Endocrinology and Metabolism

Original Articles

Diabetes, Obesity and Metabolism
Impact of Post-Transplant Diabetes Mellitus on Survival and Cardiovascular Events in Kidney Transplant Recipients: Ja Young Jeon, Shin Han-Bit, Bum Hee Park, Nami Lee, Hae Jin Kim, Dae Jung Kim, Kwan-Woo Lee, Seung Jin Han; Endocrinol Metab. 2023;38(1):139-145. Published online February 6, 2023; DOI: https://doi.org/10.3803/EnM.2022.1594

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Background
Post-transplant diabetes mellitus (PTDM) is a risk factor for poor outcomes after kidney transplantation (KT). However, the outcomes of KT have improved recently. Therefore, we investigated whether PTDM is still a risk factor for mortality, major atherosclerotic cardiovascular events (MACEs), and graft failure in KT recipients.
Methods
We studied a retrospective cohort of KT recipients (between 1994 and 2017) at a single tertiary center, and compared the rates of death, MACEs, overall graft failure, and death-censored graft failure after KT between patients with and without PTDM using Kaplan-Meier analysis and a Cox proportional hazard model.
Results
Of 571 KT recipients, 153 (26.8%) were diagnosed with PTDM. The mean follow-up duration was 9.6 years. In the Kaplan- Meier analysis, the PTDM group did not have a significantly increased risk of death or four-point MACE compared with the non-diabetes mellitus group (log-rank test, P=0.957 and P=0.079, respectively). Multivariate Cox proportional hazard models showed that PTDM did not have a negative impact on death or four-point MACE (P=0.137 and P=0.181, respectively). In addition, PTDM was not significantly associated with overall or death-censored graft failure. However, patients with a long duration of PTDM had a higher incidence of four-point MACE.
Conclusion
Patient survival and MACEs were comparable between groups with and without PTDM. However, PTDM patients with long duration diabetes were at higher risk of cardiovascular disease.

Citations

Citations to this article as recorded by

Effect of post-transplant diabetes mellitus on cardiovascular events and mortality: a single‐center retrospective cohort study
Uğur Ünlütürk, Tolga Yıldırım, Merve Savaş, Seda Hanife Oğuz, Büşra Fırlatan, Deniz Yüce, Nesrin Damla Karakaplan, Cemile Selimova, Rahmi Yılmaz, Yunus Erdem, Miyase Bayraktar
Endocrine.2024;[Epub] CrossRef
Prevalence of new-onset diabetes mellitus after kidney transplantation: a systematic review and meta-analysis
Qiufeng Du, Tao Li, Xiaodong Yi, Shuang Song, Jing Kang, Yunlan Jiang
Acta Diabetologica.2024;[Epub] CrossRef
Safety and efficacy of semaglutide in post kidney transplant patients with type 2 diabetes or Post-Transplant diabetes
Moeber Mohammed Mahzari, Omar Buraykan Alluhayyan, Mahdi Hamad Almutairi, Mohammed Abdullah Bayounis, Yazeed Hasan Alrayani, Amir A. Omair, Awad Saad Alshahrani
Journal of Clinical & Translational Endocrinology.2024; 36: 100343. CrossRef

Miscellaneous
The Status and Distinct Characteristics of Endocrine Diseases in North Korean Articles Published between 2006 and 2015: Kyeong Jin Kim, Shin Ha, Yo Han Lee, Jung Hyun Noh, Sin Gon Kim; Endocrinol Metab. 2018;33(2):268-272. Published online June 21, 2018; DOI: https://doi.org/10.3803/EnM.2018.33.2.268

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Background

Past decades of division have led to substantial differences in medical environments between South and North Korea. However, little is known about North Korea's medical status and research field, especially regarding endocrinology. In this study, we report the characteristics of North Korea's articles regarding endocrine-related diseases.

Methods

Among the nine medical journals, articles published in Internal Medicine between 2006 and 2015 were reviewed. A total of 2,092 articles were included; among them, 96 articles were associated with endocrinology. We analyzed these articles according to the disease categories they focused on and evaluated their features.

Results

Articles related to diabetes mellitus accounted for 55.2% (n=53) and those to thyroid disease accounted for 28.1% (n=27). Other disease categories, including adrenal gland (n=1), pituitary gland (n=1), and osteoporosis (n=3), comprised minor portions. Regarding diabetes mellitus, more than half the articles (n=33) focused on treatment and complications. Experimental studies were conducted with old hypoglycemic drugs or natural substances for the treatment of hyperglycemia. Regarding thyroid disease, articles related to hyperthyroidism were the most common (51.9%, n=14), followed by thyroid nodule/cancer (18.5%, n=5). Unique article features were short length, no figures, and less than five references.

