The role of DNA methylation and histone modifications in blood pressure: a systematic review.

Gonzalez-Jaramillo, Valentina; Portilla-Fernandez, Eliana; Glisic, Marija; Voortman, Trudy; Bramer, Wichor; Chowdhury, Rajiv; Roks, Anton J M; Jan Danser, A H; Muka, Taulant; Nano, Jana; Franco, Oscar H (2019). The role of DNA methylation and histone modifications in blood pressure: a systematic review. Journal of human hypertension, 33(10), pp. 703-715. Nature Publishing Group 10.1038/s41371-019-0218-7

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Epigenetic mechanisms might play a role in the pathophysiology of hypertension, a major risk factor for cardiovascular disease and renal failure. We aimed to systematically review studies investigating the association between epigenetic marks (global, candidate-gene or genome-wide methylation of DNA, and histone modifications) and blood pressure or hypertension. Five bibliographic databases were searched until the 7th of December 2018. Of 2984 identified references, 26 articles based on 25 unique studies met our inclusion criteria, which involved a total of 28,382 participants. The five studies that assessed global DNA methylation generally found lower methylation levels with higher systolic blood pressure, diastolic blood pressure, and/or presence of hypertension. Eighteen candidate-gene studies reported, in total, 16 differentially methylated genes, including renin-angiotensin-system-related genes (ACE promoter and AGTR1) and genes involved in sodium homeostasis and extracellular fluid volume maintenance system (NET promoter, SCNN1A, and ADD1). Between the three identified epigenome-wide association studies (EWAS), lower methylation levels of SULF1, EHMT2, and SKOR2 were found in hypertensive patients as compared with normotensive subjects, and lower methylation levels of PHGDH, SLC7A11, and TSPAN2 were associated with higher systolic and diastolic blood pressure. In summary, the most convincing evidence has been reported from candidate-gene studies, which show reproducible epigenetic changes in the interconnected renin-angiotensin and inflammatory systems. Our study highlights gaps in the literature on the role of histone modifications in blood pressure and the need to conduct high-quality studies, in particular, hypothesis-generating studies that may help to elucidate new molecular mechanisms.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)

UniBE Contributor:

González Jaramillo, Valentina; Muka, Taulant and Franco Duran, Oscar Horacio

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

0950-9240

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Andrea Flükiger-Flückiger

Date Deposited:

29 Jul 2019 15:34

Last Modified:

26 Jan 2020 02:30

Publisher DOI:

10.1038/s41371-019-0218-7

Related URLs:

PubMed ID:

31346255

Additional Information:

Gonzalez-Jaramillo and Portilla-Fernandez contributed equally to this work; Link to the fulltext view-only version provided by Springer Nature SharedIt.

BORIS DOI:

10.7892/boris.132193

URI:

https://boris.unibe.ch/id/eprint/132193

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