Cited by 193Genomics and Chromatin DynamicsPancreatic function and diabetesDiabetes and associated disorders

Global epigenomic analysis of primary human pancreatic islets provides insights into type 2 diabetes susceptibility loci

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Stitzel, Michael L., Sethupathy, Praveen, Pearson, Daniel S., Chines, Peter S., Song, Lingyun, Erdos, Michael R., Welch, Ryan, Parker, Stephen C.J. +7 more·2010·Cell Metabolism

Abstract

Identifying cis-regulatory elements is important to understanding how human pancreatic islets modulate gene expression in physiologic or pathophysiologic (e.g., diabetic) conditions. We conducted genome-wide analysis of DNase I hypersensitive sites, histone H3 lysine methylation modifications (K4me1, K4me3, K79me2), and CCCTC factor (CTCF) binding in human islets. This identified ∼18,000 putative promoters (several hundred unannotated and islet-active). Surprisingly, active promoter modifications were absent at genes encoding islet-specific hormones, suggesting a distinct regulatory mechanism. Of 34,039 distal (nonpromoter) regulatory elements, 47% are islet unique and 22% are CTCF bound. In the 18 type 2 diabetes (T2D)-associated loci, we identified 118 putative regulatory elements and confirmed enhancer activity for 12 of 33 tested. Among six regulatory elements harboring T2D-associated variants, two exhibit significant allele-specific differences in activity. These findings present a global snapshot of the human islet epigenome and should provide functional context for noncoding variants emerging from genetic studies of T2D and other islet disorders.

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Crossref · 10.1016/j.cmet.2010.09.012

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  • Studies of pancreatic islets from nondiabetic donors and patients with T2D have identified epigenetic modifications in genes that potentially affect β-cell function.

    “Studies of pancreatic islets from nondiabetic donors ( 19 , 20 ) and patients with T2D ( 21 ) have identified epigenetic modifications in genes that potentially affect β-cell function.”

    From β-Cell Failure in Type 2 Diabetes: Postulated Mechanisms and Prospects for Prevention and Treatment (2014) · cites this paper as [20]

    The Introduction and Discussion describe epigenomic profiling of human islets and identify chromatin marks at genes important for islet function, including INS. However, Experimental Procedures > Human Islets refers donor clinical information to Table S10; the passages in our copy do not establish that these donors were nondiabetic. The separate citation attached to patients with T2D is not assessed here. (LLM, conf=0.82)

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Authors
Stitzel, M. L., Sethupathy, P., Pearson, D. S., Chines, P. S., Song, L., Erdos, M. R., Welch, R., Parker, S. C. J., Boyle, A. P., Scott, L. J., Margulies, E. H., Boehnke, M., Furey, T. S., Crawford, G. E., & Collins, F. S.
Affiliations
  • National Institutes of Health (US)
  • Duke University (US)
  • University of Michigan (US)
Corresponding author
Collins, Francis S.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2010-11
Volume
12
Issue
5
Pages
443-455
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2095365870
Cited by
193
References
70
Citations by year
2026: 1 · 2025: 5 · 2024: 4 · 2023: 1 · 2022: 9 · 2021: 10 · 2020: 8 · 2019: 20 · 2018: 11 · 2017: 10 · 2016: 13 · 2015: 14 · 2014: 26 · 2013: 25 · 2012: 22
FWCI
7.94
Type
journal article
Language
en
Update notices
erratum (2010-12-01)
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (DK062370)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
pancreatic islets, cis-regulatory elements, DNase I hypersensitive sites, histone H3 lysine methylation, CTCF binding, enhancers, non-coding variants
MeSH terms
CCCTC-Binding Factor, Deoxyribonuclease I, Diabetes Mellitus, Type 2, HeLa Cells, Histones, Humans, Islets of Langerhans, Lysine, Methylation, Promoter Regions, Genetic, Regulatory Sequences, Nucleic Acid, Repressor Proteins, Genome-Wide Association Study, Genetic Loci, Epigenomics

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