Conclusion

North Korea's endocrinology articles mainly focused on diabetes mellitus and thyroid disease. Persistent studies have been carried out in North Korea with dedication despite the poor medical environment. We hope that this study will be the beginning of mutual medical exchange and collaboration between North and South Korea.

Citations

Citations to this article as recorded by

Surgical Diseases in North Korea: An Overview of North Korean Medical Journals
Sejin Choi, Taehoon Kim, Soyoung Choi, Hee Young Shin
International Journal of Environmental Research and Public Health.2020; 17(24): 9346. CrossRef
Endocrinology and Metabolism Has Been Indexed in MEDLINE: A Major Achievement
Won-Young Lee
Endocrinology and Metabolism.2019; 34(2): 138. CrossRef

Insulin-dependent Stimulation of a Subtype of p38Map Kinases and Its Role in Insulin's Antiapoptotic Activity.: Shin Hae Kang, Ji Hoon Kang, Hee Kyoung Kang, Dae Ho Lee, Young Ki Lee, Deok Bae Park; J Korean Endocr Soc. 2004;19(4):358-368. Published online August 1, 2004

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Abstract PDF: BACKGROUND
The p38 mitogen-activated protein kinases (p38Map kinases) are a family of prolinedirected serine/threonine kinases. At least four isoforms of p38Map kinases have been identified; however, their physiological significances remain to be understood. Recently, the role of p38Map kinase in insulin-stimulated glucose uptake has been suggested. The present study aimed to investigate which isoform(s) were responsive to insulin stimulation. In addition, the activities of p38 Map kinase isoforms that may participate in the insulin's antiapoptotic function in CHO-IR cells were also determined. METHODS: Chinese hamster ovary cells, expressing wild- or mutated human insulin receptors (CHO-IR cells), were used to investigate whether insulin can stimulate any of the isoform(s) of the p38Map kinases. The p38Map kinase activity was determined by measuring the degree of 32P-labelling of ATF-2 protein, a specific substrate of p38Map kinase. A DNA laddering assay was performed to examine the degree of apoptosis and a RT-PCR analysis to determine which isoform(s) of the p38Map kinases were expressed in response to insulin. RESULTS: p38Map kinase activation by insulin was sharply suppressed in only the CHO-IR/A1018K cells, which lack the intrinsic tyrosine kinase activity of insulin receptors. Insulin stimulation of p38Map kinase was insensitive to SB203580, an inhibitor of the alpha(alpha)-and beta(beta)-isoforms of p38Map kinases. Moreover, orthovanadate, known as a specific stimulator of the gamma(gamma)-and delta(delta-) isoforms, stimulated the p38Map kinase activity in CHO-IR cells. Insulin increased the degree of mRNA expression of the delta-isoform, but not that of the alpha-isoform p38Map kinase. Interestingly, PD98059, an inhibitor of ERK, suppressed p38Map kinase stimulation, as well as the antiapoptotic protection of cells by insulin. As insulin was found to still protect ERK-lacking cells (CHO-IR/ SOS) from apoptosis, any substantial role(s) of ERK might be excluded. CONCLUSION: Our data suggest that insulin may stimulate the activity and expression of the-isoform of p38Map kinase in a MEK1/2-dependent manner. The involvement of the delta-isoform of p38Map kinase in insulin's antiapoptotic protection was also suggested, but remains to be investigated further to clarify the nature of its mechanism of action

Case Report

A Case of Ocular Myasthenia Associated with Graves's disease.: Hong Nam Kim, Keum Jin Ban, Seok Shi, Shin Han, Soo Jin Yoon, So Yeon Kim, Byoung Ik Park, Kwon Jun Lee; J Korean Endocr Soc. 1998;13(2):252-257. Published online January 1, 2001

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Abstract PDF: The occurrences of thyrotoxicosis in patients with myasthenia gravis have been reported before the knowledge of the pathogenesis of the two disease. Thytotoxicosis is known to occur in 3 to 6 percent of patients with myasthenia gravis and myasthenia gravis occurs in only a fraction of 1 percent of the thyrotoxic populatian. Myasthenia gravis is currently considered as a systemic autoimmune disorder of acetylcholine receptor and often presented with other autoimmune diseases such as SLE, Rheumatoid arthritis. We experienced a 18-year-old woman who presented with graves disease and isolated ocular myasthenia gravis. Chest CT didnot reveal enlarged thymus. The usual treatement of myasthenia gravis associated with thymtoxicosis consists of medical control of the thyrotoxicosis, then thymectomy and later subtotal thyroidectomy. Her ptosis and thyrotoxicosis have improved after the medicatian of anticholinesterase and propylthiourecil. A case of ocular myasthenia gravis with Gravesdisease was experienced, so we reported the case with a brief review of literature.

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