Role of Human Milk Oligosaccharides on Brain Development in Preterm Infants
母乳低聚糖对早产儿大脑发育的作用
基本信息
- 批准号:10590741
- 负责人:
- 金额:$ 20.64万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-04-01 至 2025-01-31
- 项目状态:未结题
- 来源:
- 关键词:AdultAffectAnatomyAnimalsApplied SkillsAreaAttentionBetula GenusBirth WeightBody CompositionBrainBrain InjuriesBreast FeedingBreastfed infantCaliforniaCarbohydratesChildClinical NutritionClinical TrialsCognitionCognitive deficitsComplexDataDevelopmentDiffusion Magnetic Resonance ImagingExclusive BreastfeedingExposure toFeasibility StudiesFermentationFosteringFoundationsFundingFutureGoalsHispanicHuman MilkImpaired cognitionInfantInflammationLeadLearning SkillLifeLos AngelesLow Birth Weight InfantMRI ScansMagnetic Resonance ImagingMeasuresMemoryMentorsMothersNutritionalNutritional StudyOligosaccharidesOutcomeOutcome MeasureParentsPediatric HospitalsPhasePopulationPremature InfantProcessResearchResourcesRiskRoleShapesSialic AcidsSignal TransductionSourceStructureTechniquesTrainingUnited States National Institutes of HealthUniversitiesWorkbrain magnetic resonance imagingcareercognitive developmentcognitive enhancementdietaryfeedinggray mattergut dysbiosisgut inflammationgut microbesgut microbiomehigh risk infanthigh risk populationmyelinationneuropsychiatric disorderpost-doctoral trainingprebioticsrecruitskill acquisitionskillswhite matter
项目摘要
PROJECT SUMMARY
Optimizing early cognitive development is critical, as children with impaired cognition are at greater risk for
neuropsychiatric disorders later in life. While it is known that breastfeeding promotes better cognitive
development, few studies have identified specific components of breast milk that are involved in this process.
One component that may be relevant is a group of non-digestible complex carbohydrates known as human
milk oligosaccharides (HMOs). Animal studies reveal that certain HMOs enhance cognitive outcomes of
memory, attention, and impulse control, and the relationship may be driven by several mechanisms. First,
some HMOs are a source of sialic acid important for brain development. Second, HMOs are a source of
prebiotics important for gut microbe development, which is likely to play a role in cognitive development and a
focus of the parent R01. Although the first year of life is a critical window for brain development, it is unknown
whether HMOs affect structural-functional organization of infant cognition. In this application, Dr. Paige
Berger’s goal is to determine associations between HMOs and magnetic resonance imaging (MRI) measures
of infant brain development (brain white matter myelination, cortical maturation). During the K99 phase, she
will build on an existing NIH sponsored study (R01DK110793) by Dr. Michael Goran. In the parent R01,
Hispanic mothers and normal birth weight infants are being followed, with frequent assessment of HMOs up to
24 months. In the proposed project, Dr. Berger will leverage the data and resources on HMOs in a subset of
exclusively breastfeeding mother-infant pairs (n=65) at 1 and 6 months. Since brain white matter myelination
and cortical maturation were not measured in the parent R01, Dr. Berger will collect these in infants at 1 and 6
months. The K99 hypothesis is that in normal birth weight infants (≥2500 g), brain white matter myelination
and cortical maturation will be positively associated with HMOs. Dr. Berger will focus her K99 training on the
development of expertise in structural-functional organization of infant cognition, and hone her skills in
conducting clinical nutrition research in mother-infant pairs. She will learn the skills and techniques needed to
complete the proposed research under her expert team (Drs. Goran, Bradley Peterson, Lars Bode, Leann
Birch, Douglas Vanderbilt). Collectively, her expert team has a strong track record of training postdoctoral
scholars transitioning to independence. In the R00 phase, Dr. Berger will apply the skills acquired during the
mentored phase to initiate a new line of work in low birth weight infants (<2500 g), examining associations
between HMOs and cognitive development. The proposed work will provide Dr. Berger with data and support
to develop efficient and effective clinical trials, with future implications to validate the roles of HMOs that may
have positive effects on cognitive development in a high-risk infant population.
项目总结
优化早期认知发展至关重要,因为认知受损的儿童患糖尿病的风险更大
晚年的神经精神障碍。虽然众所周知,母乳喂养可以促进更好的认知能力
在母乳发育过程中,很少有研究确定参与这一过程的母乳的具体成分。
可能相关的一个成分是一组不可消化的复杂碳水化合物,称为人类
牛奶低聚糖(HMO)。动物研究表明,某些HMO可增强
记忆、注意力和冲动控制,以及它们之间的关系可能由几种机制驱动。第一,
一些HMO是唾液酸的来源,对大脑发育很重要。其次,医疗保健组织是
益生元对肠道微生物的发育很重要,这可能在认知发育和
父R01的焦点。尽管生命的第一年是大脑发育的关键窗口,但它是未知的
HMOS是否影响婴儿认知的结构-功能组织。在这个应用程序中,Paige博士
伯杰的目标是确定HMO和磁共振成像(MRI)测量之间的关联
婴儿大脑发育(脑白质髓鞘形成、皮质成熟)。在K99阶段,她
将建立在NIH现有的由Michael Goran博士赞助的研究(R01DK110793)的基础上。在父R01中,
西班牙裔母亲和正常出生体重的婴儿正在被跟踪,对HMO的频繁评估高达
24个月。在提议的项目中,伯杰博士将利用医疗保健组织的数据和资源
1个月和6个月时纯母乳喂养母婴对(n=65)。自脑白质髓鞘形成以来
伯杰博士将在1岁和6岁的婴儿身上收集这些数据
月份。K99假说是,在正常出生体重婴儿(≥2500g)中,脑白质髓鞘形成
皮质成熟度与HMOS呈正相关。伯杰博士将把她的K99训练重点放在
发展婴儿认知的结构功能组织方面的专业知识,并磨练她在
进行母婴配对的临床营养研究。她将学习所需的技能和技巧
在她的专家团队(Goran博士、Bradley Peterson博士、Lars Bode博士、Leann博士)的指导下完成拟议的研究
伯奇、道格拉斯·范德比尔特)。总的来说,她的专家团队在培训博士后方面有着良好的记录
向独立过渡的学者。在R00阶段,Berger博士将应用在R00阶段获得的技能
指导阶段在低出生体重儿(2500克)中启动一项新的工作,检查关联
HMO和认知发展之间的关系。拟议的工作将为伯杰博士提供数据和支持
开发高效和有效的临床试验,并对未来的影响,以验证保健组织的作用,可能
对高危婴儿人群的认知发展有积极影响。
项目成果
期刊论文数量(0)
专著数量(0)
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Paige Kimberly Berger其他文献
Paige Kimberly Berger的其他文献
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{{ truncateString('Paige Kimberly Berger', 18)}}的其他基金
Role of Human Milk Oligosaccharides on Brain Development in Preterm Infants
母乳低聚糖对早产儿大脑发育的作用
- 批准号:
10580137 - 财政年份:2022
- 资助金额:
$ 20.64万 - 项目类别:
Role of Human Milk Oligosaccharides on Infant Brain Development
母乳低聚糖对婴儿大脑发育的作用
- 批准号:
9892845 - 财政年份:2020
- 资助金额:
$ 20.64万 - 项目类别:
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