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Publication Name World Journal of Diabetes
Manuscript ID 116265
Country China
Received
2025-11-06 04:21
Peer-Review Started
2025-11-07 00:41
First Decision by Editorial Office Director
2025-12-18 09:22
Return for Revision
2025-12-18 09:22
Revised
2025-12-19 14:21
Publication Fee Transferred
Second Decision by Editor
2026-01-26 02:51
Second Decision by Editor-in-Chief
Final Decision by Editorial Office Director
2026-01-26 07:20
Articles in Press
2026-01-26 07:20
Edit the Manuscript by Language Editor
Typeset the Manuscript
2026-07-22 08:37
Publish the Manuscript Online
2026-08-05 07:53
ISSN 1948-9358 (online)
Open Access This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Copyright © The Author(s) 2026. Published by Baishideng Publishing Group Inc. All rights reserved.
Article Reprints For details, please visit: http://www.wjgnet.com/bpg/gerinfo/247
Permissions For details, please visit: http://www.wjgnet.com/bpg/gerinfo/207
Publisher Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA
Website http://www.wjgnet.com
Category Biology
Manuscript Type Correspondence
Article Title Letter to the Editor: Leptin gene hypomethylation - a missing epigenetic link in lean type 2 diabetes?
Manuscript Source Invited Manuscript
All Author List Jin-Wei Zhang
ORCID
Author(s) ORCID Number
Jin-Wei Zhang http://orcid.org/0000-0001-8683-509X
Funding Agency and Grant Number
Funding Agency Grant Number
National Natural Science Foundation of China 82170406, 81970238.
Corresponding Author Jin-Wei Zhang, PhD, Professor, State Key Laboratory of Chemical Biology, Research Center of Chemical Kinomics, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, No. 345 Lingling Road, Shanghai 200032, China. jinweizhang@sioc.ac.cn
Key Words Leptin; DNA methylation; Epigenetics; Type 2 diabetes mellitus; Prediabetes; Lean-phenotype; Non-obese; Biomarkers
Core Tip This letter critically analyzes the study by Sun et al, which demonstrates that progressive hypomethylation of the leptin (LEP) gene promoter parallels glycemic deterioration in non-obese Chinese adults. The strong inverse correlation between methylation and serum LEP levels (r = -0.95, P < 0.001) highlights an adiposity-independent epigenetic mechanism that may represent a risk factor for diabetes pathogenesis. These findings position LEP promoter methylation as a promising blood-based biomarker for early detection and intervention in non-obese individuals at risk of diabetes.
Publish Date 2026-08-05 07:53
Citation

Zhang JW. Letter to the Editor: Leptin gene hypomethylation - a missing epigenetic link in lean type 2 diabetes? World J Diabetes 2026; 17(8): 116265

URL https://www.wjgnet.com/1948-9358/full/v17/i8/116265.htm
DOI https://doi.org/10.4239/wjd.116265
Full Article (PDF) WJD-17-116265-with-cover.pdf
Manuscript File 116265_Auto_Edited_011651.docx
Answering Reviewers 116265-answering-reviewers.pdf
Audio Core Tip 116265-audio.mp3
Conflict-of-Interest Disclosure Form 116265-conflict-of-interest-statement.pdf
Copyright License Agreement 116265-copyright-assignment.pdf
Non-Native Speakers of English Editing Certificate 116265-non-native-speakers.pdf
Peer-review Report 116265-peer-reviews.pdf
Scientific Misconduct Check 116265-scientific-misconduct-check.png
Scientific Editor Work List 116265-scientific-editor-work-list.pdf
CrossCheck Report 116265-crosscheck-report.pdf