Lipidomics Biomarkers Link Sleep Restriction to Adiposity Phenotype, Diabetes, and Cardiovascular Risk
Lipidomics Biomarkers Link Sleep Restriction to Adiposity Phenotype, Diabetes, and Cardiovascular Risk
批准号:
10212442
负责人:
BRUCE S KRISTAL
金额:
$85.07万
依托单位国家:
美国
项目类别:
财政年份:
2018
资助国家:
美国
项目状态:
已结题
起止时间:
2018-09-01 至 2023-06-30
关键词:
AddressAdultAgeAgingAwarenessBioinformaticsBiologicalBiological MarkersBiologyBody fatChronicClinicalClinical TrialsCoronaryCounselingDataDevelopmentDiabetes MellitusDiseaseDual-Energy X-Ray AbsorptiometryEarly InterventionEpidemiologyEthnic OriginEthnic groupFaceFatty acid glycerol estersFutureGoalsHealthHeterogeneityHospitalsHumanIndividualInsulin ResistanceLaboratoriesLinkLipidsLiverMagnetic Resonance ImagingMathematicsMeasuresMetabolicMetabolic syndromeMyocardialNested Case-Control StudyObesityPatient Self-ReportPatternPenetrancePericardial body locationPharmacologic SubstancePhenotypePopulationPopulation HeterogeneityPublished CommentResearchResearch DesignRiskRisk FactorsSafetySamplingScheduleScienceSeriesSleepSleep DeprivationSleep DisordersSleep disturbancesTestingUnited States National Institutes of HealthVisceralVisceral fatWomanbiomarker developmentbiomarker identificationbiomarker panelcardiovascular risk factorcase controlcircadiancohortdiabetes riskdiabeticdisorder riskethnic diversityexperienceextracellularimprovedinterdisciplinary approachlipidomicsmortality riskmulti-ethnicpersonalized medicineprospectivesexsleep abnormalitiessleep patternsubcutaneoustool
中文摘要
慢性睡眠限制和睡眠模式改变已经成为一种常见而严重的健康问题
越来越多的证据表明,睡眠中断直接导致和/或有助于
代谢异常和疾病,包括糖尿病。尽管有明显的需要,但是,
然而,没有客观的方法来评估慢性睡眠状态,
表型,特别是在不同的人群。毫不奇怪,2011年NIH睡眠障碍的第一个目标
研究计划旨在确定:“...新陈代谢...睡眠不足的生物标志物这将有助于个性化
治疗,并澄清与未经治疗的睡眠和昼夜节律紊乱和干扰相关的风险。“是
从生物学上讲,限制/改变睡眠的代谢后果,至少在某种程度上,
反映在个体循环脂质和总体肥胖状态的变化中--即,临床特征
与代谢综合征和显性糖尿病相关、先于和预测代谢综合征和显性糖尿病。相反,健康,
身体活跃的成年人显示出内脏和肝脏肥胖水平相对较低的脂肪分布,
不管他们的肥胖程度如何。这五个国家中存在的肥胖水平和类型的异质性
多种族队列(MEC)中的种族群体提供了一个独特的研究环境,以更好地了解疾病
睡眠持续时间和模式异常的影响,这些变化如何与糖尿病风险相关,以及这些变化如何影响糖尿病风险。
年龄和种族会改变关系。更具体地说,我们提出了一个普遍的观点-和一套
假设,其中:(i)睡眠限制和/或改变的睡眠模式直接诱导改变的循环
脂质短期和改变的肥胖表型(例如,内脏、肝脏和
(二)睡眠不足或睡眠模式改变的核心风险是种族和性别-
独立,但其对糖尿病风险的影响受不同种族内潜在风险的影响
(iii)睡眠问题的后果继续存在,并增加糖尿病患者的死亡风险
具体而言,更一般地说,在MEC中。该提案利用了约1850名老年人的数据
(age~65-70)DEXA/MRI评估体脂/分布(例如,内脏脂肪、肝脏脂肪、皮下脂肪等)
以及2400个嵌套(MEC中)、种族和年龄多样(年龄~50至80岁)的病例对照对的可用性,
未来的糖尿病,以及布里格姆妇女医院现有的临床和睡眠研究数据。
识别睡眠不足或异常的生物标志物小组将影响科学的多个方面,
健康:(i)有助于临床识别和治疗(例如,咨询,药物)的睡眠问题;
(ii)创建流行病学工具,将睡眠不足与疾病风险联系起来,并有助于其他疾病的发展
生物标志物,和;(iii)有助于睡眠生物学研究及其对人类健康的影响。完成
这将进一步推动NIH关注健康和早期干预而不是晚期疾病的目标。这项研究是
在我们实验室的能力范围内,可以在4年内完成
英文摘要
Chronic sleep restriction and altered sleep patterns have emerged as a common and serious health
and safety issue, and there is growing evidence that disrupted sleep directly underlies and/or contributes to
metabolic abnormalities and diseases, including diabetes. Despite the obvious need, however, there are as
yet no objective means of assessing chronic sleep status and limited understanding of intermediate
phenotypes, especially in diverse populations. Not surprisingly, the first goal of the 2011 NIH Sleep Disorders
Research Plan is to identify: "...metabolic... biomarkers of sleep deficiency ... that will facilitate personalized
treatments, and clarify the risk associated with untreated sleep and circadian disorders and disturbances." It is
biologically plausible that the metabolic consequences of restricted/altered sleep are, at least at some level,
reflected in shifts within an individual's circulating lipids and overall adiposity status -- i.e., the clinical hallmarks
that associate with, precede, and predict, metabolic syndrome and overt diabetes. Conversely, healthy,
physically active adults display a fat distribution with a relatively low level of visceral and liver adiposity –
regardless of their overall adiposity. The heterogeneity in level and types of obesity that exists among the five
ethnic groups in the Multiethnic Cohort (MEC) offers a unique research setting to better understand the ill
effects of abnormalities in sleep duration and patterns, how these changes relate to diabetes risk, and how this
relationship is modified by age and ethnicity. More specifically, we propose a general viewpoint -- and set of
hypotheses, in which: (i) Sleep restriction and/or altered sleep patterns directly induce altered circulating
lipids short-term and altered adiposity phenotypes (e.g., shifts in the ratios between visceral, liver, and
subcutaneous fat) long-term; (ii) the core risk of insufficient sleep or altered sleep patterns is ethnic and sex-
independent, but its penetrance on diabetes risk is influenced by the underlying risk within the different ethnic
groups; (iii) the consequences of sleep problems continue and increase risk of mortality in diabetics
specifically and, more generally, in the MEC. This proposal leverages data on ~1850 older individuals
(age~65-70) DEXA/MRI-assessed for body fat/distribution (e.g., visceral fat, liver fat, subcutaneous fat, etc)
and the availability of 2400 nested (in MEC), ethnically- and age-diverse (age~50 to 80) case-control pairs for
future diabetes, as well as existing clinical and sleep study data in Brigham and Women's Hospital.
Identification of biomarker panels for insufficient or abnormal sleep will impact multiple aspects of science and
health: (i) contribute to clinical recognition and treatment (e.g., counseling, pharmaceuticals) of sleep issues;
(ii) create epidemiologic tools to relate limited sleep with disease risk and aid development of other disease
biomarkers, and; (iii) contribute to research on sleep biology and its implications for human health. Completion
will further NIH goals of focusing on health and early interventions rather than late stage disease. The study is
well within our lab's capacity to complete in 4 years.
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Lipidomics Biomarkers Link Sleep Restriction to Adiposity Phenotype, Diabetes, and Cardiovascular Risk
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