Literary Identification of Differentially Hydroxymethylated DNA Regions for Type 2 Diabetes Mellitus: A Scoping Minireview

Ryan Anh Minh Luong, Weihua Guan, Fue Chee Vue and Jun Dai ()
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Ryan Anh Minh Luong: Doctoral Program of Osteopathic Medicine, College of Osteopathic Medicine, Des Moines University, West Des Moines, IA 50266, USA
Weihua Guan: Division of Biostatistics & Health Data Science, University of Minnesota School of Public Health, Minneapolis, MN 55414, USA
Fue Chee Vue: Doctoral Program of Osteopathic Medicine, College of Osteopathic Medicine, Des Moines University, West Des Moines, IA 50266, USA
Jun Dai: Department of Public Health, College of Health Sciences, Des Moines University, West Des Moines, IA 50266, USA

IJERPH, 2024, vol. 21, issue 2, 1-12

Abstract: Type 2 diabetes mellitus (T2DM) is a public health condition where environmental and genetic factors can intersect through hydroxymethylation. It was unclear which blood DNA regions were hydroxymethylated in human T2DM development. We aimed to identify the regions from the literature as designed in the ongoing Twins Discordant for Incident T2DM Study. A scoping review was performed using Medical Subject Headings (MeSH) and keyword methods to search PubMed for studies published in English and before 1 August 2022, following our registered protocol. The keyword and MeSH methods identified 12 and 3 records separately, and the keyword-identified records included all from the MeSH. Only three case-control studies met the criteria for the full-text review, including one MeSH-identified record. Increased global levels of 5-hydroxymethylated cytosine (5hmC) in T2DM patients versus healthy controls in blood or peripheral blood mononuclear cells were consistently reported ( p < 0.05 for all). Among candidate DNA regions related to the human SOCS3 , SREBF1 , and TXNIP genes, only the SOCS3 gene yielded higher 5hmC levels in T2DM patients with high poly-ADP-ribosylation than participants combined from those with low PARylation and healthy controls ( p < 0.05). Hydroxymethylation in the SOCS3 -related region of blood DNA is promising to investigate for its mediation in the influences of environment on incident T2DM.

Keywords: hydroxymethylation; type 2 diabetes mellitus; blood; peripheral; human; twin (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2024
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