Baccarelli has served as the Dean of the Faculty at the Harvard T.H. Chan School of Public Health since January 2024. He previously taught at the Harvard Chan School as the Mark and Catherine Winkler Associate Professor of Environmental Epigenetics from 2010 to 2016.[5]
He also served as Professor and Chair of the Department of Environmental Health Sciences at the Columbia University Mailman School of Public Health from 2016 to 2023.[6][7] While at Columbia, he led the NIEHS Center for Environmental Health and Justice in Northern Manhattan, which brought together scientists, advocates, community organizations and the public to understand health concerns caused by environmental exposures and to address inequities.[8]
Baccarelli's research has pioneered the field of public health epigenetics, which explores how environmental factors can modify gene expression without changing the DNA sequence.[9] His studies have demonstrated that air pollution can alter the epigenome, leading to changes in gene regulation that may contribute to the development of diseases such as cardiovascular disorders and neurodegenerative conditions.[10][11]
Baccarelli conducted research showing that short-term exposure to air pollution, including levels considered "acceptable," can impair cognitive ability in the elderly.[12][13][14] Baccarelli also found that the use of nonsteroidal anti-inflammatory drugs such as aspirin partially protected against the negative cognitive effects of pollution.[15] He also conducted research showing that ambient air pollution is associated with an increased risk of osteoporosis and bone fractures in older individuals.[16][17]
Awards and recognition
In 2020, Baccarelli was elected to the National Academy of Medicine.[18] He has also been an active member of the International Society of Environmental Epidemiology, serving as the society's president from 2022 to 2023.[19]
Baccarelli A, Bollati V. Epigenetics and environmental chemicals. Curr Opin Pediatr. 2009 Apr;21(2):243-51.[22]
Marioni, R.E., Shah, S., McRae, A.F. et al. DNA methylation age of blood predicts all-cause mortality in later life. Genome Biol 16, 25 (2015).[23]
Baccarelli, Andrea; Wright, Robert O.; Bollati, Valentina. et al. "Rapid DNA Methylation Changes after Exposure to Traffic Particles".[24]
Bollati, Valentina, et al. "Changes in DNA methylation patterns in subjects exposed to low-dose benzene." Cancer research 67.3 (2007): 876–880.[25]
Levine, Morgan E., et al. "An epigenetic biomarker of aging for lifespan and healthspan." Aging (Albany NY) 10.4 (2018): 573.[26]
Kupsco, Allison, et al. Prenatal Metal Concentrations and Childhood Cardiometabolic Risk Using Bayesian Kernel Machine Regression to Assess Mixture and Interaction Effects. Epidemiology. 2019;30(2):263-273.[27]
Turner, Michelle C, et al. Outdoor air pollution and cancer: An overview of the current evidence and public health recommendations. CA Cancer J Clin. 2020.[28]
Bell, Christopher G, et al. DNA methylation aging clocks: challenges and recommendations. Genome Biology. 2019;20(1):249.[29]
Wu H, Eckhardt CM, Baccarelli AA. Molecular mechanisms of environmental exposures and human disease. Nature Reviews Genetics. 2023;24(5):332-344.[30]
Piscitelli, Prisco, et al. The role of outdoor and indoor air quality in the spread of SARS-CoV-2: Overview and recommendations by the research group on COVID-19 and particulate matter (RESCOP commission). Environ Res. 2022;211:113038.[31]
Peters A, Nawrot TS, Baccarelli AA. Hallmarks of environmental insults. Cell. 2021;184(6):1455-1468.[32]
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