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West Ashley Library
9 a.m. - 6 p.m.
Phone: (843) 766-6635
Folly Beach Library
9 a.m. - 1 p.m.
Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
Closed for renovations
Phone: (843) 883-3914
Wando Mount Pleasant Library
9 a.m. - 6 p.m.
Phone: (843) 805-6888
Village Library
9 a.m. - 6 p.m.
Phone: (843) 884-9741
St. Paul's/Hollywood Library
9 a.m. - 6 p.m.
Phone: (843) 889-3300
Otranto Road Library
9 a.m. - 6 p.m.
Phone: (843) 572-4094
Mt. Pleasant Library
9 a.m. – 6 p.m.
Phone: (843) 849-6161
McClellanville Library
9 a.m. - 1 p.m.
Phone: (843) 887-3699
Keith Summey North Charleston Library
9 a.m. – 6 p.m.
Phone: (843) 744-2489
John's Island Library
9 a.m. - 6 p.m.
Phone: (843) 559-1945
Hurd/St. Andrews Library
9 a.m. - 6 p.m.
Phone: (843) 766-2546
Miss Jane's Building (Edisto Library Temporary Location)
9 a.m. – 3 p.m.
Phone: (843) 869-2355
Dorchester Road Library
9 a.m. - 6 p.m.
Phone: (843) 552-6466
John L. Dart Library
9 a.m. - 6 p.m.
Phone: (843) 722-7550
Baxter-Patrick James Island
9 a.m. - 6 p.m.
Phone: (843) 795-6679
Main Library
9 a.m. - 6 p.m.
Phone: (843) 805-6930
Bees Ferry West Ashley Library
9 a.m. - 6 p.m.
Phone: (843) 805-6892
Mobile Library
9 a.m. - 5 p.m.
Phone: (843) 805-6909
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Genome-Wide Analysis of DNA Methylation and Fine Particulate Matter Air Pollution in Three Study Populations: KORA F3, KORA F4, and the Normative Aging Study.
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- Author(s): Panni, Tommaso1 ; Mehta, Amar J.2; Schwartz, Joel D.2; Baccarelli, Andrea A.3; Just, Allan C.2; Wolf, Kathrin1; Wahl, Simone1,4; Cyrys, Josef1; Kunze, Sonja1,4; Strauch, Konstantin5,6; Waldenberger, Melanie1,4; Peters, Annette1,2
- Source:
Environmental Health Perspectives. Jul2016, Vol. 124 Issue 7, p983-990. 8p. 3 Charts, 3 Graphs.- Subject Terms:
- Source:
- Additional Information
- Subject Terms:
- Abstract: BACKGROUND: Epidemiological studies have reported associations between particulate matter (PM) concentrations and cancer and respiratory and cardiovascular diseases. DNA methylation has been identified as a possible link but so far it has only been analyzed in candidate sites. OBJECTIVES: We studied the association between DNA methylation and short- and mid-term air pollution exposure using genome-wide data and identified potential biological pathways for additional investigation. METHODS: We collected whole blood samples from three independent studies-KORA F3 (2004-2005) and F4 (2006-2008) in Germany, and the Normative Aging Study (1999-2007) in the United States-and measured genome-wide DNA methylation proportions with the Illumina 450k BeadChip. PM concentration was measured daily at fixed monitoring stations and three different trailing averages were considered and regressed against DNA methylation: 2-day, 7-day and 28-day. Meta-analysis was performed to pool the study-specific results. RESULTS: Random-effect meta-analysis revealed 12 CpG (cytosine-guanine dinucleotide) sites as associated with PM concentration (1 for 2-day average, 1 for 7-day, and 10 for 28-day) at a genome-wide Bonferroni significance level (p ≤ 7.5E-8); 9 out of these 12 sites expressed increased methylation. Through estimation of I² for homogeneity assessment across the studies, 4 of these sites (annotated in NSMAF, C1orf212, MSGN1, NXN) showed p > 0.05 and I² < 0.5: the site from the 7-day average results and 3 for the 28-day average. Applying false discovery rate, p-value < 0.05 was observed in 8 and 1,819 additional CpGs at 7- and 28-day average PM2.5 exposure respectively. CONCLUSION: The PM-related CpG sites found in our study suggest novel plausible systemic pathways linking ambient PM exposure to adverse health effect through variations in DNA methylation. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Environmental Health Perspectives is the property of National Institute of Environmental Health Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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