Endocrinology and Metabolism

Original Articles

Diabetes, obesity and metabolism
Effects of an Electronic Medical Records-Linked Diabetes Self-Management System on Treatment Targets in Real Clinical Practice: Retrospective, Observational Cohort Study: So Jung Yang, Sun-Young Lim, Yoon Hee Choi, Jin Hee Lee, Kun-Ho Yoon; Endocrinol Metab. 2024;39(2):364-374. Published online March 21, 2024; DOI: https://doi.org/10.3803/EnM.2023.1878

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Abstract PDF Supplementary Material PubReader ePub: Background
This study evaluated the effects of a mobile diabetes management program called “iCareD” (College of Medicine, The Catholic University of Korea) which was integrated into the hospital’s electronic medical records system to minimize the workload of the healthcare team in the real clinical practice setting.
Methods
In this retrospective observational study, we recruited 308 patients. We categorized these patients based on their compliance regarding their use of the iCareD program at home; compliance was determined through self-monitored blood glucose inputs and message subscription rates. We analyzed changes in the ABC (hemoglobin A1c, blood pressure, and low-density lipoprotein cholesterol) levels from the baseline to 12 months thereafter, based on the patients’ iCareD usage patterns.
Results
The patients comprised 92 (30%) non-users, 170 (55%) poor-compliance users, and 46 (15%) good-compliance users; the ABC target achievement rate showed prominent changes in good-compliance groups from baseline to 12 months (10.9% vs. 23.9%, P<0.05), whereas no significant changes were observed for poor-compliance users and non-users (13.5% vs. 18.8%, P=0.106; 20.7% vs. 14.1%, P=0.201; respectively).
Conclusion
Implementing the iCareD can improve the ABC levels of patients with diabetes with minimal efforts of the healthcare team in real clinical settings. However, the improvement of patients’ compliance concerning the use of the system without the vigorous intervention of the healthcare team needs to be solved in the future.

Endocrine Research
Danshen Extracts Prevents Obesity and Activates Mitochondrial Function in Brown Adipose Tissue: Yoon Hee Cho, Cheol Ryong Ku, Young-Suk Choi, Hyeon Jeong Lee, Eun Jig Lee; Endocrinol Metab. 2021;36(1):185-195. Published online February 24, 2021; DOI: https://doi.org/10.3803/EnM.2020.835

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Background
Danshen has been widely used in oriental medicine to improve body function. The purpose of this study is to investigate the effect of water-soluble Danshen extract (DE) on weight loss and on activation proteins involved in mitochondrial biogenesis in brown adipose tissue (BAT) in obese mice.
Methods
BAT was isolated from 7-week-old male Sprague-Dawley rats, and expression of proteins related to mitochondrial biogenesis was confirmed in both brown preadipocytes and mature brown adipocytes treated with DE. For the in vivo study, low-density lipoprotein receptor knock out mice were divided into three groups and treated for 17 weeks with: standard diet; high fat diet (HFD); HFD+DE. Body weight was measured every week, and oral glucose tolerance test was performed after DE treatment in streptozotocin-induced diabetic mice. To observe the changes in markers related to thermogenesis and adipogenesis in the BAT, white adipose tissue (WAT) and liver of experimental animals, tissues were removed and immediately frozen in liquid nitrogen.
Results
DE increased the expression of uncoupling protein 1 and peroxisome proliferator-activated receptor gamma coactivator 1-alpha in brown preadipocytes, and also promoted the brown adipocyte differentiation and mitochondrial function in the mature brown adipocytes. Reactive oxygen species production in brown preadipocytes was increased depending on the concentration of DE. DE activates thermogenesis in BAT and normalizes increased body weight and adipogenesis in the liver due to HFD. Browning of WAT was increased in WAT of DE treatment group.
Conclusion
DE protects against obesity and activates mitochondrial function in BAT.

