Association of Nutritional and Biochemical Predictors of Body Fat Amount and Distribution with Cancer Risk
身体脂肪量和分布的营养和生化预测因子与癌症风险的关联
基本信息
- 批准号:8918531
- 负责人:
- 金额:$ 83.95万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:
- 资助国家:美国
- 起止时间:至 2016-08-31
- 项目状态:已结题
- 来源:
- 关键词:AbdomenAccountingAfrican AmericanAnthropometryBehaviorBehavior TherapyBehavioralBiochemicalBiochemical MarkersBiochemistryBiological MarkersBloodBlood Chemical AnalysisBody fatBody mass indexBody measure procedureBreastCessation of lifeCognitiveCohort StudiesColorectalColorectal CancerCross-Sectional StudiesDataDiabetes MellitusDietary intakeDimensionsDual-Energy X-Ray AbsorptiometryEatingEating BehaviorEpidemiologic StudiesEstradiolEthnic groupFastingFatty acid glycerol estersFeasibility StudiesFemaleFutureGenomeGenomicsGlucoseGonadal Steroid HormonesHawaiian populationHeightHepaticHeterogeneityHormonalHormonesIGF1 geneIGFBP1 geneIL6 geneIndividualInstructionInsulinIntra-abdominalJapanese AmericanLatinoLeptinLife StyleLipidsLiverMagnetic Resonance ImagingMalignant NeoplasmsMeasurementMeasuresMetabolicMethodsMicronutrientsModelingNested Case-Control StudyNutritionalObesityParticipantPeripheralPhenotypePhysical activityPopulationProxyQuestionnairesRaceRecontactsRiskSHBG geneTestingTestosteroneVariantVisceralWeightabdominal fatadiponectinbasecancer epidemiologycancer riskcohortdesignethnic differenceethnic minority populationforesthigh riskimaging modalityimprovedinstrumentinterestmalignant breast neoplasmmetabolomicsmicrobialmicrobiomepredictive modelingprogramspsychologicsexsubcutaneouswaist circumference
项目摘要
PROJECT SUMMARY (See Instructions):
Body fatness, in particular, in the abdominal, intra-abdominal and hepatic regions is known to carry a higher metabolic risk, compared to overall, peripheral or subcutaneous fat. Yet, the effect of fat mass in high-risk compartments, which is found in greater proportions in ethnic minorities, is likely to have been underestimated by cancer epidemiology research that relied on proxy measures of body mass and waist size. We hypothesize that body fat topography can be predicted by a combination of demographic, simple anthropometry, and lifestyle exposome variables (exposure-related blood biochemistry and behavior profiles). Indeed, we found in a feasibility study using the Multiethnic Cohort (MEC) study that the prediction
of the abdominal fat compartments measured by abdominal MRI can be improved when considering exposome variables in addition to BMI. In the proposed study, we will first assess energetics-related behaviors of dietary intake, physical activity and cognitive eating and will analyze fasting blood levels of adipocytokines, insulin/IGF, sex steroid hormones, and lipids and lipid-soluble micronutrients among 2,000 MEC subjects (200 in each of 10 sex-ethnic groups) who will be recontacted for a cross-sectional study of detailed adiposity phenotypes measured by DXA and abdominal MRI. Using Random Forest and other similar regression models, we will identify the best nutritional, biochemical and behavioral markers that
improve the prediction from BMI of the following adiposity phenotypes: total fat mass and trunk-to-periphery fat ratio measured by DXA and deep and superficial abdominal subcutaneous fat, visceral fat and liver fat measured by MRI. Finally, we will test the associations of the predicted adiposity phenotypes, as well as top predictors, for association with the risk of breast (n=1,217 cases) and colorectal cancers (n=1,379 cases) in nested case-control studies using the prospectively collected questionnaire data and biospecimens in the MEC. These data will be essential to this POTs integrated approach to study the relationships of the exposome, genome, metabolome and gut microbiome with body fat distribution and cancer risk since they
may help to identify new avenues for behavioral interventions.
项目概述(见项目说明):
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Unhee Lim其他文献
Unhee Lim的其他文献
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{{ truncateString('Unhee Lim', 18)}}的其他基金
Association of Nutritional and Biocfiemical Predictors of Body Fat Amount and Di
身体脂肪量和体重的营养和生物化学预测因子协会
- 批准号:
8374222 - 财政年份:2012
- 资助金额:
$ 83.95万 - 项目类别:
Association of Nutritional and Biocfiemical Predictors of Body Fat Amount and Di
身体脂肪量和体重的营养和生物化学预测因子协会
- 批准号:
8565872 - 财政年份:
- 资助金额:
$ 83.95万 - 项目类别:
Association of Nutritional and Biocfiemical Predictors of Body Fat Amount and Di
身体脂肪量和体重的营养和生物化学预测因子协会
- 批准号:
8729305 - 财政年份:
- 资助金额:
$ 83.95万 - 项目类别:
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