN-2017-03932
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.48万
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财政年份:2017
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负责人:Mallard, Bonnie
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依托单位:
Genetic and genomic approaches to improve dairy health, food quality and farm profitability through enhanced immune response
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批准号:455090-2013
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项目类别:Collaborative Research and Development Grants
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资助金额:$5.46万
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财政年份:2016
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负责人:Mallard, Bonnie
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依托单位:
Investigating Mechanisms and Genes that Shape Bovine Host Defence and Impact Disease Outcome in High and Low Immune Responders Phenotypes
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批准号:RGPIN-2016-03821
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.26万
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财政年份:2016
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负责人:Mallard, Bonnie
-
依托单位:
Genetic and genomic approaches to improve dairy health, food quality and farm profitability through enhanced immune response
-
批准号:455090-2013
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项目类别:Collaborative Research and Development Grants
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资助金额:$12.75万
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财政年份:2015
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负责人:Mallard, Bonnie
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依托单位:
Mechanisms that regulate bovine adaptive immune responses and impact disease outcome
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批准号:105510-2011
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项目类别:Discovery Grants Program - Individual
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资助金额:$2.91万
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财政年份:2015
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负责人:Mallard, Bonnie
-
依托单位:
Mechanisms that regulate bovine adaptive immune responses and impact disease outcome
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批准号:105510-2011
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项目类别:Discovery Grants Program - Individual
-
资助金额:$2.91万
-
财政年份:2014
-
负责人:Mallard, Bonnie
-
依托单位:
Genetic markers associated with high and low immune response phenotypes and its implication for disease
-
批准号:431144-2012
-
项目类别:Collaborative Research and Development Grants
-
资助金额:$2.44万
-
财政年份:2014
-
负责人:Mallard, Bonnie
-
依托单位:
Genetic and genomic approaches to improve dairy health, food quality and farm profitability through enhanced immune response
-
批准号:455090-2013
-
项目类别:Collaborative Research and Development Grants
-
资助金额:$12.31万
-
财政年份:2014
-
负责人:Mallard, Bonnie
-
依托单位:
Genetic markers associated with high and low immune response phenotypes and its implication for disease
-
批准号:431144-2012
-
项目类别:Collaborative Research and Development Grants
-
资助金额:$5.21万
-
财政年份:2013
-
负责人:Mallard, Bonnie
-
依托单位:
Mechanisms that regulate bovine adaptive immune responses and impact disease outcome
-
批准号:105510-2011
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$2.91万
-
财政年份:2013
-
负责人:Mallard, Bonnie
-
依托单位:
Mechanisms that regulate bovine adaptive immune responses and impact disease outcome
-
批准号:105510-2011
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$2.91万
-
财政年份:2012
-
负责人:Mallard, Bonnie
-
依托单位:
Genetic markers associated with high and low immune response phenotypes and its implication for disease
-
批准号:431144-2012
-
项目类别:Collaborative Research and Development Grants
-
资助金额:$3.57万
-
财政年份:2012
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负责人:Mallard, Bonnie
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依托单位:
Applied Genetic and Epigenetic Influences on High and Low Immune Responder Phenotypes of Dairy Cattle
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批准号:391346-2009
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项目类别:Collaborative Research and Development Grants
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资助金额:$2.77万
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财政年份:2011
-
负责人:Mallard, Bonnie
-
依托单位:
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