# Hispanic Latino Lipid Consortium

> **NIH NIH R01** · UNIV OF NORTH CAROLINA CHAPEL HILL · 2021 · $770,456

## Abstract

ABSTRACT
An estimated 53% of U.S. adults have dyslipidemia, putting a majority of the U.S. adult population at high risk
for related chronic diseases such as cardiovascular diseases, non-alcoholic fatty liver disease, and gallbladder
disease. US Hispanic/Latinos (H/L) ages 18–74 have an overall prevalence of dyslipidemia of 65%, among the
highest reported in the US. Lipid traits are highly heritable; estimates range from 20 to 70%, with common
genetic variants explaining ~30% of the variance for these traits in Europeans. As serum concentrations of
lipids are established therapeutic targets for many lipid-related chronic diseases, researchers have invested
considerable effort into understanding the genetic epidemiology of lipid traits, however these large-scale efforts
have almost exclusively considered Caucasians. Understudied at-risk populations provide a powerful design to
gain insight into genetic mechanisms for disease because they can exhibit finer haplotypic structure and have
different underlying causal variants. To ensure ancestrally diverse populations are not the last to benefit
from the new era of precision medicine, we must both increase representation of ancestrally diverse
populations in genetic research and develop expedited strategies for translating genomics for clinical
utility. First, to enrich discovery, we will conduct the first large-scale GWAS and rare variant analyses for lipid-
related traits in H/L. We will meta-analyze, fine-map, perform multivariate associations, and validate effects in
all available H/L samples in analyses that will include >50,000 samples. Second, to interpret function, we will
move GWAS findings into an interpretable biological context and characterize the regulatory mechanisms
involved in lipid regulation via tissue-specific functional analysis, and ancestry-specific validation of effects
using RNAseq data in two independent H/L cohorts. Identification of genes and pathways associated with lipid
levels elucidates important basic biology about human metabolism, but isn’t necessarily clinically translatable.
Thus, to evaluate clinical significance of lipid-associated genetic risk factors, we will use multiple massive
genetic and electronic medical record repositories (including the Multiethnic Cohort, BioME, and BioVU) to
identify clinical outcomes associated with single variants and genetically regulated expression of lipid-
associated genes in H/L phenome-wide. Our design focuses effort on discovery of new variants and loci by
pioneering genetic studies of lipid-related traits in diverse H/L populations, functional interpretation of variant
effects via gene-based annotation and expression prediction with robust validation, and characterizing the
clinical outcomes predicted by lipid-associated genetics in three large DNA bio-banks with linked electronic
medical records. These population-specific, function- and outcome-oriented approaches will advance
understanding of the genetic etiology of lipids ...

## Key facts

- **NIH application ID:** 10112293
- **Project number:** 5R01HL142302-04
- **Recipient organization:** UNIV OF NORTH CAROLINA CHAPEL HILL
- **Principal Investigator:** Jennifer Below
- **Activity code:** R01 (R01, R21, SBIR, etc.)
- **Funding institute:** NIH
- **Fiscal year:** 2021
- **Award amount:** $770,456
- **Award type:** 5
- **Project period:** 2018-05-01 → 2023-02-28

## Primary source

NIH RePORTER: https://reporter.nih.gov/project-details/10112293

## Citation

> US National Institutes of Health, RePORTER application 10112293, Hispanic Latino Lipid Consortium (5R01HL142302-04). Retrieved via AI Analytics 2026-05-22 from https://api.ai-analytics.org/grant/nih/10112293. Licensed CC0.

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