In 2016, the World Journal of Diabetes (WJD) has published the 20^th issue which containing 6 articles contributed by scientists worldwide. Among these comprehensive articles are (1) “Glucagon-like peptide 1 in the pathophysiology and pharmacotherapy of clinical obesity”, a Review by Márta Korbonits, Professor, et al from Centre for Endocrinology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, United Kingdom; (2) “Evaluation of extraction protocols for anti-diabetic phytochemical substances from medicinal plants”, an Original Article by Stanley Irobekhian Reuben Okoduwa, Researcher, et al from Directorate of Research and Development, Nigerian Institute of Leather and Science Technology, Nigeria, etc. We invite you to peruse all 6 articles in this issue, as they present the latest research progress/findings and provide insightful comments in diabetes that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 7, Issue 20, December 15, 2016.

Figure 1 The cover of the issue. Editorial Board Member of World Journal of Diabetes, Amalia Gastaldelli, DPhil, MSc, PhD, Adjunct Professor, Associate Professor, Head, Cardiometabolic Risk Laboratory, National Research Council Institute of Clinical Physiology, 56100 Pisa, Italy

The WJD is a leading academic journal devoted to reporting the latest, cutting-edge research progress and findings of basic research and clinical practice in the field of diabetes. It was launched on March 15, 2010 and is published monthly (12 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage diabetologists worldwide to submit manuscripts to the WJD describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue, at http://www.wjgnet.com/1948-9358/e-journal.htm.