Citations

Citations to this article as recorded by

Pharmacological Benefits and Underlying Mechanisms of Salvia miltiorrhiza against Molecular Pathology of Various Liver Diseases: A Review
Cho Hyun Hwang, Eungyeong Jang, Jang-Hoon Lee
The American Journal of Chinese Medicine.2023; 51(07): 1675. CrossRef

Endocrine Research
The Effects of High Fat Diet and Resveratrol on Mitochondrial Activity of Brown Adipocytes: Cheol Ryong Ku, Yoon Hee Cho, Zhen-Yu Hong, Ha Lee, Sue Ji Lee, Seung-soo Hong, Eun Jig Lee; Endocrinol Metab. 2016;31(2):328-335. Published online April 8, 2016; DOI: https://doi.org/10.3803/EnM.2016.31.2.328

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Abstract PDF PubReader

Background

Resveratrol (RSV) is a polyphenolic phytoalexin that has many effects on metabolic diseases such as diabetes and obesity. Given the importance of brown adipose tissue (BAT) for energy expenditure, we investigated the effects of RSV on brown adipocytes.

Methods

For the in vitro study, interscapular BAT was isolated from 7-week-old male Sprague Dawley rats. For the in vivo study, 7-week-old male Otsuka Long Evans Tokushima Fatty (OLETF) rats were divided into four groups and treated for 27 weeks with: standard diet (SD); SD+RSV (10 mg/kg body weight, daily); high fat diet (HFD); HFD+RSV. RSV was provided via oral gavage once daily during the in vivo experiments.

Results

RSV treatment of primary cultured brown preadipocytes promoted mitochondrial activity, along with over-expression of estrogen receptor α (ER-α). In OLETF rats, both HFD and RSV treatment increased the weight of BAT and the differentiation of BAT. However, only RSV increased the mitochondrial activity and ER-α expression of BAT in the HFD-fed group. Finally, RSV improved the insulin sensitivity of OLETF rats by increasing the mitochondrial activity of BAT, despite having no effects on white adipocytes and muscles in either diet group.

Conclusion

RSV could improve insulin resistance, which might be associated with mitochondrial activity of brown adipocyte. Further studies evaluating the activity of RSV for both the differentiation and mitochondrial activity of BAT could be helpful in investigating the effects of RSV on metabolic parameters.

