Gradient-Echo Spectroscopic Imaging Study of Saturated Fat and Breast Cancer
饱和脂肪与乳腺癌的梯度回波光谱成像研究
基本信息
- 批准号:10322559
- 负责人:
- 金额:$ 44.42万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-02-02 至 2023-01-31
- 项目状态:已结题
- 来源:
- 关键词:AdipocytesAdipose tissueAffectAndrogensBenignBiopsyBiopsy SpecimenBody fatBody mass indexBreastBreast Cancer Risk FactorBreast Magnetic Resonance ImagingCancer EtiologyCellsCessation of lifeCharacteristicsClinicalClinical ManagementContralateral BreastCore BiopsyDataDental crownsDevelopmentDiagnosticDietary FatsDiseaseEstrogensFatty AcidsFatty acid glycerol estersGoalsGoldGrowth and Development functionHormonalImageIndividualInflammationIntakeInterventionInvestigationLeadLesionLinkMagnetic Resonance ImagingMalignant - descriptorMalignant NeoplasmsMammographic screeningMapsMeasurementMeasuresMenopauseMethodsMonounsaturated Fatty AcidsPathologyPatientsPilot ProjectsPolyunsaturated Fatty AcidsPostmenopausePreventionProductionPrognosisReportingRisk FactorsRoleSample SizeSaturated Fatty AcidsScanningSerumSourceSpatial DistributionStainsStructureTestingTimeTissuesUnsaturated FatsWomanaggressive breast cancerbreast cancer diagnosisbreast densitybreast imagingclinical diagnosticscontrast enhancedepidemiology studyfollow-upimaging modalityimaging studyin vivoin vivo magnetic resonance spectroscopyinfiltrating duct carcinomamalignant breast neoplasmnovel therapeutic interventionpatient populationrecruitsaturated fatspectroscopic imaging
项目摘要
PROJECT SUMMARY
The role of fat in breast cancer development and growth has been studied extensively using body mass index,
a measure of whole body fatness, and dietary fat intake in a number of epidemiological studies. However,
there is a paucity of studies, on an individual level, to assess the role of breast fat itself in breast cancer due to
lack of a non-invasive and fast measurement method. Since breast fibroglandular cells are surrounded by
breast fat cells, the characteristics of breast fat may have a stronger relationship with breast cancer
development, as supported by recent studies showing that a majority of breast cancer develops at the interface
between fibroglandular tissue and adipose tissue. However, it is not trivial to study the role of breast fat, mainly
due to the lack of a non-invasive and fast measurement method sensitive enough to important features of
breast fat, such as types of fat.
Recently, we have developed a rapid MRI method, referred to as Gradient-echo Spectroscopic Imaging (GSI),
to measure fatty acid composition during clinical breast MRI exams. GSI can provide map of saturated fat and
unsaturated fats in the breast adipose tissue without performing tissue biopsy. Our pilot study found that the
postmenopausal women with aggressive breast cancer, known as invasive ductal carcinoma, have a
significantly higher percentage of saturated fat in their breast adipose tissue than the postmenopausal women
with only benign lesions.
The overarching goal of this study is to determine the role of saturated fatty acid in breast cancer development
and growth. In this proposal, we plan to use GSI for non-invasive in vivo measurement of saturated fat in the
breast adipose tissue of postmenopausal women who undergo diagnostic breast MRI exams (Aims 1 and 2) or
MRI-guided biopsy scans (Aim 3). Our central hypotheses are that (i) the breast saturated fatty acid fraction
measured by GSI is associated with the presence of malignant lesions in the breast and (ii) the breast
saturated fatty acid fraction correlates positively with inflammation in the breast adipose tissue that may lead to
increase in estrogen production in adipocytes.
The proposed study will evaluate whether breast saturated fat is an independent risk factor for breast cancer,
and whether it can provide additional diagnostic information to current clinical diagnostic exams. In addition,
the proposed imaging measure of breast saturated fat can be used to assess the efficacy of any intervention to
reduce cancer-related inflammation in the breast adipose tissue and to investigate the possible role of fatty
acid composition in prevention and clinical management of breast cancer.
项目总结
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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Sungheon Gene Kim其他文献
Sungheon Gene Kim的其他文献
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Gradient-Echo Spectroscopic Imaging Study of Saturated Fat and Breast Cancer
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