Citations

Citations to this article as recorded by

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Yida Wang, Hang Qi
Food Reviews International.2024; 40(1): 20. CrossRef
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Food Science and Human Wellness.2024; 13(2): 597. CrossRef
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Jiaqi Zhao, Ailin Zhou, Wei Qi
International Journal of Molecular Sciences.2022; 23(4): 2299. CrossRef
Macrophage and Adipocyte Mitochondrial Dysfunction in Obesity-Induced Metabolic Diseases
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Activation of Brown Adipose Tissue and Promotion of White Adipose Tissue Browning by Plant-based Dietary Components in Rodents: A Systematic Review
Francisco J Osuna-Prieto, Borja Martinez-Tellez, Antonio Segura-Carretero, Jonatan R Ruiz
Advances in Nutrition.2021; 12(6): 2147. CrossRef
Role of Dietary Polyphenols in Adipose Tissue Browning: A Narrative Review
Juan Salazar, Clímaco Cano, José L. Pérez, Ana Castro, María P. Díaz, Bermary Garrido, Rubén Carrasquero, Maricarmen Chacín, Manuel Velasco, Luis D´Marco, Joselyn Rojas-Quintero, Valmore Bermúdez
Current Pharmaceutical Design.2020; 26(35): 4444. CrossRef
Brown and Brite: The Fat Soldiers in the Anti-obesity Fight
Shireesh Srivastava, Richard L. Veech
Frontiers in Physiology.2019;[Epub] CrossRef
Effect of resveratrol on adipokines and myokines involved in fat browning: Perspectives in healthy weight against obesity
Oh Yoen Kim, Ji Yeon Chung, Juhyun Song
Pharmacological Research.2019; 148: 104411. CrossRef
Ginsenoside Rb2 Alleviates Obesity by Activation of Brown Fat and Induction of Browning of White Fat
Yilian Hong, Yi Lin, Qiya Si, Lijuan Yang, Weisong Dong, Xuejiang Gu
Frontiers in Endocrinology.2019;[Epub] CrossRef
Programming of the Beige Phenotype in White Adipose Tissue of Adult Mice by Mild Resveratrol and Nicotinamide Riboside Supplementations in Early Postnatal Life
Alba Serrano, Madhu Asnani-Kishnani, Ana María Rodríguez, Andreu Palou, Joan Ribot, María Luisa Bonet
Molecular Nutrition & Food Research.2018;[Epub] CrossRef
Effects of Polyphenols on Thermogenesis and Mitochondrial Biogenesis
Tanila Wood dos Santos, Quélita Cristina Pereira, Lucimara Teixeira, Alessandra Gambero, Josep A. Villena, Marcelo Lima Ribeiro
International Journal of Molecular Sciences.2018; 19(9): 2757. CrossRef
Programming mediated by fatty acids affects uncoupling protein 1 (UCP-1) in brown adipose tissue
Perla P. Argentato, Helena de Cássia César, Débora Estadella, Luciana P. Pisani
British Journal of Nutrition.2018; 120(6): 619. CrossRef
Effects of Genistein on Differentiation and Viability of Human Visceral Adipocytes
Elena Grossini, Serena Farruggio, Giulia Raina, David Mary, Giacomo Deiro, Sergio Gentilli
Nutrients.2018; 10(8): 978. CrossRef
A comprehensive review of the health perspectives of resveratrol
Abdur Rauf, Muhammad Imran, Hafiz Ansar Rasul Suleria, Bashir Ahmad, Dennis G. Peters, Mohammad S. Mubarak
Food & Function.2017; 8(12): 4284. CrossRef
The Role of Circulating Slit2, the One of the Newly Batokines, in Human Diabetes Mellitus
Yea Eun Kang, Sorim Choung, Ju Hee Lee, Hyun Jin Kim, Bon Jeong Ku
Endocrinology and Metabolism.2017; 32(3): 383. CrossRef
A nutritional perspective on UCP1-dependent thermogenesis
M. Luisa Bonet, Josep Mercader, Andreu Palou
Biochimie.2017; 134: 99. CrossRef
The Beneficial Effects of Quercetin, Curcumin, and Resveratrol in Obesity
Yueshui Zhao, Bo Chen, Jing Shen, Lin Wan, Yinxin Zhu, Tao Yi, Zhangang Xiao
Oxidative Medicine and Cellular Longevity.2017; 2017: 1. CrossRef
Articles inEndocrinology and Metabolismin 2016
Won-Young Lee
Endocrinology and Metabolism.2017; 32(1): 62. CrossRef
Antiobesity effects of resveratrol: which tissues are involved?
Alfredo Fernández‐Quintela, Iñaki Milton‐Laskibar, Marcela González, Maria P. Portillo
Annals of the New York Academy of Sciences.2017; 1403(1): 118. CrossRef
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Haruki Imamura, Daiji Nagayama, Noriko Ishihara, Syo Tanaka, Rena Watanabe, Yasuhiro Watanabe, Yuta Sato, Takashi Yamaguchi, Noriko Ban, Hidetoshi Kawana, Masahiro Ohira, Kei Endo, Atsuhito Saiki, Kohji Shirai, Ichiro Tatsuno
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Resveratrol has dose-dependent effects on DNA fragmentation and mitochondrial activity of ovine secondary follicles cultured in vitro
T.J.S. Macedo, V.R.P. Barros, A.P.O. Monte, B.B. Gouveia, M.É.S. Bezerra, A.Y.P. Cavalcante, R.S. Barberino, V.G. Menezes, M.H.T. Matos
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Response: The Effects of High Fat Diet and Resveratrol on Mitochondrial Activity of Brown Adipocytes (Endocrinol Metab2016;31:328-35, Cheol Ryong Ku et al.)
Cheol Ryong Ku, Eun Jig Lee
Endocrinology and Metabolism.2016; 31(3): 482. CrossRef
Letter: The Effects of High Fat Diet and Resveratrol on Mitochondrial Activity of Brown Adipocytes (Endocrinol Metab2016;31:328-35, Cheol Ryong Ku et al.)
Ji-Young Cha
Endocrinology and Metabolism.2016; 31(3): 480. CrossRef

The Short-term Effects of Bone Marrow Transplantation on Bone Metabolism.: Soon Jib Yoo, Yoo Bae Ahn, Kun Ho Yoon, Moo Il Kang, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Ki Ho Song, Yoon Hee Choi, Bong Yeon Cha, Hye Soo Kim, Ki Won Oh, Sung Dae Moon, Sang Ah Jang, Chun Choo Kim; J Korean Endocr Soc. 1999;14(2):355-364. Published online January 1, 2001

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Abstract PDF: BACKGROUND
The organ transplantation becomes the management of choice for many patients with chronic and life threatening heart, liver, kidney, bone marrow, and pancreatic diseases. A new set of side effects unique to this groups of patients has become recognized. Bone disease is one of these complications. It is well known that there is an interplay between the cells in the bone marrow and the surrounding bone tissue. Marrow stromal cells include the progenitors of the osteoblastic lineage are the sources of effector molecules that support and regulate both hematopoiesis and bone remodeling. But little is known about the effects of myeloablative treatment followed by bone marrow transplantation(BMT) on bone metabolism. METHODS: We have investigated prospectively in 29 patients undergoing BMT(4 autologous, 25 allogenic) for hematologic diseases(19 leukemia, 9 severe aplastic anemia, 1 myelodyspoietic syndrome). Serum concentrations of calcium, phosphorus, creatinine, gonadotropins, sex hormones and biochemical markers of bone turnover(osteocalcin and carboxyterminal cross-linked telopeptide of type I collagen(ICTP)] were measured. The samples were collected before BMT and 1, 2, 3, 4, 12 weeks, 6 months and 1 year thereafter. Bone mineral density was measured with DEXA(Dual Energy X-ray Absorptiometry) before and after 1 year of BMT. RESULTS: 1. ICIP was progressively increased until 4 weeks after BMT when peak values were reached. And then decreased thereafter and basal values were regained after 1 year. Osteocalcin was progressively decreased until 3 weeks after BMT when nadir values were reached. And then increased thereafter and basal values were regained after 3 months. No distinct differences were observed in serum biochemical turnover marker between both sexes and between patients who received total body irradiation and those who did not. 2. Lumbar BMD was 2.1% decreased from 1.113 +/- 0.132 g/cm to 1.089 +/- 0.137 g/cm, and femoral BMD was 6.2% decreased fiom 1.078 +/- 0.156 g/cm to 1.011 +/- 0.157 g/cm. 3. 92% of the women (11/12) became menopausal manifested by high gonadotropin and low estradiol levels immediately after BMT. In contrast to women, gonadotropins and testosterone levels were not changed significantly in men after BMT. CONCLUSION: The rapid impairment of bone formation and also increase in bone resorption, as mirrored by the biochemical markers in this study, might play a role for the post-BMT bone loss. Further studies over many patients with a longer follow up will be needed.

Case Reports

A Case of Alstrom Syndrome.: Kun Ho Yoon, Ho Young Son, Sung Koo Kang, Yoon Hee Choi, Bong Yeon Cha, Hwan Suk Cho, Ki Bum Kim, Ji Ho Kang, Young Mi Choo, Sang Soo Bae; J Korean Endocr Soc. 1998;13(3):501-508. Published online January 1, 2001

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Abstract PDF: The Alstrom syndrome is inherited autosomal recessive disorder, characterized by obesity, diabetes mellitus, pigmentary retinal degeneration, normal intelligence, sensorineural hearing loss, baldness, acanthosis nigricans, male hypogonadism, hyperuricemia and hypertriglyceridemia. There is no reported case of Alstrom syndrome in Korea yet. We experienced a 29-year-old female patient with clinical characteristics similar to Alstrom syndrome who was admitted due to poorly controlled diabetes mellitus and diabetic retinopathy with hemorrhage. We report this case with the review of literatures.

A Case of Functioning Parathyroid Cancer with Hypokalemia.: Yoon Hee Choi; J Korean Endocr Soc. 1997;12(1):81-89. Published online January 1, 2001

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Abstract PDF: The parathyroid carcinoma is rare disorder and its reported incidence is 1-2% of primary hyperparathyroidism. Parathyroid cancer shows more profound clinical symptoms and signs than adenoma or hyperplasia: more severe renal and bony complications, higher calcium levels (>15 mg/dL) and palpable neck mass. It usually diagnosed after operation when it shows malignant pathologic findings, local invasion, distant metastasis, or even recurrence. The treatment is surgical resection. Hypokalemia is relatively common feature of primary hyperparathyroidism but it should be marked because of its arrhythmogenic effect when accompanies with hypercalcemia. We experienced a hyperfunctioning parathyroid carcinoma in 53 year old rnan confirmed postoperatively which showed hypokalemia normalized after operation.

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